| // Copyright 2014 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // @dart = 2.8 |
| |
| import 'dart:async'; |
| |
| import 'package:meta/meta.dart'; |
| import 'package:process/process.dart'; |
| import 'package:vm_service/vm_service.dart' as vm_service; |
| |
| import '../application_package.dart'; |
| import '../base/common.dart'; |
| import '../base/file_system.dart'; |
| import '../base/io.dart'; |
| import '../base/logger.dart'; |
| import '../base/os.dart'; |
| import '../base/platform.dart'; |
| import '../base/utils.dart'; |
| import '../build_info.dart'; |
| import '../convert.dart'; |
| import '../device.dart'; |
| import '../device_port_forwader.dart'; |
| import '../globals.dart' as globals; |
| import '../macos/xcode.dart'; |
| import '../project.dart'; |
| import '../protocol_discovery.dart'; |
| import '../vmservice.dart'; |
| import 'ios_deploy.dart'; |
| import 'ios_workflow.dart'; |
| import 'iproxy.dart'; |
| import 'mac.dart'; |
| |
| class IOSDevices extends PollingDeviceDiscovery { |
| IOSDevices({ |
| @required Platform platform, |
| @required XCDevice xcdevice, |
| @required IOSWorkflow iosWorkflow, |
| @required Logger logger, |
| }) : _platform = platform, |
| _xcdevice = xcdevice, |
| _iosWorkflow = iosWorkflow, |
| _logger = logger, |
| super('iOS devices'); |
| |
| final Platform _platform; |
| final XCDevice _xcdevice; |
| final IOSWorkflow _iosWorkflow; |
| final Logger _logger; |
| |
| @override |
| bool get supportsPlatform => _platform.isMacOS; |
| |
| @override |
| bool get canListAnything => _iosWorkflow.canListDevices; |
| |
| StreamSubscription<Map<XCDeviceEvent, String>> _observedDeviceEventsSubscription; |
| |
| @override |
| Future<void> startPolling() async { |
| if (!_platform.isMacOS) { |
| throw UnsupportedError( |
| 'Control of iOS devices or simulators only supported on macOS.' |
| ); |
| } |
| if (!_xcdevice.isInstalled) { |
| return; |
| } |
| |
| deviceNotifier ??= ItemListNotifier<Device>(); |
| |
| // Start by populating all currently attached devices. |
| deviceNotifier.updateWithNewList(await pollingGetDevices()); |
| |
| // cancel any outstanding subscriptions. |
| await _observedDeviceEventsSubscription?.cancel(); |
| _observedDeviceEventsSubscription = _xcdevice.observedDeviceEvents()?.listen( |
| _onDeviceEvent, |
| onError: (dynamic error, StackTrace stack) { |
| _logger.printTrace('Process exception running xcdevice observe:\n$error\n$stack'); |
| }, onDone: () { |
| // If xcdevice is killed or otherwise dies, polling will be stopped. |
| // No retry is attempted and the polling client will have to restart polling |
| // (restart the IDE). Avoid hammering on a process that is |
| // continuously failing. |
| _logger.printTrace('xcdevice observe stopped'); |
| }, |
| cancelOnError: true, |
| ); |
| } |
| |
| Future<void> _onDeviceEvent(Map<XCDeviceEvent, String> event) async { |
| final XCDeviceEvent eventType = event.containsKey(XCDeviceEvent.attach) ? XCDeviceEvent.attach : XCDeviceEvent.detach; |
| final String deviceIdentifier = event[eventType]; |
| final Device knownDevice = deviceNotifier.items |
| .firstWhere((Device device) => device.id == deviceIdentifier, orElse: () => null); |
| |
| // Ignore already discovered devices (maybe populated at the beginning). |
| if (eventType == XCDeviceEvent.attach && knownDevice == null) { |
| // There's no way to get details for an individual attached device, |
| // so repopulate them all. |
| final List<Device> devices = await pollingGetDevices(); |
| deviceNotifier.updateWithNewList(devices); |
| } else if (eventType == XCDeviceEvent.detach && knownDevice != null) { |
