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<?php

/**

 * freeipmi sensor class, getting information from ipmi-sensors

 *

 * PHP version 5

 *

 * @category  PHP

 * @package   PSI_Sensor

 * @author    Mieczyslaw Nalewaj <namiltd@users.sourceforge.net>

 * @copyright 2014 phpSysInfo

 * @license   http://opensource.org/licenses/gpl-2.0.php GNU General Public License version 2, or (at your option) any later version

 * @version   Release: 3.0

 * @link      http://phpsysinfo.sourceforge.net

 */

class FreeIPMI 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();

        if ((PSI_OS != 'WINNT') && (!defined('PSI_EMU_HOSTNAME') || defined('PSI_EMU_PORT'))) switch (defined('PSI_SENSOR_FREEIPMI_ACCESS')?strtolower(PSI_SENSOR_FREEIPMI_ACCESS):'command') {

        case 'command':

            CommonFunctions::executeProgram('ipmi-sensors', '--output-sensor-thresholds', $lines);

            $this->_lines = preg_split("/\r?\n/", $lines, -1, PREG_SPLIT_NO_EMPTY);

            break;

        case 'data':

            if (!defined('PSI_EMU_PORT') && CommonFunctions::rftsdata('freeipmi.tmp', $lines)) {

                $this->_lines = preg_split("/\r?\n/", $lines, -1, PREG_SPLIT_NO_EMPTY);

            }

            break;

        default:

            $this->error->addConfigError('__construct()', '[sensor_freeipmi] ACCESS');

        }

    }

    /**

     * get temperature information

     *

     * @return void

     */

    private function _temperature()

    {

        foreach ($this->_lines as $line) {

            $buffer = preg_split("/\s*\|\s*/", $line);

            if ($buffer[2] == "Temperature" && $buffer[11] != "N/A" && $buffer[4] == "C") {

                $dev = new SensorDevice();

                $dev->setName($buffer[1]);

                $dev->setValue($buffer[3]);

                if ($buffer[9] != "N/A") $dev->setMax($buffer[9]);

                if ($buffer[11] != "'OK'") $dev->setEvent(trim($buffer[11], "'"));

                $this->mbinfo->setMbTemp($dev);

            }

        }

    }

    /**

     * get voltage information

     *

     * @return void

     */

    private function _voltage()

    {

        foreach ($this->_lines as $line) {

            $buffer = preg_split("/\s*\|\s*/", $line);

            if ($buffer[2] == "Voltage" && $buffer[11] != "N/A" && $buffer[4] == "V") {

                $dev = new SensorDevice();

                $dev->setName($buffer[1]);

                $dev->setValue($buffer[3]);

                if ($buffer[6] != "N/A") $dev->setMin($buffer[6]);

                if ($buffer[9] != "N/A") $dev->setMax($buffer[9]);

                if ($buffer[11] != "'OK'") $dev->setEvent(trim($buffer[11], "'"));

                $this->mbinfo->setMbVolt($dev);

            }

        }

    }

    /**

     * get fan information

     *

     * @return void

     */

    private function _fans()

    {

        foreach ($this->_lines as $line) {

            $buffer = preg_split("/\s*\|\s*/", $line);

            if ($buffer[2] == "Fan" && $buffer[11] != "N/A" && $buffer[4] == "RPM") {

                $dev = new SensorDevice();

                $dev->setName($buffer[1]);

                $dev->setValue($buffer[3]);

                if ($buffer[6] != "N/A") {

                    $dev->setMin($buffer[6]);

                } elseif (($buffer[9] != "N/A") && ($buffer[9]<$buffer[3])) { //max instead min issue

                    $dev->setMin($buffer[9]);

                }

                if ($buffer[11] != "'OK'") $dev->setEvent(trim($buffer[11], "'"));

                $this->mbinfo->setMbFan($dev);

            }

        }

    }

    /**

     * get power information

     *

     * @return void

     */

    private function _power()

    {

        foreach ($this->_lines as $line) {

            $buffer = preg_split("/\s*\|\s*/", $line);

            if ($buffer[2] == "Current" && $buffer[11] != "N/A" && $buffer[4] == "W") {

                $dev = new SensorDevice();

                $dev->setName($buffer[1]);

                $dev->setValue($buffer[3]);

                if ($buffer[9] != "N/A") $dev->setMax($buffer[9]);

                if ($buffer[11] != "'OK'") $dev->setEvent(trim($buffer[11], "'"));

                $this->mbinfo->setMbPower($dev);

            }

        }

    }

    /**

     * get current information

     *

     * @return void

     */

    private function _current()

    {

        foreach ($this->_lines as $line) {

            $buffer = preg_split("/\s*\|\s*/", $line);

            if ($buffer[2] == "Current" && $buffer[11] != "N/A" && $buffer[4] == "A") {

                $dev = new SensorDevice();

                $dev->setName($buffer[1]);

                $dev->setValue($buffer[3]);

                if ($buffer[6] != "N/A") $dev->setMin($buffer[6]);

                if ($buffer[9] != "N/A") $dev->setMax($buffer[9]);

                if ($buffer[11] != "'OK'") $dev->setEvent(trim($buffer[11], "'"));

                $this->mbinfo->setMbCurrent($dev);

            }

        }

    }

    /**

     * get other information

     *

     * @return void

     */

    private function _other()

    {

        foreach ($this->_lines as $line) {

            $buffer = preg_split("/\s*\|\s*/", $line);

             if ($buffer[4] == "N/A"

                && $buffer[2] != "OEM Reserved" && $buffer[11] != "N/A") {

                $dev = new SensorDevice();

                $dev->setName($buffer[1].' ('.$buffer[2].')');

                $dev->setValue(trim($buffer[11], '\''));

                $this->mbinfo->setMbOther($dev);

            }

        }

    }

    /**

     * get the information

     *

     * @see PSI_Interface_Sensor::build()

     *

     * @return void

     */

    public function build()

    {

        $this->_temperature();

        $this->_voltage();

        $this->_fans();

        $this->_power();

        $this->_current();

        $this->_other();

    }

}