Package com.linkedin.r2.transport.common.bridge.client

Examples of com.linkedin.r2.transport.common.bridge.client.TransportClientAdapter

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    HttpClientFactory factory = new HttpClientFactory(FilterChains.empty(), channelFactory, true, scheduler, true);

    List<Client> clients = new ArrayList<Client>();
    for (int i = 0; i < 100; i++)
    {
      clients.add(new TransportClientAdapter(factory.getClient(Collections.<String, String>emptyMap())));
    }

    for (Client c : clients)
    {
      RestRequest r = new RestRequestBuilder(_testServer.getRequestURI()).build();
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    HttpClientFactory factory = new HttpClientFactory(FilterChains.empty(), channelFactory, true, scheduler, true);

    List<Client> clients = new ArrayList<Client>();
    for (int i = 0; i < 100; i++)
    {
      clients.add(new TransportClientAdapter(factory.getClient(Collections.<String, String>emptyMap())));
    }

    for (Client c : clients)
    {
      RestRequest r = new RestRequestBuilder(_testServer.getRequestURI()).build();
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    ExecutorService worker = Executors.newCachedThreadPool();
    ScheduledExecutorService scheduler = Executors.newSingleThreadScheduledExecutor();
    ClientSocketChannelFactory channelFactory = new NioClientSocketChannelFactory(boss, worker);
    HttpClientFactory factory = new HttpClientFactory(FilterChains.empty(), channelFactory, true, scheduler, true);

    Client client = new TransportClientAdapter(factory.getClient(
            Collections.<String, Object>emptyMap()));

    Future<RestResponse> responseFuture = client.restRequest(new RestRequestBuilder(_testServer.resetResponseLatch(1)).build());


    FutureCallback<None> factoryShutdown = new FutureCallback<None>();
    factory.shutdown(factoryShutdown);

    FutureCallback<None> clientShutdown = new FutureCallback<None>();
    client.shutdown(clientShutdown);

    // Client and factory shutdowns are now pending.  When we release the latch, the response will
    // be returned, which causes the shutdowns to complete on the Netty IO thread that received the
    // response.
    _testServer.releaseResponseLatch();
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    // Create an HttpClient and wrap it in an abstraction layer
    final HttpClientFactory http = new HttpClientFactory(FilterChains.create(
      new ClientCompressionFilter(EncodingType.IDENTITY, new EncodingType[]{ EncodingType.SNAPPY}, Collections.singletonList("*"))
    ));

    final Client r2Client = new TransportClientAdapter(
                                      http.getClient(Collections.<String, String>emptyMap()));

    // Create a RestClient to talk to localhost:8080
    RestClient restClient = new RestClient(r2Client, "http://localhost:8080/");

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  {
    // create HTTP Netty client with default properties
    final HttpClientFactory http = new HttpClientFactory();
    final TransportClient transportClient = http.getClient(Collections.<String, String>emptyMap());
    // create an abstraction layer over the actual client, which supports both REST and RPC
    final Client r2Client = new TransportClientAdapter(transportClient);
    // REST client wrapper that simplifies the interface
    final StringBuilder serverUrlBuilder = new StringBuilder("http://").append(SERVER_HOSTNAME).append(":").append(SERVER_PORT).append("/");
    final RestClient restClient = new RestClient(r2Client, serverUrlBuilder.toString());
    final RestLiExampleBasicClient photoClient = new RestLiExampleBasicClient(restClient);
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   */
  public static void main(String[] args) throws Exception
  {
    // Create an HttpClient and wrap it in an abstraction layer
    final HttpClientFactory http = new HttpClientFactory();
    final Client r2Client = new TransportClientAdapter(
                                      http.getClient(Collections.<String, String>emptyMap()));

    // Create a RestClient to talk to localhost:8080
    RestClient restClient = new RestClient(r2Client, "http://localhost:8080/");

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  @Test
  public void testClient() throws Exception
  {
    final TransportClient transportClient = _clientFactory.getClient(new HashMap<String, String>());
    final Client client = new TransportClientAdapter(transportClient);

