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/strings/string_number_conversions.h"
   9 #include "base/strings/string_split.h"
  10 #include "base/strings/string_util.h"
  11 #include "net/http/http_network_session.h"
  12 #include "net/http/http_network_transaction.h"
  13 #include "net/http/http_server_properties_impl.h"
  14 #include "net/http/http_stream_factory_impl_job.h"
  15 #include "net/spdy/spdy_framer.h"
  16 #include "net/spdy/spdy_session.h"
  17 #include "net/spdy/spdy_session_pool.h"
  18
  19 namespace net {
  20
  21 //-----------------------------------------------------------------------------
  22 HttpNetworkLayer::HttpNetworkLayer(HttpNetworkSession* session)
  23     : session_(session),
  24       suspended_(false) {
  25   DCHECK(session_.get());
  26 }
  27
  28 HttpNetworkLayer::~HttpNetworkLayer() {
  29 }
  30
  31 //-----------------------------------------------------------------------------
  32
  33 // static
  34 HttpTransactionFactory* HttpNetworkLayer::CreateFactory(
  35     HttpNetworkSession* session) {
  36   DCHECK(session);
  37
  38   return new HttpNetworkLayer(session);
  39 }
  40
  41 // static
  42 void HttpNetworkLayer::ForceAlternateProtocol() {
  43   PortAlternateProtocolPair pair;
  44   pair.port = 443;
  45   pair.protocol = NPN_SPDY_2;
  46   HttpServerPropertiesImpl::ForceAlternateProtocol(pair);
  47 }
  48
  49 //-----------------------------------------------------------------------------
  50
  51 int HttpNetworkLayer::CreateTransaction(RequestPriority priority,
  52                                         scoped_ptr<HttpTransaction>* trans,
  53                                         HttpTransactionDelegate* delegate) {
  54   if (suspended_)
  55     return ERR_NETWORK_IO_SUSPENDED;
  56
  57   trans->reset(new HttpNetworkTransaction(priority, GetSession()));
  58   return OK;
  59 }
  60
  61 HttpCache* HttpNetworkLayer::GetCache() {
  62   return NULL;
  63 }
  64
  65 HttpNetworkSession* HttpNetworkLayer::GetSession() { return session_.get(); }
  66
  67 void HttpNetworkLayer::OnSuspend() {
  68   suspended_ = true;
  69
  70   if (session_.get())
  71     session_->CloseIdleConnections();
  72 }
  73
  74 void HttpNetworkLayer::OnResume() {
  75   suspended_ = false;
  76 }
  77
  78 }  // namespace net