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<?php
/**
* Run pending jobs.
*
* 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';
use MediaWiki\Logger\LoggerFactory;
/**
* Maintenance script that runs pending jobs.
*
* @ingroup Maintenance
*/
class RunJobs extends Maintenance {
public function __construct() {
parent::__construct();
$this->mDescription = "Run pending jobs";
$this->addOption( 'maxjobs', 'Maximum number of jobs to run', false, true );
$this->addOption( 'maxtime', 'Maximum amount of wall-clock time', false, true );
$this->addOption( 'type', 'Type of job to run', false, true );
$this->addOption( 'procs', 'Number of processes to use', false, true );
$this->addOption( 'nothrottle', 'Ignore job throttling configuration', false, false );
$this->addOption( 'result', 'Set to JSON to print only a JSON response', false, true );
}
public function memoryLimit() {
if ( $this->hasOption( 'memory-limit' ) ) {
return parent::memoryLimit();
}
// Don't eat all memory on the machine if we get a bad job.
return "150M";
}
public function execute() {
global $wgCommandLineMode;
if ( $this->hasOption( 'procs' ) ) {
$procs = intval( $this->getOption( 'procs' ) );
if ( $procs < 1 || $procs > 1000 ) {
$this->error( "Invalid argument to --procs", true );
} elseif ( $procs != 1 ) {
$fc = new ForkController( $procs );
if ( $fc->start() != 'child' ) {
exit( 0 );
}
}
}
$outputJSON = ( $this->getOption( 'result' ) === 'json' );
// Enable DBO_TRX for atomicity; JobRunner manages transactions
// and works well in web server mode already (@TODO: this is a hack)
$wgCommandLineMode = false;
$runner = new JobRunner( LoggerFactory::getInstance( 'runJobs' ) );
if ( !$outputJSON ) {
$runner->setDebugHandler( array( $this, 'debugInternal' ) );
}
$response = $runner->run( array(
'type' => $this->getOption( 'type', false ),
'maxJobs' => $this->getOption( 'maxjobs', false ),
'maxTime' => $this->getOption( 'maxtime', false ),
'throttle' => $this->hasOption( 'nothrottle' ) ? false : true,
) );
if ( $outputJSON ) {
$this->output( FormatJson::encode( $response, true ) );
}
$wgCommandLineMode = true;
}
/**
* @param string $s
*/
public function debugInternal( $s ) {
$this->output( $s );
}
}
$maintClass = "RunJobs";
require_once RUN_MAINTENANCE_IF_MAIN;
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