| deviceNotifier.removeItem(knownDevice); |
| } |
| } |
| |
| @override |
| Future<void> stopPolling() async { |
| await _observedDeviceEventsSubscription?.cancel(); |
| } |
| |
| @override |
| Future<List<Device>> pollingGetDevices({ Duration timeout }) async { |
| if (!_platform.isMacOS) { |
| throw UnsupportedError( |
| 'Control of iOS devices or simulators only supported on macOS.' |
| ); |
| } |
| |
| return _xcdevice.getAvailableIOSDevices(timeout: timeout); |
| } |
| |
| @override |
| Future<List<String>> getDiagnostics() async { |
| if (!_platform.isMacOS) { |
| return const <String>[ |
| 'Control of iOS devices or simulators only supported on macOS.' |
| ]; |
| } |
| |
| return _xcdevice.getDiagnostics(); |
| } |
| } |
| |
| enum IOSDeviceInterface { |
| none, |
| usb, |
| network, |
| } |
| |
| class IOSDevice extends Device { |
| IOSDevice(String id, { |
| @required FileSystem fileSystem, |
| @required this.name, |
| @required this.cpuArchitecture, |
| @required this.interfaceType, |
| @required String sdkVersion, |
| @required Platform platform, |
| @required IOSDeploy iosDeploy, |
| @required IMobileDevice iMobileDevice, |
| @required IProxy iProxy, |
| @required Logger logger, |
| }) |
| : _sdkVersion = sdkVersion, |
| _iosDeploy = iosDeploy, |
| _iMobileDevice = iMobileDevice, |
| _iproxy = iProxy, |
| _fileSystem = fileSystem, |
| _logger = logger, |
| _platform = platform, |
| super( |
| id, |
| category: Category.mobile, |
| platformType: PlatformType.ios, |
| ephemeral: true, |
| ) { |
| if (!_platform.isMacOS) { |
| assert(false, 'Control of iOS devices or simulators only supported on Mac OS.'); |
| return; |
| } |
| } |
| |
| final String _sdkVersion; |
| final IOSDeploy _iosDeploy; |
| final FileSystem _fileSystem; |
| final Logger _logger; |
| final Platform _platform; |
| final IMobileDevice _iMobileDevice; |
| final IProxy _iproxy; |
| |
| /// May be 0 if version cannot be parsed. |
| int get majorSdkVersion { |
| final String majorVersionString = _sdkVersion?.split('.')?.first?.trim(); |
| return majorVersionString != null ? int.tryParse(majorVersionString) ?? 0 : 0; |
| } |
| |
| @override |
| bool get supportsHotReload => interfaceType == IOSDeviceInterface.usb; |
| |
| @override |
| bool get supportsHotRestart => interfaceType == IOSDeviceInterface.usb; |
| |
| @override |
| bool get supportsFlutterExit => interfaceType == IOSDeviceInterface.usb; |
| |
| @override |
| final String name; |
| |
| @override |
| bool supportsRuntimeMode(BuildMode buildMode) => buildMode != BuildMode.jitRelease; |
| |
| final DarwinArch cpuArchitecture; |
| |
| final IOSDeviceInterface interfaceType; |
| |
| Map<IOSApp, DeviceLogReader> _logReaders; |
| |
| DevicePortForwarder _portForwarder; |
| |
| @visibleForTesting |
| IOSDeployDebugger iosDeployDebugger; |
| |
| @override |
| Future<bool> get isLocalEmulator async => false; |
| |
| @override |
| Future<String> get emulatorId async => null; |
| |
| @override |
| bool get supportsStartPaused => false; |
| |
| @override |
| Future<bool> isAppInstalled( |
| IOSApp app, { |
| String userIdentifier, |
| }) async { |
| bool result; |
| try { |
| result = await _iosDeploy.isAppInstalled( |
| bundleId: app.id, |
| deviceId: id, |
| ); |
| } on ProcessException catch (e) { |
| _logger.printError(e.message); |
| return false; |
| } |
| return result; |
| } |
| |
| @override |
| Future<bool> isLatestBuildInstalled(IOSApp app) async => false; |
| |
| @override |
| Future<bool> installApp( |
| IOSApp app, { |
| String userIdentifier, |
| }) async { |
| final Directory bundle = _fileSystem.directory(app.deviceBundlePath); |
