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<?php
/**
* Send purge requests for listed pages to squid
*
* 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
*/
require_once( __DIR__ . '/Maintenance.php' );
/**
* Maintenance script that sends purge requests for listed pages to squid.
*
* @ingroup Maintenance
*/
class PurgeList extends Maintenance {
public function __construct() {
parent::__construct();
$this->mDescription = "Send purge requests for listed pages to squid";
$this->addOption( 'purge', 'Whether to update page_touched.' , false, false );
$this->addOption( 'namespace', 'Namespace number', false, true );
$this->setBatchSize( 100 );
}
public function execute() {
if( $this->hasOption( 'namespace' ) ) {
$this->purgeNamespace();
} else {
$this->purgeList();
}
$this->output( "Done!\n" );
}
/** Purge URL coming from stdin */
private function purgeList() {
$stdin = $this->getStdin();
$urls = array();
while ( !feof( $stdin ) ) {
$page = trim( fgets( $stdin ) );
if ( preg_match( '%^https?://%', $page ) ) {
$urls[] = $page;
} elseif ( $page !== '' ) {
$title = Title::newFromText( $page );
if ( $title ) {
$url = $title->getInternalUrl();
$this->output( "$url\n" );
$urls[] = $url;
if ( $this->getOption( 'purge' ) ) {
$title->invalidateCache();
}
} else {
$this->output( "(Invalid title '$page')\n" );
}
}
}
$this->sendPurgeRequest( $urls );
}
/** Purge a namespace given by --namespace */
private function purgeNamespace() {
$dbr = wfGetDB( DB_SLAVE );
$ns = $dbr->addQuotes( $this->getOption( 'namespace') );
$result = $dbr->select(
array( 'page' ),
array( 'page_namespace', 'page_title' ),
array( "page_namespace = $ns" ),
__METHOD__,
array( 'ORDER BY' => 'page_id' )
);
$start = 0;
$end = $dbr->numRows( $result );
$this->output( "Will purge $end pages from namespace $ns\n" );
# Do remaining chunk
$end += $this->mBatchSize - 1;
$blockStart = $start;
$blockEnd = $start + $this->mBatchSize - 1;
while( $blockEnd <= $end ) {
# Select pages we will purge:
$result = $dbr->select(
array( 'page' ),
array( 'page_namespace', 'page_title' ),
array( "page_namespace = $ns" ),
__METHOD__,
array( # conditions
'ORDER BY' => 'page_id',
'LIMIT' => $this->mBatchSize,
'OFFSET' => $blockStart,
)
);
# Initialize/reset URLs to be purged
$urls = array();
foreach( $result as $row ) {
$title = Title::makeTitle( $row->page_namespace, $row->page_title );
$url = $title->getInternalUrl();
$urls[] = $url;
}
$this->sendPurgeRequest( $urls );
$blockStart += $this->mBatchSize;
$blockEnd += $this->mBatchSize;
}
}
/**
* Helper to purge an array of $urls
* @param $urls array List of URLS to purge from squids
*/
private function sendPurgeRequest( $urls ) {
$this->output( "Purging " . count( $urls ). " urls\n" );
$u = new SquidUpdate( $urls );
$u->doUpdate();
}
}
$maintClass = "PurgeList";
require_once( RUN_MAINTENANCE_IF_MAIN );
|
