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// Copyright (c) 2010 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.
// JingleConnectionToHost implements the ConnectionToHost interface using
// libjingle as the transport protocol.
//
// Much of this class focuses on translating JingleClient and
// ChromotingConnection callbacks into ConnectionToHost::HostEventCallback
// messages.
//
// The public API of this class is designed to be asynchronous, and thread
// safe for invocation from other threads.
//
// Internally though, all work delegeated to the |network_thread| given
// during construction. Any event handlers running on the |network_thread|
// should not block.
#ifndef REMOTING_PROTOCOL_JINGLE_CONNECTION_TO_HOST_H_
#define REMOTING_PROTOCOL_JINGLE_CONNECTION_TO_HOST_H_
#include "base/ref_counted.h"
#include "base/scoped_ptr.h"
#include "base/task.h"
#include "remoting/jingle_glue/jingle_client.h"
#include "remoting/protocol/connection_to_host.h"
#include "remoting/protocol/message_reader.h"
#include "remoting/protocol/session.h"
#include "remoting/protocol/session_manager.h"
#include "remoting/protocol/stream_writer.h"
class MessageLoop;
namespace remoting {
class JingleThread;
class VideoPacket;
namespace protocol {
class VideoReader;
class VideoStub;
class JingleConnectionToHost : public ConnectionToHost,
public JingleClient::Callback {
public:
// TODO(sergeyu): Constructor shouldn't need thread here.
explicit JingleConnectionToHost(JingleThread* thread);
virtual ~JingleConnectionToHost();
virtual void Connect(const std::string& username,
const std::string& auth_token,
const std::string& host_jid,
HostEventCallback* event_callback,
ClientStub* client_stub,
VideoStub* video_stub);
virtual void Disconnect();
virtual const SessionConfig* config();
// JingleClient::Callback interface.
virtual void OnStateChange(JingleClient* client, JingleClient::State state);
// Callback for chromotocol SessionManager.
void OnNewSession(
protocol::Session* connection,
protocol::SessionManager::IncomingSessionResponse* response);
// Callback for chromotocol Session.
void OnSessionStateChange(protocol::Session::State state);
private:
// The message loop for the jingle thread this object works on.
MessageLoop* message_loop();
// Called on the jingle thread after we've successfully to XMPP server. Starts
// P2P connection to the host.
void InitSession();
// Callback for |control_reader_|.
void OnControlMessage(ControlMessage* msg);
// Callback for |video_reader_|.
void OnVideoPacket(VideoPacket* packet);
// Used by Disconnect() to disconnect chromoting connection, stop chromoting
// server, and then disconnect XMPP connection.
void OnDisconnected();
void OnServerClosed();
JingleThread* thread_;
scoped_refptr<JingleClient> jingle_client_;
scoped_refptr<protocol::SessionManager> session_manager_;
scoped_refptr<protocol::Session> session_;
MessageReader control_reader_;
scoped_ptr<VideoReader> video_reader_;
HostEventCallback* event_callback_;
VideoStub* video_stub_;
std::string host_jid_;
DISALLOW_COPY_AND_ASSIGN(JingleConnectionToHost);
};
} // namespace protocol
} // namespace remoting
DISABLE_RUNNABLE_METHOD_REFCOUNT(remoting::protocol::JingleConnectionToHost);
#endif // REMOTING_PROTOCOL_JINGLE_CONNECTION_TO_HOST_H_
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