#!/bin/sh
#
# Startup script for ospfd
# will be run by rc.zebra, 
# so don't need to run this script from the command line
#
# processname: ospfd
# pidfile: /var/run/ospfd.pid
# config: /etc/ospfd/ospfd.conf
# chkconfig: 35 21 79
# description: Start and stop ospfd

# Global definitions
DEMON=ospfd
PID_FILE="/var/run/${DEMON}.pid"

#-------------------------------------
COUNT=`grep -c ^ospfd /etc/services`
if [ "$COUNT" = "0" ]
then
	"$0 needs ospfd 2604/tcp  entry in /etc/services, exiting"
	exit 1
fi


ospfd_start()
{
	#is $DEMON running?
	#(can have multiple copies, but should only have one)
	COUNT=`netstat -an | grep -c /tmp/.${DEMON}$`
	if [ "$COUNT" = "0" ]
	then
		echo -n "$DEMON "
		/usr/sbin/$DEMON &
	else
		echo "$0: $DEMON already running, nothing done"
	fi
}

ospfd_stop()
{
	if [ -f $PID_FILE ]
	then
		kill `cat $PID_FILE`
		rm -rf $PID_FILE
		#if things have got out of step,
		#then the PID_FILE #doesn't neccessarily have the PID of $DEMON,
		#and the above command will try to kill a process that doesn't exist.
		#did we kill a process that existed
		if [ "$?" = "0" ]
		then
			true
		else
			killall $DEMON
			rm -rf $PID_FILE
		fi
		logger -p local0.notice "$DEMON: stop"
	else
		#no PID file found
		COUNT=`netstat -an | grep -c /tmp/.${DEMON}$`
		if [ "$COUNT" = "0" ]
		then
			logger "$0: no $DEMON to kill"
		else
			killall $DEMON
			rm -rf $PID_FILE
			logger -p local0.notice "$DEMON: stop"
		fi
	fi
}
# See how we were called.
case "$1" in
  start)
	ospfd_start
	;;
  stop)
	ospfd_stop
	;;
  restart)
	ospfd_stop
	#don't know if this is neccessary, but just in case
	sleep 1
	ospfd_start
	;;
  reload)
	#echo -n "Reloading $DEMON config: "
	kill -HUP `cat $PID_FILE`
	if [ "$?" != "0" ]
        then
                echo "$0: reload failed, executing restart"
                $0 restart
        fi
	;;
  *)
	echo "Usage: $0 {start|stop|restart|reload}"
	exit 1
esac

exit 0