Examples with FutureCallback com.linkedin.common.callback.FutureCallback used on opensource projects

Example 86 with FutureCallback

use of com.linkedin.common.callback.FutureCallback in project rest.li by linkedin.

the class TestHttpNettyStreamClient method testResponseSize.

public void testResponseSize(AbstractNettyStreamClient client, int responseSize, int expectedResult) throws Exception {
    Server server = new HttpServerBuilder().responseSize(responseSize).build();
    try {
        server.start();
        RestRequest r = new RestRequestBuilder(new URI(URL)).build();
        FutureCallback<StreamResponse> cb = new FutureCallback<StreamResponse>();
        TransportCallback<StreamResponse> callback = new TransportCallbackAdapter<StreamResponse>(cb);
        client.streamRequest(Messages.toStreamRequest(r), new RequestContext(), new HashMap<String, String>(), callback);
        StreamResponse response = cb.get(30, TimeUnit.SECONDS);
        final CountDownLatch latch = new CountDownLatch(1);
        final AtomicReference<Throwable> error = new AtomicReference<Throwable>();
        response.getEntityStream().setReader(new Reader() {

            @Override
            public void onInit(ReadHandle rh) {
                rh.request(Integer.MAX_VALUE);
            }

            @Override
            public void onDataAvailable(ByteString data) {
            }

            @Override
            public void onDone() {
                latch.countDown();
            }

            @Override
            public void onError(Throwable e) {
                error.set(e);
                latch.countDown();
            }
        });
        if (!latch.await(30, TimeUnit.SECONDS)) {
            Assert.fail("Timeout waiting for response");
        }
        if (expectedResult == TOO_LARGE) {
            Assert.assertNotNull(error.get(), "Max response size exceeded, expected exception. ");
            verifyCauseChain(error.get(), TooLongFrameException.class);
        }
        if (expectedResult == RESPONSE_OK) {
            Assert.assertNull(error.get(), "Unexpected Exception: response size <= max size");
        }
    } catch (ExecutionException e) {
        if (expectedResult == RESPONSE_OK) {
            Assert.fail("Unexpected ExecutionException, response was <= max response size.", e);
        }
        verifyCauseChain(e, RemoteInvocationException.class, TooLongFrameException.class);
    } finally {
        server.stop();
    }
}

Example 87 with FutureCallback

use of com.linkedin.common.callback.FutureCallback in project rest.li by linkedin.

the class TestHttpNettyStreamClient method testShutdownRequestOutstanding.

private void testShutdownRequestOutstanding(AbstractNettyStreamClient client, Class<?>... causeChain) throws Exception {
    CountDownLatch responseLatch = new CountDownLatch(1);
    Server server = new HttpServerBuilder().responseLatch(responseLatch).build();
    try {
        server.start();
        RestRequest r = new RestRequestBuilder(new URI(URL)).build();
        FutureCallback<StreamResponse> cb = new FutureCallback<StreamResponse>();
        TransportCallback<StreamResponse> callback = new TransportCallbackAdapter<StreamResponse>(cb);
        client.streamRequest(Messages.toStreamRequest(r), new RequestContext(), new HashMap<String, String>(), callback);
        FutureCallback<None> shutdownCallback = new FutureCallback<None>();
        client.shutdown(shutdownCallback);
        shutdownCallback.get(30, TimeUnit.SECONDS);
        // This timeout needs to be significantly larger than the getTimeout of the netty client;
        // we're testing that the client will generate its own timeout
        cb.get(30, TimeUnit.SECONDS);
        Assert.fail("Get was supposed to time out");
    } catch (TimeoutException e) {
        // TimeoutException means the timeout for Future.get() elapsed and nothing happened.
        // Instead, we are expecting our callback to be invoked before the future timeout
        // with a timeout generated by the HttpNettyClient.
        Assert.fail("Get timed out, should have thrown ExecutionException", e);
    } catch (ExecutionException e) {
        verifyCauseChain(e, causeChain);
    } finally {
        responseLatch.countDown();
        server.stop();
    }
}

Example 88 with FutureCallback

use of com.linkedin.common.callback.FutureCallback in project rest.li by linkedin.

the class TestHttpNettyStreamClient method testBadAddress.

@Test(dataProvider = "badAddressClients")
public void testBadAddress(AbstractNettyStreamClient client) throws InterruptedException, IOException, TimeoutException {
    RestRequest r = new RestRequestBuilder(URI.create("http://this.host.does.not.exist.linkedin.com")).build();
    FutureCallback<StreamResponse> cb = new FutureCallback<StreamResponse>();
    TransportCallback<StreamResponse> callback = new TransportCallbackAdapter<StreamResponse>(cb);
    client.streamRequest(Messages.toStreamRequest(r), new RequestContext(), new HashMap<String, String>(), callback);
    try {
        cb.get(30, TimeUnit.SECONDS);
        Assert.fail("Get was supposed to fail");
    } catch (ExecutionException e) {
        verifyCauseChain(e, RemoteInvocationException.class, UnknownHostException.class);
    }
}

Example 89 with FutureCallback

use of com.linkedin.common.callback.FutureCallback in project rest.li by linkedin.

the class TestHttpNettyStreamClient method testShutdownStuckInPool.

