application/hub/main/template/answer/dht/class_XmlDhtBootstrapAnswerTemplateEngine.php

   1 <?php
   2 /**
   3  * An DhtBootstrapAnswer template engine class for XML templates
   4  *
   5  * @author              Roland Haeder <webmaster@shipsimu.org>
   6  * @version             0.0.0
   7  * @copyright   Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2014 Core Developer Team
   8  * @license             GNU GPL 3.0 or any newer version
   9  * @link                http://www.shipsimu.org
  10  * @todo                This template engine does not make use of setTemplateType()
  11  *
  12  * This program is free software: you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation, either version 3 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  24  */
  25 class XmlDhtBootstrapAnswerTemplateEngine extends BaseXmlAnswerTemplateEngine implements CompileableTemplate, Registerable {
  26         /**
  27          * Some XML nodes must be available for later data extraction
  28          */
  29         const DHT_BOOTSTRAP_DATA_SESSION_ID    = 'my-session-id';
  30         const DHT_BOOTSTRAP_DATA_NODE_STATUS   = 'my-status';
  31         const DHT_BOOTSTRAP_DATA_EXTERNAL_IP   = 'my-external-ip';
  32         const DHT_BOOTSTRAP_DATA_INTERNAL_IP   = 'my-internal-ip';
  33         const DHT_BOOTSTRAP_DATA_LISTEN_PORT   = 'my-listen-port';
  34         const DHT_BOOTSTRAP_DATA_NODE_LIST     = 'dht-nodes-list';
  35
  36         /**
  37          * Protected constructor
  38          *
  39          * @return      void
  40          */
  41         protected function __construct () {
  42                 // Call parent constructor
  43                 parent::__construct(__CLASS__);
  44
  45                 // Init sub-nodes array
  46                 $this->subNodes = array(
  47                         // These nodes don't contain any data
  48                         'my-data',
  49                         'your-data',
  50                         // Data from *this* node
  51                         self::DHT_BOOTSTRAP_DATA_EXTERNAL_IP,
  52                         self::DHT_BOOTSTRAP_DATA_INTERNAL_IP,
  53                         self::DHT_BOOTSTRAP_DATA_LISTEN_PORT,
  54                         self::DHT_BOOTSTRAP_DATA_NODE_STATUS,
  55                         self::DHT_BOOTSTRAP_DATA_SESSION_ID,
  56                         // Data from other node
  57                         'your-external-ip',
  58                         'your-internal-ip',
  59                         'your-session-id',
  60                         // Answer status (generic field)
  61                         self::ANSWER_STATUS,
  62                         // DHT node list
  63                         self::DHT_BOOTSTRAP_DATA_NODE_LIST,
  64                 );
  65         }
  66
  67         /**
  68          * Creates an instance of the class TemplateEngine and prepares it for usage
  69          *
  70          * @return      $templateInstance               An instance of TemplateEngine
  71          * @throws      BasePathIsEmptyException                If the provided $templateBasePath is empty
  72          * @throws      InvalidBasePathStringException  If $templateBasePath is no string
  73          * @throws      BasePathIsNoDirectoryException  If $templateBasePath is no
  74          *                                                                                      directory or not found
  75          * @throws      BasePathReadProtectedException  If $templateBasePath is
  76          *                                                                                      read-protected
  77          */
  78         public static final function createXmlDhtBootstrapAnswerTemplateEngine () {
  79                 // Get a new instance
  80                 $templateInstance = new XmlDhtBootstrapAnswerTemplateEngine();
  81
  82                 // Init instance
  83                 $templateInstance->initXmlTemplateEngine('node', 'dht_bootstrap_answer');
  84
  85                 // Return the prepared instance
  86                 return $templateInstance;
  87         }
  88
  89         /**
  90          * Currently not used
  91          *
  92          * @param       $resource               XML parser resource (currently ignored)
  93          * @param       $characters             Characters to handle
  94          * @return      void
  95          * @todo        Find something useful with this!
  96          */
  97         public function characterHandler ($resource, $characters) {
  98                 // Trim all spaces away
  99                 $characters = trim($characters);
 100
 101                 // Is this string empty?
