bool server_tick(server_t server, int timeout_ms) {
int i;
int numready;
bool raft_ready = false;
#ifdef USE_EPOLL
struct epoll_event events[MAX_EVENTS];
numready = epoll_wait(server->epollfd, events, MAX_EVENTS, timeout_ms);
if (numready < 0) {
shout("failed to epoll: %s\n", strerror(errno));
return false;
}
for (i = 0; i < numready; i++) {
stream_t stream = (stream_t)events[i].data.ptr;
if (stream == NULL) {
server_accept(server);
} else if (stream == &server->raft_stream) {
raft_ready = true;
} else {
if (events[i].events & EPOLLERR) {
stream->good = false;
} else if (events[i].events & EPOLLIN) {
server_stream_handle(server, stream);
}
}
}
#else
fd_set readfds = server->all;
struct timeval timeout = ms2tv(timeout_ms);
numready = select(server->maxfd + 1, &readfds, NULL, NULL, &timeout);
if (numready == -1) {
shout("failed to select: %s\n", strerror(errno));
return false;
}
if (FD_ISSET(server->listener, &readfds)) {
numready--;
server_accept(server);
}
if ((server->raft_stream.good) && FD_ISSET(server->raft_stream.fd, &readfds)) {
numready--;
raft_ready = true;
}
stream_t s;
for (s = server_used_chain; (s != NULL) && (numready > 0); s = s->next) {
if (FD_ISSET(s->fd, &readfds)) {
server_stream_handle(server, s);
numready--;
}
}
#endif
server_close_bad_streams(server);
server_flush(server);
return raft_ready;
}
void server_loop(server_t server) {
while (1) {
int i;
fd_set readfds = server->all;
debug("selecting\n");
int numready = select(server->maxfd + 1, &readfds, NULL, NULL, NULL);
if (numready == -1) {
shout("failed to select: %s\n", strerror(errno));
return;
}
if (FD_ISSET(server->listener, &readfds)) {
numready--;
server_accept(server);
}
for (i = 0; (i < server->streamsnum) && (numready > 0); i++) {
stream_t stream = server->streams + i;
if (FD_ISSET(stream->fd, &readfds)) {
server_stream_handle(server, stream);
numready--;
}
}
server_close_bad_streams(server);
server_flush(server);
}
}