Examples with HttpNettyClient com.linkedin.r2.transport.http.client.rest.HttpNettyClient used on opensource projects

Example 16 with HttpNettyClient

use of com.linkedin.r2.transport.http.client.rest.HttpNettyClient in project rest.li by linkedin.

the class TestHttpNettyClient method testReceiveBadHeader.

@Test
public void testReceiveBadHeader() throws InterruptedException, IOException {
    TestServer testServer = new TestServer();
    HttpNettyClient client = new HttpClientBuilder(_eventLoop, _scheduler).setRequestTimeout(10000).setIdleTimeout(10000).setShutdownTimeout(500).buildRestClient();
    RestRequest r = new RestRequestBuilder(testServer.getBadHeaderURI()).build();
    FutureCallback<RestResponse> cb = new FutureCallback<>();
    TransportCallback<RestResponse> callback = new TransportCallbackAdapter<>(cb);
    client.restRequest(r, new RequestContext(), new HashMap<>(), callback);
    try {
        cb.get(30, TimeUnit.SECONDS);
        Assert.fail("Get was supposed to fail");
    } catch (TimeoutException e) {
        Assert.fail("Unexpected TimeoutException, should have been ExecutionException", e);
    } catch (ExecutionException e) {
        verifyCauseChain(e, RemoteInvocationException.class, IllegalArgumentException.class);
    }
    testServer.shutdown();
}

Example 17 with HttpNettyClient

use of com.linkedin.r2.transport.http.client.rest.HttpNettyClient 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<>();
        TransportCallback<StreamResponse> callback = new TransportCallbackAdapter<>(cb);
        client.streamRequest(Messages.toStreamRequest(r), new RequestContext(), new HashMap<>(), callback);
        FutureCallback<None> shutdownCallback = new FutureCallback<>();
        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(60, 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 18 with HttpNettyClient

use of com.linkedin.r2.transport.http.client.rest.HttpNettyClient in project rest.li by linkedin.

the class TestHttpNettyClient method testNoResponseTimeout.

@Test
public void testNoResponseTimeout() throws InterruptedException, IOException {
    TestServer testServer = new TestServer();
    HttpNettyClient client = new HttpClientBuilder(_eventLoop, _scheduler).setRequestTimeout(500).setIdleTimeout(10000).setShutdownTimeout(500).buildRestClient();
    RestRequest r = new RestRequestBuilder(testServer.getNoResponseURI()).build();
    FutureCallback<RestResponse> cb = new FutureCallback<>();
    TransportCallback<RestResponse> callback = new TransportCallbackAdapter<>(cb);
    client.restRequest(r, new RequestContext(), new HashMap<>(), callback);
    try {
        // 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("Unexpected TimeoutException, should have been ExecutionException", e);
    } catch (ExecutionException e) {
        verifyCauseChain(e, RemoteInvocationException.class, TimeoutException.class);
    }
    testServer.shutdown();
}

Example 19 with HttpNettyClient

use of com.linkedin.r2.transport.http.client.rest.HttpNettyClient in project rest.li by linkedin.

the class TestHttpNettyClient method testBadAddress.

@Test
public void testBadAddress() throws InterruptedException, IOException, TimeoutException {
    HttpNettyClient client = new HttpClientBuilder(_eventLoop, _scheduler).setRequestTimeout(30000).setIdleTimeout(10000).setShutdownTimeout(500).buildRestClient();
    RestRequest r = new RestRequestBuilder(URI.create("http://this.host.does.not.exist.linkedin.com")).build();
    FutureCallback<RestResponse> cb = new FutureCallback<>();
    TransportCallback<RestResponse> callback = new TransportCallbackAdapter<>(cb);
    client.restRequest(r, new RequestContext(), new HashMap<>(), callback);
    try {
        cb.get(30, TimeUnit.SECONDS);
        Assert.fail("Get was supposed to fail");
    } catch (ExecutionException e) {
        verifyCauseChain(e, RemoteInvocationException.class, UnknownHostException.class);
    }
}

Example 20 with HttpNettyClient

use of com.linkedin.r2.transport.http.client.rest.HttpNettyClient in project rest.li by linkedin.

the class TestHttpNettyClient method testFailBackoff.

@Test
public void testFailBackoff() throws Exception {
    final int WARM_UP = 10;
    final int N = 5;
    final int MAX_RATE_LIMITING_PERIOD = 500;
    final CountDownLatch warmUpLatch = new CountDownLatch(WARM_UP);
    final CountDownLatch latch = new CountDownLatch(N);
    final AtomicReference<Boolean> isShutdown = new AtomicReference<>(false);
    AsyncPool<Channel> testPool = new AsyncPoolImpl<>("test pool", new AsyncPool.Lifecycle<Channel>() {

        @Override
        public void create(Callback<Channel> callback) {
            if (warmUpLatch.getCount() > 0) {
                warmUpLatch.countDown();
            } else {
                latch.countDown();
            }
            callback.onError(new Throwable("Oops..."));
        }

        @Override
        public boolean validateGet(Channel obj) {
            return false;
        }

        @Override
        public boolean validatePut(Channel obj) {
            return false;
        }

        @Override
        public void destroy(Channel obj, boolean error, Callback<Channel> callback) {
        }

        @Override
        public PoolStats.LifecycleStats getStats() {
            return null;
        }
    }, 200, 30000, _scheduler, Integer.MAX_VALUE, AsyncPoolImpl.Strategy.MRU, 0, new ExponentialBackOffRateLimiter(0, MAX_RATE_LIMITING_PERIOD, Math.max(10, MAX_RATE_LIMITING_PERIOD / 32), _scheduler), new SettableClock(), new LongTracking());
    HttpNettyClient client = new HttpNettyClient(address -> testPool, _scheduler, MAX_RATE_LIMITING_PERIOD * 2, 500);
    final RestRequest r = new RestRequestBuilder(URI.create("http://localhost:8080/")).setMethod("GET").build();
    final ExecutorService executor = Executors.newSingleThreadExecutor();
    executor.execute(() -> {
        while (!isShutdown.get()) {
            try {
                FutureCallback<RestResponse> callback = new FutureCallback<>();
                client.restRequest(r, new RequestContext(), new HashMap<>(), new TransportCallbackAdapter<>(callback));
                callback.get();
            } catch (Exception e) {
            // ignore
            }
        }
    });
    // First ensure a bunch fail to get the rate limiting going
    warmUpLatch.await(120, TimeUnit.SECONDS);
    // Now we should be rate limited
    long start = System.currentTimeMillis();
    System.err.println("Starting at " + start);
    long lowTolerance = N * MAX_RATE_LIMITING_PERIOD * 4 / 5;
    long highTolerance = N * MAX_RATE_LIMITING_PERIOD * 5 / 4;
    Assert.assertTrue(latch.await(highTolerance, TimeUnit.MILLISECONDS), "Should have finished within " + highTolerance + "ms");
    long elapsed = System.currentTimeMillis() - start;
    Assert.assertTrue(elapsed > lowTolerance, "Should have finished after " + lowTolerance + "ms (took " + elapsed + ")");
    // shutdown everything
    isShutdown.set(true);
    executor.shutdown();
}