<?php
/**
 * coretemp sensor class
 *
 * PHP version 5
 *
 * @category  PHP
 * @package   PSI_Sensor
 * @author    Michael Cramer <BigMichi1@users.sourceforge.net>
 * @copyright 2009 phpSysInfo
 * @license   http://opensource.org/licenses/gpl-2.0.php GNU General Public License
 * @version   SVN: $Id: class.coretemp.inc.php 661 2012-08-27 11:26:39Z namiltd $
 * @link      http://phpsysinfo.sourceforge.net
 */
 /**
 * getting hardware temperature information through sysctl
 *
 * @category  PHP
 * @package   PSI_Sensor
 * @author    Michael Cramer <BigMichi1@users.sourceforge.net>
 * @author    William Johansson <radar@radhuset.org>
 * @copyright 2009 phpSysInfo
 * @license   http://opensource.org/licenses/gpl-2.0.php GNU General Public License
 * @version   Release: 3.0
 * @link      http://phpsysinfo.sourceforge.net
 */
class Coretemp extends Sensors
{
	/**
	 * get temperature information
	 *
	 * @return void
	 */
	private function _temperature()
	{
		if (PSI_OS == 'Linux') {
			$hwpaths = glob("/sys/devices/platform/coretemp.*/", GLOB_NOSORT);
			if (($totalh = count($hwpaths)) > 0) {
				$buf = "";
				for ($h = 0; $h < $totalh; $h++) {
					$tempsensor = glob($hwpaths[$h]."temp*_input", GLOB_NOSORT);
					if (($total = count($tempsensor)) > 0) {
						$buf = "";
						for ($i = 0; $i < $total; $i++) if (CommonFunctions::rfts($tempsensor[$i], $buf, 1, 4096, false) && (trim($buf) != "")) {
							$dev = new SensorDevice();
							$dev->setValue(trim($buf)/1000);
							$label = preg_replace("/_input$/", "_label", $tempsensor[$i]);
							$crit = preg_replace("/_input$/", "_crit", $tempsensor[$i]);
							$max = preg_replace("/_input$/", "_max", $tempsensor[$i]);
							$crit_alarm = preg_replace("/_input$/", "_crit_alarm", $tempsensor[$i]);
							if (CommonFunctions::fileexists($label) && CommonFunctions::rfts($label, $buf, 1, 4096, false) && (trim($buf) != "")) {
								$dev->setName(trim($buf));
							} else {
								$labelname = trim(preg_replace("/_input$/", "",  pathinfo($tempsensor[$i], PATHINFO_BASENAME)));
								if ($labelname !== "") {
									$dev->setName($labelname);
								} else {
									$dev->setName('unknown');
								}
							}
							if (CommonFunctions::fileexists($crit) && CommonFunctions::rfts($crit, $buf, 1, 4096, false) && (trim($buf) != "")) {
								$dev->setMax(trim($buf)/1000);
								if (CommonFunctions::fileexists($crit_alarm) && CommonFunctions::rfts($crit_alarm, $buf, 1, 4096, false) && (trim($buf) === "1")) {
									$dev->setEvent("Critical Alarm");
								}
							} elseif (CommonFunctions::fileexists($max) && CommonFunctions::rfts($max, $buf, 1, 4096, false) && (trim($buf) != "")) {
								$dev->setMax(trim($buf)/1000);
							}
							$this->mbinfo->setMbTemp($dev);
						}
					}
				}
			}
		} else {
			$smp = 1;
			CommonFunctions::executeProgram('sysctl', '-n kern.smp.cpus', $smp);
			for ($i = 0; $i < $smp; $i++) {
				$temp = 0;
				if (CommonFunctions::executeProgram('sysctl', '-n dev.cpu.'.$i.'.temperature', $temp)) {
					$temp = preg_replace('/C/', '', $temp);
					$dev = new SensorDevice();
					$dev->setName("CPU ".($i + 1));
					$dev->setValue($temp);
					//                    $dev->setMax(70);
					$this->mbinfo->setMbTemp($dev);
				}
			}
		}
	}

	/**
	 * get the information
	 *
	 * @see PSI_Interface_Sensor::build()
	 *
	 * @return Void
	 */
	public function build()
	{
		$this->_temperature();
	}
}