From: Aaron Schulz <aschulz@wikimedia.org>
Date: Wed, 7 Feb 2018 00:47:00 +0000 (-0800)
Subject: rdbms: apply minimum sanity timeout for all cases of LoadBalancer::doWait()
X-Git-Tag: 1.31.0-rc.0~666^2
X-Git-Url: https://git.heureux-cyclage.org/?p=lhc%2Fweb%2Fwiklou.git;a=commitdiff_plain;h=734aafcfbd49c2da176dd5f9d99cebc202f90bd6

rdbms: apply minimum sanity timeout for all cases of LoadBalancer::doWait()

Change-Id: I61b4da6429b390e5aae65d1a30adc6df59687d8c
---

diff --git a/includes/libs/rdbms/loadbalancer/LoadBalancer.php b/includes/libs/rdbms/loadbalancer/LoadBalancer.php
index 4ce7c6c5a7..f41088251a 100644
--- a/includes/libs/rdbms/loadbalancer/LoadBalancer.php
+++ b/includes/libs/rdbms/loadbalancer/LoadBalancer.php
@@ -526,7 +526,7 @@ class LoadBalancer implements ILoadBalancer {
 			for ( $i = 1; $i < $serverCount; $i++ ) {
 				if ( $this->mLoads[$i] > 0 ) {
 					$start = microtime( true );
-					$ok = $this->doWait( $i, true, max( 1, (int)$timeout ) ) && $ok;
+					$ok = $this->doWait( $i, true, $timeout ) && $ok;
 					$timeout -= ( microtime( true ) - $start );
 					if ( $timeout <= 0 ) {
 						break; // timeout reached
@@ -579,7 +579,7 @@ class LoadBalancer implements ILoadBalancer {
 	 * @return bool
 	 */
 	protected function doWait( $index, $open = false, $timeout = null ) {
-		$close = false; // close the connection afterwards
+		$timeout = max( 1, $timeout ?: $this->mWaitTimeout );
 
 		// Check if we already know that the DB has reached this point
 		$server = $this->getServerName( $index );
@@ -599,6 +599,7 @@ class LoadBalancer implements ILoadBalancer {
 		}
 
 		// Find a connection to wait on, creating one if needed and allowed
+		$close = false; // close the connection afterwards
 		$conn = $this->getAnyOpenConnection( $index );
 		if ( !$conn ) {
 			if ( !$open ) {
@@ -630,7 +631,6 @@ class LoadBalancer implements ILoadBalancer {
 			[ 'dbserver' => $server ]
 		);
 
-		$timeout = $timeout ?: $this->mWaitTimeout;
 		$result = $conn->masterPosWait( $this->mWaitForPos, $timeout );
 
 		if ( $result === null ) {