1/*
2 * lws-minimal-http-server-eventlib-foreign
3 *
4 * Written in 2010-2020 by Andy Green <andy@warmcat.com>
5 *
6 * This file is made available under the Creative Commons CC0 1.0
7 * Universal Public Domain Dedication.
8 *
9 * The libev specific code
10 */
11
12#include <libwebsockets.h>
13
14#include <ev.h>
15
16#include <string.h>
17#include <signal.h>
18
19#include "private.h"
20
21static struct ev_loop *loop_ev;
22static struct ev_timer timer_outer_ev;
23static struct ev_signal sighandler_ev;
24
25static void
26timer_cb_ev(struct ev_loop *loop, struct ev_timer *watcher, int revents)
27{
28	foreign_timer_service(loop_ev);
29}
30
31static void
32signal_cb_ev(struct ev_loop *loop, struct ev_signal *watcher, int revents)
33{
34	signal_cb(watcher->signum);
35}
36
37static void
38foreign_event_loop_init_and_run_libev(void)
39{
40	/* we create and start our "foreign loop" */
41
42	loop_ev = ev_loop_new(0);
43
44	ev_signal_init(&sighandler_ev, signal_cb_ev, SIGINT);
45	ev_signal_start(loop_ev, &sighandler_ev);
46
47	ev_timer_init(&timer_outer_ev, timer_cb_ev, 0, 1);
48	ev_timer_start(loop_ev, &timer_outer_ev);
49
50	ev_run(loop_ev, 0);
51}
52
53static void
54foreign_event_loop_stop_libev(void)
55{
56	ev_break(loop_ev, EVBREAK_ALL);
57}
58
59static void
60foreign_event_loop_cleanup_libev(void)
61{
62	/* cleanup the foreign loop assets */
63
64	ev_timer_stop(loop_ev, &timer_outer_ev);
65	ev_signal_stop(loop_ev, &sighandler_ev);
66
67	ev_run(loop_ev, 0);
68	ev_loop_destroy(loop_ev);
69}
70
71const struct ops ops_libev = {
72	foreign_event_loop_init_and_run_libev,
73	foreign_event_loop_stop_libev,
74	foreign_event_loop_cleanup_libev
75};
76
77