<?php

/**
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package        observium
 * @subpackage     discovery
 * @author         Nick Schmalenberger <nick@schmalenberger.us>
 * @copyright  (C) Adam Armstrong
 *
 */

#this gets the sensors from the device
$sensor_array = snmpwalk_cache_oid($device, 'owl.climateTable', [], 'IT-WATCHDOGS-MIB-V3');

#these are the 2 types of sensors we want to handle
$sensor_type_map = [
  'climateTempC'    => 'temperature',
  'climateHumidity' => 'humidity',
];

#the sensor array has members that are climateTables which include various sensor data
foreach ($sensor_array as $indexof_climateTables => $climateTable) {
    foreach ($climateTable as $oidname => $value) {
        #this checks if the sensor in this climateTable is one of the 2 types we want
        if ($sensor_type_map[$oidname] && is_numeric($value)) {
            $ok = TRUE;

            $type = $sensor_type_map[$oidname];
            if ($type == 'temperature') {
                #this checks if the temperature reading is within the range from the datasheet
                #http://www.itwatchdogs.com/DataSheets/MicroGoose%20datasheet%20(v1.06).pdf
                if ($value < -30 || $value > 85) {
                    $ok = FALSE;
                    print_debug('Temperature was out of range.');
                }
                #this oid is IT-WATCHDOGS-MIB-V3::climateTempC .X
                $oid   = ".1.3.6.1.4.1.17373.3.2.1.5.$indexof_climateTables";
                $descr = 'Degrees Celsius';
            }

            if ($type == 'humidity') {
                #this checks if the humidity reading is within range as a percentage point
                if ($value < 0 || $value > 100) {
                    $ok = FALSE;
                    print_debug('Humidity was out of range.');
                }
                #this oid is IT-WATCHDOGS-MIB-V3::climateHumidity .X
                $oid   = ".1.3.6.1.4.1.17373.3.2.1.7.$indexof_climateTables";
                $descr = 'Relative Humidity';
            }

            if ($ok) {
                #this is what actually adds the sensor
                discover_sensor($type, $device, $oid, $oidname, 'it-watchdogs-mib-v3', $descr, 1, $value);
            }
        }
    }
}

unset($sensor_type_map, $oid, $sensor_array, $index, $type, $value, $descr, $ok);

// EOF