$key = "$wgDBname:pcache:idhash:$pageid-$hash";
return $key;
}
-
+
function get( &$article, &$user ) {
- global $wgMemc;
+ global $wgMemc, $wgCacheEpoch;
+ $fname = "ParserCache::get";
+ wfProfileIn( $fname );
+
$hash = $user->getPageRenderingHash();
$pageid = intval( $article->getID() );
$key = $this->getKey( $article, $user );
+ wfDebug( "Trying parser cache $key\n" );
$value = $wgMemc->get( $key );
if ( $value ) {
+ wfDebug( "Found.\n" );
# Delete if article has changed since the cache was made
- if ( $value->getTouched() != $article->getTouched() ) {
+ $canCache = $article->checkTouched();
+ $cacheTime = $value->getCacheTime();
+ $touched = $article->mTouched;
+ if ( !$canCache || $value->getCacheTime() <= $touched || $cacheTime < $wgCacheEpoch ) {
+ if ( !$canCache ) {
+ wfDebug( "Invalid cached redirect, touched $touched, epoch $wgCacheEpoch, cached $cacheTime\n" );
+ } else {
+ wfDebug( "Key expired, touched $touched, epoch $wgCacheEpoch, cached $cacheTime\n" );
+ }
$wgMemc->delete( $key );
$value = false;
}
} else {
$value = false;
}
+
+ wfProfileOut( $fname );
return $value;
}
function save( $parserOutput, &$article, &$user ){
global $wgMemc;
+
$key = $this->getKey( $article, $user );
- $parserOutput->setTouched( $article->getTouched() );
+ $now = wfTimestampNow();
+ $parserOutput->setCacheTime( $now );
+ $parserOutput->mText .= "\n<!-- Saved in parser cache with key $key and timestamp $now -->\n";
+
if( $parserOutput->containsOldMagic() ){
$expire = 3600; # 1 hour
} else {
- $expire = 7*86400; # 7 days
+ $expire = 86400; # 1 day
}
$wgMemc->set( $key, $parserOutput, $expire );
}
-
}