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| #include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <stdlib.h>
#include <string.h>
#define MAXNOM 32
main (argc, argv)
int argc;
char **argv;
{
int sd,lacc,nsd;
struct sockaddr_in adsock,adacc;
struct hostent *hptr;
struct servent *sptr;
char machine[MAXNOM + 1];
char *prog;
prog = argv[0];
gethostname(machine, MAXNOM);
if ((hptr = gethostbyname(machine)) == NULL) {
perror("Probleme host inconnu ");
exit(1);
}
bzero( (char*) &adsock, sizeof(adsock) );
adsock.sin_family = hptr->h_addrtype;
if ((sptr = getservbyname("testsocket","tcp")) == NULL) {
perror("Probleme service inconnu");
exit(1);
}
adsock.sin_port = sptr->s_port;
if ((sd=socket(AF_INET,SOCK_STREAM,0))<0) {
perror("Probleme creation de la socket");
exit(1);
}
if ((bind(sd,(struct sockaddr *)&adsock,sizeof(adsock))) < 0) {
perror("Probleme de bind");
exit(1);
}
listen(sd,5);
for (;; ) {
lacc = sizeof(adacc);
if ((nsd = accept(sd,(struct sockaddr *)&adacc,&lacc)) < 0)
{
perror("Erreur sur l'accept");
exit(1);
}
renvoi(nsd);
}
}
int renvoi(s)
int s;
{
char buf[256];
int l;
if ((l = read(s,buf,sizeof(buf))) <= 0) return(0);
buf[l] = '\0';
write(s,buf,strlen(buf));
write (1, "Recu : ", 8);
write (1, buf, strlen(buf));
write (1, "\n", 1);
write (1, "\n", 1);
return(0);
} |
