MNRTPevent.h

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/* Copyright (C) 2000 KOM/Darmstadt University of Technology
 *
 * You are allowed to use all other parts of the code under the following terms:
 *
 * For non-commercial use, code may be used in unmodified form provided
 * that this copyright notice and this permission notice appear in
 * supporting documentation.
 *
 * This software is provided "as is" and without any express or implied
 * warranties, including, without limitation, the implied warranty of
 * fitness for a particular purpose.
 *
 * The code may be subjected to the GNU General Public License, Version 2,
 * and re-distributed under the terms of this license.
 * As a special exception, permission is granted to link this code
 * with the Qt library and distribute executables, as long as you
 * follow the requirements of the GNU GPL in regard to all of the
 * software in the executable aside from Qt.
 *
 * Commercial use other than under the terms of the GNU General Public
 * License is allowed only after express negotiation of conditions
 * with the authors.
 */
#ifndef MNRTP_EVENT_H
#define MNRTP_EVENT_H

#include "MNRTPutildefs.h"

class MNRTPevent;

typedef MNRTPevent* MNRTPeventptr;

class MNRTPevent
{
private:
  MNRTPeventptr    StreamEventPtr;
  virtual void     StreamEvent(stream_event_t /*event*/, int /*fd*/) {}

  MNRTPeventptr    StreamErrorPtr;
  virtual void     StreamError(int /*error*/, int /*fd*/) {}

  MNRTPeventptr    StreamGetFnamePtr;
  virtual char*    StreamGetFname() {return NULL;}

  MNRTPeventptr    StreamGetUDPPtr;
  virtual int      StreamGetUDP() {return 0;}

  MNRTPeventptr    StreamGetUDPtargetPtr;
  virtual char*    StreamGetUDPtarget(int /*port*/) {return NULL;}

public:
  MNRTPevent()
  {
      StreamEventPtr        = NULL;
      StreamErrorPtr        = NULL;
      StreamGetFnamePtr     = NULL;
      StreamGetUDPPtr       = NULL;
      StreamGetUDPtargetPtr = NULL;
  }

  virtual ~MNRTPevent() { }

  /* Event */
  inline void StreamEventCall(stream_event_t event, int fd)
  {
      if (StreamEventPtr !=NULL) StreamEventPtr->StreamEvent(event, fd);
  }

  inline void register_StreamEvent(MNRTPeventptr p)
  {
      StreamEventPtr = p;
  }

  /* Error */
  inline void StreamErrorCall(int error, int fd)
  {
      if (StreamErrorPtr != NULL) StreamErrorPtr->StreamError(error, fd);
  }
  inline void register_StreamError(MNRTPeventptr p)
  {
      StreamErrorPtr = p;
  }

  /* File Name */
  inline char* StreamGetFnameCall()
  {
      if (StreamGetFnamePtr != NULL)
          return StreamGetFnamePtr->StreamGetFname();
      else
          return NULL;
  }
  inline void register_StreamGetFname(MNRTPeventptr p)
  {
      StreamGetFnamePtr = p;
  }

  /* UDP port */
  inline int StreamGetUDPCall()
  {
      if (StreamGetUDPPtr != NULL)
          return StreamGetUDPPtr->StreamGetUDP();
      else
          return 0;
  }
  inline void register_StreamGetUDP(MNRTPeventptr p)
  {
      StreamGetUDPPtr = p;
  }

  inline char* StreamGetUDPtargetCall(int port)
  {
      if (StreamGetUDPtargetPtr != NULL)
          return StreamGetUDPtargetPtr->StreamGetUDPtarget(port);
      else
          return NULL;
  }
  inline void register_StreamGetUDPtarget(MNRTPeventptr p)
  {
      StreamGetUDPtargetPtr = p;
  }

};

#endif /* MNRTP_EVENT_H */

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