107 lines
3.3 KiB
PHP
107 lines
3.3 KiB
PHP
<?php
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/**
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* Rebuild the localisation cache. Useful if you disabled automatic updates
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* using $wgLocalisationCacheConf['manualRecache'] = true;
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*
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* Usage:
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* php rebuildLocalisationCache.php [--force]
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*
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* Use --force to rebuild all files, even the ones that are not out of date.
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* Use --threads=N to fork more threads.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @ingroup Maintenance
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*/
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require_once( dirname(__FILE__) . '/Maintenance.php' );
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class RebuildLocalisationCache extends Maintenance {
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public function __construct() {
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parent::__construct();
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$this->mDescription = "Rebuild the localisation cache";
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$this->addOption( 'force', 'Rebuild all files, even ones not out of date' );
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$this->addOption( 'threads', 'Fork more than one thread', false, true );
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}
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public function execute() {
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global $wgLocalisationCacheConf;
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ini_set( 'memory_limit', '200M' );
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$force = $this->hasOption('force');
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$threads = $this->getOption( 'threads', 1 );
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$conf = $wgLocalisationCacheConf;
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$conf['manualRecache'] = false; // Allow fallbacks to create CDB files
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if ( $force ) {
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$conf['forceRecache'] = true;
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}
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$lc = new LocalisationCache_BulkLoad( $conf );
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$codes = array_keys( Language::getLanguageNames( true ) );
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sort( $codes );
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// Initialise and split into chunks
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$numRebuilt = 0;
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$total = count($codes);
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$chunks = array_chunk( $codes, ceil(count($codes)/$threads) );
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$pids = array();
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foreach ( $chunks as $codes ) {
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// Do not fork for only one thread
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$pid = ( $threads > 1 ) ? pcntl_fork() : -1;
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if ( $pid === 0 ) {
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// Child, reseed because there is no bug in PHP:
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// http://bugs.php.net/bug.php?id=42465
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mt_srand(getmypid());
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$this->doRebuild( $codes, $numRebuilt, $lc, $force );
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exit();
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} elseif ($pid === -1) {
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// Fork failed or one thread, do it serialized
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$this->doRebuild( $codes, $numRebuilt, $lc, $force );
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} else {
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// Main thread
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$pids[] = $pid;
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}
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}
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// Wait for all children
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foreach ( $pids as $pid ) pcntl_waitpid($pid, $status);
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$this->output( "$numRebuilt languages rebuilt out of $total\n" );
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if ( $numRebuilt == 0 ) {
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$this->output( "Use --force to rebuild the caches which are still fresh.\n" );
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}
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}
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/**
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* Rebuild language cache
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* @todo Document
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*/
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private function doRebuild( $codes, &$numRebuilt, $lc, $force ) {
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foreach ( $codes as $code ) {
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if ( $force || $lc->isExpired( $code ) ) {
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$this->output( "Rebuilding $code...\n" );
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$lc->recache( $code );
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$numRebuilt++;
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}
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}
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}
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}
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$maintClass = "RebuildLocalisationCache";
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require_once( DO_MAINTENANCE );
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