Examples with DatabusException com.linkedin.databus2.core.DatabusException used on opensource projects

Example 76 with DatabusException

use of com.linkedin.databus2.core.DatabusException in project databus by linkedin.

the class TestHttpResponseProcessor method testHappyPathNoChunking.

@Test
public void testHappyPathNoChunking() throws DatabusException {
    Logger log = Logger.getLogger("GenericHttpResponseHandler.testHappyPathNoChunking");
    final GenericHttpResponseHandler responseHandler = new GenericHttpResponseHandler(KeepAliveType.KEEP_ALIVE);
    responseHandler.getLog().setLevel(_logLevel);
    TestHttpResponseProcessor respProcessor = new TestHttpResponseProcessor(log);
    TestConnectListener connectListener = new TestConnectListener(log);
    TestSendRequestListener requestListener = new TestSendRequestListener(log);
    TestCloseListener closeListener = new TestCloseListener(log);
    responseHandler.setConnectionListener(connectListener);
    Channel channel = createClientBootstrap(responseHandler);
    SocketAddress clientAddr = channel.getLocalAddress();
    try {
        setListeners(responseHandler, respProcessor, requestListener, closeListener);
        channel.write(new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "/test"));
        //It seems that there is a race condition between the writeFuture succeeding
        //and the writeComplete message getting to the handler. Make sure that the
        //writeComplete has got to the handler before we do anything else with
        //the channel.
        final GenericHttpResponseHandler handler = getResponseHandler(channel);
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                return handler._messageState.hasSentRequest();
            }
        }, "request sent", 1000, log);
        HttpResponse resp = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
        resp.setContent(null);
        resp.setHeader(HttpHeaders.Names.CONTENT_LENGTH, 0);
        sendServerResponse(clientAddr, resp, 1000);
        final List<String> callbacks = respProcessor.getCallbacks();
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                return 2 == callbacks.size();
            }
        }, "waiting for response processed", 1000, null);
        final List<String> connectCallbacks = connectListener.getCallbacks();
        final List<String> requestCallbacks = requestListener.getCallbacks();
        final List<String> closeCallbacks = closeListener.getCallbacks();
        stateSanityCheck(connectCallbacks, requestCallbacks, callbacks, closeCallbacks);
        Assert.assertEquals(callbacks.get(0), "startResponse");
        Assert.assertEquals(callbacks.get(1), "finishResponse");
    } finally {
        channel.close();
    }
}

Example 77 with DatabusException

use of com.linkedin.databus2.core.DatabusException in project databus by linkedin.

the class TestHttpResponseProcessor method testHappyPathChunking.

@Test
public void testHappyPathChunking() throws DatabusException {
    Logger log = Logger.getLogger("GenericHttpResponseHandler.testHappyPathChunking");
    final GenericHttpResponseHandler responseHandler = new GenericHttpResponseHandler(KeepAliveType.KEEP_ALIVE);
    responseHandler.getLog().setLevel(_logLevel);
    TestHttpResponseProcessor respProcessor = new TestHttpResponseProcessor(log);
    TestConnectListener connectListener = new TestConnectListener(log);
    TestSendRequestListener requestListener = new TestSendRequestListener(log);
    TestCloseListener closeListener = new TestCloseListener(log);
    responseHandler.setConnectionListener(connectListener);
    Channel channel = createClientBootstrap(responseHandler);
    SocketAddress clientAddr = channel.getLocalAddress();
    try {
        setListeners(responseHandler, respProcessor, requestListener, closeListener);
        channel.write(new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "/test"));
        //It seems that there is a race condition between the writeFuture succeeding
        //and the writeComplete message getting to the handler. Make sure that the
        //writeComplete has got to the handler before we do anything else with
        //the channel.
        final GenericHttpResponseHandler handler = getResponseHandler(channel);
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                return handler._messageState.hasSentRequest();
            }
        }, "request sent", 1000, log);
        HttpResponse resp = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
        resp.setHeader(HttpHeaders.Names.TRANSFER_ENCODING, HttpHeaders.Values.CHUNKED);
        sendServerResponse(clientAddr, resp, 1000);
        HttpChunk chunk1 = new DefaultHttpChunk(ChannelBuffers.wrappedBuffer("chunk1".getBytes(Charset.defaultCharset())));
        sendServerResponse(clientAddr, chunk1, 1000);
        HttpChunk chunk2 = new DefaultHttpChunk(ChannelBuffers.wrappedBuffer("chunk2".getBytes(Charset.defaultCharset())));
        sendServerResponse(clientAddr, chunk2, 1000);
        sendServerResponse(clientAddr, new DefaultHttpChunkTrailer(), 1000);
        final List<String> callbacks = respProcessor.getCallbacks();
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                return callbacks.size() == 5;
            }
        }, "waiting for response processed", 1000, null);
        final List<String> connectCallbacks = connectListener.getCallbacks();
        final List<String> requestCallbacks = requestListener.getCallbacks();
        final List<String> closeCallbacks = closeListener.getCallbacks();
        stateSanityCheck(connectCallbacks, requestCallbacks, callbacks, closeCallbacks);
        Assert.assertEquals(callbacks.get(0), "startResponse");
        Assert.assertEquals(callbacks.get(1), "addChunk");
        Assert.assertEquals(callbacks.get(2), "addChunk");
        Assert.assertEquals(callbacks.get(3), "addTrailer");
        Assert.assertEquals(callbacks.get(4), "finishResponse");
        //make sure that no new callbacks have showed up
        Assert.assertEquals(callbacks.size(), 5);
    } finally {
        channel.close();
    }
}

