Updated 'core' + renamed 'main' -> 'classes'.
[hub.git] / application / hub / classes / visitor / socket / class_ShutdownSocketVisitor.php
1 <?php
2 /**
3  * A ShutdownSocket visitor
4  *
5  * @author              Roland Haeder <webmaster@shipsimu.org>
6  * @version             0.0.0
7  * @copyright   Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2015 Hub Developer Team
8  * @license             GNU GPL 3.0 or any newer version
9  * @link                http://www.shipsimu.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 ShutdownSocketVisitor extends BaseVisitor implements Visitor {
25         /**
26          * Protected constructor
27          *
28          * @return      void
29          */
30         protected function __construct () {
31                 // Call parent constructor
32                 parent::__construct(__CLASS__);
33
34                 // Set visitor mode
35                 $this->setVisitorMode('socket');
36         }
37
38         /**
39          * Creates an instance of this class
40          *
41          * @return      $visitorInstance        An instance a Visitorable class
42          */
43         public static final function createShutdownSocketVisitor () {
44                 // Get new instance
45                 $visitorInstance = new ShutdownSocketVisitor();
46
47                 // Return the prepared instance
48                 return $visitorInstance;
49         }
50
51         /**
52          * "Visit" method to do the actual request. Here we want to shutdown the
53          * attached socket.
54          *
55          * @param       $helperInstance         An instance of a ConnectionHelper class
56          * @return      void
57          */
58         public function visitConnectionHelper (ConnectionHelper $helperInstance) {
59                 // Do we have reached the retry count?
60                 if (ConnectionStatisticsHelper::isConnectRetryExhausted($helperInstance)) {
61                         // Also visit the network package to clear any out-going packages
62                         NetworkPackageFactory::createNetworkPackageInstance()->accept($this);
63
64                         // Shutdown the connection
65                         $helperInstance->doShutdown();
66                 } else {
67                         // We can still move on and retry the connection attempt
68                         ConnectionStatisticsHelper::increaseConnectRetry($helperInstance);
69                 }
70         }
71
72         /**
73          * "Visit" method to do the actual request. Here we want to "partly shutdown"
74          * the network package instance to clear all stacks.
75          *
76          * @param       $packageInstance        An instance of a Deliverable class
77          * @return      void
78          */
79         public function visitNetworkPackage (Deliverable $packageInstance) {
80                 // Just call it back
81                 $packageInstance->clearAllStacks();
82         }
83
84         /**
85          * "Visit" the assembler instance. This shall clear any pending data
86          *
87          * @param       $assemblerInstance      An instance of a Assembler class
88          * @return      void
89          */
90         public function visitAssembler (Assembler $assemblerInstance) {
91                 // Clear pending data
92                 $assemblerInstance->clearPendingData();
93         }
94 }
95
96 // [EOF]
97 ?>