| if (!bundle.existsSync()) { |
| _logger.printError('Could not find application bundle at ${bundle.path}; have you run "flutter build ios"?'); |
| return false; |
| } |
| |
| int installationResult; |
| try { |
| installationResult = await _iosDeploy.installApp( |
| deviceId: id, |
| bundlePath: bundle.path, |
| appDeltaDirectory: app.appDeltaDirectory, |
| launchArguments: <String>[], |
| interfaceType: interfaceType, |
| ); |
| } on ProcessException catch (e) { |
| _logger.printError(e.message); |
| return false; |
| } |
| if (installationResult != 0) { |
| _logger.printError('Could not install ${bundle.path} on $id.'); |
| _logger.printError('Try launching Xcode and selecting "Product > Run" to fix the problem:'); |
| _logger.printError(' open ios/Runner.xcworkspace'); |
| _logger.printError(''); |
| return false; |
| } |
| return true; |
| } |
| |
| @override |
| Future<bool> uninstallApp( |
| IOSApp app, { |
| String userIdentifier, |
| }) async { |
| int uninstallationResult; |
| try { |
| uninstallationResult = await _iosDeploy.uninstallApp( |
| deviceId: id, |
| bundleId: app.id, |
| ); |
| } on ProcessException catch (e) { |
| _logger.printError(e.message); |
| return false; |
| } |
| if (uninstallationResult != 0) { |
| _logger.printError('Could not uninstall ${app.id} on $id.'); |
| return false; |
| } |
| return true; |
| } |
| |
| @override |
| bool isSupported() => true; |
| |
| @override |
| Future<LaunchResult> startApp( |
| IOSApp package, { |
| String mainPath, |
| String route, |
| DebuggingOptions debuggingOptions, |
| Map<String, dynamic> platformArgs, |
| bool prebuiltApplication = false, |
| bool ipv6 = false, |
| String userIdentifier, |
| }) async { |
| String packageId; |
| |
| if (!prebuiltApplication) { |
| _logger.printTrace('Building ${package.name} for $id'); |
| |
| // Step 1: Build the precompiled/DBC application if necessary. |
| final XcodeBuildResult buildResult = await buildXcodeProject( |
| app: package as BuildableIOSApp, |
| buildInfo: debuggingOptions.buildInfo, |
| targetOverride: mainPath, |
| buildForDevice: true, |
| activeArch: cpuArchitecture, |
| deviceID: id, |
| ); |
| if (!buildResult.success) { |
| _logger.printError('Could not build the precompiled application for the device.'); |
| await diagnoseXcodeBuildFailure(buildResult, globals.flutterUsage, _logger); |
| _logger.printError(''); |
| return LaunchResult.failed(); |
| } |
| packageId = buildResult.xcodeBuildExecution?.buildSettings['PRODUCT_BUNDLE_IDENTIFIER']; |
| } |
| |
| packageId ??= package.id; |
| |
| // Step 2: Check that the application exists at the specified path. |
| final Directory bundle = _fileSystem.directory(package.deviceBundlePath); |
| if (!bundle.existsSync()) { |
| _logger.printError('Could not find the built application bundle at ${bundle.path}.'); |
| return LaunchResult.failed(); |
| } |
| |
| // Step 3: Attempt to install the application on the device. |
| final String dartVmFlags = computeDartVmFlags(debuggingOptions); |
| final List<String> launchArguments = <String>[ |
| '--enable-dart-profiling', |
| '--disable-service-auth-codes', |
| if (debuggingOptions.disablePortPublication) '--disable-observatory-publication', |
| if (debuggingOptions.startPaused) '--start-paused', |
| if (dartVmFlags.isNotEmpty) '--dart-flags="$dartVmFlags"', |
| if (debuggingOptions.useTestFonts) '--use-test-fonts', |
| if (debuggingOptions.debuggingEnabled) ...<String>[ |
| '--enable-checked-mode', |
| '--verify-entry-points', |
| ], |
| if (debuggingOptions.enableSoftwareRendering) '--enable-software-rendering', |
| if (debuggingOptions.skiaDeterministicRendering) '--skia-deterministic-rendering', |
