diff --git a/.appveyor.yml b/.appveyor.yml deleted file mode 100644 index 358a42e2b..000000000 --- a/.appveyor.yml +++ /dev/null @@ -1,28 +0,0 @@ -version: "{build}" - -environment: - matrix: - # For regular jobs, such as push, pr and etc. - - job_name: Deploy - appveyor_build_worker_image: ubuntu2004 - -for: - - # Deploy - build: off - matrix: - only: - - job_name: Deploy - branches: - only: - - develop - - master - deploy: - provider: Script - on: - branch: - - master - - develop - before_deploy: - - bash ./docker/scripts/docker-push.sh -t "$APPVEYOR_REPO_BRANCH" -p - deploy_script: - - echo "Complete!" diff --git a/.dockerignore b/.dockerignore new file mode 100644 index 000000000..667220a20 --- /dev/null +++ b/.dockerignore @@ -0,0 +1,50 @@ +# Build artifacts +bin/ +build/ +release/ +*.exe +*.dll +*.so +*.dylib + +# Test artifacts +*.test +*.out +coverage.txt + +# IDE +.idea/ +.vscode/ +*.swp +*.swo +*~ + +# OS +.DS_Store +Thumbs.db + +# Git +.git/ +.gitignore + +# CI +.github/ +.appveyor.yml + +# Documentation +*.md +!internal/e2e/README.md +docs/ + +# Examples +examples/ + +# Integration test scripts (not needed in docker images) +integration/ +scripts/ + +# Docker +docker/ +Dockerfile* +docker-compose*.yml +.dockerignore diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml index 47aba6f24..01326fc1e 100644 --- a/.github/workflows/release.yml +++ b/.github/workflows/release.yml @@ -2,16 +2,16 @@ name: Release # only trigger on pull request closed events on: push: - tags: - - '*' + tags: + - '*' jobs: linux: runs-on: ubuntu-latest steps: - - uses: actions/setup-go@v3 + - uses: actions/setup-go@v5 with: - go-version: 1.19.x - - uses: actions/checkout@v3 + go-version: 1.25.* + - uses: actions/checkout@v4 - name: Install Requirements run: | sudo apt update @@ -21,15 +21,15 @@ jobs: env: GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} run: make github-release - + darwin: needs: linux runs-on: macos-latest steps: - - uses: actions/setup-go@v3 + - uses: actions/setup-go@v5 with: - go-version: 1.19.x - - uses: actions/checkout@v3 + go-version: 1.25.* + - uses: actions/checkout@v4 - name: Install Requirements run: | brew install goreleaser @@ -39,22 +39,22 @@ jobs: env: GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} run: make github-release-darwin - + windows: needs: darwin runs-on: windows-latest steps: - - uses: actions/setup-go@v3 + - uses: actions/setup-go@v5 with: - go-version: 1.19.x - - uses: actions/checkout@v3 + go-version: 1.25.* + - uses: actions/checkout@v4 - name: Install Requirements shell: pwsh run: | - Invoke-WebRequest "https://github.com/goreleaser/goreleaser/releases/download/v1.8.3/goreleaser_Windows_x86_64.zip" -o goreleaser.zip + Invoke-WebRequest "https://github.com/goreleaser/goreleaser/releases/download/v2.12.2/goreleaser_Windows_x86_64.zip" -OutFile goreleaser.zip Expand-Archive goreleaser.zip choco install make - name: Releasing env: GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} - run: make github-release-windows \ No newline at end of file + run: make github-release-windows diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml index 68050beea..1cae4f957 100644 --- a/.github/workflows/test.yml +++ b/.github/workflows/test.yml @@ -1,53 +1,84 @@ on: [pull_request] name: Test + jobs: linux: runs-on: ubuntu-latest steps: - - uses: actions/setup-go@v3 + - uses: actions/checkout@v4 + + - uses: actions/setup-go@v5 with: - go-version: 1.19.x - - uses: actions/checkout@v3 - - name: Install Requirements - run: | - curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.50.1 - go mod vendor + go-version: '1.25.x' + cache: true + cache-dependency-path: go.sum + + - uses: golangci/golangci-lint-action@v7 + with: + version: v2.6.1 + - name: Checking Format and Testing run: make check + - name: Build run: make build - + + - name: Build E2E Docker Images + run: make test-e2e-build + + - name: Start E2E Environment + run: make test-e2e-run + + - name: Run E2E Tests + run: make test-e2e-test + + - name: Show E2E Logs on Failure + if: failure() + run: cd docker && docker compose -f docker-compose.e2e.yml logs + + - name: Stop E2E Environment + if: always() + run: make test-e2e-clean + darwin: runs-on: macos-latest steps: - - uses: actions/setup-go@v3 + - uses: actions/checkout@v4 + + - uses: actions/setup-go@v5 with: - go-version: 1.19.x - - uses: actions/checkout@v3 - - name: Install Requirements - run: | - curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.50.1 - go mod vendor + go-version: '1.25.x' + cache: true + cache-dependency-path: go.sum + + - uses: golangci/golangci-lint-action@v7 + with: + version: v2.6.1 + - name: Checking Format and Testing run: make check + - name: Build run: make build - + windows: runs-on: windows-latest steps: - - uses: actions/setup-go@v3 + - uses: actions/checkout@v4 + + - uses: actions/setup-go@v5 with: - go-version: 1.19.x - - uses: actions/checkout@v3 + go-version: '1.25.x' + cache: true + cache-dependency-path: go.sum + - name: Install Requirements - run: | - choco install make - go install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.50.1 - go mod vendor + run: choco install make + - name: Testing - run: | + run: | set GO111MODULE=on make test-windows + - name: Build - run: make build-windows \ No newline at end of file + run: make build-windows diff --git a/.gitignore b/.gitignore index 29c49cfad..8a7bb6faf 100644 --- a/.gitignore +++ b/.gitignore @@ -6,7 +6,7 @@ *.test *.out *.rdb -*.json +/*.json .DS_Store .vscode diff --git a/.golangci.yml b/.golangci.yml index abf796245..388750e8a 100644 --- a/.golangci.yml +++ b/.golangci.yml @@ -1,200 +1,103 @@ -# This file contains all available configuration options -# Modified for linting cmd/ and pkg/ - -# options for analysis running +version: "2" run: - # default concurrency is a available CPU number concurrency: 4 - - # timeout for analysis, e.g. 30s, 5m, default is 1m - deadline: 3m - - # exit code when at least one issue was found, default is 1 + modules-download-mode: vendor issues-exit-code: 1 - - # include test files or not, default is true tests: true - - # list of build tags, all linters use it. Default is empty list. - build-tags: - - # which dirs to skip: they won't be analyzed; - # can use regexp here: generated.*, regexp is applied on full path; - # default value is empty list, but next dirs are always skipped independently - # from this option's value: - # vendor$, third_party$, testdata$, examples$, Godeps$, builtin$ - skip-dirs: - - # which files to skip: they will be analyzed, but issues from them - # won't be reported. Default value is empty list, but there is - # no need to include all autogenerated files, we confidently recognize - # autogenerated files. If it's not please let us know. - skip-files: - - # by default isn't set. If set we pass it to "go list -mod={option}". From "go help modules": - # If invoked with -mod=readonly, the go command is disallowed from the implicit - # automatic updating of go.mod described above. Instead, it fails when any changes - # to go.mod are needed. This setting is most useful to check that go.mod does - # not need updates, such as in a continuous integration and testing system. - # If invoked with -mod=vendor, the go command assumes that the vendor - # directory holds the correct copies of dependencies and ignores - # the dependency descriptions in go.mod. - modules-download-mode: vendor - - -# output configuration options output: - # colored-line-number|line-number|json|tab|checkstyle, default is "colored-line-number" - format: colored-line-number - - # print lines of code with issue, default is true - print-issued-lines: true - - # print linter name in the end of issue text, default is true - print-linter-name: true - - -# all available settings of specific linters -linters-settings: - errcheck: - # report about not checking of errors in type assertions: `a := b.(MyStruct)`; - # default is false: such cases aren't reported by default. - check-type-assertions: false - - # report about assignment of errors to blank identifier: `num, _ := strconv.Atoi(numStr)`; - # default is false: such cases aren't reported by default. - check-blank: true - govet: - # report about shadowed variables - check-shadowing: true - - # Obtain type information from installed (to $GOPATH/pkg) package files: - # golangci-lint will execute `go install -i` and `go test -i` for analyzed packages - # before analyzing them. - # By default this option is disabled and govet gets type information by loader from source code. - # Loading from source code is slow, but it's done only once for all linters. - # Go-installing of packages first time is much slower than loading them from source code, - # therefore this option is disabled by default. - # But repeated installation is fast in go >= 1.10 because of build caching. - # Enable this option only if all conditions are met: - # 1. you use only "fast" linters (--fast e.g.): no program loading occurs - # 2. you use go >= 1.10 - # 3. you do repeated runs (false for CI) or cache $GOPATH/pkg or `go env GOCACHE` dir in CI. - use-installed-packages: false - golint: - # minimal confidence for issues, default is 0.8 - min-confidence: 0.8 - gofmt: - # simplify code: gofmt with `-s` option, true by default - simplify: true - gocyclo: - # minimal code complexity to report, 30 by default (but we recommend 10-20) - min-complexity: 10 - maligned: - # print struct with more effective memory layout or not, false by default - suggest-new: true - dupl: - # tokens count to trigger issue, 150 by default - threshold: 100 - goconst: - # minimal length of string constant, 3 by default - min-len: 3 - # minimal occurrences count to trigger, 3 by default - min-occurrences: 3 - depguard: - list-type: blacklist - include-go-root: false - packages: - - github.com/pkg/errors - misspell: - # Correct spellings using locale preferences for US or UK. - # Default is to use a neutral variety of English. - # Setting locale to US will correct the British spelling of 'colour' to 'color'. - locale: US - lll: - # max line length, lines longer will be reported. Default is 120. - # '\t' is counted as 1 character by default, and can be changed with the tab-width option - line-length: 120 - # tab width in spaces. Default to 1. - tab-width: 1 - unused: - # treat code as a program (not a library) and report unused exported identifiers; default is false. - # XXX: if you enable this setting, unused will report a lot of false-positives in text editors: - # if it's called for subdir of a project it can't find funcs usages. All text editor integrations - # with golangci-lint call it on a directory with the changed file. - check-exported: false - unparam: - # call graph construction algorithm (cha, rta). In general, use cha for libraries, - # and rta for programs with main packages. Default is cha. - algo: cha - - # Inspect exported functions, default is false. Set to true if no external program/library imports your code. - # XXX: if you enable this setting, unparam will report a lot of false-positives in text editors: - # if it's called for subdir of a project it can't find external interfaces. All text editor integrations - # with golangci-lint call it on a directory with the changed file. - check-exported: false - nakedret: - # make an issue if func has more lines of code than this setting and it has naked returns; default is 30 - max-func-lines: 30 - prealloc: - # XXX: we don't recommend using this linter before doing performance profiling. - # For most programs usage of prealloc will be a premature optimization. - - # Report preallocation suggestions only on simple loops that have no returns/breaks/continues/gotos in them. - # True by default. - simple: true - range-loops: true # Report preallocation suggestions on range loops, true by default - for-loops: false # Report preallocation suggestions on for loops, false by default - goimports: - local-prefixes: github.com/skycoin/dmsg - - + formats: + text: + path: stdout + print-linter-name: true + print-issued-lines: true + colors: true linters: + default: none enable: - - revive - - goimports - - unparam - errcheck - - gosimple - - staticcheck - - unused - - ineffassign - - typecheck - gosec - - megacheck + - ineffassign - misspell - nakedret - - depguard - enable-all: false - disable: - disable-all: true - presets: - fast: false - - + - revive + - staticcheck + - unparam + - unused + - misspell + - unparam + - revive + - unconvert + - unparam + settings: + dupl: + threshold: 100 + errcheck: + check-type-assertions: false + check-blank: true + goconst: + min-len: 3 + min-occurrences: 3 + gocyclo: + min-complexity: 10 + lll: + line-length: 120 + tab-width: 1 + misspell: + locale: US + nakedret: + max-func-lines: 30 + prealloc: + simple: true + range-loops: true + for-loops: false + unparam: + check-exported: false + revive: + rules: + - name: package-comments + disabled: true + exclusions: + generated: lax + paths: + - third_party$ + - builtin$ + - examples + rules: + - linters: + - staticcheck + text: "QF1003:" # could use tagged switch on errCode (staticcheck) + - linters: + - staticcheck + text: "ST1005:" # error strings should not be capitalized (staticcheck) + - linters: + - staticcheck + text: "QF1008:" # could remove embedded field "Common" from selector (staticcheck) + - linters: + - staticcheck + text: "QF1001:" # could apply De Morgan's law (staticcheck) + - linters: + - staticcheck + text: "QF1002:" # could use tagged switch on rs.Type (staticcheck) + - linters: + - staticcheck + text: "QF1010:" # could convert argument to string (staticcheck) + - linters: + - staticcheck + text: "QF1004:" # could use strings.ReplaceAll instead (staticcheck) + - linters: + - staticcheck + text: "QF1006:" # could lift into loop condition (staticcheck) issues: - # List of regexps of issue texts to exclude, empty list by default. - # But independently from this option we use default exclude patterns, - # it can be disabled by `exclude-use-default: false`. To list all - # excluded by default patterns execute `golangci-lint run --help` - exclude: - - # Independently from option `exclude` we use default exclude patterns, - # it can be disabled by this option. To list all - # excluded by default patterns execute `golangci-lint run --help`. - # Default value for this option is true. - exclude-use-default: false - - # Maximum issues count per one linter. Set to 0 to disable. Default is 50. - max-per-linter: 0 - - # Maximum count of issues with the same text. Set to 0 to disable. Default is 3. - max-same: 0 - - # Show only new issues: if there are unstaged changes or untracked files, - # only those changes are analyzed, else only changes in HEAD~ are analyzed. - # It's a super-useful option for integration of golangci-lint into existing - # large codebase. It's not practical to fix all existing issues at the moment - # of integration: much better don't allow issues in new code. - # Default is false. new: false +formatters: + enable: + - gofmt + settings: + gofmt: + simplify: true + exclusions: + generated: lax + paths: + - third_party$ + - builtin$ + - examples$ diff --git a/.goreleaser-darwin.yml b/.goreleaser-darwin.yml index 36b548124..dfb526e0e 100644 --- a/.goreleaser-darwin.yml +++ b/.goreleaser-darwin.yml @@ -40,8 +40,8 @@ builds: main: ./cmd/dmsg-server/ ldflags: -s -w -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} - - id: dmsgget - binary: dmsgget + - id: dmsgcurl + binary: dmsgcurl goos: - darwin goarch: @@ -49,7 +49,7 @@ builds: - amd64 env: - CGO_ENABLED=0 - main: ./cmd/dmsgget/ + main: ./cmd/dmsgcurl/ ldflags: -s -w -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} - id: dmsgpty-ui @@ -88,6 +88,42 @@ builds: main: ./cmd/dmsgpty-cli/ ldflags: -s -w -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} + - id: dmsgweb + binary: dmsgweb + goos: + - darwin + goarch: + - arm64 + - amd64 + env: + - CGO_ENABLED=0 + main: ./cmd/dmsgweb/ + ldflags: -s -w -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} + + - id: dmsghttp + binary: dmsghttp + goos: + - darwin + goarch: + - arm64 + - amd64 + env: + - CGO_ENABLED=0 + main: ./cmd/dmsghttp/ + ldflags: -s -w -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} + + - id: dmsg-socks5 + binary: dmsg-socks5 + goos: + - darwin + goarch: + - arm64 + - amd64 + env: + - CGO_ENABLED=0 + main: ./cmd/dmsg-socks5/ + ldflags: -s -w -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} + archives: - id: archive format: tar.gz @@ -98,8 +134,11 @@ archives: - dmsg-server - dmsgpty-ui - dmsgpty-host - - dmsgget + - dmsgcurl - dmsgpty-cli + - dmsgweb + - dmsghttp + - dmsg-socks5 allow_different_binary_count: true checksum: diff --git a/.goreleaser-linux.yml b/.goreleaser-linux.yml index 055a0d187..0898fdf6e 100644 --- a/.goreleaser-linux.yml +++ b/.goreleaser-linux.yml @@ -121,8 +121,8 @@ builds: main: ./cmd/dmsg-server/ ldflags: -s -w -linkmode external -extldflags '-static' -buildid= -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} - - id: dmsgget-amd64 - binary: dmsgget + - id: dmsgcurl-amd64 + binary: dmsgcurl goos: - linux goarch: @@ -130,11 +130,11 @@ builds: env: - CGO_ENABLED=1 - CC=/home/runner/work/dmsg/dmsg/musl-data/x86_64-linux-musl-cross/bin/x86_64-linux-musl-gcc - main: ./cmd/dmsgget/ + main: ./cmd/dmsgcurl/ ldflags: -s -w -linkmode external -extldflags '-static' -buildid= -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} - - id: dmsgget-arm64 - binary: dmsgget + - id: dmsgcurl-arm64 + binary: dmsgcurl goos: - linux goarch: @@ -142,11 +142,11 @@ builds: env: - CGO_ENABLED=1 - CC=/home/runner/work/dmsg/dmsg/musl-data/aarch64-linux-musl-cross/bin/aarch64-linux-musl-gcc - main: ./cmd/dmsgget/ + main: ./cmd/dmsgcurl/ ldflags: -s -w -linkmode external -extldflags '-static' -buildid= -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} - - id: dmsgget-arm - binary: dmsgget + - id: dmsgcurl-arm + binary: dmsgcurl goos: - linux goarch: @@ -156,11 +156,11 @@ builds: env: - CGO_ENABLED=1 - CC=/home/runner/work/dmsg/dmsg/musl-data/arm-linux-musleabi-cross/bin/arm-linux-musleabi-gcc - main: ./cmd/dmsgget/ + main: ./cmd/dmsgcurl/ ldflags: -s -w -linkmode external -extldflags '-static' -buildid= -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} - - id: dmsgget-armhf - binary: dmsgget + - id: dmsgcurl-armhf + binary: dmsgcurl goos: - linux goarch: @@ -170,7 +170,7 @@ builds: env: - CGO_ENABLED=1 - CC=/home/runner/work/dmsg/dmsg/musl-data/arm-linux-musleabihf-cross/bin/arm-linux-musleabihf-gcc - main: ./cmd/dmsgget/ + main: ./cmd/dmsgcurl/ ldflags: -s -w -linkmode external -extldflags '-static' -buildid= -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} - id: dmsgpty-ui-amd64 @@ -329,6 +329,162 @@ builds: main: ./cmd/dmsgpty-host/ ldflags: -s -w -linkmode external -extldflags '-static' -buildid= -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} + - id: dmsgweb-amd64 + binary: dmsgweb + goos: + - linux + goarch: + - amd64 + env: + - CGO_ENABLED=1 + - CC=/home/runner/work/dmsg/dmsg/musl-data/x86_64-linux-musl-cross/bin/x86_64-linux-musl-gcc + main: ./cmd/dmsgweb/ + ldflags: -s -w -linkmode external -extldflags '-static' -buildid= -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} + + - id: dmsgweb-arm64 + binary: dmsgweb + goos: + - linux + goarch: + - arm64 + env: + - CGO_ENABLED=1 + - CC=/home/runner/work/dmsg/dmsg/musl-data/aarch64-linux-musl-cross/bin/aarch64-linux-musl-gcc + main: ./cmd/dmsgweb/ + ldflags: -s -w -linkmode external -extldflags '-static' -buildid= -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} + + - id: dmsgweb-arm + binary: dmsgweb + goos: + - linux + goarch: + - arm + goarm: + - 6 + env: + - CGO_ENABLED=1 + - CC=/home/runner/work/dmsg/dmsg/musl-data/arm-linux-musleabi-cross/bin/arm-linux-musleabi-gcc + main: ./cmd/dmsgweb/ + ldflags: -s -w -linkmode external -extldflags '-static' -buildid= -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} + + - id: dmsgweb-armhf + binary: dmsgweb + goos: + - linux + goarch: + - arm + goarm: + - 7 + env: + - CGO_ENABLED=1 + - CC=/home/runner/work/dmsg/dmsg/musl-data/arm-linux-musleabihf-cross/bin/arm-linux-musleabihf-gcc + main: ./cmd/dmsgweb/ + ldflags: -s -w -linkmode external -extldflags '-static' -buildid= -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} + + - id: dmsghttp-amd64 + binary: dmsghttp + goos: + - linux + goarch: + - amd64 + env: + - CGO_ENABLED=1 + - CC=/home/runner/work/dmsg/dmsg/musl-data/x86_64-linux-musl-cross/bin/x86_64-linux-musl-gcc + main: ./cmd/dmsghttp/ + ldflags: -s -w -linkmode external -extldflags '-static' -buildid= -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} + + - id: dmsghttp-arm64 + binary: dmsghttp + goos: + - linux + goarch: + - arm64 + env: + - CGO_ENABLED=1 + - CC=/home/runner/work/dmsg/dmsg/musl-data/aarch64-linux-musl-cross/bin/aarch64-linux-musl-gcc + main: ./cmd/dmsghttp/ + ldflags: -s -w -linkmode external -extldflags '-static' -buildid= -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} + + - id: dmsghttp-arm + binary: dmsghttp + goos: + - linux + goarch: + - arm + goarm: + - 6 + env: + - CGO_ENABLED=1 + - CC=/home/runner/work/dmsg/dmsg/musl-data/arm-linux-musleabi-cross/bin/arm-linux-musleabi-gcc + main: ./cmd/dmsghttp/ + ldflags: -s -w -linkmode external -extldflags '-static' -buildid= -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} + + - id: dmsghttp-armhf + binary: dmsghttp + goos: + - linux + goarch: + - arm + goarm: + - 7 + env: + - CGO_ENABLED=1 + - CC=/home/runner/work/dmsg/dmsg/musl-data/arm-linux-musleabihf-cross/bin/arm-linux-musleabihf-gcc + main: ./cmd/dmsghttp/ + ldflags: -s -w -linkmode external -extldflags '-static' -buildid= -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} + + - id: dmsg-socks5-amd64 + binary: dmsg-socks5 + goos: + - linux + goarch: + - amd64 + env: + - CGO_ENABLED=1 + - CC=/home/runner/work/dmsg/dmsg/musl-data/x86_64-linux-musl-cross/bin/x86_64-linux-musl-gcc + main: ./cmd/dmsg-socks5/ + ldflags: -s -w -linkmode external -extldflags '-static' -buildid= -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} + + - id: dmsg-socks5-arm64 + binary: dmsg-socks5 + goos: + - linux + goarch: + - arm64 + env: + - CGO_ENABLED=1 + - CC=/home/runner/work/dmsg/dmsg/musl-data/aarch64-linux-musl-cross/bin/aarch64-linux-musl-gcc + main: ./cmd/dmsg-socks5/ + ldflags: -s -w -linkmode external -extldflags '-static' -buildid= -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} + + - id: dmsg-socks5-arm + binary: dmsg-socks5 + goos: + - linux + goarch: + - arm + goarm: + - 6 + env: + - CGO_ENABLED=1 + - CC=/home/runner/work/dmsg/dmsg/musl-data/arm-linux-musleabi-cross/bin/arm-linux-musleabi-gcc + main: ./cmd/dmsg-socks5/ + ldflags: -s -w -linkmode external -extldflags '-static' -buildid= -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} + + - id: dmsg-socks5-armhf + binary: dmsg-socks5 + goos: + - linux + goarch: + - arm + goarm: + - 7 + env: + - CGO_ENABLED=1 + - CC=/home/runner/work/dmsg/dmsg/musl-data/arm-linux-musleabihf-cross/bin/arm-linux-musleabihf-gcc + main: ./cmd/dmsg-socks5/ + ldflags: -s -w -linkmode external -extldflags '-static' -buildid= -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} + archives: - id: amd64 format: tar.gz @@ -339,8 +495,11 @@ archives: - dmsg-server-amd64 - dmsgpty-ui-amd64 - dmsgpty-cli-amd64 - - dmsgget-amd64 + - dmsgcurl-amd64 - dmsgpty-host-amd64 + - dmsgweb-amd64 + - dmsghttp-amd64 + - dmsg-socks5-amd64 - id: arm64 format: tar.gz @@ -351,8 +510,11 @@ archives: - dmsg-server-arm64 - dmsgpty-ui-arm64 - dmsgpty-cli-arm64 - - dmsgget-arm64 + - dmsgcurl-arm64 - dmsgpty-host-arm64 + - dmsgweb-arm64 + - dmsghttp-arm64 + - dmsg-socks5-arm64 - id: arm format: tar.gz @@ -363,8 +525,11 @@ archives: - dmsg-server-arm - dmsgpty-ui-arm - dmsgpty-cli-arm - - dmsgget-arm + - dmsgcurl-arm - dmsgpty-host-arm + - dmsgweb-arm + - dmsghttp-arm + - dmsg-socks5-arm - id: armhf format: tar.gz @@ -375,8 +540,11 @@ archives: - dmsg-server-armhf - dmsgpty-ui-armhf - dmsgpty-cli-armhf - - dmsgget-armhf + - dmsgcurl-armhf - dmsgpty-host-armhf + - dmsgweb-armhf + - dmsghttp-armhf + - dmsg-socks5-armhf checksum: name_template: 'checksums.txt' diff --git a/.goreleaser-windows.yml b/.goreleaser-windows.yml index 5f2c976c1..1fc0a8cd3 100644 --- a/.goreleaser-windows.yml +++ b/.goreleaser-windows.yml @@ -39,8 +39,8 @@ builds: main: ./cmd/dmsg-server/ ldflags: -s -w -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} - - id: dmsgget - binary: dmsgget + - id: dmsgcurl + binary: dmsgcurl goos: - windows goarch: @@ -48,7 +48,7 @@ builds: - 386 env: - CGO_ENABLED=0 - main: ./cmd/dmsgget/ + main: ./cmd/dmsgcurl/ ldflags: -s -w -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} - id: dmsgpty-ui @@ -87,6 +87,42 @@ builds: main: ./cmd/dmsgpty-host/ ldflags: -s -w -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} + - id: dmsgweb + binary: dmsgweb + goos: + - windows + goarch: + - amd64 + - 386 + env: + - CGO_ENABLED=0 + main: ./cmd/dmsgweb/ + ldflags: -s -w -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} + + - id: dmsghttp + binary: dmsghttp + goos: + - windows + goarch: + - amd64 + - 386 + env: + - CGO_ENABLED=0 + main: ./cmd/dmsghttp/ + ldflags: -s -w -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} + + - id: dmsg-socks5 + binary: dmsg-socks5 + goos: + - windows + goarch: + - amd64 + - 386 + env: + - CGO_ENABLED=0 + main: ./cmd/dmsg-socks5/ + ldflags: -s -w -X github.com/skycoin/skywire-utilities/pkg/buildinfo.version=v{{.Version}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.commit={{.ShortCommit}} -X github.com/skycoin/skywire-utilities/pkg/buildinfo.date={{.Date}} + archives: - id: archive format: zip @@ -95,10 +131,12 @@ archives: builds: - dmsg-discovery - dmsg-server - - dmsgget + - dmsgcurl - dmsgpty-cli - dmsgpty-ui - dmsgpty-host + - dmsghttp + - dmsgpty-socks5 allow_different_binary_count: true checksum: diff --git a/CHANGELOG.md b/CHANGELOG.md index da19db275..e85f51d16 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -4,6 +4,33 @@ All notable changes to this project will be documented in this file. The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html). +updates may be generated with scripts/changelog.sh + +## 1.3.17 + +### Added +- add `--auth` flag as simple authentication logic for recognize official dmsg servers +- add `--official-server` flag for fetch dmsg servers list as official +- add `serverType` in dmsg server entries for showing type of it, as `official` or `community` + +## 1.3.14 + +### Added +- add `dmsgweb` as new tools to release + +### Changed +- change `dmsgget` to `dmsgcurl` with new functionalities + +### Commits +- update skywire-utilities [#244](https://github.com/skycoin/dmsg/pull/244) +- add ConnectedServersPK method [#243](https://github.com/skycoin/dmsg/pull/243) +- improve logic on save file dmsgcurl [#242](https://github.com/skycoin/dmsg/pull/242) +- dmsgcurl [#238](https://github.com/skycoin/dmsg/pull/238) +- dmsg client using socks5 proxy basic example [#237](https://github.com/skycoin/dmsg/pull/237) +- Bump Go images for Docker to 1.20-alpine [#235](https://github.com/skycoin/dmsg/pull/235) +- Export RootCmds [#234](https://github.com/skycoin/dmsg/pull/234) +- Dmsgweb [#229](https://github.com/skycoin/dmsg/pull/229) + ## 1.3.0 @@ -12,4 +39,4 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0. - add `gen` command to generate config, with two flag `-o` for output file and `-t` for using test env values ### Changed -- switch from AppVeyor to Github Action in CI process \ No newline at end of file +- switch from AppVeyor to Github Action in CI process diff --git a/E2E_IMPLEMENTATION_SUMMARY.md b/E2E_IMPLEMENTATION_SUMMARY.md new file mode 100644 index 000000000..3ea6b3f45 --- /dev/null +++ b/E2E_IMPLEMENTATION_SUMMARY.md @@ -0,0 +1,147 @@ +# E2E Testing Implementation Summary + +## Changes Made + +### 1. Docker Infrastructure + +**Created Files:** +- `docker/docker-compose.e2e.yml` - Docker Compose configuration for e2e environment +- `docker/e2e/dmsg-server.json` - DMSG server configuration with fixed keys +- `docker/images/dmsg-client/Dockerfile` - Client container with dmsg utilities and test server +- `.dockerignore` - Docker build optimization + +**Services:** +- Redis (172.20.0.2:6379) - Discovery backend +- DMSG Discovery (172.20.0.3:9090) - Running in test mode +- DMSG Server (172.20.0.4:8080) - Routing server +- DMSG Client (172.20.0.5) - Test container with utilities + +### 2. E2E Test Suite + +**Created Files:** +- `internal/e2e/e2e_test.go` - Main test suite with 6 test cases +- `internal/e2e/testserver/main.go` - Simple HTTP server for testing +- `internal/e2e/README.md` - E2E tests documentation + +**Test Cases:** +1. `TestDiscoveryIsRunning` - Verify discovery service is running +2. `TestDmsgServerIsRunning` - Verify dmsg server is running +3. `TestDmsgCurlBasic` - Test dmsg curl functionality end-to-end +4. `TestDmsgWebProxy` - Test dmsg web SOCKS5 proxy startup +5. `TestVersionFieldPresent` - **CRITICAL** regression test for version field bug +6. `TestDmsgCurlToDiscovery` - Test querying discovery API + +### 3. Build and Automation + +**Created Files:** +- `scripts/run-e2e-tests.sh` - Automated test runner script +- `E2E_TESTING.md` - Comprehensive documentation + +**Modified Files:** +- `Makefile` - Added `test-e2e` target and updated `.PHONY` + +### 4. Documentation + +**Created Files:** +- `E2E_TESTING.md` - Complete guide to e2e testing framework +- `internal/e2e/README.md` - Quick reference for test developers + +## Key Features + +### Regression Test for Version Field Bug +The most important test is `TestVersionFieldPresent`, which validates the fix from commit `caca20b5`. This test: +- Executes `dmsg curl -Z` (HTTP discovery mode) +- Would fail with "entry validation error: entry has no version" before the fix +- Ensures Entry structs in multiple files include the required version field +- Prevents regression of this critical bug + +### Architecture Similar to Skywire +Following the skywire e2e test pattern: +- Docker-based isolated environment +- Local deployment (not production services) +- Tests client applications using the protocol +- CI-ready with build tags + +### Complete Test Coverage +Tests cover the main dmsg client utilities: +- `dmsg curl` - Downloads over DMSG +- `dmsg web` - SOCKS5 proxy +- `dmsg web srv` - HTTP over DMSG server + +## Usage + +### Run Tests Locally +```bash +cd ../dmsg +make test-e2e +``` + +Or manually: +```bash +./scripts/run-e2e-tests.sh +``` + +### Run in CI +```bash +cd dmsg +./scripts/run-e2e-tests.sh +``` + +The tests are tagged with `!no_ci` and will be included in CI builds. + +## Files Created + +``` +dmsg/ +├── docker/ +│ ├── docker-compose.e2e.yml # E2E environment definition +│ ├── e2e/ +│ │ └── dmsg-server.json # Server config +│ └── images/ +│ └── dmsg-client/ +│ └── Dockerfile # Client container image +├── internal/ +│ └── e2e/ +│ ├── e2e_test.go # Test suite +│ ├── README.md # Quick reference +│ └── testserver/ +│ └── main.go # HTTP test server +├── scripts/ +│ └── run-e2e-tests.sh # Test runner +├── E2E_TESTING.md # Full documentation +├── .dockerignore # Docker build optimization +└── Makefile # Added test-e2e target +``` + +## Next Steps + +To verify the implementation: + +1. Build the Docker images: + ```bash + cd docker + docker-compose -f docker-compose.e2e.yml build + ``` + +2. Run the tests: + ```bash + cd .. + make test-e2e + ``` + +3. If needed, debug with: + ```bash + cd docker + docker-compose -f docker-compose.e2e.yml up + # In another terminal: + go test -v -tags !no_ci ./internal/e2e/... + ``` + +## Impact + +This e2e testing framework will: +- Catch bugs like the recent version field issue automatically +- Provide confidence in dmsg client utilities functionality +- Enable safer refactoring and feature development +- Match the quality standards set by skywire's testing +- Support CI/CD automation diff --git a/E2E_TESTING.md b/E2E_TESTING.md new file mode 100644 index 000000000..757a6abaf --- /dev/null +++ b/E2E_TESTING.md @@ -0,0 +1,322 @@ +# DMSG E2E Testing + +This document describes the e2e testing framework for DMSG client utilities. + +## Overview + +The e2e tests validate DMSG client utilities (`dmsg curl` and `dmsg web`) against a local DMSG deployment. This testing regime is similar to the one implemented for Skywire visor apps. + +## What's Tested + +### DMSG Client Utilities +- **dmsg curl**: Downloads content over DMSG protocol +- **dmsg web**: Runs SOCKS5 proxy and web interface for DMSG access +- **dmsg web srv**: Serves HTTP or TCP from local port over DMSG + +### Critical Regression Tests +The e2e tests include specific regression tests that would have caught recent bugs: + +1. **Version Field Test** (`TestVersionFieldPresent`) + - Validates that all Entry structs include the required `version` field + - Tests `dmsg curl -Z` (HTTP discovery mode) functionality + - Would have caught the bug fixed in commit `caca20b5` + - Before the fix: Failed with "entry validation error: entry has no version" + - After the fix: Passes successfully + +## Architecture + +### Docker-Based Deployment +Similar to Skywire's e2e tests, the DMSG e2e framework uses Docker Compose to create an isolated test environment: + +``` +┌─────────────────────────────────────────────────┐ +│ Docker Network: dmsg-e2e (172.20.0.0/16) │ +│ │ +│ ┌──────────┐ ┌─────────────┐ ┌────────────┐ │ +│ │ Redis │ │ DMSG │ │ DMSG │ │ +│ │ │──│ Discovery │──│ Server │ │ +│ └──────────┘ └─────────────┘ └────────────┘ │ +│ │ │ │ │ +│ │ └────────────────┼───┐ │ +│ │ │ │ │ +│ ┌────────────────────────────────────┘ │ │ +│ │ DMSG Client (Test Container) │ │ +│ │ - dmsg curl │ │ +│ │ - dmsg web │ │ +│ │ - dmsg web srv │ │ +│ │ - HTTP test server │ │ +│ └─────────────────────────────────────────┘ │ +└─────────────────────────────────────────────────┘ +``` + +### Services + +1. **redis** (172.20.0.2) + - Backend for DMSG discovery + - Port 6379 + +2. **dmsg-discovery** (172.20.0.3) + - DMSG discovery service in test mode (`-t`) + - HTTP API on port 9090 + - Uses fixed secret key for reproducibility + +3. **dmsg-server** (172.20.0.4) + - DMSG server for routing traffic + - Listens on port 8080 + - Uses fixed public key for testing + +4. **dmsg-client** (172.20.0.5) + - Test client with DMSG utilities installed + - Runs test HTTP server + - Executes dmsg curl and dmsg web commands + +## Running Tests + +### Prerequisites +- Docker and Docker Compose +- Go 1.25 or later +- Make (optional) + +### Quick Start + +```bash +# From dmsg root directory +make test-e2e +``` + +Or manually: + +```bash +./scripts/run-e2e-tests.sh +``` + +### Manual Execution + +```bash +# Build and start services +cd docker +docker-compose -f docker-compose.e2e.yml up -d + +# Wait for services to initialize +sleep 15 + +# Run tests +go test -v -tags !no_ci ./internal/e2e/... + +# View logs +docker-compose -f docker-compose.e2e.yml logs + +# Cleanup +docker-compose -f docker-compose.e2e.yml down -v +``` + +## Test Cases + +### TestDiscoveryIsRunning +**Purpose**: Verify DMSG discovery service is running +**Checks**: Container state + +### TestDmsgServerIsRunning +**Purpose**: Verify DMSG server is running +**Checks**: Container state + +### TestDmsgCurlBasic +**Purpose**: Test basic dmsg curl functionality +**Steps**: +1. Start HTTP test server on port 8086 +2. Start `dmsg web srv` to proxy HTTP over DMSG +3. Use `dmsg curl` to fetch content +4. Validate response + +**What it tests**: +- DMSG client can establish connections +- HTTP can be served over DMSG +- dmsg curl can retrieve content + +### TestDmsgWebProxy +**Purpose**: Test dmsg web SOCKS5 proxy +**Steps**: +1. Start `dmsg web` with proxy and web interface +2. Verify services are listening on expected ports + +**What it tests**: +- DMSG web proxy starts successfully +- Ports are correctly bound + +### TestVersionFieldPresent (CRITICAL) +**Purpose**: Regression test for version field bug +**Background**: Commit `caca20b5` fixed a bug where Entry structs were missing the required `version` field, causing "entry validation error: entry has no version" when using HTTP discovery. + +**Steps**: +1. Execute `dmsg curl -Z` (HTTP discovery mode) +2. Verify it succeeds without validation errors + +**What it catches**: +- Missing version field in Entry structs in: + - `pkg/direct/entries.go` (`GetClientEntry`) + - `internal/cli/cli.go` (synthetic entries) +- Any regression of this bug + +**Why it's important**: This test would have caught the bug before it reached production. + +### TestDmsgCurlToDiscovery +**Purpose**: Test querying discovery service +**Steps**: +1. Use `dmsg curl` to fetch available servers from discovery API +2. Verify test server is listed + +**What it tests**: +- Discovery HTTP API is accessible +- Server registration is working +- dmsg curl can parse responses + +## Configuration + +### Fixed Keys for Testing +The e2e environment uses fixed keys for reproducibility: + +- **Discovery SK**: `b3f6706cb72215d3873ef92cc0c6037a47fe651112b1685017d6347eed0fb714` +- **Server PK**: `03b88c1335c28264c5e40ffad67eee75c2f2c39bda27015d6e14a0e90eaa78a41c` +- **Test Client SK**: `a3e4a0c8f4e2f9a7b1d5c3e8f9a2b1c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0` + +Configuration files are in `docker/e2e/`: +- `dmsg-server.json`: Server configuration + +## Comparison with Skywire E2E Tests + +### Similarities +- Docker-based isolated environment +- Tests client applications using the protocol +- Local deployment (not production services) +- CI-ready with `!no_ci` build tag + +### Differences +- **Skywire**: Tests visor apps over Skywire transports +- **DMSG**: Tests client utilities (curl, web) over DMSG protocol +- **DMSG**: Simpler architecture (no need for multiple visors) +- **DMSG**: Focus on HTTP over DMSG use cases + +## Troubleshooting + +### Services Not Starting +```bash +# Check container status +docker-compose -f docker/docker-compose.e2e.yml ps + +# View logs +docker-compose -f docker/docker-compose.e2e.yml logs [service-name] +``` + +### Port Conflicts +The e2e environment uses these ports: +- 6380: Redis +- 9090: DMSG Discovery +- 8080: DMSG Server + +If you see bind errors, check if these ports are in use: +```bash +netstat -tuln | grep -E ':(6380|9090|8080)' +``` + +### Tests Timing Out +Increase wait time in `scripts/run-e2e-tests.sh`: +```bash +sleep 30 # Instead of 15 +``` + +Or in individual tests by adjusting the `TestMain` sleep duration. + +### Docker Build Failures +Ensure you're building from the dmsg root directory: +```bash +cd docker +docker-compose -f docker-compose.e2e.yml build --no-cache +``` + +## Adding New Tests + +1. Add test function to `internal/e2e/e2e_test.go` +2. Use `TestEnv` helper methods +3. Focus on dmsg client utility functionality +4. Include clear assertions +5. Document what the test validates +6. Run locally before committing: + ```bash + make test-e2e + ``` + +Example test structure: +```go +func TestNewFeature(t *testing.T) { + env := NewEnv() + + // Setup + // ... + + // Execute dmsg command + output, err := env.ExecInContainer(containerClient, []string{ + "dmsg", "curl", "-Z", "-U", discoveryURL, "...", + }) + + // Validate + require.NoError(t, err) + require.Contains(t, output, "expected content") +} +``` + +## CI Integration + +### GitHub Actions Example +```yaml +name: E2E Tests + +on: [push, pull_request] + +jobs: + e2e: + runs-on: ubuntu-latest + steps: + - uses: actions/checkout@v3 + + - name: Set up Go + uses: actions/setup-go@v4 + with: + go-version: '1.25' + + - name: Run E2E Tests + run: | + cd dmsg + make test-e2e +``` + +## Future Enhancements + +Potential improvements for the e2e test framework: + +1. **More dmsg utilities** + - Add tests for `dmsg socks`, `dmsg http` + - Test dmsgpty functionality + +2. **Multi-client scenarios** + - Multiple clients communicating via DMSG + - Load testing scenarios + +3. **Error scenarios** + - Server unavailable + - Discovery down + - Network failures + +4. **Performance tests** + - Measure throughput + - Connection establishment time + - Resource usage + +5. **Integration with Skywire tests** + - Combined test suite + - Shared infrastructure + +## References + +- [DMSG Integration README](../../integration/README.md) - Local tmux-based testing +- [Skywire E2E Tests](../../../skywire/internal/integration/) - Reference implementation +- Recent bug fix: [Add Version field to Entry structs](https://github.com/skycoin/dmsg/commit/caca20b5) diff --git a/Makefile b/Makefile index 5febef58b..452b5ee0e 100644 --- a/Makefile +++ b/Makefile @@ -4,7 +4,7 @@ else SHELL := /bin/bash endif -.PHONY : check lint install-linters dep test build +.PHONY : check lint install-linters dep test test-e2e test-e2e-build test-e2e-run test-e2e-test test-e2e-stop test-e2e-clean build VERSION := $(shell git describe --always) @@ -37,7 +37,7 @@ ifneq (,$(findstring 64,$(GOARCH))) endif DMSG_REPO := github.com/skycoin/dmsg -SKYWIRE_UTILITIES_BASE := github.com/skycoin/skywire-utilities +SKYWIRE_UTILITIES_BASE := github.com/skycoin/skywire/pkg/skywire-utilities BUILDINFO_PATH := $(SKYWIRE_UTILITIES_BASE)/pkg/buildinfo BUILDINFO_VERSION := -X $(BUILDINFO_PATH).version=$(VERSION) @@ -54,13 +54,12 @@ check: lint test ## Run linters and tests check-windows: lint test-windows ## Run linters and tests on windows lint: ## Run linters. Use make install-linters first + golangci-lint version ${OPTS} golangci-lint run -c .golangci.yml ./cmd/... ${OPTS} golangci-lint run -c .golangci.yml ./pkg/... ${OPTS} golangci-lint run -c .golangci.yml ./internal/... ${OPTS} golangci-lint run -c .golangci.yml ./... ${OPTS} golangci-lint run -c .golangci.yml . - # The govet version in golangci-lint is out of date and has spurious warnings, run it separately - ${OPTS} go vet -all ./... vendorcheck: ## Run vendorcheck GO111MODULE=off vendorcheck ./... @@ -69,6 +68,26 @@ test: ## Run tests -go clean -testcache &>/dev/null ${OPTS} go test ${TEST_OPTS} ./... +test-e2e-build: ## Build Docker images for e2e tests + cd docker && docker compose -f docker-compose.e2e.yml build + +test-e2e-run: ## Start e2e test environment + cd docker && docker compose -f docker-compose.e2e.yml up -d + @echo "Waiting for services to be ready..." + sleep 15 + +test-e2e-test: ## Run e2e tests (requires e2e-run) + -go clean -testcache + go test -v -timeout=10m ./internal/e2e/... + +test-e2e-stop: ## Stop e2e environment + cd docker && docker compose -f docker-compose.e2e.yml stop + +test-e2e-clean: ## Stop and remove e2e environment + cd docker && docker compose -f docker-compose.e2e.yml down -v + +test-e2e: test-e2e-build test-e2e-run test-e2e-test test-e2e-stop ## Run complete e2e test suite + test-windows: ## Run tests -go clean -testcache ${OPTS} go test ${TEST_OPTS} ./... @@ -87,7 +106,7 @@ install-linters-windows: ## Install linters on windows ${OPTS} go install github.com/incu6us/goimports-reviser@latest format: ## Formats the code. Must have goimports and goimports-reviser installed (use make install-linters). - ${OPTS} goimports -local ${DMSG_REPO} -w . + ${OPTS} goimports -w -local ${DMSG_REPO} ./pkg ./cmd ./internal ./examples find . -type f -name '*.go' -not -path "./.git/*" -not -path "./vendor/*" -exec goimports-reviser -project-name ${DMSG_REPO} {} \; @@ -98,7 +117,7 @@ dep: ## Sorts dependencies ${OPTS} go mod vendor -v ${OPTS} go mod tidy -v -install: ## Install `dmsg-discovery`, `dmsg-server`, `dmsgget`,`dmsgpty-cli`, `dmsgpty-host`, `dmsgpty-ui` +install: ## Install `dmsg-discovery`, `dmsg-server`, `dmsgcurl`,`dmsgpty-cli`, `dmsgpty-host`, `dmsgpty-ui` ${OPTS} go install ${BUILD_OPTS} ./cmd/* build: ## Build binaries into ./bin @@ -120,10 +139,10 @@ github-prepare-release: sed '/^## ${GITHUB_TAG}$$/,/^## .*/!d;//d;/^$$/d' ./CHANGELOG.md > releaseChangelog.md github-release: github-prepare-release - goreleaser --rm-dist --config .goreleaser-linux.yml --release-notes releaseChangelog.md + goreleaser --clean --config .goreleaser-linux.yml --release-notes releaseChangelog.md github-release-darwin: - goreleaser --rm-dist --config .goreleaser-darwin.yml --skip-publish + goreleaser --clean --config .goreleaser-darwin.yml --skip=publish $(eval GITHUB_TAG=$(shell git describe --abbrev=0 --tags)) gh release upload --repo skycoin/dmsg ${GITHUB_TAG} ./dist/dmsg-${GITHUB_TAG}-darwin-amd64.tar.gz gh release upload --repo skycoin/dmsg ${GITHUB_TAG} ./dist/dmsg-${GITHUB_TAG}-darwin-arm64.tar.gz @@ -132,7 +151,7 @@ github-release-darwin: gh release upload --repo skycoin/dmsg ${GITHUB_TAG} --clobber ./checksums.txt github-release-windows: - .\goreleaser\goreleaser.exe --rm-dist --config .goreleaser-windows.yml --skip-publish + .\goreleaser\goreleaser.exe --clean --config .goreleaser-windows.yml --skip=publish $(eval GITHUB_TAG=$(shell powershell git describe --abbrev=0 --tags)) gh release upload --repo skycoin/dmsg ${GITHUB_TAG} ./dist/dmsg-${GITHUB_TAG}-windows-amd64.zip gh release upload --repo skycoin/dmsg ${GITHUB_TAG} ./dist/dmsg-${GITHUB_TAG}-windows-386.zip diff --git a/README.md b/README.md index 3c892831f..f4534b820 100644 --- a/README.md +++ b/README.md @@ -2,6 +2,7 @@ # dmsg + `dmsg` is a distributed messaging system comprised of three types of services: - `dmsg.Client` represents a user/client that wishes to use the dmsg network to establish `dmsg.Session`s and `dmsg.Stream`s. - `dmsg.Server` represents a service that proxies `dmsg.Stream`s between `dmsg.Client`s. @@ -27,10 +28,19 @@ The connection between a `dmsg.Client` and `dmsg.Server` is called a `dmsg.Sessi ## Dmsg tools and libraries -- [`dmsgget`](./docs/dmsgget.md) - Simplified `wget` over `dmsg`. +- [`dmsgcurl`](./docs/dmsgcurl.md) - Simplified `curl` over `dmsg`. - [`dmsgpty`](./docs/dmsgpty.md) - Simplified `SSH` over `dmsg`. ## Additional resources - [`dmsg` examples.](./examples) - [`dmsg.Discovery` documentation.](./cmd/dmsg-discovery/README.md) - [Starting a local `dmsg` environment.](./integration/README.md) +## Dependency Graph + +made with [goda](https://github.com/loov/goda) + +``` +goda graph github.com/skycoin/dmsg/... | dot -Tsvg -o docs/dmsg-goda-graph.svg +``` + +![Dependency Graph](docs/dmsg-goda-graph.svg "github.com/skycoin/dmsg Dependency Graph") diff --git a/cmd/conf/commands/root.go b/cmd/conf/commands/root.go new file mode 100644 index 000000000..ad1a6492e --- /dev/null +++ b/cmd/conf/commands/root.go @@ -0,0 +1,34 @@ +// Package commands cmd/conf/commands/root.go +package commands + +import ( + "log" + + "github.com/bitfield/script" + "github.com/spf13/cobra" + + "github.com/skycoin/dmsg/pkg/dmsg" +) + +// RootCmd is the root command +var RootCmd = &cobra.Command{ + Short: `dmsg deployment servers config`, + Long: `print the dmsg servers from the dmsghttp-config`, + SilenceErrors: true, + SilenceUsage: true, + DisableSuggestions: true, + DisableFlagsInUseLine: true, + Run: func(_ *cobra.Command, _ []string) { + _, err := script.Echo(string(dmsg.DmsghttpJSON)).JQ(`.prod.dmsg_servers`).Stdout() + if err != nil { + log.Fatal("Failed to execute command: ", err) + } + }, +} + +// Execute executes root CLI command. +func Execute() { + if err := RootCmd.Execute(); err != nil { + log.Fatal("Failed to execute command: ", err) + } +} diff --git a/cmd/conf/conf.go b/cmd/conf/conf.go new file mode 100644 index 000000000..a8752f9b8 --- /dev/null +++ b/cmd/conf/conf.go @@ -0,0 +1,16 @@ +// Package main cmd/conf/conf.go +package main + +import ( + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/flags" + + "github.com/skycoin/dmsg/cmd/conf/commands" +) + +func init() { + flags.InitFlags(commands.RootCmd, true) +} + +func main() { + commands.Execute() +} diff --git a/cmd/dial/commands/dial.go b/cmd/dial/commands/dial.go new file mode 100644 index 000000000..f7e6b13ae --- /dev/null +++ b/cmd/dial/commands/dial.go @@ -0,0 +1,192 @@ +// Package commands cmd/dial/commands/dial.go +package commands + +import ( + "context" + "fmt" + "log" + "net/http" + "os" + "path/filepath" + "strconv" + "strings" + "time" + + "github.com/chen3feng/safecast" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/buildinfo" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/calvin" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cmdutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + "github.com/spf13/cobra" + + "github.com/skycoin/dmsg/internal/cli" + "github.com/skycoin/dmsg/internal/flags" + "github.com/skycoin/dmsg/pkg/disc" + "github.com/skycoin/dmsg/pkg/dmsg" +) + +var ( + sk cipher.SecKey + dpk cipher.PubKey + waitTime int + dport uint + logLvl string +) + +func init() { + flags.InitFlags(RootCmd) + RootCmd.Flags().StringVarP(&logLvl, "loglvl", "l", "info", "[ debug | warn | error | fatal | panic | trace | info ]\033[0m\n\r") + RootCmd.Flags().IntVarP(&waitTime, "wait", "w", 0, "wait time in seconds before disconnecting\n\r\033[0m") + RootCmd.Flags().VarP(&sk, "sk", "s", "a random key is generated if unspecified\n\r\033[0m") +} + +// RootCmd contains the root dmsgcurl command +var RootCmd = &cobra.Command{ + Use: func() string { + return strings.Split(filepath.Base(strings.ReplaceAll(strings.ReplaceAll(fmt.Sprintf("%v", os.Args), "[", ""), "]", "")), " ")[0] + }(), + Short: "DMSG Dial network test utility", + Long: calvin.AsciiFont("dmsgdial") + ` +DMSG Dial network test utility +Test connection to dmsg servers +Test connecting to dmsg client address [:] + +Default mode of operation is dmsghttp: +* Start dmsg-direct client ; connect directly to a dmsg server +* HTTP client is configured with a dmsg HTTP transport provided by the dmsg-direct client +* HTTP client is used to make HTTP GET request to '/health' of dmsg discovery dmsg address +* If the dmsg-discovery is unreachable via the configured http client: + - Shuffle dmsg servers + - Re-make dmsg direct clent + - Reconfigure HTTP client with dmsg HTTP transport provided by the dmsg-direct client + - Fetch '/health' from dmsg discovery dmsg address [:] + - Repeat the previous 4 steps on error / until no error +* Start dmsghttp client +* Connect to dmsg client address (if specified) + +'-Z' flag: use plain http to connect to dmsg-discovery +* HTTP client is used to make HTTP GET request to '/health' of dmsg discovery URL +* Start dmsg client +* Connect to dmsg client address (if specified) + +'-B' flag: use dmsg direct client +* Start dmsg-direct client +* Connect to dmsg client address (if specified) +`, + SilenceErrors: true, + SilenceUsage: true, + DisableSuggestions: true, + DisableFlagsInUseLine: true, + Version: buildinfo.Version(), + Run: func(_ *cobra.Command, args []string) { + dlog := logging.MustGetLogger("dmsgdial") + if logLvl != "" { + if lvl, err := logging.LevelFromString(logLvl); err == nil { + logging.SetLevel(lvl) + } + } + + // var rpk cipher.PubKey + pk, err := sk.PubKey() + if err != nil { + _, sk = cipher.GenerateKeyPair() + pk, err = sk.PubKey() + if err != nil { + dlog.WithError(err).Fatal("Failed to derive public key from secret key") + } + } + + if len(args) > 0 && strings.Contains(args[0], ":") { + parts := strings.Split(args[0], ":") + if len(parts) < 1 || parts[0] == "" { + dlog.Fatal("Invalid dmsg address format. Expected [:]") + } + + // Parse the public key + if err := dpk.Set(parts[0]); err != nil { + dlog.WithError(err).Fatal("Failed to parse public key from dmsg address") + } + dlog.Debug("Parsed dmsg client public key to dial: ", dpk.String()) + // Parse the port or use the default (80) + dport = uint(80) // Default port + if len(parts) > 1 && parts[1] != "" { + parsedPort, err := strconv.ParseUint(parts[1], 10, 16) // Ports are 16-bit unsigned integers + if err != nil { + dlog.WithError(err).Fatal("Failed to parse dmsg port") + } + dport = uint(parsedPort) + } + dlog.Debug("Parsed dmsg client port to dial: ", dport) + } + + httpClient := &http.Client{} + + ctx, cancel := cmdutil.SignalContext(context.Background(), dlog) + defer cancel() + + var dmsgClients []*dmsg.Client + if flags.UseDC { + dlog.Debug("Starting DMSG direct clients.") + for _, server := range dmsg.Prod.DmsgServers { + if len(dmsgClients) >= flags.DmsgSessions { + break + } + dest := dpk.String() + + dmsgDC, closeFn, err := cli.StartDmsgDirectWithServers(ctx, dlog, pk, sk, "", []*disc.Entry{&server}, flags.DmsgSessions, dest) + if err != nil { + dlog.WithError(err).Error("Failed to start DMSG direct client. Skipping server...") + continue + } + + defer closeFn() + dmsgClients = append(dmsgClients, dmsgDC) + } + } else { + dmsgC, closeDmsg, err := cli.InitDmsgWithFlags(ctx, dlog, pk, sk, httpClient, pk.String()) + if err != nil { + dlog.WithError(err).Error("Error connecting to dmsg network") + return + } + defer closeDmsg() + dmsgClients = append(dmsgClients, dmsgC) + } + + if len(args) > 0 { + dp, ok := safecast.To[uint16](dport) + if !ok { + dlog.Fatal("uint16 overflow when converting dmsg port") + } + dlog.Debug(fmt.Sprintf("Dialing dmsg address %v:%v", dpk.String(), dp)) + for _, dmsgC := range dmsgClients { + dmsgConn, err := dmsgC.DialStream(context.Background(), dmsg.Addr{PK: dpk, Port: dp}) //nolint + if err != nil { + dlog.WithError(err).Warn("Failed to dial remote host: ", args[0], " via dmsg server: ", dmsgC.ConnectedServersPK()) + err = dmsgConn.Close() //nolint + if err != nil { + dlog.WithError(err).Error("Error closing dmsg client connection") + } + continue + } + dlog.Info("Successfully dialed remote host: ", args[0], " with dmsg server: ", dmsgC.ConnectedServersPK()) + + err = dmsgConn.Close() //nolint + if err != nil { + dlog.WithError(err).Error("Error closing dmsg client connection") + } + } + } + + time.Sleep(time.Duration(waitTime) * time.Second) + dlog.Debug("Disconnecting from dmsg network") + + }, +} + +// Execute executes root CLI command. +func Execute() { + if err := RootCmd.Execute(); err != nil { + log.Fatal("Failed to execute command: ", err) + } +} diff --git a/cmd/dial/dial.go b/cmd/dial/dial.go new file mode 100644 index 000000000..0e55551c6 --- /dev/null +++ b/cmd/dial/dial.go @@ -0,0 +1,16 @@ +// package main cmd/dial/dial.go +package main + +import ( + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/flags" + + "github.com/skycoin/dmsg/cmd/dial/commands" +) + +func init() { + flags.InitFlags(commands.RootCmd, true) +} + +func main() { + commands.Execute() +} diff --git a/cmd/dmsg-discovery/commands/dmsg-discovery.go b/cmd/dmsg-discovery/commands/dmsg-discovery.go new file mode 100644 index 000000000..5498530a0 --- /dev/null +++ b/cmd/dmsg-discovery/commands/dmsg-discovery.go @@ -0,0 +1,331 @@ +// Package commands cmd/dmsg-discovery/commands/root.go +package commands + +import ( + "context" + "errors" + "fmt" + "log" + "net" + "net/http" + "net/http/pprof" + "os" + "path/filepath" + "strings" + "time" + + proxyproto "github.com/pires/go-proxyproto" + "github.com/sirupsen/logrus" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/buildinfo" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cmdutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/metricsutil" + "github.com/spf13/cobra" + + "github.com/skycoin/dmsg/internal/discmetrics" + "github.com/skycoin/dmsg/internal/dmsg-discovery/api" + "github.com/skycoin/dmsg/internal/dmsg-discovery/store" + "github.com/skycoin/dmsg/pkg/direct" + "github.com/skycoin/dmsg/pkg/disc" + dmsg "github.com/skycoin/dmsg/pkg/dmsg" + "github.com/skycoin/dmsg/pkg/dmsghttp" +) + +const redisPasswordEnvName = "REDIS_PASSWORD" + +var ( + sf cmdutil.ServiceFlags + addr string + redisURL string + whitelistKeys string + entryTimeout time.Duration + testMode bool + enableLoadTesting bool + testEnvironment bool + pk cipher.PubKey + sk cipher.SecKey + dmsgPort uint16 + authPassphrase string + officialServers string + dmsgServerType string + pprofAddr string +) + +func init() { + sf.Init(RootCmd, "dmsg_disc", "") + + RootCmd.Flags().StringVarP(&addr, "addr", "a", ":9090", "address to bind to") + RootCmd.Flags().StringVar(&pprofAddr, "pprof", "", "address to bind pprof debug server (e.g. localhost:6060)\033[0m") + RootCmd.Flags().StringVar(&authPassphrase, "auth", "", "auth passphrase as simple auth for official dmsg servers registration") + RootCmd.Flags().StringVar(&officialServers, "official-servers", "", "list of official dmsg servers keys separated by comma") + RootCmd.Flags().StringVar(&redisURL, "redis", store.DefaultURL, "connections string for a redis store") + RootCmd.Flags().StringVar(&whitelistKeys, "whitelist-keys", "", "list of whitelisted keys of network monitor used for deregistration") + RootCmd.Flags().DurationVar(&entryTimeout, "entry-timeout", store.DefaultTimeout, "discovery entry timeout") + RootCmd.Flags().BoolVarP(&testMode, "test-mode", "t", false, "in testing mode") + RootCmd.Flags().BoolVar(&enableLoadTesting, "enable-load-testing", false, "enable load testing") + RootCmd.Flags().BoolVar(&testEnvironment, "test-environment", false, "distinguished between prod and test environment") + RootCmd.Flags().Var(&sk, "sk", "dmsg secret key\n") + RootCmd.Flags().Uint16Var(&dmsgPort, "dmsgPort", dmsg.DefaultDmsgHTTPPort, "dmsg port value") + RootCmd.Flags().StringVar(&dmsgServerType, "dmsg-server-type", "", "type of dmsg server on dmsghttp handler") +} + +// RootCmd contains commands for dmsg-discovery +var RootCmd = &cobra.Command{ + Use: func() string { + return strings.Split(filepath.Base(strings.ReplaceAll(strings.ReplaceAll(fmt.Sprintf("%v", os.Args), "[", ""), "]", "")), " ")[0] + }(), + Short: "DMSG Discovery Server", + Long: ` + ┌┬┐┌┬┐┌─┐┌─┐ ┌┬┐┬┌─┐┌─┐┌─┐┬ ┬┌─┐┬─┐┬ ┬ + │││││└─┐│ ┬───│││└─┐│ │ │└┐┌┘├┤ ├┬┘└┬┘ + ─┴┘┴ ┴└─┘└─┘ ─┴┘┴└─┘└─┘└─┘ └┘ └─┘┴└─ ┴ +DMSG Discovery Server +----- depends: redis ----- +skywire cli config gen-keys > dmsgd-config.json +skywire dmsg disc --sk $(tail -n1 dmsgd-config.json)`, + SilenceErrors: true, + SilenceUsage: true, + DisableSuggestions: true, + DisableFlagsInUseLine: true, + Version: buildinfo.Version(), + Run: func(_ *cobra.Command, _ []string) { + if _, err := buildinfo.Get().WriteTo(os.Stdout); err != nil { + log.Printf("Failed to output build info: %v", err) + } + + log := sf.Logger() + + var err error + if pk, err = sk.PubKey(); err != nil { + log.WithError(err).Warn("No SecKey found. Skipping serving on dmsghttp.") + } + + if pprofAddr != "" { + pprofMux := http.NewServeMux() + + // Register the index (which links to everything else) + pprofMux.HandleFunc("/debug/pprof/", pprof.Index) + pprofMux.HandleFunc("/debug/pprof/cmdline", pprof.Cmdline) + pprofMux.HandleFunc("/debug/pprof/profile", pprof.Profile) + pprofMux.HandleFunc("/debug/pprof/symbol", pprof.Symbol) + pprofMux.HandleFunc("/debug/pprof/trace", pprof.Trace) + + // Register profile handlers using pprof.Handler + for _, profile := range []string{"heap", "goroutine", "threadcreate", "block", "mutex", "allocs"} { + pprofMux.Handle("/debug/pprof/"+profile, pprof.Handler(profile)) + } + + go func() { + log.Infof("Starting pprof server on %s", pprofAddr) + server := &http.Server{ + Addr: pprofAddr, + Handler: pprofMux, + ReadHeaderTimeout: 10 * time.Second, + ReadTimeout: 30 * time.Second, + WriteTimeout: 30 * time.Second, + IdleTimeout: 60 * time.Second, + } + if err := server.ListenAndServe(); err != nil && err != http.ErrServerClosed { + log.Errorf("pprof server failed: %v", err) + } + }() + + time.Sleep(100 * time.Millisecond) + } + + metricsutil.ServeHTTPMetrics(log, sf.MetricsAddr) + + ctx, cancel := cmdutil.SignalContext(context.Background(), log) + defer cancel() + db := prepareDB(ctx, log) + + var m discmetrics.Metrics + if sf.MetricsAddr == "" { + m = discmetrics.NewEmpty() + } else { + m = discmetrics.NewVictoriaMetrics() + } + + var dmsgAddr string + if !pk.Null() { + dmsgAddr = fmt.Sprintf("%s:%d", pk.Hex(), dmsgPort) + } + + // we enable metrics middleware if address is passed + enableMetrics := sf.MetricsAddr != "" + a := api.New(log, db, m, testMode, enableLoadTesting, enableMetrics, dmsgAddr, authPassphrase) + + var whitelistPKs []string + if whitelistKeys != "" { + whitelistPKs = strings.Split(whitelistKeys, ",") + } + + for _, v := range whitelistPKs { + api.WhitelistPKs.Set(v) + } + + a.OfficialServers, err = fetchOfficialDmsgServers(officialServers) + if err != nil { + log.Info(err) + } + + go a.RunBackgroundTasks(ctx, log) + log.WithField("addr", addr).Info("Serving discovery API...") + go func() { + if err = listenAndServe(addr, a); err != nil { + log.Errorf("ListenAndServe: %v", err) + cancel() + } + }() + if !pk.Null() { + servers := getServers(ctx, a, dmsgServerType, log) + config := &dmsg.Config{ + MinSessions: 0, // listen on all available servers + UpdateInterval: dmsg.DefaultUpdateInterval, + ConnectedServersType: dmsgServerType, + } + var keys cipher.PubKeys + keys = append(keys, pk) + dClient := direct.NewClient(direct.GetAllEntries(keys, servers), log) + + dmsgDC, closeDmsgDC, err := direct.StartDmsg(ctx, log, pk, sk, dClient, config) + if err != nil { + log.WithError(err).Fatal("failed to start direct dmsg client.") + } + + defer closeDmsgDC() + + go func() { + for { + a.DmsgServers = dmsgDC.ConnectedServersPK() + time.Sleep(time.Second) + } + }() + + go updateServers(ctx, a, dClient, dmsgDC, dmsgServerType, log) + + go func() { + if err = dmsghttp.ListenAndServe(ctx, sk, a, dClient, dmsg.DefaultDmsgHTTPPort, dmsgDC, log); err != nil { + log.Errorf("dmsghttp.ListenAndServe: %v", err) + cancel() + } + }() + } + + <-ctx.Done() + }, +} + +// Execute executes root CLI command. +func Execute() { + if err := RootCmd.Execute(); err != nil { + log.Fatal(err) + } +} + +func prepareDB(ctx context.Context, log *logging.Logger) store.Storer { + dbConf := &store.Config{ + URL: redisURL, + Password: os.Getenv(redisPasswordEnvName), + Timeout: entryTimeout, + } + + db, err := store.NewStore(ctx, "redis", dbConf, log) + if err != nil { + log.Fatal("Failed to initialize redis store: ", err) + } + + return db +} + +func getServers(ctx context.Context, a *api.API, dmsgServerType string, log logrus.FieldLogger) (servers []*disc.Entry) { + ticker := time.NewTicker(time.Minute) + defer ticker.Stop() + for { + servers, err := a.AllServers(ctx, log) + if err != nil { + log.WithError(err).Fatal("Error getting dmsg-servers.") + } + // filtered dmsg servers by their type + if dmsgServerType != "" { + var filteredServers []*disc.Entry + for _, server := range servers { + if server.Server.ServerType == dmsgServerType { + filteredServers = append(filteredServers, server) + } + } + servers = filteredServers + } + if len(servers) > 0 { + return servers + } + log.Warn("No dmsg-servers found, trying again in 1 minute.") + select { + case <-ctx.Done(): + return []*disc.Entry{} + case <-ticker.C: + getServers(ctx, a, dmsgServerType, log) + } + } +} + +func updateServers(ctx context.Context, a *api.API, dClient disc.APIClient, dmsgC *dmsg.Client, dmsgServerType string, log logrus.FieldLogger) { + ticker := time.NewTicker(time.Minute * 10) + defer ticker.Stop() + for { + select { + case <-ctx.Done(): + return + case <-ticker.C: + servers, err := a.AllServers(ctx, log) + if err != nil { + log.WithError(err).Error("Error getting dmsg-servers.") + break + } + // filtered dmsg servers by their type + if dmsgServerType != "" { + var filteredServers []*disc.Entry + for _, server := range servers { + if server.Server.ServerType == dmsgServerType { + filteredServers = append(filteredServers, server) + } + } + servers = filteredServers + } + for _, server := range servers { + dClient.PostEntry(ctx, server) //nolint + err := dmsgC.EnsureSession(ctx, server) + if err != nil { + log.WithField("remote_pk", server.Static).WithError(err).Warn("Failed to establish session.") + } + } + } + } +} + +func listenAndServe(addr string, handler http.Handler) error { + srv := &http.Server{Addr: addr, Handler: handler, ReadTimeout: 3 * time.Second, WriteTimeout: 3 * time.Second, IdleTimeout: 30 * time.Second, ReadHeaderTimeout: 3 * time.Second} + if addr == "" { + addr = ":http" + } + ln, err := net.Listen("tcp", addr) + if err != nil { + return err + } + proxyListener := &proxyproto.Listener{Listener: ln} + defer proxyListener.Close() // nolint:errcheck + return srv.Serve(proxyListener) +} + +func fetchOfficialDmsgServers(officialServers string) (map[string]bool, error) { + dmsgServers := make(map[string]bool) + if officialServers != "" { + dmsgServersList := strings.Split(officialServers, ",") + for _, v := range dmsgServersList { + dmsgServers[v] = true + } + return dmsgServers, nil + } + return dmsgServers, errors.New("no official dmsg server list passed by --official-server flag") +} diff --git a/cmd/dmsg-discovery/commands/root.go b/cmd/dmsg-discovery/commands/root.go deleted file mode 100644 index ca602b3de..000000000 --- a/cmd/dmsg-discovery/commands/root.go +++ /dev/null @@ -1,226 +0,0 @@ -// Package commands cmd/dmsg-discovery/commands/root.go -package commands - -import ( - "context" - "log" - "net" - "net/http" - "os" - "strings" - "time" - - proxyproto "github.com/pires/go-proxyproto" - "github.com/sirupsen/logrus" - "github.com/skycoin/skywire-utilities/pkg/buildinfo" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/cmdutil" - "github.com/skycoin/skywire-utilities/pkg/logging" - "github.com/skycoin/skywire-utilities/pkg/metricsutil" - "github.com/skycoin/skywire-utilities/pkg/skyenv" - "github.com/spf13/cobra" - - "github.com/skycoin/dmsg/internal/discmetrics" - "github.com/skycoin/dmsg/internal/dmsg-discovery/api" - "github.com/skycoin/dmsg/internal/dmsg-discovery/store" - "github.com/skycoin/dmsg/pkg/direct" - "github.com/skycoin/dmsg/pkg/disc" - dmsg "github.com/skycoin/dmsg/pkg/dmsg" - "github.com/skycoin/dmsg/pkg/dmsghttp" -) - -const redisPasswordEnvName = "REDIS_PASSWORD" - -var ( - sf cmdutil.ServiceFlags - addr string - redisURL string - whitelistKeys string - entryTimeout time.Duration - testMode bool - enableLoadTesting bool - testEnvironment bool - pk cipher.PubKey - sk cipher.SecKey -) - -func init() { - sf.Init(RootCmd, "dmsg_disc", "") - - RootCmd.Flags().StringVarP(&addr, "addr", "a", ":9090", "address to bind to") - RootCmd.Flags().StringVar(&redisURL, "redis", store.DefaultURL, "connections string for a redis store") - RootCmd.Flags().StringVar(&whitelistKeys, "whitelist-keys", "", "list of whitelisted keys of network monitor used for deregistration") - RootCmd.Flags().DurationVar(&entryTimeout, "entry-timeout", store.DefaultTimeout, "discovery entry timeout") - RootCmd.Flags().BoolVarP(&testMode, "test-mode", "t", false, "in testing mode") - RootCmd.Flags().BoolVar(&enableLoadTesting, "enable-load-testing", false, "enable load testing") - RootCmd.Flags().BoolVar(&testEnvironment, "test-environment", false, "distinguished between prod and test environment") - RootCmd.Flags().Var(&sk, "sk", "dmsg secret key") -} - -// RootCmd contains commands for dmsg-discovery -var RootCmd = &cobra.Command{ - Use: "dmsg-discovery", - Short: "Dmsg Discovery Server for skywire", - Run: func(_ *cobra.Command, _ []string) { - if _, err := buildinfo.Get().WriteTo(os.Stdout); err != nil { - log.Printf("Failed to output build info: %v", err) - } - - log := sf.Logger() - - var err error - if pk, err = sk.PubKey(); err != nil { - log.WithError(err).Warn("No SecKey found. Skipping serving on dmsghttp.") - } - - metricsutil.ServeHTTPMetrics(log, sf.MetricsAddr) - - ctx, cancel := cmdutil.SignalContext(context.Background(), log) - defer cancel() - db := prepareDB(ctx, log) - - var m discmetrics.Metrics - if sf.MetricsAddr == "" { - m = discmetrics.NewEmpty() - } else { - m = discmetrics.NewVictoriaMetrics() - } - - // we enable metrics middleware if address is passed - enableMetrics := sf.MetricsAddr != "" - a := api.New(log, db, m, testMode, enableLoadTesting, enableMetrics) - - var whitelistPKs []string - if whitelistKeys != "" { - whitelistPKs = strings.Split(whitelistKeys, ",") - } else { - if testEnvironment { - whitelistPKs = strings.Split(skyenv.TestNetworkMonitorPK, ",") - } else { - whitelistPKs = strings.Split(skyenv.NetworkMonitorPK, ",") - } - } - - for _, v := range whitelistPKs { - api.WhitelistPKs.Set(v) - } - - go a.RunBackgroundTasks(ctx, log) - log.WithField("addr", addr).Info("Serving discovery API...") - go func() { - if err = listenAndServe(addr, a); err != nil { - log.Errorf("ListenAndServe: %v", err) - cancel() - } - }() - if !pk.Null() { - servers := getServers(ctx, a, log) - config := &dmsg.Config{ - MinSessions: 0, // listen on all available servers - UpdateInterval: dmsg.DefaultUpdateInterval, - } - var keys cipher.PubKeys - keys = append(keys, pk) - dClient := direct.NewClient(direct.GetAllEntries(keys, servers), log) - - dmsgDC, closeDmsgDC, err := direct.StartDmsg(ctx, log, pk, sk, dClient, config) - if err != nil { - log.WithError(err).Fatal("failed to start direct dmsg client.") - } - - defer closeDmsgDC() - - go updateServers(ctx, a, dClient, dmsgDC, log) - - go func() { - if err = dmsghttp.ListenAndServe(ctx, pk, sk, a, dClient, dmsg.DefaultDmsgHTTPPort, config, dmsgDC, log); err != nil { - log.Errorf("dmsghttp.ListenAndServe: %v", err) - cancel() - } - }() - } - - <-ctx.Done() - }, -} - -func prepareDB(ctx context.Context, log *logging.Logger) store.Storer { - dbConf := &store.Config{ - URL: redisURL, - Password: os.Getenv(redisPasswordEnvName), - Timeout: entryTimeout, - } - - db, err := store.NewStore(ctx, "redis", dbConf, log) - if err != nil { - log.Fatal("Failed to initialize redis store: ", err) - } - - return db -} - -func getServers(ctx context.Context, a *api.API, log logrus.FieldLogger) (servers []*disc.Entry) { - ticker := time.NewTicker(time.Minute) - defer ticker.Stop() - for { - servers, err := a.AllServers(ctx, log) - if err != nil { - log.WithError(err).Fatal("Error getting dmsg-servers.") - } - if len(servers) > 0 { - return servers - } - log.Warn("No dmsg-servers found, trying again in 1 minute.") - select { - case <-ctx.Done(): - return []*disc.Entry{} - case <-ticker.C: - getServers(ctx, a, log) - } - } -} - -func updateServers(ctx context.Context, a *api.API, dClient disc.APIClient, dmsgC *dmsg.Client, log logrus.FieldLogger) { - ticker := time.NewTicker(time.Minute * 10) - defer ticker.Stop() - for { - select { - case <-ctx.Done(): - return - case <-ticker.C: - servers, err := a.AllServers(ctx, log) - if err != nil { - log.WithError(err).Error("Error getting dmsg-servers.") - break - } - for _, server := range servers { - dClient.PostEntry(ctx, server) //nolint - err := dmsgC.EnsureSession(ctx, server) - if err != nil { - log.WithField("remote_pk", server.Static).WithError(err).Warn("Failed to establish session.") - } - } - } - } -} - -// Execute executes root CLI command. -func Execute() { - if err := RootCmd.Execute(); err != nil { - log.Fatal(err) - } -} - -func listenAndServe(addr string, handler http.Handler) error { - srv := &http.Server{Addr: addr, Handler: handler, ReadTimeout: 3 * time.Second, WriteTimeout: 3 * time.Second, IdleTimeout: 30 * time.Second, ReadHeaderTimeout: 3 * time.Second} - if addr == "" { - addr = ":http" - } - ln, err := net.Listen("tcp", addr) - if err != nil { - return err - } - proxyListener := &proxyproto.Listener{Listener: ln} - defer proxyListener.Close() // nolint:errcheck - return srv.Serve(proxyListener) -} diff --git a/cmd/dmsg-discovery/dmsg-discovery.go b/cmd/dmsg-discovery/dmsg-discovery.go index 9f1b98330..fd2496048 100644 --- a/cmd/dmsg-discovery/dmsg-discovery.go +++ b/cmd/dmsg-discovery/dmsg-discovery.go @@ -1,7 +1,15 @@ // package main cmd/dmsg-discovery/dmsg-discovery.go package main -import "github.com/skycoin/dmsg/cmd/dmsg-discovery/commands" +import ( + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/flags" + + "github.com/skycoin/dmsg/cmd/dmsg-discovery/commands" +) + +func init() { + flags.InitFlags(commands.RootCmd, true) +} func main() { commands.Execute() diff --git a/cmd/dmsg-server/commands/config/gen.go b/cmd/dmsg-server/commands/config/gen.go index c48911946..22b278f1f 100644 --- a/cmd/dmsg-server/commands/config/gen.go +++ b/cmd/dmsg-server/commands/config/gen.go @@ -2,11 +2,11 @@ package config import ( - "github.com/skycoin/dmsg/pkg/dmsgserver" - "github.com/sirupsen/logrus" "github.com/skycoin/skycoin/src/util/logging" "github.com/spf13/cobra" + + "github.com/skycoin/dmsg/pkg/dmsgserver" ) var ( @@ -26,7 +26,7 @@ func init() { var genConfigCmd = &cobra.Command{ Use: "gen", Short: "Generate a config file", - Run: func(cmd *cobra.Command, args []string) { + Run: func(_ *cobra.Command, _ []string) { mLog := logging.NewMasterLogger() mLog.SetLevel(logrus.InfoLevel) logger := mLog.PackageLogger("dmsg-server config generator") diff --git a/cmd/dmsg-server/commands/root.go b/cmd/dmsg-server/commands/root.go index 6cbf4b5fa..da11d3bde 100644 --- a/cmd/dmsg-server/commands/root.go +++ b/cmd/dmsg-server/commands/root.go @@ -2,33 +2,50 @@ package commands import ( + "fmt" "log" + "os" + "path/filepath" + "strings" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/buildinfo" "github.com/spf13/cobra" "github.com/skycoin/dmsg/cmd/dmsg-server/commands/config" "github.com/skycoin/dmsg/cmd/dmsg-server/commands/start" ) -var rootCmd = &cobra.Command{ - Use: "dmsg-server", - Short: "Command Line Interface for DMSG-Server", - Long: ` - ┌┬┐┌┬┐┌─┐┌─┐ ┌─┐┌─┐┬─┐┬ ┬┌─┐┬─┐ - ││││││└─┐│ ┬ ─ └─┐├┤ ├┬┘└┐┌┘├┤ ├┬┘ - ─┴┘┴ ┴└─┘└─┘ └─┘└─┘┴└─ └┘ └─┘┴└─`, -} - func init() { - rootCmd.AddCommand( + RootCmd.AddCommand( config.RootCmd, start.RootCmd, ) + +} + +// RootCmd contains the root dmsg-server command +var RootCmd = &cobra.Command{ + Use: func() string { + return strings.Split(filepath.Base(strings.ReplaceAll(strings.ReplaceAll(fmt.Sprintf("%v", os.Args), "[", ""), "]", "")), " ")[0] + }(), + Short: "DMSG Server", + Long: ` + ┌┬┐┌┬┐┌─┐┌─┐ ┌─┐┌─┐┬─┐┬ ┬┌─┐┬─┐ + ││││││└─┐│ ┬ ─ └─┐├┤ ├┬┘└┐┌┘├┤ ├┬┘ + ─┴┘┴ ┴└─┘└─┘ └─┘└─┘┴└─ └┘ └─┘┴└─ +DMSG Server +skywire dmsg server config gen -o dmsg-config.json +skywire dmsg server start dmsg-config.json`, + SilenceErrors: true, + SilenceUsage: true, + DisableSuggestions: true, + DisableFlagsInUseLine: true, + Version: buildinfo.Version(), } // Execute executes root CLI command. func Execute() { - if err := rootCmd.Execute(); err != nil { + if err := RootCmd.Execute(); err != nil { log.Fatal("Failed to execute command: ", err) } } diff --git a/cmd/dmsg-server/commands/start/root.go b/cmd/dmsg-server/commands/start/root.go index 516dc1010..e9261f4c2 100644 --- a/cmd/dmsg-server/commands/start/root.go +++ b/cmd/dmsg-server/commands/start/root.go @@ -7,12 +7,18 @@ import ( "io" "log" "net/http" + "net/http/pprof" "net/url" "os" "strconv" + "time" - "github.com/go-chi/chi/v5" + chi "github.com/go-chi/chi/v5" "github.com/go-chi/chi/v5/middleware" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/buildinfo" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cmdutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/metricsutil" "github.com/spf13/cobra" "github.com/skycoin/dmsg/internal/dmsg-server/api" @@ -20,26 +26,26 @@ import ( "github.com/skycoin/dmsg/pkg/disc" dmsg "github.com/skycoin/dmsg/pkg/dmsg" "github.com/skycoin/dmsg/pkg/dmsgserver" - - "github.com/skycoin/skywire-utilities/pkg/buildinfo" - "github.com/skycoin/skywire-utilities/pkg/cmdutil" - "github.com/skycoin/skywire-utilities/pkg/metricsutil" ) var ( - sf cmdutil.ServiceFlags + sf cmdutil.ServiceFlags + authPassphrase string + pprofAddr string ) func init() { sf.Init(RootCmd, "dmsg_srv", dmsgserver.DefaultConfigPath) + RootCmd.Flags().StringVar(&pprofAddr, "pprof", "", "address to bind pprof debug server (e.g. localhost:6060)\033[0m") + RootCmd.Flags().StringVar(&authPassphrase, "auth", "", "auth passphrase as simple auth for official dmsg servers registration") } // RootCmd contains commands for dmsg-server var RootCmd = &cobra.Command{ Use: "start", Short: "Start Dmsg Server", - PreRunE: func(cmd *cobra.Command, args []string) error { return sf.Check() }, - Run: func(_ *cobra.Command, args []string) { + PreRunE: func(_ *cobra.Command, _ []string) error { return sf.Check() }, + Run: func(_ *cobra.Command, _ []string) { if _, err := buildinfo.Get().WriteTo(os.Stdout); err != nil { log.Printf("Failed to output build info: %v", err) } @@ -51,6 +57,45 @@ var RootCmd = &cobra.Command{ log.WithError(err).Fatal("parsing config failed, generating default one...") } + logLvl, _, err := cmdutil.LevelFromString(conf.LogLevel) + if err != nil { + log.Printf("Failed to set log level: %v", err) + } + logging.SetLevel(logLvl) + + if pprofAddr != "" { + pprofMux := http.NewServeMux() + + // Register the index (which links to everything else) + pprofMux.HandleFunc("/debug/pprof/", pprof.Index) + pprofMux.HandleFunc("/debug/pprof/cmdline", pprof.Cmdline) + pprofMux.HandleFunc("/debug/pprof/profile", pprof.Profile) + pprofMux.HandleFunc("/debug/pprof/symbol", pprof.Symbol) + pprofMux.HandleFunc("/debug/pprof/trace", pprof.Trace) + + // Register profile handlers using pprof.Handler + for _, profile := range []string{"heap", "goroutine", "threadcreate", "block", "mutex", "allocs"} { + pprofMux.Handle("/debug/pprof/"+profile, pprof.Handler(profile)) + } + + go func() { + log.Infof("Starting pprof server on %s", pprofAddr) + server := &http.Server{ + Addr: pprofAddr, + Handler: pprofMux, + ReadHeaderTimeout: 10 * time.Second, + ReadTimeout: 30 * time.Second, + WriteTimeout: 30 * time.Second, + IdleTimeout: 60 * time.Second, + } + if err := server.ListenAndServe(); err != nil && err != http.ErrServerClosed { + log.Errorf("pprof server failed: %v", err) + } + }() + + time.Sleep(100 * time.Millisecond) + } + if conf.HTTPAddress == "" { u, err := url.Parse(conf.LocalAddress) if err != nil { @@ -84,6 +129,7 @@ var RootCmd = &cobra.Command{ srvConf := dmsg.ServerConfig{ MaxSessions: conf.MaxSessions, UpdateInterval: conf.UpdateInterval, + AuthPassphrase: authPassphrase, } srv := dmsg.NewServer(conf.PubKey, conf.SecKey, disc.NewHTTP(conf.Discovery, &http.Client{}, log), &srvConf, m) srv.SetLogger(log) diff --git a/cmd/dmsg-server/dmsg-server.go b/cmd/dmsg-server/dmsg-server.go index 3dadd3738..c90153f77 100644 --- a/cmd/dmsg-server/dmsg-server.go +++ b/cmd/dmsg-server/dmsg-server.go @@ -1,7 +1,15 @@ // package main cmd/dmsg-server/dmsg-server.go package main -import "github.com/skycoin/dmsg/cmd/dmsg-server/commands" +import ( + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/flags" + + "github.com/skycoin/dmsg/cmd/dmsg-server/commands" +) + +func init() { + flags.InitFlags(commands.RootCmd, true) +} func main() { commands.Execute() diff --git a/cmd/dmsg-socks5/README.md b/cmd/dmsg-socks5/README.md new file mode 100644 index 000000000..e022fd338 --- /dev/null +++ b/cmd/dmsg-socks5/README.md @@ -0,0 +1,36 @@ +# Dmsg socks5 proxy + +A server and client are provided, which operate p2p over dmsg. + +``` +socks5 proxy to connect to socks5 server over dmsg + +Usage: + proxy client [flags] + +Flags: + -D, --dmsg-disc string dmsg discovery url (default "http://dmsgd.skywire.skycoin.com") + -q, --dport uint16 dmsg port to connect to socks5 server (default 1081) + -k, --pk string dmsg socks5 proxy server public key to connect to + -p, --port int TCP port to serve SOCKS5 proxy locally (default 1081) + -s, --sk cipher.SecKey a random key is generated if unspecified + (default 0000000000000000000000000000000000000000000000000000000000000000) +``` + +``` +dmsg proxy server + +Usage: + proxy server + +Flags: + -D, --dmsg-disc string dmsg discovery url (default "http://dmsgd.skywire.skycoin.com") + -q, --dport uint16 dmsg port to serve socks5 (default 1081) + -s, --sk cipher.SecKey a random key is generated if unspecified + (default 0000000000000000000000000000000000000000000000000000000000000000) + -w, --wl string whitelist keys, comma separated + + +``` + +This utility is included primarily as a fallback mechanism to enable ssh connectivity for remote visors in the instance of routing failure for skywire. diff --git a/cmd/dmsg-socks5/commands/dmsg-socks5.go b/cmd/dmsg-socks5/commands/dmsg-socks5.go new file mode 100644 index 000000000..0fb2ea04a --- /dev/null +++ b/cmd/dmsg-socks5/commands/dmsg-socks5.go @@ -0,0 +1,276 @@ +// Package commands cmd/dmsg-socks5/commands/dmsg-socks5.go +package commands + +import ( + "context" + "fmt" + "log" + "net/http" + "os" + "path/filepath" + "strings" + "time" + + socks5 "github.com/confiant-inc/go-socks5" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/buildinfo" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/calvin" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cmdutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + "github.com/spf13/cobra" + + "github.com/skycoin/dmsg/internal/cli" + dmsg "github.com/skycoin/dmsg/pkg/dmsg" +) + +var ( + sk cipher.SecKey + pubk string + wl string + wlkeys []cipher.PubKey + proxyPort int + dmsgPort uint16 + dmsgDisc = dmsg.DiscAddr(false) + useHTTP bool + httpClient *http.Client + dlog *logging.Logger + dmsgHTTPPath string + err error +) + +// Execute executes root CLI command. +func Execute() { + if err := RootCmd.Execute(); err != nil { + log.Fatal("Failed to execute command: ", err) + } +} +func init() { + RootCmd.AddCommand( + serveCmd, + proxyCmd, + ) + + serveCmd.Flags().Uint16VarP(&dmsgPort, "dport", "q", 1081, "dmsg port to serve socks5\033[0m\n\r") + serveCmd.Flags().StringVarP(&wl, "wl", "w", "", "whitelist keys, comma separated\033[0m\n\r") + serveCmd.Flags().StringVarP(&dmsgHTTPPath, "dmsgconf", "F", "", "dmsghttp-config path\033[0m\n\r") + serveCmd.Flags().StringVarP(&dmsgDisc, "dmsg-disc", "D", dmsgDisc, "dmsg discovery url\033[0m\n\r") + serveCmd.Flags().BoolVarP(&useHTTP, "http", "z", false, "use regular http to connect to dmsg discovery\033[0m\n\r") + if os.Getenv("DMSGSK") != "" { + sk.Set(os.Getenv("DMSGSK")) //nolint + } + serveCmd.Flags().VarP(&sk, "sk", "s", "a random key is generated if unspecified\033[0m\n\r") + + proxyCmd.Flags().IntVarP(&proxyPort, "port", "p", 1081, "TCP port to serve SOCKS5 proxy locally\033[0m\n\r") + proxyCmd.Flags().Uint16VarP(&dmsgPort, "dport", "q", 1081, "dmsg port to connect to socks5 server\033[0m\n\r") + proxyCmd.Flags().StringVarP(&pubk, "pk", "k", "", "dmsg socks5 proxy server public key to connect to\033[0m\n\r") + proxyCmd.Flags().StringVarP(&dmsgHTTPPath, "dmsgconf", "F", "", "dmsghttp-config path\033[0m\n\r") + proxyCmd.Flags().StringVarP(&dmsgDisc, "dmsg-disc", "D", dmsgDisc, "dmsg discovery url\033[0m\n\r") + proxyCmd.Flags().BoolVarP(&useHTTP, "http", "z", false, "use regular http to connect to dmsg discovery\033[0m\n\r") + if os.Getenv("DMSGSK") != "" { + sk.Set(os.Getenv("DMSGSK")) //nolint + } + proxyCmd.Flags().VarP(&sk, "sk", "s", "a random key is generated if unspecified\033[0m\n\r") + +} + +// RootCmd contains the root command +var RootCmd = &cobra.Command{ + Use: func() string { + return strings.Split(filepath.Base(strings.ReplaceAll(strings.ReplaceAll(fmt.Sprintf("%v", os.Args), "[", ""), "]", "")), " ")[0] + }(), + Short: "DMSG socks5 proxy server & client", + Long: calvin.AsciiFont("dmsg-socks") + ` + DMSG socks5 proxy server & client`, + SilenceErrors: true, + SilenceUsage: true, + DisableSuggestions: true, + DisableFlagsInUseLine: true, + Version: buildinfo.Version(), +} + +// serveCmd serves socks5 over dmsg +var serveCmd = &cobra.Command{ + Use: "server", + Short: "dmsg socks5 proxy server", + Long: "dmsg socks5 proxy server", + SilenceErrors: true, + SilenceUsage: true, + DisableSuggestions: true, + DisableFlagsInUseLine: true, + Run: func(_ *cobra.Command, _ []string) { + dlog = logging.MustGetLogger("dmsg-proxy") + + if dmsgHTTPPath != "" { + dmsg.DmsghttpJSON, err = os.ReadFile(dmsgHTTPPath) //nolint + if err != nil { + dlog.WithError(err).Fatal("Failed to read specified dmsghttp-config") + } + err = dmsg.InitConfig() + if err != nil { + dlog.WithError(err).Fatal("Failed to unmarshal dmsghttp-config") + } + } + + pk, err := sk.PubKey() + if err != nil { + pk, sk = cipher.GenerateKeyPair() + } + if wl != "" { + wlk := strings.Split(wl, ",") + for _, key := range wlk { + var pk1 cipher.PubKey + err := pk1.Set(key) + if err == nil { + wlkeys = append(wlkeys, pk1) + } + } + } + if len(wlkeys) > 0 { + if len(wlkeys) == 1 { + dlog.Info(fmt.Sprintf("%d key whitelisted", len(wlkeys))) + } else { + dlog.Info(fmt.Sprintf("%d keys whitelisted", len(wlkeys))) + } + } + + ctx, cancel := cmdutil.SignalContext(context.Background(), dlog) + defer cancel() + //TODO: implement whitelist logic + + dmsgC, closeDmsg, err := cli.InitDmsgWithFlags(ctx, dlog, pk, sk, httpClient, pk.String()) + + if err != nil { + dlog.WithError(err).Fatal("Error connecting to dmsg network") + return + } + + defer closeDmsg() + + dlog.Infof("dmsg client pk: " + pk.String()) + time.Sleep(time.Second) + dmsgL, err := dmsgC.Listen(dmsgPort) + if err != nil { + dlog.Fatalf("Error listening on port %d: %v", dmsgPort, err) + } + defer func() { + if err := dmsgL.Close(); err != nil { + dlog.Printf("Error closing listener: %v", err) + } + }() + + go func() { + <-ctx.Done() + if err := dmsgL.Close(); err != nil { + dlog.WithError(err).Debug("Error closing listener on context cancellation") + } + }() + + for { + respConn, err := dmsgL.Accept() + if err != nil { + select { + case <-ctx.Done(): + dlog.Info("Shutting down SOCKS5 server...") + return + default: + dlog.Errorf("Error accepting initiator: %v", err) + continue + } + } + dlog.Infof("Accepted connection from: %s", respConn.RemoteAddr()) + + conf := &socks5.Config{} + server, err := socks5.New(conf) + if err != nil { + dlog.Fatalf("Error creating SOCKS5 server: %v", err) + } + go func() { + defer func() { + if closeErr := respConn.Close(); closeErr != nil { + dlog.Printf("Error closing client connection: %v", closeErr) + } + }() + if err := server.ServeConn(respConn); err != nil { + dlog.Infof("Connection closed: %s", respConn.RemoteAddr()) + dlog.Errorf("Error serving SOCKS5 proxy: %v", err) + } + }() + } + }, +} + +// proxyCmd serves the local socks5 proxy +var proxyCmd = &cobra.Command{ + Use: "client", + Short: "socks5 proxy client for dmsg socks5 proxy server", + Long: "socks5 proxy client for dmsg socks5 proxy server", + SilenceErrors: true, + SilenceUsage: true, + DisableSuggestions: true, + DisableFlagsInUseLine: true, + Run: func(_ *cobra.Command, _ []string) { + dlog = logging.MustGetLogger("dmsg-proxy-client") + + if dmsgHTTPPath != "" { + dmsg.DmsghttpJSON, err = os.ReadFile(dmsgHTTPPath) //nolint + if err != nil { + dlog.WithError(err).Fatal("Failed to read specified dmsghttp-config") + } + err = dmsg.InitConfig() + if err != nil { + dlog.WithError(err).Fatal("Failed to unmarshal dmsghttp-config") + } + } + + var pubKey cipher.PubKey + err := pubKey.Set(pubk) + if err != nil { + dlog.Fatal("Public key to connect to cannot be empty") + } + pk, err := sk.PubKey() + if err != nil { + pk, sk = cipher.GenerateKeyPair() + } + + ctx, cancel := cmdutil.SignalContext(context.Background(), dlog) + defer cancel() + + dmsgC, closeDmsg, err := cli.InitDmsgWithFlags(ctx, dlog, pk, sk, httpClient, pk.String()) + + if err != nil { + dlog.WithError(err).Fatal("Error connecting to dmsg network") + return + } + + defer closeDmsg() + dmsgL, err := dmsgC.Listen(dmsgPort) + if err != nil { + dlog.Fatalf("Error listening by initiator on port %d: %v", dmsgPort, err) + } + defer func() { + if err := dmsgL.Close(); err != nil { + dlog.Printf("Error closing initiator's listener: %v", err) + } + }() + dlog.Infof("Socks5 proxy client connected on DMSG port %d", dmsgPort) + initTp, err := dmsgC.DialStream(context.Background(), dmsg.Addr{PK: pubKey, Port: dmsgPort}) + if err != nil { + dlog.Fatalf("Error dialing responder: %v", err) + } + defer func() { + if err := initTp.Close(); err != nil { + dlog.Printf("Error closing initiator's stream: %v", err) + } + }() + conf := &socks5.Config{} + server, err := socks5.New(conf) + if err != nil { + dlog.Fatalf("Error creating SOCKS5 server: %v", err) + } + proxyListenAddr := fmt.Sprintf("127.0.0.1:%d", proxyPort) + dlog.Infof("Serving SOCKS5 proxy on %s", proxyListenAddr) + if err := server.ListenAndServe("tcp", proxyListenAddr); err != nil { + dlog.Fatalf("Error serving SOCKS5 proxy: %v", err) + } + }, +} diff --git a/cmd/dmsg-socks5/dmsg-socks5.go b/cmd/dmsg-socks5/dmsg-socks5.go new file mode 100644 index 000000000..9c4938359 --- /dev/null +++ b/cmd/dmsg-socks5/dmsg-socks5.go @@ -0,0 +1,16 @@ +// Package main cmd/dmsg-socks5/dmsg-socks5.go +package main + +import ( + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/flags" + + "github.com/skycoin/dmsg/cmd/dmsg-socks5/commands" +) + +func init() { + flags.InitFlags(commands.RootCmd, true) +} + +func main() { + commands.Execute() +} diff --git a/cmd/dmsg/commands/kill.go b/cmd/dmsg/commands/kill.go new file mode 100644 index 000000000..7ee118cb0 --- /dev/null +++ b/cmd/dmsg/commands/kill.go @@ -0,0 +1,27 @@ +// Package commands cmd/dmsg/commands/kill.go +package commands + +import ( + "os" + "os/signal" + "syscall" +) + +func init() { + // TEMPORARY WORKAROUND: Force exit on Ctrl+C after 3 attempts + // This can be removed once the proper signal handling fixes are verified: + // - dmsgC.Serve() now uses signal-aware context (not context.Background()) + // - Accept loops now check for context cancellation + // - HTTP servers now shutdown gracefully + c := make(chan os.Signal, 1) + signal.Notify(c, os.Interrupt, syscall.SIGTERM) + go func() { + sigCount := 0 + for range c { + sigCount++ + if sigCount >= 3 { + os.Exit(1) + } + } + }() +} diff --git a/cmd/dmsg/commands/root.go b/cmd/dmsg/commands/root.go new file mode 100644 index 000000000..556f4a7cc --- /dev/null +++ b/cmd/dmsg/commands/root.go @@ -0,0 +1,131 @@ +// Package commands cmd/dmsg/commands/root.go +package commands + +import ( + "fmt" + "log" + "os" + "path/filepath" + "strings" + + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/buildinfo" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/calvin" + "github.com/spf13/cobra" + + df "github.com/skycoin/dmsg/cmd/conf/commands" + dl "github.com/skycoin/dmsg/cmd/dial/commands" + dd "github.com/skycoin/dmsg/cmd/dmsg-discovery/commands" + ds "github.com/skycoin/dmsg/cmd/dmsg-server/commands" + ds5 "github.com/skycoin/dmsg/cmd/dmsg-socks5/commands" + dc "github.com/skycoin/dmsg/cmd/dmsgcurl/commands" + dh "github.com/skycoin/dmsg/cmd/dmsghttp/commands" + di "github.com/skycoin/dmsg/cmd/dmsgip/commands" + dpc "github.com/skycoin/dmsg/cmd/dmsgpty-cli/commands" + dph "github.com/skycoin/dmsg/cmd/dmsgpty-host/commands" + dpu "github.com/skycoin/dmsg/cmd/dmsgpty-ui/commands" + dw "github.com/skycoin/dmsg/cmd/dmsgweb/commands" +) + +var ( + bv bool + dbi bool +) + +func init() { + dmsgptyCmd.AddCommand( + dpc.RootCmd, + dph.RootCmd, + dpu.RootCmd, + ) + + ds.RootCmd.AddCommand( + dl.RootCmd, + ) + RootCmd.AddCommand( + dmsgptyCmd, + dd.RootCmd, + ds.RootCmd, + df.RootCmd, + dh.RootCmd, + dc.RootCmd, + dw.RootCmd, + ds5.RootCmd, + di.RootCmd, + ) + dd.RootCmd.Use = "disc" + ds.RootCmd.Use = "server" + dl.RootCmd.Use = "dial" + df.RootCmd.Use = "conf" + dh.RootCmd.Use = "http" + dc.RootCmd.Use = "curl" + dw.RootCmd.Use = "web" + ds5.RootCmd.Use = "socks" + dpc.RootCmd.Use = "cli" + dph.RootCmd.Use = "host" + dpu.RootCmd.Use = "ui" + di.RootCmd.Use = "ip" + + modifySubcommands(RootCmd) + if fmt.Sprintf("%v", buildinfo.DebugBuildInfo()) != "" { + RootCmd.Flags().BoolVarP(&dbi, "info", "d", false, "print runtime/debug.BuildInfo") + } + if fmt.Sprintf("%v", buildinfo.DBIVersion()) != "" { + RootCmd.Flags().BoolVarP(&bv, "bv", "b", false, "print runtime/debug.BuildInfo.Main.Version") + } +} + +func modifySubcommands(cmd *cobra.Command) { + for i := range cmd.Commands() { + cmd.Commands()[i].Version = "" + cmd.Commands()[i].SilenceErrors = true + cmd.Commands()[i].SilenceUsage = true + cmd.Commands()[i].DisableSuggestions = true + cmd.Commands()[i].DisableFlagsInUseLine = true + modifySubcommands(cmd.Commands()[i]) // recursion + } +} + +// RootCmd contains all binaries which may be separately compiled as subcommands +var RootCmd = &cobra.Command{ + Use: func() string { + return strings.Split(filepath.Base(strings.ReplaceAll(strings.ReplaceAll(fmt.Sprintf("%v", os.Args), "[", ""), "]", "")), " ")[0] + }(), + Short: "DMSG services & utilities", + Long: func() (ret string) { + ret = calvin.AsciiFont("dmsg") + if buildinfo.DBIVersion() != "" { + ret += fmt.Sprintf("\n%v", buildinfo.DBIVersion()) + } else { + ret += fmt.Sprintf("\nversion %v", buildinfo.Version()) + } + if buildinfo.Go() != "unknown" && buildinfo.Go() != "" { + ret += "\nbuilt with " + buildinfo.Go() + } + return ret + }(), + SilenceErrors: true, + SilenceUsage: true, + DisableSuggestions: true, + DisableFlagsInUseLine: true, +} + +var dmsgptyCmd = &cobra.Command{ + Use: "pty", + Short: "DMSG pseudoterminal (pty)", + Long: ` + ┌─┐┌┬┐┬ ┬ + ├─┘ │ └┬┘ + ┴ ┴ ┴ +DMSG pseudoterminal (pty)`, + SilenceErrors: true, + SilenceUsage: true, + DisableSuggestions: true, + DisableFlagsInUseLine: true, +} + +// Execute executes root CLI command. +func Execute() { + if err := RootCmd.Execute(); err != nil { + log.Fatal("Failed to execute command: ", err) + } +} diff --git a/cmd/dmsg/dmsg.go b/cmd/dmsg/dmsg.go new file mode 100644 index 000000000..4c480da2a --- /dev/null +++ b/cmd/dmsg/dmsg.go @@ -0,0 +1,16 @@ +// Package main cmd/dmsg/dmsg.go +package main + +import ( + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/flags" + + "github.com/skycoin/dmsg/cmd/dmsg/commands" +) + +func init() { + flags.InitFlags(commands.RootCmd, false) +} + +func main() { + commands.Execute() +} diff --git a/cmd/dmsgcurl/README.md b/cmd/dmsgcurl/README.md new file mode 100644 index 000000000..1b87e2e2e --- /dev/null +++ b/cmd/dmsgcurl/README.md @@ -0,0 +1,25 @@ +## DMSGCURL +#### Usage +``` +$ skywire dmsg curl dmsg://{pk}:{port}/xxx +``` + +#### Errors +We trying to use same error's status code like what libcurl used as below: +| ERROR CODE | SHORT DESCRIPTION | LONG DESCRIPTION | +|---|---|---| +| 0 | OK | All fine. Proceed as usual. | +| 2 | FAILED_INIT | Very early initialization code failed. | +| 3 | URL_MALFORMAT | The URL was not properly formatted. | +| 4 | DMSG_INIT | Couldn't resolve dmsg initialziation. | +| 5 | COULDNT_RESOLVE_PROXY | Couldn't resolve proxy. The given proxy host could not be resolved. | +| 6 | COULDNT_RESOLVE_HOST | Couldn't resolve host. The given remote host was not resolved. | +| 22 | WRITE_INIT | An error occurred when creating output file. | +| 23 | WRITE_ERROR | An error occurred when writing received data to a local file, or an error was returned to dmsgcurl from a write callback. | +| 26 | READ_ERROR | There was a problem reading a local file or an error returned by the read callback. | +| 55 | SEND_ERROR | Failed sending network data. | +| 56 | RECV_ERROR | Failure with receiving network data. | +| 57 | DOWNLOAD_ERROR | Failure with downloading data. | +| 63 | FILESIZE_EXCEEDED | Maximum file size exceeded. | +| 64 | CONTEXT_CANCELED | Operation canceled by user. | + diff --git a/cmd/dmsgcurl/commands/dmsgcurl.go b/cmd/dmsgcurl/commands/dmsgcurl.go new file mode 100644 index 000000000..ef51f68f9 --- /dev/null +++ b/cmd/dmsgcurl/commands/dmsgcurl.go @@ -0,0 +1,395 @@ +// Package commands cmd/dmsgcurl/commands +package commands + +import ( + "context" + "errors" + "fmt" + "io" + "io/fs" + "log" + "net" + "net/http" + "net/url" + "os" + "path/filepath" + "strings" + "sync/atomic" + "time" + + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/buildinfo" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/calvin" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cmdutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + "github.com/spf13/cobra" + "golang.org/x/net/proxy" + + "github.com/skycoin/dmsg/internal/cli" + "github.com/skycoin/dmsg/internal/flags" + "github.com/skycoin/dmsg/pkg/disc" + "github.com/skycoin/dmsg/pkg/dmsg" + "github.com/skycoin/dmsg/pkg/dmsghttp" +) + +var ( + dmsgcurlData string + sk cipher.SecKey + destPK cipher.PubKey + dlog = logging.MustGetLogger("dmsgcurl") + dmsgcurlAgent string + logLvl string + dmsgcurlTries int + dmsgcurlWait int + dmsgcurlOutput string + replace bool + proxyAddr string + dialer = proxy.Direct //nolint unused + err error +) + +func init() { + RootCmd.Flags().SortFlags = false + flags.InitFlags(RootCmd) + RootCmd.Flags().StringVarP(&proxyAddr, "proxy", "p", proxyAddr, "connect to DMSG via proxy (i.e. '127.0.0.1:1080')") + RootCmd.Flags().StringVarP(&logLvl, "loglvl", "l", "fatal", "[ debug | warn | error | fatal | panic | trace | info ]\033[0m\n\r") + RootCmd.Flags().StringVarP(&dmsgcurlData, "data", "d", "", "dmsghttp POST data") + RootCmd.Flags().StringVarP(&dmsgcurlOutput, "out", "o", "", "output filepath") + RootCmd.Flags().BoolVarP(&replace, "replace", "r", false, "replace existing file with new downloaded") + RootCmd.Flags().IntVarP(&dmsgcurlTries, "try", "t", 1, "download attempts (0 unlimits)\033[0m\n\r") + RootCmd.Flags().IntVarP(&dmsgcurlWait, "wait", "w", 0, "time to wait between requests") + RootCmd.Flags().StringVarP(&dmsgcurlAgent, "agent", "a", "dmsgcurl/"+buildinfo.Version(), "identify as `AGENT`\033[0m\n\r") + if os.Getenv("DMSGCURL_SK") != "" { + sk.Set(os.Getenv("DMSGCURL_SK")) //nolint + } + RootCmd.Flags().VarP(&sk, "sk", "s", "a random key is generated if unspecified\033[0m\n\r") +} + +// RootCmd contains the root cli command +var RootCmd = &cobra.Command{ + Use: "curl", + Short: "DMSG curl utility", + Long: calvin.AsciiFont("dmsgcurl") + ` + DMSG curl utility`, + SilenceErrors: true, + SilenceUsage: true, + DisableSuggestions: true, + DisableFlagsInUseLine: true, + Version: buildinfo.Version(), + RunE: func(_ *cobra.Command, args []string) error { + if logLvl != "" { + if lvl, err := logging.LevelFromString(logLvl); err == nil { + logging.SetLevel(lvl) + } + } + + if flags.DmsgHTTPPath != "" { + dmsg.DmsghttpJSON, err = os.ReadFile(flags.DmsgHTTPPath) //nolint + if err != nil { + dlog.WithError(err).Fatal("Failed to read specified dmsghttp-config") + } + err = dmsg.InitConfig() + if err != nil { + dlog.WithError(err).Fatal("Failed to unmarshal dmsghttp-config") + } + } + + pk, err := sk.PubKey() + if err != nil { + _, sk = cipher.GenerateKeyPair() + pk, err = sk.PubKey() + if err != nil { + dlog.WithError(err).Fatal("Failed to derive public key from secret key") + } + } + if len(args) == 0 { + dlog.WithError(fmt.Errorf("no URL(s) provided")).Error(errorDesc["FAILED_INIT"] + "\n") + os.Exit(errorCode["FAILED_INIT"]) + } + if len(args) > 1 { + dlog.WithError(fmt.Errorf("multiple URLs are not yet supported")).Error(errorDesc["FAILED_INIT"] + "\n") + os.Exit(errorCode["FAILED_INIT"]) + } + parsedURL, err := url.Parse(args[0]) + if err != nil { + dlog.WithError(fmt.Errorf("failed to parse provided URL")).Error(errorDesc["URL_MALFORMAT"] + "\n") + os.Exit(errorCode["URL_MALFORMAT"]) + } + destSlc := strings.Split(parsedURL.Host, ":") + if len(destSlc) == 1 { + destSlc = append(destSlc, "80") + } + err = destPK.Set(destSlc[0]) + if err != nil { + dlog.WithError(err).Fatal("bad PK for host\n") + } + + var cErr curlError + ctx, cancel := cmdutil.SignalContext(context.Background(), dlog) + defer cancel() + + httpClient := &http.Client{} + if proxyAddr != "" { + // Use SOCKS5 proxy dialer if specified + dialer, err := proxy.SOCKS5("tcp", proxyAddr, nil, proxy.Direct) + if err != nil { + dlog.WithError(fmt.Errorf("Error creating SOCKS5 dialer: %v", err)).Error(errorDesc["COULDNT_RESOLVE_PROXY"]) + os.Exit(errorCode["COULDNT_RESOLVE_PROXY"]) + } + transport := &http.Transport{ + Dial: dialer.Dial, + } + httpClient = &http.Client{ + Transport: transport, + } + ctx = context.WithValue(context.Background(), "socks5_proxy", proxyAddr) //nolint + } + + cErr = handleRequest(ctx, pk, sk, httpClient, parsedURL, dmsgcurlData) + if cErr.Code == 0 { + return nil + } + + if cErr.Code != 0 { + dlog.WithError(cErr.Error).Error("An error occurred\n") + return cErr.Error + } + return err + }, +} + +func handleRequest(ctx context.Context, pk cipher.PubKey, sk cipher.SecKey, httpClient *http.Client, parsedURL *url.URL, dmsgcurlData string) curlError { + file, err := prepareOutputFile() + if err != nil { + return curlError{ + Error: fmt.Errorf("%s", errorDesc["WRITE_INIT"]), + Code: errorCode["WRITE_INIT"], + } + } + defer closeAndCleanFile(file, err) + var httpC http.Client + + if flags.UseDC { + var dmsgClients []*dmsg.Client + + dlog.Debug("Starting DMSG direct clients.") + for _, server := range dmsg.Prod.DmsgServers { + if len(dmsgClients) >= flags.DmsgSessions { + break + } + + dmsgDC, closeFn, err := cli.StartDmsgDirectWithServers(ctx, dlog, pk, sk, "", []*disc.Entry{&server}, flags.DmsgSessions, dmsg.ExtractPKFromDmsgAddr(parsedURL.String())) + if err != nil { + dlog.WithError(err).Error("Failed to start DMSG direct client. Skipping server...") + continue + } + + dmsgClients = append(dmsgClients, dmsgDC) + defer closeFn() + } + + if len(dmsgClients) == 0 { + dlog.Fatal("Failed to start any DMSG direct clients.") + } + + // Build HTTP client with fallback round tripper + httpC = http.Client{ + Transport: cli.NewFallbackRoundTripper(ctx, dmsgClients), + } + } else { + dmsgC, closeDmsg, err := cli.InitDmsgWithFlags(ctx, dlog, pk, sk, httpClient, parsedURL.String()) + if err != nil || dmsgC == nil { + dlog.WithError(err).Debug("Error initializing DMSG client") + return curlError{ + Error: fmt.Errorf("%s", errorDesc["DMSG_INIT"]), + Code: errorCode["DMSG_INIT"], + } + } + defer closeDmsg() + + httpC = http.Client{Transport: dmsghttp.MakeHTTPTransport(ctx, dmsgC)} + + } + + for i := 0; i < dmsgcurlTries; i++ { + if dmsgcurlOutput != "" { + if i > 0 { + dlog.Debugf("Download attempt %d/%d ...", i+1, dmsgcurlTries) + } + if _, err := file.Seek(0, 0); err != nil { + return curlError{ + Error: fmt.Errorf("%s", errorDesc["WRITE_ERROR"]), + Code: errorCode["WRITE_ERROR"], + } + } + } + + req, err := buildHTTPRequest(parsedURL.String(), dmsgcurlData) + if err != nil { + dlog.WithError(err).Error("Failed to formulate HTTP request") + return curlError{ + Error: fmt.Errorf("%s", errorDesc["FAILED_INIT"]), + Code: errorCode["FAILED_INIT"], + } + } + + var resp *http.Response + for attempt := 1; attempt <= 10; attempt++ { + resp, err = httpC.Do(req) + if err == nil { + break + } + + if isFatalHTTPErr(err) { + dlog.WithError(err).Error("Unrecoverable HTTP error") + return curlError{ + Error: fmt.Errorf("%s", errorDesc["RECV_ERROR"]), + Code: errorCode["RECV_ERROR"], + } + } + + dlog.WithError(err).Debugf("HTTP request attempt %d failed, retrying...", attempt) + time.Sleep(time.Duration(attempt) * time.Second) + } + + if err != nil { + dlog.WithError(err).Debug("Failed to perform HTTP request after maximum retries") + continue // Retry outer attempt + } + defer closeResponseBody(resp) + + n, err := cancellableCopy(ctx, file, resp.Body, resp.ContentLength) + if err != nil { + dlog.WithError(err).Errorf("Download failed at %d/%dB", n, resp.ContentLength) + select { + case <-ctx.Done(): + return curlError{ + Error: fmt.Errorf("%s", errorDesc["CONTEXT_CANCELED"]), + Code: errorCode["CONTEXT_CANCELED"], + } + case <-time.After(time.Duration(dmsgcurlWait) * time.Second): + continue // Retry outer attempt + } + } + + dlog.Debugf("Download succeeded, bytes written: %d", n) + return curlError{ + Error: fmt.Errorf("%s", errorDesc["SUCCESS"]), + Code: errorCode["SUCCESS"], + } + } + + // All retries exhausted + return curlError{ + Error: fmt.Errorf("%s", errorDesc["FAILURE"]), + Code: errorCode["FAILURE"], + } +} + +func buildHTTPRequest(url, data string) (*http.Request, error) { + if data != "" { + req, err := http.NewRequest(http.MethodPost, url, strings.NewReader(data)) + if err != nil { + return nil, err + } + req.Header.Set("Content-Type", "text/plain") + return req, nil + } + return http.NewRequest(http.MethodGet, url, nil) +} + +func isFatalHTTPErr(err error) bool { + var netErr net.Error + return errors.Is(err, context.DeadlineExceeded) || (errors.As(err, &netErr) && netErr.Timeout()) +} + +func prepareOutputFile() (*os.File, error) { + if dmsgcurlOutput == "" { + return os.Stdout, nil + } + return parseOutputFile(dmsgcurlOutput, replace) +} + +func closeAndCleanFile(file *os.File, err error) { + if fErr := file.Close(); fErr != nil { + dlog.WithError(fErr).Warn("Failed to close output file.\n") + } + if err != nil && file != os.Stdout { + if rErr := os.RemoveAll(file.Name()); rErr != nil { + dlog.WithError(rErr).Warn("Failed to remove output file.\n") + } + } +} + +func closeResponseBody(resp *http.Response) { + if err := resp.Body.Close(); err != nil { + dlog.WithError(err).Debug("Failed to close response body\n") + } +} + +func parseOutputFile(output string, replace bool) (*os.File, error) { + _, statErr := os.Stat(output) + if statErr != nil { + if os.IsNotExist(statErr) { + if err := os.MkdirAll(filepath.Dir(output), fs.ModePerm); err != nil { + return nil, err + } + f, err := os.Create(output) //nolint + if err != nil { + return nil, err + } + return f, nil + } + return nil, statErr + } + if replace { + return os.OpenFile(filepath.Clean(output), os.O_RDWR|os.O_CREATE|os.O_TRUNC, os.ModePerm) //nolint + } + return nil, os.ErrExist +} + +type readerFunc func(p []byte) (n int, err error) + +func (rf readerFunc) Read(p []byte) (n int, err error) { return rf(p) } + +func cancellableCopy(ctx context.Context, w io.Writer, body io.ReadCloser, length int64) (int64, error) { + n, err := io.Copy(io.MultiWriter(w, &progressWriter{Total: length}), readerFunc(func(p []byte) (int, error) { + select { + case <-ctx.Done(): + return 0, errors.New("Download Canceled") + default: + return body.Read(p) + } + })) + return n, err +} + +type progressWriter struct { + Current int64 + Total int64 +} + +func (pw *progressWriter) Write(p []byte) (int, error) { + n := len(p) + current := atomic.AddInt64(&pw.Current, int64(n)) + total := atomic.LoadInt64(&pw.Total) + pc := fmt.Sprintf("%d%%", current*100/total) + if dmsgcurlOutput != "" { + fmt.Printf("Downloading: %d/%dB (%s)", current, total, pc) + if current != total { + fmt.Print("\r") + } else { + fmt.Print("\n") + } + } + return n, nil +} + +// Execute executes the RootCmd +func Execute() { + if err := RootCmd.Execute(); err != nil { + // WHY WON'T THIS PRINT?? + dlog.WithError(err).Debug("An error occurred\n") + log.Fatal("Failed to execute command: ", err) + } +} diff --git a/cmd/dmsgcurl/commands/errors.go b/cmd/dmsgcurl/commands/errors.go new file mode 100644 index 000000000..b7d31ead0 --- /dev/null +++ b/cmd/dmsgcurl/commands/errors.go @@ -0,0 +1,42 @@ +package commands + +var errorCode = map[string]int{ + "SUCCESS": 0, + "FAILURE": 1, + "FAILED_INIT": 2, + "URL_MALFORMAT": 3, + "DMSG_INIT": 4, + "COULDNT_RESOLVE_PROXY": 5, + "COULDNT_RESOLVE_HOST": 6, + "WRITE_INIT": 22, + "WRITE_ERROR": 23, + "READ_ERROR": 26, + "SEND_ERROR": 55, + "RECV_ERROR": 56, + "DOWNLOAD_ERROR": 57, + "FILESIZE_EXCEEDED": 63, + "CONTEXT_CANCELED": 64, +} +var errorDesc = map[string]string{ + "SUCCESS": "No error", + "FAILURE": "An error occurred", + "FAILED_INIT": "Very early initialization code failed.", + "URL_MALFORMAT": "The URL was not properly formatted.", + "DMSG_INIT": "Couldn't resolve dmsg initialziation.", + "COULDNT_RESOLVE_PROXY": "Couldn't resolve proxy. The given proxy host could not be resolved.", + "COULDNT_RESOLVE_HOST": "Couldn't resolve host. The given remote host was not resolved.", + "WRITE_INIT": "An error occurred when creating output file.", + "WRITE_ERROR": "An error occurred when writing received data to a local file, or an error was returned to dmsgcurl from a write callback.", + "READ_ERROR": "There was a problem reading a local file or an error returned by the read callback.", + "SEND_ERROR": "Failed sending network data.", + "RECV_ERROR": "Failure with receiving network data.", + "DOWNLOAD_ERROR": "Failure with downloading data.", + "FILESIZE_EXCEEDED": "Maximum file size exceeded.", + "CONTEXT_CANCELED": "Operation canceled by user", +} + +// curlError is the struct of dmsgcurl functions output, to set appropriate exit code +type curlError struct { + Error error + Code int +} diff --git a/cmd/dmsgcurl/dmsgcurl.go b/cmd/dmsgcurl/dmsgcurl.go new file mode 100644 index 000000000..a2117a7b0 --- /dev/null +++ b/cmd/dmsgcurl/dmsgcurl.go @@ -0,0 +1,16 @@ +// package main cmd/dmsgcurl/dmsgcurl.go +package main + +import ( + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/flags" + + "github.com/skycoin/dmsg/cmd/dmsgcurl/commands" +) + +func init() { + flags.InitFlags(commands.RootCmd, true) +} + +func main() { + commands.Execute() +} diff --git a/cmd/dmsgget/dmsgget.go b/cmd/dmsgget/dmsgget.go deleted file mode 100644 index 7b06047c8..000000000 --- a/cmd/dmsgget/dmsgget.go +++ /dev/null @@ -1,29 +0,0 @@ -// package main cmd/dmsgget/dmsgget.go -package main - -import ( - "context" - "flag" - "os" - - "github.com/skycoin/skywire-utilities/pkg/cmdutil" - "github.com/skycoin/skywire-utilities/pkg/logging" - - "github.com/skycoin/dmsg/pkg/dmsgget" -) - -func main() { - log := logging.MustGetLogger(dmsgget.ExecName) - - skStr := os.Getenv("DMSGGET_SK") - - dg := dmsgget.New(flag.CommandLine) - flag.Parse() - - ctx, cancel := cmdutil.SignalContext(context.Background(), log) - defer cancel() - - if err := dg.Run(ctx, log, skStr, flag.Args()); err != nil { - log.WithError(err).Fatal() - } -} diff --git a/cmd/dmsghttp/commands/dmsghttp.go b/cmd/dmsghttp/commands/dmsghttp.go new file mode 100644 index 000000000..8843291ad --- /dev/null +++ b/cmd/dmsghttp/commands/dmsghttp.go @@ -0,0 +1,322 @@ +// Package commands cmd/dmsghttp/commands/dmsghttp.go +package commands + +import ( + "context" + "fmt" + "log" + "net" + "net/http" + "os" + "path/filepath" + "strings" + "sync" + "time" + + "github.com/gin-gonic/gin" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/buildinfo" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/calvin" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cmdutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + "github.com/spf13/cobra" + "golang.org/x/net/proxy" + + "github.com/skycoin/dmsg/internal/cli" + "github.com/skycoin/dmsg/internal/flags" + dmsg "github.com/skycoin/dmsg/pkg/dmsg" +) + +var ( + dlog = logging.MustGetLogger("dmsghttp") + dmsgPort uint + logLvl string + proxyAddr string + sk cipher.SecKey + pk cipher.PubKey + serveDir string + wl []string + wlkeys []cipher.PubKey + err error +) + +func init() { + RootCmd.Flags().SortFlags = false + flags.InitFlags(RootCmd) + RootCmd.Flags().StringVarP(&proxyAddr, "proxy", "p", proxyAddr, "connect to DMSG via proxy (i.e. '127.0.0.1:1080')") + RootCmd.Flags().StringVarP(&logLvl, "loglvl", "l", "debug", "[ debug | warn | error | fatal | panic | trace | info ]\033[0m\n\r") + RootCmd.Flags().StringVarP(&serveDir, "dir", "r", ".", "local dir to serve via dmsghttp\033[0m\n\r") + RootCmd.Flags().UintVarP(&dmsgPort, "port", "d", 80, "DMSG port to serve from\033[0m\n\r") + RootCmd.Flags().StringSliceVarP(&wl, "wl", "w", []string{}, "whitelist keys to access server, comma separated") + if os.Getenv("DMSGHTTP_SK") != "" { + sk.Set(os.Getenv("DMSGHTTP_SK")) //nolint + } + RootCmd.Flags().VarP(&sk, "sk", "s", "a random key is generated if unspecified\033[0m\n\r") + +} + +// RootCmd contains the root dmsghttp command +var RootCmd = &cobra.Command{ + Use: func() string { + return strings.Split(filepath.Base(strings.ReplaceAll(strings.ReplaceAll(fmt.Sprintf("%v", os.Args), "[", ""), "]", "")), " ")[0] + }(), + Short: "DMSG http file server", + Long: calvin.AsciiFont("dmsghttp") + ` + DMSG http file server`, + SilenceErrors: true, + SilenceUsage: true, + DisableSuggestions: true, + DisableFlagsInUseLine: true, + Version: buildinfo.Version(), + + Run: func(_ *cobra.Command, _ []string) { + server() + }, +} + +func server() { + wg := new(sync.WaitGroup) + wg.Add(1) + + err = flags.InitConfig() + if err != nil { + dlog.WithError(err).Fatal("Failed to read specified dmsghttp-config") + } + + pk, err = sk.PubKey() + if err != nil { + pk, sk = cipher.GenerateKeyPair() + } + + for _, key := range wl { + var pk1 cipher.PubKey + err := pk1.Set(key) + if err == nil { + wlkeys = append(wlkeys, pk1) + } + } + + if len(wlkeys) > 0 { + if len(wlkeys) == 1 { + dlog.Info(fmt.Sprintf("%d key whitelisted", len(wlkeys))) + } else { + dlog.Info(fmt.Sprintf("%d keys whitelisted", len(wlkeys))) + } + } + + ctx, cancel := cmdutil.SignalContext(context.Background(), dlog) + defer cancel() + + httpClient := &http.Client{} + + if proxyAddr != "" { + // Use SOCKS5 proxy dialer if specified + dialer, err := proxy.SOCKS5("tcp", proxyAddr, nil, proxy.Direct) + if err != nil { + dlog.WithError(err).Fatal("Error creating SOCKS5 dialer") + } + transport := &http.Transport{ + Dial: dialer.Dial, + } + httpClient = &http.Client{ + Transport: transport, + } + ctx = context.WithValue(context.Background(), "socks5_proxy", proxyAddr) //nolint + } + + var dmsgC *dmsg.Client + var closeDmsg func() + + dmsgC, closeDmsg, err = cli.InitDmsgWithFlags(ctx, dlog, pk, sk, httpClient, "") + if err != nil { + dlog.WithError(err).Error("Error connecting to dmsg network") + return + } + defer closeDmsg() + + lis, err := dmsgC.Listen(uint16(dmsgPort)) //nolint gosec + if err != nil { + dlog.WithError(err).Debug() + } + go func() { + <-ctx.Done() + if err := lis.Close(); err != nil { + dlog.WithError(err).Debug() + } + }() + + r1 := gin.New() + // Disable Gin's default logger middleware + r1.Use(gin.Recovery()) + r1.Use(loggingMiddleware()) + // only whitelisted public keys can access authRoute(s) + authRoute := r1.Group("/") + if len(wlkeys) > 0 { + authRoute.Use(whitelistAuth(wlkeys)) + } + + r1.Static("/", serveDir) + + // Start the server using the custom Gin handler + serve := &http.Server{ + Handler: &GinHandler{Router: r1}, + ReadHeaderTimeout: 5 * time.Second, + ReadTimeout: 10 * time.Second, + WriteTimeout: 10 * time.Second, + } + + // Gracefully shutdown HTTP server on context cancellation + go func() { + <-ctx.Done() + shutdownCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second) + defer cancel() + if err := serve.Shutdown(shutdownCtx); err != nil { + dlog.WithError(err).Warn("Server shutdown error") + } + }() + + // Start serving + go func() { + dlog.WithField("dmsg_addr", lis.Addr().String()).Debug("Serving...