292 lines
9.5 KiB
Dart

// Copyright 2015 The Chromium 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 '../base/common.dart';
import '../base/file_system.dart';
import '../base/io.dart';
import '../base/utils.dart';
import '../build_info.dart';
import '../cache.dart';
import '../device.dart';
import '../globals.dart';
import '../ios/mac.dart';
import '../resident_runner.dart';
import '../run_cold.dart';
import '../run_hot.dart';
import '../runner/flutter_command.dart';
import 'daemon.dart';
abstract class RunCommandBase extends FlutterCommand {
// Used by run and drive commands.
RunCommandBase() {
addBuildModeFlags(defaultToRelease: false);
argParser.addFlag('trace-startup',
negatable: true,
defaultsTo: false,
help: 'Start tracing during startup.');
argParser.addOption('route',
help: 'Which route to load when running the app.');
usesTargetOption();
usesPortOptions();
usesPubOption();
}
bool get traceStartup => argResults['trace-startup'];
String get route => argResults['route'];
void usesPortOptions() {
argParser.addOption('observatory-port',
help: 'Listen to the given port for an observatory debugger connection.\n'
'Specifying port 0 will find a random free port.\n'
'Defaults to the first available port after $kDefaultObservatoryPort.'
);
argParser.addOption('diagnostic-port',
help: 'Listen to the given port for a diagnostic connection.\n'
'Specifying port 0 will find a random free port.\n'
'Defaults to the first available port after $kDefaultDiagnosticPort.'
);
}
int get observatoryPort {
if (argResults['observatory-port'] != null) {
try {
return int.parse(argResults['observatory-port']);
} catch (error) {
throwToolExit('Invalid port for `--observatory-port`: $error');
}
}
return null;
}
int get diagnosticPort {
if (argResults['diagnostic-port'] != null) {
try {
return int.parse(argResults['diagnostic-port']);
} catch (error) {
throwToolExit('Invalid port for `--diagnostic-port`: $error');
}
}
return null;
}
}
class RunCommand extends RunCommandBase {
@override
final String name = 'run';
@override
final String description = 'Run your Flutter app on an attached device.';
RunCommand({ bool verboseHelp: false }) {
argParser.addFlag('full-restart',
defaultsTo: true,
help: 'Stop any currently running application process before running the app.');
argParser.addFlag('start-paused',
defaultsTo: false,
negatable: false,
help: 'Start in a paused mode and wait for a debugger to connect.');
argParser.addFlag('build',
defaultsTo: true,
help: 'If necessary, build the app before running.');
argParser.addOption('use-application-binary',
hide: !verboseHelp,
help: 'Specify a pre-built application binary to use when running.');
argParser.addOption('kernel',
hide: !verboseHelp,
help: 'Path to a pre-built kernel blob to use when running.\n'
'This option only exists for testing new kernel code execution on devices\n'
'and is not needed during normal application development.');
argParser.addOption('snapshotter',
hide: !verboseHelp,
help: 'Specify the path to the sky_snapshot binary.');
argParser.addOption('packages',
hide: !verboseHelp,
help: 'Specify the path to the .packages file.');
argParser.addOption('project-root',
hide: !verboseHelp,
help: 'Specify the project root directory.');
argParser.addOption('project-assets',
hide: !verboseHelp,
help: 'Specify the project assets relative to the root directory.');
argParser.addFlag('machine',
hide: !verboseHelp,
help: 'Handle machine structured JSON command input\n'
'and provide output and progress in machine friendly format.');
argParser.addFlag('hot',
negatable: true,
defaultsTo: kHotReloadDefault,
help: 'Run with support for hot reloading.');
argParser.addOption('pid-file',
help: 'Specify a file to write the process id to.\n'
'You can send SIGUSR1 to trigger a hot reload\n'
'and SIGUSR2 to trigger a full restart.');
argParser.addFlag('resident',
negatable: true,
defaultsTo: true,
hide: !verboseHelp,
help: 'Stay resident after launching the application.');
// Hidden option to enable a benchmarking mode. This will run the given
// application, measure the startup time and the app restart time, write the
// results out to 'refresh_benchmark.json', and exit. This flag is intended
// for use in generating automated flutter benchmarks.
argParser.addFlag('benchmark', negatable: false, hide: !verboseHelp);
commandValidator = () {
if (!runningWithPrebuiltApplication)
commonCommandValidator();
// When running with a prebuilt application, no command validation is
// necessary.
