librenms-librenms/includes/polling/cisco-voice/cisco-iosdsp.inc.php

<?php
/*
 * LibreNMS module to Graph Digital Signal Processor (DSP) Resources in a Cisco Voice Router
 *
 * Copyright (c) 2015 Aaron Daniels <aaron@daniels.id.au>
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.  Please see LICENSE.txt at the top level of
 * the source code distribution for details.
 */

use LibreNMS\RRD\RrdDefinition;

if ($device['os_group'] == 'cisco') {
    // Total
    $total = 0;
    $output = snmpwalk_cache_oid_num($device, '1.3.6.1.4.1.9.9.86.1.2.1.1.6', null);
    if (is_array($output)) {
        foreach ($output as $key => $value) {
            $total += $value[''];
        }

        if (isset($total) && $total > 0) {
            // Active
            $active = 0;
            foreach (snmpwalk_cache_oid_num($device, '1.3.6.1.4.1.9.9.86.1.2.1.1.7', null) as $key => $value) {
                $active += $value[''];
            }

            $rrd_def = RrdDefinition::make()
                ->addDataset('total', 'GAUGE', 0)
                ->addDataset('active', 'GAUGE', 0);

            $fields = [
                'total' => $total,
                'active' => $active,
            ];

            $tags = compact('rrd_def');
            data_update($device, 'cisco-iosdsp', $tags, $fields);

            $os->enableGraph('cisco-iosdsp');
            echo ' Cisco IOS DSP ';
        }
        unset($rrd_def, $total, $active, $tags, $fields);
    }
}