mirror of
https://github.com/Icinga/icingaweb2.git
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114 lines
3.0 KiB
PHP
114 lines
3.0 KiB
PHP
<?php
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// {{{ICINGA_LICENSE_HEADER}}}
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/**
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* This file is part of Icinga 2 Web.
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*
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* Icinga 2 Web - Head for multiple monitoring backends.
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* Copyright (C) 2013 Icinga Development Team
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* @copyright 2013 Icinga Development Team <info@icinga.org>
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* @license http://www.gnu.org/licenses/gpl-2.0.txt GPL, version 2
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* @author Icinga Development Team <info@icinga.org>
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*/
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// {{{ICINGA_LICENSE_HEADER}}}
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namespace Icinga\Web\Hook;
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/**
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* Icinga Web Grapher Hook base class
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*
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* Extend this class if you want to integrate your graphing solution nicely into
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* Icinga Web
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*
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* @copyright Copyright (c) 2013 Icinga-Web Team <info@icinga.org>
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* @author Icinga-Web Team <info@icinga.org>
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* @license http://www.gnu.org/copyleft/gpl.html GNU General Public License
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*/
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class Grapher
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{
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/**
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* Whether this grapher provides preview images
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*
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* @var bool
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*/
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protected $hasPreviews = false;
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/**
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* Constructor must live without arguments right now
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*
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* Therefore the constructor is final, we might change our opinion about
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* this one far day
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*/
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final public function __construct()
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{
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$this->init();
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}
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/**
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* Whether this grapher provides preview images
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*
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* @return bool
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*/
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public function hasPreviews()
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{
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return $this->hasPreviews;
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}
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/**
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* Overwrite this function if you want to do some initialization stuff
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*
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* @return void
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*/
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protected function init()
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{
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}
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/**
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* Whether a graph for the given host[, service [, plot]] exists
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*
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* @return bool
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*/
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public function hasGraph($host, $service = null, $plot = null)
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{
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return false;
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}
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/**
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* Get a preview image for the given host[, service [, plot]] exists
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*
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* WARNING: We are not sure yet whether this will remain as is
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*
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* @return string
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*/
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public function getPreviewImage($host, $service = null, $plot = null)
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{
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throw new Exception('This backend has no preview images');
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}
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/**
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* Get URL pointing to the grapher
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*
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* WARNING: We are not sure yet whether this will remain as is
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*
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* @return string
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*/
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public function getGraphUrl($host, $service = null, $plot = null)
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{
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throw new Exception('This backend has no images');
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}
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}
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