#include "poll.h"

static void event_callback(struct ev_loop *loop, ev_io *w, s32 revents)
{
    (void)loop;
    struct nn_poll *poll = (struct nn_poll *)w->data;
    poll->callback(poll->userdata, revents);
}

void nn_poll_init(struct nn_poll *poll, void (*callback)(void *, s32 revents), void *userdata)
{
    poll->callback = callback;
    poll->userdata = userdata;
    poll->event.data = poll;
    ev_init_n(&poll->event, event_callback);
}

void nn_poll_set(struct nn_poll *poll, s32 fd, s32 events)
{
    ev_io_set(&poll->event, fd, events);
}

void nn_poll_start(struct nn_poll *poll, struct nn_event_loop *loop)
{
    poll->loop = loop;
    ev_io_start(poll->loop->ev, &poll->event);
}

void nn_poll_stop(struct nn_poll *poll)
{
    ev_io_stop(poll->loop->ev, &poll->event);
}