#!/bin/sh
#
# monitord	This is the init script for starting monitord (ZVEI/POCSAG receiver)
#
# chkconfig: - 66 19
# description: monitord
# processname: monitord
# pidfile: /var/run/monitord.pid
#
# basically taken from /etc/init.d/postgresql for CentOS 6.2

# load functions
. /etc/rc.d/init.d/functions

NAME=`basename $0`

if [ ${NAME:0:1} = "S" -o ${NAME:0:1} = "K" ]
then
	NAME=${NAME:3}
fi

# SELinux
if [ -x /sbin/runuser ]
then
	SU=runuser
else
	SU=su
fi

MONITORD=/opt/monitord/monitord
MONITORD_USER=monitord
MONITORD_CONFIG=/opt/monitord/monitord.xml
MONITORD_OPTS=""
MONITORD_STARTUP_LOG=/tmp/monitord-startup.log

if [[ ! -x $MONITORD ]]
then
	echo 
	echo "$MONITORD is missing or not executable"
	echo
	exit 1
fi

lockfile="/var/lock/subsys/${NAME}"
pidfile="/var/run/monitord.pid"

script_result=0

start() {
	if [ -z "$1" ]
	then
		echo "Waiting 15 seconds for coming up ActiveMQ..."
		sleep 15
	fi

	MONITORD_START="Starting monitord..."
	STARTUP_LINE="$MONITORD -c $MONITORD_CONFIG$MONITORD_OPTS"
	
	$SU -c "$STARTUP_LINE &" - $MONITORD_USER >> "$MONITORD_STARTUP_LOG" 2>&1 #< /dev/null
	sleep 2
	pid=`ps -ef | grep "$STARTUP_LINE" | grep -v "grep" | awk '{ print \$2 }'`

	if [ "x$pid" != x ] 
	then
		success "$MONITORD_START"
		touch "$lockfile"
		echo $pid > "$pidfile"
		echo
	else
		failure "$MONITORD_START"
		echo
		script_result=1
	fi
}

stop() {
	echo -n "Stopping monitord service: "
	if [ -e "$lockfile" ]
	then
		kill `cat $pidfile`
		ret=$?

		if [ $ret -eq 0 ]
		then
			echo_success
			rm -f "$pidfile"
			rm -f "$lockfile"
		else
			echo_failure
			script_result=1
		fi
	else
		echo_success
	fi
	echo
}

restart() {
	stop
	start
}

status() {
        if [ -f $pidfile ]
        then
                pid=`cat $pidfile`

                if  [ "x$pid" != "x" ]
                then
                        pidtest=`ps aux | grep "monitord" | grep -v "grep" | grep -v "monitord status"`

                        if [ "x$pidtest" = "x" ]
                        then
                                rm -f $pidfile
                                echo "Removed stale pid file $pidfile"
                                pid=""
                        else
                                echo "Monitord running"
                                return 0
                        fi

                fi
        fi

        echo "Monitord not started"
        exit 1
}


case "$1" in
	start)
		start
		;;
	start-force)
		start now
		;;
	stop)
		stop
		;;
	restart)
		restart
		;;
 	status)
                status
                ;;
	*)
		echo $"Usage: $0 (start|stop|restart|status)"
		exit 2
esac

exit $script_result