+<?php
+/**
+ * A NodeMessageAnnouncement handler
+ *
+ * @author Roland Haeder <webmaster@ship-simu.org>
+ * @version 0.0.0
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2012 Hub Developer Team
+ * @license GNU GPL 3.0 or any newer version
+ * @link http://www.ship-simu.org
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+class NodeMessageAnnouncementHandler extends BaseMessageHandler implements HandleableMessage, Registerable {
+ /**
+ * Array with all data XML nodes (which hold the actual data) and their values
+ */
+ private $messageDataElements = array();
+
+ /**
+ * Protected constructor
+ *
+ * @return void
+ */
+ protected function __construct () {
+ // Call parent constructor
+ parent::__construct(__CLASS__);
+
+ // Set handler name
+ $this->setHandlerName('message_type_announcement');
+
+ // Init message data array
+ $this->messageDataElements = array(
+ XmlAnnouncementTemplateEngine::ANNOUNCEMENT_DATA_EXTERNAL_IP,
+ XmlAnnouncementTemplateEngine::ANNOUNCEMENT_DATA_NODE_STATUS,
+ XmlAnnouncementTemplateEngine::ANNOUNCEMENT_DATA_SESSION_ID,
+ XmlAnnouncementTemplateEngine::ANNOUNCEMENT_DATA_TCP_PORT,
+ XmlAnnouncementTemplateEngine::ANNOUNCEMENT_DATA_UDP_PORT
+ );
+ }
+
+ /**
+ * Creates an instance of this class
+ *
+ * @return $handlerInstance An instance of a HandleableMessage class
+ */
+ public final static function createNodeMessageAnnouncementHandler () {
+ // Get new instance
+ $handlerInstance = new NodeMessageAnnouncementHandler();
+
+ // Return the prepared instance
+ return $handlerInstance;
+ }
+
+ /**
+ * Handles data array of the message
+ *
+ * @param $messageData An array with message data to handle
+ * @param $packageInstance An instance of a Receivable class
+ * @return void
+ */
+ public function handleMessageData (array $messageData, Receivable $packageInstance) {
+ // Register the announcing node with this node
+ $this->registerNodeByMessageData($messageData);
+
+ // Prepare answer message to be delivered back to the other node
+ $this->prepareAnswerMessage($messageData, $packageInstance);
+ }
+
+ /**
+ * Adds all required elements from given array into data set instance
+ *
+ * @param $dataSetInstance An instance of a StoreableCriteria class
+ * @param $messageData An array with all message data
+ * @return void
+ */
+ public function addArrayToDataSet (StoreableCriteria $dataSetInstance, array $messageData) {
+ // Add all ements
+ foreach ($this->messageDataElements as $key) {
+ // Is it there?
+ assert(isset($messageData[$key]));
+
+ // Add it
+ $dataSetInstance->addCriteria('node_' . $key, $messageData[$key]);
+ } // END - foreach
+ }
+}
+
+// [EOF]
+?>