| if (debuggingOptions.traceSkia) '--trace-skia', |
| if (debuggingOptions.traceAllowlist != null) '--trace-allowlist="${debuggingOptions.traceAllowlist}"', |
| if (debuggingOptions.endlessTraceBuffer) '--endless-trace-buffer', |
| if (debuggingOptions.dumpSkpOnShaderCompilation) '--dump-skp-on-shader-compilation', |
| if (debuggingOptions.verboseSystemLogs) '--verbose-logging', |
| if (debuggingOptions.cacheSkSL) '--cache-sksl', |
| if (debuggingOptions.purgePersistentCache) '--purge-persistent-cache', |
| if (platformArgs['trace-startup'] as bool ?? false) '--trace-startup', |
| ]; |
| |
| final Status installStatus = _logger.startProgress( |
| 'Installing and launching...', |
| ); |
| try { |
| ProtocolDiscovery observatoryDiscovery; |
| int installationResult = 1; |
| if (debuggingOptions.debuggingEnabled) { |
| _logger.printTrace('Debugging is enabled, connecting to observatory'); |
| final DeviceLogReader deviceLogReader = getLogReader(app: package); |
| |
| // If the device supports syslog reading, prefer launching the app without |
| // attaching the debugger to avoid the overhead of the unnecessary extra running process. |
| if (majorSdkVersion >= IOSDeviceLogReader.minimumUniversalLoggingSdkVersion) { |
| iosDeployDebugger = _iosDeploy.prepareDebuggerForLaunch( |
| deviceId: id, |
| bundlePath: bundle.path, |
| appDeltaDirectory: package.appDeltaDirectory, |
| launchArguments: launchArguments, |
| interfaceType: interfaceType, |
| ); |
| if (deviceLogReader is IOSDeviceLogReader) { |
| deviceLogReader.debuggerStream = iosDeployDebugger; |
| } |
| } |
| observatoryDiscovery = ProtocolDiscovery.observatory( |
| deviceLogReader, |
| portForwarder: portForwarder, |
| hostPort: debuggingOptions.hostVmServicePort, |
| devicePort: debuggingOptions.deviceVmServicePort, |
| ipv6: ipv6, |
| logger: _logger, |
| ); |
| } |
| if (iosDeployDebugger == null) { |
| installationResult = await _iosDeploy.launchApp( |
| deviceId: id, |
| bundlePath: bundle.path, |
| appDeltaDirectory: package.appDeltaDirectory, |
| launchArguments: launchArguments, |
| interfaceType: interfaceType, |
| ); |
| } else { |
| installationResult = await iosDeployDebugger.launchAndAttach() ? 0 : 1; |
| } |
| if (installationResult != 0) { |
| _logger.printError('Could not run ${bundle.path} on $id.'); |
| _logger.printError('Try launching Xcode and selecting "Product > Run" to fix the problem:'); |
| _logger.printError(' open ios/Runner.xcworkspace'); |
| _logger.printError(''); |
| return LaunchResult.failed(); |
| } |
| |
| if (!debuggingOptions.debuggingEnabled) { |
| return LaunchResult.succeeded(); |
| } |
| |
| _logger.printTrace('Application launched on the device. Waiting for observatory port.'); |
| Uri localUri; |
| try { |
| localUri = await observatoryDiscovery.uri.timeout(const Duration(seconds: 30)); |
| } on TimeoutException { |
| await observatoryDiscovery.cancel(); |
| } |
| if (localUri == null) { |
| iosDeployDebugger?.detach(); |
| return LaunchResult.failed(); |
| } |
| return LaunchResult.succeeded(observatoryUri: localUri); |
| } on ProcessException catch (e) { |
| iosDeployDebugger?.detach(); |
| _logger.printError(e.message); |
| return LaunchResult.failed(); |
| } finally { |
| installStatus.stop(); |
| } |
| } |
| |
| @override |
| Future<bool> stopApp( |
| IOSApp app, { |
| String userIdentifier, |
| }) async { |
| // If the debugger is not attached, killing the ios-deploy process won't stop the app. |
| if (iosDeployDebugger!= null && iosDeployDebugger.debuggerAttached) { |
| // Avoid null. |
| return iosDeployDebugger?.exit() == true; |
| } |
| return false; |
| } |