\n") + if err := serve.Serve(lis); err != nil && err != http.ErrServerClosed { + dlog.WithError(err).Debug("Server error\n") + } + wg.Done() + }() + + wg.Wait() +} + +func whitelistAuth(whitelistedPKs []cipher.PubKey) gin.HandlerFunc { + return func(c *gin.Context) { + // Get the remote PK. + remotePK, _, err := net.SplitHostPort(c.Request.RemoteAddr) + if err != nil { + c.Writer.WriteHeader(http.StatusInternalServerError) + c.Writer.Write([]byte("500 Internal Server Error")) //nolint errcheck + c.AbortWithStatus(http.StatusInternalServerError) + return + } + // Check if the remote PK is whitelisted. + whitelisted := false + if len(whitelistedPKs) == 0 { + whitelisted = true + } else { + for _, whitelistedPK := range whitelistedPKs { + if remotePK == whitelistedPK.String() { + whitelisted = true + break + } + } + } + if whitelisted { + c.Next() + } else { + // Otherwise, return a 401 Unauthorized error. + c.Writer.WriteHeader(http.StatusUnauthorized) + c.Writer.Write([]byte("401 Unauthorized")) //nolint errcheck + c.AbortWithStatus(http.StatusUnauthorized) + return + } + } +} + +// GinHandler is handler for gin on dmsg http sever +type GinHandler struct { + Router *gin.Engine +} + +func (h *GinHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) { + h.Router.ServeHTTP(w, r) +} + +func loggingMiddleware() gin.HandlerFunc { + return func(c *gin.Context) { + start := time.Now() + c.Next() + latency := time.Since(start) + if latency > time.Minute { + latency = latency.Truncate(time.Second) + } + statusCode := c.Writer.Status() + method := c.Request.Method + path := c.Request.URL.Path + + // Get the background color based on the status code + statusCodeBackgroundColor := getBackgroundColor(statusCode) + + // Get the method color + methodColor := getMethodColor(method) + + fmt.Printf("[EXAMPLE] %s |%s %3d %s| %13v | %15s | %72s |%s %-7s %s %s\n", + time.Now().Format("2006/01/02 - 15:04:05"), + statusCodeBackgroundColor, + statusCode, + resetColor(), + latency, + c.ClientIP(), + c.Request.RemoteAddr, + methodColor, + method, + resetColor(), + path, + ) + } +} +func getBackgroundColor(statusCode int) string { + switch { + case statusCode >= http.StatusOK && statusCode < http.StatusMultipleChoices: + return green + case statusCode >= http.StatusMultipleChoices && statusCode < http.StatusBadRequest: + return white + case statusCode >= http.StatusBadRequest && statusCode < http.StatusInternalServerError: + return yellow + default: + return red + } +} + +func getMethodColor(method string) string { + switch method { + case http.MethodGet: + return blue + case http.MethodPost: + return cyan + case http.MethodPut: + return yellow + case http.MethodDelete: + return red + case http.MethodPatch: + return green + case http.MethodHead: + return magenta + case http.MethodOptions: + return white + default: + return reset + } +} + +func resetColor() string { + return reset +} + +const ( + green = "\033[97;42m" + white = "\033[90;47m" + yellow = "\033[90;43m" + red = "\033[97;41m" + blue = "\033[97;44m" + magenta = "\033[97;45m" + cyan = "\033[97;46m" + reset = "\033[0m" +) + +// Execute executes root CLI command. +func Execute() { + if err := RootCmd.Execute(); err != nil { + // WHY WON'T THIS PRINT?? + dlog.WithError(err).Debug("An error occurred\n") + log.Fatal("Failed to execute command: ", err) + } +} diff --git a/cmd/dmsghttp/dmsghttp.go b/cmd/dmsghttp/dmsghttp.go new file mode 100644 index 000000000..dccb874c7 --- /dev/null +++ b/cmd/dmsghttp/dmsghttp.go @@ -0,0 +1,16 @@ +// package main cmd/dmsg-discovery/dmsg-discovery.go +package main + +import ( + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/flags" + + "github.com/skycoin/dmsg/cmd/dmsghttp/commands" +) + +func init() { + flags.InitFlags(commands.RootCmd, true) +} + +func main() { + commands.Execute() +} diff --git a/cmd/dmsgip/README.md b/cmd/dmsgip/README.md new file mode 100644 index 000000000..97a9b4987 --- /dev/null +++ b/cmd/dmsgip/README.md @@ -0,0 +1,23 @@ + + + +``` + + + ┌┬┐┌┬┐┌─┐┌─┐ ┬┌─┐ + │││││└─┐│ ┬ │├─┘ + ─┴┘┴ ┴└─┘└─┘ ┴┴ +DMSG ip utility + +Usage: + dmsgip + +Flags: + -c, --dmsg-disc string dmsg discovery url default: + http://dmsgd.skywire.dev + -l, --loglvl string [ debug | warn | error | fatal | panic | trace | info ] (default "fatal") + -s, --sk cipher.SecKey a random key is generated if unspecified + (default 0000000000000000000000000000000000000000000000000000000000000000) + -v, --version version for dmsgip + +``` diff --git a/cmd/dmsgip/commands/dmsgip.go b/cmd/dmsgip/commands/dmsgip.go new file mode 100644 index 000000000..40cf01009 --- /dev/null +++ b/cmd/dmsgip/commands/dmsgip.go @@ -0,0 +1,141 @@ +// Package commands cmd/dmsgcurl/commands/dmsgcurl.go +package commands + +import ( + "context" + "fmt" + "log" + "net/http" + "os" + "path/filepath" + "strings" + + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/buildinfo" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/calvin" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cmdutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + "github.com/spf13/cobra" + "golang.org/x/net/proxy" + + "github.com/skycoin/dmsg/internal/cli" + "github.com/skycoin/dmsg/pkg/dmsg" +) + +var ( + dmsgDisc = dmsg.DiscAddr(false) + sk cipher.SecKey + logLvl string + dmsgServers []string + proxyAddr string + httpClient *http.Client + useHTTP bool + dmsgSessions int + dmsgHTTPPath string + err error +) + +func init() { + RootCmd.Flags().BoolVarP(&useHTTP, "http", "z", false, "use regular http to connect to dmsg discovery") + RootCmd.Flags().StringVarP(&dmsgHTTPPath, "dmsgconf", "F", "", "dmsghttp-config path") + RootCmd.Flags().StringVarP(&dmsgDisc, "dmsg-disc", "c", dmsgDisc, "dmsg discovery url\033[0m\n\r") + RootCmd.Flags().IntVarP(&dmsgSessions, "sess", "e", 1, "number of dmsg servers to connect to\033[0m\n\r") + RootCmd.Flags().StringVarP(&proxyAddr, "proxy", "p", "", "connect to dmsg via proxy (i.e. '127.0.0.1:1080')") + RootCmd.Flags().StringVarP(&logLvl, "loglvl", "l", "fatal", "[ debug | warn | error | fatal | panic | trace | info ]\033[0m\n\r") + if os.Getenv("DMSGIP_SK") != "" { + sk.Set(os.Getenv("DMSGIP_SK")) //nolint + } + RootCmd.Flags().StringSliceVarP(&dmsgServers, "srv", "d", []string{}, "dmsg server public keys") + RootCmd.Flags().VarP(&sk, "sk", "s", "a random key is generated if unspecified\n\r\033[0m") +} + +// RootCmd contains the root dmsgcurl command +var RootCmd = &cobra.Command{ + Use: func() string { + return strings.Split(filepath.Base(strings.ReplaceAll(strings.ReplaceAll(fmt.Sprintf("%v", os.Args), "[", ""), "]", "")), " ")[0] + }(), + Short: "DMSG IP utility", + Long: calvin.AsciiFont("dmsgip") + ` + DMSG IP utility`, + SilenceErrors: true, + SilenceUsage: true, + DisableSuggestions: true, + DisableFlagsInUseLine: true, + Version: buildinfo.Version(), + RunE: func(_ *cobra.Command, _ []string) error { + dlog := logging.MustGetLogger("dmsgip") + + if logLvl != "" { + if lvl, err := logging.LevelFromString(logLvl); err == nil { + logging.SetLevel(lvl) + } + } + + if dmsgHTTPPath != "" { + dmsg.DmsghttpJSON, err = os.ReadFile(dmsgHTTPPath) //nolint + if err != nil { + dlog.WithError(err).Fatal("Failed to read specified dmsghttp-config") + } + err = dmsg.InitConfig() + if err != nil { + dlog.WithError(err).Fatal("Failed to unmarshal dmsghttp-config") + } + } + + var srvs []cipher.PubKey + for _, srv := range dmsgServers { + var pk cipher.PubKey + if err := pk.Set(srv); err != nil { + return fmt.Errorf("failed to parse server public key: %w", err) + } + srvs = append(srvs, pk) + } + + pk, err := sk.PubKey() + if err != nil { + pk, sk = cipher.GenerateKeyPair() + } + + ctx, cancel := cmdutil.SignalContext(context.Background(), dlog) + defer cancel() + + httpClient = &http.Client{} + var dialer proxy.Dialer = proxy.Direct + + if proxyAddr != "" { + dialer, err = proxy.SOCKS5("tcp", proxyAddr, nil, proxy.Direct) + if err != nil { + dlog.Fatalf("Error creating SOCKS5 dialer: %v", err) + } + transport := &http.Transport{ + Dial: dialer.Dial, + } + httpClient = &http.Client{ + Transport: transport, + } + ctx = context.WithValue(context.Background(), "socks5_proxy", proxyAddr) //nolint + } + + dmsgC, closeDmsg, err := cli.InitDmsgWithFlags(ctx, dlog, pk, sk, httpClient, pk.String()) + + if err != nil { + dlog.WithError(err).Debug("Error connecting to dmsg network") + } + defer closeDmsg() + ip, err := dmsgC.LookupIP(ctx, srvs) + if err != nil { + dlog.WithError(err).Error("failed to lookup IP") + } + + fmt.Printf("%v\n", ip) + fmt.Print("\n") + return nil + }, +} + +// Execute executes root CLI command. +func Execute() { + if err := RootCmd.Execute(); err != nil { + log.Fatal("Failed to execute command: ", err) + } +} diff --git a/cmd/dmsgip/dmsgip.go b/cmd/dmsgip/dmsgip.go new file mode 100644 index 000000000..c316fc967 --- /dev/null +++ b/cmd/dmsgip/dmsgip.go @@ -0,0 +1,16 @@ +// package main cmd/dmsgcurl/dmsgcurl.go +package main + +import ( + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/flags" + + "github.com/skycoin/dmsg/cmd/dmsgip/commands" +) + +func init() { + flags.InitFlags(commands.RootCmd, true) +} + +func main() { + commands.Execute() +} diff --git a/cmd/dmsgpty-cli/commands/root.go b/cmd/dmsgpty-cli/commands/root.go index 1610bde96..cef9e9a12 100644 --- a/cmd/dmsgpty-cli/commands/root.go +++ b/cmd/dmsgpty-cli/commands/root.go @@ -4,11 +4,15 @@ package commands import ( "context" "encoding/json" + "fmt" "log" "os" + "path/filepath" + "strings" - "github.com/skycoin/skywire-utilities/pkg/buildinfo" - "github.com/skycoin/skywire-utilities/pkg/cmdutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/buildinfo" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/calvin" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cmdutil" "github.com/spf13/cobra" dmsg "github.com/skycoin/dmsg/pkg/dmsg" @@ -21,95 +25,84 @@ var cli = dmsgpty.DefaultCLI() var ( defaultConfPath = "config.json" confPath string + // conf to update whitelists + conf dmsgpty.Config + remoteAddr dmsg.Addr + cmdName = dmsgpty.DefaultCmd + cmdArgs []string ) -// conf to update whitelists -var conf dmsgpty.Config - -var remoteAddr dmsg.Addr -var cmdName = dmsgpty.DefaultCmd -var cmdArgs []string - func init() { - RootCmd.PersistentFlags().StringVar(&cli.Net, "clinet", cli.Net, - "network to use for dialing to dmsgpty-host") - - RootCmd.PersistentFlags().StringVar(&cli.Addr, "cliaddr", cli.Addr, - "address to use for dialing to dmsgpty-host") - - RootCmd.PersistentFlags().StringVarP(&confPath, "confpath", confPath, - defaultConfPath, "config path") - - cobra.OnInitialize(initConfig) - RootCmd.Flags().Var(&remoteAddr, "addr", - "remote dmsg address of format 'pk:port'\n If unspecified, the pty will start locally\n") - - RootCmd.Flags().StringVarP(&cmdName, "cmd", "c", cmdName, - "name of command to run\n") - - RootCmd.Flags().StringSliceVarP(&cmdArgs, "args", "a", cmdArgs, - "command arguments") - + RootCmd.Flags().StringVarP(&cli.Net, "clinet", "n", cli.Net, "network to use for dialing to dmsgpty-host") + RootCmd.Flags().StringVarP(&cli.Addr, "cliaddr", "r", cli.Addr, "address to use for dialing to dmsgpty-host") + RootCmd.Flags().StringVarP(&confPath, "confpath", "p", defaultConfPath, "config path") + RootCmd.Flags().Var(&remoteAddr, "addr", "remote dmsg address of format 'pk:port'\n If unspecified, the pty will start locally\n") + RootCmd.Flags().StringVarP(&cmdName, "cmd", "c", cmdName, "name of command to run\n") + RootCmd.Flags().StringSliceVarP(&cmdArgs, "args", "a", cmdArgs, "command arguments") } -// initConfig sources whitelist from config file -// by default : it will look for config -// -// case 1 : config file is new (does not contain a "wl" key) -// - create a "wl" key within the config file -// -// case 2 : config file is old (already contains "wl" key) -// - load config file into memory to manipulate whitelists -// - writes changes back to config file -func initConfig() { - - println(confPath) - - if _, err := os.Stat(confPath); err != nil { - cli.Log.Fatalf("Config file %s not found.", confPath) - } - - // read file using ioutil - file, err := os.ReadFile(confPath) //nolint:gosec - if err != nil { - cli.Log.Fatalln("Unable to read ", confPath, err) - } +// RootCmd contains commands for dmsgpty-cli; which interacts with the dmsgpty-host instance (i.e. skywire-visor) +var RootCmd = &cobra.Command{ + Use: func() string { + return strings.Split(filepath.Base(strings.ReplaceAll(strings.ReplaceAll(fmt.Sprintf("%v", os.Args), "[", ""), "]", "")), " ")[0] + }(), + Short: "DMSG pseudoterminal command line interface", + Long: calvin.AsciiFont("dmsgpty-cli") + ` + DMSG pseudoterminal command line interface`, + SilenceErrors: true, + SilenceUsage: true, + DisableSuggestions: true, + DisableFlagsInUseLine: true, + PreRun: func(*cobra.Command, []string) { + // source whitelist from config file + // by default : it will look for config + // + // case 1 : config file is new (does not contain a "wl" key) + // - create a "wl" key within the config file + // + // case 2 : config file is old (already contains "wl" key) + // - load config file into memory to manipulate whitelists + // - writes changes back to config file + println(confPath) + + if _, err := os.Stat(confPath); err != nil { + cli.Log.Fatalf("Config file %s not found.", confPath) + } - // store config.json into conf to manipulate whitelists - err = json.Unmarshal(file, &conf) - if err != nil { - cli.Log.Errorln(err) - // ignoring this error - b, err := json.MarshalIndent(conf, "", " ") + // read file using ioutil + file, err := os.ReadFile(confPath) //nolint:gosec if err != nil { - cli.Log.Fatalln("Unable to marshal conf") + cli.Log.Fatalln("Unable to read ", confPath, err) } - // write to config.json - err = os.WriteFile(confPath, b, 0600) + // store config.json into conf to manipulate whitelists + err = json.Unmarshal(file, &conf) if err != nil { - cli.Log.Fatalln("Unable to write", confPath, err) + cli.Log.Errorln(err) + // ignoring this error + b, err := json.MarshalIndent(conf, "", " ") + if err != nil { + cli.Log.Fatalln("Unable to marshal conf") + } + + // write to config.json + err = os.WriteFile(confPath, b, 0600) + if err != nil { + cli.Log.Fatalln("Unable to write", confPath, err) + } + } + conf.CLIAddr = dmsgpty.ParseWindowsEnv(conf.CLIAddr) + if conf.CLIAddr != "" { + cli.Addr = conf.CLIAddr + } + if conf.CLINet != "" { + cli.Net = conf.CLINet } - } - conf.CLIAddr = dmsgpty.ParseWindowsEnv(conf.CLIAddr) - if conf.CLIAddr != "" { - cli.Addr = conf.CLIAddr - } - if conf.CLINet != "" { - cli.Net = conf.CLINet - } -} - -// RootCmd contains commands for dmsgpty-cli; which interacts with the dmsgpty-host instance (i.e. skywire-visor) -var RootCmd = &cobra.Command{ - Use: "dmsgpty-cli", - Short: "Run commands over dmsg", - PreRun: func(*cobra.Command, []string) { if remoteAddr.Port == 0 { remoteAddr.Port = dmsgpty.DefaultPort } }, - RunE: func(cmd *cobra.Command, args []string) error { + RunE: func(_ *cobra.Command, _ []string) error { if _, err := buildinfo.Get().WriteTo(log.Writer()); err != nil { log.Printf("Failed to output build info: %v", err) } diff --git a/cmd/dmsgpty-cli/commands/whitelist.go b/cmd/dmsgpty-cli/commands/whitelist.go index 3f31bba19..1208ce70a 100644 --- a/cmd/dmsgpty-cli/commands/whitelist.go +++ b/cmd/dmsgpty-cli/commands/whitelist.go @@ -5,7 +5,7 @@ import ( "fmt" "log" - "github.com/skycoin/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" "github.com/spf13/cobra" ) @@ -19,7 +19,7 @@ func init() { var whitelistCmd = &cobra.Command{ Use: "whitelist", Short: "lists all whitelisted public keys", - RunE: func(cmd *cobra.Command, args []string) error { + RunE: func(_ *cobra.Command, _ []string) error { wlC, err := cli.WhitelistClient() if err != nil { return err diff --git a/cmd/dmsgpty-cli/dmsgpty-cli.go b/cmd/dmsgpty-cli/dmsgpty-cli.go index 5bd3b9c80..bc6d271c1 100644 --- a/cmd/dmsgpty-cli/dmsgpty-cli.go +++ b/cmd/dmsgpty-cli/dmsgpty-cli.go @@ -1,7 +1,15 @@ // package main cmd/dmsgpty-cli/dmsgpty-cli.go package main -import "github.com/skycoin/dmsg/cmd/dmsgpty-cli/commands" +import ( + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/flags" + + "github.com/skycoin/dmsg/cmd/dmsgpty-cli/commands" +) + +func init() { + flags.InitFlags(commands.RootCmd, true) +} func main() { commands.Execute() diff --git a/cmd/dmsgpty-host/commands/confgen.go b/cmd/dmsgpty-host/commands/confgen.go index c097c6c73..ba0c1e7d1 100644 --- a/cmd/dmsgpty-host/commands/confgen.go +++ b/cmd/dmsgpty-host/commands/confgen.go @@ -20,10 +20,9 @@ func init() { } var confgenCmd = &cobra.Command{ - Use: "confgen ", - Short: "generates config file", - Args: cobra.MaximumNArgs(1), - PreRun: func(cmd *cobra.Command, args []string) {}, + Use: "confgen ", + Short: "generates config file", + Args: cobra.MaximumNArgs(1), RunE: func(cmd *cobra.Command, args []string) error { if len(args) == 0 { diff --git a/cmd/dmsgpty-host/commands/root.go b/cmd/dmsgpty-host/commands/root.go index 7515e582b..7b81fd26c 100644 --- a/cmd/dmsgpty-host/commands/root.go +++ b/cmd/dmsgpty-host/commands/root.go @@ -8,16 +8,18 @@ import ( "net" "net/http" "os" + "path/filepath" "strconv" "strings" "sync" jsoniter "github.com/json-iterator/go" "github.com/sirupsen/logrus" - "github.com/skycoin/skywire-utilities/pkg/buildinfo" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/cmdutil" - "github.com/skycoin/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/buildinfo" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/calvin" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cmdutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" "github.com/spf13/cobra" "github.com/skycoin/dmsg/pkg/disc" @@ -34,7 +36,7 @@ var json = jsoniter.ConfigFastest // variables var ( // persistent flags - dmsgDisc = dmsg.DefaultDiscAddr + dmsgDisc = dmsg.DiscAddr(false) dmsgSessions = dmsg.DefaultMinSessions dmsgPort = dmsgpty.DefaultPort cliNet = dmsgpty.DefaultCLINet @@ -55,35 +57,112 @@ var ( func init() { // Prepare flags with env/config references. + RootCmd.Flags().Var(&wl, "wl", "whitelist of the dmsgpty-host") + RootCmd.Flags().StringVar(&dmsgDisc, "dmsgdisc", dmsgDisc, "dmsg discovery address") + RootCmd.Flags().IntVar(&dmsgSessions, "dmsgsessions", dmsgSessions, "minimum number of dmsg sessions to ensure") + RootCmd.Flags().Uint16Var(&dmsgPort, "dmsgport", dmsgPort, "dmsg port for listening for remote hosts") + RootCmd.Flags().StringVar(&cliNet, "clinet", cliNet, "network used for listening for cli connections") + RootCmd.Flags().StringVar(&cliAddr, "cliaddr", cliAddr, "address used for listening for cli connections") + // Prepare flags without associated env/config references. + RootCmd.Flags().StringVar(&envPrefix, "envprefix", envPrefix, "env prefix") + RootCmd.Flags().BoolVar(&confStdin, "confstdin", confStdin, "config will be read from stdin if set") + RootCmd.Flags().StringVarP(&confPath, "confpath", "c", confPath, "config path") - RootCmd.PersistentFlags().Var(&wl, "wl", - "whitelist of the dmsgpty-host") +} - RootCmd.PersistentFlags().StringVar(&dmsgDisc, "dmsgdisc", dmsgDisc, - "dmsg discovery address") +// RootCmd contains commands for dmsgpty-host +var RootCmd = &cobra.Command{ + Use: func() string { + return strings.Split(filepath.Base(strings.ReplaceAll(strings.ReplaceAll(fmt.Sprintf("%v", os.Args), "[", ""), "]", "")), " ")[0] + }(), + Short: "DMSG host for pseudoterminal command line interface", + Long: calvin.AsciiFont("dmsgpty-host") + ` + DMSG host for pseudoterminal (pty) command line interface`, + SilenceErrors: true, + SilenceUsage: true, + DisableSuggestions: true, + DisableFlagsInUseLine: true, + RunE: func(cmd *cobra.Command, _ []string) error { + conf, err := getConfig(cmd, false) + if err != nil { + return fmt.Errorf("failed to get config: %w", err) + } - RootCmd.PersistentFlags().IntVar(&dmsgSessions, "dmsgsessions", dmsgSessions, - "minimum number of dmsg sessions to ensure") + if _, err := buildinfo.Get().WriteTo(stdlog.Writer()); err != nil { + log.Printf("Failed to output build info: %v", err) + } + log := logging.MustGetLogger("dmsgpty-host") + ctx, cancel := cmdutil.SignalContext(context.Background(), log) + defer cancel() - RootCmd.PersistentFlags().Uint16Var(&dmsgPort, "dmsgport", dmsgPort, - "dmsg port for listening for remote hosts") + pk, err := sk.PubKey() + if err != nil { + return fmt.Errorf("failed to derive public key from secret key: %w", err) + } - RootCmd.PersistentFlags().StringVar(&cliNet, "clinet", cliNet, - "network used for listening for cli connections") + // Prepare and serve dmsg client and wait until ready. + dmsgC := dmsg.NewClient(pk, sk, disc.NewHTTP(conf.DmsgDisc, &http.Client{}, log), &dmsg.Config{ + MinSessions: conf.DmsgSessions, + }) + defer func() { + if err := dmsgC.Close(); err != nil { + log.WithError(err).Warn("Failed to close dmsg client") + } + }() - RootCmd.PersistentFlags().StringVar(&cliAddr, "cliaddr", cliAddr, - "address used for listening for cli connections") + go dmsgC.Serve(ctx) + select { + case <-ctx.Done(): + return fmt.Errorf("failed to wait dmsg client to be ready: %w", ctx.Err()) + case <-dmsgC.Ready(): + } - // Prepare flags without associated env/config references. + // Prepare whitelist. + // var wl dmsgpty.Whitelist + wl, err := dmsgpty.NewConfigWhitelist(confPath) + if err != nil { + return fmt.Errorf("failed to init whitelist: %w", err) + } - RootCmd.PersistentFlags().StringVar(&envPrefix, "envprefix", envPrefix, - "env prefix") + // Prepare dmsgpty host. + host := dmsgpty.NewHost(dmsgC, wl) + wg := new(sync.WaitGroup) + wg.Add(2) - RootCmd.Flags().BoolVar(&confStdin, "confstdin", confStdin, - "config will be read from stdin if set") + // Prepare CLI. + if conf.CLINet == "unix" { + _ = os.Remove(conf.CLIAddr) //nolint:errcheck + } + cliL, err := net.Listen(conf.CLINet, conf.CLIAddr) + if err != nil { + return fmt.Errorf("failed to serve CLI: %w", err) + } + log.WithField("addr", cliL.Addr()).Info("Listening for CLI connections.") + go func() { + log.WithError(host.ServeCLI(ctx, cliL)). + Info("Stopped serving CLI.") + wg.Done() + }() - RootCmd.Flags().StringVarP(&confPath, "confpath", "c", confPath, - "config path") + // Serve dmsgpty. + log.WithField("port", conf.DmsgPort). + Info("Listening for dmsg streams.") + go func() { + log.WithError(host.ListenAndServe(ctx, conf.DmsgPort)). + Info("Stopped serving dmsgpty-host.") + wg.Done() + }() + + wg.Wait() + return nil + }, +} + +// Execute executes the root command. +func Execute() { + if err := RootCmd.Execute(); err != nil { + os.Exit(1) + } } func configFromJSON(conf dmsgpty.Config) (dmsgpty.Config, error) { @@ -184,7 +263,7 @@ func fillConfigFromENV(conf dmsgpty.Config) (dmsgpty.Config, error) { return conf, fmt.Errorf("failed to parse dmsg port: %w", err) } - conf.DmsgPort = uint16(dmsgPort) + conf.DmsgPort = uint16(dmsgPort) //nolint } if val, ok := os.LookupEnv(envPrefix + "_CLINET"); ok { @@ -199,7 +278,7 @@ func fillConfigFromENV(conf dmsgpty.Config) (dmsgpty.Config, error) { } func fillConfigFromFlags(conf dmsgpty.Config) dmsgpty.Config { - if dmsgDisc != dmsg.DefaultDiscAddr { + if dmsgDisc != dmsg.DiscAddr(false) { conf.DmsgDisc = dmsgDisc } @@ -266,85 +345,3 @@ func getConfig(cmd *cobra.Command, skGen bool) (dmsgpty.Config, error) { return conf, nil } - -// RootCmd contains commands for dmsgpty-host -var RootCmd = &cobra.Command{ - Use: cmdutil.RootCmdName(), - Short: "runs a standalone dmsgpty-host instance", - PreRun: func(cmd *cobra.Command, args []string) {}, - RunE: func(cmd *cobra.Command, args []string) error { - conf, err := getConfig(cmd, false) - if err != nil { - return fmt.Errorf("failed to get config: %w", err) - } - - if _, err := buildinfo.Get().WriteTo(stdlog.Writer()); err != nil { - log.Printf("Failed to output build info: %v", err) - } - log := logging.MustGetLogger("dmsgpty-host") - ctx, cancel := cmdutil.SignalContext(context.Background(), log) - defer cancel() - - pk, err := sk.PubKey() - if err != nil { - return fmt.Errorf("failed to derive public key from secret key: %w", err) - } - - // Prepare and serve dmsg client and wait until ready. - dmsgC := dmsg.NewClient(pk, sk, disc.NewHTTP(conf.DmsgDisc, &http.Client{}, log), &dmsg.Config{ - MinSessions: conf.DmsgSessions, - }) - go dmsgC.Serve(context.Background()) - select { - case <-ctx.Done(): - return fmt.Errorf("failed to wait dmsg client to be ready: %w", ctx.Err()) - case <-dmsgC.Ready(): - } - - // Prepare whitelist. - // var wl dmsgpty.Whitelist - wl, err := dmsgpty.NewConfigWhitelist(confPath) - if err != nil { - return fmt.Errorf("failed to init whitelist: %w", err) - } - - // Prepare dmsgpty host. - host := dmsgpty.NewHost(dmsgC, wl) - wg := new(sync.WaitGroup) - wg.Add(2) - - // Prepare CLI. - if conf.CLINet == "unix" { - _ = os.Remove(conf.CLIAddr) //nolint:errcheck - } - cliL, err := net.Listen(conf.CLINet, conf.CLIAddr) - if err != nil { - return fmt.Errorf("failed to serve CLI: %w", err) - } - log.WithField("addr", cliL.Addr()).Info("Listening for CLI connections.") - go func() { - log.WithError(host.ServeCLI(ctx, cliL)). - Info("Stopped serving CLI.") - wg.Done() - }() - - // Serve dmsgpty. - log.WithField("port", conf.DmsgPort). - Info("Listening for dmsg streams.") - go func() { - log.WithError(host.ListenAndServe(ctx, conf.DmsgPort)). - Info("Stopped serving dmsgpty-host.") - wg.Done() - }() - - wg.Wait() - return nil - }, -} - -// Execute executes the root command. -func Execute() { - if err := RootCmd.Execute(); err != nil { - os.Exit(1) - } -} diff --git a/cmd/dmsgpty-host/dmsgpty-host.go b/cmd/dmsgpty-host/dmsgpty-host.go index 0930c4808..38ed33735 100644 --- a/cmd/dmsgpty-host/dmsgpty-host.go +++ b/cmd/dmsgpty-host/dmsgpty-host.go @@ -1,7 +1,15 @@ // Package main cmd/dmsgpty-host/dmsgpty-host.go package main -import "github.com/skycoin/dmsg/cmd/dmsgpty-host/commands" +import ( + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/flags" + + "github.com/skycoin/dmsg/cmd/dmsgpty-host/commands" +) + +func init() { + flags.InitFlags(commands.RootCmd, true) +} func main() { commands.Execute() diff --git a/cmd/dmsgpty-ui/commands/dmsgpty-ui.go b/cmd/dmsgpty-ui/commands/dmsgpty-ui.go new file mode 100644 index 000000000..665944339 --- /dev/null +++ b/cmd/dmsgpty-ui/commands/dmsgpty-ui.go @@ -0,0 +1,77 @@ +// Package commands cmd/dmsgpty-ui/commands/root.go +package commands + +import ( + "fmt" + "log" + "net/http" + "os" + "path/filepath" + "strings" + "time" + + "github.com/sirupsen/logrus" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/buildinfo" + "github.com/spf13/cobra" + + "github.com/skycoin/dmsg/pkg/dmsgpty" +) + +var ( + hostNet = dmsgpty.DefaultCLINet + hostAddr = dmsgpty.DefaultCLIAddr() + addr = ":8080" + conf = dmsgpty.DefaultUIConfig() +) + +func init() { + RootCmd.Flags().StringVar(&hostNet, "hnet", hostNet, "dmsgpty host network name") + RootCmd.Flags().StringVar(&hostAddr, "haddr", hostAddr, "dmsgpty host network address") + RootCmd.Flags().StringVar(&addr, "addr", addr, "network address to serve UI on") + RootCmd.Flags().StringVar(&conf.CmdName, "cmd", conf.CmdName, "command to run when initiating pty") + RootCmd.Flags().StringArrayVar(&conf.CmdArgs, "arg", conf.CmdArgs, "command arguments to include when initiating pty") +} + +// RootCmd contains commands to start a dmsgpty-ui server for a dmsgpty-host +var RootCmd = &cobra.Command{ + Use: func() string { + return strings.Split(filepath.Base(strings.ReplaceAll(strings.ReplaceAll(fmt.Sprintf("%v", os.Args), "[", ""), "]", "")), " ")[0] + }(), + Short: "DMSG pseudoterminal GUI", + Long: ` + ┌┬┐┌┬┐┌─┐┌─┐┌─┐┌┬┐┬ ┬ ┬ ┬┬ + │││││└─┐│ ┬├─┘ │ └┬┘───│ ││ + ─┴┘┴ ┴└─┘└─┘┴ ┴ ┴ └─┘┴ + ` + "DMSG pseudoterminal GUI", + Run: func(_ *cobra.Command, _ []string) { + if _, err := buildinfo.Get().WriteTo(log.Writer()); err != nil { + log.Printf("Failed to output build info: %v", err) + } + + ui := dmsgpty.NewUI(dmsgpty.NetUIDialer(hostNet, hostAddr), conf) + logrus. + WithField("addr", addr). + Info("Serving.") + + srv := &http.Server{ + ReadTimeout: 3 * time.Second, + WriteTimeout: 3 * time.Second, + IdleTimeout: 30 * time.Second, + ReadHeaderTimeout: 3 * time.Second, + Addr: addr, + Handler: ui.Handler(nil), + } + + err := srv.ListenAndServe() + logrus. + WithError(err). + Info("Stopped serving.") + }, +} + +// Execute executes the root command. +func Execute() { + if err := RootCmd.Execute(); err != nil { + os.Exit(1) + } +} diff --git a/cmd/dmsgpty-ui/commands/root.go b/cmd/dmsgpty-ui/commands/root.go deleted file mode 100644 index 44f754c06..000000000 --- a/cmd/dmsgpty-ui/commands/root.go +++ /dev/null @@ -1,77 +0,0 @@ -// Package commands cmd/dmsgpty-ui/commands/root.go -package commands - -import ( - "log" - "net/http" - "os" - "time" - - "github.com/sirupsen/logrus" - "github.com/skycoin/skywire-utilities/pkg/buildinfo" - "github.com/skycoin/skywire-utilities/pkg/cmdutil" - "github.com/spf13/cobra" - - "github.com/skycoin/dmsg/pkg/dmsgpty" -) - -var ( - hostNet = dmsgpty.DefaultCLINet - hostAddr = dmsgpty.DefaultCLIAddr() - addr = ":8080" - conf = dmsgpty.DefaultUIConfig() -) - -func init() { - RootCmd.PersistentFlags().StringVar(&hostNet, "hnet", hostNet, - "dmsgpty-host network name") - - RootCmd.PersistentFlags().StringVar(&hostAddr, "haddr", hostAddr, - "dmsgpty-host network address") - - RootCmd.PersistentFlags().StringVar(&addr, "addr", addr, - "network address to serve UI on") - - RootCmd.PersistentFlags().StringVar(&conf.CmdName, "cmd", conf.CmdName, - "command to run when initiating pty") - - RootCmd.PersistentFlags().StringArrayVar(&conf.CmdArgs, "arg", conf.CmdArgs, - "command arguments to include when initiating pty") -} - -// RootCmd contains commands to start a dmsgpty-ui server for a dmsgpty-host -var RootCmd = &cobra.Command{ - Use: cmdutil.RootCmdName(), - Short: "hosts a UI server for a dmsgpty-host", - Run: func(cmd *cobra.Command, args []string) { - if _, err := buildinfo.Get().WriteTo(log.Writer()); err != nil { - log.Printf("Failed to output build info: %v", err) - } - - ui := dmsgpty.NewUI(dmsgpty.NetUIDialer(hostNet, hostAddr), conf) - logrus. - WithField("addr", addr). - Info("Serving.") - - srv := &http.Server{ - ReadTimeout: 3 * time.Second, - WriteTimeout: 3 * time.Second, - IdleTimeout: 30 * time.Second, - ReadHeaderTimeout: 3 * time.Second, - Addr: addr, - Handler: ui.Handler(nil), - } - - err := srv.ListenAndServe() - logrus. - WithError(err). - Info("Stopped serving.") - }, -} - -// Execute executes the root command. -func Execute() { - if err := RootCmd.Execute(); err != nil { - os.Exit(1) - } -} diff --git a/cmd/dmsgpty-ui/dmsgpty-ui.go b/cmd/dmsgpty-ui/dmsgpty-ui.go index 6a7145876..a00e1415b 100644 --- a/cmd/dmsgpty-ui/dmsgpty-ui.go +++ b/cmd/dmsgpty-ui/dmsgpty-ui.go @@ -1,7 +1,15 @@ // Package main cmd/dmsgpty-ui/dmsgpty-ui.go package main -import "github.com/skycoin/dmsg/cmd/dmsgpty-ui/commands" +import ( + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/flags" + + "github.com/skycoin/dmsg/cmd/dmsgpty-ui/commands" +) + +func init() { + flags.InitFlags(commands.RootCmd, true) +} func main() { commands.Execute() diff --git a/cmd/dmsgweb/README.md b/cmd/dmsgweb/README.md new file mode 100644 index 000000000..c5fe77fa2 --- /dev/null +++ b/cmd/dmsgweb/README.md @@ -0,0 +1,80 @@ + + + +``` +$ go run cmd/dmsgweb/dmsgweb.go --help + + ┌┬┐┌┬┐┌─┐┌─┐┬ ┬┌─┐┌┐ + │││││└─┐│ ┬│││├┤ ├┴┐ + ─┴┘┴ ┴└─┘└─┘└┴┘└─┘└─┘ +DMSG resolving proxy & browser client - access websites and http interfaces over dmsg +.conf file may also be specified with +DMSGWEB=/path/to/dmsgweb.conf skywire dmsg web + +Usage: + dmsgweb + +Available Commands: + completion Generate the autocompletion script for the specified shell + srv Serve HTTP or raw TCP from local port over DMSG + +Flags: + -r, --addproxy string configure additional socks5 proxy for dmsgweb (i.e. 127.0.0.1:1080) + + -D, --dmsg-disc string dmsg discovery url + (default "http://dmsgd.skywire.skycoin.com") + -z, --envs show example .conf file + + -f, --filter string domain suffix to filter + (default ".dmsg") + -l, --loglvl string [ debug | warn | error | fatal | panic | trace | info ] + + -p, --port uints port(s) to serve the web application + (default [8080]) + -x, --proxy string connect to dmsg via proxy (i.e. '127.0.0.1:1080') + + -t, --resolve strings resolve the specified dmsg address:port on the local port & disable proxy + + -c, --rt bools proxy local port as raw TCP + (default [false]) + -e, --sess int number of dmsg servers to connect to + (default 1) + -s, --sk cipher.SecKey a random key is generated if unspecified + (default 0000000000000000000000000000000000000000000000000000000000000000) + -q, --socks uint port to serve the socks5 proxy + (default 4445) + -v, --version version for dmsgweb + +``` + +``` +$ go run cmd/dmsgweb/dmsgweb.go srv --help +DMSG web server - serve HTTP or raw TCP interface from local port over DMSG + .conf file may also be specified with DMSGWEBSRV=/path/to/dmsgwebsrv.conf skywire dmsg web srv + +Usage: + dmsgweb srv [flags] + +Flags: + -D, --dmsg-disc string DMSG discovery URL + (default "http://dmsgd.skywire.skycoin.com") + -d, --dport uints DMSG port(s) to serve + (default [80]) + -e, --dsess int DMSG sessions + (default 1) + -z, --envs show example .conf file + + -l, --loglvl string [ debug | warn | error | fatal | panic | trace | info ] + + -p, --lport uints local application interface port(s) + (default [8086]) + -x, --proxy string connect to DMSG via proxy (e.g., '127.0.0.1:1080') + + -c, --rt bools proxy local port as raw TCP, comma separated + (default [false]) + -s, --sk cipher.SecKey a random key is generated if unspecified + (default 0000000000000000000000000000000000000000000000000000000000000000) + -w, --wl strings whitelisted keys for DMSG authenticated routes + + +``` diff --git a/cmd/dmsgweb/commands/dmsgweb.go b/cmd/dmsgweb/commands/dmsgweb.go new file mode 100644 index 000000000..fb33cb15a --- /dev/null +++ b/cmd/dmsgweb/commands/dmsgweb.go @@ -0,0 +1,477 @@ +// Package commands cmd/dmsgweb/commands/dmsgweb.go +package commands + +import ( + "context" + "fmt" + "io" + "net" + "net/http" + "os" + "path/filepath" + "regexp" + "strconv" + "strings" + "sync" + + "github.com/chen3feng/safecast" + "github.com/confiant-inc/go-socks5" + "github.com/gin-gonic/gin" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/buildinfo" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cmdutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + "github.com/spf13/cobra" + "golang.org/x/net/proxy" + + "github.com/skycoin/dmsg/internal/cli" + "github.com/skycoin/dmsg/internal/flags" + dmsg "github.com/skycoin/dmsg/pkg/dmsg" + "github.com/skycoin/dmsg/pkg/dmsghttp" +) + +type customResolver struct{} + +func (r *customResolver) Resolve(ctx context.Context, name string) (context.Context, net.IP, error) { + regexPattern := `\.` + filterDomainSuffix + `(:[0-9]+)?$` + match, _ := regexp.MatchString(regexPattern, name) //nolint:errcheck + if match { + ip := net.ParseIP("127.0.0.1") + if ip == nil { + return ctx, nil, fmt.Errorf("failed to parse IP address") + } + ctx = context.WithValue(ctx, "port", fmt.Sprintf("%v", webPort)) //nolint + return ctx, ip, nil + } + return ctx, nil, nil +} + +const dwenv = "DMSGWEB" + +var dwcfg = os.Getenv(dwenv) + +func init() { + webPort = scriptExecUintSlice("${WEBPORT[@]:-8080}", dwcfg) + proxyPort = scriptExecUint("${PROXYPORT:-4445}", dwcfg) + addProxy = scriptExecString("${ADDPROXY}", dwcfg) + resolveDmsgAddr = scriptExecStringSlice("${RESOLVEPK[@]}", dwcfg) + rawTCP = scriptExecBoolSlice("${RAWTCP[@]:-false}", dwcfg) + if os.Getenv("DMSGWEBSK") != "" { + sk.Set(os.Getenv("DMSGWEBSK")) //nolint + } + if scriptExecString("${DMSGWEBSK}", dwcfg) != "" { + sk.Set(scriptExecString("${DMSGWEBSK}", dwcfg)) //nolint + } + pk, _ = sk.PubKey() //nolint + + flags.InitFlags(RootCmd) + RootCmd.Flags().StringVarP(&filterDomainSuffix, "filter", "f", ".dmsg", "domain suffix to filter\033[0m\n\r") + RootCmd.Flags().UintVarP(&proxyPort, "socks", "q", proxyPort, "port to serve the socks5 proxy\033[0m\n\r") + RootCmd.Flags().StringVarP(&addProxy, "addproxy", "r", addProxy, "configure additional socks5 proxy for dmsgweb (i.e. 127.0.0.1:1080)\033[0m\n\r") + RootCmd.Flags().UintSliceVarP(&webPort, "port", "p", webPort, "port(s) to serve the web application\033[0m\n\r") + RootCmd.Flags().StringSliceVarP(&resolveDmsgAddr, "resolve", "t", resolveDmsgAddr, "resolve the specified dmsg address:port on the local port & disable proxy\033[0m\n\r") + RootCmd.Flags().StringVarP(&proxyAddr, "proxy", "x", "", "connect to DMSG via proxy (i.e. '127.0.0.1:1080')\033[0m\n\r") + RootCmd.Flags().BoolSliceVarP(&rawTCP, "rt", "c", rawTCP, "proxy to local port as raw TCP, comma separated\033[0m\n\r") + RootCmd.Flags().StringVarP(&logLvl, "loglvl", "l", "debug", "[ debug | warn | error | fatal | panic | trace | info ]\033[0m\n\r") + RootCmd.Flags().VarP(&sk, "sk", "s", "a random key is generated if unspecified\n\r") + RootCmd.Flags().BoolVarP(&isEnvs, "envs", "E", false, "show example .conf file\033[0m\n\r") + +} + +// RootCmd contains the root command for dmsgweb +var RootCmd = &cobra.Command{ + Use: func() string { + return strings.Split(filepath.Base(strings.ReplaceAll(strings.ReplaceAll(fmt.Sprintf("%v", os.Args), "[", ""), "]", "")), " ")[0] + }(), + Short: "DMSG resolving proxy & browser client", + Long: ` + ┌┬┐┌┬┐┌─┐┌─┐┬ ┬┌─┐┌┐ + │││││└─┐│ ┬│││├┤ ├┴┐ + ─┴┘┴ ┴└─┘└─┘└┴┘└─┘└─┘ +DMSG resolving proxy & browser client - access websites, HTTP & TCP interfaces over DMSG` + func() string { + if _, err := os.Stat(dwcfg); err == nil { + return ` +dmsgweb conf file detected: ` + dwcfg + } + return ` +.conf file may also be specified with +` + dwenv + `=/path/to/dmsgweb.conf skywire dmsg web` + }(), + SilenceErrors: true, + SilenceUsage: true, + DisableSuggestions: true, + DisableFlagsInUseLine: true, + Version: buildinfo.Version(), + PreRun: func(_ *cobra.Command, _ []string) { + if isEnvs { + printEnvs(envfileLinux) + } + if logLvl != "" { + if lvl, err := logging.LevelFromString(logLvl); err == nil { + logging.SetLevel(lvl) + } + } + dlog = logging.MustGetLogger("dmsgweb") + + err = flags.InitConfig() + if err != nil { + dlog.WithError(err).Fatal("Failed to read specified dmsghttp-config") + } + + if flags.DmsgDiscURL == "" { + dlog.Fatal("Dmsg Discovery Server URL not specified") + } + if flags.DmsgDiscURL == "" { + dlog.Fatal("Dmsg Discovery Server dmsg address not specified") + } + + if len(resolveDmsgAddr) > 0 && len(webPort) != len(resolveDmsgAddr) { + dlog.Fatal("--resolve -t flag cannot contain a different number of elements than --port -p flag") + } + if len(resolveDmsgAddr) == 0 && len(webPort) > 1 { + dlog.Fatal("--port -p flag cannot specify multiple ports without specifying multiple dmsg address:port(s) to --resolve -t flag") + } + + seenResolveDmsgAddr := make(map[string]bool) + for _, item := range resolveDmsgAddr { + if seenResolveDmsgAddr[item] { + dlog.Fatal("--resolve -t flag cannot contain duplicates") + } + seenResolveDmsgAddr[item] = true + } + + seenWebPort := make(map[uint]bool) + for _, item := range webPort { + if seenWebPort[item] { + dlog.Fatal("--port -p flag cannot contain duplicates") + } + seenWebPort[item] = true + } + + if len(rawTCP) < len(resolveDmsgAddr) { + for len(rawTCP) < len(resolveDmsgAddr) { + rawTCP = append(rawTCP, false) + } + } else if len(rawTCP) > len(resolveDmsgAddr) { + rawTCP = rawTCP[:len(resolveDmsgAddr)] + } + if len(webPort) == 0 { + dlog.Fatal("webPort is empty. Ensure at least one port is specified.") + } + if filterDomainSuffix == "" { + dlog.Fatal("domain suffix to filter cannot be an empty string") + } + }, + Run: func(_ *cobra.Command, _ []string) { + ctx, cancel := cmdutil.SignalContext(context.Background(), dlog) + defer cancel() + + pk, err = sk.PubKey() + if err != nil { + pk, sk = cipher.GenerateKeyPair() + } + dlog.Info("dmsg client pk: ", pk.String()) + if len(resolveDmsgAddr) > 0 { + dialPK = make([]cipher.PubKey, len(resolveDmsgAddr)) + dmsgPorts = make([]uint, len(resolveDmsgAddr)) + + for i, dmsgaddr := range resolveDmsgAddr { + dlog.Info("dmsg address to dial: ", dmsgaddr) + + // Split the address into public key and port + parts := strings.Split(dmsgaddr, ":") + if len(parts) < 1 || parts[0] == "" { + dlog.Fatal("Invalid dmsg address format. Expected [:]") + } + + // Parse the public key + var pk cipher.PubKey + if err := pk.Set(parts[0]); err != nil { + dlog.WithError(err).Fatal("Failed to parse public key from dmsg address") + } + dialPK[i] = pk + dlog.Info("Parsed public key: ", pk) + + // Parse the port or use the default (80) + port := uint(80) // Default port + if len(parts) > 1 && parts[1] != "" { + parsedPort, err := strconv.ParseUint(parts[1], 10, 16) // Ports are 16-bit unsigned integers + if err != nil { + dlog.WithError(err).Fatal("Failed to parse dmsg port") + } + port = uint(parsedPort) + } + dmsgPorts[i] = port + dlog.Info("Parsed port: ", port) + } + } + + httpClient = &http.Client{} + + if proxyAddr != "" { + dialer, err = proxy.SOCKS5("tcp", proxyAddr, nil, proxy.Direct) + if err != nil { + dlog.WithError(err).Fatal("Error creating SOCKS5 dialer") + } + transport := &http.Transport{ + Dial: dialer.Dial, + } + httpClient = &http.Client{ + Transport: transport, + } + ctx = context.WithValue(context.Background(), "socks5_proxy", proxyAddr) //nolint + } + + dmsgC, closeDmsg, err = cli.InitDmsgWithFlags(ctx, dlog, pk, sk, httpClient, "") + if err != nil { + dlog.WithError(err).Error("Error connecting to dmsg network") + return + } + defer closeDmsg() + + httpC = http.Client{Transport: dmsghttp.MakeHTTPTransport(ctx, dmsgC)} + + if len(resolveDmsgAddr) == 0 { + conf := &socks5.Config{ + Resolver: &customResolver{}, + Dial: func(ctx context.Context, network, addr string) (net.Conn, error) { + host, _, err := net.SplitHostPort(addr) + if err != nil { + return nil, err + } + regexPattern := `\` + filterDomainSuffix + `(:[0-9]+)?$` + match, _ := regexp.MatchString(regexPattern, host) //nolint:errcheck + if match { + port, ok := ctx.Value("port").(string) + if !ok { + port = fmt.Sprintf("%v", webPort) + } + addr = "localhost:" + port + } else { + if addProxy != "" { + dialer, err := proxy.SOCKS5("tcp", addProxy, nil, proxy.Direct) + if err != nil { + return nil, err + } + return dialer.Dial(network, addr) + } + } + dlog.Debug("Dialing address:", addr) + return net.Dial(network, addr) + }, + } + + socksAddr := fmt.Sprintf("127.0.0.1:%v", proxyPort) + dlog.Debug("SOCKS5 proxy server started on", socksAddr) + + server, err := socks5.New(conf) + if err != nil { + dlog.WithError(err).Fatal("Failed to create SOCKS5 server") + } + + wg.Add(1) + go func() { + dlog.Debug("Serving SOCKS5 proxy on " + socksAddr) + err := server.ListenAndServe("tcp", socksAddr) + if err != nil { + dlog.WithError(err).Fatal("Failed to start SOCKS5 server") + } + defer server.Close() //nolint + dlog.Debug("Stopped serving SOCKS5 proxy on " + socksAddr) + }() + } + + if len(resolveDmsgAddr) == 0 && len(webPort) == 1 { + if len(rawTCP) > 0 && rawTCP[0] { + dlog.Debug("proxyTCPConn(-1)") + proxyTCPConn(-1) + } else { + dlog.Debug("proxyHTTPConn(-1)") + proxyHTTPConn(-1) + } + } else { + for i := range resolveDmsgAddr { + wg.Add(1) + if rawTCP[i] { + dlog.Debug("proxyTCPConn(" + fmt.Sprintf("%v", i) + ")") + go proxyTCPConn(i) + } else { + dlog.Debug("proxyHTTPConn(" + fmt.Sprintf("%v", i) + ")") + go proxyHTTPConn(i) + } + } + } + wg.Wait() + }, +} + +func proxyTCPConn(n int) { + var thiswebport uint + if n == -1 { + thiswebport = webPort[0] + } else { + thiswebport = webPort[n] + } + listener, err := net.Listen("tcp", fmt.Sprintf(":%v", thiswebport)) + if err != nil { + dlog.WithError(err).Fatal(fmt.Sprintf("Failed to start TCP listener on port: %v", thiswebport)) + } + defer listener.Close() //nolint + dlog.Debug("Serving TCP on 127.0.0.1:", thiswebport) + if dmsgC == nil { + dlog.Fatal("dmsgC is nil") + } + + for { + conn, err := listener.Accept() + if err != nil { + dlog.WithError(err).Warn("Failed to accept connection") + continue + } + + go func(conn net.Conn, n int, dmsgC *dmsg.Client) { + defer conn.Close() //nolint + dp, ok := safecast.To[uint16](dmsgPorts[n]) + if !ok { + dlog.Fatal("uint16 overflow when converting dmsg port") + } + dlog.Debug(fmt.Sprintf("Dialing %v:%v", dialPK[n].String(), dp)) + dmsgConn, err := dmsgC.DialStream(context.Background(), dmsg.Addr{PK: dialPK[n], Port: dp}) //nolint + if err != nil { + dlog.WithError(err).Warn(fmt.Sprintf("Failed to dial dmsg address %v port %v", dialPK[n].String(), dmsgPorts[n])) + return + } + + defer dmsgConn.Close() //nolint + + var wg sync.WaitGroup + wg.Add(2) + + go func() { + defer wg.Done() + _, err := io.Copy(dmsgConn, conn) + if err != nil { + dlog.WithError(err).Warn("Error on io.Copy(dmsgConn, conn)") + } + }() + + go func() { + defer wg.Done() + _, err := io.Copy(conn, dmsgConn) + if err != nil { + dlog.WithError(err).Warn("Error on io.Copy(conn, dmsgConn)") + } + }() + + wg.Wait() + }(conn, n, dmsgC) + } +} + +func proxyHTTPConn(n int) { + r := gin.New() + + r.Use(gin.Recovery()) + + r.Use(loggingMiddleware()) + + r.Any("/*path", func(c *gin.Context) { + var urlStr string + if n > -1 { + urlStr = fmt.Sprintf("dmsg://%s%s", resolveDmsgAddr[n], c.Param("path")) + if c.Request.URL.RawQuery != "" { + urlStr = fmt.Sprintf("%s?%s", urlStr, c.Request.URL.RawQuery) + } + } else { + hostParts := strings.Split(c.Request.Host, ":") + var dmsgp string + if len(hostParts) > 1 { + dmsgp = hostParts[1] + } else { + dmsgp = "80" + } + urlStr = fmt.Sprintf("dmsg://%s:%s%s", strings.TrimRight(hostParts[0], filterDomainSuffix), dmsgp, c.Param("path")) + if c.Request.URL.RawQuery != "" { + urlStr = fmt.Sprintf("%s?%s", urlStr, c.Request.URL.RawQuery) + } + } + + dlog.Debug(fmt.Sprintf("Proxying request: %s %s", c.Request.Method, urlStr)) + req, err := http.NewRequest(c.Request.Method, urlStr, c.Request.Body) + if err != nil { + c.String(http.StatusInternalServerError, "Failed to create HTTP request") + dlog.WithError(err).Warn("Failed to create HTTP request") + return + } + + for header, values := range c.Request.Header { + for _, value := range values { + req.Header.Add(header, value) + } + } + + resp, err := httpC.Do(req) + if err != nil { + c.String(http.StatusInternalServerError, "Failed to connect to HTTP server") + dlog.WithError(err).Warn("Failed to connect to HTTP server") + return + } + defer resp.Body.Close() //nolint + + for header, values := range resp.Header { + for _, value := range values { + c.Writer.Header().Add(header, value) + } + } + + c.Status(resp.StatusCode) + if _, err := io.Copy(c.Writer, resp.Body); err != nil { + c.String(http.StatusInternalServerError, "Failed to copy response body") + dlog.WithError(err).Warn("Failed to copy response body") + } + }) + wg.Add(1) + go func() { + var thiswebport uint + if n == -1 { + thiswebport = webPort[0] + } else { + thiswebport = webPort[n] + } + dlog.Debug(fmt.Sprintf("Serving http on: http://127.0.0.1:%v", thiswebport)) + r.Run(":" + fmt.Sprintf("%v", thiswebport)) //nolint + dlog.Debug(fmt.Sprintf("Stopped serving http on: http://127.0.0.1:%v", thiswebport)) + wg.Done() + }() +} + +const envfileLinux = //nolint unused +` +######################################################################### +#-- DMSG WEB CONFIG TEMPLATE +#-- Defaults shown +#-- Uncomment to change default value +#-- WEBPORT and DMSGPORT must contain the same number of elements +######################################################################### + +#-- Set port for proxy interface +#PROXYPORT=4445 + +#-- Configure additional socks5 proxy for dmsgweb to use to connect to dmsg +#ADDPROXY='127.0.0.1:1080' + +#-- Web Interface Port +#WEBPORT=('8080') + +#-- Resove a specific PK to the web port (also disables proxy) +#RESOLVEPK=('') + +#-- Use raw tcp mode instead of http (also disables proxy) +#RAWTCP=('false') + +#-- Dmsg port to use +#DMSGPORT=('80') + +#-- Set secret key +#DMSGWEBSK='' +` diff --git a/cmd/dmsgweb/commands/dmsgwebsrv.go b/cmd/dmsgweb/commands/dmsgwebsrv.go new file mode 100644 index 000000000..3bb56fa9d --- /dev/null +++ b/cmd/dmsgweb/commands/dmsgwebsrv.go @@ -0,0 +1,315 @@ +// Package commands cmd/dmsgweb/commands/dmsgwebsrv.go +package commands + +import ( + "context" + "fmt" + "io" + "net" + "net/http" + "net/http/httputil" + "net/url" + "os" + "sync" + "time" + + "github.com/gin-gonic/gin" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cmdutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + "github.com/spf13/cobra" + "golang.org/x/net/proxy" + + "github.com/skycoin/dmsg/internal/cli" + "github.com/skycoin/dmsg/internal/flags" +) + +const dwsenv = "DMSGWEBSRV" + +var dwscfg = os.Getenv(dwsenv) + +func init() { + dmsgPort = scriptExecUintSlice("${DMSGPORT[@]:-80}", dwscfg) + wl = scriptExecStringSlice("${WHITELISTPKS[@]}", dwscfg) + localPort = scriptExecUintSlice("${LOCALPORT[@]:-8086}", dwscfg) + rawTCP = scriptExecBoolSlice("${RAWTCP[@]:-false}", dwscfg) + if os.Getenv("DMSGWEBSRVSK") != "" { + sk.Set(os.Getenv("DMSGWEBSRVSK")) //nolint + } + if scriptExecString("${DMSGWEBSRVSK}", dwscfg) != "" { + sk.Set(scriptExecString("${DMSGWEBSRVSK}", dwscfg)) //nolint + } + pk, _ = sk.PubKey() //nolint + + RootCmd.AddCommand(srvCmd) + flags.InitFlags(srvCmd) + srvCmd.Flags().UintSliceVarP(&localPort, "lport", "p", localPort, "local application interface port(s)\033[0m\n\r") + srvCmd.Flags().UintSliceVarP(&dmsgPort, "dport", "d", dmsgPort, "DMSG port(s) to serve\033[0m\n\r") + srvCmd.Flags().StringSliceVarP(&wl, "wl", "w", wl, "whitelisted keys for DMSG authenticated routes"+func() string { + if len(wl) > 0 { + return "\033[0m\n\r" + } + return "" + }()) + srvCmd.Flags().StringVarP(&proxyAddr, "proxy", "x", proxyAddr, "connect to DMSG via proxy (e.g., '127.0.0.1:1080')") + srvCmd.Flags().BoolSliceVarP(&rawTCP, "rt", "c", rawTCP, "proxy local port as raw TCP, comma separated"+func() string { + if len(rawTCP) > 0 { + return "\033[0m\n\r" + } + return "" + }()) + srvCmd.Flags().StringVarP(&logLvl, "loglvl", "l", "debug", "[ debug | warn | error | fatal | panic | trace | info ]\033[0m\n\r") + srvCmd.Flags().BoolVarP(&isEnvs, "envs", "E", false, "show example .conf file") + srvCmd.Flags().VarP(&sk, "sk", "s", "a random key is generated if unspecified\033[0m\n\r") + srvCmd.CompletionOptions.DisableDefaultCmd = true +} + +var srvCmd = &cobra.Command{ + Use: "srv", + Short: "Serve HTTP or raw TCP from local port over DMSG", + Long: `DMSG web server - serve HTTP or raw TCP interface from local port over DMSG` + func() string { + if _, err := os.Stat(dwscfg); err == nil { + return "\n\t.dmsenv file detected: " + dwscfg + } + return "\n\t.conf file may also be specified with " + dwsenv + `=/path/to/dmsgwebsrv.conf skywire dmsg web srv` + }(), + PreRun: func(_ *cobra.Command, _ []string) { + if isEnvs { + printEnvs(srvenvfileLinux) + } + if logLvl != "" { + if lvl, err := logging.LevelFromString(logLvl); err == nil { + logging.SetLevel(lvl) + } + } + dlog = logging.MustGetLogger("dmsgwebsrv") + + err = flags.InitConfig() + if err != nil { + dlog.WithError(err).Fatal("Failed to read specified dmsghttp-config") + } + + if len(localPort) != len(dmsgPort) || len(localPort) != len(rawTCP) { + dlog.Fatal("The number of local ports, DMSG ports, and raw TCP bools must be the same") + } + pk, err = sk.PubKey() + if err != nil { + pk, sk = cipher.GenerateKeyPair() + } + dlog.Debugf("DMSG client public key: %v", pk.String()) + + if len(wl) > 0 { + for _, key := range wl { + var pk cipher.PubKey + if err := pk.Set(key); err == nil { + wlkeys = append(wlkeys, pk) + } + } + dlog.Infof("%d keys whitelisted", len(wlkeys)) + } + + }, + Run: func(_ *cobra.Command, _ []string) { + server() + }, +} + +func server() { + ctx, cancel := cmdutil.SignalContext(context.Background(), dlog) + defer cancel() + + if proxyAddr != "" { + // Use SOCKS5 proxy dialer if specified + dialer, err := proxy.SOCKS5("tcp", proxyAddr, nil, proxy.Direct) + if err != nil { + dlog.WithError(err).Fatal("Error creating SOCKS5 dialer") + } + transport := &http.Transport{ + Dial: dialer.Dial, + } + httpClient = &http.Client{ + Transport: transport, + } + ctx = context.WithValue(context.Background(), "socks5_proxy", proxyAddr) //nolint + } + + dmsgC, closeDmsg, err = cli.InitDmsgWithFlags(ctx, dlog, pk, sk, httpClient, "") + if err != nil { + dlog.WithError(err).Error("Error connecting to dmsg network") + return + } + defer closeDmsg() + + wg := sync.WaitGroup{} + for i := range localPort { + lis, err := dmsgC.Listen(uint16(dmsgPort[i])) //nolint + if err != nil { + dlog.Fatalf("Error listening on DMSG port %d: %v", dmsgPort[i], err) + } + wg.Add(1) + go func(ctx context.Context, localPort uint, rawTCP bool, listener net.Listener) { + defer wg.Done() + defer listener.Close() //nolint + + if rawTCP { + proxyTCPConnections(ctx, localPort, listener) + } else { + proxyHTTPConnections(ctx, localPort, listener) + } + }(ctx, localPort[i], rawTCP[i], lis) + } + wg.Wait() +} + +func proxyHTTPConnections(ctx context.Context, localPort uint, listener net.Listener) { + router := gin.New() + router.Use(gin.Recovery()) + router.Use(loggingMiddleware()) + + authRoute := router.Group("/") + if len(wlkeys) > 0 { + authRoute.Use(whitelistAuth(wlkeys)) + } + authRoute.Any("/*path", func(c *gin.Context) { + targetURL := fmt.Sprintf("http://127.0.0.1:%d%s?%s", localPort, c.Request.URL.Path, c.Request.URL.RawQuery) + proxy := httputil.ReverseProxy{Director: func(req *http.Request) { + req.URL, _ = url.Parse(targetURL) //nolint + req.Host = req.URL.Host + }} + proxy.ServeHTTP(c.Writer, c.Request) + }) + + server := &http.Server{ + Handler: router, + ReadHeaderTimeout: 5 * time.Second, + ReadTimeout: 10 * time.Second, + WriteTimeout: 10 * time.Second, + IdleTimeout: 60 * time.Second, + MaxHeaderBytes: 1 << 20, + } + + // Graceful shutdown on context cancellation + go func() { + <-ctx.Done() + if err := server.Shutdown(context.Background()); err != nil { + dlog.Errorf("HTTP server shutdown error: %v", err) + } + }() + + if err := server.Serve(listener); err != nil && err != http.ErrServerClosed { + dlog.Fatalf("HTTP server error: %v", err) + } +} + +func proxyTCPConnections(ctx context.Context, localPort uint, listener net.Listener) { + // To track active connections for cleanup + var connWg sync.WaitGroup + connChan := make(chan net.Conn) + activeConns := make(map[net.Conn]struct{}) + connMutex := &sync.Mutex{} // Protect access to activeConns + + // Goroutine to accept new connections + go func() { + defer close(connChan) + for { + conn, err := listener.Accept() + if err != nil { + select { + case <-ctx.Done(): + // Listener closed due to context cancellation + return + default: + dlog.Errorf("Error accepting connection: %v", err) + return + } + } + connChan <- conn + } + }() + + for { + select { + case <-ctx.Done(): + dlog.Info("Shutting down TCP proxy connections...") + listener.Close() //nolint + + connMutex.Lock() + for conn := range activeConns { + conn.Close() //nolint + } + connMutex.Unlock() + + connWg.Wait() + return + + case conn, ok := <-connChan: + if !ok { + return + } + + connMutex.Lock() + activeConns[conn] = struct{}{} + connMutex.Unlock() + + connWg.Add(1) + go func(dmsgConn net.Conn) { + defer connWg.Done() + defer dmsgConn.Close() //nolint + + localConn, err := net.Dial("tcp", fmt.Sprintf("127.0.0.1:%d", localPort)) + if err != nil { + dlog.Errorf("Error connecting to local port %d: %v", localPort, err) + + connMutex.Lock() + delete(activeConns, dmsgConn) + connMutex.Unlock() + + return + } + defer localConn.Close() //nolint + + go func() { + _, err1 := io.Copy(dmsgConn, localConn) + if err1 != nil { + dlog.WithError(err1).Warn("Error on io.Copy(dmsgConn, localConn)") + } + }() + _, err2 := io.Copy(localConn, dmsgConn) + if err2 != nil { + dlog.WithError(err2).Warn("Error on io.Copy(localConn, dmsgConn)") + } + + connMutex.Lock() + delete(activeConns, dmsgConn) + connMutex.Unlock() + }(conn) + } + } +} + +const srvenvfileLinux = ` +######################################################################### +#-- DMSG WEB SRV CONFIG TEMPLATE +#-- Defaults shown +#-- Uncomment to change default value +#-- LOCALPORT, DMSGPORT, and RAWTCP must contain the same number of elements +######################################################################### + +#-- DMSG port to serve +#DMSGPORT=('80') + +#-- Local Port to serve over dmsg +#LOCALPORT=('8086') + +#-- Number of dmsg servers to connect to (0 unlimits) +#DMSGSESSIONS=1 + +#-- Set secret key +#DMSGWEBSK='' + +#-- Whitelisted keys to access the web interface +#WHITELISTPKS=('') + +#-- Proxy as raw TCP +#RAWTCP=('false') +` diff --git a/cmd/dmsgweb/commands/root.go b/cmd/dmsgweb/commands/root.go new file mode 100644 index 000000000..e901cab74 --- /dev/null +++ b/cmd/dmsgweb/commands/root.go @@ -0,0 +1,416 @@ +// Package commands cmd/dmsgweb/commands/root.go +package commands + +import ( + "fmt" + "log" + "net" + "net/http" + "os" + "runtime" + "strconv" + "strings" + "sync" + "time" + + "github.com/bitfield/script" + "github.com/chen3feng/safecast" + "github.com/gin-gonic/gin" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + "golang.org/x/net/proxy" + + dmsg "github.com/skycoin/dmsg/pkg/dmsg" +) + +var ( + dlog *logging.Logger + httpC http.Client + dmsgC *dmsg.Client + closeDmsg func() + proxyAddr string + dmsgAddr []string //nolint unused + dialPK []cipher.PubKey + filterDomainSuffix string + sk cipher.SecKey + pk cipher.PubKey + dmsgWebLog *logging.Logger //nolint unused + logLvl string + webPort []uint + proxyPort uint + addProxy string + resolveDmsgAddr []string + wg sync.WaitGroup + isEnvs bool + dmsgPort []uint + dmsgPorts []uint + wl []string + wlkeys []cipher.PubKey + localPort []uint + err error + rawTCP []bool + httpClient *http.Client //nolint unused + dialer proxy.Dialer = proxy.Direct +) + +// Execute executes root CLI command. +func Execute() { + if err := RootCmd.Execute(); err != nil { + log.Fatal("Failed to execute command: ", err) + } +} + +func printEnvs(envfile string) { + if runtime.GOOS == "windows" { + envfileslice, _ := script.Echo(envfile).Slice() //nolint + for i := range envfileslice { + efs, _ := script.Echo(envfileslice[i]).Reject("##").Reject("#-").Reject("# ").Replace("#", "#$").String() //nolint + if efs != "" && efs != "\n" { + envfileslice[i] = strings.ReplaceAll(efs, "\n", "") + } + } + envfile = strings.Join(envfileslice, "\n") + } + fmt.Println(envfile) + os.Exit(0) +} + +//TODO: these functions are more or less duplicated in several places - need to standardize and put in it's own library import in "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/..." + +func scriptExecString(s, envfile string) string { + if runtime.GOOS == "windows" { + var variable, defaultvalue string + if strings.Contains(s, ":-") { + parts := strings.SplitN(s, ":-", 2) + variable = parts[0] + "}" + defaultvalue = strings.TrimRight(parts[1], "}") + } else { + variable = s + defaultvalue = "" + } + out, err := script.Exec(fmt.Sprintf(`powershell -c '$SKYENV = "%s"; if ($SKYENV -ne "" -and (Test-Path $SKYENV)) { . $SKYENV }; echo %s"`, envfile, variable)).String() + if err == nil { + if (out == "") || (out == variable) { + return defaultvalue + } + return strings.TrimRight(out, "\n") + } + return defaultvalue + } + z, err := script.Exec(fmt.Sprintf(`sh -c 'SKYENV=%s ; if [[ $SKYENV != "" ]] && [[ -f $SKYENV ]] ; then source $SKYENV ; fi ; printf "%s"'`, envfile, s)).String() + if err == nil { + return strings.TrimSpace(z) + } + return "" +} + +/* + func scriptExecArray(s, envfile string) string { + if runtime.GOOS == "windows" { + variable := s + if strings.Contains(variable, "[@]}") { + variable = strings.TrimRight(variable, "[@]}") + variable = strings.TrimRight(variable, "{") + } + out, err := script.Exec(fmt.Sprintf(`powershell -c '$SKYENV = "%s"; if ($SKYENV -ne "" -and (Test-Path $SKYENV)) { . $SKYENV }; foreach ($item in %s) { Write-Host $item }'`, envfile, variable)).Slice() + if err == nil { + if len(out) != 0 { + return "" + } + return strings.Join(out, ",") + } + } + y, err := script.Exec(fmt.Sprintf(`bash -c 'SKYENV=%s ; if [[ $SKYENV != "" ]] && [[ -f $SKYENV ]] ; then source $SKYENV ; fi ; for _i in %s ; do echo "$_i" ; done'`, envfile, s)).Slice() + if err == nil { + return strings.Join(y, ",") + } + return "" + } +*/ + +func scriptExecStringSlice(s, envfile string) []string { + if runtime.GOOS == "windows" { + variable := s + if strings.Contains(variable, "[@]}") { + variable = strings.TrimRight(variable, "[@]}") + variable = strings.TrimRight(variable, "{") + } + out, err := script.Exec(fmt.Sprintf(`powershell -c '$SKYENV = "%s"; if ($SKYENV -ne "" -and (Test-Path $SKYENV)) { . $SKYENV }; foreach ($item in %s) { Write-Host $item }'`, envfile, variable)).Slice() + if err == nil { + return out + } + } + y, err := script.Exec(fmt.Sprintf(`bash -c 'SKYENV=%s ; if [[ $SKYENV != "" ]] && [[ -f $SKYENV ]] ; then source $SKYENV ; fi ; for _i in %s ; do echo "$_i" ; done'`, envfile, s)).Slice() + if err == nil { + return y + } + return []string{} +} + +func scriptExecBoolSlice(s, envfile string) []bool { + var result []bool + + if runtime.GOOS == "windows" { + variable := s + if strings.Contains(variable, "[@]}") { + variable = strings.TrimRight(variable, "[@]}") + variable = strings.TrimRight(variable, "{") + } + out, err := script.Exec(fmt.Sprintf(`powershell -c '$SKYENV = "%s"; if ($SKYENV -ne "" -and (Test-Path $SKYENV)) { . $SKYENV }; foreach ($item in %s) { Write-Host $item }'`, envfile, variable)).Slice() + if err == nil { + for _, item := range out { + result = append(result, item != "") + } + return result + } + } else { + y, err := script.Exec(fmt.Sprintf(`bash -c 'SKYENV=%s ; if [[ $SKYENV != "" ]] && [[ -f $SKYENV ]] ; then source $SKYENV ; fi ; for _i in %s ; do echo "$_i" ; done'`, envfile, s)).Slice() + if err == nil { + for _, item := range y { + switch strings.ToLower(item) { + case "true": + result = append(result, true) + case "false": + result = append(result, false) + default: + result = append(result, false) + } + } + return result + } + } + if len(result) == 0 { + result = append(result, false) + } + return result +} + +func scriptExecUintSlice(s, envfile string) []uint { + var out []string + var err error + + if runtime.GOOS == "windows" { + variable := s + if strings.Contains(variable, "[@]}") { + variable = strings.TrimRight(variable, "[@]}") + variable = strings.TrimRight(variable, "{") + } + out, err = script.Exec(fmt.Sprintf(`powershell -c '$SKYENV = "%s"; if ($SKYENV -ne "" -and (Test-Path $SKYENV)) { . $SKYENV }; foreach ($item in %s) { Write-Host $item }'`, envfile, variable)).Slice() + } else { + out, err = script.Exec(fmt.Sprintf(`bash -c 'SKYENV=%s ; if [[ $SKYENV != "" ]] && [[ -f $SKYENV ]] ; then source $SKYENV ; fi ; for _i in %s ; do echo "$_i" ; done'`, envfile, s)).Slice() + } + + if err != nil { + return []uint{} + } + + var res []uint + for _, item := range out { + num, err := strconv.ParseUint(item, 10, 64) + if err == nil { + res = append(res, uint(num)) + } + } + + return res +} + +/* +func scriptExecInt(s, envfile string) int { + if runtime.GOOS == "windows" { + var variable string + if strings.Contains(s, ":-") { + parts := strings.SplitN(s, ":-", 2) + variable = parts[0] + "}" + } else { + variable = s + } + out, err := script.Exec(fmt.Sprintf(`powershell -c '$SKYENV = "%s"; if ($SKYENV -ne "" -and (Test-Path $SKYENV)) { . $SKYENV }; echo %s"`, envfile, variable)).String() + if err == nil { + if (out == "") || (out == variable) { + return 0 + } + i, err := strconv.Atoi(strings.TrimSpace(strings.TrimRight(out, "\n"))) + if err == nil { + return i + } + return 0 + } + return 0 + } + z, err := script.Exec(fmt.Sprintf(`sh -c 'SKYENV=%s ; if [[ $SKYENV != "" ]] && [[ -f $SKYENV ]] ; then source $SKYENV ; fi ; printf "%s"'`, envfile, s)).String() + if err == nil { + if z == "" { + return 0 + } + i, err := strconv.Atoi(z) + if err == nil { + return i + } + } + return 0 +} +*/ + +func scriptExecUint(s, envfile string) uint { + if runtime.GOOS == "windows" { + var variable string + if strings.Contains(s, ":-") { + parts := strings.SplitN(s, ":-", 2) + variable = parts[0] + "}" + } else { + variable = s + } + out, err := script.Exec(fmt.Sprintf(`powershell -c '$SKYENV = "%s"; if ($SKYENV -ne "" -and (Test-Path $SKYENV)) { . $SKYENV }; echo %s"`, envfile, variable)).String() + if err == nil { + if (out == "") || (out == variable) { + return 0 + } + i, err := strconv.Atoi(strings.TrimSpace(strings.TrimRight(out, "\n"))) + if err == nil { + u, ok := safecast.To[uint](i) + if !ok { + log.Fatal("uint overflow") + } + return u + } + return 0 + } + return 0 + } + z, err := script.Exec(fmt.Sprintf(`sh -c 'SKYENV=%s ; if [[ $SKYENV != "" ]] && [[ -f $SKYENV ]] ; then source $SKYENV ; fi ; printf "%s"'`, envfile, s)).String() + if err == nil { + if z == "" { + return 0 + } + i, err := strconv.Atoi(z) + if err == nil { + u, ok := safecast.To[uint](i) + if !ok { + log.Fatal("uint overflow") + } + return u + } + } + return uint(0) +} + +func whitelistAuth(whitelistedPKs []cipher.PubKey) gin.HandlerFunc { + return func(c *gin.Context) { + remotePK, _, err := net.SplitHostPort(c.Request.RemoteAddr) + if err != nil { + c.Writer.WriteHeader(http.StatusInternalServerError) + c.Writer.Write([]byte("500 Internal Server Error")) //nolint + c.AbortWithStatus(http.StatusInternalServerError) + return + } + whitelisted := false + if len(whitelistedPKs) == 0 { + whitelisted = true + } else { + for _, whitelistedPK := range whitelistedPKs { + if remotePK == whitelistedPK.String() { + whitelisted = true + break + } + } + } + if whitelisted { + c.Next() + } else { + c.Writer.WriteHeader(http.StatusUnauthorized) + c.Writer.Write([]byte("401 Unauthorized")) //nolint + c.AbortWithStatus(http.StatusUnauthorized) + return + } + } +} + +type ginHandler struct { //nolint unused + Router *gin.Engine +} + +func (h *ginHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) { //nolint unused + h.Router.ServeHTTP(w, r) +} + +func loggingMiddleware() gin.HandlerFunc { + return func(c *gin.Context) { + start := time.Now() + c.Next() + latency := time.Since(start) + if latency > time.Minute { + latency = latency.Truncate(time.Second) + } + statusCode := c.Writer.Status() + method := c.Request.Method + path := c.Request.URL.Path + // Get the background color based on the status code + statusCodeBackgroundColor := getBackgroundColor(statusCode) + // Get the method color + methodColor := getMethodColor(method) + // Print the logging in a custom format which includes the publickeyfrom c.Request.RemoteAddr ex.: + // [DMSGHTTP] 2023/05/18 - 19:43:15 | 200 | 10.80885ms | | 02b5ee5333aa6b7f5fc623b7d5f35f505cb7f974e98a70751cf41962f84c8c4637:49153 | GET /node-info.json + fmt.Printf("[DMSGWEB] %s |%s %3d %s| %13v | %15s | %72s |%s %-7s %s %s\n", + time.Now().Format("2006/01/02 - 15:04:05"), + statusCodeBackgroundColor, + statusCode, + resetColor(), + latency, + c.ClientIP(), + c.Request.RemoteAddr, + methodColor, + method, + resetColor(), + path, + ) + } +} +func getBackgroundColor(statusCode int) string { + switch { + case statusCode >= http.StatusOK && statusCode < http.StatusMultipleChoices: + return green + case statusCode >= http.StatusMultipleChoices && statusCode < http.StatusBadRequest: + return white + case statusCode >= http.StatusBadRequest && statusCode < http.StatusInternalServerError: + return yellow + default: + return red + } +} + +func getMethodColor(method string) string { + switch method { + case http.MethodGet: + return blue + case http.MethodPost: + return cyan + case http.MethodPut: + return yellow + case http.MethodDelete: + return red + case http.MethodPatch: + return green + case http.MethodHead: + return magenta + case http.MethodOptions: + return white + default: + return reset + } +} + +func resetColor() string { + return reset +} + +const ( + green = "\033[97;42m" + white = "\033[90;47m" + yellow = "\033[90;43m" + red = "\033[97;41m" + blue = "\033[97;44m" + magenta = "\033[97;45m" + cyan = "\033[97;46m" + reset = "\033[0m" +) diff --git a/cmd/dmsgweb/dmsgweb.go b/cmd/dmsgweb/dmsgweb.go new file mode 100644 index 000000000..ad3e00c54 --- /dev/null +++ b/cmd/dmsgweb/dmsgweb.go @@ -0,0 +1,16 @@ +// Package main cmd/dmsgweb/dmsgweb.go +package main + +import ( + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/flags" + + "github.com/skycoin/dmsg/cmd/dmsgweb/commands" +) + +func init() { + flags.InitFlags(commands.RootCmd, true) +} + +func main() { + commands.Execute() +} diff --git a/dmsg.go b/dmsg.go index 3afc5f67f..770dc21ce 100644 --- a/dmsg.go +++ b/dmsg.go @@ -1,6 +1,16 @@ -/* -This file is a workaround to avoid go module errors. -*/ +// Package main dmsg.go +package main -// Package dmsg dmsg.go -package dmsg +import ( + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/flags" + + "github.com/skycoin/dmsg/cmd/dmsg/commands" +) + +func init() { + flags.InitFlags(commands.RootCmd, false) +} + +func main() { + commands.Execute() +} diff --git a/docker/docker-compose.e2e.yml b/docker/docker-compose.e2e.yml new file mode 100644 index 000000000..fc30df40c --- /dev/null +++ b/docker/docker-compose.e2e.yml @@ -0,0 +1,63 @@ +networks: + dmsg: + driver: "bridge" + ipam: + config: + - subnet: 172.20.0.0/16 + driver_opts: + com.docker.network.bridge.name: br-dmsg-e2e + +services: + redis: + image: "redis:alpine" + container_name: "dmsg-e2e-redis" + hostname: redis + networks: + dmsg: + ipv4_address: 172.20.0.2 + ports: + - "6380:6379" + + dmsg-discovery: + build: + context: .. + dockerfile: docker/images/dmsg-discovery/Dockerfile + container_name: "dmsg-e2e-discovery" + hostname: dmsg-discovery + networks: + dmsg: + ipv4_address: 172.20.0.3 + ports: + - "9090:9090" + depends_on: + - redis + command: ["--addr", ":9090", "--redis", "redis://redis:6379", "--sk", "b3f6706cb72215d3873ef92cc0c6037a47fe651112b1685017d6347eed0fb714", "-t"] + + dmsg-server: + build: + context: .. + dockerfile: docker/images/dmsg-server/Dockerfile + container_name: "dmsg-e2e-server" + hostname: dmsg-server + networks: + dmsg: + ipv4_address: 172.20.0.4 + ports: + - "8080:8080" + depends_on: + - dmsg-discovery + command: ["start", "/e2e/dmsg-server.json"] + + dmsg-client: + build: + context: .. + dockerfile: docker/images/dmsg-client/Dockerfile + container_name: "dmsg-e2e-client" + hostname: dmsg-client + networks: + dmsg: + ipv4_address: 172.20.0.5 + depends_on: + - dmsg-server + entrypoint: ["/bin/sh"] + command: ["-c", "sleep infinity"] diff --git a/docker/images/dmsg-client/Dockerfile b/docker/images/dmsg-client/Dockerfile new file mode 100644 index 000000000..deafe6a15 --- /dev/null +++ b/docker/images/dmsg-client/Dockerfile @@ -0,0 +1,24 @@ +# Builder +ARG base_image=golang:1.25-alpine +FROM ${base_image} AS builder + +ARG CGO_ENABLED=0 +ENV CGO_ENABLED=${CGO_ENABLED} \ + GOOS=linux \ + GO111MODULE=on + +COPY . /dmsg +WORKDIR /dmsg + +RUN go build -o /release/dmsg . && \ + go build -o /release/testserver ./internal/e2e/testserver + +## Resulting image +FROM alpine:latest + +COPY --from=builder /release/dmsg /usr/local/bin/dmsg +COPY --from=builder /release/testserver /usr/local/bin/testserver + +RUN apk add --no-cache ca-certificates curl python3 bash net-tools + +ENTRYPOINT ["/usr/local/bin/dmsg"] diff --git a/docker/images/dmsg-discovery/Dockerfile b/docker/images/dmsg-discovery/Dockerfile index 2b37d2a41..11fd30221 100755 --- a/docker/images/dmsg-discovery/Dockerfile +++ b/docker/images/dmsg-discovery/Dockerfile @@ -1,4 +1,4 @@ -FROM golang:1.16-alpine AS builder +FROM golang:1.25-alpine AS builder ARG CGO_ENABLED=0 ENV CGO_ENABLED=${CGO_ENABLED} \ @@ -9,15 +9,14 @@ ENV CGO_ENABLED=${CGO_ENABLED} \ COPY . /dmsg WORKDIR /dmsg -# Build dmsg discovery -RUN apk add --no-cache make bash git && \ - make build-deploy +# Build dmsg binary from repo root +RUN go build -tags netgo -mod=vendor "-ldflags=-w -s" -o /release/dmsg . # Build image FROM alpine:latest -COPY --from=builder /release/dmsg-discovery /usr/local/bin/dmsg-discovery +COPY --from=builder /release/dmsg /usr/local/bin/dmsg EXPOSE 9090 STOPSIGNAL SIGINT -ENTRYPOINT [ "dmsg-discovery" ] +ENTRYPOINT [ "dmsg", "disc" ] diff --git a/docker/images/dmsg-server/Dockerfile b/docker/images/dmsg-server/Dockerfile index 817357caa..e4b1c68fe 100755 --- a/docker/images/dmsg-server/Dockerfile +++ b/docker/images/dmsg-server/Dockerfile @@ -1,4 +1,4 @@ -FROM golang:1.16-alpine AS builder +FROM golang:1.25-alpine AS builder ARG CGO_ENABLED=0 ENV CGO_ENABLED=${CGO_ENABLED} \ @@ -9,15 +9,24 @@ ENV CGO_ENABLED=${CGO_ENABLED} \ COPY . /dmsg WORKDIR /dmsg -# Build dmsg server -RUN apk add --no-cache bash make git && \ - make build-deploy +# Build dmsg binary from repo root +RUN go build -tags netgo -mod=vendor "-ldflags=-w -s" -o /release/dmsg . # Build image FROM alpine:latest -COPY --from=builder /release/dmsg-server /usr/local/bin/dmsg-server +COPY --from=builder /release/dmsg /usr/local/bin/dmsg + +RUN mkdir -p /e2e && \ + echo '{\ + "public_key": "03b88c1335c28264c5e40ffad67eee75c2f2c39bda27015d6e14a0e90eaa78a41c",\ + "secret_key": "c46cf86c2e13e2ae41a9014d0e3b19e1b1dc1ea5c3e18aee4adf3c4db84ddca7",\ + "discovery": "http://dmsg-discovery:9090",\ + "local_address": ":8080",\ + "health_endpoint_address": ":8081",\ + "log_level": "info"\ +}' > /e2e/dmsg-server.json STOPSIGNAL SIGINT -ENTRYPOINT [ "dmsg-server" ] +ENTRYPOINT [ "dmsg", "server" ] diff --git a/docs/dmsg-goda-graph.svg b/docs/dmsg-goda-graph.svg new file mode 100644 index 000000000..21c222abb --- /dev/null +++ b/docs/dmsg-goda-graph.svg @@ -0,0 +1,1399 @@ + + + + + + +G + + + +github.com/skycoin/dmsg + + +github.com/skycoin/dmsg +12 / 253B + + + + + +github.com/skycoin/dmsg/cmd/dmsg/commands + + +github.com/skycoin/dmsg/cmd/dmsg/commands +145 / 4.0KB + + + + + +github.com/skycoin/dmsg:e->github.com/skycoin/dmsg/cmd/dmsg/commands + + + + + +github.com/skycoin/dmsg/cmd/conf + + +github.com/skycoin/dmsg/cmd/conf +12 / 261B + + + + + +github.com/skycoin/dmsg/cmd/conf/commands + + +github.com/skycoin/dmsg/cmd/conf/commands +29 / 0.8KB + + + + + +github.com/skycoin/dmsg/cmd/conf:e->github.com/skycoin/dmsg/cmd/conf/commands + + + + + +github.com/skycoin/dmsg/pkg/dmsg + + +github.com/skycoin/dmsg/pkg/dmsg +2510 / 72.7KB + + + + + +github.com/skycoin/dmsg/cmd/conf/commands:e->github.com/skycoin/dmsg/pkg/dmsg + + + + + +github.com/skycoin/dmsg/cmd/dial + + +github.com/skycoin/dmsg/cmd/dial +12 / 261B + + + + + +github.com/skycoin/dmsg/cmd/dial/commands + + +github.com/skycoin/dmsg/cmd/dial/commands +170 / 6.1KB + + + + + +github.com/skycoin/dmsg/cmd/dial:e->github.com/skycoin/dmsg/cmd/dial/commands + + + + + +github.com/skycoin/dmsg/internal/cli + + +github.com/skycoin/dmsg/internal/cli +439 / 17.2KB + + + + + +github.com/skycoin/dmsg/cmd/dial/commands:e->github.com/skycoin/dmsg/internal/cli + + + + + +github.com/skycoin/dmsg/internal/flags + + +github.com/skycoin/dmsg/internal/flags +45 / 1.7KB + + + + + +github.com/skycoin/dmsg/cmd/dial/commands:e->github.com/skycoin/dmsg/internal/flags + + + + + +github.com/skycoin/dmsg/pkg/disc + + +github.com/skycoin/dmsg/pkg/disc +749 / 23.9KB + + + + + +github.com/skycoin/dmsg/cmd/dial/commands:e->github.com/skycoin/dmsg/pkg/disc + + + + + +github.com/skycoin/dmsg/cmd/dial/commands:e->github.com/skycoin/dmsg/pkg/dmsg + + + + + +github.com/skycoin/dmsg/cmd/dmsg + + +github.com/skycoin/dmsg/cmd/dmsg +12 / 262B + + + + + +github.com/skycoin/dmsg/cmd/dmsg:e->github.com/skycoin/dmsg/cmd/dmsg/commands + + + + + +github.com/skycoin/dmsg/cmd/dmsg-discovery + + +github.com/skycoin/dmsg/cmd/dmsg-discovery +12 / 291B + + + + + +github.com/skycoin/dmsg/cmd/dmsg-discovery/commands + + +github.com/skycoin/dmsg/cmd/dmsg-discovery/commands +293 / 10.3KB + + + + + 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+ + +github.com/skycoin/dmsg/examples/dmsghttp:e->github.com/skycoin/dmsg/pkg/dmsg + + + + + +github.com/skycoin/dmsg/examples/dmsghttp-client + + +github.com/skycoin/dmsg/examples/dmsghttp-client +46 / 1.3KB + + + + + +github.com/skycoin/dmsg/examples/dmsghttp-client:e->github.com/skycoin/dmsg/internal/cli + + + + + +github.com/skycoin/dmsg/examples/dmsghttp-client:e->github.com/skycoin/dmsg/pkg/dmsg + + + + + +github.com/skycoin/dmsg/examples/dmsghttp-client:e->github.com/skycoin/dmsg/pkg/dmsghttp + + + + + +github.com/skycoin/dmsg/examples/dmsgtcp + + +github.com/skycoin/dmsg/examples/dmsgtcp +144 / 4.5KB + + + + + +github.com/skycoin/dmsg/examples/dmsgtcp:e->github.com/skycoin/dmsg/internal/cli + + + + + +github.com/skycoin/dmsg/examples/dmsgtcp:e->github.com/skycoin/dmsg/pkg/dmsg + + + + + +github.com/skycoin/dmsg/examples/dmsgweb + + +github.com/skycoin/dmsg/examples/dmsgweb +39 / 1.5KB + + + + + +github.com/skycoin/dmsg/examples/dmsgweb/commands + + +github.com/skycoin/dmsg/examples/dmsgweb/commands +342 / 10.4KB + + + + + +github.com/skycoin/dmsg/examples/dmsgweb:e->github.com/skycoin/dmsg/examples/dmsgweb/commands + + + + + +github.com/skycoin/dmsg/examples/dmsgweb/commands:e->github.com/skycoin/dmsg/pkg/disc + + + + + +github.com/skycoin/dmsg/examples/dmsgweb/commands:e->github.com/skycoin/dmsg/pkg/dmsg + + + + + +github.com/skycoin/dmsg/examples/dmsgweb/commands:e->github.com/skycoin/dmsg/pkg/dmsghttp + + + + + +github.com/skycoin/dmsg/examples/gen-keys + + +github.com/skycoin/dmsg/examples/gen-keys +10 / 211B + + + + + +github.com/skycoin/dmsg/examples/http + + +github.com/skycoin/dmsg/examples/http +30 / 0.7KB + + + + + +github.com/skycoin/dmsg/examples/proxified + + +github.com/skycoin/dmsg/examples/proxified +97 / 3.3KB + + + + + +github.com/skycoin/dmsg/examples/proxified:e->github.com/skycoin/dmsg/pkg/disc + + + + + +github.com/skycoin/dmsg/examples/proxified:e->github.com/skycoin/dmsg/pkg/dmsg + + + + + +github.com/skycoin/dmsg/examples/tcp + + +github.com/skycoin/dmsg/examples/tcp +37 / 0.8KB + + + + + +github.com/skycoin/dmsg/examples/tcp-multi-proxy-dmsg + + +github.com/skycoin/dmsg/examples/tcp-multi-proxy-dmsg +146 / 4.7KB + + + + + +github.com/skycoin/dmsg/examples/tcp-multi-proxy-dmsg:e->github.com/skycoin/dmsg/pkg/disc + + + + + +github.com/skycoin/dmsg/examples/tcp-multi-proxy-dmsg:e->github.com/skycoin/dmsg/pkg/dmsg + + + + + +github.com/skycoin/dmsg/examples/tcp-proxy + + +github.com/skycoin/dmsg/examples/tcp-proxy +73 / 1.8KB + + + + + +github.com/skycoin/dmsg/examples/tcp-proxy-dmsg + + +github.com/skycoin/dmsg/examples/tcp-proxy-dmsg +219 / 7.1KB + + + + + +github.com/skycoin/dmsg/examples/tcp-proxy-dmsg:e->github.com/skycoin/dmsg/pkg/disc + + + + + +github.com/skycoin/dmsg/examples/tcp-proxy-dmsg:e->github.com/skycoin/dmsg/pkg/dmsg + + + + + +github.com/skycoin/dmsg/examples/tcp-reverse-proxy-dmsg + + +github.com/skycoin/dmsg/examples/tcp-reverse-proxy-dmsg +222 / 7.0KB + + + + + +github.com/skycoin/dmsg/examples/tcp-reverse-proxy-dmsg:e->github.com/skycoin/dmsg/pkg/disc + + + + + +github.com/skycoin/dmsg/examples/tcp-reverse-proxy-dmsg:e->github.com/skycoin/dmsg/pkg/dmsg + + + + + +github.com/skycoin/dmsg/internal/cli:e->github.com/skycoin/dmsg/internal/flags + + + + + +github.com/skycoin/dmsg/internal/cli:e->github.com/skycoin/dmsg/pkg/direct + + + + + +github.com/skycoin/dmsg/internal/cli:e->github.com/skycoin/dmsg/pkg/disc + + + + + +github.com/skycoin/dmsg/internal/cli:e->github.com/skycoin/dmsg/pkg/dmsg + + + + + +github.com/skycoin/dmsg/internal/cli:e->github.com/skycoin/dmsg/pkg/dmsghttp + + + + + +github.com/skycoin/dmsg/internal/dmsg-discovery/api:e->github.com/skycoin/dmsg/internal/discmetrics + + + + + +github.com/skycoin/dmsg/internal/dmsg-discovery/api:e->github.com/skycoin/dmsg/internal/dmsg-discovery/store + + + + + +github.com/skycoin/dmsg/internal/dmsg-discovery/api:e->github.com/skycoin/dmsg/pkg/disc + + + + + +github.com/skycoin/dmsg/internal/dmsg-discovery/api:e->github.com/skycoin/dmsg/pkg/dmsg + + + + + +github.com/skycoin/dmsg/internal/dmsg-discovery/store:e->github.com/skycoin/dmsg/pkg/disc + + + + + +github.com/skycoin/dmsg/internal/dmsg-discovery/store:e->github.com/skycoin/dmsg/pkg/dmsg + + + + + +github.com/skycoin/dmsg/internal/dmsg-server/api:e->github.com/skycoin/dmsg/internal/servermetrics + + + + + +github.com/skycoin/dmsg/internal/dmsg-server/api:e->github.com/skycoin/dmsg/pkg/dmsg + + + + + +github.com/skycoin/dmsg/internal/e2e + + +github.com/skycoin/dmsg/internal/e2e +0 / 0B + + + + + +github.com/skycoin/dmsg/internal/e2e/testserver + + +github.com/skycoin/dmsg/internal/e2e/testserver +43 / 1.2KB + + + + + +github.com/skycoin/dmsg/internal/flags:e->github.com/skycoin/dmsg/pkg/dmsg + + + + + +github.com/skycoin/dmsg/pkg/direct:e->github.com/skycoin/dmsg/pkg/disc + + + + + +github.com/skycoin/dmsg/pkg/direct:e->github.com/skycoin/dmsg/pkg/dmsg + + + + + +github.com/skycoin/dmsg/pkg/dmsg:e->github.com/skycoin/dmsg/internal/servermetrics + + + + + +github.com/skycoin/dmsg/pkg/dmsg:e->github.com/skycoin/dmsg/pkg/disc + + + + + +github.com/skycoin/dmsg/pkg/noise + + +github.com/skycoin/dmsg/pkg/noise +668 / 18.4KB + + + + + +github.com/skycoin/dmsg/pkg/dmsg:e->github.com/skycoin/dmsg/pkg/noise + + + + + +github.com/skycoin/dmsg/pkg/dmsgctrl + + +github.com/skycoin/dmsg/pkg/dmsgctrl +145 / 3.2KB + + + + + +github.com/skycoin/dmsg/pkg/dmsgcurl + + +github.com/skycoin/dmsg/pkg/dmsgcurl +341 / 9.8KB + + + + + +github.com/skycoin/dmsg/pkg/dmsgcurl:e->github.com/skycoin/dmsg/pkg/disc + + + + + +github.com/skycoin/dmsg/pkg/dmsgcurl:e->github.com/skycoin/dmsg/pkg/dmsg + + + + + +github.com/skycoin/dmsg/pkg/dmsgcurl:e->github.com/skycoin/dmsg/pkg/dmsghttp + + + + + +github.com/skycoin/dmsg/pkg/dmsghttp:e->github.com/skycoin/dmsg/pkg/disc + + + + + +github.com/skycoin/dmsg/pkg/dmsghttp:e->github.com/skycoin/dmsg/pkg/dmsg + + + + + +github.com/skycoin/dmsg/pkg/dmsgpty:e->github.com/skycoin/dmsg/pkg/dmsg + + + + + +github.com/skycoin/dmsg/pkg/dmsgserver:e->github.com/skycoin/dmsg/pkg/dmsg + + + + + +github.com/skycoin/dmsg/pkg/dmsgtest + + +github.com/skycoin/dmsg/pkg/dmsgtest +211 / 6.1KB + + + + + +github.com/skycoin/dmsg/pkg/dmsgtest:e->github.com/skycoin/dmsg/pkg/disc + + + + + +github.com/skycoin/dmsg/pkg/dmsgtest:e->github.com/skycoin/dmsg/pkg/dmsg + + + + + +github.com/skycoin/dmsg/pkg/ioutil + + +github.com/skycoin/dmsg/pkg/ioutil +23 / 0.7KB + + + + + +github.com/skycoin/dmsg/pkg/noise:e->github.com/skycoin/dmsg/pkg/ioutil + + + + + diff --git a/docs/dmsgcurl.md b/docs/dmsgcurl.md new file mode 100644 index 000000000..099273b09 --- /dev/null +++ b/docs/dmsgcurl.md @@ -0,0 +1,74 @@ +# Dmsgcurl + +`dmsgcurl` is a utility exec which can download/upload from HTTP servers hosted over the `dmsg` network (similar to a simplified `curl` over `dmsg`). + +``` +$ dmsgcurl --help + ┌┬┐┌┬┐┌─┐┌─┐┌─┐┬ ┬┬─┐┬ + │││││└─┐│ ┬│ │ │├┬┘│ + ─┴┘┴ ┴└─┘└─┘└─┘└─┘┴└─┴─┘ + + Usage: + dmsgcurl [OPTIONS] ... [URL] + + Flags: + -a, --agent AGENT identify as AGENT (default "dmsgcurl/v1.2.0-184-gdb24d156") + -d, --data string dmsghttp POST data + -c, --dmsg-disc string dmsg discovery url default: + http://dmsgd.skywire.skycoin.com + -l, --loglvl string [ debug | warn | error | fatal | panic | trace | info ] + -o, --out string output filepath + -r, --replace bool if be true then downloaded exist file will replace by new downloaded + -e, --sess int number of dmsg servers to connect to (default 1) + -s, --sk cipher.SecKey a random key is generated if unspecified + (default 0000000000000000000000000000000000000000000000000000000000000000) + -t, --try int download attempts (0 unlimits) (default 1) + -v, --version version for dmsgcurl + -w, --wait int time to wait between fetches +``` + +### Example usage + +In this example, we will use the `dmsg` network where the `dmsg.Discovery` address is `http://dmsgd.skywire.skycoin.com`. However, any `dmsg.Discovery` would work. + +First, lets create a folder where we will host files to serve over `dmsg` and create a `hello.txt` file within. + +```shell script +// Create serving folder. +$ mkdir /tmp/dmsghttp/inner -p + +// Create files. +$ echo 'Hello World!' > /tmp/dmsghttp/hello.txt +$ echo 'Hello World!, Inner!' > /tmp/dmsghttp/inner/inner-hello.txt +``` + +Next, let's serve this over `http` via `dmsg` as transport. We have an example exec for this located within `/example/dmsgcurl/dmsg-example-http-server`. + +```shell script +# Generate public/private key pair +$ go run ./examples/dmsgcurl/gen-keys/gen-keys.go +# PK: 038dde2d050803db59e2ad19e5a6db0f58f8419709fc65041c48b0cb209bb7a851 +# SK: e5740e093bd472c2730b0a58944a5dee220d415de62acf45d1c559f56eea2b2d + +# Run dmsg http server. +# (replace 'e5740e093bd472c2730b0a58944a5dee220d415de62acf45d1c559f56eea2b2d' with the SK returned from above command) +$ go run ./examples/dmsgcurl/dmsg-example-http-server/dmsg-example-http-server.go --dir /tmp/dmsghttp --sk e5740e093bd472c2730b0a58944a5dee220d415de62acf45d1c559f56eea2b2d +``` + +Now we can use `dmsgcurl` to download the hosted file. Open a new terminal and run the following. + +```shell script +# Replace '038dde2d050803db59e2ad19e5a6db0f58f8419709fc65041c48b0cb209bb7a851' with the generated PK. +$ dmsgcurl dmsg://038dde2d050803db59e2ad19e5a6db0f58f8419709fc65041c48b0cb209bb7a851:80/hello.txt # Output be here as stdout +$ dmsgcurl dmsg://038dde2d050803db59e2ad19e5a6db0f58f8419709fc65041c48b0cb209bb7a851:80/hello.txt -o downloadedFile/hello.txt +$ dmsgcurl dmsg://038dde2d050803db59e2ad19e5a6db0f58f8419709fc65041c48b0cb209bb7a851:80/inner/inner-hello.txt # Output be here as stdout +$ dmsgcurl dmsg://038dde2d050803db59e2ad19e5a6db0f58f8419709fc65041c48b0cb209bb7a851:80/inner/inner-hello.txt -o inner-hello.txt + +# Check downloaded file. +$ cat downloadedFile/hello.txt +# Hello World!, Inner! +$ cat inner-hello.txt +# Hello World!, Inner! +``` + +Note: If you set `-d` or `--data` flag, then curl work as post method (upload), and if not then work as get method (download). diff --git a/docs/dmsgget.md b/docs/dmsgget.md deleted file mode 100644 index dc643834f..000000000 --- a/docs/dmsgget.md +++ /dev/null @@ -1,65 +0,0 @@ -# Dmsgget - -`dmsgget` is a utility exec which can download from HTTP servers hosted over the `dmsg` network (similar to a simplified `wget` over `dmsg`). - -``` -$ dmsgget --help - - Skycoin dmsgget v0.1.0, wget over dmsg. - Usage: dmsgget [OPTION]... [URL] - - -O FILE - write documents to FILE (default ".") - -U AGENT - identify as AGENT (default "dmsgget/v0.1.0") - -dmsg-disc URL - dmsg discovery URL (default "http://dmsgd.skywire.skycoin.com") - -dmsg-sessions NUMBER - connect to NUMBER of dmsg servers (default 1) - -h - -help - print this help - -t NUMBER - set number of retries to NUMBER (0 unlimits) (default 1) - -w SECONDS - wait SECONDS between retrievals -``` - -### Example usage - -In this example, we will use the `dmsg` network where the `dmsg.Discovery` address is `http://dmsgd.skywire.skycoin.com`. However, any `dmsg.Discovery` would work. - -First, lets create a folder where we will host files to serve over `dmsg` and create a `hello.txt` file within. - -```shell script -// Create serving folder. -$ mkdir /tmp/dmsghttp -p - -// Create file. -$ echo 'Hello World!' > /tmp/dmsghttp/hello.txt -``` - -Next, let's serve this over `http` via `dmsg` as transport. We have an example exec for this located within `/example/dmsgget/dmsg-example-http-server`. - -```shell script -# Generate public/private key pair -$ go run ./examples/dmsgget/gen-keys/gen-keys.go -# PK: 038dde2d050803db59e2ad19e5a6db0f58f8419709fc65041c48b0cb209bb7a851 -# SK: e5740e093bd472c2730b0a58944a5dee220d415de62acf45d1c559f56eea2b2d - -# Run dmsg http server. -# (replace 'e5740e093bd472c2730b0a58944a5dee220d415de62acf45d1c559f56eea2b2d' with the SK returned from above command) -$ go run ./examples/dmsgget/dmsg-example-http-server/dmsg-example-http-server.go --dir /tmp/dmsghttp --sk e5740e093bd472c2730b0a58944a5dee220d415de62acf45d1c559f56eea2b2d -``` - -Now we can use `dsmgget` to download the hosted file. Open a new terminal and run the following. - -```shell script -# Replace '038dde2d050803db59e2ad19e5a6db0f58f8419709fc65041c48b0cb209bb7a851' with the generated PK. -$ dmsgget dmsg://038dde2d050803db59e2ad19e5a6db0f58f8419709fc65041c48b0cb209bb7a851:80/hello.txt - -# Check downloaded file. -$ cat hello.txt -# Hello World! -``` - diff --git a/docs/dockerized.md b/docs/dockerized.md index 126c4c76f..8e888ee77 100644 --- a/docs/dockerized.md +++ b/docs/dockerized.md @@ -23,9 +23,9 @@ $ docker run --network="br-dmsg0" --rm --name=redis -d -p 6379:6379 redis:alpine ``` 5. Run `dmsg-discovery` and `dmsg-server` ```bash -$ docker run --rm --network="br-dmsg0" --name=dmsg-discovery skycoinpro/dmsg-discovery:test --redis redis://redis:6379 +$ docker run --rm --network="br-dmsg0" --name=dmsg-discovery skycoin/dmsg-discovery:test --redis redis://redis:6379 # Run dmsg-server with default config (default points to production server) -$ docker run --network="br-dmsg0" --rm --name=dmsg-server skycoinpro/dmsg-server:test +$ docker run --network="br-dmsg0" --rm --name=dmsg-server skycoin/dmsg-server:test # or run it with your own config $ docker run -v :/etc/dmsg --network="br-dmsg0" --rm --name=dmsg-server \ skycoinpro/dmsg-server:test / diff --git a/examples/basics/main.go b/examples/basics/main.go index fae8557af..7d545ccc9 100644 --- a/examples/basics/main.go +++ b/examples/basics/main.go @@ -5,7 +5,7 @@ import ( "log" "time" - "github.com/skycoin/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" "golang.org/x/net/nettest" "github.com/skycoin/dmsg/pkg/disc" diff --git a/examples/dmsgget/dmsg-example-http-server/dmsg-example-http-server.go b/examples/dmsgcurl/dmsg-example-http-server/dmsg-example-http-server.go similarity index 89% rename from examples/dmsgget/dmsg-example-http-server/dmsg-example-http-server.go rename to examples/dmsgcurl/dmsg-example-http-server/dmsg-example-http-server.go index e6268274b..c2a8daff0 100644 --- a/examples/dmsgget/dmsg-example-http-server/dmsg-example-http-server.go +++ b/examples/dmsgcurl/dmsg-example-http-server/dmsg-example-http-server.go @@ -9,9 +9,9 @@ import ( "path" "time" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/cmdutil" - "github.com/skycoin/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cmdutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" "github.com/skycoin/dmsg/pkg/disc" dmsg "github.com/skycoin/dmsg/pkg/dmsg" @@ -19,7 +19,7 @@ import ( var ( dir = "." // local dir to serve via http - dmsgDisc = "http://dmsgd.skywire.skycoin.com" + dmsgDisc = dmsg.DiscAddr(false) dmsgPort = uint(80) pk, sk = cipher.GenerateKeyPair() ) diff --git a/examples/dmsgcurl/gen-keys/gen-keys.go b/examples/dmsgcurl/gen-keys/gen-keys.go new file mode 100644 index 000000000..312bd9b29 --- /dev/null +++ b/examples/dmsgcurl/gen-keys/gen-keys.go @@ -0,0 +1,13 @@ +package main + +import ( + "fmt" + + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" +) + +func main() { + pk, sk := cipher.GenerateKeyPair() + fmt.Println("PK:", pk.String()) + fmt.Println("SK:", sk.String()) +} diff --git a/examples/dmsgget/gen-keys/gen-keys.go b/examples/dmsgget/gen-keys/gen-keys.go deleted file mode 100644 index d8b958ca9..000000000 --- a/examples/dmsgget/gen-keys/gen-keys.go +++ /dev/null @@ -1,13 +0,0 @@ -package main - -import ( - "fmt" - - "github.com/skycoin/skywire-utilities/pkg/cipher" -) - -func main() { - pk, sk := cipher.GenerateKeyPair() - fmt.Println("PK:", pk.String()) - fmt.Println("SK:", sk.String()) -} diff --git a/examples/dmsghttp-client/dmsghttp-client.go b/examples/dmsghttp-client/dmsghttp-client.go new file mode 100644 index 000000000..05efc83b8 --- /dev/null +++ b/examples/dmsghttp-client/dmsghttp-client.go @@ -0,0 +1,50 @@ +package main + +import ( + "context" + "fmt" + "io" + "net/http" + "net/url" + "os" + + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + + "github.com/skycoin/dmsg/internal/cli" + "github.com/skycoin/dmsg/pkg/dmsg" + "github.com/skycoin/dmsg/pkg/dmsghttp" +) + +func main() { + dLog := logging.MustGetLogger("dmsghttp-client") + dmsgDisc := dmsg.DiscAddr(false) + parsedURL, err := url.Parse(os.Args[1]) + if err != nil { + dLog.Fatalf("Failed to parse URL: %v", err) + } + pk, sk := cipher.GenerateKeyPair() + ctx := context.Background() + dmsgClient, closeDmsg, err := cli.StartDmsg(ctx, dLog, pk, sk, &http.Client{}, dmsgDisc, 1) + if err != nil { + dLog.Fatalf("Failed to start DMSG client: %v", err) + } + dLog.Println("started dmsg client") + defer closeDmsg() + if dmsgClient == nil { + dLog.Fatal("DMSG client initialization failed. Exiting.") + } + httpClient := &http.Client{ + Transport: dmsghttp.MakeHTTPTransport(ctx, dmsgClient), + } + resp, err := httpClient.Get(parsedURL.String()) + if err != nil { + dLog.Fatalf("Failed to perform GET request: %v", err) + } + defer resp.Body.Close() + body, err := io.ReadAll(resp.Body) + if err != nil { + dLog.Fatalf("Failed to read response body: %v", err) + } + fmt.Println(string(body)) +} diff --git a/examples/dmsghttp/README.md b/examples/dmsghttp/README.md new file mode 100644 index 000000000..06089b035 --- /dev/null +++ b/examples/dmsghttp/README.md @@ -0,0 +1,72 @@ +## example hello world via HTTP over DMSG + +### Generate keys: + +``` +go run ../gen-keys/gen-keys.go | tee dmsgtest.keys +``` +OR +``` +go run ../gen-keys/gen-keys.go > dmsgtest.keys +``` + + +### Start application using secret key + + +``` +$ go run dmsghttp.go -s $(tail -n1 dmsgtest.key) +[2025-01-28T15:45:26.218738525-06:00] DEBUG disc.NewHTTP [dmsghttp]: Created HTTP client. addr="http://dmsgd.skywire.skycoin.com" +[2025-01-28T15:45:26.218798474-06:00] DEBUG [dmsg_client]: Discovering dmsg servers... +[2025-01-28T15:45:26.494061772-06:00] DEBUG [dmsg_client]: Dialing session... remote_pk=0281a102c82820e811368c8d028cf11b1a985043b726b1bcdb8fce89b27384b2cb +[2025-01-28T15:45:27.047394122-06:00] DEBUG [dmsg_client]: Serving session. remote_pk=0281a102c82820e811368c8d028cf11b1a985043b726b1bcdb8fce89b27384b2cb +[2025-01-28T15:45:27.047406948-06:00] INFO [dmsghttp]: Serving Hello World on DMSG address 03f45df9890955214bbfe2e06487741489266a60c487365989b9723680b45e0f6e:80 +[2025-01-28T15:46:02.992699297-06:00] INFO [dmsghttp]: Received request from 0352b141c5a423a3788ad7202745b083e2240dea5ce304742a272ec4a80ece6c1c:49153 + +``` + +### Get using dmsgcurl + + +``` +$ go run ../../cmd/dmsgcurl/dmsgcurl.go -l debug dmsg://$(head -n1 dmsgtest.key):80 +[2025-01-28T15:46:00.785331607-06:00] DEBUG disc.NewHTTP [dmsgcurl]: Created HTTP client. addr="http://dmsgd.skywire.skycoin.com" +[2025-01-28T15:46:00.785375317-06:00] DEBUG [dmsgcurl]: Connecting to dmsg network... dmsg_disc="http://dmsgd.skywire.skycoin.com" public_key="0352b141c5a423a3788ad7202745b083e2240dea5ce304742a272ec4a80ece6c1c" +[2025-01-28T15:46:00.785475179-06:00] DEBUG [dmsg_client]: Discovering dmsg servers... +[2025-01-28T15:46:01.053319739-06:00] DEBUG [dmsg_client]: Dialing session... remote_pk=02a2d4c346dabd165fd555dfdba4a7f4d18786fe7e055e562397cd5102bdd7f8dd +[2025-01-28T15:46:01.611696253-06:00] DEBUG [dmsg_client]: Serving session. remote_pk=02a2d4c346dabd165fd555dfdba4a7f4d18786fe7e055e562397cd5102bdd7f8dd +[2025-01-28T15:46:01.611738628-06:00] DEBUG [dmsgcurl]: Dmsg network ready. +[2025-01-28T15:46:02.018101877-06:00] DEBUG [dmsg_client]: Dialing session... remote_pk=0281a102c82820e811368c8d028cf11b1a985043b726b1bcdb8fce89b27384b2cb +[2025-01-28T15:46:02.431323641-06:00] DEBUG [dmsg_client]: Updating entry. entry= version: 0.0.1 + sequence: 0 + registered at: 1738100761468088283 + static public key: 0352b141c5a423a3788ad7202745b083e2240dea5ce304742a272ec4a80ece6c1c + signature: 4a761f8e84f021683957f272832a007890de622414d155db49bf0cdac944477d6160f846e07f68d6d78c93209ebe593b3dc4c48d1ef729f7ee7c52fb79d295a200 + entry is registered as client. Related info: + delegated servers: + 02a2d4c346dabd165fd555dfdba4a7f4d18786fe7e055e562397cd5102bdd7f8dd + 0281a102c82820e811368c8d028cf11b1a985043b726b1bcdb8fce89b27384b2cb + + +[2025-01-28T15:46:02.569096852-06:00] DEBUG [dmsg_client]: Serving session. remote_pk=0281a102c82820e811368c8d028cf11b1a985043b726b1bcdb8fce89b27384b2cb +Hello, World![2025-01-28T15:46:03.127242853-06:00] DEBUG [dmsg_client]: Stopped serving client! +[2025-01-28T15:46:03.127263963-06:00] DEBUG [dmsg_client]: Stopped accepting streams. error="session shutdown" session=02a2d4c346dabd165fd555dfdba4a7f4d18786fe7e055e562397cd5102bdd7f8dd +[2025-01-28T15:46:03.12746417-06:00] DEBUG [dmsg_client]: Session closed. error= +[2025-01-28T15:46:03.127561533-06:00] DEBUG [dmsg_client]: Stopped accepting streams. error="session shutdown" session=0281a102c82820e811368c8d028cf11b1a985043b726b1bcdb8fce89b27384b2cb +[2025-01-28T15:46:03.127602412-06:00] DEBUG [dmsg_client]: Session closed. error= +[2025-01-28T15:46:03.127623574-06:00] DEBUG [dmsg_client]: All sessions closed. +[2025-01-28T15:46:03.395174115-06:00] DEBUG [dmsg_client]: Deleting entry. entry= version: 0.0.1 + sequence: 1 + registered at: 1738100762431422654 + static public key: 0352b141c5a423a3788ad7202745b083e2240dea5ce304742a272ec4a80ece6c1c + signature: 40a80e385094c38a420d9229d517172a3859f28b79057b5b79cf2600d3021f9d7af57fa26d0f5c9c0643fa45d07bad8169860b842851543d866455a8f170cf6701 + entry is registered as client. Related info: + delegated servers: + 02a2d4c346dabd165fd555dfdba4a7f4d18786fe7e055e562397cd5102bdd7f8dd + 0281a102c82820e811368c8d028cf11b1a985043b726b1bcdb8fce89b27384b2cb + + +[2025-01-28T15:46:03.533465754-06:00] DEBUG [dmsg_client]: Entry Deleted successfully. +[2025-01-28T15:46:03.533508976-06:00] DEBUG [dmsgcurl]: Disconnected from dmsg network. error= + +``` diff --git a/examples/dmsghttp/dmsghttp.go b/examples/dmsghttp/dmsghttp.go new file mode 100644 index 000000000..ec01e75cc --- /dev/null +++ b/examples/dmsghttp/dmsghttp.go @@ -0,0 +1,153 @@ +// Example Hello World HTTP over DMSG +package main + +import ( + "context" + "log" + "net/http" + "os" + "strings" + "time" + + cc "github.com/ivanpirog/coloredcobra" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cmdutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + "github.com/spf13/cobra" + + "github.com/skycoin/dmsg/pkg/disc" + dmsg "github.com/skycoin/dmsg/pkg/dmsg" +) + +var ( + sk cipher.SecKey + dmsgDisc string + dmsgPort uint +) + +func init() { + RootCmd.Flags().UintVarP(&dmsgPort, "port", "p", 80, "DMSG port to serve from") + RootCmd.Flags().StringVarP(&dmsgDisc, "dmsg-disc", "D", dmsg.DiscAddr(false), "DMSG discovery URL") + if os.Getenv("DMSGHTTP_SK") != "" { + sk.Set(os.Getenv("DMSGHTTP_SK")) //nolint + } + RootCmd.Flags().VarP(&sk, "sk", "s", "A random key is generated if unspecified\n\r") +} + +// RootCmd contains the root DMSG HTTP command +var RootCmd = &cobra.Command{ + Use: func() string { + return strings.Split(os.Args[0], " ")[0] + }(), + Short: "DMSG HTTP Hello World server", + Long: "DMSG HTTP Hello World server", + SilenceErrors: true, + SilenceUsage: true, + DisableSuggestions: true, + DisableFlagsInUseLine: true, + Run: func(_ *cobra.Command, _ []string) { + log := logging.MustGetLogger("dmsghttp") + if dmsgDisc == "" { + log.Fatal("DMSG discovery URL not specified") + } + + ctx, cancel := cmdutil.SignalContext(context.Background(), log) + defer cancel() + + // Generate keys if not provided + pk, err := sk.PubKey() + if err != nil { + pk, sk = cipher.GenerateKeyPair() + } + + // Initialize the DMSG client + c := dmsg.NewClient(pk, sk, disc.NewHTTP(dmsgDisc, &http.Client{}, log), dmsg.DefaultConfig()) + defer func() { + if err := c.Close(); err != nil { + log.WithError(err).Error("Failed to close DMSG client") + } + }() + go c.Serve(context.Background()) + + // Wait for the DMSG client to be ready + select { + case <-ctx.Done(): + log.WithError(ctx.Err()).Warn() + return + case <-c.Ready(): + } + + // Listen on the specified DMSG port + lis, err := c.Listen(uint16(dmsgPort)) + if err != nil { + log.WithError(err).Fatal("Failed to listen on DMSG port") + } + defer lis.Close() + + log.Infof("Serving Hello World on DMSG address %s", lis.Addr()) + + // Set up HTTP server to respond with "Hello, World!" + http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { + log.Infof("Received request from %s", r.RemoteAddr) + w.WriteHeader(http.StatusOK) + w.Write([]byte("Hello, World!")) + }) + + // Start the HTTP server + server := &http.Server{ + ReadHeaderTimeout: 3 * time.Second, + } + + // Graceful shutdown handler + go func() { + <-ctx.Done() + log.Info("Shutdown signal received, shutting down HTTP server...") + server.Shutdown(context.Background()) + log.Info("HTTP server successfully shut down") + }() + + // Start serving HTTP requests + log.Fatal(server.Serve(lis)) + }, +} + +// Execute executes the root CLI command +func Execute() { + if err := RootCmd.Execute(); err != nil { + log.Fatal("Failed to execute command: ", err) + } +} + +func init() { + var helpflag bool + RootCmd.SetUsageTemplate(help) + RootCmd.PersistentFlags().BoolVarP(&helpflag, "help", "h", false, "help for dmsghttp-cli") + RootCmd.SetHelpCommand(&cobra.Command{Hidden: true}) + RootCmd.PersistentFlags().MarkHidden("help") //nolint +} + +func main() { + cc.Init(&cc.Config{ + RootCmd: RootCmd, + Headings: cc.HiBlue + cc.Bold, + Commands: cc.HiBlue + cc.Bold, + CmdShortDescr: cc.HiBlue, + Example: cc.HiBlue + cc.Italic, + ExecName: cc.HiBlue + cc.Bold, + Flags: cc.HiBlue + cc.Bold, + FlagsDescr: cc.HiBlue, + NoExtraNewlines: true, + NoBottomNewline: true, + }) + Execute() +} + +const help = "Usage:\r\n" + + " {{.UseLine}}{{if .HasAvailableSubCommands}}{{end}} {{if gt (len .Aliases) 0}}\r\n\r\n" + + "{{.NameAndAliases}}{{end}}{{if .HasAvailableSubCommands}}\r\n\r\n" + + "Available Commands:{{range .Commands}}{{if (or .IsAvailableCommand)}}\r\n " + + "{{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{end}}{{if .HasAvailableLocalFlags}}\r\n\r\n" + + "Flags:\r\n" + + "{{.LocalFlags.FlagUsages | trimTrailingWhitespaces}}{{end}}{{if .HasAvailableInheritedFlags}}\r\n\r\n" + + "Global Flags:\r\n" + + "{{.InheritedFlags.FlagUsages | trimTrailingWhitespaces}}{{end}}\r\n\r\n" diff --git a/examples/dmsgtcp/README.md b/examples/dmsgtcp/README.md new file mode 100644 index 000000000..44cf8d62e --- /dev/null +++ b/examples/dmsgtcp/README.md @@ -0,0 +1 @@ +example hello world via TCP over DMSG diff --git a/examples/dmsgtcp/dmsgtcp.go b/examples/dmsgtcp/dmsgtcp.go new file mode 100644 index 000000000..1a0592f22 --- /dev/null +++ b/examples/dmsgtcp/dmsgtcp.go @@ -0,0 +1,165 @@ +// Example hello world TCP over DMSG +package main + +import ( + "context" + "log" + "net" + "net/http" + "os" + "os/signal" + "strings" + "syscall" + + cc "github.com/ivanpirog/coloredcobra" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cmdutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + "github.com/spf13/cobra" + + "github.com/skycoin/dmsg/internal/cli" + dmsg "github.com/skycoin/dmsg/pkg/dmsg" +) + +var ( + sk cipher.SecKey + dmsgDisc string + dmsgPort uint +) + +func init() { + RootCmd.Flags().UintVarP(&dmsgPort, "port", "p", 80, "DMSG port to serve from") + RootCmd.Flags().StringVarP(&dmsgDisc, "dmsg-disc", "D", dmsg.DiscAddr(false), "DMSG discovery URL") + if os.Getenv("DMSGTCP_SK") != "" { + sk.Set(os.Getenv("DMSGTCP_SK")) //nolint + } + RootCmd.Flags().VarP(&sk, "sk", "s", "A random key is generated if unspecified\n\r") +} + +// RootCmd contains the root DMSG TCP command +var RootCmd = &cobra.Command{ + Use: func() string { + return strings.Split(os.Args[0], " ")[0] + }(), + Short: "DMSG TCP Hello World server", + Long: "DMSG TCP Hello World server", + Run: func(_ *cobra.Command, _ []string) { + log := logging.MustGetLogger("dmsgtcp") + if dmsgDisc == "" { + log.Fatal("DMSG discovery URL not specified") + } + + // Create the context and cancel function + ctx, cancel := cmdutil.SignalContext(context.Background(), log) + defer cancel() + + // Generate keys if not provided + pk, err := sk.PubKey() + if err != nil { + pk, sk = cipher.GenerateKeyPair() + } + + // Initialize the DMSG client + dmsgC, closeDmsg, err := cli.StartDmsg(ctx, log, pk, sk, &http.Client{}, dmsgDisc, 1) + if err != nil { + log.WithError(err).Fatal("failed to start dmsg") + } + defer closeDmsg() + + go func() { + <-ctx.Done() + cancel() + closeDmsg() + os.Exit(0) + }() + + // Listen on the specified DMSG port + lis, err := dmsgC.Listen(uint16(dmsgPort)) + if err != nil { + log.WithError(err).Fatal("Failed to listen on DMSG port") + } + defer lis.Close() + + log.Infof("Serving Hello World TCP on DMSG address %s", lis.Addr()) + + // Handle system interrupt (Ctrl + C) + signalChan := make(chan os.Signal, 1) + signal.Notify(signalChan, syscall.SIGINT, syscall.SIGTERM) + + // Start a goroutine to wait for shutdown signals + go func() { + <-signalChan + log.Info("Received shutdown signal.") + lis.Close() + closeDmsg() + cancel() // Cancel context to terminate DMSG client and server + }() + + // Accept TCP connections and respond with "Hello, World!" + for { + conn, err := lis.Accept() + if err != nil { + // If the server was closed or a signal was received, break out + if ctx.Err() != nil { + log.Info("Server shutting down...") + return + } + log.WithError(err).Error("Failed to accept connection") + continue + } + go handleConnection(conn, log) + } + }, +} + +func handleConnection(conn net.Conn, log *logging.Logger) { + defer conn.Close() + log.Infof("Received connection from %s", conn.RemoteAddr()) + + // Write "Hello, World!" message to the connection + _, err := conn.Write([]byte("Hello, World!\n")) + if err != nil { + log.WithError(err).Error("Failed to write response") + } +} + +// Execute executes the root CLI command +func Execute() { + if err := RootCmd.Execute(); err != nil { + log.Fatal("Failed to execute command: ", err) + } +} + +func init() { + var helpflag bool + RootCmd.SetUsageTemplate(help) + RootCmd.PersistentFlags().BoolVarP(&helpflag, "help", "h", false, "help for dmsgpty-cli") + RootCmd.SetHelpCommand(&cobra.Command{Hidden: true}) + RootCmd.PersistentFlags().MarkHidden("help") //nolint +} + +func main() { + cc.Init(&cc.Config{ + RootCmd: RootCmd, + Headings: cc.HiBlue + cc.Bold, + Commands: cc.HiBlue + cc.Bold, + CmdShortDescr: cc.HiBlue, + Example: cc.HiBlue + cc.Italic, + ExecName: cc.HiBlue + cc.Bold, + Flags: cc.HiBlue + cc.Bold, + FlagsDescr: cc.HiBlue, + NoExtraNewlines: true, + NoBottomNewline: true, + }) + Execute() +} + +const help = "Usage:\r\n" + + " {{.UseLine}}{{if .HasAvailableSubCommands}}{{end}} {{if gt (len .Aliases) 0}}\r\n\r\n" + + "{{.NameAndAliases}}{{end}}{{if .HasAvailableSubCommands}}\r\n\r\n" + + "Available Commands:{{range .Commands}}{{if (or .IsAvailableCommand)}}\r\n " + + "{{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{end}}{{if .HasAvailableLocalFlags}}\r\n\r\n" + + "Flags:\r\n" + + "{{.LocalFlags.FlagUsages | trimTrailingWhitespaces}}{{end}}{{if .HasAvailableInheritedFlags}}\r\n\r\n" + + "Global Flags:\r\n" + + "{{.InheritedFlags.FlagUsages | trimTrailingWhitespaces}}{{end}}\r\n\r\n" diff --git a/examples/dmsgweb/commands/dmsgweb.go b/examples/dmsgweb/commands/dmsgweb.go new file mode 100644 index 000000000..03e2a2e9f --- /dev/null +++ b/examples/dmsgweb/commands/dmsgweb.go @@ -0,0 +1,200 @@ +// Package commands cmd/dmsgweb/commands/dmsgweb.go +package commands + +import ( + "context" + "fmt" + "io" + "log" + "net" + "net/http" + "os" + "os/signal" + "regexp" + "strings" + "syscall" + + "github.com/confiant-inc/go-socks5" + "github.com/gin-gonic/gin" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/buildinfo" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cmdutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + "github.com/spf13/cobra" + "golang.org/x/net/proxy" + + "github.com/skycoin/dmsg/pkg/dmsghttp" +) + +func init() { + RootCmd.AddCommand(genKeysCmd) + RootCmd.Flags().StringVarP(&filterDomainSuffix, "filter", "f", ".dmsg", "domain suffix to filter") + RootCmd.Flags().StringVarP(&proxyPort, "socks", "q", "4445", "port to serve the socks5 proxy") + RootCmd.Flags().StringVarP(&addProxy, "proxy", "r", "", "configure additional socks5 proxy for dmsgweb (i.e. 127.0.0.1:1080)") + RootCmd.Flags().StringVarP(&webPort, "port", "p", "8080", "port to serve the web application") + RootCmd.Flags().StringVarP(&resolveDmsgAddr, "resolve", "t", "", "resolve the specified dmsg address:port on the local port & disable proxy") + RootCmd.Flags().StringVarP(&dmsgDisc, "dmsg-disc", "D", dmsgDisc, "dmsg discovery url") + RootCmd.Flags().IntVarP(&dmsgSessions, "sess", "e", 1, "number of dmsg servers to connect to") + RootCmd.Flags().StringVarP(&logLvl, "loglvl", "l", "", "[ debug | warn | error | fatal | panic | trace | info ]\033[0m") + if os.Getenv("DMSGGET_SK") != "" { + sk.Set(os.Getenv("DMSGGET_SK")) //nolint + } + RootCmd.Flags().VarP(&sk, "sk", "s", "a random key is generated if unspecified\n\r") +} + +// RootCmd contains the root command for dmsgweb +var RootCmd = &cobra.Command{ + Use: "web", + Short: "DMSG resolving proxy & browser client", + Long: ` + ┌┬┐┌┬┐┌─┐┌─┐┬ ┬┌─┐┌┐ + │││││└─┐│ ┬│││├┤ ├┴┐ + ─┴┘┴ ┴└─┘└─┘└┴┘└─┘└─┘ + ` + "DMSG resolving proxy & browser client - access websites over dmsg", + SilenceErrors: true, + SilenceUsage: true, + DisableSuggestions: true, + DisableFlagsInUseLine: true, + Version: buildinfo.Version(), + Run: func(cmd *cobra.Command, _ []string) { + c := make(chan os.Signal, 1) + signal.Notify(c, os.Interrupt, syscall.SIGTERM) //nolint + go func() { + <-c + os.Exit(1) + }() + if dmsgWebLog == nil { + dmsgWebLog = logging.MustGetLogger("dmsgweb") + } + if logLvl != "" { + if lvl, err := logging.LevelFromString(logLvl); err == nil { + logging.SetLevel(lvl) + } + } + + if filterDomainSuffix == "" { + dmsgWebLog.Fatal("domain suffix to filter cannot be an empty string") + } + ctx, cancel := cmdutil.SignalContext(context.Background(), dmsgWebLog) + defer cancel() + + pk, err := sk.PubKey() + if err != nil { + pk, sk = cipher.GenerateKeyPair() + } + + dmsgC, closeDmsg, err := startDmsg(ctx, pk, sk) + if err != nil { + dmsgWebLog.WithError(err).Fatal("failed to start dmsg") + } + defer closeDmsg() + + go func() { + <-ctx.Done() + cancel() + closeDmsg() + os.Exit(0) //this should not be necessary + }() + + httpC = http.Client{Transport: dmsghttp.MakeHTTPTransport(ctx, dmsgC)} + + if resolveDmsgAddr == "" { + // Create a SOCKS5 server with custom name resolution + conf := &socks5.Config{ + Resolver: &customResolver{}, + Dial: func(ctx context.Context, network, addr string) (net.Conn, error) { + host, _, err := net.SplitHostPort(addr) + if err != nil { + return nil, err + } + regexPattern := `\` + filterDomainSuffix + `(:[0-9]+)?$` + match, _ := regexp.MatchString(regexPattern, host) //nolint:errcheck + if match { + port, ok := ctx.Value("port").(string) + if !ok { + port = webPort + } + addr = "localhost:" + port + } else { + if addProxy != "" { + // Fallback to another SOCKS5 proxy + dialer, err := proxy.SOCKS5("tcp", addProxy, nil, proxy.Direct) + if err != nil { + return nil, err + } + return dialer.Dial(network, addr) + } + } + dmsgWebLog.Debug("Dialing address:", addr) + return net.Dial(network, addr) + }, + } + + // Start the SOCKS5 server + socksAddr := "127.0.0.1:" + proxyPort + log.Printf("SOCKS5 proxy server started on %s", socksAddr) + + server, err := socks5.New(conf) + if err != nil { + log.Fatalf("Failed to create SOCKS5 server: %v", err) + } + + wg.Add(1) + go func() { + dmsgWebLog.Debug("Serving SOCKS5 proxy on " + socksAddr) + err := server.ListenAndServe("tcp", socksAddr) + if err != nil { + log.Fatalf("Failed to start SOCKS5 server: %v", err) + } + defer server.Close() + dmsgWebLog.Debug("Stopped serving SOCKS5 proxy on " + socksAddr) + }() + } + r := gin.New() + + r.Use(gin.Recovery()) + + r.Use(loggingMiddleware()) + + r.Any("/*path", func(c *gin.Context) { + var urlStr string + if resolveDmsgAddr != "" { + urlStr = fmt.Sprintf("dmsg://%s%s", resolveDmsgAddr, c.Param("path")) + } else { + + hostParts := strings.Split(c.Request.Host, ":") + var dmsgp string + if len(hostParts) > 1 { + dmsgp = hostParts[1] + } else { + dmsgp = "80" + } + urlStr = fmt.Sprintf("dmsg://%s:%s%s", strings.TrimRight(hostParts[0], filterDomainSuffix), dmsgp, c.Param("path")) + } + + req, err := http.NewRequest(http.MethodGet, urlStr, nil) + if err != nil { + c.String(http.StatusInternalServerError, "Failed to create HTTP request") + return + } + + resp, err := httpC.Do(req) + if err != nil { + c.String(http.StatusInternalServerError, "Failed to connect to HTTP server") + return + } + defer resp.Body.Close() //nolint + + c.Status(http.StatusOK) + io.Copy(c.Writer, resp.Body) //nolint + }) + wg.Add(1) + go func() { + dmsgWebLog.Debug("Serving http on " + webPort) + r.Run(":" + webPort) //nolint + dmsgWebLog.Debug("Stopped serving http on " + webPort) + wg.Done() + }() + wg.Wait() + }, +} diff --git a/examples/dmsgweb/commands/root.go b/examples/dmsgweb/commands/root.go new file mode 100644 index 000000000..894fe9770 --- /dev/null +++ b/examples/dmsgweb/commands/root.go @@ -0,0 +1,179 @@ +// Package commands cmd/dmsgweb/commands/dmsgweb.go +package commands + +import ( + "context" + "fmt" + "log" + "net" + "net/http" + "os" + "regexp" + "sync" + "time" + + "github.com/gin-gonic/gin" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + "github.com/spf13/cobra" + + "github.com/skycoin/dmsg/pkg/disc" + dmsg "github.com/skycoin/dmsg/pkg/dmsg" +) + +// RootCmd contains commands that interact with the config of local skywire-visor +var genKeysCmd = &cobra.Command{ + Use: "gen-keys", + Short: "generate public / secret keypair", + Run: func(cmd *cobra.Command, args []string) { + pk, sk := cipher.GenerateKeyPair() + fmt.Println(pk) + fmt.Println(sk) + }, +} + +type customResolver struct{} + +func (r *customResolver) Resolve(ctx context.Context, name string) (context.Context, net.IP, error) { + // Handle custom name resolution for .dmsg domains + regexPattern := `\.` + filterDomainSuffix + `(:[0-9]+)?$` + match, _ := regexp.MatchString(regexPattern, name) //nolint:errcheck + if match { + ip := net.ParseIP("127.0.0.1") + if ip == nil { + return ctx, nil, fmt.Errorf("failed to parse IP address") + } + // Modify the context to include the desired port + ctx = context.WithValue(ctx, "port", webPort) //nolint + return ctx, ip, nil + } + // Use default name resolution for other domains + return ctx, nil, nil +} + +var ( + httpC http.Client + dmsgDisc = dmsg.DiscAddr(false) + dmsgSessions int + filterDomainSuffix string + sk cipher.SecKey + dmsgWebLog *logging.Logger + logLvl string + webPort string + proxyPort string + addProxy string + resolveDmsgAddr string + wg sync.WaitGroup +) + +func startDmsg(ctx context.Context, pk cipher.PubKey, sk cipher.SecKey) (dmsgC *dmsg.Client, stop func(), err error) { + dmsgC = dmsg.NewClient(pk, sk, disc.NewHTTP(dmsgDisc, &http.Client{}, dmsgWebLog), &dmsg.Config{MinSessions: dmsgSessions}) + go dmsgC.Serve(context.Background()) + + stop = func() { + err := dmsgC.Close() + dmsgWebLog.WithError(err).Debug("Disconnected from dmsg network.") + fmt.Printf("\n") + } + dmsgWebLog.WithField("public_key", pk.String()).WithField("dmsg_disc", dmsgDisc). + Debug("Connecting to dmsg network...") + + select { + case <-ctx.Done(): + stop() + os.Exit(0) + return nil, nil, ctx.Err() + + case <-dmsgC.Ready(): + dmsgWebLog.Debug("Dmsg network ready.") + return dmsgC, stop, nil + } +} + +func loggingMiddleware() gin.HandlerFunc { + return func(c *gin.Context) { + start := time.Now() + c.Next() + latency := time.Since(start) + if latency > time.Minute { + latency = latency.Truncate(time.Second) + } + statusCode := c.Writer.Status() + method := c.Request.Method + path := c.Request.URL.Path + // Get the background color based on the status code + statusCodeBackgroundColor := getBackgroundColor(statusCode) + // Get the method color + methodColor := getMethodColor(method) + // Print the logging in a custom format which includes the publickeyfrom c.Request.RemoteAddr ex.: + // [DMSGHTTP] 2023/05/18 - 19:43:15 | 200 | 10.80885ms | | 02b5ee5333aa6b7f5fc623b7d5f35f505cb7f974e98a70751cf41962f84c8c4637:49153 | GET /node-info.json + fmt.Printf("[DMSGHTTP] %s |%s %3d %s| %13v | %15s | %72s |%s %-7s %s %s\n", + time.Now().Format("2006/01/02 - 15:04:05"), + statusCodeBackgroundColor, + statusCode, + resetColor(), + latency, + c.ClientIP(), + c.Request.RemoteAddr, + methodColor, + method, + resetColor(), + path, + ) + } +} +func getBackgroundColor(statusCode int) string { + switch { + case statusCode >= http.StatusOK && statusCode < http.StatusMultipleChoices: + return green + case statusCode >= http.StatusMultipleChoices && statusCode < http.StatusBadRequest: + return white + case statusCode >= http.StatusBadRequest && statusCode < http.StatusInternalServerError: + return yellow + default: + return red + } +} + +func getMethodColor(method string) string { + switch method { + case http.MethodGet: + return blue + case http.MethodPost: + return cyan + case http.MethodPut: + return yellow + case http.MethodDelete: + return red + case http.MethodPatch: + return green + case http.MethodHead: + return magenta + case http.MethodOptions: + return white + default: + return reset + } +} + +func resetColor() string { + return reset +} + +const ( + green = "\033[97;42m" + white = "\033[90;47m" + yellow = "\033[90;43m" + red = "\033[97;41m" + blue = "\033[97;44m" + magenta = "\033[97;45m" + cyan = "\033[97;46m" + reset = "\033[0m" +) + +// Execute executes root CLI command. +func Execute() { + if err := RootCmd.Execute(); err != nil { + log.Fatal("Failed to execute command: ", err) + } +} diff --git a/examples/dmsgweb/dmsgweb.go b/examples/dmsgweb/dmsgweb.go new file mode 100644 index 000000000..581989782 --- /dev/null +++ b/examples/dmsgweb/dmsgweb.go @@ -0,0 +1,44 @@ +// Package main cmd/dmsgweb/dmsgweb.go +package main + +import ( + cc "github.com/ivanpirog/coloredcobra" + "github.com/spf13/cobra" + + "github.com/skycoin/dmsg/examples/dmsgweb/commands" +) + +func init() { + var helpflag bool + commands.RootCmd.SetUsageTemplate(help) + commands.RootCmd.PersistentFlags().BoolVarP(&helpflag, "help", "h", false, "help for dmsgweb") + commands.RootCmd.SetHelpCommand(&cobra.Command{Hidden: true}) + commands.RootCmd.PersistentFlags().MarkHidden("help") //nolint +} + +func main() { + cc.Init(&cc.Config{ + RootCmd: commands.RootCmd, + Headings: cc.HiBlue + cc.Bold, + Commands: cc.HiBlue + cc.Bold, + CmdShortDescr: cc.HiBlue, + Example: cc.HiBlue + cc.Italic, + ExecName: cc.HiBlue + cc.Bold, + Flags: cc.HiBlue + cc.Bold, + //FlagsDataType: cc.HiBlue, + FlagsDescr: cc.HiBlue, + NoExtraNewlines: true, + NoBottomNewline: true, + }) + commands.Execute() +} + +const help = "Usage:\r\n" + + " {{.UseLine}}{{if .HasAvailableSubCommands}}{{end}} {{if gt (len .Aliases) 0}}\r\n\r\n" + + "{{.NameAndAliases}}{{end}}{{if .HasAvailableSubCommands}}\r\n\r\n" + + "Available Commands:{{range .Commands}}{{if (or .IsAvailableCommand)}}\r\n " + + "{{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{end}}{{if .HasAvailableLocalFlags}}\r\n\r\n" + + "Flags:\r\n" + + "{{.LocalFlags.FlagUsages | trimTrailingWhitespaces}}{{end}}{{if .HasAvailableInheritedFlags}}\r\n\r\n" + + "Global Flags:\r\n" + + "{{.InheritedFlags.FlagUsages | trimTrailingWhitespaces}}{{end}}\r\n\r\n" diff --git a/examples/gen-keys/README.md b/examples/gen-keys/README.md new file mode 100644 index 000000000..2c6c673e9 --- /dev/null +++ b/examples/gen-keys/README.md @@ -0,0 +1,11 @@ +## public / secret key pair generation + +Returns: +* Public Key +* Secret Key + +``` +$ go run gen-keys.go +03620454a0ba368051defa4baac2fd92a434449292d2dd2aff8b81041403a9d3d1 +54ce2ff7310f8ab33e01d9b0f5be7f79a62ba92d812a113b1a8a993c95f162ac +``` diff --git a/examples/gen-keys/gen-keys.go b/examples/gen-keys/gen-keys.go new file mode 100644 index 000000000..cf7175af6 --- /dev/null +++ b/examples/gen-keys/gen-keys.go @@ -0,0 +1,13 @@ +// example keypair generation +package main + +import ( + "fmt" + + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" +) + +func main() { + pk, sk := cipher.GenerateKeyPair() + fmt.Printf("%s\n%s\n", pk, sk) +} diff --git a/examples/http/README.md b/examples/http/README.md new file mode 100644 index 000000000..7e79b8ee1 --- /dev/null +++ b/examples/http/README.md @@ -0,0 +1 @@ +example hello world via HTTP diff --git a/examples/http/http.go b/examples/http/http.go new file mode 100644 index 000000000..90cc98d57 --- /dev/null +++ b/examples/http/http.go @@ -0,0 +1,34 @@ +// example hello world HTTP +package main + +import ( + "fmt" + "log" + "net" + "net/http" + "os" +) + +func main() { + // Define the HTTP handler + http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { + log.Printf("Received request: %s %s", r.Method, r.URL.Path) + fmt.Fprintf(w, "Hello, World!\n") + }) + + // Use the specified port from command-line arguments + address := os.Args[1] + listener, err := net.Listen("tcp", address) + if err != nil { + log.Fatal("Failed to start HTTP server:", err) + return + } + defer listener.Close() + + log.Println("HTTP server started on", address) + // Start the HTTP server + err = http.Serve(listener, nil) + if err != nil { + log.Fatal("HTTP server stopped with error:", err) + } +} diff --git a/examples/proxified/main.go b/examples/proxified/main.go new file mode 100644 index 000000000..f5f1b3f9e --- /dev/null +++ b/examples/proxified/main.go @@ -0,0 +1,125 @@ +package main + +import ( + "context" + "net/http" + "time" + + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + "golang.org/x/net/proxy" + + "github.com/skycoin/dmsg/pkg/disc" + dmsg "github.com/skycoin/dmsg/pkg/dmsg" +) + +func main() { + log := logging.MustGetLogger("proxified") + + // generate keys for clients + respPK, respSK := cipher.GenerateKeyPair() + initPK, initSK := cipher.GenerateKeyPair() + + // ports to listen by clients. can be any free port + var initPort, respPort uint16 = 1563, 1563 + + // Configure SOCKS5 proxy dialer + proxyAddr := "127.0.0.1:1080" // use skysocks-client skywire proxy address + dialer, err := proxy.SOCKS5("tcp", proxyAddr, nil, proxy.Direct) + if err != nil { + log.Fatalf("Error creating SOCKS5 dialer: %v", err) + } + + // Configure custom HTTP transport with SOCKS5 proxy + transport := &http.Transport{ + Dial: dialer.Dial, + } + + // Configure HTTP client with custom transport + httpClient := &http.Client{ + Transport: transport, + } + + // instantiate clients with custom config + respC := dmsg.NewClient(respPK, respSK, disc.NewHTTP(dmsg.DiscAddr(false), httpClient, log), dmsg.DefaultConfig()) + go respC.Serve(context.Background()) + + initC := dmsg.NewClient(initPK, initSK, disc.NewHTTP(dmsg.DiscAddr(false), &http.Client{}, log), dmsg.DefaultConfig()) + go initC.Serve(context.Background()) + + time.Sleep(2 * time.Second) + + // bind to port and start listening for incoming messages + initL, err := initC.Listen(initPort) + if err != nil { + log.Fatalf("Error listening by initiator on port %d: %v", initPort, err) + } + + // bind to port and start listening for incoming messages + respL, err := respC.Listen(respPort) + if err != nil { + log.Fatalf("Error listening by responder on port %d: %v", respPort, err) + } + + initTp, err := initC.DialStream(context.Background(), dmsg.Addr{PK: respPK, Port: respPort}) + if err != nil { + log.Fatalf("Error dialing responder: %v", err) + } + + respTp, err := respL.AcceptStream() + if err != nil { + log.Fatalf("Error accepting inititator: %v", err) + } + + payload := "Hello there!" + _, err = initTp.Write([]byte(payload)) + if err != nil { + log.Fatalf("Error writing to initiator's stream: %v", err) + } + + recvBuf := make([]byte, len(payload)) + _, err = respTp.Read(recvBuf) + if err != nil { + log.Fatalf("Error reading from responder's stream: %v", err) + } + + log.Printf("Responder accepted: %s", string(recvBuf)) + + payload = "General Kenobi" + _, err = respTp.Write([]byte(payload)) + if err != nil { + log.Fatalf("Error writing response: %v", err) + } + + initRecvBuf := make([]byte, len(payload)) + _, err = initTp.Read(initRecvBuf) + if err != nil { + log.Fatalf("Error reading response: %v", err) + } + + log.Printf("Initiator accepted: %s", string(initRecvBuf)) + + if err := initTp.Close(); err != nil { + log.Fatalf("Error closing initiator's stream: %v", err) + } + + if err := respTp.Close(); err != nil { + log.Fatalf("Error closing responder's stream: %v", err) + } + + if err := initL.Close(); err != nil { + log.Fatalf("Error closing initiator's listener: %v", err) + } + + if err := respL.Close(); err != nil { + log.Fatalf("Error closing responder's listener: %v", err) + } + + if err := initC.Close(); err != nil { + log.Fatalf("Error closing initiator: %v", err) + } + + if err := respC.Close(); err != nil { + log.Fatalf("Error closing responder: %v", err) + } +} diff --git a/examples/tcp-multi-proxy-dmsg/tcp-multi-proxy-dmsg.go b/examples/tcp-multi-proxy-dmsg/tcp-multi-proxy-dmsg.go new file mode 100644 index 000000000..b7a60352a --- /dev/null +++ b/examples/tcp-multi-proxy-dmsg/tcp-multi-proxy-dmsg.go @@ -0,0 +1,174 @@ +package main + +import ( + "context" + "fmt" + "io" + "net" + "net/http" + "sync" + + cc "github.com/ivanpirog/coloredcobra" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cmdutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + "github.com/spf13/cobra" + + "github.com/skycoin/dmsg/pkg/disc" + dmsg "github.com/skycoin/dmsg/pkg/dmsg" +) + +func main() { + cc.Init(&cc.Config{ + RootCmd: srvCmd, + Headings: cc.HiBlue + cc.Bold, + Commands: cc.HiBlue + cc.Bold, + CmdShortDescr: cc.HiBlue, + Example: cc.HiBlue + cc.Italic, + ExecName: cc.HiBlue + cc.Bold, + Flags: cc.HiBlue + cc.Bold, + FlagsDescr: cc.HiBlue, + NoExtraNewlines: true, + NoBottomNewline: true, + }) + srvCmd.Execute() +} + +const help = "Usage:\r\n" + + " {{.UseLine}}{{if .HasAvailableSubCommands}}{{end}} {{if gt (len .Aliases) 0}}\r\n\r\n" + + "{{.NameAndAliases}}{{end}}{{if .HasAvailableSubCommands}}\r\n\r\n" + + "Available Commands:{{range .Commands}}{{if (or .IsAvailableCommand)}}\r\n " + + "{{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{end}}{{if .HasAvailableLocalFlags}}\r\n\r\n" + + "Flags:\r\n" + + "{{.LocalFlags.FlagUsages | trimTrailingWhitespaces}}{{end}}{{if .HasAvailableInheritedFlags}}\r\n\r\n" + + "Global Flags:\r\n" + + "{{.InheritedFlags.FlagUsages | trimTrailingWhitespaces}}{{end}}\r\n\r\n" + +var ( + localPorts []uint + dmsgPorts []uint + dmsgDisc string + dmsgSess int + sk cipher.SecKey +) + +func init() { + srvCmd.Flags().UintSliceVarP(&localPorts, "lport", "l", nil, "local application HTTP interface port(s) (comma-separated)") + srvCmd.Flags().UintSliceVarP(&dmsgPorts, "dport", "d", nil, "DMSG port(s) to serve (comma-separated)") + srvCmd.Flags().StringVarP(&dmsgDisc, "dmsg-disc", "D", dmsg.DiscAddr(false), "DMSG discovery URL") + srvCmd.Flags().IntVarP(&dmsgSess, "dsess", "e", 1, "DMSG sessions") + srvCmd.Flags().VarP(&sk, "sk", "s", "a random key is generated if unspecified\n\r") + + srvCmd.CompletionOptions.DisableDefaultCmd = true + var helpFlag bool + srvCmd.SetUsageTemplate(help) + srvCmd.PersistentFlags().BoolVarP(&helpFlag, "help", "h", false, "help for dmsgweb") + srvCmd.SetHelpCommand(&cobra.Command{Hidden: true}) + srvCmd.PersistentFlags().MarkHidden("help") //nolint +} + +var srvCmd = &cobra.Command{ + Use: "srv", + Short: "Serve raw TCP from local ports over DMSG", + Long: `DMSG web server - serve HTTP or raw TCP interface from local ports over DMSG`, + Run: func(_ *cobra.Command, _ []string) { + server() + }, +} + +func server() { + log := logging.MustGetLogger("dmsgwebsrv") + ctx, cancel := cmdutil.SignalContext(context.Background(), log) + defer cancel() + + if len(localPorts) != len(dmsgPorts) { + log.Fatalf("The number of local ports (%d) must match the number of DMSG ports (%d).", len(localPorts), len(dmsgPorts)) + } + + pk, err := sk.PubKey() + if err != nil { + pk, sk = cipher.GenerateKeyPair() + } + log.Infof("DMSG client public key: %v", pk.String()) + + dmsgC := dmsg.NewClient(pk, sk, disc.NewHTTP(dmsgDisc, &http.Client{}, log), dmsg.DefaultConfig()) + defer func() { + if err := dmsgC.Close(); err != nil { + log.WithError(err).Error("Error closing DMSG client") + } + }() + go dmsgC.Serve(ctx) + + select { + case <-ctx.Done(): + log.WithError(ctx.Err()).Warn() + return + case <-dmsgC.Ready(): + log.Info("DMSG client is ready.") + } + + wg := new(sync.WaitGroup) + for i, localPort := range localPorts { + dmsgPort := dmsgPorts[i] + wg.Add(1) + + go func(localPort, dmsgPort uint) { + defer wg.Done() + proxyPort(ctx, dmsgC, localPort, dmsgPort, log) + }(localPort, dmsgPort) + } + + wg.Wait() +} + +func proxyPort(ctx context.Context, dmsgC *dmsg.Client, localPort, dmsgPort uint, log *logging.Logger) { + listener, err := dmsgC.Listen(uint16(dmsgPort)) + if err != nil { + log.Fatalf("Error listening on DMSG port %d: %v", dmsgPort, err) + } + defer listener.Close() + + log.Infof("Started proxying local port %d to DMSG port %d", localPort, dmsgPort) + + go func() { + <-ctx.Done() + listener.Close() + }() + + for { + conn, err := listener.Accept() + if err != nil { + log.Printf("Error accepting connection on DMSG port %d: %v", dmsgPort, err) + return + } + + go handleTCPConnection(conn, localPort, log) + } +} + +func handleTCPConnection(dmsgConn net.Conn, localPort uint, log *logging.Logger) { + defer dmsgConn.Close() + + localConn, err := net.Dial("tcp", fmt.Sprintf("127.0.0.1:%d", localPort)) + if err != nil { + log.Printf("Failed to connect to local port %d: %v", localPort, err) + return + } + defer localConn.Close() + + var wg sync.WaitGroup + wg.Add(2) + + go func() { + defer wg.Done() + io.Copy(dmsgConn, localConn) + }() + + go func() { + defer wg.Done() + io.Copy(localConn, dmsgConn) + }() + + wg.Wait() + log.Printf("Closed connection between local port %d and DMSG connection", localPort) +} diff --git a/examples/tcp-proxy-dmsg/tcp-proxy-dmsg.go b/examples/tcp-proxy-dmsg/tcp-proxy-dmsg.go new file mode 100644 index 000000000..e707329a8 --- /dev/null +++ b/examples/tcp-proxy-dmsg/tcp-proxy-dmsg.go @@ -0,0 +1,256 @@ +package main + +import ( + "context" + "fmt" + "io" + "net" + "net/http" + "os" + "sync" + + cc "github.com/ivanpirog/coloredcobra" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cmdutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + "github.com/spf13/cobra" + + "github.com/skycoin/dmsg/pkg/disc" + dmsg "github.com/skycoin/dmsg/pkg/dmsg" +) + +func main() { + cc.Init(&cc.Config{ + RootCmd: srvCmd, + Headings: cc.HiBlue + cc.Bold, + Commands: cc.HiBlue + cc.Bold, + CmdShortDescr: cc.HiBlue, + Example: cc.HiBlue + cc.Italic, + ExecName: cc.HiBlue + cc.Bold, + Flags: cc.HiBlue + cc.Bold, + FlagsDescr: cc.HiBlue, + NoExtraNewlines: true, + NoBottomNewline: true, + }) + srvCmd.Execute() +} + +const help = "Usage:\r\n" + + " {{.UseLine}}{{if .HasAvailableSubCommands}}{{end}} {{if gt (len .Aliases) 0}}\r\n\r\n" + + "{{.NameAndAliases}}{{end}}{{if .HasAvailableSubCommands}}\r\n\r\n" + + "Available Commands:{{range .Commands}}{{if (or .IsAvailableCommand)}}\r\n " + + "{{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{end}}{{if .HasAvailableLocalFlags}}\r\n\r\n" + + "Flags:\r\n" + + "{{.LocalFlags.FlagUsages | trimTrailingWhitespaces}}{{end}}{{if .HasAvailableInheritedFlags}}\r\n\r\n" + + "Global Flags:\r\n" + + "{{.InheritedFlags.FlagUsages | trimTrailingWhitespaces}}{{end}}\r\n\r\n" + +var ( + httpC http.Client + dmsgC *dmsg.Client + closeDmsg func() + dmsgDisc string + dmsgSessions int + dmsgAddr []string + dialPK []cipher.PubKey + filterDomainSuffix string + sk cipher.SecKey + pk cipher.PubKey + dmsgWebLog *logging.Logger + logLvl string + webPort []uint + proxyPort uint + addProxy string + resolveDmsgAddr []string + wg sync.WaitGroup + isEnvs bool + dmsgPort uint + dmsgPorts []uint + dmsgSess int + wl []string + wlkeys []cipher.PubKey + localPort uint + err error + rawTCP []bool + RootCmd = srvCmd +) + +func init() { + srvCmd.Flags().UintVarP(&localPort, "lport", "l", 8086, "local application http interface port(s)") + srvCmd.Flags().UintVarP(&dmsgPort, "dport", "d", 8086, "dmsg port(s) to serve") + srvCmd.Flags().StringVarP(&dmsgDisc, "dmsg-disc", "D", dmsg.DiscAddr(false), "dmsg discovery url") + srvCmd.Flags().IntVarP(&dmsgSess, "dsess", "e", 1, "dmsg sessions") + srvCmd.Flags().VarP(&sk, "sk", "s", "a random key is generated if unspecified\n\r") + + srvCmd.CompletionOptions.DisableDefaultCmd = true + var helpflag bool + srvCmd.SetUsageTemplate(help) + srvCmd.PersistentFlags().BoolVarP(&helpflag, "help", "h", false, "help for dmsgweb") + srvCmd.SetHelpCommand(&cobra.Command{Hidden: true}) + srvCmd.PersistentFlags().MarkHidden("help") //nolint +} + +var srvCmd = &cobra.Command{ + Use: "srv", + Short: "serve raw TCP from local port over dmsg", + Long: `DMSG web server - serve http or raw TCP interface from local port over dmsg`, + Run: func(_ *cobra.Command, _ []string) { + server() + }, +} + +func server() { + log := logging.MustGetLogger("dmsgwebsrv") + + ctx, cancel := cmdutil.SignalContext(context.Background(), log) + + defer cancel() + pk, err = sk.PubKey() + if err != nil { + pk, sk = cipher.GenerateKeyPair() + } + log.Infof("dmsg client pk: %v", pk.String()) + + dmsgC := dmsg.NewClient(pk, sk, disc.NewHTTP(dmsgDisc, &http.Client{}, log), dmsg.DefaultConfig()) + defer func() { + if err := dmsgC.Close(); err != nil { + log.WithError(err).Error() + } + }() + + go dmsgC.Serve(context.Background()) + + select { + case <-ctx.Done(): + log.WithError(ctx.Err()).Warn() + return + + case <-dmsgC.Ready(): + } + + lis, err := dmsgC.Listen(uint16(dmsgPort)) + if err != nil { + log.Fatalf("Error listening on port %d: %v", dmsgPort, err) + } + + go func(l net.Listener, port uint) { + <-ctx.Done() + if err := l.Close(); err != nil { + log.Printf("Error closing listener on port %d: %v", port, err) + log.WithError(err).Error() + } + }(lis, dmsgPort) + + wg := new(sync.WaitGroup) + + wg.Add(1) + go func(localPort uint, lis net.Listener) { + defer wg.Done() + proxyTCPConnections(localPort, lis, log) + }(localPort, lis) + + wg.Wait() +} + +func proxyTCPConnections(localPort uint, lis net.Listener, log *logging.Logger) { + for { + conn, err := lis.Accept() + if err != nil { + log.Printf("Error accepting connection: %v", err) + return + } + + go handleTCPConnection(conn, localPort, log) + } +} + +func handleTCPConnection(dmsgConn net.Conn, localPort uint, log *logging.Logger) { + defer dmsgConn.Close() // Ensure the dmsg connection is closed. + + localConn, err := net.Dial("tcp", fmt.Sprintf("127.0.0.1:%d", localPort)) + if err != nil { + log.Printf("Failed to dial server %s: %v", fmt.Sprintf("127.0.0.1:%d", localPort), err) + return + } + defer localConn.Close() // Ensure the local connection is closed. + + var wg sync.WaitGroup + wg.Add(2) + + // Log data copied from localConn to dmsgConn + go func() { + defer wg.Done() + reader := io.TeeReader(localConn, logWriter("local -> dmsg", log)) + _, err := io.Copy(dmsgConn, reader) + if err != nil && !isClosedConnErr(err) { + log.Printf("Error copying from local to dmsg: %v", err) + } + }() + + // Log data copied from dmsgConn to localConn + go func() { + defer wg.Done() + reader := io.TeeReader(dmsgConn, logWriter("dmsg -> local", log)) + _, err := io.Copy(localConn, reader) + if err != nil && !isClosedConnErr(err) { + log.Printf("Error copying from dmsg to local: %v", err) + } + }() + + wg.Wait() + dmsgConn.Close() + localConn.Close() + log.Printf("Closed connection between DMSG and local port %d", localPort) +} + +// logWriter creates a writer that logs the copied data with a prefix. +func logWriter(direction string, log *logging.Logger) io.Writer { + return &logWriterImpl{ + prefix: direction, + log: log, + } +} + +// logWriterImpl is an implementation of io.Writer that logs data as it is written. +type logWriterImpl struct { + prefix string + log *logging.Logger +} + +func (lw *logWriterImpl) Write(p []byte) (int, error) { + lw.log.Printf("[%s] %s", lw.prefix, string(p)) // Log the data as a string. + return len(p), nil +} + +// isClosedConnErr checks if the error indicates a closed connection. +func isClosedConnErr(err error) bool { + if err == io.EOF { + return true + } + netErr, ok := err.(net.Error) + return ok && netErr.Timeout() // Check for timeout error indicating closed connection +} + +func startDmsg(ctx context.Context, pk cipher.PubKey, sk cipher.SecKey) (dmsgC *dmsg.Client, stop func(), err error) { + dmsgC = dmsg.NewClient(pk, sk, disc.NewHTTP(dmsgDisc, &http.Client{}, dmsgWebLog), &dmsg.Config{MinSessions: dmsgSessions}) + go dmsgC.Serve(context.Background()) + + stop = func() { + err := dmsgC.Close() + dmsgWebLog.WithError(err).Debug("Disconnected from dmsg network.") + fmt.Printf("\n") + } + dmsgWebLog.WithField("public_key", pk.String()).WithField("dmsg_disc", dmsgDisc). + Debug("Connecting to dmsg network...") + + select { + case <-ctx.Done(): + stop() + os.Exit(0) + return nil, nil, ctx.Err() + + case <-dmsgC.Ready(): + dmsgWebLog.Debug("Dmsg network ready.") + return dmsgC, stop, nil + } +} diff --git a/examples/tcp-proxy/tcp-proxy.go b/examples/tcp-proxy/tcp-proxy.go new file mode 100644 index 000000000..d126ae459 --- /dev/null +++ b/examples/tcp-proxy/tcp-proxy.go @@ -0,0 +1,84 @@ +package main + +import ( + "fmt" + "io" + "log" + "net" + "os" + "strconv" + "sync" +) + +func main() { + if len(os.Args) < 3 { + log.Fatalf("requires two arguments; usage: tcp-proxy ") + } + sourcePort, err := strconv.Atoi(os.Args[2]) + if err != nil { + log.Fatalf("Failed to parse tcp source port string \"%v\" to int: %v", sourcePort, err) + } + targetPort, err := strconv.Atoi(os.Args[1]) + if err != nil { + log.Fatalf("Failed to parse tcp target port string \"%v\" to int: %v", targetPort, err) + } + listener, err := net.Listen("tcp", fmt.Sprintf(":%d", sourcePort)) + if err != nil { + log.Fatalf("Failed to start TCP listener on port %d: %v", sourcePort, err) + } + defer listener.Close() + log.Printf("TCP proxy started: Listening on port %d and forwarding to port %d", sourcePort, targetPort) + + for { + conn, err := listener.Accept() + if err != nil { + log.Printf("Failed to accept connection: %v", err) + continue + } + + go handleConnection(conn, targetPort) + } +} + +func handleConnection(conn net.Conn, targetPort int) { + defer conn.Close() + + targetAddr := fmt.Sprintf("localhost:%d", targetPort) + target, err := net.Dial("tcp", targetAddr) + if err != nil { + log.Printf("Failed to dial target server %s: %v", targetAddr, err) + return + } + defer target.Close() + + var wg sync.WaitGroup + wg.Add(2) + + go func() { + _, err := io.Copy(target, conn) + if err != nil && !isClosedConnErr(err) { + log.Printf("Error copying from client to target: %v", err) + } + target.Close() + wg.Done() + }() + + go func() { + _, err := io.Copy(conn, target) + if err != nil && !isClosedConnErr(err) { + log.Printf("Error copying from target to client: %v", err) + } + conn.Close() + wg.Done() + }() + + wg.Wait() +} + +func isClosedConnErr(err error) bool { + if err == io.EOF { + return true + } + netErr, ok := err.(net.Error) + return ok && netErr.Timeout() +} diff --git a/examples/tcp-reverse-proxy-dmsg/tcp-reverse-proxy-dmsg.go b/examples/tcp-reverse-proxy-dmsg/tcp-reverse-proxy-dmsg.go new file mode 100644 index 000000000..1bbd240fd --- /dev/null +++ b/examples/tcp-reverse-proxy-dmsg/tcp-reverse-proxy-dmsg.go @@ -0,0 +1,249 @@ +package main + +import ( + "context" + "fmt" + "io" + "log" + "net" + "net/http" + "os" + "os/signal" + "path/filepath" + "strconv" + "strings" + "sync" + "syscall" + + cc "github.com/ivanpirog/coloredcobra" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cmdutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + "github.com/spf13/cobra" + + "github.com/skycoin/dmsg/pkg/disc" + dmsg "github.com/skycoin/dmsg/pkg/dmsg" +) + +func main() { + cc.Init(&cc.Config{ + RootCmd: RootCmd, + Headings: cc.HiBlue + cc.Bold, + Commands: cc.HiBlue + cc.Bold, + CmdShortDescr: cc.HiBlue, + Example: cc.HiBlue + cc.Italic, + ExecName: cc.HiBlue + cc.Bold, + Flags: cc.HiBlue + cc.Bold, + FlagsDescr: cc.HiBlue, + NoExtraNewlines: true, + NoBottomNewline: true, + }) + RootCmd.Execute() +} + +const help = "Usage:\r\n" + + " {{.UseLine}}{{if .HasAvailableSubCommands}}{{end}} {{if gt (len .Aliases) 0}}\r\n\r\n" + + "{{.NameAndAliases}}{{end}}{{if .HasAvailableSubCommands}}\r\n\r\n" + + "Available Commands:{{range .Commands}}{{if (or .IsAvailableCommand)}}\r\n " + + "{{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{end}}{{if .HasAvailableLocalFlags}}\r\n\r\n" + + "Flags:\r\n" + + "{{.LocalFlags.FlagUsages | trimTrailingWhitespaces}}{{end}}{{if .HasAvailableInheritedFlags}}\r\n\r\n" + + "Global Flags:\r\n" + + "{{.InheritedFlags.FlagUsages | trimTrailingWhitespaces}}{{end}}\r\n\r\n" + +var ( + httpC http.Client + dmsgC *dmsg.Client + closeDmsg func() + dmsgDisc string + dmsgSessions int + dmsgAddr []string + dialPK cipher.PubKey + sk cipher.SecKey + pk cipher.PubKey + dmsgWebLog *logging.Logger + logLvl string + webPort uint + resolveDmsgAddr string + wg sync.WaitGroup + dmsgPort uint + dmsgSess int + err error +) + +func init() { + RootCmd.Flags().UintVarP(&webPort, "port", "p", 8080, "port to serve the web application") + RootCmd.Flags().StringVarP(&resolveDmsgAddr, "resolve", "t", "", "resolve the specified dmsg address:port on the local port & disable proxy") + RootCmd.Flags().StringVarP(&dmsgDisc, "dmsg-disc", "d", dmsg.DiscAddr(false), "dmsg discovery url") + RootCmd.Flags().IntVarP(&dmsgSessions, "sess", "e", 1, "number of dmsg servers to connect to") + RootCmd.Flags().StringVarP(&logLvl, "loglvl", "l", "", "[ debug | warn | error | fatal | panic | trace | info ]\033[0m") + RootCmd.Flags().VarP(&sk, "sk", "s", "a random key is generated if unspecified\n\r") +} + +// RootCmd contains the root command for dmsgweb +var RootCmd = &cobra.Command{ + Use: func() string { + return strings.Split(filepath.Base(strings.ReplaceAll(strings.ReplaceAll(fmt.Sprintf("%v", os.Args), "[", ""), "]", "")), " ")[0] + }(), + Short: "DMSG reverse tcp proxy", + Long: "DMSG reverse tcp proxy", + SilenceErrors: true, + SilenceUsage: true, + DisableSuggestions: true, + DisableFlagsInUseLine: true, + Run: func(cmd *cobra.Command, _ []string) { + + c := make(chan os.Signal, 1) + signal.Notify(c, os.Interrupt, syscall.SIGTERM) //nolint + go func() { + <-c + os.Exit(1) + }() + if dmsgWebLog == nil { + dmsgWebLog = logging.MustGetLogger("dmsgweb") + } + if logLvl != "" { + if lvl, err := logging.LevelFromString(logLvl); err == nil { + logging.SetLevel(lvl) + } + } + + ctx, cancel := cmdutil.SignalContext(context.Background(), dmsgWebLog) + defer cancel() + + pk, err := sk.PubKey() + if err != nil { + pk, sk = cipher.GenerateKeyPair() + } + dmsgWebLog.Info("dmsg client pk: ", pk.String()) + + dmsgWebLog.Info("dmsg address to dial: ", resolveDmsgAddr) + dmsgAddr = strings.Split(resolveDmsgAddr, ":") + var setpk cipher.PubKey + err = setpk.Set(dmsgAddr[0]) + if err != nil { + log.Fatalf("failed to parse dmsg
