#!/bin/sh
#
# nfslock       This shell script takes care of starting and stopping
#               the NFS file locking service.
#
# chkconfig: 345 31 50
# description: NFS is a popular protocol for file sharing across \
#	       TCP/IP networks. This service provides NFS file \
#	       locking functionality.
# probe: true

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

# Source networking configuration.
if [ ! -f /etc/sysconfig/network ]; then
    exit 0
fi

[ -r /etc/sysconfig/nfs ] && . /etc/sysconfig/nfs

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

[ -x /sbin/rpc.statd ] || exit 0

RETVAL=0
if [ -n "${STATD_HOSTNAME}" ]; then
    STATDARG="-n ${STATD_HOSTNAME}"
else
    STATDARG=""
fi

start() {
	# Make sure rpc.statd is not already running
	if status rpc.statd > /dev/null; then
	 exit 0
	fi
	rm -f /var/lock/subsys/rpc.statd

	# Make sure locks are recovered
	rm -f /var/run/sm-notify.pid

	# Start daemons.
	# See if the kernel lockd should start up 
	# listening on a particular port
	#
	if [ -n "$LOCKD_TCPPORT" -o -n "$LOCKD_UDPPORT" ]; then
		LOCKDARG=""
		[ -n "$LOCKD_TCPPORT" ] && LOCKDARG="nlm_tcpport=$LOCKD_TCPPORT"
		[ -n "$LOCKD_UDPPORT" ] && \
			LOCKDARG="$LOCKDARG nlm_udpport=$LOCKD_UDPPORT"
		[ -n "$LOCKDARG" ]  && \
			modprobe lockd $LOCKDARG
	fi

	echo -n $"Starting NFS statd: "
	# See if a statd's local hostname is defined
	[ -n "${STATD_HOSTNAME}" ] && STATDARG="$STATDARG -n ${STATD_HOSTNAME}"

	# See if a statd's ports has been defined
	[ -n "$STATD_PORT" ] && STATDARG="$STATDARG -p $STATD_PORT"
	[ -n "$STATD_OUTGOING_PORT" ] \
		&& STATDARG="$STATDARG -o $STATD_OUTGOING_PORT"

	# See if we have an HA-callout program specified
	[ -n "$STATD_HA_CALLOUT" ] \
		&& STATDARG="$STATDARG -H $STATD_HA_CALLOUT"
	daemon rpc.statd "$STATDARG"
	RETVAL=$?
	echo
	[ $RETVAL -eq 0 ] && touch /var/lock/subsys/nfslock
    return $RETVAL
}

stop() {
	# Stop daemons.
	if [ -n "`pidofproc lockd`" ]; then
		echo -n $"Stopping NFS locking: "
		killproc lockd -KILL
		echo
	fi

	echo -n $"Stopping NFS statd: "
	killproc rpc.statd
	RETVAL=0
	echo
	rm -f /var/lock/subsys/nfslock
	rm -f /var/run/sm-notify.pid
	return $RETVAL
}

# See how we were called.
case "$1" in
  start)
	start
	;;
  stop)
	stop
	;;
  status)
	if [ "$USERLAND_LOCKD" ]; then
		status lockd
	fi
	status rpc.statd
	;;
  restart)
        stop
	start
	;;
  probe)
	if [ ! -f /var/lock/subsys/nfslock ] ; then
		echo $"start"; exit 0
	fi
	/sbin/pidof rpc.statd >/dev/null 2>&1; STATD="$?"
	if [ "$USERLAND_LOCKD" ]; then
		/sbin/pidof lockd >/dev/null 2>&1; LOCKD="$?"
	else
		LOCKD=0
	fi
	if [ $STATD = 1 -o $LOCKD = 1 ] ; then
		echo $"restart"; exit 0
	fi
	;;
  condrestart)
	[ -f /var/lock/subsys/nfslock ] && {
		stop
		start
	}
	;;
  *)
	echo $"Usage: $0 {start|stop|status|restart|probe|condrestart}"
	exit 1
esac

exit 0