static void
watchdog_on_timer(void)
{
int is_ap_mode;
/* if timer is set to less than 1 sec, then check buttons only */
if (wd_itv.it_value.tv_sec == 0) {
int i_ret = 0;
/* handle buttons */
#if defined (BOARD_GPIO_BTN_RESET)
i_ret |= btn_check_reset();
#endif
#if defined (BOARD_GPIO_BTN_WPS)
i_ret |= btn_check_wps();
#endif
#if defined (BOARD_GPIO_BTN_WLTOG)
i_ret |= btn_check_wlt();
#endif
if (i_ret) {
if (wd_itv.it_value.tv_usec != WD_URGENT_PERIOD)
wd_alarmtimer(0, WD_URGENT_PERIOD);
} else {
wd_alarmtimer(WD_NORMAL_PERIOD, 0);
}
return;
}
is_ap_mode = get_ap_mode();
/* check for time-dependent services */
svc_timecheck();
/* http server check */
httpd_process_check();
/* DNS/DHCP server check */
if (!is_ap_mode)
dnsmasq_process_check();
inet_handler(is_ap_mode);
/* update kernel timezone daylight */
setkernel_tz();
storage_save_time(10);
}
/* wathchdog is runned in NORMAL_PERIOD, 1 seconds
* check in each NORMAL_PERIOD
* 1. button
*
* check in each NORAML_PERIOD*10
*
* 1. ntptime
* 2. time-dependent service
* 3. http-process
*/
static void watchdog(int sig)
{
/* handle button */
btn_check_reset();
btn_check_ez();
/* if timer is set to less than 1 sec, then bypass the following */
if (itv.it_value.tv_sec == 0) return;
if (nvram_match("reboot", "1")) return;
// watchdog interval = 10s
watchdog_period = (watchdog_period + 1) % 10;
if (watchdog_period) return;
/* check for time-dependent services */
svc_timecheck();
/* http server check */
httpd_processcheck();
nmap_handler();
inet_handler();
}