diff options
Diffstat (limited to 'includes/job/RefreshLinksJob.php')
| -rw-r--r-- | includes/job/RefreshLinksJob.php | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/includes/job/RefreshLinksJob.php b/includes/job/RefreshLinksJob.php deleted file mode 100644 index b23951c6..00000000 --- a/includes/job/RefreshLinksJob.php +++ /dev/null @@ -1,202 +0,0 @@ -<?php -/** - * Job to update links for a given title. - * - * 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 JobQueue - */ - -/** - * Background job to update links for a given title. - * - * @ingroup JobQueue - */ -class RefreshLinksJob extends Job { - - function __construct( $title, $params = '', $id = 0 ) { - parent::__construct( 'refreshLinks', $title, $params, $id ); - } - - /** - * Run a refreshLinks job - * @return boolean success - */ - function run() { - wfProfileIn( __METHOD__ ); - - $linkCache = LinkCache::singleton(); - $linkCache->clear(); - - if ( is_null( $this->title ) ) { - $this->error = "refreshLinks: Invalid title"; - wfProfileOut( __METHOD__ ); - return false; - } - - # Wait for the DB of the current/next slave DB handle to catch up to the master. - # This way, we get the correct page_latest for templates or files that just changed - # milliseconds ago, having triggered this job to begin with. - if ( isset( $this->params['masterPos'] ) ) { - wfGetLB()->waitFor( $this->params['masterPos'] ); - } - - $revision = Revision::newFromTitle( $this->title, false, Revision::READ_NORMAL ); - if ( !$revision ) { - $this->error = 'refreshLinks: Article not found "' . - $this->title->getPrefixedDBkey() . '"'; - wfProfileOut( __METHOD__ ); - return false; // XXX: what if it was just deleted? - } - - self::runForTitleInternal( $this->title, $revision, __METHOD__ ); - - wfProfileOut( __METHOD__ ); - return true; - } - - public static function runForTitleInternal( Title $title, Revision $revision, $fname ) { - global $wgParser, $wgContLang; - - wfProfileIn( $fname . '-parse' ); - $options = ParserOptions::newFromUserAndLang( new User, $wgContLang ); - $parserOutput = $wgParser->parse( - $revision->getText(), $title, $options, true, true, $revision->getId() ); - wfProfileOut( $fname . '-parse' ); - - wfProfileIn( $fname . '-update' ); - $updates = $parserOutput->getSecondaryDataUpdates( $title, false ); - DataUpdate::runUpdates( $updates ); - wfProfileOut( $fname . '-update' ); - } -} - -/** - * Background job to update links for a given title. - * Newer version for high use templates. - * - * @ingroup JobQueue - */ -class RefreshLinksJob2 extends Job { - const MAX_TITLES_RUN = 10; - - function __construct( $title, $params, $id = 0 ) { - parent::__construct( 'refreshLinks2', $title, $params, $id ); - } - - /** - * Run a refreshLinks2 job - * @return boolean success - */ - function run() { - wfProfileIn( __METHOD__ ); - - $linkCache = LinkCache::singleton(); - $linkCache->clear(); - - if ( is_null( $this->title ) ) { - $this->error = "refreshLinks2: Invalid title"; - wfProfileOut( __METHOD__ ); - return false; - } elseif ( !isset( $this->params['start'] ) || !isset( $this->params['end'] ) ) { - $this->error = "refreshLinks2: Invalid params"; - wfProfileOut( __METHOD__ ); - return false; - } - - // Back compat for pre-r94435 jobs - $table = isset( $this->params['table'] ) ? $this->params['table'] : 'templatelinks'; - - // Avoid slave lag when fetching templates - if ( isset( $this->params['masterPos'] ) ) { - $masterPos = $this->params['masterPos']; - } elseif ( wfGetLB()->getServerCount() > 1 ) { - $masterPos = wfGetLB()->getMasterPos(); - } else { - $masterPos = false; - } - - $titles = $this->title->getBacklinkCache()->getLinks( - $table, $this->params['start'], $this->params['end'] ); - - if ( $titles->count() > self::MAX_TITLES_RUN ) { - # We don't want to parse too many pages per job as it can starve other jobs. - # If there are too many pages to parse, break this up into smaller jobs. By passing - # in the master position here we can cut down on the time spent waiting for slaves to - # catch up by the runners handling these jobs since time will have passed between now - # and when they pop these jobs off the queue. - $start = 0; // batch start - $end = 0; // batch end - $bsize = 0; // batch size - $first = true; // first of batch - $jobs = array(); - foreach ( $titles as $title ) { - $start = $first ? $title->getArticleId() : $start; - $end = $title->getArticleId(); - $first = false; - if ( ++$bsize >= self::MAX_TITLES_RUN ) { - $jobs[] = new RefreshLinksJob2( $this->title, array( - 'table' => $table, - 'start' => $start, - 'end' => $end, - 'masterPos' => $masterPos - ) ); - $first = true; - $start = $end = $bsize = 0; - } - } - if ( $bsize > 0 ) { // group remaining pages into a job - $jobs[] = new RefreshLinksJob2( $this->title, array( - 'table' => $table, - 'start' => $start, - 'end' => $end, - 'masterPos' => $masterPos - ) ); - } - Job::batchInsert( $jobs ); - } elseif ( php_sapi_name() != 'cli' ) { - # Not suitable for page load triggered job running! - # Gracefully switch to refreshLinks jobs if this happens. - $jobs = array(); - foreach ( $titles as $title ) { - $jobs[] = new RefreshLinksJob( $title, array( 'masterPos' => $masterPos ) ); - } - Job::batchInsert( $jobs ); - } else { - # Wait for the DB of the current/next slave DB handle to catch up to the master. - # This way, we get the correct page_latest for templates or files that just changed - # milliseconds ago, having triggered this job to begin with. - if ( $masterPos ) { - wfGetLB()->waitFor( $masterPos ); - } - # Re-parse each page that transcludes this page and update their tracking links... - foreach ( $titles as $title ) { - $revision = Revision::newFromTitle( $title, false, Revision::READ_NORMAL ); - if ( !$revision ) { - $this->error = 'refreshLinks: Article not found "' . - $title->getPrefixedDBkey() . '"'; - continue; // skip this page - } - RefreshLinksJob::runForTitleInternal( $title, $revision, __METHOD__ ); - wfWaitForSlaves(); - } - } - - wfProfileOut( __METHOD__ ); - return true; - } -} |