28e2075280
trunk/talk git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
134 lines
4.3 KiB
C++
134 lines
4.3 KiB
C++
/*
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* libjingle
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* Copyright 2004--2010, Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "talk/base/asynchttprequest.h"
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namespace talk_base {
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enum {
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MSG_TIMEOUT = SignalThread::ST_MSG_FIRST_AVAILABLE,
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MSG_LAUNCH_REQUEST
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};
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static const int kDefaultHTTPTimeout = 30 * 1000; // 30 sec
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///////////////////////////////////////////////////////////////////////////////
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// AsyncHttpRequest
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///////////////////////////////////////////////////////////////////////////////
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AsyncHttpRequest::AsyncHttpRequest(const std::string &user_agent)
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: start_delay_(0),
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firewall_(NULL),
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port_(80),
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secure_(false),
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timeout_(kDefaultHTTPTimeout),
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fail_redirect_(false),
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factory_(Thread::Current()->socketserver(), user_agent),
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pool_(&factory_),
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client_(user_agent.c_str(), &pool_),
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error_(HE_NONE) {
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client_.SignalHttpClientComplete.connect(this,
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&AsyncHttpRequest::OnComplete);
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}
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AsyncHttpRequest::~AsyncHttpRequest() {
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}
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void AsyncHttpRequest::OnWorkStart() {
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if (start_delay_ <= 0) {
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LaunchRequest();
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} else {
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Thread::Current()->PostDelayed(start_delay_, this, MSG_LAUNCH_REQUEST);
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}
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}
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void AsyncHttpRequest::OnWorkStop() {
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// worker is already quitting, no need to explicitly quit
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LOG(LS_INFO) << "HttpRequest cancelled";
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}
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void AsyncHttpRequest::OnComplete(HttpClient* client, HttpErrorType error) {
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Thread::Current()->Clear(this, MSG_TIMEOUT);
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set_error(error);
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if (!error) {
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LOG(LS_INFO) << "HttpRequest completed successfully";
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std::string value;
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if (client_.response().hasHeader(HH_LOCATION, &value)) {
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response_redirect_ = value.c_str();
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}
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} else {
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LOG(LS_INFO) << "HttpRequest completed with error: " << error;
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}
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worker()->Quit();
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}
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void AsyncHttpRequest::OnMessage(Message* message) {
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switch (message->message_id) {
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case MSG_TIMEOUT:
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LOG(LS_INFO) << "HttpRequest timed out";
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client_.reset();
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worker()->Quit();
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break;
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case MSG_LAUNCH_REQUEST:
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LaunchRequest();
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break;
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default:
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SignalThread::OnMessage(message);
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break;
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}
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}
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void AsyncHttpRequest::DoWork() {
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// Do nothing while we wait for the request to finish. We only do this so
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// that we can be a SignalThread; in the future this class should not be
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// a SignalThread, since it does not need to spawn a new thread.
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Thread::Current()->ProcessMessages(kForever);
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}
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void AsyncHttpRequest::LaunchRequest() {
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factory_.SetProxy(proxy_);
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if (secure_)
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factory_.UseSSL(host_.c_str());
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bool transparent_proxy = (port_ == 80) &&
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((proxy_.type == PROXY_HTTPS) || (proxy_.type == PROXY_UNKNOWN));
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if (transparent_proxy) {
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client_.set_proxy(proxy_);
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}
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client_.set_fail_redirect(fail_redirect_);
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client_.set_server(SocketAddress(host_, port_));
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LOG(LS_INFO) << "HttpRequest start: " << host_ + client_.request().path;
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Thread::Current()->PostDelayed(timeout_, this, MSG_TIMEOUT);
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client_.start();
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}
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} // namespace talk_base
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