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| //Serveur
#ifndef SERVEUR_INCLUDED
#define SERVEUR_INCLUDED
#include <WinSock2.h>
#pragma comment(lib, "ws2_32.lib")
#pragma comment(lib, "pthreadVCE2.lib")
typedef int socklen_t;
#endif
#include <stdio.h>
#include <stdlib.h>
#include <iostream>
using namespace std;
int main(void){
WSADATA WSAData;
int initialisation = WSAStartup(MAKEWORD(2,2) , &WSAData);
//serveur
SOCKET sock;
SOCKADDR_IN sin;
socklen_t recsize = sizeof(sin);
//client
SOCKET csock;
SOCKADDR_IN csin;
socklen_t crecsize = sizeof(csin);
char buffer[256];
int sock_err;
int PORT;
printf("Veuillez choisir un numero de port: ");
cin >> PORT;
char Alias;
if(!initialisation)
{
sock=socket(AF_INET, SOCK_STREAM, 0);
if(sock != INVALID_SOCKET)
{
printf("La socket %d est maintenant ouverte \n", sock);
printf("Veuillez choisir un nom pour votre serveur: ");
cin >> Alias;
sin.sin_addr.s_addr = htonl(INADDR_ANY);
sin.sin_family = AF_INET;
sin.sin_port = htons(PORT);
sock_err = bind(sock, (SOCKADDR*)&sin, recsize);
if(sock_err != SOCKET_ERROR)
{
sock_err = listen(sock, 2);
printf("Ecoute sur le port %d...\n", PORT);
if(sock_err != SOCKET_ERROR)
{
printf("Patientez pendant que le client se connecte sur le port %d...\n", PORT);
fd_set readfs;
while(1)
{
FD_ZERO(&readfs);
FD_SET(sock, &readfs);
if(select(sock + 1, &readfs, NULL, NULL, NULL) < 0)
{
perror("select()");
exit(errno);
}
if(FD_ISSET(sock, &readfs))
{
csock=accept(sock, (SOCKADDR*)&csin, &crecsize);
printf("Un client vient de se connecter au socket %d de %s:%d\n", csock, inet_ntoa(csin.sin_addr), htons(csin.sin_port));
// if(recv(sock, buffer, sizeof(buffer)-1, 0) != SOCKET_ERROR)
// printf("Recu : %s\n", buffer);
shutdown(csock, 2);
}
}
}
else return 1;
}
else return 1;
closesocket(csock);
closesocket(sock);
}
else return 1;
WSACleanup();
}
return 0;
}
Et là le code côté client:
//Client
#ifndef SERVEUR_H_INCLUDED
#define SERVEUR_H_INCLUDED
#include <WinSock2.h>
#pragma comment(lib, "ws2_32.lib")
typedef int socklen_t;
#endif
#include <stdio.h>
#include <stdlib.h>
#include <iostream>
using namespace std;
int main(void){
WSADATA WSAData;
int initialisation = WSAStartup(MAKEWORD(2,2) , &WSAData);
SOCKET sock;
SOCKADDR_IN sin={0};
int PORT;
printf("Veuillez choisir un numero de port: ");
cin >> PORT;
if(!initialisation)
{
sock=socket(AF_INET, SOCK_STREAM, 0);
if(sock != INVALID_SOCKET)
{
printf("La socket %d est maintenant ouverte \n", sock);
printf("Veuillez rentrer une adresse IP valide en format X.X.X.X: ");
char IP[32];
scanf ("%s",IP);
sin.sin_addr.s_addr = inet_addr("127.0.0.1");
sin.sin_family = AF_INET;
sin.sin_port = htons(1500);
int connexion = connect (sock, (SOCKADDR*)&sin, sizeof(sin));
if(connexion != SOCKET_ERROR)
{
printf("Connexion à %s sur le port %d\n", inet_ntoa(sin.sin_addr), htons(sin.sin_port));
char buffer[256];
strcpy(buffer, "Hello world !\n");
int err = send (sock, buffer, strlen (buffer), 0);
if (err != SOCKET_ERROR)
{
printf ("%d byte%s sent\n", (int) err, err > 1 ? "s" : "");
}
else
{
printf ("ERR: send()\n");
}
char buffer1[256] = "";
if(recv(sock, buffer1, sizeof(buffer1), 0) != SOCKET_ERROR)
printf("Recu : %s\n", buffer);
}
else
printf("Impossible de se connecter\n");
}
closesocket(sock);
WSACleanup();
}
return 0;
} |
