#! /bin/sh
#
# smstools	Startup script for the SMS Server Tools
#
# Based on upstream sms3 script
# Modified for Debian by Patrick Schoenfeld <schoenfeld@debian.org>

### BEGIN INIT INFO
# Provides:          smstools
# Required-Start:    $syslog $remote_fs
# Required-Stop:     $syslog $remote_fs
# Should-Start:      
# Should-Stop:       
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: starts smstools
### END INIT INFO

PATH=/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/sbin/smsd
DEFAULT=/etc/default/smstools
NAME=smsd
PACKAGE=smstools
DESC='SMS Daemon'

test -x $DAEMON || exit 0

. /lib/lsb/init-functions

if [ ! -f /etc/default/$PACKAGE ]
then
	exit 1
else
	. /etc/default/smstools
fi

start () {
	# Recreate /var/run/smstools if it went missing
	rundir="/var/run/smstools"
	if [ ! -d $rundir ]; then
	    # Create directory
	    mkdir -p $rundir

	    # Set permissions
	    if ! dpkg-statoverride --list $rundir >/dev/null 2>&1 ; then
		dpkg-statoverride --update --add smsd smsd 2755 $rundir
	    else
		# Get user/group/perms from dpkg-statoverride
		# We go through this torture, because the user should be able
		# to override the permissions for /v/r/smstools via
		# dpkg-statoverride
		D_USER="`dpkg-statoverride --list $rundir|cut -d' ' -f1`"
		D_GROUP="`dpkg-statoverride --list $rundir|cut -d' ' -f2`"
		PERMS="`dpkg-statoverride --list $rundir|cut -d' ' -f3`"

		chown ${D_USER}:${D_GROUP} $rundir
		chmod ${PERMS} $rundir
	    fi
	fi

	if ! ps -C smsd > /dev/null 2>&1 ; then
		# Delete infofile if it exists
		if [ -f $INFOFILE ]; then
			rm $INFOFILE
		fi

		if [ -f $PIDFILE ]; then
			rm $PIDFILE
		fi

		# Delete lock files if they exist
		find /var/spool/sms -name '*.LOCK' -exec rm \{\} \;
	fi

	# Start the daemon
	ARGS="-p$PIDFILE -i$INFOFILE -u$USER -g$GROUP"
	if start-stop-daemon -q --start --background -p $PIDFILE --exec $DAEMON -- $ARGS ; then
		echo "$NAME."
	else
		echo "$NAME already running."
	fi

	sleep 1
}

forcestop ()
{
	if [ -f $PIDFILE ]; then
                PID=`cat $PIDFILE 2>/dev/null`
        fi

        if ! kill -0 $PID 2>/dev/null 2>/dev/null; then
                echo "$NAME not running."
        else
		kill -9 $PID
		if [ -f $PIDFILE ]; then
			rm $PIDFILE
		fi

		if kill -0 $PID 2>/dev/null 2>/dev/null; then
			echo "Failed."
		else
			echo "$NAME."
		fi
	fi
}

status()
{
	if [ ! -f $PIDFILE ]; then
		return 1;
	fi

    start-stop-daemon --start --quiet -p $PIDFILE --exec $DAEMON --test > /dev/null
    if [ "$?" = '0' ]; then
		return 1    # Daemon is not running
    else
        return 0    # Daemon is running
    fi
}

stop () {

	restartmode="0"

	if [ "$1" = 'restart' ]; then
		restartmode=1
	fi

	if [ -f $PIDFILE ]; then
		PID=`cat $PIDFILE 2>/dev/null`
	fi

	if ! kill -0 $PID 2>/dev/null 2>/dev/null; then
		echo "$NAME not running."

		if [ "$restartmode" -lt 1 ]
		then
			return 0
		fi
	fi

	infofound=0
	maxwait=15

	start-stop-daemon --stop --quiet --pidfile $PIDFILE --exec $DAEMON

	#
	#	Now we have to wait until smsd has _really_ stopped
	#
	sleep 1

	if test -n "$PID" && kill -0 $PID 2>/dev/null
	then
		echo -n "(waiting..."

		seconds=0
		while kill -0 $PID 2>/dev/null
		do
			if [ $infofound -lt 1 ]; then
				if [ -f $INFOFILE ]; then
					infofound=1
				fi
			fi

			if [ $infofound -lt 1 ]; then
				seconds=`expr $seconds + 1`
			fi

			if [ $seconds -ge $maxwait ]; then
				echo -n "failed)"
				echo -n "Timeout occured, killing smsd hardly."

				kill -9 $PID
				if [ -f $PIDFILE ]; then
					rm $PIDFILE
				fi

				echo ""
				exit 0
			fi

			sleep 1
		done

		echo -n "done)"
	fi

	if [ "$restartmode" -lt 1 ]; then
		echo "$NAME."
	fi
}

case "$1" in
	start)
		echo -n "Starting $DESC: "
		start
	;;

	stop)
		echo -n "Stopping $DESC: "
		stop
	;;

	status)
		echo -n "Status of $DESC: "
		status
		case "$?" in
        	0)
                echo "$NAME is running."
                ;;
            1)
                echo "$NAME is not running."
				;;
		esac
	;;
	force-stop)
		echo -n "Forcing stop of $DESC: "
		force-stop
		echo "$NAME."

	;;

	restart|force-reload)
		echo -n "Restarting $DESC: "
		stop restart
		start
	;;

	*)
		echo "Usage: /etc/init.d/$NAME {start|stop|force-stop|force-reload|restart|status}"
		exit 3
	;;
esac

exit 0