]> git.mxchange.org Git - hub.git/blob - application/hub/classes/helper/node/answer/dht/class_NodeDhtBootstrapMessageAnswerHelper.php
Updated 'core' + renamed 'main' -> 'classes'.
[hub.git] / application / hub / classes / helper / node / answer / dht / class_NodeDhtBootstrapMessageAnswerHelper.php
1 <?php
2 /**
3  * A DhtBootstrapMessageAnswer node helper class
4  *
5  * @author              Roland Haeder <webmaster@shipsimu.org>
6  * @version             0.0.0
7  * @copyright   Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2015 Hub Developer Team
8  * @license             GNU GPL 3.0 or any newer version
9  * @link                http://www.shipsimu.org
10  * @todo                Find an interface for hub helper
11  *
12  * This program is free software: you can redistribute it and/or modify
13  * it under the terms of the GNU General Public License as published by
14  * the Free Software Foundation, either version 3 of the License, or
15  * (at your option) any later version.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20  * GNU General Public License for more details.
21  *
22  * You should have received a copy of the GNU General Public License
23  * along with this program. If not, see <http://www.gnu.org/licenses/>.
24  */
25 class NodeDhtBootstrapMessageAnswerHelper extends BaseHubAnswerHelper implements HelpableNode {
26         /**
27          * Protected constructor
28          *
29          * @return      void
30          */
31         protected function __construct () {
32                 // Call parent constructor
33                 parent::__construct(__CLASS__);
34
35                 // Init package tags
36                 $this->setPackageTags(array('dht_bootstrap_answer'));
37         }
38
39         /**
40          * Creates the helper class
41          *
42          * @param       $messageData            An array with all message data
43          * @return      $helperInstance         A prepared instance of this helper
44          */
45         public final static function createNodeDhtBootstrapMessageAnswerHelper (array $messageData) {
46                 // Get new instance
47                 $helperInstance = new NodeDhtBootstrapMessageAnswerHelper();
48
49                 // Set session id of other peer as recipient
50                 $helperInstance->setRecipientType($messageData[XmlDhtBootstrapTemplateEngine::DHT_BOOTSTRAP_DATA_SESSION_ID]);
51
52                 // Set message data
53                 $helperInstance->setMessageData($messageData);
54
55                 // Return the prepared instance
56                 return $helperInstance;
57         }
58
59         /**
60          * Loads the descriptor XML file
61          *
62          * @param       $nodeInstance   An instance of a NodeHelper class
63          * @return      void
64          */
65         public function loadDescriptorXml (NodeHelper $nodeInstance) {
66                 // Debug message
67                 self::createDebugInstance(__CLASS__)->debugOutput('HELPER[' . __METHOD__ . ':' . __LINE__ . ']: Attempting to answer a DHT bootstrap request...');
68
69                 // Get a XML template instance
70                 $templateInstance = XmlTemplateEngineFactory::createXmlTemplateEngineInstance('node_dht_bootstrap_answer_template_class');
71
72                 // Set it for later use
73                 $this->setTemplateInstance($templateInstance);
74
75                 // Read the XML descriptor
76                 $templateInstance->loadXmlTemplate();
77
78                 // Render the XML content
79                 $templateInstance->renderXmlContent();
80         }
81
82         /**
83          * Send out announcement answer package
84          *
85          * @param       $nodeInstance   An instance of a NodeHelper class
86          * @return      void
87          */
88         public function sendPackage (NodeHelper $nodeInstance) {
89                 // Sanity check: Is the node in the approx. state? (active/reachable)
90                 $nodeInstance->getStateInstance()->validateNodeStateIsActiveOrReachable();
91
92                 // Compile the template, this inserts the loaded node data into the gaps.
93                 $this->getTemplateInstance()->compileTemplate();
94
95                 // Get a singleton network package instance
96                 $packageInstance = NetworkPackageFactory::createNetworkPackageInstance();
97
98                 // Next, feed the content in. The network package class is a pipe-through class.
99                 $packageInstance->enqueueRawDataFromTemplate($this);
100         }
101 }
102
103 // [EOF]
104 ?>