Files
flutter-elinux/lib/elinux_device.dart
T
Hidenori Matsubayashi 2f83e0844e Add FLUTTER_ELINUX_CUSTOM_RUN_ARGS env to pass custom run options (#201)
This change adds FLUTTER_ELINUX_CUSTOM_RUN_ARGS to pass custom run options for elinux embedder.

e.g.
$ FLUTTER_ELINUX_CUSTOM_RUN_ARGS="-w 640 -h 480" flutter-elinux run -d elinux-wayland

Signed-off-by: Hidenori Matsubayashi <Hidenori.Matsubayashi@gmail.com>
2023-08-14 06:53:21 +00:00

502 lines
16 KiB
Dart

// Copyright 2023 Sony Group Corporation. All rights reserved.
// 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.
import 'dart:async';
import 'dart:io';
import 'package:flutter_tools/src/android/android_device.dart';
import 'package:flutter_tools/src/base/logger.dart';
import 'package:flutter_tools/src/base/os.dart';
import 'package:flutter_tools/src/base/process.dart';
import 'package:flutter_tools/src/build_info.dart';
import 'package:flutter_tools/src/convert.dart';
import 'package:flutter_tools/src/custom_devices/custom_device.dart';
import 'package:flutter_tools/src/device.dart';
import 'package:flutter_tools/src/device_port_forwarder.dart';
import 'package:flutter_tools/src/globals.dart' as globals;
import 'package:flutter_tools/src/project.dart';
import 'package:flutter_tools/src/protocol_discovery.dart';
import 'package:process/process.dart';
import 'elinux_builder.dart';
import 'elinux_package.dart';
import 'elinux_remote_device_config.dart';
/// eLinux device implementation.
///
/// See: [DesktopDevice] in `desktop_device.dart`
class ELinuxDevice extends Device {
ELinuxDevice(
super.id, {
required ELinuxRemoteDeviceConfig? config,
required bool desktop,
required String backendType,
required String targetArch,
String sdkNameAndVersion = '',
required Logger logger,
required ProcessManager processManager,
required OperatingSystemUtils operatingSystemUtils,
}) : _config = config,
_desktop = desktop,
_backendType = backendType,
_targetArch = targetArch,
_sdkNameAndVersion = sdkNameAndVersion,
_logger = logger,
_processManager = processManager,
_processUtils =
ProcessUtils(processManager: processManager, logger: logger),
_operatingSystemUtils = operatingSystemUtils,
portForwarder = config != null && config.usesPortForwarding
? CustomDevicePortForwarder(
deviceName: config.label,
forwardPortCommand: config.forwardPortCommand!,
forwardPortSuccessRegex: config.forwardPortSuccessRegex!,
processManager: processManager,
logger: logger,
)
: const NoOpDevicePortForwarder(),
super(
category: desktop ? Category.desktop : Category.mobile,
platformType: PlatformType.custom,
ephemeral: true);
final ELinuxRemoteDeviceConfig? _config;
final bool _desktop;
final String _backendType;
final String _targetArch;
final String _sdkNameAndVersion;
final Logger _logger;
final ProcessManager _processManager;
final ProcessUtils _processUtils;
final OperatingSystemUtils _operatingSystemUtils;
final Set<Process> _runningProcesses = <Process>{};
final ELinuxLogReader _logReader = ELinuxLogReader();
int? _forwardedHostPort;
BuildMode _buildMode = BuildMode.debug;
@override
Future<bool> get isLocalEmulator async => false;
@override
Future<String?> get emulatorId async => null;
@override
Future<TargetPlatform> get targetPlatform async {
// Use tester as a platform identifer for eLinux.
