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[hub.git] / application / hub / main / tasks / network / class_NetworkPackageReaderTask.php
1 <?php
2 /**
3  * A NetworkPackageReader task
4  *
5  * @author              Roland Haeder <webmaster@ship-simu.org>
6  * @version             0.0.0
7  * @copyright   Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2011 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 NetworkPackageReaderTask extends BaseTask implements Taskable, Visitable {
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 class
37          *
38          * @param       $poolInstance   An instance of a PoolableListener class
39          * @return      $taskInstance   An instance of a Taskable/Visitable class
40          */
41         public static final function createNetworkPackageReaderTask (PoolableListener $poolInstance) {
42                 // Get new instance
43                 $taskInstance = new NetworkPackageReaderTask();
44
45                 // Set the listener instance here
46                 $taskInstance->setListenerPoolInstance($poolInstance);
47
48                 // Return the prepared instance
49                 return $taskInstance;
50         }
51
52         /**
53          * Accepts the visitor to process the visit "request"
54          *
55          * @param       $visitorInstance        An instance of a Visitor class
56          * @return      void
57          */
58         public function accept (Visitor $visitorInstance) {
59                 // Visit this task
60                 $visitorInstance->visitTask($this);
61         }
62
63         /**
64          * Executes the task
65          *
66          * @return      void
67          */
68         public function executeTask () {
69                 // Get a singleton network package instance
70                 $packageInstance = NetworkPackageFactory::createNetworkPackageInstance();
71
72                 // Do we have something to handle?
73                 if ($packageInstance->isNewRawDataPending($this->getListenerPoolInstance())) {
74                         // We have to handle raw data from the socket
75                         $packageInstance->handleIncomingSocketRawData();
76                 } elseif ($packageInstance->isNewPackageArrived()) {
77                         // Okay, then handle newly arrived package
78                         $packageInstance->handleNewlyArrivedPackage();
79                 } // END - if
80         }
81 }
82
83 // [EOF]
84 ?>