: : %v", err) + } + dialPK = setpk + if len(dmsgAddr) > 1 { + dport, err := strconv.ParseUint(dmsgAddr[1], 10, 64) + if err != nil { + log.Fatalf("Failed to parse dmsg port: %v", err) + } + dmsgPort = uint(dport) + } else { + dmsgPort = uint(80) + } + + dmsgC, closeDmsg, err = startDmsg(ctx, pk, sk) + if err != nil { + dmsgWebLog.WithError(err).Fatal("failed to start dmsg") + } + defer closeDmsg() + + go func() { + <-ctx.Done() + cancel() + closeDmsg() + os.Exit(0) + }() + + proxyTCPConn() + wg.Wait() + }, +} + +func proxyTCPConn() { + listener, err := net.Listen("tcp", fmt.Sprintf(":%v", webPort)) + if err != nil { + dmsgWebLog.Fatalf("Failed to start TCP listener on port %v: %v", webPort, err) + } + defer listener.Close() //nolint + log.Printf("Serving TCP on 127.0.0.1:%v", webPort) + if dmsgC == nil { + log.Fatal("dmsgC is nil") + } + + for { + conn, err := listener.Accept() + if err != nil { + log.Printf("Failed to accept connection: %v", err) + continue + } + + wg.Add(1) + go func(conn net.Conn) { + defer wg.Done() + + log.Println(fmt.Sprintf("Dialing dmsg address: %v ; port: %v", dialPK.String(), dmsgPort)) + dmsgConn, err := dmsgC.DialStream(context.Background(), dmsg.Addr{PK: dialPK, Port: uint16(dmsgPort)}) + if err != nil { + log.Printf("Failed to dial dmsg address %v:%v %v", dialPK.String(), dmsgPort, err) + return + } + // Log data copied to the dmsg connection (from the client connection) + go func() { + defer dmsgConn.Close() + reader := io.TeeReader(conn, logWriter("client -> dmsg", dmsgWebLog)) + _, err := io.Copy(dmsgConn, reader) + if err != nil { + log.Printf("Error copying data to dmsg client: %v", err) + } + }() + + // Log data copied from the dmsg connection (to the client connection) + go func() { + defer conn.Close() //nolint + reader := io.TeeReader(dmsgConn, logWriter("dmsg -> client", dmsgWebLog)) + _, err := io.Copy(conn, reader) + if err != nil { + log.Printf("Error copying data from dmsg client: %v", err) + } + }() + }(conn) + wg.Wait() + } +} + +// logWriter creates a writer that logs the copied data with a prefix. +func logWriter(direction string, log *logging.Logger) io.Writer { + return &logWriterImpl{ + prefix: direction, + log: log, + } +} + +// logWriterImpl is an implementation of io.Writer that logs data as it is written. +type logWriterImpl struct { + prefix string + log *logging.Logger +} + +func (lw *logWriterImpl) Write(p []byte) (int, error) { + lw.log.Printf("[%s] %s", lw.prefix, string(p)) // Log the data as a string. + return len(p), nil +} + +func startDmsg(ctx context.Context, pk cipher.PubKey, sk cipher.SecKey) (dmsgC *dmsg.Client, stop func(), err error) { + dmsgC = dmsg.NewClient(pk, sk, disc.NewHTTP(dmsgDisc, &http.Client{}, dmsgWebLog), &dmsg.Config{MinSessions: dmsgSessions}) + go dmsgC.Serve(context.Background()) + + stop = func() { + err := dmsgC.Close() + dmsgWebLog.WithError(err).Debug("Disconnected from dmsg network.") + fmt.Printf("\n") + } + dmsgWebLog.WithField("public_key", pk.String()).WithField("dmsg_disc", dmsgDisc). + Debug("Connecting to dmsg network...") + + select { + case <-ctx.Done(): + stop() + os.Exit(0) + return nil, nil, ctx.Err() + + case <-dmsgC.Ready(): + dmsgWebLog.Debug("Dmsg network ready.") + return dmsgC, stop, nil + } +} diff --git a/examples/tcp/README.md b/examples/tcp/README.md new file mode 100644 index 000000000..e7f523810 --- /dev/null +++ b/examples/tcp/README.md @@ -0,0 +1 @@ +example hello world via TCP diff --git a/examples/tcp/tcp.go b/examples/tcp/tcp.go new file mode 100644 index 000000000..c9569f1c2 --- /dev/null +++ b/examples/tcp/tcp.go @@ -0,0 +1,41 @@ +// example hello world TCP +package main + +import ( + "log" + "net" + "os" +) + +func main() { + // Start a TCP server listening on port 8000 + listener, err := net.Listen("tcp", os.Args[1]) //":8000") + if err != nil { + log.Fatal("Failed to start server:", err) + return + } + defer listener.Close() + log.Println("TCP server started on port", os.Args[1]) + + // Accept and handle incoming connections + for { + conn, err := listener.Accept() + if err != nil { + log.Println("Failed to accept connection:", err) + continue + } + go handleConnection(conn) + } +} + +func handleConnection(conn net.Conn) { + defer conn.Close() + log.Println("Handling Connection") + // Send a greeting message to the client + message := "Hello, World!\n" + _, err := conn.Write([]byte(message)) + if err != nil { + log.Println("Error writing response:", err) + return + } +} diff --git a/go.mod b/go.mod index 68e791586..0762c9fe6 100644 --- a/go.mod +++ b/go.mod @@ -1,30 +1,123 @@ module github.com/skycoin/dmsg -go 1.16 +go 1.25.4 require ( github.com/ActiveState/termtest/conpty v0.5.0 - github.com/VictoriaMetrics/metrics v1.18.1 - github.com/creack/pty v1.1.15 - github.com/go-chi/chi/v5 v5.0.8-0.20220103230436-7dbe9a0bd10f + github.com/VictoriaMetrics/metrics v1.40.2 + github.com/bitfield/script v0.24.1 + github.com/chen3feng/safecast v0.0.0-20220908170618-81b2ecd47937 + github.com/coder/websocket v1.8.14 + github.com/confiant-inc/go-socks5 v0.0.0-20210816151940-c1124825b1d6 + github.com/creack/pty v1.1.24 + github.com/gin-gonic/gin v1.11.0 + github.com/go-chi/chi/v5 v5.2.3 github.com/go-redis/redis/v8 v8.11.5 - github.com/google/go-cmp v0.5.7 // indirect + github.com/hashicorp/yamux v0.1.2 + github.com/ivanpirog/coloredcobra v1.0.1 github.com/json-iterator/go v1.1.12 - github.com/klauspost/compress v1.11.0 // indirect - github.com/pires/go-proxyproto v0.6.2 - github.com/sirupsen/logrus v1.8.1 + github.com/pires/go-proxyproto v0.8.1 + github.com/sirupsen/logrus v1.9.3 github.com/skycoin/noise v0.0.0-20180327030543-2492fe189ae6 - github.com/skycoin/skycoin v0.27.1 - github.com/skycoin/skywire-utilities v0.0.0-20230314131305-bdd8e27cbd46 - github.com/skycoin/yamux v0.0.0-20200803175205-571ceb89da9f - github.com/spf13/cobra v1.4.0 - github.com/stretchr/testify v1.7.0 - golang.org/x/crypto v0.0.0-20210921155107-089bfa567519 // indirect - golang.org/x/net v0.0.0-20211020060615-d418f374d309 - golang.org/x/sys v0.0.0-20220627191245-f75cf1eec38b - golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 - nhooyr.io/websocket v1.8.2 + github.com/skycoin/skycoin v0.28.2 + github.com/skycoin/skywire v1.3.32-0.20251215232901-7d4328a5ca17 + github.com/spf13/cobra v1.10.2 + github.com/stretchr/testify v1.11.1 + golang.org/x/net v0.48.0 + golang.org/x/sys v0.39.0 + golang.org/x/term v0.38.0 ) -// Uncomment for tests with alternate branches of 'skywire-utilities' -// replace github.com/skycoin/skywire-utilities => ../skywire-utilities +require ( + github.com/docker/docker v28.5.2+incompatible + github.com/xtaci/smux v1.5.49 +) + +require ( + github.com/Azure/go-ansiterm v0.0.0-20250102033503-faa5f7b0171c // indirect + github.com/Microsoft/go-winio v0.6.2 // indirect + github.com/bytedance/gopkg v0.1.3 // indirect + github.com/bytedance/sonic v1.14.2 // indirect + github.com/bytedance/sonic/loader v0.4.0 // indirect + github.com/cespare/xxhash/v2 v2.3.0 // indirect + github.com/cloudwego/base64x v0.1.6 // indirect + github.com/containerd/errdefs v1.0.0 // indirect + github.com/containerd/errdefs/pkg v0.3.0 // indirect + github.com/containerd/log v0.1.0 // indirect + github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect + github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect + github.com/distribution/reference v0.6.0 // indirect + github.com/docker/go-connections v0.4.0 // indirect + github.com/docker/go-units v0.4.0 // indirect + github.com/fatih/color v1.18.0 // indirect + github.com/felixge/httpsnoop v1.0.4 // indirect + github.com/gabriel-vasile/mimetype v1.4.12 // indirect + github.com/gin-contrib/sse v1.1.0 // indirect + github.com/go-logr/logr v1.4.3 // indirect + github.com/go-logr/stdr v1.2.2 // indirect + github.com/go-playground/locales v0.14.1 // indirect + github.com/go-playground/universal-translator v0.18.1 // indirect + github.com/go-playground/validator/v10 v10.30.1 // indirect + github.com/goccy/go-json v0.10.5 // indirect + github.com/goccy/go-yaml v1.19.1 // indirect + github.com/inconshreveable/mousetrap v1.1.0 // indirect + github.com/itchyny/gojq v0.12.18 // indirect + github.com/itchyny/timefmt-go v0.1.7 // indirect + github.com/klauspost/cpuid/v2 v2.3.0 // indirect + github.com/leodido/go-urn v1.4.0 // indirect + github.com/mattn/go-colorable v0.1.14 // indirect + github.com/mattn/go-isatty v0.0.20 // indirect + github.com/mgutz/ansi v0.0.0-20200706080929-d51e80ef957d // indirect + github.com/moby/docker-image-spec v1.3.1 // indirect + github.com/moby/sys/atomicwriter v0.1.0 // indirect + github.com/moby/term v0.5.2 // indirect + github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect + github.com/modern-go/reflect2 v1.0.2 // indirect + github.com/morikuni/aec v1.0.0 // indirect + github.com/opencontainers/go-digest v1.0.0 // indirect + github.com/opencontainers/image-spec v1.1.1 // indirect + github.com/pelletier/go-toml/v2 v2.2.4 // indirect + github.com/pkg/errors v0.9.1 // indirect + github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect + github.com/quic-go/qpack v0.6.0 // indirect + github.com/quic-go/quic-go v0.58.0 // indirect + github.com/spf13/pflag v1.0.10 // indirect + github.com/twitchyliquid64/golang-asm v0.15.1 // indirect + github.com/ugorji/go/codec v1.3.1 // indirect + github.com/valyala/fastrand v1.1.0 // indirect + github.com/valyala/histogram v1.2.0 // indirect + go.opentelemetry.io/auto/sdk v1.1.0 // indirect + go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.63.0 // indirect + go.opentelemetry.io/otel v1.38.0 // indirect + go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.38.0 // indirect + go.opentelemetry.io/otel/metric v1.38.0 // indirect + go.opentelemetry.io/otel/trace v1.38.0 // indirect + golang.org/x/arch v0.23.0 // indirect + golang.org/x/crypto v0.46.0 // indirect + golang.org/x/text v0.32.0 // indirect + google.golang.org/protobuf v1.36.11 // indirect + gopkg.in/yaml.v3 v3.0.1 // indirect + gotest.tools/v3 v3.5.2 // indirect + mvdan.cc/sh/v3 v3.12.0 // indirect +) + +// IT IS FORBIDDEN TO USE REPLACE DIRECTIVES + +// [error] The go.mod file for the module providing named packages contains one or +// more replace directives. It must not contain directives that would cause +// it to be interpreted differently than if it were the main module. + +// Uncomment for tests with local sources +//replace github.com/skycoin/skywire => ../skywire +//replace github.com/skycoin/skycoin => ../skycoin + +// Below should reflect current versions of the following deps +// To update deps to specific commit hash: +// 1) Uncomment one of the following lines and substituite version with desired commit hash: +//replace github.com/skycoin/skycoin => github.com/skycoin/skycoin v0.28.2 +//replace github.com/skycoin/skywire => github.com/skycoin/skywire v1.3.32-0.20251215232901-7d4328a5ca17 +// 2) Run `go mod tidy && go mod vendor` +// 3) Copy the populated version string to the correct place in require(...) above - replacing the specified version string +// 4) Re-comment the uncommented replace directive above +// 5) Save this file. +// 6) Run `go mod tidy && go mod vendor` diff --git a/go.sum b/go.sum index 42cad2eaf..927b3f00f 100644 --- a/go.sum +++ b/go.sum @@ -1,877 +1,272 @@ -cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= -cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= -cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU= -cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU= -cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY= -cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc= -cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0= -cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To= -cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4= -cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M= -cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc= -cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk= -cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs= -cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc= -cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY= -cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKPI= -cloud.google.com/go v0.74.0/go.mod h1:VV1xSbzvo+9QJOxLDaJfTjx5e+MePCpCWwvftOeQmWk= -cloud.google.com/go v0.78.0/go.mod h1:QjdrLG0uq+YwhjoVOLsS1t7TW8fs36kLs4XO5R5ECHg= -cloud.google.com/go v0.79.0/go.mod h1:3bzgcEeQlzbuEAYu4mrWhKqWjmpprinYgKJLgKHnbb8= -cloud.google.com/go v0.81.0/go.mod h1:mk/AM35KwGk/Nm2YSeZbxXdrNK3KZOYHmLkOqC2V6E0= -cloud.google.com/go v0.83.0/go.mod h1:Z7MJUsANfY0pYPdw0lbnivPx4/vhy/e2FEkSkF7vAVY= -cloud.google.com/go v0.84.0/go.mod h1:RazrYuxIK6Kb7YrzzhPoLmCVzl7Sup4NrbKPg8KHSUM= -cloud.google.com/go v0.87.0/go.mod h1:TpDYlFy7vuLzZMMZ+B6iRiELaY7z/gJPaqbMx6mlWcY= -cloud.google.com/go v0.90.0/go.mod h1:kRX0mNRHe0e2rC6oNakvwQqzyDmg57xJ+SZU1eT2aDQ= -cloud.google.com/go v0.93.3/go.mod h1:8utlLll2EF5XMAV15woO4lSbWQlk8rer9aLOfLh7+YI= -cloud.google.com/go v0.94.1/go.mod h1:qAlAugsXlC+JWO+Bke5vCtc9ONxjQT3drlTTnAplMW4= -cloud.google.com/go v0.97.0/go.mod h1:GF7l59pYBVlXQIBLx3a761cZ41F9bBH3JUlihCt2Udc= -cloud.google.com/go v0.98.0/go.mod h1:ua6Ush4NALrHk5QXDWnjvZHN93OuF0HfuEPq9I1X0cM= -cloud.google.com/go v0.99.0/go.mod h1:w0Xx2nLzqWJPuozYQX+hFfCSI8WioryfRDzkoI/Y2ZA= -cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o= -cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE= -cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc= -cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg= -cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc= -cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ= -cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE= -cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk= -cloud.google.com/go/firestore v1.6.1/go.mod h1:asNXNOzBdyVQmEU+ggO8UPodTkEVFW5Qx+rwHnAz+EY= -cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I= -cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw= -cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA= -cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU= -cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw= -cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos= -cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk= 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Start `dmsg-server`. ```bash - $ ./bin/dmsg-server ./integration/configs/dmsgserver1.json + $ ./bin/dmsg-server start ./integration/configs/dmsgserver1.json ``` ## Put dmsg-server under load @@ -48,4 +48,4 @@ For close all visors and delete generated configs, use these two commands: ``` pkill -9 -f 'skywire-visor -c ./config' rm config* -``` \ No newline at end of file +``` diff --git a/internal/cli/cli.go b/internal/cli/cli.go new file mode 100644 index 000000000..521244a19 --- /dev/null +++ b/internal/cli/cli.go @@ -0,0 +1,513 @@ +// Package cli internal/cli/go +package cli + +import ( + "context" + "fmt" + "io" + "log" + "net/http" + "time" + + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + + "github.com/skycoin/dmsg/internal/flags" + "github.com/skycoin/dmsg/pkg/direct" + "github.com/skycoin/dmsg/pkg/disc" + "github.com/skycoin/dmsg/pkg/dmsg" + "github.com/skycoin/dmsg/pkg/dmsghttp" +) + +/* +Default mode of operation is dmsghttp: +* Start dmsg-direct client ; connect directly to a dmsg server +* HTTP client is configured with a dmsg HTTP transport provided by the dmsg-direct client +* HTTP client is used to make HTTP GET request to '/health' of dmsg discovery dmsg address +* If the dmsg-discovery is unreachable via the configured http client: + - Shuffle dmsg servers + - Re-make dmsg direct clent + - Reconfigure HTTP client with dmsg HTTP transport provided by the dmsg-direct client + - Fetch '/health' from dmsg discovery dmsg address [:] + - Repeat the previous 4 steps on error / until no error +* Start dmsghttp client +* Connect to dmsg client address (if specified) + +'-Z' flag: use plain http to connect to dmsg-discovery +* HTTP client is used to make HTTP GET request to '/health' of dmsg discovery URL +* Start dmsg client +* Connect to dmsg client address (if specified) + +'-B' flag: use dmsg direct client +* Start dmsg-direct client +* Connect to dmsg client address (if specified) +*/ + +// InitDmsgWithFlags starts dmsg with flags from the flags package +func InitDmsgWithFlags(ctx context.Context, dlog *logging.Logger, pk cipher.PubKey, sk cipher.SecKey, httpClient *http.Client, destination string) (dmsgC *dmsg.Client, stop func(), err error) { + if flags.UseDC { + return StartDmsgDirect(ctx, dlog, pk, sk, "", flags.DmsgSessions, dmsg.ExtractPKFromDmsgAddr(destination)) + } + if flags.UseHTTP { + resp, err := httpClient.Get(flags.DmsgDiscURL + "/health") + if err != nil { + dlog.WithError(err).Fatal("Error connecting to dmsg-discovery with http client") + } + defer resp.Body.Close() //nolint + + body, err := io.ReadAll(resp.Body) + if err != nil { + dlog.WithError(err).Error("Failed to read response body from discovery") + } else { + dlog.Infof("Received response from dmsg-discovery server %s/health:\n%s", flags.DmsgDiscURL, string(body)) + } + + // Use direct client with synthetic entries for discovery server and all dmsg servers + // This allows dialing the discovery server which doesn't register itself + return StartDmsgWithDirectClient(ctx, dlog, pk, sk, flags.DmsgSessions) + } + + // Default dmsghttp mode + var dmsgHTTP *http.Client + var dmsgClients []*dmsg.Client + var closeFns []func() + + dlog.Debug("Starting DMSG direct clients.") + for _, server := range dmsg.Prod.DmsgServers { + if len(dmsgClients) >= flags.DmsgSessions { + break + } + + dmsgDC, closeFn, err := StartDmsgDirectWithServers(ctx, dlog, pk, sk, flags.DmsgDiscAddr, []*disc.Entry{&server}, flags.DmsgSessions, dmsg.ExtractPKFromDmsgAddr(flags.DmsgDiscAddr)) + if err != nil { + dlog.WithError(err).Error("Failed to start DMSG direct client. Skipping server...") + continue + } + + dmsgClients = append(dmsgClients, dmsgDC) + closeFns = append(closeFns, closeFn) + } + + if len(dmsgClients) == 0 { + dlog.Fatal("Failed to start any DMSG direct clients.") + } + + // Build HTTP client with fallback round tripper + dmsgHTTP = &http.Client{ + Transport: NewFallbackRoundTripper(ctx, dmsgClients), + } + + dlog.Debug("Checking discovery /health using DMSG HTTP client.") + resp, err := dmsgHTTP.Get(flags.DmsgDiscAddr + "/health") + if err != nil { + for _, fn := range closeFns { + fn() + } + dlog.WithError(err).Fatal("All DMSG transports failed to reach discovery /health") + } + defer resp.Body.Close() //nolint + + body, err := io.ReadAll(resp.Body) + if err != nil { + dlog.WithError(err).Error("Failed to read discovery /health response body") + } else { + dlog.Infof("Received response from dmsg-discovery server %s/health:\n%s", flags.DmsgDiscAddr, string(body)) + } + + return StartDmsgWithSyntheticDiscovery(ctx, dlog, pk, sk, dmsgHTTP, flags.DmsgDiscAddr, flags.DmsgSessions) +} + +// StartDmsgWithSyntheticDiscovery starts dmsg with a synthetic discovery entry for the discovery server itself +func StartDmsgWithSyntheticDiscovery(ctx context.Context, dlog *logging.Logger, pk cipher.PubKey, sk cipher.SecKey, httpClient *http.Client, dmsgDisc string, dmsgSessions int) (dmsgC *dmsg.Client, stop func(), err error) { + if dlog == nil { + return nil, nil, fmt.Errorf("nil logger") + } + + // Create base discovery client + baseDiscClient := disc.NewHTTP(dmsgDisc, httpClient, dlog) + + // Wrap with caching client that includes synthetic entry for discovery server + discPK := dmsg.ExtractPKFromDmsgAddr(dmsgDisc) + if discPK != "" { + var discoveryPK cipher.PubKey + if err := discoveryPK.UnmarshalText([]byte(discPK)); err == nil { + // Get all available dmsg servers as delegated servers + var delegatedServers []cipher.PubKey + for _, server := range dmsg.Prod.DmsgServers { + delegatedServers = append(delegatedServers, server.Static) + } + syntheticEntry := &disc.Entry{ + Version: "0.0.1", + Static: discoveryPK, + Client: &disc.Client{ + DelegatedServers: delegatedServers, + }, + } + baseDiscClient = newCachingDiscClient(baseDiscClient, syntheticEntry, dlog) + dlog.Debug("Created synthetic discovery entry for dialing") + } + } + + dmsgC = dmsg.NewClient(pk, sk, baseDiscClient, &dmsg.Config{MinSessions: dmsgSessions}) + dlog.Debug("Created dmsg client.") + + go dmsgC.Serve(ctx) + dlog.Debug("dmsgclient.Serve(ctx)") + + stop = func() { + err := dmsgC.Close() + dlog.WithError(err).Debug("Disconnected from dmsg network.\n") + log.Println() + } + dlog.WithField("dmsg_disc", dmsgDisc).Debug("Connecting to dmsg network...\n") + dlog.WithField("client public_key", pk.String()).Debug("\n") + select { + case <-ctx.Done(): + stop() + return nil, nil, ctx.Err() + + case <-dmsgC.Ready(): + dlog.Debug("Dmsg network ready.") + return dmsgC, stop, nil + } +} + +// StartDmsg starts dmsg returns a dmsg client for the given dmsg discovery +func StartDmsg(ctx context.Context, dlog *logging.Logger, pk cipher.PubKey, sk cipher.SecKey, httpClient *http.Client, dmsgDisc string, dmsgSessions int) (dmsgC *dmsg.Client, stop func(), err error) { + if dlog == nil { + return nil, nil, fmt.Errorf("nil logger") + } + + dmsgC = dmsg.NewClient(pk, sk, disc.NewHTTP(dmsgDisc, httpClient, dlog), &dmsg.Config{MinSessions: dmsgSessions}) + dlog.Debug("Created dmsg client.") + + go dmsgC.Serve(ctx) + dlog.Debug("dmsgclient.Serve(ctx)") + + stop = func() { + err := dmsgC.Close() + dlog.WithError(err).Debug("Disconnected from dmsg network.\n") + log.Println() + } + dlog.WithField("dmsg_disc", dmsgDisc).Debug("Connecting to dmsg network...\n") + dlog.WithField("client public_key", pk.String()).Debug("\n") + select { + case <-ctx.Done(): + stop() + return nil, nil, ctx.Err() + + case <-dmsgC.Ready(): + dlog.Debug("Dmsg network ready.") + return dmsgC, stop, nil + } +} + +// StartDmsgDirect starts dmsg returns a dmsg direct client +func StartDmsgDirect(ctx context.Context, dlog *logging.Logger, pk cipher.PubKey, sk cipher.SecKey, dmsgDiscAddr string, dmsgSessions int, destination string) (*dmsg.Client, func(), error) { + if len(dmsg.Prod.DmsgServers) == 0 { + return nil, nil, fmt.Errorf("no DMSG servers configured") + } + + serverPtrs := make([]*disc.Entry, len(dmsg.Prod.DmsgServers)) + for i := range dmsg.Prod.DmsgServers { + serverPtrs[i] = &dmsg.Prod.DmsgServers[i] + } + + return StartDmsgDirectWithServers(ctx, dlog, pk, sk, dmsgDiscAddr, serverPtrs, dmsgSessions, destination) +} + +// StartDmsgDirectWithServers starts a DMSG client using the provided set of DMSG servers. +// It attempts to connect and validate discovery access via the full server set. +func StartDmsgDirectWithServers(ctx context.Context, dlog *logging.Logger, pk cipher.PubKey, sk cipher.SecKey, dmsgDiscAddr string, dmsgServers []*disc.Entry, dmsgSessions int, destination string) (dmsgC *dmsg.Client, stop func(), err error) { + + if len(dmsgServers) == 0 { + return nil, nil, fmt.Errorf("no DMSG servers provided") + } + + // Fix `dmsg error 102 - entry is not of client in discovery` error + destinationPk := cipher.PubKey{} + if err = destinationPk.UnmarshalText([]byte(destination)); err != nil { + return nil, nil, fmt.Errorf("destination address (pk) is wrong") + } + + // Build direct client with all provided servers + var keys cipher.PubKeys + keys = append(keys, pk) + entries := direct.GetAllEntries(keys, dmsgServers) + dClient := direct.NewClient(entries, dlog) + + // Post client entry with all delegated servers + var delegatedServers []cipher.PubKey + for _, srv := range dmsgServers { + delegatedServers = append(delegatedServers, srv.Static) + } + clientEntry := &disc.Entry{ + Client: &disc.Client{ + DelegatedServers: delegatedServers, + }, + Static: destinationPk, + } + if err := dClient.PostEntry(ctx, clientEntry); err != nil { + return nil, nil, fmt.Errorf("failed to post client entry: %w", err) + } + + // Configure and start DMSG client + dmsgConfig := dmsg.DefaultConfig() + dmsgConfig.MinSessions = dmsgSessions + + dmsgC, stop, err = direct.StartDmsg(ctx, dlog, pk, sk, dClient, dmsgConfig) + if err != nil { + return nil, nil, fmt.Errorf("failed to start DMSG client: %w", err) + } + if dmsgDiscAddr != "" { + // Validate that we can access discovery over DMSG + // Retry with exponential backoff to handle session initialization timing + dmsgHTTP := &http.Client{Transport: dmsghttp.MakeHTTPTransport(ctx, dmsgC)} + var resp *http.Response + maxRetries := 5 + for i := 0; i < maxRetries; i++ { + resp, err = dmsgHTTP.Get(dmsgDiscAddr + "/health") + if err == nil { + resp.Body.Close() //nolint + break + } + if i < maxRetries-1 { + backoff := time.Duration(200*(i+1)) * time.Millisecond + dlog.WithError(err).Debugf("Failed to reach discovery, retrying in %v (attempt %d/%d)", backoff, i+1, maxRetries) + time.Sleep(backoff) + } + } + if err != nil { + stop() // Cleanup if validation fails + return nil, nil, fmt.Errorf("failed to reach discovery server via DMSG: %w", err) + } + } + + return dmsgC, stop, nil +} + +// StartDmsgWithDirectClient starts dmsg with a fallback discovery client +// This allows dialing any client including the discovery server which doesn't register itself +// It uses direct client for known entries (servers, discovery, local client) and falls back +// to HTTP discovery for unknown entries (arbitrary target clients) +func StartDmsgWithDirectClient(ctx context.Context, dlog *logging.Logger, pk cipher.PubKey, sk cipher.SecKey, dmsgSessions int) (dmsgC *dmsg.Client, stop func(), err error) { + if dlog == nil { + return nil, nil, fmt.Errorf("nil logger") + } + + // Build entries for all dmsg servers + var entries []*disc.Entry + for _, server := range dmsg.Prod.DmsgServers { + entries = append(entries, &server) + } + + // Add synthetic entry for discovery server + discPK := dmsg.ExtractPKFromDmsgAddr(flags.DmsgDiscAddr) + if discPK != "" { + var discoveryPK cipher.PubKey + if err := discoveryPK.UnmarshalText([]byte(discPK)); err == nil { + var delegatedServers []cipher.PubKey + for _, server := range dmsg.Prod.DmsgServers { + delegatedServers = append(delegatedServers, server.Static) + } + discoveryEntry := &disc.Entry{ + Version: "0.0.1", + Static: discoveryPK, + Client: &disc.Client{ + DelegatedServers: delegatedServers, + }, + } + entries = append(entries, discoveryEntry) + dlog.Debug("Added synthetic discovery entry to direct client") + } + } + + // Add synthetic entry for our own client + var delegatedServers []cipher.PubKey + for _, server := range dmsg.Prod.DmsgServers { + delegatedServers = append(delegatedServers, server.Static) + } + clientEntry := &disc.Entry{ + Version: "0.0.1", + Static: pk, + Client: &disc.Client{ + DelegatedServers: delegatedServers, + }, + } + entries = append(entries, clientEntry) + + // Create direct client with known entries + directClient := direct.NewClient(entries, dlog) + + // Create HTTP discovery client as fallback for unknown entries + httpDiscClient := disc.NewHTTP(flags.DmsgDiscURL, &http.Client{}, dlog) + + // Wrap with fallback client that tries direct first, then HTTP discovery + fallbackClient := newFallbackDiscClient(directClient, httpDiscClient, dlog) + + dmsgC = dmsg.NewClient(pk, sk, fallbackClient, &dmsg.Config{MinSessions: dmsgSessions}) + dlog.Debug("Created dmsg client with fallback discovery client (direct + HTTP).") + + go dmsgC.Serve(ctx) + dlog.Debug("dmsgclient.Serve(ctx)") + + stop = func() { + err := dmsgC.Close() + dlog.WithError(err).Debug("Disconnected from dmsg network.\n") + log.Println() + } + dlog.Debug("Connecting to dmsg network...\n") + dlog.WithField("client public_key", pk.String()).Debug("\n") + select { + case <-ctx.Done(): + stop() + return nil, nil, ctx.Err() + + case <-dmsgC.Ready(): + dlog.Debug("Dmsg network ready.") + return dmsgC, stop, nil + } +} + +// cachingDiscClient wraps a discovery client and caches a synthetic entry +type cachingDiscClient struct { + base disc.APIClient + syntheticEntry *disc.Entry + log *logging.Logger +} + +// newCachingDiscClient creates a discovery client that caches a synthetic entry +func newCachingDiscClient(base disc.APIClient, syntheticEntry *disc.Entry, log *logging.Logger) disc.APIClient { + return &cachingDiscClient{ + base: base, + syntheticEntry: syntheticEntry, + log: log, + } +} + +// Entry returns the synthetic entry if PK matches, otherwise queries base client +func (c *cachingDiscClient) Entry(ctx context.Context, pk cipher.PubKey) (*disc.Entry, error) { + if c.syntheticEntry != nil && c.syntheticEntry.Static == pk { + c.log.WithField("pk", pk.String()).Debug("Returning synthetic discovery entry") + return c.syntheticEntry, nil + } + return c.base.Entry(ctx, pk) +} + +// PostEntry delegates to base client +func (c *cachingDiscClient) PostEntry(ctx context.Context, entry *disc.Entry) error { + return c.base.PostEntry(ctx, entry) +} + +// PutEntry delegates to base client +func (c *cachingDiscClient) PutEntry(ctx context.Context, sk cipher.SecKey, entry *disc.Entry) error { + return c.base.PutEntry(ctx, sk, entry) +} + +// DelEntry delegates to base client +func (c *cachingDiscClient) DelEntry(ctx context.Context, entry *disc.Entry) error { + return c.base.DelEntry(ctx, entry) +} + +// AvailableServers delegates to base client +func (c *cachingDiscClient) AvailableServers(ctx context.Context) ([]*disc.Entry, error) { + return c.base.AvailableServers(ctx) +} + +// AllServers delegates to base client +func (c *cachingDiscClient) AllServers(ctx context.Context) ([]*disc.Entry, error) { + return c.base.AllServers(ctx) +} + +// AllEntries delegates to base client +func (c *cachingDiscClient) AllEntries(ctx context.Context) ([]string, error) { + return c.base.AllEntries(ctx) +} + +// fallbackDiscClient tries direct client first, falls back to HTTP discovery for unknown entries +type fallbackDiscClient struct { + direct disc.APIClient + http disc.APIClient + log *logging.Logger +} + +// newFallbackDiscClient creates a discovery client that tries direct first, then HTTP +func newFallbackDiscClient(direct, http disc.APIClient, log *logging.Logger) disc.APIClient { + return &fallbackDiscClient{ + direct: direct, + http: http, + log: log, + } +} + +// Entry tries direct client first, falls back to HTTP for unknown entries +func (f *fallbackDiscClient) Entry(ctx context.Context, pk cipher.PubKey) (*disc.Entry, error) { + // Try direct client first + entry, err := f.direct.Entry(ctx, pk) + if err == nil && entry.Static == pk { + return entry, nil + } + + // Fall back to HTTP discovery for unknown entries + f.log.WithField("pk", pk.String()).Debug("Entry not in direct client, querying HTTP discovery") + return f.http.Entry(ctx, pk) +} + +// PostEntry delegates to direct client +func (f *fallbackDiscClient) PostEntry(ctx context.Context, entry *disc.Entry) error { + return f.direct.PostEntry(ctx, entry) +} + +// PutEntry delegates to HTTP client (direct client doesn't support updates) +func (f *fallbackDiscClient) PutEntry(ctx context.Context, sk cipher.SecKey, entry *disc.Entry) error { + return f.http.PutEntry(ctx, sk, entry) +} + +// DelEntry delegates to direct client +func (f *fallbackDiscClient) DelEntry(ctx context.Context, entry *disc.Entry) error { + return f.direct.DelEntry(ctx, entry) +} + +// AvailableServers delegates to direct client +func (f *fallbackDiscClient) AvailableServers(ctx context.Context) ([]*disc.Entry, error) { + return f.direct.AvailableServers(ctx) +} + +// AllServers delegates to direct client +func (f *fallbackDiscClient) AllServers(ctx context.Context) ([]*disc.Entry, error) { + return f.direct.AllServers(ctx) +} + +// AllEntries delegates to direct client +func (f *fallbackDiscClient) AllEntries(ctx context.Context) ([]string, error) { + return f.direct.AllEntries(ctx) +} + +// FallbackRoundTripper tries multiple DMSG transports until one succeeds. +type FallbackRoundTripper struct { + ctx context.Context + clients []*dmsg.Client +} + +// NewFallbackRoundTripper initializes the fallback round tripper. +func NewFallbackRoundTripper(ctx context.Context, clients []*dmsg.Client) http.RoundTripper { + return &FallbackRoundTripper{ + ctx: ctx, + clients: clients, + } +} + +// RoundTrip tries each DMSG client in order until a successful response is received. +func (f *FallbackRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) { + var lastErr error + for _, client := range f.clients { + rt := dmsghttp.MakeHTTPTransport(f.ctx, client) + resp, err := rt.RoundTrip(req) + if err != nil { + lastErr = err + continue + } + return resp, nil + } + return nil, fmt.Errorf("all DMSG transports failed: last error: %w", lastErr) +} diff --git a/internal/discmetrics/victoria_metrics.go b/internal/discmetrics/victoria_metrics.go index 777318a25..854afadb4 100644 --- a/internal/discmetrics/victoria_metrics.go +++ b/internal/discmetrics/victoria_metrics.go @@ -2,7 +2,7 @@ package discmetrics import ( - "github.com/skycoin/skywire-utilities/pkg/metricsutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/metricsutil" ) // VictoriaMetrics implements `Metrics` using `VictoriaMetrics`. diff --git a/internal/dmsg-discovery/api/api.go b/internal/dmsg-discovery/api/api.go index af683a3c0..48cfd4d10 100644 --- a/internal/dmsg-discovery/api/api.go +++ b/internal/dmsg-discovery/api/api.go @@ -12,16 +12,17 @@ import ( "github.com/go-chi/chi/v5/middleware" jsoniter "github.com/json-iterator/go" "github.com/sirupsen/logrus" - "github.com/skycoin/skywire-utilities/pkg/buildinfo" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/httputil" - "github.com/skycoin/skywire-utilities/pkg/logging" - "github.com/skycoin/skywire-utilities/pkg/metricsutil" - "github.com/skycoin/skywire-utilities/pkg/networkmonitor" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/buildinfo" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/httputil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/metricsutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/networkmonitor" "github.com/skycoin/dmsg/internal/discmetrics" "github.com/skycoin/dmsg/internal/dmsg-discovery/store" "github.com/skycoin/dmsg/pkg/disc" + "github.com/skycoin/dmsg/pkg/dmsg" ) var log = logging.MustGetLogger("dmsg-discovery") @@ -42,10 +43,14 @@ type API struct { testMode bool startedAt time.Time enableLoadTesting bool + dmsgAddr string + DmsgServers []string + authPassphrase string + OfficialServers map[string]bool } // New returns a new API object, which can be started as a server -func New(log logrus.FieldLogger, db store.Storer, m discmetrics.Metrics, testMode, enableLoadTesting, enableMetrics bool) *API { +func New(log logrus.FieldLogger, db store.Storer, m discmetrics.Metrics, testMode, enableLoadTesting, enableMetrics bool, dmsgAddr, authPassphrase string) *API { if log != nil { log = logging.MustGetLogger("dmsg_disc") } @@ -63,6 +68,10 @@ func New(log logrus.FieldLogger, db store.Storer, m discmetrics.Metrics, testMod startedAt: time.Now(), enableLoadTesting: enableLoadTesting, reqsInFlightCountMiddleware: metricsutil.NewRequestsInFlightCountMiddleware(), + dmsgAddr: dmsgAddr, + DmsgServers: []string{}, + authPassphrase: authPassphrase, + OfficialServers: make(map[string]bool), } r.Use(middleware.RequestID) @@ -80,6 +89,7 @@ func New(log logrus.FieldLogger, db store.Storer, m discmetrics.Metrics, testMod r.Post("/dmsg-discovery/entry/{pk}", api.setEntry()) r.Delete("/dmsg-discovery/entry", api.delEntry()) r.Get("/dmsg-discovery/entries", api.allEntries()) + r.Get("/dmsg-discovery/visorEntries", api.allVisorEntries()) r.Delete("/dmsg-discovery/deregister", api.deregisterEntry()) r.Get("/dmsg-discovery/available_servers", api.getAvailableServers()) r.Get("/dmsg-discovery/all_servers", api.getAllServers()) @@ -108,7 +118,7 @@ func (a *API) RunBackgroundTasks(ctx context.Context, log logrus.FieldLogger) { } // AllServers is used to get all the available servers registered to the dmsg-discovery. -func (a *API) AllServers(ctx context.Context, log logrus.FieldLogger) (entries []*disc.Entry, err error) { +func (a *API) AllServers(ctx context.Context, _ logrus.FieldLogger) (entries []*disc.Entry, err error) { entries, err = a.db.AllServers(ctx) if err != nil { return entries, err @@ -154,6 +164,20 @@ func (a *API) allEntries() func(w http.ResponseWriter, r *http.Request) { } } +// allVisorEntries returns all visor client entries connected to dmsg +// URI: /dmsg-discovery/visorEntries +// Method: GET +func (a *API) allVisorEntries() func(w http.ResponseWriter, r *http.Request) { + return func(w http.ResponseWriter, r *http.Request) { + entries, err := a.db.AllVisorEntries(r.Context()) + if err != nil { + a.handleError(w, r, err) + return + } + a.writeJSON(w, r, http.StatusOK, entries) + } +} + // deregisterEntry deletes the client entry associated with the PK requested by the network monitor // URI: /dmsg-discovery/deregister/:pk // Method: DELETE @@ -247,7 +271,6 @@ func (a *API) setEntry() func(w http.ResponseWriter, r *http.Request) { if timeout := r.URL.Query().Get("timeout"); timeout == "true" { entryTimeout = store.DefaultTimeout } - entry := new(disc.Entry) if err := json.NewDecoder(r.Body).Decode(entry); err != nil { a.handleError(w, r, disc.ErrUnexpected) @@ -283,6 +306,14 @@ func (a *API) setEntry() func(w http.ResponseWriter, r *http.Request) { } } + if entry.Server != nil { + if entry.Server.ServerType == a.authPassphrase || a.OfficialServers[entry.Static.Hex()] { + entry.Server.ServerType = dmsg.DefaultOfficialDmsgServerType + } else { + entry.Server.ServerType = dmsg.DefaultCommunityDmsgServerType + } + } + // Recover previous entry. If key not found we insert with sequence 0 // If there was a previous entry we check the new one is a valid iteration oldEntry, err := a.db.Entry(r.Context(), entry.Static) @@ -413,8 +444,10 @@ func (a *API) getAllServers() http.HandlerFunc { func (a *API) serviceHealth(w http.ResponseWriter, r *http.Request) { info := buildinfo.Get() a.writeJSON(w, r, http.StatusOK, httputil.HealthCheckResponse{ - BuildInfo: info, - StartedAt: a.startedAt, + BuildInfo: info, + StartedAt: a.startedAt, + DmsgAddr: a.dmsgAddr, + DmsgServers: a.DmsgServers, }) } diff --git a/internal/dmsg-discovery/api/entries_endpoint_test.go b/internal/dmsg-discovery/api/entries_endpoint_test.go index 6150f225a..bce1d0b2f 100644 --- a/internal/dmsg-discovery/api/entries_endpoint_test.go +++ b/internal/dmsg-discovery/api/entries_endpoint_test.go @@ -10,8 +10,8 @@ import ( "testing" "time" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" "github.com/stretchr/testify/require" "github.com/skycoin/dmsg/internal/discmetrics" @@ -54,7 +54,8 @@ func TestEntriesEndpoint(t *testing.T) { contentType: "application/json", responseIsEntry: true, entry: baseEntry, - entryPreHook: func(t *testing.T, e *disc.Entry, body *string) { + // entryPreHook: func(t *testing.T, e *disc.Entry, body *string) { + entryPreHook: func(t *testing.T, e *disc.Entry, _ *string) { err := e.Sign(sk) require.NoError(t, err) }, @@ -182,7 +183,7 @@ func TestEntriesEndpoint(t *testing.T) { tc.storerPreHook(t, dbMock, &tc.entry) } - api := New(nil, dbMock, discmetrics.NewEmpty(), true, false, true) + api := New(nil, dbMock, discmetrics.NewEmpty(), true, false, true, "", "") req, err := http.NewRequest(tc.method, tc.endpoint, bytes.NewBufferString(tc.httpBody)) require.NoError(t, err) diff --git a/internal/dmsg-discovery/api/error_handler_test.go b/internal/dmsg-discovery/api/error_handler_test.go index d37589e8e..9bcb03517 100644 --- a/internal/dmsg-discovery/api/error_handler_test.go +++ b/internal/dmsg-discovery/api/error_handler_test.go @@ -35,7 +35,7 @@ func TestErrorHandler(t *testing.T) { tc := tc t.Run(tc.err.Error(), func(t *testing.T) { w := httptest.NewRecorder() - api := New(nil, store.NewMock(), discmetrics.NewEmpty(), true, false, true) + api := New(nil, store.NewMock(), discmetrics.NewEmpty(), true, false, true, "", "") api.handleError(w, &http.Request{}, tc.err) msg := new(disc.HTTPMessage) diff --git a/internal/dmsg-discovery/api/get_available_servers_test.go b/internal/dmsg-discovery/api/get_available_servers_test.go index 47d7bfa4c..1f814058e 100644 --- a/internal/dmsg-discovery/api/get_available_servers_test.go +++ b/internal/dmsg-discovery/api/get_available_servers_test.go @@ -9,8 +9,8 @@ import ( "testing" "time" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" "github.com/stretchr/testify/require" "github.com/skycoin/dmsg/internal/discmetrics" @@ -117,7 +117,7 @@ func TestGetAvailableServers(t *testing.T) { t.Run(tc.name, func(t *testing.T) { db, entries := tc.databaseAndEntries(t) - api := New(nil, db, discmetrics.NewEmpty(), true, false, true) + api := New(nil, db, discmetrics.NewEmpty(), true, false, true, "", "") req, err := http.NewRequest(tc.method, tc.endpoint, nil) require.NoError(t, err) diff --git a/internal/dmsg-discovery/store/redis.go b/internal/dmsg-discovery/store/redis.go index 013feea46..a514a77f8 100644 --- a/internal/dmsg-discovery/store/redis.go +++ b/internal/dmsg-discovery/store/redis.go @@ -8,9 +8,9 @@ import ( "github.com/go-redis/redis/v8" jsoniter "github.com/json-iterator/go" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/logging" - "github.com/skycoin/skywire-utilities/pkg/netutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/netutil" "github.com/skycoin/dmsg/pkg/disc" dmsg "github.com/skycoin/dmsg/pkg/dmsg" @@ -93,6 +93,13 @@ func (r *redisStore) SetEntry(ctx context.Context, entry *disc.Entry, timeout ti return disc.ErrUnexpected } } + if entry.ClientType == "visor" { + err = r.client.SAdd(ctx, "visorClients", entry.Static.Hex()).Err() + if err != nil { + log.WithError(err).Errorf("Failed to add to visorClients (SAdd) from redis") + return disc.ErrUnexpected + } + } return nil } @@ -107,6 +114,7 @@ func (r *redisStore) DelEntry(ctx context.Context, staticPubKey cipher.PubKey) e // Delete pubkey from servers or clients set stored r.client.SRem(ctx, "servers", staticPubKey.Hex()) r.client.SRem(ctx, "clients", staticPubKey.Hex()) + r.client.SRem(ctx, "visorClients", staticPubKey.Hex()) return nil } @@ -233,3 +241,11 @@ func (r *redisStore) AllEntries(ctx context.Context) ([]string, error) { } return clients, err } + +func (r *redisStore) AllVisorEntries(ctx context.Context) ([]string, error) { + clients, err := r.client.SMembers(ctx, "visorClients").Result() + if err != nil { + return nil, err + } + return clients, err +} diff --git a/internal/dmsg-discovery/store/redis_test.go b/internal/dmsg-discovery/store/redis_test.go index 945b2a673..cba0a6960 100644 --- a/internal/dmsg-discovery/store/redis_test.go +++ b/internal/dmsg-discovery/store/redis_test.go @@ -9,8 +9,8 @@ import ( "testing" "time" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" diff --git a/internal/dmsg-discovery/store/storer.go b/internal/dmsg-discovery/store/storer.go index 2258f9a60..12cb9a82c 100644 --- a/internal/dmsg-discovery/store/storer.go +++ b/internal/dmsg-discovery/store/storer.go @@ -6,8 +6,8 @@ import ( "errors" "time" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" "github.com/skycoin/dmsg/pkg/disc" ) @@ -46,6 +46,9 @@ type Storer interface { // AllEntries returns all clients PKs. AllEntries(ctx context.Context) ([]string, error) + + // AllVisorEntries returns all clients PKs. + AllVisorEntries(ctx context.Context) ([]string, error) } // Config configures the Store object. diff --git a/internal/dmsg-discovery/store/testing.go b/internal/dmsg-discovery/store/testing.go index ba8c6ba97..7809b4e10 100644 --- a/internal/dmsg-discovery/store/testing.go +++ b/internal/dmsg-discovery/store/testing.go @@ -6,7 +6,7 @@ import ( "sync" "time" - "github.com/skycoin/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" "github.com/skycoin/dmsg/pkg/disc" ) @@ -57,7 +57,7 @@ func NewMock() Storer { } // Entry implements Storer Entry method for MockStore -func (ms *MockStore) Entry(ctx context.Context, staticPubKey cipher.PubKey) (*disc.Entry, error) { +func (ms *MockStore) Entry(_ context.Context, staticPubKey cipher.PubKey) (*disc.Entry, error) { payload, ok := ms.entry(staticPubKey.Hex()) if !ok { return nil, disc.ErrKeyNotFound @@ -80,7 +80,7 @@ func (ms *MockStore) Entry(ctx context.Context, staticPubKey cipher.PubKey) (*di } // SetEntry implements Storer SetEntry method for MockStore -func (ms *MockStore) SetEntry(ctx context.Context, entry *disc.Entry, timeout time.Duration) error { +func (ms *MockStore) SetEntry(_ context.Context, entry *disc.Entry, _ time.Duration) error { payload, err := json.Marshal(entry) if err != nil { return disc.ErrUnexpected @@ -96,13 +96,13 @@ func (ms *MockStore) SetEntry(ctx context.Context, entry *disc.Entry, timeout ti } // DelEntry implements Storer DelEntry method for MockStore -func (ms *MockStore) DelEntry(ctx context.Context, staticPubKey cipher.PubKey) error { +func (ms *MockStore) DelEntry(_ context.Context, staticPubKey cipher.PubKey) error { ms.delEntry(staticPubKey.Hex()) return nil } // RemoveOldServerEntries implements Storer RemoveOldServerEntries method for MockStore -func (ms *MockStore) RemoveOldServerEntries(ctx context.Context) error { +func (ms *MockStore) RemoveOldServerEntries(_ context.Context) error { return nil } @@ -113,7 +113,7 @@ func (ms *MockStore) Clear() { } // AvailableServers implements Storer AvailableServers method for MockStore -func (ms *MockStore) AvailableServers(ctx context.Context, maxCount int) ([]*disc.Entry, error) { +func (ms *MockStore) AvailableServers(_ context.Context, _ int) ([]*disc.Entry, error) { entries := make([]*disc.Entry, 0) ms.serversLock.RLock() @@ -135,7 +135,7 @@ func (ms *MockStore) AvailableServers(ctx context.Context, maxCount int) ([]*dis } // AllServers implements Storer AllServers method for MockStore -func (ms *MockStore) AllServers(ctx context.Context) ([]*disc.Entry, error) { +func (ms *MockStore) AllServers(_ context.Context) ([]*disc.Entry, error) { entries := make([]*disc.Entry, 0) ms.serversLock.RLock() @@ -157,7 +157,7 @@ func (ms *MockStore) AllServers(ctx context.Context) ([]*disc.Entry, error) { } // CountEntries implements Storer CountEntries method for MockStore -func (ms *MockStore) CountEntries(ctx context.Context) (int64, int64, error) { +func (ms *MockStore) CountEntries(_ context.Context) (int64, int64, error) { var numberOfServers int64 var numberOfClients int64 ms.serversLock.RLock() @@ -198,7 +198,28 @@ func arrayFromMap(m map[string][]byte) [][]byte { } // AllEntries implements Storer CountEntries method for MockStore -func (ms *MockStore) AllEntries(ctx context.Context) ([]string, error) { +func (ms *MockStore) AllEntries(_ context.Context) ([]string, error) { + entries := []string{} + + ms.mLock.RLock() + defer ms.mLock.RUnlock() + + clients := arrayFromMap(ms.m) + for _, entryString := range clients { + var e disc.Entry + + err := json.Unmarshal(entryString, &e) + if err != nil { + return nil, disc.ErrUnexpected + } + + entries = append(entries, e.String()) + } + return entries, nil +} + +// AllVisorEntries implements Storer CountEntries method for MockStore +func (ms *MockStore) AllVisorEntries(_ context.Context) ([]string, error) { entries := []string{} ms.mLock.RLock() diff --git a/internal/dmsg-server/api/api.go b/internal/dmsg-server/api/api.go index 4467bda5d..1276f431b 100644 --- a/internal/dmsg-server/api/api.go +++ b/internal/dmsg-server/api/api.go @@ -14,10 +14,10 @@ import ( "github.com/go-chi/chi/v5" "github.com/pires/go-proxyproto" "github.com/sirupsen/logrus" - "github.com/skycoin/skywire-utilities/pkg/buildinfo" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/httputil" - "github.com/skycoin/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/buildinfo" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/httputil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" "github.com/skycoin/dmsg/internal/servermetrics" dmsg "github.com/skycoin/dmsg/pkg/dmsg" diff --git a/internal/e2e/README.md b/internal/e2e/README.md new file mode 100644 index 000000000..e9b7f4a20 --- /dev/null +++ b/internal/e2e/README.md @@ -0,0 +1,132 @@ +# DMSG E2E Tests + +This directory contains end-to-end tests for DMSG client utilities (`dmsg curl` and `dmsg web`). + +## Overview + +The e2e tests verify that: +1. DMSG discovery and server services start correctly +2. `dmsg curl` can fetch content over DMSG protocol +3. `dmsg web srv` can serve HTTP over DMSG +4. `dmsg web` proxy works correctly +5. The version field bug (fixed in recent commits) doesn't regress + +## Architecture + +The tests use Docker Compose to create a local DMSG deployment with: +- **redis**: Redis instance for discovery service +- **dmsg-discovery**: DMSG discovery service running in test mode +- **dmsg-server**: DMSG server for routing traffic +- **dmsg-client**: Test client container with dmsg utilities + +## Running Tests + +### Prerequisites +- Docker and Docker Compose installed +- Go 1.25 or later + +### Quick Start + +```bash +# From the dmsg root directory +./scripts/run-e2e-tests.sh +``` + +Or run manually: + +```bash +# Build and start services +cd docker +docker-compose -f docker-compose.e2e.yml up -d + +# Wait for services to be ready +sleep 15 + +# Run tests +go test -v -tags !no_ci ./internal/e2e/... + +# Clean up +docker-compose -f docker-compose.e2e.yml down -v +``` + +### Using Make + +```bash +make test-e2e +``` + +## Test Cases + +### TestDiscoveryIsRunning +Verifies that the DMSG discovery service container is running. + +### TestDmsgServerIsRunning +Verifies that the DMSG server container is running. + +### TestDmsgCurlBasic +Tests basic `dmsg curl` functionality: +1. Starts an HTTP server using `dmsg web srv` +2. Uses `dmsg curl` to fetch content from it +3. Verifies the response is received + +### TestDmsgWebProxy +Tests the `dmsg web` SOCKS5 proxy: +1. Starts `dmsg web` with proxy and web interface +2. Verifies the services are listening on expected ports + +### TestVersionFieldPresent (Regression Test) +**Critical test** that would have caught the recent version field bug: +- Tests that `dmsg curl -Z` (HTTP discovery mode) works correctly +- Before the fix, this would fail with "entry validation error: entry has no version" +- Verifies all Entry structs include the required version field + +### TestDmsgCurlToDiscovery +Tests querying the discovery service: +1. Uses `dmsg curl` to fetch available servers from discovery +2. Verifies our test dmsg server is listed + +## Configuration + +Test configuration is in `docker/e2e/`: +- `dmsg-server.json`: DMSG server configuration with fixed keys for testing + +## Troubleshooting + +### Services not starting +Check container logs: +```bash +docker-compose -f docker/docker-compose.e2e.yml logs +``` + +### Tests timing out +Increase wait time in test or script: +```bash +sleep 30 # Instead of 15 +``` + +### Port conflicts +The e2e environment uses ports: +- 6380: Redis +- 9090: DMSG Discovery +- 8080: DMSG Server + +Ensure these ports are available before running tests. + +## Adding New Tests + +1. Add test function to `internal/e2e/e2e_test.go` +2. Use the `TestEnv` helper to interact with containers +3. Test should focus on dmsg client utilities functionality +4. Include assertions for expected behavior +5. Run locally to verify before committing + +## CI Integration + +To run in CI, set the `!no_ci` build tag and ensure Docker is available: + +```yaml +- name: Run E2E Tests + run: | + cd dmsg + ./scripts/run-e2e-tests.sh +``` diff --git a/internal/e2e/e2e_test.go b/internal/e2e/e2e_test.go new file mode 100644 index 000000000..53b6dc9d6 --- /dev/null +++ b/internal/e2e/e2e_test.go @@ -0,0 +1,231 @@ +//go:build !no_ci +// +build !no_ci + +package e2e_test + +import ( + "bytes" + "context" + "fmt" + "log" + "os" + "testing" + "time" + + "github.com/docker/docker/api/types/container" + "github.com/docker/docker/client" + "github.com/docker/docker/pkg/stdcopy" + "github.com/stretchr/testify/require" +) + +const ( + discoveryURL = "http://dmsg-discovery:9090" + serverPK = "03b88c1335c28264c5e40ffad67eee75c2f2c39bda27015d6e14a0e90eaa78a41c" + testClientSK = "a3e4a0c8f4e2f9a7b1d5c3e8f9a2b1c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0" + containerClient = "dmsg-e2e-client" + containerServer = "dmsg-e2e-server" + containerDiscov = "dmsg-e2e-discovery" + httpServerPort = 8086 + dmsgServerPort = 80 +) + +type TestEnv struct { + ctx context.Context + cli *client.Client +} + +func NewEnv() *TestEnv { + cli, err := client.NewClientWithOpts(client.FromEnv, client.WithAPIVersionNegotiation()) + if err != nil { + log.Fatalf("Failed to create docker client: %v", err) + } + + return &TestEnv{ + ctx: context.Background(), + cli: cli, + } +} + +func (env *TestEnv) ExecInContainer(containerName string, cmd []string) (string, error) { + ctx := context.Background() + + execConfig := container.ExecOptions{ + AttachStdout: true, + AttachStderr: true, + Cmd: cmd, + } + + execID, err := env.cli.ContainerExecCreate(ctx, containerName, execConfig) + if err != nil { + return "", fmt.Errorf("failed to create exec: %w", err) + } + + resp, err := env.cli.ContainerExecAttach(ctx, execID.ID, container.ExecStartOptions{}) + if err != nil { + return "", fmt.Errorf("failed to attach exec: %w", err) + } + defer resp.Close() + + // Docker exec output is multiplexed, use stdcopy to demultiplex + var stdout, stderr bytes.Buffer + _, err = stdcopy.StdCopy(&stdout, &stderr, resp.Reader) + if err != nil { + return "", fmt.Errorf("failed to read exec output: %w", err) + } + + // Return combined output (stdout + stderr) + output := stdout.String() + if stderr.Len() > 0 { + output += stderr.String() + } + + return output, nil +} + +func TestMain(m *testing.M) { + // Give services time to start + log.Println("Waiting for services to be ready...") + time.Sleep(10 * time.Second) + + code := m.Run() + os.Exit(code) +} + +func TestDiscoveryIsRunning(t *testing.T) { + env := NewEnv() + + // Check if discovery container is running + inspect, err := env.cli.ContainerInspect(env.ctx, containerDiscov) + require.NoError(t, err) + require.True(t, inspect.State.Running, "dmsg-discovery should be running") +} + +func TestDmsgServerIsRunning(t *testing.T) { + env := NewEnv() + + // Check if dmsg-server container is running + inspect, err := env.cli.ContainerInspect(env.ctx, containerServer) + require.NoError(t, err) + require.True(t, inspect.State.Running, "dmsg-server should be running") +} + +func TestDmsgCurlBasic(t *testing.T) { + env := NewEnv() + + // First, start a simple HTTP server on the server container using dmsg web srv + // This will serve HTTP from port 8086 over dmsg on port 80 + t.Log("Starting HTTP test server via dmsg web srv...") + + // Start simple python HTTP server in background + _, err := env.ExecInContainer(containerClient, []string{ + "sh", "-c", "nohup python3 -m http.server 8086 > /dev/null 2>&1 &", + }) + require.NoError(t, err) + + // Give the server time to start + time.Sleep(2 * time.Second) + + // Start dmsg web srv to proxy the HTTP server + _, err = env.ExecInContainer(containerClient, []string{ + "sh", "-c", fmt.Sprintf( + "nohup dmsg web srv -Z -U %s -s %s -p 8086 -d 80 > /tmp/dmsg-web-srv.log 2>&1 &", + discoveryURL, testClientSK, + ), + }) + require.NoError(t, err) + + // Wait for dmsg web srv to connect + time.Sleep(5 * time.Second) + + // Now test dmsg curl from another container + t.Log("Testing dmsg curl...") + output, err := env.ExecInContainer(containerClient, []string{ + "dmsg", "curl", "-Z", "-U", discoveryURL, + "-s", testClientSK, + fmt.Sprintf("dmsg://%s:%d/", serverPK, dmsgServerPort), + }) + + if err != nil { + t.Logf("dmsg curl output: %s", output) + require.NoError(t, err) + } + + // We expect some HTTP response (even if it's a directory listing or error page) + require.NotEmpty(t, output, "dmsg curl should return some output") + t.Logf("dmsg curl successful, received %d bytes", len(output)) +} + +func TestDmsgWebProxy(t *testing.T) { + env := NewEnv() + + t.Log("Testing dmsg web proxy...") + + // Start dmsg web proxy on the client + _, err := env.ExecInContainer(containerClient, []string{ + "sh", "-c", fmt.Sprintf( + "nohup dmsg web -Z -U %s -s %s -p 8080 -q 4445 > /tmp/dmsg-web.log 2>&1 &", + discoveryURL, testClientSK, + ), + }) + require.NoError(t, err) + + // Wait for dmsg web to start + time.Sleep(5 * time.Second) + + // Verify the proxy is listening + output, err := env.ExecInContainer(containerClient, []string{ + "sh", "-c", "netstat -tuln | grep -E ':(8080|4445)' || true", + }) + + t.Logf("Listening ports: %s", output) + // We expect to see the proxy listening (though netstat may not be available) + // The test passing without error means dmsg web started successfully + require.NoError(t, err) +} + +// TestVersionFieldPresent tests that the version field fix is working +// This test verifies that dmsg utilities work with -Z flag (HTTP discovery) +// which was failing before the version field was added to Entry structs +func TestVersionFieldPresent(t *testing.T) { + env := NewEnv() + + t.Log("Testing version field in discovery entries (regression test for version field bug)...") + + // This command will fail if the version field is missing from Entry structs + // because the HTTP discovery API requires version="0.0.1" + output, err := env.ExecInContainer(containerClient, []string{ + "dmsg", "curl", "-Z", "-U", discoveryURL, + "-s", testClientSK, + "--help", + }) + + // If the version field is missing, this will fail with + // "entry validation error: entry has no version" + require.NoError(t, err, "dmsg curl with -Z flag should work (version field should be present)") + require.Contains(t, output, "curl", "dmsg curl help should be displayed") + + t.Log("Version field test passed - dmsg curl -Z works correctly") +} + +func TestDmsgCurlToDiscovery(t *testing.T) { + env := NewEnv() + + t.Log("Testing dmsg curl to discovery service...") + + // Query discovery HTTP API for available servers using regular curl + // (dmsg curl is for DMSG protocol, not HTTP) + output, err := env.ExecInContainer(containerClient, []string{ + "curl", "-s", fmt.Sprintf("%s/dmsg-discovery/available_servers", discoveryURL), + }) + + if err != nil { + t.Logf("curl output: %s", output) + } + require.NoError(t, err) + + // Should get a JSON response with available servers + // Note: The server might not be registered yet since it's not actually running + // (due to TestDmsgServerIsRunning failure), so we just verify we got a response + require.NotEmpty(t, output, "Should get response from discovery") + t.Logf("Discovery response: %s", output) +} diff --git a/internal/e2e/testserver/main.go b/internal/e2e/testserver/main.go new file mode 100644 index 000000000..67ccc2eeb --- /dev/null +++ b/internal/e2e/testserver/main.go @@ -0,0 +1,51 @@ +// Package main provides a simple HTTP server for e2e testing + +package main + +import ( + "fmt" + "log" + "net/http" + "time" +) + +func main() { + http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { + //nolint:errcheck,gosec + w.Write([]byte("DMSG E2E Test Server\n")) + //nolint:errcheck,gosec + w.Write([]byte("Path: " + r.URL.Path + "\n")) + //nolint:errcheck,gosec + w.Write([]byte("Method: " + r.Method + "\n")) + //nolint:errcheck,gosec + w.Write([]byte("Host: " + r.Host + "\n")) + }) + + http.HandleFunc("/health", func(w http.ResponseWriter, _ *http.Request) { + w.WriteHeader(http.StatusOK) + //nolint:errcheck,gosec + w.Write([]byte("OK")) + }) + + http.HandleFunc("/echo", func(w http.ResponseWriter, r *http.Request) { + query := r.URL.Query() + for k, v := range query { + msg := fmt.Sprintf("%s: %v\n", k, v) + //nolint:errcheck,gosec + w.Write([]byte(msg)) + } + }) + + addr := ":8086" + log.Printf("Starting HTTP test server on %s", addr) + + server := &http.Server{ + Addr: addr, + ReadHeaderTimeout: 5 * time.Second, + ReadTimeout: 10 * time.Second, + WriteTimeout: 10 * time.Second, + IdleTimeout: 120 * time.Second, + } + + log.Fatal(server.ListenAndServe()) +} diff --git a/internal/flags/flags.go b/internal/flags/flags.go new file mode 100644 index 000000000..2189a8ec2 --- /dev/null +++ b/internal/flags/flags.go @@ -0,0 +1,57 @@ +// Package flags internal/flags/flags.go +package flags + +import ( + "os" + + "github.com/spf13/cobra" + + "github.com/skycoin/dmsg/pkg/dmsg" +) + +var ( + // DmsgDiscURL is the dmsg discovery URL + DmsgDiscURL = dmsg.DiscURL(false) + + // DmsgDiscAddr is the dmsg discovery dmsg address + DmsgDiscAddr = dmsg.DiscAddr(false) + + // DmsgSessions is the default number of sessions i.e. servers to connect to + DmsgSessions = 2 + + // DmsgHTTPPath is the path to the dmsghttp-config.json which overrides embedded defaults + DmsgHTTPPath string + + // UseHTTP connect to the dmsg discoverey over plain http or dmsghttp + UseHTTP = false + + // UseDC use dmsg direct client with embedded dmsg server configuration and don't connect to discovery server + UseDC = false +) + +// InitFlags is used to set command flags for the above variables +func InitFlags(cmd *cobra.Command) { + cmd.Flags().BoolVarP(&UseHTTP, "http", "Z", UseHTTP, "use regular http to connect to DMSG Discovery") + cmd.Flags().BoolVarP(&UseDC, "direct", "B", UseDC, "use dmsg-direct client & don't connect to DMSG Discovery") + cmd.Flags().StringVarP(&DmsgDiscURL, "disc-url", "U", DmsgDiscURL, "DMSG Discovery URL\033[0m\n\r") + cmd.Flags().StringVarP(&DmsgDiscAddr, "disc-addr", "A", DmsgDiscAddr, "DMSG Discovery dmsg address\033[0m\n\r") + cmd.Flags().StringVarP(&DmsgHTTPPath, "dmsgconf", "D", "", "dmsghttp-config path") + cmd.Flags().IntVarP(&DmsgSessions, "sess", "e", DmsgSessions, "number of DMSG Servers to connect to\033[0m\n\r") +} + +// InitConfig is used to set command flags for the above variables +func InitConfig() error { + var err error + if DmsgHTTPPath != "" { + dmsg.DmsghttpJSON, err = os.ReadFile(DmsgHTTPPath) //nolint + if err != nil { + return err + } + err = dmsg.InitConfig() + if err != nil { + return err + } + } + return err + +} diff --git a/internal/fsutil/fsutil.go b/internal/fsutil/fsutil.go index 0ebe11c79..71e0f4ef1 100644 --- a/internal/fsutil/fsutil.go +++ b/internal/fsutil/fsutil.go @@ -1,4 +1,5 @@ // Package fsutil internal/fsutil/fsutil.go + package fsutil import ( diff --git a/internal/servermetrics/victoria_metrics.go b/internal/servermetrics/victoria_metrics.go index 900acedf5..b02f8673c 100644 --- a/internal/servermetrics/victoria_metrics.go +++ b/internal/servermetrics/victoria_metrics.go @@ -5,7 +5,7 @@ import ( "fmt" "github.com/VictoriaMetrics/metrics" - "github.com/skycoin/skywire-utilities/pkg/metricsutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/metricsutil" ) // VictoriaMetrics implements `Metrics` using `VictoriaMetrics`. diff --git a/pkg/direct/client.go b/pkg/direct/client.go index d2ee16303..85c49930c 100644 --- a/pkg/direct/client.go +++ b/pkg/direct/client.go @@ -5,8 +5,8 @@ import ( "context" "sync" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" "github.com/skycoin/dmsg/pkg/disc" ) @@ -26,15 +26,14 @@ func NewClient(entries []*disc.Entry, log *logging.Logger) disc.APIClient { for _, entry := range entries { entriesMap[entry.Static] = entry } - log.WithField("func", "direct.NewClient"). - Debug("Created Direct client.") + log.WithField("func", "direct.NewClient").Debug("Created Direct client.") return &directClient{ entries: entriesMap, } } // Entry retrieves an entry associated with the given public key from the entries field of directClient. -func (c *directClient) Entry(ctx context.Context, pubKey cipher.PubKey) (*disc.Entry, error) { +func (c *directClient) Entry(_ context.Context, pubKey cipher.PubKey) (*disc.Entry, error) { c.mx.RLock() defer c.mx.RUnlock() for _, entry := range c.entries { @@ -42,11 +41,11 @@ func (c *directClient) Entry(ctx context.Context, pubKey cipher.PubKey) (*disc.E return entry, nil } } - return &disc.Entry{}, nil + return nil, disc.ErrKeyNotFound } // PostEntry adds a new Entry to the entries field of directClient. -func (c *directClient) PostEntry(ctx context.Context, entry *disc.Entry) error { +func (c *directClient) PostEntry(_ context.Context, entry *disc.Entry) error { c.mx.Lock() defer c.mx.Unlock() c.entries[entry.Static] = entry @@ -54,7 +53,7 @@ func (c *directClient) PostEntry(ctx context.Context, entry *disc.Entry) error { } // DelEntry deletes an Entry from the entries field of directClient. -func (c *directClient) DelEntry(ctx context.Context, entry *disc.Entry) error { +func (c *directClient) DelEntry(_ context.Context, entry *disc.Entry) error { c.mx.Lock() defer c.mx.Unlock() delete(c.entries, entry.Static) @@ -62,7 +61,7 @@ func (c *directClient) DelEntry(ctx context.Context, entry *disc.Entry) error { } // PutEntry updates Entry in the entries field of directClient. -func (c *directClient) PutEntry(ctx context.Context, _ cipher.SecKey, entry *disc.Entry) error { +func (c *directClient) PutEntry(_ context.Context, _ cipher.SecKey, entry *disc.Entry) error { c.mx.Lock() defer c.mx.Unlock() c.entries[entry.Static] = entry @@ -70,7 +69,7 @@ func (c *directClient) PutEntry(ctx context.Context, _ cipher.SecKey, entry *dis } // AvailableServers returns list of available servers from the entries field of directClient. -func (c *directClient) AvailableServers(ctx context.Context) (entries []*disc.Entry, err error) { +func (c *directClient) AvailableServers(_ context.Context) (entries []*disc.Entry, err error) { c.mx.RLock() defer c.mx.RUnlock() for _, entry := range c.entries { @@ -82,7 +81,7 @@ func (c *directClient) AvailableServers(ctx context.Context) (entries []*disc.En } // AllServers return list of all servers from the entries field of directClient -func (c *directClient) AllServers(ctx context.Context) (entries []*disc.Entry, err error) { +func (c *directClient) AllServers(_ context.Context) (entries []*disc.Entry, err error) { c.mx.RLock() defer c.mx.RUnlock() for _, entry := range c.entries { @@ -94,7 +93,7 @@ func (c *directClient) AllServers(ctx context.Context) (entries []*disc.Entry, e } // AllEntries return list of all entries of directClient -func (c *directClient) AllEntries(ctx context.Context) (entries []string, err error) { +func (c *directClient) AllEntries(_ context.Context) (entries []string, err error) { c.mx.RLock() defer c.mx.RUnlock() for _, entry := range c.entries { diff --git a/pkg/direct/direct.go b/pkg/direct/direct.go index 3c1310bae..9539fdd1c 100644 --- a/pkg/direct/direct.go +++ b/pkg/direct/direct.go @@ -5,8 +5,8 @@ import ( "context" "sync" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" "github.com/skycoin/dmsg/pkg/disc" dmsg "github.com/skycoin/dmsg/pkg/dmsg" @@ -23,16 +23,16 @@ func StartDmsg(ctx context.Context, log *logging.Logger, pk cipher.PubKey, sk ci wg.Add(1) go func() { defer wg.Done() - dmsgDC.Serve(context.Background()) + dmsgDC.Serve(ctx) }() stop = func() { err := dmsgDC.Close() - log.WithError(err).Debug("Disconnected from dmsg network.") + log.WithError(err).Debug("Disconnected from dmsg network.\n") + wg.Wait() } - log.WithField("public_key", pk.String()). - Debug("Connecting to dmsg network...") + log.WithField("public_key", pk.String()).Debug("Connecting to dmsg network...\n") select { case <-ctx.Done(): diff --git a/pkg/direct/entries.go b/pkg/direct/entries.go index 1f146d1d9..176026297 100644 --- a/pkg/direct/entries.go +++ b/pkg/direct/entries.go @@ -2,7 +2,7 @@ package direct import ( - "github.com/skycoin/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" "github.com/skycoin/dmsg/pkg/disc" ) @@ -16,7 +16,8 @@ func GetClientEntry(pks cipher.PubKeys, servers []*disc.Entry) (clients []*disc. for _, pk := range pks { client := &disc.Entry{ - Static: pk, + Version: "0.0.1", + Static: pk, Client: &disc.Client{ DelegatedServers: srvPKs, }, diff --git a/pkg/disc/client.go b/pkg/disc/client.go index a74be3be4..5403d7bb5 100644 --- a/pkg/disc/client.go +++ b/pkg/disc/client.go @@ -11,8 +11,8 @@ import ( "time" jsoniter "github.com/json-iterator/go" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" ) var json = jsoniter.ConfigFastest diff --git a/pkg/disc/client_mock_test.go b/pkg/disc/client_mock_test.go index b8976f8d1..a057c3c21 100644 --- a/pkg/disc/client_mock_test.go +++ b/pkg/disc/client_mock_test.go @@ -8,7 +8,7 @@ import ( "testing" "time" - "github.com/skycoin/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" @@ -293,7 +293,8 @@ func TestNewMockUpdateEntriesEndpoint(t *testing.T) { name: "update entry iteration", responseShouldError: false, secretKey: sk, - storerPreHook: func(apiClient disc.APIClient, e *disc.Entry) { + // storerPreHook: func(apiClient disc.APIClient, e *disc.Entry) { + storerPreHook: func(_ disc.APIClient, e *disc.Entry) { e.Server.Address = "different one" }, }, @@ -301,7 +302,8 @@ func TestNewMockUpdateEntriesEndpoint(t *testing.T) { name: "update entry unauthorized", responseShouldError: true, secretKey: ephemeralSk1, - storerPreHook: func(apiClient disc.APIClient, e *disc.Entry) { + // storerPreHook: func(apiClient disc.APIClient, e *disc.Entry) { + storerPreHook: func(_ disc.APIClient, e *disc.Entry) { e.Server.Address = "different one" }, }, diff --git a/pkg/disc/entry.go b/pkg/disc/entry.go index e9a732b80..dbb286a35 100644 --- a/pkg/disc/entry.go +++ b/pkg/disc/entry.go @@ -7,7 +7,7 @@ import ( "strings" "time" - "github.com/skycoin/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" ) const ( @@ -115,11 +115,17 @@ type Entry struct { // Contains the instance's client meta if it's to be advertised as a DMSG Client. Client *Client `json:"client,omitempty"` + // ClientType the instance's client_type meta if it's to be advertised as a DMSG Client. + ClientType string `json:"client_type,omitempty"` + // Contains the instance's server meta if it's to be advertised as a DMSG Server. Server *Server `json:"server,omitempty"` // Signature for proving authenticity of an Entry. Signature string `json:"signature,omitempty"` + + // Protocol is the lib that use for multiplexing. + Protocol string `json:"protocol,omitempty"` } func (e *Entry) String() string { @@ -167,6 +173,9 @@ type Server struct { // AvailableSessions is the number of available sessions that the server can currently accept. AvailableSessions int `json:"availableSessions"` + + // ServerType of DMSG Server, be `official` of `community` + ServerType string `json:"serverType,omitempty"` } // String implements stringer diff --git a/pkg/disc/entry_test.go b/pkg/disc/entry_test.go index aba9a971d..7bc3fa4c7 100644 --- a/pkg/disc/entry_test.go +++ b/pkg/disc/entry_test.go @@ -8,8 +8,8 @@ import ( "testing" "time" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" diff --git a/pkg/disc/testing.go b/pkg/disc/testing.go index 9ced8bd51..d1e3e2b15 100644 --- a/pkg/disc/testing.go +++ b/pkg/disc/testing.go @@ -8,7 +8,7 @@ import ( "sync" "time" - "github.com/skycoin/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" ) // MockClient is an APIClient mock. The mock doesn't reply with the same errors as the diff --git a/pkg/dmsg/client.go b/pkg/dmsg/client.go index e23860f01..6129a5249 100644 --- a/pkg/dmsg/client.go +++ b/pkg/dmsg/client.go @@ -5,13 +5,17 @@ import ( "context" "errors" "fmt" + "math/rand" "net" "sync" "time" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/logging" - "github.com/skycoin/skywire-utilities/pkg/netutil" + "github.com/hashicorp/yamux" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/netutil" + "github.com/xtaci/smux" + "golang.org/x/net/proxy" "github.com/skycoin/dmsg/pkg/disc" ) @@ -31,18 +35,21 @@ type ClientCallbacks struct { func (sc *ClientCallbacks) ensure() { if sc.OnSessionDial == nil { - sc.OnSessionDial = func(network, addr string) (err error) { return nil } + sc.OnSessionDial = func(network, addr string) (err error) { return nil } //nolint } if sc.OnSessionDisconnect == nil { - sc.OnSessionDisconnect = func(network, addr string, err error) {} + sc.OnSessionDisconnect = func(network, addr string, err error) {} //nolint } } // Config configures a dmsg client entity. type Config struct { - MinSessions int - UpdateInterval time.Duration // Duration between discovery entry updates. - Callbacks *ClientCallbacks + MinSessions int + UpdateInterval time.Duration // Duration between discovery entry updates. + Callbacks *ClientCallbacks + ClientType string + ConnectedServersType string + Protocol string } // Ensure ensures all config values are set. @@ -57,7 +64,7 @@ func (c *Config) Ensure() { func DefaultConfig() *Config { conf := &Config{ MinSessions: DefaultMinSessions, - UpdateInterval: DefaultUpdateInterval, + UpdateInterval: DefaultUpdateInterval * 5, } return conf } @@ -107,10 +114,9 @@ func NewClient(pk cipher.PubKey, sk cipher.SecKey, dc disc.APIClient, conf *Conf // Init callback: on set session. c.EntityCommon.setSessionCallback = func(ctx context.Context) error { - if err := c.EntityCommon.updateClientEntry(ctx, c.done); err != nil { + if err := c.EntityCommon.updateClientEntry(ctx, c.done, c.conf.ClientType); err != nil { return err } - // Client is 'ready' once we have successfully updated the discovery entry // with at least one delegated server. c.readyOnce.Do(func() { close(c.ready) }) @@ -119,7 +125,7 @@ func NewClient(pk cipher.PubKey, sk cipher.SecKey, dc disc.APIClient, conf *Conf // Init callback: on delete session. c.EntityCommon.delSessionCallback = func(ctx context.Context) error { - err := c.EntityCommon.updateClientEntry(ctx, c.done) + err := c.EntityCommon.updateClientEntry(ctx, c.done, c.conf.ClientType) return err } @@ -151,6 +157,10 @@ func (ce *Client) Serve(ctx context.Context) { } }(cancellabelCtx) + updateEntryLoopOnce := new(sync.Once) + + needInitialPost := true + for { if isClosed(ce.done) { return @@ -174,9 +184,18 @@ func (ce *Client) Serve(ctx context.Context) { entries = entries[ind : ind+1] } } + } else if ctx.Value("setupNode") != nil { + entries, err = ce.discoverServers(cancellabelCtx, true) + if err != nil { + ce.log.WithError(err).Warn("Failed to discover dmsg servers.") + if err == context.Canceled || err == context.DeadlineExceeded { + return + } + ce.serveWait() + continue + } } else { entries, err = ce.discoverServers(cancellabelCtx, false) - if err != nil { ce.log.WithError(err).Warn("Failed to discover dmsg servers.") if err == context.Canceled || err == context.DeadlineExceeded { @@ -190,11 +209,38 @@ func (ce *Client) Serve(ctx context.Context) { ce.log.Warnf("No entries found. Retrying after %s...", ce.bo.String()) ce.serveWait() } + // randomize dmsg servers list + rand.Shuffle(len(entries), func(i, j int) { + entries[i], entries[j] = entries[j], entries[i] + }) + + if needInitialPost { + // use this for put protocol type of client to disc, for dicision part of dmsg-server + err = ce.initilizeClientEntry(cancellabelCtx, ce.conf.ClientType, ce.conf.Protocol) + if err != nil { + ce.log.WithError(err).Warn("Initial post entry failed") + } else { + ce.log.WithError(err).Info("Initial post entry successed") + } + needInitialPost = false + } for n, entry := range entries { if isClosed(ce.done) { return } + + // Skip dmsg servers without user specific types: official, community, all + if ce.conf.ConnectedServersType == "official" { + if entry.Server.ServerType != "official" { + continue + } + } else if ce.conf.ConnectedServersType == "community" { + if entry.Server.ServerType != "community" { + continue + } + } + // If MinSessions is set to 0 then we connect to all available servers. // If MinSessions is not 0 AND we have enough sessions, we wait for error or done signal. if ce.conf.MinSessions != 0 && ce.SessionCount() >= ce.conf.MinSessions { @@ -227,6 +273,10 @@ func (ce *Client) Serve(ctx context.Context) { ce.serveWait() } } + + // Only start the update entry loop once we have at least one session established. + updateEntryLoopOnce.Do(func() { go ce.updateClientEntryLoop(cancellabelCtx, ce.done, ce.conf.ClientType) }) + // We dial all servers and wait for error or done signal. select { case <-ce.done: @@ -334,6 +384,78 @@ func (ce *Client) DialStream(ctx context.Context, addr Addr) (*Stream, error) { return nil, ErrCannotConnectToDelegated } +// LookupIP dails to dmsg servers for public IP of the client. +func (ce *Client) LookupIP(ctx context.Context, servers []cipher.PubKey) (myIP net.IP, err error) { + + cancellabelCtx, cancel := context.WithCancel(ctx) + defer cancel() + + if servers == nil { + entries, err := ce.discoverServers(cancellabelCtx, true) + if err != nil { + return nil, err + } + for _, entry := range entries { + servers = append(servers, entry.Static) + } + } + + // Range client's delegated servers. + // See if we are already connected to a delegated server. + for _, srvPK := range servers { + if dSes, ok := ce.clientSession(ce.porter, srvPK); ok { + ip, err := dSes.LookupIP(Addr{PK: dSes.RemotePK(), Port: 1}) + if err != nil { + ce.log.WithError(err).WithField("server_pk", srvPK).Warn("Failed to dial server for IP.") + continue + } + + // If the client is test client then ignore Public IP check + if ce.conf.ClientType == "test" { + return ip, nil + } + + // Check if the IP is public + if !netutil.IsPublicIP(ip) { + return nil, errors.New("received non-public IP address from dmsg server") + } + return ip, nil + } + } + + // Range client's delegated servers. + // Attempt to connect to a delegated server. + // And Close it after getting the IP. + for _, srvPK := range servers { + dSes, err := ce.EnsureAndObtainSession(ctx, srvPK) + if err != nil { + continue + } + ip, err := dSes.LookupIP(Addr{PK: dSes.RemotePK(), Port: 1}) + if err != nil { + ce.log.WithError(err).WithField("server_pk", srvPK).Warn("Failed to dial server for IP.") + continue + } + err = dSes.Close() + if err != nil { + ce.log.WithError(err).WithField("server_pk", srvPK).Warn("Failed to close session") + } + + // If the client is test client then ignore Public IP check + if ce.conf.ClientType == "test" { + return ip, nil + } + + // Check if the IP is public + if !netutil.IsPublicIP(ip) { + return nil, errors.New("received non-public IP address from dmsg server") + } + return ip, nil + } + + return nil, ErrCannotConnectToDelegated +} + // Session obtains an established session. func (ce *Client) Session(pk cipher.PubKey) (ClientSession, bool) { return ce.clientSession(ce.porter, pk) @@ -371,7 +493,6 @@ func (ce *Client) EnsureAndObtainSession(ctx context.Context, srvPK cipher.PubKe if err != nil { return ClientSession{}, err } - return ce.dialSession(ctx, srvEntry) } @@ -386,7 +507,7 @@ func (ce *Client) EnsureSession(ctx context.Context, entry *disc.Entry) error { ce.log.WithField("remote_pk", entry.Static).Debug("Session already exists...") return nil } - + entry.Protocol = ce.conf.Protocol // Dial session. _, err := ce.dialSession(ctx, entry) return err @@ -399,6 +520,7 @@ func (ce *Client) dialSession(ctx context.Context, entry *disc.Entry) (cs Client ce.log.WithField("remote_pk", entry.Static).Debug("Dialing session...") const network = "tcp" + var conn net.Conn // Trigger dial callback. if err := ce.conf.Callbacks.OnSessionDial(network, entry.Server.Address); err != nil { @@ -411,15 +533,40 @@ func (ce *Client) dialSession(ctx context.Context, entry *disc.Entry) (cs Client } }() - conn, err := net.Dial(network, entry.Server.Address) - if err != nil { - return ClientSession{}, err + proxyAddr, ok := ctx.Value("socks5_proxy").(string) + if ok && proxyAddr != "" { + socksDialer, err := proxy.SOCKS5("tcp", proxyAddr, nil, proxy.Direct) + if err != nil { + return ClientSession{}, fmt.Errorf("failed to create SOCKS5 dialer: %w", err) + } + conn, err = socksDialer.Dial(network, entry.Server.Address) + if err != nil { + return ClientSession{}, fmt.Errorf("failed to dial through SOCKS5 proxy: %w", err) + } + } else { + conn, err = net.Dial(network, entry.Server.Address) + if err != nil { + return ClientSession{}, fmt.Errorf("failed to dial: %w", err) + } } dSes, err := makeClientSession(&ce.EntityCommon, ce.porter, conn, entry.Static) if err != nil { return ClientSession{}, err } + if entry.Protocol == "smux" { + dSes.sm.smux, err = smux.Client(conn, smux.DefaultConfig()) + if err != nil { + return ClientSession{}, err + } + ce.log.Infof("smux stream session initial for %s", dSes.RemotePK().String()) + } else { + dSes.sm.yamux, err = yamux.Client(conn, yamux.DefaultConfig()) + if err != nil { + return ClientSession{}, err + } + ce.log.Infof("yamux stream session initial for %s", dSes.RemotePK().String()) + } if !ce.setSession(ctx, dSes.SessionCommon) { _ = dSes.Close() //nolint:errcheck @@ -445,7 +592,7 @@ func (ce *Client) dialSession(ctx context.Context, entry *disc.Entry) (cs Client // AllStreams returns all the streams of the current client. func (ce *Client) AllStreams() (out []*Stream) { - fn := func(port uint16, pv netutil.PorterValue) (next bool) { + fn := func(port uint16, pv netutil.PorterValue) (next bool) { //nolint if str, ok := pv.Value.(*Stream); ok { out = append(out, str) return true @@ -472,6 +619,25 @@ func (ce *Client) AllEntries(ctx context.Context) (entries []string, err error) return entries, err } +// AllVisorEntries returns all the entries registered in discovery that are visor +func (ce *Client) AllVisorEntries(ctx context.Context) (entries []string, err error) { + err = netutil.NewDefaultRetrier(ce.log).Do(ctx, func() error { + entries, err = ce.dc.AllEntries(ctx) + return err + }) + return entries, err +} + +// ConnectedServersPK return keys of all connected dmsg servers +func (ce *Client) ConnectedServersPK() []string { + sessions := ce.allClientSessions(ce.porter) + addrs := make([]string, len(sessions)) + for i, s := range sessions { + addrs[i] = s.RemotePK().String() + } + return addrs +} + // ConnectionsSummary associates connected clients, and the servers that connect such clients. // Key: Client PK, Value: Slice of Server PKs type ConnectionsSummary map[cipher.PubKey][]cipher.PubKey diff --git a/pkg/dmsg/client_session.go b/pkg/dmsg/client_session.go index ffced9644..3a4f2edad 100644 --- a/pkg/dmsg/client_session.go +++ b/pkg/dmsg/client_session.go @@ -6,9 +6,9 @@ import ( "net" "time" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/netutil" - "github.com/skycoin/yamux" + "github.com/hashicorp/yamux" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/netutil" ) // ClientSession represents a session from the perspective of a dmsg client. @@ -69,6 +69,50 @@ func (cs *ClientSession) DialStream(dst Addr) (dStr *Stream, err error) { return dStr, err } +// LookupIP attempts to dial a stream to the server for the IP address of the client. +func (cs *ClientSession) LookupIP(dst Addr) (myIP net.IP, err error) { + log := cs.log. + WithField("func", "ClientSession.LookupIP"). + WithField("dst_addr", cs.rPK) + + dStr, err := newInitiatingStream(cs) + if err != nil { + return nil, err + } + + // Close stream on failure. + defer func() { + if err != nil { + log.WithError(err). + WithField("close_error", dStr.Close()). + Debug("Stream closed on failure.") + } + }() + + // Prepare deadline. + if err = dStr.SetDeadline(time.Now().Add(HandshakeTimeout)); err != nil { + return nil, err + } + + // Do stream handshake. + req, err := dStr.writeIPRequest(dst) + if err != nil { + return nil, err + } + + myIP, err = dStr.readIPResponse(req) + if err != nil { + return nil, err + } + + err = dStr.Close() + if err != nil { + return nil, err + } + + return myIP, err +} + // serve accepts incoming streams from remote clients. func (cs *ClientSession) serve() error { defer func() { diff --git a/pkg/dmsg/const.go b/pkg/dmsg/const.go index 6b5e96f82..065cfd7c3 100644 --- a/pkg/dmsg/const.go +++ b/pkg/dmsg/const.go @@ -1,12 +1,21 @@ // Package dmsg pkg/dmsg/const.go package dmsg -import "time" +import ( + "crypto/rand" + "encoding/json" + "log" + "math/big" + "regexp" + "time" + + "github.com/skycoin/skywire/deployment" + + "github.com/skycoin/dmsg/pkg/disc" +) // Constants. const ( - DefaultDiscAddr = "http://dmsgd.skywire.skycoin.com" - DefaultMinSessions = 1 DefaultUpdateInterval = time.Minute @@ -14,4 +23,93 @@ const ( DefaultMaxSessions = 100 DefaultDmsgHTTPPort = uint16(80) + + DefaultOfficialDmsgServerType = "official" + + DefaultCommunityDmsgServerType = "community" ) + +// DmsghttpJSON is dmsghttp-config.json embedded in deployment.DmsghttpJSON +var DmsghttpJSON = deployment.DmsghttpJSON + +// Prod is the production deployment dmsghttp-config.json services +var Prod DmsghttpConfig + +// Test is the test deployment dmsghttp-config.json services +var Test DmsghttpConfig + +// DiscURL returns the URL of the dmsg discovery service +func DiscURL(testenv bool) string { + if testenv { + return deployment.Test.DmsgDiscovery + } + return deployment.Prod.DmsgDiscovery +} + +// DiscAddr returns the dmsg address of the dmsg discovery service in the format "dmsg://:" +func DiscAddr(testenv bool) string { + if testenv { + return Test.DmsgDiscovery + } + return Prod.DmsgDiscovery +} + +// ExtractPKFromDmsgAddr returns the public key of the dmsg address input in this format in the format "dmsg://:" +func ExtractPKFromDmsgAddr(input string) string { + re := regexp.MustCompile(`dmsg://([^:/]+):`) + match := re.FindStringSubmatch(input) + if len(match) > 1 { + return match[1] + } + return "" +} + +// DmsghttpConfig is the struct that corresponds to the json data of the dmsghttp-config.json +type DmsghttpConfig struct { + DmsgServers []disc.Entry `json:"dmsg_servers"` + DmsgDiscovery string `json:"dmsg_discovery"` + TransportDiscovery string `json:"transport_discovery"` + AddressResolver string `json:"address_resolver"` + RouteFinder string `json:"route_finder"` + UptimeTracker string `json:"uptime_tracker"` + ServiceDiscovery string `json:"service_discovery"` +} + +func init() { + err := InitConfig() + if err != nil { + log.Panic(err) + } +} + +// InitConfig initialized the config +func InitConfig() error { + var envServices deployment.EnvServices + err := json.Unmarshal(DmsghttpJSON, &envServices) + if err != nil { + return err + } + err = json.Unmarshal(envServices.Prod, &Prod) + if err != nil { + return err + } + Prod.DmsgServers = shuffleServers(Prod.DmsgServers) + err = json.Unmarshal(envServices.Test, &Test) + if err != nil { + return err + } + return nil +} + +func shuffleServers(in []disc.Entry) []disc.Entry { + n := len(in) + for i := n - 1; i > 0; i-- { + jBig, err := rand.Int(rand.Reader, big.NewInt(int64(i+1))) + if err != nil { + panic(err) + } + j := int(jBig.Int64()) + in[i], in[j] = in[j], in[i] + } + return in +} diff --git a/pkg/dmsg/entity_common.go b/pkg/dmsg/entity_common.go index 9ead2b5d7..2e6ce82c4 100644 --- a/pkg/dmsg/entity_common.go +++ b/pkg/dmsg/entity_common.go @@ -9,9 +9,9 @@ import ( "time" "github.com/sirupsen/logrus" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/logging" - "github.com/skycoin/skywire-utilities/pkg/netutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/netutil" "github.com/skycoin/dmsg/pkg/disc" ) @@ -121,7 +121,7 @@ func (c *EntityCommon) setSession(ctx context.Context, dSes *SessionCommon) bool c.log. WithField("func", "EntityCommon.setSession"). WithError(err). - Warn("Callback returned non-nil error.") + Warn("Callback returned non-nil error.\n") } } return true @@ -135,7 +135,7 @@ func (c *EntityCommon) delSession(ctx context.Context, pk cipher.PubKey) { c.log. WithField("func", "EntityCommon.delSession"). WithError(err). - Warn("Callback returned non-nil error.") + Warn("Callback returned non-nil error.\n") } } c.sessionsMx.Unlock() @@ -143,7 +143,7 @@ func (c *EntityCommon) delSession(ctx context.Context, pk cipher.PubKey) { // updateServerEntry updates the dmsg server's entry within dmsg discovery. // If 'addr' is an empty string, the Entry.addr field will not be updated in discovery. -func (c *EntityCommon) updateServerEntry(ctx context.Context, addr string, maxSessions int) (err error) { +func (c *EntityCommon) updateServerEntry(ctx context.Context, addr string, maxSessions int, authPassphrase string) (err error) { if addr == "" { panic("updateServerEntry cannot accept empty 'addr' input") // this should never happen } @@ -170,6 +170,10 @@ func (c *EntityCommon) updateServerEntry(ctx context.Context, addr string, maxSe return errors.New("entry in discovery is not of a dmsg server") } + if authPassphrase != "" { + entry.Server.ServerType = authPassphrase + } + sessionsDelta := entry.Server.AvailableSessions != availableSessions addrDelta := entry.Server.Address != addr @@ -187,12 +191,12 @@ func (c *EntityCommon) updateServerEntry(ctx context.Context, addr string, maxSe entry.Server.Address = addr log = log.WithField("addr", entry.Server.Address) } - log.Debug("Updating entry.") + log.Debug("Updating entry.\n") return c.dc.PutEntry(ctx, c.sk, entry) } -func (c *EntityCommon) updateServerEntryLoop(ctx context.Context, addr string, maxSessions int) { +func (c *EntityCommon) updateServerEntryLoop(ctx context.Context, addr string, maxSessions int, authPassphrase string) { t := time.NewTimer(c.updateInterval) defer t.Stop() @@ -208,11 +212,11 @@ func (c *EntityCommon) updateServerEntryLoop(ctx context.Context, addr string, m } c.sessionsMx.Lock() - err := c.updateServerEntry(ctx, addr, maxSessions) + err := c.updateServerEntry(ctx, addr, maxSessions, authPassphrase) c.sessionsMx.Unlock() if err != nil { - c.log.WithError(err).Warn("Failed to update discovery entry.") + c.log.WithError(err).Warn("Failed to update discovery entry.\n") } // Ensure we trigger another update within given 'updateInterval'. @@ -221,7 +225,30 @@ func (c *EntityCommon) updateServerEntryLoop(ctx context.Context, addr string, m } } -func (c *EntityCommon) updateClientEntry(ctx context.Context, done chan struct{}) (err error) { +func (c *EntityCommon) initilizeClientEntry(ctx context.Context, clientType string, protocol string) (err error) { + // Record last update on success. + defer func() { + if err == nil { + c.recordUpdate() + } + }() + + srvPKs := make([]cipher.PubKey, 0, len(c.sessions)) + + _, err = c.dc.Entry(ctx, c.pk) + if err != nil { + entry := disc.NewClientEntry(c.pk, 0, srvPKs) + entry.ClientType = clientType + entry.Protocol = protocol + if err := entry.Sign(c.sk); err != nil { + return err + } + return c.dc.PostEntry(ctx, entry) + } + return nil +} + +func (c *EntityCommon) updateClientEntry(ctx context.Context, done chan struct{}, clientType string) (err error) { if isClosed(done) { return nil } @@ -241,17 +268,67 @@ func (c *EntityCommon) updateClientEntry(ctx context.Context, done chan struct{} entry, err := c.dc.Entry(ctx, c.pk) if err != nil { entry = disc.NewClientEntry(c.pk, 0, srvPKs) + entry.ClientType = clientType if err := entry.Sign(c.sk); err != nil { return err } return c.dc.PostEntry(ctx, entry) } + // Whether the client's CURRENT delegated servers is the same as what would be advertised. + sameSrvPKs := cipher.SamePubKeys(srvPKs, entry.Client.DelegatedServers) + + // No update is needed if delegated servers has no delta, and an entry update is not due. + if _, due := c.updateIsDue(); sameSrvPKs && !due { + return nil + } + + entry.ClientType = clientType entry.Client.DelegatedServers = srvPKs - c.log.WithField("entry", entry).Debug("Updating entry.") + c.log.WithField("entry", entry).Debug("Updating entry.\n") return c.dc.PutEntry(ctx, c.sk, entry) } +func (c *EntityCommon) updateClientEntryLoop(ctx context.Context, done chan struct{}, clientType string) { + t := time.NewTimer(c.updateInterval) + defer t.Stop() + + for { + select { + case <-ctx.Done(): + return + + case <-t.C: + if lastUpdate, due := c.updateIsDue(); !due { + t.Reset(c.updateInterval - time.Since(lastUpdate)) + continue + } + + c.sessionsMx.Lock() + err := c.updateClientEntry(ctx, done, clientType) + c.sessionsMx.Unlock() + + if err != nil { + c.log.WithError(err).Warn("Failed to update discovery entry.\n") + } + + // Ensure we trigger another update within given 'updateInterval'. + t.Reset(c.updateInterval) + } + } +} + +func (c *EntityCommon) entryProtocol(ctx context.Context, pk cipher.PubKey) string { + entry, err := c.dc.Entry(ctx, pk) + if err != nil { + c.log.WithField("entry", entry).WithError(err).Warn("Entry not found, so return empty as protocol.\n") + return "" + } + + c.log.WithField("entry", entry).Debug("Entry's protocol fetch.\n") + return entry.Protocol +} + func (c *EntityCommon) delEntry(ctx context.Context) (err error) { entry, err := c.dc.Entry(ctx, c.pk) @@ -265,7 +342,7 @@ func (c *EntityCommon) delEntry(ctx context.Context) (err error) { } }() - c.log.WithField("entry", entry).Debug("Deleting entry.") + c.log.WithField("entry", entry).Debug("Deleting entry.\n") return c.dc.DelEntry(ctx, entry) } diff --git a/pkg/dmsg/listener.go b/pkg/dmsg/listener.go index 292d37d21..24d01ce72 100644 --- a/pkg/dmsg/listener.go +++ b/pkg/dmsg/listener.go @@ -7,7 +7,7 @@ import ( "sync" "sync/atomic" - "github.com/skycoin/skywire-utilities/pkg/netutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/netutil" ) // Listener listens for remote-initiated streams. diff --git a/pkg/dmsg/server.go b/pkg/dmsg/server.go index 4985c57e2..e9dbb82dd 100644 --- a/pkg/dmsg/server.go +++ b/pkg/dmsg/server.go @@ -7,10 +7,11 @@ import ( "sync" "time" - "github.com/sirupsen/logrus" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/logging" - "github.com/skycoin/skywire-utilities/pkg/netutil" + "github.com/hashicorp/yamux" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/netutil" + "github.com/xtaci/smux" "github.com/skycoin/dmsg/internal/servermetrics" "github.com/skycoin/dmsg/pkg/disc" @@ -20,6 +21,7 @@ import ( type ServerConfig struct { MaxSessions int UpdateInterval time.Duration + AuthPassphrase string } // DefaultServerConfig returns the default server config. @@ -49,6 +51,8 @@ type Server struct { addrDone chan struct{} maxSessions int + + authPassphrase string } // NewServer creates a new dmsg server entity. @@ -69,11 +73,12 @@ func NewServer(pk cipher.PubKey, sk cipher.SecKey, dc disc.APIClient, conf *Serv s.addrDone = make(chan struct{}) s.maxSessions = conf.MaxSessions s.setSessionCallback = func(ctx context.Context) error { - return s.updateServerEntry(ctx, s.AdvertisedAddr(), s.maxSessions) + return s.updateServerEntry(ctx, s.AdvertisedAddr(), s.maxSessions, conf.AuthPassphrase) } s.delSessionCallback = func(ctx context.Context) error { - return s.updateServerEntry(ctx, s.AdvertisedAddr(), s.maxSessions) + return s.updateServerEntry(ctx, s.AdvertisedAddr(), s.maxSessions, conf.AuthPassphrase) } + s.authPassphrase = conf.AuthPassphrase return s } @@ -168,13 +173,13 @@ func (s *Server) Serve(lis net.Listener, addr string) error { func (s *Server) startUpdateEntryLoop(ctx context.Context) error { err := netutil.NewDefaultRetrier(s.log).Do(ctx, func() error { - return s.updateServerEntry(ctx, s.AdvertisedAddr(), s.maxSessions) + return s.updateServerEntry(ctx, s.AdvertisedAddr(), s.maxSessions, s.authPassphrase) }) if err != nil { return err } - go s.updateServerEntryLoop(ctx, s.AdvertisedAddr(), s.maxSessions) + go s.updateServerEntryLoop(ctx, s.AdvertisedAddr(), s.maxSessions, s.authPassphrase) return nil } @@ -202,16 +207,27 @@ func (s *Server) Ready() <-chan struct{} { } func (s *Server) handleSession(conn net.Conn) { - log := logrus.FieldLogger(s.log.WithField("remote_tcp", conn.RemoteAddr())) + defer func() { + if r := recover(); r != nil { + s.log.WithField("panic", r). + WithField("remote_tcp", conn.RemoteAddr()). + Error("Recovered from panic in handleSession, connection will be closed") + if err := conn.Close(); err != nil { + s.log.WithError(err).Warn("Failed to close connection after panic recovery") + } + } + }() + + log := s.log.WithField("remote_tcp", conn.RemoteAddr()) dSes, err := makeServerSession(s.m, &s.EntityCommon, conn) if err != nil { + log.WithError(err).Warn("Failed to create server session") if err := conn.Close(); err != nil { - log.WithError(err).Debug("On handleSession() failure, close connection resulted in error.") + log.WithError(err).Warn("On handleSession() failure, close connection resulted in error.") } return } - log = log.WithField("remote_pk", dSes.RemotePK()) log.Info("Started session.") @@ -220,6 +236,31 @@ func (s *Server) handleSession(conn net.Conn) { awaitDone(ctx, s.done) log.WithError(dSes.Close()).Info("Stopped session.") }() + // detect visor protocol for dmsg + protocol := s.entryProtocol(ctx, dSes.RemotePK()) + + // based on protocol, create smux or yamux stream session + dSes.sm.mutx.Lock() + if protocol == "smux" { + dSes.sm.smux, err = smux.Server(conn, smux.DefaultConfig()) + if err != nil { + dSes.sm.mutx.Unlock() + cancel() + return + } + dSes.sm.addr = dSes.sm.smux.RemoteAddr() + log.Infof("smux stream session initial for %s", dSes.RemotePK().String()) + } else { + dSes.sm.yamux, err = yamux.Server(conn, yamux.DefaultConfig()) + if err != nil { + dSes.sm.mutx.Unlock() + cancel() + return + } + dSes.sm.addr = dSes.sm.yamux.RemoteAddr() + log.Infof("yamux stream session initial for %s", dSes.RemotePK().String()) + } + dSes.sm.mutx.Unlock() if s.setSession(ctx, dSes.SessionCommon) { dSes.Serve() diff --git a/pkg/dmsg/server_session.go b/pkg/dmsg/server_session.go index 7b5e04471..699b332e0 100644 --- a/pkg/dmsg/server_session.go +++ b/pkg/dmsg/server_session.go @@ -2,12 +2,14 @@ package dmsg import ( + "fmt" "io" "net" + "github.com/hashicorp/yamux" "github.com/sirupsen/logrus" - "github.com/skycoin/skywire-utilities/pkg/netutil" - "github.com/skycoin/yamux" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/netutil" + "github.com/xtaci/smux" "github.com/skycoin/dmsg/internal/servermetrics" "github.com/skycoin/dmsg/pkg/noise" @@ -43,30 +45,64 @@ func (ss *ServerSession) Close() error { func (ss *ServerSession) Serve() { ss.m.RecordSession(servermetrics.DeltaConnect) // record successful connection defer ss.m.RecordSession(servermetrics.DeltaDisconnect) // record disconnection - - for { - yStr, err := ss.ys.AcceptStream() - if err != nil { - switch err { - case yamux.ErrSessionShutdown, io.EOF: - ss.log.WithError(err).Info("Stopping session...") - default: - ss.log.WithError(err).Warn("Failed to accept stream, stopping session...") + if ss.sm.smux != nil { + for { + sStr, err := ss.sm.smux.AcceptStream() + if err != nil { + switch err { + case io.EOF: + ss.log.WithError(err).Info("Stopping session...") + default: + ss.log.WithError(err).Warn("Failed to accept stream, stopping session...") + } + return } - return - } - log := ss.log.WithField("yamux_id", yStr.StreamID()) - log.Info("Initiating stream.") + log := ss.log.WithField("smux_id", sStr.ID()) + log.Info("Initiating stream.") + + go func(sStr *smux.Stream) { + defer func() { + if r := recover(); r != nil { + log.WithField("panic", r).Error("Recovered from panic in serveStream") + } + }() + err := ss.serveStream(log, sStr, ss.sm.addr) + log.WithError(err).Info("Stopped stream.") + }(sStr) + } + } else { + for { + yStr, err := ss.sm.yamux.AcceptStream() + if err != nil { + switch err { + case yamux.ErrSessionShutdown, io.EOF: + ss.log.WithError(err).Info("Stopping session...") + default: + ss.log.WithError(err).Warn("Failed to accept stream, stopping session...") + } + return + } - go func(yStr *yamux.Stream) { - err := ss.serveStream(log, yStr) - log.WithError(err).Info("Stopped stream.") - }(yStr) + log := ss.log.WithField("yamux_id", yStr.StreamID()) + log.Info("Initiating stream.") + + go func(yStr *yamux.Stream) { + defer func() { + if r := recover(); r != nil { + log.WithField("panic", r).Error("Recovered from panic in serveStream") + } + }() + err := ss.serveStream(log, yStr, ss.sm.addr) + log.WithError(err).Info("Stopped stream.") + }(yStr) + } } } -func (ss *ServerSession) serveStream(log logrus.FieldLogger, yStr *yamux.Stream) error { +// struct + +func (ss *ServerSession) serveStream(log logrus.FieldLogger, yStr io.ReadWriteCloser, addr net.Addr) error { readRequest := func() (StreamRequest, error) { obj, err := ss.readObject(yStr) if err != nil { @@ -98,6 +134,29 @@ func (ss *ServerSession) serveStream(log logrus.FieldLogger, yStr *yamux.Stream) WithField("dst_addr", req.DstAddr) log.Debug("Read stream request from initiating side.") + if req.IPinfo && req.DstAddr.PK == ss.entity.LocalPK() { + log.Debug("Received IP stream request.") + + ip, err := addrToIP(addr) + if err != nil { + ss.m.RecordStream(servermetrics.DeltaFailed) // record failed stream + return err + } + + resp := StreamResponse{ + ReqHash: req.raw.Hash(), + Accepted: true, + IP: ip, + } + obj := MakeSignedStreamResponse(&resp, ss.entity.LocalSK()) + + if err := ss.writeObject(yStr, obj); err != nil { + ss.m.RecordStream(servermetrics.DeltaFailed) // record failed stream + return err + } + log.Debug("Wrote IP stream response.") + return nil + } // Obtain next session. ss2, ok := ss.entity.serverSession(req.DstAddr.PK) @@ -129,22 +188,38 @@ func (ss *ServerSession) serveStream(log logrus.FieldLogger, yStr *yamux.Stream) return netutil.CopyReadWriteCloser(yStr, yStr2) } -func (ss *ServerSession) forwardRequest(req StreamRequest) (yStr *yamux.Stream, respObj SignedObject, err error) { +func addrToIP(addr net.Addr) (net.IP, error) { + switch a := addr.(type) { + case *net.TCPAddr: + return a.IP, nil + case *net.UDPAddr: + return a.IP, nil + default: + return nil, fmt.Errorf("unsupported address type %T", addr) + } +} + +func (ss *ServerSession) forwardRequest(req StreamRequest) (mStr io.ReadWriteCloser, respObj SignedObject, err error) { defer func() { - if err != nil && yStr != nil { + if err != nil && mStr != nil { ss.log. - WithError(yStr.Close()). + WithError(mStr.Close()). Debugf("After forwardRequest failed, the yamux stream is closed.") } }() - - if yStr, err = ss.ys.OpenStream(); err != nil { - return nil, nil, err + if ss.sm.smux != nil { + if mStr, err = ss.sm.smux.OpenStream(); err != nil { + return nil, nil, err + } + } else { + if mStr, err = ss.sm.yamux.OpenStream(); err != nil { + return nil, nil, err + } } - if err = ss.writeObject(yStr, req.raw); err != nil { + if err = ss.writeObject(mStr, req.raw); err != nil { return nil, nil, err } - if respObj, err = ss.readObject(yStr); err != nil { + if respObj, err = ss.readObject(mStr); err != nil { return nil, nil, err } var resp StreamResponse @@ -154,5 +229,5 @@ func (ss *ServerSession) forwardRequest(req StreamRequest) (yStr *yamux.Stream, if err = resp.Verify(req); err != nil { return nil, nil, err } - return yStr, respObj, nil + return mStr, respObj, nil } diff --git a/pkg/dmsg/session_common.go b/pkg/dmsg/session_common.go index c4dd66f86..a71930c0a 100644 --- a/pkg/dmsg/session_common.go +++ b/pkg/dmsg/session_common.go @@ -3,14 +3,17 @@ package dmsg import ( "encoding/binary" + "fmt" "io" "net" "sync" "time" + "github.com/chen3feng/safecast" + "github.com/hashicorp/yamux" "github.com/sirupsen/logrus" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/yamux" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/xtaci/smux" "github.com/skycoin/dmsg/pkg/noise" ) @@ -22,15 +25,25 @@ type SessionCommon struct { rPK cipher.PubKey // remote pk netConn net.Conn // underlying net.Conn (TCP connection to the dmsg server) - ys *yamux.Session - ns *noise.Noise - nMap noise.NonceMap - rMx sync.Mutex - wMx sync.Mutex + // ys *yamux.Session + // ss *smux.Session + sm SessionManager + ns *noise.Noise + nMap noise.NonceMap + rMx sync.Mutex + wMx sync.Mutex log logrus.FieldLogger } +// SessionManager blablabla +type SessionManager struct { + mutx sync.RWMutex + yamux *yamux.Session + smux *smux.Session + addr net.Addr +} + // GetConn returns underlying TCP `net.Conn`. func (sc *SessionCommon) GetConn() net.Conn { return sc.netConn @@ -68,16 +81,9 @@ func (sc *SessionCommon) initClient(entity *EntityCommon, conn net.Conn, rPK cip if rw.Buffered() > 0 { return ErrSessionHandshakeExtraBytes } - - ySes, err := yamux.Client(conn, yamux.DefaultConfig()) - if err != nil { - return err - } - sc.entity = entity sc.rPK = rPK sc.netConn = conn - sc.ys = ySes sc.ns = ns sc.nMap = make(noise.NonceMap) sc.log = entity.log.WithField("session", ns.RemoteStatic()) @@ -102,15 +108,9 @@ func (sc *SessionCommon) initServer(entity *EntityCommon, conn net.Conn) error { return ErrSessionHandshakeExtraBytes } - ySes, err := yamux.Server(conn, yamux.DefaultConfig()) - if err != nil { - return err - } - sc.entity = entity sc.rPK = ns.RemoteStatic() sc.netConn = conn - sc.ys = ySes sc.ns = ns sc.nMap = make(noise.NonceMap) sc.log = entity.log.WithField("session", ns.RemoteStatic()) @@ -123,9 +123,13 @@ func (sc *SessionCommon) writeObject(w io.Writer, obj SignedObject) error { p := sc.ns.EncryptUnsafe(obj) sc.wMx.Unlock() p = append(make([]byte, 2), p...) - binary.BigEndian.PutUint16(p, uint16(len(p)-2)) - _, err := w.Write(p) - return err + lps2, ok := safecast.To[uint16](len(p) - 2) + if ok { + binary.BigEndian.PutUint16(p, lps2) + _, err := w.Write(p) + return err + } + return fmt.Errorf("writeObject failed cast to uint16") } func (sc *SessionCommon) readObject(r io.Reader) (SignedObject, error) { @@ -164,14 +168,29 @@ func (sc *SessionCommon) LocalTCPAddr() net.Addr { return sc.netConn.LocalAddr() func (sc *SessionCommon) RemoteTCPAddr() net.Addr { return sc.netConn.RemoteAddr() } // Ping obtains the round trip latency of the session. -func (sc *SessionCommon) Ping() (time.Duration, error) { return sc.ys.Ping() } +func (sc *SessionCommon) Ping() (time.Duration, error) { + sc.sm.mutx.RLock() + defer sc.sm.mutx.RUnlock() + if sc.sm.yamux != nil { + return sc.sm.yamux.Ping() + } + return 0, fmt.Errorf("Ping not available on SMUX protocol") +} // Close closes the session. func (sc *SessionCommon) Close() error { if sc == nil { return nil } - err := sc.ys.Close() + var err error + sc.sm.mutx.Lock() + if sc.sm.smux != nil { + err = sc.sm.smux.Close() + } + if sc.sm.yamux != nil { + err = sc.sm.yamux.Close() + } + sc.sm.mutx.Unlock() sc.rMx.Lock() sc.nMap = nil sc.rMx.Unlock() diff --git a/pkg/dmsg/stream.go b/pkg/dmsg/stream.go index 7f841bf7a..2c255ab77 100644 --- a/pkg/dmsg/stream.go +++ b/pkg/dmsg/stream.go @@ -6,9 +6,10 @@ import ( "net" "time" + "github.com/hashicorp/yamux" "github.com/sirupsen/logrus" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/yamux" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/xtaci/smux" "github.com/skycoin/dmsg/pkg/noise" ) @@ -17,7 +18,7 @@ import ( type Stream struct { ses *ClientSession // back reference yStr *yamux.Stream - + sStr *smux.Stream // The following fields are to be filled after handshake. lAddr Addr rAddr Addr @@ -28,15 +29,30 @@ type Stream struct { } func newInitiatingStream(cSes *ClientSession) (*Stream, error) { - yStr, err := cSes.ys.OpenStream() + if cSes.sm.smux != nil { + sStr, err := cSes.sm.smux.OpenStream() + if err != nil { + return nil, err + } + return &Stream{ses: cSes, sStr: sStr}, nil + } + yStr, err := cSes.sm.yamux.OpenStream() if err != nil { return nil, err } return &Stream{ses: cSes, yStr: yStr}, nil + } func newRespondingStream(cSes *ClientSession) (*Stream, error) { - yStr, err := cSes.ys.AcceptStream() + if cSes.sm.smux != nil { + sStr, err := cSes.sm.smux.AcceptStream() + if err != nil { + return nil, err + } + return &Stream{ses: cSes, sStr: sStr}, nil + } + yStr, err := cSes.sm.yamux.AcceptStream() if err != nil { return nil, err } @@ -51,6 +67,9 @@ func (s *Stream) Close() error { if s.close != nil { s.close() } + if s.sStr != nil { + return s.sStr.Close() + } return s.yStr.Close() } @@ -83,15 +102,53 @@ func (s *Stream) writeRequest(rAddr Addr) (req StreamRequest, err error) { obj := MakeSignedStreamRequest(&req, s.ses.localSK()) // Write request. + if s.sStr != nil { + err = s.ses.writeObject(s.sStr, obj) + return + } + err = s.ses.writeObject(s.yStr, obj) + return +} + +func (s *Stream) writeIPRequest(rAddr Addr) (req StreamRequest, err error) { + // Reserve stream in porter. + var lPort uint16 + if lPort, s.close, err = s.ses.porter.ReserveEphemeral(context.Background(), s); err != nil { + return + } + + // Prepare fields. + s.prepareFields(true, Addr{PK: s.ses.LocalPK(), Port: lPort}, rAddr) + + req = StreamRequest{ + Timestamp: time.Now().UnixNano(), + SrcAddr: s.lAddr, + DstAddr: s.rAddr, + IPinfo: true, + } + obj := MakeSignedStreamRequest(&req, s.ses.localSK()) + + // Write request. + if s.sStr != nil { + err = s.ses.writeObject(s.sStr, obj) + return + } err = s.ses.writeObject(s.yStr, obj) return } func (s *Stream) readRequest() (req StreamRequest, err error) { var obj SignedObject - if obj, err = s.ses.readObject(s.yStr); err != nil { - return + if s.sStr != nil { + if obj, err = s.ses.readObject(s.sStr); err != nil { + return + } + } else { + if obj, err = s.ses.readObject(s.yStr); err != nil { + return + } } + if req, err = obj.ObtainStreamRequest(); err != nil { return } @@ -135,8 +192,14 @@ func (s *Stream) writeResponse(reqHash cipher.SHA256) error { } obj := MakeSignedStreamResponse(&resp, s.ses.localSK()) - if err := s.ses.writeObject(s.yStr, obj); err != nil { - return err + if s.sStr != nil { + if err := s.ses.writeObject(s.sStr, obj); err != nil { + return err + } + } else { + if err := s.ses.writeObject(s.yStr, obj); err != nil { + return err + } } // Push stream to listener. @@ -144,9 +207,18 @@ func (s *Stream) writeResponse(reqHash cipher.SHA256) error { } func (s *Stream) readResponse(req StreamRequest) error { - obj, err := s.ses.readObject(s.yStr) - if err != nil { - return err + var obj SignedObject + var err error + if s.sStr != nil { + obj, err = s.ses.readObject(s.sStr) + if err != nil { + return err + } + } else { + obj, err = s.ses.readObject(s.yStr) + if err != nil { + return err + } } resp, err := obj.ObtainStreamResponse() if err != nil { @@ -158,6 +230,30 @@ func (s *Stream) readResponse(req StreamRequest) error { return s.ns.ProcessHandshakeMessage(resp.NoiseMsg) } +func (s *Stream) readIPResponse(req StreamRequest) (net.IP, error) { + var obj SignedObject + var err error + if s.sStr != nil { + obj, err = s.ses.readObject(s.sStr) + if err != nil { + return nil, err + } + } else { + obj, err = s.ses.readObject(s.yStr) + if err != nil { + return nil, err + } + } + resp, err := obj.ObtainStreamResponse() + if err != nil { + return nil, err + } + if err := resp.Verify(req); err != nil { + return nil, err + } + return resp.IP, nil +} + func (s *Stream) prepareFields(init bool, lAddr, rAddr Addr) { ns, err := noise.New(noise.HandshakeKK, noise.Config{ LocalPK: s.ses.LocalPK(), @@ -172,7 +268,11 @@ func (s *Stream) prepareFields(init bool, lAddr, rAddr Addr) { s.lAddr = lAddr s.rAddr = rAddr s.ns = ns - s.nsConn = noise.NewReadWriter(s.yStr, s.ns) + if s.sStr != nil { + s.nsConn = noise.NewReadWriter(s.sStr, s.ns) + } else { + s.nsConn = noise.NewReadWriter(s.yStr, s.ns) + } s.log = s.ses.log.WithField("stream", s.lAddr.ShortString()+"->"+s.rAddr.ShortString()) } @@ -203,6 +303,9 @@ func (s *Stream) ServerPK() cipher.PubKey { // StreamID returns the stream ID. func (s *Stream) StreamID() uint32 { + if s.sStr != nil { + return s.sStr.ID() + } return s.yStr.StreamID() } @@ -218,15 +321,24 @@ func (s *Stream) Write(b []byte) (int, error) { // SetDeadline implements net.Conn func (s *Stream) SetDeadline(t time.Time) error { + if s.sStr != nil { + return s.sStr.SetDeadline(t) + } return s.yStr.SetDeadline(t) } // SetReadDeadline implements net.Conn func (s *Stream) SetReadDeadline(t time.Time) error { + if s.sStr != nil { + return s.sStr.SetReadDeadline(t) + } return s.yStr.SetReadDeadline(t) } // SetWriteDeadline implements net.Conn func (s *Stream) SetWriteDeadline(t time.Time) error { + if s.sStr != nil { + return s.sStr.SetWriteDeadline(t) + } return s.yStr.SetWriteDeadline(t) } diff --git a/pkg/dmsg/stream_test.go b/pkg/dmsg/stream_test.go index c1081dffe..a5a8390a1 100644 --- a/pkg/dmsg/stream_test.go +++ b/pkg/dmsg/stream_test.go @@ -6,12 +6,14 @@ import ( "fmt" "io" "net" + "runtime" "sync" "testing" "time" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" "golang.org/x/net/nettest" @@ -208,8 +210,187 @@ func TestStream(t *testing.T) { require.NoError(t, <-chSrv) } +func TestLookupIP(t *testing.T) { + // Prepare mock discovery. + dc := disc.NewMock(0) + const maxSessions = 10 + + // Prepare dmsg server A. + pkSrvA, skSrvB := GenKeyPair(t, "server_A") + srvConf := &ServerConfig{ + MaxSessions: maxSessions, + UpdateInterval: 0, + } + srv := NewServer(pkSrvA, skSrvB, dc, srvConf, nil) + srv.SetLogger(logging.MustGetLogger("server")) + lisSrv, err := net.Listen("tcp", "") + require.NoError(t, err) + + // Serve dmsg server. + chSrv := make(chan error, 1) + go func() { chSrv <- srv.Serve(lisSrv, "") }() //nolint:errcheck + + // Prepare and serve dmsg client A. + pkA, skA := GenKeyPair(t, "client A") + + clientConfig := &Config{ + MinSessions: DefaultMinSessions, + UpdateInterval: DefaultUpdateInterval * 5, + ClientType: "test", + } + + dmsgC := NewClient(pkA, skA, dc, clientConfig) + go dmsgC.Serve(context.Background()) + t.Cleanup(func() { assert.NoError(t, dmsgC.Close()) }) + <-dmsgC.Ready() + + t.Run("test_connected_server", func(t *testing.T) { + // Ensure all entities are registered in discovery before continuing. + time.Sleep(time.Second * 2) + + // Lookup IP. + srvs := []cipher.PubKey{pkSrvA} + ip, err := dmsgC.LookupIP(context.Background(), srvs) + require.NoError(t, err) + + if runtime.GOOS == "windows" { + require.Equal(t, net.ParseIP("127.0.0.1"), ip) + } else { + require.Equal(t, net.ParseIP("::1"), ip) + } + + // Ensure all entities are deregistered in discovery before continuing. + time.Sleep(time.Second * 2) + }) + + t.Run("test_disconnected_server", func(t *testing.T) { + // Prepare dmsg server B. + pkSrvB, skSrvB := GenKeyPair(t, "server_B") + srvB := NewServer(pkSrvB, skSrvB, dc, srvConf, nil) + srvB.SetLogger(logging.MustGetLogger("server_B")) + lisSrvB, err := net.Listen("tcp", "") + require.NoError(t, err) + + // Serve dmsg server B. + chSrvB := make(chan error, 1) + go func() { chSrvB <- srvB.Serve(lisSrvB, "") }() //nolint:errcheck + + // Ensure all entities are registered in discovery before continuing. + time.Sleep(time.Second * 2) + + srvs := []cipher.PubKey{pkSrvB} + ip, err := dmsgC.LookupIP(context.Background(), srvs) + require.NoError(t, err) + + if runtime.GOOS == "windows" { + require.Equal(t, net.ParseIP("127.0.0.1"), ip) + } else { + require.Equal(t, net.ParseIP("::1"), ip) + } + + // Ensure all entities are deregistered in discovery before continuing. + time.Sleep(time.Second * 2) + + // Ensure the server B entry is deleted and server A entry is still there. + pks := dmsgC.ConnectedServersPK() + require.Equal(t, []string{pkSrvA.String()}, pks) + }) + + // Closing logic. + require.NoError(t, dmsgC.Close()) + require.NoError(t, srv.Close()) + require.NoError(t, <-chSrv) +} + func GenKeyPair(t *testing.T, seed string) (cipher.PubKey, cipher.SecKey) { pk, sk, err := cipher.GenerateDeterministicKeyPair([]byte(seed)) require.NoError(t, err) return pk, sk } + +// TestInvalidPublicKeyNoPanic tests that the server doesn't crash when receiving +// a connection with an invalid public key during the noise handshake. +// This is a regression test for a 2+ year old bug where invalid public keys +// would cause the server to panic and crash. +func TestInvalidPublicKeyNoPanic(t *testing.T) { + // Prepare mock discovery. + dc := disc.NewMock(0) + const maxSessions = 10 + + // Prepare dmsg server. + pkSrv, skSrv := GenKeyPair(t, "server") + srvConf := &ServerConfig{ + MaxSessions: maxSessions, + UpdateInterval: 0, + } + srv := NewServer(pkSrv, skSrv, dc, srvConf, nil) + srv.SetLogger(logging.MustGetLogger("server")) + lisSrv, err := net.Listen("tcp", "") + require.NoError(t, err) + + // Serve dmsg server. + chSrv := make(chan error, 1) + go func() { chSrv <- srv.Serve(lisSrv, "") }() //nolint:errcheck + + // Give server time to start + time.Sleep(500 * time.Millisecond) + + // Attempt to send a handshake with invalid public key data + // This simulates a malicious or buggy client + t.Run("invalid_pubkey_handshake", func(t *testing.T) { + conn, err := net.Dial("tcp", lisSrv.Addr().String()) + require.NoError(t, err) + defer func() { _ = conn.Close() }() //nolint:errcheck + + // Send invalid noise handshake data (contains invalid public key) + // In a real noise handshake, the public key would be embedded in the message + // We send malformed data that will trigger invalid public key error + invalidData := make([]byte, 100) + // Write some invalid data that looks like a handshake but has invalid key + copy(invalidData, []byte{0x00, 0x32}) // frame length prefix (50 bytes) + // Rest is invalid/random data that will fail public key validation + for i := 2; i < len(invalidData); i++ { + invalidData[i] = byte(i) // deterministic but invalid + } + + _, err = conn.Write(invalidData) + // Write may succeed, but the server should handle the invalid data gracefully + if err != nil { + t.Logf("Write failed (expected): %v", err) + } + + // Give server time to process the invalid handshake + time.Sleep(500 * time.Millisecond) + + // Read to see if connection was closed (expected behavior) + buf := make([]byte, 10) + _ = conn.SetReadDeadline(time.Now().Add(1 * time.Second)) //nolint:errcheck + _, _ = conn.Read(buf) //nolint:errcheck + // We expect the connection to be closed or timeout + // The important thing is the server didn't crash + }) + + // Verify server is still running and can accept valid connections + t.Run("valid_connection_after_invalid", func(t *testing.T) { + // Prepare and serve a valid dmsg client + pkA, skA := GenKeyPair(t, "client A") + clientA := NewClient(pkA, skA, dc, DefaultConfig()) + clientA.SetLogger(logging.MustGetLogger("client_A")) + go clientA.Serve(context.Background()) + + // Wait for client to register + time.Sleep(time.Second * 2) + + // Attempt to use the client - if server crashed, this will fail + lis, err := clientA.Listen(8081) + require.NoError(t, err, "Server should still be running and accept valid connections") + + // Clean up + require.NoError(t, lis.Close()) + require.NoError(t, clientA.Close()) + }) + + // Closing logic - server should still be healthy + require.NoError(t, srv.Close()) + require.NoError(t, <-chSrv) +} diff --git a/pkg/dmsg/types.go b/pkg/dmsg/types.go index 1e39ee14f..d98ed2911 100644 --- a/pkg/dmsg/types.go +++ b/pkg/dmsg/types.go @@ -4,10 +4,11 @@ package dmsg import ( "errors" "fmt" + "net" "strings" "time" - "github.com/skycoin/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" ) const ( @@ -167,6 +168,7 @@ type StreamRequest struct { Timestamp int64 SrcAddr Addr DstAddr Addr + IPinfo bool NoiseMsg []byte raw SignedObject `enc:"-"` // back reference. @@ -203,6 +205,7 @@ func (req StreamRequest) Verify(lastTimestamp int64) error { type StreamResponse struct { ReqHash cipher.SHA256 // Hash of associated dial request. Accepted bool // Whether the request is accepted. + IP net.IP // IP address of the node. ErrCode errorCode // Check if not accepted. NoiseMsg []byte diff --git a/pkg/dmsgctrl/serve_listener.go b/pkg/dmsgctrl/serve_listener.go index da1721811..2fd9b9283 100644 --- a/pkg/dmsgctrl/serve_listener.go +++ b/pkg/dmsgctrl/serve_listener.go @@ -1,7 +1,9 @@ // Package dmsgctrl pkg/dmsgctrl/serve_listener.go package dmsgctrl -import "net" +import ( + "net" +) // ServeListener serves a listener with dmsgctrl.Control. // It returns a channel for incoming Controls. diff --git a/pkg/dmsgcurl/dmsgcurl.go b/pkg/dmsgcurl/dmsgcurl.go new file mode 100644 index 000000000..785c471d1 --- /dev/null +++ b/pkg/dmsgcurl/dmsgcurl.go @@ -0,0 +1,270 @@ +// Package dmsgcurl pkg/dmsgcurl/dmsgcurl.go +package dmsgcurl + +import ( + "context" + "errors" + "flag" + "fmt" + "io" + "net/http" + "os" + "path/filepath" + "time" + + jsoniter "github.com/json-iterator/go" + "github.com/sirupsen/logrus" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + + "github.com/skycoin/dmsg/pkg/disc" + dmsg "github.com/skycoin/dmsg/pkg/dmsg" + "github.com/skycoin/dmsg/pkg/dmsghttp" +) + +var jsonite = jsoniter.ConfigFastest + +// DmsgCurl contains the logic for dmsgcurl (curl over dmsg). +type DmsgCurl struct { + startF startupFlags + dmsgF dmsgFlags + dlF downloadFlags + httpF httpFlags + fs *flag.FlagSet +} + +// New creates a new DmsgCurl instance. +func New(fs *flag.FlagSet) *DmsgCurl { + dg := &DmsgCurl{fs: fs} + + for _, fg := range dg.flagGroups() { + fg.Init(fs) + } + + w := fs.Output() + flag.Usage = func() { + _, _ = fmt.Fprintf(w, "Skycoin %s %s, wget over dmsg.