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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_SESSION_H_
#define REMOTING_PROTOCOL_JINGLE_SESSION_H_
#include "base/lock.h"
#include "base/ref_counted.h"
#include "remoting/protocol/session.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 StreamSocketAdapter;
class TransportChannelSocketAdapter;
namespace protocol {
class JingleSessionManager;
// Implements protocol::Session that work over libjingle session (the
// cricket::Session object is passed to Init() method). Created
// by JingleSessionManager for incoming and outgoing connections.
class JingleSession : public protocol::Session,
public sigslot::has_slots<> {
public:
static const char kChromotingContentName[];
explicit JingleSession(JingleSessionManager* client);
// Chromotocol Session interface.
virtual void SetStateChangeCallback(StateChangeCallback* callback);
virtual net::Socket* control_channel();
virtual net::Socket* event_channel();
virtual net::Socket* video_channel();
virtual net::Socket* video_rtp_channel();
virtual net::Socket* video_rtcp_channel();
virtual const std::string& jid();
virtual MessageLoop* message_loop();
virtual const SessionConfig* config();
virtual void set_config(const SessionConfig* config);
virtual const std::string& initiator_token();
virtual void set_initiator_token(const std::string& initiator_token);
virtual const std::string& receiver_token();
virtual void set_receiver_token(const std::string& receiver_token);
// These fields are only set on the receiving side.
virtual const CandidateSessionConfig* candidate_config();
virtual void Close(Task* closed_task);
protected:
virtual ~JingleSession();
private:
friend class JingleSessionManager;
// Called by JingleSessionManager.
void set_candidate_config(const CandidateSessionConfig* candidate_config);
void Init(cricket::Session* cricket_session);
bool HasSession(cricket::Session* cricket_session);
cricket::Session* ReleaseSession();
// Used for Session.SignalState sigslot.
void OnSessionState(cricket::BaseSession* session,
cricket::BaseSession::State state);
void OnInitiate();
void OnAccept();
void OnTerminate();
void SetState(State new_state);
// JingleSessionManager that created this session.
scoped_refptr<JingleSessionManager> jingle_session_manager_;
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* cricket_session_;
scoped_ptr<const SessionConfig> config_;
std::string initiator_token_;
std::string receiver_token_;
// These data members are only set on the receiving side.
scoped_ptr<const CandidateSessionConfig> candidate_config_;
cricket::PseudoTcpChannel* control_channel_;
scoped_ptr<StreamSocketAdapter> control_channel_adapter_;
cricket::PseudoTcpChannel* event_channel_;
scoped_ptr<StreamSocketAdapter> event_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(JingleSession);
};
} // namespace protocol
} // namespace remoting
#endif // REMOTING_PROTOCOL_JINGLE_SESSION_H_
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