inc/classes/main/console/class_ConsoleTools.php

   1 <?php
   2 /**
   3  * This class contains static helper functions for console applications
   4  *
   5  * @author              Roland Haeder <webmaster@ship-simu.org>
   6  * @version             0.0.0
   7  * @copyright   Copyright(c) 2007, 2008 Roland Haeder, this is free software
   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 ConsoleTools extends BaseFrameworkSystem {
  25         /**
  26          * Protected constructor
  27          *
  28          * @return      void
  29          */
  30         protected function __construct () {
  31                 // Call parent constructor
  32                 parent::__construct(__CLASS__);
  33
  34                 // Set description
  35                 $this->setObjectDescription("General console tools");
  36
  37                 // Create an unique ID
  38                 $this->createUniqueID();
  39         }
  40
  41         /**
  42          * Aquires the IP address of this host by reading the /etc/hostname file and solving it
  43          *
  44          * @return      $ip             The resolved IP address
  45          */
  46         public static function aquireSelfIPAddress () {
  47                 // Local IP by default
  48                 $ip = "127.0.0.1";
  49
  50                 // Get a new instance
  51                 $helper = new ConsoleTools();
  52
  53                 try {
  54                         // Get a file pointer
  55                         $io = FrameworkFileInputPointer::createFrameworkFileInputPointer("/etc/hostname");
  56
  57                         // Read the file
  58                         $hostname = trim($io->readFromFile());
  59                         $helper->getDebugInstance()->output(sprintf("[%s:] Our host name is: <strong>%s</strong><br />\n",
  60                                 $helper->__toString(),
  61                                 $hostname
  62                         ));
  63
  64                         // Close the file
  65                         $io->closeFile();
  66
  67                         // Resolve it
  68                         $ipResolved = gethostbyname($hostname);
  69                         if (($ipResolved !== false) && ($ipResolved != $hostname)) {
  70                                 // Okay, this works!
  71                                 $ip = $ipResolved;
  72
  73                                 // Debug message
  74                                 $helper->getDebugInstance()->output(sprintf("[%s:] Resolved IP address is: <strong>%s</strong><br />\n",
  75                                         $helper->__toString(),
  76                                         $ip
  77                                 ));
  78                         }
  79                 } catch (FrameworkException $e) {
  80                         // Do nothing here
  81                 }
  82
  83                 // Return the IP address
  84                 return $ip;
  85         }
  86 }
  87
  88 // [EOF]
  89 ?>