git.mxchange.org Git - hub.git/blob

   1 <?php
   2 // Own namespace
   3 namespace Org\Shipsimu\Hub\Handler\Node\Answer\Announcement;
   4
   5 // Import application-specific stuff
   6 use Org\Shipsimu\Hub\Factory\Node\NodeObjectFactory;
   7 use Org\Shipsimu\Hub\Handler\Message\BaseMessageHandler;
   8 use Org\Shipsimu\Hub\Handler\Message\HandleableMessage;
   9 use Org\Shipsimu\Hub\Network\Message\DeliverableMessage;
  10 use Org\Shipsimu\Hub\Network\Receive\Receivable;
  11 use Org\Shipsimu\Hub\Template\Engine\Xml\Announcement\XmlAnnouncementTemplateEngine;
  12 use Org\Shipsimu\Hub\Template\Engine\Xml\Answer\Announcement\XmlAnnouncementAnswerTemplateEngine;
  13 use Org\Shipsimu\Hub\Template\Engine\Xml\Network\Answer\BaseXmlAnswerTemplateEngine;
  14
  15 // Import framework stuff
  16 use Org\Mxchange\CoreFramework\Criteria\Storing\StoreableCriteria;
  17 use Org\Mxchange\CoreFramework\Generic\UnsupportedOperationException;
  18 use Org\Mxchange\CoreFramework\Registry\Registerable;
  19
  20 /**
  21  * A NodeMessageAnnouncementAnswer handler
  22  *
  23  * @author              Roland Haeder <webmaster@shipsimu.org>
  24  * @version             0.0.0
  25  * @copyright   Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2020 Hub Developer Team
  26  * @license             GNU GPL 3.0 or any newer version
  27  * @link                http://www.shipsimu.org
  28  *
  29  * This program is free software: you can redistribute it and/or modify
  30  * it under the terms of the GNU General Public License as published by
  31  * the Free Software Foundation, either version 3 of the License, or
  32  * (at your option) any later version.
  33  *
  34  * This program is distributed in the hope that it will be useful,
  35  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  36  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  37  * GNU General Public License for more details.
  38  *
  39  * You should have received a copy of the GNU General Public License
  40  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  41  */
  42 class NodeMessageAnnouncementAnswerHandler extends BaseMessageHandler implements HandleableMessage, Registerable {
  43         /**
  44          * Protected constructor
  45          *
  46          * @return      void
  47          */
  48         protected function __construct () {
  49                 // Call parent constructor
  50                 parent::__construct(__CLASS__);
  51
  52                 // Set handler name
  53                 $this->setHandlerName('message_announcement_answer');
  54
  55                 // Init message data array
  56                 $this->messageDataElements = [
  57                         XmlAnnouncementAnswerTemplateEngine::ANNOUNCEMENT_DATA_EXTERNAL_ADDRESS,
  58                         XmlAnnouncementAnswerTemplateEngine::ANNOUNCEMENT_DATA_INTERNAL_ADDRESS,
  59                         XmlAnnouncementAnswerTemplateEngine::ANNOUNCEMENT_DATA_NODE_STATUS,
  60                         XmlAnnouncementAnswerTemplateEngine::ANNOUNCEMENT_DATA_NODE_ID,
  61                         XmlAnnouncementAnswerTemplateEngine::ANNOUNCEMENT_DATA_SESSION_ID,
  62                         XmlAnnouncementAnswerTemplateEngine::ANNOUNCEMENT_DATA_PRIVATE_KEY_HASH,
  63                         BaseXmlAnswerTemplateEngine::ANSWER_STATUS,
  64                 ];
  65
  66                 // Init message-data->configuration translation array
  67                 /*
  68                 $this->messageToConfig = [
  69                         XmlAnnouncementTemplateEngine::ANNOUNCEMENT_DATA_EXTERNAL_ADDRESS => 'your_external_address',
  70                         XmlAnnouncementTemplateEngine::ANNOUNCEMENT_DATA_INTERNAL_ADDRESS => 'your_internal_address',
  71                         XmlAnnouncementTemplateEngine::ANNOUNCEMENT_DATA_SESSION_ID       => 'your_session_id'
  72                         XmlAnnouncementTemplateEngine::ANNOUNCEMENT_DATA_PRIVATE_KEY_HASH => 'your_private_key_hash'
  73                 ];
  74                 */