| |
| @override |
| Future<TargetPlatform> get targetPlatform async => TargetPlatform.ios; |
| |
| @override |
| Future<String> get sdkNameAndVersion async => 'iOS $_sdkVersion'; |
| |
| @override |
| DeviceLogReader getLogReader({ |
| IOSApp app, |
| bool includePastLogs = false, |
| }) { |
| assert(!includePastLogs, 'Past log reading not supported on iOS devices.'); |
| _logReaders ??= <IOSApp, DeviceLogReader>{}; |
| return _logReaders.putIfAbsent(app, () => IOSDeviceLogReader.create( |
| device: this, |
| app: app, |
| iMobileDevice: _iMobileDevice, |
| )); |
| } |
| |
| @visibleForTesting |
| void setLogReader(IOSApp app, DeviceLogReader logReader) { |
| _logReaders ??= <IOSApp, DeviceLogReader>{}; |
| _logReaders[app] = logReader; |
| } |
| |
| @override |
| DevicePortForwarder get portForwarder => _portForwarder ??= IOSDevicePortForwarder( |
| logger: _logger, |
| iproxy: _iproxy, |
| id: id, |
| operatingSystemUtils: globals.os, |
| ); |
| |
| @visibleForTesting |
| set portForwarder(DevicePortForwarder forwarder) { |
| _portForwarder = forwarder; |
| } |
| |
| @override |
| void clearLogs() { } |
| |
| @override |
| bool get supportsScreenshot => _iMobileDevice.isInstalled; |
| |
| @override |
| Future<void> takeScreenshot(File outputFile) async { |
| await _iMobileDevice.takeScreenshot(outputFile, id, interfaceType); |
| } |
| |
| @override |
| bool isSupportedForProject(FlutterProject flutterProject) { |
| return flutterProject.ios.existsSync(); |
| } |
| |
| @override |
| Future<void> dispose() async { |
| _logReaders?.forEach((IOSApp application, DeviceLogReader logReader) { |
| logReader.dispose(); |
| }); |
| await _portForwarder?.dispose(); |
| } |
| } |
| |
| /// Decodes a vis-encoded syslog string to a UTF-8 representation. |
| /// |
| /// Apple's syslog logs are encoded in 7-bit form. Input bytes are encoded as follows: |
| /// 1. 0x00 to 0x19: non-printing range. Some ignored, some encoded as <...>. |
| /// 2. 0x20 to 0x7f: as-is, with the exception of 0x5c (backslash). |
| /// 3. 0x5c (backslash): octal representation \134. |
| /// 4. 0x80 to 0x9f: \M^x (using control-character notation for range 0x00 to 0x40). |
| /// 5. 0xa0: octal representation \240. |
| /// 6. 0xa1 to 0xf7: \M-x (where x is the input byte stripped of its high-order bit). |
| /// 7. 0xf8 to 0xff: unused in 4-byte UTF-8. |
| /// |
| /// See: [vis(3) manpage](https://www.freebsd.org/cgi/man.cgi?query=vis&sektion=3) |
| String decodeSyslog(String line) { |
| // UTF-8 values for \, M, -, ^. |
| const int kBackslash = 0x5c; |
| const int kM = 0x4d; |
| const int kDash = 0x2d; |
| const int kCaret = 0x5e; |
| |
| // Mask for the UTF-8 digit range. |
| const int kNum = 0x30; |
| |
| // Returns true when `byte` is within the UTF-8 7-bit digit range (0x30 to 0x39). |
| bool isDigit(int byte) => (byte & 0xf0) == kNum; |
| |
| // Converts a three-digit ASCII (UTF-8) representation of an octal number `xyz` to an integer. |
| int decodeOctal(int x, int y, int z) => (x & 0x3) << 6 | (y & 0x7) << 3 | z & 0x7; |
| |
| try { |
| final List<int> bytes = utf8.encode(line); |
| final List<int> out = <int>[]; |
| for (int i = 0; i < bytes.length;) { |
| if (bytes[i] != kBackslash || i > bytes.length - 4) { |
| // Unmapped byte: copy as-is. |
| out.add(bytes[i++]); |
| } else { |
| // Mapped byte: decode next 4 bytes. |
| if (bytes[i + 1] == kM && bytes[i + 2] == kCaret) { |
| // \M^x form: bytes in range 0x80 to 0x9f. |
| out.add((bytes[i + 3] & 0x7f) + 0x40); |
| } else if (bytes[i + 1] == kM && bytes[i + 2] == kDash) { |
| // \M-x form: bytes in range 0xa0 to 0xf7. |
| out.add(bytes[i + 3] | 0x80); |
