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 //----------------------------------------------------------------------------- HttpNetworkLayer(HttpNetworkSession * session)23HttpNetworkLayer::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 ~HttpNetworkLayer()34HttpNetworkLayer::~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 CreateFactory(HttpNetworkSession * session)45HttpTransactionFactory* HttpNetworkLayer::CreateFactory( 46 HttpNetworkSession* session) { 47 DCHECK(session); 48 49 return new HttpNetworkLayer(session); 50 } 51 52 // static ForceAlternateProtocol()53void HttpNetworkLayer::ForceAlternateProtocol() { 54 PortAlternateProtocolPair pair; 55 pair.port = 443; 56 pair.protocol = NPN_SPDY_3; 57 HttpServerPropertiesImpl::ForceAlternateProtocol(pair); 58 } 59 60 //----------------------------------------------------------------------------- 61 CreateTransaction(RequestPriority priority,scoped_ptr<HttpTransaction> * trans,HttpTransactionDelegate * delegate)62int HttpNetworkLayer::CreateTransaction(RequestPriority priority, 63 scoped_ptr<HttpTransaction>* trans, 64 HttpTransactionDelegate* delegate) { 65 if (suspended_) 66 return ERR_NETWORK_IO_SUSPENDED; 67 68 trans->reset(new HttpNetworkTransaction(priority, GetSession())); 69 return OK; 70 } 71 GetCache()72HttpCache* HttpNetworkLayer::GetCache() { 73 return NULL; 74 } 75 GetSession()76HttpNetworkSession* HttpNetworkLayer::GetSession() { return session_.get(); } 77 OnSuspend()78void HttpNetworkLayer::OnSuspend() { 79 suspended_ = true; 80 81 if (session_.get()) 82 session_->CloseIdleConnections(); 83 } 84 OnResume()85void HttpNetworkLayer::OnResume() { 86 suspended_ = false; 87 } 88 89 } // namespace net 90