<?php

/**
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package        observium
 * @subpackage     discovery
 * @copyright  (C) Adam Armstrong
 *
 */

/**
 * STE-MIB::sensIndex.1 = INTEGER: 26518
 * STE-MIB::sensIndex.2 = INTEGER: 29068
 * STE-MIB::sensName.1 = STRING: "Sensor 26518"
 * STE-MIB::sensName.2 = STRING: "Sensor 29068"
 * STE-MIB::sensState.1 = INTEGER: normal(1)
 * STE-MIB::sensState.2 = INTEGER: alarmlo(4)
 * STE-MIB::sensString.1 = STRING: "19.6"
 * STE-MIB::sensString.2 = STRING: "26.1"
 * STE-MIB::sensValue.1 = INTEGER: 196
 * STE-MIB::sensValue.2 = INTEGER: 261
 * STE-MIB::sensSN.1 = STRING: "289667F30100000F"
 * STE-MIB::sensSN.2 = STRING: "268C71130100004D"
 * STE-MIB::sensUnit.1 = INTEGER: celsius(1)
 * STE-MIB::sensUnit.2 = INTEGER: percent(4)
 * STE-MIB::sensID.1 = INTEGER: 26518
 * STE-MIB::sensID.2 = INTEGER: 29068
 */

$oids = snmpwalk_cache_oid($device, "sensTable", [], "STE-MIB");

foreach ($oids as $index => $entry) {
    $oid   = ".1.3.6.1.4.1.21796.4.1.3.1.5.{$index}";
    $descr = $entry['sensName'];
    $value = $entry['sensValue'];
    $scale = 0.1;

    $options = [];
    // sensUnit: none (0), celsius (1), fahrenheit (2), kelvin (3), percent(4)
    switch ($entry['sensUnit']) {
        case 'celsius':
            $type = 'temperature';
            break;
        case 'fahrenheit':
            $type                   = 'temperature';
            $options['sensor_unit'] = 'F';
            break;
        case 'kelvin':
            $type                   = 'temperature';
            $options['sensor_unit'] = 'K';
            break;
        case 'percent':
            $type = 'humidity';
            break;
        default:
            continue 2; // continue foreach loop
    }

    if (is_numeric($value) && $entry['sensState'] != 'invalid') {
        discover_sensor($type, $device, $oid, "steSensor.$index", 'ste', $descr, $scale, $value, $options);
    }

    $oid_name = 'sensState';
    $oid_num  = ".1.3.6.1.4.1.21796.4.1.3.1.3.{$index}";
    $type     = 'ste-SensorState';
    $value    = $entry[$oid_name];

    discover_status($device, $oid_num, $oid_name . '.' . $index, $type, $descr, $value, array('entPhysicalClass' => 'other'));
}

// EOF