int main(void)
{
int x = 0, sock = 0;
struct ifreq ifreq;
//make a socket
if( (sock = socket(AF_INET, SOCK_STREAM, 0)) < 0)
perr_quit("socket");
//loop thru indices starting at 1, print each one out
//quit on a bad one
for(x = 1; x < 10; x++){
ifreq.ifr_ifindex = x;
if(ioctl(sock, SIOCGIFNAME, &ifreq) < 0 )
perr_quit("ioctl");
printf("index %d is %s\n", x, ifreq.ifr_name);
}
return 0;
}
int main(int argc, char **argv)
{
u_int rbufsz = 64000;
int on = 1, fd = 0, lsock = 0, asock = 0, nread = 0, nthreads = 0, x = 0;
char buf[BUFSIZE];
struct sockaddr_in sa, csa;
struct in_addr *inptr = NULL;
socklen_t len = sizeof(sa);
pthread_t threadid[MAXTHREADS];
//initialize the socket -- returns < 0 on error
if ( (lsock = socket(AF_INET, SOCK_STREAM, 0)) < 0)
perr_quit("socket");
if(setsockopt(lsock, SOL_SOCKET, SO_RCVBUF, &rbufsz, sizeof(rbufsz)) != 0)
perr_quit("setsockopt");
if(setsockopt(lsock, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) < 0)
perr_quit("setsockopt");
//setup the sock_addrin structure
memset(&sa, 0, sizeof(sa));
memset(&csa, 0, sizeof(csa));
sa.sin_family = AF_INET;
sa.sin_port = htons(PORT);
sa.sin_addr.s_addr = htonl(INADDR_ANY);
//bind socket
if( (bind(lsock, (struct sockaddr *) &sa, sizeof(sa))) < 0)
err_quit("bind");
//go into listen mode
if( (listen(lsock, 5)) < 0)
err_quit("listen");
while(1){
//accept a connection
if( (asock = accept(lsock, (struct sockaddr *)&csa, &len)) < 0)
perr_quit("accept");
printf("address is %d.%d.%d.%d\n", NIPQUAD(csa.sin_addr.s_addr) );
if(setsockopt(lsock, SOL_SOCKET, SO_RCVBUF, &rbufsz, sizeof(rbufsz)) != 0)
perr_quit("setsockopt");
//spawn a thread for each clien
if(pthread_create(&threadid[x++], NULL, (void *)&f00, (int)asock) != 0)
perr_quit("pthread");
if(nthreads++ >= MAXTHREADS)
break;
}
//wait for all threads
for(x = 0; x < nthreads; x++)
if(pthread_join(threadid[x], NULL) < 0)
perr_quit("pthread join");
//cleanup
close(lsock);
return 0;
}