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<?php
/**
* Build file cache for content pages
*
* @file
* @ingroup Maintenance
*/
/** */
require_once( "commandLine.inc" );
if( !$wgUseFileCache ) {
echo "Nothing to do -- \$wgUseFileCache is disabled.\n";
exit(0);
}
$wgDisableCounters = false; // no real hits here
$start = isset($args[0]) ? intval($args[0]) : 0;
$overwrite = isset( $args[1] ) && $args[1] === 'overwrite';
echo "Building content page file cache from page {$start}!\n";
$dbr = wfGetDB( DB_SLAVE );
$start = $start > 0 ? $start : $dbr->selectField( 'page', 'MIN(page_id)', false, __FUNCTION__ );
$end = $dbr->selectField( 'page', 'MAX(page_id)', false, __FUNCTION__ );
if( !$start ) {
die("Nothing to do.\n");
}
$_SERVER['HTTP_ACCEPT_ENCODING'] = 'bgzip'; // hack, no real client
OutputPage::setEncodings(); # Not really used yet
$BATCH_SIZE = 100;
# Do remaining chunk
$end += $BATCH_SIZE - 1;
$blockStart = $start;
$blockEnd = $start + $BATCH_SIZE - 1;
// Go through each page and save the output
while( $blockEnd <= $end ) {
// Get the pages
$res = $dbr->select( 'page', array('page_namespace','page_title','page_id'),
array('page_namespace' => $wgContentNamespaces,
"page_id BETWEEN $blockStart AND $blockEnd" ),
array('ORDER BY' => 'page_id ASC','USE INDEX' => 'PRIMARY')
);
while( $row = $dbr->fetchObject( $res ) ) {
$rebuilt = false;
$wgTitle = Title::makeTitleSafe( $row->page_namespace, $row->page_title );
if( null == $wgTitle ) {
echo "Page {$row->page_id} bad title\n";
continue; // broken title?
}
$wgArticle = new Article( $wgTitle );
// If the article is cacheable, then load it
if( $wgArticle->isFileCacheable() ) {
$cache = new HTMLFileCache( $wgTitle );
if( $cache->isFileCacheGood() ) {
if( $overwrite ) {
$rebuilt = true;
} else {
echo "Page {$row->page_id} already cached\n";
continue; // done already!
}
} else {
echo "Page {$row->page_id} not cached\n";
}
ob_start( array(&$cache, 'saveToFileCache' ) ); // save on ob_end_clean()
$wgUseFileCache = false; // hack, we don't want $wgArticle fiddling with filecache
$wgArticle->view();
@$wgOut->output(); // header notices
$wgUseFileCache = true;
ob_end_clean(); // clear buffer
$wgOut = new OutputPage(); // empty out any output page garbage
if( $rebuilt )
echo "Re-cached page {$row->page_id}\n";
else
echo "Cached page {$row->page_id}\n";
} else {
echo "Page {$row->page_id} not cacheable\n";
}
}
$blockStart += $BATCH_SIZE;
$blockEnd += $BATCH_SIZE;
wfWaitForSlaves( 5 );
}
echo "Done!\n";
// Remove these to be safe
if( isset($wgTitle) )
unset($wgTitle);
if( isset($wgArticle) )
unset($wgArticle);
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