// There's currently no other choice because getNameForTargetPlatform()
// throws an error for unknown platform types.
return TargetPlatform.tester;
}
@override
bool supportsRuntimeMode(BuildMode buildMode) {
_buildMode = buildMode;
return buildMode != BuildMode.jitRelease;
}
@override
Future<String> get sdkNameAndVersion async =>
_desktop ? _operatingSystemUtils.name : _sdkNameAndVersion;
@override
String get name => 'eLinux';
@override
Future<bool> isAppInstalled(covariant ELinuxApp app,
{String? userIdentifier}) async {
return false;
}
@override
Future<bool> isLatestBuildInstalled(covariant ELinuxApp app) async {
return false;
}
@override
Future<bool> installApp(covariant ELinuxApp app,
{String? userIdentifier}) async {
if (!await tryUninstall(appName: app.name!)) {
return false;
}
final String bundlePath = app.outputDirectory(_buildMode, _targetArch);
final bool result =
await tryInstall(localPath: bundlePath, appName: app.name!);
return result;
}
@override
Future<bool> uninstallApp(covariant ELinuxApp app,
{String? userIdentifier}) async {
return tryUninstall(appName: app.name!);
}
/// Source: [AndroidDevice.startApp] in `android_device.dart`
@override
Future<LaunchResult> startApp(
ELinuxApp package, {
String? mainPath,
String? route,
DebuggingOptions? debuggingOptions,
Map<String, Object?> platformArgs = const <String, Object>{},
bool prebuiltApplication = false,
bool ipv6 = false,
String? userIdentifier,
}) async {
if (!_desktop) {
if (!await installApp(package)) {
return LaunchResult.failed();
}
final List<String> interpolated = interpolateCommand(
_config!.runDebugCommand,
<String, String>{'remotePath': '/tmp/', 'appName': package.name!});
_logger.printStatus('Launch $package.name on ${_config!.id}');
final Process process = await _processManager.start(interpolated);
final ProtocolDiscovery discovery = ProtocolDiscovery.vmService(
_logReader,
portForwarder: _config!.usesPortForwarding ? portForwarder : null,
hostPort: debuggingOptions?.hostVmServicePort,
devicePort: debuggingOptions?.deviceVmServicePort,
logger: _logger,
ipv6: ipv6,
);
_logReader.initializeProcess(process);
final Uri? observatoryUri = await discovery.uri;
await discovery.cancel();
if (_config!.usesPortForwarding) {
_forwardedHostPort = observatoryUri!.port;
}
return LaunchResult.succeeded(observatoryUri: observatoryUri);
}
// Target is desktop hosts from here.
if (!prebuiltApplication) {
_logger.printTrace('Building app');
await buildForDevice(
package,
buildInfo: debuggingOptions!.buildInfo,
mainPath: mainPath,
);
}
// Ensure that the executable is locatable.
final BuildMode buildMode = debuggingOptions!.buildInfo.mode;
final bool traceStartup = platformArgs['trace-startup'] as bool? ?? false;
final String executable = executablePathForDevice(package, buildMode);
const String executableOptions = '--bundle=./';
//if (executable == null) {
// _logger.printError('Unable to find executable to run');
// return LaunchResult.failed();
//}
final String? elinuxCustomArgsEnv =
globals.platform.environment['FLUTTER_ELINUX_CUSTOM_RUN_ARGS'];
List<String> elinuxRunArgs = <String>[];
if (elinuxCustomArgsEnv != null) {
elinuxRunArgs.addAll(elinuxCustomArgsEnv.split(' '));
} else if (_desktop && _backendType == 'wayland') {
elinuxRunArgs.add('-d');
}
final Process process = await _processManager.start(
<String>[
executable,
executableOptions,
...elinuxRunArgs,
...debuggingOptions.dartEntrypointArgs,
],
environment: _computeEnvironment(debuggingOptions, traceStartup, route),
);
_runningProcesses.add(process);
unawaited(process.exitCode.then((_) => _runningProcesses.remove(process)));
_logReader.initializeProcess(process);
if (debuggingOptions.buildInfo.isRelease == true) {
return LaunchResult.succeeded();
}
final ProtocolDiscovery observatoryDiscovery = ProtocolDiscovery.vmService(
_logReader,
devicePort: debuggingOptions.deviceVmServicePort,
hostPort: debuggingOptions.hostVmServicePort,
ipv6: ipv6,
logger: _logger,
);
try {
final Uri? observatoryUri = await observatoryDiscovery.uri;
if (observatoryUri != null) {
onAttached(package, buildMode, process);
return LaunchResult.succeeded(observatoryUri: observatoryUri);
}
_logger.printError(
'Error waiting for a debug connection: '
'The log reader stopped unexpectedly.',
);
} on Exception catch (error) {
_logger.printError('Error waiting for a debug connection: $error');
} finally {
await observatoryDiscovery.cancel();
}
return LaunchResult.failed();
}
@override
Future<bool> stopApp(covariant ELinuxApp? app,
{String? userIdentifier}) async {
_maybeUnforwardPort();
bool succeeded = true;
// Walk a copy of _runningProcesses, since the exit handler removes from the
// set.
