Package com.linkedin.databus2.test.container

Examples of com.linkedin.databus2.test.container.ExceptionListenerTestHandler

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    ExtendedReadTimeoutHandler srvTimeoutHandler =
        (ExtendedReadTimeoutHandler)lastSrvConnPipeline.get(
            ExtendedReadTimeoutHandler.class.getSimpleName());
    SimpleTestMessageReader srvMsgReader = (SimpleTestMessageReader)lastSrvConnPipeline.get(
        SimpleTestMessageReader.class.getSimpleName());
    ExceptionListenerTestHandler srvExceptionListener =
        (ExceptionListenerTestHandler)lastSrvConnPipeline.get(
            ExceptionListenerTestHandler.class.getSimpleName());

    //hook in to key places in the client pipeline
    ChannelPipeline clientPipeline = clientConn.getChannel().getPipeline();
    ExtendedReadTimeoutHandler clientTimeoutHandler =
        (ExtendedReadTimeoutHandler)clientPipeline.get(
            ExtendedReadTimeoutHandler.class.getSimpleName());
    SimpleTestMessageReader clientMsgReader = (SimpleTestMessageReader)clientPipeline.get(
        SimpleTestMessageReader.class.getSimpleName());
    ExceptionListenerTestHandler clientExceptionListener =
        (ExceptionListenerTestHandler)clientPipeline.get(
            ExceptionListenerTestHandler.class.getSimpleName());

    //send a request
    ChannelBuffer msg = ChannelBuffers.wrappedBuffer("hello".getBytes(Charset.defaultCharset()));
    clientConn.getChannel().write(msg);

    //wait for the request to propagate
    try {Thread.sleep(10);} catch (InterruptedException ie){};

    Assert.assertNull(srvExceptionListener.getLastException(), "no server read timeout");
    Assert.assertNull(clientExceptionListener.getLastException(), "no client read timeout");
    Assert.assertEquals(srvMsgReader.getMsg(), "hello", "message read");

    //start server read timeout
    srvTimeoutHandler.start(lastSrvConnPipeline.getContext(srvTimeoutHandler));

    ChannelBuffer msg2 = ChannelBuffers.wrappedBuffer("eom".getBytes(Charset.defaultCharset()));
    clientConn.getChannel().write(msg2);

    //start the client timeout handler
    clientTimeoutHandler.start(clientPipeline.getContext(clientTimeoutHandler));

    Assert.assertNull(srvExceptionListener.getLastException(), "no server read timeout");
    Assert.assertNull(clientExceptionListener.getLastException(), "no client read timeout");
    Assert.assertEquals(srvMsgReader.getMsg(), "eom", "message read");

    //stop server read timeout
    srvTimeoutHandler.stop();

    ChannelBuffer resp = ChannelBuffers.wrappedBuffer("hi there".getBytes(Charset.defaultCharset()));
    lastSrvConnPipeline.getChannel().write(resp);

    //wait for the response to propagate
    try {Thread.sleep(10);} catch (InterruptedException ie){};

    Assert.assertNull(srvExceptionListener.getLastException(), "no server read timeout");
    Assert.assertNull(clientExceptionListener.getLastException(), "no client read timeout");
    Assert.assertEquals(clientMsgReader.getMsg(), "hi there", "response read");

    ChannelBuffer resp2 = ChannelBuffers.wrappedBuffer("eom".getBytes(Charset.defaultCharset()));
    lastSrvConnPipeline.getChannel().write(resp2);

    //wait for the response to propagate
    try {Thread.sleep(10);} catch (InterruptedException ie){};

    Assert.assertNull(srvExceptionListener.getLastException(), "no server read timeout");
    Assert.assertNull(clientExceptionListener.getLastException(), "no client read timeout");
    Assert.assertEquals(clientMsgReader.getMsg(), "eom", "response read");

    //stop client read timeout
    clientTimeoutHandler.stop();
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    ExtendedReadTimeoutHandler srvTimeoutHandler =
        (ExtendedReadTimeoutHandler)lastSrvConnPipeline.get(
            ExtendedReadTimeoutHandler.class.getSimpleName());
    SimpleTestMessageReader srvMsgReader = (SimpleTestMessageReader)lastSrvConnPipeline.get(
        SimpleTestMessageReader.class.getSimpleName());
    ExceptionListenerTestHandler srvExceptionListener =
        (ExceptionListenerTestHandler)lastSrvConnPipeline.get(
            ExceptionListenerTestHandler.class.getSimpleName());

