From ba70f7168b41c8533bdaed0bde2cbf573cbdcf1e Mon Sep 17 00:00:00 2001
From: Michael Lumish <mlumish@google.com>
Date: Mon, 31 Jan 2022 13:54:40 -0800
Subject: [PATCH] grpc-js: Fix exitIdle propagation and DNS IP result backoff

---
 packages/grpc-js/src/load-balancer-child-handler.ts | 4 ++--
 packages/grpc-js/src/resolver-dns.ts                | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/packages/grpc-js/src/load-balancer-child-handler.ts b/packages/grpc-js/src/load-balancer-child-handler.ts
index c53914942..3379ec8a7 100644
--- a/packages/grpc-js/src/load-balancer-child-handler.ts
+++ b/packages/grpc-js/src/load-balancer-child-handler.ts
@@ -125,9 +125,9 @@ export class ChildLoadBalancerHandler implements LoadBalancer {
   }
   exitIdle(): void {
     if (this.currentChild) {
-      this.currentChild.resetBackoff();
+      this.currentChild.exitIdle();
       if (this.pendingChild) {
-        this.pendingChild.resetBackoff();
+        this.pendingChild.exitIdle();
       }
     }
   }
diff --git a/packages/grpc-js/src/resolver-dns.ts b/packages/grpc-js/src/resolver-dns.ts
index 160b3d326..8ad24ed05 100644
--- a/packages/grpc-js/src/resolver-dns.ts
+++ b/packages/grpc-js/src/resolver-dns.ts
@@ -144,6 +144,7 @@ class DnsResolver implements Resolver {
     if (this.ipResult !== null) {
       trace('Returning IP address for target ' + uriToString(this.target));
       setImmediate(() => {
+        this.backoff.reset();
         this.listener.onSuccessfulResolution(
           this.ipResult!,
           null,