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<?php
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/**
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* Thermal Zone sensor class, getting information from Thermal Zone WMI class
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*
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* PHP version 5
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*
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* @category PHP
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* @package PSI_Sensor
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* @author Mieczyslaw Nalewaj <namiltd@users.sourceforge.net>
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* @copyright 2014 phpSysInfo
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* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License version 2, or (at your option) any later version
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* @version Release: 3.0
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* @link http://phpsysinfo.sourceforge.net
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*/
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class ThermalZone extends Sensors
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{
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/**
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* holds the COM object that we pull all the WMI data from
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*
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* @var Object
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*/
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private $_buf = array();
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/**
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* fill the private content var
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*/
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public function __construct()
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{
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parent::__construct();
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if (PSI_OS == 'WINNT') {
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$_wmi = null;
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try {
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// initialize the wmi object
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$objLocator = new COM('WbemScripting.SWbemLocator');
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$_wmi = $objLocator->ConnectServer('', 'root\WMI');
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} catch (Exception $e) {
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$this->error->addError("WMI connect error", "PhpSysInfo can not connect to the WMI interface for ThermalZone data.");
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}
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if ($_wmi) {
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$this->_buf = CommonFunctions::getWMI($_wmi, 'MSAcpi_ThermalZoneTemperature', array('InstanceName', 'CriticalTripPoint', 'CurrentTemperature'));
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}
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}
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}
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/**
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* get temperature information
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*
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* @return void
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*/
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private function _temperature()
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{
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if (PSI_OS == 'WINNT') {
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if ($this->_buf) foreach ($this->_buf as $buffer) {
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if (isset($buffer['CurrentTemperature']) && (($value = ($buffer['CurrentTemperature'] - 2732)/10) > -100)) {
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$dev = new SensorDevice();
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if (isset($buffer['InstanceName']) && preg_match("/([^\\\\ ]+)$/", $buffer['InstanceName'], $outbuf)) {
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$dev->setName('ThermalZone '.$outbuf[1]);
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} else {
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$dev->setName('ThermalZone THM0_0');
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}
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$dev->setValue($value);
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if (isset($buffer['CriticalTripPoint']) && (($maxvalue = ($buffer['CriticalTripPoint'] - 2732)/10) > 0)) {
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$dev->setMax($maxvalue);
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}
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$this->mbinfo->setMbTemp($dev);
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}
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}
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} else {
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$notwas = true;
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$thermalzones = glob('/sys/class/thermal/thermal_zone*/');
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if (is_array($thermalzones) && (count($thermalzones) > 0)) foreach ($thermalzones as $thermalzone) {
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$thermalzonetemp = $thermalzone.'temp';
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$temp = null;
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if (CommonFunctions::rfts($thermalzonetemp, $temp, 1, 4096, false) && !is_null($temp) && (($temp = trim($temp)) != "")) {
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if ($temp >= 1000) {
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$div = 1000;
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} elseif ($temp >= 200) {
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$div = 10;
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} else {
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$div = 1;
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}
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$temp = $temp / $div;
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if ($temp > -40) {
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$dev = new SensorDevice();
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$dev->setValue($temp);
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$temp_type = null;
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if (CommonFunctions::rfts($thermalzone.'type', $temp_type, 1, 4096, false) && !is_null($temp_type) && (($temp_type = trim($temp_type)) != "")) {
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$dev->setName($temp_type);
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} else {
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$dev->setName("ThermalZone");
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}
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$temp_max = null;
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if (CommonFunctions::rfts($thermalzone.'trip_point_0_temp', $temp_max, 1, 4096, false) && !is_null($temp_max) && (($temp_max = trim($temp_max)) != "") && ($temp_max > -40)) {
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$temp_max = $temp_max / $div;
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if (($temp_max != 0) || ($temp != 0)) { // if non-zero values
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$dev->setMax($temp_max);
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$this->mbinfo->setMbTemp($dev);
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}
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} else {
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$this->mbinfo->setMbTemp($dev);
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}
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$notwas = false;
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}
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}
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}
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if ($notwas) {
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$thermalzones = glob('/proc/acpi/thermal_zone/TH*/temperature');
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if (is_array($thermalzones) && (count($thermalzones) > 0)) foreach ($thermalzones as $thermalzone) {
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$temp = null;
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if (CommonFunctions::rfts($thermalzone, $temp, 1, 4096, false) && !is_null($temp) && (($temp = trim($temp)) != "")) {
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$dev = new SensorDevice();
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if (preg_match("/^\/proc\/acpi\/thermal_zone\/(.+)\/temperature$/", $thermalzone, $name)) {
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$dev->setName("ThermalZone ".$name[1]);
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} else {
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$dev->setName("ThermalZone");
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}
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$dev->setValue(trim(substr($temp, 23, 4)));
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$this->mbinfo->setMbTemp($dev);
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}
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}
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}
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}
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}
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/**
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* get the information
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*
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* @see PSI_Interface_Sensor::build()
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*
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* @return Void
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*/
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public function build()
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{
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$this->_temperature();
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}
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}
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