@AfterMethod
  public void tearDown() {
    serviceA.close();
    serviceB.close();

    threadPool.shutdown();
  }
  @Test
  public void testTimeoutSendExceptionWithNeverSendingBackResponse() throws Exception {
    serviceA.registerHandler(
        "sayHelloTimeoutNoResponse",
        new BaseTransportRequestHandler<StringMessage>() {
          @Override
          public StringMessage newInstance() {
            return new StringMessage();
          }

          @Override
          public void messageReceived(StringMessage request, TransportChannel channel) {
            System.out.println("got message: " + request.message);
            assertThat("moshe", equalTo(request.message));
            // don't send back a response
            //                try {
            //                    channel.sendResponse(new StringMessage("hello " +
            // request.message));
            //                } catch (IOException e) {
            //                    e.printStackTrace();
            //                    assertThat(e.getMessage(), false, equalTo(true));
            //                }
          }
        });

    TransportFuture<StringMessage> res =
        serviceB.submitRequest(
            serviceANode,
            "sayHelloTimeoutNoResponse",
            new StringMessage("moshe"),
            options().withTimeout(100),
            new BaseTransportResponseHandler<StringMessage>() {
              @Override
              public StringMessage newInstance() {
                return new StringMessage();
              }

              @Override
              public void handleResponse(StringMessage response) {
                assertThat("got response instead of exception", false, equalTo(true));
              }

              @Override
              public void handleException(RemoteTransportException exp) {
                assertThat(exp, instanceOf(ReceiveTimeoutTransportException.class));
              }
            });

    try {
      StringMessage message = res.txGet();
      assertThat("exception should be thrown", false, equalTo(true));
    } catch (Exception e) {
      assertThat(e, instanceOf(ReceiveTimeoutTransportException.class));
    }

    serviceA.removeHandler("sayHelloTimeoutNoResponse");

    System.out.println("after ...");
  }
 @BeforeMethod
 public void setUp() {
   threadPool = new CachedThreadPool();
   timerService = new TimerService(threadPool);
   build();
   serviceA.connectToNode(serviceBNode);
   serviceB.connectToNode(serviceANode);
 }
  @Test
  public void testErrorMessage() {
    serviceA.registerHandler(
        "sayHelloException",
        new BaseTransportRequestHandler<StringMessage>() {
          @Override
          public StringMessage newInstance() {
            return new StringMessage();
          }

          @Override
          public void messageReceived(StringMessage request, TransportChannel channel)
              throws Exception {
            System.out.println("got message: " + request.message);
            assertThat("moshe", equalTo(request.message));
            throw new RuntimeException("bad message !!!");
          }
        });

    TransportFuture<StringMessage> res =
        serviceB.submitRequest(
            serviceANode,
            "sayHelloException",
            new StringMessage("moshe"),
            new BaseTransportResponseHandler<StringMessage>() {
              @Override
              public StringMessage newInstance() {
                return new StringMessage();
              }

              @Override
              public void handleResponse(StringMessage response) {
                assertThat("got response instead of exception", false, equalTo(true));
              }

              @Override
              public void handleException(RemoteTransportException exp) {
                assertThat("bad message !!!", equalTo(exp.getCause().getMessage()));
              }
            });

    try {
      res.txGet();
      assertThat("exception should be thrown", false, equalTo(true));
    } catch (Exception e) {
      assertThat("bad message !!!", equalTo(e.getCause().getMessage()));
    }

    serviceA.removeHandler("sayHelloException");

    System.out.println("after ...");
  }
  @Test
  public void testDisconnectListener() throws Exception {
    final CountDownLatch latch = new CountDownLatch(1);
    TransportConnectionListener disconnectListener =
        new TransportConnectionListener() {
          @Override
          public void onNodeConnected(DiscoveryNode node) {
            throw new RuntimeException("Should not be called");
          }

          @Override
          public void onNodeDisconnected(DiscoveryNode node) {
            latch.countDown();
          }
        };
    serviceA.addConnectionListener(disconnectListener);
    serviceB.close();
    assertThat(latch.await(5, TimeUnit.SECONDS), equalTo(true));
  }
  @Test
  public void testHelloWorld() {
    serviceA.registerHandler(
        "sayHello",
        new BaseTransportRequestHandler<StringMessage>() {
          @Override
          public StringMessage newInstance() {
            return new StringMessage();
          }