for (final Process process in Set<Process>.of(_runningProcesses)) {
succeeded &= _processManager.killPid(process.pid);
}
return succeeded;
}
@override
void clearLogs() {}
@override
FutureOr<DeviceLogReader> getLogReader({
covariant ELinuxApp? app,
bool includePastLogs = false,
}) =>
_logReader;
@override
final DevicePortForwarder portForwarder;
@override
bool isSupported() => true;
@override
bool get supportsScreenshot => false;
@override
bool isSupportedForProject(FlutterProject flutterProject) {
return flutterProject.isModule &&
flutterProject.directory.childDirectory('elinux').existsSync();
}
@override
Future<void> dispose() async {}
Future<void> buildForDevice(
ELinuxApp package, {
String? mainPath,
BuildInfo? buildInfo,
}) async {
final FlutterProject project = FlutterProject.current();
// TODO(hidenori): change the fixed values (|targetSysroot|, |systemIncludeDirectories| and |targetCompilerTriple|)
// to the values from user-specified custom-devices feilds.
final ELinuxBuildInfo eLinuxBuildInfo = ELinuxBuildInfo(
buildInfo!,
targetArch: _targetArch,
targetBackendType: _backendType,
targetCompilerTriple: null,
targetSysroot: '/',
targetCompilerFlags: null,
targetToolchain: null,
systemIncludeDirectories: null,
);
await ELinuxBuilder.buildBundle(
project: project,
targetFile: mainPath!,
eLinuxBuildInfo: eLinuxBuildInfo,
);
package = ELinuxApp.fromELinuxProject(project);
}
String executablePathForDevice(ELinuxApp package, BuildMode buildMode) {
return package.executable(buildMode, _targetArch);
}
void onAttached(ELinuxApp package, BuildMode buildMode, Process process) {}
/// Source: [DesktopDevice._computeEnvironment] in `desktop_device.dart`
Map<String, String> _computeEnvironment(
DebuggingOptions debuggingOptions, bool traceStartup, String? route) {
int flags = 0;
final Map<String, String> environment = <String, String>{};
void addFlag(String value) {
flags += 1;
environment['FLUTTER_ENGINE_SWITCH_$flags'] = value;
}
void finish() {
environment['FLUTTER_ENGINE_SWITCHES'] = flags.toString();
}
addFlag('enable-dart-profiling=true');
if (traceStartup) {
addFlag('trace-startup=true');
}
if (route != null) {
addFlag('route=$route');
}
if (debuggingOptions.enableSoftwareRendering) {
addFlag('enable-software-rendering=true');
}
if (debuggingOptions.skiaDeterministicRendering) {
addFlag('skia-deterministic-rendering=true');
}
if (debuggingOptions.traceSkia) {
addFlag('trace-skia=true');
}
if (debuggingOptions.traceAllowlist != null) {
addFlag('trace-allowlist=${debuggingOptions.traceAllowlist}');
}
if (debuggingOptions.traceSkiaAllowlist != null) {
addFlag('trace-skia-allowlist=${debuggingOptions.traceSkiaAllowlist}');
}
if (debuggingOptions.traceSystrace) {
addFlag('trace-systrace=true');
}
if (debuggingOptions.endlessTraceBuffer) {
addFlag('endless-trace-buffer=true');
}
if (debuggingOptions.dumpSkpOnShaderCompilation) {
addFlag('dump-skp-on-shader-compilation=true');
}
if (debuggingOptions.cacheSkSL) {
addFlag('cache-sksl=true');
}
if (debuggingOptions.purgePersistentCache) {
addFlag('purge-persistent-cache=true');
}
// Options only supported when there is a VM Service connection between the
// tool and the device, usually in debug or profile mode.