 102                 if (empty($characters)) {
 103                         // Then skip it silently
 104                         return;
 105                 } // END - if
 106
 107                 /*
 108                  * Assign the found characters to variable and use the last entry from
 109                  * stack as the name.
 110                  */
 111                 parent::assignVariable($this->getStackInstance()->getNamed('node_dht_bootstrap_answer'), $characters);
 112         }
 113
 114         /**
 115          * Getter for cache file (FQFN)
 116          *
 117          * @return      $fqfn   Full-qualified file name of the menu cache
 118          */
 119         public function getDhtBootstrapAnswerCacheFqfn () {
 120                 $this->partialStub('Please implement this method.');
 121         }
 122
 123         /**
 124          * Starts the dht_bootstrap-answer
 125          *
 126          * @return      void
 127          */
 128         protected function startDhtBootstrapAnswer () {
 129                 // Push the node name on the stacker
 130                 $this->getStackInstance()->pushNamed('node_dht_bootstrap_answer', 'dht_bootstrap-answer');
 131         }
 132
 133         /**
 134          * Starts the my-data
 135          *
 136          * @return      void
 137          */
 138         protected function startMyData () {
 139                 // Push the node name on the stacker
 140                 $this->getStackInstance()->pushNamed('node_dht_bootstrap_answer', 'my-data');
 141         }
 142
 143         /**
 144          * Starts the my-external-ip
 145          *
 146          * @return      void
 147          */
 148         protected function startMyExternalIp () {
 149                 // Push the node name on the stacker
 150                 $this->getStackInstance()->pushNamed('node_dht_bootstrap_answer', self::DHT_BOOTSTRAP_DATA_EXTERNAL_IP);
 151         }
 152
 153         /**
 154          * Starts the my-internal-ip
 155          *
 156          * @return      void
 157          */
 158         protected function startMyInternalIp () {
 159                 // Push the node name on the stacker
 160                 $this->getStackInstance()->pushNamed('node_dht_bootstrap_answer', self::DHT_BOOTSTRAP_DATA_INTERNAL_IP);
 161         }
 162
 163         /**
 164          * Starts the my-tcp-port
 165          *
 166          * @return      void
 167          */
 168         protected function startMyListenPort () {
 169                 // Push the node name on the stacker
 170                 $this->getStackInstance()->pushNamed('node_dht_bootstrap_answer', self::DHT_BOOTSTRAP_DATA_LISTEN_PORT);
 171         }
 172
 173         /**
 174          * Starts the my-session-id
 175          *
 176          * @return      void
 177          */
 178         protected function startMySessionId () {
 179                 // Push the node name on the stacker
 180                 $this->getStackInstance()->pushNamed('node_dht_bootstrap_answer', self::DHT_BOOTSTRAP_DATA_SESSION_ID);
 181         }
 182
 183         /**
 184          * Starts the my-status
 185          *
 186          * @return      void
 187          */
 188         protected function startMyStatus () {
 189                 // Push the node name on the stacker
 190                 $this->getStackInstance()->pushNamed('node_dht_bootstrap_answer', self::DHT_BOOTSTRAP_DATA_NODE_STATUS);
 191         }
 192
 193         /**
 194          * Starts the dht-nodes-list
 195          *
 196          * @return      void
 197          */
 198         protected function startDhtNodesList () {
 199                 // Push the node name on the stacker
 200                 $this->getStackInstance()->pushNamed('node_dht_bootstrap_answer', self::DHT_BOOTSTRAP_DATA_NODE_LIST);
 201         }
 202
 203         /**
 204          * Finishes the dht-nodes-list
 205          *
 206          * @return      void
 207          */
 208         protected function finishDhtNodesList () {
 209                 // Pop the last entry
 210                 $this->getStackInstance()->popNamed('node_dht_bootstrap_answer');
 211         }
 212
 213         /**
 214          * Finishes the my-status
 215          *
 216          * @return      void
 217          */
 218         protected function finishMyStatus () {
 219                 // Pop the last entry
 220                 $this->getStackInstance()->popNamed('node_dht_bootstrap_answer');
 221         }
 222
 223         /**
 224          * Finishes the my-session-id
 225          *
 226          * @return      void
 227          */
