#!/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 \

#	       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

# Check for and source configuration file

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

. /etc/sysconfig/network

# Check that networking is up.

[ "${NETWORKING}" = "no" ] && exit 0

# Start lockd from userland only if kernel <= 2.2.18

OS_RELEASE=`uname --release`

OS_RELEASE_MAJOR=`echo "$OS_RELEASE" | sed 's/\(^[0-9]\)\..*/\1/'`

OS_RELEASE_MINOR=`echo "$OS_RELEASE" | sed 's/\(^[0-9]\)\.\([0-9]*\)\..*/\2/'`

OS_RELEASE_VERSION=`echo "$OS_RELEASE" | sed 's/\(^[0-9]\)\.\([0-9]*\)\.\([0-9]*\).*/\3/'`

if [ "$OS_RELEASE_MAJOR" -le 2 -a "$OS_RELEASE_MINOR" -le 2 -a "$OS_RELEASE_VERSION" -le 18 ] ; then

    USERLAND_LOCKD="yes"

else

    USERLAND_LOCKD=

fi

if [ "$USERLAND_LOCKD" ] ; then

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

fi

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

RETVAL=0

if [ -n "${STATD_HOSTNAME}" ]; then

    STATDARG="-n ${STATD_HOSTNAME}"

else

    STATDARG=""

fi

start() {

    if [ ! -f /var/lock/subsys/nfslock ]; then

	# Start daemons.

	if [ "$USERLAND_LOCKD" ]; then

	  echo -n $"Starting NFS locking: "

	  daemon rpc.lockd

	  echo

	fi  

	echo -n $"Starting NFS statd: "

	# 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"

	daemon rpc.statd "$STATDARG"

	RETVAL=$?

	echo

	[ $RETVAL -eq 0 ] && touch /var/lock/subsys/nfslock

    fi

    return $RETVAL

}

stop() {

	# Stop daemons.

	echo -n $"Stopping NFS locking: "

	if [ "$USERLAND_LOCKD" ]; then

	   killproc lockd

	else

	   killproc lockd -KILL

	fi

	echo

	echo -n $"Stopping NFS statd: "

	killproc rpc.statd

	RETVAL=0

	echo

	[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/nfslock

	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