          @Override
          public void messageReceived(StringMessage request, TransportChannel channel) {
            System.out.println("got message: " + request.message);
            assertThat("moshe", equalTo(request.message));
            try {
              channel.sendResponse(new StringMessage("hello " + request.message));
            } catch (IOException e) {
              e.printStackTrace();
              assertThat(e.getMessage(), false, equalTo(true));
            }
          }
        });

    TransportFuture<StringMessage> res =
        serviceB.submitRequest(
            serviceANode,
            "sayHello",
            new StringMessage("moshe"),
            new BaseTransportResponseHandler<StringMessage>() {
              @Override
              public StringMessage newInstance() {
                return new StringMessage();
              }

              @Override
              public void handleResponse(StringMessage response) {
                System.out.println("got response: " + response.message);
                assertThat("hello moshe", equalTo(response.message));
              }

              @Override
              public void handleException(RemoteTransportException exp) {
                exp.printStackTrace();
                assertThat(
                    "got exception instead of a response: " + exp.getMessage(),
                    false,
                    equalTo(true));
              }
            });

    try {
      StringMessage message = res.get();
      assertThat("hello moshe", equalTo(message.message));
    } catch (Exception e) {
      assertThat(e.getMessage(), false, equalTo(true));
    }

    serviceA.removeHandler("sayHello");

    System.out.println("after ...");
  }
  @Test
  public void testTimeoutSendExceptionWithDelayedResponse() throws Exception {
    serviceA.registerHandler(
        "sayHelloTimeoutDelayedResponse",
        new BaseTransportRequestHandler<StringMessage>() {
          @Override
          public StringMessage newInstance() {
            return new StringMessage();
          }

          @Override
          public void messageReceived(StringMessage request, TransportChannel channel) {
            System.out.println("got message: " + request.message);
            TimeValue sleep = TimeValue.parseTimeValue(request.message, null);
            try {
              Thread.sleep(sleep.millis());
            } catch (InterruptedException e) {
              // ignore
            }
            try {
              channel.sendResponse(new StringMessage("hello " + request.message));
            } catch (IOException e) {
              e.printStackTrace();
              assertThat(e.getMessage(), false, equalTo(true));
            }
          }
        });

    TransportFuture<StringMessage> res =
        serviceB.submitRequest(
            serviceANode,
            "sayHelloTimeoutDelayedResponse",
            new StringMessage("300ms"),
            options().withTimeout(100),
            new BaseTransportResponseHandler<StringMessage>() {
              @Override
              public StringMessage newInstance() {
                return new StringMessage();
              }

              @Override
              public void handleResponse(StringMessage response) {
                assertThat("got response instead of exception", false, equalTo(true));
              }

              @Override
              public void handleException(RemoteTransportException exp) {
                assertThat(exp, instanceOf(ReceiveTimeoutTransportException.class));
              }
            });

    try {
      StringMessage message = res.txGet();
      assertThat("exception should be thrown", false, equalTo(true));
    } catch (Exception e) {
      assertThat(e, instanceOf(ReceiveTimeoutTransportException.class));
    }

    // sleep for 400 millis to make sure we get back the response
    Thread.sleep(400);

    for (int i = 0; i < 10; i++) {
      final int counter = i;
      // now, try and send another request, this times, with a short timeout
      res =
          serviceB.submitRequest(
              serviceANode,
              "sayHelloTimeoutDelayedResponse",
              new StringMessage(counter + "ms"),
              options().withTimeout(100),
              new BaseTransportResponseHandler<StringMessage>() {
                @Override
                public StringMessage newInstance() {
                  return new StringMessage();
                }

                @Override
                public void handleResponse(StringMessage response) {
                  System.out.println("got response: " + response.message);
                  assertThat("hello " + counter + "ms", equalTo(response.message));
                }

                @Override
                public void handleException(RemoteTransportException exp) {
                  exp.printStackTrace();
                  assertThat(
                      "got exception instead of a response for "
                          + counter
                          + ": "
                          + exp.getDetailedMessage(),
                      false,
                      equalTo(true));
                }
              });

      StringMessage message = res.txGet();
      assertThat(message.message, equalTo("hello " + counter + "ms"));
    }

    serviceA.removeHandler("sayHelloTimeoutDelayedResponse");

    System.out.println("after ...");
  }