#!/bin/sh
# chkconfig: 35 97 10
# description: Associate processes to socket (vserver support)
# processname: findproc
# pidfile: /var/run/findproc.pid

cd /
PIDFILE=/var/run/findproc.pid
SUBSYS=/var/lock/subsys/findproc
NAME=findproc
SUBUNIXSOCK=/var/run/sub-findproc.sock
SUBPIDFILE=/var/run/sub-findproc.pid
OPTIONS=
# Load the information about vservers and user/groups
loadconfig_master(){
	# Define the root server
	# Sometime, findproc is used inside a vserver, so we provide the XID of the master
	XID=$1
	/usr/sbin/$NAME-control clear
	/usr/sbin/$NAME-control vserver $XID /
	/usr/sbin/findproc-mapug --userfile /etc/passwd --groupfile /etc/group --xid $XID /usr/sbin/$NAME-control
	/usr/sbin/$NAME-control commit
}
loadconfig_vservers(){
	# Repeat for all vservers
	if [ -f /proc/self/vinfo ] ; then
		for vserv in `vserver-list --running`
		do
			XID=`cat /var/run/vservers/$vserv.ctx | sed 's/=/ /' | ( read a b; echo $b)`
			VSERVERDIR=`/usr/lib/vserver/printconf.sh $vserv | grep VSERVERDIR | sed 's/=/ /' | ( read a b; echo $b)`
			/usr/sbin/$NAME-control -s $SUBUNIXSOCK vserver $XID $VSERVERDIR
			/usr/sbin/findproc-mapug --userfile $VSERVERDIR/etc/passwd --groupfile $VSERVERDIR/etc/group --xid $XID \
				/usr/sbin/$NAME-control -s $SUBUNIXSOCK
		done
	fi
	/usr/sbin/$NAME-control -s $SUBUNIXSOCK commit
}
case "$1" in
start)
	echo -n "Starting $NAME: "
	if [ -f /proc/self/vinfo ]; then
		# We are running with a vserver aware kernel
		XID=`cat /proc/self/vinfo | grep XID: | (read a b; echo $b)`
		if [ "$XID" = 0 ] ; then
			# We are in the master
			/usr/sbin/chcontext --silent --ctx 1 /usr/sbin/$NAME --daemon $OPTIONS \
				--foruser root --pidfile $SUBPIDFILE --unixsock $SUBUNIXSOCK --partialok
			/usr/sbin/$NAME --daemon $OPTIONS --subunixsock $SUBUNIXSOCK
			loadconfig_vservers
			loadconfig_master 0
		else
			# We are running inside a vserver, so there is no sub-findproc
			/usr/sbin/$NAME --daemon $OPTIONS 
			loadconfig_master $XID
		fi
	else
		/usr/sbin/$NAME --daemon $OPTIONS 
		loadconfig_master 0
	fi
	echo $NAME
	touch $SUBSYS
	;;
stop)
	echo -n "Stopping $NAME: "
	if [ -f $PIDFILE ] ; then
		if [ -f /proc/self/vinfo ] ; then
			XID=`cat /proc/self/vinfo | grep XID: | (read a b; echo $b)`
			if [ "$XID" = 0 ] ; then
				/usr/sbin/$NAME-control -s $SUBUNIXSOCK quit 2>/dev/null
				rm -f $SUBPIDFILE
			fi
		fi
		/usr/sbin/$NAME-control quit 2>/dev/null
		rm -f $SUBSYS
		rm -f $PIDFILE
		echo "$NAME"
	else
		echo
	fi
	;;
restart)
	$0 stop
	sleep 5
	$0 start
	;;
reload)
	if [ -f /proc/self/vinfo ] ; then
		loadconfig_vservers
	fi
	loadconfig_master
	;;
status)
	if [ ! -f $PIDFILE ] ; then
		echo Service $NAME is not running
	elif ! /usr/sbin/$NAME-control printconf >/dev/null 2>/dev/null
	then
		echo Service $NAME is not running
		echo Unclean shutdown
	else
		echo Service $NAME is running
	fi
	;;
*)
	echo "Usage: $NAME {start|stop|restart|reload|status}"
	exit 1
esac

exit 0