#!/sbin/runscript
#
# $Id: //depot/autofs-4.0/samples/rc.autofs.in#4 $
#
# rc file for automount using a Sun-style "master map".
# We first look for a local /etc/auto.master, then a YP
# map with that name
#
# On most distributions, this file should be called:
# /etc/rc.d/init.d/autofs or /etc/init.d/autofs
#

#
# Location of the automount daemon and the init directory
#
DAEMON=/usr/sbin/automount
initdir=/etc/init.d

depend() {
	need net localmount	
	use ypbind nfs
}

opts="start stop status stats reload restart"

#
# We can add local options here
# e.g. localoptions='rsize=8192,wsize=8192'
#
localoptions=''

#
# Daemon options
# e.g. --timeout 60
#
daemonoptions=''

#
# This function will build a list of automount commands to execute in
# order to activate all the mount points. It is used to figure out
# the difference of automount points in case of a reload
#
function getmounts()
{
#
# Check for local maps to be loaded
#
if [ -f /etc/auto.master ]
then
    cat /etc/auto.master | sed -e '/^#/d' -e '/^$/d'| (
	while read dir map options
	do
	    if [ ! -z "$dir" -a ! -z "$map" \
			-a x`echo "$map" | cut -c1` != 'x-' ]
	    then
		map=`echo "/etc/$map" | sed -e 's:^/etc//:/:'`
		options=`echo "$options" | sed -e 's/\(^\|[ \t]\)-/\1/g'`
		if [ -x $map ]; then
		    echo "$DAEMON $daemonoptions $dir program $map $options $localoptions"
		elif [ -f $map ]; then
		    echo "$DAEMON $daemonoptions $dir file $map $options $localoptions"
		else
		    echo "$DAEMON $daemonoptions $dir `basename $map` $options $localoptions"
		fi
	    fi
	done
    )
fi

#
# Check for YellowPage maps to be loaded
#
if [ -e /usr/bin/ypcat ] && [ `ypcat -k auto.master 2>/dev/null | wc -l` -gt 0 ]
then
    ypcat -k auto.master | (
	while read dir map options
	do
	    if [ ! -z "$dir" -a ! -z "$map" \
			-a x`echo "$map" | cut -c1` != 'x-' ]
	    then
		map=`echo "$map" | sed -e 's/^auto_/auto./'`
		if echo $options | grep -- '-t' >/dev/null 2>&1 ; then
		    mountoptions="--timeout $(echo $options | \
		      sed 's/^.*-t\(imeout\)*[ \t]*\([0-9][0-9]*\).*$/\2/g')"
		fi
                options=`echo "$options" | sed -e '
                  s/--*t\(imeout\)*[ \t]*[0-9][0-9]*//g
                  s/\(^\|[ \t]\)-/\1/g'`
		echo "$DAEMON $daemonoptions $mountoptions $dir yp $map $options $localoptions"
	    fi
	done
    )
fi
}

#
# Status lister.
#
stats()
{
	echo "Configured Mount Points:"
	echo "------------------------"
	getmounts
	echo ""
	echo "Active Mount Points:"
	echo "--------------------"
	ps ax|grep "[0-9]:[0-9][0-9] automount " | (
		while read pid tt stat time command; do echo $command; done
	)
}

# return true if at least one pid is alive
function alive()
{
    if [ -z "$*" ]; then
	return 1
    fi
    for i in $*; do
	if kill -0 $i 2> /dev/null; then
	    return 0
	fi
    done

    return 1
}

start()
{
# LLA: take from debian
	ebegin "Starting automounter"
	getmounts | while read cmd mnt rest
	do
		echo -n " $mnt"
		pidfile=/var/run/autofs`echo $mnt | sed 's/\//./'`.pid
        # LLA echo "start-stop-daemon --start --pidfile $pidfile --quiet --exec $DAEMON $daemonoptions -- $mnt $rest --timeout=0 "
        # LLA: timeout hack
		start-stop-daemon --start --pidfile $pidfile --quiet \
			--exec $DAEMON $daemonoptions -- $mnt $rest --timeout=0 
	done
	echo
	eend $?
}

stop() {
	ebegin "Stopping automounter"
	start-stop-daemon --stop --quiet --signal USR2 --exec $DAEMON
	eend $?
}

reload() {
	echo "Reloading automounter: checking for changes ... "
	TMP=/var/run/autofs.tmp
	getmounts >$TMP
	for i in /var/run/autofs.*.pid
	do
		pid=`head -n 1 $i 2>/dev/null`
		[ "$pid" = "" ] && continue
		command=`tail +2 $i`
		if ! grep -q "^$command" $TMP
		then
			echo "Stopping automounter: $command"
			kill -USR2 $pid
		fi
	done
	rm -f $TMP
	svc_start
}

restart() {
	svc_stop
	svc_start
}