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| #if defined (WIN32)
#include <winsock2.h>
typedef int socklen_t;
#elif defined (linux)
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
#define INVALID_SOCKET -1
#define SOCKET_ERROR -1
#define closesocket(s) close(s)
typedef int SOCKET;
typedef struct sockaddr_in SOCKADDR_IN;
typedef struct sockaddr SOCKADDR;
#endif
#include <stdio.h>
#include <stdlib.h>
#define PORT 23
int main(void)
{
#if defined (WIN32)
WSADATA WSAData;
int erreur = WSAStartup(MAKEWORD(2,2), &WSAData);
#else
int erreur = 0;
#endif
SOCKADDR_IN sin;
SOCKET sock;
socklen_t recsize = sizeof(sin);
SOCKADDR_IN csin;
SOCKET csock;
socklen_t crecsize = sizeof(csin);
int sock_err;
int test = 0;
if(!erreur)
{
sock = socket(AF_INET, SOCK_STREAM, 0);
if(sock != INVALID_SOCKET)
{
printf("La socket %d est maintenant ouverte en mode TCP/IP\n", sock);
sin.sin_addr.s_addr = inet_addr("128.0.0.1");
sin.sin_family = AF_INET; /* Protocole familial (IP) */
sin.sin_port = htons(PORT); /* Listage du port */
sock_err = bind(sock, (SOCKADDR*)&sin, recsize);
if(sock_err != SOCKET_ERROR)
{
sock_err = listen(sock, 5);
printf("Listage du port %d... \n", PORT);
if(sock_err != SOCKET_ERROR)
{
printf("Patientez pendant que le client se connecte sur le port %d ...\n", PORT);
csock = accept(sock, (SOCKADDR*)&csin, &crecsize);
printf("Un client se connecte avec la socket %d de %s:%d\n", csock, inet_ntoa(csin.sin_addr), htons(csin.sin_port));
while(1)
{
}
}
else
perror("listen");
}
else
perror("bind");
printf("Fermeture de la socket client\n");
closesocket(csock);
printf("Fermeture de la socket serveur\n");
closesocket(sock);
printf("Fermeture du serveur terminée\n");
}
else
perror("socket");
#if defined (WIN32)
WSACleanup();
#endif
}
return EXIT_SUCCESS;
} |