    //hook in to key places in the client pipeline
    ChannelPipeline clientPipeline = clientConn.getChannel().getPipeline();
    ExtendedReadTimeoutHandler clientTimeoutHandler =
        (ExtendedReadTimeoutHandler)clientPipeline.get(
            ExtendedReadTimeoutHandler.class.getSimpleName());
    SimpleTestMessageReader clientMsgReader = (SimpleTestMessageReader)clientPipeline.get(
        SimpleTestMessageReader.class.getSimpleName());
    ExceptionListenerTestHandler clientExceptionListener =
        (ExceptionListenerTestHandler)clientPipeline.get(
            ExceptionListenerTestHandler.class.getSimpleName());

    for (int i = 0; i < 50; ++i)
    {
      //send a request
      ChannelBuffer msg = ChannelBuffers.wrappedBuffer(("hello" + i).getBytes(Charset.defaultCharset()));
      clientConn.getChannel().write(msg);

      //wait for the request to propagate
      try {Thread.sleep(10);} catch (InterruptedException ie){};

      Assert.assertNull(srvExceptionListener.getLastException(), "no server read timeout: " + i);
      Assert.assertNull(clientExceptionListener.getLastException(), "no client read timeout: " + i);
      Assert.assertEquals(srvMsgReader.getMsg(), "hello" + i, "message read: " + i);

      //start server read timeout after the first message
      if (0 == i) srvTimeoutHandler.start(lastSrvConnPipeline.getContext(srvTimeoutHandler));
    }

    ChannelBuffer msg2 = ChannelBuffers.wrappedBuffer("eom".getBytes(Charset.defaultCharset()));
    clientConn.getChannel().write(msg2);

    //start the client timeout handler
    clientTimeoutHandler.start(clientPipeline.getContext(clientTimeoutHandler));

    Assert.assertNull(srvExceptionListener.getLastException(), "no server read timeout");
    Assert.assertNull(clientExceptionListener.getLastException(), "no client read timeout");
    Assert.assertEquals(srvMsgReader.getMsg(), "eom", "message read");

    //stop server read timeout
    srvTimeoutHandler.stop();

    for (int  i = 0; i < 100; ++i)
    {
      String responseString = "hi there " + i;
      ChannelBuffer resp = ChannelBuffers.wrappedBuffer(responseString.getBytes(Charset.defaultCharset()));
      lastSrvConnPipeline.getChannel().write(resp);

      //wait for the response to propagate
      try {Thread.sleep(10);} catch (InterruptedException ie){};

      Assert.assertNull(srvExceptionListener.getLastException(), "no server read timeout: " + i);
      Assert.assertNull(clientExceptionListener.getLastException(), "no client read timeout: " + i);
      Assert.assertEquals(clientMsgReader.getMsg(), responseString, "response read: " + i);
    }

    ChannelBuffer resp2 = ChannelBuffers.wrappedBuffer("eom".getBytes(Charset.defaultCharset()));
    lastSrvConnPipeline.getChannel().write(resp2);

    //wait for the response to propagate
    try {Thread.sleep(10);} catch (InterruptedException ie){};

    Assert.assertNull(srvExceptionListener.getLastException(), "no server read timeout");
    Assert.assertNull(clientExceptionListener.getLastException(), "no client read timeout");
    Assert.assertEquals(clientMsgReader.getMsg(), "eom", "response read");

    //stop client read timeout
    clientTimeoutHandler.stop();
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    ExtendedReadTimeoutHandler srvTimeoutHandler =
        (ExtendedReadTimeoutHandler)lastSrvConnPipeline.get(
            ExtendedReadTimeoutHandler.class.getSimpleName());
    SimpleTestMessageReader srvMsgReader = (SimpleTestMessageReader)lastSrvConnPipeline.get(
        SimpleTestMessageReader.class.getSimpleName());
    ExceptionListenerTestHandler srvExceptionListener =
        (ExceptionListenerTestHandler)lastSrvConnPipeline.get(
            ExceptionListenerTestHandler.class.getSimpleName());

