<?php
/**
 * hwsensors 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.hwsensors.inc.php 661 2012-08-27 11:26:39Z namiltd $
 * @link      http://phpsysinfo.sourceforge.net
 */
 /**
 * getting information from hwsensors
 *
 * @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   Release: 3.0
 * @link      http://phpsysinfo.sourceforge.net
 */
class HWSensors extends Sensors
{
	/**
	 * content to parse
	 *
	 * @var array
	 */
	private $_lines = array();

	/**
	 * fill the private content var through command
	 */
	public function __construct()
	{
		parent::__construct();
		$lines = "";
		//        CommonFunctions::executeProgram('sysctl', '-w hw.sensors', $lines);
		CommonFunctions::executeProgram('sysctl', 'hw.sensors', $lines);
		$this->_lines = preg_split("/\n/", $lines, -1, PREG_SPLIT_NO_EMPTY);
	}

	/**
	 * get temperature information
	 *
	 * @return void
	 */
	private function _temperature()
	{
		foreach ($this->_lines as $line) {
			if (preg_match('/^hw\.sensors\.[0-9]+=[^\s,]+,\s+([^,]+),\s+temp,\s+([0-9\.]+)\s+degC.*$/', $line, $ar_buf)) {
				$dev = new SensorDevice();
				$dev->setName($ar_buf[1]);
				$dev->setValue($ar_buf[2]);
				$this->mbinfo->setMbTemp($dev);
			} elseif (preg_match('/^hw\.sensors\.[0-9]+=[^\s,]+,\s+([^,]+),\s+([0-9\.]+)\s+degC$/', $line, $ar_buf)) {
				$dev = new SensorDevice();
				$dev->setName($ar_buf[1]);
				$dev->setValue($ar_buf[2]);
				$this->mbinfo->setMbTemp($dev);
			} elseif (preg_match('/^hw\.sensors\.[^\.]+\.(.*)=([0-9\.]+)\s+degC\s+\((.*)\)$/', $line, $ar_buf)) {
				$dev = new SensorDevice();
				$dev->setName($ar_buf[3]);
				$dev->setValue($ar_buf[2]);
				$this->mbinfo->setMbTemp($dev);
			} elseif (preg_match('/^hw\.sensors\.[^\.]+\.(.*)=([0-9\.]+)\s+degC$/', $line, $ar_buf)) {
				$dev = new SensorDevice();
				$dev->setName($ar_buf[1]);
				$dev->setValue($ar_buf[2]);
				$this->mbinfo->setMbTemp($dev);
			}
		}
	}

	/**
	 * get fan information
	 *
	 * @return void
	 */
	private function _fans()
	{
		foreach ($this->_lines as $line) {
			if (preg_match('/^hw\.sensors\.[0-9]+=[^\s,]+,\s+([^,]+),\s+fanrpm,\s+([0-9\.]+)\s+RPM.*$/', $line, $ar_buf)) {
				$dev = new SensorDevice();
				$dev->setName($ar_buf[1]);
				$dev->setValue($ar_buf[2]);
				$this->mbinfo->setMbFan($dev);
			} elseif (preg_match('/^hw\.sensors\.[0-9]+=[^\s,]+,\s+([^,]+),\s+([0-9\.]+)\s+RPM$/', $line, $ar_buf)) {
				$dev = new SensorDevice();
				$dev->setName($ar_buf[1]);
				$dev->setValue($ar_buf[2]);
				$this->mbinfo->setMbFan($dev);
			} elseif (preg_match('/^hw\.sensors\.[^\.]+\.(.*)=([0-9\.]+)\s+RPM\s+\((.*)\)$/', $line, $ar_buf)) {
				$dev = new SensorDevice();
				$dev->setName($ar_buf[3]);
				$dev->setValue($ar_buf[2]);
				$this->mbinfo->setMbFan($dev);
			} elseif (preg_match('/^hw\.sensors\.[^\.]+\.(.*)=([0-9\.]+)\s+RPM$/', $line, $ar_buf)) {
				$dev = new SensorDevice();
				$dev->setName($ar_buf[1]);
				$dev->setValue($ar_buf[2]);
				$this->mbinfo->setMbFan($dev);
			}
		}
	}

	/**
	 * get voltage information
	 *
	 * @return void
	 */
	private function _voltage()
	{
		foreach ($this->_lines as $line) {
			if (preg_match('/^hw\.sensors\.[0-9]+=[^\s,]+,\s+([^,]+),\s+volts_dc,\s+([0-9\.]+)\s+V.*$/', $line, $ar_buf)) {
				$dev = new SensorDevice();
				$dev->setName($ar_buf[1]);
				$dev->setValue($ar_buf[2]);
				$this->mbinfo->setMbVolt($dev);
			} elseif (preg_match('/^hw\.sensors\.[0-9]+=[^\s,]+,\s+([^,]+),\s+([0-9\.]+)\s+V\sDC$/', $line, $ar_buf)) {
				$dev = new SensorDevice();
				$dev->setName($ar_buf[1]);
				$dev->setValue($ar_buf[2]);
				$this->mbinfo->setMbVolt($dev);
			} elseif (preg_match('/^hw\.sensors\.[^\.]+\.(.*)=([0-9\.]+)\s+VDC\s+\((.*)\)$/', $line, $ar_buf)) {
				$dev = new SensorDevice();
				$dev->setName($ar_buf[3]);
				$dev->setValue($ar_buf[2]);
				$this->mbinfo->setMbVolt($dev);
			} elseif (preg_match('/^hw\.sensors\.[^\.]+\.(.*)=([0-9\.]+)\s+VDC$/', $line, $ar_buf)) {
				$dev = new SensorDevice();
				$dev->setName($ar_buf[1]);
				$dev->setValue($ar_buf[2]);
				$this->mbinfo->setMbVolt($dev);
			}
		}
	}

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