root/freepbx/trunk/start_asterisk

#!/usr/bin/env bash
# This file is part of FreePBX.
#
#    FreePBX is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 2 of the License, or
#    (at your option) any later version.
#
#    FreePBX is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with FreePBX.  If not, see <http://www.gnu.org/licenses/>.
#
#    Copyright 2007, Philippe Lindheimer
#
ROOT_UID=0   # root uid is 0
E_NOTROOT=67   # Non-root exit error

echo
# check to see if we are root
if [ "$UID" -ne "$ROOT_UID" ]
then
  echo "Sorry, you must be root to run this script."
  echo
  exit $E_NOTROOT
fi

check_asterisk() {
# check to see if asterisk is running
# Note, this isn't fool-proof.  If safe_asterisk is constantly restarting a dying asterisk, then there is a chance pidof will return non zero.  
# We call this twice to reduce chances of this happening
pid_length=`pidof asterisk|awk '{print length($0)}'`
  if [ "$pid_length" == "0" -a "$pid_length" != "" ]
    then
        killall -9 safe_asterisk
        killall -9 mpg123 > /dev/null
        echo
        echo "-----------------------------------------------------"
        echo "Asterisk could not start!"
        echo "Use 'tail $ASTLOGDIR/full' to find out why."
        echo "-----------------------------------------------------"
        exit 0
    fi
}

run_asterisk() {
# check to see if asterisk is running
echo
echo "STARTING ASTERISK"
pid_length=`pidof asterisk|awk '{print length($0)}'`
  if [ "$pid_length" != "0" -a "$pid_length" != "" ]
    then
      echo "Asterisk is already running"
    else
      # su - asterisk -c "export PATH=$PATH:/usr/sbin && export LD_LIBRARY_PATH=/usr/local/lib && /usr/sbin/safe_asterisk"
      export LD_LIBRARY_PATH=/usr/local/lib
      /usr/sbin/safe_asterisk -U asterisk -G asterisk
      sleep 5
      check_asterisk
      sleep 1
      check_asterisk
      echo "Asterisk Started"
    fi
}

stop_asterisk() {
echo
echo "STOPPING ASTERISK"
pid_length=`pidof asterisk|awk '{print length($0)}'`
  if [ "$pid_length" != "0" -a "$pid_length" != "" ]
    then
      /usr/sbin/asterisk -rx "stop gracefully"
      echo "Asterisk Stopped"
    fi
}

kill_amp() {
  echo
  echo "KILLING AMP PROCESSES"
  killall -9 safe_asterisk
  killall -9 asterisk
  killall -9 mpg123
  ps -ef | grep safe_opserver | grep -v grep | awk '{print $2}' | xargs kill -9
  killall -9 op_server.pl
}

case "$1" in
  start)
    run_asterisk
  ;;
  stop)
    stop_asterisk
  ;;
  restart)
    stop_asterisk
    sleep 1
    run_asterisk
  ;;
  kill)
    kill_amp
  ;;
  *)
    echo "-------------FreePBX Control Script-----------------------------------------------"
    echo
    echo "Usage:       amportal start|stop|restart|start_fop|stop_fop|restart_fop|kill|chown"
    echo
    echo "start:       Starts Asterisk and Flash Operator Panel server if enabled"
    echo "stop:        Gracefully stops Asterisk and the FOP server"
    echo "restart:     Stop and Starts"
    echo "kill:        Kills Asterisk and the FOP server"
    echo
    exit 1
  ;;
esac