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While self-connect is running, it might be already announced which is fine
[hub.git] / application / hub / main / helper / hub / connection / class_HubSelfConnectHelper.php
1 <?php
2 /**
3  * A SelfConnect hub helper class
4  *
5  * @author              Roland Haeder <webmaster@ship-simu.org>
6  * @version             0.0.0
7  * @copyright   Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2012 Core Developer Team
8  * @license             GNU GPL 3.0 or any newer version
9  * @link                http://www.ship-simu.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 HubSelfConnectHelper extends BaseHubHelper implements HelpableHub {
26         /**
27          * Package tags
28          */
29         private $packageTags = array('self_connect');
30
31         /**
32          * Protected constructor
33          *
34          * @return      void
35          */
36         protected function __construct () {
37                 // Call parent constructor
38                 parent::__construct(__CLASS__);
39
40                 // Set recipient type
41                 $this->setRecipientType(NetworkPackage::NETWORK_TARGET_SELF);
42         }
43
44         /**
45          * Creates the helper class
46          *
47          * @return      $helperInstance         A prepared instance of this helper
48          */
49         public static final function createHubSelfConnectHelper () {
50                 // Get new instance
51                 $helperInstance = new HubSelfConnectHelper();
52
53                 // Return the prepared instance
54                 return $helperInstance;
55         }
56
57         /**
58          * Loads the descriptor XML file
59          *
60          * @return      void
61          */
62         public function loadDescriptorXml () {
63                 // Debug message
64                 $this->debugOutput('HELPER: Attempting self-connect...');
65
66                 // Get a XML template instance
67                 $templateInstance = XmlTemplateEngineFactory::createXmlTemplateEngineInstance('node_self_connect_template_class');
68
69                 // Set it for later use
70                 $this->setTemplateInstance($templateInstance);
71
72                 // Read the XML descriptor
73                 $this->getTemplateInstance()->loadSelfConnectTemplate();
74
75                 // Render the XML content
76                 $this->getTemplateInstance()->renderXmlContent();
77         }
78
79         /**
80          * Do the self-connect attempt by delivering a package to ourselfs
81          *
82          * @param       $nodeInstance   An instance of a NodeHelper class
83          * @return      void
84          */
85         public function sendPackage (NodeHelper $nodeInstance) {
86                 // Sanity check: Is the node in the approx. state? (active)
87                 $nodeInstance->getStateInstance()->validateNodeStateIsActiveOrAnnounced();
88
89                 // Compile the template, this inserts the loaded node data into the gaps.
90                 $this->getTemplateInstance()->compileTemplate();
91
92                 // Get a singleton network package instance
93                 $packageInstance = NetworkPackageFactory::createNetworkPackageInstance();
94
95                 // Next, feed the content in. The network package class is a pipe-through class.
96                 $packageInstance->enqueueRawDataFromTemplate($this);
97         }
98
99         /**
100          * Getter for package tags in a simple array
101          *
102          * @return      $tags   An array with all tags for the currently handled package
103          */
104         public final function getPackageTags () {
105                 return $this->packageTags;
106         }
107 }
108
109 // [EOF]
110 ?>