From 0d2d62e18ee7fbed98644c6700d63174b29d90ca Mon Sep 17 00:00:00 2001 From: Stefan Moro Date: Thu, 13 Jul 2023 11:48:21 +0200 Subject: [PATCH] Initial squash --- .editorconfig | 10 + .github/CODE_OF_CONDUCT.md | 6 + .github/ISSUE_TEMPLATE/bug.yml | 18 + .github/ISSUE_TEMPLATE/config.yml | 1 + .github/ISSUE_TEMPLATE/feature_request.yml | 8 + .github/ISSUE_TEMPLATE/question.yml | 8 + .github/ISSUE_TEMPLATE/vulnerability.yml | 13 + .github/PULL_REQUEST_TEMPLATE.md | 2 + .github/SECURITY.md | 4 + .github/actions/runGradleTask/action.yml | 20 + .github/workflows/build.yml | 25 ++ .github/workflows/dependencyReport.yml | 37 ++ .github/workflows/publish.yml | 67 +++ .github/workflows/staticAnalysis.yml | 29 ++ .gitignore | 6 + .idea/.gitignore | 14 + .idea/artifacts/library_jvm.xml | 8 + .idea/artifacts/samples_desktop_jvm.xml | 6 + ...mples_multiplatform_kotlin_desktop_jvm.xml | 8 + .../samples_multiplatform_kotlin_jvm_jvm.xml | 8 + ...amples_multiplatform_kotlin_shared_jvm.xml | 8 + .idea/artifacts/samples_shared_jvm.xml | 6 + .idea/codeStyles/Project.xml | 29 ++ .idea/codeStyles/codeStyleConfig.xml | 5 + .idea/compiler.xml | 6 + .idea/inspectionProfiles/Project_Default.xml | 15 + .idea/jarRepositories.xml | 25 ++ .idea/kotlinc.xml | 6 + .idea/misc.xml | 10 + .idea/vcs.xml | 6 + .scripts/check_ktlint.sh | 14 + .scripts/dependency_report_generate.sh | 50 +++ .scripts/dispatch_release.sh | 44 ++ .../dependency_report_as_github_json.sh | 87 ++++ .scripts/github/release.sh | 23 ++ .scripts/hooks/pre-commit | 38 ++ .sdkmanrc | 3 + CONTRIBUTING.md | 7 + LICENSE | 201 +++++++++ Package.swift | 18 + README.md | 59 +++ build.gradle.kts | 20 + gradle.properties | 5 + gradle/wrapper/gradle-wrapper.jar | Bin 0 -> 63721 bytes gradle/wrapper/gradle-wrapper.properties | 7 + gradlew | 249 +++++++++++ gradlew.bat | 92 +++++ library/build.gradle.kts | 82 ++++ .../internal/FileSystemSupplier.kt | 8 + .../networktime/internal/HostNameResolver.kt | 138 +++++++ .../internal/NTPUDPSocketOperations.kt | 91 +++++ .../kotlin/com/tidal/networktime/NTPServer.kt | 47 +++ .../com/tidal/networktime/NTPVersion.kt | 12 + .../com/tidal/networktime/ProtocolFamily.kt | 19 + .../com/tidal/networktime/SNTPClient.kt | 58 +++ .../networktime/internal/EpochTimestamp.kt | 26 ++ .../internal/FileSystemSupplier.kt | 8 + .../networktime/internal/HostNameResolver.kt | 13 + .../internal/KotlinXDateTimeSystemClock.kt | 10 + .../networktime/internal/MutableState.kt | 10 + .../internal/NTPExchangeCoordinator.kt | 42 ++ .../networktime/internal/NTPExchangeResult.kt | 70 ++++ .../tidal/networktime/internal/NTPPacket.kt | 25 ++ .../internal/NTPPacketDeserializer.kt | 94 +++++ .../internal/NTPPacketSerializer.kt | 30 ++ .../networktime/internal/NTPTimestamp.kt | 27 ++ .../internal/NTPUDPSocketOperations.kt | 10 + .../internal/OperationCoordinator.kt | 38 ++ .../networktime/internal/SNTPClientImpl.kt | 45 ++ .../tidal/networktime/internal/SyncDisable.kt | 11 + .../tidal/networktime/internal/SyncEnable.kt | 27 ++ .../networktime/internal/SyncPeriodic.kt | 29 ++ .../networktime/internal/SyncSingular.kt | 80 ++++ .../internal/SynchronizationResult.kt | 10 + .../SynchronizationResultProcessor.kt | 42 ++ .../internal/FileSystemSupplier.kt | 8 + .../networktime/internal/HostNameResolver.kt | 32 ++ .../internal/NTPUDPSocketOperations.kt | 25 ++ .../cinterop/NetworkFrameworkWorkaround.def | 31 ++ .../android/build.gradle.kts | 33 ++ .../src/androidMain/AndroidManifest.xml | 17 + .../androidMain/kotlin/root/MainActivity.kt | 35 ++ .../kotlin/root/MainApplication.kt | 8 + .../src/androidMain/res/values/themes.xml | 5 + .../iOS.xcodeproj/project.pbxproj | 385 ++++++++++++++++++ .../contents.xcworkspacedata | 7 + .../xcshareddata/IDEWorkspaceChecks.plist | 8 + .../AccentColor.colorset/Contents.json | 11 + .../AppIcon.appiconset/Contents.json | 13 + .../iOS/Assets.xcassets/Contents.json | 6 + .../iOS/ContentView.swift | 24 ++ .../Preview Assets.xcassets/Contents.json | 6 + samples/multiplatform-kotlin/iOS/iOSApp.swift | 10 + samples/multiplatform-kotlin/jvm/.gitignore | 1 + .../multiplatform-kotlin/jvm/build.gradle.kts | 28 ++ .../jvm/src/jvmMain/kotlin/root/Main.kt | 9 + .../shared/build.gradle.kts | 33 ++ .../src/commonMain/kotlin/root/MainScreen.kt | 74 ++++ .../src/commonMain/kotlin/root/MainState.kt | 9 + .../commonMain/kotlin/root/MainViewModel.kt | 56 +++ .../commonMain/kotlin/root/StateCalculator.kt | 16 + .../src/iosMain/kotlin/MainViewController.kt | 8 + settings.gradle.kts | 13 + 103 files changed, 3344 insertions(+) create mode 100644 .editorconfig create mode 100644 .github/CODE_OF_CONDUCT.md create mode 100644 .github/ISSUE_TEMPLATE/bug.yml create mode 100644 .github/ISSUE_TEMPLATE/config.yml create mode 100644 .github/ISSUE_TEMPLATE/feature_request.yml create mode 100644 .github/ISSUE_TEMPLATE/question.yml create mode 100644 .github/ISSUE_TEMPLATE/vulnerability.yml create mode 100644 .github/PULL_REQUEST_TEMPLATE.md create mode 100644 .github/SECURITY.md create mode 100644 .github/actions/runGradleTask/action.yml create mode 100644 .github/workflows/build.yml create mode 100644 .github/workflows/dependencyReport.yml create mode 100644 .github/workflows/publish.yml create mode 100644 .github/workflows/staticAnalysis.yml create mode 100644 .gitignore create mode 100644 .idea/.gitignore create mode 100644 .idea/artifacts/library_jvm.xml create mode 100644 .idea/artifacts/samples_desktop_jvm.xml create mode 100644 .idea/artifacts/samples_multiplatform_kotlin_desktop_jvm.xml create mode 100644 .idea/artifacts/samples_multiplatform_kotlin_jvm_jvm.xml create mode 100644 .idea/artifacts/samples_multiplatform_kotlin_shared_jvm.xml create mode 100644 .idea/artifacts/samples_shared_jvm.xml create mode 100644 .idea/codeStyles/Project.xml create mode 100644 .idea/codeStyles/codeStyleConfig.xml create mode 100644 .idea/compiler.xml create mode 100644 .idea/inspectionProfiles/Project_Default.xml create mode 100644 .idea/jarRepositories.xml create mode 100644 .idea/kotlinc.xml create mode 100644 .idea/misc.xml create mode 100644 .idea/vcs.xml create mode 100755 .scripts/check_ktlint.sh create mode 100755 .scripts/dependency_report_generate.sh create mode 100755 .scripts/dispatch_release.sh create mode 100755 .scripts/github/dependency_report_as_github_json.sh create mode 100755 .scripts/github/release.sh create mode 100755 .scripts/hooks/pre-commit create mode 100644 .sdkmanrc create mode 100644 CONTRIBUTING.md create mode 100644 LICENSE create mode 100644 Package.swift create mode 100644 README.md create mode 100644 build.gradle.kts create mode 100644 gradle.properties create mode 100644 gradle/wrapper/gradle-wrapper.jar create mode 100644 gradle/wrapper/gradle-wrapper.properties create mode 100755 gradlew create mode 100644 gradlew.bat create mode 100644 library/build.gradle.kts create mode 100644 library/src/appleMain/kotlin/com/tidal/networktime/internal/FileSystemSupplier.kt create mode 100644 library/src/appleMain/kotlin/com/tidal/networktime/internal/HostNameResolver.kt create mode 100644 library/src/appleMain/kotlin/com/tidal/networktime/internal/NTPUDPSocketOperations.kt create mode 100644 library/src/commonMain/kotlin/com/tidal/networktime/NTPServer.kt create mode 100644 library/src/commonMain/kotlin/com/tidal/networktime/NTPVersion.kt create mode 100644 library/src/commonMain/kotlin/com/tidal/networktime/ProtocolFamily.kt create mode 100644 library/src/commonMain/kotlin/com/tidal/networktime/SNTPClient.kt create mode 100644 library/src/commonMain/kotlin/com/tidal/networktime/internal/EpochTimestamp.kt create mode 100644 library/src/commonMain/kotlin/com/tidal/networktime/internal/FileSystemSupplier.kt create mode 100644 library/src/commonMain/kotlin/com/tidal/networktime/internal/HostNameResolver.kt create mode 100644 library/src/commonMain/kotlin/com/tidal/networktime/internal/KotlinXDateTimeSystemClock.kt create mode 100644 library/src/commonMain/kotlin/com/tidal/networktime/internal/MutableState.kt create mode 100644 library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPExchangeCoordinator.kt create mode 100644 library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPExchangeResult.kt create mode 100644 library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPPacket.kt create mode 100644 library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPPacketDeserializer.kt create mode 100644 library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPPacketSerializer.kt create mode 100644 library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPTimestamp.kt create mode 100644 library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPUDPSocketOperations.kt create mode 100644 library/src/commonMain/kotlin/com/tidal/networktime/internal/OperationCoordinator.kt create mode 100644 library/src/commonMain/kotlin/com/tidal/networktime/internal/SNTPClientImpl.kt create mode 100644 library/src/commonMain/kotlin/com/tidal/networktime/internal/SyncDisable.kt create mode 100644 library/src/commonMain/kotlin/com/tidal/networktime/internal/SyncEnable.kt create mode 100644 library/src/commonMain/kotlin/com/tidal/networktime/internal/SyncPeriodic.kt create mode 100644 library/src/commonMain/kotlin/com/tidal/networktime/internal/SyncSingular.kt create mode 100644 library/src/commonMain/kotlin/com/tidal/networktime/internal/SynchronizationResult.kt create mode 100644 library/src/commonMain/kotlin/com/tidal/networktime/internal/SynchronizationResultProcessor.kt create mode 100644 library/src/jvmMain/kotlin/com/tidal/networktime/internal/FileSystemSupplier.kt create mode 100644 library/src/jvmMain/kotlin/com/tidal/networktime/internal/HostNameResolver.kt create mode 100644 library/src/jvmMain/kotlin/com/tidal/networktime/internal/NTPUDPSocketOperations.kt create mode 100644 library/src/nativeInterop/cinterop/NetworkFrameworkWorkaround.def create mode 100644 samples/multiplatform-kotlin/android/build.gradle.kts create mode 100644 samples/multiplatform-kotlin/android/src/androidMain/AndroidManifest.xml create mode 100644 samples/multiplatform-kotlin/android/src/androidMain/kotlin/root/MainActivity.kt create mode 100644 samples/multiplatform-kotlin/android/src/androidMain/kotlin/root/MainApplication.kt create mode 100644 samples/multiplatform-kotlin/android/src/androidMain/res/values/themes.xml create mode 100644 samples/multiplatform-kotlin/iOS.xcodeproj/project.pbxproj create mode 100644 samples/multiplatform-kotlin/iOS.xcodeproj/project.xcworkspace/contents.xcworkspacedata create mode 100644 samples/multiplatform-kotlin/iOS.