libwebsockets/minimal-examples-lowlevel/http-server/minimal-http-server-eventlib-foreign/libevent.c

85 lines
1.8 KiB
C

/*
* lws-minimal-http-server-eventlib-foreign
*
* Written in 2010-2020 by Andy Green <andy@warmcat.com>
*
* This file is made available under the Creative Commons CC0 1.0
* Universal Public Domain Dedication.
*
* The libevent specific code
*/
#include <libwebsockets.h>
#include <event2/event.h>
#include <string.h>
#include <signal.h>
#include "private.h"
static struct event_base *loop_event;
static struct event *timer_outer_event;
static struct event *sighandler_event;
static void
timer_cb_event(evutil_socket_t fd, short event, void *arg)
{
foreign_timer_service(loop_event);
}
static void
signal_cb_event(evutil_socket_t fd, short event, void *arg)
{
signal_cb((int)(lws_intptr_t)arg);
}
static void
foreign_event_loop_init_and_run_libevent(void)
{
struct timeval tv;
/* we create and start our "foreign loop" */
tv.tv_sec = 1;
tv.tv_usec = 0;
event_enable_debug_mode();
loop_event = event_base_new();
sighandler_event = evsignal_new((struct event_base *)loop_event, SIGINT, signal_cb_event,
(void*)SIGINT);
timer_outer_event = event_new((struct event_base *)loop_event, -1, EV_PERSIST,
timer_cb_event, NULL);
//evtimer_new(loop_event, timer_cb_event, NULL);
evtimer_add(timer_outer_event, &tv);
event_base_loop(loop_event, 0);
}
static void
foreign_event_loop_stop_libevent(void)
{
event_base_loopexit(loop_event, NULL);
}
static void
foreign_event_loop_cleanup_libevent(void)
{
/* cleanup the foreign loop assets */
evtimer_del(timer_outer_event);
event_free(timer_outer_event);
evsignal_del(sighandler_event);
event_free(sighandler_event);
event_base_loop(loop_event, 0);
event_base_free(loop_event);
}
const struct ops ops_libevent = {
foreign_event_loop_init_and_run_libevent,
foreign_event_loop_stop_libevent,
foreign_event_loop_cleanup_libevent
};