  75
  76                 // Init array
  77                 $this->searchData = [
  78                         XmlAnnouncementAnswerTemplateEngine::ANNOUNCEMENT_DATA_SESSION_ID,
  79                         XmlAnnouncementAnswerTemplateEngine::ANNOUNCEMENT_DATA_EXTERNAL_ADDRESS,
  80                         XmlAnnouncementAnswerTemplateEngine::ANNOUNCEMENT_DATA_INTERNAL_ADDRESS,
  81                         XmlAnnouncementAnswerTemplateEngine::ANNOUNCEMENT_DATA_NODE_STATUS,
  82                         XmlAnnouncementAnswerTemplateEngine::ANNOUNCEMENT_DATA_PRIVATE_KEY_HASH,
  83                 ];
  84         }
  85
  86         /**
  87          * Creates an instance of this class
  88          *
  89          * @return      $handlerInstance        An instance of a HandleableMessage class
  90          */
  91         public final static function createNodeMessageAnnouncementAnswerHandler () {
  92                 // Get new instance
  93                 $handlerInstance = new NodeMessageAnnouncementAnswerHandler();
  94
  95                 // Return the prepared instance
  96                 return $handlerInstance;
  97         }
  98
  99         /**
 100          * Handles data array of the message
 101          *
 102          * @param       $messageInstance        An instance of a DeliverableMessage class
 103          * @param       $packageInstance        An instance of a Receivable class
 104          * @return      void
 105          * @throws      NoAnnouncementAttemptedException        If this node has not attempted to announce itself
 106          */
 107         public function handleMessageData (DeliverableMessage $messageInstance, Receivable $packageInstance) {
 108                 // Get node instance
 109                 /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('NODE-MESSAGE-HANDLER: Creating node instance ...');
 110                 $nodeInstance = NodeObjectFactory::createNodeInstance();
 111
 112                 // Has this node attempted to announce itself?
 113                 if (!$nodeInstance->ifNodeIsAnnouncing()) {
 114                         /*
 115                          * This node has never announced itself, so it doesn't expect
 116                          * announcement answer messages.
 117                          */
 118                         throw new NoAnnouncementAttemptedException(array($this, $nodeInstance, $messageInstance), self::EXCEPTION_ANNOUNCEMENT_NOT_ATTEMPTED);
 119                 }
 120
 121                 // Register the announcing node with this node
 122                 $this->registerNodeByMessageInstance($messageInstance);
 123
 124                 // Handle the answer status element
 125                 $nodeInstance->handleAnswerStatusByMessageInstance($messageInstance, $packageInstance);
 126         }
 127
 128         /**
 129          * Adds all required elements from given array into data set instance
 130          *
 131          * @param       $dataSetInstance        An instance of a StoreableCriteria class
 132          * @param       $messageInstance        An instance of a DeliverableMessage class
 133          * @return      void
 134          */
 135         public function addArrayToDataSet (StoreableCriteria $dataSetInstance, DeliverableMessage $messageInstance) {
 136                 // Add generic first
 137                 parent::addArrayToDataSet($dataSetInstance, $messageInstance);
 138
 139                 // Add all ements
 140                 foreach ($this->messageDataElements as $key) {
 141                         // Is it there?
 142                         assert(isset($messageData[$key]));
 143
 144                         /*
 145                          * Add it, but remove any 'my-' prefixes as they are not used in
 146                          * database layer.
 147                          */
 148                         $dataSetInstance->addCriteria(str_replace('my-', '', $key), $messageData[$key]);
 149                 }
 150         }
 151
 152 }