if (debuggingOptions.debuggingEnabled) {
if (debuggingOptions.deviceVmServicePort != null) {
addFlag('observatory-port=${debuggingOptions.deviceVmServicePort}');
}
if (debuggingOptions.buildInfo.isDebug) {
addFlag('enable-checked-mode=true');
addFlag('verify-entry-points=true');
}
if (debuggingOptions.startPaused) {
addFlag('start-paused=true');
}
if (debuggingOptions.disableServiceAuthCodes) {
addFlag('disable-service-auth-codes=true');
}
final String dartVmFlags = computeDartVmFlags(debuggingOptions);
if (dartVmFlags.isNotEmpty) {
addFlag('dart-flags=$dartVmFlags');
}
if (debuggingOptions.useTestFonts) {
addFlag('use-test-fonts=true');
}
if (debuggingOptions.verboseSystemLogs) {
addFlag('verbose-logging=true');
}
}
finish();
return environment;
}
/// Source: [tryUninstall] in `custom_device.dart`
Future<bool> tryUninstall(
{required String appName,
Duration? timeout,
Map<String, String> additionalReplacementValues =
const <String, String>{}}) async {
if (_config == null || _config!.uninstallCommand.isEmpty) {
// do nothing if uninstall command is not defined.
_logger.printTrace('uninstall command is not defined.');
return true;
}
final List<String> interpolated = interpolateCommand(
_config!.uninstallCommand, <String, String>{'appName': appName},
additionalReplacementValues: additionalReplacementValues);
try {
_logger.printStatus('Uninstall $appName from ${_config!.id}.');
await _processUtils.run(interpolated,
throwOnError: true, timeout: timeout);
_logger.printStatus('Uninstallation Success');
return true;
} on ProcessException catch (e) {
_logger.printError(
'Error executing uninstall command for custom device $id: $e');
return false;
}
}
/// Source: [tryInstall] in `custom_device.dart`
Future<bool> tryInstall(
{required String localPath,
required String appName,
Duration? timeout,
Map<String, String> additionalReplacementValues =
const <String, String>{}}) async {
final List<String> interpolated = interpolateCommand(
_config!.installCommand,
<String, String>{'localPath': localPath, 'appName': appName},
additionalReplacementValues: additionalReplacementValues);
try {
_logger.printStatus('Install $appName ($localPath) to ${_config!.id}');
await _processUtils.run(interpolated,
throwOnError: true, timeout: timeout);
_logger.printStatus('Installation Success');
return true;
} on ProcessException catch (e) {
_logger.printError(
'Error executing install command for custom device $id: $e');
return false;
}
}
/// Source: [_maybeUnforwardPort] in `custom_device.dart`
void _maybeUnforwardPort() {
if (_forwardedHostPort != null) {
final ForwardedPort forwardedPort = portForwarder.forwardedPorts
.singleWhere((ForwardedPort forwardedPort) {
return forwardedPort.hostPort == _forwardedHostPort;
});
_forwardedHostPort = null;
portForwarder.unforward(forwardedPort);
}
}
}
class ELinuxLogReader extends DeviceLogReader {
final StreamController<List<int>> _inputController =
StreamController<List<int>>.broadcast();
void initializeProcess(Process process) {
process.stdout.listen(_inputController.add);
process.stderr.listen(_inputController.add);
process.exitCode.whenComplete(_inputController.close);
}
@override
Stream<String> get logLines {
return _inputController.stream
.transform(utf8.decoder)
.transform(const LineSplitter());
}
@override
String get name => 'eLinux';
@override
void dispose() {}
}