System->Performance: Add RuntimeVariables view helper for 'average_{,scheduled_}services_per_host' calculation.

modules/monitoring/application/views/helpers/RuntimeVariables.php

@@ -0,0 +1,66 @@
+<?php
+// @codingStandardsIgnoreStart
+// {{{ICINGA_LICENSE_HEADER}}}
+/**
+ * This file is part of Icinga Web 2.
+ *
+ * Icinga Web 2 - Head for multiple monitoring backends.
+ * Copyright (C) 2013 Icinga Development Team
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * @copyright  2013 Icinga Development Team <info@icinga.org>
+ * @license    http://www.gnu.org/licenses/gpl-2.0.txt GPL, version 2
+ * @author     Icinga Development Team <info@icinga.org>
+ *
+ */
+// {{{ICINGA_LICENSE_HEADER}}}
+
+/**
+ * Convert runtime summary data into a simple usable stdClass
+ */
+class Zend_View_Helper_RuntimeVariables extends Zend_View_Helper_Abstract
+{
+    /**
+     * Create dispatch instance
+     *
+     * @return self
+     */
+    public function runtimeVariables()
+    {
+        return $this;
+    }
+
+    /**
+     * Create a condensed row of object data
+     *
+     * @param   $result      	    stdClass
+     *
+     * @return  stdClass            Condensed row
+     */
+    public function create(stdClass $result)
+    {
+        $out = new stdClass();
+        $out->total_hosts = $result->total_hosts;
+        $out->total_scheduled_hosts = $result->total_scheduled_hosts;
+        $out->total_services = $result->total_services;
+        $out->total_scheduled_services = $result->total_scheduled_services;
+        $out->average_services_per_host = $result->total_services / $result->total_hosts;
+        $out->average_scheduled_services_per_host = $result->total_scheduled_services / $result->total_scheduled_hosts;
+
+        return $out;
+    }
+}
+// @codingStandardsIgnoreStop

modules/monitoring/application/views/scripts/process/performance.phtml

@@ -1,5 +1,5 @@
 <?php
-    $rv = $this->runtimevariables;
+    $rv = $this->runtimeVariables()->create($this->runtimevariables);
     $ps = $this->programstatus;
     $cp = $this->checkPerformance()->create($this->checkperformance);
     /** @var Zend_View_Helper_CommandForm $ch */