From 1378ce62d31b91afab060ec5b8b0cc35916eb71d Mon Sep 17 00:00:00 2001
From: Roan Kattouw <catrope@users.mediawiki.org>
Date: Thu, 27 Aug 2009 17:07:23 +0000
Subject: [PATCH] API: Add optional API request logging to a file or UDP;
 intending to use this on the cluster to get some data about API usage and
 things like which queries are expensive

---
 api.php                      | 13 +++++++++++++
 includes/DefaultSettings.php |  6 ++++++
 2 files changed, 19 insertions(+)

diff --git a/api.php b/api.php
index 6c32baa86f..cf56858383 100644
--- a/api.php
+++ b/api.php
@@ -38,6 +38,7 @@
 require (dirname(__FILE__) . '/includes/WebStart.php');
 
 wfProfileIn('api.php');
+$starttime = microtime( true );
 
 // URL safety checks
 //
@@ -118,9 +119,21 @@ $processor->execute();
 wfDoUpdates();
 
 // Log what the user did, for book-keeping purposes.
+$endtime = microtime( true );
 wfProfileOut('api.php');
 wfLogProfilingData();
 
+// Log the request
+if ( $wgAPIRequestLog ) {
+	wfErrorLog( implode( ',', array(
+			wfTimestamp( TS_MW ),
+			$endtime - $starttime,
+			wfGetIP(),
+			wfArrayToCGI( $wgRequest->getValues() )
+	) ) . "\n", $wgAPIRequestLog );
+	wfDebug( "Logged API request to $wgAPIRequestLog\n" );
+}
+
 // Shut down the database
 wfGetLBFactory()->shutdown();
 
diff --git a/includes/DefaultSettings.php b/includes/DefaultSettings.php
index dc657d9f12..c649938d57 100644
--- a/includes/DefaultSettings.php
+++ b/includes/DefaultSettings.php
@@ -3822,6 +3822,12 @@ $wgAPIMaxResultSize = 8388608;
  */
 $wgAPIMaxUncachedDiffs = 1;
 
+/**
+ * Log file or URL (TCP or UDP) to log API requests to, or false to disable
+ * API request logging
+ */
+$wgAPIRequestLog = false;
+
 /**
  * Parser test suite files to be run by parserTests.php when no specific
  * filename is passed to it.
-- 
2.20.1