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

	/**
	 * fill the private content var through command or data access
	 */
	public function __construct()
	{
		parent::__construct();
		switch (defined('PSI_SENSOR_IPMI_ACCESS')?strtolower(PSI_SENSOR_IPMI_ACCESS):'command') {
			case 'command':
				CommonFunctions::executeProgram('ipmitool', 'sensor', $lines);
				$this->_lines = preg_split("/\n/", $lines, -1, PREG_SPLIT_NO_EMPTY);
			break;
			case 'data':
				if (CommonFunctions::rfts(APP_ROOT.'/data/ipmi.txt', $lines)) {
					$this->_lines = preg_split("/\n/", $lines, -1, PREG_SPLIT_NO_EMPTY);
				}
			break;
			default:
				$this->error->addConfigError('__construct()', 'PSI_SENSOR_IPMI_ACCESS');
			break;
		}
	}

	/**
	 * get temperature information
	 *
	 * @return void
	 */
	private function _temperature()
	{
		foreach ($this->_lines as $line) {
			$buffer = preg_split("/\s*\|\s*/", $line);
			if ($buffer[2] == "degrees C" && $buffer[3] != "na") {
				$dev = new SensorDevice();
				$dev->setName($buffer[0]);
				$dev->setValue($buffer[1]);
				if ($buffer[8] != "na") $dev->setMax($buffer[8]);
				switch ($buffer[3]) {
					case "nr": $dev->setEvent("Non-Recoverable"); break;
					case "cr": $dev->setEvent("Critical"); break;
					case "nc": $dev->setEvent("Non-Critical"); break;
				}
				$this->mbinfo->setMbTemp($dev);
			}
		}
	}

	/**
	 * get voltage information
	 *
	 * @return void
	 */
	private function _voltage()
	{
		foreach ($this->_lines as $line) {
			$buffer = preg_split("/\s*\|\s*/", $line);
			if ($buffer[2] == "Volts" && $buffer[3] != "na") {
				$dev = new SensorDevice();
				$dev->setName($buffer[0]);
				$dev->setValue($buffer[1]);
				if ($buffer[5] != "na") $dev->setMin($buffer[5]);
				if ($buffer[8] != "na") $dev->setMax($buffer[8]);
				switch ($buffer[3]) {
					case "nr": $dev->setEvent("Non-Recoverable"); break;
					case "cr": $dev->setEvent("Critical"); break;
					case "nc": $dev->setEvent("Non-Critical"); break;
				}
				$this->mbinfo->setMbVolt($dev);
			}
		}
	}

	/**
	 * get fan information
	 *
	 * @return void
	 */
	private function _fans()
	{
		foreach ($this->_lines as $line) {
			$buffer = preg_split("/\s*\|\s*/", $line);
			if ($buffer[2] == "RPM" && $buffer[3] != "na") {
				$dev = new SensorDevice();
				$dev->setName($buffer[0]);
				$dev->setValue($buffer[1]);
				if ($buffer[8] != "na") {
					$dev->setMin($buffer[8]);
				} elseif (($buffer[5] != "na") && ($buffer[5]<$buffer[1])) { //max instead min issue
					$dev->setMin($buffer[5]);
				}
				switch ($buffer[3]) {
					case "nr": $dev->setEvent("Non-Recoverable"); break;
					case "cr": $dev->setEvent("Critical"); break;
					case "nc": $dev->setEvent("Non-Critical"); break;
				}
				$this->mbinfo->setMbFan($dev);
			}
		}
	}

	/**
	 * get power information
	 *
	 * @return void
	 */
	private function _power()
	{
		foreach ($this->_lines as $line) {
			$buffer = preg_split("/\s*\|\s*/", $line);
			if ($buffer[2] == "Watts" && $buffer[3] != "na") {
				$dev = new SensorDevice();
				$dev->setName($buffer[0]);
				$dev->setValue($buffer[1]);
				if ($buffer[8] != "na") $dev->setMax($buffer[8]);
				switch ($buffer[3]) {
					case "nr": $dev->setEvent("Non-Recoverable"); break;
					case "cr": $dev->setEvent("Critical"); break;
					case "nc": $dev->setEvent("Non-Critical"); break;
				}
				$this->mbinfo->setMbPower($dev);
			}
		}
	}

	/**
	 * get current information
	 *
	 * @return void
	 */
	private function _current()
	{
		foreach ($this->_lines as $line) {
			$buffer = preg_split("/\s*\|\s*/", $line);
			if ($buffer[2] == "Amps" && $buffer[3] != "na") {
				$dev = new SensorDevice();
				$dev->setName($buffer[0]);
				$dev->setValue($buffer[1]);
				if ($buffer[8] != "na") $dev->setMax($buffer[8]);
				switch ($buffer[3]) {
					case "nr": $dev->setEvent("Non-Recoverable"); break;
					case "cr": $dev->setEvent("Critical"); break;
					case "nc": $dev->setEvent("Non-Critical"); break;
				}
				$this->mbinfo->setMbCurrent($dev);
			}
		}
	}

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