<?php
/**
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package    observium
 * @subpackage graphs
 * @copyright  (C) 2006-2013 Adam Armstrong, (C) 2013-2020 Observium Limited
 *
 */

$scale_min = "0";
$scale_max = "100";

include_once($config['html_dir']."/includes/graphs/common.inc.php");

if($width > 350)
{
  $padding = 45;
  $text_width = 7;
} else {
  $padding = 39;
  $text_width = 6;
}
$legend_len = ($vars['width'] + $padding) / $text_width;
$descr_len = $legend_len - 31;

$iter = 0;
$colours = 'mixed-10c';
$rrd_options .= " COMMENT:'".str_pad('Size       Used  % Used', $legend_len, ' ', STR_PAD_LEFT)."\\l'";
$graph_return['legend_lines'] = 1;


foreach (dbFetchRows("SELECT * FROM storage where device_id = ?", array($device['device_id'])) as $storage)
{
  if (!$config['graph_colours'][$colours][$iter]) { $iter = 0; }
  $colour=$config['graph_colours'][$colours][$iter];

  $descr = rrdtool_escape(rewrite_entity_name($storage['storage_descr'], 'storage'), $descr_len);
  $rrd = get_rrd_path($device, "storage-".strtolower($storage['storage_mib'])."-".$storage['storage_descr'].".rrd");
  if (rrd_is_file($rrd))
  {
    $rrd_filename_escape = rrdtool_escape($rrd);
    $rrd_options .= " DEF:".$storage['storage_id']."used=$rrd_filename_escape:used:AVERAGE";
    $rrd_options .= " DEF:".$storage['storage_id']."free=$rrd_filename_escape:free:AVERAGE";
    $rrd_options .= " CDEF:".$storage['storage_id']."size=".$storage['storage_id']."used,".$storage['storage_id']."free,+";
    $rrd_options .= " CDEF:".$storage['storage_id']."perc=".$storage['storage_id']."used,".$storage['storage_id']."size,/,100,*";
    $rrd_options .= " LINE1.25:".$storage['storage_id']."perc#" . $colour . ":'$descr'";
    $rrd_options .= " GPRINT:".$storage['storage_id']."size:LAST:%6.2lf%sB";
    $rrd_options .= " GPRINT:".$storage['storage_id']."used:LAST:%6.2lf%sB";
    $rrd_options .= " GPRINT:".$storage['storage_id']."perc:LAST:%5.2lf%%\\l";
    $iter++;
    $graph_return['legend_lines']++;
    $graph_return['rrds'][] = $rrd;
  } else {
    $graph_return['missing_rrds'][] = $rrd;
  }
}


// EOF