Files
smartdns/src/timer.c

71 lines
1.6 KiB
C

/*************************************************************************
*
* Copyright (C) 2018-2023 Ruilin Peng (Nick) <pymumu@gmail.com>.
*
* smartdns is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* smartdns is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "timer.h"
#include "timer_wheel.h"
static struct tw_base *dns_timer_base = NULL;
int dns_timer_init(void)
{
struct tw_base *tw = tw_init_timers();
if (tw == NULL) {
return -1;
}
dns_timer_base = tw;
return 0;
}
void dns_timer_destroy(void)
{
if (dns_timer_base != NULL) {
tw_cleanup_timers(dns_timer_base);
dns_timer_base = NULL;
}
}
void dns_timer_add(struct tw_timer_list *timer)
{
if (dns_timer_base == NULL) {
return;
}
tw_add_timer(dns_timer_base, timer);
}
int dns_timer_del(struct tw_timer_list *timer)
{
if (dns_timer_base == NULL) {
return 0;
}
return tw_del_timer(dns_timer_base, timer);
}
int dns_timer_mod(struct tw_timer_list *timer, unsigned long expires)
{
if (dns_timer_base == NULL) {
return 0;
}
return tw_mod_timer(dns_timer_base, timer, expires);
}