grpc-js: Send backoffOptions to BackoffTimeout

Author: cloverheap

packages/grpc-js/src/resolving-load-balancer.ts

@@ -26,7 +26,7 @@ import { ConnectivityState } from './connectivity-state';
 import { ConfigSelector, createResolver, Resolver } from './resolver';
 import { ServiceError } from './call';
 import { Picker, UnavailablePicker, QueuePicker } from './picker';
-import { BackoffTimeout } from './backoff-timeout';
+import { BackoffOptions, BackoffTimeout } from './backoff-timeout';
 import { Status } from './constants';
 import { StatusObject } from './call-stream';
 import { Metadata } from './metadata';
@@ -248,15 +248,18 @@ export class ResolvingLoadBalancer implements LoadBalancer {
       },
       channelOptions
     );
-
+    const backoffOptions: BackoffOptions = {
+      initialDelay: channelOptions['grpc.initial_reconnect_backoff_ms'],
+      maxDelay: channelOptions['grpc.max_reconnect_backoff_ms'],
+    };
     this.backoffTimeout = new BackoffTimeout(() => {
       if (this.continueResolving) {
         this.updateResolution();
         this.continueResolving = false;
       } else {
         this.updateState(this.latestChildState, this.latestChildPicker);
       }
-    });
+    }, backoffOptions);
     this.backoffTimeout.unref();
   }