henrike@webrtc.org | f7795df | 2014-05-13 18:00:26 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2004 The WebRTC Project Authors. All rights reserved. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license |
| 5 | * that can be found in the LICENSE file in the root of the source |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
| 9 | */ |
| 10 | |
| 11 | #include "webrtc/base/asynchttprequest.h" |
| 12 | |
| 13 | namespace rtc { |
| 14 | |
| 15 | enum { |
| 16 | MSG_TIMEOUT = SignalThread::ST_MSG_FIRST_AVAILABLE, |
| 17 | MSG_LAUNCH_REQUEST |
| 18 | }; |
| 19 | static const int kDefaultHTTPTimeout = 30 * 1000; // 30 sec |
| 20 | |
| 21 | /////////////////////////////////////////////////////////////////////////////// |
| 22 | // AsyncHttpRequest |
| 23 | /////////////////////////////////////////////////////////////////////////////// |
| 24 | |
| 25 | AsyncHttpRequest::AsyncHttpRequest(const std::string &user_agent) |
| 26 | : start_delay_(0), |
| 27 | firewall_(NULL), |
| 28 | port_(80), |
| 29 | secure_(false), |
| 30 | timeout_(kDefaultHTTPTimeout), |
| 31 | fail_redirect_(false), |
| 32 | factory_(Thread::Current()->socketserver(), user_agent), |
| 33 | pool_(&factory_), |
| 34 | client_(user_agent.c_str(), &pool_), |
| 35 | error_(HE_NONE) { |
| 36 | client_.SignalHttpClientComplete.connect(this, |
| 37 | &AsyncHttpRequest::OnComplete); |
| 38 | } |
| 39 | |
| 40 | AsyncHttpRequest::~AsyncHttpRequest() { |
| 41 | } |
| 42 | |
| 43 | void AsyncHttpRequest::OnWorkStart() { |
| 44 | if (start_delay_ <= 0) { |
| 45 | LaunchRequest(); |
| 46 | } else { |
| 47 | Thread::Current()->PostDelayed(start_delay_, this, MSG_LAUNCH_REQUEST); |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | void AsyncHttpRequest::OnWorkStop() { |
| 52 | // worker is already quitting, no need to explicitly quit |
| 53 | LOG(LS_INFO) << "HttpRequest cancelled"; |
| 54 | } |
| 55 | |
| 56 | void AsyncHttpRequest::OnComplete(HttpClient* client, HttpErrorType error) { |
| 57 | Thread::Current()->Clear(this, MSG_TIMEOUT); |
| 58 | |
| 59 | set_error(error); |
| 60 | if (!error) { |
| 61 | LOG(LS_INFO) << "HttpRequest completed successfully"; |
| 62 | |
| 63 | std::string value; |
| 64 | if (client_.response().hasHeader(HH_LOCATION, &value)) { |
| 65 | response_redirect_ = value.c_str(); |
| 66 | } |
| 67 | } else { |
| 68 | LOG(LS_INFO) << "HttpRequest completed with error: " << error; |
| 69 | } |
| 70 | |
| 71 | worker()->Quit(); |
| 72 | } |
| 73 | |
| 74 | void AsyncHttpRequest::OnMessage(Message* message) { |
| 75 | switch (message->message_id) { |
| 76 | case MSG_TIMEOUT: |
| 77 | LOG(LS_INFO) << "HttpRequest timed out"; |
| 78 | client_.reset(); |
| 79 | worker()->Quit(); |
| 80 | break; |
| 81 | case MSG_LAUNCH_REQUEST: |
| 82 | LaunchRequest(); |
| 83 | break; |
| 84 | default: |
| 85 | SignalThread::OnMessage(message); |
| 86 | break; |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | void AsyncHttpRequest::DoWork() { |
| 91 | // Do nothing while we wait for the request to finish. We only do this so |
| 92 | // that we can be a SignalThread; in the future this class should not be |
| 93 | // a SignalThread, since it does not need to spawn a new thread. |
| 94 | Thread::Current()->ProcessMessages(kForever); |
| 95 | } |
| 96 | |
| 97 | void AsyncHttpRequest::LaunchRequest() { |
| 98 | factory_.SetProxy(proxy_); |
| 99 | if (secure_) |
| 100 | factory_.UseSSL(host_.c_str()); |
| 101 | |
| 102 | bool transparent_proxy = (port_ == 80) && |
| 103 | ((proxy_.type == PROXY_HTTPS) || (proxy_.type == PROXY_UNKNOWN)); |
| 104 | if (transparent_proxy) { |
| 105 | client_.set_proxy(proxy_); |
| 106 | } |
| 107 | client_.set_fail_redirect(fail_redirect_); |
| 108 | client_.set_server(SocketAddress(host_, port_)); |
| 109 | |
| 110 | LOG(LS_INFO) << "HttpRequest start: " << host_ + client_.request().path; |
| 111 | |
| 112 | Thread::Current()->PostDelayed(timeout_, this, MSG_TIMEOUT); |
| 113 | client_.start(); |
| 114 | } |
| 115 | |
| 116 | } // namespace rtc |