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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.
// JingleHostConnection implements the HostConnection interface using
// libjingle as the transport protocol.
//
// Much of this class focuses on translating JingleClient and
// ChromotingConnection callbacks into HostConnection::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_CLIENT_JINGLE_HOST_CONNECTION_H_
#define REMOTING_CLIENT_JINGLE_HOST_CONNECTION_H_
#include "base/ref_counted.h"
#include "base/scoped_ptr.h"
#include "base/task.h"
#include "remoting/client/client_context.h"
#include "remoting/client/host_connection.h"
#include "remoting/jingle_glue/jingle_client.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 {
struct ClientConfig;
class JingleThread;
namespace protocol {
class VideoReader;
class VideoStub;
class JingleHostConnection : public HostConnection,
public JingleClient::Callback {
public:
explicit JingleHostConnection(ClientContext* context);
virtual ~JingleHostConnection();
virtual void Connect(const ClientConfig& config,
HostEventCallback* event_callback,
VideoStub* video_stub);
virtual void Disconnect();
virtual void SendEvent(const ChromotingClientMessage& msg);
// 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(ChromotingHostMessage* 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();
ClientContext* context_;
scoped_refptr<JingleClient> jingle_client_;
scoped_refptr<protocol::SessionManager> session_manager_;
scoped_refptr<protocol::Session> session_;
MessageReader control_reader_;
EventStreamWriter event_writer_;
scoped_ptr<VideoReader> video_reader_;
HostEventCallback* event_callback_;
VideoStub* video_stub_;
std::string host_jid_;
DISALLOW_COPY_AND_ASSIGN(JingleHostConnection);
};
} // namespace protocol
} // namespace remoting
DISABLE_RUNNABLE_METHOD_REFCOUNT(remoting::protocol::JingleHostConnection);
#endif // REMOTING_CLIENT_JINGLE_HOST_CONNECTION_H_
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