net/freeswitch-stable/files/freeswitch.hotplug

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