1<?php
2/**
3 * raritan-pdu.inc.php
4 *
5 * LibreNMS temperature sensor discovery module for Raritan
6 *
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
19 *
20 * @link       https://www.librenms.org
21 * @copyright  2017 Neil Lathwood
22 * @author     Neil Lathwood <gh+n@laf.io>
23 */
24$index = 'unitCpuTemp.0';
25$oid = '.1.3.6.1.4.1.13742.4.1.3.1.5.0';
26$descr = 'Processor Temp';
27$divisor = 10;
28$raritan_data = snmp_get_multi_oid($device, ['unitCpuTemp.0', 'unitTempLowerWarning.0', 'unitTempLowerCritical.0', 'unitTempUpperWarning.0', 'unitTempUpperCritical.0'], '-OUQs', 'PDU-MIB');
29if (is_array($raritan_data) && ! empty($raritan_data)) {
30    $low_limit = $raritan_data['unitTempLowerCritical.0'];
31    $low_warn_limit = $raritan_data['unitTempLowerWarning.0'];
32    $warn_limit = $raritan_data['unitTempUpperWarning.0'];
33    $high_limit = $raritan_data['unitTempUpperCritical.0'];
34    $current = $raritan_data['unitCpuTemp.0'] / $divisor;
35    discover_sensor($valid['sensor'], 'temperature', $device, $oid, $tmp_index, 'raritan', $descr, $divisor, 1, $low_limit, $low_limit, $warn_limit, $high_limit, $current);
36} else {
37    $multiplier = '1';
38    foreach ($pre_cache['raritan_extSensorConfig'] as $index => $data) {
39        if ($data['externalSensorType'] == 'temperature') {
40            $descr = $data['externalSensorName'];
41            $oid = ".1.3.6.1.4.1.13742.6.5.5.3.1.4.$index";
42            $low_limit = ($data['externalSensorLowerCriticalThreshold'] / $divisor);
43            $low_warn_limit = ($data['externalSensorLowerWarningThreshold'] / $divisor);
44            $high_limit = ($data['externalSensorUpperCriticalThreshold'] / $divisor);
45            $high_warn_limit = ($data['externalSensorUpperWarningThreshold'] / $divisor);
46
47            $measure_data = $pre_cache['raritan_extSensorMeasure'][$index];
48            $current = ($measure_data['measurementsExternalSensorValue'] / $divisor);
49            $sensor_available = $measure_data['measurementsExternalSensorIsAvailable'];
50            $raritan_temp_scale = $data['externalSensorUnits'];
51            $user_func = null;
52            if ($raritan_temp_scale == 'degreeF') {
53                $low_warn_limit = fahrenheit_to_celsius($low_warn_limit, $raritan_temp_scale);
54                $low_limit = fahrenheit_to_celsius($low_limit, $raritan_temp_scale);
55                $high_warn_limit = fahrenheit_to_celsius($high_warn_limit, $raritan_temp_scale);
56                $high_limit = fahrenheit_to_celsius($high_limit, $raritan_temp_scale);
57                $current = fahrenheit_to_celsius($current, $raritan_temp_scale);
58                $user_func = 'fahrenheit_to_celsius';
59            }
60            if (is_numeric($current) && $current >= 0 && $sensor_available === 'true') {
61                discover_sensor($valid['sensor'], 'temperature', $device, $oid, 'measurementsExternalSensorValue.' . $index, 'raritan', $descr, $divisor, $multiplier, $low_limit, $low_warn_limit, $high_warn_limit, $high_limit, $current, 'snmp', null, null, $user_func);
62            }
63        }
64    }
65}
66
67//Check for PDU MIB external Sensors
68$oids = snmpwalk_cache_multi_oid($device, 'externalSensorTable', [], 'PDU-MIB');
69$offset = 0;
70foreach ($oids as $index => $sensor) {
71    if ($sensor['externalSensorType'] == 'temperature') {
72        $oid = ".1.3.6.1.4.1.13742.4.3.3.1.41.$index";
73        $descr = $sensor['externalSensorName'];
74        $temp_current = $sensor['externalSensorValue'];
75        $temp_current = $temp_current / $divisor;
76        $limit_high = $sensor['externalSensorUpperWarningThreshold'] / $divisor;
77        $limit_low = $sensor['externalSensorLowerWarningThreshold'] / $divisor;
78        $limit_high_warn = $sensor['externalSensorUpperCriticalThreshold'] / $divisor;
79        $limit_low_warn = $sensor['externalSensorLowerCriticalThreshold'] / $divisor;
80        $offset++;
81        if (is_numeric($temp_current) && $temp_current >= 0) {
82            discover_sensor($valid['sensor'], 'temperature', $device, $oid, $offset, 'raritan', $descr, $divisor, 1, $limit_low, $limit_low_warn, $limit_high_warn, $limit_high, $temp_current);
83        }
84    }
85}
86