<?php

require 'includes/graphs/common.inc.php';

$rrd_filename = rrd_name($device['hostname'], 'ib_dhcp_messages');
$rrd_options .= " --vertical-label='Messages per minute'";

$stats = array(
    'request'   => '#FFAB00FF',
    'ack'       => '#007283FF',
    'discover'  => '#74C366FF',
    'offer'     => '#B1441EFF',
    'inform'    => '#8D85F3FF',
    'nack'      => '#FAFD9EFF',
    'release'   => '#96E78AFF',
    'decline'   => '#FF0000FF',
    'other'     => '#8F9286FF',
);

$i = 0;
foreach ($stats as $stat => $color) {
    $i++;
    $rrd_list[$i]['filename'] = $rrd_filename;
    $rrd_list[$i]['descr']    = ucfirst($stat);
    $rrd_list[$i]['ds']       = $stat;

    # Set up DEFs
    $rrd_options .= " DEF:".$stat."=".$rrd_filename.':'.$stat.':AVERAGE ';

    # Set up CDEFS to multiply with 60 to get per minute value
    $rrd_options .= " 'CDEF:cdef".$stat."=".$stat.",60,*'";

    # Set up area graphing with stacking
    if ($i == "0") {
        $rrd_options .= " 'AREA:cdef".$stat . $color.":".ucfirst($stat)."'";
    } else {
        $rrd_options .= " 'AREA:cdef".$stat . $color.":".ucfirst($stat).":STACK'";
    }

    # Set up legend, with consistent indent
    $filler = 8 - strlen($stat);
    $current_pad = str_pad("", $filler, ' ', STR_PAD_LEFT);
    $rrd_options .= " 'GPRINT:cdef".$stat.":LAST:".$current_pad."Current\:%8.0lf'";
    $rrd_options .= " 'GPRINT:cdef".$stat.":AVERAGE:Average\:%8.0lf'";
    $rrd_options .= " 'GPRINT:cdef".$stat.":MAX:Maximum\:%8.0lf\\n'";
}

// Set up Total value
$rrd_options .= " 'CDEF:cdeftotal=cdefrequest,cdefack,cdefdiscover,cdefoffer,cdefinform,cdefnack,cdefrelease,cdefdecline,cdefother,+,+,+,+,+,+,+,+'";
$rrd_options .= " 'LINE1:cdeftotal#000000FF:Total'";
$filler = 8 - strlen("Total");
$current_pad = str_pad("", $filler, ' ', STR_PAD_LEFT);
$rrd_options .= " 'GPRINT:cdeftotal:LAST:".$current_pad."Current\:%8.0lf'";
$rrd_options .= " 'GPRINT:cdeftotal:AVERAGE:Average\:%8.0lf'";
$rrd_options .= " 'GPRINT:cdeftotal:MAX:Maximum\:%8.0lf\\n'";
