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#!/bin/bash
#
# mrtg          This shell script starts mrtg
#
# Author:       Stefan SF <stefan@sf-net.com>
#
# chkconfig:    345 90 35
#
# description:  mrtg The Multi Router Traffic Grapher
# processname:  mrtg
# config:       /etc/mrtg/mrtg.conf
#
### BEGIN INIT INFO
# Provides: mrtg
# Required-Start: $network
# Default-Stop: 0 1 6
# Short-Description: Starts the The Multi Router Traffic Grapher
# Description: The Multi Router Traffic Grapher (MRTG) is a tool to monitor \
#              the traffic load on network-links. MRTG generates HTML pages \
#              containing GIF/PNG images which provide a live visual \
#              representation of this traffic.
### END INIT INFO

# source function library
. /etc/rc.d/init.d/functions

MRTG="/usr/bin/mrtg"
CONFIG="/etc/mrtg/mrtg.cfg"
PIDFILE="/var/run/mrtg.pid"
LOCKFILE="/var/lock/mrtg/mrtg"
OPTIONS="--daemon"

RETVAL=0

start() {
	echo -n $"Enabling MRTG: "
	rm -f ${LOCKFILE} 2> /dev/null
	env LANG=C ${MRTG} --pid-file=${PIDFILE} --lock-file=${LOCKFILE} ${OPTIONS} ${CONFIG}
	RETVAL=$?
	echo
}

stop() {
	echo -n $"Disabling MRTG: "
	kill `cat ${PIDFILE}` && rm -f ${LOCKFILE}
	RETVAL=$?
	echo
}

restart() {
	stop
	start
}

case "$1" in
  start)
	start
	;;
  stop) 
	stop
	;;
  restart|force-reload)
	restart
	;;
  status)
	if [ -f $LOCKFILE ]; then
		echo $"MRTG is enabled."
		RETVAL=0
	else
		echo $"MRTG is disabled."
		RETVAL=3
	fi
	;;
  *)
	echo $"Usage: $0 {start|stop|status|restart|force-reload}"
	exit 1
esac

exit $RETVAL