librenms-librenms/html/includes/graphs/device/mempool.inc.php

<?php

$device = device_by_id_cache($id);

include("includes/graphs/common.inc.php");

$rrd_options .= " -u 100 -l 0 -E -b 1024 ";

$iter = "1"; $i=1;
$rrd_options .= " COMMENT:'                           Min   Cur    Max\\n'";

foreach(dbFetchRows("SELECT * FROM `mempools` where `device_id` = ?", array($id)) as $mempool)
{
  #  FIXME generic colour function
  if ($iter=="1") { $colour="CC0000"; } elseif ($iter=="2") { $colour="008C00"; } elseif ($iter=="3") { $colour="4096EE"; }
  elseif ($iter=="4") { $colour="73880A"; } elseif ($iter=="5") { $colour="D01F3C"; } elseif ($iter=="6") { $colour="36393D"; }
  elseif ($iter=="7") { $colour="FF0084"; unset($iter); }

  $descr = substr(str_pad(short_hrDeviceDescr($mempool['mempool_descr']), 22),0,22);
  $descr = str_replace(":", "\:", $descr);
  $rrd_filename  = $config['rrd_dir'] . "/".$device['hostname']."/" . safename("mempool-".$mempool['mempool_type']."-".$mempool['mempool_index'].".rrd");

  if (is_file($rrd_filename))
  {
    $rrd_options .= " DEF:mempoolfree$i=$rrd_filename:free:AVERAGE ";
    $rrd_options .= " DEF:mempoolused$i=$rrd_filename:used:AVERAGE ";
    $rrd_options .= " CDEF:mempooltotal$i=mempoolused$i,mempoolused$i,mempoolfree$i,+,/,100,* ";

    $rrd_optionsb .= " AREA:mempooltotal$i#" . $colour . "10";

    $rrd_optionsb .= " LINE1:mempooltotal$i#" . $colour . ":'" . $descr . "' ";
    $rrd_optionsb .= " GPRINT:mempooltotal$i:MIN:%3.0lf%%";
    $rrd_optionsb .= " GPRINT:mempooltotal$i:LAST:%3.0lf%%";
    $rrd_optionsb .= " GPRINT:mempooltotal$i:MAX:%3.0lf%%\\\l ";
    $iter++; $i++;
  }
}

$rrd_options .= $rrd_optionsb;

$rrd_options .= " HRULE:0#999999";

?>