1 files changed, 135 insertions, 0 deletions
diff --git a/srcs/phpmyadmin/libraries/classes/SysInfoWINNT.php b/srcs/phpmyadmin/libraries/classes/SysInfoWINNT.php
new file mode 100644
index 0000000..063c7e4
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/SysInfoWINNT.php
@@ -0,0 +1,135 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Hold PhpMyAdmin\SysInfoWINNT class
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin;
+
+use COM;
+use PhpMyAdmin\SysInfoBase;
+use function is_string;
+
+/**
+ * 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
+     */
+    public function loadavg()
+    {
+        $sum = 0;
+        $buffer = $this->_getWMI('Win32_Processor', ['LoadPercentage']);
+
+        foreach ($buffer as $load) {
+            $value = $load['LoadPercentage'];
+            $sum += $value;
+        }
+
+        return ['loadavg' => $sum / count($buffer)];
+    }
+
+    /**
+     * Checks whether class is supported in this environment
+     *
+     * @return bool true on success
+     */
+    public function supported()
+    {
+        return $this->_wmi !== null;
+    }
+
+    /**
+     * 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 = [])
+    {
+        $arrData = [];
+
+        $objWEBM = $this->_wmi->Get($strClass);
+        $arrProp = $objWEBM->Properties_;
+        $arrWEBMCol = $objWEBM->Instances_();
+        foreach ($arrWEBMCol as $objItem) {
+            $arrInstance = [];
+            foreach ($arrProp as $propItem) {
+                $name = $propItem->Name;
+                if (empty($strValue) || in_array($name, $strValue)) {
+                    $value = $objItem->$name;
+                    if (is_string($value)) {
+                        $arrInstance[$name] = trim($value);
+                    } else {
+                        $arrInstance[$name] = $value;
+                    }
+                }
+            }
+            $arrData[] = $arrInstance;
+        }
+
+        return $arrData;
+    }
+
+    /**
+     * Gets information about memory usage
+     *
+     * @return array with memory usage data
+     */
+    public function memory()
+    {
+        $buffer = $this->_getWMI(
+            "Win32_OperatingSystem",
+            [
+                'TotalVisibleMemorySize',
+                'FreePhysicalMemory',
+            ]
+        );
+        $mem = [];
+        $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;
+    }
+}