| } else if (bytes.getRange(i + 1, i + 3).every(isDigit)) { |
| // \ddd form: octal representation (only used for \134 and \240). |
| out.add(decodeOctal(bytes[i + 1], bytes[i + 2], bytes[i + 3])); |
| } else { |
| // Unknown form: copy as-is. |
| out.addAll(bytes.getRange(0, 4)); |
| } |
| i += 4; |
| } |
| } |
| return utf8.decode(out); |
| } on Exception { |
| // Unable to decode line: return as-is. |
| return line; |
| } |
| } |
| |
| @visibleForTesting |
| class IOSDeviceLogReader extends DeviceLogReader { |
| IOSDeviceLogReader._( |
| this._iMobileDevice, |
| this._majorSdkVersion, |
| this._deviceId, |
| this.name, |
| String appName, |
| ) { |
| _linesController = StreamController<String>.broadcast( |
| onListen: _listenToSysLog, |
| onCancel: dispose, |
| ); |
| |
| // Match for lines for the runner in syslog. |
| // |
| // iOS 9 format: Runner[297] <Notice>: |
| // iOS 10 format: Runner(Flutter)[297] <Notice>: |
| _runnerLineRegex = RegExp(appName + r'(\(Flutter\))?\[[\d]+\] <[A-Za-z]+>: '); |
| // Similar to above, but allows ~arbitrary components instead of "Runner" |
| // and "Flutter". The regex tries to strike a balance between not producing |
| // false positives and not producing false negatives. |
| _anyLineRegex = RegExp(r'\w+(\([^)]*\))?\[\d+\] <[A-Za-z]+>: '); |
| _loggingSubscriptions = <StreamSubscription<void>>[]; |
| } |
| |
| /// Create a new [IOSDeviceLogReader]. |
| factory IOSDeviceLogReader.create({ |
| @required IOSDevice device, |
| @required IOSApp app, |
| @required IMobileDevice iMobileDevice, |
| }) { |
| final String appName = app == null ? '' : app.name.replaceAll('.app', ''); |
| return IOSDeviceLogReader._( |
| iMobileDevice, |
| device.majorSdkVersion, |
| device.id, |
| device.name, |
| appName, |
| ); |
| } |
| |
| /// Create an [IOSDeviceLogReader] for testing. |
| factory IOSDeviceLogReader.test({ |
| @required IMobileDevice iMobileDevice, |
| bool useSyslog = true, |
| }) { |
| return IOSDeviceLogReader._( |
| iMobileDevice, useSyslog ? 12 : 13, '1234', 'test', 'Runner'); |
| } |
| |
| @override |
| final String name; |
| final int _majorSdkVersion; |
| final String _deviceId; |
| final IMobileDevice _iMobileDevice; |
| |
| // Matches a syslog line from the runner. |
| RegExp _runnerLineRegex; |
| // Matches a syslog line from any app. |
| RegExp _anyLineRegex; |
| |
| // Logging from native code/Flutter engine is prefixed by timestamp and process metadata: |
| // 2020-09-15 19:15:10.931434-0700 Runner[541:226276] Did finish launching. |
| // 2020-09-15 19:15:10.931434-0700 Runner[541:226276] [Category] Did finish launching. |
| // |
| // Logging from the dart code has no prefixing metadata. |
| final RegExp _debuggerLoggingRegex = RegExp(r'^\S* \S* \S*\[[0-9:]*] (.*)'); |
| |
| StreamController<String> _linesController; |
| List<StreamSubscription<void>> _loggingSubscriptions; |
| |
| @override |
| Stream<String> get logLines => _linesController.stream; |
| |
| @override |
| FlutterVmService get connectedVMService => _connectedVMService; |
| FlutterVmService _connectedVMService; |
| |
| @override |
| set connectedVMService(FlutterVmService connectedVmService) { |
| _listenToUnifiedLoggingEvents(connectedVmService); |
| _connectedVMService = connectedVmService; |
| } |
| |
| static const int minimumUniversalLoggingSdkVersion = 13; |
| |
| Future<void> _listenToUnifiedLoggingEvents(FlutterVmService connectedVmService) async { |
| if (_majorSdkVersion < minimumUniversalLoggingSdkVersion) { |
| return; |
| } |
| try { |
| // The VM service will not publish logging events unless the debug stream is being listened to. |
| // Listen to this stream as a side effect. |
