#!/bin/sh
#
# nfslock       This shell script takes care of starting and stopping
#               the NFS file locking service.
#
# chkconfig: 345 14 86
# description: NFS is a popular protocol for file sharing across \
#	       networks. This service provides NFS file locking \ 
#          functionality.
# probe: true

### BEGIN INIT INFO
# Provides: nfslock
# Required-Start: $network $syslog
# Required-Stop: $network $syslog
# Default-Start: 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Start up the NFS file locking sevice
# Description: NFS is a popular protocol for file sharing across \
#          networks. This service provides NFS file locking \ 
#          functionality.
### END INIT INFO

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

# Source networking configuration.
if [ ! -f /etc/sysconfig/network ]; then
    exit 6
fi

# Check for and source configuration file
LOCKDARG=""
STATDARG=""
[ -f /etc/sysconfig/nfs ] && . /etc/sysconfig/nfs

[ -f /etc/sysconfig/network ] && . /etc/sysconfig/network

RETVAL=0
start() {
	# Check that networking is up.
	[ "${NETWORKING}" = "no" ] && exit 6

	[ -x /sbin/rpc.statd ] || exit 5 

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

	# 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 
		[ -x /sbin/modprobe ] && /sbin/modprobe lockd $LOCKDARG
		[ -n "$LOCKD_TCPPORT" ] && \
			/sbin/sysctl -w fs.nfs.nlm_tcpport=$LOCKD_TCPPORT >/dev/null 2>&1
		[ -n "$LOCKD_UDPPORT" ] && \
			/sbin/sysctl -w fs.nfs.nlm_udpport=$LOCKD_UDPPORT >/dev/null 2>&1
	fi

	echo -n $"Starting NFS statd: "
	# Set statd's local hostname if defined
	[ -n "${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 $"Stopping NFS statd: "
	killproc rpc.statd
	RETVAL=$?
	echo
	rm -f /var/lock/subsys/nfslock
	rm -f /var/run/sm-notify.pid
	return $RETVAL
}

# See how we were called.
case "$1" in
  start)
        start
	;;
  stop)
  	stop
	;;
  status)
	status rpc.statd
	RETVAL=$?
	;;
  restart)
	stop
	start
	;;
  probe)
	if [ ! -f /var/lock/subsys/nfslock ] ; then
	  echo $"start"; exit 0
	fi
	/sbin/pidof rpc.statd >/dev/null 2>&1
	if [ $? = 1 ] ; then
	  echo $"restart"; exit 0
	fi
	;;
  condrestart)
  	[ -f /var/lock/subsys/nfslock ] && {
		stop
		start
		RETVAL=$?
	}
	;;
  condstop)
  	[ -f /var/lock/subsys/nfslock ] && {
		stop
		RETVAL=$?
	}
	;;
  *)
	echo $"Usage: $0 {start|stop|status|restart|probe|condrestart|condstop}"
	RETVAL=3
	;;
esac

exit $RETVAL