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

   1 <?php
   2 // Own namespace
   3 namespace Org\Shipsimu\Hub\Handler\Answer\Okay\NodeList;
   4
   5 // Import application-specific stuff
   6 use Org\Shipsimu\Hub\Factory\Dht\DhtObjectFactory;
   7 use Org\Shipsimu\Hub\Handler\Message\HandleableMessage;
   8 use Org\Shipsimu\Hub\Network\Message\DeliverableMessage;
   9 use Org\Shipsimu\Hub\Network\Receive\Receivable;
  10 use Org\Shipsimu\Hub\Template\Engine\Xml\Answer\Request\NodeList\XmlRequestNodeListAnswerTemplateEngine;
  11
  12 // Import framework stuff
  13 use Org\Mxchange\CoreFramework\Registry\Registerable;
  14
  15 /**
  16  * A RequestNodeListAnswerOkay handler
  17  *
  18  * @author              Roland Haeder <webmaster@shipsimu.org>
  19  * @version             0.0.0
  20  * @copyright   Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2020 Hub Developer Team
  21  * @license             GNU GPL 3.0 or any newer version
  22  * @link                http://www.shipsimu.org
  23  *
  24  * This program is free software: you can redistribute it and/or modify
  25  * it under the terms of the GNU General Public License as published by
  26  * the Free Software Foundation, either version 3 of the License, or
  27  * (at your option) any later version.
  28  *
  29  * This program is distributed in the hope that it will be useful,
  30  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  31  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  32  * GNU General Public License for more details.
  33  *
  34  * You should have received a copy of the GNU General Public License
  35  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  36  */
  37 class RequestNodeListAnswerOkayHandler extends BaseAnswerStatusHandler implements HandleableAnswerStatus, Registerable {
  38         /**
  39          * Protected constructor
  40          *
  41          * @return      void
  42          */
  43         protected function __construct () {
  44                 // Call parent constructor
  45                 parent::__construct(__CLASS__);
  46
  47                 // Init array
  48                 $this->searchData = array(
  49                         XmlRequestNodeListAnswerTemplateEngine::REQUEST_DATA_SESSION_ID,
  50                 );
  51
  52                 // Set handler name
  53                 $this->setHandlerName('request_node_list_answer_okay');
  54         }
  55
  56         /**
  57          * Creates an instance of this class
  58          *
  59          * @return      $handlerInstance        An instance of a HandleableMessage class
  60          */
  61         public final static function createRequestNodeListAnswerOkayHandler () {
  62                 // Get new instance
  63                 $handlerInstance = new RequestNodeListAnswerOkayHandler();
  64
  65                 // Return the prepared instance
  66                 return $handlerInstance;
  67         }
  68
  69         /**
  70          * Handles given message data array
  71          *
  72          * @param       $messageInstance        An instance of a DeliverableMessage class
  73          * @param       $handlerInstance        An instance of a Receivable class
  74          * @return      void
  75          * @throws      NodeSessionIdVerficationException       If the provided session id is not matching
  76          * @todo        Do some more here: Handle karma, et cetera?
  77          */
  78         public function handleAnswerMessageData (DeliverableMessage $messageInstance, Receivable $handlerInstance) {
  79                 // Save node list
  80                 $nodeList = json_decode(base64_decode($messageData[XmlRequestNodeListAnswerTemplateEngine::REQUEST_DATA_NODE_LIST]));
  81
  82                 // Make sure it is completely decoded
  83                 assert(is_array($nodeList));
  84
  85                 // ... and remove it as it should not be included now
  86                 unset($messageData[XmlRequestNodeListAnswerTemplateEngine::REQUEST_DATA_NODE_LIST]);
  87
  88                 // Write node list to DHT
  89                 DhtObjectFactory::createDhtInstance('node')->insertNodeList($nodeList);
  90
  91                 /*
  92                  * Query DHT and force update (which will throw an exception if the
  93                  * node is not found).
  94                  */
  95                 DhtObjectFactory::createDhtInstance('node')->registerNodeByMessageInstance($messageInstance, $this, TRUE);
  96
  97                 // Prepare next message ("hello" message to all returned nodes)
  98                 // @TODO $this->prepareNextMessage($messageInstance, $handlerInstance);
  99         }
 100
 101 }