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist create mode 100644 samples/multiplatform-kotlin/iOS/Assets.xcassets/AccentColor.colorset/Contents.json create mode 100644 samples/multiplatform-kotlin/iOS/Assets.xcassets/AppIcon.appiconset/Contents.json create mode 100644 samples/multiplatform-kotlin/iOS/Assets.xcassets/Contents.json create mode 100644 samples/multiplatform-kotlin/iOS/ContentView.swift create mode 100644 samples/multiplatform-kotlin/iOS/Preview Content/Preview Assets.xcassets/Contents.json create mode 100644 samples/multiplatform-kotlin/iOS/iOSApp.swift create mode 100644 samples/multiplatform-kotlin/jvm/.gitignore create mode 100644 samples/multiplatform-kotlin/jvm/build.gradle.kts create mode 100644 samples/multiplatform-kotlin/jvm/src/jvmMain/kotlin/root/Main.kt create mode 100644 samples/multiplatform-kotlin/shared/build.gradle.kts create mode 100644 samples/multiplatform-kotlin/shared/src/commonMain/kotlin/root/MainScreen.kt create mode 100644 samples/multiplatform-kotlin/shared/src/commonMain/kotlin/root/MainState.kt create mode 100644 samples/multiplatform-kotlin/shared/src/commonMain/kotlin/root/MainViewModel.kt create mode 100644 samples/multiplatform-kotlin/shared/src/commonMain/kotlin/root/StateCalculator.kt create mode 100644 samples/multiplatform-kotlin/shared/src/iosMain/kotlin/MainViewController.kt create mode 100644 settings.gradle.kts diff --git a/.editorconfig b/.editorconfig new file mode 100644 index 00000000..b4d7ef13 --- /dev/null +++ b/.editorconfig @@ -0,0 +1,10 @@ +root = true + +[*] +end_of_line = lf +insert_final_newline = true +indent_style = space +indent_size = 2 +charset = utf-8 +trim_trailing_whitespace = true +max_line_length = 100 diff --git a/.github/CODE_OF_CONDUCT.md b/.github/CODE_OF_CONDUCT.md new file mode 100644 index 00000000..ef5931e5 --- /dev/null +++ b/.github/CODE_OF_CONDUCT.md @@ -0,0 +1,6 @@ +Be reasonable and respectful. This repository, discussions within and artifacts derived from it are +freely available, but it is still expected that you act within reasonable boundaries, whether you +are a source contributor or not. + +The owners reserve the right to impose temporary and/or permanent restrictions against particular +users on this repository as well as any others under the same ownership if deemed necessary. diff --git a/.github/ISSUE_TEMPLATE/bug.yml b/.github/ISSUE_TEMPLATE/bug.yml new file mode 100644 index 00000000..d27a92d2 --- /dev/null +++ b/.github/ISSUE_TEMPLATE/bug.yml @@ -0,0 +1,18 @@ +name: Bug Report +description: Report a bug in the project +body: + - type: markdown + attributes: + value: | + **Please include:** + + * Clear reproduction steps. + * Frequency with which the steps above reproduce the bug (if not 100%). + * Expected result(s) of the reproduction steps, as well as the actual ones. + + Detailed reports are more likely to be addressed faster. + - type: textarea + attributes: + label: Description + validations: + required: true diff --git a/.github/ISSUE_TEMPLATE/config.yml b/.github/ISSUE_TEMPLATE/config.yml new file mode 100644 index 00000000..3ba13e0c --- /dev/null +++ b/.github/ISSUE_TEMPLATE/config.yml @@ -0,0 +1 @@ +blank_issues_enabled: false diff --git a/.github/ISSUE_TEMPLATE/feature_request.yml b/.github/ISSUE_TEMPLATE/feature_request.yml new file mode 100644 index 00000000..48f0420a --- /dev/null +++ b/.github/ISSUE_TEMPLATE/feature_request.yml @@ -0,0 +1,8 @@ +name: Feature request +description: Request new functionality +body: + - type: textarea + attributes: + label: Description + validations: + required: true diff --git a/.github/ISSUE_TEMPLATE/question.yml b/.github/ISSUE_TEMPLATE/question.yml new file mode 100644 index 00000000..40419c52 --- /dev/null +++ b/.github/ISSUE_TEMPLATE/question.yml @@ -0,0 +1,8 @@ +name: Question +description: If you have any doubts, just ask +body: + - type: textarea + attributes: + label: Description + validations: + required: true diff --git a/.github/ISSUE_TEMPLATE/vulnerability.yml b/.github/ISSUE_TEMPLATE/vulnerability.yml new file mode 100644 index 00000000..3f1db6fc --- /dev/null +++ b/.github/ISSUE_TEMPLATE/vulnerability.yml @@ -0,0 +1,13 @@ +name: Security vulnerability +description: Report a vulnerability on any versions of the tool +body: + - type: textarea + attributes: + label: Description + validations: + required: true + - type: textarea + attributes: + label: What versions is this vulnerability observed on? + validations: + required: true diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md new file mode 100644 index 00000000..0d404604 --- /dev/null +++ b/.github/PULL_REQUEST_TEMPLATE.md @@ -0,0 +1,2 @@ +No pre-defined structure is enforced, but descriptive PRs are likely to be +attended earlier. diff --git a/.github/SECURITY.md b/.github/SECURITY.md new file mode 100644 index 00000000..f88683ab --- /dev/null +++ b/.github/SECURITY.md @@ -0,0 +1,4 @@ +Report vulnerabilities as vulnerability-type issues. + +Find vulnerabilities as [issues with the `vulnerability` label]( +https://github.com/tidal-music/network-time/issues?q=is%3Aissue+is%3Aopen+label%3Avulnerability). diff --git a/.github/actions/runGradleTask/action.yml b/.github/actions/runGradleTask/action.yml new file mode 100644 index 00000000..61cf7188 --- /dev/null +++ b/.github/actions/runGradleTask/action.yml @@ -0,0 +1,20 @@ +name: Setup Gradle and run a task on all modules that have it +description: Includes setting up JDK +inputs: + task: + description: The task to run + required: true + preTaskString: + description: A String to pass to the Gradle invocation before the task. This can be used for example to pass properties + required: false + default: "" +runs: + using: composite + steps: + - uses: actions/setup-java@v3.9.0 + with: + distribution: temurin + java-version: 17 + cache: gradle + - run: ./gradlew ${{ inputs.preTaskString }} ${{ inputs.task }} + shell: bash diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml new file mode 100644 index 00000000..0397a664 --- /dev/null +++ b/.github/workflows/build.yml @@ -0,0 +1,25 @@ +name: Build +on: + push: + branches: + - '**' +jobs: + build: + runs-on: macos-14-xlarge + strategy: + fail-fast: false + matrix: + xcodeversion: [ 14.3.1, 15.0.1, 15.1, 15.2, 15.3 ] + steps: + - uses: actions/checkout@v4.1.6 + - uses: maxim-lobanov/setup-xcode@v1.6.0 + with: + xcode-version: ${{ matrix.xcodeversion }} + - uses: ./.github/actions/runGradleTask + with: + task: build + barrier-build: + runs-on: ubuntu-22.04 + needs: [ build ] + steps: + - run: exit 0 diff --git a/.github/workflows/dependencyReport.yml b/.github/workflows/dependencyReport.yml new file mode 100644 index 00000000..cd5de2a2 --- /dev/null +++ b/.github/workflows/dependencyReport.yml @@ -0,0 +1,37 @@ +name: Submit dependencies +on: + push: + branches: + - main +permissions: + contents: write +jobs: + library: + runs-on: macos-14-xlarge + steps: + - uses: actions/checkout@v4.1.6 + - uses: actions/setup-java@v3.9.0 + with: + distribution: temurin + java-version: 17 + cache: gradle + - run: .scripts/dependency_report_generate.sh -m library -c allSourceSetsCompileDependenciesMetadata > dependencies_library_raw + - run: .scripts/github/dependency_report_as_github_json.sh -i dependencies_library_raw -n library -s $(TZ=UTC date +"%Y-%m-%dT%H:%M:%SZ") -l library/build.gradle.kts > dependencies_library.github.json + - run: | + echo RESPONSE_CODE=$(curl -L \ + -X POST \ + -H "Accept: application/vnd.github+json" \ + -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \ + -H "X-GitHub-Api-Version: 2022-11-28" \ + https://api.github.com/repos/$GITHUB_REPOSITORY/dependency-graph/snapshots \ + --data-binary "@dependencies_library.github.json" \ + -o /dev/null \ + -w '%{http_code}') >> $GITHUB_ENV + - run: | + if [[ "$RESPONSE_CODE" == "201" ]]; + then + exit 0 + else + echo "Dependency submission failed with HTTP code $RESPONSE_CODE" + exit 1 + fi diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml new file mode 100644 index 00000000..b25e0477 --- /dev/null +++ b/.github/workflows/publish.yml @@ -0,0 +1,67 @@ +name: Publish +on: + push: + tags: + - '[1-9]+.[0-9]+.[0-9]+' + - '!**-xcodebuild-**' +env: + GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} +concurrency: + group: ${{ github.ref_name }} +jobs: + ensure-tag-is-on-main: + runs-on: ubuntu-22.04 + steps: + - uses: actions/checkout@v4.1.6 + with: + ref: main + fetch-depth: 0 + - run: exit $(git merge-base --is-ancestor $GITHUB_REF_NAME HEAD) + update-xcframeworks-and-create-tags: + runs-on: macos-14-xlarge + needs: [ ensure-tag-is-on-main ] + permissions: + contents: write + strategy: + fail-fast: false + matrix: + xcodeversion: [ 14.3.1, 15.0.1, 15.1, 15.2, 15.3 ] + steps: + - uses: actions/checkout@v4.1.6 + - uses: maxim-lobanov/setup-xcode@v1.6.0 + with: + xcode-version: ${{ inputs.xcodeversion }} + - uses: ./.github/actions/runGradleTask + with: + preTaskString: -Pversion=$GITHUB_REF_NAME + task: :library:assembleTidalNetworkTimeReleaseXCFramework + - run: | + git config --local user.name $GITHUB_ACTOR + git config --local user.email noreply@github.com + git add -f library/build/XCFrameworks/release/TidalNetworkTime.xcframework + git commit -m "XCFramework update for version $GITHUB_REF_NAME-xcodebuild-${{ matrix.xcodeversion }}" + git tag $GITHUB_REF_NAME-xcodebuild-${{ matrix.xcodeversion }} -m $GITHUB_REF_NAME-xcodebuild-${{ matrix.xcodeversion }} + git push origin tag $GITHUB_REF_NAME-xcodebuild-${{ matrix.xcodeversion }} + create-github-release: + runs-on: ubuntu-22.04 + needs: [ update-xcframeworks-and-create-tags ] + permissions: + contents: write + steps: + - uses: actions/checkout@v4.1.6 + with: + ref: ${{ github.ref_name }} + - run: .scripts/github/release.sh + publish-maven-publications: + runs-on: macos-14-xlarge + needs: [ update-xcframeworks-and-create-tags ] + permissions: + packages: write + steps: + - uses: actions/checkout@v4.1.6 + with: + ref: ${{ github.ref_name }} + - uses: ./.github/actions/runGradleTask + with: + preTaskString: -Pversion=$GITHUB_REF_NAME + task: :library:publishAllPublicationsToGithubPackagesRepository --continue diff --git a/.github/workflows/staticAnalysis.yml b/.github/workflows/staticAnalysis.yml new file mode 100644 index 00000000..df8a6952 --- /dev/null +++ b/.github/workflows/staticAnalysis.yml @@ -0,0 +1,29 @@ +name: Static analysis +on: + push: + branches: + - '**' +jobs: + ktlint: + runs-on: ubuntu-22.04 + steps: + - uses: actions/checkout@v4.1.6 + - run: .scripts/check_ktlint.sh + codeql: + runs-on: macos-14-xlarge + permissions: + actions: read + contents: read + security-events: write + steps: + - uses: actions/checkout@v4.1.6 + - uses: github/codeql-action/init@v2.21.3 + with: + languages: kotlin + - uses: ./.github/actions/runGradleTask + with: + task: build + - uses: github/codeql-action/analyze@v2.21.3 + with: + category: "/language:kotlin" + diff --git a/.gitignore b/.gitignore new file mode 100644 index 00000000..c65a6fc3 --- /dev/null +++ b/.gitignore @@ -0,0 +1,6 @@ +.build +.DS_Store +.gradle +build/ +local.properties +xcuserdata/ diff --git a/.idea/.gitignore b/.idea/.gitignore new file mode 100644 index 00000000..8e429dfc --- /dev/null +++ b/.idea/.gitignore @@ -0,0 +1,14 @@ +# Default ignored files +/shelf/ +/workspace.xml +# Editor-based HTTP Client requests +/httpRequests/ +# Datasource local storage ignored files +/dataSources/ +/dataSources.local.xml +# Gradle auto-import +*.iml +modules.xml +gradle.xml +usage.statistics.xml +libraries.xml diff --git a/.idea/artifacts/library_jvm.xml b/.idea/artifacts/library_jvm.xml new file mode 100644 index 00000000..757db4f6 --- /dev/null +++ b/.idea/artifacts/library_jvm.xml @@ -0,0 +1,8 @@ + + + $PROJECT_DIR$/library/build/libs + + + + + \ No newline at end of file diff --git a/.idea/artifacts/samples_desktop_jvm.xml b/.idea/artifacts/samples_desktop_jvm.xml new file mode 100644 index 00000000..2d4ea399 --- /dev/null +++ b/.idea/artifacts/samples_desktop_jvm.xml @@ -0,0 +1,6 @@ + + + $PROJECT_DIR$/samples/desktop/build/libs + + + \ No newline at end of file diff --git a/.idea/artifacts/samples_multiplatform_kotlin_desktop_jvm.xml b/.idea/artifacts/samples_multiplatform_kotlin_desktop_jvm.xml new file mode 100644 index 00000000..18f136fb --- /dev/null +++ b/.idea/artifacts/samples_multiplatform_kotlin_desktop_jvm.xml @@ -0,0 +1,8 @@ + + + $PROJECT_DIR$/samples/multiplatform-kotlin/desktop/build/libs + + + + + \ No newline at end of file diff --git a/.idea/artifacts/samples_multiplatform_kotlin_jvm_jvm.xml b/.idea/artifacts/samples_multiplatform_kotlin_jvm_jvm.xml new file mode 100644 index 00000000..4f270c13 --- /dev/null +++ b/.idea/artifacts/samples_multiplatform_kotlin_jvm_jvm.xml @@ -0,0 +1,8 @@ + + + $PROJECT_DIR$/samples/multiplatform-kotlin/jvm/build/libs + + + + + \ No newline at end of file diff --git a/.idea/artifacts/samples_multiplatform_kotlin_shared_jvm.xml b/.idea/artifacts/samples_multiplatform_kotlin_shared_jvm.xml new file mode 100644 index 00000000..036e9d10 --- /dev/null +++ b/.idea/artifacts/samples_multiplatform_kotlin_shared_jvm.xml @@ -0,0 +1,8 @@ + + + $PROJECT_DIR$/samples/multiplatform-kotlin/shared/build/libs + + + + + \ No newline at end of file diff --git a/.idea/artifacts/samples_shared_jvm.xml b/.idea/artifacts/samples_shared_jvm.xml new file mode 100644 index 00000000..5802e6a2 --- /dev/null +++ b/.idea/artifacts/samples_shared_jvm.xml @@ -0,0 +1,6 @@ + + + $PROJECT_DIR$/samples/shared/build/libs + + + \ No newline at end of file diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml new file mode 100644 index 00000000..55c0e02f --- /dev/null +++ b/.idea/codeStyles/Project.xml @@ -0,0 +1,29 @@ + + + + \ No newline at end of file diff --git a/.idea/codeStyles/codeStyleConfig.xml b/.idea/codeStyles/codeStyleConfig.xml new file mode 100644 index 00000000..79ee123c --- /dev/null +++ b/.idea/codeStyles/codeStyleConfig.xml @@ -0,0 +1,5 @@ + + + + \ No newline at end of file diff --git a/.idea/compiler.xml b/.idea/compiler.xml new file mode 100644 index 00000000..b589d56e --- /dev/null +++ b/.idea/compiler.