From 79161816e6b76d5fea787d8329f038d00fb156c5 Mon Sep 17 00:00:00 2001
From: Michael Lumish <mlumish@google.com>
Date: Tue, 7 Mar 2023 14:58:58 -0800
Subject: [PATCH] grpc-js: Add more logging to trace handling of received
 messages

---
 packages/grpc-js/src/resolving-call.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/packages/grpc-js/src/resolving-call.ts b/packages/grpc-js/src/resolving-call.ts
index b6398126..f29fb7fd 100644
--- a/packages/grpc-js/src/resolving-call.ts
+++ b/packages/grpc-js/src/resolving-call.ts
@@ -178,13 +178,17 @@ export class ResolvingCall implements Call {
     this.filterStack = this.filterStackFactory.createFilter();
     this.filterStack.sendMetadata(Promise.resolve(this.metadata)).then(filteredMetadata => {
       this.child = this.channel.createInnerCall(config, this.method, this.host, this.credentials, this.deadline);
+      this.trace('Created child [' + this.child.getCallNumber() + ']')
       this.child.start(filteredMetadata, {
         onReceiveMetadata: metadata => {
+          this.trace('Received metadata')
           this.listener!.onReceiveMetadata(this.filterStack!.receiveMetadata(metadata));
         },
         onReceiveMessage: message => {
+          this.trace('Received message');
           this.readFilterPending = true;
           this.filterStack!.receiveMessage(message).then(filteredMesssage => {
+            this.trace('Finished filtering received message');
             this.readFilterPending = false;
             this.listener!.onReceiveMessage(filteredMesssage);
             if (this.pendingChildStatus) {
@@ -195,6 +199,7 @@ export class ResolvingCall implements Call {
           });
         },
         onReceiveStatus: status => {
+          this.trace('Received status');
           if (this.readFilterPending) {
             this.pendingChildStatus = status;
           } else {