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

   1 <?php
   2 // Own namespace
   3 namespace Org\Shipsimu\Hub\Handler\Answer\Node\DhtBootstrap;
   4
   5 // Import application-specific stuff
   6 use Org\Shipsimu\Hub\Factory\Dht\DhtObjectFactory;
   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\Answer\Dht\Bootstrap\XmlDhtBootstrapAnswerTemplateEngine;
  12 use Org\Shipsimu\Hub\Template\Engine\Xml\Dht\Bootstrap\XmlDhtBootstrapTemplateEngine;
  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 NodeMessageDhtBootstrapAnswer 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 NodeMessageDhtBootstrapAnswerHandler 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                         XmlDhtBootstrapAnswerTemplateEngine::DHT_BOOTSTRAP_DATA_EXTERNAL_ADDRESS,
  58                         XmlDhtBootstrapAnswerTemplateEngine::DHT_BOOTSTRAP_DATA_INTERNAL_ADDRESS,
  59                         XmlDhtBootstrapAnswerTemplateEngine::DHT_BOOTSTRAP_DATA_NODE_STATUS,
  60                         XmlDhtBootstrapAnswerTemplateEngine::DHT_BOOTSTRAP_DATA_SESSION_ID,
  61                         BaseXmlAnswerTemplateEngine::ANSWER_STATUS,
  62                 ];
  63
  64                 // Init message-data->configuration translation array
  65                 /*
  66                 $this->messageToConfig = [
  67                         @TODO Why commented out?
  68                         XmlDhtBootstrapTemplateEngine::DHT_BOOTSTRAP_DATA_EXTERNAL_ADDRESS => 'your_external_address',
  69                         XmlDhtBootstrapTemplateEngine::DHT_BOOTSTRAP_DATA_INTERNAL_ADDRESS => 'your_internal_address',
  70                         XmlDhtBootstrapTemplateEngine::DHT_BOOTSTRAP_DATA_SESSION_ID       => 'your_session_id'
  71                 ];
  72                 */
  73
  74                 // Init array
  75                 $this->searchData = [
  76                         XmlDhtBootstrapAnswerTemplateEngine::DHT_BOOTSTRAP_DATA_SESSION_ID,
  77                         XmlDhtBootstrapAnswerTemplateEngine::DHT_BOOTSTRAP_DATA_EXTERNAL_ADDRESS,
  78                         XmlDhtBootstrapAnswerTemplateEngine::DHT_BOOTSTRAP_DATA_INTERNAL_ADDRESS,
  79                         XmlDhtBootstrapAnswerTemplateEngine::DHT_BOOTSTRAP_DATA_NODE_STATUS,
  80                         XmlDhtBootstrapAnswerTemplateEngine::DHT_BOOTSTRAP_DATA_SESSION_ID,
  81                 ];
  82         }
  83
  84         /**
  85          * Creates an instance of this class
  86          *
  87          * @return      $handlerInstance        An instance of a HandleableMessage class
  88          */
  89         public final static function createNodeMessageDhtBootstrapAnswerHandler () {
  90                 // Get new instance
  91                 $handlerInstance = new NodeMessageDhtBootstrapAnswerHandler();
  92
  93                 // Return the prepared instance
  94                 return $handlerInstance;
  95         }
  96
  97         /**
  98          * Handles data array of the message
  99          *
 100          * @param       $messageInstance        An instance of a DeliverableMessage class
 101          * @param       $handlerInstance        An instance of a Receivable class
 102          * @return      void
 103          * @throws      NoDhtBootstrapAttemptedException        If this DHT has not attempted to bootstrap
 104          * @todo        ~30% done
 105          */
 106         public function handleMessageData (DeliverableMessage $messageInstance, Receivable $handlerInstance) {
 107                 // Get DHT instance
 108                 $dhtInstance = DhtObjectFactory::createDhtInstance('node');
 109
 110                 // Has this DHT attempted to bootstrap?
 111                 if (!$dhtInstance->ifDhtIsBooting()) {
 112                         /*
 113                          * This DHT has never bootstrapped, so it doesn't expect
 114                          * announcement answer messages.
 115                          */
 116                         throw new NoDhtBootstrapAttemptedException(array($this, $dhtInstance, $messageInstance), self::EXCEPTION_DHT_BOOTSTRAP_NOT_ATTEMPTED);
 117                 }
 118
 119                 // Unfinished
 120                 $this->partialStub('UNHANDLED: messageInstance=' . print_r($messageInstance, TRUE));
 121         }
 122
 123         /**
 124          * Adds all required elements from given array into data set instance
 125          *
 126          * @param       $dataSetInstance        An instance of a StoreableCriteria class
 127          * @param       $messageInstance        An instance of a DeliverableMessage class
 128          * @return      void
 129          */
 130         public function addArrayToDataSet (StoreableCriteria $dataSetInstance, DeliverableMessage $messageInstance) {
 131                 // Add generic first
 132                 parent::addArrayToDataSet($dataSetInstance, $messageInstance);
 133
 134                 // Add all ements
 135                 foreach ($this->messageDataElements as $key) {
 136                         // Is it there?
 137                         assert(isset($messageData[$key]));
 138
 139                         /*
 140                          * Add it, but remove any 'my-' prefixes as they are not used in
 141                          * database layer.
 142                          */
 143                         $dataSetInstance->addCriteria(str_replace('my-', '', $key), $messageData[$key]);
 144                 }
 145         }
 146
 147 }