Example 78 with DatabusException

use of com.linkedin.databus2.core.DatabusException in project databus by linkedin.

the class TestHttpResponseProcessor method testErrorServerResponseChunking.

@Test
public void testErrorServerResponseChunking() throws DatabusException {
    Logger log = Logger.getLogger("GenericHttpResponseHandler.testErrorServerResponseChunking");
    final GenericHttpResponseHandler responseHandler = new GenericHttpResponseHandler(KeepAliveType.KEEP_ALIVE);
    responseHandler.getLog().setLevel(_logLevel);
    TestHttpResponseProcessor respProcessor = new TestHttpResponseProcessor(log);
    TestConnectListener connectListener = new TestConnectListener(log);
    TestSendRequestListener requestListener = new TestSendRequestListener(log);
    TestCloseListener closeListener = new TestCloseListener(log);
    responseHandler.setConnectionListener(connectListener);
    Channel channel = createClientBootstrap(responseHandler);
    SocketAddress clientAddr = channel.getLocalAddress();
    try {
        setListeners(responseHandler, respProcessor, requestListener, closeListener);
        channel.write(new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "/test"));
        //It seems that there is a race condition between the writeFuture succeeding
        //and the writeComplete message getting to the handler. Make sure that the
        //writeComplete has got to the handler before we do anything else with
        //the channel.
        final GenericHttpResponseHandler handler = getResponseHandler(channel);
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                return handler._messageState.hasSentRequest();
            }
        }, "request sent", 1000, log);
        HttpResponse resp = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.SERVICE_UNAVAILABLE);
        resp.setHeader(HttpHeaders.Names.TRANSFER_ENCODING, HttpHeaders.Values.CHUNKED);
        sendServerResponse(clientAddr, resp, 2000);
        HttpChunk chunk1 = new DefaultHttpChunk(ChannelBuffers.wrappedBuffer("chunk1".getBytes(Charset.defaultCharset())));
        sendServerResponse(clientAddr, chunk1, 1000);
        sendServerResponse(clientAddr, new DefaultHttpChunkTrailer(), 1000);
        final List<String> callbacks = respProcessor.getCallbacks();
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                return 4 == callbacks.size();
            }
        }, "waiting for response processed", 1000, null);
        final List<String> connectCallbacks = connectListener.getCallbacks();
        final List<String> requestCallbacks = requestListener.getCallbacks();
        final List<String> closeCallbacks = closeListener.getCallbacks();
        stateSanityCheck(connectCallbacks, requestCallbacks, callbacks, closeCallbacks);
        Assert.assertEquals(callbacks.get(0), "startResponse");
        Assert.assertEquals(callbacks.get(1), "addChunk");
        Assert.assertEquals(callbacks.get(2), "addTrailer");
        Assert.assertEquals(callbacks.get(3), "finishResponse");
        TestUtil.sleep(500);
        //make sure that no new callbacks have showed up
        Assert.assertEquals(callbacks.size(), 4);
    } finally {
        channel.close();
    }
}

Example 79 with DatabusException

use of com.linkedin.databus2.core.DatabusException in project databus by linkedin.

the class TestHttpResponseProcessor method testEarlyServerCloseChunking.

