#! /bin/sh
### BEGIN INIT INFO
# Provides:             asterisk
# Required-Start:    $network $syslog $named $local_fs $remote_fs
# Required-Stop:     $network $syslog $named $local_fs $remote_fs
# Should-Start:      dahdi misdn lcr wanrouter mysql postgresql
# Should-Stop:       dahdi misdn lcr wanrouter mysql postgresql
# Default-Start:        2 3 4 5
# Default-Stop:         0 1 6
# Short-Description:    Asterisk PBX
# Description:          the Asterisk Open Source PBX
### END INIT INFO
 
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
NAME=asterisk
USER=asterisk
GROUP=asterisk
DESC="Asterisk PBX"
# Full path to asterisk binary
DAEMON=/usr/sbin/asterisk
ASTVARRUNDIR=/var/run/asterisk
ASTETCDIR=/etc/asterisk
TRUE=/bin/true
 
mkdir -p /var/run/asterisk/ || $TRUE
chown -R $USER:$GROUP /var/run/asterisk/
 
set -e
 
if ! [ -x $DAEMON ] ; then
        echo "ERROR: $DAEMON not found"
        exit 0
fi
 
if ! [ -d $ASTETCDIR ] ; then
        echo "ERROR: $ASTETCDIR directory not found"
        exit 0
fi
 
# Use the LSB standard functions for services management
. /lib/lsb/init-functions
 
# Allow configuration overrides in /etc/default/asterisk
CONFIG0=`readlink $0 || :` # readlink returns 1 when something isn't a symlink
if [ "$CONFIG0" = "" ]; then
        CONFIGFILE=/etc/default/`basename $0`
else
        CONFIGFILE=/etc/default/`basename $CONFIG0`
fi
[ -r $CONFIGFILE ] && . $CONFIGFILE
 
case "$1" in
  start)
        # Check if Asterisk is already running.  If it is, then bug out, because
        # starting up Asterisk when Asterisk is already running is very bad.
        VERSION=`${DAEMON} -rx 'core show version' 2>/dev/null || ${TRUE}`
        if [ "`echo $VERSION | cut -c 1-8`" = "Asterisk" ]; then
                echo "Asterisk is already running.  $0 will exit now."
                exit 0
        fi
 
        log_begin_msg "Starting $DESC: $NAME"
        if [ ! -d $ASTVARRUNDIR ]; then
                mkdir -p $ASTVARRUNDIR
        fi
        if [ $AST_USER ] ; then
                ASTARGS="-U $AST_USER"
                chown $AST_USER $ASTVARRUNDIR
        fi
        if [ $AST_GROUP ] ; then
                ASTARGS="$ASTARGS -G $AST_GROUP"
                chgrp $AST_GROUP $ASTVARRUNDIR
        fi
        if [ $ALTCONF ]; then
                ASTARGS="$ASTARGS -C \"$ALTCONF\""
        fi
        if [ "x$COREDUMP" = "xyes" ]; then
                ASTARGS="$ASTARGS -g"
        fi
        if [ "0$MAXLOAD" -gt "0" ]; then
                ASTARGS="$ASTARGS -L $MAXLOAD"
        fi
        if [ "0$MAXCALLS" -gt "0" ]; then
                ASTARGS="$ASTARGS -M $MAXCALLS"
        fi
        if [ "0$VERBOSITY" -gt "0" ]; then
                for i in `seq 1 $VERBOSITY`; do
                        ASTARGS="$ASTARGS -v"
                done
                # -v implies -f, so we override that implicit specification here
                ASTARGS="$ASTARGS -F"
        fi
        if [ "x$INTERNALTIMING" = "xyes" ]; then
                ASTARGS="$ASTARGS -I"
        fi
        if [ "x$TEMPRECORDINGLOCATION" = "xyes" -o "x$TMPRECORDINGLOCATION" = "xyes" ]; then
                ASTARGS="$ASTARGS -t"
        fi
        if test "x$COLOR" = "xno" ; then
                ASTARGS="$ASTARGS -n"
        fi
        # "start-stop-daemon --oknodo" returns 0 even if Asterisk was already running (as LSB expects):
        start-stop-daemon --start --oknodo --exec $DAEMON -- $ASTARGS
        log_end_msg $?
        ;;
  stop)
        log_begin_msg "Stopping $DESC: $NAME"
        # "start-stop-daemon --oknodo" returns 0 even if Asterisk was already stopped (as LSB expects):
        start-stop-daemon --stop --oknodo --exec $DAEMON
        log_end_msg $?
        ;;
  reload)
        echo "Reloading $DESC configuration files."
        $DAEMON -rx 'module reload' > /dev/null 2> /dev/null
        ;;
  restart|force-reload)
        $0 stop
        sleep 2  # It needs some time to really be stopped.
        $0 start
        # "restart|force-reload" starts Asterisk and returns 0 even if Asterisk was stopped (as LSB expects).
        ;;
  status)
       status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
       ;;
  *)
        N=/etc/init.d/$NAME
        echo "Usage: $N {start|stop|restart|reload|force-reload|status}" >&2
        exit 1
        ;;
esac