net/http/http_network_layer.cc

   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::HttpNetworkLayer(HttpNetworkSession* session)
  23     : session_(session),
  24       suspended_(false) {
  25   DCHECK(session_.get());
  26 #if defined(OS_WIN)
  27  base::PowerMonitor* power_monitor = base::PowerMonitor::Get();
  28  if (power_monitor)
  29    power_monitor->AddObserver(this);
  30 #endif
  31 }
  32
  33 HttpNetworkLayer::~HttpNetworkLayer() {
  34 #if defined(OS_WIN)
  35   base::PowerMonitor* power_monitor = base::PowerMonitor::Get();
  36   if (power_monitor)
  37     power_monitor->RemoveObserver(this);
  38 #endif
  39 }
  40
  41 // static
  42 HttpTransactionFactory* HttpNetworkLayer::CreateFactory(
  43     HttpNetworkSession* session) {
  44   DCHECK(session);
  45
  46   return new HttpNetworkLayer(session);
  47 }
  48
  49 int HttpNetworkLayer::CreateTransaction(RequestPriority priority,
  50                                         scoped_ptr<HttpTransaction>* trans) {
  51   if (suspended_)
  52     return ERR_NETWORK_IO_SUSPENDED;
  53
  54   trans->reset(new HttpNetworkTransaction(priority, GetSession()));
  55   return OK;
  56 }
  57
  58 HttpCache* HttpNetworkLayer::GetCache() {
  59   return NULL;
  60 }
  61
  62 HttpNetworkSession* HttpNetworkLayer::GetSession() { return session_.get(); }
  63
  64 void HttpNetworkLayer::OnSuspend() {
  65   suspended_ = true;
  66
  67   if (session_.get())
  68     session_->CloseIdleConnections();
  69 }
  70
  71 void HttpNetworkLayer::OnResume() {
  72   suspended_ = false;
  73 }
  74
  75 }  // namespace net