]> git.mxchange.org Git - hub.git/blob - application/hub/main/handler/network/class_BaseNetworkPackageHandler.php
Introduced getListIterator() to all lists implementing Listable
[hub.git] / application / hub / main / handler / network / class_BaseNetworkPackageHandler.php
1 <?php
2 /**
3  * A general Handler
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 BaseNetworkPackageHandler extends BaseHandler {
25         // Error codes:
26         // - Socket raw data stream errors
27         const SOCKET_ERROR_UNKNOWN                = 'unknown_error';      // Unknown error (should not happen)
28         const SOCKET_ERROR_TRANSPORT_ENDPOINT     = 'transport_endpoint'; // Transport endpoint has closed
29         const SOCKET_ERROR_EMPTY_DATA             = 'empty_data';         // Other peer has sent nothing
30         const SOCKET_ERROR_INVALID_BASE64_MODULO  = 'base64_modulo';      // Length is not modulo 4
31         const SOCKET_ERROR_INVALID_BASE64_MESSAGE = 'base64_message';     // Raw data is not Base64-encoded
32         const SOCKET_ERROR_UNHANDLED              = 'unhandled_package';  // Unhandled raw data (not bad)
33
34         // - Package errors
35         const PACKAGE_ERROR_INVALID_DATA         = 'invalid_data';    // Invalid data in package found
36         const PACKAGE_ERROR_INCOMPLETE_DATA      = 'incomplete_data'; // Incomplete data sent (e.g. field is missing)
37         const PACKAGE_ERROR_INVALID_CONTENT      = 'invalid_content'; // Content is invalid (e.g. not well-formed)
38         const PACKAGE_ERROR_RECIPIENT_MISMATCH   = 'recipient_error'; // Recipient is not us
39         const PACKAGE_LEVEL_CHECK_OKAY           = 'checked_package'; // Package is fine
40
41         /**
42          * Error code from socket
43          */
44         private $errorCode = -1;
45
46         /**
47          * Protected constructor
48          *
49          * @param       $className      Name of the class
50          * @return      void
51          */
52         protected function __construct ($className) {
53                 // Call parent constructor
54                 parent::__construct($className);
55
56                 // Get an input stream instance
57                 $streamInstance = ObjectFactory::createObjectByConfiguredName('node_raw_data_input_stream_class', array($this));
58
59                 // Set it in this network-package handler
60                 $this->setInputStreamInstance($streamInstance);
61
62                 // Init stacker instance for processed raw data
63                 $stackerInstance = ObjectFactory::createObjectByConfiguredName('node_raw_data_stacker_class');
64
65                 // Remember this in this package handler
66                 $this->setStackerInstance($stackerInstance);
67
68                 // Init stacker
69                 $this->initStacker();
70         }
71
72         /**
73          * Initializes the stacker for raw data
74          *
75          * @return      void
76          */
77         protected function initStacker () {
78                 $this->getStackerInstance()->initStacker('raw_data');
79         }
80
81         /**
82          * Adds given decoded data to the raw data stacker
83          *
84          * @param       $decodedData    Decoded data from the socket resource
85          * @return      void
86          */
87         protected function addDecodedDataToStacker ($decodedData) {
88                 // Add it
89                 $this->getStackerInstance()->pushNamed('raw_data', array(
90                         'decoded_data' => $decodedData,
91                         'error_code'   => $this->getErrorCode()
92                 ));
93         }
94
95         /**
96          * Checks wether the 'recipient' field matches our own address:port
97          * combination.
98          *
99          * @param       $packageData    Raw package data
100          * @return      $matches                Wether it matches
101          */
102         protected function ifRecipientMatchesOwnAddress (array $packageData) {
103                 // Construct own address first,
104                 $ownAddress = Registry::getRegistry()->getInstance('node')->getAddressPort($this);
105
106                 // Does it match?
107                 // @TODO Numeric or alpha-numeric index?
108                 $matches = ($ownAddress === $packageData[NetworkPackage::INDEX_PACKAGE_RECIPIENT]);
109
110                 // Return result
111                 return $matches;
112         }
113
114         /**
115          * Setter for error code
116          *
117          * @param       $errorCode      The error code we shall set
118          * @return      void
119          */
120         protected final function setErrorCode ($errorCode) {
121                 $this->errorCode = $errorCode;
122         }
123
124         /**
125          * Getter for error code
126          *
127          * @return      $errorCode      The error code
128          */
129         public final function getErrorCode () {
130                 return $this->errorCode;
131         }
132 }
133
134 // [EOF]
135 ?>