Close all writers before JingleSession is destroyed.

remoting/protocol/connection_to_client.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "remoting/protocol/connection_to_client.h"
 
 #include "google/protobuf/message.h"
 #include "net/base/io_buffer.h"
 #include "remoting/protocol/client_control_sender.h"
 #include "remoting/protocol/host_message_dispatcher.h"
@@ skipping 39 matching lines @@
 
 void ConnectionToClient::Disconnect() {
   // This method can be called from main thread so perform threading switching.
   if (MessageLoop::current() != loop_) {
     loop_->PostTask(
         FROM_HERE,
         NewRunnableMethod(this, &ConnectionToClient::Disconnect));
     return;
   }
 
+  CloseChannels();
+
   // If there is a channel then close it and release the reference.
   if (session_) {
     session_->Close(NewRunnableMethod(this, &ConnectionToClient::OnClosed));
     session_ = NULL;
   }
 }
 
 void ConnectionToClient::UpdateSequenceNumber(int64 sequence_number) {
   handler_->OnSequenceNumberUpdated(this, sequence_number);
 }
 
 VideoStub* ConnectionToClient::video_stub() {
   return video_writer_.get();
 }
 
 // Return pointer to ClientStub.
 ClientStub* ConnectionToClient::client_stub() {
-  return client_stub_.get();
+  return client_control_sender_.get();
 }
 
 void ConnectionToClient::set_host_stub(protocol::HostStub* host_stub) {
   host_stub_ = host_stub;
 }
 
 void ConnectionToClient::set_input_stub(protocol::InputStub* input_stub) {
   input_stub_ = input_stub;
 }
 
 void ConnectionToClient::OnSessionStateChange(protocol::Session::State state) {
-  if (state == protocol::Session::CONNECTED) {
-    client_stub_.reset(new ClientControlSender(session_->control_channel()));
-    video_writer_.reset(VideoWriter::Create(session_->config()));
-    video_writer_->Init(session_);
-
-    dispatcher_.reset(new HostMessageDispatcher());
-    dispatcher_->Initialize(this, host_stub_, input_stub_);
-  }
-
-  // This method can be called from main thread so perform threading switching.
-  if (MessageLoop::current() != loop_) {
-    loop_->PostTask(
-        FROM_HERE,
-        NewRunnableMethod(this, &ConnectionToClient::StateChangeTask, state));
-  } else {
-    StateChangeTask(state);
-  }
-}
-
-void ConnectionToClient::StateChangeTask(protocol::Session::State state) {
   DCHECK_EQ(loop_, MessageLoop::current());
 
   DCHECK(handler_);
   switch(state) {
     case protocol::Session::CONNECTING:
       break;
     // Don't care about this message.
     case protocol::Session::CONNECTED:
+      client_control_sender_.reset(
+          new ClientControlSender(session_->control_channel()));
+      video_writer_.reset(VideoWriter::Create(session_->config()));
+      video_writer_->Init(session_);
+
+      dispatcher_.reset(new HostMessageDispatcher());
+      dispatcher_->Initialize(this, host_stub_, input_stub_);
+
       handler_->OnConnectionOpened(this);
       break;
     case protocol::Session::CLOSED:
+      CloseChannels();
       handler_->OnConnectionClosed(this);
       break;
     case protocol::Session::FAILED:
+      CloseChannels();
       handler_->OnConnectionFailed(this);
       break;
     default:
       // We shouldn't receive other states.
       NOTREACHED();
   }
 }
 
+void ConnectionToClient::CloseChannels() {
+  if (video_writer_.get())
+    video_writer_->Close();
+  if (client_control_sender_.get())
+    client_control_sender_->Close();
+}
+
 // OnClosed() is used as a callback for protocol::Session::Close().
 void ConnectionToClient::OnClosed() {
 }
 
 }  // namespace protocol
 }  // namespace remoting