Hello,
I need help to replace the ................. of client.c that request the server implemented by server.c
------------------
Listing 1 - server.c
/* Inclusion des diff�rentes librairies n�cessaires */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet.in.h>
#include <arpa.inet.h>
int main(int argc, char argv[])
{
int res;
/ Operandes /
int a, b,buf;
/ socket mise en place c�t� serveur /
int serv_sock;
/ socket mise en place c�t� client /
int cli_sock;
/ adresse de la socket distante /
struct sockaddr_in localaddr;
/ longueur de l'adresse /
socklen_t localaddr_len;
/ longueur de l'adresse */
socklen_t distaddr_len;
localaddr_len = sizeof(localaddr);
/* Mise en place de la socket */
serv_sock = socket\(AF\_INET.SOCK_STREAM, 0\);
if \(serv_sock = socket\(AF\_INET.SOCK_STREAM, 0\);
if \(serv_sock == -1\) \{
perror\(''Impossible de creer la socket''\)
exit\(-1\);
\}
/* Mise en place de la structure d�crivant l'adresse
* et le port qui seront associ�s � la socket */
bzero\(\(char*\)&localaddr, localaddr_len\);
/* Protocole internet */
localaddr.sin_family = AF.INET;
/* On �coute sur l'adresse de boucle locale */
localaddr.sin\_addr.s_addr = inet_addr\(''127.0.0.1''\);
/* On �coute sur le port 1234 */
localaddr.sin_port=htons\(1234\);
/* On attache la socket au port 1234 sur
* l'adresse locale 127.0.0.1 */
if \(bind\(serv_sock,
\(struct sockaddr *\) &localaddr,
localaddr_len\) == -1\) \{
perror\(''Impossible d'attacher la socket''\);
exit\(-1\);
\}
/* Mise en place de l'�coute sur la socket */
if \(listen\(serv_sock, 1\) == -1\) \{
perror\(''Impossible d'�couter sur la socket''\);
exit\(-1\);
\}
/* On accepte les connexions entrantes */
cli_sock = accept\(serv_sock,
\(struct sockaddr *\) &distaddr,
&distaddr_len\);
if \(cli_sock == -1\) \{
perror\(''Erreur de connexion du client''\);
exit\(-1\);
\}
/* on recoit la premi�re operande */
res = recv\(cli_sock, &buf; sizeof\(int\), 0\);
if \(res != sizeof\(int\)\) \{
perror\(''Donnees recues incorrectes''\);
close\(serv_sock\);
exit\(-1\);
\}
a = ntohl\(buf\);
printf\(''Recu: %d/n'', a\);
/* On recoit la deuxieme operande */
res = recv\(cli_sock, &buf, sizeof\(in\), 0\);
if \(res != sizeof\(int\)\) \{
perror\(''Donnees recues incorrectes''\);
close\(serv_sock\);
exit\(-1\);
\}
b = ntohl\(buf\);
printf\(''Recu: %d\\n'', b\);
buf=htonl\(a\+b\);
printf\(''Envoi: %d\\n'', a\+b\);
/* On envoie le resultat */
res=send\(cli_sock, &buf, sizeof\(int\), 0\);
if \(res != sizeof\(int\)\) \{
perror\(''Erreur de transmission de donnees''\);
close\(serv_sock\);
exit\(-1\)
\}
close\(serv_sock\);
close\(cli_sock\);
return \(\);
}
-----------------
Listing 2 - client.c
// Inclusion des diff�rentes librairies necessaires
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
int main(int argc, char argv[])
{
int res;
/ Operandes /
int a, b, buf;
/ socket mise en place cote serveur /
int serv_sock;
/ socket mise en place cote client /
int cli_sock;
/ adresse de la socket distante /
struct sockaddr_in distaddr;
/ longueur de l'adresse */
socklen_t distaddr_len;
distaddr_len = sizeof(distaddr);
a=htonl\(123\);
b=btonl\(124\);
/* Creation de la socket */
cli.sock = .............................
if \(cli_sock == -1\) \{
perror\(''Impossible de creer la socket''\);
exit\(-1\);
\}
/* Mise en place de la structure decrivant
* l'adresse et le port qui seront associes
* a la socket */
bzero\(\(char*\)&distaddr, distaddr_len\);
/* Protocole internet */
distaddr.sin_family = .......................
/* On se connecte sur l'adresse de boucle locale */
distaddr.sin\_addr.s_addr = inet_addr\(''127.0.0.1"\);
/* On se connecte sur le port 1234 */
distaddr.sin.port = .............................
/* Connexion au serveur */
serv_sock = ....................................
if \(serv_sock == -1\) \{
perror\(''Impossible de se connecter''\);
\}
/* On envoi la premiere operande */
res = .....................................
if \(res != sizeof\(int\)\) \{
perror\(''Impossible d'envoyer les donnees''\);
close\(cli_sock\);
exit\(-1\);
\}
/* On envoie la seconde operande */
res = send\(cli_sock, &b, sizeof\(int\), 0\);
if \(res != sizeof\(int\)\) \{
perror\(''Impossible d'envoyer les donnees''\);
close\(cli_sock\);
exit\(-1\);
\}
/* On recupere le resultat */
res = ....................................
if \(res != sizeof\(int\)\) \{
perror\(''Impossible de lire les donnees''\);
close\(cli_sock\);
exit\(-1\);
\}
printf\(''Resultat:%d\\n'', ntohl\(buf\)\);
.............................
close\(serv_sock\);
return 0;
}