Merge pull request #1666 from Netflix/lindseyr/add-metrics

Add metrics for h2 frames passed through userEventTriggered
Netflix · Oct 23, 2023 · bf54e68 · bf54e68
2 parents bb6152d + b12ba64
commit bf54e68
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/zuul-core/src/main/java/com/netflix/netty/common/metrics/Http2MetricsChannelHandlers.java b/zuul-core/src/main/java/com/netflix/netty/common/metrics/Http2MetricsChannelHandlers.java
@@ -93,6 +93,17 @@ public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception
             }
         }
 
+        @Override
+        public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
+            try {
+                if (evt instanceof Http2Frame) {
+                    incrementCounter(registry, frameCounterName, metricId, (Http2Frame) evt);
+                }
+            } finally {
+                super.userEventTriggered(ctx, evt);
+            }
+        }
+
         @Override
         public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
             try {