/* 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();
}
/* 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
* 4. usb hotplug status
*/
void watchdog(void)
{
/* handle button */
btn_check();
/* if timer is set to less than 1 sec, then bypass the following */
if (itv.it_value.tv_sec == 0) return;
if (nvram_match("asus_mfg", "1"))
{
system("rmmod hw_nat");
if (pids("ntp"))
system("killall -SIGTERM ntp");
if (pids("ntpclient"))
system("killall ntpclient");
if (pids("udhcpc"))
system("killall -SIGTERM udhcpc");
#if (!defined(W7_LOGO) && !defined(WIFI_LOGO))
if (pids("ots"))
system("killall ots");
#endif
stop_wanduck();
stop_logger();
stop_upnp(); // it may cause upnp cannot run
stop_dhcpd();
stop_dns();
#if (!defined(W7_LOGO) && !defined(WIFI_LOGO))
stop_pspfix();
#endif
stop_wsc();
stop_wsc_2g();
stop_lltd();
stop_networkmap();
stop_httpd();
stop_lpd();
stop_u2ec();
kill_pidfile_s("/var/run/linkstatus_monitor.pid", SIGTERM);
if (pids("detectWan"))
system("killall detectWan");
#if (!defined(W7_LOGO) && !defined(WIFI_LOGO))
stop_rstats();
kill_pidfile_s("/var/run/detect_internet.pid", SIGTERM);
#endif
if (pids("tcpcheck"))
system("killall -SIGTERM tcpcheck");
#ifdef HTTPD_CHECK
if (pids("httpdcheck"))
system("killall -SIGTERM httpdcheck");
#endif
if (pids("traceroute"))
system("killall traceroute");
if (pids("usbled"))
system("killall -SIGTERM usbled");
nvram_set("asus_mfg", "2");
}
#if 0
// reboot signal checking
if (nvram_match("reboot", "1"))
{
printf("[watchdog] nvram match reboot\n");
reboot_count++;
if (reboot_count >= 2)
{
// kill(1, SIGTERM);
sys_exit();
}
return;
}
#else
if (nvram_match("reboot", "1")) return;
#endif
if (stop_service_type_99) return;
if (!nvram_match("asus_mfg", "0")) return;
watchdog_period = (watchdog_period + 1) % 10;
if (watchdog_period) return;
#ifdef BTN_SETUP
if (btn_pressed_setup >= BTNSETUP_START) return;
#endif
#if (!defined(W7_LOGO) && !defined(WIFI_LOGO))
if (count_to_stop_wps > 0)
{
count_to_stop_wps--;
if (!count_to_stop_wps)
{
// if (nvram_match("wl_radio_x", "1"))
stop_wsc(); // psp fix
// if (nvram_match("rt_radio_x", "1"))
stop_wsc_2g(); // psp fix
nvram_set("wps_enable", "0"); // psp fix
}
}
#endif
ddns_timer = (ddns_timer + 1) % 4320;
if (nvram_match("asus_debug", "1"))
mem_timer = (mem_timer + 1) % 60;
if (!watchdog_count)
watchdog_count++;
else if (watchdog_count++ == 1)
{
#if 0
if (!strcmp(nvram_safe_get("rc_service"), "restart_upnp"))
service_handle();
else
#endif
if ( nvram_match("router_disable", "0") &&
nvram_match("upnp_enable", "1") &&
nvram_match("upnp_started", "0") )
{
// if (has_wan_ip())
{
dbg("[watchdog] starting upnp...\n");
stop_upnp();
start_upnp();
}
}
}
/* check for time-dependent services */
svc_timecheck();
/* http server check */
httpd_processcheck();
u2ec_processcheck();
media_processcheck();
#if 0
samba_processcheck();
#endif
pppd_processcheck();
if (nvram_match("wan_route_x", "IP_Routed"))
nm_processcheck();
cpu_usage_minotor();
dm_block_chk();
if (nvram_match("asus_debug", "1") && !mem_timer)
{
print_num_of_connections();
dbg("Hardware NAT: %s\n", is_hwnat_loaded() ? "Enabled": "Disabled");
dbg("Software QoS: %s\n", nvram_match("qos_enable", "1") ? "Enabled": "Disabled");
dbg("pppd running: %s\n", pids("pppd") ? "Yes": "No");
#if 0
dbg("CPU usage: %d%%\n", get_cpu_usage());
#else
dbg("CPU usage: %d%%\n", cpu_main(0, NULL, 0));
#endif
system("free");
system("date");
print_uptime();
}
#ifdef CDMA
/* CDMA_DOWN = 99, none
* CDMA_DOWN = 1, currently down
* CDMA_DOWN = 2, currently up
* CDMA_DOWN = 0, currently trying to connect
*/
if (nvram_match("cdma_down", "1"))
{
logmessage("CDMA client", "cdma is down(%d)!", cdma_down);
cdma_down++;
cdma_connec t = 0;
if (cdma_down == 2)
{
printf("[watchdog] stop wan\n");
stop_wan();
start_wan();
}
else if (cdma_down >= 12) /* 2 minutes timeout for retry */
{
cdma_down = 0;
}
}
else if (nvram_match("cdma_down", "0"))
{
logmessage("CDMA client", "cdma try connect(%d)!", cdma_connect);
cdma_down = 0;
cdma_connect++;
if (cdma_connect > 12) /* 2 minitues timeout for connecting */
{
nvram_set("cdma_down", "1");
}
}
else
{
cdma_down = 0;
cdma_connect = 0;
}
#endif
if (nvram_match("wan_route_x", "IP_Routed"))
{
if (!is_phyconnected() || !has_wan_ip())
return;
/* sync time to ntp server if necessary */
if (!nvram_match("wan_dns_t", "") && !nvram_match("wan_gateway_t", ""))
{
ntp_timesync();
}
if ( nvram_match("ddns_enable_x", "1") &&
(!nvram_match("ddns_updated", "1") || !ddns_timer)
)
{
logmessage("RT-N56U", "[start ddns] watchdog");
start_ddns();
}
if (!ddns_timer)
{
stop_networkmap();
start_networkmap();
}
}
else
{
if (/*!nvram_match("lan_dns_t", "") && */!nvram_match("lan_gateway_t", ""))
ntp_timesync();
}
}