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#!/bin/sh
#
# nfs           This shell script takes care of starting and stopping
#               the NFS services.
#
# chkconfig: 234 60 20
# description: NFS is a popular protocol for file sharing across TCP/IP \
#              networks. This service provides NFS server functionality, \
#              which is configured via the /etc/exports file.
# probe: true

WITHOUT_RC_COMPAT=1

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

# Source networking configuration.
# Check that networking is up.
SourceIfNotEmpty /etc/sysconfig/network && [ "$NETWORKING" != no ] || exit

SourceIfNotEmpty /etc/sysconfig/vserver

NFSD=/usr/sbin/rpc.nfsd
MOUNTD=/usr/sbin/rpc.mountd
EXPORTFS=/usr/sbin/exportfs
RPCINFO=/usr/sbin/rpcinfo
EXPORTS=/etc/exports

[ -x "$NFSD" -a -x "$MOUNTD"  ] || exit

SourceIfNotEmpty /etc/sysconfig/nfs

# set defaults
[ -z "$MOUNTD_NFS_V2" ] && MOUNTD_NFS_V2=auto
[ -z "$MOUNTD_NFS_V3" ] && MOUNTD_NFS_V3=auto
[ -z "$NFSDCOUNT" ] && NFSDCOUNT=8

LOCKFILE=/var/lock/subsys/nfs
RETVAL=0

start()
{
        # Don't start anything when exports is empty
        [ -s "$EXPORTS" ] || return

	# nfsd
	action $"Starting NFS daemon: " $CHBIND $NFSD
	RETVAL=$?
	[ $RETVAL -eq 0 ] || return

	# mountd
        [ -n "$MOUNTD_PORT" ] \
	    && MOUNTD_OPTIONS="$MOUNTD_OPTIONS -P $MOUNTD_PORT"
        [ "$MOUNTD_TCP" = "no" -o "$MOUNTD_TCP" = "NO" ] \
	    && MOUNTD_OPTIONS="$MOUNTD_OPTIONS --no-tcp"

	msg_starting $"NFS mount"
	start_daemon --no-announce -- $CHBIND $MOUNTD $MOUNTD_OPTIONS
	RETVAL=$?
	[ $RETVAL -eq 0 ] || return

	touch "$LOCKFILE"
	return $RETVAL
}

stop()
{
	# Stop daemons.
	msg_stopping $"NFS mount"
	stop_daemon --no-announce -- $MOUNTD

	msg_stopping $"NFS daemon"
	stop_daemon --no-announce -- $NFSD


	# Do it the last so that clients can still access the server
	# when the server is running.
	RETVAL=$?
	[ $RETVAL -eq 0 ] && rm -f "$LOCKFILE"
	return $RETVAL
}

restart()
{
	stop
	start
}

reload()
{
	action "Reexporting NFS file systems:" kill -SIGHUP $NFSD
	RETVAL=$?
	[ $RETVAL -eq 0 ] && touch "$LOCKFILE"
	return $RETVAL
}

statuses()
{
	status $MOUNTD
	status $NFSD
	RETVAL=$?
}

# See how we were called.
case "$1" in
	start)
		start
		;;
	stop)
		stop
		;;
	restart)
		restart
		;;
	reload)
		reload
		;;
	condstop)
		if [ -e "$LOCKFILE" ]; then
			stop
		fi
		;;
	condrestart)
		if [ -e "$LOCKFILE" ]; then
			restart
		fi
		;;
	status)
		statuses
		;;
	*)
		msg_usage "${0##*/} {start|stop|reload|restart|condstop|condrestart|status}"
		RETVAL=1
esac

exit $RETVAL