<?php

// Attempt to draw a graph out of DSes we've collected from Munin plugins.
// Reverse engineering ftw!
$scale_min = 0;

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

if ($width > '500') {
    $descr_len = 24;
}
else {
    $descr_len  = 14;
    $descr_len += round(($width - 230) / 8.2);
}

if ($width > '500') {
    $rrd_options .= " COMMENT:'".substr(str_pad($mplug['mplug_vlabel'], $descr_len), 0, $descr_len)."   Current   Average  Maximum\l'";
    $rrd_options .= " COMMENT:'\l'";
}
else {
    $rrd_options .= " COMMENT:'".substr(str_pad($mplug['mplug_vlabel'], $descr_len), 0, $descr_len)."   Current   Average  Maximum\l'";
}

$c_i = 0;
$dbq = dbFetchRows('SELECT * FROM `munin_plugins_ds` WHERE `mplug_id` = ?', array($mplug['mplug_id']));
foreach ($dbq as $ds) {
    $ds_filename = $plugfile.'_'.$ds['ds_name'].'.rrd';
    $ds_name     = $ds['ds_name'];

    $cmd_def .= ' DEF:'.$ds['ds_name'].'='.$ds_filename.':val:AVERAGE';

    if (!empty($ds['ds_cdef'])) {
        $cmd_cdef .= '';
        $ds_name   = $ds['ds_name'].'_cdef';
    }

    if ($ds['ds_graph'] == 'yes') {
        if (empty($ds['colour'])) {
            if (!$config['graph_colours']['mixed'][$c_i]) {
                $c_i = 0;
            }

            $colour = $config['graph_colours']['mixed'][$c_i];
            $c_i++;
        }
        else {
            $colour = $ds['colour'];
        }

        $descr = rrdtool_escape($ds['ds_label'], $descr_len);

        $cmd_graph .= ' '.$ds['ds_draw'].':'.$ds_name.'#'.$colour.":'".$descr."'";
        $cmd_graph .= ' GPRINT:'.$ds_name.':LAST:"%6.2lf%s"';
        $cmd_graph .= ' GPRINT:'.$ds_name.':AVERAGE:"%6.2lf%s"';
        $cmd_graph .= ' GPRINT:'.$ds_name.':MAX:"%6.2lf%s\\n"';
    }
}//end foreach

$rrd_options .= $cmd_def.$cmd_cdef.$cmd_graph;
