ship-simu/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
   7  * @copyright   Copyright(c) 2007, 2008 Roland Haeder, this is free software
   8  * @license             GNU GPL 3.0 or any newer version
   9  *
  10  * This program is free software: you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation, either version 3 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22  */
  23 class ConsoleTools extends BaseFrameworkSystem {
  24         /**
  25          * Private constructor
  26          *
  27          * @return      void
  28          */
  29         private function __construct () {
  30                 // Call parent constructor
  31                 parent::constructor(__CLASS__);
  32
  33                 // Set description
  34                 $this->setPartDescr("Console-Tools");
  35
  36                 // Create an unique ID
  37                 $this->createUniqueID();
  38         }
  39
  40         /**
  41          * Aquires the IP address of this host by reading the /etc/hostname file and solving it
  42          *
  43          * @return      $ip             The resolved IP address
  44          */
  45         public static function aquireSelfIPAddress () {
  46                 // Local IP by default
  47                 $ip = "127.0.0.1";
  48
  49                 // Get a new instance
  50                 $helper = new ConsoleTools();
  51
  52                 try {
  53                         // Get a file pointer
  54                         $io = FrameworkFileInputPointer::createFrameworkFileInputPointer("/etc/hostname");
  55
  56                         // Read the file
  57                         $hostname = trim($io->readFromFile());
  58                         $helper->getDebugInstance()->output(sprintf("[%s:] Our host name is: <strong>%s</strong><br />\n",
  59                                 $helper->__toString(),
  60                                 $hostname
  61                         ));
  62
  63                         // Close the file
  64                         $io->closeFile();
  65
  66                         // Resolve it
  67                         $ipResolved = gethostbyname($hostname);
  68                         if (($ipResolved !== false) && ($ipResolved != $hostname)) {
  69                                 // Okay, this works!
  70                                 $ip = $ipResolved;
  71
  72                                 // Debug message
  73                                 $helper->getDebugInstance()->output(sprintf("[%s:] Resolved IP address is: <strong>%s</strong><br />\n",
  74                                         $helper->__toString(),
  75                                         $ip
  76                                 ));
  77                         }
  78                 } catch (FrameworkException $e) {
  79                         // Do nothing here
  80                 }
  81
  82                 // Return the IP address
  83                 return $ip;
  84         }
  85 }
  86
  87 // [EOF]
  88 ?>