return $this->context->getOutput();
}
- public function __construct( RequestContext $context ){
+ public function __construct( RequestContext $context = null ) {
+ if ( !$context ) {
+ $context = RequestContext::getMain();
+ }
+
$this->context = $context;
$this->context->setTitle( $this->parseTitle() );
}
}
wfProfileOut( __METHOD__ );
}
+
+ /**
+ * Run the current MediaWiki instance
+ * index.php just calls this
+ */
+ function run() {
+ try {
+ $this->checkMaxLag( true );
+ $this->main();
+ $this->finalCleanup();
+ $this->restInPeace();
+ } catch ( Exception $e ) {
+ MWExceptionHandler::handle( $e );
+ }
+ }
+
+ /**
+ * Checks if the request should abort due to a lagged server,
+ * for given maxlag parameter.
+ *
+ * @param boolean $abort True if this class should abort the
+ * script execution. False to return the result as a boolean.
+ * @return boolean True if we passed the check, false if we surpass the maxlag
+ */
+ function checkMaxLag( $abort ) {
+ global $wgShowHostnames;
+
+ wfProfileIn( __METHOD__ );
+ $maxLag = $this->context->getRequest()->getVal( 'maxlag' );
+ if ( !is_null( $maxLag ) ) {
+ $lb = wfGetLB(); // foo()->bar() is not supported in PHP4
+ list( $host, $lag ) = $lb->getMaxLag();
+ if ( $lag > $maxLag ) {
+ if ( $abort ) {
+ header( 'HTTP/1.1 503 Service Unavailable' );
+ header( 'Retry-After: ' . max( intval( $maxLag ), 5 ) );
+ header( 'X-Database-Lag: ' . intval( $lag ) );
+ header( 'Content-Type: text/plain' );
+ if( $wgShowHostnames ) {
+ echo "Waiting for $host: $lag seconds lagged\n";
+ } else {
+ echo "Waiting for a database server: $lag seconds lagged\n";
+ }
+ }
+
+ wfProfileOut( __METHOD__ );
+
+ if ( !$abort )
+ return false;
+ exit;
+ }
+ }
+ wfProfileOut( __METHOD__ );
+ return true;
+ }
+
+ function main() {
+ global $wgUseFileCache, $wgTitle, $wgUseAjax;
+
+ # Set title from request parameters
+ $wgTitle = $this->getTitle();
+ $action = $this->context->getRequest()->getVal( 'action', 'view' );
+
+ # Send Ajax requests to the Ajax dispatcher.
+ if ( $wgUseAjax && $action == 'ajax' ) {
+ $dispatcher = new AjaxDispatcher();
+ $dispatcher->performAction();
+ return;
+ }
+
+ if ( $wgUseFileCache && $wgTitle !== null ) {
+ wfProfileIn( 'main-try-filecache' );
+ // Raw pages should handle cache control on their own,
+ // even when using file cache. This reduces hits from clients.
+ if ( $action != 'raw' && HTMLFileCache::useFileCache() ) {
+ /* Try low-level file cache hit */
+ $cache = new HTMLFileCache( $wgTitle, $action );
+ if ( $cache->isFileCacheGood( /* Assume up to date */ ) ) {
+ /* Check incoming headers to see if client has this cached */
+ if ( !$this->context->getOutput()->checkLastModified( $cache->fileCacheTime() ) ) {
+ $cache->loadFromFileCache();
+ }
+ # Do any stats increment/watchlist stuff
+ $article = Article::newFromTitle( $wgTitle, $this->context );
+ $article->viewUpdates();
+ # Tell OutputPage that output is taken care of
+ $this->context->getOutput()->disable();
+ wfProfileOut( 'main-try-filecache' );
+ return;
+ }
+ }
+ wfProfileOut( 'main-try-filecache' );
+ }
+
+ $this->performRequest();
+ }
}
require ( dirname( __FILE__ ) . '/includes/WebStart.php' );
}
-try {
- wfIndexMain();
-} catch ( Exception $e ) {
- MWExceptionHandler::handle( $e );
-}
-
-function wfIndexMain() {
- global $wgRequest, $wgShowHostnames, $mediaWiki, $wgTitle, $wgUseAjax, $wgUseFileCache;
-
- wfProfileIn( 'index.php' );
- wfProfileIn( 'index.php-setup' );
-
- $maxLag = $wgRequest->getVal( 'maxlag' );
- if ( !is_null( $maxLag ) ) {
- $lb = wfGetLB(); // foo()->bar() is not supported in PHP4
- list( $host, $lag ) = $lb->getMaxLag();
- if ( $lag > $maxLag ) {
- header( 'HTTP/1.1 503 Service Unavailable' );
- header( 'Retry-After: ' . max( intval( $maxLag ), 5 ) );
- header( 'X-Database-Lag: ' . intval( $lag ) );
- header( 'Content-Type: text/plain' );
- if( $wgShowHostnames ) {
- echo "Waiting for $host: $lag seconds lagged\n";
- } else {
- echo "Waiting for a database server: $lag seconds lagged\n";
- }
- wfProfileOut( 'index.php-setup' );
- wfProfileOut( 'index.php' );
- exit;
- }
- }
-
- # Initialize MediaWiki base class
- $context = RequestContext::getMain();
- $mediaWiki = new MediaWiki( $context );
-
- # Set title from request parameters
- $wgTitle = $mediaWiki->getTitle();
- $action = $wgRequest->getVal( 'action', 'view' );
-
- wfProfileOut( 'index.php-setup' );
-
- # Send Ajax requests to the Ajax dispatcher.
- if ( $wgUseAjax && $action == 'ajax' ) {
- $dispatcher = new AjaxDispatcher();
- $dispatcher->performAction();
- wfProfileOut( 'index.php' );
- $mediaWiki->restInPeace();
- exit;
- }
-
- if ( $wgUseFileCache && $wgTitle !== null ) {
- wfProfileIn( 'index.php-filecache' );
- // Raw pages should handle cache control on their own,
- // even when using file cache. This reduces hits from clients.
- if ( $action != 'raw' && HTMLFileCache::useFileCache() ) {
- /* Try low-level file cache hit */
- $cache = new HTMLFileCache( $wgTitle, $action );
- if ( $cache->isFileCacheGood( /* Assume up to date */ ) ) {
- /* Check incoming headers to see if client has this cached */
- if ( !$context->getOutput()->checkLastModified( $cache->fileCacheTime() ) ) {
- $cache->loadFromFileCache();
- }
- # Do any stats increment/watchlist stuff
- $article = Article::newFromTitle( $wgTitle, $context );
- $article->viewUpdates();
- # Tell OutputPage that output is taken care of
- $context->getOutput()->disable();
- wfProfileOut( 'index.php-filecache' );
- $mediaWiki->finalCleanup();
- wfProfileOut( 'index.php' );
- $mediaWiki->restInPeace();
- exit;
- }
- }
- wfProfileOut( 'index.php-filecache' );
- }
-
- /**
- * $wgArticle is deprecated, do not use it. This will possibly be removed
- * entirely in 1.20 or 1.21
- * @deprecated since 1.19
- */
- global $wgArticle;
-
- $wgArticle = $mediaWiki->performRequest();
-
- $mediaWiki->finalCleanup();
-
- wfProfileOut( 'index.php' );
-
- $mediaWiki->restInPeace();
-}
+$mediaWiki = new MediaWiki();
+$mediaWiki->run();
/**
* Display something vaguely comprehensible in the event of a totally unrecoverable error.