source: orxonox.OLD/trunk/src/lib/network/udp_broadcast.cc

/*
   orxonox - the future of 3D-vertical-scrollers

   Copyright (C) 2004 orx

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

### File Specific:
   main-programmer: Christoph Renner
   co-programmer: ...
*/

//#define DEBUG_SPECIAL_MODULE DEBUG_MODULE_

#include "udp_broadcast.h"

/**
 * standard constructor
 * @todo this constructor is not jet implemented - do it
 */
UdpBroadcast::UdpBroadcast ()
{
  this->port = 0;
  packet = SDLNet_AllocPacket( BROADCAST_PACKET_SIZE );

  if ( !packet )
  {
    printf( "SDLNet_AllocPacket: %s\n", SDLNet_GetError() );
    assert( packet );
  }

  this->socket = NULL;
}


/**
 * standard deconstructor
 */
UdpBroadcast::~UdpBroadcast ()
{
  if ( this->packet )
  {
    SDLNet_FreePacket( this->packet );
    this->packet = NULL;
  }

  if ( this->socket )
  {
    SDLNet_UDP_Close( this->socket );
    this->socket = NULL;
  }

}

/**
 * listen for incoming broadcast packets
 * @param port port to listen on
 * @return true on success
 */
bool UdpBroadcast::listen( int port )
{
  return true;
}

/**
 * prepare for sending broadcast packets to port
 * @param port port to send to
 * @return true on success
 */
bool UdpBroadcast::open( int port )
{
  this->port = port;

  return true;
}

/**
 * send packet
 * @param data data to send
 * @param length length of data
 * @param ip if ip == NULL broadcast is used
 * @return number of bytes sent
 */
int UdpBroadcast::send( byte * data, int length, IPaddress * ip )
{
  return 0;
}

/**
 * recieve packets
 * @param data pointer to buffer to copy data to
 * @param maxLength maxmal number of bytes to copy to data
 * @param ip if != 0 ip contains data about sender
 * @return number of bytes recieved
 */
int UdpBroadcast::recv( byte * data, int maxLength, IPaddress * ip )
{
  return 0;
}