network.cpp

即时通信程序(类似于QQ,MSN) 用C写的

/*    
 *   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 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *********************************************************************************/
 
#include "network.h"


/**
 * \fn network::network()
 * \param int port : le port
 * \return Rien.
 * \brief Constructeur de la classe server. Ne fait rien..
 */
network::network(int tmp_port)
{
  this->remove_id = -1;
  this->liste_clients = NULL;
  this->client_fd = -1;		//descripteur de fichier pour le mode client
  this->debug = 0;		//flag debug off par d閒aut
  this->port = tmp_port;	//affecte le port
  this->liste_in = NULL;	//initialise le buffer d'entr閑
  this->liste_out = NULL;	//initialise le buffer de sortie
  if(this->debug) printf("#Network > Module network charg閈n");
  #ifdef _WIN32
   WSADATA wsaData;
   int wsaret=WSAStartup(0x101,&wsaData);
   if(wsaret)	
     return;
  #endif
}



/**
 * \fn network::~network()
 * \param Aucun
 * \return Rien.
 * \brief Destructeur de la classe server. Ferme le socket
 */
network::~network()
{
  
  close(listener);
  if(this->debug) printf("#Network > Module network d閠ruit\n");
}

/**
 * \fn network::set_debug(short)
 * \param short dbg : activer ou non le mode debug
 * \return Rien.
 * \brief Active ou non le mode debug
 */
void network::set_debug(short dbg)
{
  
  this->debug = dbg;
}



/**
 * \fn int network::envoi(int, char *, char*)
 * \param - int destinataire : l'id du client
 * \param - char *tag : le tag
 * \param - char *valeur : la valeur affect閑 au tag
 * \return Rien.
 * \brief Forme un paquet et l'ajoute au buffer de sortie
 */
int
network::envoi(int destinataire, char *tag, char*valeur)
{
 struct _paquet *paquet;
 paquet = (struct _paquet *)malloc(sizeof(struct _paquet));

 if(destinataire != -1)
  paquet->destinataire = destinataire;
 else
  paquet->destinataire = this->client_fd;
 strcpy(paquet->tag, tag);
 strcpy(paquet->valeur, valeur);

 return(envoi_paquet(paquet));
}



//TODO Lors d'une fermeture de client, supprimer toutes les entr閑s du file descriptor.
/**
 * \fn int network::envoi_paquet(struct _paquet *)
 * \param struct _paquet *paquet: le paquet