static void *server_worker(void *arg)
{
struct request *req;
while (1) {
pthread_mutex_lock(&req_mutex);
while (STAILQ_EMPTY(&requestq)) {
pthread_cond_wait(&req_cond, &req_mutex);
}
req = STAILQ_FIRST(&requestq);
STAILQ_REMOVE_HEAD(&requestq, link);
pthread_mutex_unlock(&req_mutex);
server_process_request(req);
}
return NULL;
}
int32_t
server_do(server_p srv)
{
fd_set fdset;
int32_t n, fd;
assert(srv != NULL);
/* Copy cached version of the fd set and call select */
memcpy(&fdset, &srv->fdset, sizeof(fdset));
n = select(srv->maxfd + 1, &fdset, NULL, NULL, NULL);
if (n < 0) {
if (errno == EINTR)
return (0);
log_err("Could not select(%d, %p). %s (%d)",
srv->maxfd + 1, &fdset, strerror(errno), errno);
return (-1);
}
/* Process descriptors */
for (fd = 0; fd < srv->maxfd + 1 && n > 0; fd ++) {
if (!FD_ISSET(fd, &fdset))
continue;
assert(srv->fdidx[fd].valid);
n --;
if (srv->fdidx[fd].server)
server_accept_client(srv, fd);
else if (server_process_request(srv, fd) != 0)
server_close_fd(srv, fd);
}
return (0);
}
/*
* Do one server iteration
*/
bool
server_do(server_t *srv)
{
fd_set fdset;
int n, fd;
assert(srv != NULL);
memcpy(&fdset, &srv->fdset, sizeof(fdset));
n = select(srv->fdmax + 1, &fdset, NULL, NULL, NULL);
if (n == -1) {
if (errno == EINTR)
return true;
log_err("Could not select(%d, %p). %s (%d)",
srv->fdmax + 1, &fdset, strerror(errno), errno);
return false;
}
for (fd = 0; fd < srv->fdmax + 1 && n > 0; fd++) {
if (!FD_ISSET(fd, &fdset))
continue;
assert(srv->fdidx[fd].valid);
if (srv->fdidx[fd].server)
server_accept_client(srv, fd);
else if (!server_process_request(srv, fd))
server_close_fd(srv, fd);
n--;
}
return true;
}
