/usr/include/opal/h323/h323rtp.h is in libopal-dev 3.10.2~dfsg-0ubuntu1.
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* h323rtp.h
*
* H.323 RTP protocol handler
*
* Open H323 Library
*
* Copyright (c) 1998-2001 Equivalence Pty. Ltd.
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is Open H323 Library.
*
* The Initial Developer of the Original Code is Equivalence Pty. Ltd.
*
* Portions of this code were written with the assisance of funding from
* Vovida Networks, Inc. http://www.vovida.com.
*
* Contributor(s): ______________________________________.
*
* $Revision: 21293 $
* $Author: rjongbloed $
* $Date: 2008-10-12 18:24:41 -0500 (Sun, 12 Oct 2008) $
*/
#ifndef OPAL_H323_H323RTP_H
#define OPAL_H323_H323RTP_H
#ifdef P_USE_PRAGMA
#pragma interface
#endif
#include <opal/buildopts.h>
#if OPAL_H323
#include <rtp/rtp.h>
class H225_RTPSession;
class H245_TransportAddress;
class H245_H2250LogicalChannelParameters;
class H245_H2250LogicalChannelAckParameters;
class H323Connection;
class H323_RTPChannel;
///////////////////////////////////////////////////////////////////////////////
/**This class is for encpsulating the IETF Real Time Protocol interface.
*/
class H323_RTP_Session : public RTP_UserData
{
PCLASSINFO(H323_RTP_Session, RTP_UserData);
/**@name Overrides from RTP_UserData */
//@{
/**Callback from the RTP session for transmit statistics monitoring.
This is called every RTP_Session::senderReportInterval packets on the
transmitter indicating that the statistics have been updated.
The default behaviour calls H323Connection::OnRTPStatistics().
*/
virtual void OnTxStatistics(
const RTP_Session & session ///< Session with statistics
) const;
/**Callback from the RTP session for receive statistics monitoring.
This is called every RTP_Session::receiverReportInterval packets on the
receiver indicating that the statistics have been updated.
The default behaviour calls H323Connection::OnRTPStatistics().
*/
virtual void OnRxStatistics(
const RTP_Session & session ///< Session with statistics
) const;
//@}
/**@name Operations */
//@{
/**Fill out the OpenLogicalChannel PDU for the particular channel type.
*/
virtual PBoolean OnSendingPDU(
const H323_RTPChannel & channel, ///< Channel using this session.
H245_H2250LogicalChannelParameters & param ///< Open PDU to send.
) const = 0;
/**This is called when request to create a channel is received from a
remote machine and is about to be acknowledged.
*/
virtual void OnSendingAckPDU(
const H323_RTPChannel & channel, ///< Channel using this session.
H245_H2250LogicalChannelAckParameters & param ///< Acknowledgement PDU
) const = 0;
/**This is called after a request to create a channel occurs from the
local machine via the H245LogicalChannelDict::Open() function, and
the request has been acknowledged by the remote endpoint.
*/
virtual PBoolean OnReceivedPDU(
H323_RTPChannel & channel, ///< Channel using this session.
const H245_H2250LogicalChannelParameters & param, ///< Acknowledgement PDU
unsigned & errorCode ///< Error on failure
) = 0;
/**This is called after a request to create a channel occurs from the
local machine via the H245LogicalChannelDict::Open() function, and
the request has been acknowledged by the remote endpoint.
*/
virtual PBoolean OnReceivedAckPDU(
H323_RTPChannel & channel, ///< Channel using this session.
const H245_H2250LogicalChannelAckParameters & param ///< Acknowledgement PDU
) = 0;
/**This is called when a gatekeeper wants to get status information from
the endpoint.
The default behaviour fills in the session ID's and SSRC parameters
but does not do anything with the transport fields.
*/
virtual void OnSendRasInfo(
H225_RTPSession & info ///< RTP session info PDU
) = 0;
//@}
protected:
/**@name Construction */
//@{
/**Create a new channel.
*/
H323_RTP_Session(
const H323Connection & connection ///< Owner of the RTP session
);
//@}
const H323Connection & connection; ///< Owner of the RTP session
};
/**This class is for the IETF Real Time Protocol interface on UDP/IP.
*/
class H323_RTP_UDP : public H323_RTP_Session
{
PCLASSINFO(H323_RTP_UDP, H323_RTP_Session);
public:
/**@name Construction */
//@{
/**Create a new RTP session H323 info.
*/
H323_RTP_UDP(
const H323Connection & connection, ///< Owner of the RTP session
RTP_UDP & rtp ///< RTP session
);
//@}
/**@name Operations */
//@{
/**Fill out the OpenLogicalChannel PDU for the particular channel type.
*/
virtual PBoolean OnSendingPDU(
const H323_RTPChannel & channel, ///< Channel using this session.
H245_H2250LogicalChannelParameters & param ///< Open PDU to send.
) const;
/**This is called when request to create a channel is received from a
remote machine and is about to be acknowledged.
*/
virtual void OnSendingAckPDU(
const H323_RTPChannel & channel, ///< Channel using this session.
H245_H2250LogicalChannelAckParameters & param ///< Acknowledgement PDU
) const;
/**This is called after a request to create a channel occurs from the
local machine via the H245LogicalChannelDict::Open() function, and
the request has been acknowledged by the remote endpoint.
The default behaviour sets the remote ports to send UDP packets to.
*/
virtual PBoolean OnReceivedPDU(
H323_RTPChannel & channel, ///< Channel using this session.
const H245_H2250LogicalChannelParameters & param, ///< Acknowledgement PDU
unsigned & errorCode ///< Error on failure
);
/**This is called after a request to create a channel occurs from the
local machine via the H245LogicalChannelDict::Open() function, and
the request has been acknowledged by the remote endpoint.
The default behaviour sets the remote ports to send UDP packets to.
*/
virtual PBoolean OnReceivedAckPDU(
H323_RTPChannel & channel, ///< Channel using this session.
const H245_H2250LogicalChannelAckParameters & param ///< Acknowledgement PDU
);
/**This is called when a gatekeeper wants to get status information from
the endpoint.
The default behaviour calls the ancestor functon and then fills in the
transport fields.
*/
virtual void OnSendRasInfo(
H225_RTPSession & info ///< RTP session info PDU
);
//@}
protected:
virtual PBoolean ExtractTransport(
const H245_TransportAddress & pdu,
PBoolean isDataPort,
unsigned & errorCode
);
RTP_UDP & rtp;
};
#endif // OPAL_H323
#endif // OPAL_H323_H323RTP_H
/////////////////////////////////////////////////////////////////////////////
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