4f11b61454
Set appropriate headers and flush the output as needed to avoid blocking the client on post-send updates for the stock apache2 server scenario. Several cases have bits of header logic to avoid delay: a) basic GET/POST requests that succeed (e.g. HTTP 2XX) b) requests that fail with errors (e.g. HTTP 500) c) If-Modified-Since requests (e.g. HTTP 304) d) HEAD requests This last two still block on deferred updates, so schedulePostSendJobs() does not trigger on them as a form of mitigation. Slow deferred updates should only trigger on POST anyway (inline and redirect responses are OK), so this should not be much of a problem. Deprecate triggerJobs() and implement post-send job runs as a deferred. This makes it easy to check for the existence of post-send updates by calling DeferredUpdates::pendingUpdatesCount() after the pre-send stage. Also, avoid running jobs on requests that had exceptions. Relatedly, remove $mode option from restInPeace() and doPostOutputShutdown() Only one caller was using the non-default options. Bug: T206283 Change-Id: I2dd2b71f1ced0f4ef8b16ff41ffb23bb5b4c7028
53 lines
1.8 KiB
PHP
53 lines
1.8 KiB
PHP
<?php
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/**
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* This file is the entry point for ResourceLoader.
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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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* @file
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* @author Roan Kattouw
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* @author Trevor Parscal
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*/
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use MediaWiki\MediaWikiServices;
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// This endpoint is supposed to be independent of request cookies and other
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// details of the session. Enforce this constraint with respect to session use.
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define( 'MW_NO_SESSION', 1 );
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define( 'MW_ENTRY_POINT', 'load' );
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require __DIR__ . '/includes/WebStart.php';
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// URL safety checks
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if ( !$wgRequest->checkUrlExtension() ) {
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return;
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}
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// Disable ChronologyProtector so that we don't wait for unrelated MediaWiki
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// writes when getting database connections for ResourceLoader. (T192611)
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MediaWikiServices::getInstance()->getDBLoadBalancerFactory()->disableChronologyProtection();
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$resourceLoader = MediaWikiServices::getInstance()->getResourceLoader();
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$context = new ResourceLoaderContext( $resourceLoader, $wgRequest );
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// Respond to ResourceLoader request
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$resourceLoader->respond( $context );
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Profiler::instance()->setAllowOutput();
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$mediawiki = new MediaWiki();
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$mediawiki->doPostOutputShutdown();
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