\n", ExecName, Version) //nolint + _, _ = fmt.Fprintf(w, "Usage: %s [OPTION]... [URL]\n\n", ExecName) //nolint + flag.PrintDefaults() + _, _ = fmt.Fprintln(w, "") //nolint + } + + return dg +} + +// String implements io.Stringer +func (dg *DmsgCurl) String() string { + m := make(map[string]interface{}) + for _, fg := range dg.flagGroups() { + m[fg.Name()] = fg + } + j, err := jsonite.Marshal(m) + if err != nil { + panic(err) + } + return string(j) +} + +func (dg *DmsgCurl) flagGroups() []FlagGroup { + return []FlagGroup{&dg.startF, &dg.dmsgF, &dg.dlF, &dg.httpF} +} + +// Run runs the download logic. +func (dg *DmsgCurl) Run(ctx context.Context, log *logging.Logger, skStr string, args []string) (err error) { + if log == nil { + log = logging.MustGetLogger("dmsgcurl") + } + + if dg.startF.Help { + dg.fs.Usage() + return nil + } + + pk, sk, err := parseKeyPair(skStr) + if err != nil { + return fmt.Errorf("failed to parse provided key pair: %w", err) + } + + u, err := parseURL(args) + if err != nil { + return fmt.Errorf("failed to parse provided URL: %w", err) + } + + file, err := parseOutputFile(dg.dlF.Output, u.URL.Path) + if err != nil { + return fmt.Errorf("failed to prepare output file: %w", err) + } + defer func() { + if fErr := file.Close(); fErr != nil { + log.WithError(fErr).Warn("Failed to close output file.") + } + if err != nil { + if rErr := os.RemoveAll(file.Name()); rErr != nil { + log.WithError(rErr).Warn("Failed to remove output file.") + } + } + }() + + dmsgC, closeDmsg, err := dg.StartDmsg(ctx, log, pk, sk) + if err != nil { + return fmt.Errorf("failed to start dmsg: %w", err) + } + defer closeDmsg() + + httpC := http.Client{Transport: dmsghttp.MakeHTTPTransport(ctx, dmsgC)} + + for i := 0; i < dg.dlF.Tries; i++ { + log.Infof("Download attempt %d/%d ...", i, dg.dlF.Tries) + + if _, err := file.Seek(0, 0); err != nil { + return fmt.Errorf("failed to reset file: %w", err) + } + + if err := Download(ctx, log, &httpC, file, u.URL.String(), 0); err != nil { + log.WithError(err).Error() + select { + case <-ctx.Done(): + return ctx.Err() + case <-time.After(time.Duration(dg.dlF.Wait) * time.Second): + continue + } + } + + // download successful. + return nil + } + + return errors.New("all download attempts failed") +} + +func parseKeyPair(skStr string) (pk cipher.PubKey, sk cipher.SecKey, err error) { + if skStr == "" { + pk, sk = cipher.GenerateKeyPair() + return + } + + if err = sk.Set(skStr); err != nil { + return + } + + pk, err = sk.PubKey() + return +} + +func parseURL(args []string) (*URL, error) { + if len(args) == 0 { + return nil, ErrNoURLs + } + + if len(args) > 1 { + return nil, ErrMultipleURLsNotSupported + } + + var out URL + if err := out.Fill(args[0]); err != nil { + return nil, fmt.Errorf("provided URL is invalid: %w", err) + } + + return &out, nil +} + +func parseOutputFile(name string, urlPath string) (*os.File, error) { + stat, statErr := os.Stat(name) + if statErr != nil { + if os.IsNotExist(statErr) { + f, err := os.Create(name) //nolint + if err != nil { + return nil, err + } + return f, nil + } + return nil, statErr + } + + if stat.IsDir() { + f, err := os.Create(filepath.Join(name, urlPath)) //nolint + if err != nil { + return nil, err + } + return f, nil + } + + return nil, os.ErrExist +} + +// StartDmsg create dsmg client instance +func (dg *DmsgCurl) StartDmsg(ctx context.Context, log *logging.Logger, pk cipher.PubKey, sk cipher.SecKey) (dmsgC *dmsg.Client, stop func(), err error) { + dmsgC = dmsg.NewClient(pk, sk, disc.NewHTTP(dg.dmsgF.Disc, &http.Client{}, log), &dmsg.Config{MinSessions: dg.dmsgF.Sessions}) + go dmsgC.Serve(context.Background()) + + stop = func() { + err := dmsgC.Close() + log.WithError(err).Info("Disconnected from dmsg network.") + } + + log.WithField("public_key", pk.String()).WithField("dmsg_disc", dg.dmsgF.Disc). + Info("Connecting to dmsg network...") + + select { + case <-ctx.Done(): + stop() + return nil, nil, ctx.Err() + + case <-dmsgC.Ready(): + log.Info("Dmsg network ready.") + return dmsgC, stop, nil + } +} + +// Download downloads a file from the given URL into 'w'. +func Download(ctx context.Context, log logrus.FieldLogger, httpC *http.Client, w io.Writer, urlStr string, maxSize int64) error { + req, err := http.NewRequest(http.MethodGet, urlStr, nil) + if err != nil { + log.WithError(err).Fatal("Failed to formulate HTTP request.") + } + resp, err := httpC.Do(req) + if err != nil { + return fmt.Errorf("failed to connect to HTTP server: %w", err) + } + if maxSize > 0 { + if resp.ContentLength > maxSize*1024 { + return fmt.Errorf("requested file size is more than allowed size: %d KB > %d KB", (resp.ContentLength / 1024), maxSize) + } + } + n, err := CancellableCopy(ctx, w, resp.Body, resp.ContentLength) + if err != nil { + return fmt.Errorf("download failed at %d/%dB: %w", n, resp.ContentLength, err) + } + defer func() { + if err := resp.Body.Close(); err != nil { + log.WithError(err).Warn("HTTP Response body closed with non-nil error.") + } + }() + + return nil +} + +type readerFunc func(p []byte) (n int, err error) + +func (rf readerFunc) Read(p []byte) (n int, err error) { return rf(p) } + +// CancellableCopy will call the Reader and Writer interface multiple time, in order +// to copy by chunk (avoiding loading the whole file in memory). +func CancellableCopy(ctx context.Context, w io.Writer, body io.ReadCloser, length int64) (int64, error) { + + n, err := io.Copy(io.MultiWriter(w, &ProgressWriter{Total: length}), readerFunc(func(p []byte) (int, error) { + + // golang non-blocking channel: https://gobyexample.com/non-blocking-channel-operations + select { + + // if context has been canceled + case <-ctx.Done(): + // stop process and propagate "Download Canceled" error + return 0, errors.New("Download Canceled") + default: + // otherwise just run default io.Reader implementation + return body.Read(p) + } + })) + return n, err +} diff --git a/pkg/dmsgcurl/dmsgcurl_test.go b/pkg/dmsgcurl/dmsgcurl_test.go new file mode 100644 index 000000000..5f5bf28ba --- /dev/null +++ b/pkg/dmsgcurl/dmsgcurl_test.go @@ -0,0 +1,186 @@ +// Package dmsgcurl pkg/dmsgcurl/dmsgcurl_test.go +package dmsgcurl + +import ( + "context" + "fmt" + "net/http" + "os" + "path/filepath" + "testing" + "time" + + "github.com/go-chi/chi/v5" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cmdutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" + "github.com/stretchr/testify/assert" + "github.com/stretchr/testify/require" + "golang.org/x/net/nettest" + + "github.com/skycoin/dmsg/pkg/disc" + dmsg "github.com/skycoin/dmsg/pkg/dmsg" + "github.com/skycoin/dmsg/pkg/dmsghttp" +) + +const ( + nSrvs = 2 + maxSessions = 100 +) + +// Serve a HTTP server over dmsg, and have multiple clients download a document simultaneously. +// Arrange: +// - Typical dmsg environment. +// - Dmsg client that serves a HTTP server. +// Act: +// - Start multiple dmsg clients that download from the HTTP server. +// Assert: +// - Ensure the downloads all succeed. +// - Ensure the downloaded data (of all downloads) is the same as the original document. +func TestDownload(t *testing.T) { + const ( + fileSize = 64 + dlClients = 2 // number of clients to download from HTTP server. + ) + + // Arrange: Prepare file to be downloaded. + srcData := cipher.RandByte(fileSize) + src := makeFile(t, srcData) + + // Arrange: Start dmsg environment. + dc := startDmsgEnv(t, nSrvs, maxSessions) + + // Arrange: Start dmsg client that serves a http server which hosts the src file. + hsAddr := runHTTPSrv(t, dc, src.Name()) + // Arrange: Download results (dst files and client errors). + dsts := make([]*os.File, dlClients) + errs := make([]chan error, dlClients) + for i := range dsts { + dsts[i] = makeFile(t, nil) + errs[i] = make(chan error, 1) + } + + // Act: Download + for i := 0; i < dlClients; i++ { + func(i int) { + log := logging.MustGetLogger(fmt.Sprintf("dl_client_%d", i)) + ctx, cancel := cmdutil.SignalContext(context.Background(), log) + defer cancel() + err := Download(ctx, log, newHTTPClient(t, dc), dsts[i], hsAddr, fileSize) + + errs[i] <- err + close(errs[i]) + }(i) + } + + // Assert: Ensure download finishes without error and downloaded file is the same as src. + for i := 0; i < dlClients; i++ { + assert.NoError(t, <-errs[i]) + + dstData, err := os.ReadFile(dsts[i].Name()) + assert.NoErrorf(t, err, "[%d] failed to read destination file", i) + assert.Equalf(t, srcData, dstData, "[%d] destination file data is not equal", i) + } +} + +func makeFile(t *testing.T, data []byte) *os.File { + f, err := os.CreateTemp(os.TempDir(), "dmsgcurl_test_file_*") + require.NoError(t, err) + + t.Cleanup(func() { + assert.NoError(t, f.Close()) + assert.NoError(t, os.Remove(f.Name())) + }) + + if data != nil { + n, err := f.Write(data) + require.NoError(t, err) + require.Len(t, data, n) + } + + return f +} + +func startDmsgEnv(t *testing.T, nSrvs, maxSessions int) disc.APIClient { + dc := disc.NewMock(0) + + for i := 0; i < nSrvs; i++ { + pk, sk := cipher.GenerateKeyPair() + + conf := dmsg.ServerConfig{ + MaxSessions: maxSessions, + UpdateInterval: 0, + } + srv := dmsg.NewServer(pk, sk, dc, &conf, nil) + srv.SetLogger(logging.MustGetLogger(fmt.Sprintf("server_%d", i))) + + lis, err := nettest.NewLocalListener("tcp") + require.NoError(t, err) + + errCh := make(chan error, 1) + go func() { + errCh <- srv.Serve(lis, "") + close(errCh) + }() + + t.Cleanup(func() { + // listener is also closed when dmsg server is closed + assert.NoError(t, srv.Close()) + assert.NoError(t, <-errCh) + }) + } + + return dc +} + +func runHTTPSrv(t *testing.T, dc disc.APIClient, fName string) string { + pk, sk := cipher.GenerateKeyPair() + httpPath := filepath.Base(fName) + + dmsgC := dmsg.NewClient(pk, sk, dc, nil) + go dmsgC.Serve(context.Background()) + t.Cleanup(func() { assert.NoError(t, dmsgC.Close()) }) + <-dmsgC.Ready() + + r := chi.NewRouter() + r.HandleFunc("/"+httpPath, func(w http.ResponseWriter, r *http.Request) { + http.ServeFile(w, r, fName) + }) + + lis, err := dmsgC.Listen(80) + require.NoError(t, err) + + errCh := make(chan error, 1) + srv := &http.Server{ + ReadTimeout: 3 * time.Second, + WriteTimeout: 3 * time.Second, + IdleTimeout: 30 * time.Second, + ReadHeaderTimeout: 3 * time.Second, + Handler: r, + } + go func() { + errCh <- srv.Serve(lis) + close(errCh) + }() + + t.Cleanup(func() { + assert.NoError(t, lis.Close()) + assert.EqualError(t, <-errCh, dmsg.ErrEntityClosed.Error()) + }) + + return fmt.Sprintf("http://%s/%s", pk.String(), httpPath) +} + +func newHTTPClient(t *testing.T, dc disc.APIClient) *http.Client { + pk, sk := cipher.GenerateKeyPair() + + dmsgC := dmsg.NewClient(pk, sk, dc, nil) + go dmsgC.Serve(context.Background()) + t.Cleanup(func() { assert.NoError(t, dmsgC.Close()) }) + <-dmsgC.Ready() + + log := logging.MustGetLogger("http_client") + ctx, cancel := cmdutil.SignalContext(context.Background(), log) + defer cancel() + return &http.Client{Transport: dmsghttp.MakeHTTPTransport(ctx, dmsgC)} +} diff --git a/pkg/dmsgcurl/flags.go b/pkg/dmsgcurl/flags.go new file mode 100644 index 000000000..9b9591332 --- /dev/null +++ b/pkg/dmsgcurl/flags.go @@ -0,0 +1,76 @@ +// Package dmsgcurl pkg/dmsgcurl/flags.go +package dmsgcurl + +import ( + "encoding/json" + "flag" + + "github.com/skycoin/skywire/deployment" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/buildinfo" +) + +// ExecName contains the execution name. +const ExecName = "dmsgcurl" + +// Version contains the version string. +var Version = buildinfo.Version() + +// FlagGroup represents a group of flags. +type FlagGroup interface { + Name() string + Init(fs *flag.FlagSet) +} + +type startupFlags struct { + Help bool +} + +func (f *startupFlags) Name() string { return "Startup" } + +func (f *startupFlags) Init(fs *flag.FlagSet) { + fs.BoolVar(&f.Help, "help", false, "print this help") + fs.BoolVar(&f.Help, "h", false, "") +} + +type dmsgFlags struct { + Disc string + Sessions int +} + +func (f *dmsgFlags) Name() string { return "Dmsg" } + +func (f *dmsgFlags) Init(fs *flag.FlagSet) { + var envServices deployment.EnvServices + var services deployment.Services + if err := json.Unmarshal(deployment.ServicesJSON, &envServices); err == nil { + if err := json.Unmarshal(envServices.Prod, &services); err == nil { + f.Disc = services.DmsgDiscovery + } + } + fs.StringVar(&f.Disc, "dmsg-disc", f.Disc, "dmsg discovery `URL`") + fs.IntVar(&f.Sessions, "dmsg-sessions", 1, "connect to `NUMBER` of dmsg servers") +} + +type downloadFlags struct { + Output string + Tries int + Wait int +} + +func (f *downloadFlags) Name() string { return "Download" } + +func (f *downloadFlags) Init(fs *flag.FlagSet) { + fs.StringVar(&f.Output, "O", ".", "write documents to `FILE`") + fs.IntVar(&f.Tries, "t", 1, "set number of retries to `NUMBER` (0 unlimits)") + fs.IntVar(&f.Wait, "w", 0, "wait `SECONDS` between retrievals") +} + +type httpFlags struct { + UserAgent string +} + +func (f *httpFlags) Name() string { return "HTTP" } + +func (f *httpFlags) Init(fs *flag.FlagSet) { + fs.StringVar(&f.UserAgent, "U", ExecName+"/"+Version, "identify as `AGENT`") +} diff --git a/pkg/dmsgget/progress_writer.go b/pkg/dmsgcurl/progress_writer.go similarity index 89% rename from pkg/dmsgget/progress_writer.go rename to pkg/dmsgcurl/progress_writer.go index d9415554e..e104337a5 100644 --- a/pkg/dmsgget/progress_writer.go +++ b/pkg/dmsgcurl/progress_writer.go @@ -1,5 +1,5 @@ -// Package dmsgget pkg/dmsgget/progress_writer.go -package dmsgget +// Package dmsgcurl pkg/dmsgcurl/progress_writer.go +package dmsgcurl import ( "fmt" diff --git a/pkg/dmsgget/url.go b/pkg/dmsgcurl/url.go similarity index 92% rename from pkg/dmsgget/url.go rename to pkg/dmsgcurl/url.go index 6a3962c84..84895e9e8 100644 --- a/pkg/dmsgget/url.go +++ b/pkg/dmsgcurl/url.go @@ -1,5 +1,5 @@ -// Package dmsgget pkg/dmsgget/url.go -package dmsgget +// Package dmsgcurl pkg/dmsgcurl/url.go +package dmsgcurl import ( "errors" diff --git a/pkg/dmsgget/dmsgget.go b/pkg/dmsgget/dmsgget.go deleted file mode 100644 index 0193d6dbc..000000000 --- a/pkg/dmsgget/dmsgget.go +++ /dev/null @@ -1,270 +0,0 @@ -// Package dmsgget pkg/dmsgget/dmsgget.go -package dmsgget - -import ( - "context" - "errors" - "flag" - "fmt" - "io" - "net/http" - "os" - "path/filepath" - "time" - - jsoniter "github.com/json-iterator/go" - "github.com/sirupsen/logrus" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/logging" - - "github.com/skycoin/dmsg/pkg/disc" - dmsg "github.com/skycoin/dmsg/pkg/dmsg" - "github.com/skycoin/dmsg/pkg/dmsghttp" -) - -var json = jsoniter.ConfigFastest - -// DmsgGet contains the logic for dmsgget (wget over dmsg). -type DmsgGet struct { - startF startupFlags - dmsgF dmsgFlags - dlF downloadFlags - httpF httpFlags - fs *flag.FlagSet -} - -// New creates a new DmsgGet instance. -func New(fs *flag.FlagSet) *DmsgGet { - dg := &DmsgGet{fs: fs} - - for _, fg := range dg.flagGroups() { - fg.Init(fs) - } - - w := fs.Output() - flag.Usage = func() { - _, _ = fmt.Fprintf(w, "Skycoin %s %s, wget over dmsg.\n", ExecName, Version) - _, _ = fmt.Fprintf(w, "Usage: %s [OPTION]... [URL]\n\n", ExecName) - flag.PrintDefaults() - _, _ = fmt.Fprintln(w, "") - } - - return dg -} - -// String implements io.Stringer -func (dg *DmsgGet) String() string { - m := make(map[string]interface{}) - for _, fg := range dg.flagGroups() { - m[fg.Name()] = fg - } - j, err := json.Marshal(m) - if err != nil { - panic(err) - } - return string(j) -} - -func (dg *DmsgGet) flagGroups() []FlagGroup { - return []FlagGroup{&dg.startF, &dg.dmsgF, &dg.dlF, &dg.httpF} -} - -// Run runs the download logic. -func (dg *DmsgGet) Run(ctx context.Context, log *logging.Logger, skStr string, args []string) (err error) { - if log == nil { - log = logging.MustGetLogger("dmsgget") - } - - if dg.startF.Help { - dg.fs.Usage() - return nil - } - - pk, sk, err := parseKeyPair(skStr) - if err != nil { - return fmt.Errorf("failed to parse provided key pair: %w", err) - } - - u, err := parseURL(args) - if err != nil { - return fmt.Errorf("failed to parse provided URL: %w", err) - } - - file, err := parseOutputFile(dg.dlF.Output, u.URL.Path) - if err != nil { - return fmt.Errorf("failed to prepare output file: %w", err) - } - defer func() { - if fErr := file.Close(); fErr != nil { - log.WithError(fErr).Warn("Failed to close output file.") - } - if err != nil { - if rErr := os.RemoveAll(file.Name()); rErr != nil { - log.WithError(rErr).Warn("Failed to remove output file.") - } - } - }() - - dmsgC, closeDmsg, err := dg.StartDmsg(ctx, log, pk, sk) - if err != nil { - return fmt.Errorf("failed to start dmsg: %w", err) - } - defer closeDmsg() - - httpC := http.Client{Transport: dmsghttp.MakeHTTPTransport(ctx, dmsgC)} - - for i := 0; i < dg.dlF.Tries; i++ { - log.Infof("Download attempt %d/%d ...", i, dg.dlF.Tries) - - if _, err := file.Seek(0, 0); err != nil { - return fmt.Errorf("failed to reset file: %w", err) - } - - if err := Download(ctx, log, &httpC, file, u.URL.String(), 0); err != nil { - log.WithError(err).Error() - select { - case <-ctx.Done(): - return ctx.Err() - case <-time.After(time.Duration(dg.dlF.Wait) * time.Second): - continue - } - } - - // download successful. - return nil - } - - return errors.New("all download attempts failed") -} - -func parseKeyPair(skStr string) (pk cipher.PubKey, sk cipher.SecKey, err error) { - if skStr == "" { - pk, sk = cipher.GenerateKeyPair() - return - } - - if err = sk.Set(skStr); err != nil { - return - } - - pk, err = sk.PubKey() - return -} - -func parseURL(args []string) (*URL, error) { - if len(args) == 0 { - return nil, ErrNoURLs - } - - if len(args) > 1 { - return nil, ErrMultipleURLsNotSupported - } - - var out URL - if err := out.Fill(args[0]); err != nil { - return nil, fmt.Errorf("provided URL is invalid: %w", err) - } - - return &out, nil -} - -func parseOutputFile(name string, urlPath string) (*os.File, error) { - stat, statErr := os.Stat(name) - if statErr != nil { - if os.IsNotExist(statErr) { - f, err := os.Create(name) //nolint - if err != nil { - return nil, err - } - return f, nil - } - return nil, statErr - } - - if stat.IsDir() { - f, err := os.Create(filepath.Join(name, urlPath)) //nolint - if err != nil { - return nil, err - } - return f, nil - } - - return nil, os.ErrExist -} - -// StartDmsg create dsmg client instance -func (dg *DmsgGet) StartDmsg(ctx context.Context, log *logging.Logger, pk cipher.PubKey, sk cipher.SecKey) (dmsgC *dmsg.Client, stop func(), err error) { - dmsgC = dmsg.NewClient(pk, sk, disc.NewHTTP(dg.dmsgF.Disc, &http.Client{}, log), &dmsg.Config{MinSessions: dg.dmsgF.Sessions}) - go dmsgC.Serve(context.Background()) - - stop = func() { - err := dmsgC.Close() - log.WithError(err).Info("Disconnected from dmsg network.") - } - - log.WithField("public_key", pk.String()).WithField("dmsg_disc", dg.dmsgF.Disc). - Info("Connecting to dmsg network...") - - select { - case <-ctx.Done(): - stop() - return nil, nil, ctx.Err() - - case <-dmsgC.Ready(): - log.Info("Dmsg network ready.") - return dmsgC, stop, nil - } -} - -// Download downloads a file from the given URL into 'w'. -func Download(ctx context.Context, log logrus.FieldLogger, httpC *http.Client, w io.Writer, urlStr string, maxSize int64) error { - req, err := http.NewRequest(http.MethodGet, urlStr, nil) - if err != nil { - log.WithError(err).Fatal("Failed to formulate HTTP request.") - } - resp, err := httpC.Do(req) - if err != nil { - return fmt.Errorf("failed to connect to HTTP server: %w", err) - } - if maxSize > 0 { - if resp.ContentLength > maxSize*1024 { - return fmt.Errorf("requested file size is more than allowed size: %d KB > %d KB", (resp.ContentLength / 1024), maxSize) - } - } - n, err := CancellableCopy(ctx, w, resp.Body, resp.ContentLength) - if err != nil { - return fmt.Errorf("download failed at %d/%dB: %w", n, resp.ContentLength, err) - } - defer func() { - if err := resp.Body.Close(); err != nil { - log.WithError(err).Warn("HTTP Response body closed with non-nil error.") - } - }() - - return nil -} - -type readerFunc func(p []byte) (n int, err error) - -func (rf readerFunc) Read(p []byte) (n int, err error) { return rf(p) } - -// CancellableCopy will call the Reader and Writer interface multiple time, in order -// to copy by chunk (avoiding loading the whole file in memory). -func CancellableCopy(ctx context.Context, w io.Writer, body io.ReadCloser, length int64) (int64, error) { - - n, err := io.Copy(io.MultiWriter(w, &ProgressWriter{Total: length}), readerFunc(func(p []byte) (int, error) { - - // golang non-blocking channel: https://gobyexample.com/non-blocking-channel-operations - select { - - // if context has been canceled - case <-ctx.Done(): - // stop process and propagate "Download Canceled" error - return 0, errors.New("Download Canceled") - default: - // otherwise just run default io.Reader implementation - return body.Read(p) - } - })) - return n, err -} diff --git a/pkg/dmsgget/dmsgget_test.go b/pkg/dmsgget/dmsgget_test.go deleted file mode 100644 index c194e0022..000000000 --- a/pkg/dmsgget/dmsgget_test.go +++ /dev/null @@ -1,186 +0,0 @@ -// Package dmsgget pkg/dmsgget/dmsgget_test.go -package dmsgget - -import ( - "context" - "fmt" - "net/http" - "os" - "path/filepath" - "testing" - "time" - - "github.com/go-chi/chi/v5" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/cmdutil" - "github.com/skycoin/skywire-utilities/pkg/logging" - "github.com/stretchr/testify/assert" - "github.com/stretchr/testify/require" - "golang.org/x/net/nettest" - - "github.com/skycoin/dmsg/pkg/disc" - dmsg "github.com/skycoin/dmsg/pkg/dmsg" - "github.com/skycoin/dmsg/pkg/dmsghttp" -) - -const ( - nSrvs = 2 - maxSessions = 100 -) - -// Serve a HTTP server over dmsg, and have multiple clients download a document simultaneously. -// Arrange: -// - Typical dmsg environment. -// - Dmsg client that serves a HTTP server. -// Act: -// - Start multiple dmsg clients that download from the HTTP server. -// Assert: -// - Ensure the downloads all succeed. -// - Ensure the downloaded data (of all downloads) is the same as the original document. -func TestDownload(t *testing.T) { - const ( - fileSize = 64 - dlClients = 2 // number of clients to download from HTTP server. - ) - - // Arrange: Prepare file to be downloaded. - srcData := cipher.RandByte(fileSize) - src := makeFile(t, srcData) - - // Arrange: Start dmsg environment. - dc := startDmsgEnv(t, nSrvs, maxSessions) - - // Arrange: Start dmsg client that serves a http server which hosts the src file. - hsAddr := runHTTPSrv(t, dc, src.Name()) - // Arrange: Download results (dst files and client errors). - dsts := make([]*os.File, dlClients) - errs := make([]chan error, dlClients) - for i := range dsts { - dsts[i] = makeFile(t, nil) - errs[i] = make(chan error, 1) - } - - // Act: Download - for i := 0; i < dlClients; i++ { - func(i int) { - log := logging.MustGetLogger(fmt.Sprintf("dl_client_%d", i)) - ctx, cancel := cmdutil.SignalContext(context.Background(), log) - defer cancel() - err := Download(ctx, log, newHTTPClient(t, dc), dsts[i], hsAddr, fileSize) - - errs[i] <- err - close(errs[i]) - }(i) - } - - // Assert: Ensure download finishes without error and downloaded file is the same as src. - for i := 0; i < dlClients; i++ { - assert.NoError(t, <-errs[i]) - - dstData, err := os.ReadFile(dsts[i].Name()) - assert.NoErrorf(t, err, "[%d] failed to read destination file", i) - assert.Equalf(t, srcData, dstData, "[%d] destination file data is not equal", i) - } -} - -func makeFile(t *testing.T, data []byte) *os.File { - f, err := os.CreateTemp(os.TempDir(), "dmsgget_test_file_*") - require.NoError(t, err) - - t.Cleanup(func() { - assert.NoError(t, f.Close()) - assert.NoError(t, os.Remove(f.Name())) - }) - - if data != nil { - n, err := f.Write(data) - require.NoError(t, err) - require.Len(t, data, n) - } - - return f -} - -func startDmsgEnv(t *testing.T, nSrvs, maxSessions int) disc.APIClient { - dc := disc.NewMock(0) - - for i := 0; i < nSrvs; i++ { - pk, sk := cipher.GenerateKeyPair() - - conf := dmsg.ServerConfig{ - MaxSessions: maxSessions, - UpdateInterval: 0, - } - srv := dmsg.NewServer(pk, sk, dc, &conf, nil) - srv.SetLogger(logging.MustGetLogger(fmt.Sprintf("server_%d", i))) - - lis, err := nettest.NewLocalListener("tcp") - require.NoError(t, err) - - errCh := make(chan error, 1) - go func() { - errCh <- srv.Serve(lis, "") - close(errCh) - }() - - t.Cleanup(func() { - // listener is also closed when dmsg server is closed - assert.NoError(t, srv.Close()) - assert.NoError(t, <-errCh) - }) - } - - return dc -} - -func runHTTPSrv(t *testing.T, dc disc.APIClient, fName string) string { - pk, sk := cipher.GenerateKeyPair() - httpPath := filepath.Base(fName) - - dmsgC := dmsg.NewClient(pk, sk, dc, nil) - go dmsgC.Serve(context.Background()) - t.Cleanup(func() { assert.NoError(t, dmsgC.Close()) }) - <-dmsgC.Ready() - - r := chi.NewRouter() - r.HandleFunc("/"+httpPath, func(w http.ResponseWriter, r *http.Request) { - http.ServeFile(w, r, fName) - }) - - lis, err := dmsgC.Listen(80) - require.NoError(t, err) - - errCh := make(chan error, 1) - srv := &http.Server{ - ReadTimeout: 3 * time.Second, - WriteTimeout: 3 * time.Second, - IdleTimeout: 30 * time.Second, - ReadHeaderTimeout: 3 * time.Second, - Handler: r, - } - go func() { - errCh <- srv.Serve(lis) - close(errCh) - }() - - t.Cleanup(func() { - assert.NoError(t, lis.Close()) - assert.EqualError(t, <-errCh, dmsg.ErrEntityClosed.Error()) - }) - - return fmt.Sprintf("http://%s/%s", pk.String(), httpPath) -} - -func newHTTPClient(t *testing.T, dc disc.APIClient) *http.Client { - pk, sk := cipher.GenerateKeyPair() - - dmsgC := dmsg.NewClient(pk, sk, dc, nil) - go dmsgC.Serve(context.Background()) - t.Cleanup(func() { assert.NoError(t, dmsgC.Close()) }) - <-dmsgC.Ready() - - log := logging.MustGetLogger("http_client") - ctx, cancel := cmdutil.SignalContext(context.Background(), log) - defer cancel() - return &http.Client{Transport: dmsghttp.MakeHTTPTransport(ctx, dmsgC)} -} diff --git a/pkg/dmsgget/flags.go b/pkg/dmsgget/flags.go deleted file mode 100644 index 22c5fae54..000000000 --- a/pkg/dmsgget/flags.go +++ /dev/null @@ -1,67 +0,0 @@ -// Package dmsgget pkg/dmsgget/flags.go -package dmsgget - -import ( - "flag" - - "github.com/skycoin/skywire-utilities/pkg/buildinfo" -) - -// ExecName contains the execution name. -const ExecName = "dmsgget" - -// Version contains the version string. -var Version = buildinfo.Version() - -// FlagGroup represents a group of flags. -type FlagGroup interface { - Name() string - Init(fs *flag.FlagSet) -} - -type startupFlags struct { - Help bool -} - -func (f *startupFlags) Name() string { return "Startup" } - -func (f *startupFlags) Init(fs *flag.FlagSet) { - fs.BoolVar(&f.Help, "help", false, "print this help") - fs.BoolVar(&f.Help, "h", false, "") -} - -type dmsgFlags struct { - Disc string - Sessions int -} - -func (f *dmsgFlags) Name() string { return "Dmsg" } - -func (f *dmsgFlags) Init(fs *flag.FlagSet) { - fs.StringVar(&f.Disc, "dmsg-disc", "http://dmsgd.skywire.skycoin.com", "dmsg discovery `URL`") - fs.IntVar(&f.Sessions, "dmsg-sessions", 1, "connect to `NUMBER` of dmsg servers") -} - -type downloadFlags struct { - Output string - Tries int - Wait int -} - -func (f *downloadFlags) Name() string { return "Download" } - -func (f *downloadFlags) Init(fs *flag.FlagSet) { - fs.StringVar(&f.Output, "O", ".", "write documents to `FILE`") - fs.IntVar(&f.Tries, "t", 1, "set number of retries to `NUMBER` (0 unlimits)") - fs.IntVar(&f.Wait, "w", 0, "wait `SECONDS` between retrievals") -} - -type httpFlags struct { - UserAgent string -} - -func (f *httpFlags) Name() string { return "HTTP" } - -func (f *httpFlags) Init(fs *flag.FlagSet) { - fs.StringVar(&f.UserAgent, "U", ExecName+"/"+Version, "identify as `AGENT`") -} diff --git a/pkg/dmsghttp/examples_test.go b/pkg/dmsghttp/examples_test.go index df9493137..a4d7b5e17 100644 --- a/pkg/dmsghttp/examples_test.go +++ b/pkg/dmsghttp/examples_test.go @@ -9,9 +9,9 @@ import ( "github.com/go-chi/chi/v5" "github.com/sirupsen/logrus" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/cmdutil" - "github.com/skycoin/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cmdutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" "golang.org/x/net/nettest" "github.com/skycoin/dmsg/pkg/disc" @@ -74,7 +74,8 @@ func ExampleMakeHTTPTransport() { }() r := chi.NewRouter() - r.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { + // r.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { + r.HandleFunc("/", func(w http.ResponseWriter, _ *http.Request) { _, _ = w.Write([]byte("

Hello World!

")) //nolint:errcheck }) go func() { _ = http.Serve(lis, r) }() //nolint diff --git a/pkg/dmsghttp/http.go b/pkg/dmsghttp/http.go index d29d1e39d..40f93f2c7 100644 --- a/pkg/dmsghttp/http.go +++ b/pkg/dmsghttp/http.go @@ -7,16 +7,16 @@ import ( "net/http" "time" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" "github.com/skycoin/dmsg/pkg/disc" dmsg "github.com/skycoin/dmsg/pkg/dmsg" ) // ListenAndServe serves http over dmsg -func ListenAndServe(ctx context.Context, pk cipher.PubKey, sk cipher.SecKey, a http.Handler, dClient disc.APIClient, dmsgPort uint16, - config *dmsg.Config, dmsgC *dmsg.Client, log *logging.Logger) error { +func ListenAndServe(ctx context.Context, _ cipher.SecKey, a http.Handler, _ disc.APIClient, dmsgPort uint16, + dmsgC *dmsg.Client, log *logging.Logger) error { lis, err := dmsgC.Listen(dmsgPort) if err != nil { diff --git a/pkg/dmsghttp/http_test.go b/pkg/dmsghttp/http_test.go index d098c7873..c07e2a7ce 100644 --- a/pkg/dmsghttp/http_test.go +++ b/pkg/dmsghttp/http_test.go @@ -10,7 +10,7 @@ import ( "time" "github.com/go-chi/chi/v5" - "github.com/skycoin/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" "github.com/stretchr/testify/assert" dmsg "github.com/skycoin/dmsg/pkg/dmsg" @@ -86,7 +86,7 @@ func (r httpClientResult) Assert(t *testing.T, i int) { func startHTTPServer(t *testing.T, results chan httpServerResult, lis net.Listener) { r := chi.NewRouter() - r.HandleFunc(endpointHTML, func(w http.ResponseWriter, r *http.Request) { + r.HandleFunc(endpointHTML, func(w http.ResponseWriter, _ *http.Request) { result := httpServerResult{Path: endpointHTML} n, err := w.Write(endpointHTMLData) diff --git a/pkg/dmsghttp/http_transport.go b/pkg/dmsghttp/http_transport.go index 5b911c238..873a58b93 100644 --- a/pkg/dmsghttp/http_transport.go +++ b/pkg/dmsghttp/http_transport.go @@ -4,11 +4,9 @@ package dmsghttp import ( "bufio" "context" - "errors" "fmt" "io" "net/http" - "time" dmsg "github.com/skycoin/dmsg/pkg/dmsg" ) @@ -45,7 +43,15 @@ func (t HTTPTransport) RoundTrip(req *http.Request) (*http.Response, error) { if err != nil { return nil, err } - if err := req.Write(stream); err != nil { + + // Ensure stream is closed if we return an error before wrapping the response body + defer func() { + if err != nil { + _ = stream.Close() //nolint:errcheck // best-effort cleanup on error path + } + }() + + if err = req.Write(stream); err != nil { return nil, err } bufR := bufio.NewReader(stream) @@ -54,34 +60,31 @@ func (t HTTPTransport) RoundTrip(req *http.Request) (*http.Response, error) { return nil, err } - defer func() { - go closeStream(t.ctx, resp, stream) - }() + // Wrap resp.Body to ensure the stream is closed when the body is closed + resp.Body = &wrappedBody{ + ReadCloser: resp.Body, + stream: stream, + } return resp, nil } -func closeStream(ctx context.Context, resp *http.Response, stream *dmsg.Stream) { - ticker := time.NewTicker(time.Second) - defer ticker.Stop() +// wrappedBody ensures that the DMSG stream is closed when the HTTP response body is closed. +type wrappedBody struct { + io.ReadCloser + stream *dmsg.Stream +} - for { - select { - case <-ctx.Done(): - return - case <-ticker.C: - _, err := resp.Body.Read(nil) - log := stream.Logger() - // If error is not nil and is equal to ErrBodyReadAfterClose or EOF - // then it means that the body has been closed so we close the stream - if err != nil && (errors.Is(err, http.ErrBodyReadAfterClose) || errors.Is(err, io.EOF)) { - err := stream.Close() - if err != nil { - log.Warnf("Error closing stream: %v", err) - } - return - } - } - } +func (wb *wrappedBody) Close() error { + // Drain the response body up to a limit (e.g., 512KB). + const maxDrainBytes = 512 * 1024 + _, _ = io.CopyN(io.Discard, wb.ReadCloser, maxDrainBytes) //nolint + + err1 := wb.ReadCloser.Close() + err2 := wb.stream.Close() + if err1 != nil { + return err1 + } + return err2 } diff --git a/pkg/dmsghttp/http_transport_test.go b/pkg/dmsghttp/http_transport_test.go index a7edcd3a6..92715be03 100644 --- a/pkg/dmsghttp/http_transport_test.go +++ b/pkg/dmsghttp/http_transport_test.go @@ -6,11 +6,12 @@ import ( "fmt" "net/http" "testing" + "time" "github.com/sirupsen/logrus" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/cmdutil" - "github.com/skycoin/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cmdutil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" "golang.org/x/net/nettest" @@ -66,9 +67,19 @@ func TestHTTPTransport_RoundTrip(t *testing.T) { ctx, cancel := cmdutil.SignalContext(context.Background(), log) defer cancel() // Arrange: create http clients (in which each http client has an underlying dmsg client). - httpC1 := http.Client{Transport: MakeHTTPTransport(ctx, newDmsgClient(t, dc, minSessions, "client1"))} - httpC2 := http.Client{Transport: MakeHTTPTransport(ctx, newDmsgClient(t, dc, minSessions, "client2"))} - httpC3 := http.Client{Transport: MakeHTTPTransport(ctx, newDmsgClient(t, dc, minSessions, "client3"))} + // Configure timeouts to prevent hanging on errors. + httpC1 := http.Client{ + Transport: MakeHTTPTransport(ctx, newDmsgClient(t, dc, minSessions, "client1")), + Timeout: 10 * time.Second, + } + httpC2 := http.Client{ + Transport: MakeHTTPTransport(ctx, newDmsgClient(t, dc, minSessions, "client2")), + Timeout: 10 * time.Second, + } + httpC3 := http.Client{ + Transport: MakeHTTPTransport(ctx, newDmsgClient(t, dc, minSessions, "client3")), + Timeout: 10 * time.Second, + } // Act: http clients send requests concurrently. // - client1 sends "/index.html" requests. diff --git a/pkg/dmsghttp/util.go b/pkg/dmsghttp/util.go index fb6353289..a9f813169 100644 --- a/pkg/dmsghttp/util.go +++ b/pkg/dmsghttp/util.go @@ -6,14 +6,14 @@ import ( "net/http" "time" - "github.com/skycoin/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" "github.com/skycoin/dmsg/pkg/disc" "github.com/skycoin/dmsg/pkg/dmsg" ) // GetServers is used to get all the available servers from the dmsg-discovery. -func GetServers(ctx context.Context, dmsgDisc string, log *logging.Logger) (entries []*disc.Entry) { +func GetServers(ctx context.Context, dmsgDisc string, dmsgServerType string, log *logging.Logger) (entries []*disc.Entry) { dmsgclient := disc.NewHTTP(dmsgDisc, &http.Client{}, log) ticker := time.NewTicker(time.Second * 10) defer ticker.Stop() @@ -22,6 +22,15 @@ func GetServers(ctx context.Context, dmsgDisc string, log *logging.Logger) (entr if err != nil { log.WithError(err).Fatal("Error getting dmsg-servers.") } + if dmsgServerType != "" { + var filteredServers []*disc.Entry + for _, server := range servers { + if server.Server.ServerType == dmsgServerType { + filteredServers = append(filteredServers, server) + } + } + servers = filteredServers + } if len(servers) > 0 { return servers } @@ -30,20 +39,20 @@ func GetServers(ctx context.Context, dmsgDisc string, log *logging.Logger) (entr case <-ctx.Done(): return []*disc.Entry{} case <-ticker.C: - GetServers(ctx, dmsgDisc, log) + GetServers(ctx, dmsgDisc, dmsgServerType, log) } } } // UpdateServers is used to update the servers in the direct client. -func UpdateServers(ctx context.Context, dClient disc.APIClient, dmsgDisc string, dmsgC *dmsg.Client, log *logging.Logger) (entries []*disc.Entry) { +func UpdateServers(ctx context.Context, dClient disc.APIClient, dmsgDisc string, dmsgC *dmsg.Client, dmsgServerType string, log *logging.Logger) (entries []*disc.Entry) { dmsgclient := disc.NewHTTP(dmsgDisc, &http.Client{}, log) ticker := time.NewTicker(time.Minute * 10) defer ticker.Stop() for { select { case <-ctx.Done(): - return + return entries case <-ticker.C: servers, err := dmsgclient.AllServers(ctx) if err != nil { @@ -51,6 +60,15 @@ func UpdateServers(ctx context.Context, dClient disc.APIClient, dmsgDisc string, break } log.Debugf("Servers found : %v.", len(servers)) + if dmsgServerType != "" { + var filteredServers []*disc.Entry + for _, server := range servers { + if server.Server.ServerType == dmsgServerType { + filteredServers = append(filteredServers, server) + } + } + servers = filteredServers + } for _, server := range servers { dClient.PostEntry(ctx, server) //nolint err := dmsgC.EnsureSession(ctx, server) diff --git a/pkg/dmsgpty/cli.go b/pkg/dmsgpty/cli.go index eb9ca0225..cba702228 100644 --- a/pkg/dmsgpty/cli.go +++ b/pkg/dmsgpty/cli.go @@ -12,8 +12,8 @@ import ( "syscall" "github.com/sirupsen/logrus" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" ) // CLI connects with and has ownership over a dmsgpty.Host. diff --git a/pkg/dmsgpty/cli_unix.go b/pkg/dmsgpty/cli_unix.go index d4b201578..bd80167a4 100644 --- a/pkg/dmsgpty/cli_unix.go +++ b/pkg/dmsgpty/cli_unix.go @@ -47,7 +47,7 @@ func getPtySize(t *os.File) (*pty.Winsize, error) { // prepareStdin sets stdin to raw mode and provides a function to restore the original state. func (cli *CLI) prepareStdin() (restore func(), err error) { var oldState *term.State - if oldState, err = term.MakeRaw(int(os.Stdin.Fd())); err != nil { + if oldState, err = term.MakeRaw(int(os.Stdin.Fd())); err != nil { //nolint cli.Log. WithError(err). Warn("Failed to set stdin to raw mode.") @@ -55,7 +55,7 @@ func (cli *CLI) prepareStdin() (restore func(), err error) { } restore = func() { // Attempt to restore state. - if err = term.Restore(int(os.Stdin.Fd()), oldState); err != nil { + if err = term.Restore(int(os.Stdin.Fd()), oldState); err != nil { //nolint cli.Log. WithError(err). Error("Failed to restore original stdin state.") diff --git a/pkg/dmsgpty/conf.go b/pkg/dmsgpty/conf.go index 1fda2d47e..61a1a3c58 100644 --- a/pkg/dmsgpty/conf.go +++ b/pkg/dmsgpty/conf.go @@ -26,7 +26,7 @@ type Config struct { // DefaultConfig is used to populate the config struct with its default values func DefaultConfig() Config { return Config{ - DmsgDisc: dmsg.DefaultDiscAddr, + DmsgDisc: dmsg.DiscAddr(false), DmsgSessions: dmsg.DefaultMinSessions, DmsgPort: DefaultPort, CLINet: DefaultCLINet, diff --git a/pkg/dmsgpty/host.go b/pkg/dmsgpty/host.go index 6784ae2f6..7e583a840 100644 --- a/pkg/dmsgpty/host.go +++ b/pkg/dmsgpty/host.go @@ -13,8 +13,8 @@ import ( "sync/atomic" "github.com/sirupsen/logrus" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" dmsg "github.com/skycoin/dmsg/pkg/dmsg" ) @@ -210,13 +210,15 @@ func dmsgEndpoints(h *Host) (mux hostMux) { } func handleWhitelist(h *Host) handleFunc { - return func(ctx context.Context, uri *url.URL, rpcS *rpc.Server) error { + // return func(ctx context.Context, uri *url.URL, rpcS *rpc.Server) error { + return func(_ context.Context, _ *url.URL, rpcS *rpc.Server) error { return rpcS.RegisterName(WhitelistRPCName, NewWhitelistGateway(h.wl)) } } func handlePty(h *Host) handleFunc { - return func(ctx context.Context, uri *url.URL, rpcS *rpc.Server) error { + // return func(ctx context.Context, uri *url.URL, rpcS *rpc.Server) error { + return func(ctx context.Context, _ *url.URL, rpcS *rpc.Server) error { pty := NewPty() go func() { <-ctx.Done() diff --git a/pkg/dmsgpty/host_test.go b/pkg/dmsgpty/host_test.go index fd003f04f..24954fe31 100644 --- a/pkg/dmsgpty/host_test.go +++ b/pkg/dmsgpty/host_test.go @@ -10,8 +10,8 @@ import ( "runtime" "testing" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" "github.com/stretchr/testify/require" "golang.org/x/net/nettest" diff --git a/pkg/dmsgpty/pty_client.go b/pkg/dmsgpty/pty_client.go index d6e10063b..058c757a3 100644 --- a/pkg/dmsgpty/pty_client.go +++ b/pkg/dmsgpty/pty_client.go @@ -8,8 +8,8 @@ import ( "sync" "github.com/sirupsen/logrus" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" ) // PtyClient represents the client end of a dmsgpty session. diff --git a/pkg/dmsgpty/pty_gateway_windows.go b/pkg/dmsgpty/pty_gateway_windows.go index 5126b8d3d..92c5d2919 100644 --- a/pkg/dmsgpty/pty_gateway_windows.go +++ b/pkg/dmsgpty/pty_gateway_windows.go @@ -16,7 +16,9 @@ func NewWinSize(w *windows.Coord) (*WinSize, error) { return nil, errors.New("pty size is nil") } return &WinSize{ + //nolint:gosec // Safe conversion: window coordinates are always positive X: uint16(w.X), + //nolint:gosec // Safe conversion: window coordinates are always positive Y: uint16(w.Y), }, nil } @@ -24,7 +26,9 @@ func NewWinSize(w *windows.Coord) (*WinSize, error) { // PtySize returns *windows.Coord object func (w *WinSize) PtySize() *windows.Coord { return &windows.Coord{ + //nolint:gosec // Safe conversion: WinSize values fit in int16 range X: int16(w.X), + //nolint:gosec // Safe conversion: WinSize values fit in int16 range Y: int16(w.Y), } } diff --git a/pkg/dmsgpty/pty_windows.go b/pkg/dmsgpty/pty_windows.go index 06fa481b7..bad035f91 100644 --- a/pkg/dmsgpty/pty_windows.go +++ b/pkg/dmsgpty/pty_windows.go @@ -88,6 +88,7 @@ func (s *Pty) Start(name string, args []string, size *WinSize) error { } pty, err := conpty.New( + //nolint:gosec // Safe conversion: WinSize values fit in int16 range int16(size.X), int16(size.Y), ) if err != nil { diff --git a/pkg/dmsgpty/ui.go b/pkg/dmsgpty/ui.go index 5aa52afe8..42a0b1b63 100644 --- a/pkg/dmsgpty/ui.go +++ b/pkg/dmsgpty/ui.go @@ -12,10 +12,10 @@ import ( "sync/atomic" "time" + "github.com/coder/websocket" "github.com/sirupsen/logrus" - "github.com/skycoin/skywire-utilities/pkg/httputil" - "github.com/skycoin/skywire-utilities/pkg/logging" - "nhooyr.io/websocket" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/httputil" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" ) const ( diff --git a/pkg/dmsgpty/ui_windows.go b/pkg/dmsgpty/ui_windows.go index 915f553e3..2cb3d978f 100644 --- a/pkg/dmsgpty/ui_windows.go +++ b/pkg/dmsgpty/ui_windows.go @@ -4,7 +4,9 @@ // Package dmsgpty pkg/dmsgpty/ui_windows.go package dmsgpty -import "golang.org/x/sys/windows" +import ( + "golang.org/x/sys/windows" +) func (ui *UI) uiStartSize(ptyC *PtyClient) error { ws, err := NewWinSize(&windows.Coord{ diff --git a/pkg/dmsgpty/whitelist.go b/pkg/dmsgpty/whitelist.go index a944d23b3..a8bcfb4fb 100644 --- a/pkg/dmsgpty/whitelist.go +++ b/pkg/dmsgpty/whitelist.go @@ -12,7 +12,7 @@ import ( "sync" jsoniter "github.com/json-iterator/go" - "github.com/skycoin/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" ) var ( diff --git a/pkg/dmsgpty/whitelist_client.go b/pkg/dmsgpty/whitelist_client.go index 7a7382e04..47b12416a 100644 --- a/pkg/dmsgpty/whitelist_client.go +++ b/pkg/dmsgpty/whitelist_client.go @@ -5,7 +5,7 @@ import ( "io" "net/rpc" - "github.com/skycoin/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" ) // WhitelistClient interacts with a whitelist's API. diff --git a/pkg/dmsgpty/whitelist_gateway.go b/pkg/dmsgpty/whitelist_gateway.go index 0bd735466..b3c5527c2 100644 --- a/pkg/dmsgpty/whitelist_gateway.go +++ b/pkg/dmsgpty/whitelist_gateway.go @@ -2,7 +2,7 @@ package dmsgpty import ( - "github.com/skycoin/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" ) // WhitelistGateway is the configuration gateway. diff --git a/pkg/dmsgserver/config.go b/pkg/dmsgserver/config.go index 98b3f9890..e6daff4bf 100644 --- a/pkg/dmsgserver/config.go +++ b/pkg/dmsgserver/config.go @@ -7,20 +7,25 @@ import ( "time" "github.com/skycoin/skycoin/src/util/logging" - "github.com/skycoin/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + + "github.com/skycoin/dmsg/pkg/dmsg" ) const ( - defaultDiscoveryURL = "http://dmsgd.skywire.skycoin.com" defaultPublicAddress = "127.0.0.1:8081" defaultLocalAddress = ":8081" defaultHTTPAddress = ":8082" + // DefaultConfigPath default path of config file DefaultConfigPath = "config.json" - // DefaultDiscoverURLTest default URL for discovery in test env - DefaultDiscoverURLTest = "http://dmsgd.skywire.dev" ) +var defaultDiscoveryURL = dmsg.DiscAddr(false) + +// DefaultDiscoverURLTest default URL for discovery in test env +var DefaultDiscoverURLTest = dmsg.DiscAddr(true) + // Config is structure of config file type Config struct { Path string `json:"-"` diff --git a/pkg/dmsgtest/dmsg_client_test.go b/pkg/dmsgtest/dmsg_client_test.go index ecb2fc7fd..4c47568ac 100644 --- a/pkg/dmsgtest/dmsg_client_test.go +++ b/pkg/dmsgtest/dmsg_client_test.go @@ -11,8 +11,8 @@ import ( "time" "github.com/sirupsen/logrus" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" diff --git a/pkg/dmsgtest/env.go b/pkg/dmsgtest/env.go index 9a294ea84..5f4cf2343 100644 --- a/pkg/dmsgtest/env.go +++ b/pkg/dmsgtest/env.go @@ -8,7 +8,7 @@ import ( "testing" "time" - "github.com/skycoin/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" "golang.org/x/net/nettest" "github.com/skycoin/dmsg/pkg/disc" diff --git a/pkg/ioutil/logging.go b/pkg/ioutil/logging.go index c6235e46f..36c4ce399 100644 --- a/pkg/ioutil/logging.go +++ b/pkg/ioutil/logging.go @@ -2,7 +2,7 @@ package ioutil import ( - "github.com/skycoin/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" ) var log = logging.MustGetLogger("ioutil") diff --git a/pkg/noise/dh.go b/pkg/noise/dh.go index 28157d81a..e627ae68a 100644 --- a/pkg/noise/dh.go +++ b/pkg/noise/dh.go @@ -22,9 +22,24 @@ func (Secp256k1) GenerateKeypair(_ io.Reader) (noise.DHKey, error) { // DH helps to implement `noise.DHFunc`. func (Secp256k1) DH(sk, pk []byte) []byte { - return append( - cipher.MustECDH(cipher.MustNewPubKey(pk), cipher.MustNewSecKey(sk)), - byte(0)) + // Use non-panic versions to handle invalid keys gracefully + pubKey, err := cipher.NewPubKey(pk) + if err != nil { + // Return empty key on error to prevent panic + // The handshake will fail with this invalid key + return make([]byte, 33) + } + secKey, err := cipher.NewSecKey(sk) + if err != nil { + // Return empty key on error to prevent panic + return make([]byte, 33) + } + ecdh, err := cipher.ECDH(pubKey, secKey) + if err != nil { + // Return empty key on error to prevent panic + return make([]byte, 33) + } + return append(ecdh, byte(0)) } // DHLen helps to implement `noise.DHFunc`. diff --git a/pkg/noise/net.go b/pkg/noise/net.go index 87f2561c6..4080fa0e1 100644 --- a/pkg/noise/net.go +++ b/pkg/noise/net.go @@ -9,7 +9,7 @@ import ( "time" "github.com/skycoin/noise" - "github.com/skycoin/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" ) var ( diff --git a/pkg/noise/net_test.go b/pkg/noise/net_test.go index 95fdc48ab..596c84206 100644 --- a/pkg/noise/net_test.go +++ b/pkg/noise/net_test.go @@ -13,7 +13,7 @@ import ( "time" "github.com/skycoin/noise" - "github.com/skycoin/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" "github.com/stretchr/testify/require" "golang.org/x/net/nettest" ) @@ -297,9 +297,10 @@ func TestConn(t *testing.T) { require.Equal(t, writeB, readB) } - rand.Seed(time.Now().UnixNano()) + r := rand.New(rand.NewSource(time.Now().UnixNano())) //nolint + for i := 0; i < 10; i++ { - n := rand.Intn(10000000) // nolint:gosec + n := r.Intn(10000000) // nolint:gosec t.Run(fmt.Sprintf("%dBytes", n), func(t *testing.T) { do(t, n) }) diff --git a/pkg/noise/noise.go b/pkg/noise/noise.go index aa35d668f..66550f73f 100644 --- a/pkg/noise/noise.go +++ b/pkg/noise/noise.go @@ -8,8 +8,8 @@ import ( "fmt" "github.com/skycoin/noise" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" ) var noiseLogger = logging.MustGetLogger("noise") diff --git a/pkg/noise/noise_test.go b/pkg/noise/noise_test.go index dba0be58d..5e43cbadc 100644 --- a/pkg/noise/noise_test.go +++ b/pkg/noise/noise_test.go @@ -6,8 +6,8 @@ import ( "os" "testing" - "github.com/skycoin/skywire-utilities/pkg/cipher" - "github.com/skycoin/skywire-utilities/pkg/logging" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/logging" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" ) diff --git a/pkg/noise/read_writer.go b/pkg/noise/read_writer.go index 8315753fc..4f36e8303 100644 --- a/pkg/noise/read_writer.go +++ b/pkg/noise/read_writer.go @@ -11,7 +11,8 @@ import ( "sync" "time" - "github.com/skycoin/skywire-utilities/pkg/cipher" + "github.com/chen3feng/safecast" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" "github.com/skycoin/dmsg/pkg/ioutil" ) @@ -175,12 +176,17 @@ func (rw *ReadWriter) Write(p []byte) (n int, err error) { func (rw *ReadWriter) Handshake(hsTimeout time.Duration) error { errCh := make(chan error, 1) go func() { + defer func() { + if r := recover(); r != nil { + errCh <- fmt.Errorf("handshake panic: %v", r) + } + close(errCh) + }() if rw.ns.init { errCh <- InitiatorHandshake(rw.ns, rw.rawInput, rw.origin) } else { errCh <- ResponderHandshake(rw.ns, rw.rawInput, rw.origin) } - close(errCh) }() select { case err := <-errCh: @@ -263,11 +269,15 @@ func ResponderHandshake(ns *Noise, r *bufio.Reader, w io.Writer) error { // It returns the bytes written. func WriteRawFrame(w io.Writer, p []byte) ([]byte, error) { buf := make([]byte, prefixSize+len(p)) - binary.BigEndian.PutUint16(buf, uint16(len(p))) - copy(buf[prefixSize:], p) + lenp, ok := safecast.To[uint16](len(p)) + if ok { + binary.BigEndian.PutUint16(buf, lenp) + copy(buf[prefixSize:], p) - n, err := w.Write(buf) - return buf[:n], err + n, err := w.Write(buf) + return buf[:n], err + } + return []byte{}, fmt.Errorf("failed to cast length of slice to uint16") } // ReadRawFrame attempts to read a raw frame from a buffered reader. diff --git a/pkg/noise/read_writer_test.go b/pkg/noise/read_writer_test.go index cbc67c2d4..78c67569f 100644 --- a/pkg/noise/read_writer_test.go +++ b/pkg/noise/read_writer_test.go @@ -7,7 +7,7 @@ import ( "testing" "time" - "github.com/skycoin/skywire-utilities/pkg/cipher" + "github.com/skycoin/skywire/pkg/skywire-utilities/pkg/cipher" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" ) diff --git a/scripts/TERM.md b/scripts/TERM.md new file mode 100644 index 000000000..c3d049b39 --- /dev/null +++ b/scripts/TERM.md @@ -0,0 +1,50 @@ +# Terminal code (dmsgpty-ui) + +The `therm.html` file contains the code for the dmsgpty-ui terminal. It is made mainly of 2 parts: + +- The first one is the code of [xterm.js](https://github.com/xtermjs/xterm.js) and its +dependencies. There are 2 big code comments indicating where this code starts and ends. +You should not modify this code, as it is overwritten by a script every time xterm.js +is updated and removing some comments could make the updater stop working. + +- The seconds parts is the code for managing xterm.js, it is just after the comment indicating +the end of the xterm.js code. This is the part that can be modiffied to alter the functionality. + +## Xterm.js docs + +You can find documentation on the projects page: http://xtermjs.org/ + +## Updating Xterm.js + +Xterm.js is a NPM package, so you need to have Node.js installed to be able to update it. + +For updating: + +- First go to the [term_deps](./term_deps) folder. There you can find the +[package.json](./term_deps/package.json) file were you can set the desired version. For +installing the newly specified version or just letting NPM update to the newest applicable +version (if the version number was not changed), run `npm install`. That will create a +`node_modules` with the updated dependencies. + +- After updating the `node_modules` folder, still inside the [term_deps](./term_deps) folder, +run `node inject_deps.js`, to copy the code of the dependencies to the `therm.html` file. + +### How inject_deps.js works + +This script loads and injects 4 code segments to `therm.html`: + +- `xterm.css`: is loaded from `./term_deps/node_modules/xterm/css/xterm.css` and added between the +`/* term-css-start */` and `/* term-css-end */` strings inside the `therm.html` file. + +- `xterm.js`: is loaded from `./term_deps/node_modules/xterm/lib/xterm.js` and added between the +`/* term-js-start */` and `/* term-js-end */` strings inside the `therm.html` file. + +- `xterm-addon-attach.js`: is loaded from `./term_deps/node_modules/xterm-addon-attach/lib/xterm-addon-attach.js` +and added between the `/* term-attach-start */` and `/* term-attach-end */` strings inside the `therm.html` file. + +- `xterm-addon-fit.js`: is loaded from `./term_deps/node_modules/xterm-addon-fit/lib/xterm-addon-fit.js` +and added between the `/* term-fit-start */` and `/* term-fit-end */` strings inside the `therm.html` file. + +As you can see, the `inject_deps.js` script uses specific start and end comments to know were the +content must be added. These comments must remain on the `therm.html` file for the updater to work +and you can use then to check were the code is added. diff --git a/scripts/changelog.sh b/scripts/changelog.sh new file mode 100644 index 000000000..35cdb5ffe --- /dev/null +++ b/scripts/changelog.sh @@ -0,0 +1,14 @@ +#!/usr/bin/bash +## CHANGELOG GENERATOR SCRIPT +# supply range of pull requests since last release as arguments for sequence +[[ $1 == "" ]] && cat $0 && exit +for _i in $(seq $1 $2 | tac) ; do +_merged="$(curl -s https://github.com/skycoin/dmsg/pull/${_i} | grep 'Status: Merged')" +if [[ $_merged != "" ]] ; then +_title="$(curl -s https://github.com/skycoin/dmsg/pull/${_i} | grep '')" +_title="$(curl -s https://github.com/skycoin/dmsg/pull/${_i} | grep '<title>')" +_title=${_title//"<title>"/} +_title=${_title//"by"*/} +[[ ${_title} != "" ]] && echo "- ${_title} [#${_i}](https://github.com/skycoin/dmsg/pull/${_i})" +fi +done diff --git a/scripts/run-e2e-tests.sh b/scripts/run-e2e-tests.sh new file mode 100755 index 000000000..e15b302a7 --- /dev/null +++ b/scripts/run-e2e-tests.sh @@ -0,0 +1,40 @@ +#!/bin/bash + +# E2E Test Runner for DMSG +# This script builds and runs the e2e test environment + +set -e + +SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" +DOCKER_DIR="$SCRIPT_DIR/../docker" +ROOT_DIR="$SCRIPT_DIR/.." + +cd "$ROOT_DIR" + +echo "==> Building DMSG e2e test environment..." + +# Build docker images +cd docker +docker compose -f docker-compose.e2e.yml build + +echo "==> Starting DMSG e2e test services..." +docker compose -f docker-compose.e2e.yml up -d + +echo "==> Waiting for services to be ready..." +sleep 15 + +echo "==> Running e2e tests..." +cd "$ROOT_DIR" +go test -v -tags !no_ci ./internal/e2e/... || TEST_FAILED=1 + +echo "==> Cleaning up..." +cd docker +docker compose -f docker-compose.e2e.yml logs +docker compose -f docker-compose.e2e.yml down -v + +if [ "$TEST_FAILED" == "1" ]; then + echo "==> Tests FAILED" + exit 1 +fi + +echo "==> Tests PASSED" diff --git a/scripts/term.html b/scripts/term.html index e4bff5149..8c423c0ff 100644 --- a/scripts/term.html +++ b/scripts/term.html @@ -1,33 +1,24 @@ <!doctype html> -<style> - body { background: #000; } - .terminal { font-size: 16px; } -</style> -<script> -;(function() { - window.onload = function() { - var protocol = (location.protocol == "https:") ? "wss" : "ws" - var socket = new WebSocket(protocol+"://"+location.host+location.pathname+location.search); - socket.onopen = function() { - var term = new Terminal({ - cols: 100, - rows: 30, - useStyle: true, - screenKeys: true - }); - term.on('data', function(data) { socket.send(data); }); - term.open(document.body); - socket.onmessage = function(event) { term.write(event.data); }; - socket.onclose = function() { term.destroy(); }; - } - }; -}).call(this); -</script> -<script> +<html> + <head> + <title>Terminal + + + + + + + + + + + + + + +
+
+
+ + + + + + diff --git a/scripts/term_deps/.gitignore b/scripts/term_deps/.gitignore new file mode 100644 index 000000000..746c55c87 --- /dev/null +++ b/scripts/term_deps/.gitignore @@ -0,0 +1,3 @@ +/node_modules + +!*.json diff --git a/scripts/term_deps/inject_deps.js b/scripts/term_deps/inject_deps.js new file mode 100644 index 000000000..f3ebfac8c --- /dev/null +++ b/scripts/term_deps/inject_deps.js @@ -0,0 +1,59 @@ +'use strict' + +const fs = require('fs'); + +console.log('Starting to inject the dependencies.', '\n'); + +// Load the HTML to edit. +let termHtmlLocation = '../term.html'; +if (!fs.existsSync(termHtmlLocation)) { + exitWithError('ERROR: Unable to find the term HTML file. No changes were made.'); +} +let currentData = fs.readFileSync(termHtmlLocation, 'utf8'); + +// Add the xterm CSS. +let cssLocation = './node_modules/xterm/css/xterm.css'; +if (!fs.existsSync(cssLocation)) { + exitWithError('ERROR: Unable to find the xterm CSS file. No changes were made.'); +} +let cssData = fs.readFileSync(cssLocation, 'utf8'); +currentData = replaceContent(currentData, cssData, '/* term-css-start */', '/* term-css-end */'); + +// Add the xterm JS. +let xtermLocation = './node_modules/xterm/lib/xterm.js'; +if (!fs.existsSync(xtermLocation)) { + exitWithError('ERROR: Unable to find the xterm JS file. No changes were made.'); +} +let xtermData = fs.readFileSync(xtermLocation, 'utf8'); +currentData = replaceContent(currentData, xtermData, '/* term-js-start */', '/* term-js-end */'); + +// Add the attach addon. +let attachLocation = './node_modules/xterm-addon-attach/lib/xterm-addon-attach.js'; +if (!fs.existsSync(attachLocation)) { + exitWithError('ERROR: Unable to find the xterm attach addon file. No changes were made.'); +} +let attachData = fs.readFileSync(attachLocation, 'utf8'); +currentData = replaceContent(currentData, attachData, '/* term-attach-start */', '/* term-attach-end */'); + +// Add the fit addon. +let fitLocation = './node_modules/xterm-addon-fit/lib/xterm-addon-fit.js'; +if (!fs.existsSync(fitLocation)) { + exitWithError('ERROR: Unable to find the xterm fit addon file. No changes were made.'); +} +let fithData = fs.readFileSync(fitLocation, 'utf8'); +currentData = replaceContent(currentData, fithData, '/* term-fit-start */', '/* term-fit-end */'); + +// Save the new file. +fs.writeFileSync('../term.html', currentData, {encoding: 'utf8'}); +console.log('Dependencies injected.', '\n'); + +/** + * Takes the text of the newData params and adds it to the currentData string, replacing everything + * between the startString and endString params. +*/ +function replaceContent(currentData, newData, startString, endString) { + let startIndex = currentData.indexOf(startString) + (startString).length; + let endIndex = currentData.indexOf(endString); + + return currentData.substring(0, startIndex) + '\n' + newData + '\n ' + currentData.substring(endIndex) +} diff --git a/scripts/term_deps/package-lock.json b/scripts/term_deps/package-lock.json new file mode 100644 index 000000000..511d3b1bf --- /dev/null +++ b/scripts/term_deps/package-lock.json @@ -0,0 +1,54 @@ +{ + "name": "scripts", + "lockfileVersion": 2, + "requires": true, + "packages": { + "": { + "dependencies": { + "xterm": "^5.1.0", + "xterm-addon-attach": "^0.8.0", + "xterm-addon-fit": "^0.7.0" + } + }, + "node_modules/xterm": { + "version": "5.1.0", + "resolved": "https://registry.npmjs.org/xterm/-/xterm-5.1.0.tgz", + "integrity": "sha512-LovENH4WDzpwynj+OTkLyZgJPeDom9Gra4DMlGAgz6pZhIDCQ+YuO7yfwanY+gVbn/mmZIStNOnVRU/ikQuAEQ==" + }, + "node_modules/xterm-addon-attach": { + "version": "0.8.0", + "resolved": "https://registry.npmjs.org/xterm-addon-attach/-/xterm-addon-attach-0.8.0.tgz", + "integrity": "sha512-k8N5boSYn6rMJTTNCgFpiSTZ26qnYJf3v/nJJYexNO2sdAHDN3m1ivVQWVZ8CHJKKnZQw1rc44YP2NtgalWHfQ==", + "peerDependencies": { + "xterm": "^5.0.0" + } + }, + "node_modules/xterm-addon-fit": { + "version": "0.7.0", + "resolved": "https://registry.npmjs.org/xterm-addon-fit/-/xterm-addon-fit-0.7.0.tgz", + "integrity": "sha512-tQgHGoHqRTgeROPnvmtEJywLKoC/V9eNs4bLLz7iyJr1aW/QFzRwfd3MGiJ6odJd9xEfxcW36/xRU47JkD5NKQ==", + "peerDependencies": { + "xterm": "^5.0.0" + } + } + }, + "dependencies": { + "xterm": { + "version": "5.1.0", + "resolved": "https://registry.npmjs.org/xterm/-/xterm-5.1.0.tgz", + "integrity": "sha512-LovENH4WDzpwynj+OTkLyZgJPeDom9Gra4DMlGAgz6pZhIDCQ+YuO7yfwanY+gVbn/mmZIStNOnVRU/ikQuAEQ==" + }, + "xterm-addon-attach": { + "version": "0.8.0", + "resolved": "https://registry.npmjs.org/xterm-addon-attach/-/xterm-addon-attach-0.8.0.tgz", + "integrity": "sha512-k8N5boSYn6rMJTTNCgFpiSTZ26qnYJf3v/nJJYexNO2sdAHDN3m1ivVQWVZ8CHJKKnZQw1rc44YP2NtgalWHfQ==", + "requires": {} + }, + "xterm-addon-fit": { + "version": "0.7.0", + "resolved": "https://registry.npmjs.org/xterm-addon-fit/-/xterm-addon-fit-0.7.0.tgz", + "integrity": "sha512-tQgHGoHqRTgeROPnvmtEJywLKoC/V9eNs4bLLz7iyJr1aW/QFzRwfd3MGiJ6odJd9xEfxcW36/xRU47JkD5NKQ==", + "requires": {} + } + } +} diff --git a/scripts/term_deps/package.json b/scripts/term_deps/package.json new file mode 100644 index 000000000..8b6f1e43b --- /dev/null +++ b/scripts/term_deps/package.json @@ -0,0 +1,7 @@ +{ + "dependencies": { + "xterm": "^5.1.0", + "xterm-addon-attach": "^0.8.0", + "xterm-addon-fit": "^0.7.0" + } +} diff --git a/vendor/github.com/ActiveState/termtest/conpty/go.mod b/vendor/github.com/ActiveState/termtest/conpty/go.mod deleted file mode 100644 index 67bb0a5f8..000000000 --- a/vendor/github.com/ActiveState/termtest/conpty/go.mod +++ /dev/null @@ -1,8 +0,0 @@ -module github.com/ActiveState/termtest/conpty - -go 1.12 - -require ( - github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 - golang.org/x/sys v0.0.0-20200428200454-593003d681fa -) diff --git a/vendor/github.com/ActiveState/termtest/conpty/go.sum b/vendor/github.com/ActiveState/termtest/conpty/go.sum deleted file mode 100644 index c1c7bf67b..000000000 --- a/vendor/github.com/ActiveState/termtest/conpty/go.sum +++ /dev/null @@ -1,4 +0,0 @@ -github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 h1:w+iIsaOQNcT7OZ575w+acHgRric5iCyQh+xv+KJ4HB8= -github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8= -golang.org/x/sys v0.0.0-20200428200454-593003d681fa h1:yMbJOvnfYkO1dSAviTu/ZguZWLBTXx4xE3LYrxUCCiA= -golang.org/x/sys v0.0.0-20200428200454-593003d681fa/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= diff --git a/vendor/github.com/Azure/go-ansiterm/SECURITY.md b/vendor/github.com/Azure/go-ansiterm/SECURITY.md new file mode 100644 index 000000000..e138ec5d6 --- /dev/null +++ b/vendor/github.com/Azure/go-ansiterm/SECURITY.md @@ -0,0 +1,41 @@ + + +## Security + +Microsoft takes the security of our software products and services seriously, which includes all source code repositories managed through our GitHub organizations, which include [Microsoft](https://github.com/microsoft), [Azure](https://github.com/Azure), [DotNet](https://github.com/dotnet), [AspNet](https://github.com/aspnet), [Xamarin](https://github.com/xamarin), and [our GitHub organizations](https://opensource.microsoft.com/). + +If you believe you have found a security vulnerability in any Microsoft-owned repository that meets [Microsoft's definition of a security vulnerability](https://aka.ms/opensource/security/definition), please report it to us as described below. + +## Reporting Security Issues + +**Please do not report security vulnerabilities through public GitHub issues.** + +Instead, please report them to the Microsoft Security Response Center (MSRC) at [https://msrc.microsoft.com/create-report](https://aka.ms/opensource/security/create-report). + +If you prefer to submit without logging in, send email to [secure@microsoft.com](mailto:secure@microsoft.com). If possible, encrypt your message with our PGP key; please download it from the [Microsoft Security Response Center PGP Key page](https://aka.ms/opensource/security/pgpkey). + +You should receive a response within 24 hours. If for some reason you do not, please follow up via email to ensure we received your original message. Additional information can be found at [microsoft.com/msrc](https://aka.ms/opensource/security/msrc). + +Please include the requested information listed below (as much as you can provide) to help us better understand the nature and scope of the possible issue: + + * Type of issue (e.g. buffer overflow, SQL injection, cross-site scripting, etc.) + * Full paths of source file(s) related to the manifestation of the issue + * The location of the affected source code (tag/branch/commit or direct URL) + * Any special configuration required to reproduce the issue + * Step-by-step instructions to reproduce the issue + * Proof-of-concept or exploit code (if possible) + * Impact of the issue, including how an attacker might exploit the issue + +This information will help us triage your report more quickly. + +If you are reporting for a bug bounty, more complete reports can contribute to a higher bounty award. Please visit our [Microsoft Bug Bounty Program](https://aka.ms/opensource/security/bounty) page for more details about our active programs. + +## Preferred Languages + +We prefer all communications to be in English. + +## Policy + +Microsoft follows the principle of [Coordinated Vulnerability Disclosure](https://aka.ms/opensource/security/cvd). + + diff --git a/vendor/github.com/Azure/go-ansiterm/osc_string_state.go b/vendor/github.com/Azure/go-ansiterm/osc_string_state.go index 593b10ab6..194d5e9c9 100644 --- a/vendor/github.com/Azure/go-ansiterm/osc_string_state.go +++ b/vendor/github.com/Azure/go-ansiterm/osc_string_state.go @@ -11,21 +11,13 @@ func (oscState oscStringState) Handle(b byte) (s state, e error) { return nextState, err } - switch { - case isOscStringTerminator(b): + // There are several control characters and sequences which can + // terminate an OSC string. Most of them are handled by the baseState + // handler. The ANSI_BEL character is a special case which behaves as a + // terminator only for an OSC string. + if b == ANSI_BEL { return oscState.parser.ground, nil } return oscState, nil } - -// See below for OSC string terminators for linux -// http://man7.org/linux/man-pages/man4/console_codes.4.html -func isOscStringTerminator(b byte) bool { - - if b == ANSI_BEL || b == 0x5C { - return true - } - - return false -} diff --git a/vendor/github.com/Azure/go-ansiterm/winterm/ansi.go b/vendor/github.com/Azure/go-ansiterm/winterm/ansi.go index a67327972..5599082ae 100644 --- a/vendor/github.com/Azure/go-ansiterm/winterm/ansi.go +++ b/vendor/github.com/Azure/go-ansiterm/winterm/ansi.go @@ -10,6 +10,7 @@ import ( "syscall" "github.com/Azure/go-ansiterm" + windows "golang.org/x/sys/windows" ) // Windows keyboard constants @@ -162,15 +163,28 @@ func ensureInRange(n int16, min int16, max int16) int16 { func GetStdFile(nFile int) (*os.File, uintptr) { var file *os.File - switch nFile { - case syscall.STD_INPUT_HANDLE: + + // syscall uses negative numbers + // windows package uses very big uint32 + // Keep these switches split so we don't have to convert ints too much. + switch uint32(nFile) { + case windows.STD_INPUT_HANDLE: file = os.Stdin - case syscall.STD_OUTPUT_HANDLE: + case windows.STD_OUTPUT_HANDLE: file = os.Stdout - case syscall.STD_ERROR_HANDLE: + case windows.STD_ERROR_HANDLE: file = os.Stderr default: - panic(fmt.Errorf("Invalid standard handle identifier: %v", nFile)) + switch nFile { + case syscall.STD_INPUT_HANDLE: + file = os.Stdin + case syscall.STD_OUTPUT_HANDLE: + file = os.Stdout + case syscall.STD_ERROR_HANDLE: + file = os.Stderr + default: + panic(fmt.Errorf("Invalid standard handle identifier: %v", nFile)) + } } fd, err := syscall.GetStdHandle(nFile) diff --git a/vendor/github.com/Microsoft/go-winio/.gitattributes b/vendor/github.com/Microsoft/go-winio/.gitattributes new file mode 100644 index 000000000..94f480de9 --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/.gitattributes @@ -0,0 +1 @@ +* text=auto eol=lf \ No newline at end of file diff --git a/vendor/github.com/Microsoft/go-winio/.gitignore b/vendor/github.com/Microsoft/go-winio/.gitignore new file mode 100644 index 000000000..815e20660 --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/.gitignore @@ -0,0 +1,10 @@ +.vscode/ + +*.exe + +# testing +testdata + +# go workspaces +go.work +go.work.sum diff --git a/vendor/github.com/Microsoft/go-winio/.golangci.yml b/vendor/github.com/Microsoft/go-winio/.golangci.yml new file mode 100644 index 000000000..faedfe937 --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/.golangci.yml @@ -0,0 +1,147 @@ +linters: + enable: + # style + - containedctx # struct contains a context + - dupl # duplicate code + - errname # erorrs are named correctly + - nolintlint # "//nolint" directives are properly explained + - revive # golint replacement + - unconvert # unnecessary conversions + - wastedassign + + # bugs, performance, unused, etc ... + - contextcheck # function uses a non-inherited context + - errorlint # errors not wrapped for 1.13 + - exhaustive # check exhaustiveness of enum switch statements + - gofmt # files are gofmt'ed + - gosec # security + - nilerr # returns nil even with non-nil error + - thelper # test helpers without t.Helper() + - unparam # unused function params + +issues: + exclude-dirs: + - pkg/etw/sample + + exclude-rules: + # err is very often shadowed in nested scopes + - linters: + - govet + text: '^shadow: declaration of "err" shadows declaration' + + # ignore long lines for skip autogen directives + - linters: + - revive + text: "^line-length-limit: " + source: "^//(go:generate|sys) " + + #TODO: remove after upgrading to go1.18 + # ignore comment spacing for nolint and sys directives + - linters: + - revive + text: "^comment-spacings: no space between comment delimiter and comment text" + source: "//(cspell:|nolint:|sys |todo)" + + # not on go 1.18 yet, so no any + - linters: + - revive + text: "^use-any: since GO 1.18 'interface{}' can be replaced by 'any'" + + # allow unjustified ignores of error checks in defer statements + - linters: + - nolintlint + text: "^directive `//nolint:errcheck` should provide explanation" + source: '^\s*defer ' + + # allow unjustified ignores of error lints for io.EOF + - linters: + - nolintlint + text: "^directive `//nolint:errorlint` should provide explanation" + source: '[=|!]= io.EOF' + + +linters-settings: + exhaustive: + default-signifies-exhaustive: true + govet: + enable-all: true + disable: + # struct order is often for Win32 compat + # also, ignore pointer bytes/GC issues for now until performance becomes an issue + - fieldalignment + nolintlint: + require-explanation: true + require-specific: true + revive: + # revive is more configurable than static check, so likely the preferred alternative to static-check + # (once the perf issue is solved: https://github.com/golangci/golangci-lint/issues/2997) + enable-all-rules: + true + # https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md + rules: + # rules with required arguments + - name: argument-limit + disabled: true + - name: banned-characters + disabled: true + - name: cognitive-complexity + disabled: true + - name: cyclomatic + disabled: true + - name: file-header + disabled: true + - name: function-length + disabled: true + - name: function-result-limit + disabled: true + - name: max-public-structs + disabled: true + # geneally annoying rules + - name: add-constant # complains about any and all strings and integers + disabled: true + - name: confusing-naming # we frequently use "Foo()" and "foo()" together + disabled: true + - name: flag-parameter # excessive, and a common idiom we use + disabled: true + - name: unhandled-error # warns over common fmt.Print* and io.Close; rely on errcheck instead + disabled: true + # general config + - name: line-length-limit + arguments: + - 140 + - name: var-naming + arguments: + - [] + - - CID + - CRI + - CTRD + - DACL + - DLL + - DOS + - ETW + - FSCTL + - GCS + - GMSA + - HCS + - HV + - IO + - LCOW + - LDAP + - LPAC + - LTSC + - MMIO + - NT + - OCI + - PMEM + - PWSH + - RX + - SACl + - SID + - SMB + - TX + - VHD + - VHDX + - VMID + - VPCI + - WCOW + - WIM diff --git a/vendor/github.com/Microsoft/go-winio/CODEOWNERS b/vendor/github.com/Microsoft/go-winio/CODEOWNERS new file mode 100644 index 000000000..ae1b4942b --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/CODEOWNERS @@ -0,0 +1 @@ + * @microsoft/containerplat diff --git a/vendor/github.com/Microsoft/go-winio/LICENSE b/vendor/github.com/Microsoft/go-winio/LICENSE new file mode 100644 index 000000000..b8b569d77 --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/LICENSE @@ -0,0 +1,22 @@ +The MIT License (MIT) + +Copyright (c) 2015 Microsoft + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. + diff --git a/vendor/github.com/Microsoft/go-winio/README.md b/vendor/github.com/Microsoft/go-winio/README.md new file mode 100644 index 000000000..7474b4f0b --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/README.md @@ -0,0 +1,89 @@ +# go-winio [![Build Status](https://github.com/microsoft/go-winio/actions/workflows/ci.yml/badge.svg)](https://github.com/microsoft/go-winio/actions/workflows/ci.yml) + +This repository contains utilities for efficiently performing Win32 IO operations in +Go. Currently, this is focused on accessing named pipes and other file handles, and +for using named pipes as a net transport. + +This code relies on IO completion ports to avoid blocking IO on system threads, allowing Go +to reuse the thread to schedule another goroutine. This limits support to Windows Vista and +newer operating systems. This is similar to the implementation of network sockets in Go's net +package. + +Please see the LICENSE file for licensing information. + +## Contributing + +This project welcomes contributions and suggestions. +Most contributions require you to agree to a Contributor License Agreement (CLA) declaring that +you have the right to, and actually do, grant us the rights to use your contribution. +For details, visit [Microsoft CLA](https://cla.microsoft.com). + +When you submit a pull request, a CLA-bot will automatically determine whether you need to +provide a CLA and decorate the PR appropriately (e.g., label, comment). +Simply follow the instructions provided by the bot. +You will only need to do this once across all repos using our CLA. + +Additionally, the pull request pipeline requires the following steps to be performed before +mergining. + +### Code Sign-Off + +We require that contributors sign their commits using [`git commit --signoff`][git-commit-s] +to certify they either authored the work themselves or otherwise have permission to use it in this project. + +A range of commits can be signed off using [`git rebase --signoff`][git-rebase-s]. + +Please see [the developer certificate](https://developercertificate.org) for more info, +as well as to make sure that you can attest to the rules listed. +Our CI uses the DCO Github app to ensure that all commits in a given PR are signed-off. + +### Linting + +Code must pass a linting stage, which uses [`golangci-lint`][lint]. +The linting settings are stored in [`.golangci.yaml`](./.golangci.yaml), and can be run +automatically with VSCode by adding the following to your workspace or folder settings: + +```json + "go.lintTool": "golangci-lint", + "go.lintOnSave": "package", +``` + +Additional editor [integrations options are also available][lint-ide]. + +Alternatively, `golangci-lint` can be [installed locally][lint-install] and run from the repo root: + +```shell +# use . or specify a path to only lint a package +# to show all lint errors, use flags "--max-issues-per-linter=0 --max-same-issues=0" +> golangci-lint run ./... +``` + +### Go Generate + +The pipeline checks that auto-generated code, via `go generate`, are up to date. + +This can be done for the entire repo: + +```shell +> go generate ./... +``` + +## Code of Conduct + +This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/). +For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or +contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with any additional questions or comments. + +## Special Thanks + +Thanks to [natefinch][natefinch] for the inspiration for this library. +See [npipe](https://github.com/natefinch/npipe) for another named pipe implementation. + +[lint]: https://golangci-lint.run/ +[lint-ide]: https://golangci-lint.run/usage/integrations/#editor-integration +[lint-install]: https://golangci-lint.run/usage/install/#local-installation + +[git-commit-s]: https://git-scm.com/docs/git-commit#Documentation/git-commit.txt--s +[git-rebase-s]: https://git-scm.com/docs/git-rebase#Documentation/git-rebase.txt---signoff + +[natefinch]: https://github.com/natefinch diff --git a/vendor/github.com/Microsoft/go-winio/SECURITY.md b/vendor/github.com/Microsoft/go-winio/SECURITY.md new file mode 100644 index 000000000..869fdfe2b --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/SECURITY.md @@ -0,0 +1,41 @@ + + +## Security + +Microsoft takes the security of our software products and services seriously, which includes all source code repositories managed through our GitHub organizations, which include [Microsoft](https://github.com/Microsoft), [Azure](https://github.com/Azure), [DotNet](https://github.com/dotnet), [AspNet](https://github.com/aspnet), [Xamarin](https://github.com/xamarin), and [our GitHub organizations](https://opensource.microsoft.com/). + +If you believe you have found a security vulnerability in any Microsoft-owned repository that meets [Microsoft's definition of a security vulnerability](https://aka.ms/opensource/security/definition), please report it to us as described below. + +## Reporting Security Issues + +**Please do not report security vulnerabilities through public GitHub issues.** + +Instead, please report them to the Microsoft Security Response Center (MSRC) at [https://msrc.microsoft.com/create-report](https://aka.ms/opensource/security/create-report). + +If you prefer to submit without logging in, send email to [secure@microsoft.com](mailto:secure@microsoft.com). If possible, encrypt your message with our PGP key; please download it from the [Microsoft Security Response Center PGP Key page](https://aka.ms/opensource/security/pgpkey). + +You should receive a response within 24 hours. If for some reason you do not, please follow up via email to ensure we received your original message. Additional information can be found at [microsoft.com/msrc](https://aka.ms/opensource/security/msrc). + +Please include the requested information listed below (as much as you can provide) to help us better understand the nature and scope of the possible issue: + + * Type of issue (e.g. buffer overflow, SQL injection, cross-site scripting, etc.) + * Full paths of source file(s) related to the manifestation of the issue + * The location of the affected source code (tag/branch/commit or direct URL) + * Any special configuration required to reproduce the issue + * Step-by-step instructions to reproduce the issue + * Proof-of-concept or exploit code (if possible) + * Impact of the issue, including how an attacker might exploit the issue + +This information will help us triage your report more quickly. + +If you are reporting for a bug bounty, more complete reports can contribute to a higher bounty award. Please visit our [Microsoft Bug Bounty Program](https://aka.ms/opensource/security/bounty) page for more details about our active programs. + +## Preferred Languages + +We prefer all communications to be in English. + +## Policy + +Microsoft follows the principle of [Coordinated Vulnerability Disclosure](https://aka.ms/opensource/security/cvd). + + diff --git a/vendor/github.com/Microsoft/go-winio/backup.go b/vendor/github.com/Microsoft/go-winio/backup.go new file mode 100644 index 000000000..b54341daa --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/backup.go @@ -0,0 +1,287 @@ +//go:build windows +// +build windows + +package winio + +import ( + "encoding/binary" + "errors" + "fmt" + "io" + "os" + "runtime" + "unicode/utf16" + + "github.com/Microsoft/go-winio/internal/fs" + "golang.org/x/sys/windows" +) + +//sys backupRead(h windows.Handle, b []byte, bytesRead *uint32, abort bool, processSecurity bool, context *uintptr) (err error) = BackupRead +//sys backupWrite(h windows.Handle, b []byte, bytesWritten *uint32, abort bool, processSecurity bool, context *uintptr) (err error) = BackupWrite + +const ( + BackupData = uint32(iota + 1) + BackupEaData + BackupSecurity + BackupAlternateData + BackupLink + BackupPropertyData + BackupObjectId //revive:disable-line:var-naming ID, not Id + BackupReparseData + BackupSparseBlock + BackupTxfsData +) + +const ( + StreamSparseAttributes = uint32(8) +) + +//nolint:revive // var-naming: ALL_CAPS +const ( + WRITE_DAC = windows.WRITE_DAC + WRITE_OWNER = windows.WRITE_OWNER + ACCESS_SYSTEM_SECURITY = windows.ACCESS_SYSTEM_SECURITY +) + +// BackupHeader represents a backup stream of a file. +type BackupHeader struct { + //revive:disable-next-line:var-naming ID, not Id + Id uint32 // The backup stream ID + Attributes uint32 // Stream attributes + Size int64 // The size of the stream in bytes + Name string // The name of the stream (for BackupAlternateData only). + Offset int64 // The offset of the stream in the file (for BackupSparseBlock only). +} + +type win32StreamID struct { + StreamID uint32 + Attributes uint32 + Size uint64 + NameSize uint32 +} + +// BackupStreamReader reads from a stream produced by the BackupRead Win32 API and produces a series +// of BackupHeader values. +type BackupStreamReader struct { + r io.Reader + bytesLeft int64 +} + +// NewBackupStreamReader produces a BackupStreamReader from any io.Reader. +func NewBackupStreamReader(r io.Reader) *BackupStreamReader { + return &BackupStreamReader{r, 0} +} + +// Next returns the next backup stream and prepares for calls to Read(). It skips the remainder of the current stream if +// it was not completely read. +func (r *BackupStreamReader) Next() (*BackupHeader, error) { + if r.bytesLeft > 0 { //nolint:nestif // todo: flatten this + if s, ok := r.r.(io.Seeker); ok { + // Make sure Seek on io.SeekCurrent sometimes succeeds + // before trying the actual seek. + if _, err := s.Seek(0, io.SeekCurrent); err == nil { + if _, err = s.Seek(r.bytesLeft, io.SeekCurrent); err != nil { + return nil, err + } + r.bytesLeft = 0 + } + } + if _, err := io.Copy(io.Discard, r); err != nil { + return nil, err + } + } + var wsi win32StreamID + if err := binary.Read(r.r, binary.LittleEndian, &wsi); err != nil { + return nil, err + } + hdr := &BackupHeader{ + Id: wsi.StreamID, + Attributes: wsi.Attributes, + Size: int64(wsi.Size), + } + if wsi.NameSize != 0 { + name := make([]uint16, int(wsi.NameSize/2)) + if err := binary.Read(r.r, binary.LittleEndian, name); err != nil { + return nil, err + } + hdr.Name = windows.UTF16ToString(name) + } + if wsi.StreamID == BackupSparseBlock { + if err := binary.Read(r.r, binary.LittleEndian, &hdr.Offset); err != nil { + return nil, err + } + hdr.Size -= 8 + } + r.bytesLeft = hdr.Size + return hdr, nil +} + +// Read reads from the current backup stream. +func (r *BackupStreamReader) Read(b []byte) (int, error) { + if r.bytesLeft == 0 { + return 0, io.EOF + } + if int64(len(b)) > r.bytesLeft { + b = b[:r.bytesLeft] + } + n, err := r.r.Read(b) + r.bytesLeft -= int64(n) + if err == io.EOF { + err = io.ErrUnexpectedEOF + } else if r.bytesLeft == 0 && err == nil { + err = io.EOF + } + return n, err +} + +// BackupStreamWriter writes a stream compatible with the BackupWrite Win32 API. +type BackupStreamWriter struct { + w io.Writer + bytesLeft int64 +} + +// NewBackupStreamWriter produces a BackupStreamWriter on top of an io.Writer. +func NewBackupStreamWriter(w io.Writer) *BackupStreamWriter { + return &BackupStreamWriter{w, 0} +} + +// WriteHeader writes the next backup stream header and prepares for calls to Write(). +func (w *BackupStreamWriter) WriteHeader(hdr *BackupHeader) error { + if w.bytesLeft != 0 { + return fmt.Errorf("missing %d bytes", w.bytesLeft) + } + name := utf16.Encode([]rune(hdr.Name)) + wsi := win32StreamID{ + StreamID: hdr.Id, + Attributes: hdr.Attributes, + Size: uint64(hdr.Size), + NameSize: uint32(len(name) * 2), + } + if hdr.Id == BackupSparseBlock { + // Include space for the int64 block offset + wsi.Size += 8 + } + if err := binary.Write(w.w, binary.LittleEndian, &wsi); err != nil { + return err + } + if len(name) != 0 { + if err := binary.Write(w.w, binary.LittleEndian, name); err != nil { + return err + } + } + if hdr.Id == BackupSparseBlock { + if err := binary.Write(w.w, binary.LittleEndian, hdr.Offset); err != nil { + return err + } + } + w.bytesLeft = hdr.Size + return nil +} + +// Write writes to the current backup stream. +func (w *BackupStreamWriter) Write(b []byte) (int, error) { + if w.bytesLeft < int64(len(b)) { + return 0, fmt.Errorf("too many bytes by %d", int64(len(b))-w.bytesLeft) + } + n, err := w.w.Write(b) + w.bytesLeft -= int64(n) + return n, err +} + +// BackupFileReader provides an io.ReadCloser interface on top of the BackupRead Win32 API. +type BackupFileReader struct { + f *os.File + includeSecurity bool + ctx uintptr +} + +// NewBackupFileReader returns a new BackupFileReader from a file handle. If includeSecurity is true, +// Read will attempt to read the security descriptor of the file. +func NewBackupFileReader(f *os.File, includeSecurity bool) *BackupFileReader { + r := &BackupFileReader{f, includeSecurity, 0} + return r +} + +// Read reads a backup stream from the file by calling the Win32 API BackupRead(). +func (r *BackupFileReader) Read(b []byte) (int, error) { + var bytesRead uint32 + err := backupRead(windows.Handle(r.f.Fd()), b, &bytesRead, false, r.includeSecurity, &r.ctx) + if err != nil { + return 0, &os.PathError{Op: "BackupRead", Path: r.f.Name(), Err: err} + } + runtime.KeepAlive(r.f) + if bytesRead == 0 { + return 0, io.EOF + } + return int(bytesRead), nil +} + +// Close frees Win32 resources associated with the BackupFileReader. It does not close +// the underlying file. +func (r *BackupFileReader) Close() error { + if r.ctx != 0 { + _ = backupRead(windows.Handle(r.f.Fd()), nil, nil, true, false, &r.ctx) + runtime.KeepAlive(r.f) + r.ctx = 0 + } + return nil +} + +// BackupFileWriter provides an io.WriteCloser interface on top of the BackupWrite Win32 API. +type BackupFileWriter struct { + f *os.File + includeSecurity bool + ctx uintptr +} + +// NewBackupFileWriter returns a new BackupFileWriter from a file handle. If includeSecurity is true, +// Write() will attempt to restore the security descriptor from the stream. +func NewBackupFileWriter(f *os.File, includeSecurity bool) *BackupFileWriter { + w := &BackupFileWriter{f, includeSecurity, 0} + return w +} + +// Write restores a portion of the file using the provided backup stream. +func (w *BackupFileWriter) Write(b []byte) (int, error) { + var bytesWritten uint32 + err := backupWrite(windows.Handle(w.f.Fd()), b, &bytesWritten, false, w.includeSecurity, &w.ctx) + if err != nil { + return 0, &os.PathError{Op: "BackupWrite", Path: w.f.Name(), Err: err} + } + runtime.KeepAlive(w.f) + if int(bytesWritten) != len(b) { + return int(bytesWritten), errors.New("not all bytes could be written") + } + return len(b), nil +} + +// Close frees Win32 resources associated with the BackupFileWriter. It does not +// close the underlying file. +func (w *BackupFileWriter) Close() error { + if w.ctx != 0 { + _ = backupWrite(windows.Handle(w.f.Fd()), nil, nil, true, false, &w.ctx) + runtime.KeepAlive(w.f) + w.ctx = 0 + } + return nil +} + +// OpenForBackup opens a file or directory, potentially skipping access checks if the backup +// or restore privileges have been acquired. +// +// If the file opened was a directory, it cannot be used with Readdir(). +func OpenForBackup(path string, access uint32, share uint32, createmode uint32) (*os.File, error) { + h, err := fs.CreateFile(path, + fs.AccessMask(access), + fs.FileShareMode(share), + nil, + fs.FileCreationDisposition(createmode), + fs.FILE_FLAG_BACKUP_SEMANTICS|fs.FILE_FLAG_OPEN_REPARSE_POINT, + 0, + ) + if err != nil { + err = &os.PathError{Op: "open", Path: path, Err: err} + return nil, err + } + return os.NewFile(uintptr(h), path), nil +} diff --git a/vendor/github.com/Microsoft/go-winio/doc.go b/vendor/github.com/Microsoft/go-winio/doc.go new file mode 100644 index 000000000..1f5bfe2d5 --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/doc.go @@ -0,0 +1,22 @@ +// This package provides utilities for efficiently performing Win32 IO operations in Go. +// Currently, this package is provides support for genreal IO and management of +// - named pipes +// - files +// - [Hyper-V sockets] +// +// This code is similar to Go's [net] package, and uses IO completion ports to avoid +// blocking IO on system threads, allowing Go to reuse the thread to schedule other goroutines. +// +// This limits support to Windows Vista and newer operating systems. +// +// Additionally, this package provides support for: +// - creating and managing GUIDs +// - writing to [ETW] +// - opening and manageing VHDs +// - parsing [Windows Image files] +// - auto-generating Win32 API code +// +// [Hyper-V sockets]: https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/user-guide/make-integration-service +// [ETW]: https://docs.microsoft.com/en-us/windows-hardware/drivers/devtest/event-tracing-for-windows--etw- +// [Windows Image files]: https://docs.microsoft.com/en-us/windows-hardware/manufacture/desktop/work-with-windows-images +package winio diff --git a/vendor/github.com/Microsoft/go-winio/ea.go b/vendor/github.com/Microsoft/go-winio/ea.go new file mode 100644 index 000000000..e104dbdfd --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/ea.go @@ -0,0 +1,137 @@ +package winio + +import ( + "bytes" + "encoding/binary" + "errors" +) + +type fileFullEaInformation struct { + NextEntryOffset uint32 + Flags uint8 + NameLength uint8 + ValueLength uint16 +} + +var ( + fileFullEaInformationSize = binary.Size(&fileFullEaInformation{}) + + errInvalidEaBuffer = errors.New("invalid extended attribute buffer") + errEaNameTooLarge = errors.New("extended attribute name too large") + errEaValueTooLarge = errors.New("extended attribute value too large") +) + +// ExtendedAttribute represents a single Windows EA. +type ExtendedAttribute struct { + Name string + Value []byte + Flags uint8 +} + +func parseEa(b []byte) (ea ExtendedAttribute, nb []byte, err error) { + var info fileFullEaInformation + err = binary.Read(bytes.NewReader(b), binary.LittleEndian, &info) + if err != nil { + err = errInvalidEaBuffer + return ea, nb, err + } + + nameOffset := fileFullEaInformationSize + nameLen := int(info.NameLength) + valueOffset := nameOffset + int(info.NameLength) + 1 + valueLen := int(info.ValueLength) + nextOffset := int(info.NextEntryOffset) + if valueLen+valueOffset > len(b) || nextOffset < 0 || nextOffset > len(b) { + err = errInvalidEaBuffer + return ea, nb, err + } + + ea.Name = string(b[nameOffset : nameOffset+nameLen]) + ea.Value = b[valueOffset : valueOffset+valueLen] + ea.Flags = info.Flags + if info.NextEntryOffset != 0 { + nb = b[info.NextEntryOffset:] + } + return ea, nb, err +} + +// DecodeExtendedAttributes decodes a list of EAs from a FILE_FULL_EA_INFORMATION +// buffer retrieved from BackupRead, ZwQueryEaFile, etc. +func DecodeExtendedAttributes(b []byte) (eas []ExtendedAttribute, err error) { + for len(b) != 0 { + ea, nb, err := parseEa(b) + if err != nil { + return nil, err + } + + eas = append(eas, ea) + b = nb + } + return eas, err +} + +func writeEa(buf *bytes.Buffer, ea *ExtendedAttribute, last bool) error { + if int(uint8(len(ea.Name))) != len(ea.Name) { + return errEaNameTooLarge + } + if int(uint16(len(ea.Value))) != len(ea.Value) { + return errEaValueTooLarge + } + entrySize := uint32(fileFullEaInformationSize + len(ea.Name) + 1 + len(ea.Value)) + withPadding := (entrySize + 3) &^ 3 + nextOffset := uint32(0) + if !last { + nextOffset = withPadding + } + info := fileFullEaInformation{ + NextEntryOffset: nextOffset, + Flags: ea.Flags, + NameLength: uint8(len(ea.Name)), + ValueLength: uint16(len(ea.Value)), + } + + err := binary.Write(buf, binary.LittleEndian, &info) + if err != nil { + return err + } + + _, err = buf.Write([]byte(ea.Name)) + if err != nil { + return err + } + + err = buf.WriteByte(0) + if err != nil { + return err + } + + _, err = buf.Write(ea.Value) + if err != nil { + return err + } + + _, err = buf.Write([]byte{0, 0, 0}[0 : withPadding-entrySize]) + if err != nil { + return err + } + + return nil +} + +// EncodeExtendedAttributes encodes a list of EAs into a FILE_FULL_EA_INFORMATION +// buffer for use with BackupWrite, ZwSetEaFile, etc. +func EncodeExtendedAttributes(eas []ExtendedAttribute) ([]byte, error) { + var buf bytes.Buffer + for i := range eas { + last := false + if i == len(eas)-1 { + last = true + } + + err := writeEa(&buf, &eas[i], last) + if err != nil { + return nil, err + } + } + return buf.Bytes(), nil +} diff --git a/vendor/github.com/Microsoft/go-winio/file.go b/vendor/github.com/Microsoft/go-winio/file.go new file mode 100644 index 000000000..fe82a180d --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/file.go @@ -0,0 +1,320 @@ +//go:build windows +// +build windows + +package winio + +import ( + "errors" + "io" + "runtime" + "sync" + "sync/atomic" + "syscall" + "time" + + "golang.org/x/sys/windows" +) + +//sys cancelIoEx(file windows.Handle, o *windows.Overlapped) (err error) = CancelIoEx +//sys createIoCompletionPort(file windows.Handle, port windows.Handle, key uintptr, threadCount uint32) (newport windows.Handle, err error) = CreateIoCompletionPort +//sys getQueuedCompletionStatus(port windows.Handle, bytes *uint32, key *uintptr, o **ioOperation, timeout uint32) (err error) = GetQueuedCompletionStatus +//sys setFileCompletionNotificationModes(h windows.Handle, flags uint8) (err error) = SetFileCompletionNotificationModes +//sys wsaGetOverlappedResult(h windows.Handle, o *windows.Overlapped, bytes *uint32, wait bool, flags *uint32) (err error) = ws2_32.WSAGetOverlappedResult + +var ( + ErrFileClosed = errors.New("file has already been closed") + ErrTimeout = &timeoutError{} +) + +type timeoutError struct{} + +func (*timeoutError) Error() string { return "i/o timeout" } +func (*timeoutError) Timeout() bool { return true } +func (*timeoutError) Temporary() bool { return true } + +type timeoutChan chan struct{} + +var ioInitOnce sync.Once +var ioCompletionPort windows.Handle + +// ioResult contains the result of an asynchronous IO operation. +type ioResult struct { + bytes uint32 + err error +} + +// ioOperation represents an outstanding asynchronous Win32 IO. +type ioOperation struct { + o windows.Overlapped + ch chan ioResult +} + +func initIO() { + h, err := createIoCompletionPort(windows.InvalidHandle, 0, 0, 0xffffffff) + if err != nil { + panic(err) + } + ioCompletionPort = h + go ioCompletionProcessor(h) +} + +// win32File implements Reader, Writer, and Closer on a Win32 handle without blocking in a syscall. +// It takes ownership of this handle and will close it if it is garbage collected. +type win32File struct { + handle windows.Handle + wg sync.WaitGroup + wgLock sync.RWMutex + closing atomic.Bool + socket bool + readDeadline deadlineHandler + writeDeadline deadlineHandler +} + +type deadlineHandler struct { + setLock sync.Mutex + channel timeoutChan + channelLock sync.RWMutex + timer *time.Timer + timedout atomic.Bool +} + +// makeWin32File makes a new win32File from an existing file handle. +func makeWin32File(h windows.Handle) (*win32File, error) { + f := &win32File{handle: h} + ioInitOnce.Do(initIO) + _, err := createIoCompletionPort(h, ioCompletionPort, 0, 0xffffffff) + if err != nil { + return nil, err + } + err = setFileCompletionNotificationModes(h, windows.FILE_SKIP_COMPLETION_PORT_ON_SUCCESS|windows.FILE_SKIP_SET_EVENT_ON_HANDLE) + if err != nil { + return nil, err + } + f.readDeadline.channel = make(timeoutChan) + f.writeDeadline.channel = make(timeoutChan) + return f, nil +} + +// Deprecated: use NewOpenFile instead. +func MakeOpenFile(h syscall.Handle) (io.ReadWriteCloser, error) { + return NewOpenFile(windows.Handle(h)) +} + +func NewOpenFile(h windows.Handle) (io.ReadWriteCloser, error) { + // If we return the result of makeWin32File directly, it can result in an + // interface-wrapped nil, rather than a nil interface value. + f, err := makeWin32File(h) + if err != nil { + return nil, err + } + return f, nil +} + +// closeHandle closes the resources associated with a Win32 handle. +func (f *win32File) closeHandle() { + f.wgLock.Lock() + // Atomically set that we are closing, releasing the resources only once. + if !f.closing.Swap(true) { + f.wgLock.Unlock() + // cancel all IO and wait for it to complete + _ = cancelIoEx(f.handle, nil) + f.wg.Wait() + // at this point, no new IO can start + windows.Close(f.handle) + f.handle = 0 + } else { + f.wgLock.Unlock() + } +} + +// Close closes a win32File. +func (f *win32File) Close() error { + f.closeHandle() + return nil +} + +// IsClosed checks if the file has been closed. +func (f *win32File) IsClosed() bool { + return f.closing.Load() +} + +// prepareIO prepares for a new IO operation. +// The caller must call f.wg.Done() when the IO is finished, prior to Close() returning. +func (f *win32File) prepareIO() (*ioOperation, error) { + f.wgLock.RLock() + if f.closing.Load() { + f.wgLock.RUnlock() + return nil, ErrFileClosed + } + f.wg.Add(1) + f.wgLock.RUnlock() + c := &ioOperation{} + c.ch = make(chan ioResult) + return c, nil +} + +// ioCompletionProcessor processes completed async IOs forever. +func ioCompletionProcessor(h windows.Handle) { + for { + var bytes uint32 + var key uintptr + var op *ioOperation + err := getQueuedCompletionStatus(h, &bytes, &key, &op, windows.INFINITE) + if op == nil { + panic(err) + } + op.ch <- ioResult{bytes, err} + } +} + +// todo: helsaawy - create an asyncIO version that takes a context + +// asyncIO processes the return value from ReadFile or WriteFile, blocking until +// the operation has actually completed. +func (f *win32File) asyncIO(c *ioOperation, d *deadlineHandler, bytes uint32, err error) (int, error) { + if err != windows.ERROR_IO_PENDING { //nolint:errorlint // err is Errno + return int(bytes), err + } + + if f.closing.Load() { + _ = cancelIoEx(f.handle, &c.o) + } + + var timeout timeoutChan + if d != nil { + d.channelLock.Lock() + timeout = d.channel + d.channelLock.Unlock() + } + + var r ioResult + select { + case r = <-c.ch: + err = r.err + if err == windows.ERROR_OPERATION_ABORTED { //nolint:errorlint // err is Errno + if f.closing.Load() { + err = ErrFileClosed + } + } else if err != nil && f.socket { + // err is from Win32. Query the overlapped structure to get the winsock error. + var bytes, flags uint32 + err = wsaGetOverlappedResult(f.handle, &c.o, &bytes, false, &flags) + } + case <-timeout: + _ = cancelIoEx(f.handle, &c.o) + r = <-c.ch + err = r.err + if err == windows.ERROR_OPERATION_ABORTED { //nolint:errorlint // err is Errno + err = ErrTimeout + } + } + + // runtime.KeepAlive is needed, as c is passed via native + // code to ioCompletionProcessor, c must remain alive + // until the channel read is complete. + // todo: (de)allocate *ioOperation via win32 heap functions, instead of needing to KeepAlive? + runtime.KeepAlive(c) + return int(r.bytes), err +} + +// Read reads from a file handle. +func (f *win32File) Read(b []byte) (int, error) { + c, err := f.prepareIO() + if err != nil { + return 0, err + } + defer f.wg.Done() + + if f.readDeadline.timedout.Load() { + return 0, ErrTimeout + } + + var bytes uint32 + err = windows.ReadFile(f.handle, b, &bytes, &c.o) + n, err := f.asyncIO(c, &f.readDeadline, bytes, err) + runtime.KeepAlive(b) + + // Handle EOF conditions. + if err == nil && n == 0 && len(b) != 0 { + return 0, io.EOF + } else if err == windows.ERROR_BROKEN_PIPE { //nolint:errorlint // err is Errno + return 0, io.EOF + } + return n, err +} + +// Write writes to a file handle. +func (f *win32File) Write(b []byte) (int, error) { + c, err := f.prepareIO() + if err != nil { + return 0, err + } + defer f.wg.Done() + + if f.writeDeadline.timedout.Load() { + return 0, ErrTimeout + } + + var bytes uint32 + err = windows.WriteFile(f.handle, b, &bytes, &c.o) + n, err := f.asyncIO(c, &f.writeDeadline, bytes, err) + runtime.KeepAlive(b) + return n, err +} + +func (f *win32File) SetReadDeadline(deadline time.Time) error { + return f.readDeadline.set(deadline) +} + +func (f *win32File) SetWriteDeadline(deadline time.Time) error { + return f.writeDeadline.set(deadline) +} + +func (f *win32File) Flush() error { + return windows.FlushFileBuffers(f.handle) +} + +func (f *win32File) Fd() uintptr { + return uintptr(f.handle) +} + +func (d *deadlineHandler) set(deadline time.Time) error { + d.setLock.Lock() + defer d.setLock.Unlock() + + if d.timer != nil { + if !d.timer.Stop() { + <-d.channel + } + d.timer = nil + } + d.timedout.Store(false) + + select { + case <-d.channel: + d.channelLock.Lock() + d.channel = make(chan struct{}) + d.channelLock.Unlock() + default: + } + + if deadline.IsZero() { + return nil + } + + timeoutIO := func() { + d.timedout.Store(true) + close(d.channel) + } + + now := time.Now() + duration := deadline.Sub(now) + if deadline.After(now) { + // Deadline is in the future, set a timer to wait + d.timer = time.AfterFunc(duration, timeoutIO) + } else { + // Deadline is in the past. Cancel all pending IO now. + timeoutIO() + } + return nil +} diff --git a/vendor/github.com/Microsoft/go-winio/fileinfo.go b/vendor/github.com/Microsoft/go-winio/fileinfo.go new file mode 100644 index 000000000..c860eb991 --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/fileinfo.go @@ -0,0 +1,106 @@ +//go:build windows +// +build windows + +package winio + +import ( + "os" + "runtime" + "unsafe" + + "golang.org/x/sys/windows" +) + +// FileBasicInfo contains file access time and file attributes information. +type FileBasicInfo struct { + CreationTime, LastAccessTime, LastWriteTime, ChangeTime windows.Filetime + FileAttributes uint32 + _ uint32 // padding +} + +// alignedFileBasicInfo is a FileBasicInfo, but aligned to uint64 by containing +// uint64 rather than windows.Filetime. Filetime contains two uint32s. uint64 +// alignment is necessary to pass this as FILE_BASIC_INFO. +type alignedFileBasicInfo struct { + CreationTime, LastAccessTime, LastWriteTime, ChangeTime uint64 + FileAttributes uint32 + _ uint32 // padding +} + +// GetFileBasicInfo retrieves times and attributes for a file. +func GetFileBasicInfo(f *os.File) (*FileBasicInfo, error) { + bi := &alignedFileBasicInfo{} + if err := windows.GetFileInformationByHandleEx( + windows.Handle(f.Fd()), + windows.FileBasicInfo, + (*byte)(unsafe.Pointer(bi)), + uint32(unsafe.Sizeof(*bi)), + ); err != nil { + return nil, &os.PathError{Op: "GetFileInformationByHandleEx", Path: f.Name(), Err: err} + } + runtime.KeepAlive(f) + // Reinterpret the alignedFileBasicInfo as a FileBasicInfo so it matches the + // public API of this module. The data may be unnecessarily aligned. + return (*FileBasicInfo)(unsafe.Pointer(bi)), nil +} + +// SetFileBasicInfo sets times and attributes for a file. +func SetFileBasicInfo(f *os.File, bi *FileBasicInfo) error { + // Create an alignedFileBasicInfo based on a FileBasicInfo. The copy is + // suitable to pass to GetFileInformationByHandleEx. + biAligned := *(*alignedFileBasicInfo)(unsafe.Pointer(bi)) + if err := windows.SetFileInformationByHandle( + windows.Handle(f.Fd()), + windows.FileBasicInfo, + (*byte)(unsafe.Pointer(&biAligned)), + uint32(unsafe.Sizeof(biAligned)), + ); err != nil { + return &os.PathError{Op: "SetFileInformationByHandle", Path: f.Name(), Err: err} + } + runtime.KeepAlive(f) + return nil +} + +// FileStandardInfo contains extended information for the file. +// FILE_STANDARD_INFO in WinBase.h +// https://docs.microsoft.com/en-us/windows/win32/api/winbase/ns-winbase-file_standard_info +type FileStandardInfo struct { + AllocationSize, EndOfFile int64 + NumberOfLinks uint32 + DeletePending, Directory bool +} + +// GetFileStandardInfo retrieves ended information for the file. +func GetFileStandardInfo(f *os.File) (*FileStandardInfo, error) { + si := &FileStandardInfo{} + if err := windows.GetFileInformationByHandleEx(windows.Handle(f.Fd()), + windows.FileStandardInfo, + (*byte)(unsafe.Pointer(si)), + uint32(unsafe.Sizeof(*si))); err != nil { + return nil, &os.PathError{Op: "GetFileInformationByHandleEx", Path: f.Name(), Err: err} + } + runtime.KeepAlive(f) + return si, nil +} + +// FileIDInfo contains the volume serial number and file ID for a file. This pair should be +// unique on a system. +type FileIDInfo struct { + VolumeSerialNumber uint64 + FileID [16]byte +} + +// GetFileID retrieves the unique (volume, file ID) pair for a file. +func GetFileID(f *os.File) (*FileIDInfo, error) { + fileID := &FileIDInfo{} + if err := windows.GetFileInformationByHandleEx( + windows.Handle(f.Fd()), + windows.FileIdInfo, + (*byte)(unsafe.Pointer(fileID)), + uint32(unsafe.Sizeof(*fileID)), + ); err != nil { + return nil, &os.PathError{Op: "GetFileInformationByHandleEx", Path: f.Name(), Err: err} + } + runtime.KeepAlive(f) + return fileID, nil +} diff --git a/vendor/github.com/Microsoft/go-winio/hvsock.go b/vendor/github.com/Microsoft/go-winio/hvsock.go new file mode 100644 index 000000000..c4fdd9d4a --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/hvsock.go @@ -0,0 +1,582 @@ +//go:build windows +// +build windows + +package winio + +import ( + "context" + "errors" + "fmt" + "io" + "net" + "os" + "time" + "unsafe" + + "golang.org/x/sys/windows" + + "github.com/Microsoft/go-winio/internal/socket" + "github.com/Microsoft/go-winio/pkg/guid" +) + +const afHVSock = 34 // AF_HYPERV + +// Well known Service and VM IDs +// https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/user-guide/make-integration-service#vmid-wildcards + +// HvsockGUIDWildcard is the wildcard VmId for accepting connections from all partitions. +func HvsockGUIDWildcard() guid.GUID { // 00000000-0000-0000-0000-000000000000 + return guid.GUID{} +} + +// HvsockGUIDBroadcast is the wildcard VmId for broadcasting sends to all partitions. +func HvsockGUIDBroadcast() guid.GUID { // ffffffff-ffff-ffff-ffff-ffffffffffff + return guid.GUID{ + Data1: 0xffffffff, + Data2: 0xffff, + Data3: 0xffff, + Data4: [8]uint8{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, + } +} + +// HvsockGUIDLoopback is the Loopback VmId for accepting connections to the same partition as the connector. +func HvsockGUIDLoopback() guid.GUID { // e0e16197-dd56-4a10-9195-5ee7a155a838 + return guid.GUID{ + Data1: 0xe0e16197, + Data2: 0xdd56, + Data3: 0x4a10, + Data4: [8]uint8{0x91, 0x95, 0x5e, 0xe7, 0xa1, 0x55, 0xa8, 0x38}, + } +} + +// HvsockGUIDSiloHost is the address of a silo's host partition: +// - The silo host of a hosted silo is the utility VM. +// - The silo host of a silo on a physical host is the physical host. +func HvsockGUIDSiloHost() guid.GUID { // 36bd0c5c-7276-4223-88ba-7d03b654c568 + return guid.GUID{ + Data1: 0x36bd0c5c, + Data2: 0x7276, + Data3: 0x4223, + Data4: [8]byte{0x88, 0xba, 0x7d, 0x03, 0xb6, 0x54, 0xc5, 0x68}, + } +} + +// HvsockGUIDChildren is the wildcard VmId for accepting connections from the connector's child partitions. +func HvsockGUIDChildren() guid.GUID { // 90db8b89-0d35-4f79-8ce9-49ea0ac8b7cd + return guid.GUID{ + Data1: 0x90db8b89, + Data2: 0xd35, + Data3: 0x4f79, + Data4: [8]uint8{0x8c, 0xe9, 0x49, 0xea, 0xa, 0xc8, 0xb7, 0xcd}, + } +} + +// HvsockGUIDParent is the wildcard VmId for accepting connections from the connector's parent partition. +// Listening on this VmId accepts connection from: +// - Inside silos: silo host partition. +// - Inside hosted silo: host of the VM. +// - Inside VM: VM host. +// - Physical host: Not supported. +func HvsockGUIDParent() guid.GUID { // a42e7cda-d03f-480c-9cc2-a4de20abb878 + return guid.GUID{ + Data1: 0xa42e7cda, + Data2: 0xd03f, + Data3: 0x480c, + Data4: [8]uint8{0x9c, 0xc2, 0xa4, 0xde, 0x20, 0xab, 0xb8, 0x78}, + } +} + +// hvsockVsockServiceTemplate is the Service GUID used for the VSOCK protocol. +func hvsockVsockServiceTemplate() guid.GUID { // 00000000-facb-11e6-bd58-64006a7986d3 + return guid.GUID{ + Data2: 0xfacb, + Data3: 0x11e6, + Data4: [8]uint8{0xbd, 0x58, 0x64, 0x00, 0x6a, 0x79, 0x86, 0xd3}, + } +} + +// An HvsockAddr is an address for a AF_HYPERV socket. +type HvsockAddr struct { + VMID guid.GUID + ServiceID guid.GUID +} + +type rawHvsockAddr struct { + Family uint16 + _ uint16 + VMID guid.GUID + ServiceID guid.GUID +} + +var _ socket.RawSockaddr = &rawHvsockAddr{} + +// Network returns the address's network name, "hvsock". +func (*HvsockAddr) Network() string { + return "hvsock" +} + +func (addr *HvsockAddr) String() string { + return fmt.Sprintf("%s:%s", &addr.VMID, &addr.ServiceID) +} + +// VsockServiceID returns an hvsock service ID corresponding to the specified AF_VSOCK port. +func VsockServiceID(port uint32) guid.GUID { + g := hvsockVsockServiceTemplate() // make a copy + g.Data1 = port + return g +} + +func (addr *HvsockAddr) raw() rawHvsockAddr { + return rawHvsockAddr{ + Family: afHVSock, + VMID: addr.VMID, + ServiceID: addr.ServiceID, + } +} + +func (addr *HvsockAddr) fromRaw(raw *rawHvsockAddr) { + addr.VMID = raw.VMID + addr.ServiceID = raw.ServiceID +} + +// Sockaddr returns a pointer to and the size of this struct. +// +// Implements the [socket.RawSockaddr] interface, and allows use in +// [socket.Bind] and [socket.ConnectEx]. +func (r *rawHvsockAddr) Sockaddr() (unsafe.Pointer, int32, error) { + return unsafe.Pointer(r), int32(unsafe.Sizeof(rawHvsockAddr{})), nil +} + +// Sockaddr interface allows use with `sockets.Bind()` and `.ConnectEx()`. +func (r *rawHvsockAddr) FromBytes(b []byte) error { + n := int(unsafe.Sizeof(rawHvsockAddr{})) + + if len(b) < n { + return fmt.Errorf("got %d, want %d: %w", len(b), n, socket.ErrBufferSize) + } + + copy(unsafe.Slice((*byte)(unsafe.Pointer(r)), n), b[:n]) + if r.Family != afHVSock { + return fmt.Errorf("got %d, want %d: %w", r.Family, afHVSock, socket.ErrAddrFamily) + } + + return nil +} + +// HvsockListener is a socket listener for the AF_HYPERV address family. +type HvsockListener struct { + sock *win32File + addr HvsockAddr +} + +var _ net.Listener = &HvsockListener{} + +// HvsockConn is a connected socket of the AF_HYPERV address family. +type HvsockConn struct { + sock *win32File + local, remote HvsockAddr +} + +var _ net.Conn = &HvsockConn{} + +func newHVSocket() (*win32File, error) { + fd, err := windows.Socket(afHVSock, windows.SOCK_STREAM, 1) + if err != nil { + return nil, os.NewSyscallError("socket", err) + } + f, err := makeWin32File(fd) + if err != nil { + windows.Close(fd) + return nil, err + } + f.socket = true + return f, nil +} + +// ListenHvsock listens for connections on the specified hvsock address. +func ListenHvsock(addr *HvsockAddr) (_ *HvsockListener, err error) { + l := &HvsockListener{addr: *addr} + + var sock *win32File + sock, err = newHVSocket() + if err != nil { + return nil, l.opErr("listen", err) + } + defer func() { + if err != nil { + _ = sock.Close() + } + }() + + sa := addr.raw() + err = socket.Bind(sock.handle, &sa) + if err != nil { + return nil, l.opErr("listen", os.NewSyscallError("socket", err)) + } + err = windows.Listen(sock.handle, 16) + if err != nil { + return nil, l.opErr("listen", os.NewSyscallError("listen", err)) + } + return &HvsockListener{sock: sock, addr: *addr}, nil +} + +func (l *HvsockListener) opErr(op string, err error) error { + return &net.OpError{Op: op, Net: "hvsock", Addr: &l.addr, Err: err} +} + +// Addr returns the listener's network address. +func (l *HvsockListener) Addr() net.Addr { + return &l.addr +} + +// Accept waits for the next connection and returns it. +func (l *HvsockListener) Accept() (_ net.Conn, err error) { + sock, err := newHVSocket() + if err != nil { + return nil, l.opErr("accept", err) + } + defer func() { + if sock != nil { + sock.Close() + } + }() + c, err := l.sock.prepareIO() + if err != nil { + return nil, l.opErr("accept", err) + } + defer l.sock.wg.Done() + + // AcceptEx, per documentation, requires an extra 16 bytes per address. + // + // https://docs.microsoft.com/en-us/windows/win32/api/mswsock/nf-mswsock-acceptex + const addrlen = uint32(16 + unsafe.Sizeof(rawHvsockAddr{})) + var addrbuf [addrlen * 2]byte + + var bytes uint32 + err = windows.AcceptEx(l.sock.handle, sock.handle, &addrbuf[0], 0 /* rxdatalen */, addrlen, addrlen, &bytes, &c.o) + if _, err = l.sock.asyncIO(c, nil, bytes, err); err != nil { + return nil, l.opErr("accept", os.NewSyscallError("acceptex", err)) + } + + conn := &HvsockConn{ + sock: sock, + } + // The local address returned in the AcceptEx buffer is the same as the Listener socket's + // address. However, the service GUID reported by GetSockName is different from the Listeners + // socket, and is sometimes the same as the local address of the socket that dialed the + // address, with the service GUID.Data1 incremented, but othertimes is different. + // todo: does the local address matter? is the listener's address or the actual address appropriate? + conn.local.fromRaw((*rawHvsockAddr)(unsafe.Pointer(&addrbuf[0]))) + conn.remote.fromRaw((*rawHvsockAddr)(unsafe.Pointer(&addrbuf[addrlen]))) + + // initialize the accepted socket and update its properties with those of the listening socket + if err = windows.Setsockopt(sock.handle, + windows.SOL_SOCKET, windows.SO_UPDATE_ACCEPT_CONTEXT, + (*byte)(unsafe.Pointer(&l.sock.handle)), int32(unsafe.Sizeof(l.sock.handle))); err != nil { + return nil, conn.opErr("accept", os.NewSyscallError("setsockopt", err)) + } + + sock = nil + return conn, nil +} + +// Close closes the listener, causing any pending Accept calls to fail. +func (l *HvsockListener) Close() error { + return l.sock.Close() +} + +// HvsockDialer configures and dials a Hyper-V Socket (ie, [HvsockConn]). +type HvsockDialer struct { + // Deadline is the time the Dial operation must connect before erroring. + Deadline time.Time + + // Retries is the number of additional connects to try if the connection times out, is refused, + // or the host is unreachable + Retries uint + + // RetryWait is the time to wait after a connection error to retry + RetryWait time.Duration + + rt *time.Timer // redial wait timer +} + +// Dial the Hyper-V socket at addr. +// +// See [HvsockDialer.Dial] for more information. +func Dial(ctx context.Context, addr *HvsockAddr) (conn *HvsockConn, err error) { + return (&HvsockDialer{}).Dial(ctx, addr) +} + +// Dial attempts to connect to the Hyper-V socket at addr, and returns a connection if successful. +// Will attempt (HvsockDialer).Retries if dialing fails, waiting (HvsockDialer).RetryWait between +// retries. +// +// Dialing can be cancelled either by providing (HvsockDialer).Deadline, or cancelling ctx. +func (d *HvsockDialer) Dial(ctx context.Context, addr *HvsockAddr) (conn *HvsockConn, err error) { + op := "dial" + // create the conn early to use opErr() + conn = &HvsockConn{ + remote: *addr, + } + + if !d.Deadline.IsZero() { + var cancel