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml new file mode 100644 index 00000000..bff9a9f7 --- /dev/null +++ b/.idea/inspectionProfiles/Project_Default.xml @@ -0,0 +1,15 @@ + + + + \ No newline at end of file diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml new file mode 100644 index 00000000..d2ce72d1 --- /dev/null +++ b/.idea/jarRepositories.xml @@ -0,0 +1,25 @@ + + + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/kotlinc.xml b/.idea/kotlinc.xml new file mode 100644 index 00000000..fdf8d994 --- /dev/null +++ b/.idea/kotlinc.xml @@ -0,0 +1,6 @@ + + + + + \ No newline at end of file diff --git a/.idea/misc.xml b/.idea/misc.xml new file mode 100644 index 00000000..ea22bc31 --- /dev/null +++ b/.idea/misc.xml @@ -0,0 +1,10 @@ + + + + + + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 00000000..35eb1ddf --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/.scripts/check_ktlint.sh b/.scripts/check_ktlint.sh new file mode 100755 index 00000000..3a4ca63f --- /dev/null +++ b/.scripts/check_ktlint.sh @@ -0,0 +1,14 @@ +#!/bin/bash +set -e + +KTLINT_VERSION="0.50.0" +TARGET="build/ktlint-$KTLINT_VERSION/ktlint" + +if [ ! -f "$TARGET" ]; then + mkdir -p "$(dirname "$TARGET")" + curl -L "https://github.com/pinterest/ktlint/releases/download/$KTLINT_VERSION/ktlint" > "$TARGET" + chmod u+x "$TARGET" +fi + +# shellcheck disable=SC2046 +"$TARGET" --reporter plain $(git ls-tree --full-tree --name-only -r HEAD | grep -e "\.kt" -e "\.kts") diff --git a/.scripts/dependency_report_generate.sh b/.scripts/dependency_report_generate.sh new file mode 100755 index 00000000..64ce4d86 --- /dev/null +++ b/.scripts/dependency_report_generate.sh @@ -0,0 +1,50 @@ +#!/bin/bash +set -e + +DIR_TMP="build/report_dependencies" +rm -rf $DIR_TMP || true +mkdir -p $DIR_TMP + +print_usage() +{ + echo "Usage: $0 -m -c " +} + +while getopts ":m:c:" OPT; do + case $OPT in + m) MODULE="$OPTARG" + ;; + c) CONFIGURATION="$OPTARG" + ;; + ?) print_usage + exit 1 + ;; + esac +done +if [ -z "${MODULE+x}" ]; then + print_usage + exit 1 +fi +if [ -z "${CONFIGURATION+x}" ]; then + print_usage + exit 1 +fi + +read -r -d '' -a WITH_ADJUSTED < <(./gradlew --console=plain "$MODULE":dependencies --configuration "$CONFIGURATION" | grep --color=never -o "\S*:.*:.*" | grep --color=never -v "/" | fgrep --color=never -v "$MODULE:dependencies" | tr -d " " | sed 's/(\*)//' | sed 's/(c)//' && printf '\0' ) + +RESOLVED=() +REGEX_PATTERN_DEPENDENCY_WITH_VERSION_UPGRADED='.*:.*:.*->.*' +for DEPENDENCY in "${WITH_ADJUSTED[@]}" +do + if [[ "$DEPENDENCY" =~ $REGEX_PATTERN_DEPENDENCY_WITH_VERSION_UPGRADED ]]; then + RESOLVED+=("$(echo "$DEPENDENCY" | grep -o ".*:.*:")$(echo "$DEPENDENCY" | cut -d ">" -f2)") + else + RESOLVED+=("$DEPENDENCY") + fi +done +FILE_TMP=$DIR_TMP/"tmp" +for DEPENDENCY in "${RESOLVED[@]}" +do + echo "$DEPENDENCY" >> $FILE_TMP +done +sort -u $FILE_TMP diff --git a/.scripts/dispatch_release.sh b/.scripts/dispatch_release.sh new file mode 100755 index 00000000..4ccc36ae --- /dev/null +++ b/.scripts/dispatch_release.sh @@ -0,0 +1,44 @@ +#!/bin/bash +set -e + +usage() { + echo "Usage: $0 -v " >&2 + exit 1 +} + +VERSION="" + +if [ -n "$(git status --porcelain)" ]; then + echo "Cannot tag from a dirty working tree" + exit 1 +fi + +while getopts ":v:" opt; do + case $opt in + v) + VERSION=$OPTARG + ;; + \?) + echo "Invalid option: -$OPTARG" >&2 + exit 1 + ;; + *) + usage + ;; + esac +done + +if [ -z "$VERSION" ]; then + usage +fi + +FILE_CHANGELOG="changelog/$VERSION" +if [ ! -f "$FILE_CHANGELOG" ]; then + echo "Changelog file $FILE_CHANGELOG missing" + exit 1 +fi + +git fetch && + git tag "${VERSION}" "HEAD" -m "Release dispatch for ${VERSION}" && + git push origin tag "${VERSION}" && + echo "New release ${VERSION} for revision $(git rev-parse --short "HEAD") requested successfully" diff --git a/.scripts/github/dependency_report_as_github_json.sh b/.scripts/github/dependency_report_as_github_json.sh new file mode 100755 index 00000000..1f127c2b --- /dev/null +++ b/.scripts/github/dependency_report_as_github_json.sh @@ -0,0 +1,87 @@ +#!/bin/bash +set -e + +print_usage() +{ + echo "Usage: $0 -i -n -s -l " +} + +while getopts ":i:n:s:l:" OPT; do + case $OPT in + i) INPUT_FILE="$OPTARG" + ;; + n) MANIFEST_NAME="$OPTARG" + ;; + s) SCANNED_AT="$OPTARG" + ;; + l) SOURCE_LOCATION="$OPTARG" + ;; + ?) print_usage + exit 1 + ;; + esac +done +if [ -z "${INPUT_FILE+x}" ]; then + print_usage + exit 1 +fi +if [ -z "${MANIFEST_NAME+x}" ]; then + print_usage + exit 1 +fi +if [ -z "${SCANNED_AT+x}" ]; then + print_usage + exit 1 +fi +if [ -z "${SOURCE_LOCATION+x}" ]; then + print_usage + exit 1 +fi + +JSON=$(jq --null-input \ +--argjson VERSION "$(git rev-list --count HEAD)" \ +--arg SHA "$GITHUB_SHA" \ +--arg REF "$GITHUB_REF" \ +--arg CORRELATOR "$GITHUB_WORKFLOW"_"$GITHUB_JOB" \ +--arg RUN_ID "$GITHUB_RUN_ID" \ +--arg HTML_URL "$GITHUB_SERVER_URL/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID" \ +--arg DETECTOR_NAME "$GITHUB_REPOSITORY" \ +--arg DETECTOR_VERSION 5 \ +--arg DETECTOR_URL "$GITHUB_SERVER_URL/$GITHUB_REPOSITORY" \ +--arg SCANNED "$SCANNED_AT" \ +--arg MANIFEST_NAME "$MANIFEST_NAME" \ +--arg SOURCE_LOCATION "$SOURCE_LOCATION" \ +' +{ + "version":$VERSION, + "sha":$SHA, + "ref":$REF, + "job":{ + "correlator":$CORRELATOR, + "id":$RUN_ID, + "html_url":$HTML_URL + }, + "detector":{ + "name":$DETECTOR_NAME, + "version":$DETECTOR_VERSION, + "url":$DETECTOR_URL + }, + "scanned":$SCANNED, + "manifests":{ + ($MANIFEST_NAME):{ + "name":$MANIFEST_NAME, + "file": { + "source_location":$SOURCE_LOCATION + }, + "resolved":{ + } + } + } +} +') + +while IFS= read -r LINE +do JSON=$(jq '.manifests.'"$MANIFEST_NAME"'.resolved += {"'"$LINE"'": {"package_url": "pkg:maven/'"$(echo "$LINE" | tr ':' '/' | sed 's/\(.*\)\//\1@/')"'"}}' <<< "$JSON") +done < "$INPUT_FILE" + +jq -r tostring <<< "$JSON" diff --git a/.scripts/github/release.sh b/.scripts/github/release.sh new file mode 100755 index 00000000..382a102a --- /dev/null +++ b/.scripts/github/release.sh @@ -0,0 +1,23 @@ +#!/bin/bash +set -e + +git fetch --tags + +RELEASE_BODY=$(cat "$GITHUB_WORKSPACE"/changelog/"$GITHUB_REF_NAME") + +RELEASE_BODY="$RELEASE_BODY\n\nThe following tags relate to this version:\n" + +for VERSION in $(git --no-pager tag | grep "^$GITHUB_REF_NAME") +do + RELEASE_BODY="$RELEASE_BODY\n* [$VERSION](https://github.com/tidal-music/network-time/releases/tag/$VERSION)" +done + +BODY="{\"tag_name\": \"${GITHUB_REF_NAME}\",\"target_commitish\": \"${GITHUB_SHA}\",\"name\": \"${GITHUB_REF_NAME}\",\"body\": \"${RELEASE_BODY}\"}" + +curl -sL \ + -H "Accept: application/vnd.github+json" \ + -H "Authorization: Bearer ${GITHUB_TOKEN}" \ + -H "X-GitHub-Api-Version: 2022-11-28" \ + --request POST \ + --data "${BODY}" \ + https://api.github.com/repos/"${GITHUB_REPOSITORY}"/releases diff --git a/.scripts/hooks/pre-commit b/.scripts/hooks/pre-commit new file mode 100755 index 00000000..781d2e14 --- /dev/null +++ b/.scripts/hooks/pre-commit @@ -0,0 +1,38 @@ +#!/bin/bash + +REPORT_DIR="build/pre-commit" +rm -rf $REPORT_DIR || true +mkdir -p $REPORT_DIR + +PIDSTOOUTPUTFILES=() +TASK_FILE_BUILD=${REPORT_DIR}/build.log +./gradlew build > $TASK_FILE_BUILD 2>&1 & +PIDSTOOUTPUTFILES+=("$!:$TASK_FILE_BUILD") + +TASK_FILE_KTLINT=${REPORT_DIR}/ktlint.log +./.scripts/check_ktlint.sh > $TASK_FILE_KTLINT 2>&1 & +PIDSTOOUTPUTFILES+=("$!:$TASK_FILE_KTLINT") + +while : +do + INDEX=-1 + for PIDTOOUTPUTFILE in "${PIDSTOOUTPUTFILES[@]}"; do + INDEX=$INDEX+1 + PID=${PIDTOOUTPUTFILE%%:*} + if ! ps -p "$PID" > /dev/null + then + if wait "$PID"; then + unset 'PIDSTOOUTPUTFILES[$INDEX]' + PIDSTOOUTPUTFILES=("${PIDSTOOUTPUTFILES[@]}") + if [ ${#PIDSTOOUTPUTFILES[@]} -eq 0 ]; then + exit 0 + fi + else + jobs -p | xargs kill + cat "${PIDTOOUTPUTFILE#*:}" + exit 1 + fi + fi + done + sleep 1 +done diff --git a/.sdkmanrc b/.sdkmanrc new file mode 100644 index 00000000..49f2c8cd --- /dev/null +++ b/.sdkmanrc @@ -0,0 +1,3 @@ +# Enable auto-env through the sdkman_auto_env config +# Add key=value pairs of SDKs to use below +java=17.0.7-tem diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md new file mode 100644 index 00000000..0f2b6301 --- /dev/null +++ b/CONTRIBUTING.md @@ -0,0 +1,7 @@ +### Contributing code + +1. Fork the repository. +2. Create your branch. +3. Commit your changes. +4. Push the branch to your fork. +5. Create a new pull request on this repository from your branch. diff --git a/LICENSE b/LICENSE new file mode 100644 index 00000000..c83043d4 --- /dev/null +++ b/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. 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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 2024 Block, 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. diff --git a/Package.swift b/Package.swift new file mode 100644 index 00000000..2aa67a9c --- /dev/null +++ b/Package.swift @@ -0,0 +1,18 @@ +// swift-tools-version:5.3 +import PackageDescription + +let package = Package( + name: "TidalNetworkTime", + products: [ + .library( + name: "TidalNetworkTime", + targets: ["TidalNetworkTime"] + ), + ], + targets: [ + .binaryTarget( + name: "TidalNetworkTime", + path: "library/build/XCFrameworks/release/TidalNetworkTime.xcframework" + ), + ] +) diff --git a/README.md b/README.md new file mode 100644 index 00000000..bf2852cc --- /dev/null +++ b/README.md @@ -0,0 +1,59 @@ +# network-time + +A Kotlin multiplatform implementation of an SNTP client. + +## Importing + +
+JVM/Android + +```kotlin +repositories { + mavenCentral() +} + +dependencies { + implementation("com.tidal.networktime:library-jvm:$VERSION") +} +``` + +
+ +
+SwiftPM + +```swift +.package( + url: "https://github.com/tidal-music/network-time", + exact: "$VERSION-xcodebuild-$XCODEBUILD_VERSION" +) +``` + +If you plan to use this tool from Objective-C, all public API symbols are prefixed with TNT (for TidalNetworkTime) to avoid naming conflicts. + +
+ +
+KMP + +```kotlin +repositories { + mavenCentral() +} + +dependencies { + implementation("com.tidal.networktime:library:$VERSION") +} +``` + +
