#!/sbin/sh
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
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# CDDL HEADER END
#
#
# Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#
#pragma ident	"%Z%%M%	%I%	%E% SMI"

# Start/stop processes required for server NFS

. /lib/svc/share/smf_include.sh
zone=`smf_zonename`

case "$1" in
'start')
	# The NFS server is not supported in a local zone
	if smf_is_nonglobalzone; then
		/usr/sbin/svcadm disable -t svc:/network/nfs/server
		echo "The NFS server is not supported in a local zone"
		sleep 5 &
		exit $SMF_EXIT_OK
	fi

	# Share all file systems enabled for sharing. sharemgr understands
	# regular shares and ZFS shares and will handle both. Technically,
	# the shares would have been started long before getting here since
	# nfsd has a dependency on them.

	startnfsd=0

	# restart stopped shares from the repository
	/usr/sbin/sharemgr start -P nfs -a

	# Start up mountd and nfsd if anything is exported.

	if /usr/bin/grep -s nfs /etc/dfs/sharetab >/dev/null; then
		startnfsd=1
	fi

	# If auto-enable behavior is disabled, always start nfsd

	if [ `svcprop -p application/auto_enable nfs/server` = "false" ]; then
		startnfsd=1
	fi

	# Options for nfsd are now set in /etc/default/nfs
	if [ $startnfsd -ne 0 ]; then
		/usr/lib/nfs/mountd
		rc=$?
		if [ $rc != 0 ]; then
			/usr/sbin/svcadm mark -t maintenance svc:/network/nfs/server
			echo "$0: mountd failed with $rc"
			sleep 5 &
			exit $SMF_EXIT_ERR_FATAL
		fi

		/usr/lib/nfs/nfsd
		rc=$?
		if [ $rc != 0 ]; then
			/usr/sbin/svcadm mark -t maintenance svc:/network/nfs/server
			echo "$0: nfsd failed with $rc"
			sleep 5 &
			exit $SMF_EXIT_ERR_FATAL
		fi
	else
		/usr/sbin/svcadm disable -t svc:/network/nfs/server
		echo "No NFS filesystems are shared"
		sleep 5 &
	fi

	;;

'refresh')
	/usr/sbin/sharemgr start -P nfs -a
	;;

'stop')
	/usr/bin/pkill -x -u 0,1 -z $zone '(nfsd|mountd)'

	# Unshare all shared file systems using NFS

	/usr/sbin/sharemgr stop -P nfs -a

	#
	# Wait up to 10 seconds for nfslogd to gracefully handle SIGHUP
	#
	/usr/bin/pkill -HUP -x -u 0 -z $zone nfslogd
	wtime=10

	while [ $wtime -gt 0 ]; do
		/usr/bin/pgrep -x -u 0 -z $zone nfslogd >/dev/null || break
		wtime=`expr $wtime - 1`
		sleep 1
	done

	#
	# Kill nfslogd more forcefully if it did not shutdown during
	# the grace period
	#
	if [ $wtime -eq 0 ]; then
		/usr/bin/pkill -TERM -x -u 0 -z $zone nfslogd
	fi

	# Kill any processes left in service contract
	smf_kill_contract $2 TERM 1
	[ $? -ne 0 ] && exit 1
	;;

*)
	echo "Usage: $0 { start | stop | refresh }"
	exit 1
	;;
esac
exit $SMF_EXIT_OK