void * listener(void * args) {
int max,i,j, nsfd, usfd = -1; char buf[BUFSIZE];
printf("Ticket Counter Started !\n"); struct timeval tv;
fd_set rfds;
while(1) {
FD_ZERO(&rfds);
max = -1;
for(j=0; j<MAXC; j++) {
FD_SET(sfds[j], &rfds);
if(max < sfds[j])
max = sfds[j];
}
tv.tv_sec = 1; tv.tv_usec = 0;
int res = select(max+1, &rfds, NULL, NULL, &tv);
if(res < 0) {
printf("select() ");
continue;
}
for(i=0; i<MAXC; i++) {
if(FD_ISSET(sfds[i], &rfds)){
nsfd = tcp_accept(sfds[i]);
if(seatfull) {
printf("seatfull\n");
write(nsfd, "-1", 2);
close(nsfd);
} else {
write(nsfd, "Which Multiplex (1,2,3) ? ", 28);
read(nsfd, buf, BUFSIZE);
int id = atoi(buf);
printf("Requested for Multiplex %d\n", id);
sprintf(buf, "%d", tkt_no++);
write(nsfd, buf, strlen(buf));
if(usfd < 0) {
strcpy(buf, "/tmp/sockpath1");
usfd = init_sockconnect(buf);
if(usfd < 0) {
perror("init_sockconnect() ");
}
}
if(usfd > 0) {
if(send_fd(usfd, nsfd) < 0) {
perror("send_fd() ");
}
}
}
}
}
}
}
int main(int argc, char const *argv[]) {
pthread_t pid;
pthread_mutex_init(&lock, NULL);
int usfd, nusfd, sfd, n, _tmp_usfd = -1; char buf[BUFSIZE];
usfd = init_sockbind("/tmp/sockpath1");
if(usfd < 0) {
perror("init_sockbind() ");
exit(1);
}
pthread_create(&pid, NULL, &runner, NULL);
nusfd = sock_accept(usfd);
if(nusfd < 0) {
perror("sock_accept() ");
exit(1);
}
while(1) {
int nsfd = recv_fd(nusfd);
if(nsfd < 0) {
perror("recv_fd() ");
continue;
}
if(nsfd_cnt == MAXF) {
if(_tmp_usfd < 0) {
strcpy(buf, "/tmp/sockpath2");
_tmp_usfd = init_sockconnect(buf);
if(_tmp_usfd < 0) {
perror("init_sockconnect() ");
}
}
if(_tmp_usfd > 0) {
if(send_fd(_tmp_usfd, nsfd) < 0) {
perror("send_fd() ");
}
}
printf("client forwarded !\n");
continue;
}
// pthread_mutex_lock(&lock);
write(nsfd, "C Multiplex", 11);
nsfds[nsfd_cnt++] = nsfd;
// pthread_mutex_unlock(&lock);
printf("client added !\n");
}
return 0;
}
int main(int argc,char **argv)
{
if(argc < 2) {
printf("Usage: ./service <temperory_sock_path>\n");
exit(1);
}
int usfd = init_sockconnect(argv[1]);
if(usfd < 0){
printf("sock() error\n");
exit(1);
}
int fd,n; char buf[256];
printf("Process 2 Started !!\n");
int i=0;
while(1)
{
fd = recvfd(usfd);
if(fd < 0) {
perror("recv_fd() ");
exit(1);
}
int pid=fork();
if(pid == 0)
{
while(1)
{
bzero(buf,sizeof(buf));
n=read(fd,buf,100);
if(n > 0)
{
printf("Client:%d %s\n",i,buf);
}
}
}
else
{
close(fd);
i++;
}
}
return 0;
}