application/hub/main/filter/task/node/class_NodeTaskHandlerInitializerFilter.php

   1 <?php
   2 /**
   3  * A TaskHandlerInitializer filter for hubs
   4  *
   5  * @author              Roland Haeder <webmaster@ship-simu.org>
   6  * @version             0.0.0
   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
  10  *
  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.
  15  *
  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.
  20  *
  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/>.
  23  */
  24 class NodeTaskHandlerInitializerFilter extends BaseFilter implements Filterable {
  25         /**
  26          * Protected constructor
  27          *
  28          * @return      void
  29          */
  30         protected function __construct () {
  31                 // Call parent constructor
  32                 parent::__construct(__CLASS__);
  33         }
  34
  35         /**
  36          * Creates an instance of this filter class
  37          *
  38          * @return      $filterInstance         An instance of this filter class
  39          */
  40         public static final function createNodeTaskHandlerInitializerFilter () {
  41                 // Get a new instance
  42                 $filterInstance = new NodeTaskHandlerInitializerFilter();
  43
  44                 // Return the instance
  45                 return $filterInstance;
  46         }
  47
  48         /**
  49          * Executes the filter with given request and response objects
  50          *
  51          * @param       $requestInstance        An instance of a class with an Requestable interface
  52          * @param       $responseInstance       An instance of a class with an Responseable interface
  53          * @return      void
  54          * @throws      FilterChainException    If we need to interrupt the filter chain
  55          * @todo        Maybe some more tasks needs to be added?
  56          */
  57         public function execute (Requestable $requestInstance, Responseable $responseInstance) {
  58                 // Get node instance
  59                 $nodeInstance = Registry::getRegistry()->getInstance('node');
  60
  61                 // Get a new task handler instance
  62                 $handlerInstance = ObjectFactory::createObjectByConfiguredName('task_handler_class');
  63
  64                 // Generate socket listener task
  65                 $taskInstance = ObjectFactory::createObjectByConfiguredName('hub_socket_listener_task_class');
  66
  67                 // Network package reader, needs to be delayed a little
  68                 $handlerInstance->registerTask('socket_listener', $taskInstance);
  69
  70                 // Generate package reader task
  71                 $taskInstance = ObjectFactory::createObjectByConfiguredName('hub_package_reader_task_class', array($nodeInstance->getListenerPoolInstance()));
  72
  73                 // Network package reader, needs to be delayed a little
  74                 $handlerInstance->registerTask('network_package_reader', $taskInstance);
  75
  76                 // Generate package writer task
  77                 $taskInstance = ObjectFactory::createObjectByConfiguredName('hub_package_writer_task_class');
  78
  79                 // Register it as well
  80                 $handlerInstance->registerTask('network_package_writer', $taskInstance);
  81
  82                 // Generate chunk assembler task
  83                 $taskInstance = ObjectFactory::createObjectByConfiguredName('hub_chunk_assembler_task_class');
  84
  85                 // Register it as well
  86                 $handlerInstance->registerTask('chunk_assembler', $taskInstance);
  87
  88                 // Generate package decoder task
  89                 $taskInstance = ObjectFactory::createObjectByConfiguredName('hub_package_decoder_task_class');
  90
  91                 // Register it as well
  92                 $handlerInstance->registerTask('package_decoder', $taskInstance);
  93
  94                 // Query handler instance
  95                 $handlerInstance->registerTask('query_handler', $nodeInstance->getQueryConnectorInstance());
  96
  97                 // Queue handler instance
  98                 $handlerInstance->registerTask('queue_handler', $nodeInstance->getQueueConnectorInstance());
  99
 100                 // Prepare a self-test task for the listeners
 101                 $taskInstance = ObjectFactory::createObjectByConfiguredName('hub_selfconnect_task_class');
 102
 103                 // Register it
 104                 $handlerInstance->registerTask('self_connect', $taskInstance);
 105
 106                 // Prepare a update-check task
 107                 $taskInstance = ObjectFactory::createObjectByConfiguredName('hub_update_check_task_class');
 108
 109                 // Register it
 110                 $handlerInstance->registerTask('update_check', $taskInstance);
 111
 112                 // Get the list instance here
 113                 $listInstance = $nodeInstance->getListenerPoolInstance()->getPoolEntriesInstance();
 114
 115                 // Prepare a ping task
 116                 $taskInstance = ObjectFactory::createObjectByConfiguredName('hub_ping_task_class', array($listInstance));
 117
 118                 // Register it
 119                 $handlerInstance->registerTask('ping', $taskInstance);
 120
 121                 // Put the task handler in registry
 122                 Registry::getRegistry()->addInstance('task', $handlerInstance);
 123         }
 124 }
 125
 126 // [EOF]
 127 ?>