    //hook in to key places in the client pipeline
    ChannelPipeline clientPipeline = clientConn.getChannel().getPipeline();
    ExtendedReadTimeoutHandler clientTimeoutHandler =
        (ExtendedReadTimeoutHandler)clientPipeline.get(
            ExtendedReadTimeoutHandler.class.getSimpleName());
    ExceptionListenerTestHandler clientExceptionListener =
        (ExceptionListenerTestHandler)clientPipeline.get(
            ExceptionListenerTestHandler.class.getSimpleName());

    //send a request
    ChannelBuffer msg = ChannelBuffers.wrappedBuffer("hello".getBytes(Charset.defaultCharset()));
    ChannelFuture writeFuture = clientConn.getChannel().write(msg);

    //wait for the request to propagate
    try {writeFuture.await(10);} catch (InterruptedException ie){};
    Assert.assertTrue(writeFuture.isDone(), "write completed");
    Assert.assertTrue(writeFuture.isSuccess(), "write successful");

    Assert.assertNull(srvExceptionListener.getLastException(), "no server read timeout");
    Assert.assertNull(clientExceptionListener.getLastException(), "no client read timeout");
    Assert.assertEquals(srvMsgReader.getMsg(), "hello", "message read");

    //start server read timeout
    srvTimeoutHandler.start(lastSrvConnPipeline.getContext(srvTimeoutHandler));

    //Timeout
    try {Thread.sleep(300);} catch (InterruptedException ie){};

    ChannelBuffer msg2 = ChannelBuffers.wrappedBuffer("eom".getBytes(Charset.defaultCharset()));
    writeFuture = clientConn.getChannel().write(msg2);

    //wait for the respomse to propagate
    try {writeFuture.await(10);} catch (InterruptedException ie){};

    //start the client timeout handler
    clientTimeoutHandler.start(clientPipeline.getContext(clientTimeoutHandler));

    Assert.assertTrue(srvExceptionListener.getLastException() instanceof ReadTimeoutException,
                      "server read timeout");
    Assert.assertTrue(clientExceptionListener.getLastException() instanceof ClosedChannelException,
                      "failed write");
    Assert.assertTrue(! lastSrvConnPipeline.getChannel().isConnected(), "client has been disconnected");
    Assert.assertTrue(! clientPipeline.getChannel().isConnected(), "disconnected from server");

    //stop server read timeout
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    ExtendedReadTimeoutHandler srvTimeoutHandler =
        (ExtendedReadTimeoutHandler)lastSrvConnPipeline.get(
            ExtendedReadTimeoutHandler.class.getSimpleName());
    SimpleTestMessageReader srvMsgReader = (SimpleTestMessageReader)lastSrvConnPipeline.get(
        SimpleTestMessageReader.class.getSimpleName());
    ExceptionListenerTestHandler srvExceptionListener =
        (ExceptionListenerTestHandler)lastSrvConnPipeline.get(
            ExceptionListenerTestHandler.class.getSimpleName());

    //hook in to key places in the client pipeline
    ChannelPipeline clientPipeline = clientConn.getChannel().getPipeline();
    ExtendedReadTimeoutHandler clientTimeoutHandler =
        (ExtendedReadTimeoutHandler)clientPipeline.get(
            ExtendedReadTimeoutHandler.class.getSimpleName());
    ExceptionListenerTestHandler clientExceptionListener =
        (ExceptionListenerTestHandler)clientPipeline.get(
            ExceptionListenerTestHandler.class.getSimpleName());

    //send a request
    ChannelBuffer msg = ChannelBuffers.wrappedBuffer("hello".getBytes(Charset.defaultCharset()));
    clientConn.getChannel().write(msg);

    //wait for the request to propagate
    try {Thread.sleep(10);} catch (InterruptedException ie){};

    Assert.assertNull(srvExceptionListener.getLastException(), "no server read timeout");
    Assert.assertNull(clientExceptionListener.getLastException(), "no client read timeout");
    Assert.assertEquals(srvMsgReader.getMsg(), "hello", "message read");

    //start server read timeout
    srvTimeoutHandler.start(lastSrvConnPipeline.getContext(srvTimeoutHandler));

    ChannelBuffer msg2 = ChannelBuffers.wrappedBuffer("eom".getBytes(Charset.defaultCharset()));
    clientConn.getChannel().write(msg2);

    //start the client timeout handler
    clientTimeoutHandler.start(clientPipeline.getContext(clientTimeoutHandler));