 228         protected function finishMySessionId () {
 229                 // Pop the last entry
 230                 $this->getStackInstance()->popNamed('node_dht_bootstrap_answer');
 231         }
 232
 233         /**
 234          * Finishes the my-tcp-port
 235          *
 236          * @return      void
 237          */
 238         protected function finishMyListenPort () {
 239                 // Pop the last entry
 240                 $this->getStackInstance()->popNamed('node_dht_bootstrap_answer');
 241         }
 242
 243         /**
 244          * Finishes the my-internal-ip
 245          *
 246          * @return      void
 247          */
 248         protected function finishMyInternalIp () {
 249                 // Pop the last entry
 250                 $this->getStackInstance()->popNamed('node_dht_bootstrap_answer');
 251         }
 252
 253         /**
 254          * Finishes the my-external-ip
 255          *
 256          * @return      void
 257          */
 258         protected function finishMyExternalIp () {
 259                 // Pop the last entry
 260                 $this->getStackInstance()->popNamed('node_dht_bootstrap_answer');
 261         }
 262
 263         /**
 264          * Finishes the my-data
 265          *
 266          * @return      void
 267          */
 268         protected function finishMyData () {
 269                 // Pop the last entry
 270                 $this->getStackInstance()->popNamed('node_dht_bootstrap_answer');
 271         }
 272
 273         /**
 274          * Starts the your-data
 275          *
 276          * @return      void
 277          */
 278         protected function startYourData () {
 279                 // Push the node name on the stacker
 280                 $this->getStackInstance()->pushNamed('node_dht_bootstrap_answer', 'your-data');
 281         }
 282
 283         /**
 284          * Starts the your-external-ip
 285          *
 286          * @return      void
 287          */
 288         protected function startYourExternalIp () {
 289                 // Push the node name on the stacker
 290                 $this->getStackInstance()->pushNamed('node_dht_bootstrap_answer', 'your-external-ip');
 291         }
 292
 293         /**
 294          * Starts the your-internal-ip
 295          *
 296          * @return      void
 297          */
 298         protected function startYourInternalIp () {
 299                 // Push the node name on the stacker
 300                 $this->getStackInstance()->pushNamed('node_dht_bootstrap_answer', 'your-internal-ip');
 301         }
 302
 303         /**
 304          * Starts the your-session-id
 305          *
 306          * @return      void
 307          */
 308         protected function startYourSessionId () {
 309                 // Push the node name on the stacker
 310                 $this->getStackInstance()->pushNamed('node_dht_bootstrap_answer', 'your-session-id');
 311         }
 312
 313         /**
 314          * Finishes the your-session-id
 315          *
 316          * @return      void
 317          */
 318         protected function finishYourSessionId () {
 319                 // Pop the last entry
 320                 $this->getStackInstance()->popNamed('node_dht_bootstrap_answer');
 321         }
 322
 323         /**
 324          * Finishes the your-internal-ip
 325          *
 326          * @return      void
 327          */
 328         protected function finishYourInternalIp () {
 329                 // Pop the last entry
 330                 $this->getStackInstance()->popNamed('node_dht_bootstrap_answer');
 331         }
 332
 333         /**
 334          * Finishes the your-external-ip
 335          *
 336          * @return      void
 337          */
 338         protected function finishYourExternalIp () {
 339                 // Pop the last entry
 340                 $this->getStackInstance()->popNamed('node_dht_bootstrap_answer');
 341         }
 342
 343         /**
 344          * Finishes the your-data
 345          *
 346          * @return      void
 347          */
 348         protected function finishYourData () {
 349                 // Pop the last entry
 350                 $this->getStackInstance()->popNamed('node_dht_bootstrap_answer');
 351         }
 352
 353         /**
 354          * Finishes the dht_bootstrap-answer
 355          *
 356          * @return      void
 357          */
 358         protected function finishDhtBootstrapAnswer () {
 359                 // Pop the last entry
 360                 $this->getStackInstance()->popNamed('node_dht_bootstrap_answer');
 361         }
 362 }
 363
 364 // [EOF]
 365 ?>