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Darwin.php
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Darwin.php
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<?php
/**
* phpRack: Integration Testing Framework
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt. It is also available
* through the world-wide-web at this URL: http://www.phprack.com/LICENSE.txt
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@phprack.com so we can send you a copy immediately.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @copyright Copyright (c) 2009-2012 phpRack.com
* @version $Id: Linux.php 447 2010-04-24 03:59:09Z yegor256@yahoo.com $
* @category phpRack
* @package Adapters
*/
/**
* @see phpRack_Adapters_Cpu_Abstract
*/
require_once PHPRACK_PATH . '/Adapters/Cpu/Abstract.php';
/**
* @see phpRack_Exception
*/
require_once PHPRACK_PATH . '/Exception.php';
/**
* Darwin CPU Adapter (Mac OS)
*
* @package Adapters
* @subpackage Cpu
* @todo #17 Should be implemented
*/
class phpRack_Adapters_Cpu_Darwin extends phpRack_Adapters_Cpu_Abstract
{
/**
* Get CPU BogoMips
*
* @return float
* @see phpRack_Package_Cpu_Performance::atLeast()
* @see phpRack_Adapters_Cpu_Abstract::getBogoMips()
*/
public function getBogoMips()
{
return $this->getCpuFrequency() * 2;
}
/**
* Get CPU frequency in MHz
*
* @return float
* @throws phpRack_Exception If can't get cpu frequency
* @see getBogoMips()
* @see phpRack_Adapters_Cpu_Abstract::getCpuFrequency()
*/
public function getCpuFrequency()
{
/**
* @see phpRack_Adapters_Shell_Command
*/
require_once PHPRACK_PATH . '/Adapters/Shell/Command.php';
$data = phpRack_Adapters_Shell_Command::factory(
'system_profiler SPHardwareDataType -xml 2>&1'
)->run();
$xml = simplexml_load_string($data);
if (!($xml instanceof SimpleXMLElement)) {
throw new phpRack_Exception("Invalid result from system_profiler: '{$data}'");
}
$nodes = $xml->xpath('//string[preceding-sibling::key="current_processor_speed"]');
$node = strval($nodes[0]);
if (strpos($node, 'GHz') === false) {
throw new phpRack_Exception("Strange frequency from system_profiler: '{$node}'");
}
return floatval($node) * 1000;
}
}