    Assert.assertNull(srvExceptionListener.getLastException(), "no server read timeout");
    Assert.assertNull(clientExceptionListener.getLastException(), "no client read timeout");
    Assert.assertEquals(srvMsgReader.getMsg(), "eom", "message read");

    //stop server read timeout
    srvTimeoutHandler.stop();

    ChannelBuffer resp = ChannelBuffers.wrappedBuffer("hi there".getBytes(Charset.defaultCharset()));

    //Induce timeout
    try {Thread.sleep(500);} catch (InterruptedException ie){};

    lastSrvConnPipeline.getChannel().write(resp);

    //wait for the response to propagate
    try {Thread.sleep(10);} catch (InterruptedException ie){};

    Assert.assertTrue(srvExceptionListener.getLastException() instanceof ClosedChannelException,
                      "no server read timeout but client has disconnected");
    Assert.assertTrue(clientExceptionListener.getLastException() instanceof ReadTimeoutException,
                      "client read timeout");
    Assert.assertTrue(! lastSrvConnPipeline.getChannel().isConnected(), "client has disconnected");
    Assert.assertTrue(! clientPipeline.getChannel().isConnected(), "closed connection to server");

    //stop client read timeout
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    newPipeline.addLast(ExtendedReadTimeoutHandler.class.getSimpleName(),
                        new ExtendedReadTimeoutHandler("test", null,
                                                       100,
                                                       true));
    newPipeline.addLast(ExceptionListenerTestHandler.class.getSimpleName(),
                        new ExceptionListenerTestHandler());
    newPipeline.addLast(SimpleTestMessageReader.class.getSimpleName(),
                        new SimpleTestMessageReader());

    return newPipeline;
  }
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    newPipeline.addLast(ExtendedReadTimeoutHandler.class.getSimpleName(),
                        new ExtendedReadTimeoutHandler("test", null,
                                                       100,
                                                       true));
    newPipeline.addLast(ExceptionListenerTestHandler.class.getSimpleName(),
                        new ExceptionListenerTestHandler());
    newPipeline.addLast(SimpleTestMessageReader.class.getSimpleName(),
                        new SimpleTestMessageReader());

    return newPipeline;
  }
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    SimpleTestServerConnection srvConn = new SimpleTestServerConnection(eventFactory.getByteOrder());
    srvConn.setPipelineFactory(new SimpleServerPipelineFactory());
    boolean serverStarted = srvConn.startSynchronously(101, CONNECT_TIMEOUT_MS);
    Assert.assertTrue(serverStarted, "server started");

    final SimpleTestClientConnection clientConn = new SimpleTestClientConnection(eventFactory.getByteOrder());
    clientConn.setPipelineFactory(new SimpleClientPipelineFactoryWithSleep(200));
    boolean clientConnected = clientConn.startSynchronously(101, CONNECT_TIMEOUT_MS);
    Assert.assertTrue(clientConnected, "client connected");

    //hook in to key places in the server pipeline
    ChannelPipeline lastSrvConnPipeline = srvConn.getLastConnChannel().getPipeline();
    SimpleTestMessageReader srvMsgReader = (SimpleTestMessageReader)lastSrvConnPipeline.get(
        SimpleTestMessageReader.class.getSimpleName());
    ExceptionListenerTestHandler srvExceptionListener =
        (ExceptionListenerTestHandler)lastSrvConnPipeline.get(
            ExceptionListenerTestHandler.class.getSimpleName());

    //hook in to key places in the client pipeline
    ChannelPipeline clientPipeline = clientConn.getChannel().getPipeline();
    final ExceptionListenerTestHandler clientExceptionListener =
        (ExceptionListenerTestHandler)clientPipeline.get(
            ExceptionListenerTestHandler.class.getSimpleName());

    //System.err.println("Current thread: " + Thread.currentThread());

    //send a request in a separate thread because the client will intentionally block to simulate
    //a timeout
    final ChannelBuffer msg = ChannelBuffers.wrappedBuffer("hello".getBytes(Charset.defaultCharset()));
    Thread sendThread1 = new Thread(new Runnable()
        {
          @Override
          public void run()
          {
            //System.err.println(Thread.currentThread().toString() + ": sending message");
            clientConn.getChannel().write(msg);
          }
        }, "send msg thread");
    sendThread1.start();