@Test
public void testShutdownStuckInPool() throws InterruptedException, ExecutionException, TimeoutException {
    // Test that shutdown works when the outstanding request is stuck in the pool waiting for a channel
    HttpNettyStreamClient client = new HttpNettyStreamClient(new NoCreations(_scheduler), _scheduler, 60000, 1, 1024 * 1024 * 2);
    RestRequest r = new RestRequestBuilder(URI.create("http://some.host/")).build();
    FutureCallback<StreamResponse> futureCallback = new FutureCallback<StreamResponse>();
    client.streamRequest(Messages.toStreamRequest(r), new RequestContext(), new HashMap<String, String>(), new TransportCallbackAdapter<StreamResponse>(futureCallback));
    FutureCallback<None> shutdownCallback = new FutureCallback<None>();
    client.shutdown(shutdownCallback);
    shutdownCallback.get(30, TimeUnit.SECONDS);
    try {
        futureCallback.get(30, TimeUnit.SECONDS);
        Assert.fail("get should have thrown exception");
    } catch (ExecutionException e) {
        verifyCauseChain(e, RemoteInvocationException.class, TimeoutException.class);
    }
}

Example 90 with FutureCallback

use of com.linkedin.common.callback.FutureCallback in project rest.li by linkedin.

the class TestHttpNettyStreamClient method testStreamRequests.

/**
   * Tests implementations of {@link AbstractNettyStreamClient} with different request dimensions.
   *
   * @param client Client implementation of {@link AbstractNettyStreamClient}
   * @param method HTTP request method
   * @param requestSize Request content size
   * @param responseSize Response content size
   * @param isFullRequest Whether to buffer a full request before stream
   * @throws Exception
   */
@Test(dataProvider = "requestResponseParameters")
public void testStreamRequests(AbstractNettyStreamClient client, String method, int requestSize, int responseSize, boolean isFullRequest) throws Exception {
    AtomicInteger succeeded = new AtomicInteger(0);
    AtomicInteger failed = new AtomicInteger(0);
    Server server = new HttpServerBuilder().responseSize(responseSize).build();
    try {
        server.start();
        CountDownLatch latch = new CountDownLatch(REQUEST_COUNT);
        for (int i = 0; i < REQUEST_COUNT; i++) {
            StreamRequest request = new StreamRequestBuilder(new URI(URL)).setMethod(method).setHeader(HttpHeaderNames.HOST.toString(), HOST_NAME.toString()).build(EntityStreams.newEntityStream(new ByteStringWriter(ByteString.copy(new byte[requestSize]))));
            RequestContext context = new RequestContext();
            context.putLocalAttr(R2Constants.IS_FULL_REQUEST, isFullRequest);
            client.streamRequest(request, context, new HashMap<>(), new TransportCallbackAdapter<>(new Callback<StreamResponse>() {

                @Override
                public void onSuccess(StreamResponse response) {
                    response.getEntityStream().setReader(new Reader() {

                        ReadHandle _rh;

                        int _consumed = 0;

                        @Override
                        public void onDataAvailable(ByteString data) {
                            _consumed += data.length();
                            _rh.request(1);
                        }

                        @Override
                        public void onDone() {
                            succeeded.incrementAndGet();
                            latch.countDown();
                        }

                        @Override
                        public void onError(Throwable e) {
                            failed.incrementAndGet();
                            latch.countDown();
                        }

                        @Override
                        public void onInit(ReadHandle rh) {
                            _rh = rh;
                            _rh.request(1);
                        }
                    });
                }

                @Override
                public void onError(Throwable e) {
                    failed.incrementAndGet();
                    latch.countDown();
                }
            }));
        }
        if (!latch.await(30, TimeUnit.SECONDS)) {
            Assert.fail("Timeout waiting for responses. " + succeeded + " requests succeeded and " + failed + " requests failed out of total " + REQUEST_COUNT + " requests");
        }
        Assert.assertEquals(latch.getCount(), 0);
        Assert.assertEquals(failed.get(), 0);
        Assert.assertEquals(succeeded.get(), REQUEST_COUNT);
        FutureCallback<None> shutdownCallback = new FutureCallback<>();
        client.shutdown(shutdownCallback);
        shutdownCallback.get(30, TimeUnit.SECONDS);
    } finally {
        server.stop();
    }
}