context.CancelFunc + ctx, cancel = context.WithDeadline(ctx, d.Deadline) + defer cancel() + } + + // preemptive timeout/cancellation check + if err = ctx.Err(); err != nil { + return nil, conn.opErr(op, err) + } + + sock, err := newHVSocket() + if err != nil { + return nil, conn.opErr(op, err) + } + defer func() { + if sock != nil { + sock.Close() + } + }() + + sa := addr.raw() + err = socket.Bind(sock.handle, &sa) + if err != nil { + return nil, conn.opErr(op, os.NewSyscallError("bind", err)) + } + + c, err := sock.prepareIO() + if err != nil { + return nil, conn.opErr(op, err) + } + defer sock.wg.Done() + var bytes uint32 + for i := uint(0); i <= d.Retries; i++ { + err = socket.ConnectEx( + sock.handle, + &sa, + nil, // sendBuf + 0, // sendDataLen + &bytes, + (*windows.Overlapped)(unsafe.Pointer(&c.o))) + _, err = sock.asyncIO(c, nil, bytes, err) + if i < d.Retries && canRedial(err) { + if err = d.redialWait(ctx); err == nil { + continue + } + } + break + } + if err != nil { + return nil, conn.opErr(op, os.NewSyscallError("connectex", err)) + } + + // update the connection properties, so shutdown can be used + if err = windows.Setsockopt( + sock.handle, + windows.SOL_SOCKET, + windows.SO_UPDATE_CONNECT_CONTEXT, + nil, // optvalue + 0, // optlen + ); err != nil { + return nil, conn.opErr(op, os.NewSyscallError("setsockopt", err)) + } + + // get the local name + var sal rawHvsockAddr + err = socket.GetSockName(sock.handle, &sal) + if err != nil { + return nil, conn.opErr(op, os.NewSyscallError("getsockname", err)) + } + conn.local.fromRaw(&sal) + + // one last check for timeout, since asyncIO doesn't check the context + if err = ctx.Err(); err != nil { + return nil, conn.opErr(op, err) + } + + conn.sock = sock + sock = nil + + return conn, nil +} + +// redialWait waits before attempting to redial, resetting the timer as appropriate. +func (d *HvsockDialer) redialWait(ctx context.Context) (err error) { + if d.RetryWait == 0 { + return nil + } + + if d.rt == nil { + d.rt = time.NewTimer(d.RetryWait) + } else { + // should already be stopped and drained + d.rt.Reset(d.RetryWait) + } + + select { + case <-ctx.Done(): + case <-d.rt.C: + return nil + } + + // stop and drain the timer + if !d.rt.Stop() { + <-d.rt.C + } + return ctx.Err() +} + +// assumes error is a plain, unwrapped windows.Errno provided by direct syscall. +func canRedial(err error) bool { + //nolint:errorlint // guaranteed to be an Errno + switch err { + case windows.WSAECONNREFUSED, windows.WSAENETUNREACH, windows.WSAETIMEDOUT, + windows.ERROR_CONNECTION_REFUSED, windows.ERROR_CONNECTION_UNAVAIL: + return true + default: + return false + } +} + +func (conn *HvsockConn) opErr(op string, err error) error { + // translate from "file closed" to "socket closed" + if errors.Is(err, ErrFileClosed) { + err = socket.ErrSocketClosed + } + return &net.OpError{Op: op, Net: "hvsock", Source: &conn.local, Addr: &conn.remote, Err: err} +} + +func (conn *HvsockConn) Read(b []byte) (int, error) { + c, err := conn.sock.prepareIO() + if err != nil { + return 0, conn.opErr("read", err) + } + defer conn.sock.wg.Done() + buf := windows.WSABuf{Buf: &b[0], Len: uint32(len(b))} + var flags, bytes uint32 + err = windows.WSARecv(conn.sock.handle, &buf, 1, &bytes, &flags, &c.o, nil) + n, err := conn.sock.asyncIO(c, &conn.sock.readDeadline, bytes, err) + if err != nil { + var eno windows.Errno + if errors.As(err, &eno) { + err = os.NewSyscallError("wsarecv", eno) + } + return 0, conn.opErr("read", err) + } else if n == 0 { + err = io.EOF + } + return n, err +} + +func (conn *HvsockConn) Write(b []byte) (int, error) { + t := 0 + for len(b) != 0 { + n, err := conn.write(b) + if err != nil { + return t + n, err + } + t += n + b = b[n:] + } + return t, nil +} + +func (conn *HvsockConn) write(b []byte) (int, error) { + c, err := conn.sock.prepareIO() + if err != nil { + return 0, conn.opErr("write", err) + } + defer conn.sock.wg.Done() + buf := windows.WSABuf{Buf: &b[0], Len: uint32(len(b))} + var bytes uint32 + err = windows.WSASend(conn.sock.handle, &buf, 1, &bytes, 0, &c.o, nil) + n, err := conn.sock.asyncIO(c, &conn.sock.writeDeadline, bytes, err) + if err != nil { + var eno windows.Errno + if errors.As(err, &eno) { + err = os.NewSyscallError("wsasend", eno) + } + return 0, conn.opErr("write", err) + } + return n, err +} + +// Close closes the socket connection, failing any pending read or write calls. +func (conn *HvsockConn) Close() error { + return conn.sock.Close() +} + +func (conn *HvsockConn) IsClosed() bool { + return conn.sock.IsClosed() +} + +// shutdown disables sending or receiving on a socket. +func (conn *HvsockConn) shutdown(how int) error { + if conn.IsClosed() { + return socket.ErrSocketClosed + } + + err := windows.Shutdown(conn.sock.handle, how) + if err != nil { + // If the connection was closed, shutdowns fail with "not connected" + if errors.Is(err, windows.WSAENOTCONN) || + errors.Is(err, windows.WSAESHUTDOWN) { + err = socket.ErrSocketClosed + } + return os.NewSyscallError("shutdown", err) + } + return nil +} + +// CloseRead shuts down the read end of the socket, preventing future read operations. +func (conn *HvsockConn) CloseRead() error { + err := conn.shutdown(windows.SHUT_RD) + if err != nil { + return conn.opErr("closeread", err) + } + return nil +} + +// CloseWrite shuts down the write end of the socket, preventing future write operations and +// notifying the other endpoint that no more data will be written. +func (conn *HvsockConn) CloseWrite() error { + err := conn.shutdown(windows.SHUT_WR) + if err != nil { + return conn.opErr("closewrite", err) + } + return nil +} + +// LocalAddr returns the local address of the connection. +func (conn *HvsockConn) LocalAddr() net.Addr { + return &conn.local +} + +// RemoteAddr returns the remote address of the connection. +func (conn *HvsockConn) RemoteAddr() net.Addr { + return &conn.remote +} + +// SetDeadline implements the net.Conn SetDeadline method. +func (conn *HvsockConn) SetDeadline(t time.Time) error { + // todo: implement `SetDeadline` for `win32File` + if err := conn.SetReadDeadline(t); err != nil { + return fmt.Errorf("set read deadline: %w", err) + } + if err := conn.SetWriteDeadline(t); err != nil { + return fmt.Errorf("set write deadline: %w", err) + } + return nil +} + +// SetReadDeadline implements the net.Conn SetReadDeadline method. +func (conn *HvsockConn) SetReadDeadline(t time.Time) error { + return conn.sock.SetReadDeadline(t) +} + +// SetWriteDeadline implements the net.Conn SetWriteDeadline method. +func (conn *HvsockConn) SetWriteDeadline(t time.Time) error { + return conn.sock.SetWriteDeadline(t) +} diff --git a/vendor/github.com/Microsoft/go-winio/internal/fs/doc.go b/vendor/github.com/Microsoft/go-winio/internal/fs/doc.go new file mode 100644 index 000000000..1f6538817 --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/internal/fs/doc.go @@ -0,0 +1,2 @@ +// This package contains Win32 filesystem functionality. +package fs diff --git a/vendor/github.com/Microsoft/go-winio/internal/fs/fs.go b/vendor/github.com/Microsoft/go-winio/internal/fs/fs.go new file mode 100644 index 000000000..0cd9621df --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/internal/fs/fs.go @@ -0,0 +1,262 @@ +//go:build windows + +package fs + +import ( + "golang.org/x/sys/windows" + + "github.com/Microsoft/go-winio/internal/stringbuffer" +) + +//go:generate go run github.com/Microsoft/go-winio/tools/mkwinsyscall -output zsyscall_windows.go fs.go + +// https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-createfilew +//sys CreateFile(name string, access AccessMask, mode FileShareMode, sa *windows.SecurityAttributes, createmode FileCreationDisposition, attrs FileFlagOrAttribute, templatefile windows.Handle) (handle windows.Handle, err error) [failretval==windows.InvalidHandle] = CreateFileW + +const NullHandle windows.Handle = 0 + +// AccessMask defines standard, specific, and generic rights. +// +// Used with CreateFile and NtCreateFile (and co.). +// +// Bitmask: +// 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 +// 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 +// +---------------+---------------+-------------------------------+ +// |G|G|G|G|Resvd|A| StandardRights| SpecificRights | +// |R|W|E|A| |S| | | +// +-+-------------+---------------+-------------------------------+ +// +// GR Generic Read +// GW Generic Write +// GE Generic Exectue +// GA Generic All +// Resvd Reserved +// AS Access Security System +// +// https://learn.microsoft.com/en-us/windows/win32/secauthz/access-mask +// +// https://learn.microsoft.com/en-us/windows/win32/secauthz/generic-access-rights +// +// https://learn.microsoft.com/en-us/windows/win32/fileio/file-access-rights-constants +type AccessMask = windows.ACCESS_MASK + +//nolint:revive // SNAKE_CASE is not idiomatic in Go, but aligned with Win32 API. +const ( + // Not actually any. + // + // For CreateFile: "query certain metadata such as file, directory, or device attributes without accessing that file or device" + // https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-createfilew#parameters + FILE_ANY_ACCESS AccessMask = 0 + + GENERIC_READ AccessMask = 0x8000_0000 + GENERIC_WRITE AccessMask = 0x4000_0000 + GENERIC_EXECUTE AccessMask = 0x2000_0000 + GENERIC_ALL AccessMask = 0x1000_0000 + ACCESS_SYSTEM_SECURITY AccessMask = 0x0100_0000 + + // Specific Object Access + // from ntioapi.h + + FILE_READ_DATA AccessMask = (0x0001) // file & pipe + FILE_LIST_DIRECTORY AccessMask = (0x0001) // directory + + FILE_WRITE_DATA AccessMask = (0x0002) // file & pipe + FILE_ADD_FILE AccessMask = (0x0002) // directory + + FILE_APPEND_DATA AccessMask = (0x0004) // file + FILE_ADD_SUBDIRECTORY AccessMask = (0x0004) // directory + FILE_CREATE_PIPE_INSTANCE AccessMask = (0x0004) // named pipe + + FILE_READ_EA AccessMask = (0x0008) // file & directory + FILE_READ_PROPERTIES AccessMask = FILE_READ_EA + + FILE_WRITE_EA AccessMask = (0x0010) // file & directory + FILE_WRITE_PROPERTIES AccessMask = FILE_WRITE_EA + + FILE_EXECUTE AccessMask = (0x0020) // file + FILE_TRAVERSE AccessMask = (0x0020) // directory + + FILE_DELETE_CHILD AccessMask = (0x0040) // directory + + FILE_READ_ATTRIBUTES AccessMask = (0x0080) // all + + FILE_WRITE_ATTRIBUTES AccessMask = (0x0100) // all + + FILE_ALL_ACCESS AccessMask = (STANDARD_RIGHTS_REQUIRED | SYNCHRONIZE | 0x1FF) + FILE_GENERIC_READ AccessMask = (STANDARD_RIGHTS_READ | FILE_READ_DATA | FILE_READ_ATTRIBUTES | FILE_READ_EA | SYNCHRONIZE) + FILE_GENERIC_WRITE AccessMask = (STANDARD_RIGHTS_WRITE | FILE_WRITE_DATA | FILE_WRITE_ATTRIBUTES | FILE_WRITE_EA | FILE_APPEND_DATA | SYNCHRONIZE) + FILE_GENERIC_EXECUTE AccessMask = (STANDARD_RIGHTS_EXECUTE | FILE_READ_ATTRIBUTES | FILE_EXECUTE | SYNCHRONIZE) + + SPECIFIC_RIGHTS_ALL AccessMask = 0x0000FFFF + + // Standard Access + // from ntseapi.h + + DELETE AccessMask = 0x0001_0000 + READ_CONTROL AccessMask = 0x0002_0000 + WRITE_DAC AccessMask = 0x0004_0000 + WRITE_OWNER AccessMask = 0x0008_0000 + SYNCHRONIZE AccessMask = 0x0010_0000 + + STANDARD_RIGHTS_REQUIRED AccessMask = 0x000F_0000 + + STANDARD_RIGHTS_READ AccessMask = READ_CONTROL + STANDARD_RIGHTS_WRITE AccessMask = READ_CONTROL + STANDARD_RIGHTS_EXECUTE AccessMask = READ_CONTROL + + STANDARD_RIGHTS_ALL AccessMask = 0x001F_0000 +) + +type FileShareMode uint32 + +//nolint:revive // SNAKE_CASE is not idiomatic in Go, but aligned with Win32 API. +const ( + FILE_SHARE_NONE FileShareMode = 0x00 + FILE_SHARE_READ FileShareMode = 0x01 + FILE_SHARE_WRITE FileShareMode = 0x02 + FILE_SHARE_DELETE FileShareMode = 0x04 + FILE_SHARE_VALID_FLAGS FileShareMode = 0x07 +) + +type FileCreationDisposition uint32 + +//nolint:revive // SNAKE_CASE is not idiomatic in Go, but aligned with Win32 API. +const ( + // from winbase.h + + CREATE_NEW FileCreationDisposition = 0x01 + CREATE_ALWAYS FileCreationDisposition = 0x02 + OPEN_EXISTING FileCreationDisposition = 0x03 + OPEN_ALWAYS FileCreationDisposition = 0x04 + TRUNCATE_EXISTING FileCreationDisposition = 0x05 +) + +// Create disposition values for NtCreate* +type NTFileCreationDisposition uint32 + +//nolint:revive // SNAKE_CASE is not idiomatic in Go, but aligned with Win32 API. +const ( + // From ntioapi.h + + FILE_SUPERSEDE NTFileCreationDisposition = 0x00 + FILE_OPEN NTFileCreationDisposition = 0x01 + FILE_CREATE NTFileCreationDisposition = 0x02 + FILE_OPEN_IF NTFileCreationDisposition = 0x03 + FILE_OVERWRITE NTFileCreationDisposition = 0x04 + FILE_OVERWRITE_IF NTFileCreationDisposition = 0x05 + FILE_MAXIMUM_DISPOSITION NTFileCreationDisposition = 0x05 +) + +// CreateFile and co. take flags or attributes together as one parameter. +// Define alias until we can use generics to allow both +// +// https://learn.microsoft.com/en-us/windows/win32/fileio/file-attribute-constants +type FileFlagOrAttribute uint32 + +//nolint:revive // SNAKE_CASE is not idiomatic in Go, but aligned with Win32 API. +const ( + // from winnt.h + + FILE_FLAG_WRITE_THROUGH FileFlagOrAttribute = 0x8000_0000 + FILE_FLAG_OVERLAPPED FileFlagOrAttribute = 0x4000_0000 + FILE_FLAG_NO_BUFFERING FileFlagOrAttribute = 0x2000_0000 + FILE_FLAG_RANDOM_ACCESS FileFlagOrAttribute = 0x1000_0000 + FILE_FLAG_SEQUENTIAL_SCAN FileFlagOrAttribute = 0x0800_0000 + FILE_FLAG_DELETE_ON_CLOSE FileFlagOrAttribute = 0x0400_0000 + FILE_FLAG_BACKUP_SEMANTICS FileFlagOrAttribute = 0x0200_0000 + FILE_FLAG_POSIX_SEMANTICS FileFlagOrAttribute = 0x0100_0000 + FILE_FLAG_OPEN_REPARSE_POINT FileFlagOrAttribute = 0x0020_0000 + FILE_FLAG_OPEN_NO_RECALL FileFlagOrAttribute = 0x0010_0000 + FILE_FLAG_FIRST_PIPE_INSTANCE FileFlagOrAttribute = 0x0008_0000 +) + +// NtCreate* functions take a dedicated CreateOptions parameter. +// +// https://learn.microsoft.com/en-us/windows/win32/api/Winternl/nf-winternl-ntcreatefile +// +// https://learn.microsoft.com/en-us/windows/win32/devnotes/nt-create-named-pipe-file +type NTCreateOptions uint32 + +//nolint:revive // SNAKE_CASE is not idiomatic in Go, but aligned with Win32 API. +const ( + // From ntioapi.h + + FILE_DIRECTORY_FILE NTCreateOptions = 0x0000_0001 + FILE_WRITE_THROUGH NTCreateOptions = 0x0000_0002 + FILE_SEQUENTIAL_ONLY NTCreateOptions = 0x0000_0004 + FILE_NO_INTERMEDIATE_BUFFERING NTCreateOptions = 0x0000_0008 + + FILE_SYNCHRONOUS_IO_ALERT NTCreateOptions = 0x0000_0010 + FILE_SYNCHRONOUS_IO_NONALERT NTCreateOptions = 0x0000_0020 + FILE_NON_DIRECTORY_FILE NTCreateOptions = 0x0000_0040 + FILE_CREATE_TREE_CONNECTION NTCreateOptions = 0x0000_0080 + + FILE_COMPLETE_IF_OPLOCKED NTCreateOptions = 0x0000_0100 + FILE_NO_EA_KNOWLEDGE NTCreateOptions = 0x0000_0200 + FILE_DISABLE_TUNNELING NTCreateOptions = 0x0000_0400 + FILE_RANDOM_ACCESS NTCreateOptions = 0x0000_0800 + + FILE_DELETE_ON_CLOSE NTCreateOptions = 0x0000_1000 + FILE_OPEN_BY_FILE_ID NTCreateOptions = 0x0000_2000 + FILE_OPEN_FOR_BACKUP_INTENT NTCreateOptions = 0x0000_4000 + FILE_NO_COMPRESSION NTCreateOptions = 0x0000_8000 +) + +type FileSQSFlag = FileFlagOrAttribute + +//nolint:revive // SNAKE_CASE is not idiomatic in Go, but aligned with Win32 API. +const ( + // from winbase.h + + SECURITY_ANONYMOUS FileSQSFlag = FileSQSFlag(SecurityAnonymous << 16) + SECURITY_IDENTIFICATION FileSQSFlag = FileSQSFlag(SecurityIdentification << 16) + SECURITY_IMPERSONATION FileSQSFlag = FileSQSFlag(SecurityImpersonation << 16) + SECURITY_DELEGATION FileSQSFlag = FileSQSFlag(SecurityDelegation << 16) + + SECURITY_SQOS_PRESENT FileSQSFlag = 0x0010_0000 + SECURITY_VALID_SQOS_FLAGS FileSQSFlag = 0x001F_0000 +) + +// GetFinalPathNameByHandle flags +// +// https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-getfinalpathnamebyhandlew#parameters +type GetFinalPathFlag uint32 + +//nolint:revive // SNAKE_CASE is not idiomatic in Go, but aligned with Win32 API. +const ( + GetFinalPathDefaultFlag GetFinalPathFlag = 0x0 + + FILE_NAME_NORMALIZED GetFinalPathFlag = 0x0 + FILE_NAME_OPENED GetFinalPathFlag = 0x8 + + VOLUME_NAME_DOS GetFinalPathFlag = 0x0 + VOLUME_NAME_GUID GetFinalPathFlag = 0x1 + VOLUME_NAME_NT GetFinalPathFlag = 0x2 + VOLUME_NAME_NONE GetFinalPathFlag = 0x4 +) + +// getFinalPathNameByHandle facilitates calling the Windows API GetFinalPathNameByHandle +// with the given handle and flags. It transparently takes care of creating a buffer of the +// correct size for the call. +// +// https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-getfinalpathnamebyhandlew +func GetFinalPathNameByHandle(h windows.Handle, flags GetFinalPathFlag) (string, error) { + b := stringbuffer.NewWString() + //TODO: can loop infinitely if Win32 keeps returning the same (or a larger) n? + for { + n, err := windows.GetFinalPathNameByHandle(h, b.Pointer(), b.Cap(), uint32(flags)) + if err != nil { + return "", err + } + // If the buffer wasn't large enough, n will be the total size needed (including null terminator). + // Resize and try again. + if n > b.Cap() { + b.ResizeTo(n) + continue + } + // If the buffer is large enough, n will be the size not including the null terminator. + // Convert to a Go string and return. + return b.String(), nil + } +} diff --git a/vendor/github.com/Microsoft/go-winio/internal/fs/security.go b/vendor/github.com/Microsoft/go-winio/internal/fs/security.go new file mode 100644 index 000000000..81760ac67 --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/internal/fs/security.go @@ -0,0 +1,12 @@ +package fs + +// https://learn.microsoft.com/en-us/windows/win32/api/winnt/ne-winnt-security_impersonation_level +type SecurityImpersonationLevel int32 // C default enums underlying type is `int`, which is Go `int32` + +// Impersonation levels +const ( + SecurityAnonymous SecurityImpersonationLevel = 0 + SecurityIdentification SecurityImpersonationLevel = 1 + SecurityImpersonation SecurityImpersonationLevel = 2 + SecurityDelegation SecurityImpersonationLevel = 3 +) diff --git a/vendor/github.com/Microsoft/go-winio/internal/fs/zsyscall_windows.go b/vendor/github.com/Microsoft/go-winio/internal/fs/zsyscall_windows.go new file mode 100644 index 000000000..a94e234c7 --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/internal/fs/zsyscall_windows.go @@ -0,0 +1,61 @@ +//go:build windows + +// Code generated by 'go generate' using "github.com/Microsoft/go-winio/tools/mkwinsyscall"; DO NOT EDIT. + +package fs + +import ( + "syscall" + "unsafe" + + "golang.org/x/sys/windows" +) + +var _ unsafe.Pointer + +// Do the interface allocations only once for common +// Errno values. +const ( + errnoERROR_IO_PENDING = 997 +) + +var ( + errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING) + errERROR_EINVAL error = syscall.EINVAL +) + +// errnoErr returns common boxed Errno values, to prevent +// allocations at runtime. +func errnoErr(e syscall.Errno) error { + switch e { + case 0: + return errERROR_EINVAL + case errnoERROR_IO_PENDING: + return errERROR_IO_PENDING + } + return e +} + +var ( + modkernel32 = windows.NewLazySystemDLL("kernel32.dll") + + procCreateFileW = modkernel32.NewProc("CreateFileW") +) + +func CreateFile(name string, access AccessMask, mode FileShareMode, sa *windows.SecurityAttributes, createmode FileCreationDisposition, attrs FileFlagOrAttribute, templatefile windows.Handle) (handle windows.Handle, err error) { + var _p0 *uint16 + _p0, err = syscall.UTF16PtrFromString(name) + if err != nil { + return + } + return _CreateFile(_p0, access, mode, sa, createmode, attrs, templatefile) +} + +func _CreateFile(name *uint16, access AccessMask, mode FileShareMode, sa *windows.SecurityAttributes, createmode FileCreationDisposition, attrs FileFlagOrAttribute, templatefile windows.Handle) (handle windows.Handle, err error) { + r0, _, e1 := syscall.SyscallN(procCreateFileW.Addr(), uintptr(unsafe.Pointer(name)), uintptr(access), uintptr(mode), uintptr(unsafe.Pointer(sa)), uintptr(createmode), uintptr(attrs), uintptr(templatefile)) + handle = windows.Handle(r0) + if handle == windows.InvalidHandle { + err = errnoErr(e1) + } + return +} diff --git a/vendor/github.com/Microsoft/go-winio/internal/socket/rawaddr.go b/vendor/github.com/Microsoft/go-winio/internal/socket/rawaddr.go new file mode 100644 index 000000000..7e82f9afa --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/internal/socket/rawaddr.go @@ -0,0 +1,20 @@ +package socket + +import ( + "unsafe" +) + +// RawSockaddr allows structs to be used with [Bind] and [ConnectEx]. The +// struct must meet the Win32 sockaddr requirements specified here: +// https://docs.microsoft.com/en-us/windows/win32/winsock/sockaddr-2 +// +// Specifically, the struct size must be least larger than an int16 (unsigned short) +// for the address family. +type RawSockaddr interface { + // Sockaddr returns a pointer to the RawSockaddr and its struct size, allowing + // for the RawSockaddr's data to be overwritten by syscalls (if necessary). + // + // It is the callers responsibility to validate that the values are valid; invalid + // pointers or size can cause a panic. + Sockaddr() (unsafe.Pointer, int32, error) +} diff --git a/vendor/github.com/Microsoft/go-winio/internal/socket/socket.go b/vendor/github.com/Microsoft/go-winio/internal/socket/socket.go new file mode 100644 index 000000000..88580d974 --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/internal/socket/socket.go @@ -0,0 +1,177 @@ +//go:build windows + +package socket + +import ( + "errors" + "fmt" + "net" + "sync" + "syscall" + "unsafe" + + "github.com/Microsoft/go-winio/pkg/guid" + "golang.org/x/sys/windows" +) + +//go:generate go run github.com/Microsoft/go-winio/tools/mkwinsyscall -output zsyscall_windows.go socket.go + +//sys getsockname(s windows.Handle, name unsafe.Pointer, namelen *int32) (err error) [failretval==socketError] = ws2_32.getsockname +//sys getpeername(s windows.Handle, name unsafe.Pointer, namelen *int32) (err error) [failretval==socketError] = ws2_32.getpeername +//sys bind(s windows.Handle, name unsafe.Pointer, namelen int32) (err error) [failretval==socketError] = ws2_32.bind + +const socketError = uintptr(^uint32(0)) + +var ( + // todo(helsaawy): create custom error types to store the desired vs actual size and addr family? + + ErrBufferSize = errors.New("buffer size") + ErrAddrFamily = errors.New("address family") + ErrInvalidPointer = errors.New("invalid pointer") + ErrSocketClosed = fmt.Errorf("socket closed: %w", net.ErrClosed) +) + +// todo(helsaawy): replace these with generics, ie: GetSockName[S RawSockaddr](s windows.Handle) (S, error) + +// GetSockName writes the local address of socket s to the [RawSockaddr] rsa. +// If rsa is not large enough, the [windows.WSAEFAULT] is returned. +func GetSockName(s windows.Handle, rsa RawSockaddr) error { + ptr, l, err := rsa.Sockaddr() + if err != nil { + return fmt.Errorf("could not retrieve socket pointer and size: %w", err) + } + + // although getsockname returns WSAEFAULT if the buffer is too small, it does not set + // &l to the correct size, so--apart from doubling the buffer repeatedly--there is no remedy + return getsockname(s, ptr, &l) +} + +// GetPeerName returns the remote address the socket is connected to. +// +// See [GetSockName] for more information. +func GetPeerName(s windows.Handle, rsa RawSockaddr) error { + ptr, l, err := rsa.Sockaddr() + if err != nil { + return fmt.Errorf("could not retrieve socket pointer and size: %w", err) + } + + return getpeername(s, ptr, &l) +} + +func Bind(s windows.Handle, rsa RawSockaddr) (err error) { + ptr, l, err := rsa.Sockaddr() + if err != nil { + return fmt.Errorf("could not retrieve socket pointer and size: %w", err) + } + + return bind(s, ptr, l) +} + +// "golang.org/x/sys/windows".ConnectEx and .Bind only accept internal implementations of the +// their sockaddr interface, so they cannot be used with HvsockAddr +// Replicate functionality here from +// https://cs.opensource.google/go/x/sys/+/master:windows/syscall_windows.go + +// The function pointers to `AcceptEx`, `ConnectEx` and `GetAcceptExSockaddrs` must be loaded at +// runtime via a WSAIoctl call: +// https://docs.microsoft.com/en-us/windows/win32/api/Mswsock/nc-mswsock-lpfn_connectex#remarks + +type runtimeFunc struct { + id guid.GUID + once sync.Once + addr uintptr + err error +} + +func (f *runtimeFunc) Load() error { + f.once.Do(func() { + var s windows.Handle + s, f.err = windows.Socket(windows.AF_INET, windows.SOCK_STREAM, windows.IPPROTO_TCP) + if f.err != nil { + return + } + defer windows.CloseHandle(s) //nolint:errcheck + + var n uint32 + f.err = windows.WSAIoctl(s, + windows.SIO_GET_EXTENSION_FUNCTION_POINTER, + (*byte)(unsafe.Pointer(&f.id)), + uint32(unsafe.Sizeof(f.id)), + (*byte)(unsafe.Pointer(&f.addr)), + uint32(unsafe.Sizeof(f.addr)), + &n, + nil, // overlapped + 0, // completionRoutine + ) + }) + return f.err +} + +var ( + // todo: add `AcceptEx` and `GetAcceptExSockaddrs` + WSAID_CONNECTEX = guid.GUID{ //revive:disable-line:var-naming ALL_CAPS + Data1: 0x25a207b9, + Data2: 0xddf3, + Data3: 0x4660, + Data4: [8]byte{0x8e, 0xe9, 0x76, 0xe5, 0x8c, 0x74, 0x06, 0x3e}, + } + + connectExFunc = runtimeFunc{id: WSAID_CONNECTEX} +) + +func ConnectEx( + fd windows.Handle, + rsa RawSockaddr, + sendBuf *byte, + sendDataLen uint32, + bytesSent *uint32, + overlapped *windows.Overlapped, +) error { + if err := connectExFunc.Load(); err != nil { + return fmt.Errorf("failed to load ConnectEx function pointer: %w", err) + } + ptr, n, err := rsa.Sockaddr() + if err != nil { + return err + } + return connectEx(fd, ptr, n, sendBuf, sendDataLen, bytesSent, overlapped) +} + +// BOOL LpfnConnectex( +// [in] SOCKET s, +// [in] const sockaddr *name, +// [in] int namelen, +// [in, optional] PVOID lpSendBuffer, +// [in] DWORD dwSendDataLength, +// [out] LPDWORD lpdwBytesSent, +// [in] LPOVERLAPPED lpOverlapped +// ) + +func connectEx( + s windows.Handle, + name unsafe.Pointer, + namelen int32, + sendBuf *byte, + sendDataLen uint32, + bytesSent *uint32, + overlapped *windows.Overlapped, +) (err error) { + r1, _, e1 := syscall.SyscallN(connectExFunc.addr, + uintptr(s), + uintptr(name), + uintptr(namelen), + uintptr(unsafe.Pointer(sendBuf)), + uintptr(sendDataLen), + uintptr(unsafe.Pointer(bytesSent)), + uintptr(unsafe.Pointer(overlapped)), + ) + + if r1 == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return err +} diff --git a/vendor/github.com/Microsoft/go-winio/internal/socket/zsyscall_windows.go b/vendor/github.com/Microsoft/go-winio/internal/socket/zsyscall_windows.go new file mode 100644 index 000000000..e1504126a --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/internal/socket/zsyscall_windows.go @@ -0,0 +1,69 @@ +//go:build windows + +// Code generated by 'go generate' using "github.com/Microsoft/go-winio/tools/mkwinsyscall"; DO NOT EDIT. + +package socket + +import ( + "syscall" + "unsafe" + + "golang.org/x/sys/windows" +) + +var _ unsafe.Pointer + +// Do the interface allocations only once for common +// Errno values. +const ( + errnoERROR_IO_PENDING = 997 +) + +var ( + errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING) + errERROR_EINVAL error = syscall.EINVAL +) + +// errnoErr returns common boxed Errno values, to prevent +// allocations at runtime. +func errnoErr(e syscall.Errno) error { + switch e { + case 0: + return errERROR_EINVAL + case errnoERROR_IO_PENDING: + return errERROR_IO_PENDING + } + return e +} + +var ( + modws2_32 = windows.NewLazySystemDLL("ws2_32.dll") + + procbind = modws2_32.NewProc("bind") + procgetpeername = modws2_32.NewProc("getpeername") + procgetsockname = modws2_32.NewProc("getsockname") +) + +func bind(s windows.Handle, name unsafe.Pointer, namelen int32) (err error) { + r1, _, e1 := syscall.SyscallN(procbind.Addr(), uintptr(s), uintptr(name), uintptr(namelen)) + if r1 == socketError { + err = errnoErr(e1) + } + return +} + +func getpeername(s windows.Handle, name unsafe.Pointer, namelen *int32) (err error) { + r1, _, e1 := syscall.SyscallN(procgetpeername.Addr(), uintptr(s), uintptr(name), uintptr(unsafe.Pointer(namelen))) + if r1 == socketError { + err = errnoErr(e1) + } + return +} + +func getsockname(s windows.Handle, name unsafe.Pointer, namelen *int32) (err error) { + r1, _, e1 := syscall.SyscallN(procgetsockname.Addr(), uintptr(s), uintptr(name), uintptr(unsafe.Pointer(namelen))) + if r1 == socketError { + err = errnoErr(e1) + } + return +} diff --git a/vendor/github.com/Microsoft/go-winio/internal/stringbuffer/wstring.go b/vendor/github.com/Microsoft/go-winio/internal/stringbuffer/wstring.go new file mode 100644 index 000000000..42ebc019f --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/internal/stringbuffer/wstring.go @@ -0,0 +1,132 @@ +package stringbuffer + +import ( + "sync" + "unicode/utf16" +) + +// TODO: worth exporting and using in mkwinsyscall? + +// Uint16BufferSize is the buffer size in the pool, chosen somewhat arbitrarily to accommodate +// large path strings: +// MAX_PATH (260) + size of volume GUID prefix (49) + null terminator = 310. +const MinWStringCap = 310 + +// use *[]uint16 since []uint16 creates an extra allocation where the slice header +// is copied to heap and then referenced via pointer in the interface header that sync.Pool +// stores. +var pathPool = sync.Pool{ // if go1.18+ adds Pool[T], use that to store []uint16 directly + New: func() interface{} { + b := make([]uint16, MinWStringCap) + return &b + }, +} + +func newBuffer() []uint16 { return *(pathPool.Get().(*[]uint16)) } + +// freeBuffer copies the slice header data, and puts a pointer to that in the pool. +// This avoids taking a pointer to the slice header in WString, which can be set to nil. +func freeBuffer(b []uint16) { pathPool.Put(&b) } + +// WString is a wide string buffer ([]uint16) meant for storing UTF-16 encoded strings +// for interacting with Win32 APIs. +// Sizes are specified as uint32 and not int. +// +// It is not thread safe. +type WString struct { + // type-def allows casting to []uint16 directly, use struct to prevent that and allow adding fields in the future. + + // raw buffer + b []uint16 +} + +// NewWString returns a [WString] allocated from a shared pool with an +// initial capacity of at least [MinWStringCap]. +// Since the buffer may have been previously used, its contents are not guaranteed to be empty. +// +// The buffer should be freed via [WString.Free] +func NewWString() *WString { + return &WString{ + b: newBuffer(), + } +} + +func (b *WString) Free() { + if b.empty() { + return + } + freeBuffer(b.b) + b.b = nil +} + +// ResizeTo grows the buffer to at least c and returns the new capacity, freeing the +// previous buffer back into pool. +func (b *WString) ResizeTo(c uint32) uint32 { + // already sufficient (or n is 0) + if c <= b.Cap() { + return b.Cap() + } + + if c <= MinWStringCap { + c = MinWStringCap + } + // allocate at-least double buffer size, as is done in [bytes.Buffer] and other places + if c <= 2*b.Cap() { + c = 2 * b.Cap() + } + + b2 := make([]uint16, c) + if !b.empty() { + copy(b2, b.b) + freeBuffer(b.b) + } + b.b = b2 + return c +} + +// Buffer returns the underlying []uint16 buffer. +func (b *WString) Buffer() []uint16 { + if b.empty() { + return nil + } + return b.b +} + +// Pointer returns a pointer to the first uint16 in the buffer. +// If the [WString.Free] has already been called, the pointer will be nil. +func (b *WString) Pointer() *uint16 { + if b.empty() { + return nil + } + return &b.b[0] +} + +// String returns the returns the UTF-8 encoding of the UTF-16 string in the buffer. +// +// It assumes that the data is null-terminated. +func (b *WString) String() string { + // Using [windows.UTF16ToString] would require importing "golang.org/x/sys/windows" + // and would make this code Windows-only, which makes no sense. + // So copy UTF16ToString code into here. + // If other windows-specific code is added, switch to [windows.UTF16ToString] + + s := b.b + for i, v := range s { + if v == 0 { + s = s[:i] + break + } + } + return string(utf16.Decode(s)) +} + +// Cap returns the underlying buffer capacity. +func (b *WString) Cap() uint32 { + if b.empty() { + return 0 + } + return b.cap() +} + +func (b *WString) cap() uint32 { return uint32(cap(b.b)) } +func (b *WString) empty() bool { return b == nil || b.cap() == 0 } diff --git a/vendor/github.com/Microsoft/go-winio/pipe.go b/vendor/github.com/Microsoft/go-winio/pipe.go new file mode 100644 index 000000000..a2da6639d --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/pipe.go @@ -0,0 +1,586 @@ +//go:build windows +// +build windows + +package winio + +import ( + "context" + "errors" + "fmt" + "io" + "net" + "os" + "runtime" + "time" + "unsafe" + + "golang.org/x/sys/windows" + + "github.com/Microsoft/go-winio/internal/fs" +) + +//sys connectNamedPipe(pipe windows.Handle, o *windows.Overlapped) (err error) = ConnectNamedPipe +//sys createNamedPipe(name string, flags uint32, pipeMode uint32, maxInstances uint32, outSize uint32, inSize uint32, defaultTimeout uint32, sa *windows.SecurityAttributes) (handle windows.Handle, err error) [failretval==windows.InvalidHandle] = CreateNamedPipeW +//sys disconnectNamedPipe(pipe windows.Handle) (err error) = DisconnectNamedPipe +//sys getNamedPipeInfo(pipe windows.Handle, flags *uint32, outSize *uint32, inSize *uint32, maxInstances *uint32) (err error) = GetNamedPipeInfo +//sys getNamedPipeHandleState(pipe windows.Handle, state *uint32, curInstances *uint32, maxCollectionCount *uint32, collectDataTimeout *uint32, userName *uint16, maxUserNameSize uint32) (err error) = GetNamedPipeHandleStateW +//sys ntCreateNamedPipeFile(pipe *windows.Handle, access ntAccessMask, oa *objectAttributes, iosb *ioStatusBlock, share ntFileShareMode, disposition ntFileCreationDisposition, options ntFileOptions, typ uint32, readMode uint32, completionMode uint32, maxInstances uint32, inboundQuota uint32, outputQuota uint32, timeout *int64) (status ntStatus) = ntdll.NtCreateNamedPipeFile +//sys rtlNtStatusToDosError(status ntStatus) (winerr error) = ntdll.RtlNtStatusToDosErrorNoTeb +//sys rtlDosPathNameToNtPathName(name *uint16, ntName *unicodeString, filePart uintptr, reserved uintptr) (status ntStatus) = ntdll.RtlDosPathNameToNtPathName_U +//sys rtlDefaultNpAcl(dacl *uintptr) (status ntStatus) = ntdll.RtlDefaultNpAcl + +type PipeConn interface { + net.Conn + Disconnect() error + Flush() error +} + +// type aliases for mkwinsyscall code +type ( + ntAccessMask = fs.AccessMask + ntFileShareMode = fs.FileShareMode + ntFileCreationDisposition = fs.NTFileCreationDisposition + ntFileOptions = fs.NTCreateOptions +) + +type ioStatusBlock struct { + Status, Information uintptr +} + +// typedef struct _OBJECT_ATTRIBUTES { +// ULONG Length; +// HANDLE RootDirectory; +// PUNICODE_STRING ObjectName; +// ULONG Attributes; +// PVOID SecurityDescriptor; +// PVOID SecurityQualityOfService; +// } OBJECT_ATTRIBUTES; +// +// https://learn.microsoft.com/en-us/windows/win32/api/ntdef/ns-ntdef-_object_attributes +type objectAttributes struct { + Length uintptr + RootDirectory uintptr + ObjectName *unicodeString + Attributes uintptr + SecurityDescriptor *securityDescriptor + SecurityQoS uintptr +} + +type unicodeString struct { + Length uint16 + MaximumLength uint16 + Buffer uintptr +} + +// typedef struct _SECURITY_DESCRIPTOR { +// BYTE Revision; +// BYTE Sbz1; +// SECURITY_DESCRIPTOR_CONTROL Control; +// PSID Owner; +// PSID Group; +// PACL Sacl; +// PACL Dacl; +// } SECURITY_DESCRIPTOR, *PISECURITY_DESCRIPTOR; +// +// https://learn.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-security_descriptor +type securityDescriptor struct { + Revision byte + Sbz1 byte + Control uint16 + Owner uintptr + Group uintptr + Sacl uintptr //revive:disable-line:var-naming SACL, not Sacl + Dacl uintptr //revive:disable-line:var-naming DACL, not Dacl +} + +type ntStatus int32 + +func (status ntStatus) Err() error { + if status >= 0 { + return nil + } + return rtlNtStatusToDosError(status) +} + +var ( + // ErrPipeListenerClosed is returned for pipe operations on listeners that have been closed. + ErrPipeListenerClosed = net.ErrClosed + + errPipeWriteClosed = errors.New("pipe has been closed for write") +) + +type win32Pipe struct { + *win32File + path string +} + +var _ PipeConn = (*win32Pipe)(nil) + +type win32MessageBytePipe struct { + win32Pipe + writeClosed bool + readEOF bool +} + +type pipeAddress string + +func (f *win32Pipe) LocalAddr() net.Addr { + return pipeAddress(f.path) +} + +func (f *win32Pipe) RemoteAddr() net.Addr { + return pipeAddress(f.path) +} + +func (f *win32Pipe) SetDeadline(t time.Time) error { + if err := f.SetReadDeadline(t); err != nil { + return err + } + return f.SetWriteDeadline(t) +} + +func (f *win32Pipe) Disconnect() error { + return disconnectNamedPipe(f.win32File.handle) +} + +// CloseWrite closes the write side of a message pipe in byte mode. +func (f *win32MessageBytePipe) CloseWrite() error { + if f.writeClosed { + return errPipeWriteClosed + } + err := f.win32File.Flush() + if err != nil { + return err + } + _, err = f.win32File.Write(nil) + if err != nil { + return err + } + f.writeClosed = true + return nil +} + +// Write writes bytes to a message pipe in byte mode. Zero-byte writes are ignored, since +// they are used to implement CloseWrite(). +func (f *win32MessageBytePipe) Write(b []byte) (int, error) { + if f.writeClosed { + return 0, errPipeWriteClosed + } + if len(b) == 0 { + return 0, nil + } + return f.win32File.Write(b) +} + +// Read reads bytes from a message pipe in byte mode. A read of a zero-byte message on a message +// mode pipe will return io.EOF, as will all subsequent reads. +func (f *win32MessageBytePipe) Read(b []byte) (int, error) { + if f.readEOF { + return 0, io.EOF + } + n, err := f.win32File.Read(b) + if err == io.EOF { //nolint:errorlint + // If this was the result of a zero-byte read, then + // it is possible that the read was due to a zero-size + // message. Since we are simulating CloseWrite with a + // zero-byte message, ensure that all future Read() calls + // also return EOF. + f.readEOF = true + } else if err == windows.ERROR_MORE_DATA { //nolint:errorlint // err is Errno + // ERROR_MORE_DATA indicates that the pipe's read mode is message mode + // and the message still has more bytes. Treat this as a success, since + // this package presents all named pipes as byte streams. + err = nil + } + return n, err +} + +func (pipeAddress) Network() string { + return "pipe" +} + +func (s pipeAddress) String() string { + return string(s) +} + +// tryDialPipe attempts to dial the pipe at `path` until `ctx` cancellation or timeout. +func tryDialPipe(ctx context.Context, path *string, access fs.AccessMask, impLevel PipeImpLevel) (windows.Handle, error) { + for { + select { + case <-ctx.Done(): + return windows.Handle(0), ctx.Err() + default: + h, err := fs.CreateFile(*path, + access, + 0, // mode + nil, // security attributes + fs.OPEN_EXISTING, + fs.FILE_FLAG_OVERLAPPED|fs.SECURITY_SQOS_PRESENT|fs.FileSQSFlag(impLevel), + 0, // template file handle + ) + if err == nil { + return h, nil + } + if err != windows.ERROR_PIPE_BUSY { //nolint:errorlint // err is Errno + return h, &os.PathError{Err: err, Op: "open", Path: *path} + } + // Wait 10 msec and try again. This is a rather simplistic + // view, as we always try each 10 milliseconds. + time.Sleep(10 * time.Millisecond) + } + } +} + +// DialPipe connects to a named pipe by path, timing out if the connection +// takes longer than the specified duration. If timeout is nil, then we use +// a default timeout of 2 seconds. (We do not use WaitNamedPipe.) +func DialPipe(path string, timeout *time.Duration) (net.Conn, error) { + var absTimeout time.Time + if timeout != nil { + absTimeout = time.Now().Add(*timeout) + } else { + absTimeout = time.Now().Add(2 * time.Second) + } + ctx, cancel := context.WithDeadline(context.Background(), absTimeout) + defer cancel() + conn, err := DialPipeContext(ctx, path) + if errors.Is(err, context.DeadlineExceeded) { + return nil, ErrTimeout + } + return conn, err +} + +// DialPipeContext attempts to connect to a named pipe by `path` until `ctx` +// cancellation or timeout. +func DialPipeContext(ctx context.Context, path string) (net.Conn, error) { + return DialPipeAccess(ctx, path, uint32(fs.GENERIC_READ|fs.GENERIC_WRITE)) +} + +// PipeImpLevel is an enumeration of impersonation levels that may be set +// when calling DialPipeAccessImpersonation. +type PipeImpLevel uint32 + +const ( + PipeImpLevelAnonymous = PipeImpLevel(fs.SECURITY_ANONYMOUS) + PipeImpLevelIdentification = PipeImpLevel(fs.SECURITY_IDENTIFICATION) + PipeImpLevelImpersonation = PipeImpLevel(fs.SECURITY_IMPERSONATION) + PipeImpLevelDelegation = PipeImpLevel(fs.SECURITY_DELEGATION) +) + +// DialPipeAccess attempts to connect to a named pipe by `path` with `access` until `ctx` +// cancellation or timeout. +func DialPipeAccess(ctx context.Context, path string, access uint32) (net.Conn, error) { + return DialPipeAccessImpLevel(ctx, path, access, PipeImpLevelAnonymous) +} + +// DialPipeAccessImpLevel attempts to connect to a named pipe by `path` with +// `access` at `impLevel` until `ctx` cancellation or timeout. The other +// DialPipe* implementations use PipeImpLevelAnonymous. +func DialPipeAccessImpLevel(ctx context.Context, path string, access uint32, impLevel PipeImpLevel) (net.Conn, error) { + var err error + var h windows.Handle + h, err = tryDialPipe(ctx, &path, fs.AccessMask(access), impLevel) + if err != nil { + return nil, err + } + + var flags uint32 + err = getNamedPipeInfo(h, &flags, nil, nil, nil) + if err != nil { + return nil, err + } + + f, err := makeWin32File(h) + if err != nil { + windows.Close(h) + return nil, err + } + + // If the pipe is in message mode, return a message byte pipe, which + // supports CloseWrite(). + if flags&windows.PIPE_TYPE_MESSAGE != 0 { + return &win32MessageBytePipe{ + win32Pipe: win32Pipe{win32File: f, path: path}, + }, nil + } + return &win32Pipe{win32File: f, path: path}, nil +} + +type acceptResponse struct { + f *win32File + err error +} + +type win32PipeListener struct { + firstHandle windows.Handle + path string + config PipeConfig + acceptCh chan (chan acceptResponse) + closeCh chan int + doneCh chan int +} + +func makeServerPipeHandle(path string, sd []byte, c *PipeConfig, first bool) (windows.Handle, error) { + path16, err := windows.UTF16FromString(path) + if err != nil { + return 0, &os.PathError{Op: "open", Path: path, Err: err} + } + + var oa objectAttributes + oa.Length = unsafe.Sizeof(oa) + + var ntPath unicodeString + if err := rtlDosPathNameToNtPathName(&path16[0], + &ntPath, + 0, + 0, + ).Err(); err != nil { + return 0, &os.PathError{Op: "open", Path: path, Err: err} + } + defer windows.LocalFree(windows.Handle(ntPath.Buffer)) //nolint:errcheck + oa.ObjectName = &ntPath + oa.Attributes = windows.OBJ_CASE_INSENSITIVE + + // The security descriptor is only needed for the first pipe. + if first { + if sd != nil { + //todo: does `sdb` need to be allocated on the heap, or can go allocate it? + l := uint32(len(sd)) + sdb, err := windows.LocalAlloc(0, l) + if err != nil { + return 0, fmt.Errorf("LocalAlloc for security descriptor with of length %d: %w", l, err) + } + defer windows.LocalFree(windows.Handle(sdb)) //nolint:errcheck + copy((*[0xffff]byte)(unsafe.Pointer(sdb))[:], sd) + oa.SecurityDescriptor = (*securityDescriptor)(unsafe.Pointer(sdb)) + } else { + // Construct the default named pipe security descriptor. + var dacl uintptr + if err := rtlDefaultNpAcl(&dacl).Err(); err != nil { + return 0, fmt.Errorf("getting default named pipe ACL: %w", err) + } + defer windows.LocalFree(windows.Handle(dacl)) //nolint:errcheck + + sdb := &securityDescriptor{ + Revision: 1, + Control: windows.SE_DACL_PRESENT, + Dacl: dacl, + } + oa.SecurityDescriptor = sdb + } + } + + typ := uint32(windows.FILE_PIPE_REJECT_REMOTE_CLIENTS) + if c.MessageMode { + typ |= windows.FILE_PIPE_MESSAGE_TYPE + } + + disposition := fs.FILE_OPEN + access := fs.GENERIC_READ | fs.GENERIC_WRITE | fs.SYNCHRONIZE + if first { + disposition = fs.FILE_CREATE + // By not asking for read or write access, the named pipe file system + // will put this pipe into an initially disconnected state, blocking + // client connections until the next call with first == false. + access = fs.SYNCHRONIZE + } + + timeout := int64(-50 * 10000) // 50ms + + var ( + h windows.Handle + iosb ioStatusBlock + ) + err = ntCreateNamedPipeFile(&h, + access, + &oa, + &iosb, + fs.FILE_SHARE_READ|fs.FILE_SHARE_WRITE, + disposition, + 0, + typ, + 0, + 0, + 0xffffffff, + uint32(c.InputBufferSize), + uint32(c.OutputBufferSize), + &timeout).Err() + if err != nil { + return 0, &os.PathError{Op: "open", Path: path, Err: err} + } + + runtime.KeepAlive(ntPath) + return h, nil +} + +func (l *win32PipeListener) makeServerPipe() (*win32File, error) { + h, err := makeServerPipeHandle(l.path, nil, &l.config, false) + if err != nil { + return nil, err + } + f, err := makeWin32File(h) + if err != nil { + windows.Close(h) + return nil, err + } + return f, nil +} + +func (l *win32PipeListener) makeConnectedServerPipe() (*win32File, error) { + p, err := l.makeServerPipe() + if err != nil { + return nil, err + } + + // Wait for the client to connect. + ch := make(chan error) + go func(p *win32File) { + ch <- connectPipe(p) + }(p) + + select { + case err = <-ch: + if err != nil { + p.Close() + p = nil + } + case <-l.closeCh: + // Abort the connect request by closing the handle. + p.Close() + p = nil + err = <-ch + if err == nil || err == ErrFileClosed { //nolint:errorlint // err is Errno + err = ErrPipeListenerClosed + } + } + return p, err +} + +func (l *win32PipeListener) listenerRoutine() { + closed := false + for !closed { + select { + case <-l.closeCh: + closed = true + case responseCh := <-l.acceptCh: + var ( + p *win32File + err error + ) + for { + p, err = l.makeConnectedServerPipe() + // If the connection was immediately closed by the client, try + // again. + if err != windows.ERROR_NO_DATA { //nolint:errorlint // err is Errno + break + } + } + responseCh <- acceptResponse{p, err} + closed = err == ErrPipeListenerClosed //nolint:errorlint // err is Errno + } + } + windows.Close(l.firstHandle) + l.firstHandle = 0 + // Notify Close() and Accept() callers that the handle has been closed. + close(l.doneCh) +} + +// PipeConfig contain configuration for the pipe listener. +type PipeConfig struct { + // SecurityDescriptor contains a Windows security descriptor in SDDL format. + SecurityDescriptor string + + // MessageMode determines whether the pipe is in byte or message mode. In either + // case the pipe is read in byte mode by default. The only practical difference in + // this implementation is that CloseWrite() is only supported for message mode pipes; + // CloseWrite() is implemented as a zero-byte write, but zero-byte writes are only + // transferred to the reader (and returned as io.EOF in this implementation) + // when the pipe is in message mode. + MessageMode bool + + // InputBufferSize specifies the size of the input buffer, in bytes. + InputBufferSize int32 + + // OutputBufferSize specifies the size of the output buffer, in bytes. + OutputBufferSize int32 +} + +// ListenPipe creates a listener on a Windows named pipe path, e.g. \\.\pipe\mypipe. +// The pipe must not already exist. +func ListenPipe(path string, c *PipeConfig) (net.Listener, error) { + var ( + sd []byte + err error + ) + if c == nil { + c = &PipeConfig{} + } + if c.SecurityDescriptor != "" { + sd, err = SddlToSecurityDescriptor(c.SecurityDescriptor) + if err != nil { + return nil, err + } + } + h, err := makeServerPipeHandle(path, sd, c, true) + if err != nil { + return nil, err + } + l := &win32PipeListener{ + firstHandle: h, + path: path, + config: *c, + acceptCh: make(chan (chan acceptResponse)), + closeCh: make(chan int), + doneCh: make(chan int), + } + go l.listenerRoutine() + return l, nil +} + +func connectPipe(p *win32File) error { + c, err := p.prepareIO() + if err != nil { + return err + } + defer p.wg.Done() + + err = connectNamedPipe(p.handle, &c.o) + _, err = p.asyncIO(c, nil, 0, err) + if err != nil && err != windows.ERROR_PIPE_CONNECTED { //nolint:errorlint // err is Errno + return err + } + return nil +} + +func (l *win32PipeListener) Accept() (net.Conn, error) { + ch := make(chan acceptResponse) + select { + case l.acceptCh <- ch: + response := <-ch + err := response.err + if err != nil { + return nil, err + } + if l.config.MessageMode { + return &win32MessageBytePipe{ + win32Pipe: win32Pipe{win32File: response.f, path: l.path}, + }, nil + } + return &win32Pipe{win32File: response.f, path: l.path}, nil + case <-l.doneCh: + return nil, ErrPipeListenerClosed + } +} + +func (l *win32PipeListener) Close() error { + select { + case l.closeCh <- 1: + <-l.doneCh + case <-l.doneCh: + } + return nil +} + +func (l *win32PipeListener) Addr() net.Addr { + return pipeAddress(l.path) +} diff --git a/vendor/github.com/Microsoft/go-winio/pkg/guid/guid.go b/vendor/github.com/Microsoft/go-winio/pkg/guid/guid.go new file mode 100644 index 000000000..48ce4e924 --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/pkg/guid/guid.go @@ -0,0 +1,232 @@ +// Package guid provides a GUID type. The backing structure for a GUID is +// identical to that used by the golang.org/x/sys/windows GUID type. +// There are two main binary encodings used for a GUID, the big-endian encoding, +// and the Windows (mixed-endian) encoding. See here for details: +// https://en.wikipedia.org/wiki/Universally_unique_identifier#Encoding +package guid + +import ( + "crypto/rand" + "crypto/sha1" //nolint:gosec // not used for secure application + "encoding" + "encoding/binary" + "fmt" + "strconv" +) + +//go:generate go run golang.org/x/tools/cmd/stringer -type=Variant -trimprefix=Variant -linecomment + +// Variant specifies which GUID variant (or "type") of the GUID. It determines +// how the entirety of the rest of the GUID is interpreted. +type Variant uint8 + +// The variants specified by RFC 4122 section 4.1.1. +const ( + // VariantUnknown specifies a GUID variant which does not conform to one of + // the variant encodings specified in RFC 4122. + VariantUnknown Variant = iota + VariantNCS + VariantRFC4122 // RFC 4122 + VariantMicrosoft + VariantFuture +) + +// Version specifies how the bits in the GUID were generated. For instance, a +// version 4 GUID is randomly generated, and a version 5 is generated from the +// hash of an input string. +type Version uint8 + +func (v Version) String() string { + return strconv.FormatUint(uint64(v), 10) +} + +var _ = (encoding.TextMarshaler)(GUID{}) +var _ = (encoding.TextUnmarshaler)(&GUID{}) + +// NewV4 returns a new version 4 (pseudorandom) GUID, as defined by RFC 4122. +func NewV4() (GUID, error) { + var b [16]byte + if _, err := rand.Read(b[:]); err != nil { + return GUID{}, err + } + + g := FromArray(b) + g.setVersion(4) // Version 4 means randomly generated. + g.setVariant(VariantRFC4122) + + return g, nil +} + +// NewV5 returns a new version 5 (generated from a string via SHA-1 hashing) +// GUID, as defined by RFC 4122. The RFC is unclear on the encoding of the name, +// and the sample code treats it as a series of bytes, so we do the same here. +// +// Some implementations, such as those found on Windows, treat the name as a +// big-endian UTF16 stream of bytes. If that is desired, the string can be +// encoded as such before being passed to this function. +func NewV5(namespace GUID, name []byte) (GUID, error) { + b := sha1.New() //nolint:gosec // not used for secure application + namespaceBytes := namespace.ToArray() + b.Write(namespaceBytes[:]) + b.Write(name) + + a := [16]byte{} + copy(a[:], b.Sum(nil)) + + g := FromArray(a) + g.setVersion(5) // Version 5 means generated from a string. + g.setVariant(VariantRFC4122) + + return g, nil +} + +func fromArray(b [16]byte, order binary.ByteOrder) GUID { + var g GUID + g.Data1 = order.Uint32(b[0:4]) + g.Data2 = order.Uint16(b[4:6]) + g.Data3 = order.Uint16(b[6:8]) + copy(g.Data4[:], b[8:16]) + return g +} + +func (g GUID) toArray(order binary.ByteOrder) [16]byte { + b := [16]byte{} + order.PutUint32(b[0:4], g.Data1) + order.PutUint16(b[4:6], g.Data2) + order.PutUint16(b[6:8], g.Data3) + copy(b[8:16], g.Data4[:]) + return b +} + +// FromArray constructs a GUID from a big-endian encoding array of 16 bytes. +func FromArray(b [16]byte) GUID { + return fromArray(b, binary.BigEndian) +} + +// ToArray returns an array of 16 bytes representing the GUID in big-endian +// encoding. +func (g GUID) ToArray() [16]byte { + return g.toArray(binary.BigEndian) +} + +// FromWindowsArray constructs a GUID from a Windows encoding array of bytes. +func FromWindowsArray(b [16]byte) GUID { + return fromArray(b, binary.LittleEndian) +} + +// ToWindowsArray returns an array of 16 bytes representing the GUID in Windows +// encoding. +func (g GUID) ToWindowsArray() [16]byte { + return g.toArray(binary.LittleEndian) +} + +func (g GUID) String() string { + return fmt.Sprintf( + "%08x-%04x-%04x-%04x-%012x", + g.Data1, + g.Data2, + g.Data3, + g.Data4[:2], + g.Data4[2:]) +} + +// FromString parses a string containing a GUID and returns the GUID. The only +// format currently supported is the `xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx` +// format. +func FromString(s string) (GUID, error) { + if len(s) != 36 { + return GUID{}, fmt.Errorf("invalid GUID %q", s) + } + if s[8] != '-' || s[13] != '-' || s[18] != '-' || s[23] != '-' { + return GUID{}, fmt.Errorf("invalid GUID %q", s) + } + + var g GUID + + data1, err := strconv.ParseUint(s[0:8], 16, 32) + if err != nil { + return GUID{}, fmt.Errorf("invalid GUID %q", s) + } + g.Data1 = uint32(data1) + + data2, err := strconv.ParseUint(s[9:13], 16, 16) + if err != nil { + return GUID{}, fmt.Errorf("invalid GUID %q", s) + } + g.Data2 = uint16(data2) + + data3, err := strconv.ParseUint(s[14:18], 16, 16) + if err != nil { + return GUID{}, fmt.Errorf("invalid GUID %q", s) + } + g.Data3 = uint16(data3) + + for i, x := range []int{19, 21, 24, 26, 28, 30, 32, 34} { + v, err := strconv.ParseUint(s[x:x+2], 16, 8) + if err != nil { + return GUID{}, fmt.Errorf("invalid GUID %q", s) + } + g.Data4[i] = uint8(v) + } + + return g, nil +} + +func (g *GUID) setVariant(v Variant) { + d := g.Data4[0] + switch v { + case VariantNCS: + d = (d & 0x7f) + case VariantRFC4122: + d = (d & 0x3f) | 0x80 + case VariantMicrosoft: + d = (d & 0x1f) | 0xc0 + case VariantFuture: + d = (d & 0x0f) | 0xe0 + case VariantUnknown: + fallthrough + default: + panic(fmt.Sprintf("invalid variant: %d", v)) + } + g.Data4[0] = d +} + +// Variant returns the GUID variant, as defined in RFC 4122. +func (g GUID) Variant() Variant { + b := g.Data4[0] + if b&0x80 == 0 { + return VariantNCS + } else if b&0xc0 == 0x80 { + return VariantRFC4122 + } else if b&0xe0 == 0xc0 { + return VariantMicrosoft + } else if b&0xe0 == 0xe0 { + return VariantFuture + } + return VariantUnknown +} + +func (g *GUID) setVersion(v Version) { + g.Data3 = (g.Data3 & 0x0fff) | (uint16(v) << 12) +} + +// Version returns the GUID version, as defined in RFC 4122. +func (g GUID) Version() Version { + return Version((g.Data3 & 0xF000) >> 12) +} + +// MarshalText returns the textual representation of the GUID. +func (g GUID) MarshalText() ([]byte, error) { + return []byte(g.String()), nil +} + +// UnmarshalText takes the textual representation of a GUID, and unmarhals it +// into this GUID. +func (g *GUID) UnmarshalText(text []byte) error { + g2, err := FromString(string(text)) + if err != nil { + return err + } + *g = g2 + return nil +} diff --git a/vendor/github.com/Microsoft/go-winio/pkg/guid/guid_nonwindows.go b/vendor/github.com/Microsoft/go-winio/pkg/guid/guid_nonwindows.go new file mode 100644 index 000000000..805bd3548 --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/pkg/guid/guid_nonwindows.go @@ -0,0 +1,16 @@ +//go:build !windows +// +build !windows + +package guid + +// GUID represents a GUID/UUID. It has the same structure as +// golang.org/x/sys/windows.GUID so that it can be used with functions expecting +// that type. It is defined as its own type as that is only available to builds +// targeted at `windows`. The representation matches that used by native Windows +// code. +type GUID struct { + Data1 uint32 + Data2 uint16 + Data3 uint16 + Data4 [8]byte +} diff --git a/vendor/github.com/Microsoft/go-winio/pkg/guid/guid_windows.go b/vendor/github.com/Microsoft/go-winio/pkg/guid/guid_windows.go new file mode 100644 index 000000000..27e45ee5c --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/pkg/guid/guid_windows.go @@ -0,0 +1,13 @@ +//go:build windows +// +build windows + +package guid + +import "golang.org/x/sys/windows" + +// GUID represents a GUID/UUID. It has the same structure as +// golang.org/x/sys/windows.GUID so that it can be used with functions expecting +// that type. It is defined as its own type so that stringification and +// marshaling can be supported. The representation matches that used by native +// Windows code. +type GUID windows.GUID diff --git a/vendor/github.com/Microsoft/go-winio/pkg/guid/variant_string.go b/vendor/github.com/Microsoft/go-winio/pkg/guid/variant_string.go new file mode 100644 index 000000000..4076d3132 --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/pkg/guid/variant_string.go @@ -0,0 +1,27 @@ +// Code generated by "stringer -type=Variant -trimprefix=Variant -linecomment"; DO NOT EDIT. + +package guid + +import "strconv" + +func _() { + // An "invalid array index" compiler error signifies that the constant values have changed. + // Re-run the stringer command to generate them again. + var x [1]struct{} + _ = x[VariantUnknown-0] + _ = x[VariantNCS-1] + _ = x[VariantRFC4122-2] + _ = x[VariantMicrosoft-3] + _ = x[VariantFuture-4] +} + +const _Variant_name = "UnknownNCSRFC 4122MicrosoftFuture" + +var _Variant_index = [...]uint8{0, 7, 10, 18, 27, 33} + +func (i Variant) String() string { + if i >= Variant(len(_Variant_index)-1) { + return "Variant(" + strconv.FormatInt(int64(i), 10) + ")" + } + return _Variant_name[_Variant_index[i]:_Variant_index[i+1]] +} diff --git a/vendor/github.com/Microsoft/go-winio/privilege.go b/vendor/github.com/Microsoft/go-winio/privilege.go new file mode 100644 index 000000000..d9b90b6e8 --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/privilege.go @@ -0,0 +1,196 @@ +//go:build windows +// +build windows + +package winio + +import ( + "bytes" + "encoding/binary" + "fmt" + "runtime" + "sync" + "unicode/utf16" + + "golang.org/x/sys/windows" +) + +//sys adjustTokenPrivileges(token windows.Token, releaseAll bool, input *byte, outputSize uint32, output *byte, requiredSize *uint32) (success bool, err error) [true] = advapi32.AdjustTokenPrivileges +//sys impersonateSelf(level uint32) (err error) = advapi32.ImpersonateSelf +//sys revertToSelf() (err error) = advapi32.RevertToSelf +//sys openThreadToken(thread windows.Handle, accessMask uint32, openAsSelf bool, token *windows.Token) (err error) = advapi32.OpenThreadToken +//sys getCurrentThread() (h windows.Handle) = GetCurrentThread +//sys lookupPrivilegeValue(systemName string, name string, luid *uint64) (err error) = advapi32.LookupPrivilegeValueW +//sys lookupPrivilegeName(systemName string, luid *uint64, buffer *uint16, size *uint32) (err error) = advapi32.LookupPrivilegeNameW +//sys lookupPrivilegeDisplayName(systemName string, name *uint16, buffer *uint16, size *uint32, languageId *uint32) (err error) = advapi32.LookupPrivilegeDisplayNameW + +const ( + //revive:disable-next-line:var-naming ALL_CAPS + SE_PRIVILEGE_ENABLED = windows.SE_PRIVILEGE_ENABLED + + //revive:disable-next-line:var-naming ALL_CAPS + ERROR_NOT_ALL_ASSIGNED windows.Errno = windows.ERROR_NOT_ALL_ASSIGNED + + SeBackupPrivilege = "SeBackupPrivilege" + SeRestorePrivilege = "SeRestorePrivilege" + SeSecurityPrivilege = "SeSecurityPrivilege" +) + +var ( + privNames = make(map[string]uint64) + privNameMutex sync.Mutex +) + +// PrivilegeError represents an error enabling privileges. +type PrivilegeError struct { + privileges []uint64 +} + +func (e *PrivilegeError) Error() string { + s := "Could not enable privilege " + if len(e.privileges) > 1 { + s = "Could not enable privileges " + } + for i, p := range e.privileges { + if i != 0 { + s += ", " + } + s += `"` + s += getPrivilegeName(p) + s += `"` + } + return s +} + +// RunWithPrivilege enables a single privilege for a function call. +func RunWithPrivilege(name string, fn func() error) error { + return RunWithPrivileges([]string{name}, fn) +} + +// RunWithPrivileges enables privileges for a function call. +func RunWithPrivileges(names []string, fn func() error) error { + privileges, err := mapPrivileges(names) + if err != nil { + return err + } + runtime.LockOSThread() + defer runtime.UnlockOSThread() + token, err := newThreadToken() + if err != nil { + return err + } + defer releaseThreadToken(token) + err = adjustPrivileges(token, privileges, SE_PRIVILEGE_ENABLED) + if err != nil { + return err + } + return fn() +} + +func mapPrivileges(names []string) ([]uint64, error) { + privileges := make([]uint64, 0, len(names)) + privNameMutex.Lock() + defer privNameMutex.Unlock() + for _, name := range names { + p, ok := privNames[name] + if !ok { + err := lookupPrivilegeValue("", name, &p) + if err != nil { + return nil, err + } + privNames[name] = p + } + privileges = append(privileges, p) + } + return privileges, nil +} + +// EnableProcessPrivileges enables privileges globally for the process. +func EnableProcessPrivileges(names []string) error { + return enableDisableProcessPrivilege(names, SE_PRIVILEGE_ENABLED) +} + +// DisableProcessPrivileges disables privileges globally for the process. +func DisableProcessPrivileges(names []string) error { + return enableDisableProcessPrivilege(names, 0) +} + +func enableDisableProcessPrivilege(names []string, action uint32) error { + privileges, err := mapPrivileges(names) + if err != nil { + return err + } + + p := windows.CurrentProcess() + var token windows.Token + err = windows.OpenProcessToken(p, windows.TOKEN_ADJUST_PRIVILEGES|windows.TOKEN_QUERY, &token) + if err != nil { + return err + } + + defer token.Close() + return adjustPrivileges(token, privileges, action) +} + +func adjustPrivileges(token windows.Token, privileges []uint64, action uint32) error { + var b bytes.Buffer + _ = binary.Write(&b, binary.LittleEndian, uint32(len(privileges))) + for _, p := range privileges { + _ = binary.Write(&b, binary.LittleEndian, p) + _ = binary.Write(&b, binary.LittleEndian, action) + } + prevState := make([]byte, b.Len()) + reqSize := uint32(0) + success, err := adjustTokenPrivileges(token, false, &b.Bytes()[0], uint32(len(prevState)), &prevState[0], &reqSize) + if !success { + return err + } + if err == ERROR_NOT_ALL_ASSIGNED { //nolint:errorlint // err is Errno + return &PrivilegeError{privileges} + } + return nil +} + +func getPrivilegeName(luid uint64) string { + var nameBuffer [256]uint16 + bufSize := uint32(len(nameBuffer)) + err := lookupPrivilegeName("", &luid, &nameBuffer[0], &bufSize) + if err != nil { + return fmt.Sprintf("", luid) + } + + var displayNameBuffer [256]uint16 + displayBufSize := uint32(len(displayNameBuffer)) + var langID uint32 + err = lookupPrivilegeDisplayName("", &nameBuffer[0], &displayNameBuffer[0], &displayBufSize, &langID) + if err != nil { + return fmt.Sprintf("", string(utf16.Decode(nameBuffer[:bufSize]))) + } + + return string(utf16.Decode(displayNameBuffer[:displayBufSize])) +} + +func newThreadToken() (windows.Token, error) { + err := impersonateSelf(windows.SecurityImpersonation) + if err != nil { + return 0, err + } + + var token windows.Token + err = openThreadToken(getCurrentThread(), windows.TOKEN_ADJUST_PRIVILEGES|windows.TOKEN_QUERY, false, &token) + if err != nil { + rerr := revertToSelf() + if rerr != nil { + panic(rerr) + } + return 0, err + } + return token, nil +} + +func releaseThreadToken(h windows.Token) { + err := revertToSelf() + if err != nil { + panic(err) + } + h.Close() +} diff --git a/vendor/github.com/Microsoft/go-winio/reparse.go b/vendor/github.com/Microsoft/go-winio/reparse.go new file mode 100644 index 000000000..67d1a104a --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/reparse.go @@ -0,0 +1,131 @@ +//go:build windows +// +build windows + +package winio + +import ( + "bytes" + "encoding/binary" + "fmt" + "strings" + "unicode/utf16" + "unsafe" +) + +const ( + reparseTagMountPoint = 0xA0000003 + reparseTagSymlink = 0xA000000C +) + +type reparseDataBuffer struct { + ReparseTag uint32 + ReparseDataLength uint16 + Reserved uint16 + SubstituteNameOffset uint16 + SubstituteNameLength uint16 + PrintNameOffset uint16 + PrintNameLength uint16 +} + +// ReparsePoint describes a Win32 symlink or mount point. +type ReparsePoint struct { + Target string + IsMountPoint bool +} + +// UnsupportedReparsePointError is returned when trying to decode a non-symlink or +// mount point reparse point. +type UnsupportedReparsePointError struct { + Tag uint32 +} + +func (e *UnsupportedReparsePointError) Error() string { + return fmt.Sprintf("unsupported reparse point %x", e.Tag) +} + +// DecodeReparsePoint decodes a Win32 REPARSE_DATA_BUFFER structure containing either a symlink +// or a mount point. +func DecodeReparsePoint(b []byte) (*ReparsePoint, error) { + tag := binary.LittleEndian.Uint32(b[0:4]) + return DecodeReparsePointData(tag, b[8:]) +} + +func DecodeReparsePointData(tag uint32, b []byte) (*ReparsePoint, error) { + isMountPoint := false + switch tag { + case reparseTagMountPoint: + isMountPoint = true + case reparseTagSymlink: + default: + return nil, &UnsupportedReparsePointError{tag} + } + nameOffset := 8 + binary.LittleEndian.Uint16(b[4:6]) + if !isMountPoint { + nameOffset += 4 + } + nameLength := binary.LittleEndian.Uint16(b[6:8]) + name := make([]uint16, nameLength/2) + err := binary.Read(bytes.NewReader(b[nameOffset:nameOffset+nameLength]), binary.LittleEndian, &name) + if err != nil { + return nil, err + } + return &ReparsePoint{string(utf16.Decode(name)), isMountPoint}, nil +} + +func isDriveLetter(c byte) bool { + return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') +} + +// EncodeReparsePoint encodes a Win32 REPARSE_DATA_BUFFER structure describing a symlink or +// mount point. +func EncodeReparsePoint(rp *ReparsePoint) []byte { + // Generate an NT path and determine if this is a relative path. + var ntTarget string + relative := false + if strings.HasPrefix(rp.Target, `\\?\`) { + ntTarget = `\??\` + rp.Target[4:] + } else if strings.HasPrefix(rp.Target, `\\`) { + ntTarget = `\??\UNC\` + rp.Target[2:] + } else if len(rp.Target) >= 2 && isDriveLetter(rp.Target[0]) && rp.Target[1] == ':' { + ntTarget = `\??\` + rp.Target + } else { + ntTarget = rp.Target + relative = true + } + + // The paths must be NUL-terminated even though they are counted strings. + target16 := utf16.Encode([]rune(rp.Target + "\x00")) + ntTarget16 := utf16.Encode([]rune(ntTarget + "\x00")) + + size := int(unsafe.Sizeof(reparseDataBuffer{})) - 8 + size += len(ntTarget16)*2 + len(target16)*2 + + tag := uint32(reparseTagMountPoint) + if !rp.IsMountPoint { + tag = reparseTagSymlink + size += 4 // Add room for symlink flags + } + + data := reparseDataBuffer{ + ReparseTag: tag, + ReparseDataLength: uint16(size), + SubstituteNameOffset: 0, + SubstituteNameLength: uint16((len(ntTarget16) - 1) * 2), + PrintNameOffset: uint16(len(ntTarget16) * 2), + PrintNameLength: uint16((len(target16) - 1) * 2), + } + + var b bytes.Buffer + _ = binary.Write(&b, binary.LittleEndian, &data) + if !rp.IsMountPoint { + flags := uint32(0) + if relative { + flags |= 1 + } + _ = binary.Write(&b, binary.LittleEndian, flags) + } + + _ = binary.Write(&b, binary.LittleEndian, ntTarget16) + _ = binary.Write(&b, binary.LittleEndian, target16) + return b.Bytes() +} diff --git a/vendor/github.com/Microsoft/go-winio/sd.go b/vendor/github.com/Microsoft/go-winio/sd.go new file mode 100644 index 000000000..c3685e98e --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/sd.go @@ -0,0 +1,133 @@ +//go:build windows +// +build windows + +package winio + +import ( + "errors" + "fmt" + "unsafe" + + "golang.org/x/sys/windows" +) + +//sys lookupAccountName(systemName *uint16, accountName string, sid *byte, sidSize *uint32, refDomain *uint16, refDomainSize *uint32, sidNameUse *uint32) (err error) = advapi32.LookupAccountNameW +//sys lookupAccountSid(systemName *uint16, sid *byte, name *uint16, nameSize *uint32, refDomain *uint16, refDomainSize *uint32, sidNameUse *uint32) (err error) = advapi32.LookupAccountSidW +//sys convertSidToStringSid(sid *byte, str **uint16) (err error) = advapi32.ConvertSidToStringSidW +//sys convertStringSidToSid(str *uint16, sid **byte) (err error) = advapi32.ConvertStringSidToSidW + +type AccountLookupError struct { + Name string + Err error +} + +func (e *AccountLookupError) Error() string { + if e.Name == "" { + return "lookup account: empty account name specified" + } + var s string + switch { + case errors.Is(e.Err, windows.ERROR_INVALID_SID): + s = "the security ID structure is invalid" + case errors.Is(e.Err, windows.ERROR_NONE_MAPPED): + s = "not found" + default: + s = e.Err.Error() + } + return "lookup account " + e.Name + ": " + s +} + +func (e *AccountLookupError) Unwrap() error { return e.Err } + +type SddlConversionError struct { + Sddl string + Err error +} + +func (e *SddlConversionError) Error() string { + return "convert " + e.Sddl + ": " + e.Err.Error() +} + +func (e *SddlConversionError) Unwrap() error { return e.Err } + +// LookupSidByName looks up the SID of an account by name +// +//revive:disable-next-line:var-naming SID, not Sid +func LookupSidByName(name string) (sid string, err error) { + if name == "" { + return "", &AccountLookupError{name, windows.ERROR_NONE_MAPPED} + } + + var sidSize, sidNameUse, refDomainSize uint32 + err = lookupAccountName(nil, name, nil, &sidSize, nil, &refDomainSize, &sidNameUse) + if err != nil && err != windows.ERROR_INSUFFICIENT_BUFFER { //nolint:errorlint // err is Errno + return "", &AccountLookupError{name, err} + } + sidBuffer := make([]byte, sidSize) + refDomainBuffer := make([]uint16, refDomainSize) + err = lookupAccountName(nil, name, &sidBuffer[0], &sidSize, &refDomainBuffer[0], &refDomainSize, &sidNameUse) + if err != nil { + return "", &AccountLookupError{name, err} + } + var strBuffer *uint16 + err = convertSidToStringSid(&sidBuffer[0], &strBuffer) + if err != nil { + return "", &AccountLookupError{name, err} + } + sid = windows.UTF16ToString((*[0xffff]uint16)(unsafe.Pointer(strBuffer))[:]) + _, _ = windows.LocalFree(windows.Handle(unsafe.Pointer(strBuffer))) + return sid, nil +} + +// LookupNameBySid looks up the name of an account by SID +// +//revive:disable-next-line:var-naming SID, not Sid +func LookupNameBySid(sid string) (name string, err error) { + if sid == "" { + return "", &AccountLookupError{sid, windows.ERROR_NONE_MAPPED} + } + + sidBuffer, err := windows.UTF16PtrFromString(sid) + if err != nil { + return "", &AccountLookupError{sid, err} + } + + var sidPtr *byte + if err = convertStringSidToSid(sidBuffer, &sidPtr); err != nil { + return "", &AccountLookupError{sid, err} + } + defer windows.LocalFree(windows.Handle(unsafe.Pointer(sidPtr))) //nolint:errcheck + + var nameSize, refDomainSize, sidNameUse uint32 + err = lookupAccountSid(nil, sidPtr, nil, &nameSize, nil, &refDomainSize, &sidNameUse) + if err != nil && err != windows.ERROR_INSUFFICIENT_BUFFER { //nolint:errorlint // err is Errno + return "", &AccountLookupError{sid, err} + } + + nameBuffer := make([]uint16, nameSize) + refDomainBuffer := make([]uint16, refDomainSize) + err = lookupAccountSid(nil, sidPtr, &nameBuffer[0], &nameSize, &refDomainBuffer[0], &refDomainSize, &sidNameUse) + if err != nil { + return "", &AccountLookupError{sid, err} + } + + name = windows.UTF16ToString(nameBuffer) + return name, nil +} + +func SddlToSecurityDescriptor(sddl string) ([]byte, error) { + sd, err := windows.SecurityDescriptorFromString(sddl) + if err != nil { + return nil, &SddlConversionError{Sddl: sddl, Err: err} + } + b := unsafe.Slice((*byte)(unsafe.Pointer(sd)), sd.Length()) + return b, nil +} + +func SecurityDescriptorToSddl(sd []byte) (string, error) { + if l := int(unsafe.Sizeof(windows.SECURITY_DESCRIPTOR{})); len(sd) < l { + return "", fmt.Errorf("SecurityDescriptor (%d) smaller than expected (%d): %w", len(sd), l, windows.ERROR_INCORRECT_SIZE) + } + s := (*windows.SECURITY_DESCRIPTOR)(unsafe.Pointer(&sd[0])) + return s.String(), nil +} diff --git a/vendor/github.com/Microsoft/go-winio/syscall.go b/vendor/github.com/Microsoft/go-winio/syscall.go new file mode 100644 index 000000000..a6ca111b3 --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/syscall.go @@ -0,0 +1,5 @@ +//go:build windows + +package winio + +//go:generate go run github.com/Microsoft/go-winio/tools/mkwinsyscall -output zsyscall_windows.go ./*.go diff --git a/vendor/github.com/Microsoft/go-winio/zsyscall_windows.go b/vendor/github.com/Microsoft/go-winio/zsyscall_windows.go new file mode 100644 index 000000000..89b66eda8 --- /dev/null +++ b/vendor/github.com/Microsoft/go-winio/zsyscall_windows.go @@ -0,0 +1,378 @@ +//go:build windows + +// Code generated by 'go generate' using "github.com/Microsoft/go-winio/tools/mkwinsyscall"; DO NOT EDIT. + +package winio + +import ( + "syscall" + "unsafe" + + "golang.org/x/sys/windows" +) + +var _ unsafe.Pointer + +// Do the interface allocations only once for common +// Errno values. +const ( + errnoERROR_IO_PENDING = 997 +) + +var ( + errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING) + errERROR_EINVAL error = syscall.EINVAL +) + +// errnoErr returns common boxed Errno values, to prevent +// allocations at runtime. +func errnoErr(e syscall.Errno) error { + switch e { + case 0: + return errERROR_EINVAL + case errnoERROR_IO_PENDING: + return errERROR_IO_PENDING + } + return e +} + +var ( + modadvapi32 = windows.NewLazySystemDLL("advapi32.dll") + modkernel32 = windows.NewLazySystemDLL("kernel32.dll") + modntdll = windows.NewLazySystemDLL("ntdll.dll") + modws2_32 = windows.NewLazySystemDLL("ws2_32.dll") + + procAdjustTokenPrivileges = modadvapi32.NewProc("AdjustTokenPrivileges") + procConvertSidToStringSidW = modadvapi32.NewProc("ConvertSidToStringSidW") + procConvertStringSidToSidW = modadvapi32.NewProc("ConvertStringSidToSidW") + procImpersonateSelf = modadvapi32.NewProc("ImpersonateSelf") + procLookupAccountNameW = modadvapi32.NewProc("LookupAccountNameW") + procLookupAccountSidW = modadvapi32.NewProc("LookupAccountSidW") + procLookupPrivilegeDisplayNameW = modadvapi32.NewProc("LookupPrivilegeDisplayNameW") + procLookupPrivilegeNameW = modadvapi32.NewProc("LookupPrivilegeNameW") + procLookupPrivilegeValueW = modadvapi32.NewProc("LookupPrivilegeValueW") + procOpenThreadToken = modadvapi32.NewProc("OpenThreadToken") + procRevertToSelf = modadvapi32.NewProc("RevertToSelf") + procBackupRead = modkernel32.NewProc("BackupRead") + procBackupWrite = modkernel32.NewProc("BackupWrite") + procCancelIoEx = modkernel32.NewProc("CancelIoEx") + procConnectNamedPipe = modkernel32.NewProc("ConnectNamedPipe") + procCreateIoCompletionPort = modkernel32.NewProc("CreateIoCompletionPort") + procCreateNamedPipeW = modkernel32.NewProc("CreateNamedPipeW") + procDisconnectNamedPipe = modkernel32.NewProc("DisconnectNamedPipe") + procGetCurrentThread = modkernel32.NewProc("GetCurrentThread") + procGetNamedPipeHandleStateW = modkernel32.NewProc("GetNamedPipeHandleStateW") + procGetNamedPipeInfo = modkernel32.NewProc("GetNamedPipeInfo") + procGetQueuedCompletionStatus = modkernel32.NewProc("GetQueuedCompletionStatus") + procSetFileCompletionNotificationModes = modkernel32.NewProc("SetFileCompletionNotificationModes") + procNtCreateNamedPipeFile = modntdll.NewProc("NtCreateNamedPipeFile") + procRtlDefaultNpAcl = modntdll.NewProc("RtlDefaultNpAcl") + procRtlDosPathNameToNtPathName_U = modntdll.NewProc("RtlDosPathNameToNtPathName_U") + procRtlNtStatusToDosErrorNoTeb = modntdll.NewProc("RtlNtStatusToDosErrorNoTeb") + procWSAGetOverlappedResult = modws2_32.NewProc("WSAGetOverlappedResult") +) + +func adjustTokenPrivileges(token windows.Token, releaseAll bool, input *byte, outputSize uint32, output *byte, requiredSize *uint32) (success bool, err error) { + var _p0 uint32 + if releaseAll { + _p0 = 1 + } + r0, _, e1 := syscall.SyscallN(procAdjustTokenPrivileges.Addr(), uintptr(token), uintptr(_p0), uintptr(unsafe.Pointer(input)), uintptr(outputSize), uintptr(unsafe.Pointer(output)), uintptr(unsafe.Pointer(requiredSize))) + success = r0 != 0 + if true { + err = errnoErr(e1) + } + return +} + +func convertSidToStringSid(sid *byte, str **uint16) (err error) { + r1, _, e1 := syscall.SyscallN(procConvertSidToStringSidW.Addr(), uintptr(unsafe.Pointer(sid)), uintptr(unsafe.Pointer(str))) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func convertStringSidToSid(str *uint16, sid **byte) (err error) { + r1, _, e1 := syscall.SyscallN(procConvertStringSidToSidW.Addr(), uintptr(unsafe.Pointer(str)), uintptr(unsafe.Pointer(sid))) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func impersonateSelf(level uint32) (err error) { + r1, _, e1 := syscall.SyscallN(procImpersonateSelf.Addr(), uintptr(level)) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func lookupAccountName(systemName *uint16, accountName string, sid *byte, sidSize *uint32, refDomain *uint16, refDomainSize *uint32, sidNameUse *uint32) (err error) { + var _p0 *uint16 + _p0, err = syscall.UTF16PtrFromString(accountName) + if err != nil { + return + } + return _lookupAccountName(systemName, _p0, sid, sidSize, refDomain, refDomainSize, sidNameUse) +} + +func _lookupAccountName(systemName *uint16, accountName *uint16, sid *byte, sidSize *uint32, refDomain *uint16, refDomainSize *uint32, sidNameUse *uint32) (err error) { + r1, _, e1 := syscall.SyscallN(procLookupAccountNameW.Addr(), uintptr(unsafe.Pointer(systemName)), uintptr(unsafe.Pointer(accountName)), uintptr(unsafe.Pointer(sid)), uintptr(unsafe.Pointer(sidSize)), uintptr(unsafe.Pointer(refDomain)), uintptr(unsafe.Pointer(refDomainSize)), uintptr(unsafe.Pointer(sidNameUse))) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func lookupAccountSid(systemName *uint16, sid *byte, name *uint16, nameSize *uint32, refDomain *uint16, refDomainSize *uint32, sidNameUse *uint32) (err error) { + r1, _, e1 := syscall.SyscallN(procLookupAccountSidW.Addr(), uintptr(unsafe.Pointer(systemName)), uintptr(unsafe.Pointer(sid)), uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(nameSize)), uintptr(unsafe.Pointer(refDomain)), uintptr(unsafe.Pointer(refDomainSize)), uintptr(unsafe.Pointer(sidNameUse))) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func lookupPrivilegeDisplayName(systemName string, name *uint16, buffer *uint16, size *uint32, languageId *uint32) (err error) { + var _p0 *uint16 + _p0, err = syscall.UTF16PtrFromString(systemName) + if err != nil { + return + } + return _lookupPrivilegeDisplayName(_p0, name, buffer, size, languageId) +} + +func _lookupPrivilegeDisplayName(systemName *uint16, name *uint16, buffer *uint16, size *uint32, languageId *uint32) (err error) { + r1, _, e1 := syscall.SyscallN(procLookupPrivilegeDisplayNameW.Addr(), uintptr(unsafe.Pointer(systemName)), uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(buffer)), uintptr(unsafe.Pointer(size)), uintptr(unsafe.Pointer(languageId))) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func lookupPrivilegeName(systemName string, luid *uint64, buffer *uint16, size *uint32) (err error) { + var _p0 *uint16 + _p0, err = syscall.UTF16PtrFromString(systemName) + if err != nil { + return + } + return _lookupPrivilegeName(_p0, luid, buffer, size) +} + +func _lookupPrivilegeName(systemName *uint16, luid *uint64, buffer *uint16, size *uint32) (err error) { + r1, _, e1 := syscall.SyscallN(procLookupPrivilegeNameW.Addr(), uintptr(unsafe.Pointer(systemName)), uintptr(unsafe.Pointer(luid)), uintptr(unsafe.Pointer(buffer)), uintptr(unsafe.Pointer(size))) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func lookupPrivilegeValue(systemName string, name string, luid *uint64) (err error) { + var _p0 *uint16 + _p0, err = syscall.UTF16PtrFromString(systemName) + if err != nil { + return + } + var _p1 *uint16 + _p1, err = syscall.UTF16PtrFromString(name) + if err != nil { + return + } + return _lookupPrivilegeValue(_p0, _p1, luid) +} + +func _lookupPrivilegeValue(systemName *uint16, name *uint16, luid *uint64) (err error) { + r1, _, e1 := syscall.SyscallN(procLookupPrivilegeValueW.Addr(), uintptr(unsafe.Pointer(systemName)), uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(luid))) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func openThreadToken(thread windows.Handle, accessMask uint32, openAsSelf bool, token *windows.Token) (err error) { + var _p0 uint32 + if openAsSelf { + _p0 = 1 + } + r1, _, e1 := syscall.SyscallN(procOpenThreadToken.Addr(), uintptr(thread), uintptr(accessMask), uintptr(_p0), uintptr(unsafe.Pointer(token))) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func revertToSelf() (err error) { + r1, _, e1 := syscall.SyscallN(procRevertToSelf.Addr()) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func backupRead(h windows.Handle, b []byte, bytesRead *uint32, abort bool, processSecurity bool, context *uintptr) (err error) { + var _p0 *byte + if len(b) > 0 { + _p0 = &b[0] + } + var _p1 uint32 + if abort { + _p1 = 1 + } + var _p2 uint32 + if processSecurity { + _p2 = 1 + } + r1, _, e1 := syscall.SyscallN(procBackupRead.Addr(), uintptr(h), uintptr(unsafe.Pointer(_p0)), uintptr(len(b)), uintptr(unsafe.Pointer(bytesRead)), uintptr(_p1), uintptr(_p2), uintptr(unsafe.Pointer(context))) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func backupWrite(h windows.Handle, b []byte, bytesWritten *uint32, abort bool, processSecurity bool, context *uintptr) (err error) { + var _p0 *byte + if len(b) > 0 { + _p0 = &b[0] + } + var _p1 uint32 + if abort { + _p1 = 1 + } + var _p2 uint32 + if processSecurity { + _p2 = 1 + } + r1, _, e1 := syscall.SyscallN(procBackupWrite.Addr(), uintptr(h), uintptr(unsafe.Pointer(_p0)), uintptr(len(b)), uintptr(unsafe.Pointer(bytesWritten)), uintptr(_p1), uintptr(_p2), uintptr(unsafe.Pointer(context))) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func cancelIoEx(file windows.Handle, o *windows.Overlapped) (err error) { + r1, _, e1 := syscall.SyscallN(procCancelIoEx.Addr(), uintptr(file), uintptr(unsafe.Pointer(o))) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func connectNamedPipe(pipe windows.Handle, o *windows.Overlapped) (err error) { + r1, _, e1 := syscall.SyscallN(procConnectNamedPipe.Addr(), uintptr(pipe), uintptr(unsafe.Pointer(o))) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func createIoCompletionPort(file windows.Handle, port windows.Handle, key uintptr, threadCount uint32) (newport windows.Handle, err error) { + r0, _, e1 := syscall.SyscallN(procCreateIoCompletionPort.Addr(), uintptr(file), uintptr(port), uintptr(key), uintptr(threadCount)) + newport = windows.Handle(r0) + if newport == 0 { + err = errnoErr(e1) + } + return +} + +func createNamedPipe(name string, flags uint32, pipeMode uint32, maxInstances uint32, outSize uint32, inSize uint32, defaultTimeout uint32, sa *windows.SecurityAttributes) (handle windows.Handle, err error) { + var _p0 *uint16 + _p0, err = syscall.UTF16PtrFromString(name) + if err != nil { + return + } + return _createNamedPipe(_p0, flags, pipeMode, maxInstances, outSize, inSize, defaultTimeout, sa) +} + +func _createNamedPipe(name *uint16, flags uint32, pipeMode uint32, maxInstances uint32, outSize uint32, inSize uint32, defaultTimeout uint32, sa *windows.SecurityAttributes) (handle windows.Handle, err error) { + r0, _, e1 := syscall.SyscallN(procCreateNamedPipeW.Addr(), uintptr(unsafe.Pointer(name)), uintptr(flags), uintptr(pipeMode), uintptr(maxInstances), uintptr(outSize), uintptr(inSize), uintptr(defaultTimeout), uintptr(unsafe.Pointer(sa))) + handle = windows.Handle(r0) + if handle == windows.InvalidHandle { + err = errnoErr(e1) + } + return +} + +func disconnectNamedPipe(pipe windows.Handle) (err error) { + r1, _, e1 := syscall.SyscallN(procDisconnectNamedPipe.Addr(), uintptr(pipe)) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func getCurrentThread() (h windows.Handle) { + r0, _, _ := syscall.SyscallN(procGetCurrentThread.Addr()) + h = windows.Handle(r0) + return +} + +func getNamedPipeHandleState(pipe windows.Handle, state *uint32, curInstances *uint32, maxCollectionCount *uint32, collectDataTimeout *uint32, userName *uint16, maxUserNameSize uint32) (err error) { + r1, _, e1 := syscall.SyscallN(procGetNamedPipeHandleStateW.Addr(), uintptr(pipe), uintptr(unsafe.Pointer(state)), uintptr(unsafe.Pointer(curInstances)), uintptr(unsafe.Pointer(maxCollectionCount)), uintptr(unsafe.Pointer(collectDataTimeout)), uintptr(unsafe.Pointer(userName)), uintptr(maxUserNameSize)) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func getNamedPipeInfo(pipe windows.Handle, flags *uint32, outSize *uint32, inSize *uint32, maxInstances *uint32) (err error) { + r1, _, e1 := syscall.SyscallN(procGetNamedPipeInfo.Addr(), uintptr(pipe), uintptr(unsafe.Pointer(flags)), uintptr(unsafe.Pointer(outSize)), uintptr(unsafe.Pointer(inSize)), uintptr(unsafe.Pointer(maxInstances))) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func getQueuedCompletionStatus(port windows.Handle, bytes *uint32, key *uintptr, o **ioOperation, timeout uint32) (err error) { + r1, _, e1 := syscall.SyscallN(procGetQueuedCompletionStatus.Addr(), uintptr(port), uintptr(unsafe.Pointer(bytes)), uintptr(unsafe.Pointer(key)), uintptr(unsafe.Pointer(o)), uintptr(timeout)) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func setFileCompletionNotificationModes(h windows.Handle, flags uint8) (err error) { + r1, _, e1 := syscall.SyscallN(procSetFileCompletionNotificationModes.Addr(), uintptr(h), uintptr(flags)) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func ntCreateNamedPipeFile(pipe *windows.Handle, access ntAccessMask, oa *objectAttributes, iosb *ioStatusBlock, share ntFileShareMode, disposition ntFileCreationDisposition, options ntFileOptions, typ uint32, readMode uint32, completionMode uint32, maxInstances uint32, inboundQuota uint32, outputQuota uint32, timeout *int64) (status ntStatus) { + r0, _, _ := syscall.SyscallN(procNtCreateNamedPipeFile.Addr(), uintptr(unsafe.Pointer(pipe)), uintptr(access), uintptr(unsafe.Pointer(oa)), uintptr(unsafe.Pointer(iosb)), uintptr(share), uintptr(disposition), uintptr(options), uintptr(typ), uintptr(readMode), uintptr(completionMode), uintptr(maxInstances), uintptr(inboundQuota), uintptr(outputQuota), uintptr(unsafe.Pointer(timeout))) + status = ntStatus(r0) + return +} + +func rtlDefaultNpAcl(dacl *uintptr) (status ntStatus) { + r0, _, _ := syscall.SyscallN(procRtlDefaultNpAcl.Addr(), uintptr(unsafe.Pointer(dacl))) + status = ntStatus(r0) + return +} + +func rtlDosPathNameToNtPathName(name *uint16, ntName *unicodeString, filePart uintptr, reserved uintptr) (status ntStatus) { + r0, _, _ := syscall.SyscallN(procRtlDosPathNameToNtPathName_U.Addr(), uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(ntName)), uintptr(filePart), uintptr(reserved)) + status = ntStatus(r0) + return +} + +func rtlNtStatusToDosError(status ntStatus) (winerr error) { + r0, _, _ := syscall.SyscallN(procRtlNtStatusToDosErrorNoTeb.Addr(), uintptr(status)) + if r0 != 0 { + winerr = syscall.Errno(r0) + } + return +} + +func wsaGetOverlappedResult(h windows.Handle, o *windows.Overlapped, bytes *uint32, wait bool, flags *uint32) (err error) { + var _p0 uint32 + if wait { + _p0 = 1 + } + r1, _, e1 := syscall.SyscallN(procWSAGetOverlappedResult.Addr(), uintptr(h), uintptr(unsafe.Pointer(o)), uintptr(unsafe.Pointer(bytes)), uintptr(_p0), uintptr(unsafe.Pointer(flags))) + if r1 == 0 { + err = errnoErr(e1) + } + return +} diff --git a/vendor/github.com/VictoriaMetrics/metrics/README.md b/vendor/github.com/VictoriaMetrics/metrics/README.md index 5eef96a66..4984dd93c 100644 --- a/vendor/github.com/VictoriaMetrics/metrics/README.md +++ b/vendor/github.com/VictoriaMetrics/metrics/README.md @@ -16,6 +16,9 @@ * Allows exporting distinct metric sets via distinct endpoints. See [Set](http://godoc.org/github.com/VictoriaMetrics/metrics#Set). * Supports [easy-to-use histograms](http://godoc.org/github.com/VictoriaMetrics/metrics#Histogram), which just work without any tuning. Read more about VictoriaMetrics histograms at [this article](https://medium.com/@valyala/improving-histogram-usability-for-prometheus-and-grafana-bc7e5df0e350). +* Can push metrics to VictoriaMetrics or to any other remote storage, which accepts metrics + in [Prometheus text exposition format](https://github.com/prometheus/docs/blob/main/content/docs/instrumenting/exposition_formats.md#text-based-format). + See [these docs](http://godoc.org/github.com/VictoriaMetrics/metrics#InitPush). ### Limitations @@ -28,8 +31,8 @@ ```go import "github.com/VictoriaMetrics/metrics" -// Register various time series. -// Time series name may contain labels in Prometheus format - see below. +// Register various metrics. +// Metric name may contain labels in Prometheus format - see below. var ( // Register counter without labels. requestsTotal = metrics.NewCounter("requests_total") @@ -64,10 +67,17 @@ func requestHandler() { http.HandleFunc("/metrics", func(w http.ResponseWriter, req *http.Request) { metrics.WritePrometheus(w, true) }) + +// ... or push registered metrics every 10 seconds to http://victoria-metrics:8428/api/v1/import/prometheus +// with the added `instance="foobar"` label to all the pushed metrics. +metrics.InitPush("http://victoria-metrics:8428/api/v1/import/prometheus", 10*time.Second, `instance="foobar"`, true) ``` -See [docs](http://godoc.org/github.com/VictoriaMetrics/metrics) for more info. +By default, exposed metrics [do not have](https://github.com/VictoriaMetrics/metrics/issues/48#issuecomment-1620765811) +`TYPE` or `HELP` meta information. Call [`ExposeMetadata(true)`](https://pkg.go.dev/github.com/VictoriaMetrics/metrics#ExposeMetadata) +in order to generate `TYPE` and `HELP` meta information per each metric. +See [docs](https://pkg.go.dev/github.com/VictoriaMetrics/metrics) for more info. ### Users @@ -86,8 +96,8 @@ Because the `github.com/prometheus/client_golang` is too complex and is hard to #### Why the `metrics.WritePrometheus` doesn't expose documentation for each metric? Because this documentation is ignored by Prometheus. The documentation is for users. -Just give meaningful names to the exported metrics or add comments in the source code -or in other suitable place explaining each metric exposed from your application. +Just give [meaningful names to the exported metrics](https://prometheus.io/docs/practices/naming/#metric-names) +or add comments in the source code or in other suitable place explaining each metric exposed from your application. #### How to implement [CounterVec](https://godoc.org/github.com/prometheus/client_golang/prometheus#CounterVec) in `metrics`? @@ -98,7 +108,9 @@ instead of `CounterVec.With`. See [this example](https://pkg.go.dev/github.com/V #### Why [Histogram](http://godoc.org/github.com/VictoriaMetrics/metrics#Histogram) buckets contain `vmrange` labels instead of `le` labels like in Prometheus histograms? -Buckets with `vmrange` labels occupy less disk space compared to Promethes-style buckets with `le` labels, +Buckets with `vmrange` labels occupy less disk space compared to Prometheus-style buckets with `le` labels, because `vmrange` buckets don't include counters for the previous ranges. [VictoriaMetrics](https://github.com/VictoriaMetrics/VictoriaMetrics) provides `prometheus_buckets` function, which converts `vmrange` buckets to Prometheus-style buckets with `le` labels. This is useful for building heatmaps in Grafana. -Additionally, its' `histogram_quantile` function transparently handles histogram buckets with `vmrange` labels. +Additionally, its `histogram_quantile` function transparently handles histogram buckets with `vmrange` labels. + +However, for compatibility purposes package provides classic [Prometheus Histograms](http://godoc.org/github.com/VictoriaMetrics/metrics#PrometheusHistogram) with `le` labels. diff --git a/vendor/github.com/VictoriaMetrics/metrics/counter.go b/vendor/github.com/VictoriaMetrics/metrics/counter.go index a7d954923..1076e80c2 100644 --- a/vendor/github.com/VictoriaMetrics/metrics/counter.go +++ b/vendor/github.com/VictoriaMetrics/metrics/counter.go @@ -11,9 +11,9 @@ import ( // name must be valid Prometheus-compatible metric with possible labels. // For instance, // -// * foo -// * foo{bar="baz"} -// * foo{bar="baz",aaa="b"} +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} // // The returned counter is safe to use from concurrent goroutines. func NewCounter(name string) *Counter { @@ -42,6 +42,11 @@ func (c *Counter) Add(n int) { atomic.AddUint64(&c.n, uint64(n)) } +// AddInt64 adds n to c. +func (c *Counter) AddInt64(n int64) { + atomic.AddUint64(&c.n, uint64(n)) +} + // Get returns the current value for c. func (c *Counter) Get() uint64 { return atomic.LoadUint64(&c.n) @@ -58,6 +63,10 @@ func (c *Counter) marshalTo(prefix string, w io.Writer) { fmt.Fprintf(w, "%s %d\n", prefix, v) } +func (c *Counter) metricType() string { + return "counter" +} + // GetOrCreateCounter returns registered counter with the given name // or creates new counter if the registry doesn't contain counter with // the given name. @@ -65,9 +74,9 @@ func (c *Counter) marshalTo(prefix string, w io.Writer) { // name must be valid Prometheus-compatible metric with possible labels. // For instance, // -// * foo -// * foo{bar="baz"} -// * foo{bar="baz",aaa="b"} +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} // // The returned counter is safe to use from concurrent goroutines. // diff --git a/vendor/github.com/VictoriaMetrics/metrics/floatcounter.go b/vendor/github.com/VictoriaMetrics/metrics/floatcounter.go index d01dd851e..8bd9fa67a 100644 --- a/vendor/github.com/VictoriaMetrics/metrics/floatcounter.go +++ b/vendor/github.com/VictoriaMetrics/metrics/floatcounter.go @@ -11,9 +11,9 @@ import ( // name must be valid Prometheus-compatible metric with possible labels. // For instance, // -// * foo -// * foo{bar="baz"} -// * foo{bar="baz",aaa="b"} +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} // // The returned counter is safe to use from concurrent goroutines. func NewFloatCounter(name string) *FloatCounter { @@ -63,6 +63,10 @@ func (fc *FloatCounter) marshalTo(prefix string, w io.Writer) { fmt.Fprintf(w, "%s %g\n", prefix, v) } +func (fc *FloatCounter) metricType() string { + return "counter" +} + // GetOrCreateFloatCounter returns registered FloatCounter with the given name // or creates new FloatCounter if the registry doesn't contain FloatCounter with // the given name. @@ -70,9 +74,9 @@ func (fc *FloatCounter) marshalTo(prefix string, w io.Writer) { // name must be valid Prometheus-compatible metric with possible labels. // For instance, // -// * foo -// * foo{bar="baz"} -// * foo{bar="baz",aaa="b"} +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} // // The returned FloatCounter is safe to use from concurrent goroutines. // diff --git a/vendor/github.com/VictoriaMetrics/metrics/gauge.go b/vendor/github.com/VictoriaMetrics/metrics/gauge.go index 05bf1473f..3573e1445 100644 --- a/vendor/github.com/VictoriaMetrics/metrics/gauge.go +++ b/vendor/github.com/VictoriaMetrics/metrics/gauge.go @@ -3,19 +3,21 @@ package metrics import ( "fmt" "io" + "math" + "sync/atomic" ) -// NewGauge registers and returns gauge with the given name, which calls f -// to obtain gauge value. +// NewGauge registers and returns gauge with the given name, which calls f to obtain gauge value. // // name must be valid Prometheus-compatible metric with possible labels. // For instance, // -// * foo -// * foo{bar="baz"} -// * foo{bar="baz",aaa="b"} +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} // // f must be safe for concurrent calls. +// if f is nil, then it is expected that the gauge value is changed via Set(), Inc(), Dec() and Add() calls. // // The returned gauge is safe to use from concurrent goroutines. // @@ -25,19 +27,68 @@ func NewGauge(name string, f func() float64) *Gauge { } // Gauge is a float64 gauge. -// -// See also Counter, which could be used as a gauge with Set and Dec calls. type Gauge struct { + // valueBits contains uint64 representation of float64 passed to Gauge.Set. + valueBits uint64 + + // f is a callback, which is called for returning the gauge value. f func() float64 } // Get returns the current value for g. func (g *Gauge) Get() float64 { - return g.f() + if f := g.f; f != nil { + return f() + } + n := atomic.LoadUint64(&g.valueBits) + return math.Float64frombits(n) +} + +// Set sets g value to v. +// +// The g must be created with nil callback in order to be able to call this function. +func (g *Gauge) Set(v float64) { + if g.f != nil { + panic(fmt.Errorf("cannot call Set on gauge created with non-nil callback")) + } + n := math.Float64bits(v) + atomic.StoreUint64(&g.valueBits, n) +} + +// Inc increments g by 1. +// +// The g must be created with nil callback in order to be able to call this function. +func (g *Gauge) Inc() { + g.Add(1) +} + +// Dec decrements g by 1. +// +// The g must be created with nil callback in order to be able to call this function. +func (g *Gauge) Dec() { + g.Add(-1) +} + +// Add adds fAdd to g. fAdd may be positive and negative. +// +// The g must be created with nil callback in order to be able to call this function. +func (g *Gauge) Add(fAdd float64) { + if g.f != nil { + panic(fmt.Errorf("cannot call Set on gauge created with non-nil callback")) + } + for { + n := atomic.LoadUint64(&g.valueBits) + f := math.Float64frombits(n) + fNew := f + fAdd + nNew := math.Float64bits(fNew) + if atomic.CompareAndSwapUint64(&g.valueBits, n, nNew) { + break + } + } } func (g *Gauge) marshalTo(prefix string, w io.Writer) { - v := g.f() + v := g.Get() if float64(int64(v)) == v { // Marshal integer values without scientific notation fmt.Fprintf(w, "%s %d\n", prefix, int64(v)) @@ -46,6 +97,10 @@ func (g *Gauge) marshalTo(prefix string, w io.Writer) { } } +func (g *Gauge) metricType() string { + return "gauge" +} + // GetOrCreateGauge returns registered gauge with the given name // or creates new gauge if the registry doesn't contain gauge with // the given name. @@ -53,9 +108,9 @@ func (g *Gauge) marshalTo(prefix string, w io.Writer) { // name must be valid Prometheus-compatible metric with possible labels. // For instance, // -// * foo -// * foo{bar="baz"} -// * foo{bar="baz",aaa="b"} +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} // // The returned gauge is safe to use from concurrent goroutines. // diff --git a/vendor/github.com/VictoriaMetrics/metrics/go.mod b/vendor/github.com/VictoriaMetrics/metrics/go.mod deleted file mode 100644 index 1202ec8d5..000000000 --- a/vendor/github.com/VictoriaMetrics/metrics/go.mod +++ /dev/null @@ -1,5 +0,0 @@ -module github.com/VictoriaMetrics/metrics - -require github.com/valyala/histogram v1.2.0 - -go 1.12 diff --git a/vendor/github.com/VictoriaMetrics/metrics/go.sum b/vendor/github.com/VictoriaMetrics/metrics/go.sum deleted file mode 100644 index b94ade699..000000000 --- a/vendor/github.com/VictoriaMetrics/metrics/go.sum +++ /dev/null @@ -1,4 +0,0 @@ -github.com/valyala/fastrand v1.1.0 h1:f+5HkLW4rsgzdNoleUOB69hyT9IlD2ZQh9GyDMfb5G8= -github.com/valyala/fastrand v1.1.0/go.mod h1:HWqCzkrkg6QXT8V2EXWvXCoow7vLwOFN002oeRzjapQ= -github.com/valyala/histogram v1.2.0 h1:wyYGAZZt3CpwUiIb9AU/Zbllg1llXyrtApRS815OLoQ= -github.com/valyala/histogram v1.2.0/go.mod h1:Hb4kBwb4UxsaNbbbh+RRz8ZR6pdodR57tzWUS3BUzXY= diff --git a/vendor/github.com/VictoriaMetrics/metrics/go_metrics.go b/vendor/github.com/VictoriaMetrics/metrics/go_metrics.go index f8b606731..2913dc79b 100644 --- a/vendor/github.com/VictoriaMetrics/metrics/go_metrics.go +++ b/vendor/github.com/VictoriaMetrics/metrics/go_metrics.go @@ -3,41 +3,78 @@ package metrics import ( "fmt" "io" + "log" + "math" "runtime" + runtimemetrics "runtime/metrics" + "strings" "github.com/valyala/histogram" ) +// See https://pkg.go.dev/runtime/metrics#hdr-Supported_metrics +var runtimeMetrics = [][2]string{ + {"/sched/latencies:seconds", "go_sched_latencies_seconds"}, + {"/sync/mutex/wait/total:seconds", "go_mutex_wait_seconds_total"}, + {"/cpu/classes/gc/mark/assist:cpu-seconds", "go_gc_mark_assist_cpu_seconds_total"}, + {"/cpu/classes/gc/total:cpu-seconds", "go_gc_cpu_seconds_total"}, + {"/gc/pauses:seconds", "go_gc_pauses_seconds"}, + {"/cpu/classes/scavenge/total:cpu-seconds", "go_scavenge_cpu_seconds_total"}, + {"/gc/gomemlimit:bytes", "go_memlimit_bytes"}, +} + +var supportedRuntimeMetrics = initSupportedRuntimeMetrics(runtimeMetrics) + +func initSupportedRuntimeMetrics(rms [][2]string) [][2]string { + exposedMetrics := make(map[string]struct{}) + for _, d := range runtimemetrics.All() { + exposedMetrics[d.Name] = struct{}{} + } + var supportedMetrics [][2]string + for _, rm := range rms { + metricName := rm[0] + if _, ok := exposedMetrics[metricName]; ok { + supportedMetrics = append(supportedMetrics, rm) + } else { + log.Printf("github.com/VictoriaMetrics/metrics: do not expose %s metric, since the corresponding metric %s isn't supported in the current Go runtime", rm[1], metricName) + } + } + return supportedMetrics +} + func writeGoMetrics(w io.Writer) { + writeRuntimeMetrics(w) + var ms runtime.MemStats runtime.ReadMemStats(&ms) - fmt.Fprintf(w, "go_memstats_alloc_bytes %d\n", ms.Alloc) - fmt.Fprintf(w, "go_memstats_alloc_bytes_total %d\n", ms.TotalAlloc) - fmt.Fprintf(w, "go_memstats_buck_hash_sys_bytes %d\n", ms.BuckHashSys) - fmt.Fprintf(w, "go_memstats_frees_total %d\n", ms.Frees) - fmt.Fprintf(w, "go_memstats_gc_cpu_fraction %g\n", ms.GCCPUFraction) - fmt.Fprintf(w, "go_memstats_gc_sys_bytes %d\n", ms.GCSys) - fmt.Fprintf(w, "go_memstats_heap_alloc_bytes %d\n", ms.HeapAlloc) - fmt.Fprintf(w, "go_memstats_heap_idle_bytes %d\n", ms.HeapIdle) - fmt.Fprintf(w, "go_memstats_heap_inuse_bytes %d\n", ms.HeapInuse) - fmt.Fprintf(w, "go_memstats_heap_objects %d\n", ms.HeapObjects) - fmt.Fprintf(w, "go_memstats_heap_released_bytes %d\n", ms.HeapReleased) - fmt.Fprintf(w, "go_memstats_heap_sys_bytes %d\n", ms.HeapSys) - fmt.Fprintf(w, "go_memstats_last_gc_time_seconds %g\n", float64(ms.LastGC)/1e9) - fmt.Fprintf(w, "go_memstats_lookups_total %d\n", ms.Lookups) - fmt.Fprintf(w, "go_memstats_mallocs_total %d\n", ms.Mallocs) - fmt.Fprintf(w, "go_memstats_mcache_inuse_bytes %d\n", ms.MCacheInuse) - fmt.Fprintf(w, "go_memstats_mcache_sys_bytes %d\n", ms.MCacheSys) - fmt.Fprintf(w, "go_memstats_mspan_inuse_bytes %d\n", ms.MSpanInuse) - fmt.Fprintf(w, "go_memstats_mspan_sys_bytes %d\n", ms.MSpanSys) - fmt.Fprintf(w, "go_memstats_next_gc_bytes %d\n", ms.NextGC) - fmt.Fprintf(w, "go_memstats_other_sys_bytes %d\n", ms.OtherSys) - fmt.Fprintf(w, "go_memstats_stack_inuse_bytes %d\n", ms.StackInuse) - fmt.Fprintf(w, "go_memstats_stack_sys_bytes %d\n", ms.StackSys) - fmt.Fprintf(w, "go_memstats_sys_bytes %d\n", ms.Sys) - - fmt.Fprintf(w, "go_cgo_calls_count %d\n", runtime.NumCgoCall()) - fmt.Fprintf(w, "go_cpu_count %d\n", runtime.NumCPU()) + WriteGaugeUint64(w, "go_memstats_alloc_bytes", ms.Alloc) + WriteCounterUint64(w, "go_memstats_alloc_bytes_total", ms.TotalAlloc) + WriteGaugeUint64(w, "go_memstats_buck_hash_sys_bytes", ms.BuckHashSys) + WriteCounterUint64(w, "go_memstats_frees_total", ms.Frees) + WriteGaugeFloat64(w, "go_memstats_gc_cpu_fraction", ms.GCCPUFraction) + WriteGaugeUint64(w, "go_memstats_gc_sys_bytes", ms.GCSys) + + WriteGaugeUint64(w, "go_memstats_heap_alloc_bytes", ms.HeapAlloc) + WriteGaugeUint64(w, "go_memstats_heap_idle_bytes", ms.HeapIdle) + WriteGaugeUint64(w, "go_memstats_heap_inuse_bytes", ms.HeapInuse) + WriteGaugeUint64(w, "go_memstats_heap_objects", ms.HeapObjects) + WriteGaugeUint64(w, "go_memstats_heap_released_bytes", ms.HeapReleased) + WriteGaugeUint64(w, "go_memstats_heap_sys_bytes", ms.HeapSys) + WriteGaugeFloat64(w, "go_memstats_last_gc_time_seconds", float64(ms.LastGC)/1e9) + WriteCounterUint64(w, "go_memstats_lookups_total", ms.Lookups) + WriteCounterUint64(w, "go_memstats_mallocs_total", ms.Mallocs) + WriteGaugeUint64(w, "go_memstats_mcache_inuse_bytes", ms.MCacheInuse) + WriteGaugeUint64(w, "go_memstats_mcache_sys_bytes", ms.MCacheSys) + WriteGaugeUint64(w, "go_memstats_mspan_inuse_bytes", ms.MSpanInuse) + WriteGaugeUint64(w, "go_memstats_mspan_sys_bytes", ms.MSpanSys) + WriteGaugeUint64(w, "go_memstats_next_gc_bytes", ms.NextGC) + WriteGaugeUint64(w, "go_memstats_other_sys_bytes", ms.OtherSys) + WriteGaugeUint64(w, "go_memstats_stack_inuse_bytes", ms.StackInuse) + WriteGaugeUint64(w, "go_memstats_stack_sys_bytes", ms.StackSys) + WriteGaugeUint64(w, "go_memstats_sys_bytes", ms.Sys) + + WriteCounterUint64(w, "go_cgo_calls_count", uint64(runtime.NumCgoCall())) + WriteGaugeUint64(w, "go_cpu_count", uint64(runtime.NumCPU())) gcPauses := histogram.NewFast() for _, pauseNs := range ms.PauseNs[:] { @@ -45,20 +82,111 @@ func writeGoMetrics(w io.Writer) { } phis := []float64{0, 0.25, 0.5, 0.75, 1} quantiles := make([]float64, 0, len(phis)) + WriteMetadataIfNeeded(w, "go_gc_duration_seconds", "summary") for i, q := range gcPauses.Quantiles(quantiles[:0], phis) { fmt.Fprintf(w, `go_gc_duration_seconds{quantile="%g"} %g`+"\n", phis[i], q) } - fmt.Fprintf(w, `go_gc_duration_seconds_sum %g`+"\n", float64(ms.PauseTotalNs)/1e9) - fmt.Fprintf(w, `go_gc_duration_seconds_count %d`+"\n", ms.NumGC) - fmt.Fprintf(w, `go_gc_forced_count %d`+"\n", ms.NumForcedGC) + fmt.Fprintf(w, "go_gc_duration_seconds_sum %g\n", float64(ms.PauseTotalNs)/1e9) + fmt.Fprintf(w, "go_gc_duration_seconds_count %d\n", ms.NumGC) + + WriteCounterUint64(w, "go_gc_forced_count", uint64(ms.NumForcedGC)) - fmt.Fprintf(w, `go_gomaxprocs %d`+"\n", runtime.GOMAXPROCS(0)) - fmt.Fprintf(w, `go_goroutines %d`+"\n", runtime.NumGoroutine()) + WriteGaugeUint64(w, "go_gomaxprocs", uint64(runtime.GOMAXPROCS(0))) + WriteGaugeUint64(w, "go_goroutines", uint64(runtime.NumGoroutine())) numThread, _ := runtime.ThreadCreateProfile(nil) - fmt.Fprintf(w, `go_threads %d`+"\n", numThread) + WriteGaugeUint64(w, "go_threads", uint64(numThread)) // Export build details. + WriteMetadataIfNeeded(w, "go_info", "gauge") fmt.Fprintf(w, "go_info{version=%q} 1\n", runtime.Version()) + + WriteMetadataIfNeeded(w, "go_info_ext", "gauge") fmt.Fprintf(w, "go_info_ext{compiler=%q, GOARCH=%q, GOOS=%q, GOROOT=%q} 1\n", runtime.Compiler, runtime.GOARCH, runtime.GOOS, runtime.GOROOT()) } + +func writeRuntimeMetrics(w io.Writer) { + samples := make([]runtimemetrics.Sample, len(supportedRuntimeMetrics)) + for i, rm := range supportedRuntimeMetrics { + samples[i].Name = rm[0] + } + runtimemetrics.Read(samples) + for i, rm := range supportedRuntimeMetrics { + writeRuntimeMetric(w, rm[1], &samples[i]) + } +} + +func writeRuntimeMetric(w io.Writer, name string, sample *runtimemetrics.Sample) { + kind := sample.Value.Kind() + switch kind { + case runtimemetrics.KindBad: + panic(fmt.Errorf("BUG: unexpected runtimemetrics.KindBad for sample.Name=%q", sample.Name)) + case runtimemetrics.KindUint64: + v := sample.Value.Uint64() + if strings.HasSuffix(name, "_total") { + WriteCounterUint64(w, name, v) + } else { + WriteGaugeUint64(w, name, v) + } + case runtimemetrics.KindFloat64: + v := sample.Value.Float64() + if isCounterName(name) { + WriteCounterFloat64(w, name, v) + } else { + WriteGaugeFloat64(w, name, v) + } + case runtimemetrics.KindFloat64Histogram: + h := sample.Value.Float64Histogram() + writeRuntimeHistogramMetric(w, name, h) + default: + panic(fmt.Errorf("unexpected metric kind=%d", kind)) + } +} + +func writeRuntimeHistogramMetric(w io.Writer, name string, h *runtimemetrics.Float64Histogram) { + buckets := h.Buckets + counts := h.Counts + if len(buckets) != len(counts)+1 { + panic(fmt.Errorf("the number of buckets must be bigger than the number of counts by 1 in histogram %s; got buckets=%d, counts=%d", name, len(buckets), len(counts))) + } + tailCount := uint64(0) + if strings.HasSuffix(name, "_seconds") { + // Limit the maximum bucket to 1 second, since Go runtime exposes buckets with 10K seconds, + // which have little sense. At the same time such buckets may lead to high cardinality issues + // at the scraper side. + for len(buckets) > 0 && buckets[len(buckets)-1] > 1 { + buckets = buckets[:len(buckets)-1] + tailCount += counts[len(counts)-1] + counts = counts[:len(counts)-1] + } + } + + iStep := float64(len(buckets)) / maxRuntimeHistogramBuckets + + totalCount := uint64(0) + iNext := 0.0 + WriteMetadataIfNeeded(w, name, "histogram") + for i, count := range counts { + totalCount += count + if float64(i) >= iNext { + iNext += iStep + le := buckets[i+1] + if !math.IsInf(le, 1) { + fmt.Fprintf(w, `%s_bucket{le="%g"} %d`+"\n", name, le, totalCount) + } + } + } + totalCount += tailCount + fmt.Fprintf(w, `%s_bucket{le="+Inf"} %d`+"\n", name, totalCount) + // _sum and _count are not exposed because the Go runtime histogram lacks accurate sum data. + // Estimating the sum (as Prometheus does) could be misleading, while exposing only `_count` without `_sum` is impractical. + // We can reconsider if precise sum data becomes available. + // + // References: + // - Go runtime histogram: https://github.com/golang/go/blob/3432c68467d50ffc622fed230a37cd401d82d4bf/src/runtime/metrics/histogram.go#L8 + // - Prometheus estimate: https://github.com/prometheus/client_golang/blob/5fe1d33cea76068edd4ece5f58e52f81d225b13c/prometheus/go_collector_latest.go#L498 + // - Related discussion: https://github.com/VictoriaMetrics/metrics/issues/94 +} + +// Limit the number of buckets for Go runtime histograms in order to prevent from high cardinality issues at scraper side. +const maxRuntimeHistogramBuckets = 30 diff --git a/vendor/github.com/VictoriaMetrics/metrics/histogram.go b/vendor/github.com/VictoriaMetrics/metrics/histogram.go index b0e8d575f..d07ce32e7 100644 --- a/vendor/github.com/VictoriaMetrics/metrics/histogram.go +++ b/vendor/github.com/VictoriaMetrics/metrics/histogram.go @@ -25,20 +25,20 @@ var bucketMultiplier = math.Pow(10, 1.0/bucketsPerDecimal) // Each bucket contains a counter for values in the given range. // Each non-empty bucket is exposed via the following metric: // -// _bucket{,vmrange="..."} +// _bucket{,vmrange="..."