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<?php /* vim: set expandtab sw=4 ts=4 sts=4: */ /** * Hold PhpMyAdmin\SysInfoWINNT class * * @package PhpMyAdmin */ namespace PhpMyAdmin;
use COM; use PhpMyAdmin\SysInfoBase;
/** * Windows NT based SysInfo class * * @package PhpMyAdmin */ class SysInfoWINNT extends SysInfoBase { private $_wmi; public $os = 'WINNT';
/** * Constructor to access to wmi database. */ public function __construct() { if (!class_exists('COM')) { $this->_wmi = null; } else { // initialize the wmi object $objLocator = new COM('WbemScripting.SWbemLocator'); $this->_wmi = $objLocator->ConnectServer(); } }
/** * Gets load information * * @return array with load data */ function loadavg() { $loadavg = ""; $sum = 0; $buffer = $this->_getWMI('Win32_Processor', array('LoadPercentage'));
foreach ($buffer as $load) { $value = $load['LoadPercentage']; $loadavg .= $value . ' '; $sum += $value; }
return array('loadavg' => $sum / count($buffer)); }
/** * Checks whether class is supported in this environment * * @return true on success */ public function supported() { return !is_null($this->_wmi); }
/** * Reads data from WMI * * @param string $strClass Class to read * @param array $strValue Values to read * * @return array with results */ private function _getWMI($strClass, array $strValue = array()) { $arrData = array();
$objWEBM = $this->_wmi->Get($strClass); $arrProp = $objWEBM->Properties_; $arrWEBMCol = $objWEBM->Instances_(); foreach ($arrWEBMCol as $objItem) { $arrInstance = array(); foreach ($arrProp as $propItem) { $name = $propItem->Name; if (empty($strValue) || in_array($name, $strValue)) { $value = $objItem->$name; $arrInstance[$name] = trim($value); } } $arrData[] = $arrInstance; }
return $arrData; }
/** * Gets information about memory usage * * @return array with memory usage data */ function memory() { $buffer = $this->_getWMI( "Win32_OperatingSystem", array('TotalVisibleMemorySize', 'FreePhysicalMemory') ); $mem = Array(); $mem['MemTotal'] = $buffer[0]['TotalVisibleMemorySize']; $mem['MemFree'] = $buffer[0]['FreePhysicalMemory']; $mem['MemUsed'] = $mem['MemTotal'] - $mem['MemFree'];
$buffer = $this->_getWMI('Win32_PageFileUsage');
$mem['SwapTotal'] = 0; $mem['SwapUsed'] = 0; $mem['SwapPeak'] = 0;
foreach ($buffer as $swapdevice) { $mem['SwapTotal'] += $swapdevice['AllocatedBaseSize'] * 1024; $mem['SwapUsed'] += $swapdevice['CurrentUsage'] * 1024; $mem['SwapPeak'] += $swapdevice['PeakUsage'] * 1024; }
return $mem; } }
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