| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.bookkeeper.tests.rpc; |
| |
| import io.grpc.stub.StreamObserver; |
| import lombok.extern.slf4j.Slf4j; |
| import org.bookkeeper.tests.proto.rpc.PingPongServiceGrpc.PingPongServiceImplBase; |
| import org.bookkeeper.tests.proto.rpc.PingRequest; |
| import org.bookkeeper.tests.proto.rpc.PongResponse; |
| |
| /** |
| * An implementation of the ping pong service used for testing. |
| */ |
| @Slf4j |
| public class PingPongService extends PingPongServiceImplBase { |
| |
| private final int streamPongSize; |
| |
| public PingPongService(int streamPongSize) { |
| this.streamPongSize = streamPongSize; |
| } |
| |
| @Override |
| public void pingPong(PingRequest request, StreamObserver<PongResponse> responseObserver) { |
| responseObserver.onNext(PongResponse.newBuilder() |
| .setLastSequence(request.getSequence()) |
| .setNumPingReceived(1) |
| .setSlotId(0) |
| .build()); |
| responseObserver.onCompleted(); |
| } |
| |
| @Override |
| public StreamObserver<PingRequest> lotsOfPings(StreamObserver<PongResponse> responseObserver) { |
| return new StreamObserver<PingRequest>() { |
| |
| int pingCount = 0; |
| long lastSequence = -1L; |
| |
| @Override |
| public void onNext(PingRequest value) { |
| pingCount++; |
| lastSequence = value.getSequence(); |
| } |
| |
| @Override |
| public void onError(Throwable t) { |
| log.error("Failed on receiving stream of pings", t); |
| } |
| |
| @Override |
| public void onCompleted() { |
| responseObserver.onNext(PongResponse.newBuilder() |
| .setNumPingReceived(pingCount) |
| .setLastSequence(lastSequence) |
| .setSlotId(0) |
| .build()); |
| responseObserver.onCompleted(); |
| } |
| }; |
| } |
| |
| @Override |
| public void lotsOfPongs(PingRequest request, StreamObserver<PongResponse> responseObserver) { |
| long sequence = request.getSequence(); |
| for (int i = 0; i < streamPongSize; i++) { |
| responseObserver.onNext(PongResponse.newBuilder() |
| .setLastSequence(sequence) |
| .setNumPingReceived(1) |
| .setSlotId(i) |
| .build()); |
| } |
| responseObserver.onCompleted(); |
| } |
| |
| @Override |
| public StreamObserver<PingRequest> bidiPingPong(StreamObserver<PongResponse> responseObserver) { |
| return new StreamObserver<PingRequest>() { |
| |
| int pingCount = 0; |
| |
| @Override |
| public void onNext(PingRequest ping) { |
| pingCount++; |
| responseObserver.onNext(PongResponse.newBuilder() |
| .setLastSequence(ping.getSequence()) |
| .setNumPingReceived(pingCount) |
| .setSlotId(0) |
| .build()); |
| } |
| |
| @Override |
| public void onError(Throwable t) { |
| responseObserver.onError(t); |
| } |
| |
| @Override |
| public void onCompleted() { |
| responseObserver.onCompleted(); |
| } |
| }; |
| } |
| } |