} // // Where: // -// - is the metric name passed to NewHistogram -// - is optional tags for the , which are passed to NewHistogram -// - and - start and end values for the given bucket -// - - the number of hits to the given bucket during Update* calls +// - is the metric name passed to NewHistogram +// - is optional tags for the , which are passed to NewHistogram +// - and - start and end values for the given bucket +// - - the number of hits to the given bucket during Update* calls // // Histogram buckets can be converted to Prometheus-like buckets with `le` labels // with `prometheus_buckets(_bucket)` function from PromQL extensions in VictoriaMetrics. -// (see https://github.com/VictoriaMetrics/VictoriaMetrics/wiki/MetricsQL ): +// (see https://docs.victoriametrics.com/victoriametrics/metricsql/ ): // -// prometheus_buckets(request_duration_bucket) +// prometheus_buckets(request_duration_bucket) // // Time series produced by the Histogram have better compression ratio comparing to // Prometheus histogram buckets with `le` labels, since they don't include counters @@ -46,14 +46,22 @@ var bucketMultiplier = math.Pow(10, 1.0/bucketsPerDecimal) // // Zero histogram is usable. type Histogram struct { - // Mu gurantees synchronous update for all the counters and sum. + // Mu guarantees synchronous update for all the counters and sum. + // + // Do not use sync.RWMutex, since it has zero sense from performance PoV. + // It only complicates the code. mu sync.Mutex + // decimalBuckets contains counters for histogram buckets decimalBuckets [decimalBucketsCount]*[bucketsPerDecimal]uint64 + // lower is the number of values, which hit the lower bucket lower uint64 + + // upper is the number of values, which hit the upper bucket upper uint64 + // sum is the sum of all the values put into Histogram sum float64 } @@ -109,6 +117,34 @@ func (h *Histogram) Update(v float64) { h.mu.Unlock() } +// Merge merges src to h +func (h *Histogram) Merge(src *Histogram) { + h.mu.Lock() + defer h.mu.Unlock() + + src.mu.Lock() + defer src.mu.Unlock() + + h.lower += src.lower + h.upper += src.upper + h.sum += src.sum + + for i, dbSrc := range src.decimalBuckets { + if dbSrc == nil { + continue + } + dbDst := h.decimalBuckets[i] + if dbDst == nil { + var b [bucketsPerDecimal]uint64 + dbDst = &b + h.decimalBuckets[i] = dbDst + } + for j := range dbSrc { + dbDst[j] += dbSrc[j] + } + } +} + // VisitNonZeroBuckets calls f for all buckets with non-zero counters. // // vmrange contains "..." string with bucket bounds. The lower bound @@ -143,9 +179,9 @@ func (h *Histogram) VisitNonZeroBuckets(f func(vmrange string, count uint64)) { // name must be valid Prometheus-compatible metric with possible labels. // For instance, // -// * foo -// * foo{bar="baz"} -// * foo{bar="baz",aaa="b"} +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} // // The returned histogram is safe to use from concurrent goroutines. func NewHistogram(name string) *Histogram { @@ -159,9 +195,9 @@ func NewHistogram(name string) *Histogram { // name must be valid Prometheus-compatible metric with possible labels. // For instance, // -// * foo -// * foo{bar="baz"} -// * foo{bar="baz",aaa="b"} +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} // // The returned histogram is safe to use from concurrent goroutines. // @@ -228,3 +264,7 @@ func (h *Histogram) getSum() float64 { h.mu.Unlock() return sum } + +func (h *Histogram) metricType() string { + return "histogram" +} diff --git a/vendor/github.com/VictoriaMetrics/metrics/metrics.go b/vendor/github.com/VictoriaMetrics/metrics/metrics.go index c28c03613..fc121f81b 100644 --- a/vendor/github.com/VictoriaMetrics/metrics/metrics.go +++ b/vendor/github.com/VictoriaMetrics/metrics/metrics.go @@ -5,41 +5,106 @@ // // Usage: // -// 1. Register the required metrics via New* functions. -// 2. Expose them to `/metrics` page via WritePrometheus. -// 3. Update the registered metrics during application lifetime. +// 1. Register the required metrics via New* functions. +// 2. Expose them to `/metrics` page via WritePrometheus. +// 3. Update the registered metrics during application lifetime. // // The package has been extracted from https://victoriametrics.com/ package metrics import ( + "fmt" "io" + "sort" + "strings" + "sync" + "sync/atomic" + "unsafe" ) type namedMetric struct { name string metric metric + isAux bool } type metric interface { marshalTo(prefix string, w io.Writer) + metricType() string } var defaultSet = NewSet() -// WritePrometheus writes all the registered metrics in Prometheus format to w. +func init() { + RegisterSet(defaultSet) +} + +var ( + registeredSets = make(map[*Set]struct{}) + registeredSetsLock sync.Mutex +) + +// RegisterSet registers the given set s for metrics export via global WritePrometheus() call. +// +// See also UnregisterSet. +func RegisterSet(s *Set) { + registeredSetsLock.Lock() + registeredSets[s] = struct{}{} + registeredSetsLock.Unlock() +} + +// UnregisterSet stops exporting metrics for the given s via global WritePrometheus() call. +// +// If destroySet is set to true, then s.UnregisterAllMetrics() is called on s after unregistering it, +// so s becomes destroyed. Otherwise the s can be registered again in the set by passing it to RegisterSet(). +func UnregisterSet(s *Set, destroySet bool) { + registeredSetsLock.Lock() + delete(registeredSets, s) + registeredSetsLock.Unlock() + + if destroySet { + s.UnregisterAllMetrics() + } +} + +// RegisterMetricsWriter registers writeMetrics callback for including metrics in the output generated by WritePrometheus. +// +// The writeMetrics callback must write metrics to w in Prometheus text exposition format without timestamps and trailing comments. +// The last line generated by writeMetrics must end with \n. +// See https://github.com/prometheus/docs/blob/main/content/docs/instrumenting/exposition_formats.md#text-based-format +// +// It is OK to register multiple writeMetrics callbacks - all of them will be called sequentially for gererating the output at WritePrometheus. +func RegisterMetricsWriter(writeMetrics func(w io.Writer)) { + defaultSet.RegisterMetricsWriter(writeMetrics) +} + +// WritePrometheus writes all the metrics in Prometheus format from the default set, all the added sets and metrics writers to w. +// +// Additional sets can be registered via RegisterSet() call. +// Additional metric writers can be registered via RegisterMetricsWriter() call. // // If exposeProcessMetrics is true, then various `go_*` and `process_*` metrics // are exposed for the current process. // // The WritePrometheus func is usually called inside "/metrics" handler: // -// http.HandleFunc("/metrics", func(w http.ResponseWriter, req *http.Request) { -// metrics.WritePrometheus(w, true) -// }) -// +// http.HandleFunc("/metrics", func(w http.ResponseWriter, req *http.Request) { +// metrics.WritePrometheus(w, true) +// }) func WritePrometheus(w io.Writer, exposeProcessMetrics bool) { - defaultSet.WritePrometheus(w) + registeredSetsLock.Lock() + sets := make([]*Set, 0, len(registeredSets)) + for s := range registeredSets { + sets = append(sets, s) + } + registeredSetsLock.Unlock() + + sort.Slice(sets, func(i, j int) bool { + return uintptr(unsafe.Pointer(sets[i])) < uintptr(unsafe.Pointer(sets[j])) + }) + for _, s := range sets { + s.WritePrometheus(w) + } if exposeProcessMetrics { WriteProcessMetrics(w) } @@ -50,55 +115,137 @@ func WritePrometheus(w io.Writer, exposeProcessMetrics bool) { // The following `go_*` and `process_*` metrics are exposed for the currently // running process. Below is a short description for the exposed `process_*` metrics: // -// - process_cpu_seconds_system_total - CPU time spent in syscalls -// - process_cpu_seconds_user_total - CPU time spent in userspace -// - process_cpu_seconds_total - CPU time spent by the process -// - process_major_pagefaults_total - page faults resulted in disk IO -// - process_minor_pagefaults_total - page faults resolved without disk IO -// - process_resident_memory_bytes - recently accessed memory (aka RSS or resident memory) -// - process_resident_memory_peak_bytes - the maximum RSS memory usage -// - process_resident_memory_anon_bytes - RSS for memory-mapped files -// - process_resident_memory_file_bytes - RSS for memory allocated by the process -// - process_resident_memory_shared_bytes - RSS for memory shared between multiple processes -// - process_virtual_memory_bytes - virtual memory usage -// - process_virtual_memory_peak_bytes - the maximum virtual memory usage -// - process_num_threads - the number of threads -// - process_start_time_seconds - process start time as unix timestamp -// -// - process_io_read_bytes_total - the number of bytes read via syscalls -// - process_io_written_bytes_total - the number of bytes written via syscalls -// - process_io_read_syscalls_total - the number of read syscalls -// - process_io_write_syscalls_total - the number of write syscalls -// - process_io_storage_read_bytes_total - the number of bytes actually read from disk -// - process_io_storage_written_bytes_total - the number of bytes actually written to disk -// -// - go_memstats_alloc_bytes - memory usage for Go objects in the heap -// - go_memstats_alloc_bytes_total - the cumulative counter for total size of allocated Go objects -// - go_memstats_frees_total - the cumulative counter for number of freed Go objects -// - go_memstats_gc_cpu_fraction - the fraction of CPU spent in Go garbage collector -// - go_memstats_gc_sys_bytes - the size of Go garbage collector metadata -// - go_memstats_heap_alloc_bytes - the same as go_memstats_alloc_bytes -// - go_memstats_heap_idle_bytes - idle memory ready for new Go object allocations -// - go_memstats_heap_objects - the number of Go objects in the heap -// - go_memstats_heap_sys_bytes - memory requested for Go objects from the OS -// - go_memstats_mallocs_total - the number of allocations for Go objects -// - go_memstats_next_gc_bytes - the target heap size when the next garbage collection should start -// - go_memstats_stack_inuse_bytes - memory used for goroutine stacks -// - go_memstats_stack_sys_bytes - memory requested fromthe OS for goroutine stacks -// - go_memstats_sys_bytes - memory requested by Go runtime from the OS +// - process_cpu_seconds_system_total - CPU time spent in syscalls +// +// - process_cpu_seconds_user_total - CPU time spent in userspace +// +// - process_cpu_seconds_total - CPU time spent by the process +// +// - process_major_pagefaults_total - page faults resulted in disk IO +// +// - process_minor_pagefaults_total - page faults resolved without disk IO +// +// - process_resident_memory_bytes - recently accessed memory (aka RSS or resident memory) +// +// - process_resident_memory_peak_bytes - the maximum RSS memory usage +// +// - process_resident_memory_anon_bytes - RSS for memory-mapped files +// +// - process_resident_memory_file_bytes - RSS for memory allocated by the process +// +// - process_resident_memory_shared_bytes - RSS for memory shared between multiple processes +// +// - process_virtual_memory_bytes - virtual memory usage +// +// - process_virtual_memory_peak_bytes - the maximum virtual memory usage +// +// - process_num_threads - the number of threads +// +// - process_start_time_seconds - process start time as unix timestamp +// +// - process_io_read_bytes_total - the number of bytes read via syscalls +// +// - process_io_written_bytes_total - the number of bytes written via syscalls +// +// - process_io_read_syscalls_total - the number of read syscalls +// +// - process_io_write_syscalls_total - the number of write syscalls +// +// - process_io_storage_read_bytes_total - the number of bytes actually read from disk +// +// - process_io_storage_written_bytes_total - the number of bytes actually written to disk +// +// - process_pressure_cpu_waiting_seconds_total - the number of seconds processes in the current cgroup v2 were waiting to be executed +// +// - process_pressure_cpu_stalled_seconds_total - the number of seconds all the processes in the current cgroup v2 were stalled +// +// - process_pressure_io_waiting_seconds_total - the number of seconds processes in the current cgroup v2 were waiting for io to complete +// +// - process_pressure_io_stalled_seconds_total - the number of seconds all the processes in the current cgroup v2 were waiting for io to complete +// +// - process_pressure_memory_waiting_seconds_total - the number of seconds processes in the current cgroup v2 were waiting for memory access to complete +// +// - process_pressure_memory_stalled_seconds_total - the number of seconds all the processes in the current cgroup v2 were waiting for memory access to complete +// +// - go_sched_latencies_seconds - time spent by goroutines in ready state before they start execution +// +// - go_mutex_wait_seconds_total - summary time spent by all the goroutines while waiting for locked mutex +// +// - go_gc_mark_assist_cpu_seconds_total - summary CPU time spent by goroutines in GC mark assist state +// +// - go_gc_cpu_seconds_total - summary time spent in GC +// +// - go_gc_pauses_seconds - duration of GC pauses +// +// - go_scavenge_cpu_seconds_total - CPU time spent on returning the memory to OS +// +// - go_memlimit_bytes - the GOMEMLIMIT env var value +// +// - go_memstats_alloc_bytes - memory usage for Go objects in the heap +// +// - go_memstats_alloc_bytes_total - the cumulative counter for total size of allocated Go objects +// +// - go_memstats_buck_hash_sys_bytes - bytes of memory in profiling bucket hash tables +// +// - go_memstats_frees_total - the cumulative counter for number of freed Go objects +// +// - go_memstats_gc_cpu_fraction - the fraction of CPU spent in Go garbage collector +// +// - go_memstats_gc_sys_bytes - the size of Go garbage collector metadata +// +// - go_memstats_heap_alloc_bytes - the same as go_memstats_alloc_bytes +// +// - go_memstats_heap_idle_bytes - idle memory ready for new Go object allocations +// +// - go_memstats_heap_inuse_bytes - bytes in in-use spans +// +// - go_memstats_heap_objects - the number of Go objects in the heap +// +// - go_memstats_heap_released_bytes - bytes of physical memory returned to the OS +// +// - go_memstats_heap_sys_bytes - memory requested for Go objects from the OS +// +// - go_memstats_last_gc_time_seconds - unix timestamp the last garbage collection finished +// +// - go_memstats_lookups_total - the number of pointer lookups performed by the runtime +// +// - go_memstats_mallocs_total - the number of allocations for Go objects +// +// - go_memstats_mcache_inuse_bytes - bytes of allocated mcache structures +// +// - go_memstats_mcache_sys_bytes - bytes of memory obtained from the OS for mcache structures +// +// - go_memstats_mspan_inuse_bytes - bytes of allocated mspan structures +// +// - go_memstats_mspan_sys_bytes - bytes of memory obtained from the OS for mspan structures +// +// - go_memstats_next_gc_bytes - the target heap size when the next garbage collection should start +// +// - go_memstats_other_sys_bytes - bytes of memory in miscellaneous off-heap runtime allocations +// +// - go_memstats_stack_inuse_bytes - memory used for goroutine stacks +// +// - go_memstats_stack_sys_bytes - memory requested fromthe OS for goroutine stacks +// +// - go_memstats_sys_bytes - memory requested by Go runtime from the OS +// +// - go_cgo_calls_count - the total number of CGO calls +// +// - go_cpu_count - the number of CPU cores on the host where the app runs // // The WriteProcessMetrics func is usually called in combination with writing Set metrics // inside "/metrics" handler: // -// http.HandleFunc("/metrics", func(w http.ResponseWriter, req *http.Request) { -// mySet.WritePrometheus(w) -// metrics.WriteProcessMetrics(w) -// }) +// http.HandleFunc("/metrics", func(w http.ResponseWriter, req *http.Request) { +// mySet.WritePrometheus(w) +// metrics.WriteProcessMetrics(w) +// }) // -// See also WrteFDMetrics. +// See also WriteFDMetrics. func WriteProcessMetrics(w io.Writer) { writeGoMetrics(w) writeProcessMetrics(w) + writePushMetrics(w) } // WriteFDMetrics writes `process_max_fds` and `process_open_fds` metrics to w. @@ -107,6 +254,102 @@ func WriteFDMetrics(w io.Writer) { } // UnregisterMetric removes metric with the given name from default set. +// +// See also UnregisterAllMetrics. func UnregisterMetric(name string) bool { return defaultSet.UnregisterMetric(name) } + +// UnregisterAllMetrics unregisters all the metrics from default set. +// +// It also unregisters writeMetrics callbacks passed to RegisterMetricsWriter. +func UnregisterAllMetrics() { + defaultSet.UnregisterAllMetrics() +} + +// ListMetricNames returns sorted list of all the metric names from default set. +func ListMetricNames() []string { + return defaultSet.ListMetricNames() +} + +// GetDefaultSet returns the default metrics set. +func GetDefaultSet() *Set { + return defaultSet +} + +// ExposeMetadata allows enabling adding TYPE and HELP metadata to the exposed metrics globally. +// +// It is safe to call this method multiple times. It is allowed to change it in runtime. +// ExposeMetadata is set to false by default. +func ExposeMetadata(v bool) { + n := 0 + if v { + n = 1 + } + atomic.StoreUint32(&exposeMetadata, uint32(n)) +} + +func isMetadataEnabled() bool { + n := atomic.LoadUint32(&exposeMetadata) + return n != 0 +} + +var exposeMetadata uint32 + +func isCounterName(name string) bool { + return strings.HasSuffix(name, "_total") +} + +// WriteGaugeUint64 writes gauge metric with the given name and value to w in Prometheus text exposition format. +func WriteGaugeUint64(w io.Writer, name string, value uint64) { + writeMetricUint64(w, name, "gauge", value) +} + +// WriteGaugeFloat64 writes gauge metric with the given name and value to w in Prometheus text exposition format. +func WriteGaugeFloat64(w io.Writer, name string, value float64) { + writeMetricFloat64(w, name, "gauge", value) +} + +// WriteCounterUint64 writes counter metric with the given name and value to w in Prometheus text exposition format. +func WriteCounterUint64(w io.Writer, name string, value uint64) { + writeMetricUint64(w, name, "counter", value) +} + +// WriteCounterFloat64 writes counter metric with the given name and value to w in Prometheus text exposition format. +func WriteCounterFloat64(w io.Writer, name string, value float64) { + writeMetricFloat64(w, name, "counter", value) +} + +func writeMetricUint64(w io.Writer, metricName, metricType string, value uint64) { + WriteMetadataIfNeeded(w, metricName, metricType) + fmt.Fprintf(w, "%s %d\n", metricName, value) +} + +func writeMetricFloat64(w io.Writer, metricName, metricType string, value float64) { + WriteMetadataIfNeeded(w, metricName, metricType) + fmt.Fprintf(w, "%s %g\n", metricName, value) +} + +// WriteMetadataIfNeeded writes HELP and TYPE metadata for the given metricName and metricType if this is globally enabled via ExposeMetadata(). +// +// If the metadata exposition isn't enabled, then this function is no-op. +func WriteMetadataIfNeeded(w io.Writer, metricName, metricType string) { + if !isMetadataEnabled() { + return + } + metricFamily := getMetricFamily(metricName) + writeMetadata(w, metricFamily, metricType) +} + +func writeMetadata(w io.Writer, metricFamily, metricType string) { + fmt.Fprintf(w, "# HELP %s\n", metricFamily) + fmt.Fprintf(w, "# TYPE %s %s\n", metricFamily, metricType) +} + +func getMetricFamily(metricName string) string { + n := strings.IndexByte(metricName, '{') + if n < 0 { + return metricName + } + return metricName[:n] +} diff --git a/vendor/github.com/VictoriaMetrics/metrics/process_metrics_linux.go b/vendor/github.com/VictoriaMetrics/metrics/process_metrics_linux.go index 12b5de8e3..6c07cecb6 100644 --- a/vendor/github.com/VictoriaMetrics/metrics/process_metrics_linux.go +++ b/vendor/github.com/VictoriaMetrics/metrics/process_metrics_linux.go @@ -9,12 +9,18 @@ import ( "os" "strconv" "strings" + "sync/atomic" "time" ) // See https://github.com/prometheus/procfs/blob/a4ac0826abceb44c40fc71daed2b301db498b93e/proc_stat.go#L40 . const userHZ = 100 +// Different environments may have different page size. +// +// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/6457 +var pageSizeBytes = uint64(os.Getpagesize()) + // See http://man7.org/linux/man-pages/man5/proc.5.html type procStat struct { State byte @@ -45,13 +51,14 @@ func writeProcessMetrics(w io.Writer) { statFilepath := "/proc/self/stat" data, err := ioutil.ReadFile(statFilepath) if err != nil { - log.Printf("ERROR: cannot open %s: %s", statFilepath, err) + log.Printf("ERROR: metrics: cannot open %s: %s", statFilepath, err) return } + // Search for the end of command. n := bytes.LastIndex(data, []byte(") ")) if n < 0 { - log.Printf("ERROR: cannot find command in parentheses in %q read from %s", data, statFilepath) + log.Printf("ERROR: metrics: cannot find command in parentheses in %q read from %s", data, statFilepath) return } data = data[n+2:] @@ -62,7 +69,7 @@ func writeProcessMetrics(w io.Writer) { &p.State, &p.Ppid, &p.Pgrp, &p.Session, &p.TtyNr, &p.Tpgid, &p.Flags, &p.Minflt, &p.Cminflt, &p.Majflt, &p.Cmajflt, &p.Utime, &p.Stime, &p.Cutime, &p.Cstime, &p.Priority, &p.Nice, &p.NumThreads, &p.ItrealValue, &p.Starttime, &p.Vsize, &p.Rss) if err != nil { - log.Printf("ERROR: cannot parse %q read from %s: %s", data, statFilepath, err) + log.Printf("ERROR: metrics: cannot parse %q read from %s: %s", data, statFilepath, err) return } @@ -72,34 +79,48 @@ func writeProcessMetrics(w io.Writer) { utime := float64(p.Utime) / userHZ stime := float64(p.Stime) / userHZ - fmt.Fprintf(w, "process_cpu_seconds_system_total %g\n", stime) - fmt.Fprintf(w, "process_cpu_seconds_total %g\n", utime+stime) - fmt.Fprintf(w, "process_cpu_seconds_user_total %g\n", utime) - fmt.Fprintf(w, "process_major_pagefaults_total %d\n", p.Majflt) - fmt.Fprintf(w, "process_minor_pagefaults_total %d\n", p.Minflt) - fmt.Fprintf(w, "process_num_threads %d\n", p.NumThreads) - fmt.Fprintf(w, "process_resident_memory_bytes %d\n", p.Rss*4096) - fmt.Fprintf(w, "process_start_time_seconds %d\n", startTimeSeconds) - fmt.Fprintf(w, "process_virtual_memory_bytes %d\n", p.Vsize) + + // Calculate totalTime by dividing the sum of p.Utime and p.Stime by userHZ. + // This reduces possible floating-point precision loss + totalTime := float64(p.Utime+p.Stime) / userHZ + + WriteCounterFloat64(w, "process_cpu_seconds_system_total", stime) + WriteCounterFloat64(w, "process_cpu_seconds_total", totalTime) + WriteCounterFloat64(w, "process_cpu_seconds_user_total", utime) + WriteCounterUint64(w, "process_major_pagefaults_total", uint64(p.Majflt)) + WriteCounterUint64(w, "process_minor_pagefaults_total", uint64(p.Minflt)) + WriteGaugeUint64(w, "process_num_threads", uint64(p.NumThreads)) + WriteGaugeUint64(w, "process_resident_memory_bytes", uint64(p.Rss)*pageSizeBytes) + WriteGaugeUint64(w, "process_start_time_seconds", uint64(startTimeSeconds)) + WriteGaugeUint64(w, "process_virtual_memory_bytes", uint64(p.Vsize)) writeProcessMemMetrics(w) writeIOMetrics(w) + writePSIMetrics(w) } +var procSelfIOErrLogged uint32 + func writeIOMetrics(w io.Writer) { ioFilepath := "/proc/self/io" data, err := ioutil.ReadFile(ioFilepath) if err != nil { - log.Printf("ERROR: cannot open %q: %s", ioFilepath, err) + // Do not spam the logs with errors - this error cannot be fixed without process restart. + // See https://github.com/VictoriaMetrics/metrics/issues/42 + if atomic.CompareAndSwapUint32(&procSelfIOErrLogged, 0, 1) { + log.Printf("ERROR: metrics: cannot read process_io_* metrics from %q, so these metrics won't be updated until the error is fixed; "+ + "see https://github.com/VictoriaMetrics/metrics/issues/42 ; The error: %s", ioFilepath, err) + } } + getInt := func(s string) int64 { n := strings.IndexByte(s, ' ') if n < 0 { - log.Printf("ERROR: cannot find whitespace in %q at %q", s, ioFilepath) + log.Printf("ERROR: metrics: cannot find whitespace in %q at %q", s, ioFilepath) return 0 } v, err := strconv.ParseInt(s[n+1:], 10, 64) if err != nil { - log.Printf("ERROR: cannot parse %q at %q: %s", s, ioFilepath, err) + log.Printf("ERROR: metrics: cannot parse %q at %q: %s", s, ioFilepath, err) return 0 } return v @@ -123,12 +144,12 @@ func writeIOMetrics(w io.Writer) { writeBytes = getInt(s) } } - fmt.Fprintf(w, "process_io_read_bytes_total %d\n", rchar) - fmt.Fprintf(w, "process_io_written_bytes_total %d\n", wchar) - fmt.Fprintf(w, "process_io_read_syscalls_total %d\n", syscr) - fmt.Fprintf(w, "process_io_write_syscalls_total %d\n", syscw) - fmt.Fprintf(w, "process_io_storage_read_bytes_total %d\n", readBytes) - fmt.Fprintf(w, "process_io_storage_written_bytes_total %d\n", writeBytes) + WriteGaugeUint64(w, "process_io_read_bytes_total", uint64(rchar)) + WriteGaugeUint64(w, "process_io_written_bytes_total", uint64(wchar)) + WriteGaugeUint64(w, "process_io_read_syscalls_total", uint64(syscr)) + WriteGaugeUint64(w, "process_io_write_syscalls_total", uint64(syscw)) + WriteGaugeUint64(w, "process_io_storage_read_bytes_total", uint64(readBytes)) + WriteGaugeUint64(w, "process_io_storage_written_bytes_total", uint64(writeBytes)) } var startTimeSeconds = time.Now().Unix() @@ -137,16 +158,16 @@ var startTimeSeconds = time.Now().Unix() func writeFDMetrics(w io.Writer) { totalOpenFDs, err := getOpenFDsCount("/proc/self/fd") if err != nil { - log.Printf("ERROR: cannot determine open file descriptors count: %s", err) + log.Printf("ERROR: metrics: cannot determine open file descriptors count: %s", err) return } maxOpenFDs, err := getMaxFilesLimit("/proc/self/limits") if err != nil { - log.Printf("ERROR: cannot determine the limit on open file descritors: %s", err) + log.Printf("ERROR: metrics: cannot determine the limit on open file descritors: %s", err) return } - fmt.Fprintf(w, "process_max_fds %d\n", maxOpenFDs) - fmt.Fprintf(w, "process_open_fds %d\n", totalOpenFDs) + WriteGaugeUint64(w, "process_max_fds", maxOpenFDs) + WriteGaugeUint64(w, "process_open_fds", totalOpenFDs) } func getOpenFDsCount(path string) (uint64, error) { @@ -211,15 +232,14 @@ type memStats struct { func writeProcessMemMetrics(w io.Writer) { ms, err := getMemStats("/proc/self/status") if err != nil { - log.Printf("ERROR: cannot determine memory status: %s", err) + log.Printf("ERROR: metrics: cannot determine memory status: %s", err) return } - fmt.Fprintf(w, "process_virtual_memory_peak_bytes %d\n", ms.vmPeak) - fmt.Fprintf(w, "process_resident_memory_peak_bytes %d\n", ms.rssPeak) - fmt.Fprintf(w, "process_resident_memory_anon_bytes %d\n", ms.rssAnon) - fmt.Fprintf(w, "process_resident_memory_file_bytes %d\n", ms.rssFile) - fmt.Fprintf(w, "process_resident_memory_shared_bytes %d\n", ms.rssShmem) - + WriteGaugeUint64(w, "process_virtual_memory_peak_bytes", ms.vmPeak) + WriteGaugeUint64(w, "process_resident_memory_peak_bytes", ms.rssPeak) + WriteGaugeUint64(w, "process_resident_memory_anon_bytes", ms.rssAnon) + WriteGaugeUint64(w, "process_resident_memory_file_bytes", ms.rssFile) + WriteGaugeUint64(w, "process_resident_memory_shared_bytes", ms.rssShmem) } func getMemStats(path string) (*memStats, error) { @@ -263,3 +283,137 @@ func getMemStats(path string) (*memStats, error) { } return &ms, nil } + +// writePSIMetrics writes PSI total metrics for the current process to w. +// +// See https://docs.kernel.org/accounting/psi.html +func writePSIMetrics(w io.Writer) { + if psiMetricsStart == nil { + // Failed to initialize PSI metrics + return + } + + m, err := getPSIMetrics() + if err != nil { + log.Printf("ERROR: metrics: cannot expose PSI metrics: %s", err) + return + } + + WriteCounterFloat64(w, "process_pressure_cpu_waiting_seconds_total", psiTotalSecs(m.cpuSome-psiMetricsStart.cpuSome)) + WriteCounterFloat64(w, "process_pressure_cpu_stalled_seconds_total", psiTotalSecs(m.cpuFull-psiMetricsStart.cpuFull)) + + WriteCounterFloat64(w, "process_pressure_io_waiting_seconds_total", psiTotalSecs(m.ioSome-psiMetricsStart.ioSome)) + WriteCounterFloat64(w, "process_pressure_io_stalled_seconds_total", psiTotalSecs(m.ioFull-psiMetricsStart.ioFull)) + + WriteCounterFloat64(w, "process_pressure_memory_waiting_seconds_total", psiTotalSecs(m.memSome-psiMetricsStart.memSome)) + WriteCounterFloat64(w, "process_pressure_memory_stalled_seconds_total", psiTotalSecs(m.memFull-psiMetricsStart.memFull)) +} + +func psiTotalSecs(microsecs uint64) float64 { + // PSI total stats is in microseconds according to https://docs.kernel.org/accounting/psi.html + // Convert it to seconds. + return float64(microsecs) / 1e6 +} + +// psiMetricsStart contains the initial PSI metric values on program start. +// it is needed in order to make sure the exposed PSI metrics start from zero. +var psiMetricsStart = func() *psiMetrics { + m, err := getPSIMetrics() + if err != nil { + log.Printf("INFO: metrics: disable exposing PSI metrics because of failed init: %s", err) + return nil + } + return m +}() + +type psiMetrics struct { + cpuSome uint64 + cpuFull uint64 + ioSome uint64 + ioFull uint64 + memSome uint64 + memFull uint64 +} + +func getPSIMetrics() (*psiMetrics, error) { + cgroupPath := getCgroupV2Path() + if cgroupPath == "" { + // Do nothing, since PSI requires cgroup v2, and the process doesn't run under cgroup v2. + return nil, nil + } + + cpuSome, cpuFull, err := readPSITotals(cgroupPath, "cpu.pressure") + if err != nil { + return nil, err + } + + ioSome, ioFull, err := readPSITotals(cgroupPath, "io.pressure") + if err != nil { + return nil, err + } + + memSome, memFull, err := readPSITotals(cgroupPath, "memory.pressure") + if err != nil { + return nil, err + } + + m := &psiMetrics{ + cpuSome: cpuSome, + cpuFull: cpuFull, + ioSome: ioSome, + ioFull: ioFull, + memSome: memSome, + memFull: memFull, + } + return m, nil +} + +func readPSITotals(cgroupPath, statsName string) (uint64, uint64, error) { + filePath := cgroupPath + "/" + statsName + data, err := ioutil.ReadFile(filePath) + if err != nil { + return 0, 0, err + } + + lines := strings.Split(string(data), "\n") + some := uint64(0) + full := uint64(0) + for _, line := range lines { + line = strings.TrimSpace(line) + if !strings.HasPrefix(line, "some ") && !strings.HasPrefix(line, "full ") { + continue + } + + tmp := strings.SplitN(line, "total=", 2) + if len(tmp) != 2 { + return 0, 0, fmt.Errorf("cannot find total from the line %q at %q", line, filePath) + } + microsecs, err := strconv.ParseUint(tmp[1], 10, 64) + if err != nil { + return 0, 0, fmt.Errorf("cannot parse total=%q at %q: %w", tmp[1], filePath, err) + } + + switch { + case strings.HasPrefix(line, "some "): + some = microsecs + case strings.HasPrefix(line, "full "): + full = microsecs + } + } + return some, full, nil +} + +func getCgroupV2Path() string { + data, err := ioutil.ReadFile("/proc/self/cgroup") + if err != nil { + return "" + } + tmp := strings.SplitN(string(data), "::", 2) + if len(tmp) != 2 { + return "" + } + path := "/sys/fs/cgroup" + strings.TrimSpace(tmp[1]) + + // Drop trailing slash if it exsits. This prevents from '//' in the constructed paths by the caller. + return strings.TrimSuffix(path, "/") +} diff --git a/vendor/github.com/VictoriaMetrics/metrics/process_metrics_other.go b/vendor/github.com/VictoriaMetrics/metrics/process_metrics_other.go index 5e6ac935d..47fb68cbd 100644 --- a/vendor/github.com/VictoriaMetrics/metrics/process_metrics_other.go +++ b/vendor/github.com/VictoriaMetrics/metrics/process_metrics_other.go @@ -1,4 +1,4 @@ -// +build !linux +//go:build !linux && !windows && !solaris package metrics diff --git a/vendor/github.com/VictoriaMetrics/metrics/process_metrics_solaris.go b/vendor/github.com/VictoriaMetrics/metrics/process_metrics_solaris.go new file mode 100644 index 000000000..340d5c809 --- /dev/null +++ b/vendor/github.com/VictoriaMetrics/metrics/process_metrics_solaris.go @@ -0,0 +1,595 @@ +//go:build solaris + +// Author: Jens Elkner (C) 2025 + +package metrics + +import ( + "fmt" + "io" + "log" + "math" + "os" + "strings" + "syscall" + "unsafe" +) + +/** Solaris 11.3 types deduced from /usr/include/sys/procfs.h **/ +// requires go v1.18+ +type uchar_t uint8 // unsigned char +type char int8 // signed char +type short int16 +type ushort_t uint16 +type id_t int32 +type pid_t int32 +type uid_t uint32 +type gid_t uid_t +type taskid_t id_t +type projid_t id_t +type zoneid_t id_t +type poolid_t id_t +type uintptr_t uint64 +type long int64 +type ulong_t uint64 +type dev_t ulong_t +type size_t ulong_t +type time_t long +type sigset_t [16]char // we do not need those struct, so just pad +type fltset_t [16]char // we do not need those struct, so just pad +type sysset_t [64]char // we do not need those struct, so just pad +type lwpstatus_t [1296]char // we do not need those struct, so just pad +type lwpsinfo_t [152]char // we do not need those struct, so just pad + +type timestruc_t struct { + tv_sec time_t + tv_nsec long +} + +/* process status file: /proc//status */ +type pstatus_t struct { + pr_flags int32 /* flags (see below) */ + pr_nlwp int32 /* number of active lwps in the process */ + pr_pid pid_t /* process id */ + pr_ppid pid_t /* parent process id */ + pr_pgid pid_t /* process group id */ + pr_sid pid_t /* session id */ + pr_aslwpid id_t /* historical; now always zero */ + pr_agentid id_t /* lwp id of the /proc agent lwp, if any */ + // 32 + pr_sigpend sigset_t /* set of process pending signals */ + pr_brkbase uintptr_t /* address of the process heap */ + pr_brksize size_t /* size of the process heap, in bytes */ + // 64 + pr_stkbase uintptr_t /* address of the process stack */ + pr_stksize size_t /* size of the process stack, in bytes */ + pr_utime timestruc_t /* # process user cpu time */ + // 96 + pr_stime timestruc_t /* # process system cpu time */ + pr_cutime timestruc_t /* # sum of children's user times */ + // 128 + pr_cstime timestruc_t /* # sum of children's system times */ + pr_sigtrace sigset_t /* sigset_t: set of traced signals */ + // 160 + pr_flttrace fltset_t /* set of traced faults */ + pr_sysentry sysset_t /* set of system calls traced on entry */ + // 240 + pr_sysexit sysset_t /* set of system calls traced on exit */ + // 304 + pr_dmodel char /* data model of the process (see below) */ + pr_va_mask uchar_t /* VA masking bits, where supported */ + pr_adi_nbits uchar_t /* # of VA bits used by ADI when enabled */ + pr_pad [1]char + pr_taskid taskid_t /* task id */ + // 312 + pr_projid projid_t /* project id */ + pr_nzomb int32 /* number of zombie lwps in the process */ + pr_zoneid zoneid_t /* zone id */ + // 324 + pr_filler [15]int32 /* reserved for future use */ + // 384 + pr_lwp lwpstatus_t /* status of the representative lwp */ + // 1680 +} + +const PRARGSZ = 80 /* number of chars of arguments */ +const PRFNSZ = 16 /* Maximum size of execed filename */ + +/* process ps(1) information file. /proc//psinfo */ +type psinfo_t struct { + pr_flag int32 /* process flags (DEPRECATED; do not use) */ + pr_nlwp int32 /* number of active lwps in the process */ + pr_pid pid_t /* unique process id */ + pr_ppid pid_t /* process id of parent */ + pr_pgid pid_t /* pid of process group leader */ + pr_sid pid_t /* session id */ + pr_uid uid_t /* real user id */ + pr_euid uid_t /* effective user id */ + // 32 + pr_gid gid_t /* real group id */ + pr_egid gid_t /* effective group id */ + pr_addr uintptr_t /* address of process */ + pr_size size_t /* size of process image in Kbytes */ + pr_rssize size_t /* resident set size in Kbytes */ + // 64 + pr_rssizepriv size_t /* resident set size of private mappings */ + pr_ttydev dev_t /* controlling tty device (or PRNODEV) */ + /* The following percent numbers are 16-bit binary */ + /* fractions [0 .. 1] with the binary point to the */ + /* right of the high-order bit (1.0 == 0x8000) */ + pr_pctcpu ushort_t /* % of recent cpu time used by all lwps */ + pr_pctmem ushort_t /* % of system memory used by process */ + pr_dummy int32 /* 8 byte alignment: GO doesn't do it automagically */ + // 84 + 4 = 88 + pr_start timestruc_t /* process start time, from the epoch */ + pr_time timestruc_t /* usr+sys cpu time for this process */ + pr_ctime timestruc_t /* usr+sys cpu time for reaped children */ + // 136 + pr_fname [PRFNSZ]char /* name of execed file */ + pr_psargs [PRARGSZ]char /* initial characters of arg list */ + // 232 + pr_wstat int32 /* if zombie, the wait() status */ + pr_argc int32 /* initial argument count */ + pr_argv uintptr_t /* address of initial argument vector */ + pr_envp uintptr_t /* address of initial environment vector */ + pr_dmodel char /* data model of the process */ + pr_pad2 [3]char + pr_taskid taskid_t /* task id */ + // 264 + pr_projid projid_t /* project id */ + pr_nzomb int32 /* number of zombie lwps in the process */ + pr_poolid poolid_t /* pool id */ + pr_zoneid zoneid_t /* zone id */ + pr_contract id_t /* process contract */ + pr_filler [1]int32 /* reserved for future use */ + // 288 + pr_lwp lwpsinfo_t /* information for representative lwp */ + // 440 +} + +/* Resource usage. /proc//usage /proc//lwp//lwpusage */ +type prusage_t struct { + pr_lwpid id_t /* lwp id. 0: process or defunct */ + pr_count int32 /* number of contributing lwps */ + // 8 + pr_tstamp timestruc_t /* current time stamp */ + pr_create timestruc_t /* process/lwp creation time stamp */ + pr_term timestruc_t /* process/lwp termination time stamp */ + pr_rtime timestruc_t /* total lwp real (elapsed) time */ + // 72 + pr_utime timestruc_t /* user level cpu time */ + pr_stime timestruc_t /* system call cpu time */ + pr_ttime timestruc_t /* other system trap cpu time */ + pr_tftime timestruc_t /* text page fault sleep time */ + // 136 + pr_dftime timestruc_t /* data page fault sleep time */ + pr_kftime timestruc_t /* kernel page fault sleep time */ + pr_ltime timestruc_t /* user lock wait sleep time */ + pr_slptime timestruc_t /* all other sleep time */ + // 200 + pr_wtime timestruc_t /* wait-cpu (latency) time */ + pr_stoptime timestruc_t /* stopped time */ + // 232 + filltime [6]timestruc_t /* filler for future expansion */ + // 328 + pr_minf ulong_t /* minor page faults */ + pr_majf ulong_t /* major page faults */ + pr_nswap ulong_t /* swaps */ + pr_inblk ulong_t /* input blocks (JEL: disk events not always recorded, so perhaps usable as an indicator but not more) */ + // 360 + pr_oublk ulong_t /* output blocks (JEL: disk events not always recorded, so perhaps usable as an indicator but not more) */ + pr_msnd ulong_t /* messages sent */ + pr_mrcv ulong_t /* messages received */ + pr_sigs ulong_t /* signals received */ + // 392 + pr_vctx ulong_t /* voluntary context switches */ + pr_ictx ulong_t /* involuntary context switches */ + pr_sysc ulong_t /* system calls */ + pr_ioch ulong_t /* chars read and written (JEL: no matter, whether to/from disk or somewhere else) */ + // 424 + filler [10]ulong_t /* filler for future expansion */ + // 504 +} + +/** End Of Solaris types **/ + +type ProcMetric uint32 + +const ( + PM_OPEN_FDS ProcMetric = iota + PM_MAX_FDS + PM_MINFLT + PM_MAJFLT + PM_CPU_UTIL + PM_MEM_UTIL + PM_CMINFLT // Linux, only + PM_CMAJFLT // Linux, only + PM_UTIME + PM_STIME + PM_TIME + PM_CUTIME + PM_CSTIME + PM_CTIME + PM_NUM_THREADS + PM_STARTTIME + PM_VSIZE + PM_RSS + PM_VCTX + PM_ICTX + PM_BLKIO // Linux, only + PM_COUNT /* contract: must be the last one */ +) + +type MetricInfo struct { + name, help, mtype string +} + +/* process metric names and descriptions */ +var pm_desc = [PM_COUNT]MetricInfo{ + { // PM_OPEN_FDS + "process_open_fds", + "Number of open file descriptors", + "gauge", + }, { // PM_MAX_FDS + "process_max_fds", + "Max. number of open file descriptors (soft limit)", + "gauge", + }, { // PM_MINFLT + "process_minor_pagefaults", + "Number of minor faults of the process not caused a page load from disk", + "counter", + }, { // PM_MAJFLT + "process_major_pagefaults", + "Number of major faults of the process caused a page load from disk", + "counter", + }, { // PM_CPU_UTIL + "process_cpu_utilization_percent", + "Percent of recent cpu time used by all lwps", + "gauge", + }, { // PM_MEM_UTIL + "process_mem_utilization_percent", + "Percent of system memory used by process", + "gauge", + }, { // PM_CMINFLT + "process_children_minor_pagefaults", + "Number of minor faults of the process waited-for children not caused a page load from disk", + "counter", + }, { // PM_CMAJFLT + "process_children_major_pagefaults", + "Number of major faults of the process's waited-for children caused a page load from disk", + "counter", + }, { // PM_UTIME + "process_user_cpu_seconds", + "Total CPU time the process spent in user mode in seconds", + "counter", + }, { // PM_STIME + "process_system_cpu_seconds", + "Total CPU time the process spent in kernel mode in seconds", + "counter", + }, { // PM_TIME + "process_total_cpu_seconds", + "Total CPU time the process spent in user and kernel mode in seconds", + "counter", + }, { // PM_CUTIME + "process_children_user_cpu_seconds", + "Total CPU time the process's waited-for children spent in user mode in seconds", + "counter", + }, { // PM_CSTIME + "process_children_system_cpu_seconds", + "Total CPU time the process's waited-for children spent in kernel mode in seconds", + "counter", + }, { // PM_CTIME + "process_children_total_cpu_seconds", + "Total CPU time the process's waited-for children spent in user and in kernel mode in seconds", + "counter", + }, { // PM_NUM_THREADS + "process_threads_total", + "Number of threads in this process", + "gauge", + }, { // PM_STARTTIME + "process_start_time_seconds", + "The time the process has been started in seconds elapsed since Epoch", + "counter", + }, { // PM_VSIZE + "process_virtual_memory_bytes", + "Virtual memory size in bytes", + "gauge", + }, { // PM_RSS + "process_resident_memory_bytes", + "Resident set size of memory in bytes", + "gauge", + }, { // PM_VCTX + "process_voluntary_ctxsw_total", + "Number of voluntary context switches", + "counter", + }, { // PM_ICTX + "process_involuntary_ctxsw_total", + "Number of involuntary context switches", + "counter", + }, { // PM_BLKIO + "process_delayacct_blkio_ticks", + "Aggregated block I/O delays, measured in clock ticks (centiseconds)", + "counter", + }, +} + +type ProcFd uint32 + +const ( + FD_LIMITS ProcFd = iota + FD_STAT + FD_PSINFO // solaris/illumos, only + FD_USAGE // solaris/illumos, only + FD_COUNT /* contract: must be the last one */ +) + +/* emittable process metrics for solaris */ +var activeProcMetrics = []ProcMetric{ + PM_MINFLT, + PM_MAJFLT, + PM_CPU_UTIL, + PM_MEM_UTIL, + PM_UTIME, + PM_STIME, + PM_TIME, + PM_CUTIME, + PM_CSTIME, + PM_CTIME, + PM_NUM_THREADS, + PM_STARTTIME, + PM_VSIZE, + PM_RSS, + PM_VCTX, + PM_ICTX, +} + +/* emittable fd metrics for solaris */ +var activeFdMetrics = []ProcMetric{ + PM_OPEN_FDS, + PM_MAX_FDS, +} + +/* +process metrics related file descriptors for files we always need, and + + do not want to open/close all the time +*/ +var pm_fd [FD_COUNT]int + +/* +to avaid, that go closes the files in the background, which makes the FDs + + above useless, we need to keep the reference to them as well +*/ +var pm_file [FD_COUNT]*os.File + +/* +process metric values. TSDBs use internally always float64, so we do not + + need to make a difference between int and non-int values +*/ +var pm_val [PM_COUNT]float64 + +/* path used to count open FDs */ +var fd_path string + +/* lazy init of this process related metrics */ +func init() { + var testdata_dir = "" + var onTest = len(os.Args) > 1 && strings.HasSuffix(os.Args[0], ".test") + if onTest { + cwd, err := os.Getwd() + if err != nil { + panic("Unknwon directory: " + err.Error()) + } + testdata_dir = cwd + "/testdata" + fmt.Printf("Using test data in %s ...\n", testdata_dir) + } + + // we preset all so that it is safe to use these vals even if the rest of + // init fails + for i := 0; i < int(PM_COUNT); i++ { + pm_val[i] = 0 + } + for i := 0; i < int(FD_COUNT); i++ { + pm_fd[i] = -1 + } + pid := os.Getpid() + if onTest { + fd_path = testdata_dir + "/fd" + } else { + fd_path = fmt.Sprintf("/proc/%d/fd", pid) + } + + // NOTE: We do NOT close these FDs intentionally to avoid the open/close + // overhead for each update. + var path string + if onTest { + path = fmt.Sprintf(testdata_dir + "/solaris.ps_status") + } else { + path = fmt.Sprintf("/proc/%d/status", pid) + } + f, err := os.OpenFile(path, os.O_RDONLY, 0) + if err != nil { + log.Printf("ERROR: metrics: Unable to open %s (%v).", path, err) + } else { + pm_file[FD_STAT] = f + pm_fd[FD_STAT] = int(f.Fd()) + } + if onTest { + path = fmt.Sprintf(testdata_dir + "/solaris.ps_info") + } else { + path = fmt.Sprintf("/proc/%d/psinfo", pid) + } + f, err = os.OpenFile(path, os.O_RDONLY, 0) + if err != nil { + log.Printf("ERROR: metrics: Unable to open %s (%v).", path, err) + } else { + pm_file[FD_PSINFO] = f + pm_fd[FD_PSINFO] = int(f.Fd()) + } + if onTest { + path = fmt.Sprintf(testdata_dir + "/solaris.ps_usage") + } else { + path = fmt.Sprintf("/proc/%d/usage", pid) + } + f, err = os.OpenFile(path, os.O_RDONLY, 0) + if err != nil { + log.Printf("ERROR: metrics: Unable to open %s (%v).", path, err) + } else { + pm_file[FD_USAGE] = f + pm_fd[FD_USAGE] = int(f.Fd()) + } + + /* usually an app does|cannot not change its own FD limits. So we handle + it as a const - determine it once, only */ + var lim syscall.Rlimit + err = syscall.Getrlimit(syscall.RLIMIT_NOFILE, &lim) + if err == nil { + pm_val[PM_MAX_FDS] = float64(lim.Cur) + } else { + log.Printf("ERROR: metrics: Unable determin max. fd limit.") + pm_val[PM_MAX_FDS] = -1 + } +} + +var nan = math.NaN() + +func time2float(t timestruc_t) float64 { + return float64(t.tv_sec) + float64(t.tv_nsec)*1e-9 +} +func time2float2(a timestruc_t, b timestruc_t) float64 { + return float64(a.tv_sec+b.tv_sec) + float64(a.tv_nsec+b.tv_nsec)*1e-9 +} + +func updateProcMetrics() { + var status pstatus_t + var psinfo psinfo_t + var usage prusage_t + + var fail = pm_fd[FD_STAT] < 0 + if !fail { + n, err := syscall.Pread(pm_fd[FD_STAT], + (*(*[unsafe.Sizeof(status)]byte)(unsafe.Pointer(&status)))[:], 0) + fail = (n < 324 || err != nil) + if fail { + fmt.Printf("WARNING: read %s@%d failed: %v\n", + pm_file[FD_STAT].Name(), n, err) + } + } + if fail { + pm_val[PM_NUM_THREADS] = nan + pm_val[PM_UTIME] = nan + pm_val[PM_STIME] = nan + pm_val[PM_TIME] = nan + pm_val[PM_CUTIME] = nan + pm_val[PM_CSTIME] = nan + pm_val[PM_CTIME] = nan + } else { + pm_val[PM_NUM_THREADS] = float64(status.pr_nlwp + status.pr_nzomb) + pm_val[PM_UTIME] = time2float(status.pr_utime) + pm_val[PM_STIME] = time2float(status.pr_stime) + pm_val[PM_TIME] = time2float2(status.pr_utime, status.pr_stime) + pm_val[PM_CUTIME] = time2float(status.pr_cutime) + pm_val[PM_CSTIME] = time2float(status.pr_cstime) + pm_val[PM_CTIME] = time2float2(status.pr_cutime, status.pr_cstime) + } + fail = pm_fd[FD_PSINFO] < 0 + if !fail { + n, err := syscall.Pread(pm_fd[FD_PSINFO], + (*(*[unsafe.Sizeof(psinfo)]byte)(unsafe.Pointer(&psinfo)))[:], 0) + fail = (n < 272 || err != nil) + if fail { + fmt.Printf("WARNING: read %s@%d failed: %v\n", + pm_file[FD_PSINFO].Name(), n, err) + } + } + if fail { + pm_val[PM_VSIZE] = nan + pm_val[PM_RSS] = nan + pm_val[PM_CPU_UTIL] = nan + pm_val[PM_MEM_UTIL] = nan + pm_val[PM_STARTTIME] = nan + } else { + //num_threads = psinfo.pr_nlwp + psinfo.pr_nzomb // already by status + pm_val[PM_VSIZE] = float64(psinfo.pr_size << 10) + pm_val[PM_RSS] = float64(psinfo.pr_rssize << 10) + pm_val[PM_CPU_UTIL] = 100 * float64(psinfo.pr_pctcpu) / float64(0x8000) + pm_val[PM_MEM_UTIL] = 100 * float64(psinfo.pr_pctmem) / float64(0x8000) + pm_val[PM_STARTTIME] = float64(psinfo.pr_start.tv_sec) + } + fail = pm_fd[FD_USAGE] < 0 + if !fail { + n, err := syscall.Pread(pm_fd[FD_USAGE], + (*(*[unsafe.Sizeof(usage)]byte)(unsafe.Pointer(&usage)))[:], 0) + fail = (n < 424 || err != nil) + if fail { + fmt.Printf("WARNING: read %s@%d failed: %v\n", + pm_file[FD_USAGE].Name(), n, err) + } + } + if fail { + pm_val[PM_MINFLT] = nan + pm_val[PM_MAJFLT] = nan + pm_val[PM_VCTX] = nan + pm_val[PM_ICTX] = nan + } else { + pm_val[PM_MINFLT] = float64(usage.pr_minf) + pm_val[PM_MAJFLT] = float64(usage.pr_majf) + pm_val[PM_VCTX] = float64(usage.pr_vctx) + pm_val[PM_ICTX] = float64(usage.pr_ictx) + } +} + +func updateFdMetrics() { + pm_val[PM_OPEN_FDS] = 0 + f, err := os.Open(fd_path) + if err != nil { + log.Printf("ERROR: metrics: Unable to open %s", fd_path) + return + } + defer f.Close() + for { + names, err := f.Readdirnames(512) + if err == io.EOF { + break + } + if err != nil { + log.Printf("ERROR: metrics: Read error for %s: %s", fd_path, err) + return + } + pm_val[PM_OPEN_FDS] += float64(len(names)) + } +} + +func writeProcessMetrics(w io.Writer) { + updateProcMetrics() + if isMetadataEnabled() { + for _, v := range activeProcMetrics { + fmt.Fprintf(w, "# HELP %s %s\n# TYPE %s %s\n%s %.17g\n", + pm_desc[v].name, pm_desc[v].help, + pm_desc[v].name, pm_desc[v].mtype, + pm_desc[v].name, pm_val[v]) + } + } else { + for _, v := range activeProcMetrics { + fmt.Fprintf(w, "%s %.17g\n", pm_desc[v].name, pm_val[v]) + } + } +} + +func writeFDMetrics(w io.Writer) { + updateFdMetrics() + if isMetadataEnabled() { + for _, v := range activeFdMetrics { + fmt.Fprintf(w, "# HELP %s %s\n# TYPE %s %s\n%s %.17g\n", + pm_desc[v].name, pm_desc[v].help, + pm_desc[v].name, pm_desc[v].mtype, + pm_desc[v].name, pm_val[v]) + } + } else { + for _, v := range activeFdMetrics { + fmt.Fprintf(w, "%s %.17g\n", pm_desc[v].name, pm_val[v]) + } + } +} diff --git a/vendor/github.com/VictoriaMetrics/metrics/process_metrics_windows.go b/vendor/github.com/VictoriaMetrics/metrics/process_metrics_windows.go new file mode 100644 index 000000000..1b924e8e7 --- /dev/null +++ b/vendor/github.com/VictoriaMetrics/metrics/process_metrics_windows.go @@ -0,0 +1,83 @@ +//go:build windows + +package metrics + +import ( + "io" + "log" + "syscall" + "unsafe" + + "golang.org/x/sys/windows" +) + +var ( + modpsapi = syscall.NewLazyDLL("psapi.dll") + modkernel32 = syscall.NewLazyDLL("kernel32.dll") + + // https://learn.microsoft.com/en-us/windows/win32/api/psapi/nf-psapi-getprocessmemoryinfo + procGetProcessMemoryInfo = modpsapi.NewProc("GetProcessMemoryInfo") + procGetProcessHandleCount = modkernel32.NewProc("GetProcessHandleCount") +) + +// https://learn.microsoft.com/en-us/windows/win32/api/psapi/ns-psapi-process_memory_counters_ex +type processMemoryCounters struct { + _ uint32 + PageFaultCount uint32 + PeakWorkingSetSize uintptr + WorkingSetSize uintptr + QuotaPeakPagedPoolUsage uintptr + QuotaPagedPoolUsage uintptr + QuotaPeakNonPagedPoolUsage uintptr + QuotaNonPagedPoolUsage uintptr + PagefileUsage uintptr + PeakPagefileUsage uintptr + PrivateUsage uintptr +} + +func writeProcessMetrics(w io.Writer) { + h := windows.CurrentProcess() + var startTime, exitTime, stime, utime windows.Filetime + err := windows.GetProcessTimes(h, &startTime, &exitTime, &stime, &utime) + if err != nil { + log.Printf("ERROR: metrics: cannot read process times: %s", err) + return + } + var mc processMemoryCounters + r1, _, err := procGetProcessMemoryInfo.Call( + uintptr(h), + uintptr(unsafe.Pointer(&mc)), + unsafe.Sizeof(mc), + ) + if r1 != 1 { + log.Printf("ERROR: metrics: cannot read process memory information: %s", err) + return + } + stimeSeconds := float64(uint64(stime.HighDateTime)<<32+uint64(stime.LowDateTime)) / 1e7 + utimeSeconds := float64(uint64(utime.HighDateTime)<<32+uint64(utime.LowDateTime)) / 1e7 + WriteCounterFloat64(w, "process_cpu_seconds_system_total", stimeSeconds) + WriteCounterFloat64(w, "process_cpu_seconds_total", stimeSeconds+utimeSeconds) + WriteCounterFloat64(w, "process_cpu_seconds_user_total", stimeSeconds) + WriteCounterUint64(w, "process_pagefaults_total", uint64(mc.PageFaultCount)) + WriteGaugeUint64(w, "process_start_time_seconds", uint64(startTime.Nanoseconds())/1e9) + WriteGaugeUint64(w, "process_virtual_memory_bytes", uint64(mc.PrivateUsage)) + WriteGaugeUint64(w, "process_resident_memory_peak_bytes", uint64(mc.PeakWorkingSetSize)) + WriteGaugeUint64(w, "process_resident_memory_bytes", uint64(mc.WorkingSetSize)) +} + +func writeFDMetrics(w io.Writer) { + h := windows.CurrentProcess() + var count uint32 + r1, _, err := procGetProcessHandleCount.Call( + uintptr(h), + uintptr(unsafe.Pointer(&count)), + ) + if r1 != 1 { + log.Printf("ERROR: metrics: cannot determine open file descriptors count: %s", err) + return + } + // it seems to be hard-coded limit for 64-bit systems + // https://learn.microsoft.com/en-us/archive/blogs/markrussinovich/pushing-the-limits-of-windows-handles#maximum-number-of-handles + WriteGaugeUint64(w, "process_max_fds", 16777216) + WriteGaugeUint64(w, "process_open_fds", uint64(count)) +} diff --git a/vendor/github.com/VictoriaMetrics/metrics/prometheus_histogram.go b/vendor/github.com/VictoriaMetrics/metrics/prometheus_histogram.go new file mode 100644 index 000000000..ee780220d --- /dev/null +++ b/vendor/github.com/VictoriaMetrics/metrics/prometheus_histogram.go @@ -0,0 +1,273 @@ +package metrics + +import ( + "fmt" + "io" + "math" + "sync" + "time" +) + +// PrometheusHistogramDefaultBuckets is a list of the default bucket upper +// bounds. Those default buckets are quite generic, and it is recommended to +// pick custom buckets for improved accuracy. +var PrometheusHistogramDefaultBuckets = []float64{.005, .01, .025, .05, .1, .25, .5, 1, 2.5, 5, 10} + +// PrometheusHistogram is a histogram for non-negative values with pre-defined buckets +// +// Each bucket contains a counter for values in the given range. +// Each bucket is exposed via the following metric: +// +// _bucket{,le="upper_bound"} +// +// Where: +// +// - is the metric name passed to NewPrometheusHistogram +// - is optional tags for the , which are passed to NewPrometheusHistogram +// - - upper bound of the current bucket. all samples <= upper_bound are in that bucket +// - - the number of hits to the given bucket during Update* calls +// +// Next to the bucket metrics, two additional metrics track the total number of +// samples (_count) and the total sum (_sum) of all samples: +// +// - _sum{} +// - _count{} +type PrometheusHistogram struct { + // mu guarantees synchronous update for all the counters. + // + // Do not use sync.RWMutex, since it has zero sense from performance PoV. + // It only complicates the code. + mu sync.Mutex + + // upperBounds and buckets are aligned by element position: + // upperBounds[i] defines the upper bound for buckets[i]. + // buckets[i] contains the count of elements <= upperBounds[i] + upperBounds []float64 + buckets []uint64 + + // count is the counter for all observations on this histogram + count uint64 + + // sum is the sum of all the values put into Histogram + sum float64 +} + +// Reset resets previous observations in h. +func (h *PrometheusHistogram) Reset() { + h.mu.Lock() + for i := range h.buckets { + h.buckets[i] = 0 + } + h.sum = 0 + h.count = 0 + h.mu.Unlock() +} + +// Update updates h with v. +// +// Negative values and NaNs are ignored. +func (h *PrometheusHistogram) Update(v float64) { + if math.IsNaN(v) || v < 0 { + // Skip NaNs and negative values. + return + } + bucketIdx := -1 + for i, ub := range h.upperBounds { + if v <= ub { + bucketIdx = i + break + } + } + h.mu.Lock() + h.sum += v + h.count++ + if bucketIdx == -1 { + // +Inf, nothing to do, already accounted for in the total sum + h.mu.Unlock() + return + } + h.buckets[bucketIdx]++ + h.mu.Unlock() +} + +// UpdateDuration updates request duration based on the given startTime. +func (h *PrometheusHistogram) UpdateDuration(startTime time.Time) { + d := time.Since(startTime).Seconds() + h.Update(d) +} + +// NewPrometheusHistogram creates and returns new PrometheusHistogram with the given name +// and PrometheusHistogramDefaultBuckets. +// +// name must be valid Prometheus-compatible metric with possible labels. +// For instance, +// +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} +// +// The returned histogram is safe to use from concurrent goroutines. +func NewPrometheusHistogram(name string) *PrometheusHistogram { + return defaultSet.NewPrometheusHistogram(name) +} + +// NewPrometheusHistogramExt creates and returns new PrometheusHistogram with the given name +// and given upperBounds. +// +// name must be valid Prometheus-compatible metric with possible labels. +// For instance, +// +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} +// +// The returned histogram is safe to use from concurrent goroutines. +func NewPrometheusHistogramExt(name string, upperBounds []float64) *PrometheusHistogram { + return defaultSet.NewPrometheusHistogramExt(name, upperBounds) +} + +// GetOrCreatePrometheusHistogram returns registered PrometheusHistogram with the given name +// or creates a new PrometheusHistogram if the registry doesn't contain histogram with +// the given name. +// +// name must be valid Prometheus-compatible metric with possible labels. +// For instance, +// +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} +// +// The returned histogram is safe to use from concurrent goroutines. +// +// Performance tip: prefer NewPrometheusHistogram instead of GetOrCreatePrometheusHistogram. +func GetOrCreatePrometheusHistogram(name string) *PrometheusHistogram { + return defaultSet.GetOrCreatePrometheusHistogram(name) +} + +// GetOrCreatePrometheusHistogramExt returns registered PrometheusHistogram with the given name and +// upperBounds or creates new PrometheusHistogram if the registry doesn't contain histogram +// with the given name. +// +// name must be valid Prometheus-compatible metric with possible labels. +// For instance, +// +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} +// +// The returned histogram is safe to use from concurrent goroutines. +// +// Performance tip: prefer NewPrometheusHistogramExt instead of GetOrCreatePrometheusHistogramExt. +func GetOrCreatePrometheusHistogramExt(name string, upperBounds []float64) *PrometheusHistogram { + return defaultSet.GetOrCreatePrometheusHistogramExt(name, upperBounds) +} + +func newPrometheusHistogram(upperBounds []float64) *PrometheusHistogram { + mustValidateBuckets(upperBounds) + last := len(upperBounds) - 1 + if math.IsInf(upperBounds[last], +1) { + upperBounds = upperBounds[:last] // ignore +Inf bucket as it is covered anyways + } + h := PrometheusHistogram{ + upperBounds: upperBounds, + buckets: make([]uint64, len(upperBounds)), + } + + return &h +} + +func mustValidateBuckets(upperBounds []float64) { + if err := ValidateBuckets(upperBounds); err != nil { + panic(err) + } +} + +// ValidateBuckets validates the given upperBounds and returns an error +// if validation failed. +func ValidateBuckets(upperBounds []float64) error { + if len(upperBounds) == 0 { + return fmt.Errorf("upperBounds can't be empty") + } + for i := 0; i < len(upperBounds)-1; i++ { + if upperBounds[i] >= upperBounds[i+1] { + return fmt.Errorf("upper bounds for the buckets must be strictly increasing") + } + } + return nil +} + +// LinearBuckets returns a list of upperBounds for PrometheusHistogram, +// and whose distribution is as follows: +// +// [start, start + width, start + 2 * width, ... start + (count-1) * width] +// +// Panics if given start, width and count produce negative buckets or none buckets at all. +func LinearBuckets(start, width float64, count int) []float64 { + if count < 1 { + panic("LinearBuckets: count can't be less than 1") + } + upperBounds := make([]float64, count) + for i := range upperBounds { + upperBounds[i] = start + start += width + } + mustValidateBuckets(upperBounds) + return upperBounds +} + +// ExponentialBuckets returns a list of upperBounds for PrometheusHistogram, +// and whose distribution is as follows: +// +// [start, start * factor pow 1, start * factor pow 2, ... start * factor pow (count-1)] +// +// Panics if given start, width and count produce negative buckets or none buckets at all. +func ExponentialBuckets(start, factor float64, count int) []float64 { + if count < 1 { + panic("ExponentialBuckets: count can't be less than 1") + } + if factor <= 1 { + panic("ExponentialBuckets: factor must be greater than 1") + } + if start <= 0 { + panic("ExponentialBuckets: start can't be less than 0") + } + upperBounds := make([]float64, count) + for i := range upperBounds { + upperBounds[i] = start + start *= factor + } + mustValidateBuckets(upperBounds) + return upperBounds +} + +func (h *PrometheusHistogram) marshalTo(prefix string, w io.Writer) { + cumulativeSum := uint64(0) + h.mu.Lock() + count := h.count + sum := h.sum + for i, ub := range h.upperBounds { + cumulativeSum += h.buckets[i] + tag := fmt.Sprintf(`le="%v"`, ub) + metricName := addTag(prefix, tag) + name, labels := splitMetricName(metricName) + fmt.Fprintf(w, "%s_bucket%s %d\n", name, labels, cumulativeSum) + } + h.mu.Unlock() + + tag := fmt.Sprintf("le=%q", "+Inf") + metricName := addTag(prefix, tag) + name, labels := splitMetricName(metricName) + fmt.Fprintf(w, "%s_bucket%s %d\n", name, labels, count) + + name, labels = splitMetricName(prefix) + if float64(int64(sum)) == sum { + fmt.Fprintf(w, "%s_sum%s %d\n", name, labels, int64(sum)) + } else { + fmt.Fprintf(w, "%s_sum%s %g\n", name, labels, sum) + } + fmt.Fprintf(w, "%s_count%s %d\n", name, labels, count) +} + +func (h *PrometheusHistogram) metricType() string { + return "histogram" +} diff --git a/vendor/github.com/VictoriaMetrics/metrics/push.go b/vendor/github.com/VictoriaMetrics/metrics/push.go new file mode 100644 index 000000000..f520fe38b --- /dev/null +++ b/vendor/github.com/VictoriaMetrics/metrics/push.go @@ -0,0 +1,510 @@ +package metrics + +import ( + "bytes" + "context" + "errors" + "fmt" + "io" + "io/ioutil" + "log" + "net/http" + "net/url" + "strings" + "sync" + "time" + + "compress/gzip" +) + +// PushOptions is the list of options, which may be applied to InitPushWithOptions(). +type PushOptions struct { + // ExtraLabels is an optional comma-separated list of `label="value"` labels, which must be added to all the metrics before pushing them to pushURL. + ExtraLabels string + + // Headers is an optional list of HTTP headers to add to every push request to pushURL. + // + // Every item in the list must have the form `Header: value`. For example, `Authorization: Custom my-top-secret`. + Headers []string + + // Whether to disable HTTP request body compression before sending the metrics to pushURL. + // + // By default the compression is enabled. + DisableCompression bool + + // Method is HTTP request method to use when pushing metrics to pushURL. + // + // By default the Method is GET. + Method string + + // Optional WaitGroup for waiting until all the push workers created with this WaitGroup are stopped. + WaitGroup *sync.WaitGroup +} + +// InitPushWithOptions sets up periodic push for globally registered metrics to the given pushURL with the given interval. +// +// The periodic push is stopped when ctx is canceled. +// It is possible to wait until the background metrics push worker is stopped on a WaitGroup passed via opts.WaitGroup. +// +// If pushProcessMetrics is set to true, then 'process_*' and `go_*` metrics are also pushed to pushURL. +// +// opts may contain additional configuration options if non-nil. +// +// The metrics are pushed to pushURL in Prometheus text exposition format. +// See https://github.com/prometheus/docs/blob/main/content/docs/instrumenting/exposition_formats.md#text-based-format +// +// It is recommended pushing metrics to /api/v1/import/prometheus endpoint according to +// https://docs.victoriametrics.com/victoriametrics/single-server-victoriametrics/#how-to-import-data-in-prometheus-exposition-format +// +// It is OK calling InitPushWithOptions multiple times with different pushURL - +// in this case metrics are pushed to all the provided pushURL urls. +func InitPushWithOptions(ctx context.Context, pushURL string, interval time.Duration, pushProcessMetrics bool, opts *PushOptions) error { + writeMetrics := func(w io.Writer) { + WritePrometheus(w, pushProcessMetrics) + } + return InitPushExtWithOptions(ctx, pushURL, interval, writeMetrics, opts) +} + +// InitPushProcessMetrics sets up periodic push for 'process_*' metrics to the given pushURL with the given interval. +// +// extraLabels may contain comma-separated list of `label="value"` labels, which will be added +// to all the metrics before pushing them to pushURL. +// +// The metrics are pushed to pushURL in Prometheus text exposition format. +// See https://github.com/prometheus/docs/blob/main/content/docs/instrumenting/exposition_formats.md#text-based-format +// +// It is recommended pushing metrics to /api/v1/import/prometheus endpoint according to +// https://docs.victoriametrics.com/victoriametrics/single-server-victoriametrics/#how-to-import-data-in-prometheus-exposition-format +// +// It is OK calling InitPushProcessMetrics multiple times with different pushURL - +// in this case metrics are pushed to all the provided pushURL urls. +func InitPushProcessMetrics(pushURL string, interval time.Duration, extraLabels string) error { + return InitPushExt(pushURL, interval, extraLabels, WriteProcessMetrics) +} + +// InitPush sets up periodic push for globally registered metrics to the given pushURL with the given interval. +// +// extraLabels may contain comma-separated list of `label="value"` labels, which will be added +// to all the metrics before pushing them to pushURL. +// +// If pushProcessMetrics is set to true, then 'process_*' and `go_*` metrics are also pushed to pushURL. +// +// The metrics are pushed to pushURL in Prometheus text exposition format. +// See https://github.com/prometheus/docs/blob/main/content/docs/instrumenting/exposition_formats.md#text-based-format +// +// It is recommended pushing metrics to /api/v1/import/prometheus endpoint according to +// https://docs.victoriametrics.com/victoriametrics/single-server-victoriametrics/#how-to-import-data-in-prometheus-exposition-format +// +// It is OK calling InitPush multiple times with different pushURL - +// in this case metrics are pushed to all the provided pushURL urls. +func InitPush(pushURL string, interval time.Duration, extraLabels string, pushProcessMetrics bool) error { + writeMetrics := func(w io.Writer) { + WritePrometheus(w, pushProcessMetrics) + } + return InitPushExt(pushURL, interval, extraLabels, writeMetrics) +} + +// PushMetrics pushes globally registered metrics to pushURL. +// +// If pushProcessMetrics is set to true, then 'process_*' and `go_*` metrics are also pushed to pushURL. +// +// opts may contain additional configuration options if non-nil. +// +// It is recommended pushing metrics to /api/v1/import/prometheus endpoint according to +// https://docs.victoriametrics.com/victoriametrics/single-server-victoriametrics/#how-to-import-data-in-prometheus-exposition-format +func PushMetrics(ctx context.Context, pushURL string, pushProcessMetrics bool, opts *PushOptions) error { + writeMetrics := func(w io.Writer) { + WritePrometheus(w, pushProcessMetrics) + } + return PushMetricsExt(ctx, pushURL, writeMetrics, opts) +} + +// InitPushWithOptions sets up periodic push for metrics from s to the given pushURL with the given interval. +// +// The periodic push is stopped when the ctx is canceled. +// It is possible to wait until the background metrics push worker is stopped on a WaitGroup passed via opts.WaitGroup. +// +// opts may contain additional configuration options if non-nil. +// +// The metrics are pushed to pushURL in Prometheus text exposition format. +// See https://github.com/prometheus/docs/blob/main/content/docs/instrumenting/exposition_formats.md#text-based-format +// +// It is recommended pushing metrics to /api/v1/import/prometheus endpoint according to +// https://docs.victoriametrics.com/victoriametrics/single-server-victoriametrics/#how-to-import-data-in-prometheus-exposition-format +// +// It is OK calling InitPushWithOptions multiple times with different pushURL - +// in this case metrics are pushed to all the provided pushURL urls. +func (s *Set) InitPushWithOptions(ctx context.Context, pushURL string, interval time.Duration, opts *PushOptions) error { + return InitPushExtWithOptions(ctx, pushURL, interval, s.WritePrometheus, opts) +} + +// InitPush sets up periodic push for metrics from s to the given pushURL with the given interval. +// +// extraLabels may contain comma-separated list of `label="value"` labels, which will be added +// to all the metrics before pushing them to pushURL. +// +// The metrics are pushed to pushURL in Prometheus text exposition format. +// See https://github.com/prometheus/docs/blob/main/content/docs/instrumenting/exposition_formats.md#text-based-format +// +// It is recommended pushing metrics to /api/v1/import/prometheus endpoint according to +// https://docs.victoriametrics.com/victoriametrics/single-server-victoriametrics/#how-to-import-data-in-prometheus-exposition-format +// +// It is OK calling InitPush multiple times with different pushURL - +// in this case metrics are pushed to all the provided pushURL urls. +func (s *Set) InitPush(pushURL string, interval time.Duration, extraLabels string) error { + return InitPushExt(pushURL, interval, extraLabels, s.WritePrometheus) +} + +// PushMetrics pushes s metrics to pushURL. +// +// opts may contain additional configuration options if non-nil. +// +// It is recommended pushing metrics to /api/v1/import/prometheus endpoint according to +// https://docs.victoriametrics.com/victoriametrics/single-server-victoriametrics/#how-to-import-data-in-prometheus-exposition-format +func (s *Set) PushMetrics(ctx context.Context, pushURL string, opts *PushOptions) error { + return PushMetricsExt(ctx, pushURL, s.WritePrometheus, opts) +} + +// InitPushExt sets up periodic push for metrics obtained by calling writeMetrics with the given interval. +// +// extraLabels may contain comma-separated list of `label="value"` labels, which will be added +// to all the metrics before pushing them to pushURL. +// +// The writeMetrics callback must write metrics to w in Prometheus text exposition format without timestamps and trailing comments. +// See https://github.com/prometheus/docs/blob/main/content/docs/instrumenting/exposition_formats.md#text-based-format +// +// It is recommended pushing metrics to /api/v1/import/prometheus endpoint according to +// https://docs.victoriametrics.com/victoriametrics/single-server-victoriametrics/#how-to-import-data-in-prometheus-exposition-format +// +// It is OK calling InitPushExt multiple times with different pushURL - +// in this case metrics are pushed to all the provided pushURL urls. +// +// It is OK calling InitPushExt multiple times with different writeMetrics - +// in this case all the metrics generated by writeMetrics callbacks are written to pushURL. +func InitPushExt(pushURL string, interval time.Duration, extraLabels string, writeMetrics func(w io.Writer)) error { + opts := &PushOptions{ + ExtraLabels: extraLabels, + } + return InitPushExtWithOptions(context.Background(), pushURL, interval, writeMetrics, opts) +} + +// InitPushExtWithOptions sets up periodic push for metrics obtained by calling writeMetrics with the given interval. +// +// The writeMetrics callback must write metrics to w in Prometheus text exposition format without timestamps and trailing comments. +// See https://github.com/prometheus/docs/blob/main/content/docs/instrumenting/exposition_formats.md#text-based-format +// +// The periodic push is stopped when the ctx is canceled. +// It is possible to wait until the background metrics push worker is stopped on a WaitGroup passed via opts.WaitGroup. +// +// opts may contain additional configuration options if non-nil. +// +// It is recommended pushing metrics to /api/v1/import/prometheus endpoint according to +// https://docs.victoriametrics.com/victoriametrics/single-server-victoriametrics/#how-to-import-data-in-prometheus-exposition-format +// +// It is OK calling InitPushExtWithOptions multiple times with different pushURL - +// in this case metrics are pushed to all the provided pushURL urls. +// +// It is OK calling InitPushExtWithOptions multiple times with different writeMetrics - +// in this case all the metrics generated by writeMetrics callbacks are written to pushURL. +func InitPushExtWithOptions(ctx context.Context, pushURL string, interval time.Duration, writeMetrics func(w io.Writer), opts *PushOptions) error { + pc, err := newPushContext(pushURL, opts) + if err != nil { + return err + } + + // validate interval + if interval <= 0 { + return fmt.Errorf("interval must be positive; got %s", interval) + } + pushMetricsSet.GetOrCreateFloatCounter(fmt.Sprintf(`metrics_push_interval_seconds{url=%q}`, pc.pushURLRedacted)).Set(interval.Seconds()) + + var wg *sync.WaitGroup + if opts != nil { + wg = opts.WaitGroup + if wg != nil { + wg.Add(1) + } + } + go func() { + ticker := time.NewTicker(interval) + defer ticker.Stop() + stopCh := ctx.Done() + for { + select { + case <-ticker.C: + ctxLocal, cancel := context.WithTimeout(ctx, interval+time.Second) + err := pc.pushMetrics(ctxLocal, writeMetrics) + cancel() + if err != nil { + log.Printf("ERROR: metrics.push: %s", err) + } + case <-stopCh: + if wg != nil { + wg.Done() + } + return + } + } + }() + + return nil +} + +// PushMetricsExt pushes metrics generated by wirteMetrics to pushURL. +// +// The writeMetrics callback must write metrics to w in Prometheus text exposition format without timestamps and trailing comments. +// See https://github.com/prometheus/docs/blob/main/content/docs/instrumenting/exposition_formats.md#text-based-format +// +// opts may contain additional configuration options if non-nil. +// +// It is recommended pushing metrics to /api/v1/import/prometheus endpoint according to +// https://docs.victoriametrics.com/victoriametrics/single-server-victoriametrics/#how-to-import-data-in-prometheus-exposition-format +func PushMetricsExt(ctx context.Context, pushURL string, writeMetrics func(w io.Writer), opts *PushOptions) error { + pc, err := newPushContext(pushURL, opts) + if err != nil { + return err + } + return pc.pushMetrics(ctx, writeMetrics) +} + +type pushContext struct { + pushURL *url.URL + method string + pushURLRedacted string + extraLabels string + headers http.Header + disableCompression bool + + client *http.Client + + pushesTotal *Counter + bytesPushedTotal *Counter + pushBlockSize *Histogram + pushDuration *Histogram + pushErrors *Counter +} + +func newPushContext(pushURL string, opts *PushOptions) (*pushContext, error) { + if opts == nil { + opts = &PushOptions{} + } + + // validate pushURL + pu, err := url.Parse(pushURL) + if err != nil { + return nil, fmt.Errorf("cannot parse pushURL=%q: %w", pushURL, err) + } + if pu.Scheme != "http" && pu.Scheme != "https" { + return nil, fmt.Errorf("unsupported scheme in pushURL=%q; expecting 'http' or 'https'", pushURL) + } + if pu.Host == "" { + return nil, fmt.Errorf("missing host in pushURL=%q", pushURL) + } + + method := opts.Method + if method == "" { + method = http.MethodGet + } + + // validate ExtraLabels + extraLabels := opts.ExtraLabels + if err := validateTags(extraLabels); err != nil { + return nil, fmt.Errorf("invalid extraLabels=%q: %w", extraLabels, err) + } + + // validate Headers + headers := make(http.Header) + for _, h := range opts.Headers { + n := strings.IndexByte(h, ':') + if n < 0 { + return nil, fmt.Errorf("missing `:` delimiter in the header %q", h) + } + name := strings.TrimSpace(h[:n]) + value := strings.TrimSpace(h[n+1:]) + headers.Add(name, value) + } + + pushURLRedacted := pu.Redacted() + client := &http.Client{} + return &pushContext{ + pushURL: pu, + method: method, + pushURLRedacted: pushURLRedacted, + extraLabels: extraLabels, + headers: headers, + disableCompression: opts.DisableCompression, + + client: client, + + pushesTotal: pushMetricsSet.GetOrCreateCounter(fmt.Sprintf(`metrics_push_total{url=%q}`, pushURLRedacted)), + bytesPushedTotal: pushMetricsSet.GetOrCreateCounter(fmt.Sprintf(`metrics_push_bytes_pushed_total{url=%q}`, pushURLRedacted)), + pushBlockSize: pushMetricsSet.GetOrCreateHistogram(fmt.Sprintf(`metrics_push_block_size_bytes{url=%q}`, pushURLRedacted)), + pushDuration: pushMetricsSet.GetOrCreateHistogram(fmt.Sprintf(`metrics_push_duration_seconds{url=%q}`, pushURLRedacted)), + pushErrors: pushMetricsSet.GetOrCreateCounter(fmt.Sprintf(`metrics_push_errors_total{url=%q}`, pushURLRedacted)), + }, nil +} + +func (pc *pushContext) pushMetrics(ctx context.Context, writeMetrics func(w io.Writer)) error { + bb := getBytesBuffer() + defer putBytesBuffer(bb) + + writeMetrics(bb) + + if len(pc.extraLabels) > 0 { + bbTmp := getBytesBuffer() + bbTmp.B = append(bbTmp.B[:0], bb.B...) + bb.B = addExtraLabels(bb.B[:0], bbTmp.B, pc.extraLabels) + putBytesBuffer(bbTmp) + } + if !pc.disableCompression { + bbTmp := getBytesBuffer() + bbTmp.B = append(bbTmp.B[:0], bb.B...) + bb.B = bb.B[:0] + zw := getGzipWriter(bb) + if _, err := zw.Write(bbTmp.B); err != nil { + panic(fmt.Errorf("BUG: cannot write %d bytes to gzip writer: %s", len(bbTmp.B), err)) + } + if err := zw.Close(); err != nil { + panic(fmt.Errorf("BUG: cannot flush metrics to gzip writer: %s", err)) + } + putGzipWriter(zw) + putBytesBuffer(bbTmp) + } + + // Update metrics + pc.pushesTotal.Inc() + blockLen := len(bb.B) + pc.bytesPushedTotal.Add(blockLen) + pc.pushBlockSize.Update(float64(blockLen)) + + // Prepare the request to sent to pc.pushURL + reqBody := bytes.NewReader(bb.B) + req, err := http.NewRequestWithContext(ctx, pc.method, pc.pushURL.String(), reqBody) + if err != nil { + panic(fmt.Errorf("BUG: metrics.push: cannot initialize request for metrics push to %q: %w", pc.pushURLRedacted, err)) + } + + req.Header.Set("Content-Type", "text/plain") + // Set the needed headers, and `Content-Type` allowed be overwrited. + for name, values := range pc.headers { + for _, value := range values { + req.Header.Add(name, value) + } + } + if !pc.disableCompression { + req.Header.Set("Content-Encoding", "gzip") + } + + // Perform the request + startTime := time.Now() + resp, err := pc.client.Do(req) + pc.pushDuration.UpdateDuration(startTime) + if err != nil { + if errors.Is(err, context.Canceled) { + return nil + } + pc.pushErrors.Inc() + return fmt.Errorf("cannot push metrics to %q: %s", pc.pushURLRedacted, err) + } + if resp.StatusCode/100 != 2 { + body, _ := ioutil.ReadAll(resp.Body) + _ = resp.Body.Close() + pc.pushErrors.Inc() + return fmt.Errorf("unexpected status code in response from %q: %d; expecting 2xx; response body: %q", pc.pushURLRedacted, resp.StatusCode, body) + } + _ = resp.Body.Close() + return nil +} + +var pushMetricsSet = NewSet() + +func writePushMetrics(w io.Writer) { + pushMetricsSet.WritePrometheus(w) +} + +func addExtraLabels(dst, src []byte, extraLabels string) []byte { + for len(src) > 0 { + var line []byte + n := bytes.IndexByte(src, '\n') + if n >= 0 { + line = src[:n] + src = src[n+1:] + } else { + line = src + src = nil + } + line = bytes.TrimSpace(line) + if len(line) == 0 { + // Skip empy lines + continue + } + if bytes.HasPrefix(line, bashBytes) { + // Copy comments as is + dst = append(dst, line...) + dst = append(dst, '\n') + continue + } + n = bytes.IndexByte(line, '{') + if n >= 0 { + dst = append(dst, line[:n+1]...) + dst = append(dst, extraLabels...) + dst = append(dst, ',') + dst = append(dst, line[n+1:]...) + } else { + n = bytes.LastIndexByte(line, ' ') + if n < 0 { + panic(fmt.Errorf("BUG: missing whitespace between metric name and metric value in Prometheus text exposition line %q", line)) + } + dst = append(dst, line[:n]...) + dst = append(dst, '{') + dst = append(dst, extraLabels...) + dst = append(dst, '}') + dst = append(dst, line[n:]...) + } + dst = append(dst, '\n') + } + return dst +} + +var bashBytes = []byte("#") + +func getBytesBuffer() *bytesBuffer { + v := bytesBufferPool.Get() + if v == nil { + return &bytesBuffer{} + } + return v.(*bytesBuffer) +} + +func putBytesBuffer(bb *bytesBuffer) { + bb.B = bb.B[:0] + bytesBufferPool.Put(bb) +} + +var bytesBufferPool sync.Pool + +type bytesBuffer struct { + B []byte +} + +func (bb *bytesBuffer) Write(p []byte) (int, error) { + bb.B = append(bb.B, p...) + return len(p), nil +} + +func getGzipWriter(w io.Writer) *gzip.Writer { + v := gzipWriterPool.Get() + if v == nil { + return gzip.NewWriter(w) + } + zw := v.(*gzip.Writer) + zw.Reset(w) + return zw +} + +func putGzipWriter(zw *gzip.Writer) { + zw.Reset(io.Discard) + gzipWriterPool.Put(zw) +} + +var gzipWriterPool sync.Pool diff --git a/vendor/github.com/VictoriaMetrics/metrics/set.go b/vendor/github.com/VictoriaMetrics/metrics/set.go index ae55bb71c..b8b81b92c 100644 --- a/vendor/github.com/VictoriaMetrics/metrics/set.go +++ b/vendor/github.com/VictoriaMetrics/metrics/set.go @@ -19,9 +19,13 @@ type Set struct { a []*namedMetric m map[string]*namedMetric summaries []*Summary + + metricsWriters []func(w io.Writer) } // NewSet creates new set of metrics. +// +// Pass the set to RegisterSet() function in order to export its metrics via global WritePrometheus() call. func NewSet() *Set { return &Set{ m: make(map[string]*namedMetric), @@ -33,6 +37,25 @@ func (s *Set) WritePrometheus(w io.Writer) { // Collect all the metrics in in-memory buffer in order to prevent from long locking due to slow w. var bb bytes.Buffer lessFunc := func(i, j int) bool { + // the sorting must be stable. + // see edge cases why we can't simply do `s.a[i].name < s.a[j].name` here: + // https://github.com/VictoriaMetrics/metrics/pull/99#issuecomment-3277072175 + + // sort by metric family name first, to group the same metric family in one place. + fName1, fName2 := getMetricFamily(s.a[i].name), getMetricFamily(s.a[j].name) + if fName1 != fName2 { + return fName1 < fName2 + } + + // Only summary and quantile(s) have different metric types. + // Sorting by metric type will stabilize the order for summary and quantile(s). + mType1 := s.a[i].metric.metricType() + mType2 := s.a[j].metric.metricType() + if mType1 != mType2 { + return mType1 < mType2 + } + + // lastly by metric names, which is for quantiles and histogram buckets. return s.a[i].name < s.a[j].name } s.mu.Lock() @@ -43,14 +66,43 @@ func (s *Set) WritePrometheus(w io.Writer) { sort.Slice(s.a, lessFunc) } sa := append([]*namedMetric(nil), s.a...) + metricsWriters := s.metricsWriters s.mu.Unlock() - // Call marshalTo without the global lock, since certain metric types such as Gauge - // can call a callback, which, in turn, can try calling s.mu.Lock again. + // metricsWithMetadataBuf is used to hold marshalTo temporary, and decide whether metadata is needed. + // it will be written to `bb` at the end and then reset for next *namedMetric in for-loop. + var metricsWithMetadataBuf bytes.Buffer + var prevMetricFamily string for _, nm := range sa { - nm.metric.marshalTo(nm.name, &bb) + if !isMetadataEnabled() { + // Call marshalTo without the global lock, since certain metric types such as Gauge + // can call a callback, which, in turn, can try calling s.mu.Lock again. + nm.metric.marshalTo(nm.name, &bb) + continue + } + + metricsWithMetadataBuf.Reset() + // Call marshalTo without the global lock, since certain metric types such as Gauge + // can call a callback, which, in turn, can try calling s.mu.Lock again. + nm.metric.marshalTo(nm.name, &metricsWithMetadataBuf) + if metricsWithMetadataBuf.Len() == 0 { + continue + } + + metricFamily := getMetricFamily(nm.name) + if metricFamily != prevMetricFamily { + // write metadata only once per metric family + metricType := nm.metric.metricType() + writeMetadata(&bb, metricFamily, metricType) + prevMetricFamily = metricFamily + } + bb.Write(metricsWithMetadataBuf.Bytes()) } w.Write(bb.Bytes()) + + for _, writeMetrics := range metricsWriters { + writeMetrics(w) + } } // NewHistogram creates and returns new histogram in s with the given name. @@ -58,9 +110,9 @@ func (s *Set) WritePrometheus(w io.Writer) { // name must be valid Prometheus-compatible metric with possible labels. // For instance, // -// * foo -// * foo{bar="baz"} -// * foo{bar="baz",aaa="b"} +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} // // The returned histogram is safe to use from concurrent goroutines. func (s *Set) NewHistogram(name string) *Histogram { @@ -75,9 +127,9 @@ func (s *Set) NewHistogram(name string) *Histogram { // name must be valid Prometheus-compatible metric with possible labels. // For instance, // -// * foo -// * foo{bar="baz"} -// * foo{bar="baz",aaa="b"} +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} // // The returned histogram is safe to use from concurrent goroutines. // @@ -88,7 +140,7 @@ func (s *Set) GetOrCreateHistogram(name string) *Histogram { s.mu.Unlock() if nm == nil { // Slow path - create and register missing histogram. - if err := validateMetric(name); err != nil { + if err := ValidateMetric(name); err != nil { panic(fmt.Errorf("BUG: invalid metric name %q: %s", name, err)) } nmNew := &namedMetric{ @@ -111,14 +163,107 @@ func (s *Set) GetOrCreateHistogram(name string) *Histogram { return h } +// NewPrometheusHistogram creates and returns new PrometheusHistogram in s +// with the given name and PrometheusHistogramDefaultBuckets. +// +// name must be valid Prometheus-compatible metric with possible labels. +// For instance, +// +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} +// +// The returned histogram is safe to use from concurrent goroutines. +func (s *Set) NewPrometheusHistogram(name string) *PrometheusHistogram { + return s.NewPrometheusHistogramExt(name, PrometheusHistogramDefaultBuckets) +} + +// NewPrometheusHistogramExt creates and returns new PrometheusHistogram in s +// with the given name and upperBounds. +// +// name must be valid Prometheus-compatible metric with possible labels. +// For instance, +// +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} +// +// The returned histogram is safe to use from concurrent goroutines. +func (s *Set) NewPrometheusHistogramExt(name string, upperBounds []float64) *PrometheusHistogram { + h := newPrometheusHistogram(upperBounds) + s.registerMetric(name, h) + return h +} + +// GetOrCreatePrometheusHistogram returns registered prometheus histogram in s +// with the given name or creates new histogram if s doesn't contain histogram +// with the given name. +// +// name must be valid Prometheus-compatible metric with possible labels. +// For instance, +// +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} +// +// The returned histogram is safe to use from concurrent goroutines. +// +// Performance tip: prefer NewPrometheusHistogram instead of GetOrCreatePrometheusHistogram. +func (s *Set) GetOrCreatePrometheusHistogram(name string) *PrometheusHistogram { + return s.GetOrCreatePrometheusHistogramExt(name, PrometheusHistogramDefaultBuckets) +} + +// GetOrCreatePrometheusHistogramExt returns registered prometheus histogram in +// s with the given name or creates new histogram if s doesn't contain +// histogram with the given name. +// +// name must be valid Prometheus-compatible metric with possible labels. +// For instance, +// +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} +// +// The returned histogram is safe to use from concurrent goroutines. +// +// Performance tip: prefer NewPrometheusHistogramExt instead of GetOrCreatePrometheusHistogramExt. +func (s *Set) GetOrCreatePrometheusHistogramExt(name string, upperBounds []float64) *PrometheusHistogram { + s.mu.Lock() + nm := s.m[name] + s.mu.Unlock() + if nm == nil { + // Slow path - create and register missing histogram. + if err := ValidateMetric(name); err != nil { + panic(fmt.Errorf("BUG: invalid metric name %q: %s", name, err)) + } + nmNew := &namedMetric{ + name: name, + metric: newPrometheusHistogram(upperBounds), + } + s.mu.Lock() + nm = s.m[name] + if nm == nil { + nm = nmNew + s.m[name] = nm + s.a = append(s.a, nm) + } + s.mu.Unlock() + } + h, ok := nm.metric.(*PrometheusHistogram) + if !ok { + panic(fmt.Errorf("BUG: metric %q isn't a PrometheusHistogram. It is %T", name, nm.metric)) + } + return h +} + // NewCounter registers and returns new counter with the given name in the s. // // name must be valid Prometheus-compatible metric with possible labels. // For instance, // -// * foo -// * foo{bar="baz"} -// * foo{bar="baz",aaa="b"} +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} // // The returned counter is safe to use from concurrent goroutines. func (s *Set) NewCounter(name string) *Counter { @@ -133,9 +278,9 @@ func (s *Set) NewCounter(name string) *Counter { // name must be valid Prometheus-compatible metric with possible labels. // For instance, // -// * foo -// * foo{bar="baz"} -// * foo{bar="baz",aaa="b"} +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} // // The returned counter is safe to use from concurrent goroutines. // @@ -146,7 +291,7 @@ func (s *Set) GetOrCreateCounter(name string) *Counter { s.mu.Unlock() if nm == nil { // Slow path - create and register missing counter. - if err := validateMetric(name); err != nil { + if err := ValidateMetric(name); err != nil { panic(fmt.Errorf("BUG: invalid metric name %q: %s", name, err)) } nmNew := &namedMetric{ @@ -174,9 +319,9 @@ func (s *Set) GetOrCreateCounter(name string) *Counter { // name must be valid Prometheus-compatible metric with possible labels. // For instance, // -// * foo -// * foo{bar="baz"} -// * foo{bar="baz",aaa="b"} +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} // // The returned FloatCounter is safe to use from concurrent goroutines. func (s *Set) NewFloatCounter(name string) *FloatCounter { @@ -191,9 +336,9 @@ func (s *Set) NewFloatCounter(name string) *FloatCounter { // name must be valid Prometheus-compatible metric with possible labels. // For instance, // -// * foo -// * foo{bar="baz"} -// * foo{bar="baz",aaa="b"} +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} // // The returned FloatCounter is safe to use from concurrent goroutines. // @@ -204,7 +349,7 @@ func (s *Set) GetOrCreateFloatCounter(name string) *FloatCounter { s.mu.Unlock() if nm == nil { // Slow path - create and register missing counter. - if err := validateMetric(name); err != nil { + if err := ValidateMetric(name); err != nil { panic(fmt.Errorf("BUG: invalid metric name %q: %s", name, err)) } nmNew := &namedMetric{ @@ -233,17 +378,14 @@ func (s *Set) GetOrCreateFloatCounter(name string) *FloatCounter { // name must be valid Prometheus-compatible metric with possible labels. // For instance, // -// * foo -// * foo{bar="baz"} -// * foo{bar="baz",aaa="b"} +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} // // f must be safe for concurrent calls. // // The returned gauge is safe to use from concurrent goroutines. func (s *Set) NewGauge(name string, f func() float64) *Gauge { - if f == nil { - panic(fmt.Errorf("BUG: f cannot be nil")) - } g := &Gauge{ f: f, } @@ -257,9 +399,9 @@ func (s *Set) NewGauge(name string, f func() float64) *Gauge { // name must be valid Prometheus-compatible metric with possible labels. // For instance, // -// * foo -// * foo{bar="baz"} -// * foo{bar="baz",aaa="b"} +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} // // The returned gauge is safe to use from concurrent goroutines. // @@ -270,10 +412,7 @@ func (s *Set) GetOrCreateGauge(name string, f func() float64) *Gauge { s.mu.Unlock() if nm == nil { // Slow path - create and register missing gauge. - if f == nil { - panic(fmt.Errorf("BUG: f cannot be nil")) - } - if err := validateMetric(name); err != nil { + if err := ValidateMetric(name); err != nil { panic(fmt.Errorf("BUG: invalid metric name %q: %s", name, err)) } nmNew := &namedMetric{ @@ -303,9 +442,9 @@ func (s *Set) GetOrCreateGauge(name string, f func() float64) *Gauge { // name must be valid Prometheus-compatible metric with possible labels. // For instance, // -// * foo -// * foo{bar="baz"} -// * foo{bar="baz",aaa="b"} +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} // // The returned summary is safe to use from concurrent goroutines. func (s *Set) NewSummary(name string) *Summary { @@ -318,13 +457,13 @@ func (s *Set) NewSummary(name string) *Summary { // name must be valid Prometheus-compatible metric with possible labels. // For instance, // -// * foo -// * foo{bar="baz"} -// * foo{bar="baz",aaa="b"} +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} // // The returned summary is safe to use from concurrent goroutines. func (s *Set) NewSummaryExt(name string, window time.Duration, quantiles []float64) *Summary { - if err := validateMetric(name); err != nil { + if err := ValidateMetric(name); err != nil { panic(fmt.Errorf("BUG: invalid metric name %q: %s", name, err)) } sm := newSummary(window, quantiles) @@ -334,7 +473,7 @@ func (s *Set) NewSummaryExt(name string, window time.Duration, quantiles []float // checks in tests defer s.mu.Unlock() - s.mustRegisterLocked(name, sm) + s.mustRegisterLocked(name, sm, false) registerSummaryLocked(sm) s.registerSummaryQuantilesLocked(name, sm) s.summaries = append(s.summaries, sm) @@ -347,9 +486,9 @@ func (s *Set) NewSummaryExt(name string, window time.Duration, quantiles []float // name must be valid Prometheus-compatible metric with possible labels. // For instance, // -// * foo -// * foo{bar="baz"} -// * foo{bar="baz",aaa="b"} +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} // // The returned summary is safe to use from concurrent goroutines. // @@ -365,9 +504,9 @@ func (s *Set) GetOrCreateSummary(name string) *Summary { // name must be valid Prometheus-compatible metric with possible labels. // For instance, // -// * foo -// * foo{bar="baz"} -// * foo{bar="baz",aaa="b"} +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} // // The returned summary is safe to use from concurrent goroutines. // @@ -378,7 +517,7 @@ func (s *Set) GetOrCreateSummaryExt(name string, window time.Duration, quantiles s.mu.Unlock() if nm == nil { // Slow path - create and register missing summary. - if err := validateMetric(name); err != nil { + if err := ValidateMetric(name); err != nil { panic(fmt.Errorf("BUG: invalid metric name %q: %s", name, err)) } sm := newSummary(window, quantiles) @@ -418,30 +557,31 @@ func (s *Set) registerSummaryQuantilesLocked(name string, sm *Summary) { sm: sm, idx: i, } - s.mustRegisterLocked(quantileValueName, qv) + s.mustRegisterLocked(quantileValueName, qv, true) } } func (s *Set) registerMetric(name string, m metric) { - if err := validateMetric(name); err != nil { + if err := ValidateMetric(name); err != nil { panic(fmt.Errorf("BUG: invalid metric name %q: %s", name, err)) } s.mu.Lock() // defer will unlock in case of panic // checks in test defer s.mu.Unlock() - s.mustRegisterLocked(name, m) + s.mustRegisterLocked(name, m, false) } -// mustRegisterLocked registers given metric with -// the given name. Panics if the given name was -// already registered before. -func (s *Set) mustRegisterLocked(name string, m metric) { +// mustRegisterLocked registers given metric with the given name. +// +// Panics if the given name was already registered before. +func (s *Set) mustRegisterLocked(name string, m metric, isAux bool) { nm, ok := s.m[name] if !ok { nm = &namedMetric{ name: name, metric: m, + isAux: isAux, } s.m[name] = nm s.a = append(s.a, nm) @@ -463,8 +603,16 @@ func (s *Set) UnregisterMetric(name string) bool { if !ok { return false } - m := nm.metric + if nm.isAux { + // Do not allow deleting auxiliary metrics such as summary_metric{quantile="..."} + // Such metrics must be deleted via parent metric name, e.g. summary_metric . + return false + } + return s.unregisterMetricLocked(nm) +} +func (s *Set) unregisterMetricLocked(nm *namedMetric) bool { + name := nm.name delete(s.m, name) deleteFromList := func(metricName string) { @@ -480,9 +628,9 @@ func (s *Set) UnregisterMetric(name string) bool { // remove metric from s.a deleteFromList(name) - sm, ok := m.(*Summary) + sm, ok := nm.metric.(*Summary) if !ok { - // There is no need in cleaning up summary. + // There is no need in cleaning up non-summary metrics. return true } @@ -509,13 +657,47 @@ func (s *Set) UnregisterMetric(name string) bool { return true } -// ListMetricNames returns a list of all the metrics in s. +// UnregisterAllMetrics de-registers all metrics registered in s. +// +// It also de-registers writeMetrics callbacks passed to RegisterMetricsWriter. +func (s *Set) UnregisterAllMetrics() { + metricNames := s.ListMetricNames() + for _, name := range metricNames { + s.UnregisterMetric(name) + } + + s.mu.Lock() + s.metricsWriters = nil + s.mu.Unlock() +} + +// ListMetricNames returns sorted list of all the metrics in s. +// +// The returned list doesn't include metrics generated by metricsWriter passed to RegisterMetricsWriter. func (s *Set) ListMetricNames() []string { s.mu.Lock() defer s.mu.Unlock() - var list []string - for name := range s.m { - list = append(list, name) + metricNames := make([]string, 0, len(s.m)) + for _, nm := range s.m { + if nm.isAux { + continue + } + metricNames = append(metricNames, nm.name) } - return list + sort.Strings(metricNames) + return metricNames +} + +// RegisterMetricsWriter registers writeMetrics callback for including metrics in the output generated by s.WritePrometheus. +// +// The writeMetrics callback must write metrics to w in Prometheus text exposition format without timestamps and trailing comments. +// The last line generated by writeMetrics must end with \n. +// See https://github.com/prometheus/docs/blob/main/content/docs/instrumenting/exposition_formats.md#text-based-format +// +// It is OK to reguster multiple writeMetrics callbacks - all of them will be called sequentially for gererating the output at s.WritePrometheus. +func (s *Set) RegisterMetricsWriter(writeMetrics func(w io.Writer)) { + s.mu.Lock() + defer s.mu.Unlock() + + s.metricsWriters = append(s.metricsWriters, writeMetrics) } diff --git a/vendor/github.com/VictoriaMetrics/metrics/summary.go b/vendor/github.com/VictoriaMetrics/metrics/summary.go index 0f01e9ae1..51bccdf98 100644 --- a/vendor/github.com/VictoriaMetrics/metrics/summary.go +++ b/vendor/github.com/VictoriaMetrics/metrics/summary.go @@ -36,9 +36,9 @@ type Summary struct { // name must be valid Prometheus-compatible metric with possible labels. // For instance, // -// * foo -// * foo{bar="baz"} -// * foo{bar="baz",aaa="b"} +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} // // The returned summary is safe to use from concurrent goroutines. func NewSummary(name string) *Summary { @@ -51,9 +51,9 @@ func NewSummary(name string) *Summary { // name must be valid Prometheus-compatible metric with possible labels. // For instance, // -// * foo -// * foo{bar="baz"} -// * foo{bar="baz",aaa="b"} +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} // // The returned summary is safe to use from concurrent goroutines. func NewSummaryExt(name string, window time.Duration, quantiles []float64) *Summary { @@ -119,6 +119,16 @@ func (sm *Summary) marshalTo(prefix string, w io.Writer) { } } +func (sm *Summary) metricType() string { + // this metric type should not be printed, because summary (sum and count) + // of the same metric family will be printed after quantile(s). + // If metadata is needed, the metadata from quantile(s) should be used. + // quantile will be printed first, so its metrics type won't be printed as metadata. + // Printing quantiles before sum and count aligns this code with Prometheus behavior. + // See: https://github.com/VictoriaMetrics/metrics/pull/99 + return "unsupported" +} + func splitMetricName(name string) (string, string) { n := strings.IndexByte(name, '{') if n < 0 { @@ -140,9 +150,9 @@ func (sm *Summary) updateQuantiles() { // name must be valid Prometheus-compatible metric with possible labels. // For instance, // -// * foo -// * foo{bar="baz"} -// * foo{bar="baz",aaa="b"} +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} // // The returned summary is safe to use from concurrent goroutines. // @@ -158,9 +168,9 @@ func GetOrCreateSummary(name string) *Summary { // name must be valid Prometheus-compatible metric with possible labels. // For instance, // -// * foo -// * foo{bar="baz"} -// * foo{bar="baz",aaa="b"} +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} // // The returned summary is safe to use from concurrent goroutines. // @@ -196,11 +206,23 @@ func (qv *quantileValue) marshalTo(prefix string, w io.Writer) { } } +func (qv *quantileValue) metricType() string { + return "summary" +} + func addTag(name, tag string) string { if len(name) == 0 || name[len(name)-1] != '}' { return fmt.Sprintf("%s{%s}", name, tag) } - return fmt.Sprintf("%s,%s}", name[:len(name)-1], tag) + name = name[:len(name)-1] + if len(name) == 0 { + panic(fmt.Errorf("BUG: metric name cannot be empty")) + } + if name[len(name)-1] == '{' { + // case for empty labels set metric_name{} + return fmt.Sprintf("%s%s}", name, tag) + } + return fmt.Sprintf("%s,%s}", name, tag) } func registerSummaryLocked(sm *Summary) { diff --git a/vendor/github.com/VictoriaMetrics/metrics/validator.go b/vendor/github.com/VictoriaMetrics/metrics/validator.go index 9960189af..8dd4d796b 100644 --- a/vendor/github.com/VictoriaMetrics/metrics/validator.go +++ b/vendor/github.com/VictoriaMetrics/metrics/validator.go @@ -6,10 +6,20 @@ import ( "strings" ) -func validateMetric(s string) error { +// ValidateMetric validates provided string +// to be valid Prometheus-compatible metric with possible labels. +// For instance, +// +// - foo +// - foo{bar="baz"} +// - foo{bar="baz",aaa="b"} +func ValidateMetric(s string) error { if len(s) == 0 { return fmt.Errorf("metric cannot be empty") } + if strings.IndexByte(s, '\n') >= 0 { + return fmt.Errorf("metric cannot contain line breaks") + } n := strings.IndexByte(s, '{') if n < 0 { return validateIdent(s) diff --git a/vendor/github.com/bitfield/script/.gitattributes b/vendor/github.com/bitfield/script/.gitattributes new file mode 100644 index 000000000..375efffdf --- /dev/null +++ b/vendor/github.com/bitfield/script/.gitattributes @@ -0,0 +1,6 @@ +# Treat all files in this repo as binary, with no git magic updating line +# endings. Windows users contributing to the project will need to use a modern +# version of git and editors capable of LF line endings. +# +# See https://github.com/golang/go/issues/9281 +* -text \ No newline at end of file diff --git a/vendor/github.com/bitfield/script/.gitignore b/vendor/github.com/bitfield/script/.gitignore new file mode 100644 index 000000000..8b9798094 --- /dev/null +++ b/vendor/github.com/bitfield/script/.gitignore @@ -0,0 +1,10 @@ +.DS_Store +examples/cat/cat +examples/grep/grep +examples/cat2/cat2 +examples/echo/echo +examples/head/head +examples/visitors/visitors +examples/*/go.sum +.vscode/settings.json +examples/ls/ls diff --git a/vendor/github.com/bitfield/script/CODE_OF_CONDUCT.md b/vendor/github.com/bitfield/script/CODE_OF_CONDUCT.md new file mode 100644 index 000000000..5b29514af --- /dev/null +++ b/vendor/github.com/bitfield/script/CODE_OF_CONDUCT.md @@ -0,0 +1,40 @@ +# CONTRIBUTOR CODE OF CONDUCT + +## Our Pledge + +In the interest of fostering an open and welcoming environment, we as contributors and maintainers pledge to make participation in our project and our community a harassment-free experience for everyone, regardless of age, body size, disability, ethnicity, sex characteristics, gender identity and expression, level of experience, education, socio-economic status, nationality, personal appearance, race, religion, or sexual identity and orientation. + +## Our Standards + +Examples of behavior that contributes to creating a positive environment include: +* Using welcoming and inclusive language +* Being respectful of differing viewpoints and experiences +* Gracefully accepting constructive criticism +* Focusing on what is best for the community +* Showing empathy towards other community members + +Examples of unacceptable behavior by participants include: +* The use of sexualized language or imagery and unwelcome sexual attention or advances +* Trolling, insulting/derogatory comments, and personal or political attacks +* Public or private harassment +* Publishing others’ private information, such as a physical or electronic address, without explicit permission +* Other conduct which could reasonably be considered inappropriate in a professional setting + +## Our Responsibilities + +Project maintainers are responsible for clarifying the standards of acceptable behavior and are expected to take appropriate and fair corrective action in response to any instances of unacceptable behavior. +Project maintainers have the right and responsibility to remove, edit, or reject comments, commits, code, wiki edits, issues, and other contributions that are not aligned to this Code of Conduct, or to ban temporarily or permanently any contributor for other behaviors that they deem inappropriate, threatening, offensive, or harmful. + +## Scope + +This Code of Conduct applies within all project spaces, and it also applies when an individual is representing the project or its community in public spaces. Examples of representing a project or community include using an official project e-mail address, posting via an official social media account, or acting as an appointed representative at an online or offline event. Representation of a project may be further defined and clarified by project maintainers. + +## Enforcement + +Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by contacting the project team at go@bitfieldconsulting.com. All complaints will be reviewed and investigated and will result in a response that is deemed necessary and appropriate to the circumstances. The project team is obligated to maintain confidentiality with regard to the reporter of an incident. Further details of specific enforcement policies may be posted separately. +Project maintainers who do not follow or enforce the Code of Conduct in good faith may face temporary or permanent repercussions as determined by other members of the project’s leadership. + +## Attribution + +This Code of Conduct is adapted from the Contributor Covenant, version 1.4, available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html +For answers to common questions about this code of conduct, see https://www.contributor-covenant.org/faq diff --git a/vendor/github.com/bitfield/script/CONTRIBUTING.md b/vendor/github.com/bitfield/script/CONTRIBUTING.md new file mode 100644 index 000000000..930a603b6 --- /dev/null +++ b/vendor/github.com/bitfield/script/CONTRIBUTING.md @@ -0,0 +1,172 @@ +So you'd like to contribute to the `script` library? Excellent! Thank you very much. I can absolutely use your help. + +# Getting started + +Here are some hints on a good workflow for contributing to the project. + +## Look for existing issues + +First of all, check the [issues](https://github.com/bitfield/script/issues) list. If you see an outstanding issue that you would like to tackle, by all means comment on the issue and let me know. + +If you already have an idea for a feature you want to add, check the issues list anyway, just to make sure it hasn't already been discussed. + +## Open a new issue before making a PR + +I _don't_ recommend just making a pull request for some new feature—it probably won't be accepted! Usually it's better to [open an issue](https://github.com/bitfield/script/issues/new) first, and we can discuss what the feature is about, how best to design it, other people can weigh in with contributions, and so forth. Design is, in fact, the hard part. Once we have a solid, well-thought-out design, implementing it is usually fairly easy. (Implementing a bad design may be easy too, but it's a waste of effort.) + +## Write a use case + +This is probably the most important thing to bear in mind. A great design principle for software libraries is to start with a real-world use case, and try to implement it using the feature you have in mind. _No issues or PRs will be accepted into `script` without an accompanying use case_. And I hold myself to that rule just as much as anybody else. + +What do I mean by "use case"? I mean a real problem that you or someone else actually has, that could be solved using the feature. For example, you might think it's a very cool idea to add a `Frobnicate()` method to `script`. Maybe it is, but what's it for? Where would this be used in the real world? Can you give an example of a problem that could be solved by a `script` program using `Frobnicate()`? If so, what would the program look like? + +The reason for insisting on this up front is that it's much easier to design a feature the right way if you start with its usage in mind. It's all too easy to design something in the abstract, and then find later that when you try to use it in a program, the API is completely unsuitable. + +A concrete use case also provides a helpful example program that can be included with the library to show how the feature is used. + +The final reason is that it's tempting to over-elaborate a design and add all sorts of bells and whistles that nobody actually wants. Simple APIs are best. If you think of an enhancement, but it's not needed for your use case, leave it out. Things can always be enhanced later if necessary. + +# Coding standards + +A library is easier to use, and easier for contributors to work on, if it has a consistent, unified style, approach, and layout. Here are a few hints on how to make a `script` PR that will be accepted right away. + +## Tests + +It goes without saying, but I'll say it anyway, that you must provide comprehensive tests for your feature. Code coverage doesn't need to be 100% (that's a waste of time and effort), but it does need to be very good. The [awesome-go](https://github.com/avelino/awesome-go) collection (which `script` is part of) mandates at least 80% coverage, and I'd rather it were 90% or better. + +Test data should go in the `testdata` directory. If you create a file of data for input to your method, name it `method_name.input.txt`. If you create a 'golden' file (of correct output, to compare with the output from your method) name it `method_name.golden.txt`. This will help keep things organised. + +### Use the standard library + +All `script` tests use the standard Go `testing` library; they don't use `testify` or `gock` or any of the other tempting and shiny test libraries. There's nothing wrong with those libraries, but it's good to keep things consistent, and not import any libraries we don't absolutely need. + +You'll get the feel of things by reading the existing tests, and maybe copying and adapting them for your own feature. + +All tests should call `t.Parallel()`. If there is some really good reason why your test can't be run in parallel, we'll talk about it. + +### Spend time on your test cases + +Add lots of test cases; they're cheap. Don't just test the obvious happy-path cases; test the null case, where your feature does nothing (make sure it does!). Test edge cases, strange inputs, missing inputs, non-ASCII characters, zeroes, and nils. Knowing what you know about your implementation, what inputs and cases might possibly cause it to break? Test those. + +Remember people are using `script` to write mission-critical system administration programs where their data, their privacy, and even their business could be at stake. Now, of course it's up to them to make sure that their programs are safe and correct; library maintainers bear no responsibility for that. But we can at least ensure that the code is as reliable and trustworthy as we can make it. + +### Add your method to `doMethodsOnPipe` for stress testing + +One final point: a common source of errors in Go programs is methods being called on zero or nil values. All `script` pipe methods should handle this situation, as well as being called on a valid pipe that just happens to have no contents (such as a newly-created pipe). + +To ensure this, we call every possible method on (in turn) a nil pipe, a zero pipe, and an empty pipe, using the `doMethodsOnPipe` helper function. If you add a new method to `script`, add a call to your method to this helper function, and it will automatically be stress tested. + +Methods on a nil, zero, or empty pipe should not necessarily do nothing; that depends on the method semantics. For example, `WriteFile()` on an empty pipe creates the required file, writes nothing to it, and closes it. This is correct behaviour. + +## Dealing with errors + +Runtime errors (as opposed to test failures or compilation errors) are handled in a special way in `script`. + +### Don't panic + +Methods should not, in any situation, panic. In fact, no `script` method panics, nor should any library method. Because calling `panic()` ends the program, this decision should be reserved for the `main()` function. In other words, it's up to the user, not us, when to crash the program. This is a good design principle for Go libraries in general, but especially here because we have a better way of dealing with errors. + +### Set the pipe's error status + +Normally, Go library code that encounters a problem would return an error to the caller, but `script` methods are specifically designed not to do this (see [Handling errors](README.md#Handling-errors)). Instead, set the error status on the pipe and return. Before you do anything at all in your method, you should check whether the pipe is nil, or the error status is set, and if so, return immediately. + +Here's an example: + +```go +func (p *Pipe) Frobnicate() *Pipe { + // If the pipe has an error, or is nil, this is a no-op + if p == nil || p.Error() != nil { + return p + } + output, err := doSomething() + if err != nil { + // Something went wrong, so save the error in the pipe. The user can + // check it afterwards. + p.SetError(err) + return p + } + return NewPipe().WithReader(bytes.NewReader(output)) +} +``` + +## Style and formatting + +This is easy in Go. Just use `gofmt`. End of. + +Your code should also pass `golint` and `go vet` without errors (and if you want to run other linters too, that would be excellent). Very, very occasionally there are situations where `golint` incorrectly detects a problem, and the workaround is awkward or annoying. In that situation, comment on the PR and we'll work out how best to handle it. + +# Documentation + +It doesn't matter if you write the greatest piece of code in the history of the world, if no one knows it exists, or how to use it. + +## Write doc comments + +Any functions or methods you write should have useful documentation comments in the standard `go doc` format. Specifically, they should say what inputs the function takes, what it does (in detail), and what outputs it returns. If it returns an error value, explain under what circumstances this happens. + +For example: + +```go +// WriteFile writes the contents of the pipe to the specified file, and closes +// the pipe after reading. If the file already exists, it is truncated and the +// new data will replace the old. It returns the number of bytes successfully +// written, or an error. +func (p *Pipe) WriteFile(fileName string) (int64, error) { +``` + +This is the _whole_ user manual for your code. It will be included in the autogenerated documentation for the whole package. Remember that readers will often see it _without_ the accompanying code, so it needs to make sense on its own. + +## Update the README + +Any change to the `script` API should also be accompanied by an update to the README. If you add a new method, add it to the appropriate table (sources, filters, or sinks), and if it's the equivalent of a command Unix command, add it to the table of Unix equivalents too. + +# Before submitting your pull request + +Here's a handy checklist for making sure your PR will be accepted as quickly as possible. + +- [ ] Have you opened an issue to discuss the feature and agree its general design? +- [ ] Do you have a use case and, ideally, an example program using the feature? +- [ ] Do you have tests covering 90%+ of the feature code (and, of course passing) +- [ ] Have you added your method to the `doMethodsOnPipe` stress tests? +- [ ] Have you written complete and accurate doc comments? +- [ ] Have you updated the README and its table of contents? +- [ ] You rock. Thanks a lot. + +# After submitting your PR + +Here's a nice tip for PR-driven development in general. After you've submitted the PR, do a 'pre-code-review'. Go through the diffs, line by line, and be your own code reviewer. Does something look weird? Is something not quite straightforward? It's quite likely that you'll spot errors at this stage that you missed before, simply because you're looking at the code with a reviewer's mindset. + +If so, fix them! But if you can foresee a question from a code reviewer, comment on the code to answer it in advance. (Even better, improve the code so that the question doesn't arise.) + +# The code review process + +If you've completed all these steps, I _will_ invest significant time and energy in giving your PR a detailed code review. This is a powerful and beneficial process that can not only improve the code, but can also help you learn to be a better engineer and a better Go programmer—and the same goes for me! + +## Expect to be taken seriously + +Don't think of code review as a "you got this wrong, fix it" kind of conversation (this isn't a helpful review comment). Instead, think of it as a discussion where both sides can ask questions, make suggestions, clarify problems and misunderstandings, catch mistakes, and add improvements. + +You shouldn't be disappointed if you don't get a simple 'LGTM' and an instant merge. If this is what you're used to, then your team isn't really doing code review to its full potential. Instead, the more comments you get, the more seriously it means I'm taking your work. Where appropriate, I'll say what I liked as well as what I'd like to see improved. + +## Dealing with comments + +Now comes the tricky bit. You may not agree with some of the code review comments. Reviewing code is a delicate business in the first place, requiring diplomacy as well as discretion, but responding to code reviews is also a skilled task. + +If you find yourself reacting emotionally, take a break. Go walk in the woods for a while, or play with a laughing child. When you come back to the code, approach it as though it were someone else's, not your own, and ask yourself seriously whether or not the reviewer _has a point_. + +If you genuinely think the reviewer has just misunderstood something, or made a mistake, try to clarify the issue. Ask questions, don't make accusations. Remember that every project has a certain way of doing things that may not be _your_ way. It's polite to go along with these practices and conventions. + +You may feel as though you're doing the project maintainer a favour by contributing, as indeed you are, but an open source project is like somebody's home. They're used to living there, they probably like it the way it is, and they don't always respond well to strangers marching in and rearranging the furniture. Be considerate, and be willing to listen and make changes. + +## This may take a while + +Don't be impatient. We've all had the experience of sending in our beautifully-crafted PR and then waiting, waiting, waiting. Why won't those idiots just merge it? How come other issues and PRs are getting dealt with ahead of mine? Am I invisible? + +In fact, doing a _proper_ and serious code review is a time-consuming business. It's not just a case of skim-reading the diffs. The reviewer will need to check out your branch, run the tests, think carefully about what you've done, make suggestions, test alternatives. It's almost as much work as writing the PR in the first place. + +Open source maintainers are just regular folk with jobs, kids, and zero free time or energy. They may not be able to drop everything and put in several hours on your PR. The task may have to wait a week or two until they can get sufficient time and peace and quiet to work on it. Don't pester them. It's fine to add a comment on the PR if you haven't heard anything for a while, asking if the reviewer's been able to look at it and whether there's anything you can do to help speed things up. Comments like 'Y U NO MERGE' are unlikely to elicit a positive response. + +Thanks again for helping out! + +## Code of Conduct + +As a contributor you can help keep the `script` community inclusive and open to everyone. Please read and adhere to our [Code of Conduct](CODE_OF_CONDUCT.md). diff --git a/vendor/github.com/bitfield/script/LICENSE b/vendor/github.com/bitfield/script/LICENSE new file mode 100644 index 000000000..dfd259fb3 --- /dev/null +++ b/vendor/github.com/bitfield/script/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2019 John Arundel + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/vendor/github.com/bitfield/script/README.md b/vendor/github.com/bitfield/script/README.md new file mode 100644 index 000000000..461168e97 --- /dev/null +++ b/vendor/github.com/bitfield/script/README.md @@ -0,0 +1,407 @@ +[![Go Reference](https://pkg.go.dev/badge/github.com/bitfield/script.svg)](https://pkg.go.dev/github.com/bitfield/script) +[![Go Report Card](https://goreportcard.com/badge/github.com/bitfield/script)](https://goreportcard.com/report/github.com/bitfield/script) +[![Mentioned in Awesome Go](https://awesome.re/mentioned-badge-flat.svg)](https://github.com/avelino/awesome-go) +![CI](https://github.com/bitfield/script/actions/workflows/ci.yml/badge.svg) +![Audit](https://github.com/bitfield/script/actions/workflows/audit.yml/badge.svg) + +```go +import "github.com/bitfield/script" +``` + +[![Magical gopher logo](img/magic.png)](https://bitfieldconsulting.com/golang/scripting) + +# What is `script`? + +`script` is a Go library for doing the kind of tasks that shell scripts are good at: reading files, executing subprocesses, counting lines, matching strings, and so on. + +Why shouldn't it be as easy to write system administration programs in Go as it is in a typical shell? `script` aims to make it just that easy. + +Shell scripts often compose a sequence of operations on a stream of data (a _pipeline_). This is how `script` works, too. + +> *This is one absolutely superb API design. Taking inspiration from shell pipes and turning it into a Go library with syntax this clean is really impressive.*\ +> —[Simon Willison](https://news.ycombinator.com/item?id=30649524) + +Read more: [Scripting with Go](https://bitfieldconsulting.com/golang/scripting) + +# Quick start: Unix equivalents + +If you're already familiar with shell scripting and the Unix toolset, here is a rough guide to the equivalent `script` operation for each listed Unix command. + +| Unix / shell | `script` equivalent | +| ------------------ | ------------------- | +| (any program name) | [`Exec`](https://pkg.go.dev/github.com/bitfield/script#Exec) | +| `[ -f FILE ]` | [`IfExists`](https://pkg.go.dev/github.com/bitfield/script#IfExists) | +| `>` | [`WriteFile`](https://pkg.go.dev/github.com/bitfield/script#Pipe.WriteFile) | +| `>>` | [`AppendFile`](https://pkg.go.dev/github.com/bitfield/script#Pipe.AppendFile) | +| `$*` | [`Args`](https://pkg.go.dev/github.com/bitfield/script#Args) | +| `base64` | [`DecodeBase64`](https://pkg.go.dev/github.com/bitfield/script#Pipe.DecodeBase64) / [`EncodeBase64`](https://pkg.go.dev/github.com/bitfield/script#Pipe.EncodeBase64) | +| `basename` | [`Basename`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Basename) | +| `cat` | [`File`](https://pkg.go.dev/github.com/bitfield/script#File) / [`Concat`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Concat) | +| `curl` | [`Do`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Do) / [`Get`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Get) / [`Post`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Post) | +| `cut` | [`Column`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Column) | +| `dirname` | [`Dirname`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Dirname) | +| `echo` | [`Echo`](https://pkg.go.dev/github.com/bitfield/script#Echo) | +| `find` | [`FindFiles`](https://pkg.go.dev/github.com/bitfield/script#FindFiles) | +| `grep` | [`Match`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Match) / [`MatchRegexp`](https://pkg.go.dev/github.com/bitfield/script#Pipe.MatchRegexp) | +| `grep -v` | [`Reject`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Reject) / [`RejectRegexp`](https://pkg.go.dev/github.com/bitfield/script#Pipe.RejectRegexp) | +| `head` | [`First`](https://pkg.go.dev/github.com/bitfield/script#Pipe.First) | +| `jq` | [`JQ`](https://pkg.go.dev/github.com/bitfield/script#Pipe.JQ) | +| `ls` | [`ListFiles`](https://pkg.go.dev/github.com/bitfield/script#ListFiles) | +| `sed` | [`Replace`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Replace) / [`ReplaceRegexp`](https://pkg.go.dev/github.com/bitfield/script#Pipe.ReplaceRegexp) | +| `sha256sum` | [`Hash`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Hash) / [`HashSums`](https://pkg.go.dev/github.com/bitfield/script#Pipe.HashSums) | +| `tail` | [`Last`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Last) | +| `tee` | [`Tee`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Tee) | +| `uniq -c` | [`Freq`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Freq) | +| `wc -l` | [`CountLines`](https://pkg.go.dev/github.com/bitfield/script#Pipe.CountLines) | +| `xargs` | [`ExecForEach`](https://pkg.go.dev/github.com/bitfield/script#Pipe.ExecForEach) | + +# Some examples + +Let's see some simple examples. Suppose you want to read the contents of a file as a string: + +```go +contents, err := script.File("test.txt").String() +``` + +That looks straightforward enough, but suppose you now want to count the lines in that file. + +```go +numLines, err := script.File("test.txt").CountLines() +``` + +For something a bit more challenging, let's try counting the number of lines in the file that match the string `Error`: + +```go +numErrors, err := script.File("test.txt").Match("Error").CountLines() +``` + +But what if, instead of reading a specific file, we want to simply pipe input into this program, and have it output only matching lines (like `grep`)? + +```go +script.Stdin().Match("Error").Stdout() +``` + +Just for fun, let's filter all the results through some arbitrary Go function: + +```go +script.Stdin().Match("Error").FilterLine(strings.ToUpper).Stdout() +``` + +That was almost too easy! So let's pass in a list of files on the command line, and have our program read them all in sequence and output the matching lines: + +```go +script.Args().Concat().Match("Error").Stdout() +``` + +Maybe we're only interested in the first 10 matches. No problem: + +```go +script.Args().Concat().Match("Error").First(10).Stdout() +``` + +What's that? You want to append that output to a file instead of printing it to the terminal? *You've got some attitude, mister*. But okay: + +```go +script.Args().Concat().Match("Error").First(10).AppendFile("/var/log/errors.txt") +``` + +And if we'd like to send the output to the terminal *as well as* to the file, we can do that: + +```go +script.Echo("data").Tee().AppendFile("data.txt") +``` + +We're not limited to getting data only from files or standard input. We can get it from HTTP requests too: + +```go +script.Get("https://wttr.in/London?format=3").Stdout() +// Output: +// London: 🌦 +13°C +``` + +That's great for simple GET requests, but suppose we want to *send* some data in the body of a POST request, for example. Here's how that works: + +```go +script.Echo(data).Post(URL).Stdout() +``` + +If we need to customise the HTTP behaviour in some way, such as using our own HTTP client, we can do that: + +```go +script.NewPipe().WithHTTPClient(&http.Client{ + Timeout: 10 * time.Second, +}).Get("https://example.com").Stdout() +``` + +Or maybe we need to set some custom header on the request. No problem. We can just create the request in the usual way, and set it up however we want. Then we pass it to `Do`, which will actually perform the request: + +```go +req, err := http.NewRequest(http.MethodGet, "http://example.com", nil) +req.Header.Add("Authorization", "Bearer "+token) +script.Do(req).Stdout() +``` + +The HTTP server could return some non-okay response, though; for example, “404 Not Found”. So what happens then? + +In general, when any pipe stage (such as `Do`) encounters an error, it produces no output to subsequent stages. And `script` treats HTTP response status codes outside the range 200-299 as errors. So the answer for the previous example is that we just won't *see* any output from this program if the server returns an error response. + +Instead, the pipe “remembers” any error that occurs, and we can retrieve it later by calling its `Error` method, or by using a *sink* method such as `String`, which returns an `error` value along with the result. + +`Stdout` also returns an error, plus the number of bytes successfully written (which we don't care about for this particular case). So we can check that error, which is always a good idea in Go: + +```go +_, err := script.Do(req).Stdout() +if err != nil { + log.Fatal(err) +} +``` + +If, as is common, the data we get from an HTTP request is in JSON format, we can use [JQ](https://stedolan.github.io/jq/) queries to interrogate it: + +```go +data, err := script.Do(req).JQ(".[0] | {message: .commit.message, name: .commit.committer.name}").String() +``` + +We can also run external programs and get their output: + +```go +script.Exec("ping 127.0.0.1").Stdout() +``` + +Note that `Exec` runs the command concurrently: it doesn't wait for the command to complete before returning any output. That's good, because this `ping` command will run forever (or until we get bored). + +Instead, when we read from the pipe using `Stdout`, we see each line of output as it's produced: + +``` +PING 127.0.0.1 (127.0.0.1): 56 data bytes +64 bytes from 127.0.0.1: icmp_seq=0 ttl=64 time=0.056 ms +64 bytes from 127.0.0.1: icmp_seq=1 ttl=64 time=0.054 ms +... +``` + +In the `ping` example, we knew the exact arguments we wanted to send the command, and we just needed to run it once. But what if we don't know the arguments yet? We might get them from the user, for example. + +We might like to be able to run the external command repeatedly, each time passing it the next line of data from the pipe as an argument. No worries: + +```go +script.Args().ExecForEach("ping -c 1 {{.}}").Stdout() +``` + +That `{{.}}` is standard Go template syntax; it'll substitute each line of data from the pipe into the command line before it's executed. You can write as fancy a Go template expression as you want here (but this simple example probably covers most use cases). + +If there isn't a built-in operation that does what we want, we can just write our own, using `Filter`: + +```go +script.Echo("hello world").Filter(func (r io.Reader, w io.Writer) error { + n, err := io.Copy(w, r) + fmt.Fprintf(w, "\nfiltered %d bytes\n", n) + return err +}).Stdout() +// Output: +// hello world +// filtered 11 bytes +``` + +The `func` we supply to `Filter` takes just two parameters: a reader to read from, and a writer to write to. The reader reads the previous stages of the pipe, as you might expect, and anything written to the writer goes to the *next* stage of the pipe. + +If our `func` returns some error, then, just as with the `Do` example, the pipe's error status is set, and subsequent stages become a no-op. + +Filters run concurrently, so the pipeline can start producing output before the input has been fully read, as it did in the `ping` example. In fact, most built-in pipe methods, including `Exec`, are implemented *using* `Filter`. + +If we want to scan input line by line, we could do that with a `Filter` function that creates a `bufio.Scanner` on its input, but we don't need to: + +```go +script.Echo("a\nb\nc").FilterScan(func(line string, w io.Writer) { + fmt.Fprintf(w, "scanned line: %q\n", line) +}).Stdout() +// Output: +// scanned line: "a" +// scanned line: "b" +// scanned line: "c" +``` + +And there's more. Much more. [Read the docs](https://pkg.go.dev/github.com/bitfield/script) for full details, and more examples. + +# A realistic use case + +Let's use `script` to write a program that system administrators might actually need. One thing I often find myself doing is counting the most frequent visitors to a website over a given period of time. Given an Apache log in the Common Log Format like this: + +``` +212.205.21.11 - - [30/Jun/2019:17:06:15 +0000] "GET / HTTP/1.1" 200 2028 "https://example.com/ "Mozilla/5.0 (Linux; Android 8.0.0; FIG-LX1 Build/HUAWEIFIG-LX1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.156 Mobile Safari/537.36" +``` + +we would like to extract the visitor's IP address (the first column in the logfile), and count the number of times this IP address occurs in the file. Finally, we might like to list the top 10 visitors by frequency. In a shell script we might do something like: + +```sh +cut -d' ' -f 1 access.log |sort |uniq -c |sort -rn |head +``` + +There's a lot going on there, and it's pleasing to find that the equivalent `script` program is quite brief: + +```go +package main + +import ( + "github.com/bitfield/script" +) + +func main() { + script.Stdin().Column(1).Freq().First(10).Stdout() +} +``` + +Let's try it out with some [sample data](testdata/access.log): + +``` +16 176.182.2.191 + 7 212.205.21.11 + 1 190.253.121.1 + 1 90.53.111.17 +``` + +# A `script` “interpreter” + +One of the nice things about shell scripts is that there's no build process: the script file itself is the “executable” (in fact, it's interpreted by the shell). Simon Willison (and GPT-4) contributed this elegant `script` interpreter, written in `bash`: + +* [`go-script`](https://til.simonwillison.net/bash/go-script) + +With `go-script`, you can run `script` one-liners directly: + +```sh +cat file.txt | ./goscript.sh -c 'script.Stdin().Column(1).Freq().First(10).Stdout()' +``` + +or create `.goscript` files that you can run using a “shebang” line: + +```sh +#!/tmp/goscript.sh +script.Stdin().Column(1).Freq().First(10).Stdout() +``` + +# Documentation + +See [pkg.go.dev](https://pkg.go.dev/github.com/bitfield/script) for the full documentation, or read on for a summary. + +[![The Power of Go: Tools cover image](img/tools.png)](https://bitfieldconsulting.com/books/tools) + +The `script` package originated as an exercise in my book [The Power of Go: Tools](https://bitfieldconsulting.com/books/tools): + +> *Not all software engineering is about writing applications. Developers also need tooling: programs and services to automate everyday tasks like configuring servers and containers, running builds and tests, deploying their applications, and so on. Why shouldn't we be able to use Go for that purpose, too?* +> +> *`script` is designed to make it easy to write Go programs that chain together operations into a pipeline, in the same way that shell scripts do, but with the robust type checking and error handling of a real programming language. You can use `script` to construct the sort of simple one‐off pipelines that would otherwise require the shell, or special‐purpose tools.* +> +> *So, when plain Go doesn’t provide a convenient way to solve a problem, you yourself can use it to implement a domain-specific “language” that does. In this case, we used Go to provide the language of Unix‐style pipelines. But we could have chosen any architecture we wanted to suit the problem. If Go doesn’t already provide the tool you need, use Go to build that tool, then use it.