| unawaited(connectedVmService.service.streamListen('Debug')); |
| |
| await Future.wait(<Future<void>>[ |
| connectedVmService.service.streamListen(vm_service.EventStreams.kStdout), |
| connectedVmService.service.streamListen(vm_service.EventStreams.kStderr), |
| ]); |
| } on vm_service.RPCError { |
| // Do nothing, since the tool is already subscribed. |
| } |
| |
| void logMessage(vm_service.Event event) { |
| if (_iosDeployDebugger != null && _iosDeployDebugger.debuggerAttached) { |
| // Prefer the more complete logs from the attached debugger. |
| return; |
| } |
| final String message = processVmServiceMessage(event); |
| if (message.isNotEmpty) { |
| _linesController.add(message); |
| } |
| } |
| |
| _loggingSubscriptions.addAll(<StreamSubscription<void>>[ |
| connectedVmService.service.onStdoutEvent.listen(logMessage), |
| connectedVmService.service.onStderrEvent.listen(logMessage), |
| ]); |
| } |
| |
| /// Log reader will listen to [debugger.logLines] and will detach debugger on dispose. |
| set debuggerStream(IOSDeployDebugger debugger) { |
| // Logging is gathered from syslog on iOS 13 and earlier. |
| if (_majorSdkVersion < minimumUniversalLoggingSdkVersion) { |
| return; |
| } |
| _iosDeployDebugger = debugger; |
| // Add the debugger logs to the controller created on initialization. |
| _loggingSubscriptions.add(debugger.logLines.listen( |
| (String line) => _linesController.add(_debuggerLineHandler(line)), |
| onError: _linesController.addError, |
| onDone: _linesController.close, |
| cancelOnError: true, |
| )); |
| } |
| IOSDeployDebugger _iosDeployDebugger; |
| |
| // Strip off the logging metadata (leave the category), or just echo the line. |
| String _debuggerLineHandler(String line) => _debuggerLoggingRegex?.firstMatch(line)?.group(1) ?? line; |
| |
| void _listenToSysLog() { |
| // syslog is not written on iOS 13+. |
| if (_majorSdkVersion >= minimumUniversalLoggingSdkVersion) { |
| return; |
| } |
| _iMobileDevice.startLogger(_deviceId).then<void>((Process process) { |
| process.stdout.transform<String>(utf8.decoder).transform<String>(const LineSplitter()).listen(_newSyslogLineHandler()); |
| process.stderr.transform<String>(utf8.decoder).transform<String>(const LineSplitter()).listen(_newSyslogLineHandler()); |
| process.exitCode.whenComplete(() { |
| if (_linesController.hasListener) { |
| _linesController.close(); |
| } |
| }); |
| assert(_idevicesyslogProcess == null); |
| _idevicesyslogProcess = process; |
| }); |
| } |
| |
| @visibleForTesting |
| set idevicesyslogProcess(Process process) => _idevicesyslogProcess = process; |
| Process _idevicesyslogProcess; |
| |
| // Returns a stateful line handler to properly capture multiline output. |
| // |
| // For multiline log messages, any line after the first is logged without |
| // any specific prefix. To properly capture those, we enter "printing" mode |
| // after matching a log line from the runner. When in printing mode, we print |
| // all lines until we find the start of another log message (from any app). |
| void Function(String line) _newSyslogLineHandler() { |
| bool printing = false; |
| |
| return (String line) { |
| if (printing) { |
| if (!_anyLineRegex.hasMatch(line)) { |
| _linesController.add(decodeSyslog(line)); |
| return; |
| } |
| |
| printing = false; |
| } |
| |
| final Match match = _runnerLineRegex.firstMatch(line); |
| |
| if (match != null) { |
| final String logLine = line.substring(match.end); |
| // Only display the log line after the initial device and executable information. |
| _linesController.add(decodeSyslog(logLine)); |
| |
| printing = true; |
| } |
| }; |