    //wait for the request to propagate
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    boolean clientConnected = clientConn.startSynchronously(101, CONNECT_TIMEOUT_MS);
    Assert.assertTrue(clientConnected, "client connected");

    //hook in to key places in the server pipeline
    ChannelPipeline lastSrvConnPipeline = srvConn.getLastConnChannel().getPipeline();
    SimpleTestMessageReader srvMsgReader = (SimpleTestMessageReader)lastSrvConnPipeline.get(
        SimpleTestMessageReader.class.getSimpleName());
    ExceptionListenerTestHandler srvExceptionListener =
        (ExceptionListenerTestHandler)lastSrvConnPipeline.get(
            ExceptionListenerTestHandler.class.getSimpleName());

    //hook in to key places in the client pipeline
    ChannelPipeline clientPipeline = clientConn.getChannel().getPipeline();
    final ExceptionListenerTestHandler clientExceptionListener =
        (ExceptionListenerTestHandler)clientPipeline.get(
            ExceptionListenerTestHandler.class.getSimpleName());

    //System.err.println("Current thread: " + Thread.currentThread());

    //send a request in a separate thread because the client will intentionally block to simulate
    //a timeout
    final ChannelBuffer msg = ChannelBuffers.wrappedBuffer("hello".getBytes(Charset.defaultCharset()));
    Thread sendThread1 = new Thread(new Runnable()
        {
          @Override
          public void run()
          {
            //System.err.println(Thread.currentThread().toString() + ": sending message");
            clientConn.getChannel().write(msg);
          }
        }, "send msg thread");
    sendThread1.start();

    //wait for the request to propagate
    //System.err.println(Thread.currentThread().toString() + ": waiting for 10");
    try {Thread.sleep(50);} catch (InterruptedException ie){};
    //System.err.println(Thread.currentThread().toString() + ": done Waiting for 10");

    //make sure the server has not received the message
    Assert.assertNull(srvExceptionListener.getLastException(), "no server errors");
    Assert.assertNull(clientExceptionListener.getLastException(), "no errors yet");
    Assert.assertTrue(!"hello".equals(srvMsgReader.getMsg()), "message not read yet");

    //System.err.println("Waiting for 300");
    //wait for the write timeout
    try {Thread.sleep(300);} catch (InterruptedException ie){};
    //System.err.println("Done Waiting for 300");
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  {
    TestUtil.setupLoggingWithTimestampedFile(true, "/tmp/TestGenericHttpResponseHandler_",
                                             ".log", Level.INFO);
    InternalLoggerFactory.setDefaultFactory(new Log4JLoggerFactory());

    _dummyServer = new SimpleTestServerConnection(ByteOrder.BIG_ENDIAN,
                                                  SimpleTestServerConnection.ServerType.NIO);
    _dummyServer.setPipelineFactory(new ChannelPipelineFactory() {
      @Override
      public ChannelPipeline getPipeline() throws Exception {
        return Channels.pipeline(new HttpServerCodec());
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  @Test
  public void testClientSimpleRequestResponse()
  {
    DbusEventFactory eventFactory = new DbusEventV1Factory();

    SimpleTestServerConnection srvConn = new SimpleTestServerConnection(eventFactory.getByteOrder());
    srvConn.setPipelineFactory(new SimpleServerPipelineFactory());
    boolean serverStarted = srvConn.startSynchronously(101, CONNECT_TIMEOUT_MS);
    Assert.assertTrue(serverStarted, "server started");

    final SimpleTestClientConnection clientConn = new SimpleTestClientConnection(eventFactory.getByteOrder());
    clientConn.setPipelineFactory(new SimpleClientPipelineFactoryWithSleep(200));
    boolean clientConnected = clientConn.startSynchronously(101, CONNECT_TIMEOUT_MS);
    Assert.assertTrue(clientConnected, "client connected");

    //hook in to key places in the server pipeline
    ChannelPipeline lastSrvConnPipeline = srvConn.getLastConnChannel().getPipeline();
    SimpleTestMessageReader srvMsgReader = (SimpleTestMessageReader)lastSrvConnPipeline.get(
        SimpleTestMessageReader.class.getSimpleName());
    ExceptionListenerTestHandler srvExceptionListener =
        (ExceptionListenerTestHandler)lastSrvConnPipeline.get(
            ExceptionListenerTestHandler.class.getSimpleName());
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