| // 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:convert'; |
| import 'dart:io'; |
| |
| import 'package:flutter_tools/src/base/common.dart'; |
| |
| late Process daemon; |
| |
| // To use, start from the console and enter: |
| // version: print version |
| // shutdown: terminate the server |
| // start: start an app |
| // stop: stop a running app |
| // devices: list devices |
| // emulators: list emulators |
| // launch: launch an emulator |
| |
| Future<void> main() async { |
| daemon = await Process.start('dart', <String>['bin/flutter_tools.dart', 'daemon']); |
| print('daemon process started, pid: ${daemon.pid}'); |
| |
| daemon.stdout |
| .transform<String>(utf8.decoder) |
| .transform<String>(const LineSplitter()) |
| .listen((String line) => print('<== $line')); |
| daemon.stderr.listen(stderr.add); |
| |
| stdout.write('> '); |
| stdin.transform<String>(utf8.decoder).transform<String>(const LineSplitter()).listen((String line) { |
| final List<String> words = line.split(' '); |
| |
| if (line == 'version' || line == 'v') { |
| _send(<String, dynamic>{'method': 'daemon.version'}); |
| } else if (line == 'shutdown' || line == 'q') { |
| _send(<String, dynamic>{'method': 'daemon.shutdown'}); |
| } else if (words.first == 'start') { |
| _send(<String, dynamic>{ |
| 'method': 'app.start', |
| 'params': <String, dynamic>{ |
| 'deviceId': words[1], |
| 'projectDirectory': words[2], |
| 'launchMode': words[3], |
| }, |
| }); |
| } else if (words.first == 'stop') { |
| if (words.length > 1) { |
| _send(<String, dynamic>{ |
| 'method': 'app.stop', |
| 'params': <String, dynamic>{'appId': words[1]}, |
| }); |
| } else { |
| _send(<String, dynamic>{'method': 'app.stop'}); |
| } |
| } else if (words.first == 'restart') { |
| if (words.length > 1) { |
| _send(<String, dynamic>{ |
| 'method': 'app.restart', |
| 'params': <String, dynamic>{'appId': words[1]}, |
| }); |
| } else { |
| _send(<String, dynamic>{'method': 'app.restart'}); |
| } |
| } else if (line == 'devices') { |
| _send(<String, dynamic>{'method': 'device.getDevices'}); |
| } else if (line == 'emulators') { |
| _send(<String, dynamic>{'method': 'emulator.getEmulators'}); |
| } else if (words.first == 'emulator-launch') { |
| _send(<String, dynamic>{ |
| 'method': 'emulator.launch', |
| 'params': <String, dynamic>{ |
| 'emulatorId': words[1], |
| }, |
| }); |
| } else if (line == 'enable') { |
| _send(<String, dynamic>{'method': 'device.enable'}); |
| } else { |
| _send(<String, dynamic>{'method': line.trim()}); |
| } |
| stdout.write('> '); |
| }); |
| |
| // Print in the callback can't fail. |
| unawaited(daemon.exitCode.then<int>((int code) { |
| print('daemon exiting ($code)'); |
| exit(code); |
| })); |
| } |
| |
| int id = 0; |
| |
| void _send(Map<String, dynamic> map) { |
| map['id'] = id++; |
| final String str = '[${json.encode(map)}]'; |
| daemon.stdin.writeln(str); |
| print('==> $str'); |
| } |