source: orxonox.OLD/branches/network/src/lib/network/network_socket.cc @ 5592

/*
   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, David Hasenfratz
   co-programmer:
*/


/* this is for debug output. It just says, that all calls to PRINT() belong to the DEBUG_MODULE_NETWORK module
   For more information refere to https://www.orxonox.net/cgi-bin/trac.cgi/wiki/DebugOutput
*/
#define DEBUG_MODULE_NETWORK


/* include your own header */
#include "network_socket.h"

/* header for debug output */
#include "debug.h"


/**
 * Default constructor
 */
NetworkSocket::NetworkSocket()
{
  /* set the class id for the base object */
  this->setClassID(CL_NETWORK_SOCKET, "NetworkSocket");

  /* Init SDL_net */
  if(SDLNet_Init()==-1)
  {
    PRINTF(1)("SDLNet_Init: %s\n", SDLNet_GetError());
    return;
  }
  else
    PRINTF(5)("SDL_net initialized\n");

}

/**
 * Default destructor
 */
NetworkSocket::~ NetworkSocket( )
{

  /* Quit SDL_net */
  SDLNet_Quit();
  PRINTF(5)("SDL_net shutdown\n");
}

/**
  * This function establishes a TCP/UDP connection to a given server (function argument).
  * It is called by the NetworkStream. It creates a TCP/UDP socket for the connection.
  */
void NetworkSocket::connectToServer(IPaddress ip, unsigned int port)
{

  /* Connect to the host and port contained in ip using a TCP connection. */
  tcpSocket = SDLNet_TCP_Open(&ip);
  if(!tcpSocket)
  {
    PRINTF(1)("SDLNet_TCP_Open: %s\n", SDLNet_GetError());
    return;
  }

}

/**
  * Tells the NetworkSocket to listen on a specific port for incoming connections.
  * NetworkSocket::writeBytes(...) will have no effect until there is a valuable connection.
  */
void listen(unsigned int port)
{
}

/**
 * DTears down a TCP/UDP connection.
 */
void NetworkSocket::disconnectServer( )
{

  /* Close the connection */
  SDLNet_TCP_Close(tcpSocket);

}

/**
  * This function writes some bytes (data) to the network connection (if the connection is already
  * estabilhed) otherwise it just does nothing (silently discarding the data). And writes some
  * warnings
  */
void NetworkSocket::writeBytes(byte* data)
{
}

 /**
  * Reads in the bytes from the network interface and passes it to the NetworkStream.
  * This function must internaly be implemented/connected as a thread, since the read
  * functions of many network libraries are blocking an would therefore block the whole
  * program.
  * From outside, the thread shouldn't be accessible at all.
  */
byte* NetworkSocket::readBytes()
{
}