static void fdw_poll_handle(void)
{
register unsigned i;
int changed;
t_fdwatch_fd *cfd;
for(i = 0; i < nofds && sr; i++) {
changed = 0;
cfd = fdw_fds + _rridx[i];
if (fdw_rw(cfd) & fdwatch_type_read &&
fds[i].revents & (POLLIN | POLLERR | POLLHUP | POLLNVAL))
{
if (fdw_hnd(cfd)(fdw_data(cfd), fdwatch_type_read) == -2) {
sr--;
continue;
}
changed = 1;
}
if (fdw_rw(cfd) & fdwatch_type_write &&
fds[i].revents & (POLLOUT | POLLERR | POLLHUP | POLLNVAL))
{
fdw_hnd(cfd)(fdw_data(cfd), fdwatch_type_write);
changed = 1;
}
if (changed) sr--;
}
}
static int fdw_select_cb(t_fdwatch_fd *cfd, void *data)
{
// eventlog(eventlog_level_trace, __FUNCTION__, "idx: %d fd: %d", idx, fdw_fd->fd);
if (fdw_rw(cfd) & fdwatch_type_read && PSOCK_FD_ISSET(fdw_fd(cfd), rfds)
&& fdw_hnd(cfd)(fdw_data(cfd), fdwatch_type_read) == -2) return 0;
if (fdw_rw(cfd) & fdwatch_type_write && PSOCK_FD_ISSET(fdw_fd(cfd), wfds))
fdw_hnd(cfd)(fdw_data(cfd), fdwatch_type_write);
return 0;
}
extern int fdwatch_del_fd(int idx)
{
if (idx < 0 || idx >= fdw_maxcons) {
ERROR2("out of bounds idx [{}] (max: {})", idx, fdw_maxcons);
return -1;
}
t_fdwatch_fd *cfd = fdw_fds + idx;
if (!fdw_rw(cfd)) {
ERROR0("found reseted rw");
return -1;
}
fdw->del(idx);
/* remove it from uselist, add it to freelist */
uselist.remove(*cfd);
freelist.push_back(*cfd);
fdw_fd(cfd) = 0;
fdw_rw(cfd) = 0;
fdw_data(cfd) = NULL;
fdw_hnd(cfd) = NULL;
return 0;
}
void
FDWKqueueBackend::handle()
{
/* eventlog(eventlog_level_trace, __FUNCTION__, "called"); */
for (unsigned i = 0; i < sr; i++)
{
/* eventlog(eventlog_level_trace, __FUNCTION__, "checking %d ident: %d read: %d write: %d", i, kqevents[i].ident, kqevents[i].filter & EVFILT_READ, kqevents[i].filter & EVFILT_WRITE); */
t_fdwatch_fd *cfd = fdw_fds + (unsigned long)kqevents[i].udata;
if (fdw_rw(cfd) & fdwatch_type_read && kqevents[i].filter == EVFILT_READ)
if (fdw_hnd(cfd) (fdw_data(cfd), fdwatch_type_read) == -2)
continue;
if (fdw_rw(cfd) & fdwatch_type_write && kqevents[i].filter == EVFILT_WRITE)
fdw_hnd(cfd) (fdw_data(cfd), fdwatch_type_write);
}
sr = 0;
}
void
FDWEpollBackend::handle()
{
// eventlog(eventlog_level_trace, __FUNCTION__, "called");
for (struct epoll_event *ev = epevents.get(); sr; sr--, ev++)
{
// eventlog(eventlog_level_trace, __FUNCTION__, "checking %d ident: %d read: %d write: %d", i, kqevents[i].ident, kqevents[i].filter & EVFILT_READ, kqevents[i].filter & EVFILT_WRITE);
t_fdwatch_fd *cfd = fdw_fds + ev->data.fd;
if (fdw_rw(cfd) & fdwatch_type_read && ev->events & (EPOLLIN | EPOLLERR | EPOLLHUP))
if (fdw_hnd(cfd) (fdw_data(cfd), fdwatch_type_read) == -2)
continue;
if (fdw_rw(cfd) & fdwatch_type_write && ev->events & (EPOLLOUT | EPOLLERR | EPOLLHUP))
fdw_hnd(cfd) (fdw_data(cfd), fdwatch_type_write);
}
sr = 0;
}
extern int fdwatch_add_fd(int fd, unsigned rw, fdwatch_handler h, void *data)
{
/* max sockets reached */
if (freelist.empty()) return -1;
t_fdwatch_fd *cfd = &freelist.front();
fdw_fd(cfd) = fd;
if (fdw->add(fdw_idx(cfd), rw)) return -1;
/* add it to used sockets list, remove it from free list */
uselist.push_back(*cfd);
freelist.remove(*cfd);
fdw_rw(cfd) = rw;
fdw_data(cfd) = data;
fdw_hnd(cfd) = h;
return fdw_idx(cfd);
}
