Revert of Delete unused code httprequest, httpclient, and socketpool.

webrtc/base/httprequest.cc

+/*
+ *  Copyright 2006 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "webrtc/base/httprequest.h"
+
+#include "webrtc/base/common.h"
+#include "webrtc/base/firewallsocketserver.h"
+#include "webrtc/base/httpclient.h"
+#include "webrtc/base/logging.h"
+#include "webrtc/base/physicalsocketserver.h"
+#include "webrtc/base/socketadapters.h"
+#include "webrtc/base/socketpool.h"
+#include "webrtc/base/ssladapter.h"
+
+using namespace rtc;
+
+///////////////////////////////////////////////////////////////////////////////
+// HttpMonitor
+///////////////////////////////////////////////////////////////////////////////
+
+HttpMonitor::HttpMonitor(SocketServer *ss) {
+  ASSERT(Thread::Current() != NULL);
+  ss_ = ss;
+  reset();
+}
+
+void HttpMonitor::Connect(HttpClient *http) {
+  http->SignalHttpClientComplete.connect(this,
+    &HttpMonitor::OnHttpClientComplete);
+}
+
+void HttpMonitor::OnHttpClientComplete(HttpClient * http, HttpErrorType error) {
+  complete_ = true;
+  error_ = error;
+  ss_->WakeUp();
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// HttpRequest
+///////////////////////////////////////////////////////////////////////////////
+
+const int kDefaultHTTPTimeout = 30 * 1000; // 30 sec
+
+HttpRequest::HttpRequest(const std::string& user_agent)
+    : firewall_(0),
+      port_(80),
+      secure_(false),
+      timeout_(kDefaultHTTPTimeout),
+      client_(user_agent.c_str(), NULL),
+      error_(HE_NONE) {}
+
+HttpRequest::~HttpRequest() = default;
+
+void HttpRequest::Send() {
+  // TODO: Rewrite this to use the thread's native socket server, and a more
+  // natural flow?
+
+  PhysicalSocketServer physical;
+  SocketServer * ss = &physical;
+  if (firewall_) {
+    ss = new FirewallSocketServer(ss, firewall_);
+  }
+
+  SslSocketFactory factory(ss, client_.agent());
+  factory.SetProxy(proxy_);
+  if (secure_)
+    factory.UseSSL(host_.c_str());
+
+  //factory.SetLogging("HttpRequest");
+
+  ReuseSocketPool pool(&factory);
+  client_.set_pool(&pool);
+
+  bool transparent_proxy = (port_ == 80) && ((proxy_.type == PROXY_HTTPS) ||
+                           (proxy_.type == PROXY_UNKNOWN));
+
+  if (transparent_proxy) {
+    client_.set_proxy(proxy_);
+  }
+  client_.set_redirect_action(HttpClient::REDIRECT_ALWAYS);
+
+  SocketAddress server(host_, port_);
+  client_.set_server(server);
+
+  LOG(LS_INFO) << "HttpRequest start: " << host_ + client_.request().path;
+
+  HttpMonitor monitor(ss);
+  monitor.Connect(&client_);
+  client_.start();
+  ss->Wait(timeout_, true);
+  if (!monitor.done()) {
+    LOG(LS_INFO) << "HttpRequest request timed out";
+    client_.reset();
+    return;
+  }
+
+  set_error(monitor.error());
+  if (error_) {
+    LOG(LS_INFO) << "HttpRequest request error: " << error_;
+    return;
+  }
+
+  std::string value;
+  if (client_.response().hasHeader(HH_LOCATION, &value)) {
+    response_redirect_ = value.c_str();
+  }
+}