Beispiel #1
0
  public void gracefulShutdown() throws Exception {
    StreamingOutputCallRequest[] requests = new StreamingOutputCallRequest[3];
    requests[0] = new StreamingOutputCallRequest();
    requests[0].responseParameters = new ResponseParameters[1];
    requests[0].responseParameters[0] = new ResponseParameters();
    requests[0].responseParameters[0].size = 3;
    requests[0].payload = new Payload();
    requests[0].payload.body = new byte[2];
    requests[1] = new StreamingOutputCallRequest();
    requests[1].responseParameters = new ResponseParameters[1];
    requests[1].responseParameters[0] = new ResponseParameters();
    requests[1].responseParameters[0].size = 1;
    requests[1].payload = new Payload();
    requests[1].payload.body = new byte[7];
    requests[2] = new StreamingOutputCallRequest();
    requests[2].responseParameters = new ResponseParameters[1];
    requests[2].responseParameters[0] = new ResponseParameters();
    requests[2].responseParameters[0].size = 4;
    requests[2].payload = new Payload();
    requests[2].payload.body = new byte[1];

    StreamingOutputCallResponse[] goldenResponses = new StreamingOutputCallResponse[3];
    goldenResponses[0] = new StreamingOutputCallResponse();
    goldenResponses[0].payload = new Payload();
    goldenResponses[0].payload.type = Messages.COMPRESSABLE;
    goldenResponses[0].payload.body = new byte[3];
    goldenResponses[1] = new StreamingOutputCallResponse();
    goldenResponses[1].payload = new Payload();
    goldenResponses[1].payload.type = Messages.COMPRESSABLE;
    goldenResponses[1].payload.body = new byte[1];
    goldenResponses[2] = new StreamingOutputCallResponse();
    goldenResponses[2].payload = new Payload();
    goldenResponses[2].payload.type = Messages.COMPRESSABLE;
    goldenResponses[2].payload.body = new byte[4];

    ResponseObserver responseObserver = new ResponseObserver();
    StreamObserver<StreamingOutputCallRequest> requestObserver =
        asyncStub.fullDuplexCall(responseObserver);
    requestObserver.onNext(requests[0]);
    Object response = responseObserver.responses.poll(TIMEOUT_MILLIS, TimeUnit.MILLISECONDS);
    assertTrue(response instanceof Messages.StreamingOutputCallResponse);
    assertMessageEquals(goldenResponses[0], (Messages.StreamingOutputCallResponse) response);
    // Initiate graceful shutdown.
    channel.shutdown();
    // The previous ping-pong could have raced with the shutdown, but this one certainly shouldn't.
    requestObserver.onNext(requests[1]);
    response = responseObserver.responses.poll(TIMEOUT_MILLIS, TimeUnit.MILLISECONDS);
    assertTrue(response instanceof Messages.StreamingOutputCallResponse);
    assertMessageEquals(goldenResponses[1], (Messages.StreamingOutputCallResponse) response);
    requestObserver.onNext(requests[2]);
    response = responseObserver.responses.poll(TIMEOUT_MILLIS, TimeUnit.MILLISECONDS);
    assertTrue(response instanceof Messages.StreamingOutputCallResponse);
    assertMessageEquals(goldenResponses[2], (Messages.StreamingOutputCallResponse) response);
    requestObserver.onCompleted();
    assertEquals(
        responseObserver.magicTailResponse,
        responseObserver.responses.poll(TIMEOUT_MILLIS, TimeUnit.MILLISECONDS));
  }
 private void shutdown() throws InterruptedException {
   originChannel.shutdown().awaitTermination(5, TimeUnit.SECONDS);
 }
Beispiel #3
0
  public void serverStreamingShouldBeFlowControlled() throws Exception {
    final StreamingOutputCallRequest request = new StreamingOutputCallRequest();
    request.responseType = Messages.COMPRESSABLE;
    request.responseParameters = new ResponseParameters[2];
    request.responseParameters[0] = new ResponseParameters();
    request.responseParameters[0].size = 100000;
    request.responseParameters[1] = new ResponseParameters();
    request.responseParameters[1].size = 100001;
    final StreamingOutputCallResponse[] goldenResponses = new StreamingOutputCallResponse[2];
    goldenResponses[0] = new StreamingOutputCallResponse();
    goldenResponses[0].payload = new Payload();
    goldenResponses[0].payload.type = Messages.COMPRESSABLE;
    goldenResponses[0].payload.body = new byte[100000];
    goldenResponses[1] = new StreamingOutputCallResponse();
    goldenResponses[1].payload = new Payload();
    goldenResponses[1].payload.type = Messages.COMPRESSABLE;
    goldenResponses[1].payload.body = new byte[100001];

    long start = System.nanoTime();

    final ArrayBlockingQueue<Object> queue = new ArrayBlockingQueue<Object>(10);
    ClientCall<StreamingOutputCallRequest, StreamingOutputCallResponse> call =
        channel.newCall(TestServiceGrpc.METHOD_STREAMING_OUTPUT_CALL, CallOptions.DEFAULT);
    call.start(
        new ClientCall.Listener<StreamingOutputCallResponse>() {
          @Override
          public void onHeaders(Metadata headers) {}

          @Override
          public void onMessage(final StreamingOutputCallResponse message) {
            queue.add(message);
          }

          @Override
          public void onClose(io.grpc.Status status, Metadata trailers) {
            queue.add(status);
          }
        },
        new Metadata());
    call.sendMessage(request);
    call.halfClose();

    // Time how long it takes to get the first response.
    call.request(1);
    assertMessageEquals(
        goldenResponses[0],
        (StreamingOutputCallResponse) queue.poll(TIMEOUT_MILLIS, TimeUnit.MILLISECONDS));
    long firstCallDuration = System.nanoTime() - start;

    // Without giving additional flow control, make sure that we don't get another response. We wait
    // until we are comfortable the next message isn't coming. We may have very low nanoTime
    // resolution (like on Windows) or be using a testing, in-process transport where message
    // handling is instantaneous. In both cases, firstCallDuration may be 0, so round up sleep time
    // to at least 1ms.
    assertNull(queue.poll(Math.max(firstCallDuration * 4, 1 * 1000 * 1000), TimeUnit.NANOSECONDS));

    // Make sure that everything still completes.
    call.request(1);
    assertMessageEquals(
        goldenResponses[1],
        (StreamingOutputCallResponse) queue.poll(TIMEOUT_MILLIS, TimeUnit.MILLISECONDS));
    assertCodeEquals(
        io.grpc.Status.OK, (io.grpc.Status) queue.poll(TIMEOUT_MILLIS, TimeUnit.MILLISECONDS));
  }
Beispiel #4
0
 public void shutdown() {
   channel.shutdown();
 }