1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "net/http/http_network_layer.h" 6 7 #include "base/logging.h" 8 #include "base/power_monitor/power_monitor.h" 9 #include "base/strings/string_number_conversions.h" 10 #include "base/strings/string_split.h" 11 #include "base/strings/string_util.h" 12 #include "net/http/http_network_session.h" 13 #include "net/http/http_network_transaction.h" 14 #include "net/http/http_server_properties_impl.h" 15 #include "net/http/http_stream_factory_impl_job.h" 16 #include "net/spdy/spdy_framer.h" 17 #include "net/spdy/spdy_session.h" 18 #include "net/spdy/spdy_session_pool.h" 19 20 namespace net { 21 22 //----------------------------------------------------------------------------- 23 HttpNetworkLayer::HttpNetworkLayer(HttpNetworkSession* session) 24 : session_(session), 25 suspended_(false) { 26 DCHECK(session_.get()); 27 #if defined(OS_WIN) 28 base::PowerMonitor* power_monitor = base::PowerMonitor::Get(); 29 if (power_monitor) 30 power_monitor->AddObserver(this); 31 #endif 32 } 33 34 HttpNetworkLayer::~HttpNetworkLayer() { 35 #if defined(OS_WIN) 36 base::PowerMonitor* power_monitor = base::PowerMonitor::Get(); 37 if (power_monitor) 38 power_monitor->RemoveObserver(this); 39 #endif 40 } 41 42 //----------------------------------------------------------------------------- 43 44 // static 45 HttpTransactionFactory* HttpNetworkLayer::CreateFactory( 46 HttpNetworkSession* session) { 47 DCHECK(session); 48 49 return new HttpNetworkLayer(session); 50 } 51 52 // static 53 void HttpNetworkLayer::ForceAlternateProtocol() { 54 PortAlternateProtocolPair pair; 55 pair.port = 443; 56 pair.protocol = NPN_SPDY_3; 57 HttpServerPropertiesImpl::ForceAlternateProtocol(pair); 58 } 59 60 //----------------------------------------------------------------------------- 61 62 int HttpNetworkLayer::CreateTransaction(RequestPriority priority, 63 scoped_ptr<HttpTransaction>* trans) { 64 if (suspended_) 65 return ERR_NETWORK_IO_SUSPENDED; 66 67 trans->reset(new HttpNetworkTransaction(priority, GetSession())); 68 return OK; 69 } 70 71 HttpCache* HttpNetworkLayer::GetCache() { 72 return NULL; 73 } 74 75 HttpNetworkSession* HttpNetworkLayer::GetSession() { return session_.get(); } 76 77 void HttpNetworkLayer::OnSuspend() { 78 suspended_ = true; 79 80 if (session_.get()) 81 session_->CloseIdleConnections(); 82 } 83 84 void HttpNetworkLayer::OnResume() { 85 suspended_ = false; 86 } 87 88 } // namespace net 89