@Test
public void testEarlyServerCloseChunking() throws DatabusException {
    Logger log = Logger.getLogger("GenericHttpResponseHandler.testEarlyServerCloseChunking");
    final GenericHttpResponseHandler responseHandler = new GenericHttpResponseHandler(KeepAliveType.KEEP_ALIVE);
    responseHandler.getLog().setLevel(_logLevel);
    TestHttpResponseProcessor respProcessor = new TestHttpResponseProcessor(log);
    TestConnectListener connectListener = new TestConnectListener(log);
    TestSendRequestListener requestListener = new TestSendRequestListener(log);
    TestCloseListener closeListener = new TestCloseListener(log);
    responseHandler.setConnectionListener(connectListener);
    Channel channel = createClientBootstrap(responseHandler);
    Assert.assertTrue(channel.isConnected());
    final SocketAddress clientAddr = channel.getLocalAddress();
    try {
        setListeners(responseHandler, respProcessor, requestListener, closeListener);
        channel.write(new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "/test"));
        //It seems that there is a race condition between the writeFuture succeeding
        //and the writeComplete message getting to the handler. Make sure that the
        //writeComplete has got to the handler before we do anything else with
        //the channel.
        final GenericHttpResponseHandler handler = getResponseHandler(channel);
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                return handler._messageState.hasSentRequest();
            }
        }, "request sent", 1000, log);
        HttpResponse resp = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
        resp.setHeader(HttpHeaders.Names.TRANSFER_ENCODING, HttpHeaders.Values.CHUNKED);
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                return null != _dummyServer.getChildChannel(clientAddr);
            }
        }, "make sure we have all tracking populated for client connection", 1000, log);
        sendServerResponse(clientAddr, resp, 1000);
        HttpChunk chunk1 = new DefaultHttpChunk(ChannelBuffers.wrappedBuffer("chunk1".getBytes(Charset.defaultCharset())));
        sendServerResponse(clientAddr, chunk1, 1000);
        TestUtil.sleep(200);
        sendServerClose(clientAddr, -1);
        final List<String> callbacks = respProcessor.getCallbacks();
        final List<String> closeCallbacks = closeListener.getCallbacks();
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                return 3 == callbacks.size() && 1 == closeCallbacks.size();
            }
        }, "waiting for response processed", 1000, null);
        final List<String> connectCallbacks = connectListener.getCallbacks();
        final List<String> requestCallbacks = requestListener.getCallbacks();
        stateSanityCheck(connectCallbacks, requestCallbacks, callbacks, closeCallbacks);
        Assert.assertEquals(callbacks.get(0), "startResponse");
        Assert.assertEquals(callbacks.get(1), "addChunk");
        // we get Exception, no ChannelClose
        Assert.assertTrue(callbacks.get(2).startsWith("channelException"));
        //make sure that no new callbacks have showed up
        Assert.assertEquals(callbacks.size(), 3);
    } finally {
        channel.close();
    }
}

Example 80 with DatabusException

use of com.linkedin.databus2.core.DatabusException in project databus by linkedin.

the class TestHttpResponseProcessor method testConnectFail.

@Test
public void testConnectFail() throws DatabusException {
    Logger log = Logger.getLogger("GenericHttpResponseHandler.testConnectFail");
    TestHttpResponseProcessor respProcessor = new TestHttpResponseProcessor(log);
    TestConnectListener connectListener = new TestConnectListener(log);
    TestSendRequestListener requestListener = new TestSendRequestListener(log);
    TestCloseListener closeListener = new TestCloseListener(log);
    //Need this call to set respProcessor without triggering erroneous check
    final GenericHttpResponseHandler responseHandler = new GenericHttpResponseHandler(respProcessor, KeepAliveType.KEEP_ALIVE);
    responseHandler.setRequestListener(requestListener);
    responseHandler.setConnectionListener(connectListener);
    responseHandler.setCloseListener(closeListener);
    //use port 0 to generate connect fail
    ChannelFuture channelFuture = createChannelFuture(responseHandler, 0);
    Channel channel = channelFuture.getChannel();
    try {
        channel.write(new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "/test"));
        final List<String> respCallbacks = respProcessor.getCallbacks();
        final List<String> connectCallbacks = connectListener.getCallbacks();
        final List<String> requestCallbacks = requestListener.getCallbacks();
        final List<String> closeChannelCallbacks = closeListener.getCallbacks();
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                return 1 == closeChannelCallbacks.size();
            }
        }, "waiting for close channel callback", 1000, null);
        //make sure that no new callbacks have showed up
        stateSanityCheck(connectCallbacks, requestCallbacks, respCallbacks, closeChannelCallbacks);
        Assert.assertEquals(connectCallbacks.size(), 1);
        Assert.assertEquals(connectCallbacks.get(0), "onConnectFailure");
        Assert.assertEquals(closeChannelCallbacks.size(), 1);
        Assert.assertEquals(closeChannelCallbacks.get(0), "onChannelClose");
    } finally {
        channel.close();
    }
}