MediaWiki 1.17.0

[autoinstallsdev/mediawiki.git] / maintenance / deleteImageMemcached.php

diff --git a/maintenance/deleteImageMemcached.php b/maintenance/deleteImageMemcached.php
index 2c3afa86ef7f1b5308765023aba3f02acb7258bf..007f0d17f6cfb179c24492582dcf05567c58f00e 100644 (file)
--- a/maintenance/deleteImageMemcached.php
+++ b/maintenance/deleteImageMemcached.php
@@ -1,33 +1,43 @@
 <?php
 /**
- * This script delete image information from memcached.
+ * This script delete image information from the cache.
  *
  * Usage example:
- * php deleteImageMemcached.php --until "2005-09-05 00:00:00" --sleep 0 --report 10
+ * php deleteImageMemcached.php --until "2005-09-05 00:00:00" --sleep 0
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
  *
- * @file
  * @ingroup Maintenance
  */
 
-$optionsWithArgs = array( 'until', 'sleep', 'report' );
-
-require_once 'commandLine.inc';
-
-/**
- * @ingroup Maintenance
- */
-class DeleteImageCache {
-       var $until, $sleep, $report;
+require_once( dirname( __FILE__ ) . '/Maintenance.php' );
 
-       function DeleteImageCache( $until, $sleep, $report ) {
-               $this->until = $until;
-               $this->sleep = $sleep;
-               $this->report = $report;
+class DeleteImageCache extends Maintenance {
+       public function __construct() {
+               parent::__construct();
+               $this->mDescription = "Delete image information from the cache";
+               $this->addOption( 'sleep', 'How many seconds to sleep between deletions', true, true );
+               $this->addOption( 'until', 'Timestamp to delete all entries prior to', true, true );
        }
 
-       function main() {
+       public function execute() {
                global $wgMemc;
-               $fname = 'DeleteImageCache::main';
+
+               $until = preg_replace( "/[^\d]/", '', $this->getOption( 'until' ) );
+               $sleep = (int)$this->getOption( 'sleep' ) * 1000; // milliseconds
 
                ini_set( 'display_errors', false );
 
@@ -35,38 +45,31 @@ class DeleteImageCache {
 
                $res = $dbr->select( 'image',
                        array( 'img_name' ),
-                       array( "img_timestamp < {$this->until}" ),
-                       $fname
+                       array( "img_timestamp < {$until}" ),
+                       __METHOD__
                );
 
                $i = 0;
                $total = $this->getImageCount();
 
-               while ( $row = $dbr->fetchObject( $res ) ) {
-                       if ($i % $this->report == 0)
-                               printf("%s: %13s done (%s)\n", wfWikiID(), "$i/$total", wfPercent( $i / $total * 100 ));
+               foreach ( $res as $row ) {
+                       if ( $i % $this->report == 0 )
+                               $this->output( sprintf( "%s: %13s done (%s)\n", wfWikiID(), "$i/$total", wfPercent( $i / $total * 100 ) ) );
                        $md5 = md5( $row->img_name );
                        $wgMemc->delete( wfMemcKey( 'Image', $md5 ) );
 
-                       if ($this->sleep != 0)
-                               usleep( $this->sleep );
+                       if ( $sleep != 0 )
+                               usleep( $sleep );
 
                        ++$i;
                }
        }
 
-       function getImageCount() {
-               $fname = 'DeleteImageCache::getImageCount';
-
+       private function getImageCount() {
                $dbr = wfGetDB( DB_SLAVE );
-               return $dbr->selectField( 'image', 'COUNT(*)', array(), $fname );
+               return $dbr->selectField( 'image', 'COUNT(*)', array(), __METHOD__ );
        }
 }
 
-$until = preg_replace( "/[^\d]/", '', $options['until'] );
-$sleep = (int)$options['sleep'] * 1000; // milliseconds
-$report = (int)$options['report'];
-
-$dic = new DeleteImageCache( $until, $sleep, $report );
-$dic->main();
-
+$maintClass = "DeleteImageCache";
+require_once( RUN_MAINTENANCE_IF_MAIN );