phpmyadmin/libraries/plugins/import/upload/UploadApc.class.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Provides upload functionalities for the import plugins
   5  *
   6  * @package PhpMyAdmin
   7  */
   8 if (! defined('PHPMYADMIN')) {
   9     exit;
  10 }
  11
  12 /* Get the transformations interface */
  13 require_once 'libraries/plugins/UploadInterface.int.php';
  14
  15 /**
  16  * Implementation for the APC extension
  17  *
  18  * @package PhpMyAdmin
  19  */
  20 class UploadApc implements UploadInterface
  21 {
  22     /**
  23      * Gets the specific upload ID Key
  24      *
  25      * @return string ID Key
  26      */
  27     public static function getIdKey()
  28     {
  29         return 'APC_UPLOAD_PROGRESS';
  30     }
  31
  32     /**
  33      * Returns upload status.
  34      *
  35      * This is implementation for APC extension.
  36      *
  37      * @param string $id upload id
  38      *
  39      * @return array|null
  40      */
  41     public static function getUploadStatus($id)
  42     {
  43         global $SESSION_KEY;
  44
  45         if (trim($id) == "") {
  46             return null;
  47         }
  48         if (! array_key_exists($id, $_SESSION[$SESSION_KEY])) {
  49             $_SESSION[$SESSION_KEY][$id] = array(
  50                 'id'       => $id,
  51                 'finished' => false,
  52                 'percent'  => 0,
  53                 'total'    => 0,
  54                 'complete' => 0,
  55                 'plugin'   => UploadApc::getIdKey()
  56              );
  57         }
  58         $ret = $_SESSION[$SESSION_KEY][$id];
  59
  60         if (! PMA_import_apcCheck() || $ret['finished']) {
  61             return $ret;
  62         }
  63         $status = apc_fetch('upload_' . $id);
  64
  65         if ($status) {
  66             $ret['finished'] = (bool)$status['done'];
  67             $ret['total']    = $status['total'];
  68             $ret['complete'] = $status['current'];
  69
  70             if ($ret['total'] > 0) {
  71                 $ret['percent'] = $ret['complete'] / $ret['total'] * 100;
  72             }
  73
  74             if ($ret['percent'] == 100) {
  75                 $ret['finished'] = (bool)true;
  76             }
  77
  78             $_SESSION[$SESSION_KEY][$id] = $ret;
  79         }
  80
  81         return $ret;
  82     }
  83 }
  84 ?>