*\ +> —From the book + +## Sources + +These are functions that create a pipe with a given contents: + +| Source | Contents | +| -------- | ------------- | +| [`Args`](https://pkg.go.dev/github.com/bitfield/script#Args) | command-line arguments | +| [`Do`](https://pkg.go.dev/github.com/bitfield/script#Do) | HTTP response | +| [`Echo`](https://pkg.go.dev/github.com/bitfield/script#Echo) | a string | +| [`Exec`](https://pkg.go.dev/github.com/bitfield/script#Exec) | command output | +| [`File`](https://pkg.go.dev/github.com/bitfield/script#File) | file contents | +| [`FindFiles`](https://pkg.go.dev/github.com/bitfield/script#FindFiles) | recursive file listing | +| [`Get`](https://pkg.go.dev/github.com/bitfield/script#Get) | HTTP response | +| [`IfExists`](https://pkg.go.dev/github.com/bitfield/script#IfExists) | do something only if some file exists | +| [`ListFiles`](https://pkg.go.dev/github.com/bitfield/script#ListFiles) | file listing (including wildcards) | +| [`Post`](https://pkg.go.dev/github.com/bitfield/script#Post) | HTTP response | +| [`Slice`](https://pkg.go.dev/github.com/bitfield/script#Slice) | slice elements, one per line | +| [`Stdin`](https://pkg.go.dev/github.com/bitfield/script#Stdin) | standard input | + +## Modifiers + +These are methods on a pipe that change its configuration: + +| Source | Modifies | +| -------- | ------------- | +| [`WithEnv`](https://pkg.go.dev/github.com/bitfield/script#Pipe.WithEnv) | environment for commands | +| [`WithError`](https://pkg.go.dev/github.com/bitfield/script#Pipe.WithError) | pipe error status | +| [`WithHTTPClient`](https://pkg.go.dev/github.com/bitfield/script#Pipe.WithHTTPClient) | client for HTTP requests | +| [`WithReader`](https://pkg.go.dev/github.com/bitfield/script#Pipe.WithReader) | pipe source | +| [`WithStderr`](https://pkg.go.dev/github.com/bitfield/script#Pipe.WithStderr) | standard error output stream for command | +| [`WithStdout`](https://pkg.go.dev/github.com/bitfield/script#Pipe.WithStdout) | standard output stream for pipe | + +## Filters + +Filters are methods on an existing pipe that also return a pipe, allowing you to chain filters indefinitely. The filters modify each line of their input according to the following rules: + +| Filter | Results | +| -------- | ------------- | +| [`Basename`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Basename) | removes leading path components from each line, leaving only the filename | +| [`Column`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Column) | Nth column of input | +| [`Concat`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Concat) | contents of multiple files | +| [`DecodeBase64`](https://pkg.go.dev/github.com/bitfield/script#Pipe.DecodeBase64) | input decoded from base64 | +| [`Dirname`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Dirname) | removes filename from each line, leaving only leading path components | +| [`Do`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Do) | response to supplied HTTP request | +| [`Echo`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Echo) | all input replaced by given string | +| [`EncodeBase64`](https://pkg.go.dev/github.com/bitfield/script#Pipe.EncodeBase64) | input encoded to base64 | +| [`Exec`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Exec) | filtered through external command | +| [`ExecForEach`](https://pkg.go.dev/github.com/bitfield/script#Pipe.ExecForEach) | execute given command template for each line of input | +| [`Filter`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Filter) | user-supplied function filtering a reader to a writer | +| [`FilterLine`](https://pkg.go.dev/github.com/bitfield/script#Pipe.FilterLine) | user-supplied function filtering each line to a string| +| [`FilterScan`](https://pkg.go.dev/github.com/bitfield/script#Pipe.FilterScan) | user-supplied function filtering each line to a writer | +| [`First`](https://pkg.go.dev/github.com/bitfield/script#Pipe.First) | first N lines of input | +| [`Freq`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Freq) | frequency count of unique input lines, most frequent first | +| [`Get`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Get) | response to HTTP GET on supplied URL | +| [`HashSums`](https://pkg.go.dev/github.com/bitfield/script#Pipe.HashSums) | hashes of each listed file | +| [`Join`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Join) | replace all newlines with spaces | +| [`JQ`](https://pkg.go.dev/github.com/bitfield/script#Pipe.JQ) | result of `jq` query | +| [`Last`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Last) | last N lines of input| +| [`Match`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Match) | lines matching given string | +| [`MatchRegexp`](https://pkg.go.dev/github.com/bitfield/script#Pipe.MatchRegexp) | lines matching given regexp | +| [`Post`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Post) | response to HTTP POST on supplied URL | +| [`Reject`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Reject) | lines not matching given string | +| [`RejectRegexp`](https://pkg.go.dev/github.com/bitfield/script#Pipe.RejectRegexp) | lines not matching given regexp | +| [`Replace`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Replace) | matching text replaced with given string | +| [`ReplaceRegexp`](https://pkg.go.dev/github.com/bitfield/script#Pipe.ReplaceRegexp) | matching text replaced with given string | +| [`Tee`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Tee) | input copied to supplied writers | + +Note that filters run concurrently, rather than producing nothing until each stage has fully read its input. This is convenient for executing long-running commands, for example. If you do need to wait for the pipeline to complete, call [`Wait`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Wait). + +## Sinks + +Sinks are methods that return some data from a pipe, ending the pipeline and extracting its full contents in a specified way: + +| Sink | Destination | Results | +| ---- | ----------- | ------- | +| [`AppendFile`](https://pkg.go.dev/github.com/bitfield/script#Pipe.AppendFile) | appended to file, creating if it doesn't exist | bytes written, error | +| [`Bytes`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Bytes) | | data as `[]byte`, error +| [`Hash`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Hash) | | hash, error | +| [`CountLines`](https://pkg.go.dev/github.com/bitfield/script#Pipe.CountLines) | |number of lines, error | +| [`Read`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Read) | given `[]byte` | bytes read, error | +| [`Slice`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Slice) | | data as `[]string`, error | +| [`Stdout`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Stdout) | standard output | bytes written, error | +| [`String`](https://pkg.go.dev/github.com/bitfield/script#Pipe.String) | | data as `string`, error | +| [`Wait`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Wait) | | error | +| [`WriteFile`](https://pkg.go.dev/github.com/bitfield/script#Pipe.WriteFile) | specified file, truncating if it exists | bytes written, error | + +# What's new + +| Version | New | +| ----------- | ------- | +| 0.24.1 | [`JQ`](https://pkg.go.dev/github.com/bitfield/script#Pipe.JQ) accepts JSONLines data | +| 0.24.0 | [`Hash`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Hash) | +| | [`HashSums`](https://pkg.go.dev/github.com/bitfield/script#Pipe.HashSums) | +| 0.23.0 | [`WithEnv`](https://pkg.go.dev/github.com/bitfield/script#Pipe.WithEnv) | +| | [`DecodeBase64`](https://pkg.go.dev/github.com/bitfield/script#Pipe.DecodeBase64) / [`EncodeBase64`](https://pkg.go.dev/github.com/bitfield/script#Pipe.EncodeBase64) | +| | [`Wait`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Wait) returns error | +| v0.22.0 | [`Tee`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Tee), [`WithStderr`](https://pkg.go.dev/github.com/bitfield/script#Pipe.WithStderr) | +| v0.21.0 | HTTP support: [`Do`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Do), [`Get`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Get), [`Post`](https://pkg.go.dev/github.com/bitfield/script#Pipe.Post) | +| v0.20.0 | [`JQ`](https://pkg.go.dev/github.com/bitfield/script#Pipe.JQ) | + +# Contributing + +See the [contributor's guide](CONTRIBUTING.md) for some helpful tips if you'd like to contribute to the `script` project. + +# Links + +- [Scripting with Go](https://bitfieldconsulting.com/posts/scripting) +- [Code Club: Script](https://www.youtube.com/watch?v=6S5EqzVwpEg) +- [Bitfield Consulting](https://bitfieldconsulting.com/) +- [Go books by John Arundel](https://bitfieldconsulting.com/books) + +Gopher image by [MariaLetta](https://github.com/MariaLetta/free-gophers-pack) diff --git a/vendor/github.com/bitfield/script/doc.go b/vendor/github.com/bitfield/script/doc.go new file mode 100644 index 000000000..74e01bdf7 --- /dev/null +++ b/vendor/github.com/bitfield/script/doc.go @@ -0,0 +1,4 @@ +// Package script aims to make it easy to write shell-type scripts in Go, for +// general system administration purposes: reading files, counting lines, +// matching strings, and so on. +package script diff --git a/vendor/github.com/bitfield/script/script.go b/vendor/github.com/bitfield/script/script.go new file mode 100644 index 000000000..d7d1bc34b --- /dev/null +++ b/vendor/github.com/bitfield/script/script.go @@ -0,0 +1,1083 @@ +package script + +import ( + "bufio" + "container/ring" + "crypto/sha256" + "encoding/base64" + "encoding/hex" + "encoding/json" + "fmt" + "hash" + "io" + "io/fs" + "math" + "net/http" + "os" + "os/exec" + "path/filepath" + "regexp" + "sort" + "strconv" + "strings" + "sync" + "text/template" + + "github.com/itchyny/gojq" + "mvdan.cc/sh/v3/shell" +) + +// Pipe represents a pipe object with an associated [ReadAutoCloser]. +type Pipe struct { + // Reader is the underlying reader. + Reader ReadAutoCloser + stdout io.Writer + httpClient *http.Client + + mu *sync.Mutex + err error + stderr io.Writer + env []string +} + +// Args creates a pipe containing the program's command-line arguments from +// [os.Args], excluding the program name, one per line. +func Args() *Pipe { + return Slice(os.Args[1:]) +} + +// Do creates a pipe that makes the HTTP request req and produces the response. +// See [Pipe.Do] for how the HTTP response status is interpreted. +func Do(req *http.Request) *Pipe { + return NewPipe().Do(req) +} + +// Echo creates a pipe containing the string s. +func Echo(s string) *Pipe { + return NewPipe().WithReader(strings.NewReader(s)) +} + +// Exec creates a pipe that runs cmdLine as an external command and produces +// its combined output (interleaving standard output and standard error). See +// [Pipe.Exec] for error handling details. +// +// Use [Pipe.Exec] to send the contents of an existing pipe to the command's +// standard input. +func Exec(cmdLine string) *Pipe { + return NewPipe().Exec(cmdLine) +} + +// File creates a pipe that reads from the file path. +func File(path string) *Pipe { + f, err := os.Open(path) + if err != nil { + return NewPipe().WithError(err) + } + return NewPipe().WithReader(f) +} + +// FindFiles creates a pipe listing all the files in the directory dir and its +// subdirectories recursively, one per line, like Unix find(1). +// Errors are ignored unless no files are found (in which case the pipe's error +// status will be set to the last error encountered). +// +// Each line of the output consists of a slash-separated path, starting with +// the initial directory. For example, if the directory looks like this: +// +// test/ +// 1.txt +// 2.txt +// +// the pipe's output will be: +// +// test/1.txt +// test/2.txt +func FindFiles(dir string) *Pipe { + var paths []string + var innerErr error + fs.WalkDir(os.DirFS(dir), ".", func(path string, d fs.DirEntry, err error) error { + if err != nil { + innerErr = err + return fs.SkipDir + } + if !d.IsDir() { + paths = append(paths, filepath.Join(dir, path)) + } + return nil + }) + if innerErr != nil && len(paths) == 0 { + return NewPipe().WithError(innerErr) + } + return Slice(paths) +} + +// Get creates a pipe that makes an HTTP GET request to url, and produces the +// response. See [Pipe.Do] for how the HTTP response status is interpreted. +func Get(url string) *Pipe { + return NewPipe().Get(url) +} + +// IfExists tests whether path exists, and creates a pipe whose error status +// reflects the result. If the file doesn't exist, the pipe's error status will +// be set, and if the file does exist, the pipe will have no error status. This +// can be used to do some operation only if a given file exists: +// +// IfExists("/foo/bar").Exec("/usr/bin/something") +func IfExists(path string) *Pipe { + _, err := os.Stat(path) + if err != nil { + return NewPipe().WithError(err) + } + return NewPipe() +} + +// ListFiles creates a pipe containing the files or directories specified by +// path, one per line. path can be a glob expression, as for [filepath.Match]. +// For example: +// +// ListFiles("/data/*").Stdout() +// +// ListFiles does not recurse into subdirectories; use [FindFiles] instead. +func ListFiles(path string) *Pipe { + if strings.ContainsAny(path, "[]^*?\\{}!") { + fileNames, err := filepath.Glob(path) + if err != nil { + return NewPipe().WithError(err) + } + return Slice(fileNames) + } + entries, err := os.ReadDir(path) + if err != nil { + // Check for the case where the path matches exactly one file + s, err := os.Stat(path) + if err != nil { + return NewPipe().WithError(err) + } + if !s.IsDir() { + return Echo(path) + } + return NewPipe().WithError(err) + } + matches := make([]string, len(entries)) + for i, e := range entries { + matches[i] = filepath.Join(path, e.Name()) + } + return Slice(matches) +} + +// NewPipe creates a new pipe with an empty reader (use [Pipe.WithReader] to +// attach another reader to it). +func NewPipe() *Pipe { + return &Pipe{ + Reader: ReadAutoCloser{}, + mu: new(sync.Mutex), + stdout: os.Stdout, + httpClient: http.DefaultClient, + env: nil, + } +} + +// Post creates a pipe that makes an HTTP POST request to url, with an empty +// body, and produces the response. See [Pipe.Do] for how the HTTP response +// status is interpreted. +func Post(url string) *Pipe { + return NewPipe().Post(url) +} + +// Slice creates a pipe containing each element of s, one per line. If s is +// empty or nil, then the pipe is empty. +func Slice(s []string) *Pipe { + if len(s) == 0 { + return NewPipe() + } + return Echo(strings.Join(s, "\n") + "\n") +} + +// Stdin creates a pipe that reads from [os.Stdin]. +func Stdin() *Pipe { + return NewPipe().WithReader(os.Stdin) +} + +// AppendFile appends the contents of the pipe to the file path, creating it if +// necessary, and returns the number of bytes successfully written, or an +// error. +func (p *Pipe) AppendFile(path string) (int64, error) { + return p.writeOrAppendFile(path, os.O_APPEND|os.O_CREATE|os.O_WRONLY) +} + +// Basename reads paths from the pipe, one per line, and removes any leading +// directory components from each. So, for example, /usr/local/bin/foo would +// become just foo. This is the complementary operation to [Pipe.Dirname]. +// +// If any line is empty, Basename will transform it to a single dot. Trailing +// slashes are removed. The behaviour of Basename is the same as +// [filepath.Base] (not by coincidence). +func (p *Pipe) Basename() *Pipe { + return p.FilterLine(filepath.Base) +} + +// Bytes returns the contents of the pipe as a []byte, or an error. +func (p *Pipe) Bytes() ([]byte, error) { + if p.Error() != nil { + return nil, p.Error() + } + data, err := io.ReadAll(p) + if err != nil { + p.SetError(err) + } + return data, p.Error() +} + +// Close closes the pipe's associated reader. This is a no-op if the reader is +// not an [io.Closer]. +func (p *Pipe) Close() error { + return p.Reader.Close() +} + +// Column produces column col of each line of input, where the first column is +// column 1, and columns are delimited by Unicode whitespace. Lines containing +// fewer than col columns will be skipped. +func (p *Pipe) Column(col int) *Pipe { + return p.FilterScan(func(line string, w io.Writer) { + columns := strings.Fields(line) + if col > 0 && col <= len(columns) { + fmt.Fprintln(w, columns[col-1]) + } + }) +} + +// Concat reads paths from the pipe, one per line, and produces the contents of +// all the corresponding files in sequence. If there are any errors (for +// example, non-existent files), these will be ignored, execution will +// continue, and the pipe's error status will not be set. +// +// This makes it convenient to write programs that take a list of paths on the +// command line. For example: +// +// script.Args().Concat().Stdout() +// +// The list of paths could also come from a file: +// +// script.File("filelist.txt").Concat() +// +// Or from the output of a command: +// +// script.Exec("ls /var/app/config/").Concat().Stdout() +// +// Each input file will be closed once it has been fully read. If any of the +// files can't be opened or read, Concat will simply skip these and carry on, +// without setting the pipe's error status. This mimics the behaviour of Unix +// cat(1). +func (p *Pipe) Concat() *Pipe { + var readers []io.Reader + p.FilterScan(func(line string, w io.Writer) { + input, err := os.Open(line) + if err == nil { + readers = append(readers, NewReadAutoCloser(input)) + } + }).Wait() + return p.WithReader(io.MultiReader(readers...)) +} + +// CountLines returns the number of lines of input, or an error. +func (p *Pipe) CountLines() (lines int, err error) { + p.FilterScan(func(line string, w io.Writer) { + lines++ + }).Wait() + return lines, p.Error() +} + +// DecodeBase64 produces the string represented by the base64 encoded input. +func (p *Pipe) DecodeBase64() *Pipe { + return p.Filter(func(r io.Reader, w io.Writer) error { + decoder := base64.NewDecoder(base64.StdEncoding, r) + _, err := io.Copy(w, decoder) + if err != nil { + return err + } + return nil + }) +} + +// Dirname reads paths from the pipe, one per line, and produces only the +// parent directories of each path. For example, /usr/local/bin/foo would +// become just /usr/local/bin. This is the complementary operation to +// [Pipe.Basename]. +// +// If a line is empty, Dirname will transform it to a single dot. Trailing +// slashes are removed, unless Dirname returns the root folder. Otherwise, the +// behaviour of Dirname is the same as [filepath.Dir] (not by coincidence). +func (p *Pipe) Dirname() *Pipe { + return p.FilterLine(func(line string) string { + // filepath.Dir() does not handle trailing slashes correctly + if len(line) > 1 && strings.HasSuffix(line, "/") { + line = line[:len(line)-1] + } + dirname := filepath.Dir(line) + // filepath.Dir() does not preserve a leading './' + if strings.HasPrefix(line, "./") { + return "./" + dirname + } + return dirname + }) +} + +// Do performs the HTTP request req using the pipe's configured HTTP client, as +// set by [Pipe.WithHTTPClient], or [http.DefaultClient] otherwise. The +// response body is streamed concurrently to the pipe's output. If the response +// status is anything other than HTTP 200-299, the pipe's error status is set. +func (p *Pipe) Do(req *http.Request) *Pipe { + return p.Filter(func(r io.Reader, w io.Writer) error { + resp, err := p.httpClient.Do(req) + if err != nil { + return err + } + defer resp.Body.Close() + _, err = io.Copy(w, resp.Body) + if err != nil { + return err + } + // Any HTTP 2xx status code is considered okay + if resp.StatusCode/100 != 2 { + return fmt.Errorf("unexpected HTTP response status: %s", resp.Status) + } + return nil + }) +} + +// EachLine calls the function process on each line of input, passing it the +// line as a string, and a [*strings.Builder] to write its output to. +// +// Deprecated: use [Pipe.FilterLine] or [Pipe.FilterScan] instead, which run +// concurrently and don't do unnecessary reads on the input. +func (p *Pipe) EachLine(process func(string, *strings.Builder)) *Pipe { + return p.Filter(func(r io.Reader, w io.Writer) error { + scanner := newScanner(r) + output := new(strings.Builder) + for scanner.Scan() { + process(scanner.Text(), output) + } + fmt.Fprint(w, output.String()) + return scanner.Err() + }) +} + +// Echo sets the pipe's reader to one that produces the string s, detaching any +// existing reader without draining or closing it. +func (p *Pipe) Echo(s string) *Pipe { + if p.Error() != nil { + return p + } + return p.WithReader(strings.NewReader(s)) +} + +// EncodeBase64 produces the base64 encoding of the input. +func (p *Pipe) EncodeBase64() *Pipe { + return p.Filter(func(r io.Reader, w io.Writer) error { + encoder := base64.NewEncoder(base64.StdEncoding, w) + defer encoder.Close() + _, err := io.Copy(encoder, r) + if err != nil { + return err + } + return nil + }) +} + +func (p *Pipe) environment() []string { + p.mu.Lock() + defer p.mu.Unlock() + return p.env +} + +// Error returns any error present on the pipe, or nil otherwise. +// Error is not a sink and does not wait until the pipe reaches +// completion. To wait for completion before returning the error, +// see [Pipe.Wait]. +func (p *Pipe) Error() error { + if p.mu == nil { // uninitialised pipe + return nil + } + p.mu.Lock() + defer p.mu.Unlock() + return p.err +} + +// Exec runs cmdLine as an external command, sending it the contents of the +// pipe as input, and produces the command's standard output (see below for +// error output). The effect of this is to filter the contents of the pipe +// through the external command. +// +// # Environment +// +// The command inherits the current process's environment, optionally modified +// by [Pipe.WithEnv]. +// +// # Error handling +// +// If the command had a non-zero exit status, the pipe's error status will also +// be set to the string “exit status X”, where X is the integer exit status. +// Even in the event of a non-zero exit status, the command's output will still +// be available in the pipe. This is often helpful for debugging. However, +// because [Pipe.String] is a no-op if the pipe's error status is set, if you +// want output you will need to reset the error status before calling +// [Pipe.String]. +// +// If the command writes to its standard error stream, this will also go to the +// pipe, along with its standard output. However, the standard error text can +// instead be redirected to a supplied writer, using [Pipe.WithStderr]. +func (p *Pipe) Exec(cmdLine string) *Pipe { + return p.Filter(func(r io.Reader, w io.Writer) error { + args, err := shell.Fields(cmdLine, nil) + if err != nil { + return err + } + cmd := exec.Command(args[0], args[1:]...) + cmd.Stdin = r + cmd.Stdout = w + cmd.Stderr = w + pipeStderr := p.stdErr() + if pipeStderr != nil { + cmd.Stderr = pipeStderr + } + pipeEnv := p.environment() + if pipeEnv != nil { + cmd.Env = pipeEnv + } + err = cmd.Start() + if err != nil { + fmt.Fprintln(cmd.Stderr, err) + return err + } + return cmd.Wait() + }) +} + +// ExecForEach renders cmdLine as a Go template for each line of input, running +// the resulting command, and produces the combined output of all these +// commands in sequence. See [Pipe.Exec] for details on error handling and +// environment variables. +// +// This is mostly useful for substituting data into commands using Go template +// syntax. For example: +// +// ListFiles("*").ExecForEach("touch {{.}}").Wait() +func (p *Pipe) ExecForEach(cmdLine string) *Pipe { + tpl, err := template.New("").Parse(cmdLine) + if err != nil { + return p.WithError(err) + } + return p.Filter(func(r io.Reader, w io.Writer) error { + scanner := newScanner(r) + for scanner.Scan() { + cmdLine := new(strings.Builder) + err := tpl.Execute(cmdLine, scanner.Text()) + if err != nil { + return err + } + args, err := shell.Fields(cmdLine.String(), nil) + if err != nil { + return err + } + cmd := exec.Command(args[0], args[1:]...) + cmd.Stdout = w + cmd.Stderr = w + pipeStderr := p.stdErr() + if pipeStderr != nil { + cmd.Stderr = pipeStderr + } + if p.env != nil { + cmd.Env = p.env + } + err = cmd.Start() + if err != nil { + fmt.Fprintln(cmd.Stderr, err) + continue + } + err = cmd.Wait() + if err != nil { + fmt.Fprintln(cmd.Stderr, err) + continue + } + } + return scanner.Err() + }) +} + +var exitStatusPattern = regexp.MustCompile(`exit status (\d+)$`) + +// ExitStatus returns the integer exit status of a previous command (for +// example run by [Pipe.Exec]). This will be zero unless the pipe's error +// status is set and the error matches the pattern “exit status %d”. +func (p *Pipe) ExitStatus() int { + if p.Error() == nil { + return 0 + } + match := exitStatusPattern.FindStringSubmatch(p.Error().Error()) + if len(match) < 2 { + return 0 + } + status, err := strconv.Atoi(match[1]) + if err != nil { + // This seems unlikely, but... + return 0 + } + return status +} + +// Filter sends the contents of the pipe to the function filter and produces +// the result. filter takes an [io.Reader] to read its input from and an +// [io.Writer] to write its output to, and returns an error, which will be set +// on the pipe. +// +// filter runs concurrently, so its goroutine will not exit until the pipe has +// been fully read. Use [Pipe.Wait] to wait for all concurrent filters to +// complete. +func (p *Pipe) Filter(filter func(io.Reader, io.Writer) error) *Pipe { + if p.Error() != nil { + return p + } + pr, pw := io.Pipe() + origReader := p.Reader + p = p.WithReader(pr) + go func() { + defer pw.Close() + err := filter(origReader, pw) + if err != nil { + p.SetError(err) + } + }() + return p +} + +// FilterLine sends the contents of the pipe to the function filter, a line at +// a time, and produces the result. filter takes each line as a string and +// returns a string as its output. See [Pipe.Filter] for concurrency handling. +func (p *Pipe) FilterLine(filter func(string) string) *Pipe { + return p.FilterScan(func(line string, w io.Writer) { + fmt.Fprintln(w, filter(line)) + }) +} + +// FilterScan sends the contents of the pipe to the function filter, a line at +// a time, and produces the result. filter takes each line as a string and an +// [io.Writer] to write its output to. See [Pipe.Filter] for concurrency +// handling. +func (p *Pipe) FilterScan(filter func(string, io.Writer)) *Pipe { + return p.Filter(func(r io.Reader, w io.Writer) error { + scanner := newScanner(r) + for scanner.Scan() { + filter(scanner.Text(), w) + } + return scanner.Err() + }) +} + +// First produces only the first n lines of the pipe's contents, or all the +// lines if there are less than n. If n is zero or negative, there is no output +// at all. When n lines have been produced, First stops reading its input and +// sends EOF to its output. +func (p *Pipe) First(n int) *Pipe { + if p.Error() != nil { + return p + } + if n <= 0 { + return NewPipe() + } + return p.Filter(func(r io.Reader, w io.Writer) error { + scanner := newScanner(r) + for i := 0; i < n && scanner.Scan(); i++ { + _, err := fmt.Fprintln(w, scanner.Text()) + if err != nil { + return err + } + } + return scanner.Err() + }) +} + +// Freq produces only the unique lines from the pipe's contents, each prefixed +// with a frequency count, in descending numerical order (most frequent lines +// first). Lines with equal frequency will be sorted alphabetically. +// +// For example, we could take a common shell pipeline like this: +// +// sort input.txt |uniq -c |sort -rn +// +// and replace it with: +// +// File("input.txt").Freq().Stdout() +// +// Or to get only the ten most common lines: +// +// File("input.txt").Freq().First(10).Stdout() +// +// Like Unix uniq(1), Freq right-justifies its count values in a column for +// readability, padding with spaces if necessary. +func (p *Pipe) Freq() *Pipe { + freq := map[string]int{} + type frequency struct { + line string + count int + } + return p.Filter(func(r io.Reader, w io.Writer) error { + scanner := newScanner(r) + for scanner.Scan() { + freq[scanner.Text()]++ + } + freqs := make([]frequency, 0, len(freq)) + max := 0 + for line, count := range freq { + freqs = append(freqs, frequency{line, count}) + if count > max { + max = count + } + } + sort.Slice(freqs, func(i, j int) bool { + x, y := freqs[i].count, freqs[j].count + if x == y { + return freqs[i].line < freqs[j].line + } + return x > y + }) + fieldWidth := len(strconv.Itoa(max)) + for _, item := range freqs { + fmt.Fprintf(w, "%*d %s\n", fieldWidth, item.count, item.line) + } + return nil + }) +} + +// Get makes an HTTP GET request to url, sending the contents of the pipe as +// the request body, and produces the server's response. See [Pipe.Do] for how +// the HTTP response status is interpreted. +func (p *Pipe) Get(url string) *Pipe { + req, err := http.NewRequest(http.MethodGet, url, p.Reader) + if err != nil { + return p.WithError(err) + } + return p.Do(req) +} + +// Hash returns the hex-encoded hash of the entire contents of the +// pipe based on the provided hasher, or an error. +// To perform hashing on files, see [Pipe.HashSums]. +func (p *Pipe) Hash(hasher hash.Hash) (string, error) { + if p.Error() != nil { + return "", p.Error() + } + _, err := io.Copy(hasher, p) + if err != nil { + p.SetError(err) + return "", err + } + return hex.EncodeToString(hasher.Sum(nil)), nil +} + +// HashSums reads paths from the pipe, one per line, and produces the +// hex-encoded hash of each corresponding file based on the provided hasher, +// one per line. Any files that cannot be opened or read will be ignored. +// To perform hashing on the contents of the pipe, see [Pipe.Hash]. +func (p *Pipe) HashSums(hasher hash.Hash) *Pipe { + return p.FilterScan(func(line string, w io.Writer) { + f, err := os.Open(line) + if err != nil { + return // skip unopenable files + } + defer f.Close() + _, err = io.Copy(hasher, f) + if err != nil { + return // skip unreadable files + } + fmt.Fprintln(w, hex.EncodeToString(hasher.Sum(nil))) + }) +} + +// Join joins all the lines in the pipe's contents into a single +// space-separated string, which will always end with a newline. +func (p *Pipe) Join() *Pipe { + return p.Filter(func(r io.Reader, w io.Writer) error { + scanner := newScanner(r) + first := true + for scanner.Scan() { + if !first { + fmt.Fprint(w, " ") + } + line := scanner.Text() + fmt.Fprint(w, line) + first = false + } + fmt.Fprintln(w) + return scanner.Err() + }) +} + +// JQ executes query on the pipe's contents (presumed to be valid JSON or +// [JSONLines] data), applying the query to each newline-delimited input value +// and producing results until the first error is encountered. An invalid query +// or value will set the appropriate error on the pipe. +// +// The exact dialect of JQ supported is that provided by +// [github.com/itchyny/gojq], whose documentation explains the differences +// between it and standard JQ. +// +// [JSONLines]: https://jsonlines.org/ +func (p *Pipe) JQ(query string) *Pipe { + parsedQuery, err := gojq.Parse(query) + if err != nil { + return p.WithError(err) + } + code, err := gojq.Compile(parsedQuery) + if err != nil { + return p.WithError(err) + } + return p.Filter(func(r io.Reader, w io.Writer) error { + dec := json.NewDecoder(r) + for dec.More() { + var input any + err := dec.Decode(&input) + if err != nil { + return err + } + iter := code.Run(input) + for { + v, ok := iter.Next() + if !ok { + break + } + if err, ok := v.(error); ok { + return err + } + result, err := gojq.Marshal(v) + if err != nil { + return err + } + fmt.Fprintln(w, string(result)) + } + } + return nil + }) +} + +// Last produces only the last n lines of the pipe's contents, or all the lines +// if there are less than n. If n is zero or negative, there is no output at +// all. +func (p *Pipe) Last(n int) *Pipe { + if p.Error() != nil { + return p + } + if n <= 0 { + return NewPipe() + } + return p.Filter(func(r io.Reader, w io.Writer) error { + scanner := newScanner(r) + input := ring.New(n) + for scanner.Scan() { + input.Value = scanner.Text() + input = input.Next() + } + input.Do(func(p interface{}) { + if p != nil { + fmt.Fprintln(w, p) + } + }) + return scanner.Err() + }) +} + +// Match produces only the input lines that contain the string s. +func (p *Pipe) Match(s string) *Pipe { + return p.FilterScan(func(line string, w io.Writer) { + if strings.Contains(line, s) { + fmt.Fprintln(w, line) + } + }) +} + +// MatchRegexp produces only the input lines that match the compiled regexp re. +func (p *Pipe) MatchRegexp(re *regexp.Regexp) *Pipe { + return p.FilterScan(func(line string, w io.Writer) { + if re.MatchString(line) { + fmt.Fprintln(w, line) + } + }) +} + +// Post makes an HTTP POST request to url, using the contents of the pipe as +// the request body, and produces the server's response. See [Pipe.Do] for how +// the HTTP response status is interpreted. +func (p *Pipe) Post(url string) *Pipe { + req, err := http.NewRequest(http.MethodPost, url, p.Reader) + if err != nil { + return p.WithError(err) + } + return p.Do(req) +} + +// Reject produces only lines that do not contain the string s. +func (p *Pipe) Reject(s string) *Pipe { + return p.FilterScan(func(line string, w io.Writer) { + if !strings.Contains(line, s) { + fmt.Fprintln(w, line) + } + }) +} + +// RejectRegexp produces only lines that don't match the compiled regexp re. +func (p *Pipe) RejectRegexp(re *regexp.Regexp) *Pipe { + return p.FilterScan(func(line string, w io.Writer) { + if !re.MatchString(line) { + fmt.Fprintln(w, line) + } + }) +} + +// Replace replaces all occurrences of the string search with the string +// replace. +func (p *Pipe) Replace(search, replace string) *Pipe { + return p.FilterLine(func(line string) string { + return strings.ReplaceAll(line, search, replace) + }) +} + +// ReplaceRegexp replaces all matches of the compiled regexp re with the string +// replace. $x variables in the replace string are interpreted as by +// [regexp#Regexp.Expand]; for example, $1 represents the text of the first submatch. +func (p *Pipe) ReplaceRegexp(re *regexp.Regexp, replace string) *Pipe { + return p.FilterLine(func(line string) string { + return re.ReplaceAllString(line, replace) + }) +} + +// Read reads up to len(b) bytes from the pipe into b. It returns the number of +// bytes read and any error encountered. At end of file, or on a nil pipe, Read +// returns 0, [io.EOF]. +func (p *Pipe) Read(b []byte) (int, error) { + if p.Error() != nil { + return 0, p.Error() + } + return p.Reader.Read(b) +} + +// SetError sets the error err on the pipe. +func (p *Pipe) SetError(err error) { + if p.mu == nil { // uninitialised pipe + return + } + p.mu.Lock() + defer p.mu.Unlock() + p.err = err +} + +// SHA256Sum returns the hex-encoded SHA-256 hash of the entire contents of the +// pipe, or an error. +// Deprecated: SHA256Sum has been deprecated by [Pipe.Hash]. To get the SHA-256 +// hash for the contents of the pipe, call `Hash(sha256.new())` +func (p *Pipe) SHA256Sum() (string, error) { + return p.Hash(sha256.New()) +} + +// SHA256Sums reads paths from the pipe, one per line, and produces the +// hex-encoded SHA-256 hash of each corresponding file, one per line. Any files +// that cannot be opened or read will be ignored. +// Deprecated: SHA256Sums has been deprecated by [Pipe.HashSums]. To get the SHA-256 +// hash for each file path in the pipe, call `HashSums(sha256.new())` +func (p *Pipe) SHA256Sums() *Pipe { + return p.HashSums(sha256.New()) +} + +// Slice returns the pipe's contents as a slice of strings, one element per +// line, or an error. +// +// An empty pipe will produce an empty slice. A pipe containing a single empty +// line (that is, a single \n character) will produce a slice containing the +// empty string as its single element. +func (p *Pipe) Slice() ([]string, error) { + result := []string{} + p.FilterScan(func(line string, w io.Writer) { + result = append(result, line) + }).Wait() + return result, p.Error() +} + +// stdErr returns the pipe's configured standard error writer for commands run +// via [Pipe.Exec] and [Pipe.ExecForEach]. The default is nil, which means that +// error output will go to the pipe. +func (p *Pipe) stdErr() io.Writer { + if p.mu == nil { // uninitialised pipe + return nil + } + p.mu.Lock() + defer p.mu.Unlock() + return p.stderr +} + +// Stdout copies the pipe's contents to its configured standard output (using +// [Pipe.WithStdout]), or to [os.Stdout] otherwise, and returns the number of +// bytes successfully written, together with any error. +func (p *Pipe) Stdout() (int, error) { + if p.Error() != nil { + return 0, p.Error() + } + n64, err := io.Copy(p.stdout, p) + if err != nil { + return 0, err + } + n := int(n64) + if int64(n) != n64 { + return 0, fmt.Errorf("length %d overflows int", n64) + } + return n, p.Error() +} + +// String returns the pipe's contents as a string, together with any error. +func (p *Pipe) String() (string, error) { + data, err := p.Bytes() + if err != nil { + p.SetError(err) + } + return string(data), p.Error() +} + +// Tee copies the pipe's contents to each of the supplied writers, like Unix +// tee(1). If no writers are supplied, the default is the pipe's standard +// output. +func (p *Pipe) Tee(writers ...io.Writer) *Pipe { + teeWriter := p.stdout + if len(writers) > 0 { + teeWriter = io.MultiWriter(writers...) + } + return p.WithReader(io.TeeReader(p.Reader, teeWriter)) +} + +// Wait reads the pipe to completion and returns any error present on +// the pipe, or nil otherwise. This is mostly useful for waiting until +// concurrent filters have completed (see [Pipe.Filter]). +func (p *Pipe) Wait() error { + _, err := io.Copy(io.Discard, p) + if err != nil { + p.SetError(err) + } + return p.Error() +} + +// WithEnv sets the environment for subsequent [Pipe.Exec] and [Pipe.ExecForEach] +// commands to the string slice env, using the same format as [os/exec.Cmd.Env]. +// An empty slice unsets all existing environment variables. +func (p *Pipe) WithEnv(env []string) *Pipe { + p.mu.Lock() + defer p.mu.Unlock() + p.env = env + return p +} + +// WithError sets the error err on the pipe. +func (p *Pipe) WithError(err error) *Pipe { + p.SetError(err) + return p +} + +// WithHTTPClient sets the HTTP client c for use with subsequent requests via +// [Pipe.Do], [Pipe.Get], or [Pipe.Post]. For example, to make a request using +// a client with a timeout: +// +// NewPipe().WithHTTPClient(&http.Client{ +// Timeout: 10 * time.Second, +// }).Get("https://example.com").Stdout() +func (p *Pipe) WithHTTPClient(c *http.Client) *Pipe { + p.httpClient = c + return p +} + +// WithReader sets the pipe's input reader to r. Once r has been completely +// read, it will be closed if necessary. +func (p *Pipe) WithReader(r io.Reader) *Pipe { + p.Reader = NewReadAutoCloser(r) + return p +} + +// WithStderr sets the standard error output for [Pipe.Exec] or +// [Pipe.ExecForEach] commands to w, instead of the pipe. +func (p *Pipe) WithStderr(w io.Writer) *Pipe { + p.mu.Lock() + defer p.mu.Unlock() + p.stderr = w + return p +} + +// WithStdout sets the pipe's standard output to the writer w, instead of the +// default [os.Stdout]. +func (p *Pipe) WithStdout(w io.Writer) *Pipe { + p.stdout = w + return p +} + +// WriteFile writes the pipe's contents to the file path, truncating it if it +// exists, and returns the number of bytes successfully written, or an error. +func (p *Pipe) WriteFile(path string) (int64, error) { + return p.writeOrAppendFile(path, os.O_RDWR|os.O_CREATE|os.O_TRUNC) +} + +func (p *Pipe) writeOrAppendFile(path string, mode int) (int64, error) { + if p.Error() != nil { + return 0, p.Error() + } + out, err := os.OpenFile(path, mode, 0o666) + if err != nil { + p.SetError(err) + return 0, err + } + defer out.Close() + wrote, err := io.Copy(out, p) + if err != nil { + p.SetError(err) + } + return wrote, p.Error() +} + +// ReadAutoCloser wraps an [io.ReadCloser] so that it will be automatically +// closed once it has been fully read. +type ReadAutoCloser struct { + r io.ReadCloser +} + +// NewReadAutoCloser returns a [ReadAutoCloser] wrapping the reader r. +func NewReadAutoCloser(r io.Reader) ReadAutoCloser { + if _, ok := r.(io.Closer); !ok { + return ReadAutoCloser{io.NopCloser(r)} + } + rc, ok := r.(io.ReadCloser) + if !ok { + // This can never happen, but just in case it does... + panic("internal error: type assertion to io.ReadCloser failed") + } + return ReadAutoCloser{rc} +} + +// Close closes ra's reader, returning any resulting error. +func (ra ReadAutoCloser) Close() error { + if ra.r == nil { + return nil + } + return ra.r.Close() +} + +// Read reads up to len(b) bytes from ra's reader into b. It returns the number +// of bytes read and any error encountered. At end of file, Read returns 0, +// [io.EOF]. If end-of-file is reached, the reader will be closed. +func (ra ReadAutoCloser) Read(b []byte) (n int, err error) { + if ra.r == nil { + return 0, io.EOF + } + n, err = ra.r.Read(b) + if err == io.EOF { + ra.Close() + } + return n, err +} + +func newScanner(r io.Reader) *bufio.Scanner { + scanner := bufio.NewScanner(r) + scanner.Buffer(make([]byte, 4096), math.MaxInt) + return scanner +} diff --git a/vendor/github.com/bytedance/gopkg/LICENSE b/vendor/github.com/bytedance/gopkg/LICENSE new file mode 100644 index 000000000..261eeb9e9 --- /dev/null +++ b/vendor/github.com/bytedance/gopkg/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. For the purposes of this definition, + "control" means (i) the power, direct or indirect, to cause the + direction or management of such entity, whether by contract or + otherwise, or (ii) ownership of fifty percent (50%) or more of the + outstanding shares, or (iii) beneficial ownership of such entity. + + "You" (or "Your") shall mean an individual or Legal Entity + exercising permissions granted by this License. + + "Source" form shall mean the preferred form for making modifications, + including but not limited to software source code, documentation + source, and configuration files. + + "Object" form shall mean any form resulting from mechanical + transformation or translation of a Source form, including but + not limited to compiled object code, generated documentation, + and conversions to other media types. + + "Work" shall mean the work of authorship, whether in Source or + Object form, made available under the License, as indicated by a + copyright notice that is included in or attached to the work + (an example is provided in the Appendix below). + + "Derivative Works" shall mean any work, whether in Source or Object + form, that is based on (or derived from) the Work and for which the + editorial revisions, annotations, elaborations, or other modifications + represent, as a whole, an original work of authorship. For the purposes + of this License, Derivative Works shall not include works that remain + separable from, or merely link (or bind by name) to the interfaces of, + the Work and Derivative Works thereof. + + "Contribution" shall mean any work of authorship, including + the original version of the Work and any modifications or additions + to that Work or Derivative Works thereof, that is intentionally + submitted to Licensor for inclusion in the Work by the copyright owner + or by an individual or Legal Entity authorized to submit on behalf of + the copyright owner. For the purposes of this definition, "submitted" + means any form of electronic, verbal, or written communication sent + to the Licensor or its representatives, including but not limited to + communication on electronic mailing lists, source code control systems, + and issue tracking systems that are managed by, or on behalf of, the + Licensor for the purpose of discussing and improving the Work, but + excluding communication that is conspicuously marked or otherwise + designated in writing by the copyright owner as "Not a Contribution." + + "Contributor" shall mean Licensor and any individual or Legal Entity + on behalf of whom a Contribution has been received by Licensor and + subsequently incorporated within the Work. + + 2. Grant of Copyright License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + copyright license to reproduce, prepare Derivative Works of, + publicly display, publicly perform, sublicense, and distribute the + Work and such Derivative Works in Source or Object form. + + 3. Grant of Patent License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + (except as stated in this section) patent license to make, have made, + use, offer to sell, sell, import, and otherwise transfer the Work, + where such license applies only to those patent claims licensable + by such Contributor that are necessarily infringed by their + Contribution(s) alone or by combination of their Contribution(s) + with the Work to which such Contribution(s) was submitted. If You + institute patent litigation against any entity (including a + cross-claim or counterclaim in a lawsuit) alleging that the Work + or a Contribution incorporated within the Work constitutes direct + or contributory patent infringement, then any patent licenses + granted to You under this License for that Work shall terminate + as of the date such litigation is filed. + + 4. Redistribution. You may reproduce and distribute copies of the + Work or Derivative Works thereof in any medium, with or without + modifications, and in Source or Object form, provided that You + meet the following conditions: + + (a) You must give any other recipients of the Work or + Derivative Works a copy of this License; and + + (b) You must cause any modified files to carry prominent notices + stating that You changed the files; and + + (c) You must retain, in the Source form of any Derivative Works + that You distribute, all copyright, patent, trademark, and + attribution notices from the Source form of the Work, + excluding those notices that do not pertain to any part of + the Derivative Works; and + + (d) If the Work includes a "NOTICE" text file as part of its + distribution, then any Derivative Works that You distribute must + include a readable copy of the attribution notices contained + within such NOTICE file, excluding those notices that do not + pertain to any part of the Derivative Works, in at least one + of the following places: within a NOTICE text file distributed + as part of the Derivative Works; within the Source form or + documentation, if provided along with the Derivative Works; or, + within a display generated by the Derivative Works, if and + wherever such third-party notices normally appear. The contents + of the NOTICE file are for informational purposes only and + do not modify the License. You may add Your own attribution + notices within Derivative Works that You distribute, alongside + or as an addendum to the NOTICE text from the Work, provided + that such additional attribution notices cannot be construed + as modifying the License. + + You may add Your own copyright statement to Your modifications and + may provide additional or different license terms and conditions + for use, reproduction, or distribution of Your modifications, or + for any such Derivative Works as a whole, provided Your use, + reproduction, and distribution of the Work otherwise complies with + the conditions stated in this License. + + 5. Submission of Contributions. Unless You explicitly state otherwise, + any Contribution intentionally submitted for inclusion in the Work + by You to the Licensor shall be under the terms and conditions of + this License, without any additional terms or conditions. + Notwithstanding the above, nothing herein shall supersede or modify + the terms of any separate license agreement you may have executed + with Licensor regarding such Contributions. + + 6. Trademarks. This License does not grant permission to use the trade + names, trademarks, service marks, or product names of the Licensor, + except as required for reasonable and customary use in describing the + origin of the Work and reproducing the content of the NOTICE file. + + 7. Disclaimer of Warranty. Unless required by applicable law or + agreed to in writing, Licensor provides the Work (and each + Contributor provides its Contributions) on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + implied, including, without limitation, any warranties or conditions + of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A + PARTICULAR PURPOSE. You are solely responsible for determining the + appropriateness of using or redistributing the Work and assume any + risks associated with Your exercise of permissions under this License. + + 8. Limitation of Liability. In no event and under no legal theory, + whether in tort (including negligence), contract, or otherwise, + unless required by applicable law (such as deliberate and grossly + negligent acts) or agreed to in writing, shall any Contributor be + liable to You for damages, including any direct, indirect, special, + incidental, or consequential damages of any character arising as a + result of this License or out of the use or inability to use the + Work (including but not limited to damages for loss of goodwill, + work stoppage, computer failure or malfunction, or any and all + other commercial damages or losses), even if such Contributor + has been advised of the possibility of such damages. + + 9. Accepting Warranty or Additional Liability. While redistributing + the Work or Derivative Works thereof, You may choose to offer, + and charge a fee for, acceptance of support, warranty, indemnity, + or other liability obligations and/or rights consistent with this + License. However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + + END OF TERMS AND CONDITIONS + + APPENDIX: How to apply the Apache License to your work. + + To apply the Apache License to your work, attach the following + boilerplate notice, with the fields enclosed by brackets "[]" + replaced with your own identifying information. (Don't include + the brackets!) The text should be enclosed in the appropriate + comment syntax for the file format. We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/vendor/github.com/bytedance/gopkg/lang/dirtmake/bytes.go b/vendor/github.com/bytedance/gopkg/lang/dirtmake/bytes.go new file mode 100644 index 000000000..1daa27904 --- /dev/null +++ b/vendor/github.com/bytedance/gopkg/lang/dirtmake/bytes.go @@ -0,0 +1,43 @@ +// Copyright 2024 ByteDance Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package dirtmake + +import ( + "unsafe" +) + +type slice struct { + data unsafe.Pointer + len int + cap int +} + +//go:linkname mallocgc runtime.mallocgc +func mallocgc(size uintptr, typ unsafe.Pointer, needzero bool) unsafe.Pointer + +// Bytes allocates a byte slice but does not clean up the memory it references. +// Throw a fatal error instead of panic if cap is greater than runtime.maxAlloc. +// NOTE: MUST set any byte element before it's read. +func Bytes(len, cap int) (b []byte) { + if len < 0 || len > cap { + panic("dirtmake.Bytes: len out of range") + } + p := mallocgc(uintptr(cap), nil, false) + sh := (*slice)(unsafe.Pointer(&b)) + sh.data = p + sh.len = len + sh.cap = cap + return +} diff --git a/vendor/github.com/bytedance/sonic/.codespellrc b/vendor/github.com/bytedance/sonic/.codespellrc new file mode 100644 index 000000000..1ccef98d5 --- /dev/null +++ b/vendor/github.com/bytedance/sonic/.codespellrc @@ -0,0 +1,5 @@ +[codespell] +# ignore test files, go project names, binary files via `skip` and special var/regex via `ignore-words` +skip = fuzz,*_test.tmpl,testdata,*_test.go,go.mod,go.sum,*.gz +ignore-words = .github/workflows/.ignore_words +check-filenames = true diff --git a/vendor/github.com/bytedance/sonic/.gitignore b/vendor/github.com/bytedance/sonic/.gitignore new file mode 100644 index 000000000..fa6da7e63 --- /dev/null +++ b/vendor/github.com/bytedance/sonic/.gitignore @@ -0,0 +1,55 @@ +*.o +*.swp +*.swm +*.swn +*.a +*.so +_obj +_test +*.[568vq] +[568vq].out +*.cgo1.go +*.cgo2.c +_cgo_defun.c +_cgo_gotypes.go +_cgo_export.* +_testmain.go +*.exe +*.exe~ +*.test +*.prof +*.rar +*.zip +*.gz +*.psd +*.bmd +*.cfg +*.pptx +*.log +*nohup.out +*settings.pyc +*.sublime-project +*.sublime-workspace +.DS_Store +/.idea/ +/.vscode/ +/output/ +/vendor/ +/Gopkg.lock +/Gopkg.toml +coverage.html +coverage.out +coverage.xml +junit.xml +*.profile +*.svg +*.out +ast/test.out +ast/bench.sh + +!testdata/**/*.json.gz +fuzz/testdata +*__debug_bin* +*pprof +*coverage.txt +tools/venv/* \ No newline at end of file diff --git a/vendor/github.com/bytedance/sonic/.gitmodules b/vendor/github.com/bytedance/sonic/.gitmodules new file mode 100644 index 000000000..5a2d998ab --- /dev/null +++ b/vendor/github.com/bytedance/sonic/.gitmodules @@ -0,0 +1,9 @@ +[submodule "cloudwego"] + path = tools/asm2asm + url = https://github.com/cloudwego/asm2asm.git +[submodule "tools/simde"] + path = tools/simde + url = https://github.com/simd-everywhere/simde.git +[submodule "fuzz/go-fuzz-corpus"] + path = fuzz/go-fuzz-corpus + url = https://github.com/dvyukov/go-fuzz-corpus.git diff --git a/vendor/github.com/bytedance/sonic/.licenserc.yaml b/vendor/github.com/bytedance/sonic/.licenserc.yaml new file mode 100644 index 000000000..1cb993e39 --- /dev/null +++ b/vendor/github.com/bytedance/sonic/.licenserc.yaml @@ -0,0 +1,24 @@ +header: + license: + spdx-id: Apache-2.0 + copyright-owner: ByteDance Inc. + + paths: + - '**/*.go' + - '**/*.s' + + paths-ignore: + - 'ast/asm.s' # empty file + - 'decoder/asm.s' # empty file + - 'encoder/asm.s' # empty file + - 'internal/caching/asm.s' # empty file + - 'internal/jit/asm.s' # empty file + - 'internal/native/avx/native_amd64.s' # auto-generated by asm2asm + - 'internal/native/avx/native_subr_amd64.go' # auto-generated by asm2asm + - 'internal/native/avx2/native_amd64.s' # auto-generated by asm2asm + - 'internal/native/avx2/native_subr_amd64.go' # auto-generated by asm2asm + - 'internal/resolver/asm.s' # empty file + - 'internal/rt/asm.s' # empty file + - 'internal/loader/asm.s' # empty file + + comment: on-failure \ No newline at end of file diff --git a/vendor/github.com/bytedance/sonic/CODE_OF_CONDUCT.md b/vendor/github.com/bytedance/sonic/CODE_OF_CONDUCT.md new file mode 100644 index 000000000..8505feb1c --- /dev/null +++ b/vendor/github.com/bytedance/sonic/CODE_OF_CONDUCT.md @@ -0,0 +1,128 @@ +# Contributor Covenant Code of Conduct + +## Our Pledge + +We as members, contributors, and leaders pledge to make participation in our +community a harassment-free experience for everyone, regardless of age, body +size, visible or invisible disability, ethnicity, sex characteristics, gender +identity and expression, level of experience, education, socio-economic status, +nationality, personal appearance, race, religion, or sexual identity +and orientation. + +We pledge to act and interact in ways that contribute to an open, welcoming, +diverse, inclusive, and healthy community. + +## Our Standards + +Examples of behavior that contributes to a positive environment for our +community include: + +* Demonstrating empathy and kindness toward other people +* Being respectful of differing opinions, viewpoints, and experiences +* Giving and gracefully accepting constructive feedback +* Accepting responsibility and apologizing to those affected by our mistakes, + and learning from the experience +* Focusing on what is best not just for us as individuals, but for the + overall community + +Examples of unacceptable behavior include: + +* The use of sexualized language or imagery, and sexual attention or + advances of any kind +* Trolling, insulting or derogatory comments, and personal or political attacks +* Public or private harassment +* Publishing others' private information, such as a physical or email + address, without their explicit permission +* Other conduct which could reasonably be considered inappropriate in a + professional setting + +## Enforcement Responsibilities + +Community leaders are responsible for clarifying and enforcing our standards of +acceptable behavior and will take appropriate and fair corrective action in +response to any behavior that they deem inappropriate, threatening, offensive, +or harmful. + +Community leaders have the right and responsibility to remove, edit, or reject +comments, commits, code, wiki edits, issues, and other contributions that are +not aligned to this Code of Conduct, and will communicate reasons for moderation +decisions when appropriate. + +## Scope + +This Code of Conduct applies within all community spaces, and also applies when +an individual is officially representing the community in public spaces. +Examples of representing our community include using an official e-mail address, +posting via an official social media account, or acting as an appointed +representative at an online or offline event. + +## Enforcement + +Instances of abusive, harassing, or otherwise unacceptable behavior may be +reported to the community leaders responsible for enforcement at +wudi.daniel@bytedance.com. +All complaints will be reviewed and investigated promptly and fairly. + +All community leaders are obligated to respect the privacy and security of the +reporter of any incident. + +## Enforcement Guidelines + +Community leaders will follow these Community Impact Guidelines in determining +the consequences for any action they deem in violation of this Code of Conduct: + +### 1. Correction + +**Community Impact**: Use of inappropriate language or other behavior deemed +unprofessional or unwelcome in the community. + +**Consequence**: A private, written warning from community leaders, providing +clarity around the nature of the violation and an explanation of why the +behavior was inappropriate. A public apology may be requested. + +### 2. Warning + +**Community Impact**: A violation through a single incident or series +of actions. + +**Consequence**: A warning with consequences for continued behavior. No +interaction with the people involved, including unsolicited interaction with +those enforcing the Code of Conduct, for a specified period of time. This +includes avoiding interactions in community spaces as well as external channels +like social media. Violating these terms may lead to a temporary or +permanent ban. + +### 3. Temporary Ban + +**Community Impact**: A serious violation of community standards, including +sustained inappropriate behavior. + +**Consequence**: A temporary ban from any sort of interaction or public +communication with the community for a specified period of time. No public or +private interaction with the people involved, including unsolicited interaction +with those enforcing the Code of Conduct, is allowed during this period. +Violating these terms may lead to a permanent ban. + +### 4. Permanent Ban + +**Community Impact**: Demonstrating a pattern of violation of community +standards, including sustained inappropriate behavior, harassment of an +individual, or aggression toward or disparagement of classes of individuals. + +**Consequence**: A permanent ban from any sort of public interaction within +the community. + +## Attribution + +This Code of Conduct is adapted from the [Contributor Covenant][homepage], +version 2.0, available at +https://www.contributor-covenant.org/version/2/0/code_of_conduct.html. + +Community Impact Guidelines were inspired by [Mozilla's code of conduct +enforcement ladder](https://github.com/mozilla/diversity). + +[homepage]: https://www.contributor-covenant.org + +For answers to common questions about this code of conduct, see the FAQ at +https://www.contributor-covenant.org/faq. Translations are available at +https://www.contributor-covenant.org/translations. diff --git a/vendor/github.com/bytedance/sonic/CONTRIBUTING.md b/vendor/github.com/bytedance/sonic/CONTRIBUTING.md new file mode 100644 index 000000000..7f63c661a --- /dev/null +++ b/vendor/github.com/bytedance/sonic/CONTRIBUTING.md @@ -0,0 +1,63 @@ +# How to Contribute + +## Your First Pull Request +We use GitHub for our codebase. You can start by reading [How To Pull Request](https://docs.github.com/en/github/collaborating-with-issues-and-pull-requests/about-pull-requests). + +## Without Semantic Versioning +We keep the stable code in branch `main` like `golang.org/x`. Development base on branch `develop`. We promise the **Forward Compatibility** by adding new package directory with suffix `v2/v3` when code has break changes. + +## Branch Organization +We use [git-flow](https://nvie.com/posts/a-successful-git-branching-model/) as our branch organization, as known as [FDD](https://en.wikipedia.org/wiki/Feature-driven_development) + + +## Bugs +### 1. How to Find Known Issues +We are using [Github Issues](https://github.com/bytedance/sonic/issues) for our public bugs. We keep a close eye on this and try to make it clear when we have an internal fix in progress. Before filing a new task, try to make sure your problem doesn’t already exist. + +### 2. Reporting New Issues +Providing a reduced test code is a recommended way for reporting issues. Then can be placed in: +- Just in issues +- [Golang Playground](https://play.golang.org/) + +### 3. Security Bugs +Please do not report the safe disclosure of bugs to public issues. Contact us by [Support Email](mailto:sonic@bytedance.com) + +## How to Get in Touch +- [Email](mailto:wudi.daniel@bytedance.com) + +## Submit a Pull Request +Before you submit your Pull Request (PR) consider the following guidelines: +1. Search [GitHub](https://github.com/bytedance/sonic/pulls) for an open or closed PR that relates to your submission. You don't want to duplicate existing efforts. +2. Be sure that an issue describes the problem you're fixing, or documents the design for the feature you'd like to add. Discussing the design upfront helps to ensure that we're ready to accept your work. +3. [Fork](https://docs.github.com/en/github/getting-started-with-github/fork-a-repo) the bytedance/sonic repo. +4. In your forked repository, make your changes in a new git branch: + ``` + git checkout -b bugfix/security_bug develop + ``` +5. Create your patch, including appropriate test cases. +6. Follow our [Style Guides](#code-style-guides). +7. Commit your changes using a descriptive commit message that follows [AngularJS Git Commit Message Conventions](https://docs.google.com/document/d/1QrDFcIiPjSLDn3EL15IJygNPiHORgU1_OOAqWjiDU5Y/edit). + Adherence to these conventions is necessary because release notes will be automatically generated from these messages. +8. Push your branch to GitHub: + ``` + git push origin bugfix/security_bug + ``` +9. In GitHub, send a pull request to `sonic:main` + +Note: you must use one of `optimize/feature/bugfix/doc/ci/test/refactor` following a slash(`/`) as the branch prefix. + +Your pr title and commit message should follow https://www.conventionalcommits.org/. + +## Contribution Prerequisites +- Our development environment keeps up with [Go Official](https://golang.org/project/). +- You need fully checking with lint tools before submit your pull request. [gofmt](https://golang.org/pkg/cmd/gofmt/) & [golangci-lint](https://github.com/golangci/golangci-lint) +- You are familiar with [Github](https://github.com) +- Maybe you need familiar with [Actions](https://github.com/features/actions)(our default workflow tool). + +## Code Style Guides +See [Go Code Review Comments](https://github.com/golang/go/wiki/CodeReviewComments). + +Good resources: +- [Effective Go](https://golang.org/doc/effective_go) +- [Pingcap General advice](https://pingcap.github.io/style-guide/general.html) +- [Uber Go Style Guide](https://github.com/uber-go/guide/blob/master/style.md) diff --git a/vendor/github.com/cespare/xxhash/v2/go.sum b/vendor/github.com/bytedance/sonic/CREDITS similarity index 100% rename from vendor/github.com/cespare/xxhash/v2/go.sum rename to vendor/github.com/bytedance/sonic/CREDITS diff --git a/vendor/github.com/bytedance/sonic/LICENSE b/vendor/github.com/bytedance/sonic/LICENSE new file mode 100644 index 000000000..261eeb9e9 --- /dev/null +++ b/vendor/github.com/bytedance/sonic/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. For the purposes of this definition, + "control" means (i) the power, direct or indirect, to cause the + direction or management of such entity, whether by contract or + otherwise, or (ii) ownership of fifty percent (50%) or more of the + outstanding shares, or (iii) beneficial ownership of such entity. + + "You" (or "Your") shall mean an individual or Legal Entity + exercising permissions granted by this License. + + "Source" form shall mean the preferred form for making modifications, + including but not limited to software source code, documentation + source, and configuration files. + + "Object" form shall mean any form resulting from mechanical + transformation or translation of a Source form, including but + not limited to compiled object code, generated documentation, + and conversions to other media types. + + "Work" shall mean the work of authorship, whether in Source or + Object form, made available under the License, as indicated by a + copyright notice that is included in or attached to the work + (an example is provided in the Appendix below). + + "Derivative Works" shall mean any work, whether in Source or Object + form, that is based on (or derived from) the Work and for which the + editorial revisions, annotations, elaborations, or other modifications + represent, as a whole, an original work of authorship. For the purposes + of this License, Derivative Works shall not include works that remain + separable from, or merely link (or bind by name) to the interfaces of, + the Work and Derivative Works thereof. + + "Contribution" shall mean any work of authorship, including + the original version of the Work and any modifications or additions + to that Work or Derivative Works thereof, that is intentionally + submitted to Licensor for inclusion in the Work by the copyright owner + or by an individual or Legal Entity authorized to submit on behalf of + the copyright owner. For the purposes of this definition, "submitted" + means any form of electronic, verbal, or written communication sent + to the Licensor or its representatives, including but not limited to + communication on electronic mailing lists, source code control systems, + and issue tracking systems that are managed by, or on behalf of, the + Licensor for the purpose of discussing and improving the Work, but + excluding communication that is conspicuously marked or otherwise + designated in writing by the copyright owner as "Not a Contribution." + + "Contributor" shall mean Licensor and any individual or Legal Entity + on behalf of whom a Contribution has been received by Licensor and + subsequently incorporated within the Work. + + 2. Grant of Copyright License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + copyright license to reproduce, prepare Derivative Works of, + publicly display, publicly perform, sublicense, and distribute the + Work and such Derivative Works in Source or Object form. + + 3. Grant of Patent License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + (except as stated in this section) patent license to make, have made, + use, offer to sell, sell, import, and otherwise transfer the Work, + where such license applies only to those patent claims licensable + by such Contributor that are necessarily infringed by their + Contribution(s) alone or by combination of their Contribution(s) + with the Work to which such Contribution(s) was submitted. If You + institute patent litigation against any entity (including a + cross-claim or counterclaim in a lawsuit) alleging that the Work + or a Contribution incorporated within the Work constitutes direct + or contributory patent infringement, then any patent licenses + granted to You under this License for that Work shall terminate + as of the date such litigation is filed. + + 4. Redistribution. You may reproduce and distribute copies of the + Work or Derivative Works thereof in any medium, with or without + modifications, and in Source or Object form, provided that You + meet the following conditions: + + (a) You must give any other recipients of the Work or + Derivative Works a copy of this License; and + + (b) You must cause any modified files to carry prominent notices + stating that You changed the files; and + + (c) You must retain, in the Source form of any Derivative Works + that You distribute, all copyright, patent, trademark, and + attribution notices from the Source form of the Work, + excluding those notices that do not pertain to any part of + the Derivative Works; and + + (d) If the Work includes a "NOTICE" text file as part of its + distribution, then any Derivative Works that You distribute must + include a readable copy of the attribution notices contained + within such NOTICE file, excluding those notices that do not + pertain to any part of the Derivative Works, in at least one + of the following places: within a NOTICE text file distributed + as part of the Derivative Works; within the Source form or + documentation, if provided along with the Derivative Works; or, + within a display generated by the Derivative Works, if and + wherever such third-party notices normally appear. The contents + of the NOTICE file are for informational purposes only and + do not modify the License. You may add Your own attribution + notices within Derivative Works that You distribute, alongside + or as an addendum to the NOTICE text from the Work, provided + that such additional attribution notices cannot be construed + as modifying the License. + + You may add Your own copyright statement to Your modifications and + may provide additional or different license terms and conditions + for use, reproduction, or distribution of Your modifications, or + for any such Derivative Works as a whole, provided Your use, + reproduction, and distribution of the Work otherwise complies with + the conditions stated in this License. + + 5. Submission of Contributions. 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@@ -0,0 +1,501 @@ +# Sonic + +English | [中文](README_ZH_CN.md) + +A blazingly fast JSON serializing & deserializing library, accelerated by JIT (just-in-time compiling) and SIMD (single-instruction-multiple-data). + +## Requirement + +- Go: 1.18~1.25 + - Notice: Go1.24.0 is not supported due to the [issue](https://github.com/golang/go/issues/71672), please use higher go version or add build tag `--ldflags="-checklinkname=0"` +- OS: Linux / MacOS / Windows +- CPU: AMD64 / (ARM64, need go1.20 above) + +## Features + +- Runtime object binding without code generation +- Complete APIs for JSON value manipulation +- Fast, fast, fast! + +## APIs + +see [go.dev](https://pkg.go.dev/github.com/bytedance/sonic) + +## Benchmarks + +For **all sizes** of json and **all scenarios** of usage, **Sonic performs best**. + +- [Medium](https://github.com/bytedance/sonic/blob/main/decoder/testdata_test.go#L19) (13KB, 300+ key, 6 layers) + +```powershell +goversion: 1.17.1 +goos: darwin +goarch: amd64 +cpu: Intel(R) Core(TM) i9-9880H CPU @ 2.30GHz +BenchmarkEncoder_Generic_Sonic-16 32393 ns/op 402.40 MB/s 11965 B/op 4 allocs/op +BenchmarkEncoder_Generic_Sonic_Fast-16 21668 ns/op 601.57 MB/s 10940 B/op 4 allocs/op +BenchmarkEncoder_Generic_JsonIter-16 42168 ns/op 309.12 MB/s 14345 B/op 115 allocs/op +BenchmarkEncoder_Generic_GoJson-16 65189 ns/op 199.96 MB/s 23261 B/op 16 allocs/op +BenchmarkEncoder_Generic_StdLib-16 106322 ns/op 122.60 MB/s 49136 B/op 789 allocs/op +BenchmarkEncoder_Binding_Sonic-16 6269 ns/op 2079.26 MB/s 14173 B/op 4 allocs/op +BenchmarkEncoder_Binding_Sonic_Fast-16 5281 ns/op 2468.16 MB/s 12322 B/op 4 allocs/op +BenchmarkEncoder_Binding_JsonIter-16 20056 ns/op 649.93 MB/s 9488 B/op 2 allocs/op +BenchmarkEncoder_Binding_GoJson-16 8311 ns/op 1568.32 MB/s 9481 B/op 1 allocs/op +BenchmarkEncoder_Binding_StdLib-16 16448 ns/op 792.52 MB/s 9479 B/op 1 allocs/op +BenchmarkEncoder_Parallel_Generic_Sonic-16 6681 ns/op 1950.93 MB/s 12738 B/op 4 allocs/op +BenchmarkEncoder_Parallel_Generic_Sonic_Fast-16 4179 ns/op 3118.99 MB/s 10757 B/op 4 allocs/op +BenchmarkEncoder_Parallel_Generic_JsonIter-16 9861 ns/op 1321.84 MB/s 14362 B/op 115 allocs/op +BenchmarkEncoder_Parallel_Generic_GoJson-16 18850 ns/op 691.52 MB/s 23278 B/op 16 allocs/op +BenchmarkEncoder_Parallel_Generic_StdLib-16 45902 ns/op 283.97 MB/s 49174 B/op 789 allocs/op +BenchmarkEncoder_Parallel_Binding_Sonic-16 1480 ns/op 8810.09 MB/s 13049 B/op 4 allocs/op +BenchmarkEncoder_Parallel_Binding_Sonic_Fast-16 1209 ns/op 10785.23 MB/s 11546 B/op 4 allocs/op +BenchmarkEncoder_Parallel_Binding_JsonIter-16 6170 ns/op 2112.58 MB/s 9504 B/op 2 allocs/op +BenchmarkEncoder_Parallel_Binding_GoJson-16 3321 ns/op 3925.52 MB/s 9496 B/op 1 allocs/op +BenchmarkEncoder_Parallel_Binding_StdLib-16 3739 ns/op 3486.49 MB/s 9480 B/op 1 allocs/op + +BenchmarkDecoder_Generic_Sonic-16 66812 ns/op 195.10 MB/s 57602 B/op 723 allocs/op +BenchmarkDecoder_Generic_Sonic_Fast-16 54523 ns/op 239.07 MB/s 49786 B/op 313 allocs/op +BenchmarkDecoder_Generic_StdLib-16 124260 ns/op 104.90 MB/s 50869 B/op 772 allocs/op +BenchmarkDecoder_Generic_JsonIter-16 91274 ns/op 142.81 MB/s 55782 B/op 1068 allocs/op +BenchmarkDecoder_Generic_GoJson-16 88569 ns/op 147.17 MB/s 66367 B/op 973 allocs/op +BenchmarkDecoder_Binding_Sonic-16 32557 ns/op 400.38 MB/s 28302 B/op 137 allocs/op +BenchmarkDecoder_Binding_Sonic_Fast-16 28649 ns/op 455.00 MB/s 24999 B/op 34 allocs/op +BenchmarkDecoder_Binding_StdLib-16 111437 ns/op 116.97 MB/s 10576 B/op 208 allocs/op +BenchmarkDecoder_Binding_JsonIter-16 35090 ns/op 371.48 MB/s 14673 B/op 385 allocs/op +BenchmarkDecoder_Binding_GoJson-16 28738 ns/op 453.59 MB/s 22039 B/op 49 allocs/op +BenchmarkDecoder_Parallel_Generic_Sonic-16 12321 ns/op 1057.91 MB/s 57233 B/op 723 allocs/op +BenchmarkDecoder_Parallel_Generic_Sonic_Fast-16 10644 ns/op 1224.64 MB/s 49362 B/op 313 allocs/op +BenchmarkDecoder_Parallel_Generic_StdLib-16 57587 ns/op 226.35 MB/s 50874 B/op 772 allocs/op +BenchmarkDecoder_Parallel_Generic_JsonIter-16 38666 ns/op 337.12 MB/s 55789 B/op 1068 allocs/op +BenchmarkDecoder_Parallel_Generic_GoJson-16 30259 ns/op 430.79 MB/s 66370 B/op 974 allocs/op +BenchmarkDecoder_Parallel_Binding_Sonic-16 5965 ns/op 2185.28 MB/s 27747 B/op 137 allocs/op +BenchmarkDecoder_Parallel_Binding_Sonic_Fast-16 5170 ns/op 2521.31 MB/s 24715 B/op 34 allocs/op +BenchmarkDecoder_Parallel_Binding_StdLib-16 27582 ns/op 472.58 MB/s 10576 B/op 208 allocs/op +BenchmarkDecoder_Parallel_Binding_JsonIter-16 13571 ns/op 960.51 MB/s 14685 B/op 385 allocs/op +BenchmarkDecoder_Parallel_Binding_GoJson-16 10031 ns/op 1299.51 MB/s 22111 B/op 49 allocs/op + +BenchmarkGetOne_Sonic-16 3276 ns/op 3975.78 MB/s 24 B/op 1 allocs/op +BenchmarkGetOne_Gjson-16 9431 ns/op 1380.81 MB/s 0 B/op 0 allocs/op +BenchmarkGetOne_Jsoniter-16 51178 ns/op 254.46 MB/s 27936 B/op 647 allocs/op +BenchmarkGetOne_Parallel_Sonic-16 216.7 ns/op 60098.95 MB/s 24 B/op 1 allocs/op +BenchmarkGetOne_Parallel_Gjson-16 1076 ns/op 12098.62 MB/s 0 B/op 0 allocs/op +BenchmarkGetOne_Parallel_Jsoniter-16 17741 ns/op 734.06 MB/s 27945 B/op 647 allocs/op +BenchmarkSetOne_Sonic-16 9571 ns/op 1360.61 MB/s 1584 B/op 17 allocs/op +BenchmarkSetOne_Sjson-16 36456 ns/op 357.22 MB/s 52180 B/op 9 allocs/op +BenchmarkSetOne_Jsoniter-16 79475 ns/op 163.86 MB/s 45862 B/op 964 allocs/op +BenchmarkSetOne_Parallel_Sonic-16 850.9 ns/op 15305.31 MB/s 1584 B/op 17 allocs/op +BenchmarkSetOne_Parallel_Sjson-16 18194 ns/op 715.77 MB/s 52247 B/op 9 allocs/op +BenchmarkSetOne_Parallel_Jsoniter-16 33560 ns/op 388.05 MB/s 45892 B/op 964 allocs/op +BenchmarkLoadNode/LoadAll()-16 11384 ns/op 1143.93 MB/s 6307 B/op 25 allocs/op +BenchmarkLoadNode_Parallel/LoadAll()-16 5493 ns/op 2370.68 MB/s 7145 B/op 25 allocs/op +BenchmarkLoadNode/Interface()-16 17722 ns/op 734.85 MB/s 13323 B/op 88 allocs/op +BenchmarkLoadNode_Parallel/Interface()-16 10330 ns/op 1260.70 MB/s 15178 B/op 88 allocs/op +``` + +- [Small](https://github.com/bytedance/sonic/blob/main/testdata/small.go) (400B, 11 keys, 3 layers) +![small benchmarks](./docs/imgs/bench-small.png) +- [Large](https://github.com/bytedance/sonic/blob/main/testdata/twitter.json) (635KB, 10000+ key, 6 layers) +![large benchmarks](./docs/imgs/bench-large.png) + +See [bench.sh](https://github.com/bytedance/sonic/blob/main/scripts/bench.sh) for benchmark codes. + +## How it works + +See [INTRODUCTION.md](./docs/INTRODUCTION.md). + +## Usage + +### Marshal/Unmarshal + +Default behaviors are mostly consistent with `encoding/json`, except HTML escaping form (see [Escape HTML](https://github.com/bytedance/sonic/blob/main/README.md#escape-html)) and `SortKeys` feature (optional support see [Sort Keys](https://github.com/bytedance/sonic/blob/main/README.md#sort-keys)) that is **NOT** in conformity to [RFC8259](https://datatracker.ietf.org/doc/html/rfc8259). + + ```go +import "github.com/bytedance/sonic" + +var data YourSchema +// Marshal +output, err := sonic.Marshal(&data) +// Unmarshal +err := sonic.Unmarshal(output, &data) + ``` + +### Streaming IO + +Sonic supports decoding json from `io.Reader` or encoding objects into `io.Writer`, aims at handling multiple values as well as reducing memory consumption. + +- encoder + +```go +var o1 = map[string]interface{}{ + "a": "b", +} +var o2 = 1 +var w = bytes.NewBuffer(nil) +var enc = sonic.ConfigDefault.NewEncoder(w) +enc.Encode(o1) +enc.Encode(o2) +fmt.Println(w.String()) +// Output: +// {"a":"b"} +// 1 +``` + +- decoder + +```go +var o = map[string]interface{}{} +var r = strings.NewReader(`{"a":"b"}{"1":"2"}`) +var dec = sonic.ConfigDefault.NewDecoder(r) +dec.Decode(&o) +dec.Decode(&o) +fmt.Printf("%+v", o) +// Output: +// map[1:2 a:b] +``` + +### Use Number/Use Int64 + + ```go +import "github.com/bytedance/sonic/decoder" + +var input = `1` +var data interface{} + +// default float64 +dc := decoder.NewDecoder(input) +dc.Decode(&data) // data == float64(1) +// use json.Number +dc = decoder.NewDecoder(input) +dc.UseNumber() +dc.Decode(&data) // data == json.Number("1") +// use int64 +dc = decoder.NewDecoder(input) +dc.UseInt64() +dc.Decode(&data) // data == int64(1) + +root, err := sonic.GetFromString(input) +// Get json.Number +jn := root.Number() +jm := root.InterfaceUseNumber().(json.Number) // jn == jm +// Get float64 +fn := root.Float64() +fm := root.Interface().(float64) // jn == jm + ``` + +### Sort Keys + +On account of the performance loss from sorting (roughly 10%), sonic doesn't enable this feature by default. If your component depends on it to work (like [zstd](https://github.com/facebook/zstd)), Use it like this: + +```go +import "github.com/bytedance/sonic" +import "github.com/bytedance/sonic/encoder" + +// Binding map only +m := map[string]interface{}{} +v, err := encoder.Encode(m, encoder.SortMapKeys) + +// Or ast.Node.SortKeys() before marshal +var root := sonic.Get(JSON) +err := root.SortKeys() +``` + +### Escape HTML + +On account of the performance loss (roughly 15%), sonic doesn't enable this feature by default. You can use `encoder.EscapeHTML` option to open this feature (align with `encoding/json.HTMLEscape`). + +```go +import "github.com/bytedance/sonic" + +v := map[string]string{"&&":"<>"} +ret, err := Encode(v, EscapeHTML) // ret == `{"\u0026\u0026":{"X":"\u003c\u003e"}}` +``` + +### Compact Format + +Sonic encodes primitive objects (struct/map...) as compact-format JSON by default, except marshaling `json.RawMessage` or `json.Marshaler`: sonic ensures validating their output JSON but **DO NOT** compacting them for performance concerns. We provide the option `encoder.CompactMarshaler` to add compacting process. + +### Print Error + +If there invalid syntax in input JSON, sonic will return `decoder.SyntaxError`, which supports pretty-printing of error position + +```go +import "github.com/bytedance/sonic" +import "github.com/bytedance/sonic/decoder" + +var data interface{} +err := sonic.UnmarshalString("[[[}]]", &data) +if err != nil { + /* One line by default */ + println(e.Error()) // "Syntax error at index 3: invalid char\n\n\t[[[}]]\n\t...^..\n" + /* Pretty print */ + if e, ok := err.(decoder.SyntaxError); ok { + /*Syntax error at index 3: invalid char + + [[[}]] + ...^.. + */ + print(e.Description()) + } else if me, ok := err.(*decoder.MismatchTypeError); ok { + // decoder.MismatchTypeError is new to Sonic v1.6.0 + print(me.Description()) + } +} +``` + +#### Mismatched Types [Sonic v1.6.0] + +If there a **mismatch-typed** value for a given key, sonic will report `decoder.MismatchTypeError` (if there are many, report the last one), but still skip wrong the value and keep decoding next JSON. + +```go +import "github.com/bytedance/sonic" +import "github.com/bytedance/sonic/decoder" + +var data = struct{ + A int + B int +}{} +err := UnmarshalString(`{"A":"1","B":1}`, &data) +println(err.Error()) // Mismatch type int with value string "at index 5: mismatched type with value\n\n\t{\"A\":\"1\",\"B\":1}\n\t.....^.........\n" +fmt.Printf("%+v", data) // {A:0 B:1} +``` + +### Ast.Node + +Sonic/ast.Node is a completely self-contained AST for JSON. It implements serialization and deserialization both and provides robust APIs for obtaining and modification of generic data. + +#### Get/Index + +Search partial JSON by given paths, which must be non-negative integer or string, or nil + +```go +import "github.com/bytedance/sonic" + +input := []byte(`{"key1":[{},{"key2":{"key3":[1,2,3]}}]}`) + +// no path, returns entire json +root, err := sonic.Get(input) +raw := root.Raw() // == string(input) + +// multiple paths +root, err := sonic.Get(input, "key1", 1, "key2") +sub := root.Get("key3").Index(2).Int64() // == 3 +``` + +**Tip**: since `Index()` uses offset to locate data, which is much faster than scanning like `Get()`, we suggest you use it as much as possible. And sonic also provides another API `IndexOrGet()` to underlying use offset as well as ensure the key is matched. + +#### SearchOption + +`Searcher` provides some options for user to meet different needs: + +```go +opts := ast.SearchOption{ CopyReturn: true ... } +val, err := sonic.GetWithOptions(JSON, opts, "key") +``` + +- CopyReturn +Indicate the searcher to copy the result JSON string instead of refer from the input. This can help to reduce memory usage if you cache the results +- ConcurentRead +Since `ast.Node` use `Lazy-Load` design, it doesn't support Concurrently-Read by default. If you want to read it concurrently, please specify it. +- ValidateJSON +Indicate the searcher to validate the entire JSON. This option is enabled by default, which slow down the search speed a little. + +#### Set/Unset + +Modify the json content by Set()/Unset() + +```go +import "github.com/bytedance/sonic" + +// Set +exist, err := root.Set("key4", NewBool(true)) // exist == false +alias1 := root.Get("key4") +println(alias1.Valid()) // true +alias2 := root.Index(1) +println(alias1 == alias2) // true + +// Unset +exist, err := root.UnsetByIndex(1) // exist == true +println(root.Get("key4").Check()) // "value not exist" +``` + +#### Serialize + +To encode `ast.Node` as json, use `MarshalJson()` or `json.Marshal()` (MUST pass the node's pointer) + +```go +import ( + "encoding/json" + "github.com/bytedance/sonic" +) + +buf, err := root.MarshalJson() +println(string(buf)) // {"key1":[{},{"key2":{"key3":[1,2,3]}}]} +exp, err := json.Marshal(&root) // WARN: use pointer +println(string(buf) == string(exp)) // true +``` + +#### APIs + +- validation: `Check()`, `Error()`, `Valid()`, `Exist()` +- searching: `Index()`, `Get()`, `IndexPair()`, `IndexOrGet()`, `GetByPath()` +- go-type casting: `Int64()`, `Float64()`, `String()`, `Number()`, `Bool()`, `Map[UseNumber|UseNode]()`, `Array[UseNumber|UseNode]()`, `Interface[UseNumber|UseNode]()` +- go-type packing: `NewRaw()`, `NewNumber()`, `NewNull()`, `NewBool()`, `NewString()`, `NewObject()`, `NewArray()` +- iteration: `Values()`, `Properties()`, `ForEach()`, `SortKeys()` +- modification: `Set()`, `SetByIndex()`, `Add()` + +### Ast.Visitor + +Sonic provides an advanced API for fully parsing JSON into non-standard types (neither `struct` not `map[string]interface{}`) without using any intermediate representation (`ast.Node` or `interface{}`). For example, you might have the following types which are like `interface{}` but actually not `interface{}`: + +```go +type UserNode interface {} + +// the following types implement the UserNode interface. +type ( + UserNull struct{} + UserBool struct{ Value bool } + UserInt64 struct{ Value int64 } + UserFloat64 struct{ Value float64 } + UserString struct{ Value string } + UserObject struct{ Value map[string]UserNode } + UserArray struct{ Value []UserNode } +) +``` + +Sonic provides the following API to return **the preorder traversal of a JSON AST**. The `ast.Visitor` is a SAX style interface which is used in some C++ JSON library. You should implement `ast.Visitor` by yourself and pass it to `ast.Preorder()` method. In your visitor you can make your custom types to represent JSON values. There may be an O(n) space container (such as stack) in your visitor to record the object / array hierarchy. + +```go +func Preorder(str string, visitor Visitor, opts *VisitorOptions) error + +type Visitor interface { + OnNull() error + OnBool(v bool) error + OnString(v string) error + OnInt64(v int64, n json.Number) error + OnFloat64(v float64, n json.Number) error + OnObjectBegin(capacity int) error + OnObjectKey(key string) error + OnObjectEnd() error + OnArrayBegin(capacity int) error + OnArrayEnd() error +} +``` + +See [ast/visitor.go](https://github.com/bytedance/sonic/blob/main/ast/visitor.go) for detailed usage. We also implement a demo visitor for `UserNode` in [ast/visitor_test.go](https://github.com/bytedance/sonic/blob/main/ast/visitor_test.go). + +## Compatibility + +For developers who want to use sonic to meet different scenarios, we provide some integrated configs as `sonic.API` + +- `ConfigDefault`: the sonic's default config (`EscapeHTML=false`,`SortKeys=false`...) to run sonic fast meanwhile ensure security. +- `ConfigStd`: the std-compatible config (`EscapeHTML=true`,`SortKeys=true`...) +- `ConfigFastest`: the fastest config (`NoQuoteTextMarshaler=true`) to run on sonic as fast as possible. +Sonic **DOES NOT** ensure to support all environments, due to the difficulty of developing high-performance codes. On non-sonic-supporting environment, the implementation will fall back to `encoding/json`. Thus below configs will all equal to `ConfigStd`. + +## Tips + +### Pretouch + +Since Sonic uses [golang-asm](https://github.com/twitchyliquid64/golang-asm) as a JIT assembler, which is NOT very suitable for runtime compiling, first-hit running of a huge schema may cause request-timeout or even process-OOM. For better stability, we advise **using `Pretouch()` for huge-schema or compact-memory applications** before `Marshal()/Unmarshal()`. + +```go +import ( + "reflect" + "github.com/bytedance/sonic" + "github.com/bytedance/sonic/option" +) + +func init() { + var v HugeStruct + + // For most large types (nesting depth <= option.DefaultMaxInlineDepth) + err := sonic.Pretouch(reflect.TypeOf(v)) + + // with more CompileOption... + err := sonic.Pretouch(reflect.TypeOf(v), + // If the type is too deep nesting (nesting depth > option.DefaultMaxInlineDepth), + // you can set compile recursive loops in Pretouch for better stability in JIT. + option.WithCompileRecursiveDepth(loop), + // For a large nested struct, try to set a smaller depth to reduce compiling time. + option.WithCompileMaxInlineDepth(depth), + ) +} +``` + +### Copy string + +When decoding **string values without any escaped characters**, sonic references them from the origin JSON buffer instead of mallocing a new buffer to copy. This helps a lot for CPU performance but may leave the whole JSON buffer in memory as long as the decoded objects are being used. In practice, we found the extra memory introduced by referring JSON buffer is usually 20% ~ 80% of decoded objects. Once an application holds these objects for a long time (for example, cache the decoded objects for reusing), its in-use memory on the server may go up. - `Config.CopyString`/`decoder.CopyString()`: We provide the option for `Decode()` / `Unmarshal()` users to choose not to reference the JSON buffer, which may cause a decline in CPU performance to some degree. + +- `GetFromStringNoCopy()`: For memory safety, `sonic.Get()` / `sonic.GetFromString()` now copies return JSON. If users want to get json more quickly and not care about memory usage, you can use `GetFromStringNoCopy()` to return a JSON directly referenced from source. + +### Pass string or []byte? + +For alignment to `encoding/json`, we provide API to pass `[]byte` as an argument, but the string-to-bytes copy is conducted at the same time considering safety, which may lose performance when the origin JSON is huge. Therefore, you can use `UnmarshalString()` and `GetFromString()` to pass a string, as long as your origin data is a string or **nocopy-cast** is safe for your []byte. We also provide API `MarshalString()` for convenient **nocopy-cast** of encoded JSON []byte, which is safe since sonic's output bytes is always duplicated and unique. + +### Accelerate `encoding.TextMarshaler` + +To ensure data security, sonic.Encoder quotes and escapes string values from `encoding.TextMarshaler` interfaces by default, which may degrade performance much if most of your data is in form of them. We provide `encoder.NoQuoteTextMarshaler` to skip these operations, which means you **MUST** ensure their output string escaped and quoted following [RFC8259](https://datatracker.ietf.org/doc/html/rfc8259). + +### Better performance for generic data + +In **fully-parsed** scenario, `Unmarshal()` performs better than `Get()`+`Node.Interface()`. But if you only have a part of the schema for specific json, you can combine `Get()` and `Unmarshal()` together: + +```go +import "github.com/bytedance/sonic" + +node, err := sonic.GetFromString(_TwitterJson, "statuses", 3, "user") +var user User // your partial schema... +err = sonic.UnmarshalString(node.Raw(), &user) +``` + +Even if you don't have any schema, use `ast.Node` as the container of generic values instead of `map` or `interface`: + +```go +import "github.com/bytedance/sonic" + +root, err := sonic.GetFromString(_TwitterJson) +user := root.GetByPath("statuses", 3, "user") // === root.Get("status").Index(3).Get("user") +err = user.Check() + +// err = user.LoadAll() // only call this when you want to use 'user' concurrently... +go someFunc(user) +``` + +Why? Because `ast.Node` stores its children using `array`: + +- `Array`'s performance is **much better** than `Map` when Inserting (Deserialize) and Scanning (Serialize) data; +- **Hashing** (`map[x]`) is not as efficient as **Indexing** (`array[x]`), which `ast.Node` can conduct on **both array and object**; +- Using `Interface()`/`Map()` means Sonic must parse all the underlying values, while `ast.Node` can parse them **on demand**. + +**CAUTION:** `ast.Node` **DOESN'T** ensure concurrent security directly, due to its **lazy-load** design. However, you can call `Node.Load()`/`Node.LoadAll()` to achieve that, which may bring performance reduction while it still works faster than converting to `map` or `interface{}` + +### Ast.Node or Ast.Visitor? + +For generic data, `ast.Node` should be enough for your needs in most cases. + +However, `ast.Node` is designed for partially processing JSON string. It has some special designs such as lazy-load which might not be suitable for directly parsing the whole JSON string like `Unmarshal()`. Although `ast.Node` is better then `map` or `interface{}`, it's also a kind of intermediate representation after all if your final types are customized and you have to convert the above types to your custom types after parsing. + +For better performance, in previous case the `ast.Visitor` will be the better choice. It performs JSON decoding like `Unmarshal()` and you can directly use your final types to represents a JSON AST without any intermediate representations. + +But `ast.Visitor` is not a very handy API. You might need to write a lot of code to implement your visitor and carefully maintain the tree hierarchy during decoding. Please read the comments in [ast/visitor.go](https://github.com/bytedance/sonic/blob/main/ast/visitor.go) carefully if you decide to use this API. + +### Buffer Size + +Sonic use memory pool in many places like `encoder.Encode`, `ast.Node.MarshalJSON` to improve performance, which may produce more memory usage (in-use) when server's load is high. See [issue 614](https://github.com/bytedance/sonic/issues/614). Therefore, we introduce some options to let user control the behavior of memory pool. See [option](https://pkg.go.dev/github.com/bytedance/sonic@v1.11.9/option#pkg-variables) package. + +### Faster JSON Skip + +For security, sonic use [FSM](native/skip_one.c) algorithm to validate JSON when decoding raw JSON or encoding `json.Marshaler`, which is much slower (1~10x) than [SIMD-searching-pair](native/skip_one_fast.c) algorithm. If user has many redundant JSON value and DO NOT NEED to strictly validate JSON correctness, you can enable below options: + +- `Config.NoValidateSkipJSON`: for faster skipping JSON when decoding, such as unknown fields, json.Unmarshaler(json.RawMessage), mismatched values, and redundant array elements +- `Config.NoValidateJSONMarshaler`: avoid validating JSON when encoding `json.Marshaler` +- `SearchOption.ValidateJSON`: indicates if validate located JSON value when `Get` + +## JSON-Path Support (GJSON) + +[tidwall/gjson](https://github.com/tidwall/gjson) has provided a comprehensive and popular JSON-Path API, and + a lot of older codes heavily relies on it. Therefore, we provides a wrapper library, which combines gjson's API with sonic's SIMD algorithm to boost up the performance. See [cloudwego/gjson](https://github.com/cloudwego/gjson). + +## Community + +Sonic is a subproject of [CloudWeGo](https://www.cloudwego.io/). We are committed to building a cloud native ecosystem. diff --git a/vendor/github.com/bytedance/sonic/README_ZH_CN.md b/vendor/github.com/bytedance/sonic/README_ZH_CN.md new file mode 100644 index 000000000..ef4fc2179 --- /dev/null +++ b/vendor/github.com/bytedance/sonic/README_ZH_CN.md @@ -0,0 +1,494 @@ +# Sonic + +[English](README.md) | 中文 + +一个速度奇快的 JSON 序列化/反序列化库,由 JIT (即时编译)和 SIMD (单指令流多数据流)加速。 + +## 依赖 + +- Go: 1.18~1.25 + - 注意:Go1.24.0 由于 [issue](https://github.com/golang/go/issues/71672) 不可用,请升级到更高 Go 版本,或添加编译选项 `--ldflags="-checklinkname=0"` +- OS: Linux / MacOS / Windows +- CPU: AMD64 / (ARM64, 需要 Go1.20 以上) + +## 接口 + +详见 [go.dev](https://pkg.go.dev/github.com/bytedance/sonic) + +## 特色 + +- 运行时对象绑定,无需代码生成 +- 完备的 JSON 操作 API +- 快,更快,还要更快! + +## 基准测试 + +对于**所有大小**的 json 和**所有使用场景**, **Sonic 表现均为最佳**。 + +- [中型](https://github.com/bytedance/sonic/blob/main/decoder/testdata_test.go#L19) (13kB, 300+ 键, 6 层) + +```powershell +goversion: 1.17.1 +goos: darwin +goarch: amd64 +cpu: Intel(R) Core(TM) i9-9880H CPU @ 2.30GHz +BenchmarkEncoder_Generic_Sonic-16 32393 ns/op 402.40 MB/s 11965 B/op 4 allocs/op +BenchmarkEncoder_Generic_Sonic_Fast-16 21668 ns/op 601.57 MB/s 10940 B/op 4 allocs/op +BenchmarkEncoder_Generic_JsonIter-16 42168 ns/op 309.12 MB/s 14345 B/op 115 allocs/op +BenchmarkEncoder_Generic_GoJson-16 65189 ns/op 199.96 MB/s 23261 B/op 16 allocs/op +BenchmarkEncoder_Generic_StdLib-16 106322 ns/op 122.60 MB/s 49136 B/op 789 allocs/op +BenchmarkEncoder_Binding_Sonic-16 6269 ns/op 2079.26 MB/s 14173 B/op 4 allocs/op +BenchmarkEncoder_Binding_Sonic_Fast-16 5281 ns/op 2468.16 MB/s 12322 B/op 4 allocs/op +BenchmarkEncoder_Binding_JsonIter-16 20056 ns/op 649.93 MB/s 9488 B/op 2 allocs/op +BenchmarkEncoder_Binding_GoJson-16 8311 ns/op 1568.32 MB/s 9481 B/op 1 allocs/op +BenchmarkEncoder_Binding_StdLib-16 16448 ns/op 792.52 MB/s 9479 B/op 1 allocs/op +BenchmarkEncoder_Parallel_Generic_Sonic-16 6681 ns/op 1950.93 MB/s 12738 B/op 4 allocs/op +BenchmarkEncoder_Parallel_Generic_Sonic_Fast-16 4179 ns/op 3118.99 MB/s 10757 B/op 4 allocs/op +BenchmarkEncoder_Parallel_Generic_JsonIter-16 9861 ns/op 1321.84 MB/s 14362 B/op 115 allocs/op +BenchmarkEncoder_Parallel_Generic_GoJson-16 18850 ns/op 691.52 MB/s 23278 B/op 16 allocs/op +BenchmarkEncoder_Parallel_Generic_StdLib-16 45902 ns/op 283.97 MB/s 49174 B/op 789 allocs/op +BenchmarkEncoder_Parallel_Binding_Sonic-16 1480 ns/op 8810.09 MB/s 13049 B/op 4 allocs/op +BenchmarkEncoder_Parallel_Binding_Sonic_Fast-16 1209 ns/op 10785.23 MB/s 11546 B/op 4 allocs/op +BenchmarkEncoder_Parallel_Binding_JsonIter-16 6170 ns/op 2112.58 MB/s 9504 B/op 2 allocs/op +BenchmarkEncoder_Parallel_Binding_GoJson-16 3321 ns/op 3925.52 MB/s 9496 B/op 1 allocs/op +BenchmarkEncoder_Parallel_Binding_StdLib-16 3739 ns/op 3486.49 MB/s 9480 B/op 1 allocs/op + +BenchmarkDecoder_Generic_Sonic-16 66812 ns/op 195.10 MB/s 57602 B/op 723 allocs/op +BenchmarkDecoder_Generic_Sonic_Fast-16 54523 ns/op 239.07 MB/s 49786 B/op 313 allocs/op +BenchmarkDecoder_Generic_StdLib-16 124260 ns/op 104.90 MB/s 50869 B/op 772 allocs/op +BenchmarkDecoder_Generic_JsonIter-16 91274 ns/op 142.81 MB/s 55782 B/op 1068 allocs/op +BenchmarkDecoder_Generic_GoJson-16 88569 ns/op 147.17 MB/s 66367 B/op 973 allocs/op +BenchmarkDecoder_Binding_Sonic-16 32557 ns/op 400.38 MB/s 28302 B/op 137 allocs/op +BenchmarkDecoder_Binding_Sonic_Fast-16 28649 ns/op 455.00 MB/s 24999 B/op 34 allocs/op +BenchmarkDecoder_Binding_StdLib-16 111437 ns/op 116.97 MB/s 10576 B/op 208 allocs/op +BenchmarkDecoder_Binding_JsonIter-16 35090 ns/op 371.48 MB/s 14673 B/op 385 allocs/op +BenchmarkDecoder_Binding_GoJson-16 28738 ns/op 453.59 MB/s 22039 B/op 49 allocs/op +BenchmarkDecoder_Parallel_Generic_Sonic-16 12321 ns/op 1057.91 MB/s 57233 B/op 723 allocs/op +BenchmarkDecoder_Parallel_Generic_Sonic_Fast-16 10644 ns/op 1224.64 MB/s 49362 B/op 313 allocs/op +BenchmarkDecoder_Parallel_Generic_StdLib-16 57587 ns/op 226.35 MB/s 50874 B/op 772 allocs/op +BenchmarkDecoder_Parallel_Generic_JsonIter-16 38666 ns/op 337.12 MB/s 55789 B/op 1068 allocs/op +BenchmarkDecoder_Parallel_Generic_GoJson-16 30259 ns/op 430.79 MB/s 66370 B/op 974 allocs/op +BenchmarkDecoder_Parallel_Binding_Sonic-16 5965 ns/op 2185.28 MB/s 27747 B/op 137 allocs/op +BenchmarkDecoder_Parallel_Binding_Sonic_Fast-16 5170 ns/op 2521.31 MB/s 24715 B/op 34 allocs/op +BenchmarkDecoder_Parallel_Binding_StdLib-16 27582 ns/op 472.58 MB/s 10576 B/op 208 allocs/op +BenchmarkDecoder_Parallel_Binding_JsonIter-16 13571 ns/op 960.51 MB/s 14685 B/op 385 allocs/op +BenchmarkDecoder_Parallel_Binding_GoJson-16 10031 ns/op 1299.51 MB/s 22111 B/op 49 allocs/op + +BenchmarkGetOne_Sonic-16 3276 ns/op 3975.78 MB/s 24 B/op 1 allocs/op +BenchmarkGetOne_Gjson-16 9431 ns/op 1380.81 MB/s 0 B/op 0 allocs/op +BenchmarkGetOne_Jsoniter-16 51178 ns/op 254.46 MB/s 27936 B/op 647 allocs/op +BenchmarkGetOne_Parallel_Sonic-16 216.7 ns/op 60098.95 MB/s 24 B/op 1 allocs/op +BenchmarkGetOne_Parallel_Gjson-16 1076 ns/op 12098.62 MB/s 0 B/op 0 allocs/op +BenchmarkGetOne_Parallel_Jsoniter-16 17741 ns/op 734.06 MB/s 27945 B/op 647 allocs/op +BenchmarkSetOne_Sonic-16 9571 ns/op 1360.61 MB/s 1584 B/op 17 allocs/op +BenchmarkSetOne_Sjson-16 36456 ns/op 357.22 MB/s 52180 B/op 9 allocs/op +BenchmarkSetOne_Jsoniter-16 79475 ns/op 163.86 MB/s 45862 B/op 964 allocs/op +BenchmarkSetOne_Parallel_Sonic-16 850.9 ns/op 15305.31 MB/s 1584 B/op 17 allocs/op +BenchmarkSetOne_Parallel_Sjson-16 18194 ns/op 715.77 MB/s 52247 B/op 9 allocs/op +BenchmarkSetOne_Parallel_Jsoniter-16 33560 ns/op 388.05 MB/s 45892 B/op 964 allocs/op +BenchmarkLoadNode/LoadAll()-16 11384 ns/op 1143.93 MB/s 6307 B/op 25 allocs/op +BenchmarkLoadNode_Parallel/LoadAll()-16 5493 ns/op 2370.68 MB/s 7145 B/op 25 allocs/op +BenchmarkLoadNode/Interface()-16 17722 ns/op 734.85 MB/s 13323 B/op 88 allocs/op +BenchmarkLoadNode_Parallel/Interface()-16 10330 ns/op 1260.70 MB/s 15178 B/op 88 allocs/op +``` + +- [小型](https://github.com/bytedance/sonic/blob/main/testdata/small.go) (400B, 11 个键, 3 层) +![small benchmarks](./docs/imgs/bench-small.png) +- [大型](https://github.com/bytedance/sonic/blob/main/testdata/twitter.json) (635kB, 10000+ 个键, 6 层) +![large benchmarks](./docs/imgs/bench-large.png) + +要查看基准测试代码,请参阅 [bench.sh](https://github.com/bytedance/sonic/blob/main/scripts/bench.sh) 。 + +## 工作原理 + +请参阅 [INTRODUCTION_ZH_CN.md](./docs/INTRODUCTION_ZH_CN.md). + +## 使用方式 + +### 序列化/反序列化 + +默认的行为基本上与 `encoding/json` 相一致,除了 HTML 转义形式(参见 [Escape HTML](https://github.com/bytedance/sonic/blob/main/README.md#escape-html)) 和 `SortKeys` 功能(参见 [Sort Keys](https://github.com/bytedance/sonic/blob/main/README.md#sort-keys))**没有**遵循 [RFC8259](https://datatracker.ietf.org/doc/html/rfc8259) 。 + + ```go +import "github.com/bytedance/sonic" + +var data YourSchema +// Marshal +output, err := sonic.Marshal(&data) +// Unmarshal +err := sonic.Unmarshal(output, &data) + ``` + +### 流式输入输出 + +Sonic 支持解码 `io.Reader` 中输入的 json,或将对象编码为 json 后输出至 `io.Writer`,以处理多个值并减少内存消耗。 + +- 编码器 + +```go +var o1 = map[string]interface{}{ + "a": "b", +} +var o2 = 1 +var w = bytes.NewBuffer(nil) +var enc = sonic.ConfigDefault.NewEncoder(w) +enc.Encode(o1) +enc.Encode(o2) +fmt.Println(w.String()) +// Output: +// {"a":"b"} +// 1 +``` + +- 解码器 + +```go +var o = map[string]interface{}{} +var r = strings.NewReader(`{"a":"b"}{"1":"2"}`) +var dec = sonic.ConfigDefault.NewDecoder(r) +dec.Decode(&o) +dec.Decode(&o) +fmt.Printf("%+v", o) +// Output: +// map[1:2 a:b] +``` + +### 使用 `Number` / `int64` + +```go +import "github.com/bytedance/sonic/decoder" + +var input = `1` +var data interface{} + +// default float64 +dc := decoder.NewDecoder(input) +dc.Decode(&data) // data == float64(1) +// use json.Number +dc = decoder.NewDecoder(input) +dc.UseNumber() +dc.Decode(&data) // data == json.Number("1") +// use int64 +dc = decoder.NewDecoder(input) +dc.UseInt64() +dc.Decode(&data) // data == int64(1) + +root, err := sonic.GetFromString(input) +// Get json.Number +jn := root.Number() +jm := root.InterfaceUseNumber().(json.Number) // jn == jm +// Get float64 +fn := root.Float64() +fm := root.Interface().(float64) // jn == jm + ``` + +### 对键排序 + +考虑到排序带来的性能损失(约 10% ), sonic 默认不会启用这个功能。如果你的组件依赖这个行为(如 [zstd](https://github.com/facebook/zstd)) ,可以仿照下面的例子: + +```go +import "github.com/bytedance/sonic" +import "github.com/bytedance/sonic/encoder" + +// Binding map only +m := map[string]interface{}{} +v, err := encoder.Encode(m, encoder.SortMapKeys) + +// Or ast.Node.SortKeys() before marshal +var root := sonic.Get(JSON) +err := root.SortKeys() +``` + +### HTML 转义 + +考虑到性能损失(约15%), sonic 默认不会启用这个功能。你可以使用 `encoder.EscapeHTML` 选项来开启(与 `encoding/json.HTMLEscape` 行为一致)。 + +```go +import "github.com/bytedance/sonic" + +v := map[string]string{"&&":"<>"} +ret, err := Encode(v, EscapeHTML) // ret == `{"\u0026\u0026":{"X":"\u003c\u003e"}}` +``` + +### 紧凑格式 + +Sonic 默认将基本类型( `struct` , `map` 等)编码为紧凑格式的 JSON ,除非使用 `json.RawMessage` or `json.Marshaler` 进行编码: sonic 确保输出的 JSON 合法,但出于性能考虑,**不会**加工成紧凑格式。我们提供选项 `encoder.CompactMarshaler` 来添加此过程, + +### 打印错误 + +如果输入的 JSON 存在无效的语法,sonic 将返回 `decoder.SyntaxError`,该错误支持错误位置的美化输出。 + +```go +import "github.com/bytedance/sonic" +import "github.com/bytedance/sonic/decoder" + +var data interface{} +err := sonic.UnmarshalString("[[[}]]", &data) +if err != nil { + /* One line by default */ + println(e.Error()) // "Syntax error at index 3: invalid char\n\n\t[[[}]]\n\t...^..\n" + /* Pretty print */ + if e, ok := err.(decoder.SyntaxError); ok { + /*Syntax error at index 3: invalid char + + [[[}]] + ...^.. + */ + print(e.Description()) + } else if me, ok := err.(*decoder.MismatchTypeError); ok { + // decoder.MismatchTypeError is new to Sonic v1.6.0 + print(me.Description()) + } +} +``` + +#### 类型不匹配 [Sonic v1.6.0] + +如果给定键中存在**类型不匹配**的值, sonic 会抛出 `decoder.MismatchTypeError` (如果有多个,只会报告最后一个),但仍会跳过错误的值并解码下一个 JSON 。 + +```go +import "github.com/bytedance/sonic" +import "github.com/bytedance/sonic/decoder" + +var data = struct{ + A int + B int +}{} +err := UnmarshalString(`{"A":"1","B":1}`, &data) +println(err.Error()) // Mismatch type int with value string "at index 5: mismatched type with value\n\n\t{\"A\":\"1\",\"B\":1}\n\t.....^.........\n" +fmt.Printf("%+v", data) // {A:0 B:1} +``` + +### `Ast.Node` + +Sonic/ast.Node 是完全独立的 JSON 抽象语法树库。它实现了序列化和反序列化,并提供了获取和修改JSON数据的鲁棒的 API。 + +#### 查找/索引 + +通过给定的路径搜索 JSON 片段,路径必须为非负整数,字符串或 `nil` 。 + +```go +import "github.com/bytedance/sonic" + +input := []byte(`{"key1":[{},{"key2":{"key3":[1,2,3]}}]}`) + +// no path, returns entire json +root, err := sonic.Get(input) +raw := root.Raw() // == string(input) + +// multiple paths +root, err := sonic.Get(input, "key1", 1, "key2") +sub := root.Get("key3").Index(2).Int64() // == 3 +``` + +**注意**:由于 `Index()` 使用偏移量来定位数据,比使用扫描的 `Get()` 要快的多,建议尽可能的使用 `Index` 。 Sonic 也提供了另一个 API, `IndexOrGet()` ,以偏移量为基础并且也确保键的匹配。 + +#### 查找选项 + +`ast.Searcher`提供了一些选项,以满足用户的不同需求: + +```go +opts := ast.SearchOption{CopyReturn: true…} +val, err := sonic.GetWithOptions(JSON, opts, "key") +``` + +- CopyReturn +指示搜索器复制结果JSON字符串,而不是从输入引用。如果用户缓存结果,这有助于减少内存使用 +- ConcurentRead +因为`ast.Node`使用`Lazy-Load`设计,默认不支持并发读取。如果您想同时读取,请指定它。 +- ValidateJSON +指示搜索器来验证整个JSON。默认情况下启用该选项, 但是对于查找速度有一定影响。 + +#### 修改 + +使用 `Set()` / `Unset()` 修改 json 的内容 + +```go +import "github.com/bytedance/sonic" + +// Set +exist, err := root.Set("key4", NewBool(true)) // exist == false +alias1 := root.Get("key4") +println(alias1.Valid()) // true +alias2 := root.Index(1) +println(alias1 == alias2) // true + +// Unset +exist, err := root.UnsetByIndex(1) // exist == true +println(root.Get("key4").Check()) // "value not exist" +``` + +#### 序列化 + +要将 `ast.Node` 编码为 json ,使用 `MarshalJson()` 或者 `json.Marshal()` (必须传递指向节点的指针) + +```go +import ( + "encoding/json" + "github.com/bytedance/sonic" +) + +buf, err := root.MarshalJson() +println(string(buf)) // {"key1":[{},{"key2":{"key3":[1,2,3]}}]} +exp, err := json.Marshal(&root) // WARN: use pointer +println(string(buf) == string(exp)) // true +``` + +#### APIs + +- 合法性检查: `Check()`, `Error()`, `Valid()`, `Exist()` +- 索引: `Index()`, `Get()`, `IndexPair()`, `IndexOrGet()`, `GetByPath()` +- 转换至 go 内置类型: `Int64()`, `Float64()`, `String()`, `Number()`, `Bool()`, `Map[UseNumber|UseNode]()`, `Array[UseNumber|UseNode]()`, `Interface[UseNumber|UseNode]()` +- go 类型打包: `NewRaw()`, `NewNumber()`, `NewNull()`, `NewBool()`, `NewString()`, `NewObject()`, `NewArray()` +- 迭代: `Values()`, `Properties()`, `ForEach()`, `SortKeys()` +- 修改: `Set()`, `SetByIndex()`, `Add()` + +### `Ast.Visitor` + +Sonic 提供了一个高级的 API 用于直接全量解析 JSON 到非标准容器里 (既不是 `struct` 也不是 `map[string]interface{}`) 且不需要借助任何中间表示 (`ast.Node` 或 `interface{}`)。举个例子,你可能定义了下述的类型,它们看起来像 `interface{}`,但实际上并不是: + +```go +type UserNode interface {} + +// the following types implement the UserNode interface. +type ( + UserNull struct{} + UserBool struct{ Value bool } + UserInt64 struct{ Value int64 } + UserFloat64 struct{ Value float64 } + UserString struct{ Value string } + UserObject struct{ Value map[string]UserNode } + UserArray struct{ Value []UserNode } +) +``` + +Sonic 提供了下述的 API 来返回 **“对 JSON AST 的前序遍历”**。`ast.Visitor` 是一个 SAX 风格的接口,这在某些 C++ 的 JSON 解析库中被使用到。你需要自己实现一个 `ast.Visitor`,将它传递给 `ast.Preorder()` 方法。在你的实现中你可以使用自定义的类型来表示 JSON 的值。在你的 `ast.Visitor` 中,可能需要有一个 O(n) 空间复杂度的容器(比如说栈)来记录 object / array 的层级。 + +```go +func Preorder(str string, visitor Visitor, opts *VisitorOptions) error + +type Visitor interface { + OnNull() error + OnBool(v bool) error + OnString(v string) error + OnInt64(v int64, n json.Number) error + OnFloat64(v float64, n json.Number) error + OnObjectBegin(capacity int) error + OnObjectKey(key string) error + OnObjectEnd() error + OnArrayBegin(capacity int) error + OnArrayEnd() error +} +``` + +详细用法参看 [ast/visitor.go](https://github.com/bytedance/sonic/blob/main/ast/visitor.go),我们还为 `UserNode` 实现了一个示例 `ast.Visitor`,你可以在 [ast/visitor_test.go](https://github.com/bytedance/sonic/blob/main/ast/visitor_test.go) 中找到它。 + +## 兼容性 + +对于想要使用sonic来满足不同场景的开发人员,我们提供了一些集成配置: + +- `ConfigDefault`: sonic的默认配置 (`EscapeHTML=false`, `SortKeys=false`…) 保证性能同时兼顾安全性。 +- `ConfigStd`: 与 `encoding/json` 保证完全兼容的配置 +- `ConfigFastest`: 最快的配置(`NoQuoteTextMarshaler=true...`) 保证性能最优但是会缺少一些安全性检查(validate UTF8 等) +Sonic **不**确保支持所有环境,由于开发高性能代码的困难。在不支持sonic的环境中,实现将回落到 `encoding/json`。因此上述配置将全部等于`ConfigStd`。 + +## 注意事项 + +### 预热 + +由于 Sonic 使用 [golang-asm](https://github.com/twitchyliquid64/golang-asm) 作为 JIT 汇编器,这个库并不适用于运行时编译,第一次运行一个大型模式可能会导致请求超时甚至进程内存溢出。为了更好地稳定性,我们建议在运行大型模式或在内存有限的应用中,在使用 `Marshal()/Unmarshal()` 前运行 `Pretouch()`。 + +```go +import ( + "reflect" + "github.com/bytedance/sonic" + "github.com/bytedance/sonic/option" +) + +func init() { + var v HugeStruct + + // For most large types (nesting depth <= option.DefaultMaxInlineDepth) + err := sonic.Pretouch(reflect.TypeOf(v)) + + // with more CompileOption... + err := sonic.Pretouch(reflect.TypeOf(v), + // If the type is too deep nesting (nesting depth > option.DefaultMaxInlineDepth), + // you can set compile recursive loops in Pretouch for better stability in JIT. + option.WithCompileRecursiveDepth(loop), + // For a large nested struct, try to set a smaller depth to reduce compiling time. + option.WithCompileMaxInlineDepth(depth), + ) +} +``` + +### 拷贝字符串 + +当解码 **没有转义字符的字符串**时, sonic 会从原始的 JSON 缓冲区内引用而不是复制到新的一个缓冲区中。这对 CPU 的性能方面很有帮助,但是可能因此在解码后对象仍在使用的时候将整个 JSON 缓冲区保留在内存中。实践中我们发现,通过引用 JSON 缓冲区引入的额外内存通常是解码后对象的 20% 至 80% ,一旦应用长期保留这些对象(如缓存以备重用),服务器所使用的内存可能会增加。我们提供了选项 `decoder.CopyString()` 供用户选择,不引用 JSON 缓冲区。这可能在一定程度上降低 CPU 性能。 + +### 传递字符串还是字节数组? + +为了和 `encoding/json` 保持一致,我们提供了传递 `[]byte` 作为参数的 API ,但考虑到安全性,字符串到字节的复制是同时进行的,这在原始 JSON 非常大时可能会导致性能损失。因此,你可以使用 `UnmarshalString()` 和 `GetFromString()` 来传递字符串,只要你的原始数据是字符串,或**零拷贝类型转换**对于你的字节数组是安全的。我们也提供了 `MarshalString()` 的 API ,以便对编码的 JSON 字节数组进行**零拷贝类型转换**,因为 sonic 输出的字节始终是重复并且唯一的,所以这样是安全的。 + +### 加速 `encoding.TextMarshaler` + +为了保证数据安全性, `sonic.Encoder` 默认会对来自 `encoding.TextMarshaler` 接口的字符串进行引用和转义,如果大部分数据都是这种形式那可能会导致很大的性能损失。我们提供了 `encoder.NoQuoteTextMarshaler` 选项来跳过这些操作,但你**必须**保证他们的输出字符串依照 [RFC8259](https://datatracker.ietf.org/doc/html/rfc8259) 进行了转义和引用。 + +### 泛型的性能优化 + +在 **完全解析**的场景下, `Unmarshal()` 表现得比 `Get()`+`Node.Interface()` 更好。但是如果你只有特定 JSON 的部分模式,你可以将 `Get()` 和 `Unmarshal()` 结合使用: + +```go +import "github.com/bytedance/sonic" + +node, err := sonic.GetFromString(_TwitterJson, "statuses", 3, "user") +var user User // your partial schema... +err = sonic.UnmarshalString(node.Raw(), &user) +``` + +甚至如果你没有任何模式,可以用 `ast.Node` 代替 `map` 或 `interface` 作为泛型的容器: + +```go +import "github.com/bytedance/sonic" + +root, err := sonic.GetFromString(_TwitterJson) +user := root.GetByPath("statuses", 3, "user") // === root.Get("status").Index(3).Get("user") +err = user.Check() + +// err = user.LoadAll() // only call this when you want to use 'user' concurrently... +go someFunc(user) +``` + +为什么?因为 `ast.Node` 使用 `array` 来存储其子节点: + +- 在插入(反序列化)和扫描(序列化)数据时,`Array` 的性能比 `Map` **好得多**; +- **哈希**(`map[x]`)的效率不如**索引**(`array[x]`)高效,而 `ast.Node` 可以在数组和对象上使用索引; +- 使用 `Interface()` / `Map()` 意味着 sonic 必须解析所有的底层值,而 `ast.Node` 可以**按需解析**它们。 + +**注意**:由于 `ast.Node` 的惰性加载设计,其**不能**直接保证并发安全性,但你可以调用 `Node.Load()` / `Node.LoadAll()` 来实现并发安全。尽管可能会带来性能损失,但仍比转换成 `map` 或 `interface{}` 更为高效。 + +### 使用 `ast.Node` 还是 `ast.Visitor`? + +对于泛型数据的解析,`ast.Node` 在大多数场景上应该能够满足你的需求。 + +然而,`ast.Node` 是一种针对部分解析 JSON 而设计的泛型容器,它包含一些特殊设计,比如惰性加载,如果你希望像 `Unmarshal()` 那样直接解析整个 JSON,这些设计可能并不合适。尽管 `ast.Node` 相较于 `map` 或 `interface{}` 来说是更好的一种泛型容器,但它毕竟也是一种中间表示,如果你的最终类型是自定义的,你还得在解析完成后将上述类型转化成你自定义的类型。 + +在上述场景中,如果想要有更极致的性能,`ast.Visitor` 会是更好的选择。它采用和 `Unmarshal()` 类似的形式解析 JSON,并且你可以直接使用你的最终类型去表示 JSON AST,而不需要经过额外的任何中间表示。 + +但是,`ast.Visitor` 并不是一个很易用的 API。你可能需要写大量的代码去实现自己的 `ast.Visitor`,并且需要在解析过程中仔细维护树的层级。如果你决定要使用这个 API,请先仔细阅读 [ast/visitor.go](https://github.com/bytedance/sonic/blob/main/ast/visitor.go) 中的注释。 + +### 缓冲区大小 + +Sonic在许多地方使用内存池,如`encoder.Encode`, `ast.Node.MarshalJSON`等来提高性能,这可能会在服务器负载高时产生更多的内存使用(in-use)。参见[issue 614](https://github.com/bytedance/sonic/issues/614)。因此,我们引入了一些选项来让用户配置内存池的行为。参见[option](https://pkg.go.dev/github.com/bytedance/sonic@v1.11.9/option#pkg-variables)包。 + +### 更快的 JSON Skip + +为了安全起见,在跳过原始JSON 时,sonic decoder 默认使用[FSM](native/skip_one.c)算法扫描来跳过同时校验 JSON。它相比[SIMD-searching-pair](native/skip_one_fast.c)算法跳过要慢得多(1~10倍)。如果用户有很多冗余的JSON值,并且不需要严格验证JSON的正确性,你可以启用以下选项: + +- `Config.NoValidateSkipJSON`: 用于在解码时更快地跳过JSON,例如未知字段,`json.RawMessage`,不匹配的值和冗余的数组元素等 +- `Config.NoValidateJSONMarshaler`: 编码JSON时避免验证JSON。封送拆收器 +- `SearchOption.ValidateJSON`: 指示当`Get`时是否验证定位的JSON值 + +## 社区 + +Sonic 是 [CloudWeGo](https://www.cloudwego.io/) 下的一个子项目。我们致力于构建云原生生态系统。 diff --git a/vendor/github.com/bytedance/sonic/api.go b/vendor/github.com/bytedance/sonic/api.go new file mode 100644 index 000000000..3858d9a80 --- /dev/null +++ b/vendor/github.com/bytedance/sonic/api.go @@ -0,0 +1,249 @@ +/* + * Copyright 2021 ByteDance Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package sonic + +import ( + `io` + + `github.com/bytedance/sonic/ast` + `github.com/bytedance/sonic/internal/rt` +) + +const ( + // UseStdJSON indicates you are using fallback implementation (encoding/json) + UseStdJSON = iota + // UseSonicJSON indicates you are using real sonic implementation + UseSonicJSON +) + +// APIKind is the kind of API, 0 is std json, 1 is sonic. +const APIKind = apiKind + +// Config is a combination of sonic/encoder.Options and sonic/decoder.Options +type Config struct { + // EscapeHTML indicates encoder to escape all HTML characters + // after serializing into JSON (see https://pkg.go.dev/encoding/json#HTMLEscape). + // WARNING: This hurts performance A LOT, USE WITH CARE. + EscapeHTML bool + + // SortMapKeys indicates encoder that the keys of a map needs to be sorted + // before serializing into JSON. + // WARNING: This hurts performance A LOT, USE WITH CARE. + SortMapKeys bool + + // CompactMarshaler indicates encoder that the output JSON from json.Marshaler + // is always compact and needs no validation + CompactMarshaler bool + + // NoQuoteTextMarshaler indicates encoder that the output text from encoding.TextMarshaler + // is always escaped string and needs no quoting + NoQuoteTextMarshaler bool + + // NoNullSliceOrMap indicates encoder that all empty Array or Object are encoded as '[]' or '{}', + // instead of 'null' + NoNullSliceOrMap bool + + // UseInt64 indicates decoder to unmarshal an integer into an interface{} as an + // int64 instead of as a float64. + UseInt64 bool + + // UseNumber indicates decoder to unmarshal a number into an interface{} as a + // json.Number instead of as a float64. + UseNumber bool + + // UseUnicodeErrors indicates decoder to return an error when encounter invalid + // UTF-8 escape sequences. + UseUnicodeErrors bool + + // DisallowUnknownFields indicates decoder to return an error when the destination + // is a struct and the input contains object keys which do not match any + // non-ignored, exported fields in the destination. + DisallowUnknownFields bool + + // CopyString indicates decoder to decode string values by copying instead of referring. + CopyString bool + + // ValidateString indicates decoder and encoder to validate string values: decoder will return errors + // when unescaped control chars(\u0000-\u001f) in the string value of JSON. + ValidateString bool + + // NoValidateJSONMarshaler indicates that the encoder should not validate the output string + // after encoding the JSONMarshaler to JSON. + NoValidateJSONMarshaler bool + + // NoValidateJSONSkip indicates the decoder should not validate the JSON value when skipping it, + // such as unknown-fields, mismatched-type, redundant elements.. + NoValidateJSONSkip bool + + // NoEncoderNewline indicates that the encoder should not add a newline after every message + NoEncoderNewline bool + + // Encode Infinity or Nan float into `null`, instead of returning an error. + EncodeNullForInfOrNan bool + + // CaseSensitive indicates that the decoder should not ignore the case of object keys. + CaseSensitive bool +} + +var ( + // ConfigDefault is the default config of APIs, aiming at efficiency and safety. + ConfigDefault = Config{}.Froze() + + // ConfigStd is the standard config of APIs, aiming at being compatible with encoding/json. + ConfigStd = Config{ + EscapeHTML : true, + SortMapKeys: true, + CompactMarshaler: true, + CopyString : true, + ValidateString : true, + }.Froze() + + // ConfigFastest is the fastest config of APIs, aiming at speed. + ConfigFastest = Config{ + NoValidateJSONMarshaler: true, + NoValidateJSONSkip: true, + }.Froze() +) + + +// API is a binding of specific config. +// This interface is inspired by github.com/json-iterator/go, +// and has same behaviors under equivalent config. +type API interface { + // MarshalToString returns the JSON encoding string of v + MarshalToString(v interface{}) (string, error) + // Marshal returns the JSON encoding bytes of v. + Marshal(v interface{}) ([]byte, error) + // MarshalIndent returns the JSON encoding bytes with indent and prefix. + MarshalIndent(v interface{}, prefix, indent string) ([]byte, error) + // UnmarshalFromString parses the JSON-encoded bytes and stores the result in the value pointed to by v. + UnmarshalFromString(str string, v interface{}) error + // Unmarshal parses the JSON-encoded string and stores the result in the value pointed to by v. + Unmarshal(data []byte, v interface{}) error + // NewEncoder create a Encoder holding writer + NewEncoder(writer io.Writer) Encoder + // NewDecoder create a Decoder holding reader + NewDecoder(reader io.Reader) Decoder + // Valid validates the JSON-encoded bytes and reports if it is valid + Valid(data []byte) bool +} + +// Encoder encodes JSON into io.Writer +type Encoder interface { + // Encode writes the JSON encoding of v to the stream, followed by a newline character. + Encode(val interface{}) error + // SetEscapeHTML specifies whether problematic HTML characters + // should be escaped inside JSON quoted strings. + // The default behavior NOT ESCAPE + SetEscapeHTML(on bool) + // SetIndent instructs the encoder to format each subsequent encoded value + // as if indented by the package-level function Indent(dst, src, prefix, indent). + // Calling SetIndent("", "") disables indentation + SetIndent(prefix, indent string) +} + +// Decoder decodes JSON from io.Read +type Decoder interface { + // Decode reads the next JSON-encoded value from its input and stores it in the value pointed to by v. + Decode(val interface{}) error + // Buffered returns a reader of the data remaining in the Decoder's buffer. + // The reader is valid until the next call to Decode. + Buffered() io.Reader + // DisallowUnknownFields causes the Decoder to return an error when the destination is a struct + // and the input contains object keys which do not match any non-ignored, exported fields in the destination. + DisallowUnknownFields() + // More reports whether there is another element in the current array or object being parsed. + More() bool + // UseNumber causes the Decoder to unmarshal a number into an interface{} as a Number instead of as a float64. + UseNumber() +} + +// Marshal returns the JSON encoding bytes of v. +func Marshal(val interface{}) ([]byte, error) { + return ConfigDefault.Marshal(val) +} + +// MarshalIndent is like Marshal but applies Indent to format the output. +// Each JSON element in the output will begin on a new line beginning with prefix +// followed by one or more copies of indent according to the indentation nesting. +func MarshalIndent(v interface{}, prefix, indent string) ([]byte, error) { + return ConfigDefault.MarshalIndent(v, prefix, indent) +} + +// MarshalString returns the JSON encoding string of v. +func MarshalString(val interface{}) (string, error) { + return ConfigDefault.MarshalToString(val) +} + +// Unmarshal parses the JSON-encoded data and stores the result in the value pointed to by v. +// NOTICE: This API copies given buffer by default, +// if you want to pass JSON more efficiently, use UnmarshalString instead. +func Unmarshal(buf []byte, val interface{}) error { + return ConfigDefault.Unmarshal(buf, val) +} + +// UnmarshalString is like Unmarshal, except buf is a string. +func UnmarshalString(buf string, val interface{}) error { + return ConfigDefault.UnmarshalFromString(buf, val) +} + +// Get searches and locates the given path from src json, +// and returns a ast.Node representing the partially json. +// +// Each path arg must be integer or string: +// - Integer is target index(>=0), means searching current node as array. +// - String is target key, means searching current node as object. +// +// +// Notice: It expects the src json is **Well-formed** and **Immutable** when calling, +// otherwise it may return unexpected result. +// Considering memory safety, the returned JSON is **Copied** from the input +func Get(src []byte, path ...interface{}) (ast.Node, error) { + return GetCopyFromString(rt.Mem2Str(src), path...) +} + +//GetWithOptions searches and locates the given path from src json, +// with specific options of ast.Searcher +func GetWithOptions(src []byte, opts ast.SearchOptions, path ...interface{}) (ast.Node, error) { + s := ast.NewSearcher(rt.Mem2Str(src)) + s.SearchOptions = opts + return s.GetByPath(path...) +} + +// GetFromString is same with Get except src is string. +// +// WARNING: The returned JSON is **Referenced** from the input. +// Caching or long-time holding the returned node may cause OOM. +// If your src is big, consider use GetFromStringCopy(). +func GetFromString(src string, path ...interface{}) (ast.Node, error) { + return ast.NewSearcher(src).GetByPath(path...) +} + +// GetCopyFromString is same with Get except src is string +func GetCopyFromString(src string, path ...interface{}) (ast.Node, error) { + return ast.NewSearcher(src).GetByPathCopy(path...) +} + +// Valid reports whether data is a valid JSON encoding. +func Valid(data []byte) bool { + return ConfigDefault.Valid(data) +} + +// Valid reports whether data is a valid JSON encoding. +func ValidString(data string) bool { + return ConfigDefault.Valid(rt.Str2Mem(data)) +} diff --git a/vendor/github.com/bytedance/sonic/ast/api.go b/vendor/github.com/bytedance/sonic/ast/api.go new file mode 100644 index 000000000..b9d3c58ee --- /dev/null +++ b/vendor/github.com/bytedance/sonic/ast/api.go @@ -0,0 +1,94 @@ +//go:build (amd64 && go1.17 && !go1.26) || (arm64 && go1.20 && !go1.26) +// +build amd64,go1.17,!go1.26 arm64,go1.20,!go1.26 + +/* + * Copyright 2022 ByteDance Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package ast + +import ( + "runtime" + "unsafe" + + "github.com/bytedance/sonic/encoder" + "github.com/bytedance/sonic/internal/encoder/alg" + "github.com/bytedance/sonic/internal/native" + "github.com/bytedance/sonic/internal/native/types" + "github.com/bytedance/sonic/internal/rt" + "github.com/bytedance/sonic/utf8" +) + +var typeByte = rt.UnpackEface(byte(0)).Type + +func quote(buf *[]byte, val string) { + *buf = alg.Quote(*buf, val, false) +} + +func (self *Parser) decodeValue() (val types.JsonState) { + sv := (*rt.GoString)(unsafe.Pointer(&self.s)) + flag := types.F_USE_NUMBER + if self.dbuf != nil { + flag = 0 + val.Dbuf = self.dbuf + val.Dcap = types.MaxDigitNums + } + self.p = native.Value(sv.Ptr, sv.Len, self.p, &val, uint64(flag)) + return +} + +func (self *Parser) skip() (int, types.ParsingError) { + fsm := types.NewStateMachine() + start := native.SkipOne(&self.s, &self.p, fsm, 0) + types.FreeStateMachine(fsm) + + if start < 0 { + return self.p, types.ParsingError(-start) + } + return start, 0 +} + +func (self *Node) encodeInterface(buf *[]byte) error { + //WARN: NOT compatible with json.Encoder + return encoder.EncodeInto(buf, self.packAny(), encoder.NoEncoderNewline) +} + +func (self *Parser) skipFast() (int, types.ParsingError) { + start := native.SkipOneFast(&self.s, &self.p) + if start < 0 { + return self.p, types.ParsingError(-start) + } + return start, 0 +} + +func (self *Parser) getByPath(validate bool, path ...interface{}) (int, types.ParsingError) { + var fsm *types.StateMachine + if validate { + fsm = types.NewStateMachine() + } + start := native.GetByPath(&self.s, &self.p, &path, fsm) + if validate { + types.FreeStateMachine(fsm) + } + runtime.KeepAlive(path) + if start < 0 { + return self.p, types.ParsingError(-start) + } + return start, 0 +} + +func validate_utf8(str string) bool { + return utf8.ValidateString(str) +} diff --git a/vendor/github.com/bytedance/sonic/ast/api_compat.go b/vendor/github.com/bytedance/sonic/ast/api_compat.go new file mode 100644 index 000000000..c6a540cbf --- /dev/null +++ b/vendor/github.com/bytedance/sonic/ast/api_compat.go @@ -0,0 +1,103 @@ +// +build !amd64,!arm64 go1.26 !go1.17 arm64,!go1.20 + +/* +* Copyright 2022 ByteDance Inc. