3 * A AnnouncementAnswerOkay handler
5 * @author Roland Haeder <webmaster@ship-simu.org>
7 * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2012 Hub Developer Team
8 * @license GNU GPL 3.0 or any newer version
9 * @link http://www.ship-simu.org
11 * This program is free software: you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation, either version 3 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 class AnnouncementAnswerOkayHandler extends BaseAnserStatusHandler implements HandleableAnswerStatus, Registerable {
26 * Protected constructor
30 protected function __construct () {
31 // Call parent constructor
32 parent::__construct(__CLASS__);
35 $this->setHandlerName('answer_okay');
39 * Creates an instance of this class
41 * @return $handlerInstance An instance of a HandleableMessage class
43 public final static function createAnnouncementAnswerOkayHandler () {
45 $handlerInstance = new AnnouncementAnswerOkayHandler();
47 // Return the prepared instance
48 return $handlerInstance;
52 * Handles given message data array
54 * @param $messageData An array of message data
56 * @throws NodeSessionIdVerficationException If the provided session id is not matching
58 public function handleAnswerMessageData (array $messageData) {
59 // Get a database wrapper instance
60 $wrapperInstance = ObjectFactory::createObjectByConfiguredName('node_list_db_wrapper_class');
62 // Get also a search criteria instance
63 $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
65 // Lookup external session id/external IP/port
66 $searchInstance->addCriteria('node_session_id' , $messageData[XmlAnnouncementAnswerTemplateEngine::ANNOUNCEMENT_DATA_SESSION_ID]);
67 $searchInstance->addCriteria('node_external_ip', $messageData[XmlAnnouncementAnswerTemplateEngine::ANNOUNCEMENT_DATA_EXTERNAL_IP]);
68 $searchInstance->addCriteria('node_tcp_port' , $messageData[XmlAnnouncementAnswerTemplateEngine::ANNOUNCEMENT_DATA_TCP_PORT]);
70 // Only one entry is fine
71 $searchInstance->setLimit(1);
74 $resultInstance = $wrapperInstance->doSelectByCriteria($searchInstance);
77 if (!$resultInstance->next()) {
78 // This is fatal, caused by "stolen" session id and/or not matching IP number/port combination
79 throw new NodeSessionIdVerficationException(array($this, $messageData), BaseHubSystem::EXCEPTION_NODE_SESSION_ID_NOT_VERIFYING);
82 // Update node data (include status code)
83 $wrapperInstance->updateNodeByMessageData($messageData, $this, $searchInstance);