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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.
#ifndef REMOTING_PROTOCOL_JINGLE_CHROMOTING_CONNECTION_H_
#define REMOTING_PROTOCOL_JINGLE_CHROMOTING_CONNECTION_H_
#include "base/lock.h"
#include "base/ref_counted.h"
#include "remoting/protocol/chromoting_connection.h"
#include "third_party/libjingle/source/talk/base/sigslot.h"
#include "third_party/libjingle/source/talk/p2p/base/session.h"
namespace cricket {
class PseudoTcpChannel;
} // namespace cricket
namespace net {
class Socket;
} // namespace net
namespace remoting {
class JingleChromotingServer;
class StreamSocketAdapter;
class TransportChannelSocketAdapter;
// Implements ChromotingConnection that work over libjingle session (the
// cricket::Session object is passed to Init() method). Created
// by JingleChromotingServer for incoming and outgoing connections.
class JingleChromotingConnection : public ChromotingConnection,
public sigslot::has_slots<> {
public:
explicit JingleChromotingConnection(JingleChromotingServer* client);
// ChromotingConnection interface.
virtual void SetStateChangeCallback(StateChangeCallback* callback) ;
virtual net::Socket* GetVideoChannel();
virtual net::Socket* GetEventsChannel();
virtual net::Socket* GetVideoRtpChannel();
virtual net::Socket* GetVideoRtcpChannel();
// No synchronization is needed because jid_ is not changed
// after new connection is passed to JingleChromotingServer callback.
virtual const std::string& jid() { return jid_; };
virtual void Close(Task* closed_task);
protected:
virtual ~JingleChromotingConnection();
private:
friend class JingleChromotingServer;
// Called by JingleChromotingServer.
void Init(cricket::Session* session);
bool HasSession(cricket::Session* session);
cricket::Session* ReleaseSession();
// Used for Session.SignalState sigslot.
void OnSessionState(cricket::BaseSession* session,
cricket::BaseSession::State state);
void OnInitiate(bool incoming);
void OnAccept();
void OnTerminate();
void SetState(State new_state);
// JingleChromotingServer that created this connection.
scoped_refptr<JingleChromotingServer> session_client_;
State state_;
scoped_ptr<StateChangeCallback> state_change_callback_;
bool closed_;
// JID of the other side. Set when the connection is initialized,
// and never changed after that.
std::string jid_;
// The corresponding libjingle session.
cricket::Session* session_;
cricket::PseudoTcpChannel* events_channel_;
scoped_ptr<StreamSocketAdapter> events_channel_adapter_;
cricket::PseudoTcpChannel* video_channel_;
scoped_ptr<StreamSocketAdapter> video_channel_adapter_;
scoped_ptr<TransportChannelSocketAdapter> video_rtp_channel_;
scoped_ptr<TransportChannelSocketAdapter> video_rtcp_channel_;
DISALLOW_COPY_AND_ASSIGN(JingleChromotingConnection);
};
} // namespace remoting
#endif // REMOTING_PROTOCOL_JINGLE_CHROMOTING_CONNECTION_H_
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