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| 1 #!mojo mojo:dart_content_handler |
| 2 |
| 3 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 4 // Use of this source code is governed by a BSD-style license that can be |
| 5 // found in the LICENSE file. |
| 6 |
| 7 import 'dart:async'; |
| 8 import 'dart:mojo_application'; |
| 9 import 'dart:mojo_bindings'; |
| 10 import 'dart:mojo_core'; |
| 11 import 'dart:typed_data'; |
| 12 |
| 13 import 'package:mojo/services/network/public/interfaces/network_service.mojom.da
rt'; |
| 14 import 'package:mojo/services/network/public/interfaces/url_loader.mojom.dart'; |
| 15 |
| 16 class WGet extends Application { |
| 17 NetworkServiceClient _networkServiceClient; |
| 18 UrlLoaderClient _urlLoaderClient; |
| 19 |
| 20 WGet.fromHandle(MojoHandle shellHandle) : super.fromHandle(shellHandle); |
| 21 |
| 22 void initialize(List<String> args) { |
| 23 run(args); |
| 24 } |
| 25 |
| 26 run(List<String> args) async { |
| 27 if (args.length != 2) { |
| 28 throw "Expected URL argument"; |
| 29 } |
| 30 |
| 31 ByteData bodyData = await _getUrl(args[1]); |
| 32 print("read ${bodyData.lengthInBytes} bytes"); |
| 33 |
| 34 _closeClients(); |
| 35 close(); |
| 36 } |
| 37 |
| 38 Future<ByteData> _getUrl(String url) async { |
| 39 _initClientsIfNeeded(); |
| 40 |
| 41 var urlRequest = new UrlRequest() |
| 42 ..url = url |
| 43 ..autoFollowRedirects = true; |
| 44 |
| 45 var urlResponse = await _urlLoaderClient.callStart(urlRequest); |
| 46 print("url => ${urlResponse.response.url}"); |
| 47 print("status_line => ${urlResponse.response.statusLine}"); |
| 48 print("mime_type => ${urlResponse.response.mimeType}"); |
| 49 |
| 50 return DataPipeDrainer.drainHandle(urlResponse.response.body); |
| 51 } |
| 52 |
| 53 void _initClientsIfNeeded() { |
| 54 if (_networkServiceClient == null) { |
| 55 var networkServiceClientEndpoint = connectToService( |
| 56 "mojo:network_service", NetworkServiceInterface.name); |
| 57 _networkServiceClient = |
| 58 new NetworkServiceClient(networkServiceClientEndpoint); |
| 59 } |
| 60 if (_urlLoaderClient == null) { |
| 61 _urlLoaderClient = new UrlLoaderClient.unbound(); |
| 62 _networkServiceClient.callCreateUrlLoader(_urlLoaderClient); |
| 63 } |
| 64 } |
| 65 |
| 66 void _closeClients() { |
| 67 _urlLoaderClient.close(); |
| 68 _networkServiceClient.close(); |
| 69 _urlLoaderClient = null; |
| 70 _networkServiceClient = null; |
| 71 } |
| 72 } |
| 73 |
| 74 main(List args) { |
| 75 MojoHandle shellHandle = new MojoHandle(args[0]); |
| 76 String url = args[1]; |
| 77 var wget = new WGet.fromHandle(shellHandle); |
| 78 wget.listen(); |
| 79 } |
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