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74 lines
2.4 KiB
PHP
74 lines
2.4 KiB
PHP
<?php
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use LibreNMS\RRD\RrdDefinition;
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foreach (dbFetchRows('SELECT * FROM `customoids` WHERE `customoid_passed` = 1 AND `device_id` = ?', [$device['device_id']]) as $customoid) {
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d_echo($customoid);
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$descr = $customoid['customoid_descr'];
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$unit = $customoid['customoid_unit'];
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$prev_oid_value = $customoid['customoid_current'];
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$rawdata = snmp_get($device, $customoid['customoid_oid'], '-Oqv');
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$user_funcs = [
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'celsius_to_fahrenheit',
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'fahrenheit_to_celsius',
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'kelvin_to_celsius',
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'uw_to_dbm',
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];
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if (is_numeric($rawdata)) {
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$os->enableGraph('customoid');
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$oid_value = $rawdata;
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} elseif (
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$unit &&
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str_i_contains($rawdata, $unit) &&
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is_numeric(trim(str_replace($unit, '', $rawdata)))
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) {
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$os->enableGraph('customoid');
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$oid_value = trim(str_replace($unit, '', $rawdata));
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} elseif (is_numeric(string_to_float($rawdata))) {
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$os->enableGraph('customoid');
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$oid_value = string_to_float($rawdata);
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} else {
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$oid_value = 0;
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$error = 'Invalid SNMP reply.';
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}
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if ($customoid['customoid_divisor'] && $oid_value !== 0) {
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$oid_value = ($oid_value / $customoid['customoid_divisor']);
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}
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if ($customoid['customoid_multiplier']) {
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$oid_value = ($oid_value * $customoid['customoid_multiplier']);
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}
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if (isset($customoid['user_func']) && in_array($customoid['user_func'], $user_funcs)) {
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$oid_value = $customoid['user_func']($oid_value);
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}
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echo 'Custom OID ' . $descr . ': ';
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echo $oid_value . ' ' . $unit . "\n";
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$fields = [
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'oid_value' => $oid_value,
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];
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$rrd_name = ['customoid', $descr];
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if ($customoid['customoid_datatype'] == 'COUNTER') {
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$datatype = $customoid['customoid_datatype'];
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} else {
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$datatype = 'GAUGE';
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}
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$rrd_def = RrdDefinition::make()
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->addDataset('oid_value', $datatype);
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$tags = compact('descr', 'unit', 'rrd_name', 'rrd_def');
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data_update($device, 'customoid', $tags, $fields);
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dbUpdate(['customoid_current' => $oid_value, 'lastupdate' => ['NOW()'], 'customoid_prev' => $prev_oid_value], 'customoids', '`customoid_id` = ?', [$customoid['customoid_id']]);
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}//end foreach
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unset($customoid, $prev_oid_value, $rawdata, $user_funcs, $oid_value, $error, $fields, $rrd_def, $rrd_name, $tags);
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