net/freeswitch-stable/files/freeswitch.hotplug

   1 #!/bin/sh
   2
   3 FS=freeswitch
   4 DEFAULT=/etc/default/$FS
   5 LOGGER="/usr/bin/logger -t ${FS}-hotplug"
   6 LOG_ERR="$LOGGER -p user.err --"
   7 LOG_NOTICE="$LOGGER -p user.notice --"
   8 LOG_WARN="$LOGGER -p user.warn --"
   9
  10 [ "$ACTION" = ifup ] || exit 0
  11
  12 [ -f $DEFAULT ] && . $DEFAULT
  13
  14 [ -n "$FS_HOTPLUG_INTERFACE" ] || exit 0
  15
  16 [ "$INTERFACE" = "$FS_HOTPLUG_INTERFACE" ] || exit 0
  17
  18 pgrep $FS &> /dev/null
  19 if [ $? -eq 0 ]; then
  20   $LOG_NOTICE Stopping $FS
  21   /etc/init.d/$FS stop &> /dev/null
  22   pgrep $FS &> /dev/null
  23   if [ $? -eq 0 ]; then
  24     $LOG_ERR Failed to stop $FS
  25     exit 1
  26   else
  27     $LOG_NOTICE $FS stopped
  28   fi
  29 fi
  30
  31 [ "$FS_HOTPLUG_TIMEOUT" -gt 0 ] 2> /dev/null || unset FS_HOTPLUG_TIMEOUT
  32 TIMEOUT="${FS_HOTPLUG_TIMEOUT:-60}"
  33
  34 # Mount condition, idea lifted from OpenWrt wiki
  35 [ -n "$FS_HOTPLUG_MOUNTPOINT" ] && {
  36
  37   if ! [ -d "$FS_HOTPLUG_MOUNTPOINT" ]; then
  38     $LOG_ERR "$FS_HOTPLUG_MOUNTPOINT" not a valid mount point
  39     exit 1
  40   fi
  41
  42   mnt="$FS_HOTPLUG_MOUNTPOINT"
  43   notReady=start
  44   timeout=$TIMEOUT
  45
  46   while [ -n "$notReady" -a $timeout -gt 0 ]; do
  47     if [ "$notReady" != start ]; then
  48       $LOG_NOTICE "$mnt" not yet mounted, timeout in $timeout s
  49       sleep 5
  50       timeout=$(($timeout-5))
  51     fi
  52
  53     notReady=
  54
  55     result=$(cat /proc/mounts | awk '{print $2}' | grep "^$mnt\$")
  56     if [ -z "$result" ]; then
  57       notReady="$mnt not ready yet"
  58     fi
  59   done
  60
  61   if [ -n "$notReady" ]; then
  62     $LOG_ERR "$mnt" still not mounted
  63     $LOG_ERR Not starting $FS
  64     exit 1
  65   else
  66     $LOG_NOTICE "$mnt" mounted
  67   fi
  68
  69 }
  70
  71 # ntpd condition
  72 [ -n "$FS_HOTPLUG_NTPD" ] && {
  73
  74   type ntpq &> /dev/null
  75   [ $? -eq 0 ] || {
  76     $LOG_ERR ntpq utility not found
  77     exit 1
  78   }
  79
  80   pgrep ntpd &> /dev/null || {
  81     $LOG_ERR ntpd not running
  82     exit 1
  83   }
  84
  85   notReady=start
  86   timeout=$TIMEOUT
  87
  88   result=$(uci get 'system.ntp.enabled' 2> /dev/null)
  89   [ "$result" -eq 1 ] 2> /dev/null && {
  90     $LOG_WARN BusyBox NTP client _and_ ntpd running
  91   }
  92
  93   while [ -n "$notReady" -a $timeout -gt 0 ]; do
  94     if [ "$notReady" != start ]; then
  95       $LOG_NOTICE System time not in sync yet, timeout in $timeout s
  96       sleep 5
  97       timeout=$(($timeout-5))
  98     fi
  99
 100     notReady=
 101
 102     result=$(ntpq -c 'timeout 300' -c 'rv 0 stratum' 2> /dev/null | \
 103                     awk -F '=' '{print $2}' | grep -o -E '^[0-9]+')
 104     if [ -z $result ]; then
 105       $LOG_WARN Failed to extract stratum from ntpd
 106       notReady="unable to extract stratum"
 107     else
 108       $LOG_NOTICE ntpd stratum $result
 109       if [ $result -lt 16 ] 2> /dev/null; then
 110         result=$(ntpq -c 'timeout 300' -c 'rv 0 offset' 2> /dev/null \
 111                  | awk -F '=' '{print $2}' | grep -o -E '^-?[0-9]+')
 112         if [ -z $result ]; then
 113           $LOG_WARN Failed to extract offset from ntpd
 114           notReady="unable to extract offset"
 115         else
 116           # "-0" looks stupid, so remove "-"
 117           result=$(echo $result | grep -o '[0-9]*')
 118           $LOG_NOTICE ntpd to system time offset \+\/\- $result ms
 119           # If offset < 100 ms consider system time in sync
 120           [ $result -lt 100 ] || notReady="system time not in sync yet"
 121         fi
 122       else
 123         notReady="ntpd not in sync yet"
 124       fi
 125     fi
 126   done
 127
 128   if [ -n "$notReady" ]; then
 129     $LOG_ERR System time still not in sync
 130     $LOG_ERR Not starting $FS
 131     exit 1
 132   else
 133     $LOG_NOTICE System time in sync
 134   fi
 135
 136 }
 137
 138 /etc/init.d/$FS start &> /dev/null
 139 # Wait a bit in order for pgrep to be able to find the new process
 140 sleep 1
 141 pgrep $FS &>/dev/null
 142 if [ $? -eq 0 ]; then
 143   $LOG_NOTICE Started $FS due to \"ifup "$INTERFACE"\" event
 144 else
 145   $LOG_ERR Start of $FS due to \"ifup "$INTERFACE"\" event failed
 146   exit 1
 147 fi