Initial commit

#pma/libraries/sysinfo.lib.php

@@ -0,0 +1,61 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Library for extracting information about system memory and cpu.
+ * Currently supports all Windows and Linux platforms
+ *
+ * This code is based on the OS Classes from the phpsysinfo project
+ * (http://phpsysinfo.github.io/phpsysinfo/)
+ *
+ * @package PhpMyAdmin-sysinfo
+ */
+if (! defined('PHPMYADMIN')) {
+    exit;
+}
+
+define(
+    'MEMORY_REGEXP',
+    '/^(MemTotal|MemFree|Cached|Buffers|SwapCached|SwapTotal|SwapFree):'
+    . '\s+(.*)\s*kB/im'
+);
+
+/**
+ * Returns OS type used for sysinfo class
+ *
+ * @param string $php_os PHP_OS constant
+ *
+ * @return string
+ */
+function PMA_getSysInfoOs($php_os = PHP_OS)
+{
+
+    // look for common UNIX-like systems
+    $unix_like = array('FreeBSD', 'DragonFly');
+    if (in_array($php_os, $unix_like)) {
+        $php_os = 'Linux';
+    }
+
+    return ucfirst($php_os);
+}
+
+/**
+ * Gets sysinfo class mathing current OS
+ *
+ * @return \PMA\libraries\SysInfo|mixed sysinfo class
+ */
+function PMA_getSysInfo()
+{
+    $php_os = PMA_getSysInfoOs();
+    $supported = array('Linux', 'WINNT', 'SunOS');
+
+    if (in_array($php_os, $supported)) {
+        $class_name = 'PMA\libraries\SysInfo' . $php_os;
+        /** @var \PMA\libraries\SysInfo $ret */
+        $ret = new $class_name();
+        if ($ret->supported()) {
+            return $ret;
+        }
+    }
+
+    return new \PMA\libraries\SysInfo();
+}