Mon système de chat (sockets)

SERVEUR


#include <stdio.h>
#include <stdlib.h>
#include <winsock2.h>
#include <pthread.h>
#include "bibliolol.h"

int main (void)
{
    WSADATA WSAData;
    WSAStartup(MAKEWORD(2,2), &WSAData);
    printf("ouverture de la bibliothèque sockets\n");
    SOCKET Masock;
    SOCKADDR_IN Monaddresse;
    SOCKET clientsock;
    SOCKADDR_IN clientaddresse;
    char message[200] = "Connexion etablie !!!";
    char cmessage[200]="";
    int taille=sizeof(Monaddresse);
    int tailleclient = sizeof(clientaddresse);
    int erreur=0;
    int    i=1;

    Masock = socket(AF_INET, SOCK_STREAM, 0);
     if(Masock != INVALID_SOCKET)
     {
        printf("La socket %d est maintenant ouverte en mode TCP/IP\n", Masock);
        printf("configuration de la socket\n");
        Monaddresse.sin_addr.s_addr    = htonl(INADDR_ANY);
        Monaddresse.sin_family         = AF_INET;
        Monaddresse.sin_port           = htons(23);
        erreur= bind(Masock, (SOCKADDR*)&Monaddresse,taille);

        if(erreur!= SOCKET_ERROR)
        {

            erreur= listen(Masock, 5);
            if(erreur!= SOCKET_ERROR)
            {

                printf("Attendez que quelqu'un se connecte !\n");
                clientsock = accept(Masock, (SOCKADDR*)&clientaddresse, &tailleclient);
                printf("Quelqu'un s'est connecté !!\n\n");


                    if(erreur!= SOCKET_ERROR)
            {
                        while(i)
                        {


                        send(clientsock, message, 200, 0);
                        printf("Chaine envoyee : %s\n\n", message);

                        lire(message,200);
                          if(recv(Masock, cmessage, 200, 0) != SOCKET_ERROR)
                                {
                                    printf("Recu : %s \n",cmessage);
                                }

                            else
                                {
                                    printf("rien de recu\n");
                                }
                        }

            }
                    else
                    {
                    printf("Erreur de transmission\n");
                    }
                    shutdown(clientsock, 2);
            }
            closesocket(Masock);
        }
     }
WSACleanup();
return 0;
}

















CLIENT

#include <winsock2.h>
#include <stdio.h>
#include <stdlib.h>
#define PORT 23
#include <string.h>
#include "bibliolol.h"

int main(void)
{
        WSADATA WSAData;
        int erreur = WSAStartup(MAKEWORD(2,2), &WSAData);

    int i=1;
    SOCKET serversock;
    SOCKADDR_IN serveraddr;
    SOCKET sock;
    SOCKADDR_IN sin;
    char buffer[200] = "";
    char message[200]="connexion etablie avec le serveur";

    if(!erreur)
    {
        sock = socket(AF_INET, SOCK_STREAM, 0);

        sin.sin_addr.s_addr = inet_addr("127.0.0.1");
        sin.sin_family = AF_INET;
        sin.sin_port = htons(PORT);

        if(connect(sock, (SOCKADDR*)&sin, sizeof(sin)) != SOCKET_ERROR)
        {
            printf("Connection a %s sur le port %d\n", inet_ntoa(sin.sin_addr), htons(sin.sin_port));

            while(i)
            {
             if(recv(sock, buffer, 200, 0) != SOCKET_ERROR)
                    {
                            printf("Recu : %s \n", buffer);
                    }
             printf("Chaine envoyee : %s\n\n", message);

            erreur= send(sock, message, 200, 0);
                    if(erreur)
                    {
                            printf("NOMBRE D OCTET ENVOYES: %d\n",erreur);
                    }


                    lire(message,200);
            }
        }
        else
        {
            printf("Impossible de se connecter\n");
        }


        shutdown(serversock, 2);
        closesocket(sock);


            WSACleanup();

    }


    getchar();

    return EXIT_SUCCESS;
}