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

$rrd_filename = rrd_name($device['hostname'], 'ib_dns_request_return_codes');
$rrd_options .= " --vertical-label='Requests per second'";
$rrd_options .= " --lower-limit='0'";

$stats = array(
    'success'        => '#74C366FF',
    'failure'        => '#007283FF',
    'nxdomain'       => '#FFAB00FF',
    'nxrrset'        => '#B1441EFF',
);

$i = 0;
foreach ($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 1 to get per second value
    $rrd_options .= " 'CDEF:cdef".$stat."=".$stat.",1,*'";

    # 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
    $filler = 15 - strlen($stat);
    $current_pad = str_pad("", $filler, ' ', STR_PAD_LEFT);
    $rrd_options .= " 'GPRINT:cdef".$stat.":LAST: ".$current_pad."Current\:%8.0lf%s'";
    $rrd_options .= " 'GPRINT:cdef".$stat.":AVERAGE:Average\:%8.0lf'";
    $rrd_options .= " 'GPRINT:cdef".$stat.":MAX:Maximum\:%8.0lf\\n'";

    $statstring .= "cdef".$stat.",";
}

# Add total value
$rrd_options .= " 'CDEF:cdeftotal=".$statstring."+,+,+'";
$rrd_options .= " 'LINE1:cdeftotal#000000FF:Total'";
$filler = 16 - 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'";
