#!/bin/sh
#------------------------------------------------------------------------------
# Creation:     bastard
# Last Update:  $Id$
# Mod: Helper included to be compatible with old version 3.0.x
#------------------------------------------------------------------------------

db_path=$1
source=$2

# U.W.: because of compatibility I check for /sbin/route = fli4L 3.0.x !!

if [ -f /sbin/ip ]
	then
		{
		intervall=$3
		shift
		}
	else
		{
		intervall=0
		}
	fi
		
shift
shift
options=$*

# U.W.: because of compatibility helper is included here !!

rrdheartbeat_change ()
{
rrdheartbeat=`rrdtool info $db_path/$item.rrd|grep heart| cut -d\  -f3|sort -u`
rrdheartbeat=`echo $rrdheartbeat|cut -d\  -f1`
if [ "$rrdheartbeat" != "$heartbeat" ]
then
    echo "change heartbeat for existing rrd $source - $item from $rrdheartbeat to $heartbeat"
    rrdds=
    for rrdidx in `rrdtool info $db_path/$item.rrd |grep "_heartbeat "|cut -d[ -f2|cut -d] -f1`
    do
        rrdds="$rrdds `echo -h $rrdidx:$heartbeat`"
    done
    rrdtool tune $db_path/$item.rrd $rrdds
else
    echo "use existing rrd for $source - $item"
fi
}

intervall=`echo $intervall|sed "s/[^0-9]//g"`
[ $intervall -eq 0 ]&&intervall=1
heartbeat=`echo "$intervall * 120"|bc`

rrdaverage="RRA:AVERAGE:0.5:1:1500 \
        RRA:AVERAGE:0.5:10:1100 \
        RRA:AVERAGE:0.5:30:1600 \
        RRA:AVERAGE:0.5:720:800"
rrdmin="RRA:MIN:0.5:1:1500 \
        RRA:MIN:0.5:10:1100 \
        RRA:MIN:0.5:30:1600 \
        RRA:MIN:0.5:720:800"
rrdmax="RRA:MAX:0.5:1:1500 \
        RRA:MAX:0.5:10:1100 \
        RRA:MAX:0.5:30:1600 \
        RRA:MAX:0.5:720:800"
rrdlast="RRA:LAST:0.5:1:1500 \
        RRA:LAST:0.5:10:1100 \
        RRA:LAST:0.5:30:1600 \
        RRA:LAST:0.5:720:800"


for item in $options
do
	#
	# semaphore against spikes in network-graphs
	#
	> /var/run/rrdtool.olsr.$item
	
	if [ ! -f "$db_path/$item-olsr.rrd" ]
	then
		echo "create new rrd for $source - $item"
		rrdtool create $db_path/$item-olsr.rrd --step 60 \
		DS:lq:GAUGE:$heartbeat:0:4294967295 \
		DS:nlq:GAUGE:$heartbeat:0:4294967295 \
		DS:lost:GAUGE:$heartbeat:0:4294967295 \
		$rrdaverage $rrdmax $rrdmin
	else
		rrdheartbeat_change
	fi
	
	#
	# Avoid huge peaks at reboot
	#
	rrdtool update $db_path/$item-olsr.rrd \
	N:U:U:U
	if [ $? -eq "0" ]
	then
		rm /var/run/rrdtool.olsr.$item
	fi
done