int
serveur_tcp (void)
{
int sock_contact;
int sock_connectee;
struct sockaddr_in adresse;
socklen_t longueur;
sock_contact = cree_socket_stream (NULL, NULL, "tcp");
if (sock_contact < 0)
return (-1);
listen (sock_contact, 5);
fprintf (stdout, "Mon adresse >> ");
affiche_adresse_socket (sock_contact);
while (! quitter_le_serveur ()) {
longueur = sizeof (struct sockaddr_in);
sock_connectee = accept (sock_contact, & adresse, & longueur);
if (sock_connectee < 0) {
perror ("accept");
return (-1);
}
switch (fork ()) {
case 0 : /* fils */
close (sock_contact);
traite_connexion (sock_connectee);
exit (0);
case -1 :
perror ("fork");
return (-1);
default : /* père */
close (sock_connectee);
}
}
return (0);
}
int serveur_tcp (const char * nom_service)
{
int err;
int sock_serveur;
int sock_connectee;
struct addrinfo hints;
struct addrinfo *results;
struct sockaddr_in * addr_in;
socklen_t length = 0;
char hostname [NI_MAXHOST];
char servname [NI_MAXSERV];
// Creer la socket serveur et lui attribuer un numero de service.
if ((sock_serveur = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) {
perror("socket");
return -1;
}
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM;
hints.ai_flags = AI_PASSIVE;
if ((err = getaddrinfo(NULL, nom_service, &hints, &results)) != 0) {
fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(err));
close(sock_serveur);
return -1;
}
err = bind(sock_serveur, results->ai_addr, results->ai_addrlen);
freeaddrinfo(results);
if (err < 0) {
perror("bind");
close(sock_serveur);
return -1;
}
// Afficher notre adresse locale.
fprintf(stdout, "Mon adresse >> ");
length = sizeof(struct sockaddr_in);
if (getsockname(sock_serveur, (struct sockaddr *) &addr_in, &length) < 0) {
perror ("getsockname");
return -1;
}
if (getnameinfo((struct sockaddr *) &addr_in, length,
hostname, NI_MAXHOST,
servname, NI_MAXSERV,
NI_NUMERICHOST | NI_NUMERICSERV) == 0)
fprintf (stdout, "IP = %s, Port = %s \n", hostname, servname);
listen(sock_serveur, 5);
while (! quitter_le_serveur()) {
sock_connectee = accept(sock_serveur, NULL, NULL);
if (sock_connectee < 0) {
perror("accept");
return -1;
}
switch (fork()) {
case 0 : // fils
close(sock_serveur);
traite_connexion(sock_connectee);
exit(EXIT_SUCCESS);
case -1 :
perror("fork");
return -1;
default : // pere
close(sock_connectee);
}
}
return 0;
}
