#!/bin/sh
#
# dhcrelay      This shell script takes care of starting and stopping
#               dhcrelay.
#
# chkconfig: - 66 34
# description: dhcrelay provides a relay for Dynamic Host Control Protocol.

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

# Source networking configuration.
. /etc/sysconfig/network

# Source dhcrelay configuration. We can't default a DHCPSERVERS entry!
if [ -f /etc/sysconfig/dhcrelay ] ; then
	. /etc/sysconfig/dhcrelay
	[ -n "$DHCPSERVERS" ] || exit 0
else
	exit 0
fi

# Check that networking is up.
[ ${NETWORKING} = "no" ] && exit 0

[ -f /usr/sbin/dhcrelay ] || exit 0

RETVAL=0
prog="dhcrelay"

start() {
	# Start daemons.
	echo -n $"Starting $prog: "
	daemon /usr/sbin/dhcrelay \
		$([ -n "$INTERFACES" ] && for int in $INTERFACES ; do echo -n " -i $int" ; done) \
		$DHCPSERVERS
	RETVAL=$?
	echo
	[ $RETVAL -eq 0 ] && touch /var/lock/subsys/dhcrelay
	return $RETVAL
}

stop() {
	# Stop daemons.
	echo -n $"Shutting down $prog: "
	killproc dhcrelay
	RETVAL=$?
	echo
	[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/dhcrelay
	return $RETVAL
}

# See how we were called.
case "$1" in
  start)
	start
	;;
  stop)
	stop
	;;
  restart|reload)
	stop
	start
	RETVAL=$?
	;;
  condrestart)
	if [ -f /var/lock/subsys/dhcrelay ]; then
	    stop
	    start
	    RETVAL=$?
	fi
	;;
  status)
	status dhcrelay
	RETVAL=$?
	;;
  *)
	echo $"Usage: $0 {start|stop|restart|condrestart|status}"
	exit 1
esac

exit $RETVAL