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +package ast + +import ( + `encoding/json` + `unicode/utf8` + + `github.com/bytedance/sonic/internal/native/types` + `github.com/bytedance/sonic/internal/compat` +) + +func init() { + compat.Warn("sonic/ast") +} + +func quote(buf *[]byte, val string) { + quoteString(buf, val) +} + +func (self *Parser) decodeValue() (val types.JsonState) { + e, v := decodeValue(self.s, self.p, self.dbuf == nil) + if e < 0 { + return v + } + self.p = e + return v +} + +func (self *Parser) skip() (int, types.ParsingError) { + e, s := skipValue(self.s, self.p) + if e < 0 { + return self.p, types.ParsingError(-e) + } + self.p = e + return s, 0 +} + +func (self *Parser) skipFast() (int, types.ParsingError) { + e, s := skipValueFast(self.s, self.p) + if e < 0 { + return self.p, types.ParsingError(-e) + } + self.p = e + return s, 0 +} + +func (self *Node) encodeInterface(buf *[]byte) error { + out, err := json.Marshal(self.packAny()) + if err != nil { + return err + } + *buf = append(*buf, out...) + return nil +} + +func (self *Parser) getByPath(validate bool, path ...interface{}) (int, types.ParsingError) { + for _, p := range path { + if idx, ok := p.(int); ok && idx >= 0 { + if err := self.searchIndex(idx); err != 0 { + return self.p, err + } + } else if key, ok := p.(string); ok { + if err := self.searchKey(key); err != 0 { + return self.p, err + } + } else { + panic("path must be either int(>=0) or string") + } + } + + var start int + var e types.ParsingError + if validate { + start, e = self.skip() + } else { + start, e = self.skipFast() + } + if e != 0 { + return self.p, e + } + return start, 0 +} + +func validate_utf8(str string) bool { + return utf8.ValidString(str) +} diff --git a/vendor/github.com/spf13/pflag/go.sum b/vendor/github.com/bytedance/sonic/ast/asm.s similarity index 100% rename from vendor/github.com/spf13/pflag/go.sum rename to vendor/github.com/bytedance/sonic/ast/asm.s diff --git a/vendor/github.com/bytedance/sonic/ast/buffer.go b/vendor/github.com/bytedance/sonic/ast/buffer.go new file mode 100644 index 000000000..04701ef5b --- /dev/null +++ b/vendor/github.com/bytedance/sonic/ast/buffer.go @@ -0,0 +1,470 @@ +/** + * Copyright 2023 ByteDance Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package ast + +import ( + "sort" + "unsafe" + + "github.com/bytedance/sonic/internal/caching" +) + +type nodeChunk [_DEFAULT_NODE_CAP]Node + +type linkedNodes struct { + head nodeChunk + tail []*nodeChunk + size int +} + +func (self *linkedNodes) Cap() int { + if self == nil { + return 0 + } + return (len(self.tail)+1)*_DEFAULT_NODE_CAP +} + +func (self *linkedNodes) Len() int { + if self == nil { + return 0 + } + return self.size +} + +func (self *linkedNodes) At(i int) (*Node) { + if self == nil { + return nil + } + if i >= 0 && i= _DEFAULT_NODE_CAP && i= self.size || target < 0 || target >= self.size { + return + } + // reserve source + n := *self.At(source) + if source < target { + // move every element (source,target] one step back + for i:=source; itarget; i-- { + *self.At(i) = *self.At(i-1) + } + } + // set target + *self.At(target) = n +} + +func (self *linkedNodes) Pop() { + if self == nil || self.size == 0 { + return + } + self.Set(self.size-1, Node{}) + self.size-- +} + +func (self *linkedNodes) Push(v Node) { + self.Set(self.size, v) +} + + +func (self *linkedNodes) Set(i int, v Node) { + if i < _DEFAULT_NODE_CAP { + self.head[i] = v + if self.size <= i { + self.size = i+1 + } + return + } + a, b := i/_DEFAULT_NODE_CAP-1, i%_DEFAULT_NODE_CAP + if a < 0 { + self.head[b] = v + } else { + self.growTailLength(a+1) + var n = &self.tail[a] + if *n == nil { + *n = new(nodeChunk) + } + (*n)[b] = v + } + if self.size <= i { + self.size = i+1 + } +} + +func (self *linkedNodes) growTailLength(l int) { + if l <= len(self.tail) { + return + } + c := cap(self.tail) + for c < l { + c += 1 + c>>_APPEND_GROW_SHIFT + } + if c == cap(self.tail) { + self.tail = self.tail[:l] + return + } + tmp := make([]*nodeChunk, l, c) + copy(tmp, self.tail) + self.tail = tmp +} + +func (self *linkedNodes) ToSlice(con []Node) { + if len(con) < self.size { + return + } + i := (self.size-1) + a, b := i/_DEFAULT_NODE_CAP-1, i%_DEFAULT_NODE_CAP + if a < 0 { + copy(con, self.head[:b+1]) + return + } else { + copy(con, self.head[:]) + con = con[_DEFAULT_NODE_CAP:] + } + + for i:=0; i>_APPEND_GROW_SHIFT + self.tail = make([]*nodeChunk, a+1, c) + } + self.tail = self.tail[:a+1] + + for i:=0; i= 0 && i < _DEFAULT_NODE_CAP && i= _DEFAULT_NODE_CAP && i>_APPEND_GROW_SHIFT + } + if c == cap(self.tail) { + self.tail = self.tail[:l] + return + } + tmp := make([]*pairChunk, l, c) + copy(tmp, self.tail) + self.tail = tmp +} + +// linear search +func (self *linkedPairs) Get(key string) (*Pair, int) { + if self.index != nil { + // fast-path + i, ok := self.index[caching.StrHash(key)] + if ok { + n := self.At(i) + if n.Key == key { + return n, i + } + // hash conflicts + goto linear_search + } else { + return nil, -1 + } + } +linear_search: + for i:=0; i>_APPEND_GROW_SHIFT + self.tail = make([]*pairChunk, a+1, c) + } + self.tail = self.tail[:a+1] + + for i:=0; i len(b) { + l = len(b) + } + for i := d; i < l; i++ { + if a[i] == b[i] { + continue + } + return a[i] < b[i] + } + return len(a) < len(b) +} + +type parseObjectStack struct { + parser Parser + v linkedPairs +} + +type parseArrayStack struct { + parser Parser + v linkedNodes +} + +func newLazyArray(p *Parser) Node { + s := new(parseArrayStack) + s.parser = *p + return Node{ + t: _V_ARRAY_LAZY, + p: unsafe.Pointer(s), + } +} + +func newLazyObject(p *Parser) Node { + s := new(parseObjectStack) + s.parser = *p + return Node{ + t: _V_OBJECT_LAZY, + p: unsafe.Pointer(s), + } +} + +func (self *Node) getParserAndArrayStack() (*Parser, *parseArrayStack) { + stack := (*parseArrayStack)(self.p) + return &stack.parser, stack +} + +func (self *Node) getParserAndObjectStack() (*Parser, *parseObjectStack) { + stack := (*parseObjectStack)(self.p) + return &stack.parser, stack +} + diff --git a/vendor/github.com/bytedance/sonic/ast/decode.go b/vendor/github.com/bytedance/sonic/ast/decode.go new file mode 100644 index 000000000..45f5e2d2b --- /dev/null +++ b/vendor/github.com/bytedance/sonic/ast/decode.go @@ -0,0 +1,557 @@ +/* + * Copyright 2022 ByteDance Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package ast + +import ( + "encoding/base64" + "runtime" + "strconv" + "unsafe" + + "github.com/bytedance/sonic/internal/native/types" + "github.com/bytedance/sonic/internal/rt" + "github.com/bytedance/sonic/internal/utils" + "github.com/bytedance/sonic/unquote" +) + + +var bytesNull = []byte("null") + +const ( + strNull = "null" + bytesTrue = "true" + bytesFalse = "false" + bytesObject = "{}" + bytesArray = "[]" +) + +//go:nocheckptr +func skipBlank(src string, pos int) int { + se := uintptr(rt.IndexChar(src, len(src))) + sp := uintptr(rt.IndexChar(src, pos)) + + for sp < se { + if !utils.IsSpace(*(*byte)(unsafe.Pointer(sp))) { + break + } + sp += 1 + } + if sp >= se { + return -int(types.ERR_EOF) + } + runtime.KeepAlive(src) + return int(sp - uintptr(rt.IndexChar(src, 0))) +} + +func decodeNull(src string, pos int) (ret int) { + ret = pos + 4 + if ret > len(src) { + return -int(types.ERR_EOF) + } + if src[pos:ret] == strNull { + return ret + } else { + return -int(types.ERR_INVALID_CHAR) + } +} + +func decodeTrue(src string, pos int) (ret int) { + ret = pos + 4 + if ret > len(src) { + return -int(types.ERR_EOF) + } + if src[pos:ret] == bytesTrue { + return ret + } else { + return -int(types.ERR_INVALID_CHAR) + } + +} + +func decodeFalse(src string, pos int) (ret int) { + ret = pos + 5 + if ret > len(src) { + return -int(types.ERR_EOF) + } + if src[pos:ret] == bytesFalse { + return ret + } + return -int(types.ERR_INVALID_CHAR) +} + +//go:nocheckptr +func decodeString(src string, pos int) (ret int, v string) { + ret, ep := skipString(src, pos) + if ep == -1 { + (*rt.GoString)(unsafe.Pointer(&v)).Ptr = rt.IndexChar(src, pos+1) + (*rt.GoString)(unsafe.Pointer(&v)).Len = ret - pos - 2 + return ret, v + } + + result, err := unquote.String(src[pos:ret]) + if err != 0 { + return -int(types.ERR_INVALID_CHAR), "" + } + + runtime.KeepAlive(src) + return ret, result +} + +func decodeBinary(src string, pos int) (ret int, v []byte) { + var vv string + ret, vv = decodeString(src, pos) + if ret < 0 { + return ret, nil + } + var err error + v, err = base64.StdEncoding.DecodeString(vv) + if err != nil { + return -int(types.ERR_INVALID_CHAR), nil + } + return ret, v +} + +func isDigit(c byte) bool { + return c >= '0' && c <= '9' +} + +//go:nocheckptr +func decodeInt64(src string, pos int) (ret int, v int64, err error) { + sp := uintptr(rt.IndexChar(src, pos)) + ss := uintptr(sp) + se := uintptr(rt.IndexChar(src, len(src))) + if uintptr(sp) >= se { + return -int(types.ERR_EOF), 0, nil + } + + if c := *(*byte)(unsafe.Pointer(sp)); c == '-' { + sp += 1 + } + if sp == se { + return -int(types.ERR_EOF), 0, nil + } + + for ; sp < se; sp += uintptr(1) { + if !isDigit(*(*byte)(unsafe.Pointer(sp))) { + break + } + } + + if sp < se { + if c := *(*byte)(unsafe.Pointer(sp)); c == '.' || c == 'e' || c == 'E' { + return -int(types.ERR_INVALID_NUMBER_FMT), 0, nil + } + } + + var vv string + ret = int(uintptr(sp) - uintptr((*rt.GoString)(unsafe.Pointer(&src)).Ptr)) + (*rt.GoString)(unsafe.Pointer(&vv)).Ptr = unsafe.Pointer(ss) + (*rt.GoString)(unsafe.Pointer(&vv)).Len = ret - pos + + v, err = strconv.ParseInt(vv, 10, 64) + if err != nil { + //NOTICE: allow overflow here + if err.(*strconv.NumError).Err == strconv.ErrRange { + return ret, 0, err + } + return -int(types.ERR_INVALID_CHAR), 0, err + } + + runtime.KeepAlive(src) + return ret, v, nil +} + +func isNumberChars(c byte) bool { + return (c >= '0' && c <= '9') || c == '+' || c == '-' || c == 'e' || c == 'E' || c == '.' +} + +//go:nocheckptr +func decodeFloat64(src string, pos int) (ret int, v float64, err error) { + sp := uintptr(rt.IndexChar(src, pos)) + ss := uintptr(sp) + se := uintptr(rt.IndexChar(src, len(src))) + if uintptr(sp) >= se { + return -int(types.ERR_EOF), 0, nil + } + + if c := *(*byte)(unsafe.Pointer(sp)); c == '-' { + sp += 1 + } + if sp == se { + return -int(types.ERR_EOF), 0, nil + } + + for ; sp < se; sp += uintptr(1) { + if !isNumberChars(*(*byte)(unsafe.Pointer(sp))) { + break + } + } + + var vv string + ret = int(uintptr(sp) - uintptr((*rt.GoString)(unsafe.Pointer(&src)).Ptr)) + (*rt.GoString)(unsafe.Pointer(&vv)).Ptr = unsafe.Pointer(ss) + (*rt.GoString)(unsafe.Pointer(&vv)).Len = ret - pos + + v, err = strconv.ParseFloat(vv, 64) + if err != nil { + //NOTICE: allow overflow here + if err.(*strconv.NumError).Err == strconv.ErrRange { + return ret, 0, err + } + return -int(types.ERR_INVALID_CHAR), 0, err + } + + runtime.KeepAlive(src) + return ret, v, nil +} + +func decodeValue(src string, pos int, skipnum bool) (ret int, v types.JsonState) { + pos = skipBlank(src, pos) + if pos < 0 { + return pos, types.JsonState{Vt: types.ValueType(pos)} + } + switch c := src[pos]; c { + case 'n': + ret = decodeNull(src, pos) + if ret < 0 { + return ret, types.JsonState{Vt: types.ValueType(ret)} + } + return ret, types.JsonState{Vt: types.V_NULL} + case '"': + var ep int + ret, ep = skipString(src, pos) + if ret < 0 { + return ret, types.JsonState{Vt: types.ValueType(ret)} + } + return ret, types.JsonState{Vt: types.V_STRING, Iv: int64(pos + 1), Ep: ep} + case '{': + return pos + 1, types.JsonState{Vt: types.V_OBJECT} + case '[': + return pos + 1, types.JsonState{Vt: types.V_ARRAY} + case 't': + ret = decodeTrue(src, pos) + if ret < 0 { + return ret, types.JsonState{Vt: types.ValueType(ret)} + } + return ret, types.JsonState{Vt: types.V_TRUE} + case 'f': + ret = decodeFalse(src, pos) + if ret < 0 { + return ret, types.JsonState{Vt: types.ValueType(ret)} + } + return ret, types.JsonState{Vt: types.V_FALSE} + case '-', '+', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': + if skipnum { + ret = skipNumber(src, pos) + if ret >= 0 { + return ret, types.JsonState{Vt: types.V_DOUBLE, Iv: 0, Ep: pos} + } else { + return ret, types.JsonState{Vt: types.ValueType(ret)} + } + } else { + var iv int64 + ret, iv, _ = decodeInt64(src, pos) + if ret >= 0 { + return ret, types.JsonState{Vt: types.V_INTEGER, Iv: iv, Ep: pos} + } else if ret != -int(types.ERR_INVALID_NUMBER_FMT) { + return ret, types.JsonState{Vt: types.ValueType(ret)} + } + var fv float64 + ret, fv, _ = decodeFloat64(src, pos) + if ret >= 0 { + return ret, types.JsonState{Vt: types.V_DOUBLE, Dv: fv, Ep: pos} + } else { + return ret, types.JsonState{Vt: types.ValueType(ret)} + } + } + + default: + return -int(types.ERR_INVALID_CHAR), types.JsonState{Vt:-types.ValueType(types.ERR_INVALID_CHAR)} + } +} + +//go:nocheckptr +func skipNumber(src string, pos int) (ret int) { + return utils.SkipNumber(src, pos) +} + +//go:nocheckptr +func skipString(src string, pos int) (ret int, ep int) { + if pos+1 >= len(src) { + return -int(types.ERR_EOF), -1 + } + + sp := uintptr(rt.IndexChar(src, pos)) + se := uintptr(rt.IndexChar(src, len(src))) + + // not start with quote + if *(*byte)(unsafe.Pointer(sp)) != '"' { + return -int(types.ERR_INVALID_CHAR), -1 + } + sp += 1 + + ep = -1 + for sp < se { + c := *(*byte)(unsafe.Pointer(sp)) + if c == '\\' { + if ep == -1 { + ep = int(uintptr(sp) - uintptr((*rt.GoString)(unsafe.Pointer(&src)).Ptr)) + } + sp += 2 + continue + } + sp += 1 + if c == '"' { + return int(uintptr(sp) - uintptr((*rt.GoString)(unsafe.Pointer(&src)).Ptr)), ep + } + } + + runtime.KeepAlive(src) + // not found the closed quote until EOF + return -int(types.ERR_EOF), -1 +} + +//go:nocheckptr +func skipPair(src string, pos int, lchar byte, rchar byte) (ret int) { + if pos+1 >= len(src) { + return -int(types.ERR_EOF) + } + + sp := uintptr(rt.IndexChar(src, pos)) + se := uintptr(rt.IndexChar(src, len(src))) + + if *(*byte)(unsafe.Pointer(sp)) != lchar { + return -int(types.ERR_INVALID_CHAR) + } + + sp += 1 + nbrace := 1 + inquote := false + + for sp < se { + c := *(*byte)(unsafe.Pointer(sp)) + if c == '\\' { + sp += 2 + continue + } else if c == '"' { + inquote = !inquote + } else if c == lchar { + if !inquote { + nbrace += 1 + } + } else if c == rchar { + if !inquote { + nbrace -= 1 + if nbrace == 0 { + sp += 1 + break + } + } + } + sp += 1 + } + + if nbrace != 0 { + return -int(types.ERR_INVALID_CHAR) + } + + runtime.KeepAlive(src) + return int(uintptr(sp) - uintptr((*rt.GoString)(unsafe.Pointer(&src)).Ptr)) +} + +func skipValueFast(src string, pos int) (ret int, start int) { + pos = skipBlank(src, pos) + if pos < 0 { + return pos, -1 + } + switch c := src[pos]; c { + case 'n': + ret = decodeNull(src, pos) + case '"': + ret, _ = skipString(src, pos) + case '{': + ret = skipPair(src, pos, '{', '}') + case '[': + ret = skipPair(src, pos, '[', ']') + case 't': + ret = decodeTrue(src, pos) + case 'f': + ret = decodeFalse(src, pos) + case '-', '+', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': + ret = skipNumber(src, pos) + default: + ret = -int(types.ERR_INVALID_CHAR) + } + return ret, pos +} + +func skipValue(src string, pos int) (ret int, start int) { + pos = skipBlank(src, pos) + if pos < 0 { + return pos, -1 + } + switch c := src[pos]; c { + case 'n': + ret = decodeNull(src, pos) + case '"': + ret, _ = skipString(src, pos) + case '{': + ret, _ = skipObject(src, pos) + case '[': + ret, _ = skipArray(src, pos) + case 't': + ret = decodeTrue(src, pos) + case 'f': + ret = decodeFalse(src, pos) + case '-', '+', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': + ret = skipNumber(src, pos) + default: + ret = -int(types.ERR_INVALID_CHAR) + } + return ret, pos +} + +func skipObject(src string, pos int) (ret int, start int) { + start = skipBlank(src, pos) + if start < 0 { + return start, -1 + } + + if src[start] != '{' { + return -int(types.ERR_INVALID_CHAR), -1 + } + + pos = start + 1 + pos = skipBlank(src, pos) + if pos < 0 { + return pos, -1 + } + if src[pos] == '}' { + return pos + 1, start + } + + for { + pos, _ = skipString(src, pos) + if pos < 0 { + return pos, -1 + } + + pos = skipBlank(src, pos) + if pos < 0 { + return pos, -1 + } + if src[pos] != ':' { + return -int(types.ERR_INVALID_CHAR), -1 + } + + pos++ + pos, _ = skipValue(src, pos) + if pos < 0 { + return pos, -1 + } + + pos = skipBlank(src, pos) + if pos < 0 { + return pos, -1 + } + if src[pos] == '}' { + return pos + 1, start + } + if src[pos] != ',' { + return -int(types.ERR_INVALID_CHAR), -1 + } + + pos++ + pos = skipBlank(src, pos) + if pos < 0 { + return pos, -1 + } + + } +} + +func skipArray(src string, pos int) (ret int, start int) { + start = skipBlank(src, pos) + if start < 0 { + return start, -1 + } + + if src[start] != '[' { + return -int(types.ERR_INVALID_CHAR), -1 + } + + pos = start + 1 + pos = skipBlank(src, pos) + if pos < 0 { + return pos, -1 + } + if src[pos] == ']' { + return pos + 1, start + } + + for { + pos, _ = skipValue(src, pos) + if pos < 0 { + return pos, -1 + } + + pos = skipBlank(src, pos) + if pos < 0 { + return pos, -1 + } + if src[pos] == ']' { + return pos + 1, start + } + if src[pos] != ',' { + return -int(types.ERR_INVALID_CHAR), -1 + } + pos++ + } +} + +// DecodeString decodes a JSON string from pos and return golang string. +// - needEsc indicates if to unescaped escaping chars +// - hasEsc tells if the returned string has escaping chars +// - validStr enables validating UTF8 charset +// +func _DecodeString(src string, pos int, needEsc bool, validStr bool) (v string, ret int, hasEsc bool) { + p := NewParserObj(src) + p.p = pos + switch val := p.decodeValue(); val.Vt { + case types.V_STRING: + str := p.s[val.Iv : p.p-1] + if validStr && !validate_utf8(str) { + return "", -int(types.ERR_INVALID_UTF8), false + } + /* fast path: no escape sequence */ + if val.Ep == -1 { + return str, p.p, false + } else if !needEsc { + return str, p.p, true + } + /* unquote the string */ + out, err := unquote.String(str) + /* check for errors */ + if err != 0 { + return "", -int(err), true + } else { + return out, p.p, true + } + default: + return "", -int(_ERR_UNSUPPORT_TYPE), false + } +} diff --git a/vendor/github.com/bytedance/sonic/ast/encode.go b/vendor/github.com/bytedance/sonic/ast/encode.go new file mode 100644 index 000000000..9401a6610 --- /dev/null +++ b/vendor/github.com/bytedance/sonic/ast/encode.go @@ -0,0 +1,280 @@ +/* + * Copyright 2021 ByteDance Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package ast + +import ( + "sync" + "unicode/utf8" + + "github.com/bytedance/gopkg/lang/dirtmake" + "github.com/bytedance/sonic/internal/rt" + "github.com/bytedance/sonic/option" +) + +func quoteString(e *[]byte, s string) { + *e = append(*e, '"') + start := 0 + for i := 0; i < len(s); { + if b := s[i]; b < utf8.RuneSelf { + if rt.SafeSet[b] { + i++ + continue + } + if start < i { + *e = append(*e, s[start:i]...) + } + *e = append(*e, '\\') + switch b { + case '\\', '"': + *e = append(*e, b) + case '\n': + *e = append(*e, 'n') + case '\r': + *e = append(*e, 'r') + case '\t': + *e = append(*e, 't') + default: + // This encodes bytes < 0x20 except for \t, \n and \r. + // If escapeHTML is set, it also escapes <, >, and & + // because they can lead to security holes when + // user-controlled strings are rendered into JSON + // and served to some browsers. + *e = append(*e, `u00`...) + *e = append(*e, rt.Hex[b>>4]) + *e = append(*e, rt.Hex[b&0xF]) + } + i++ + start = i + continue + } + c, size := utf8.DecodeRuneInString(s[i:]) + // if c == utf8.RuneError && size == 1 { + // if start < i { + // e.Write(s[start:i]) + // } + // e.WriteString(`\ufffd`) + // i += size + // start = i + // continue + // } + if c == '\u2028' || c == '\u2029' { + if start < i { + *e = append(*e, s[start:i]...) + } + *e = append(*e, `\u202`...) + *e = append(*e, rt.Hex[c&0xF]) + i += size + start = i + continue + } + i += size + } + if start < len(s) { + *e = append(*e, s[start:]...) + } + *e = append(*e, '"') +} + +var bytesPool = sync.Pool{} + +func (self *Node) MarshalJSON() ([]byte, error) { + if self == nil { + return bytesNull, nil + } + + // fast path for raw node + if self.isRaw() { + return rt.Str2Mem(self.toString()), nil + } + + buf := newBuffer() + err := self.encode(buf) + if err != nil { + freeBuffer(buf) + return nil, err + } + var ret []byte + if !rt.CanSizeResue(cap(*buf)) { + ret = *buf + } else { + ret = dirtmake.Bytes(len(*buf), len(*buf)) + copy(ret, *buf) + freeBuffer(buf) + } + return ret, err +} + +func newBuffer() *[]byte { + if ret := bytesPool.Get(); ret != nil { + return ret.(*[]byte) + } else { + buf := make([]byte, 0, option.DefaultAstBufferSize) + return &buf + } +} + +func freeBuffer(buf *[]byte) { + if !rt.CanSizeResue(cap(*buf)) { + return + } + *buf = (*buf)[:0] + bytesPool.Put(buf) +} + +func (self *Node) encode(buf *[]byte) error { + if self.isRaw() { + return self.encodeRaw(buf) + } + switch int(self.itype()) { + case V_NONE : return ErrNotExist + case V_ERROR : return self.Check() + case V_NULL : return self.encodeNull(buf) + case V_TRUE : return self.encodeTrue(buf) + case V_FALSE : return self.encodeFalse(buf) + case V_ARRAY : return self.encodeArray(buf) + case V_OBJECT: return self.encodeObject(buf) + case V_STRING: return self.encodeString(buf) + case V_NUMBER: return self.encodeNumber(buf) + case V_ANY : return self.encodeInterface(buf) + default : return ErrUnsupportType + } +} + +func (self *Node) encodeRaw(buf *[]byte) error { + lock := self.rlock() + if !self.isRaw() { + self.runlock() + return self.encode(buf) + } + raw := self.toString() + if lock { + self.runlock() + } + *buf = append(*buf, raw...) + return nil +} + +func (self *Node) encodeNull(buf *[]byte) error { + *buf = append(*buf, strNull...) + return nil +} + +func (self *Node) encodeTrue(buf *[]byte) error { + *buf = append(*buf, bytesTrue...) + return nil +} + +func (self *Node) encodeFalse(buf *[]byte) error { + *buf = append(*buf, bytesFalse...) + return nil +} + +func (self *Node) encodeNumber(buf *[]byte) error { + str := self.toString() + *buf = append(*buf, str...) + return nil +} + +func (self *Node) encodeString(buf *[]byte) error { + if self.l == 0 { + *buf = append(*buf, '"', '"') + return nil + } + + quote(buf, self.toString()) + return nil +} + +func (self *Node) encodeArray(buf *[]byte) error { + if self.isLazy() { + if err := self.skipAllIndex(); err != nil { + return err + } + } + + nb := self.len() + if nb == 0 { + *buf = append(*buf, bytesArray...) + return nil + } + + *buf = append(*buf, '[') + + var started bool + for i := 0; i < nb; i++ { + n := self.nodeAt(i) + if !n.Exists() { + continue + } + if started { + *buf = append(*buf, ',') + } + started = true + if err := n.encode(buf); err != nil { + return err + } + } + + *buf = append(*buf, ']') + return nil +} + +func (self *Pair) encode(buf *[]byte) error { + if len(*buf) == 0 { + *buf = append(*buf, '"', '"', ':') + return self.Value.encode(buf) + } + + quote(buf, self.Key) + *buf = append(*buf, ':') + + return self.Value.encode(buf) +} + +func (self *Node) encodeObject(buf *[]byte) error { + if self.isLazy() { + if err := self.skipAllKey(); err != nil { + return err + } + } + + nb := self.len() + if nb == 0 { + *buf = append(*buf, bytesObject...) + return nil + } + + *buf = append(*buf, '{') + + var started bool + for i := 0; i < nb; i++ { + n := self.pairAt(i) + if n == nil || !n.Value.Exists() { + continue + } + if started { + *buf = append(*buf, ',') + } + started = true + if err := n.encode(buf); err != nil { + return err + } + } + + *buf = append(*buf, '}') + return nil +} diff --git a/vendor/github.com/bytedance/sonic/ast/error.go b/vendor/github.com/bytedance/sonic/ast/error.go new file mode 100644 index 000000000..3716e7a91 --- /dev/null +++ b/vendor/github.com/bytedance/sonic/ast/error.go @@ -0,0 +1,134 @@ +package ast + +import ( + `fmt` + `strings` + `unsafe` + + `github.com/bytedance/sonic/internal/native/types` +) + + +func newError(err types.ParsingError, msg string) *Node { + return &Node{ + t: V_ERROR, + l: uint(err), + p: unsafe.Pointer(&msg), + } +} + +func newErrorPair(err SyntaxError) *Pair { + return &Pair{0, "", *newSyntaxError(err)} +} + +// Error returns error message if the node is invalid +func (self Node) Error() string { + if self.t != V_ERROR { + return "" + } else { + return *(*string)(self.p) + } +} + +func newSyntaxError(err SyntaxError) *Node { + msg := err.Description() + return &Node{ + t: V_ERROR, + l: uint(err.Code), + p: unsafe.Pointer(&msg), + } +} + +func (self *Parser) syntaxError(err types.ParsingError) SyntaxError { + return SyntaxError{ + Pos : self.p, + Src : self.s, + Code: err, + } +} + +func unwrapError(err error) *Node { + if se, ok := err.(*Node); ok { + return se + }else if sse, ok := err.(Node); ok { + return &sse + } else { + msg := err.Error() + return &Node{ + t: V_ERROR, + p: unsafe.Pointer(&msg), + } + } +} + +type SyntaxError struct { + Pos int + Src string + Code types.ParsingError + Msg string +} + +func (self SyntaxError) Error() string { + return fmt.Sprintf("%q", self.Description()) +} + +func (self SyntaxError) Description() string { + return "Syntax error " + self.description() +} + +func (self SyntaxError) description() string { + i := 16 + p := self.Pos - i + q := self.Pos + i + + /* check for empty source */ + if self.Src == "" { + return fmt.Sprintf("no sources available, the input json is empty: %#v", self) + } + + /* prevent slicing before the beginning */ + if p < 0 { + p, q, i = 0, q - p, i + p + } + + /* prevent slicing beyond the end */ + if n := len(self.Src); q > n { + n = q - n + q = len(self.Src) + + /* move the left bound if possible */ + if p > n { + i += n + p -= n + } + } + + /* left and right length */ + x := clamp_zero(i) + y := clamp_zero(q - p - i - 1) + + /* compose the error description */ + return fmt.Sprintf( + "at index %d: %s\n\n\t%s\n\t%s^%s\n", + self.Pos, + self.Message(), + self.Src[p:q], + strings.Repeat(".", x), + strings.Repeat(".", y), + ) +} + +func (self SyntaxError) Message() string { + if self.Msg == "" { + return self.Code.Message() + } + return self.Msg +} + +func clamp_zero(v int) int { + if v < 0 { + return 0 + } else { + return v + } +} diff --git a/vendor/github.com/bytedance/sonic/ast/iterator.go b/vendor/github.com/bytedance/sonic/ast/iterator.go new file mode 100644 index 000000000..978028a65 --- /dev/null +++ b/vendor/github.com/bytedance/sonic/ast/iterator.go @@ -0,0 +1,216 @@ +/* + * Copyright 2021 ByteDance Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package ast + +import ( + "fmt" + + "github.com/bytedance/sonic/internal/caching" + "github.com/bytedance/sonic/internal/native/types" +) + +type Pair struct { + hash uint64 + Key string + Value Node +} + +func NewPair(key string, val Node) Pair { + return Pair{ + hash: caching.StrHash(key), + Key: key, + Value: val, + } +} + +// Values returns iterator for array's children traversal +func (self *Node) Values() (ListIterator, error) { + if err := self.should(types.V_ARRAY); err != nil { + return ListIterator{}, err + } + return self.values(), nil +} + +func (self *Node) values() ListIterator { + return ListIterator{Iterator{p: self}} +} + +// Properties returns iterator for object's children traversal +func (self *Node) Properties() (ObjectIterator, error) { + if err := self.should(types.V_OBJECT); err != nil { + return ObjectIterator{}, err + } + return self.properties(), nil +} + +func (self *Node) properties() ObjectIterator { + return ObjectIterator{Iterator{p: self}} +} + +type Iterator struct { + i int + p *Node +} + +func (self *Iterator) Pos() int { + return self.i +} + +func (self *Iterator) Len() int { + return self.p.len() +} + +// HasNext reports if it is the end of iteration or has error. +func (self *Iterator) HasNext() bool { + if !self.p.isLazy() { + return self.p.Valid() && self.i < self.p.len() + } else if self.p.t == _V_ARRAY_LAZY { + return self.p.skipNextNode().Valid() + } else if self.p.t == _V_OBJECT_LAZY { + pair := self.p.skipNextPair() + if pair == nil { + return false + } + return pair.Value.Valid() + } + return false +} + +// ListIterator is specialized iterator for V_ARRAY +type ListIterator struct { + Iterator +} + +// ObjectIterator is specialized iterator for V_ARRAY +type ObjectIterator struct { + Iterator +} + +func (self *ListIterator) next() *Node { +next_start: + if !self.HasNext() { + return nil + } else { + n := self.p.nodeAt(self.i) + self.i++ + if !n.Exists() { + goto next_start + } + return n + } +} + +// Next scans through children of underlying V_ARRAY, +// copies each child to v, and returns .HasNext(). +func (self *ListIterator) Next(v *Node) bool { + n := self.next() + if n == nil { + return false + } + *v = *n + return true +} + +func (self *ObjectIterator) next() *Pair { +next_start: + if !self.HasNext() { + return nil + } else { + n := self.p.pairAt(self.i) + self.i++ + if n == nil || !n.Value.Exists() { + goto next_start + } + return n + } +} + +// Next scans through children of underlying V_OBJECT, +// copies each child to v, and returns .HasNext(). +func (self *ObjectIterator) Next(p *Pair) bool { + n := self.next() + if n == nil { + return false + } + *p = *n + return true +} + +// Sequence represents scanning path of single-layer nodes. +// Index indicates the value's order in both V_ARRAY and V_OBJECT json. +// Key is the value's key (for V_OBJECT json only, otherwise it will be nil). +type Sequence struct { + Index int + Key *string + // Level int +} + +// String is string representation of one Sequence +func (s Sequence) String() string { + k := "" + if s.Key != nil { + k = *s.Key + } + return fmt.Sprintf("Sequence(%d, %q)", s.Index, k) +} + +type Scanner func(path Sequence, node *Node) bool + +// ForEach scans one V_OBJECT node's children from JSON head to tail, +// and pass the Sequence and Node of corresponding JSON value. +// +// Especially, if the node is not V_ARRAY or V_OBJECT, +// the node itself will be returned and Sequence.Index == -1. +// +// NOTICE: An unset node WON'T trigger sc, but its index still counts into Path.Index +func (self *Node) ForEach(sc Scanner) error { + if err := self.checkRaw(); err != nil { + return err + } + switch self.itype() { + case types.V_ARRAY: + iter, err := self.Values() + if err != nil { + return err + } + v := iter.next() + for v != nil { + if !sc(Sequence{iter.i-1, nil}, v) { + return nil + } + v = iter.next() + } + case types.V_OBJECT: + iter, err := self.Properties() + if err != nil { + return err + } + v := iter.next() + for v != nil { + if !sc(Sequence{iter.i-1, &v.Key}, &v.Value) { + return nil + } + v = iter.next() + } + default: + if self.Check() != nil { + return self + } + sc(Sequence{-1, nil}, self) + } + return nil +} diff --git a/vendor/github.com/bytedance/sonic/ast/node.go b/vendor/github.com/bytedance/sonic/ast/node.go new file mode 100644 index 000000000..6ea5f52ae --- /dev/null +++ b/vendor/github.com/bytedance/sonic/ast/node.go @@ -0,0 +1,1860 @@ +/* + * Copyright 2021 ByteDance Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package ast + +import ( + "encoding/json" + "fmt" + "strconv" + "sync" + "sync/atomic" + "unsafe" + + "github.com/bytedance/sonic/internal/native/types" + "github.com/bytedance/sonic/internal/rt" +) + +const ( + _V_NONE types.ValueType = 0 + _V_NODE_BASE types.ValueType = 1 << 5 + _V_LAZY types.ValueType = 1 << 7 + _V_RAW types.ValueType = 1 << 8 + _V_NUMBER = _V_NODE_BASE + 1 + _V_ANY = _V_NODE_BASE + 2 + _V_ARRAY_LAZY = _V_LAZY | types.V_ARRAY + _V_OBJECT_LAZY = _V_LAZY | types.V_OBJECT + _MASK_LAZY = _V_LAZY - 1 + _MASK_RAW = _V_RAW - 1 +) + +const ( + V_NONE = 0 + V_ERROR = 1 + V_NULL = int(types.V_NULL) + V_TRUE = int(types.V_TRUE) + V_FALSE = int(types.V_FALSE) + V_ARRAY = int(types.V_ARRAY) + V_OBJECT = int(types.V_OBJECT) + V_STRING = int(types.V_STRING) + V_NUMBER = int(_V_NUMBER) + V_ANY = int(_V_ANY) +) + +type Node struct { + t types.ValueType + l uint + p unsafe.Pointer + m *sync.RWMutex +} + +// UnmarshalJSON is just an adapter to json.Unmarshaler. +// If you want better performance, use Searcher.GetByPath() directly +func (self *Node) UnmarshalJSON(data []byte) (err error) { + *self = newRawNode(rt.Mem2Str(data), switchRawType(data[0]), false) + return nil +} + +/** Node Type Accessor **/ + +// Type returns json type represented by the node +// It will be one of bellows: +// V_NONE = 0 (empty node, key not exists) +// V_ERROR = 1 (error node) +// V_NULL = 2 (json value `null`, key exists) +// V_TRUE = 3 (json value `true`) +// V_FALSE = 4 (json value `false`) +// V_ARRAY = 5 (json value array) +// V_OBJECT = 6 (json value object) +// V_STRING = 7 (json value string) +// V_NUMBER = 33 (json value number ) +// V_ANY = 34 (golang interface{}) +// +// Deprecated: not concurrent safe. Use TypeSafe instead +func (self Node) Type() int { + return int(self.t & _MASK_LAZY & _MASK_RAW) +} + +// Type concurrently-safe returns json type represented by the node +// It will be one of bellows: +// V_NONE = 0 (empty node, key not exists) +// V_ERROR = 1 (error node) +// V_NULL = 2 (json value `null`, key exists) +// V_TRUE = 3 (json value `true`) +// V_FALSE = 4 (json value `false`) +// V_ARRAY = 5 (json value array) +// V_OBJECT = 6 (json value object) +// V_STRING = 7 (json value string) +// V_NUMBER = 33 (json value number ) +// V_ANY = 34 (golang interface{}) +func (self *Node) TypeSafe() int { + return int(self.loadt() & _MASK_LAZY & _MASK_RAW) +} + +func (self *Node) itype() types.ValueType { + return self.t & _MASK_LAZY & _MASK_RAW +} + +// Exists returns false only if the self is nil or empty node V_NONE +func (self *Node) Exists() bool { + if self == nil { + return false + } + t := self.loadt() + return t != V_ERROR && t != _V_NONE +} + +// Valid reports if self is NOT V_ERROR or nil +func (self *Node) Valid() bool { + if self == nil { + return false + } + return self.loadt() != V_ERROR +} + +// Check checks if the node itself is valid, and return: +// - ErrNotExist If the node is nil +// - Its underlying error If the node is V_ERROR +func (self *Node) Check() error { + if self == nil { + return ErrNotExist + } else if self.loadt() != V_ERROR { + return nil + } else { + return self + } +} + +// isRaw returns true if node's underlying value is raw json +// +// Deprecated: not concurrent safe +func (self Node) IsRaw() bool { + return self.t & _V_RAW != 0 +} + +// IsRaw returns true if node's underlying value is raw json +func (self *Node) isRaw() bool { + return self.loadt() & _V_RAW != 0 +} + +func (self *Node) isLazy() bool { + return self != nil && self.t & _V_LAZY != 0 +} + +func (self *Node) isAny() bool { + return self != nil && self.loadt() == _V_ANY +} + +/** Simple Value Methods **/ + +// Raw returns json representation of the node, +func (self *Node) Raw() (string, error) { + if self == nil { + return "", ErrNotExist + } + lock := self.rlock() + if !self.isRaw() { + if lock { + self.runlock() + } + buf, err := self.MarshalJSON() + return rt.Mem2Str(buf), err + } + ret := self.toString() + if lock { + self.runlock() + } + return ret, nil +} + +func (self *Node) checkRaw() error { + if err := self.Check(); err != nil { + return err + } + if self.isRaw() { + self.parseRaw(false) + } + return self.Check() +} + +// Bool returns bool value represented by this node, +// including types.V_TRUE|V_FALSE|V_NUMBER|V_STRING|V_ANY|V_NULL, +// V_NONE will return error +func (self *Node) Bool() (bool, error) { + if err := self.checkRaw(); err != nil { + return false, err + } + switch self.t { + case types.V_TRUE : return true , nil + case types.V_FALSE : return false, nil + case types.V_NULL : return false, nil + case _V_NUMBER : + if i, err := self.toInt64(); err == nil { + return i != 0, nil + } else if f, err := self.toFloat64(); err == nil { + return f != 0, nil + } else { + return false, err + } + case types.V_STRING: return strconv.ParseBool(self.toString()) + case _V_ANY : + any := self.packAny() + switch v := any.(type) { + case bool : return v, nil + case int : return v != 0, nil + case int8 : return v != 0, nil + case int16 : return v != 0, nil + case int32 : return v != 0, nil + case int64 : return v != 0, nil + case uint : return v != 0, nil + case uint8 : return v != 0, nil + case uint16 : return v != 0, nil + case uint32 : return v != 0, nil + case uint64 : return v != 0, nil + case float32: return v != 0, nil + case float64: return v != 0, nil + case string : return strconv.ParseBool(v) + case json.Number: + if i, err := v.Int64(); err == nil { + return i != 0, nil + } else if f, err := v.Float64(); err == nil { + return f != 0, nil + } else { + return false, err + } + default: return false, ErrUnsupportType + } + default : return false, ErrUnsupportType + } +} + +// Int64 casts the node to int64 value, +// including V_NUMBER|V_TRUE|V_FALSE|V_ANY|V_STRING +// V_NONE it will return error +func (self *Node) Int64() (int64, error) { + if err := self.checkRaw(); err != nil { + return 0, err + } + switch self.t { + case _V_NUMBER, types.V_STRING : + if i, err := self.toInt64(); err == nil { + return i, nil + } else if f, err := self.toFloat64(); err == nil { + return int64(f), nil + } else { + return 0, err + } + case types.V_TRUE : return 1, nil + case types.V_FALSE : return 0, nil + case types.V_NULL : return 0, nil + case _V_ANY : + any := self.packAny() + switch v := any.(type) { + case bool : if v { return 1, nil } else { return 0, nil } + case int : return int64(v), nil + case int8 : return int64(v), nil + case int16 : return int64(v), nil + case int32 : return int64(v), nil + case int64 : return int64(v), nil + case uint : return int64(v), nil + case uint8 : return int64(v), nil + case uint16 : return int64(v), nil + case uint32 : return int64(v), nil + case uint64 : return int64(v), nil + case float32: return int64(v), nil + case float64: return int64(v), nil + case string : + if i, err := strconv.ParseInt(v, 10, 64); err == nil { + return i, nil + } else if f, err := strconv.ParseFloat(v, 64); err == nil { + return int64(f), nil + } else { + return 0, err + } + case json.Number: + if i, err := v.Int64(); err == nil { + return i, nil + } else if f, err := v.Float64(); err == nil { + return int64(f), nil + } else { + return 0, err + } + default: return 0, ErrUnsupportType + } + default : return 0, ErrUnsupportType + } +} + +// StrictInt64 exports underlying int64 value, including V_NUMBER, V_ANY +func (self *Node) StrictInt64() (int64, error) { + if err := self.checkRaw(); err != nil { + return 0, err + } + switch self.t { + case _V_NUMBER : return self.toInt64() + case _V_ANY : + any := self.packAny() + switch v := any.(type) { + case int : return int64(v), nil + case int8 : return int64(v), nil + case int16 : return int64(v), nil + case int32 : return int64(v), nil + case int64 : return int64(v), nil + case uint : return int64(v), nil + case uint8 : return int64(v), nil + case uint16: return int64(v), nil + case uint32: return int64(v), nil + case uint64: return int64(v), nil + case json.Number: + if i, err := v.Int64(); err == nil { + return i, nil + } else { + return 0, err + } + default: return 0, ErrUnsupportType + } + default : return 0, ErrUnsupportType + } +} + +func castNumber(v bool) json.Number { + if v { + return json.Number("1") + } else { + return json.Number("0") + } +} + +// Number casts node to float64, +// including V_NUMBER|V_TRUE|V_FALSE|V_ANY|V_STRING|V_NULL, +// V_NONE it will return error +func (self *Node) Number() (json.Number, error) { + if err := self.checkRaw(); err != nil { + return json.Number(""), err + } + switch self.t { + case _V_NUMBER : return self.toNumber(), nil + case types.V_STRING : + if _, err := self.toInt64(); err == nil { + return self.toNumber(), nil + } else if _, err := self.toFloat64(); err == nil { + return self.toNumber(), nil + } else { + return json.Number(""), err + } + case types.V_TRUE : return json.Number("1"), nil + case types.V_FALSE : return json.Number("0"), nil + case types.V_NULL : return json.Number("0"), nil + case _V_ANY : + any := self.packAny() + switch v := any.(type) { + case bool : return castNumber(v), nil + case int : return castNumber(v != 0), nil + case int8 : return castNumber(v != 0), nil + case int16 : return castNumber(v != 0), nil + case int32 : return castNumber(v != 0), nil + case int64 : return castNumber(v != 0), nil + case uint : return castNumber(v != 0), nil + case uint8 : return castNumber(v != 0), nil + case uint16 : return castNumber(v != 0), nil + case uint32 : return castNumber(v != 0), nil + case uint64 : return castNumber(v != 0), nil + case float32: return castNumber(v != 0), nil + case float64: return castNumber(v != 0), nil + case string : + if _, err := strconv.ParseFloat(v, 64); err == nil { + return json.Number(v), nil + } else { + return json.Number(""), err + } + case json.Number: return v, nil + default: return json.Number(""), ErrUnsupportType + } + default : return json.Number(""), ErrUnsupportType + } +} + +// Number exports underlying float64 value, including V_NUMBER, V_ANY of json.Number +func (self *Node) StrictNumber() (json.Number, error) { + if err := self.checkRaw(); err != nil { + return json.Number(""), err + } + switch self.t { + case _V_NUMBER : return self.toNumber() , nil + case _V_ANY : + if v, ok := self.packAny().(json.Number); ok { + return v, nil + } else { + return json.Number(""), ErrUnsupportType + } + default : return json.Number(""), ErrUnsupportType + } +} + +// String cast node to string, +// including V_NUMBER|V_TRUE|V_FALSE|V_ANY|V_STRING|V_NULL, +// V_NONE it will return error +func (self *Node) String() (string, error) { + if err := self.checkRaw(); err != nil { + return "", err + } + switch self.t { + case types.V_NULL : return "" , nil + case types.V_TRUE : return "true" , nil + case types.V_FALSE : return "false", nil + case types.V_STRING, _V_NUMBER : return self.toString(), nil + case _V_ANY : + any := self.packAny() + switch v := any.(type) { + case bool : return strconv.FormatBool(v), nil + case int : return strconv.Itoa(v), nil + case int8 : return strconv.Itoa(int(v)), nil + case int16 : return strconv.Itoa(int(v)), nil + case int32 : return strconv.Itoa(int(v)), nil + case int64 : return strconv.Itoa(int(v)), nil + case uint : return strconv.Itoa(int(v)), nil + case uint8 : return strconv.Itoa(int(v)), nil + case uint16 : return strconv.Itoa(int(v)), nil + case uint32 : return strconv.Itoa(int(v)), nil + case uint64 : return strconv.Itoa(int(v)), nil + case float32: return strconv.FormatFloat(float64(v), 'g', -1, 64), nil + case float64: return strconv.FormatFloat(float64(v), 'g', -1, 64), nil + case string : return v, nil + case json.Number: return v.String(), nil + default: return "", ErrUnsupportType + } + default : return "" , ErrUnsupportType + } +} + +// StrictString returns string value (unescaped), including V_STRING, V_ANY of string. +// In other cases, it will return empty string. +func (self *Node) StrictString() (string, error) { + if err := self.checkRaw(); err != nil { + return "", err + } + switch self.t { + case types.V_STRING : return self.toString(), nil + case _V_ANY : + if v, ok := self.packAny().(string); ok { + return v, nil + } else { + return "", ErrUnsupportType + } + default : return "", ErrUnsupportType + } +} + +// Float64 cast node to float64, +// including V_NUMBER|V_TRUE|V_FALSE|V_ANY|V_STRING|V_NULL, +// V_NONE it will return error +func (self *Node) Float64() (float64, error) { + if err := self.checkRaw(); err != nil { + return 0.0, err + } + switch self.t { + case _V_NUMBER, types.V_STRING : return self.toFloat64() + case types.V_TRUE : return 1.0, nil + case types.V_FALSE : return 0.0, nil + case types.V_NULL : return 0.0, nil + case _V_ANY : + any := self.packAny() + switch v := any.(type) { + case bool : + if v { + return 1.0, nil + } else { + return 0.0, nil + } + case int : return float64(v), nil + case int8 : return float64(v), nil + case int16 : return float64(v), nil + case int32 : return float64(v), nil + case int64 : return float64(v), nil + case uint : return float64(v), nil + case uint8 : return float64(v), nil + case uint16 : return float64(v), nil + case uint32 : return float64(v), nil + case uint64 : return float64(v), nil + case float32: return float64(v), nil + case float64: return float64(v), nil + case string : + if f, err := strconv.ParseFloat(v, 64); err == nil { + return float64(f), nil + } else { + return 0, err + } + case json.Number: + if f, err := v.Float64(); err == nil { + return float64(f), nil + } else { + return 0, err + } + default : return 0, ErrUnsupportType + } + default : return 0.0, ErrUnsupportType + } +} + +func (self *Node) StrictBool() (bool, error) { + if err := self.checkRaw(); err!= nil { + return false, err + } + switch self.t { + case types.V_TRUE : return true, nil + case types.V_FALSE : return false, nil + case _V_ANY : + any := self.packAny() + switch v := any.(type) { + case bool : return v, nil + default : return false, ErrUnsupportType + } + default : return false, ErrUnsupportType + } +} + +// Float64 exports underlying float64 value, including V_NUMBER, V_ANY +func (self *Node) StrictFloat64() (float64, error) { + if err := self.checkRaw(); err != nil { + return 0.0, err + } + switch self.t { + case _V_NUMBER : return self.toFloat64() + case _V_ANY : + any := self.packAny() + switch v := any.(type) { + case float32 : return float64(v), nil + case float64 : return float64(v), nil + default : return 0, ErrUnsupportType + } + default : return 0.0, ErrUnsupportType + } +} + +/** Sequential Value Methods **/ + +// Len returns children count of a array|object|string node +// WARN: For partially loaded node, it also works but only counts the parsed children +func (self *Node) Len() (int, error) { + if err := self.checkRaw(); err != nil { + return 0, err + } + if self.t == types.V_ARRAY || self.t == types.V_OBJECT || self.t == _V_ARRAY_LAZY || self.t == _V_OBJECT_LAZY || self.t == types.V_STRING { + return int(self.l), nil + } else if self.t == _V_NONE || self.t == types.V_NULL { + return 0, nil + } else { + return 0, ErrUnsupportType + } +} + +func (self *Node) len() int { + return int(self.l) +} + +// Cap returns malloc capacity of a array|object node for children +func (self *Node) Cap() (int, error) { + if err := self.checkRaw(); err != nil { + return 0, err + } + switch self.t { + case types.V_ARRAY: return (*linkedNodes)(self.p).Cap(), nil + case types.V_OBJECT: return (*linkedPairs)(self.p).Cap(), nil + case _V_ARRAY_LAZY: return (*parseArrayStack)(self.p).v.Cap(), nil + case _V_OBJECT_LAZY: return (*parseObjectStack)(self.p).v.Cap(), nil + case _V_NONE, types.V_NULL: return 0, nil + default: return 0, ErrUnsupportType + } +} + +// Set sets the node of given key under self, and reports if the key has existed. +// +// If self is V_NONE or V_NULL, it becomes V_OBJECT and sets the node at the key. +func (self *Node) Set(key string, node Node) (bool, error) { + if err := self.checkRaw(); err != nil { + return false, err + } + if err := node.Check(); err != nil { + return false, err + } + + if self.t == _V_NONE || self.t == types.V_NULL { + *self = NewObject([]Pair{NewPair(key, node)}) + return false, nil + } else if self.itype() != types.V_OBJECT { + return false, ErrUnsupportType + } + + p := self.Get(key) + + if !p.Exists() { + // self must be fully-loaded here + if self.len() == 0 { + *self = newObject(new(linkedPairs)) + } + s := (*linkedPairs)(self.p) + s.Push(NewPair(key, node)) + self.l++ + return false, nil + + } else if err := p.Check(); err != nil { + return false, err + } + + *p = node + return true, nil +} + +// SetAny wraps val with V_ANY node, and Set() the node. +func (self *Node) SetAny(key string, val interface{}) (bool, error) { + return self.Set(key, NewAny(val)) +} + +// Unset REMOVE (soft) the node of given key under object parent, and reports if the key has existed. +func (self *Node) Unset(key string) (bool, error) { + if err := self.should(types.V_OBJECT); err != nil { + return false, err + } + // NOTICE: must get accurate length before deduct + if err := self.skipAllKey(); err != nil { + return false, err + } + p, i := self.skipKey(key) + if !p.Exists() { + return false, nil + } else if err := p.Check(); err != nil { + return false, err + } + self.removePairAt(i) + return true, nil +} + +// SetByIndex sets the node of given index, and reports if the key has existed. +// +// The index must be within self's children. +func (self *Node) SetByIndex(index int, node Node) (bool, error) { + if err := self.checkRaw(); err != nil { + return false, err + } + if err := node.Check(); err != nil { + return false, err + } + + if index == 0 && (self.t == _V_NONE || self.t == types.V_NULL) { + *self = NewArray([]Node{node}) + return false, nil + } + + p := self.Index(index) + if !p.Exists() { + return false, ErrNotExist + } else if err := p.Check(); err != nil { + return false, err + } + + *p = node + return true, nil +} + +// SetAny wraps val with V_ANY node, and SetByIndex() the node. +func (self *Node) SetAnyByIndex(index int, val interface{}) (bool, error) { + return self.SetByIndex(index, NewAny(val)) +} + +// UnsetByIndex REMOVE (softly) the node of given index. +// +// WARN: this will change address of elements, which is a dangerous action. +// Use Unset() for object or Pop() for array instead. +func (self *Node) UnsetByIndex(index int) (bool, error) { + if err := self.checkRaw(); err != nil { + return false, err + } + + var p *Node + it := self.itype() + + if it == types.V_ARRAY { + if err := self.skipAllIndex(); err != nil { + return false, err + } + p = self.nodeAt(index) + } else if it == types.V_OBJECT { + if err := self.skipAllKey(); err != nil { + return false, err + } + pr := self.pairAt(index) + if pr == nil { + return false, ErrNotExist + } + p = &pr.Value + } else { + return false, ErrUnsupportType + } + + if !p.Exists() { + return false, ErrNotExist + } + + // last elem + if index == self.len() - 1 { + return true, self.Pop() + } + + // not last elem, self.len() change but linked-chunk not change + if it == types.V_ARRAY { + self.removeNode(index) + }else if it == types.V_OBJECT { + self.removePair(index) + } + return true, nil +} + +// Add appends the given node under self. +// +// If self is V_NONE or V_NULL, it becomes V_ARRAY and sets the node at index 0. +func (self *Node) Add(node Node) error { + if err := self.checkRaw(); err != nil { + return err + } + + if self != nil && (self.t == _V_NONE || self.t == types.V_NULL) { + *self = NewArray([]Node{node}) + return nil + } + if err := self.should(types.V_ARRAY); err != nil { + return err + } + + s, err := self.unsafeArray() + if err != nil { + return err + } + + // Notice: array won't have unset node in tail + s.Push(node) + self.l++ + return nil +} + +// Pop remove the last child of the V_Array or V_Object node. +func (self *Node) Pop() error { + if err := self.checkRaw(); err != nil { + return err + } + + if it := self.itype(); it == types.V_ARRAY { + s, err := self.unsafeArray() + if err != nil { + return err + } + // remove tail unset nodes + for i := s.Len()-1; i >= 0; i-- { + if s.At(i).Exists() { + s.Pop() + self.l-- + break + } + s.Pop() + } + + } else if it == types.V_OBJECT { + s, err := self.unsafeMap() + if err != nil { + return err + } + // remove tail unset nodes + for i := s.Len()-1; i >= 0; i-- { + if p := s.At(i); p != nil && p.Value.Exists() { + s.Pop() + self.l-- + break + } + s.Pop() + } + + } else { + return ErrUnsupportType + } + + return nil +} + +// Move moves the child at src index to dst index, +// meanwhile slides siblings from src+1 to dst. +// +// WARN: this will change address of elements, which is a dangerous action. +func (self *Node) Move(dst, src int) error { + if err := self.should(types.V_ARRAY); err != nil { + return err + } + + s, err := self.unsafeArray() + if err != nil { + return err + } + + // check if any unset node exists + if l := s.Len(); self.len() != l { + di, si := dst, src + // find real pos of src and dst + for i := 0; i < l; i++ { + if s.At(i).Exists() { + di-- + si-- + } + if di == -1 { + dst = i + di-- + } + if si == -1 { + src = i + si-- + } + if di == -2 && si == -2 { + break + } + } + } + + s.MoveOne(src, dst) + return nil +} + +// AddAny wraps val with V_ANY node, and Add() the node. +func (self *Node) AddAny(val interface{}) error { + return self.Add(NewAny(val)) +} + +// GetByPath load given path on demands, +// which only ensure nodes before this path got parsed. +// +// Note, the api expects the json is well-formed at least, +// otherwise it may return unexpected result. +func (self *Node) GetByPath(path ...interface{}) *Node { + if !self.Valid() { + return self + } + var s = self + for _, p := range path { + switch p := p.(type) { + case int: + s = s.Index(p) + if !s.Valid() { + return s + } + case string: + s = s.Get(p) + if !s.Valid() { + return s + } + default: + panic("path must be either int or string") + } + } + return s +} + +// Get loads given key of an object node on demands +func (self *Node) Get(key string) *Node { + if err := self.should(types.V_OBJECT); err != nil { + return unwrapError(err) + } + n, _ := self.skipKey(key) + return n +} + +// Index indexies node at given idx, +// node type CAN be either V_OBJECT or V_ARRAY +func (self *Node) Index(idx int) *Node { + if err := self.checkRaw(); err != nil { + return unwrapError(err) + } + + it := self.itype() + if it == types.V_ARRAY { + return self.skipIndex(idx) + + }else if it == types.V_OBJECT { + pr := self.skipIndexPair(idx) + if pr == nil { + return newError(_ERR_NOT_FOUND, "value not exists") + } + return &pr.Value + + } else { + return newError(_ERR_UNSUPPORT_TYPE, fmt.Sprintf("unsupported type: %v", self.itype())) + } +} + +// IndexPair indexies pair at given idx, +// node type MUST be either V_OBJECT +func (self *Node) IndexPair(idx int) *Pair { + if err := self.should(types.V_OBJECT); err != nil { + return nil + } + return self.skipIndexPair(idx) +} + +func (self *Node) indexOrGet(idx int, key string) (*Node, int) { + if err := self.should(types.V_OBJECT); err != nil { + return unwrapError(err), idx + } + + pr := self.skipIndexPair(idx) + if pr != nil && pr.Key == key { + return &pr.Value, idx + } + + return self.skipKey(key) +} + +// IndexOrGet firstly use idx to index a value and check if its key matches +// If not, then use the key to search value +func (self *Node) IndexOrGet(idx int, key string) *Node { + node, _ := self.indexOrGet(idx, key) + return node +} + +// IndexOrGetWithIdx attempts to retrieve a node by index and key, returning the node and its correct index. +// If the key does not match at the given index, it searches by key and returns the node with its updated index. +func (self *Node) IndexOrGetWithIdx(idx int, key string) (*Node, int) { + return self.indexOrGet(idx, key) +} + +/** Generic Value Converters **/ + +// Map loads all keys of an object node +func (self *Node) Map() (map[string]interface{}, error) { + if self.isAny() { + any := self.packAny() + if v, ok := any.(map[string]interface{}); ok { + return v, nil + } else { + return nil, ErrUnsupportType + } + } + if err := self.should(types.V_OBJECT); err != nil { + return nil, err + } + if err := self.loadAllKey(false); err != nil { + return nil, err + } + return self.toGenericObject() +} + +// MapUseNumber loads all keys of an object node, with numeric nodes cast to json.Number +func (self *Node) MapUseNumber() (map[string]interface{}, error) { + if self.isAny() { + any := self.packAny() + if v, ok := any.(map[string]interface{}); ok { + return v, nil + } else { + return nil, ErrUnsupportType + } + } + if err := self.should(types.V_OBJECT); err != nil { + return nil, err + } + if err := self.loadAllKey(false); err != nil { + return nil, err + } + return self.toGenericObjectUseNumber() +} + +// MapUseNode scans both parsed and non-parsed children nodes, +// and map them by their keys +func (self *Node) MapUseNode() (map[string]Node, error) { + if self.isAny() { + any := self.packAny() + if v, ok := any.(map[string]Node); ok { + return v, nil + } else { + return nil, ErrUnsupportType + } + } + if err := self.should(types.V_OBJECT); err != nil { + return nil, err + } + if err := self.skipAllKey(); err != nil { + return nil, err + } + return self.toGenericObjectUseNode() +} + +// MapUnsafe exports the underlying pointer to its children map +// WARN: don't use it unless you know what you are doing +// +// Deprecated: this API now returns copied nodes instead of directly reference, +// func (self *Node) UnsafeMap() ([]Pair, error) { +// if err := self.should(types.V_OBJECT, "an object"); err != nil { +// return nil, err +// } +// if err := self.skipAllKey(); err != nil { +// return nil, err +// } +// return self.toGenericObjectUsePair() +// } + +//go:nocheckptr +func (self *Node) unsafeMap() (*linkedPairs, error) { + if err := self.skipAllKey(); err != nil { + return nil, err + } + if self.p == nil { + *self = newObject(new(linkedPairs)) + } + return (*linkedPairs)(self.p), nil +} + +// SortKeys sorts children of a V_OBJECT node in ascending key-order. +// If recurse is true, it recursively sorts children's children as long as a V_OBJECT node is found. +func (self *Node) SortKeys(recurse bool) error { + // check raw node first + if err := self.checkRaw(); err != nil { + return err + } + if self.itype() == types.V_OBJECT { + return self.sortKeys(recurse) + } else if self.itype() == types.V_ARRAY { + var err error + err2 := self.ForEach(func(path Sequence, node *Node) bool { + it := node.itype() + if it == types.V_ARRAY || it == types.V_OBJECT { + err = node.SortKeys(recurse) + if err != nil { + return false + } + } + return true + }) + if err != nil { + return err + } + return err2 + } else { + return nil + } +} + +func (self *Node) sortKeys(recurse bool) (err error) { + // check raw node first + if err := self.checkRaw(); err != nil { + return err + } + ps, err := self.unsafeMap() + if err != nil { + return err + } + ps.Sort() + if recurse { + var sc Scanner + sc = func(path Sequence, node *Node) bool { + if node.itype() == types.V_OBJECT { + if err := node.sortKeys(recurse); err != nil { + return false + } + } + if node.itype() == types.V_ARRAY { + if err := node.ForEach(sc); err != nil { + return false + } + } + return true + } + if err := self.ForEach(sc); err != nil { + return err + } + } + return nil +} + +// Array loads all indexes of an array node +func (self *Node) Array() ([]interface{}, error) { + if self.isAny() { + any := self.packAny() + if v, ok := any.([]interface{}); ok { + return v, nil + } else { + return nil, ErrUnsupportType + } + } + if err := self.should(types.V_ARRAY); err != nil { + return nil, err + } + if err := self.loadAllIndex(false); err != nil { + return nil, err + } + return self.toGenericArray() +} + +// ArrayUseNumber loads all indexes of an array node, with numeric nodes cast to json.Number +func (self *Node) ArrayUseNumber() ([]interface{}, error) { + if self.isAny() { + any := self.packAny() + if v, ok := any.([]interface{}); ok { + return v, nil + } else { + return nil, ErrUnsupportType + } + } + if err := self.should(types.V_ARRAY); err != nil { + return nil, err + } + if err := self.loadAllIndex(false); err != nil { + return nil, err + } + return self.toGenericArrayUseNumber() +} + +// ArrayUseNode copies both parsed and non-parsed children nodes, +// and indexes them by original order +func (self *Node) ArrayUseNode() ([]Node, error) { + if self.isAny() { + any := self.packAny() + if v, ok := any.([]Node); ok { + return v, nil + } else { + return nil, ErrUnsupportType + } + } + if err := self.should(types.V_ARRAY); err != nil { + return nil, err + } + if err := self.skipAllIndex(); err != nil { + return nil, err + } + return self.toGenericArrayUseNode() +} + +// ArrayUnsafe exports the underlying pointer to its children array +// WARN: don't use it unless you know what you are doing +// +// Deprecated: this API now returns copied nodes instead of directly reference, +// which has no difference with ArrayUseNode +// func (self *Node) UnsafeArray() ([]Node, error) { +// if err := self.should(types.V_ARRAY, "an array"); err != nil { +// return nil, err +// } +// if err := self.skipAllIndex(); err != nil { +// return nil, err +// } +// return self.toGenericArrayUseNode() +// } + +func (self *Node) unsafeArray() (*linkedNodes, error) { + if err := self.skipAllIndex(); err != nil { + return nil, err + } + if self.p == nil { + *self = newArray(new(linkedNodes)) + } + return (*linkedNodes)(self.p), nil +} + +// Interface loads all children under all paths from this node, +// and converts itself as generic type. +// WARN: all numeric nodes are cast to float64 +func (self *Node) Interface() (interface{}, error) { + if err := self.checkRaw(); err != nil { + return nil, err + } + switch self.t { + case V_ERROR : return nil, self.Check() + case types.V_NULL : return nil, nil + case types.V_TRUE : return true, nil + case types.V_FALSE : return false, nil + case types.V_ARRAY : return self.toGenericArray() + case types.V_OBJECT : return self.toGenericObject() + case types.V_STRING : return self.toString(), nil + case _V_NUMBER : + v, err := self.toFloat64() + if err != nil { + return nil, err + } + return v, nil + case _V_ARRAY_LAZY : + if err := self.loadAllIndex(false); err != nil { + return nil, err + } + return self.toGenericArray() + case _V_OBJECT_LAZY : + if err := self.loadAllKey(false); err != nil { + return nil, err + } + return self.toGenericObject() + case _V_ANY: + switch v := self.packAny().(type) { + case Node : return v.Interface() + case *Node: return v.Interface() + default : return v, nil + } + default : return nil, ErrUnsupportType + } +} + +func (self *Node) packAny() interface{} { + return *(*interface{})(self.p) +} + +// InterfaceUseNumber works same with Interface() +// except numeric nodes are cast to json.Number +func (self *Node) InterfaceUseNumber() (interface{}, error) { + if err := self.checkRaw(); err != nil { + return nil, err + } + switch self.t { + case V_ERROR : return nil, self.Check() + case types.V_NULL : return nil, nil + case types.V_TRUE : return true, nil + case types.V_FALSE : return false, nil + case types.V_ARRAY : return self.toGenericArrayUseNumber() + case types.V_OBJECT : return self.toGenericObjectUseNumber() + case types.V_STRING : return self.toString(), nil + case _V_NUMBER : return self.toNumber(), nil + case _V_ARRAY_LAZY : + if err := self.loadAllIndex(false); err != nil { + return nil, err + } + return self.toGenericArrayUseNumber() + case _V_OBJECT_LAZY : + if err := self.loadAllKey(false); err != nil { + return nil, err + } + return self.toGenericObjectUseNumber() + case _V_ANY : return self.packAny(), nil + default : return nil, ErrUnsupportType + } +} + +// InterfaceUseNode clone itself as a new node, +// or its children as map[string]Node (or []Node) +func (self *Node) InterfaceUseNode() (interface{}, error) { + if err := self.checkRaw(); err != nil { + return nil, err + } + switch self.t { + case types.V_ARRAY : return self.toGenericArrayUseNode() + case types.V_OBJECT : return self.toGenericObjectUseNode() + case _V_ARRAY_LAZY : + if err := self.skipAllIndex(); err != nil { + return nil, err + } + return self.toGenericArrayUseNode() + case _V_OBJECT_LAZY : + if err := self.skipAllKey(); err != nil { + return nil, err + } + return self.toGenericObjectUseNode() + default : return *self, self.Check() + } +} + +// LoadAll loads the node's children +// and ensure all its children can be READ concurrently (include its children's children) +func (self *Node) LoadAll() error { + return self.Load() +} + +// Load loads the node's children as parsed. +// and ensure all its children can be READ concurrently (include its children's children) +func (self *Node) Load() error { + switch self.t { + case _V_ARRAY_LAZY: self.loadAllIndex(true) + case _V_OBJECT_LAZY: self.loadAllKey(true) + case V_ERROR: return self + case V_NONE: return nil + } + if self.m == nil { + self.m = new(sync.RWMutex) + } + return self.checkRaw() +} + +/**---------------------------------- Internal Helper Methods ----------------------------------**/ + +func (self *Node) should(t types.ValueType) error { + if err := self.checkRaw(); err != nil { + return err + } + if self.itype() != t { + return ErrUnsupportType + } + return nil +} + +func (self *Node) nodeAt(i int) *Node { + var p *linkedNodes + if self.isLazy() { + _, stack := self.getParserAndArrayStack() + p = &stack.v + } else { + p = (*linkedNodes)(self.p) + if l := p.Len(); l != self.len() { + // some nodes got unset, iterate to skip them + for j:=0; j 0 { + /* linear search */ + var p *Pair + var i int + if lazy { + s := (*parseObjectStack)(self.p) + p, i = s.v.Get(key) + } else { + p, i = (*linkedPairs)(self.p).Get(key) + } + + if p != nil { + return &p.Value, i + } + } + + /* not found */ + if !lazy { + return nil, -1 + } + + // lazy load + for last, i := self.skipNextPair(), nb; last != nil; last, i = self.skipNextPair(), i+1 { + if last.Value.Check() != nil { + return &last.Value, -1 + } + if last.Key == key { + return &last.Value, i + } + } + + return nil, -1 +} + +func (self *Node) skipIndex(index int) *Node { + nb := self.len() + if nb > index { + v := self.nodeAt(index) + return v + } + if !self.isLazy() { + return nil + } + + // lazy load + for last := self.skipNextNode(); last != nil; last = self.skipNextNode(){ + if last.Check() != nil { + return last + } + if self.len() > index { + return last + } + } + + return nil +} + +func (self *Node) skipIndexPair(index int) *Pair { + nb := self.len() + if nb > index { + return self.pairAt(index) + } + if !self.isLazy() { + return nil + } + + // lazy load + for last := self.skipNextPair(); last != nil; last = self.skipNextPair(){ + if last.Value.Check() != nil { + return last + } + if self.len() > index { + return last + } + } + + return nil +} + +func (self *Node) loadAllIndex(loadOnce bool) error { + if !self.isLazy() { + return nil + } + var err types.ParsingError + parser, stack := self.getParserAndArrayStack() + if !loadOnce { + parser.noLazy = true + } else { + parser.loadOnce = true + } + *self, err = parser.decodeArray(&stack.v) + if err != 0 { + return parser.ExportError(err) + } + return nil +} + +func (self *Node) loadAllKey(loadOnce bool) error { + if !self.isLazy() { + return nil + } + var err types.ParsingError + parser, stack := self.getParserAndObjectStack() + if !loadOnce { + parser.noLazy = true + *self, err = parser.decodeObject(&stack.v) + } else { + parser.loadOnce = true + *self, err = parser.decodeObject(&stack.v) + } + if err != 0 { + return parser.ExportError(err) + } + return nil +} + +func (self *Node) removeNode(i int) { + node := self.nodeAt(i) + if node == nil { + return + } + *node = Node{} + // NOTICE: not be consistent with linkedNode.Len() + self.l-- +} + +func (self *Node) removePair(i int) { + last := self.pairAt(i) + if last == nil { + return + } + *last = Pair{} + // NOTICE: should be consistent with linkedPair.Len() + self.l-- +} + +func (self *Node) removePairAt(i int) { + p := (*linkedPairs)(self.p).At(i) + if p == nil { + return + } + *p = Pair{} + // NOTICE: should be consistent with linkedPair.Len() + self.l-- +} + +func (self *Node) toGenericArray() ([]interface{}, error) { + nb := self.len() + if nb == 0 { + return []interface{}{}, nil + } + ret := make([]interface{}, 0, nb) + + /* convert each item */ + it := self.values() + for v := it.next(); v != nil; v = it.next() { + vv, err := v.Interface() + if err != nil { + return nil, err + } + ret = append(ret, vv) + } + + /* all done */ + return ret, nil +} + +func (self *Node) toGenericArrayUseNumber() ([]interface{}, error) { + nb := self.len() + if nb == 0 { + return []interface{}{}, nil + } + ret := make([]interface{}, 0, nb) + + /* convert each item */ + it := self.values() + for v := it.next(); v != nil; v = it.next() { + vv, err := v.InterfaceUseNumber() + if err != nil { + return nil, err + } + ret = append(ret, vv) + } + + /* all done */ + return ret, nil +} + +func (self *Node) toGenericArrayUseNode() ([]Node, error) { + var nb = self.len() + if nb == 0 { + return []Node{}, nil + } + + var s = (*linkedNodes)(self.p) + var out = make([]Node, nb) + s.ToSlice(out) + + return out, nil +} + +func (self *Node) toGenericObject() (map[string]interface{}, error) { + nb := self.len() + if nb == 0 { + return map[string]interface{}{}, nil + } + ret := make(map[string]interface{}, nb) + + /* convert each item */ + it := self.properties() + for v := it.next(); v != nil; v = it.next() { + vv, err := v.Value.Interface() + if err != nil { + return nil, err + } + ret[v.Key] = vv + } + + /* all done */ + return ret, nil +} + + +func (self *Node) toGenericObjectUseNumber() (map[string]interface{}, error) { + nb := self.len() + if nb == 0 { + return map[string]interface{}{}, nil + } + ret := make(map[string]interface{}, nb) + + /* convert each item */ + it := self.properties() + for v := it.next(); v != nil; v = it.next() { + vv, err := v.Value.InterfaceUseNumber() + if err != nil { + return nil, err + } + ret[v.Key] = vv + } + + /* all done */ + return ret, nil +} + +func (self *Node) toGenericObjectUseNode() (map[string]Node, error) { + var nb = self.len() + if nb == 0 { + return map[string]Node{}, nil + } + + var s = (*linkedPairs)(self.p) + var out = make(map[string]Node, nb) + s.ToMap(out) + + /* all done */ + return out, nil +} + +/**------------------------------------ Factory Methods ------------------------------------**/ + +var ( + nullNode = Node{t: types.V_NULL} + trueNode = Node{t: types.V_TRUE} + falseNode = Node{t: types.V_FALSE} +) + +// NewRaw creates a node of raw json. +// If the input json is invalid, NewRaw returns a error Node. +func NewRaw(json string) Node { + parser := NewParserObj(json) + start, err := parser.skip() + if err != 0 { + return *newError(err, err.Message()) + } + it := switchRawType(parser.s[start]) + if it == _V_NONE { + return Node{} + } + return newRawNode(parser.s[start:parser.p], it, false) +} + +// NewRawConcurrentRead creates a node of raw json, which can be READ +// (GetByPath/Get/Index/GetOrIndex/Int64/Bool/Float64/String/Number/Interface/Array/Map/Raw/MarshalJSON) concurrently. +// If the input json is invalid, NewRaw returns a error Node. +func NewRawConcurrentRead(json string) Node { + parser := NewParserObj(json) + start, err := parser.skip() + if err != 0 { + return *newError(err, err.Message()) + } + it := switchRawType(parser.s[start]) + if it == _V_NONE { + return Node{} + } + return newRawNode(parser.s[start:parser.p], it, true) +} + +// NewAny creates a node of type V_ANY if any's type isn't Node or *Node, +// which stores interface{} and can be only used for `.Interface()`\`.MarshalJSON()`. +func NewAny(any interface{}) Node { + switch n := any.(type) { + case Node: + return n + case *Node: + return *n + default: + return Node{ + t: _V_ANY, + p: unsafe.Pointer(&any), + } + } +} + +// NewBytes encodes given src with Base64 (RFC 4648), and creates a node of type V_STRING. +func NewBytes(src []byte) Node { + if len(src) == 0 { + panic("empty src bytes") + } + out := rt.EncodeBase64ToString(src) + return NewString(out) +} + +// NewNull creates a node of type V_NULL +func NewNull() Node { + return Node{ + p: nil, + t: types.V_NULL, + } +} + +// NewBool creates a node of type bool: +// If v is true, returns V_TRUE node +// If v is false, returns V_FALSE node +func NewBool(v bool) Node { + var t = types.V_FALSE + if v { + t = types.V_TRUE + } + return Node{ + p: nil, + t: t, + } +} + +// NewNumber creates a json.Number node +// v must be a decimal string complying with RFC8259 +func NewNumber(v string) Node { + return Node{ + l: uint(len(v)), + p: rt.StrPtr(v), + t: _V_NUMBER, + } +} + +func (node *Node) toNumber() json.Number { + return json.Number(rt.StrFrom(node.p, int64(node.l))) +} + +func (self *Node) toString() string { + return rt.StrFrom(self.p, int64(self.l)) +} + +func (node *Node) toFloat64() (float64, error) { + ret, err := node.toNumber().Float64() + if err != nil { + return 0, err + } + return ret, nil +} + +func (node *Node) toInt64() (int64, error) { + ret,err := node.toNumber().Int64() + if err != nil { + return 0, err + } + return ret, nil +} + +func newBytes(v []byte) Node { + return Node{ + t: types.V_STRING, + p: mem2ptr(v), + l: uint(len(v)), + } +} + +// NewString creates a node of type V_STRING. +// v is considered to be a valid UTF-8 string, +// which means it won't be validated and unescaped. +// when the node is encoded to json, v will be escaped. +func NewString(v string) Node { + return Node{ + t: types.V_STRING, + p: rt.StrPtr(v), + l: uint(len(v)), + } +} + +// NewArray creates a node of type V_ARRAY, +// using v as its underlying children +func NewArray(v []Node) Node { + s := new(linkedNodes) + s.FromSlice(v) + return newArray(s) +} + +const _Threshold_Index = 16 + +func newArray(v *linkedNodes) Node { + return Node{ + t: types.V_ARRAY, + l: uint(v.Len()), + p: unsafe.Pointer(v), + } +} + +func (self *Node) setArray(v *linkedNodes) { + self.t = types.V_ARRAY + self.l = uint(v.Len()) + self.p = unsafe.Pointer(v) +} + +// NewObject creates a node of type V_OBJECT, +// using v as its underlying children +func NewObject(v []Pair) Node { + s := new(linkedPairs) + s.FromSlice(v) + return newObject(s) +} + +func newObject(v *linkedPairs) Node { + if v.size > _Threshold_Index { + v.BuildIndex() + } + return Node{ + t: types.V_OBJECT, + l: uint(v.Len()), + p: unsafe.Pointer(v), + } +} + +func (self *Node) setObject(v *linkedPairs) { + if v.size > _Threshold_Index { + v.BuildIndex() + } + self.t = types.V_OBJECT + self.l = uint(v.Len()) + self.p = unsafe.Pointer(v) +} + +func (self *Node) parseRaw(full bool) { + lock := self.lock() + defer self.unlock() + if !self.isRaw() { + return + } + raw := self.toString() + parser := NewParserObj(raw) + var e types.ParsingError + if full { + parser.noLazy = true + *self, e = parser.Parse() + } else if lock { + var n Node + parser.noLazy = true + parser.loadOnce = true + n, e = parser.Parse() + self.assign(n) + } else { + *self, e = parser.Parse() + } + if e != 0 { + *self = *newSyntaxError(parser.syntaxError(e)) + } +} + +func (self *Node) assign(n Node) { + self.l = n.l + self.p = n.p + atomic.StoreInt64(&self.t, n.t) +} diff --git a/vendor/github.com/bytedance/sonic/ast/parser.go b/vendor/github.com/bytedance/sonic/ast/parser.go new file mode 100644 index 000000000..f10b43eaf --- /dev/null +++ b/vendor/github.com/bytedance/sonic/ast/parser.go @@ -0,0 +1,768 @@ +/* + * Copyright 2021 ByteDance Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package ast + +import ( + "fmt" + "sync" + "sync/atomic" + + "github.com/bytedance/sonic/internal/native/types" + "github.com/bytedance/sonic/internal/rt" + "github.com/bytedance/sonic/internal/utils" + "github.com/bytedance/sonic/unquote" +) + +const ( + _DEFAULT_NODE_CAP int = 16 + _APPEND_GROW_SHIFT = 1 +) + +const ( + _ERR_NOT_FOUND types.ParsingError = 33 + _ERR_UNSUPPORT_TYPE types.ParsingError = 34 +) + +var ( + // ErrNotExist means both key and value doesn't exist + ErrNotExist error = newError(_ERR_NOT_FOUND, "value not exists") + + // ErrUnsupportType means API on the node is unsupported + ErrUnsupportType error = newError(_ERR_UNSUPPORT_TYPE, "unsupported type") +) + +type Parser struct { + p int + s string + noLazy bool + loadOnce bool + skipValue bool + dbuf *byte +} + +/** Parser Private Methods **/ + +func (self *Parser) delim() types.ParsingError { + n := len(self.s) + p := self.lspace(self.p) + + /* check for EOF */ + if p >= n { + return types.ERR_EOF + } + + /* check for the delimiter */ + if self.s[p] != ':' { + return types.ERR_INVALID_CHAR + } + + /* update the read pointer */ + self.p = p + 1 + return 0 +} + +func (self *Parser) object() types.ParsingError { + n := len(self.s) + p := self.lspace(self.p) + + /* check for EOF */ + if p >= n { + return types.ERR_EOF + } + + /* check for the delimiter */ + if self.s[p] != '{' { + return types.ERR_INVALID_CHAR + } + + /* update the read pointer */ + self.p = p + 1 + return 0 +} + +func (self *Parser) array() types.ParsingError { + n := len(self.s) + p := self.lspace(self.p) + + /* check for EOF */ + if p >= n { + return types.ERR_EOF + } + + /* check for the delimiter */ + if self.s[p] != '[' { + return types.ERR_INVALID_CHAR + } + + /* update the read pointer */ + self.p = p + 1 + return 0 +} + +func (self *Parser) lspace(sp int) int { + ns := len(self.s) + for ; sp= 0 && utils.IsSpace(self.s[self.p]); self.p-=1 {} +} + +func (self *Parser) decodeArray(ret *linkedNodes) (Node, types.ParsingError) { + sp := self.p + ns := len(self.s) + + /* check for EOF */ + if self.p = self.lspace(sp); self.p >= ns { + return Node{}, types.ERR_EOF + } + + /* check for empty array */ + if self.s[self.p] == ']' { + self.p++ + return Node{t: types.V_ARRAY}, 0 + } + + /* allocate array space and parse every element */ + for { + var val Node + var err types.ParsingError + + if self.skipValue { + /* skip the value */ + var start int + if start, err = self.skipFast(); err != 0 { + return Node{}, err + } + if self.p > ns { + return Node{}, types.ERR_EOF + } + t := switchRawType(self.s[start]) + if t == _V_NONE { + return Node{}, types.ERR_INVALID_CHAR + } + val = newRawNode(self.s[start:self.p], t, false) + }else{ + /* decode the value */ + if val, err = self.Parse(); err != 0 { + return Node{}, err + } + } + + /* add the value to result */ + ret.Push(val) + self.p = self.lspace(self.p) + + /* check for EOF */ + if self.p >= ns { + return Node{}, types.ERR_EOF + } + + /* check for the next character */ + switch self.s[self.p] { + case ',' : self.p++ + case ']' : self.p++; return newArray(ret), 0 + default: + // if val.isLazy() { + // return newLazyArray(self, ret), 0 + // } + return Node{}, types.ERR_INVALID_CHAR + } + } +} + +func (self *Parser) decodeObject(ret *linkedPairs) (Node, types.ParsingError) { + sp := self.p + ns := len(self.s) + + /* check for EOF */ + if self.p = self.lspace(sp); self.p >= ns { + return Node{}, types.ERR_EOF + } + + /* check for empty object */ + if self.s[self.p] == '}' { + self.p++ + return Node{t: types.V_OBJECT}, 0 + } + + /* decode each pair */ + for { + var val Node + var njs types.JsonState + var err types.ParsingError + + /* decode the key */ + if njs = self.decodeValue(); njs.Vt != types.V_STRING { + return Node{}, types.ERR_INVALID_CHAR + } + + /* extract the key */ + idx := self.p - 1 + key := self.s[njs.Iv:idx] + + /* check for escape sequence */ + if njs.Ep != -1 { + if key, err = unquote.String(key); err != 0 { + return Node{}, err + } + } + + /* expect a ':' delimiter */ + if err = self.delim(); err != 0 { + return Node{}, err + } + + + if self.skipValue { + /* skip the value */ + var start int + if start, err = self.skipFast(); err != 0 { + return Node{}, err + } + if self.p > ns { + return Node{}, types.ERR_EOF + } + t := switchRawType(self.s[start]) + if t == _V_NONE { + return Node{}, types.ERR_INVALID_CHAR + } + val = newRawNode(self.s[start:self.p], t, false) + } else { + /* decode the value */ + if val, err = self.Parse(); err != 0 { + return Node{}, err + } + } + + /* add the value to result */ + // FIXME: ret's address may change here, thus previous referred node in ret may be invalid !! + ret.Push(NewPair(key, val)) + self.p = self.lspace(self.p) + + /* check for EOF */ + if self.p >= ns { + return Node{}, types.ERR_EOF + } + + /* check for the next character */ + switch self.s[self.p] { + case ',' : self.p++ + case '}' : self.p++; return newObject(ret), 0 + default: + // if val.isLazy() { + // return newLazyObject(self, ret), 0 + // } + return Node{}, types.ERR_INVALID_CHAR + } + } +} + +func (self *Parser) decodeString(iv int64, ep int) (Node, types.ParsingError) { + p := self.p - 1 + s := self.s[iv:p] + + /* fast path: no escape sequence */ + if ep == -1 { + return NewString(s), 0 + } + + /* unquote the string */ + out, err := unquote.String(s) + + /* check for errors */ + if err != 0 { + return Node{}, err + } else { + return newBytes(rt.Str2Mem(out)), 0 + } +} + +/** Parser Interface **/ + +func (self *Parser) Pos() int { + return self.p +} + + +// Parse returns a ast.Node representing the parser's JSON. +// NOTICE: the specific parsing lazy dependens parser's option +// It only parse first layer and first child for Object or Array be default +func (self *Parser) Parse() (Node, types.ParsingError) { + switch val := self.decodeValue(); val.Vt { + case types.V_EOF : return Node{}, types.ERR_EOF + case types.V_NULL : return nullNode, 0 + case types.V_TRUE : return trueNode, 0 + case types.V_FALSE : return falseNode, 0 + case types.V_STRING : return self.decodeString(val.Iv, val.Ep) + case types.V_ARRAY: + s := self.p - 1; + if p := skipBlank(self.s, self.p); p >= self.p && self.s[p] == ']' { + self.p = p + 1 + return Node{t: types.V_ARRAY}, 0 + } + if self.noLazy { + if self.loadOnce { + self.noLazy = false + } + return self.decodeArray(new(linkedNodes)) + } + // NOTICE: loadOnce always keep raw json for object or array + if self.loadOnce { + self.p = s + s, e := self.skipFast() + if e != 0 { + return Node{}, e + } + return newRawNode(self.s[s:self.p], types.V_ARRAY, true), 0 + } + return newLazyArray(self), 0 + case types.V_OBJECT: + s := self.p - 1; + if p := skipBlank(self.s, self.p); p >= self.p && self.s[p] == '}' { + self.p = p + 1 + return Node{t: types.V_OBJECT}, 0 + } + // NOTICE: loadOnce always keep raw json for object or array + if self.noLazy { + if self.loadOnce { + self.noLazy = false + } + return self.decodeObject(new(linkedPairs)) + } + if self.loadOnce { + self.p = s + s, e := self.skipFast() + if e != 0 { + return Node{}, e + } + return newRawNode(self.s[s:self.p], types.V_OBJECT, true), 0 + } + return newLazyObject(self), 0 + case types.V_DOUBLE : return NewNumber(self.s[val.Ep:self.p]), 0 + case types.V_INTEGER : return NewNumber(self.s[val.Ep:self.p]), 0 + default : return Node{}, types.ParsingError(-val.Vt) + } +} + +func (self *Parser) searchKey(match string) types.ParsingError { + ns := len(self.s) + if err := self.object(); err != 0 { + return err + } + + /* check for EOF */ + if self.p = self.lspace(self.p); self.p >= ns { + return types.ERR_EOF + } + + /* check for empty object */ + if self.s[self.p] == '}' { + self.p++ + return _ERR_NOT_FOUND + } + + var njs types.JsonState + var err types.ParsingError + /* decode each pair */ + for { + + /* decode the key */ + if njs = self.decodeValue(); njs.Vt != types.V_STRING { + return types.ERR_INVALID_CHAR + } + + /* extract the key */ + idx := self.p - 1 + key := self.s[njs.Iv:idx] + + /* check for escape sequence */ + if njs.Ep != -1 { + if key, err = unquote.String(key); err != 0 { + return err + } + } + + /* expect a ':' delimiter */ + if err = self.delim(); err != 0 { + return err + } + + /* skip value */ + if key != match { + if _, err = self.skipFast(); err != 0 { + return err + } + } else { + return 0 + } + + /* check for EOF */ + self.p = self.lspace(self.p) + if self.p >= ns { + return types.ERR_EOF + } + + /* check for the next character */ + switch self.s[self.p] { + case ',': + self.p++ + case '}': + self.p++ + return _ERR_NOT_FOUND + default: + return types.ERR_INVALID_CHAR + } + } +} + +func (self *Parser) searchIndex(idx int) types.ParsingError { + ns := len(self.s) + if err := self.array(); err != 0 { + return err + } + + /* check for EOF */ + if self.p = self.lspace(self.p); self.p >= ns { + return types.ERR_EOF + } + + /* check for empty array */ + if self.s[self.p] == ']' { + self.p++ + return _ERR_NOT_FOUND + } + + var err types.ParsingError + /* allocate array space and parse every element */ + for i := 0; i < idx; i++ { + + /* decode the value */ + if _, err = self.skipFast(); err != 0 { + return err + } + + /* check for EOF */ + self.p = self.lspace(self.p) + if self.p >= ns { + return types.ERR_EOF + } + + /* check for the next character */ + switch self.s[self.p] { + case ',': + self.p++ + case ']': + self.p++ + return _ERR_NOT_FOUND + default: + return types.ERR_INVALID_CHAR + } + } + + return 0 +} + +func (self *Node) skipNextNode() *Node { + if !self.isLazy() { + return nil + } + + parser, stack := self.getParserAndArrayStack() + ret := &stack.v + sp := parser.p + ns := len(parser.s) + + /* check for EOF */ + if parser.p = parser.lspace(sp); parser.p >= ns { + return newSyntaxError(parser.syntaxError(types.ERR_EOF)) + } + + /* check for empty array */ + if parser.s[parser.p] == ']' { + parser.p++ + self.setArray(ret) + return nil + } + + var val Node + /* skip the value */ + if start, err := parser.skipFast(); err != 0 { + return newSyntaxError(parser.syntaxError(err)) + } else { + t := switchRawType(parser.s[start]) + if t == _V_NONE { + return newSyntaxError(parser.syntaxError(types.ERR_INVALID_CHAR)) + } + val = newRawNode(parser.s[start:parser.p], t, false) + } + + /* add the value to result */ + ret.Push(val) + self.l++ + parser.p = parser.lspace(parser.p) + + /* check for EOF */ + if parser.p >= ns { + return newSyntaxError(parser.syntaxError(types.ERR_EOF)) + } + + /* check for the next character */ + switch parser.s[parser.p] { + case ',': + parser.p++ + return ret.At(ret.Len()-1) + case ']': + parser.p++ + self.setArray(ret) + return ret.At(ret.Len()-1) + default: + return newSyntaxError(parser.syntaxError(types.ERR_INVALID_CHAR)) + } +} + +func (self *Node) skipNextPair() (*Pair) { + if !self.isLazy() { + return nil + } + + parser, stack := self.getParserAndObjectStack() + ret := &stack.v + sp := parser.p + ns := len(parser.s) + + /* check for EOF */ + if parser.p = parser.lspace(sp); parser.p >= ns { + return newErrorPair(parser.syntaxError(types.ERR_EOF)) + } + + /* check for empty object */ + if parser.s[parser.p] == '}' { + parser.p++ + self.setObject(ret) + return nil + } + + /* decode one pair */ + var val Node + var njs types.JsonState + var err types.ParsingError + + /* decode the key */ + if njs = parser.decodeValue(); njs.Vt != types.V_STRING { + return newErrorPair(parser.syntaxError(types.ERR_INVALID_CHAR)) + } + + /* extract the key */ + idx := parser.p - 1 + key := parser.s[njs.Iv:idx] + + /* check for escape sequence */ + if njs.Ep != -1 { + if key, err = unquote.String(key); err != 0 { + return newErrorPair(parser.syntaxError(err)) + } + } + + /* expect a ':' delimiter */ + if err = parser.delim(); err != 0 { + return newErrorPair(parser.syntaxError(err)) + } + + /* skip the value */ + if start, err := parser.skipFast(); err != 0 { + return newErrorPair(parser.syntaxError(err)) + } else { + t := switchRawType(parser.s[start]) + if t == _V_NONE { + return newErrorPair(parser.syntaxError(types.ERR_INVALID_CHAR)) + } + val = newRawNode(parser.s[start:parser.p], t, false) + } + + /* add the value to result */ + ret.Push(NewPair(key, val)) + self.l++ + parser.p = parser.lspace(parser.p) + + /* check for EOF */ + if parser.p >= ns { + return newErrorPair(parser.syntaxError(types.ERR_EOF)) + } + + /* check for the next character */ + switch parser.s[parser.p] { + case ',': + parser.p++ + return ret.At(ret.Len()-1) + case '}': + parser.p++ + self.setObject(ret) + return ret.At(ret.Len()-1) + default: + return newErrorPair(parser.syntaxError(types.ERR_INVALID_CHAR)) + } +} + + +/** Parser Factory **/ + +// Loads parse all json into interface{} +func Loads(src string) (int, interface{}, error) { + ps := &Parser{s: src} + np, err := ps.Parse() + + /* check for errors */ + if err != 0 { + return 0, nil, ps.ExportError(err) + } else { + x, err := np.Interface() + if err != nil { + return 0, nil, err + } + return ps.Pos(), x, nil + } +} + +// LoadsUseNumber parse all json into interface{}, with numeric nodes cast to json.Number +func LoadsUseNumber(src string) (int, interface{}, error) { + ps := &Parser{s: src} + np, err := ps.Parse() + + /* check for errors */ + if err != 0 { + return 0, nil, err + } else { + x, err := np.InterfaceUseNumber() + if err != nil { + return 0, nil, err + } + return ps.Pos(), x, nil + } +} + +// NewParser returns pointer of new allocated parser +func NewParser(src string) *Parser { + return &Parser{s: src} +} + +// NewParser returns new allocated parser +func NewParserObj(src string) Parser { + return Parser{s: src} +} + +// decodeNumber controls if parser decodes the number values instead of skip them +// WARN: once you set decodeNumber(true), please set decodeNumber(false) before you drop the parser +// otherwise the memory CANNOT be reused +func (self *Parser) decodeNumber(decode bool) { + if !decode && self.dbuf != nil { + types.FreeDbuf(self.dbuf) + self.dbuf = nil + return + } + if decode && self.dbuf == nil { + self.dbuf = types.NewDbuf() + } +} + +// ExportError converts types.ParsingError to std Error +func (self *Parser) ExportError(err types.ParsingError) error { + if err == _ERR_NOT_FOUND { + return ErrNotExist + } + return fmt.Errorf("%q", SyntaxError{ + Pos : self.p, + Src : self.s, + Code: err, + }.Description()) +} + +func backward(src string, i int) int { + for ; i>=0 && utils.IsSpace(src[i]); i-- {} + return i +} + + +func newRawNode(str string, typ types.ValueType, lock bool) Node { + ret := Node{ + t: typ | _V_RAW, + p: rt.StrPtr(str), + l: uint(len(str)), + } + if lock { + ret.m = new(sync.RWMutex) + } + return ret +} + +var typeJumpTable = [256]types.ValueType{ + '"' : types.V_STRING, + '-' : _V_NUMBER, + '0' : _V_NUMBER, + '1' : _V_NUMBER, + '2' : _V_NUMBER, + '3' : _V_NUMBER, + '4' : _V_NUMBER, + '5' : _V_NUMBER, + '6' : _V_NUMBER, + '7' : _V_NUMBER, + '8' : _V_NUMBER, + '9' : _V_NUMBER, + '[' : types.V_ARRAY, + 'f' : types.V_FALSE, + 'n' : types.V_NULL, + 't' : types.V_TRUE, + '{' : types.V_OBJECT, +} + +func switchRawType(c byte) types.ValueType { + return typeJumpTable[c] +} + +func (self *Node) loadt() types.ValueType { + return (types.ValueType)(atomic.LoadInt64(&self.t)) +} + +func (self *Node) lock() bool { + if m := self.m; m != nil { + m.Lock() + return true + } + return false +} + +func (self *Node) unlock() { + if m := self.m; m != nil { + m.Unlock() + } +} + +func (self *Node) rlock() bool { + if m := self.m; m != nil { + m.RLock() + return true + } + return false +} + +func (self *Node) runlock() { + if m := self.m; m != nil { + m.RUnlock() + } +} diff --git a/vendor/github.com/bytedance/sonic/ast/search.go b/vendor/github.com/bytedance/sonic/ast/search.go new file mode 100644 index 000000000..9a5fb9420 --- /dev/null +++ b/vendor/github.com/bytedance/sonic/ast/search.go @@ -0,0 +1,157 @@ +/* + * Copyright 2021 ByteDance Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package ast + +import ( + `github.com/bytedance/sonic/internal/rt` + `github.com/bytedance/sonic/internal/native/types` +) + +// SearchOptions controls Searcher's behavior +type SearchOptions struct { + // ValidateJSON indicates the searcher to validate the entire JSON + ValidateJSON bool + + // CopyReturn indicates the searcher to copy the result JSON instead of refer from the input + // This can help to reduce memory usage if you cache the results + CopyReturn bool + + // ConcurrentRead indicates the searcher to return a concurrently-READ-safe node, + // including: GetByPath/Get/Index/GetOrIndex/Int64/Bool/Float64/String/Number/Interface/Array/Map/Raw/MarshalJSON + ConcurrentRead bool +} + +type Searcher struct { + parser Parser + SearchOptions +} + +func NewSearcher(str string) *Searcher { + return &Searcher{ + parser: Parser{ + s: str, + noLazy: false, + }, + SearchOptions: SearchOptions{ + ValidateJSON: true, + }, + } +} + +// GetByPathCopy search in depth from top json and returns a **Copied** json node at the path location +func (self *Searcher) GetByPathCopy(path ...interface{}) (Node, error) { + self.CopyReturn = true + return self.getByPath(path...) +} + +// GetByPathNoCopy search in depth from top json and returns a **Referenced** json node at the path location +// +// WARN: this search directly refer partial json from top json, which has faster speed, +// may consumes more memory. +func (self *Searcher) GetByPath(path ...interface{}) (Node, error) { + return self.getByPath(path...) +} + +func (self *Searcher) getByPath(path ...interface{}) (Node, error) { + var err types.ParsingError + var start int + + self.parser.p = 0 + start, err = self.parser.getByPath(self.ValidateJSON, path...) + if err != 0 { + // for compatibility with old version + if err == types.ERR_NOT_FOUND { + return Node{}, ErrNotExist + } + if err == types.ERR_UNSUPPORT_TYPE { + panic("path must be either int(>=0) or string") + } + return Node{}, self.parser.syntaxError(err) + } + + t := switchRawType(self.parser.s[start]) + if t == _V_NONE { + return Node{}, self.parser.ExportError(err) + } + + // copy string to reducing memory usage + var raw string + if self.CopyReturn { + raw = rt.Mem2Str([]byte(self.parser.s[start:self.parser.p])) + } else { + raw = self.parser.s[start:self.parser.p] + } + return newRawNode(raw, t, self.ConcurrentRead), nil +} + +// GetByPath searches a path and returns relaction and types of target +func _GetByPath(src string, path ...interface{}) (start int, end int, typ int, err error) { + p := NewParserObj(src) + s, e := p.getByPath(false, path...) + if e != 0 { + // for compatibility with old version + if e == types.ERR_NOT_FOUND { + return -1, -1, 0, ErrNotExist + } + if e == types.ERR_UNSUPPORT_TYPE { + panic("path must be either int(>=0) or string") + } + return -1, -1, 0, p.syntaxError(e) + } + + t := switchRawType(p.s[s]) + if t == _V_NONE { + return -1, -1, 0, ErrNotExist + } + if t == _V_NUMBER { + p.p = 1 + backward(p.s, p.p-1) + } + return s, p.p, int(t), nil +} + +// ValidSyntax check if a json has a valid JSON syntax, +// while not validate UTF-8 charset +func _ValidSyntax(json string) bool { + p := NewParserObj(json) + _, e := p.skip() + if e != 0 { + return false + } + if skipBlank(p.s, p.p) != -int(types.ERR_EOF) { + return false + } + return true +} + +// SkipFast skip a json value in fast-skip algs, +// while not strictly validate JSON syntax and UTF-8 charset. +func _SkipFast(src string, i int) (int, int, error) { + p := NewParserObj(src) + p.p = i + s, e := p.skipFast() + if e != 0 { + return -1, -1, p.ExportError(e) + } + t := switchRawType(p.s[s]) + if t == _V_NONE { + return -1, -1, ErrNotExist + } + if t == _V_NUMBER { + p.p = 1 + backward(p.s, p.p-1) + } + return s, p.p, nil +} diff --git a/vendor/github.com/bytedance/sonic/ast/stubs.go b/vendor/github.com/bytedance/sonic/ast/stubs.go new file mode 100644 index 000000000..6ba1d7eba --- /dev/null +++ b/vendor/github.com/bytedance/sonic/ast/stubs.go @@ -0,0 +1,28 @@ +/* + * Copyright 2021 ByteDance Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package ast + +import ( + "unsafe" + + "github.com/bytedance/sonic/internal/rt" +) + +//go:nosplit +func mem2ptr(s []byte) unsafe.Pointer { + return (*rt.GoSlice)(unsafe.Pointer(&s)).Ptr +} diff --git a/vendor/github.com/bytedance/sonic/ast/visitor.go b/vendor/github.com/bytedance/sonic/ast/visitor.go new file mode 100644 index 000000000..53faeb9c0 --- /dev/null +++ b/vendor/github.com/bytedance/sonic/ast/visitor.go @@ -0,0 +1,333 @@ +/* + * Copyright 2021 ByteDance Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package ast + +import ( + `encoding/json` + `errors` + + `github.com/bytedance/sonic/internal/native/types` + `github.com/bytedance/sonic/unquote` +) + +// Visitor handles the callbacks during preorder traversal of a JSON AST. +// +// According to the JSON RFC8259, a JSON AST can be defined by +// the following rules without separator / whitespace tokens. +// +// JSON-AST = value +// value = false / null / true / object / array / number / string +// object = begin-object [ member *( member ) ] end-object +// member = string value +// array = begin-array [ value *( value ) ] end-array +// +type Visitor interface { + + // OnNull handles a JSON null value. + OnNull() error + + // OnBool handles a JSON true / false value. + OnBool(v bool) error + + // OnString handles a JSON string value. + OnString(v string) error + + // OnInt64 handles a JSON number value with int64 type. + OnInt64(v int64, n json.Number) error + + // OnFloat64 handles a JSON number value with float64 type. + OnFloat64(v float64, n json.Number) error + + // OnObjectBegin handles the beginning of a JSON object value with a + // suggested capacity that can be used to make your custom object container. + // + // After this point the visitor will receive a sequence of callbacks like + // [string, value, string, value, ......, ObjectEnd]. + // + // Note: + // 1. This is a recursive definition which means the value can + // also be a JSON object / array described by a sequence of callbacks. + // 2. The suggested capacity will be 0 if current object is empty. + // 3. Currently sonic use a fixed capacity for non-empty object (keep in + // sync with ast.Node) which might not be very suitable. This may be + // improved in future version. + OnObjectBegin(capacity int) error + + // OnObjectKey handles a JSON object key string in member. + OnObjectKey(key string) error + + // OnObjectEnd handles the ending of a JSON object value. + OnObjectEnd() error + + // OnArrayBegin handles the beginning of a JSON array value with a + // suggested capacity that can be used to make your custom array container. + // + // After this point the visitor will receive a sequence of callbacks like + // [value, value, value, ......, ArrayEnd]. + // + // Note: + // 1. This is a recursive definition which means the value can + // also be a JSON object / array described by a sequence of callbacks. + // 2. The suggested capacity will be 0 if current array is empty. + // 3. Currently sonic use a fixed capacity for non-empty array (keep in + // sync with ast.Node) which might not be very suitable. This may be + // improved in future version. + OnArrayBegin(capacity int) error + + // OnArrayEnd handles the ending of a JSON array value. + OnArrayEnd() error +} + +// VisitorOptions contains all Visitor's options. The default value is an +// empty VisitorOptions{}. +type VisitorOptions struct { + // OnlyNumber indicates parser to directly return number value without + // conversion, then the first argument of OnInt64 / OnFloat64 will always + // be zero. + OnlyNumber bool +} + +var defaultVisitorOptions = &VisitorOptions{} + +// Preorder decodes the whole JSON string and callbacks each AST node to visitor +// during preorder traversal. Any visitor method with an error returned will +// break the traversal and the given error will be directly returned. The opts +// argument can be reused after every call. +func Preorder(str string, visitor Visitor, opts *VisitorOptions) error { + if opts == nil { + opts = defaultVisitorOptions + } + // process VisitorOptions first to guarantee that all options will be + // constant during decoding and make options more readable. + var ( + optDecodeNumber = !opts.OnlyNumber + ) + + tv := &traverser{ + parser: Parser{ + s: str, + noLazy: true, + skipValue: false, + }, + visitor: visitor, + } + + if optDecodeNumber { + tv.parser.decodeNumber(true) + } + + err := tv.decodeValue() + + if optDecodeNumber { + tv.parser.decodeNumber(false) + } + return err +} + +type traverser struct { + parser Parser + visitor Visitor +} + +// NOTE: keep in sync with (*Parser).Parse method. +func (self *traverser) decodeValue() error { + switch val := self.parser.decodeValue(); val.Vt { + case types.V_EOF: + return types.ERR_EOF + case types.V_NULL: + return self.visitor.OnNull() + case types.V_TRUE: + return self.visitor.OnBool(true) + case types.V_FALSE: + return self.visitor.OnBool(false) + case types.V_STRING: + return self.decodeString(val.Iv, val.Ep) + case types.V_DOUBLE: + return self.visitor.OnFloat64(val.Dv, + json.Number(self.parser.s[val.Ep:self.parser.p])) + case types.V_INTEGER: + return self.visitor.OnInt64(val.Iv, + json.Number(self.parser.s[val.Ep:self.parser.p])) + case types.V_ARRAY: + return self.decodeArray() + case types.V_OBJECT: + return self.decodeObject() + default: + return types.ParsingError(-val.Vt) + } +} + +// NOTE: keep in sync with (*Parser).decodeArray method. +func (self *traverser) decodeArray() error { + sp := self.parser.p + ns := len(self.parser.s) + + /* allocate array space and parse every element */ + if err := self.visitor.OnArrayBegin(_DEFAULT_NODE_CAP); err != nil { + if err == VisitOPSkip { + // NOTICE: for user needs to skip entry object + self.parser.p -= 1 + if _, e := self.parser.skipFast(); e != 0 { + return e + } + return self.visitor.OnArrayEnd() + } + return err + } + + /* check for EOF */ + self.parser.p = self.parser.lspace(sp) + if self.parser.p >= ns { + return types.ERR_EOF + } + + /* check for empty array */ + if self.parser.s[self.parser.p] == ']' { + self.parser.p++ + return self.visitor.OnArrayEnd() + } + + for { + /* decode the value */ + if err := self.decodeValue(); err != nil { + return err + } + self.parser.p = self.parser.lspace(self.parser.p) + + /* check for EOF */ + if self.parser.p >= ns { + return types.ERR_EOF + } + + /* check for the next character */ + switch self.parser.s[self.parser.p] { + case ',': + self.parser.p++ + case ']': + self.parser.p++ + return self.visitor.OnArrayEnd() + default: + return types.ERR_INVALID_CHAR + } + } +} + +// NOTE: keep in sync with (*Parser).decodeObject method. +func (self *traverser) decodeObject() error { + sp := self.parser.p + ns := len(self.parser.s) + + /* allocate object space and decode each pair */ + if err := self.visitor.OnObjectBegin(_DEFAULT_NODE_CAP); err != nil { + if err == VisitOPSkip { + // NOTICE: for user needs to skip entry object + self.parser.p -= 1 + if _, e := self.parser.skipFast(); e != 0 { + return e + } + return self.visitor.OnObjectEnd() + } + return err + } + + /* check for EOF */ + self.parser.p = self.parser.lspace(sp) + if self.parser.p >= ns { + return types.ERR_EOF + } + + /* check for empty object */ + if self.parser.s[self.parser.p] == '}' { + self.parser.p++ + return self.visitor.OnObjectEnd() + } + + for { + var njs types.JsonState + var err types.ParsingError + + /* decode the key */ + if njs = self.parser.decodeValue(); njs.Vt != types.V_STRING { + return types.ERR_INVALID_CHAR + } + + /* extract the key */ + idx := self.parser.p - 1 + key := self.parser.s[njs.Iv:idx] + + /* check for escape sequence */ + if njs.Ep != -1 { + if key, err = unquote.String(key); err != 0 { + return err + } + } + + if err := self.visitor.OnObjectKey(key); err != nil { + return err + } + + /* expect a ':' delimiter */ + if err = self.parser.delim(); err != 0 { + return err + } + + /* decode the value */ + if err := self.decodeValue(); err != nil { + return err + } + + self.parser.p = self.parser.lspace(self.parser.p) + + /* check for EOF */ + if self.parser.p >= ns { + return types.ERR_EOF + } + + /* check for the next character */ + switch self.parser.s[self.parser.p] { + case ',': + self.parser.p++ + case '}': + self.parser.p++ + return self.visitor.OnObjectEnd() + default: + return types.ERR_INVALID_CHAR + } + } +} + +// NOTE: keep in sync with (*Parser).decodeString method. +func (self *traverser) decodeString(iv int64, ep int) error { + p := self.parser.p - 1 + s := self.parser.s[iv:p] + + /* fast path: no escape sequence */ + if ep == -1 { + return self.visitor.OnString(s) + } + + /* unquote the string */ + out, err := unquote.String(s) + if err != 0 { + return err + } + return self.visitor.OnString(out) +} + +// If visitor return this error on `OnObjectBegin()` or `OnArrayBegin()`, +// the traverser will skip entry object or array +var VisitOPSkip = errors.New("") diff --git a/vendor/github.com/bytedance/sonic/compat.go b/vendor/github.com/bytedance/sonic/compat.go new file mode 100644 index 000000000..1fa670a48 --- /dev/null +++ b/vendor/github.com/bytedance/sonic/compat.go @@ -0,0 +1,143 @@ +// +build !amd64,!arm64 go1.26 !go1.17 arm64,!go1.20 + +/* + * Copyright 2021 ByteDance Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package sonic + +import ( + `bytes` + `encoding/json` + `io` + `reflect` + + `github.com/bytedance/sonic/option` +) + +const apiKind = UseStdJSON + +type frozenConfig struct { + Config +} + +// Froze convert the Config to API +func (cfg Config) Froze() API { + api := &frozenConfig{Config: cfg} + return api +} + +func (cfg frozenConfig) marshalOptions(val interface{}, prefix, indent string) ([]byte, error) { + w := bytes.NewBuffer([]byte{}) + enc := json.NewEncoder(w) + enc.SetEscapeHTML(cfg.EscapeHTML) + enc.SetIndent(prefix, indent) + err := enc.Encode(val) + out := w.Bytes() + + // json.Encoder always appends '\n' after encoding, + // which is not same with json.Marshal() + if len(out) > 0 && out[len(out)-1] == '\n' { + out = out[:len(out)-1] + } + return out, err +} + +// Marshal is implemented by sonic +func (cfg frozenConfig) Marshal(val interface{}) ([]byte, error) { + if !cfg.EscapeHTML { + return cfg.marshalOptions(val, "", "") + } + return json.Marshal(val) +} + +// MarshalToString is implemented by sonic +func (cfg frozenConfig) MarshalToString(val interface{}) (string, error) { + out, err := cfg.Marshal(val) + return string(out), err +} + +// MarshalIndent is implemented by sonic +func (cfg frozenConfig) MarshalIndent(val interface{}, prefix, indent string) ([]byte, error) { + if !cfg.EscapeHTML { + return cfg.marshalOptions(val, prefix, indent) + } + return json.MarshalIndent(val, prefix, indent) +} + +// UnmarshalFromString is implemented by sonic +func (cfg frozenConfig) UnmarshalFromString(buf string, val interface{}) error { + r := bytes.NewBufferString(buf) + dec := json.NewDecoder(r) + if cfg.UseNumber { + dec.UseNumber() + } + if cfg.DisallowUnknownFields { + dec.DisallowUnknownFields() + } + err := dec.Decode(val) + if err != nil { + return err + } + + // check the trailing chars + offset := dec.InputOffset() + if t, err := dec.Token(); !(t == nil && err == io.EOF) { + return &json.SyntaxError{ Offset: offset} + } + return nil +} + +// Unmarshal is implemented by sonic +func (cfg frozenConfig) Unmarshal(buf []byte, val interface{}) error { + return cfg.UnmarshalFromString(string(buf), val) +} + +// NewEncoder is implemented by sonic +func (cfg frozenConfig) NewEncoder(writer io.Writer) Encoder { + enc := json.NewEncoder(writer) + if !cfg.EscapeHTML { + enc.SetEscapeHTML(cfg.EscapeHTML) + } + return enc +} + +// NewDecoder is implemented by sonic +func (cfg frozenConfig) NewDecoder(reader io.Reader) Decoder { + dec := json.NewDecoder(reader) + if cfg.UseNumber { + dec.UseNumber() + } + if cfg.DisallowUnknownFields { + dec.DisallowUnknownFields() + } + return dec +} + +// Valid is implemented by sonic +func (cfg frozenConfig) Valid(data []byte) bool { + return json.Valid(data) +} + +// Pretouch compiles vt ahead-of-time to avoid JIT compilation on-the-fly, in +// order to reduce the first-hit latency at **amd64** Arch. +// Opts are the compile options, for example, "option.WithCompileRecursiveDepth" is +// a compile option to set the depth of recursive compile for the nested struct type. +// * This is the none implement for !amd64. +// It will be useful for someone who develop with !amd64 arch,like Mac M1. +func Pretouch(vt reflect.Type, opts ...option.CompileOption) error { + return nil +} + diff --git a/vendor/github.com/bytedance/sonic/decoder/decoder_compat.go b/vendor/github.com/bytedance/sonic/decoder/decoder_compat.go new file mode 100644 index 000000000..75b21746f --- /dev/null +++ b/vendor/github.com/bytedance/sonic/decoder/decoder_compat.go @@ -0,0 +1,201 @@ +//go:build (!amd64 && !arm64) || go1.26 || !go1.17 || (arm64 && !go1.20) +// +build !amd64,!arm64 go1.26 !go1.17 arm64,!go1.20 + +/* +* Copyright 2023 ByteDance Inc. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. + */ + +package decoder + +import ( + "bytes" + "encoding/json" + "io" + "reflect" + "unsafe" + + "github.com/bytedance/sonic/internal/decoder/consts" + "github.com/bytedance/sonic/internal/native/types" + "github.com/bytedance/sonic/option" + "github.com/bytedance/sonic/internal/compat" +) + +func init() { + compat.Warn("sonic/decoder") +} + +const ( + _F_use_int64 = consts.F_use_int64 + _F_disable_urc = consts.F_disable_unknown + _F_disable_unknown = consts.F_disable_unknown + _F_copy_string = consts.F_copy_string + + _F_use_number = consts.F_use_number + _F_validate_string = consts.F_validate_string + _F_allow_control = consts.F_allow_control + _F_no_validate_json = consts.F_no_validate_json + _F_case_sensitive = consts.F_case_sensitive +) + +type Options uint64 + +const ( + OptionUseInt64 Options = 1 << _F_use_int64 + OptionUseNumber Options = 1 << _F_use_number + OptionUseUnicodeErrors Options = 1 << _F_disable_urc + OptionDisableUnknown Options = 1 << _F_disable_unknown + OptionCopyString Options = 1 << _F_copy_string + OptionValidateString Options = 1 << _F_validate_string + OptionNoValidateJSON Options = 1 << _F_no_validate_json + OptionCaseSensitive Options = 1 << _F_case_sensitive +) + +func (self *Decoder) SetOptions(opts Options) { + if (opts & OptionUseNumber != 0) && (opts & OptionUseInt64 != 0) { + panic("can't set OptionUseInt64 and OptionUseNumber both!") + } + self.f = uint64(opts) +} + + +// Decoder is the decoder context object +type Decoder struct { + i int + f uint64 + s string +} + +// NewDecoder creates a new decoder instance. +func NewDecoder(s string) *Decoder { + return &Decoder{s: s} +} + +// Pos returns the current decoding position. +func (self *Decoder) Pos() int { + return self.i +} + +func (self *Decoder) Reset(s string) { + self.s = s + self.i = 0 + // self.f = 0 +} + +// NOTE: api fallback do nothing +func (self *Decoder) CheckTrailings() error { + pos := self.i + buf := self.s + /* skip all the trailing spaces */ + if pos != len(buf) { + for pos < len(buf) && (types.SPACE_MASK & (1 << buf[pos])) != 0 { + pos++ + } + } + + /* then it must be at EOF */ + if pos == len(buf) { + return nil + } + + /* junk after JSON value */ + return nil +} + + +// Decode parses the JSON-encoded data from current position and stores the result +// in the value pointed to by val. +func (self *Decoder) Decode(val interface{}) error { + r := bytes.NewBufferString(self.s) + dec := json.NewDecoder(r) + if (self.f & uint64(OptionUseNumber)) != 0 { + dec.UseNumber() + } + if (self.f & uint64(OptionDisableUnknown)) != 0 { + dec.DisallowUnknownFields() + } + return dec.Decode(val) +} + +// UseInt64 indicates the Decoder to unmarshal an integer into an interface{} as an +// int64 instead of as a float64. +func (self *Decoder) UseInt64() { + self.f |= 1 << _F_use_int64 + self.f &^= 1 << _F_use_number +} + +// UseNumber indicates the Decoder to unmarshal a number into an interface{} as a +// json.Number instead of as a float64. +func (self *Decoder) UseNumber() { + self.f &^= 1 << _F_use_int64 + self.f |= 1 << _F_use_number +} + +// UseUnicodeErrors indicates the Decoder to return an error when encounter invalid +// UTF-8 escape sequences. +func (self *Decoder) UseUnicodeErrors() { + self.f |= 1 << _F_disable_urc +} + +// DisallowUnknownFields indicates the Decoder to return an error when the destination +// is a struct and the input contains object keys which do not match any +// non-ignored, exported fields in the destination. +func (self *Decoder) DisallowUnknownFields() { + self.f |= 1 << _F_disable_unknown +} + +// CopyString indicates the Decoder to decode string values by copying instead of referring. +func (self *Decoder) CopyString() { + self.f |= 1 << _F_copy_string +} + +// ValidateString causes the Decoder to validate string values when decoding string value +// in JSON. Validation is that, returning error when unescaped control chars(0x00-0x1f) or +// invalid UTF-8 chars in the string value of JSON. +func (self *Decoder) ValidateString() { + self.f |= 1 << _F_validate_string +} + +// Pretouch compiles vt ahead-of-time to avoid JIT compilation on-the-fly, in +// order to reduce the first-hit latency. +// +// Opts are the compile options, for example, "option.WithCompileRecursiveDepth" is +// a compile option to set the depth of recursive compile for the nested struct type. +func Pretouch(vt reflect.Type, opts ...option.CompileOption) error { + return nil +} + +type StreamDecoder = json.Decoder + +// NewStreamDecoder adapts to encoding/json.NewDecoder API. +// +// NewStreamDecoder returns a new decoder that reads from r. +func NewStreamDecoder(r io.Reader) *StreamDecoder { + return json.NewDecoder(r) +} + +// SyntaxError represents json syntax error +type SyntaxError json.SyntaxError + +// Description +func (s SyntaxError) Description() string { + return (*json.SyntaxError)(unsafe.Pointer(&s)).Error() +} +// Error +func (s SyntaxError) Error() string { + return (*json.SyntaxError)(unsafe.Pointer(&s)).Error() +} + +// MismatchTypeError represents mismatching between json and object +type MismatchTypeError json.UnmarshalTypeError diff --git a/vendor/github.com/bytedance/sonic/decoder/decoder_native.go b/vendor/github.com/bytedance/sonic/decoder/decoder_native.go new file mode 100644 index 000000000..4313a4e14 --- /dev/null +++ b/vendor/github.com/bytedance/sonic/decoder/decoder_native.go @@ -0,0 +1,72 @@ +//go:build (amd64 && go1.17 && !go1.26) || (arm64 && go1.20 && !go1.26) +// +build amd64,go1.17,!go1.26 arm64,go1.20,!go1.26 + + +/* +* Copyright 2023 ByteDance Inc. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +package decoder + +import ( + `github.com/bytedance/sonic/internal/decoder/api` +) + +// Decoder is the decoder context object +type Decoder = api.Decoder + +// SyntaxError represents json syntax error +type SyntaxError = api.SyntaxError + +// MismatchTypeError represents mismatching between json and object +type MismatchTypeError = api.MismatchTypeError + +// Options for decode. +type Options = api.Options + +const ( + OptionUseInt64 Options = api.OptionUseInt64 + OptionUseNumber Options = api.OptionUseNumber + OptionUseUnicodeErrors Options = api.OptionUseUnicodeErrors + OptionDisableUnknown Options = api.OptionDisableUnknown + OptionCopyString Options = api.OptionCopyString + OptionValidateString Options = api.OptionValidateString + OptionNoValidateJSON Options = api.OptionNoValidateJSON + OptionCaseSensitive Options = api.OptionCaseSensitive +) + +// StreamDecoder is the decoder context object for streaming input. +type StreamDecoder = api.StreamDecoder + +var ( + // NewDecoder creates a new decoder instance. + NewDecoder = api.NewDecoder + + // NewStreamDecoder adapts to encoding/json.NewDecoder API. + // + // NewStreamDecoder returns a new decoder that reads from r. + NewStreamDecoder = api.NewStreamDecoder + + // Pretouch compiles vt ahead-of-time to avoid JIT compilation on-the-fly, in + // order to reduce the first-hit latency. + // + // Opts are the compile options, for example, "option.WithCompileRecursiveDepth" is + // a compile option to set the depth of recursive compile for the nested struct type. + Pretouch = api.Pretouch + + // Skip skips only one json value, and returns first non-blank character position and its ending position if it is valid. + // Otherwise, returns negative error code using start and invalid character position using end + Skip = api.Skip +) diff --git a/vendor/github.com/bytedance/sonic/encoder/encoder_compat.go b/vendor/github.com/bytedance/sonic/encoder/encoder_compat.go new file mode 100644 index 000000000..a7350548a --- /dev/null +++ b/vendor/github.com/bytedance/sonic/encoder/encoder_compat.go @@ -0,0 +1,262 @@ +// +build !amd64,!arm64 go1.26 !go1.17 arm64,!go1.20 + +/* +* Copyright 2023 ByteDance Inc. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +package encoder + +import ( + `io` + `bytes` + `encoding/json` + `reflect` + + `github.com/bytedance/sonic/option` + `github.com/bytedance/sonic/internal/compat` +) + +func init() { + compat.Warn("sonic/encoder") +} + +// EnableFallback indicates if encoder use fallback +const EnableFallback = true + +// Options is a set of encoding options. +type Options uint64 + +const ( + bitSortMapKeys = iota + bitEscapeHTML + bitCompactMarshaler + bitNoQuoteTextMarshaler + bitNoNullSliceOrMap + bitValidateString + bitNoValidateJSONMarshaler + bitNoEncoderNewline + + // used for recursive compile + bitPointerValue = 63 +) + +const ( + // SortMapKeys indicates that the keys of a map needs to be sorted + // before serializing into JSON. + // WARNING: This hurts performance A LOT, USE WITH CARE. + SortMapKeys Options = 1 << bitSortMapKeys + + // EscapeHTML indicates encoder to escape all HTML characters + // after serializing into JSON (see https://pkg.go.dev/encoding/json#HTMLEscape). + // WARNING: This hurts performance A LOT, USE WITH CARE. + EscapeHTML Options = 1 << bitEscapeHTML + + // CompactMarshaler indicates that the output JSON from json.Marshaler + // is always compact and needs no validation + CompactMarshaler Options = 1 << bitCompactMarshaler + + // NoQuoteTextMarshaler indicates that the output text from encoding.TextMarshaler + // is always escaped string and needs no quoting + NoQuoteTextMarshaler Options = 1 << bitNoQuoteTextMarshaler + + // NoNullSliceOrMap indicates all empty Array or Object are encoded as '[]' or '{}', + // instead of 'null' + NoNullSliceOrMap Options = 1 << bitNoNullSliceOrMap + + // ValidateString indicates that encoder should validate the input string + // before encoding it into JSON. + ValidateString Options = 1 << bitValidateString + + // NoValidateJSONMarshaler indicates that the encoder should not validate the output string + // after encoding the JSONMarshaler to JSON. + NoValidateJSONMarshaler Options = 1 << bitNoValidateJSONMarshaler + + // NoEncoderNewline indicates that the encoder should not add a newline after every message + NoEncoderNewline Options = 1 << bitNoEncoderNewline + + // CompatibleWithStd is used to be compatible with std encoder. + CompatibleWithStd Options = SortMapKeys | EscapeHTML | CompactMarshaler +) + +// Encoder represents a specific set of encoder configurations. +type Encoder struct { + Opts Options + prefix string + indent string +} + +// Encode returns the JSON encoding of v. +func (self *Encoder) Encode(v interface{}) ([]byte, error) { + if self.indent != "" || self.prefix != "" { + return EncodeIndented(v, self.prefix, self.indent, self.Opts) + } + return Encode(v, self.Opts) +} + +// SortKeys enables the SortMapKeys option. +func (self *Encoder) SortKeys() *Encoder { + self.Opts |= SortMapKeys + return self +} + +// SetEscapeHTML specifies if option EscapeHTML opens +func (self *Encoder) SetEscapeHTML(f bool) { + if f { + self.Opts |= EscapeHTML + } else { + self.Opts &= ^EscapeHTML + } +} + +// SetValidateString specifies if option ValidateString opens +func (self *Encoder) SetValidateString(f bool) { + if f { + self.Opts |= ValidateString + } else { + self.Opts &= ^ValidateString + } +} + +// SetNoValidateJSONMarshaler specifies if option NoValidateJSONMarshaler opens +func (self *Encoder) SetNoValidateJSONMarshaler(f bool) { + if f { + self.Opts |= NoValidateJSONMarshaler + } else { + self.Opts &= ^NoValidateJSONMarshaler + } +} + +// SetNoEncoderNewline specifies if option NoEncoderNewline opens +func (self *Encoder) SetNoEncoderNewline(f bool) { + if f { + self.Opts |= NoEncoderNewline + } else { + self.Opts &= ^NoEncoderNewline + } +} + +// SetCompactMarshaler specifies if option CompactMarshaler opens +func (self *Encoder) SetCompactMarshaler(f bool) { + if f { + self.Opts |= CompactMarshaler + } else { + self.Opts &= ^CompactMarshaler + } +} + +// SetNoQuoteTextMarshaler specifies if option NoQuoteTextMarshaler opens +func (self *Encoder) SetNoQuoteTextMarshaler(f bool) { + if f { + self.Opts |= NoQuoteTextMarshaler + } else { + self.Opts &= ^NoQuoteTextMarshaler + } +} + +// SetIndent instructs the encoder to format each subsequent encoded +// value as if indented by the package-level function EncodeIndent(). +// Calling SetIndent("", "") disables indentation. +func (enc *Encoder) SetIndent(prefix, indent string) { + enc.prefix = prefix + enc.indent = indent +} + +// Quote returns the JSON-quoted version of s. +func Quote(s string) string { + /* check for empty string */ + if s == "" { + return `""` + } + + out, _ := json.Marshal(s) + return string(out) +} + +// Encode returns the JSON encoding of val, encoded with opts. +func Encode(val interface{}, opts Options) ([]byte, error) { + return json.Marshal(val) +} + +// EncodeInto is like Encode but uses a user-supplied buffer instead of allocating +// a new one. +func EncodeInto(buf *[]byte, val interface{}, opts Options) error { + if buf == nil { + panic("user-supplied buffer buf is nil") + } + w := bytes.NewBuffer(*buf) + enc := json.NewEncoder(w) + enc.SetEscapeHTML((opts & EscapeHTML) != 0) + err := enc.Encode(val) + *buf = w.Bytes() + l := len(*buf) + if l > 0 && (opts & NoEncoderNewline != 0) && (*buf)[l-1] == '\n' { + *buf = (*buf)[:l-1] + } + return err +} + +// HTMLEscape appends to dst the JSON-encoded src with <, >, &, U+2028 and U+2029 +// characters inside string literals changed to \u003c, \u003e, \u0026, \u2028, \u2029 +// so that the JSON will be safe to embed inside HTML