#!/bin/bash
#
# dhcprelay        This starts and stops dhcprelay.
#
# chkconfig: 345 50 65
# description: System startup script for the DHCP-Relay
#

PATH=/sbin:/bin:/usr/bin:/usr/sbin

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

# Check for missing binaries (stale symlinks should not happen)
DHCPRELAY_BIN=/usr/local/sbin/dhcprelay
test -x $DHCPRELAY_BIN || { echo "Error: Program $DHCPRELAY_BIN not found!"; exit 5; }

# Check for existence of needed config file and read it
DHCPRELAY_CONFIG=/usr/local/etc/dhcprelay.conf
test -r $DHCPRELAY_CONFIG || { echo "Error: Can't open configuration file: $DHCPRELAY_CONFIG!"; exit 6; }
. $DHCPRELAY_CONFIG

# Reset return value
RETVAL=0

start(){
    echo -n $"Starting dhcprelay: "
    # Need to get rid of localization for external services - 
    # it doesn't make much sense to have i18n on the server side here

    LANG=en_US
    LC_TIME=en_US
    LC_ALL=en_US
    LC_MESSAGES=en_US
    LC_NUMERIC=en_US
    LC_MONETARY=en_US
    LC_COLLATE=en_US
    export LANG LC_TIME LC_ALL LC_MESSAGES LC_NUMERIC LC_MONETARY LC_COLLATE
    unset HOME MAIL USER USERNAME
    daemon $DHCPRELAY_BIN $DEVICES $SERVERDEVICE $DHCPSERVER >> $LOGFILE &
    RETVAL=$?
    echo
    touch /var/lock/subsys/dhcprelay
    return $RETVAL
}

stop(){
    echo -n $"Stopping dhcprelay: "
    killproc $DHCPRELAY_BIN
    RETVAL=$?
    echo
    rm -f /var/lock/subsys/dhcprelay
    return $RETVAL

}

reload(){
    stop
    start
}

restart(){
    stop
    start
}

condrestart(){
    [ -e /var/lock/subsys/dhcprelay ] && restart
    return 0
}


# See how we were called.
case "$1" in
    start)
	start
	;;
    stop)
	stop
	;;
    status)
	status $DHCPRELAY_BIN
	;;
    restart)
	restart
	;;
    reload)
	reload
	;;
    condrestart)
	condrestart
	;;
    *)
	echo $"Usage: $0 {start|stop|status|restart|condrestart|reload}"
	RETVAL=1
esac

exit $RETVAL