h323rtp.h

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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: 19279 $
 * $Author: rjongbloed $
 * $Date: 2008-01-17 04:08:34 +0000 (Thu, 17 Jan 2008) $
 */

#ifndef __OPAL_H323RTP_H
#define __OPAL_H323RTP_H

#ifdef P_USE_PRAGMA
#pragma interface
#endif


#include <rtp/rtp.h>


class H225_RTPSession;

class H245_TransportAddress;
class H245_H2250LogicalChannelParameters;
class H245_H2250LogicalChannelAckParameters;

class H323Connection;
class H323_RTPChannel;



class H323_RTP_Session : public RTP_UserData
{
  PCLASSINFO(H323_RTP_Session, RTP_UserData);

    virtual void OnTxStatistics(
      const RTP_Session & session   
    ) const;

    virtual void OnRxStatistics(
      const RTP_Session & session   
    ) const;

    virtual PBoolean OnSendingPDU(
      const H323_RTPChannel & channel,            
      H245_H2250LogicalChannelParameters & param  
    ) const = 0;

    virtual void OnSendingAckPDU(
      const H323_RTPChannel & channel,              
      H245_H2250LogicalChannelAckParameters & param 
    ) const = 0;

    virtual PBoolean OnReceivedPDU(
      H323_RTPChannel & channel,                  
      const H245_H2250LogicalChannelParameters & param, 
      unsigned & errorCode                              
    ) = 0;

    virtual PBoolean OnReceivedAckPDU(
      H323_RTPChannel & channel,                  
      const H245_H2250LogicalChannelAckParameters & param 
    ) = 0;

    virtual void OnSendRasInfo(
      H225_RTPSession & info  
    ) = 0;


  protected:
    H323_RTP_Session(
      const H323Connection & connection  
    );

    const H323Connection & connection; 
};


class H323_RTP_UDP : public H323_RTP_Session
{
  PCLASSINFO(H323_RTP_UDP, H323_RTP_Session);

  public:
    H323_RTP_UDP(
      const H323Connection & connection, 
      RTP_UDP & rtp                      
    );

    virtual PBoolean OnSendingPDU(
      const H323_RTPChannel & channel,            
      H245_H2250LogicalChannelParameters & param  
    ) const;

    virtual void OnSendingAckPDU(
      const H323_RTPChannel & channel,              
      H245_H2250LogicalChannelAckParameters & param 
    ) const;

    virtual PBoolean OnReceivedPDU(
      H323_RTPChannel & channel,                  
      const H245_H2250LogicalChannelParameters & param, 
      unsigned & errorCode                              
    );

    virtual PBoolean OnReceivedAckPDU(
      H323_RTPChannel & channel,                  
      const H245_H2250LogicalChannelAckParameters & param 
    );

    virtual void OnSendRasInfo(
      H225_RTPSession & info  
    );

  protected:
    virtual PBoolean ExtractTransport(
      const H245_TransportAddress & pdu,
      PBoolean isDataPort,
      unsigned & errorCode
    );

    RTP_UDP & rtp;
};


#endif // __OPAL_H323RTP_H

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