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   1 <?php
   2 // Own namespace
   3 namespace Org\Shipsimu\Hub\Handler\Node\Answer\Request\NodeList;
   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\Answer\Request\NodeList\XmlRequestNodeListAnswerTemplateEngine;
  12 use Org\Shipsimu\Hub\Template\Engine\Xml\Network\Answer\BaseXmlAnswerTemplateEngine;
  13 use Org\Shipsimu\Hub\Template\Engine\Xml\Request\NodeList\XmlRequestNodeListTemplateEngine;
  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 NodeMessageRequestNodeListAnswer 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 NodeMessageRequestNodeListAnswerHandler 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_request_node_list_answer');
  54
  55                 // Init message data array
  56                 $this->messageDataElements = [
  57                         XmlRequestNodeListAnswerTemplateEngine::REQUEST_DATA_SESSION_ID,
  58                         XmlRequestNodeListAnswerTemplateEngine::REQUEST_DATA_NODE_LIST,
  59                         BaseXmlAnswerTemplateEngine::ANSWER_STATUS,
  60                 ];
  61
  62                 // Init message-data->configuration translation array
  63                 /*
  64                 $this->messageToConfig = [
  65                         XmlRequestNodeListTemplateEngine::REQUEST_DATA_SESSION_ID  => 'your_session_id'
  66                 ];
  67                 */
  68
  69                 // Init search data array
  70                 $this->searchData = [
  71                         XmlRequestNodeListAnswerTemplateEngine::REQUEST_DATA_SESSION_ID,
  72                 ];
  73         }
  74
  75         /**
  76          * Creates an instance of this class
  77          *
  78          * @return      $handlerInstance        An instance of a HandleableMessage class
  79          */
  80         public final static function createNodeMessageRequestNodeListAnswerHandler () {
  81                 // Get new instance
  82                 $handlerInstance = new NodeMessageRequestNodeListAnswerHandler();
  83
  84                 // Return the prepared instance
  85                 return $handlerInstance;
  86         }
  87
  88         /**
  89          * Handles data array of the message
  90          *
  91          * @param       $messageInstance        An instance of a DeliverableMessage class
  92          * @param       $handlerInstance        An instance of a Receivable class
  93          * @return      void
  94          * @throws      NoRequestNodeListAttemptedException     If this node has not attempted to announce itself
  95          */
  96         public function handleMessageData (DeliverableMessage $messageInstance, Receivable $handlerInstance) {
  97                 // Get node instance
  98                 /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('NODE-MESSAGE-HANDLER: Creating node instance ...');
  99                 $nodeInstance = NodeObjectFactory::createNodeInstance();
 100
 101                 // Has this node attempted to announce itself?
 102                 if (!$nodeInstance->ifNodeHasAnnouncementCompleted()) {
 103                         /*
 104                          * This node has never announced itself, so it doesn't expect
 105                          * request-node-list answer messages.
 106                          */
 107                         throw new NoRequestNodeListAttemptedException(array($this, $nodeInstance, $messageInstance), self::EXCEPTION_ANNOUNCEMENT_NOT_ATTEMPTED);
 108                 }
 109
 110                 // Register the announcing node with this node
 111                 $this->registerNodeByMessageInstance($messageInstance);
 112
 113                 // Handle the answer status element
 114                 $nodeInstance->handleAnswerStatusByMessageInstance($messageInstance, $handlerInstance);
 115         }
 116
 117         /**
 118          * Adds all required elements from given array into data set instance
 119          *
 120          * @param       $dataSetInstance        An instance of a StoreableCriteria class
 121          * @param       $messageInstance        An instance of a DeliverableMessage class
 122          * @return      void
 123          */
 124         public function addArrayToDataSet (StoreableCriteria $dataSetInstance, DeliverableMessage $messageInstance) {
 125                 // Add generic first
 126                 parent::addArrayToDataSet($dataSetInstance, $messageInstance);
 127
 128                 // Debug message
 129                 /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('ANSWER-HANDLER: messageInstance=' . print_r($messageInstance, TRUE));
 130
 131                 // Add all ements
 132                 foreach ($this->messageDataElements as $key) {
 133                         // Debug message
 134                         /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('ANSWER-HANDLER: messageData[' . $key . ']=' . $messageData[$key]);
 135
 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 }