Merge "Remove patrol config check in User::isAllowed()"
[lhc/web/wiklou.git] / includes / db / loadbalancer / LBFactoryMulti.php
index 2655659..39be996 100644 (file)
@@ -76,8 +76,6 @@
  * @ingroup Database
  */
 class LBFactoryMulti extends LBFactory {
-       // Required settings
-
        /** @var array A map of database names to section names */
        private $sectionsByDB;
 
@@ -160,7 +158,6 @@ class LBFactoryMulti extends LBFactory {
        public function __construct( array $conf ) {
                parent::__construct( $conf );
 
-               $this->chronProt = new ChronologyProtector;
                $this->conf = $conf;
                $required = array( 'sectionsByDB', 'sectionLoads', 'serverTemplate' );
                $optional = array( 'groupLoadsBySection', 'groupLoadsByDB', 'hostsByName',
@@ -209,19 +206,27 @@ class LBFactoryMulti extends LBFactory {
        public function newMainLB( $wiki = false ) {
                list( $dbName, ) = $this->getDBNameAndPrefix( $wiki );
                $section = $this->getSectionForWiki( $wiki );
-               $groupLoads = array();
                if ( isset( $this->groupLoadsByDB[$dbName] ) ) {
                        $groupLoads = $this->groupLoadsByDB[$dbName];
+               } else {
+                       $groupLoads = array();
                }
 
                if ( isset( $this->groupLoadsBySection[$section] ) ) {
                        $groupLoads = array_merge_recursive( $groupLoads, $this->groupLoadsBySection[$section] );
                }
 
+               $readOnlyReason = $this->readOnlyReason;
+               // Use the LB-specific read-only reason if everything isn't already read-only
+               if ( $readOnlyReason === false && isset( $this->readOnlyBySection[$section] ) ) {
+                       $readOnlyReason = $this->readOnlyBySection[$section];
+               }
+
                return $this->newLoadBalancer(
                        $this->serverTemplate,
                        $this->sectionLoads[$section],
-                       $groupLoads
+                       $groupLoads,
+                       $readOnlyReason
                );
        }
 
@@ -259,7 +264,12 @@ class LBFactoryMulti extends LBFactory {
                        $template = $this->templateOverridesByCluster[$cluster] + $template;
                }
 
-               return $this->newLoadBalancer( $template, $this->externalLoads[$cluster], array() );
+               return $this->newLoadBalancer(
+                       $template,
+                       $this->externalLoads[$cluster],
+                       array(),
+                       $this->readOnlyReason
+               );
        }
 
        /**
@@ -283,16 +293,16 @@ class LBFactoryMulti extends LBFactory {
         * @param array $template
         * @param array $loads
         * @param array $groupLoads
+        * @param string|bool $readOnlyReason
         * @return LoadBalancer
         */
-       private function newLoadBalancer( $template, $loads, $groupLoads ) {
-               $servers = $this->makeServerArray( $template, $loads, $groupLoads );
-               $lb = new LoadBalancer( array(
-                       'servers' => $servers,
-                       'loadMonitor' => $this->loadMonitorClass
+       private function newLoadBalancer( $template, $loads, $groupLoads, $readOnlyReason ) {
+               return new LoadBalancer( array(
+                       'servers' => $this->makeServerArray( $template, $loads, $groupLoads ),
+                       'loadMonitor' => $this->loadMonitorClass,
+                       'readOnlyReason' => $readOnlyReason,
+                       'trxProfiler' => $this->trxProfiler
                ) );
-
-               return $lb;
        }
 
        /**
@@ -389,14 +399,10 @@ class LBFactoryMulti extends LBFactory {
                }
        }
 
-       public function shutdown() {
-               foreach ( $this->mainLBs as $lb ) {
-                       $this->chronProt->shutdownLB( $lb );
-               }
-               foreach ( $this->extLBs as $extLB ) {
-                       $this->chronProt->shutdownLB( $extLB );
+       public function shutdown( $flags = 0 ) {
+               if ( !( $flags & self::SHUTDOWN_NO_CHRONPROT ) ) {
+                       $this->shutdownChronologyProtector( $this->chronProt );
                }
-               $this->chronProt->shutdown();
-               $this->commitMasterChanges();
+               $this->commitMasterChanges( __METHOD__ ); // sanity
        }
 }