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msd2/tracking/piwik/plugins/Diagnostics/Diagnostic/NfsDiskCheck.php

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+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ */
+namespace Piwik\Plugins\Diagnostics\Diagnostic;
+
+use Piwik\Config;
+use Piwik\Filesystem;
+use Piwik\Translation\Translator;
+
+/**
+ * Checks if the filesystem Piwik stores sessions in is NFS or not.
+ *
+ * This check is done in order to avoid using file based sessions on NFS system,
+ * since on such a filesystem file locking can make file based sessions incredibly slow.
+ */
+class NfsDiskCheck implements Diagnostic
+{
+    /**
+     * @var Translator
+     */
+    private $translator;
+
+    public function __construct(Translator $translator)
+    {
+        $this->translator = $translator;
+    }
+
+    public function execute()
+    {
+        $label = $this->translator->translate('Installation_Filesystem');
+
+        if (! Filesystem::checkIfFileSystemIsNFS()) {
+            return array(DiagnosticResult::singleResult($label, DiagnosticResult::STATUS_OK));
+        }
+
+        $isPiwikInstalling = !Config::getInstance()->existsLocalConfig();
+        if ($isPiwikInstalling) {
+            $help = 'Installation_NfsFilesystemWarningSuffixInstall';
+        } else {
+            $help = 'Installation_NfsFilesystemWarningSuffixAdmin';
+        }
+
+        $comment = sprintf(
+            '%s<br />%s',
+            $this->translator->translate('Installation_NfsFilesystemWarning'),
+            $this->translator->translate($help)
+        );
+
+        return array(DiagnosticResult::singleResult($label, DiagnosticResult::STATUS_WARNING, $comment));
+    }
+}