+ +## Usage + +Create your `SNTPClient` via its constructor. Its API allows you to toggle synchronization (starts +off) and to retrieve the time based on the last successful synchronization, if any. + +The property that retrieves the aforementioned time is nullable as it will return null if no +synchronization has occurred successfully during the lifetime of the process and no backup file has +been specified for the `SNTPClient` instance or said file contains no valid prior synchronization +data. diff --git a/build.gradle.kts b/build.gradle.kts new file mode 100644 index 00000000..bb35a07b --- /dev/null +++ b/build.gradle.kts @@ -0,0 +1,20 @@ +buildscript { + repositories { + gradlePluginPortal() + google() + } + dependencies { + val kotlinVersion = "1.9.23" + classpath(kotlin("gradle-plugin", version = kotlinVersion)) + classpath(kotlin("serialization", version = kotlinVersion)) + classpath("com.android.tools.build:gradle:8.1.4") + classpath("org.jetbrains.compose:compose-gradle-plugin:1.6.1") + } +} + +allprojects { + repositories { + google() 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diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 00000000..3fa8f862 --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,7 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip +networkTimeout=10000 +validateDistributionUrl=true +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/gradlew b/gradlew new file mode 100755 index 00000000..1aa94a42 --- /dev/null +++ b/gradlew @@ -0,0 +1,249 @@ +#!/bin/sh + +# +# Copyright © 2015-2021 the original authors. +# +# 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 +# +# https://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. +# + +############################################################################## +# +# Gradle start up script for POSIX generated by Gradle. +# +# Important for running: +# +# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is +# noncompliant, but you have some other compliant shell such as ksh or +# bash, then to run this script, type that shell name before the whole +# command line, like: +# +# ksh Gradle +# +# Busybox and similar reduced shells will NOT work, because this script +# requires all of these POSIX shell features: +# * functions; +# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», +# «${var#prefix}», «${var%suffix}», and «$( cmd )»; +# * compound commands having a testable exit status, especially «case»; +# * various built-in commands including «command», «set», and «ulimit». +# +# Important for patching: +# +# (2) This script targets any POSIX shell, so it avoids extensions provided +# by Bash, Ksh, etc; in particular arrays are avoided. +# +# The "traditional" practice of packing multiple parameters into a +# space-separated string is a well documented source of bugs and security +# problems, so this is (mostly) avoided, by progressively accumulating +# options in "$@", and eventually passing that to Java. +# +# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, +# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; +# see the in-line comments for details. +# +# There are tweaks for specific operating systems such as AIX, CygWin, +# Darwin, MinGW, and NonStop. +# +# (3) This script is generated from the Groovy template +# https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt +# within the Gradle project. +# +# You can find Gradle at https://github.com/gradle/gradle/. +# +############################################################################## + +# Attempt to set APP_HOME + +# Resolve links: $0 may be a link +app_path=$0 + +# Need this for daisy-chained symlinks. +while + APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path + [ -h "$app_path" ] +do + ls=$( ls -ld "$app_path" ) + link=${ls#*' -> '} + case $link in #( + /*) app_path=$link ;; #( + *) app_path=$APP_HOME$link ;; + esac +done + +# This is normally unused +# shellcheck disable=SC2034 +APP_BASE_NAME=${0##*/} +# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036) +APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&2 + +die () { + echo + echo "$*" + echo + exit 1 +} >&2 + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "$( uname )" in #( + CYGWIN* ) cygwin=true ;; #( + Darwin* ) darwin=true ;; #( + MSYS* | MINGW* ) msys=true ;; #( + NONSTOP* ) nonstop=true ;; +esac + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD=$JAVA_HOME/jre/sh/java + else + JAVACMD=$JAVA_HOME/bin/java + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + if ! command -v java >/dev/null 2>&1 + then + die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + ulimit -n "$MAX_FD" || + warn "Could not set maximum file descriptor limit to $MAX_FD" + esac +fi + +# Collect all arguments for the java command, stacking in reverse order: +# * args from the command line +# * the main class name +# * -classpath +# * -D...appname settings +# * --module-path (only if needed) +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. + +# For Cygwin or MSYS, switch paths to Windows format before running java +if "$cygwin" || "$msys" ; then + APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) + CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) + + JAVACMD=$( cygpath --unix "$JAVACMD" ) + + # Now convert the arguments - kludge to limit ourselves to /bin/sh + for arg do + if + case $arg in #( + -*) false ;; # don't mess with options #( + /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath + [ -e "$t" ] ;; #( + *) false ;; + esac + then + arg=$( cygpath --path --ignore --mixed "$arg" ) + fi + # Roll the args list around exactly as many times as the number of + # args, so each arg winds up back in the position where it started, but + # possibly modified. + # + # NB: a `for` loop captures its iteration list before it begins, so + # changing the positional parameters here affects neither the number of + # iterations, nor the values presented in `arg`. + shift # remove old arg + set -- "$@" "$arg" # push replacement arg + done +fi + + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Collect all arguments for the java command: +# * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments, +# and any embedded shellness will be escaped. +# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be +# treated as '${Hostname}' itself on the command line. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -classpath "$CLASSPATH" \ + org.gradle.wrapper.GradleWrapperMain \ + "$@" + +# Stop when "xargs" is not available. +if ! command -v xargs >/dev/null 2>&1 +then + die "xargs is not available" +fi + +# Use "xargs" to parse quoted args. +# +# With -n1 it outputs one arg per line, with the quotes and backslashes removed. +# +# In Bash we could simply go: +# +# readarray ARGS < <( xargs -n1 <<<"$var" ) && +# set -- "${ARGS[@]}" "$@" +# +# but POSIX shell has neither arrays nor command substitution, so instead we +# post-process each arg (as a line of input to sed) to backslash-escape any +# character that might be a shell metacharacter, then use eval to reverse +# that process (while maintaining the separation between arguments), and wrap +# the whole thing up as a single "set" statement. +# +# This will of course break if any of these variables contains a newline or +# an unmatched quote. +# + +eval "set -- $( + printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | + xargs -n1 | + sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | + tr '\n' ' ' + )" '"$@"' + +exec "$JAVACMD" "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100644 index 00000000..93e3f59f --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,92 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem + +@if "%DEBUG%"=="" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%"=="" set DIRNAME=. +@rem This is normally unused +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if %ERRORLEVEL% equ 0 goto execute + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* + +:end +@rem End local scope for the variables with windows NT shell +if %ERRORLEVEL% equ 0 goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +set EXIT_CODE=%ERRORLEVEL% +if %EXIT_CODE% equ 0 set EXIT_CODE=1 +if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE% +exit /b %EXIT_CODE% + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/library/build.gradle.kts b/library/build.gradle.kts new file mode 100644 index 00000000..0571633d --- /dev/null +++ b/library/build.gradle.kts @@ -0,0 +1,82 @@ +import org.jetbrains.kotlin.gradle.plugin.mpp.apple.XCFramework +import java.net.URI + +plugins { + id("maven-publish") + kotlin("multiplatform") + kotlin("plugin.serialization") +} + +group = "com.tidal.networktime" + +kotlin { + jvm() + val xCFrameworkName = "TidalNetworkTime" + val xCFramework = XCFramework(xCFrameworkName) + listOf( + macosX64(), + macosArm64(), + iosX64(), + iosArm64(), + iosSimulatorArm64(), + tvosSimulatorArm64(), + tvosX64(), + tvosArm64(), + ).forEach { + it.binaries.framework { + baseName = xCFrameworkName + binaryOption("bundleId", "TidalNetworkTime") + binaryOption("bundleShortVersionString", version as String) + binaryOption("bundleVersion", version as String) + isStatic = true + xCFramework.add(this) + } + it.compilations.configureEach { cinterops.create("NetworkFrameworkWorkaround") } + } + + applyDefaultHierarchyTemplate() + + sourceSets { + all { + languageSettings.optIn("kotlin.experimental.ExperimentalObjCName") + } + commonMain.get().dependencies { + api("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.7.3") + implementation("org.jetbrains.kotlinx:kotlinx-datetime:0.4.1") + implementation("com.squareup.okio:okio:3.6.0") + implementation("org.jetbrains.kotlinx:kotlinx-serialization-json-okio:1.6.1") + } + } +} + +publishing { + repositories { + maven { + name = "GithubPackages" + url = URI.create("https://maven.pkg.github.com/${System.getenv("GITHUB_REPOSITORY")}") + credentials { + username = System.getenv("GITHUB_ACTOR") + password = System.getenv("GITHUB_TOKEN") + } + } + } + publications.all { + this as MavenPublication + pom { + inceptionYear.set("2023") + url.set("https://github.com/tidal-music/network-time") + licenses { + license { + name.set("The Apache License, Version 2.0") + url.set("https://www.apache.org/licenses/LICENSE-2.0.txt") + distribution.set("https://www.apache.org/licenses/LICENSE-2.0.txt") + } + } + scm { + url.set("https://github.com/tidal-music/network-time") + connection.set("scm:git:https://github.com/tidal-music/network-time.git") + developerConnection.set("scm:git:ssh://git@github.com/tidal-music/network-time.git") + } + } + } +} diff --git a/library/src/appleMain/kotlin/com/tidal/networktime/internal/FileSystemSupplier.kt b/library/src/appleMain/kotlin/com/tidal/networktime/internal/FileSystemSupplier.kt new file mode 100644 index 00000000..064c7e1a --- /dev/null +++ b/library/src/appleMain/kotlin/com/tidal/networktime/internal/FileSystemSupplier.kt @@ -0,0 +1,8 @@ +package com.tidal.networktime.internal + +import okio.FileSystem + +@Suppress("EXPECT_ACTUAL_CLASSIFIERS_ARE_IN_BETA_WARNING") +internal actual class FileSystemSupplier { + actual val system = FileSystem.SYSTEM +} diff --git a/library/src/appleMain/kotlin/com/tidal/networktime/internal/HostNameResolver.kt b/library/src/appleMain/kotlin/com/tidal/networktime/internal/HostNameResolver.kt new file mode 100644 index 00000000..79629afd --- /dev/null +++ b/library/src/appleMain/kotlin/com/tidal/networktime/internal/HostNameResolver.kt @@ -0,0 +1,138 @@ +package com.tidal.networktime.internal + +import kotlinx.cinterop.BooleanVar +import kotlinx.cinterop.ByteVar +import kotlinx.cinterop.ExperimentalForeignApi +import kotlinx.cinterop.alloc +import kotlinx.cinterop.allocArray +import kotlinx.cinterop.convert +import kotlinx.cinterop.memScoped +import kotlinx.cinterop.pointed +import kotlinx.cinterop.ptr +import kotlinx.cinterop.readValue +import kotlinx.cinterop.reinterpret +import kotlinx.cinterop.toKString +import kotlinx.cinterop.value +import kotlinx.coroutines.withTimeoutOrNull +import platform.CFNetwork.CFHostCancelInfoResolution +import platform.CFNetwork.CFHostCreateWithName +import platform.CFNetwork.CFHostGetAddressing +import platform.CFNetwork.CFHostRef +import platform.CFNetwork.CFHostStartInfoResolution +import platform.CFNetwork.kCFHostAddresses +import platform.CoreFoundation.CFArrayGetCount +import platform.CoreFoundation.CFArrayGetValueAtIndex +import platform.CoreFoundation.CFDataGetBytePtr +import platform.CoreFoundation.CFDataRef +import platform.CoreFoundation.CFRelease +import platform.CoreFoundation.CFStringRef +import platform.CoreFoundation.CFTypeRef +import platform.CoreFoundation.kCFAllocatorDefault +import platform.Foundation.CFBridgingRetain +import platform.Foundation.NSString +import platform.darwin.inet_ntop +import platform.posix.AF_INET +import platform.posix.AF_INET6 +import platform.posix.INET6_ADDRSTRLEN +import platform.posix.INET_ADDRSTRLEN +import platform.posix.sockaddr +import platform.posix.sockaddr_in +import platform.posix.sockaddr_in6 +import kotlin.time.Duration + +@OptIn(ExperimentalForeignApi::class) +@Suppress("EXPECT_ACTUAL_CLASSIFIERS_ARE_IN_BETA_WARNING") +internal actual class HostNameResolver { + private var cfHost: CFHostRef? = null + private var hostReference: CFTypeRef? = null + + actual suspend operator fun invoke( + hostName: String, + timeout: Duration, + includeINET: Boolean, + includeINET6: Boolean, + ): Iterable { + var ret: Iterable? = emptySet() + try { + ret = withTimeoutOrNull(timeout) { invokeInternal(hostName, includeINET, includeINET6) } + } finally { + cfHost + ?.takeIf { ret == null } + ?.let { + CFHostCancelInfoResolution(it, kCFHostAddresses) + } + clear() + } + return ret ?: emptySet() + } + + private fun invokeInternal( + hostName: String, + includeINET: Boolean, + includeINET6: Boolean, + ): Iterable { + hostReference = CFBridgingRetain(hostName as NSString) + cfHost = CFHostCreateWithName(kCFAllocatorDefault, hostReference as CFStringRef) + CFHostStartInfoResolution(cfHost, kCFHostAddresses, null) + return memScoped { + val hasResolved = alloc { + value = false + } + val addresses = CFHostGetAddressing(cfHost, hasResolved.ptr) + addresses.takeIf { hasResolved.value } + addresses ?: return emptySet() + val count = CFArrayGetCount(addresses) + val ret = mutableSetOf() + (0 until count).forEach { + val socketAddressData = CFArrayGetValueAtIndex(addresses, it) as CFDataRef + val sockAddr = CFDataGetBytePtr(socketAddressData)!!.reinterpret().pointed + val addrPretty = when (sockAddr.sa_family.toInt()) { + AF_INET -> { + if (includeINET) { + val buffer = allocArray(INET_ADDRSTRLEN) + inet_ntop( + AF_INET, + sockAddr.reinterpret().sin_addr.readValue(), + buffer, + INET_ADDRSTRLEN.convert(), + ) + buffer.toKString() + } else { + null + } + } + + AF_INET6 -> { + if (includeINET6) { + val buffer = allocArray(INET6_ADDRSTRLEN) + inet_ntop( + AF_INET6, + sockAddr.reinterpret().sin6_addr.readValue(), + buffer, + INET6_ADDRSTRLEN.convert(), + ) + buffer.toKString() + } else { + null + } + } + + else -> { + null + } + } + if (addrPretty != null) { + ret.add(addrPretty) + } + } + ret + } + } + + private fun clear() { + cfHost?.let { CFRelease(it) } + cfHost = null + hostReference?.let { CFRelease(it) } + hostReference = null + } +} diff --git a/library/src/appleMain/kotlin/com/tidal/networktime/internal/NTPUDPSocketOperations.kt b/library/src/appleMain/kotlin/com/tidal/networktime/internal/NTPUDPSocketOperations.kt new file mode 100644 index 00000000..5324b949 --- /dev/null +++ b/library/src/appleMain/kotlin/com/tidal/networktime/internal/NTPUDPSocketOperations.kt @@ -0,0 +1,91 @@ +package com.tidal.networktime.internal + +import com.tidal.networktime.internal.network_framework_workaround.nw_connection_send_default_context +import com.tidal.networktime.internal.network_framework_workaround.nw_parameters_create_secure_udp_disable_protocol +import kotlinx.cinterop.ExperimentalForeignApi +import kotlinx.cinterop.addressOf +import kotlinx.cinterop.convert +import kotlinx.cinterop.pin +import kotlinx.cinterop.usePinned +import kotlinx.coroutines.CompletableDeferred +import platform.Network.nw_connection_create +import platform.Network.nw_connection_force_cancel +import platform.Network.nw_connection_receive +import platform.Network.nw_connection_set_queue +import platform.Network.nw_connection_set_state_changed_handler +import platform.Network.nw_connection_start +import platform.Network.nw_connection_state_cancelled +import platform.Network.nw_connection_state_failed +import platform.Network.nw_connection_state_ready +import platform.Network.nw_connection_state_t +import platform.Network.nw_connection_t +import platform.Network.nw_endpoint_create_host +import platform.Network.nw_error_t +import platform.darwin.dispatch_data_apply +import platform.darwin.dispatch_data_create +import platform.darwin.dispatch_data_t +import platform.darwin.dispatch_get_current_queue +import platform.posix.memcpy +import kotlin.test.assertEquals +import kotlin.test.assertNull + +@OptIn(ExperimentalForeignApi::class) +@Suppress("EXPECT_ACTUAL_CLASSIFIERS_ARE_IN_BETA_WARNING") +internal actual class NTPUDPSocketOperations { + private var connection: nw_connection_t = null + + actual suspend fun prepare(address: String, portNumber: Int) { + val parameters = nw_parameters_create_secure_udp_disable_protocol() + val endpoint = nw_endpoint_create_host(address, portNumber.toString()) + connection = nw_connection_create(endpoint, parameters) + nw_connection_set_queue(connection, dispatch_get_current_queue()) + val connectionStateDeferred = CompletableDeferred() + nw_connection_set_state_changed_handler(connection) { state: nw_connection_state_t, _ -> + when (state) { + nw_connection_state_ready, nw_connection_state_failed, nw_connection_state_cancelled -> + connectionStateDeferred.complete(state) + } + } + nw_connection_start(connection) + assertEquals(nw_connection_state_ready, connectionStateDeferred.await()) + } + + actual suspend fun exchange(buffer: ByteArray) { + val data = buffer.pin().run { + dispatch_data_create( + addressOf(0), + buffer.size.convert(), + dispatch_get_current_queue(), + ({ unpin() }), + ) + } + nw_connection_send_default_context( + connection, + data, + true, + ) { + assertNull(it) + } + val connectionReceptionDeferred = CompletableDeferred() + nw_connection_receive( + connection, + 1.convert(), + buffer.size.convert(), + ) { content: dispatch_data_t, _, _, error: nw_error_t -> + assertNull(error) + connectionReceptionDeferred.complete(content) + } + val receivedData = connectionReceptionDeferred.await() + buffer.usePinned { + dispatch_data_apply(receivedData) { _, offset, src, size -> + memcpy(it.addressOf(offset.toInt()), src, size) + true + } + } + } + + actual fun tearDown() { + nw_connection_force_cancel(connection) + connection = null + } +} diff --git a/library/src/commonMain/kotlin/com/tidal/networktime/NTPServer.kt b/library/src/commonMain/kotlin/com/tidal/networktime/NTPServer.kt new file mode 100644 index 00000000..f3a04aa6 --- /dev/null +++ b/library/src/commonMain/kotlin/com/tidal/networktime/NTPServer.kt @@ -0,0 +1,47 @@ +package com.tidal.networktime + +import kotlin.native.ObjCName +import kotlin.time.Duration +import kotlin.time.Duration.Companion.seconds + +/** + * Describes a host name that can resolve to any number of NTP unicast servers. + * + * @param hostName The host name. + * @param queryConnectTimeout The per-server timeout for connecting to each of the servers resolved + * from [hostName]. + * @param queryReadTimeout The per-server timeout for receiving responses from each of the servers + * resolved from [hostName]. + * @param protocolFamilies Can be used for filtering addresses resolved from [hostName] based on + * address family. + * @param queriesPerResolvedAddress The amount of queries to perform to each resolved address. More + * queries may or may not increase precision, but they will make synchronization take longer and + * also cause more server load. + * @param waitBetweenResolvedAddressQueries The amount of time to wait before consecutive requests + * to the same resolved address. + * @param ntpVersion The version number to write in packets. + * @param maxRootDelay The maximum delay to accept a packet. Packets with a root delay higher than + * this will be discarded. + * @param maxRootDispersion The maximum root dispersion to accept a packet. Packets with a root + * dispersion higher than this will be discarded. + * @param dnsResolutionTimeout The timeout for DNS lookup for addresses from [hostName]. + */ +@ObjCName(name = "TNTNTPServer", swiftName = "NTPServer", exact = true) +class NTPServer( + val hostName: String, + @ObjCName(name = "queryConnectTimeoutMs") + val queryConnectTimeout: Duration = 5.seconds, + @ObjCName(name = "queryReadTimeoutMs") + val queryReadTimeout: Duration = 5.seconds, + vararg val protocolFamilies: ProtocolFamily = arrayOf(ProtocolFamily.INET), + val queriesPerResolvedAddress: Int = 3, + @ObjCName(name = "waitBetweenResolvedAddressQueriesMs") + val waitBetweenResolvedAddressQueries: Duration = 2.seconds, + val ntpVersion: NTPVersion = NTPVersion.FOUR, + @ObjCName(name = "maxRootDelayMs") + val maxRootDelay: Duration = Duration.INFINITE, + @ObjCName(name = "maxRootDispersionMs") + val maxRootDispersion: Duration = Duration.INFINITE, + @ObjCName(name = "dnsResolutionTimeoutMs") + val dnsResolutionTimeout: Duration = 30.seconds, +) diff --git a/library/src/commonMain/kotlin/com/tidal/networktime/NTPVersion.kt b/library/src/commonMain/kotlin/com/tidal/networktime/NTPVersion.kt new file mode 100644 index 00000000..de9af322 --- /dev/null +++ b/library/src/commonMain/kotlin/com/tidal/networktime/NTPVersion.kt @@ -0,0 +1,12 @@ +package com.tidal.networktime + +import kotlin.native.ObjCName + +@ObjCName(name = "TNTNTPVersion", swiftName = "NTPVersion", exact = true) +enum class NTPVersion { + ZERO, + ONE, + TWO, + THREE, + FOUR, +} diff --git a/library/src/commonMain/kotlin/com/tidal/networktime/ProtocolFamily.kt b/library/src/commonMain/kotlin/com/tidal/networktime/ProtocolFamily.kt new file mode 100644 index 00000000..0ad0272d --- /dev/null +++ b/library/src/commonMain/kotlin/com/tidal/networktime/ProtocolFamily.kt @@ -0,0 +1,19 @@ +package com.tidal.networktime + +import kotlin.native.ObjCName + +/** + * A designation of protocol families to discriminate resolved addresses on. + */ +@ObjCName(name = "TNTProtocolFamily", swiftName = "ProtocolFamily", exact = true) +enum class ProtocolFamily { + /** + * IPv4. + */ + INET, + + /** + * IPv6. + */ + INET6, +} diff --git a/library/src/commonMain/kotlin/com/tidal/networktime/SNTPClient.kt b/library/src/commonMain/kotlin/com/tidal/networktime/SNTPClient.kt new file mode 100644 index 00000000..6b56610f --- /dev/null +++ b/library/src/commonMain/kotlin/com/tidal/networktime/SNTPClient.kt @@ -0,0 +1,58 @@ +package com.tidal.networktime + +import com.tidal.networktime.internal.SNTPClientImpl +import kotlinx.coroutines.Job +import okio.Path.Companion.toPath +import kotlin.native.ObjCName +import kotlin.time.Duration +import kotlin.time.Duration.Companion.seconds + +/** + * Constructs a new SNTP client that can be requested to periodically interact with the provided + * [ntpServers] to obtain information about their provided time. + * + * @param ntpServers Representation of supported unicast NTP sources. + * @param synchronizationInterval The amount of time to wait between a sync finishing and the next + * one being started. + * @param backupFilePath A path to a file that will be used to save the selected received NTP + * packets, as well as to read packets before one is available from the network. If `null` then + * [epochTime] is guaranteed to return `null` from program start-up until at least one valid NTP + * packet has been received and processed. If not `null` but writing or reading fail when attempted, + * program execution will continue as if it had been `null` until the next attempt. + */ +@ObjCName(name = "TNTSNTPClient", swiftName = "SNTPClient", exact = true) +class SNTPClient( + vararg val