#!/sbin/runscript
# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

NX_NODE_CFG="/usr/NX/etc/node.cfg"
NX_SENSOR_CMD="/usr/NX/bin/nxsensor"
NX_SENSOR_PID="/usr/NX/var/run/nxsensor.pid"
NX_SENSOR_HOST="127.0.0.1"
NX_SENSOR_PORT="19250"

depend() 
{
	need net
}

is_enabled() 
{
	local tmp

	if ! [[ -x $NX_SENSOR_CMD ]] ; then
		eerror "$NX_SENSOR_CMD not found"
		return 1
	fi

	tmp=`/usr/bin/awk -F'"' '/^EnableSensor/ {print $2}' $NX_NODE_CFG`
	if [[ $tmp != "1" ]]; then
		eerror "nxsensor is disabled in $NX_NODE_CFG"
		return 1
	fi

	tmp=`/usr/bin/awk -F'"' '/^StatisticsHost/ {print $2}' $NX_NODE_CFG`
	if [[ -n $tmp ]] ; then
		NX_SENSOR_HOST="$tmp"
	fi

	tmp=`/usr/bin/awk -F'"' '/^NodeSensorPort/ {print $2}' $NX_NODE_CFG`
	if [[ -n $tmp ]] ; then
		NX_SENSOR_PORT="$tmp"
	fi

	return 0
}

start() {
	is_enabled || return 1
	ebegin "Starting nxsensor"
	$NX_SENSOR_CMD -a $NX_SENSOR_HOST -a "::ffff:$NX_SENSOR_HOST" -P $NX_SENSOR_PORT -d
	PID=`ps -ef | grep $NX_SENSOR_CMD | grep -v grep | awk '{print $2}'`
	if [[ -z $PID ]] ; then
		eend 1
	else
		echo $PID > $NX_SENSOR_PID
		eend 0
	fi
}

stop() {
	ebegin "Stopping nxsensor"
	PID=`cat $NX_SENSOR_PID`
	if [[ -z $PID ]] ; then
		eerror "nxsensor not started"
		eend 1
	else
		kill $PID
		rm -f $NX_SENSOR_PID
		eend 0
	fi
}