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https://github.com/librenms/librenms.git
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f23c5c0e7b
* Raspberry Pi: Add SNMP extend to monitor IO pins or sensor modules connected to the GPIO header * Raspberry Pi: Add new test data * Raspberry Pi: Make styleci happy * Raspberry Pi: Fix some more style issues * Raspberry Pi: Use d_echo for array debug * Raspberry Pi: Prevent processing if the extension is not present * Raspberry Pi: Make styleci happy * Raspberry Pi: Update test data * Raspberry Pi: Remove debugging
86 lines
4.1 KiB
PHP
86 lines
4.1 KiB
PHP
<?php
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/**
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* rpigpiomonitor.inc.php
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*
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* LibreNMS sensors discovery module for Raspberry Pi GPIO Monitor extension
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @link https://librenms.org
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*
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* @copyright 2021 Denny Friebe
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* @author Denny Friebe <denny.friebe@icera-network.de>
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*/
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$gpio_mon_data = snmpwalk_cache_oid($device, 'nsExtendOutLine."rpigpiomonitor"', [], 'NET-SNMP-EXTEND-MIB', null, '-OteQUsb');
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if (! empty($gpio_mon_data)) {
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$sensor_index = 0;
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$sensors = [];
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foreach ($gpio_mon_data as $index => $entry) {
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if (Str::contains($entry['nsExtendOutLine'], ';')) {
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$splitted_data_array = explode(';', $entry['nsExtendOutLine']);
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$sensor_data = [];
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foreach ($splitted_data_array as $splitted_data_index => $splitted_data) {
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$sensor_data_parts = explode(',', $splitted_data);
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if ($splitted_data_index == 0) {
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if (isset($sensor_data_parts[0]) && isset($sensor_data_parts[1]) && isset($sensor_data_parts[2])) {
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$sensor_data['name'] = $sensor_data_parts[0];
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$sensor_data['type'] = $sensor_data_parts[1];
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$sensor_data['descr'] = $sensor_data_parts[2];
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$sensor_data['low_limit'] = $sensor_data_parts[3];
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$sensor_data['low_warn_limit'] = $sensor_data_parts[4];
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$sensor_data['warn_limit'] = $sensor_data_parts[5];
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$sensor_data['high_limit'] = $sensor_data_parts[6];
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}
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} else {
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if (isset($sensor_data_parts[0]) && isset($sensor_data_parts[1]) && isset($sensor_data_parts[2])) {
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if (! isset($sensor_data['state_data'])) {
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$sensor_data['state_data'] = [];
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}
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$state_data['value'] = intval($sensor_data_parts[0]);
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$state_data['generic'] = intval($sensor_data_parts[1]);
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$state_data['graph'] = 1;
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$state_data['descr'] = $sensor_data_parts[2];
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array_push($sensor_data['state_data'], $state_data);
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}
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}
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$sensors[$sensor_index] = $sensor_data;
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}
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} else {
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$sensors[$sensor_index]['value'] = intval($entry['nsExtendOutLine']);
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$sensors[$sensor_index]['oid'] = '.1.3.6.1.4.1.8072.1.3.2.4.1.2.' . $index;
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$sensor_index++;
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}
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}
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foreach ($sensors as $sensor_id => $sensor_data) {
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if (isset($sensor_data['name']) && isset($sensor_data['type']) && isset($sensor_data['descr'])) {
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if (isset($sensor_data['state_data'])) {
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create_state_index($sensor_data['name'], $sensor_data['state_data']);
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}
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discover_sensor($valid['sensor'], $sensor_data['type'], $device, $sensor_data['oid'], $sensor_id, $sensor_data['name'], $sensor_data['descr'], 1, 1, $sensor_data['low_limit'], $sensor_data['low_warn_limit'], $sensor_data['warn_limit'], $sensor_data['high_limit'], $sensor_data['value']);
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if (isset($sensor_data['state_data'])) {
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create_sensor_to_state_index($device, $sensor_data['name'], $sensor_id);
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}
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} else {
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echo "[rpigpiomonitor] An error occurred while reading a sensor! Please run 'rpigpiomonitor.php -validate' on the target device to verify the configuration.\n";
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}
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}
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}
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