ntpServers: NTPServer, + @ObjCName(name = "synchronizationIntervalMs") + val synchronizationInterval: Duration = 64.seconds, + val backupFilePath: String? = null, +) { + private val delegate = SNTPClientImpl( + ntpServers, + backupFilePath?.toPath(), + synchronizationInterval, + ) + + /** + * The calculated epoch time if it has been calculated at least once or null otherwise. + */ + @ObjCName("epochTimeMs") + val epochTime by delegate::epochTime + + /** + * Starts periodic synchronization. If it's already started, it does nothing. Otherwise, it + * requests an immediate dispatch of a synchronization and subsequent ones + * [synchronizationInterval] after each other. + * + * @return The [Job] for the task that will run the requested synchronization activity update. + */ + fun enableSynchronization() = delegate.enableSynchronization() + + /** + * Stops periodic synchronization if already started, does nothing otherwise. Safe to call + * repeatedly. + * + * @return The [Job] for the task that will run the requested synchronization activity update. + */ + fun disableSynchronization() = delegate.disableSynchronization() +} diff --git a/library/src/commonMain/kotlin/com/tidal/networktime/internal/EpochTimestamp.kt b/library/src/commonMain/kotlin/com/tidal/networktime/internal/EpochTimestamp.kt new file mode 100644 index 00000000..297f1580 --- /dev/null +++ b/library/src/commonMain/kotlin/com/tidal/networktime/internal/EpochTimestamp.kt @@ -0,0 +1,26 @@ +package com.tidal.networktime.internal + +import kotlin.jvm.JvmInline +import kotlin.time.Duration +import kotlin.time.Duration.Companion.milliseconds + +@JvmInline +internal value class EpochTimestamp(val epochTime: Duration) { + val asNTPTimestamp: NTPTimestamp + get() { + val millis = epochTime.inWholeMilliseconds + val useBase1 = millis < NTPPacket.NTP_TIMESTAMP_BASE_WITH_EPOCH_MSB_0_MILLISECONDS + val baseTimeMillis = millis - + if (useBase1) { + NTPPacket.NTP_TIMESTAMP_BASE_WITH_EPOCH_MSB_1_MILLISECONDS + } else { + NTPPacket.NTP_TIMESTAMP_BASE_WITH_EPOCH_MSB_0_MILLISECONDS + } + var seconds = baseTimeMillis / 1_000 + if (useBase1) { + seconds = seconds or 0x80000000L + } + val fraction = baseTimeMillis % 1_000 * 0x100000000L / 1_000 + return NTPTimestamp((seconds shl 32 or fraction).milliseconds) + } +} diff --git a/library/src/commonMain/kotlin/com/tidal/networktime/internal/FileSystemSupplier.kt b/library/src/commonMain/kotlin/com/tidal/networktime/internal/FileSystemSupplier.kt new file mode 100644 index 00000000..e7da053a --- /dev/null +++ b/library/src/commonMain/kotlin/com/tidal/networktime/internal/FileSystemSupplier.kt @@ -0,0 +1,8 @@ +package com.tidal.networktime.internal + +import okio.FileSystem + +@Suppress("EXPECT_ACTUAL_CLASSIFIERS_ARE_IN_BETA_WARNING") +internal expect class FileSystemSupplier() { + val system: FileSystem +} diff --git a/library/src/commonMain/kotlin/com/tidal/networktime/internal/HostNameResolver.kt b/library/src/commonMain/kotlin/com/tidal/networktime/internal/HostNameResolver.kt new file mode 100644 index 00000000..f798f5b2 --- /dev/null +++ b/library/src/commonMain/kotlin/com/tidal/networktime/internal/HostNameResolver.kt @@ -0,0 +1,13 @@ +package com.tidal.networktime.internal + +import kotlin.time.Duration + +@Suppress("EXPECT_ACTUAL_CLASSIFIERS_ARE_IN_BETA_WARNING") +internal expect class HostNameResolver() { + suspend operator fun invoke( + hostName: String, + timeout: Duration, + includeINET: Boolean, + includeINET6: Boolean, + ): Iterable +} diff --git a/library/src/commonMain/kotlin/com/tidal/networktime/internal/KotlinXDateTimeSystemClock.kt b/library/src/commonMain/kotlin/com/tidal/networktime/internal/KotlinXDateTimeSystemClock.kt new file mode 100644 index 00000000..a7285a9a --- /dev/null +++ b/library/src/commonMain/kotlin/com/tidal/networktime/internal/KotlinXDateTimeSystemClock.kt @@ -0,0 +1,10 @@ +package com.tidal.networktime.internal + +import kotlinx.datetime.Clock +import kotlin.time.Duration +import kotlin.time.Duration.Companion.milliseconds + +internal class KotlinXDateTimeSystemClock { + val referenceEpochTime: Duration + get() = Clock.System.now().toEpochMilliseconds().milliseconds +} diff --git a/library/src/commonMain/kotlin/com/tidal/networktime/internal/MutableState.kt b/library/src/commonMain/kotlin/com/tidal/networktime/internal/MutableState.kt new file mode 100644 index 00000000..5dc27eda --- /dev/null +++ b/library/src/commonMain/kotlin/com/tidal/networktime/internal/MutableState.kt @@ -0,0 +1,10 @@ +package com.tidal.networktime.internal + +import kotlinx.coroutines.Job +import kotlin.concurrent.Volatile + +internal class MutableState( + var job: Job? = null, + @Volatile + var synchronizationResult: SynchronizationResult? = null, +) diff --git a/library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPExchangeCoordinator.kt b/library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPExchangeCoordinator.kt new file mode 100644 index 00000000..3ae17bc8 --- /dev/null +++ b/library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPExchangeCoordinator.kt @@ -0,0 +1,42 @@ +package com.tidal.networktime.internal + +import kotlinx.coroutines.withTimeout +import kotlin.time.Duration + +internal class NTPExchangeCoordinator( + private val referenceClock: KotlinXDateTimeSystemClock, + private val ntpPacketSerializer: NTPPacketSerializer, + private val ntpPacketDeserializer: NTPPacketDeserializer, +) { + suspend operator fun invoke( + address: String, + connectTimeout: Duration, + queryReadTimeout: Duration, + ntpVersion: UByte, + ): NTPExchangeResult? { + val ntpUdpSocketOperations = NTPUDPSocketOperations() + return try { + withTimeout(connectTimeout) { + ntpUdpSocketOperations.prepare(address, NTP_PORT_NUMBER) + } + val ntpPacket = NTPPacket(versionNumber = ntpVersion.toInt(), mode = NTP_MODE_CLIENT) + val requestTime = referenceClock.referenceEpochTime + ntpPacket.transmitEpochTimestamp = EpochTimestamp(requestTime).asNTPTimestamp + val buffer = ntpPacketSerializer(ntpPacket) + withTimeout(queryReadTimeout) { + ntpUdpSocketOperations.exchange(buffer) + } + val returnTime = referenceClock.referenceEpochTime + ntpPacketDeserializer(buffer)?.let { NTPExchangeResult(returnTime, it) } + } catch (_: Throwable) { + null + } finally { + ntpUdpSocketOperations.tearDown() + } + } + + companion object { + private const val NTP_MODE_CLIENT = 3 + private const val NTP_PORT_NUMBER = 123 + } +} diff --git a/library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPExchangeResult.kt b/library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPExchangeResult.kt new file mode 100644 index 00000000..8a02d138 --- /dev/null +++ b/library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPExchangeResult.kt @@ -0,0 +1,70 @@ +@file:Suppress("DuplicatedCode") // We need the duplicated variable list for performance reasons + +package com.tidal.networktime.internal + +import kotlin.time.Duration +import kotlin.time.Duration.Companion.milliseconds + +internal data class NTPExchangeResult( + val returnTime: Duration, + val ntpPacket: NTPPacket, +) { + val roundTripDelay: Duration + get() = ntpPacket.run { + val originEpochMillis = originateEpochTimestamp.asEpochTimestamp.epochTime.inWholeMilliseconds + val receiveNTPMillis = receiveEpochTimestamp.ntpTime.inWholeMilliseconds + val receiveEpochMillis = receiveEpochTimestamp.asEpochTimestamp.epochTime.inWholeMilliseconds + val transmitNTPMillis = transmitEpochTimestamp.ntpTime.inWholeMilliseconds + val transmitEpochMillis = transmitEpochTimestamp.asEpochTimestamp + .epochTime + .inWholeMilliseconds + val returnTimeMillis = returnTime.inWholeMilliseconds + if (receiveNTPMillis == 0L || transmitNTPMillis == 0L) { + return@run if (returnTimeMillis >= originEpochMillis) { + (returnTimeMillis - originEpochMillis).milliseconds + } else { + Duration.INFINITE + } + } + var delayMillis = returnTimeMillis - originEpochMillis + val deltaMillis = transmitEpochMillis - receiveEpochMillis + if (deltaMillis <= delayMillis) { + delayMillis -= deltaMillis + } else if (deltaMillis - delayMillis == 1L) { + if (delayMillis != 0L) { + delayMillis = 0 + } + } + delayMillis.milliseconds + } + + val clockOffset: Duration + get() = ntpPacket.run { + val originNTPMillis = originateEpochTimestamp.ntpTime.inWholeMilliseconds + val originEpochMillis = originateEpochTimestamp.asEpochTimestamp.epochTime.inWholeMilliseconds + val receiveNTPMillis = receiveEpochTimestamp.ntpTime.inWholeMilliseconds + val receiveEpochMillis = receiveEpochTimestamp.asEpochTimestamp.epochTime.inWholeMilliseconds + val transmitNTPMillis = transmitEpochTimestamp.ntpTime.inWholeMilliseconds + val transmitEpochMillis = transmitEpochTimestamp.asEpochTimestamp + .epochTime + .inWholeMilliseconds + val returnTimeMillis = returnTime.inWholeMilliseconds + if (originNTPMillis == 0L) { + if (transmitNTPMillis != 0L) { + return@run (transmitEpochMillis - returnTimeMillis).milliseconds + } + return@run Duration.INFINITE + } + if (receiveNTPMillis == 0L || transmitNTPMillis == 0L) { + if (receiveNTPMillis != 0L) { + return@run (receiveEpochMillis - originEpochMillis).milliseconds + } + if (transmitNTPMillis != 0L) { + return@run (transmitEpochMillis - returnTimeMillis).milliseconds + } + return@run Duration.INFINITE + } + ((receiveEpochMillis - originEpochMillis + transmitEpochMillis - returnTimeMillis) / 2) + .milliseconds + } +} diff --git a/library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPPacket.kt b/library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPPacket.kt new file mode 100644 index 00000000..65fc56dd --- /dev/null +++ b/library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPPacket.kt @@ -0,0 +1,25 @@ +package com.tidal.networktime.internal + +import kotlin.time.Duration + +internal data class NTPPacket( + val leapIndicator: Int = 0, + val versionNumber: Int, + val mode: Int, + val stratum: Int = 0, + val poll: Duration = Duration.INFINITE, + val precision: Duration = Duration.INFINITE, + val rootDelay: Duration = Duration.INFINITE, + val rootDispersion: Duration = Duration.INFINITE, + val referenceIdentifier: String = "", + val referenceEpochTimestamp: NTPTimestamp = NTPTimestamp(Duration.ZERO), + val originateEpochTimestamp: NTPTimestamp = NTPTimestamp(Duration.ZERO), + val receiveEpochTimestamp: NTPTimestamp = NTPTimestamp(Duration.ZERO), + /** Keep this mutable to minimize delay (avoids an allocation) **/ + var transmitEpochTimestamp: NTPTimestamp = NTPTimestamp(Duration.ZERO), +) { + companion object { + const val NTP_TIMESTAMP_BASE_WITH_EPOCH_MSB_0_MILLISECONDS = 2085978496000 + const val NTP_TIMESTAMP_BASE_WITH_EPOCH_MSB_1_MILLISECONDS = -2208988800000 + } +} diff --git a/library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPPacketDeserializer.kt b/library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPPacketDeserializer.kt new file mode 100644 index 00000000..fca67b51 --- /dev/null +++ b/library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPPacketDeserializer.kt @@ -0,0 +1,94 @@ +package com.tidal.networktime.internal + +import kotlin.math.pow +import kotlin.time.Duration +import kotlin.time.Duration.Companion.milliseconds +import kotlin.time.Duration.Companion.seconds + +internal class NTPPacketDeserializer { + operator fun invoke(bytes: ByteArray): NTPPacket? { + var index = 0 + val leapIndicator = (bytes[index].toInt() shr 6) and 0b11 + if (leapIndicator == LEAP_INDICATOR_CLOCK_UNSYNCHRONIZED) { + return null + } + val versionNumber = (bytes[index].toInt() shr 3) and 0b111 + val mode = bytes[index].toInt() and 0b111 + if (mode != MODE_SERVER) { + return null + } + ++index + val stratum = bytes[index++].asUnsignedInt + if (stratum >= STRATUM_CLOCK_NOT_SYNCHRONIZED) { + return null + } + val poll = bytes[index++].asSignedIntToThePowerOf2.seconds + val precision = bytes[index++].asSignedIntToThePowerOf2.milliseconds + val rootDelay = bytes.sliceArray(index until index + 4).asNTPIntervalToInterval + index += 4 + val rootDispersion = bytes.sliceArray(index until index + 4).asNTPIntervalToInterval + index += 4 + val referenceIdentifier = bytes.sliceArray(index until index + 4).decodeToString() + index += 4 + val reference = bytes.sliceArray(index until index + 8).asNTPTimestamp + index += 8 + val originate = bytes.sliceArray(index until index + 8).asNTPTimestamp + index += 8 + val receive = bytes.sliceArray(index until index + 8).asNTPTimestamp + index += 8 + val transmit = bytes.sliceArray(index until index + 8).asNTPTimestamp + return NTPPacket( + leapIndicator, + versionNumber, + mode, + stratum, + poll, + precision, + rootDelay, + rootDispersion, + referenceIdentifier, + reference, + originate, + receive, + transmit, + ) + } + + private val Byte.asSignedIntToThePowerOf2 + get() = 2.toDouble().pow(toInt()) + + private val Byte.asUnsignedInt: Int + get() = toUByte().toInt() + + private val ByteArray.asNTPIntervalToInterval: Duration + get() { + var index = 0 + val seconds = (this[index++].asUnsignedInt shl 8) + this[index++].asUnsignedInt + val fraction = ((this[index++].asUnsignedInt shl 8) + this[index].asUnsignedInt) + .toDouble() / (1 shl 16) * 1_000 + return seconds.seconds + fraction.milliseconds + } + + private val Byte.asUnsignedLong: Long + get() = toUByte().toLong() + + private val ByteArray.asNTPTimestamp: NTPTimestamp + get() { + var index = 0 + val ntpMillis = (this[index++].asUnsignedLong shl 56) or + (this[index++].asUnsignedLong shl 48) or + (this[index++].asUnsignedLong shl 40) or + (this[index++].asUnsignedLong shl 32) or + (this[index++].asUnsignedLong shl 24) or + (this[index++].asUnsignedLong shl 16) or + (this[index++].asUnsignedLong shl 8) or + this[index].asUnsignedLong + return NTPTimestamp(ntpMillis.milliseconds) + } + + companion object { + private const val LEAP_INDICATOR_CLOCK_UNSYNCHRONIZED = 0b11 + private const val MODE_SERVER = 4 + private const val STRATUM_CLOCK_NOT_SYNCHRONIZED = 16 + } +} diff --git a/library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPPacketSerializer.kt b/library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPPacketSerializer.kt new file mode 100644 index 00000000..ecd7051a --- /dev/null +++ b/library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPPacketSerializer.kt @@ -0,0 +1,30 @@ +package com.tidal.networktime.internal + +import kotlin.time.Duration + +internal class NTPPacketSerializer { + operator fun invoke(ntpPacket: NTPPacket) = ntpPacket.run { + ByteArray(48).apply { + set(0, ((0 shl 6) or (versionNumber shl 3) or mode).toByte()) + transmitEpochTimestamp.ntpTime + .ntpTimestampAsByteArray + .forEachIndexed { i, it -> + set(40 + i, it) + } + } + } + + private val Duration.ntpTimestampAsByteArray: ByteArray + get() = inWholeMilliseconds.run { + byteArrayOf( + (this shr 56 and 0xff).toByte(), + (this shr 48 and 0xff).toByte(), + (this shr 40 and 0xff).toByte(), + (this shr 32 and 0xff).toByte(), + (this shr 24 and 0xff).toByte(), + (this shr 16 and 0xff).toByte(), + (this shr 8 and 0xff).toByte(), + (this and 0xff).toByte(), + ) + } +} diff --git a/library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPTimestamp.kt b/library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPTimestamp.kt new file mode 100644 index 00000000..5bfa25dc --- /dev/null +++ b/library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPTimestamp.kt @@ -0,0 +1,27 @@ +package com.tidal.networktime.internal + +import kotlin.jvm.JvmInline +import kotlin.time.Duration +import kotlin.time.Duration.Companion.milliseconds + +/** + * NTP timestamps have more precision than epochs represented with Kotlin's Long, so use them as the + * non-computed property. + */ +@JvmInline +internal value class NTPTimestamp(val ntpTime: Duration) { + val asEpochTimestamp: EpochTimestamp + get() { + val ntpTimeValue = ntpTime.inWholeMilliseconds + val seconds = ntpTimeValue ushr 32 and 0xffffffff + val fraction = (1000.0 * (ntpTimeValue and 0xffffffff) / 0x100000000).toLong() + val mostSignificantBit = seconds and 0x80000000L + return ( + if (mostSignificantBit == 0L) { + NTPPacket.NTP_TIMESTAMP_BASE_WITH_EPOCH_MSB_0_MILLISECONDS + } else { + NTPPacket.NTP_TIMESTAMP_BASE_WITH_EPOCH_MSB_1_MILLISECONDS + } + seconds * 1000 + fraction + ).milliseconds.let { EpochTimestamp(it) } + } +} diff --git a/library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPUDPSocketOperations.kt b/library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPUDPSocketOperations.kt new file mode 100644 index 00000000..dca57282 --- /dev/null +++ b/library/src/commonMain/kotlin/com/tidal/networktime/internal/NTPUDPSocketOperations.kt @@ -0,0 +1,10 @@ +package com.tidal.networktime.internal + +@Suppress("EXPECT_ACTUAL_CLASSIFIERS_ARE_IN_BETA_WARNING") +internal expect class NTPUDPSocketOperations() { + suspend fun prepare(address: String, portNumber: Int) + + suspend fun exchange(buffer: ByteArray) + + fun tearDown() +} diff --git a/library/src/commonMain/kotlin/com/tidal/networktime/internal/OperationCoordinator.kt b/library/src/commonMain/kotlin/com/tidal/networktime/internal/OperationCoordinator.kt new file mode 100644 index 00000000..07fa2934 --- /dev/null +++ b/library/src/commonMain/kotlin/com/tidal/networktime/internal/OperationCoordinator.kt @@ -0,0 +1,38 @@ +package com.tidal.networktime.internal + +import com.tidal.networktime.NTPServer +import kotlinx.coroutines.CoroutineDispatcher +import kotlinx.coroutines.CoroutineScope +import kotlinx.coroutines.ExperimentalCoroutinesApi +import kotlinx.coroutines.launch +import kotlin.time.Duration + +internal class OperationCoordinator +@OptIn(ExperimentalCoroutinesApi::class) +constructor( + private val mutableState: MutableState, + private val synchronizationResultProcessor: SynchronizationResultProcessor, + private val coroutineScope: CoroutineScope, + globalDispatcher: CoroutineDispatcher, + private val syncInterval: Duration, + private val ntpServers: Iterable, + private val referenceClock: KotlinXDateTimeSystemClock, + private val toggleDispatcher: CoroutineDispatcher = globalDispatcher.limitedParallelism(1), + private val syncDispatcher: CoroutineDispatcher = globalDispatcher, +) { + fun dispatchStartSync() = dispatch( + SyncEnable( + mutableState, + synchronizationResultProcessor, + coroutineScope, + syncDispatcher, + syncInterval, + ntpServers, + referenceClock, + ), + ) + + fun dispatchStopSync() = dispatch(SyncDisable(mutableState)) + + private fun dispatch(block: () -> Unit) = coroutineScope.launch(toggleDispatcher) { block() } +} diff --git a/library/src/commonMain/kotlin/com/tidal/networktime/internal/SNTPClientImpl.kt b/library/src/commonMain/kotlin/com/tidal/networktime/internal/SNTPClientImpl.kt new file mode 100644 index 00000000..2a5086ea --- /dev/null +++ b/library/src/commonMain/kotlin/com/tidal/networktime/internal/SNTPClientImpl.kt @@ -0,0 +1,45 @@ +package com.tidal.networktime.internal + +import com.tidal.networktime.NTPServer +import kotlinx.coroutines.DelicateCoroutinesApi +import kotlinx.coroutines.Dispatchers +import kotlinx.coroutines.GlobalScope +import kotlinx.coroutines.IO +import okio.Path +import kotlin.time.Duration + +internal class SNTPClientImpl +@OptIn(DelicateCoroutinesApi::class) +constructor( + ntpServers: Array, + backupFilePath: Path?, + syncInterval: Duration, + private val referenceClock: KotlinXDateTimeSystemClock = KotlinXDateTimeSystemClock(), + private val mutableState: MutableState = MutableState(), + private val synchronizationResultProcessor: SynchronizationResultProcessor = + SynchronizationResultProcessor( + mutableState, + backupFilePath, + ), + private val operationCoordinator: OperationCoordinator = + OperationCoordinator( + mutableState, + synchronizationResultProcessor, + GlobalScope, + Dispatchers.IO, + syncInterval, + ntpServers.asIterable(), + referenceClock, + ), +) { + val epochTime: Duration? + get() { + val (synchronizedTime, synchronizedAt) = + synchronizationResultProcessor.synchronizationResult ?: return null + return synchronizedTime - synchronizedAt + referenceClock.referenceEpochTime + } + + fun enableSynchronization() = operationCoordinator.dispatchStartSync() + + fun disableSynchronization() = operationCoordinator.dispatchStopSync() +} diff --git a/library/src/commonMain/kotlin/com/tidal/networktime/internal/SyncDisable.kt b/library/src/commonMain/kotlin/com/tidal/networktime/internal/SyncDisable.kt new file mode 100644 index 00000000..131bff8e --- /dev/null +++ b/library/src/commonMain/kotlin/com/tidal/networktime/internal/SyncDisable.kt @@ -0,0 +1,11 @@ +package com.tidal.networktime.internal + +internal class SyncDisable(private val mutableState: MutableState) : () -> Unit { + override operator fun invoke() = with(mutableState) { + val job = job ?: return + if (!job.isCancelled) { + job.cancel() + } + this.job = null + } +} diff --git a/library/src/commonMain/kotlin/com/tidal/networktime/internal/SyncEnable.kt b/library/src/commonMain/kotlin/com/tidal/networktime/internal/SyncEnable.kt new file mode 100644 index 00000000..fd6c389d --- /dev/null +++ b/library/src/commonMain/kotlin/com/tidal/networktime/internal/SyncEnable.kt @@ -0,0 +1,27 @@ +package com.tidal.networktime.internal + +import com.tidal.networktime.NTPServer +import kotlinx.coroutines.CoroutineDispatcher +import kotlinx.coroutines.CoroutineScope +import kotlinx.coroutines.launch +import kotlin.time.Duration + +internal class SyncEnable( + private val mutableState: MutableState, + private val synchronizationResultProcessor: SynchronizationResultProcessor, + private val coroutineScope: CoroutineScope, + private val syncDispatcher: CoroutineDispatcher, + private val syncInterval: Duration, + private val ntpServers: Iterable, + private val referenceClock: KotlinXDateTimeSystemClock, +) : () -> Unit { + override operator fun invoke() = with(mutableState) { + val job = job + if (job != null && !job.isCancelled) { + return + } + this.job = coroutineScope.launch(syncDispatcher) { + SyncPeriodic(ntpServers, syncInterval, referenceClock, synchronizationResultProcessor)() + } + } +} diff --git a/library/src/commonMain/kotlin/com/tidal/networktime/internal/SyncPeriodic.kt b/library/src/commonMain/kotlin/com/tidal/networktime/internal/SyncPeriodic.kt new file mode 100644 index 00000000..84326273 --- /dev/null +++ b/library/src/commonMain/kotlin/com/tidal/networktime/internal/SyncPeriodic.kt @@ -0,0 +1,29 @@ +package com.tidal.networktime.internal + +import com.tidal.networktime.NTPServer +import kotlinx.coroutines.delay +import kotlin.time.Duration + +internal class SyncPeriodic( + private val ntpServers: Iterable, + private val syncInterval: Duration, + private val referenceClock: KotlinXDateTimeSystemClock, + private val synchronizationResultProcessor: SynchronizationResultProcessor, + private val ntpExchangeCoordinator: NTPExchangeCoordinator = NTPExchangeCoordinator( + referenceClock, + NTPPacketSerializer(), + NTPPacketDeserializer(), + ), +) { + suspend operator fun invoke() { + while (true) { + SyncSingular( + ntpServers, + ntpExchangeCoordinator, + referenceClock, + synchronizationResultProcessor, + )() + delay(syncInterval) + } + } +} diff --git a/library/src/commonMain/kotlin/com/tidal/networktime/internal/SyncSingular.kt b/library/src/commonMain/kotlin/com/tidal/networktime/internal/SyncSingular.kt new file mode 100644 index 00000000..7dbe2e9b --- /dev/null +++ b/library/src/commonMain/kotlin/com/tidal/networktime/internal/SyncSingular.kt @@ -0,0 +1,80 @@ +package com.tidal.networktime.internal + +import com.tidal.networktime.NTPServer +import com.tidal.networktime.NTPVersion +import com.tidal.networktime.ProtocolFamily +import kotlinx.coroutines.async +import kotlinx.coroutines.currentCoroutineContext +import kotlinx.coroutines.delay +import kotlinx.coroutines.withContext + +internal class SyncSingular( + private val ntpServers: Iterable, + private val ntpExchangeCoordinator: NTPExchangeCoordinator, + private val referenceClock: KotlinXDateTimeSystemClock, + private val synchronizationResultProcessor: SynchronizationResultProcessor, + private val hostNameResolver: HostNameResolver = HostNameResolver(), +) { + suspend operator fun invoke() { + val selectedResult = ntpServers.map { + withContext(currentCoroutineContext()) { + async { pickNTPPacketWithShortestRoundTrip(it) } + } + }.flatMap { + it.await() + }.filterNotNull() + .sortedBy { it.clockOffset } + .run { + if (isEmpty()) { + return + } else { + this[size / 2] + } + } + synchronizationResultProcessor.synchronizationResult = SynchronizationResult( + selectedResult.run { returnTime + clockOffset }, + referenceClock.referenceEpochTime, + ) + } + + private suspend fun pickNTPPacketWithShortestRoundTrip(ntpServer: NTPServer) = with(ntpServer) { + try { + hostNameResolver( + hostName, + dnsResolutionTimeout, + ProtocolFamily.INET in protocolFamilies, + ProtocolFamily.INET6 in protocolFamilies, + ).map { resolvedName -> + (1..queriesPerResolvedAddress).mapNotNull { + val ret = ntpExchangeCoordinator( + resolvedName, + queryConnectTimeout, + queryReadTimeout, + when (ntpVersion) { + NTPVersion.ZERO -> 0U + NTPVersion.ONE -> 1U + NTPVersion.TWO -> 2U + NTPVersion.THREE -> 3U + NTPVersion.FOUR -> 4U + }, + ) + if (it != queriesPerResolvedAddress) { + delay(waitBetweenResolvedAddressQueries) + } + if ( + ret?.ntpPacket?.run { rootDelay <= maxRootDelay && rootDispersion <= maxRootDispersion } + == true + ) { + ret + } else { + null + } + } + .takeIf { it.isNotEmpty() } + ?.minBy { it.roundTripDelay } + } + } catch (_: Throwable) { + emptySet() + } + } +} diff --git a/library/src/commonMain/kotlin/com/tidal/networktime/internal/SynchronizationResult.kt b/library/src/commonMain/kotlin/com/tidal/networktime/internal/SynchronizationResult.kt new file mode 100644 index 00000000..6e564f74 --- /dev/null +++ b/library/src/commonMain/kotlin/com/tidal/networktime/internal/SynchronizationResult.kt @@ -0,0 +1,10 @@ +package com.tidal.networktime.internal + +import kotlinx.serialization.Serializable +import kotlin.time.Duration + +@Serializable +internal data class SynchronizationResult( + val synchronizedEpochTime: Duration, + val synchronizedAtReferenceEpochTime: Duration, +) diff --git a/library/src/commonMain/kotlin/com/tidal/networktime/internal/SynchronizationResultProcessor.kt b/library/src/commonMain/kotlin/com/tidal/networktime/internal/SynchronizationResultProcessor.kt new file mode 100644 index 00000000..fbb90fc2 --- /dev/null +++ b/library/src/commonMain/kotlin/com/tidal/networktime/internal/SynchronizationResultProcessor.kt @@ -0,0 +1,42 @@ +package com.tidal.networktime.internal + +import kotlinx.serialization.ExperimentalSerializationApi +import kotlinx.serialization.json.Json +import kotlinx.serialization.json.okio.decodeFromBufferedSource +import kotlinx.serialization.json.okio.encodeToBufferedSink +import okio.FileSystem +import okio.Path + +@OptIn(ExperimentalSerializationApi::class) +internal class SynchronizationResultProcessor( + private val mutableState: MutableState, + private val backupFilePath: Path?, + private val fileSystem: FileSystem = FileSystemSupplier().system, +) { + var synchronizationResult: SynchronizationResult? + get() { + val value = mutableState.synchronizationResult + if (value == null && backupFilePath != null) { + try { + fileSystem.read(backupFilePath) { + val readValue = Json.decodeFromBufferedSource(this) + mutableState.synchronizationResult = readValue + return readValue + } + } catch (_: Throwable) { + } + } + return value + } + set(value) { + mutableState.synchronizationResult = value + if (backupFilePath != null && value != null) { + try { + fileSystem.write(backupFilePath) { + Json.encodeToBufferedSink(value, this) + } + } catch (_: Throwable) { + } + } + } +} diff --git a/library/src/jvmMain/kotlin/com/tidal/networktime/internal/FileSystemSupplier.kt b/library/src/jvmMain/kotlin/com/tidal/networktime/internal/FileSystemSupplier.kt new file mode 100644 index 00000000..064c7e1a --- /dev/null +++ b/library/src/jvmMain/kotlin/com/tidal/networktime/internal/FileSystemSupplier.kt @@ -0,0 +1,8 @@ +package com.tidal.networktime.internal + +import okio.FileSystem + +@Suppress("EXPECT_ACTUAL_CLASSIFIERS_ARE_IN_BETA_WARNING") +internal actual class FileSystemSupplier { + actual val system = FileSystem.SYSTEM +} diff --git a/library/src/jvmMain/kotlin/com/tidal/networktime/internal/HostNameResolver.kt b/library/src/jvmMain/kotlin/com/tidal/networktime/internal/HostNameResolver.kt new file mode 100644 index 00000000..4c52465b --- /dev/null +++ b/library/src/jvmMain/kotlin/com/tidal/networktime/internal/HostNameResolver.kt @@ -0,0 +1,32 @@ +package com.tidal.networktime.internal + +import com.tidal.networktime.ProtocolFamily +import kotlinx.coroutines.withTimeoutOrNull +import java.net.Inet4Address +import java.net.Inet6Address +import java.net.InetAddress +import kotlin.time.Duration + +@Suppress("EXPECT_ACTUAL_CLASSIFIERS_ARE_IN_BETA_WARNING") +internal actual class HostNameResolver { + actual suspend operator fun invoke( + hostName: String, + timeout: Duration, + includeINET: Boolean, + includeINET6: Boolean, + ): Iterable = withTimeoutOrNull(timeout) { + InetAddress.getAllByName(hostName) + }?.mapNotNull { + val protocolFamily = when (it) { + is Inet4Address -> ProtocolFamily.INET + is Inet6Address -> ProtocolFamily.INET6 + else -> null + } + when { + protocolFamily == ProtocolFamily.INET && includeINET || + protocolFamily == ProtocolFamily.INET6 && includeINET6 -> it.hostAddress + + else -> null + } + } ?: emptySet() +} diff --git a/library/src/jvmMain/kotlin/com/tidal/networktime/internal/NTPUDPSocketOperations.kt b/library/src/jvmMain/kotlin/com/tidal/networktime/internal/NTPUDPSocketOperations.kt new file mode 100644 index 00000000..3ba6aeab --- /dev/null +++ b/library/src/jvmMain/kotlin/com/tidal/networktime/internal/NTPUDPSocketOperations.kt @@ -0,0 +1,25 @@ +package com.tidal.networktime.internal + +import java.net.DatagramPacket +import java.net.DatagramSocket +import java.net.InetAddress + +@Suppress("EXPECT_ACTUAL_CLASSIFIERS_ARE_IN_BETA_WARNING", "BlockingMethodInNonBlockingContext") +internal actual class NTPUDPSocketOperations { + private var datagramSocket: DatagramSocket? = null + + actual suspend fun prepare(address: String, portNumber: Int) { + datagramSocket = DatagramSocket() + datagramSocket!!.connect(InetAddress.getByName(address), portNumber) + } + + actual suspend fun exchange(buffer: ByteArray) { + val exchangePacket = DatagramPacket(buffer, buffer.size) + datagramSocket!!.send(exchangePacket) + datagramSocket!!.receive(exchangePacket) + } + + actual fun tearDown() { + datagramSocket?.close() + } +} diff --git a/library/src/nativeInterop/cinterop/NetworkFrameworkWorkaround.def b/library/src/nativeInterop/cinterop/NetworkFrameworkWorkaround.def new file mode 100644 index 00000000..6299952b --- /dev/null +++ b/library/src/nativeInterop/cinterop/NetworkFrameworkWorkaround.def @@ -0,0 +1,31 @@ +package = com.tidal.networktime.internal.network_framework_workaround +language = Objective-C + +--- + +#import +#import + +// https://stackoverflow.com/a/63050804 +NW_RETURNS_RETAINED nw_parameters_t nw_parameters_create_secure_udp_disable_protocol() { + return nw_parameters_create_secure_udp( + NW_PARAMETERS_DISABLE_PROTOCOL, + NW_PARAMETERS_DEFAULT_CONFIGURATION + ); +} + +// https://youtrack.jetbrains.com/issue/KT-62102/ +void nw_connection_send_default_context( + nw_connection_t connection, + _Nullable dispatch_data_t content, + bool is_complete, + nw_connection_send_completion_t completion +) { + nw_connection_send( + connection, + content, + NW_CONNECTION_DEFAULT_MESSAGE_CONTEXT, + is_complete, + completion + ); +} diff --git a/samples/multiplatform-kotlin/android/build.gradle.kts b/samples/multiplatform-kotlin/android/build.gradle.kts new file mode 100644 index 00000000..ce7ebe3c --- /dev/null +++ b/samples/multiplatform-kotlin/android/build.gradle.kts @@ -0,0 +1,33 @@ +plugins { + kotlin("multiplatform") + id("org.jetbrains.compose") + id("com.android.application") +} + +kotlin { + androidTarget { + compilations.all { + kotlinOptions { + jvmTarget = "1.8" + freeCompilerArgs += "-opt-in=androidx.compose.material3.ExperimentalMaterial3Api" + } + } + } + sourceSets { + androidMain.get().dependencies { + implementation(project(":samples-multiplatform-kotlin-shared")) + implementation("androidx.activity:activity-compose:1.8.0") + implementation(project.dependencies.platform("androidx.compose:compose-bom:2023.03.00")) + implementation("androidx.compose.material3:material3") + } + } +} + +android { + compileSdk = 34 + defaultConfig { + minSdk = 21 + targetSdk = 34 + } + namespace = "com.tidal.networktime.sample.android" +} diff --git a/samples/multiplatform-kotlin/android/src/androidMain/AndroidManifest.xml b/samples/multiplatform-kotlin/android/src/androidMain/AndroidManifest.xml new file mode 100644 index 00000000..0e4baf0b --- /dev/null +++ b/samples/multiplatform-kotlin/android/src/androidMain/AndroidManifest.xml @@ -0,0 +1,17 @@ + + + + + + + + + + + diff --git a/samples/multiplatform-kotlin/android/src/androidMain/kotlin/root/MainActivity.kt b/samples/multiplatform-kotlin/android/src/androidMain/kotlin/root/MainActivity.kt new file mode 100644 index 00000000..72cc4ecc --- /dev/null +++ b/samples/multiplatform-kotlin/android/src/androidMain/kotlin/root/MainActivity.kt @@ -0,0 +1,35 @@ +package root + +import android.os.Bundle +import androidx.activity.ComponentActivity +import androidx.activity.compose.setContent +import androidx.compose.foundation.layout.Column +import androidx.compose.foundation.layout.PaddingValues +import androidx.compose.foundation.layout.calculateEndPadding +import androidx.compose.foundation.layout.calculateStartPadding +import androidx.compose.foundation.layout.padding +import androidx.compose.material3.Scaffold +import androidx.compose.ui.Modifier +import androidx.compose.ui.platform.LocalLayoutDirection + +internal class MainActivity : ComponentActivity() { + override fun onCreate(savedInstanceState: Bundle?) { + super.onCreate(savedInstanceState) + setContent { + Scaffold { paddingValues -> + Column( + modifier = Modifier.padding( + PaddingValues( + start = paddingValues.calculateStartPadding(LocalLayoutDirection.current), + top = paddingValues.calculateTopPadding(), + end = paddingValues.calculateEndPadding(LocalLayoutDirection.current), + bottom = paddingValues.calculateBottomPadding(), + ), + ), + ) { + MainScreen((application as MainApplication).viewModel) + } + } + } + } +} diff --git a/samples/multiplatform-kotlin/android/src/androidMain/kotlin/root/MainApplication.kt b/samples/multiplatform-kotlin/android/src/androidMain/kotlin/root/MainApplication.kt new file mode 100644 index 00000000..7a320cfb --- /dev/null +++ b/samples/multiplatform-kotlin/android/src/androidMain/kotlin/root/MainApplication.kt @@ -0,0 +1,8 @@ +package root + +import android.app.Application + +internal class MainApplication : Application() { + + val viewModel by lazy { MainViewModel() } +} diff --git a/samples/multiplatform-kotlin/android/src/androidMain/res/values/themes.xml b/samples/multiplatform-kotlin/android/src/androidMain/res/values/themes.xml new file mode 100644 index 00000000..c2f7eea4 --- /dev/null +++ b/samples/multiplatform-kotlin/android/src/androidMain/res/values/themes.xml @@ -0,0 +1,5 @@ + + + +