1 /* 2 * Copyright 2023 The gRPC Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package io.grpc.xds; 18 19 import io.envoyproxy.envoy.service.load_stats.v3.LoadReportingServiceGrpc; 20 import io.envoyproxy.envoy.service.load_stats.v3.LoadStatsRequest; 21 import io.envoyproxy.envoy.service.load_stats.v3.LoadStatsResponse; 22 import io.grpc.stub.StreamObserver; 23 24 /** 25 * This dummy implementation is just used to allow tests that utilize load reporting to successfully 26 * connect to a test control plane server. It can be later expanded to e.g. store the requests it 27 * receives for tests to verify. 28 */ 29 final class XdsTestLoadReportingService extends 30 LoadReportingServiceGrpc.LoadReportingServiceImplBase { 31 32 @Override streamLoadStats( StreamObserver<LoadStatsResponse> responseObserver)33 public StreamObserver<LoadStatsRequest> streamLoadStats( 34 StreamObserver<LoadStatsResponse> responseObserver) { 35 return new StreamObserver<LoadStatsRequest>() { 36 @Override 37 public void onNext(LoadStatsRequest request) { 38 responseObserver.onNext(LoadStatsResponse.newBuilder().build()); 39 } 40 41 @Override 42 public void onError(Throwable t) { 43 responseObserver.onError(t); 44 } 45 46 @Override 47 public void onCompleted() { 48 responseObserver.onCompleted(); 49 } 50 }; 51 } 52 } 53