int ab_event_poll(int timer) {
int i;
int rc;
int events;
ab_connection_t *c;
rc = epoll_wait(ep, event_list, nevents, timer);
ab_log_debug("ab_event.c->ab_event_poll->epoll_wait() return:%d", rc);
if (-1 == rc) {
if (EINTR == errno) {
return 0;
}
ab_log_error("ab_event.c->ab_event_poll->epoll_wait() failed, return:%d, errno:%d", rc, errno);
return -1;
}
for (i = 0; i < rc; i++) {
c = event_list[i].data.ptr;
events = event_list[i].events;
if (events & EPOLLIN) {
c->event_read = 1;
}
if (events & EPOLLOUT) {
c->event_write = 1;
}
if (events & (EPOLLERR | EPOLLHUP)) {
c->event_error = 1;
}
ab_connection_handler(c);
}
return 0;
}
void
ab_connection_recv(ab_connection_t *c) {
ab_buf_t *buf;
int rc, n;
buf = c->rcv_buf;
while (1) {
n = buf->last - buf->pos;
if (n <= 0) {
buf = ab_buf_enlarge(buf);
if (buf == NULL) {
ab_log_error("ab_buf_enlarge() failed %d", c->idx);
c->error = 1;
break;
}
/* recalucate available space */
n = buf->last - buf->pos;
}
ab_log_debug("recv buf %d", n);
rc = recv(c->fd, buf->pos, n, 0);
if (rc == 0) {
ab_log_info("server close connection %d", c->idx);
c->closed = 1;
break;
}
if (rc < 0) {
if (errno != EAGAIN && errno != EINTR) {
ab_log_error("recv(%d) failed", c->fd);
c->error = 1;
}
break;
}
ab_log_debug("recv %d bytes", rc);
/* rc > 0 */
buf->pos += rc;
}
}