| } |
| |
| @override |
| void dispose() { |
| for (final StreamSubscription<void> loggingSubscription in _loggingSubscriptions) { |
| loggingSubscription.cancel(); |
| } |
| _idevicesyslogProcess?.kill(); |
| _iosDeployDebugger?.detach(); |
| } |
| } |
| |
| /// A [DevicePortForwarder] specialized for iOS usage with iproxy. |
| class IOSDevicePortForwarder extends DevicePortForwarder { |
| |
| /// Create a new [IOSDevicePortForwarder]. |
| IOSDevicePortForwarder({ |
| @required Logger logger, |
| @required String id, |
| @required IProxy iproxy, |
| @required OperatingSystemUtils operatingSystemUtils, |
| }) : _logger = logger, |
| _id = id, |
| _iproxy = iproxy, |
| _operatingSystemUtils = operatingSystemUtils; |
| |
| /// Create a [IOSDevicePortForwarder] for testing. |
| /// |
| /// This specifies the path to iproxy as 'iproxy` and the dyLdLibEntry as |
| /// 'DYLD_LIBRARY_PATH: /path/to/libs'. |
| /// |
| /// The device id may be provided, but otherwise defaults to '1234'. |
| factory IOSDevicePortForwarder.test({ |
| @required ProcessManager processManager, |
| @required Logger logger, |
| String id, |
| OperatingSystemUtils operatingSystemUtils, |
| }) { |
| return IOSDevicePortForwarder( |
| logger: logger, |
| iproxy: IProxy.test( |
| logger: logger, |
| processManager: processManager, |
| ), |
| id: id ?? '1234', |
| operatingSystemUtils: operatingSystemUtils, |
| ); |
| } |
| |
| final Logger _logger; |
| final String _id; |
| final IProxy _iproxy; |
| final OperatingSystemUtils _operatingSystemUtils; |
| |
| @override |
| List<ForwardedPort> forwardedPorts = <ForwardedPort>[]; |
| |
| @visibleForTesting |
| void addForwardedPorts(List<ForwardedPort> ports) { |
| ports.forEach(forwardedPorts.add); |
| } |
| |
| static const Duration _kiProxyPortForwardTimeout = Duration(seconds: 1); |
| |
| @override |
| Future<int> forward(int devicePort, { int hostPort }) async { |
| final bool autoselect = hostPort == null || hostPort == 0; |
| if (autoselect) { |
| final int freePort = await _operatingSystemUtils?.findFreePort(); |
| // Dynamic port range 49152 - 65535. |
| hostPort = freePort == null || freePort == 0 ? 49152 : freePort; |
| } |
| |
| Process process; |
| |
| bool connected = false; |
| while (!connected) { |
| _logger.printTrace('Attempting to forward device port $devicePort to host port $hostPort'); |
| process = await _iproxy.forward(devicePort, hostPort, _id); |
| // TODO(ianh): This is a flaky race condition, https://github.com/libimobiledevice/libimobiledevice/issues/674 |
| connected = !await process.stdout.isEmpty.timeout(_kiProxyPortForwardTimeout, onTimeout: () => false); |
| if (!connected) { |
| process.kill(); |
| if (autoselect) { |
| hostPort += 1; |
| if (hostPort > 65535) { |
| throw Exception('Could not find open port on host.'); |
| } |
| } else { |
| throw Exception('Port $hostPort is not available.'); |
| } |
| } |
| } |
| assert(connected); |
| assert(process != null); |
| |
| final ForwardedPort forwardedPort = ForwardedPort.withContext( |
| hostPort, devicePort, process, |
| ); |
| _logger.printTrace('Forwarded port $forwardedPort'); |
| forwardedPorts.add(forwardedPort); |
| return hostPort; |
| } |
| |
| @override |
| Future<void> unforward(ForwardedPort forwardedPort) async { |
| if (!forwardedPorts.remove(forwardedPort)) { |
| // Not in list. Nothing to remove. |
| return; |
| } |
| |
| _logger.printTrace('Un-forwarding port $forwardedPort'); |
| forwardedPort.dispose(); |
| } |
| |
| @override |
| Future<void> dispose() async { |
| for (final ForwardedPort forwardedPort in forwardedPorts) { |
| forwardedPort.dispose(); |
| } |
| } |
| } |