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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <netdb.h>
#include <pthread.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#define SIZE 10000
struct thread_info{
int socket_tmp;
};
int create_tcp_server( int port, int nb_max_clients ) {
int socket_id;
int optval = 1;
struct sockaddr_in sockname;
//On établi la connexion
if( -1 == (socket_id = socket( PF_INET, SOCK_STREAM, 0 ) ) ) {
fprintf( stderr, "problème création socket\n" );
exit( EXIT_FAILURE );
}
setsockopt( socket_id, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof( int ) );
memset( (char*)&sockname, 0, sizeof( struct sockaddr_in ) );
/* Bind socket to a port */
sockname.sin_family = AF_INET; /* Internet address family */
sockname.sin_port = htons( port ); /* Local port */
sockname.sin_addr.s_addr = htonl( INADDR_ANY );/* Any incoming interface */
if( (bind( socket_id, (struct sockaddr*)&sockname, sizeof(struct sockaddr_in))) == -1)
{
fprintf( stderr, "problème avec bind\n" );
exit( EXIT_FAILURE );
}
/* Set socket to listen : Mark the socket so it will listen for incoming connections */
if((listen(socket_id,nb_max_clients)) == -1)
{
fprintf( stderr, "problème avec listen\n" );
exit( EXIT_FAILURE );
}
return socket_id;
}
static void search(char *chaine){
char *p = strchr(chaine, '\n');
if (p)
*p = 0;
}
static void* envoi(void* arg){
char msg[32]="";
short int client_id1=0;
struct thread_info *info=(struct thread_info *)arg;
int socket_id=info->socket_tmp;
if((client_id1 = accept((int)socket_id,NULL,0)) == -1)
{
fprintf( stderr, "problème avec accept\n" );
exit( EXIT_FAILURE );
}
do{
fgets(msg, sizeof(msg), stdin);
search(msg);
send(client_id1, msg,sizeof(msg),0);
}
while(strcmp(msg,"exit")!=0);
return NULL;
}
/*****************************************/
// ENVOI RECEPTION SON //
/*****************************************/
void* flux_son_sent(void* arg){
int client_id_son_out=0;
struct thread_info *info=(struct thread_info *)arg;
int socket_id_son_out=info->socket_tmp;
char buf[128]="TEST envoi son serveur";
if((client_id_son_out = accept((int)socket_id_son_out,NULL,0)) == -1){
fprintf( stderr, "probleme avec accept son out \n" );
exit( EXIT_FAILURE );
}
else{
printf("Connexion serveur son OUT reussi sur socket %d\n",client_id_son_out);
search(buf);
send(client_id_son_out, buf,sizeof(buf),0);
}
}
void* flux_son_recu(void* arg){
int client_id_son_in=0;
struct thread_info *info=(struct thread_info *)arg;
int socket_id_son_in=info->socket_tmp;
char buf[128] = "";
if((client_id_son_in = accept((int)socket_id_son_in,NULL,0)) == -1){
fprintf( stderr, "problème avec accept son in\n" );
exit( EXIT_FAILURE );
}
else{
printf("Connexion serveur son IN reussi sur socket:%d\n",client_id_son_in);
recv(client_id_son_in, buf, sizeof(buf), 0);
//printf("SON IN recep reussi->%s\n",buf);
}
}
int main( int argc, char** argv ) {
int socket_id,socket_id_son_in,socket_id_son_out,client_id;
char buffer[128]= "";
pthread_t thread,thread_son_in,thread_son_out;
//permet le passage d'arguments aux threads
struct thread_info *info;
struct thread_info *info_in;
struct thread_info *info_out;
info = malloc(sizeof(struct thread_info));
info_in = malloc(sizeof(struct thread_info));
info_out = malloc(sizeof(struct thread_info));
//SERVEUR TEXTE
socket_id = create_tcp_server(2000,1);
info->socket_tmp=socket_id;
pthread_create(&thread, NULL, envoi,info);
//SERVEUR SON OUT
socket_id_son_out = create_tcp_server(2002,1);
info_out->socket_tmp=socket_id_son_out;
pthread_create(&thread_son_out, NULL, flux_son_sent,info_out);
//SERVEUR SON IN
socket_id_son_in = create_tcp_server(2001,1);
info_in->socket_tmp=socket_id_son_in;
pthread_create(&thread_son_in, NULL, flux_son_recu,info_in);
if((client_id = accept(socket_id,NULL,0)) == -1){
fprintf( stderr, "probleme avec accept texte\n" );
exit( EXIT_FAILURE );
}
else{
printf("Connexion serveur texte reussi sur socket %d\n",client_id);
while(recv(client_id,buffer, sizeof(buffer),0)){
printf("Stranger: %s\n", buffer);
}
}
// 0, pour fermer la socket en réception, 1, en émission, 2 dans les deux sens.
shutdown( socket_id_son_in, 2 );
close( socket_id_son_in );
shutdown( socket_id_son_out, 2 );
close( socket_id_son_out );
shutdown( socket_id, 2 );
close( socket_id );
shutdown( client_id, 2 );
close( client_id );
pthread_cancel(thread);
pthread_cancel(thread_son_in);
pthread_cancel(thread_son_out);
free(info);
free(info_in);
free(info_out);
exit( EXIT_SUCCESS );
} |
