<?php
-// php deleteImageMemcached.php --until "2005-09-05 00:00:00" --sleep 0 --report 10
-$optionsWithArgs = array( 'until', 'sleep', 'report' );
+/**
+ * This script delete image information from the cache.
+ *
+ * Usage example:
+ * 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
+ *
+ * @ingroup Maintenance
+ */
-require_once 'commandLine.inc';
+require_once( dirname( __FILE__ ) . '/Maintenance.php' );
-class DeleteImageCache {
- var $until, $sleep, $report;
-
- 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() {
- global $wgMemc, $wgDBname;
- $fname = 'DeleteImageCache::main';
+
+ public function execute() {
+ global $wgMemc;
+
+ $until = preg_replace( "/[^\d]/", '', $this->getOption( 'until' ) );
+ $sleep = (int)$this->getOption( 'sleep' ) * 1000; // milliseconds
ini_set( 'display_errors', false );
-
- $dbr =& wfGetDB( DB_SLAVE );
-
+
+ $dbr = wfGetDB( DB_SLAVE );
+
$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", $wgDBname, "$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 );
- $wgMemc->delete( "$wgDBname:Image:$md5" );
-
- if ($this->sleep != 0)
- usleep( $this->sleep );
+ $wgMemc->delete( wfMemcKey( 'Image', $md5 ) );
+
+ if ( $sleep != 0 )
+ usleep( $sleep );
++$i;
}
}
-
- function getImageCount() {
- $fname = 'DeleteImageCache::getImageCount';
- $dbr =& wfGetDB( DB_SLAVE );
- return $dbr->selectField( 'image', 'COUNT(*)', array(), $fname );
+ private function getImageCount() {
+ $dbr = wfGetDB( DB_SLAVE );
+ 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( DO_MAINTENANCE );