};
}
Device device;
@override
String get usagePath {
String command = shouldUseHotMode() ? 'hotrun' : name;
if (device == null)
return command;
// Return 'run/ios'.
return '$command/${getNameForTargetPlatform(device.platform)}';
}
@override
void printNoConnectedDevices() {
super.printNoConnectedDevices();
if (getCurrentHostPlatform() == HostPlatform.darwin_x64 &&
Xcode.instance.isInstalledAndMeetsVersionCheck) {
printStatus('');
printStatus('To run on a simulator, launch it first: open -a Simulator.app');
printStatus('');
printStatus('If you expected your device to be detected, please run "flutter doctor" to diagnose');
printStatus('potential issues, or visit https://flutter.io/setup/ for troubleshooting tips.');
}
}
@override
bool get shouldRunPub {
// If we are running with a prebuilt application, do not run pub.
if (runningWithPrebuiltApplication)
return false;
return super.shouldRunPub;
}
bool shouldUseHotMode() {
bool hotArg = argResults['hot'] ?? false;
final bool shouldUseHotMode = hotArg;
return (getBuildMode() == BuildMode.debug) && shouldUseHotMode;
}
bool get runningWithPrebuiltApplication =>
argResults['use-application-binary'] != null;
bool get stayResident => argResults['resident'];
@override
Future<Null> verifyThenRunCommand() async {
commandValidator();
device = await findTargetDevice();
if (device == null)
throwToolExit(null);
return super.verifyThenRunCommand();
}
@override
Future<Null> runCommand() async {
Cache.releaseLockEarly();
// Enable hot mode by default if `--no-hot` was not passed and we are in
// debug mode.
final bool hotMode = shouldUseHotMode();
if (argResults['machine']) {
Daemon daemon = new Daemon(stdinCommandStream, stdoutCommandResponse,
notifyingLogger: new NotifyingLogger(), logToStdout: true);
AppInstance app;
try {
app = daemon.appDomain.startApp(
device, fs.currentDirectory.path, targetFile, route,
getBuildMode(), argResults['start-paused'], hotMode,
applicationBinary: argResults['use-application-binary'],
projectRootPath: argResults['project-root'],
packagesFilePath: argResults['packages'],
projectAssets: argResults['project-assets']);
} catch (error) {
throwToolExit(error.toString());
}
int result = await app.runner.waitForAppToFinish();
if (result != 0)
throwToolExit(null, exitCode: result);
return null;
}
if (device.isLocalEmulator && !isEmulatorBuildMode(getBuildMode()))
throwToolExit('${toTitleCase(getModeName(getBuildMode()))} mode is not supported for emulators.');
DebuggingOptions options;
if (getBuildMode() == BuildMode.release) {
options = new DebuggingOptions.disabled(getBuildMode());
} else {
options = new DebuggingOptions.enabled(
getBuildMode(),
startPaused: argResults['start-paused'],
observatoryPort: observatoryPort,
diagnosticPort: diagnosticPort,
);
}
if (hotMode) {
if (!device.supportsHotMode)
throwToolExit('Hot mode is not supported by this device. Run with --no-hot.');
}
String pidFile = argResults['pid-file'];
if (pidFile != null) {
// Write our pid to the file.
fs.file(pidFile).writeAsStringSync(pid.toString());
}
ResidentRunner runner;
if (hotMode) {
runner = new HotRunner(
device,
target: targetFile,
debuggingOptions: options,
benchmarkMode: argResults['benchmark'],
applicationBinary: argResults['use-application-binary'],
kernelFilePath: argResults['kernel'],
projectRootPath: argResults['project-root'],
packagesFilePath: argResults['packages'],
projectAssets: argResults['project-assets'],
stayResident: stayResident,
);
} else {
runner = new ColdRunner(
device,
target: targetFile,
debuggingOptions: options,
traceStartup: traceStartup,
applicationBinary: argResults['use-application-binary'],
stayResident: stayResident,
);
}
int result = await runner.run(
route: route,
shouldBuild: !runningWithPrebuiltApplication && argResults['build'],
);
if (result != 0)
throwToolExit(null, exitCode: result);
}
}