    RestRequestBuilder rb = new RestRequestBuilder(_testServer.getRequestURI());
    rb.setMethod("GET");
    RestRequest request = rb.build();
    Future<RestResponse> f = client.restRequest(request);

    // This will block
    RestResponse response = f.get();
    final ByteString entity = response.getEntity();
    if (entity != null) {
      System.out.println(entity.asString("UTF-8"));
    } else {
      System.out.println("NOTHING!");
    }

    assertEquals(response.getStatus(), 200);

    final FutureCallback<None> callback = new FutureCallback<None>();
    client.shutdown(callback);
    callback.get();
  }
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  {
    final Integer REQUEST_TIMEOUT = 1000;
    final TransportClient transportClient =
        _clientFactory.getClient(Collections.singletonMap(HttpClientFactory.HTTP_REQUEST_TIMEOUT,
                                                          Integer.toString(REQUEST_TIMEOUT)));
    final Client client = new TransportClientAdapter(transportClient);

    RestRequestBuilder rb = new RestRequestBuilder(_testServer.getRequestURI());
    rb.setMethod("GET");
    RestRequest request = rb.build();

    final RequestContext context = new RequestContext();
    Future<RestResponse> f = client.restRequest(request, context);
    Future<RestResponse> f2 = client.restRequest(request, context);

    // This will block
    RestResponse response = f.get(REQUEST_TIMEOUT, TimeUnit.MILLISECONDS);
    assertEquals(response.getStatus(), 200);

    response = f2.get(REQUEST_TIMEOUT, TimeUnit.MILLISECONDS);
    assertEquals(response.getStatus(), 200);

    final Integer iterations = 5;
    final CountDownLatch latch = new CountDownLatch(iterations);
    //Test that sending multiple requests with the same request context works correctly, without
    //modifying the original request context.
    for (int i=0; i<iterations; ++i)
    {
      client.restRequest(request, context, new Callback<RestResponse>()
      {
        @Override
        public void onError(Throwable e)
        {
          Assert.fail("Expected success, received: " + e);
          latch.countDown();
        }

        @Override
        public void onSuccess(RestResponse result)
        {
          Assert.assertEquals(result.getStatus(), 200);
          latch.countDown();
        }
      });
    }
    latch.await(REQUEST_TIMEOUT, TimeUnit.MILLISECONDS);

    Assert.assertTrue(context.getLocalAttrs().isEmpty());

    final FutureCallback<None> callback = new FutureCallback<None>();
    client.shutdown(callback);
    callback.get();
  }
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    // Specify the get timeout; we know the max rate will be half the get timeout
    final TransportClient transportClient =
        new HttpClientFactory().getClient(Collections.singletonMap(HttpClientFactory.HTTP_REQUEST_TIMEOUT,
                                                                   Integer.toString(REQUEST_TIMEOUT)));
    final Client client = new TransportClientAdapter(transportClient);

    final ServerSocket ss = new ServerSocket();
    ss.bind(null);
    final CountDownLatch latch = new CountDownLatch(N + WARM_UP);
    Thread t = new Thread(new Runnable()
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  @Test
  public void testSimpleURI() throws Exception
  {
    final TransportClient transportClient = _clientFactory.getClient(new HashMap<String, String>());
    final Client client = new TransportClientAdapter(transportClient);

    // Note no trailing slash; the point of the test is to ensure this URI will
    // send a Request-URI of "/".
    URI uri = URI.create("http://localhost:" + _testServer.getPort());
    RestRequestBuilder rb = new RestRequestBuilder(uri);
    rb.setMethod("GET");
    RestRequest request = rb.build();
    Future<RestResponse> f = client.restRequest(request);

    // This will block
    RestResponse response = f.get();

    assertEquals(response.getStatus(), 200);

    String requestString = _testServer.getLastRequest();
    assertTrue(requestString.startsWith("GET / HTTP"), "Request '" + requestString +
            "' should have started with 'GET / HTTP'");

    final FutureCallback<None> callback = new FutureCallback<None>();
    client.shutdown(callback);
    callback.get();
  }
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