130 lines
3.1 KiB
PHP
130 lines
3.1 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Hold PhpMyAdmin\SysInfoWINNT class
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*
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* @package PhpMyAdmin
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*/
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declare(strict_types=1);
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namespace PhpMyAdmin;
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use COM;
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use PhpMyAdmin\SysInfoBase;
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/**
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* Windows NT based SysInfo class
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*
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* @package PhpMyAdmin
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*/
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class SysInfoWINNT extends SysInfoBase
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{
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private $_wmi;
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public $os = 'WINNT';
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/**
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* Constructor to access to wmi database.
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*/
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public function __construct()
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{
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if (!class_exists('COM')) {
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$this->_wmi = null;
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} else {
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// initialize the wmi object
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$objLocator = new COM('WbemScripting.SWbemLocator');
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$this->_wmi = $objLocator->ConnectServer();
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}
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}
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/**
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* Gets load information
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*
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* @return array with load data
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*/
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public function loadavg()
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{
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$loadavg = "";
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$sum = 0;
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$buffer = $this->_getWMI('Win32_Processor', ['LoadPercentage']);
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foreach ($buffer as $load) {
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$value = $load['LoadPercentage'];
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$loadavg .= $value . ' ';
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$sum += $value;
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}
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return ['loadavg' => $sum / count($buffer)];
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}
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/**
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* Checks whether class is supported in this environment
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*
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* @return true on success
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*/
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public function supported()
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{
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return !is_null($this->_wmi);
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}
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/**
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* Reads data from WMI
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*
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* @param string $strClass Class to read
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* @param array $strValue Values to read
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*
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* @return array with results
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*/
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private function _getWMI($strClass, array $strValue = [])
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{
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$arrData = [];
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$objWEBM = $this->_wmi->Get($strClass);
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$arrProp = $objWEBM->Properties_;
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$arrWEBMCol = $objWEBM->Instances_();
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foreach ($arrWEBMCol as $objItem) {
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$arrInstance = [];
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foreach ($arrProp as $propItem) {
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$name = $propItem->Name;
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if (empty($strValue) || in_array($name, $strValue)) {
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$value = $objItem->$name;
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$arrInstance[$name] = trim($value);
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}
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}
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$arrData[] = $arrInstance;
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}
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return $arrData;
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}
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/**
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* Gets information about memory usage
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*
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* @return array with memory usage data
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*/
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public function memory()
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{
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$buffer = $this->_getWMI(
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"Win32_OperatingSystem",
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['TotalVisibleMemorySize', 'FreePhysicalMemory']
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);
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$mem = [];
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$mem['MemTotal'] = $buffer[0]['TotalVisibleMemorySize'];
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$mem['MemFree'] = $buffer[0]['FreePhysicalMemory'];
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$mem['MemUsed'] = $mem['MemTotal'] - $mem['MemFree'];
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$buffer = $this->_getWMI('Win32_PageFileUsage');
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$mem['SwapTotal'] = 0;
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$mem['SwapUsed'] = 0;
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$mem['SwapPeak'] = 0;
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foreach ($buffer as $swapdevice) {
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$mem['SwapTotal'] += $swapdevice['AllocatedBaseSize'] * 1024;
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$mem['SwapUsed'] += $swapdevice['CurrentUsage'] * 1024;
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$mem['SwapPeak'] += $swapdevice['PeakUsage'] * 1024;
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}
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return $mem;
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}
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}
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