void loop_epoll(server_t *server)
{
int epollfd = epoll_create1(0);
if (epollfd == -1) err_exit("epoll_create1");
add_to_epoll(epollfd, server->listen_fd);
struct epoll_event *events = calloc(LOOP_EPOLL_MAXEVENTS, sizeof(struct epoll_event));
while (!server->quit) {
int n = epoll_wait(epollfd, events, LOOP_EPOLL_MAXEVENTS, -1);
int i;
for (i = 0; i < n; i++) {
if ((events[i].events & EPOLLERR) || (events[i].events & EPOLLHUP) || (!(events[i].events & EPOLLIN))) {
err_message("epoll error, closing %d\n", events[i].data.fd);
close(events[i].data.fd);
continue;
}
else if (server->listen_fd == events[i].data.fd) { /* incoming connections. */
struct sockaddr addr;
socklen_t in_len = sizeof addr;
int newfd = accept(server->listen_fd, &addr, &in_len);
printf("Accepted connection on descriptor %d ", newfd);
add_to_epoll(epollfd, newfd);
}
else { /* incoming data */
command_t command = get_next_command(events[i].data.fd);
process_command(server, &command);
}
}
}
free(events);
close(server->listen_fd);
}
int create_timer(int interval_value , int epoll_fd)
{
int timer_fd = timerfd_create(CLOCK_REALTIME , 0);
if(timer_fd < 0)
{
LOG_ERROR("In create_timer : timerfd_create error : %s" , STR_ERROR);
return -1;
}
struct timespec interval;
interval.tv_sec = interval_value;
interval.tv_nsec = 0;
struct itimerspec spec;
spec.it_value = interval;
spec.it_interval = interval;
if(timerfd_settime(timer_fd , TFD_TIMER_ABSTIME , &spec , NULL) < 0)
{
LOG_ERROR("In create_timer : timerfd_settime error : %s" , STR_ERROR);
close(timer_fd);
return -1;
}
if(add_to_epoll(epoll_fd , timer_fd , EPOLLIN , NULL) < 0)
{
LOG_ERROR("In create_timer : all timer %d to epoll error !" , timer_fd);
close(timer_fd);
return -1;
}
return timer_fd;
}
