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56 lines
1.6 KiB
Dart
56 lines
1.6 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'dart:async';
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import 'package:dds/dds.dart' as dds;
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import 'package:meta/meta.dart';
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import 'io.dart' as io;
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import 'logger.dart';
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/// Helper class to launch a [dds.DartDevelopmentService]. Allows for us to
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/// mock out this functionality for testing purposes.
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class DartDevelopmentService {
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DartDevelopmentService({@required this.logger});
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final Logger logger;
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dds.DartDevelopmentService _ddsInstance;
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Uri get uri => _ddsInstance.uri;
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Future<void> startDartDevelopmentService(
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Uri observatoryUri,
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int hostPort,
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bool ipv6,
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bool disableServiceAuthCodes,
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) async {
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final Uri ddsUri = Uri(
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scheme: 'http',
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host: (ipv6 ?
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io.InternetAddress.loopbackIPv6 :
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io.InternetAddress.loopbackIPv4
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).host,
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port: hostPort ?? 0,
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);
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logger.printTrace(
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'Launching a Dart Developer Service (DDS) instance at $ddsUri, '
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'connecting to VM service at $observatoryUri.',
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);
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try {
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_ddsInstance = await dds.DartDevelopmentService.startDartDevelopmentService(
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observatoryUri,
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serviceUri: ddsUri,
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enableAuthCodes: !disableServiceAuthCodes,
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);
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logger.printTrace('DDS is listening at ${_ddsInstance.uri}.');
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} on dds.DartDevelopmentServiceException catch (e) {
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logger.printError('Warning: Failed to start DDS: ${e.message}');
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rethrow;
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}
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}
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Future<void> shutdown() async => await _ddsInstance?.shutdown();
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}
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