naywatch/files/naywatch.init

   1 #!/bin/sh /etc/rc.common
   2
   3 . /usr/share/libubox/jshn.sh
   4
   5 USE_PROCD=1
   6 START=95
   7 STOP=01
   8
   9 log() {
  10     local msg="$1"
  11     logger -t naywatch "$msg"
  12 }
  13
  14 wait_for_network()
  15 {
  16     ubus -t 15 wait_for network.interface.$1 2>/dev/null
  17 }
  18
  19 boot()
  20 {
  21     local _interfaces
  22     config_load naywatch
  23     config_get _interfaces general interface
  24
  25     for interface in $_interfaces; do
  26         wait_for_network interface
  27     done
  28
  29     rc_procd start_service
  30 }
  31
  32 start_service() {
  33     procd_open_instance
  34
  35     config_load naywatch
  36     local _check_interval
  37     local _watchdog_timeout
  38     local _use_watchdog
  39     local _save_logs
  40     local _interfaces
  41
  42     config_get _check_interval general "check_interval"
  43     config_get _watchdog_timeout general "watchdog_timeout"
  44     config_get _use_watchdog general "use_watchdog"
  45     config_get _save_logs general "save_logs"
  46     config_get _interfaces general "interface"
  47
  48     procd_set_param command /usr/bin/naywatch "$_check_interval" "$_watchdog_timeout" "$_use_watchdog" "$_save_logs" "$_interfaces"
  49
  50     procd_set_param respawn 3600 15 0
  51
  52     procd_set_param stdout 1
  53     procd_set_param stderr 1
  54
  55     procd_close_instance
  56 }
  57
  58 stop_service() {
  59     exec 3>&- # close file again
  60     sync && wait
  61 }
  62
  63 watchdog_procd_runnig() {
  64         watch=$(ubus call system watchdog)
  65         json_load "$watch"
  66         json_get_var watchdogstatus status
  67         if [[ "$watchdogstatus" == "running" ]] ; then
  68         echo "1"
  69         return
  70         fi
  71     echo "0"
  72 }
  73
  74 service_stopped() {
  75     log "Naywatch Stopped!"
  76     log "Try to handover watchdog to procd again."
  77     for i in 1 2 3 4 5 6 7 8 9 10 ; do
  78         sleep 5
  79         ubus call system watchdog '{"stop":false}' > /dev/null
  80         if [[ $(watchdog_procd_runnig) == "1" ]] ; then
  81             break
  82         fi
  83     done
  84     if [[ $(watchdog_procd_runnig) == "1" ]] ; then
  85         log "Handover sucessfully!"
  86     else
  87         log "Handover to procd failed! Device can reboot!"
  88     fi
  89 }