utils/hd-idle/files/hd-idle.init

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (C) 2008 OpenWrt.org
   3 START=50
   4
   5 SSD=start-stop-daemon
   6 NAME=hd-idle
   7 PROG=/usr/bin/$NAME
   8
   9 append_bool() {
  10         local section="$1"
  11         local option="$2"
  12         local value="$3"
  13         local _val
  14         config_get_bool _val "$section" "$option" '0'
  15         [ "$_val" -gt 0 ] && append args "$3"
  16 }
  17
  18 append_string() {
  19         local section="$1"
  20         local option="$2"
  21         local value="$3"
  22         local _val
  23         config_get _val "$section" "$option"
  24         [ -n "$_val" ] && append args "$3 $_val"
  25 }
  26
  27 compute_seconds() {
  28         local interval="$1"
  29         local unit="$2"
  30
  31         if [ -z "$interval" ]
  32         then
  33                 interval=10
  34         fi
  35
  36         if [ -z "$unit" ]
  37         then
  38                 unit="minutes"
  39         fi
  40
  41         # compute interval in seconds
  42         case "$unit" in
  43                 "days" )
  44                         interval_seconds=$(($interval*60*60*24))
  45                         ;;
  46                 "hours" )
  47                         interval_seconds=$(($interval*60*60))
  48                         ;;
  49                 "minutes" )
  50                         interval_seconds=$(($interval*60))
  51                         ;;
  52                 "seconds" )
  53                         interval_seconds=$interval
  54                         ;;
  55                 * )
  56                         # default is minutes
  57                         interval_seconds=$(($interval*60))
  58                         ;;
  59         esac
  60
  61         echo $interval_seconds
  62 }
  63
  64 start_service() {
  65         local section="$1"
  66         args=""
  67         config_get "interval" "$section" "idle_time_interval"
  68         config_get "unit" "$section" "idle_time_unit"
  69         append_string "$section" "disk" "-t"
  70         append_bool "$section" "enable_debug" "-d"
  71         config_get_bool "enabled" "$section" "enabled" '1'
  72         [ "$enabled" -gt 0 ] && $SSD -S -q -x $PROG -- "-i $(compute_seconds $interval $unit) $args"
  73 }
  74
  75 stop_service() {
  76         $SSD -K -q -x $PROG
  77 }
  78
  79 start() {
  80         config_load "hd-idle"
  81         config_foreach start_service "hd-idle"
  82 }
  83
  84 stop() {
  85         config_load "hd-idle"
  86         config_foreach stop_service "hd-idle"
  87 }