#!/bin/bash

RRDTOOL=/usr/bin/rrdtool
RRDDIR=/var/lib/rrdtool

function create_database(){
	rrdtool create $RRDDIR/$1 \
	DS:in:DERIVE:600:0:U \
	DS:out:DERIVE:600:0:U \
	RRA:AVERAGE:0.5:1:600 \
	RRA:AVERAGE:0.5:6:700 \
	RRA:AVERAGE:0.5:24:775 \
	RRA:AVERAGE:0.5:288:797 \
	RRA:MAX:0.5:1:600 \
	RRA:MAX:0.5:6:700 \
	RRA:MAX:0.5:24:775 \
	RRA:MAX:0.5:288:797 \
	RRA:MIN:0.5:1:600 \
	RRA:MIN:0.5:6:700 \
	RRA:MIN:0.5:24:775 \
	RRA:MIN:0.5:288:797 \
	RRA:LAST:0.5:1:600 \
	RRA:LAST:0.5:6:700 \
	RRA:LAST:0.5:24:775 \
	RRA:LAST:0.5:288:797
}       

function u_int32_to_ip() {
        ip1=$((($1 >> 24) & 0xff))
        ip2=$((($1 >> 16) & 0xff))
        ip3=$((($1 >> 8) & 0xff))
        ip4=$(($1 & 0xff))
        echo -n "${ip1}.${ip2}.${ip3}.${ip4}"
}

# adres poczatkowy: 192.168.0.0
ip_begin=$((192 << 24 | 168 << 16 | 0 << 8 | 0))
# adres końcowy 192.168.0.255
ip_end=$((192 << 24 | 168<< 16 | 0 << 8 | 255))

for (( ip = ip_begin ; ip <= ip_end ; ip++ )); do
        ip_text=$( u_int32_to_ip ${ip} )
        create_database bits-${ip_text}.rrd
done

exit 0