Examples with TransportCallbackAdapter com.linkedin.r2.transport.common.bridge.client.TransportCallbackAdapter used on opensource projects

Example 36 with TransportCallbackAdapter

use of com.linkedin.r2.transport.common.bridge.client.TransportCallbackAdapter in project rest.li by linkedin.

the class SimpleLoadBalancerStateTest method testClientsShutdownAfterPropertyUpdatesRestRequest.

@Test(groups = { "small", "back-end" })
public void testClientsShutdownAfterPropertyUpdatesRestRequest() throws URISyntaxException, InterruptedException {
    reset();
    URI uri = URI.create("http://cluster-1/test");
    List<String> schemes = new ArrayList<String>();
    Map<Integer, PartitionData> partitionData = new HashMap<Integer, PartitionData>(1);
    partitionData.put(DefaultPartitionAccessor.DEFAULT_PARTITION_ID, new PartitionData(1d));
    Map<URI, Map<Integer, PartitionData>> uriData = new HashMap<URI, Map<Integer, PartitionData>>();
    uriData.put(uri, partitionData);
    schemes.add("http");
    // set up state
    _state.listenToService("service-1", new NullStateListenerCallback());
    _state.listenToCluster("cluster-1", new NullStateListenerCallback());
    _state.setDelayedExecution(0);
    _serviceRegistry.put("service-1", new ServiceProperties("service-1", "cluster-1", "/test", Arrays.asList("random"), Collections.<String, Object>emptyMap(), Collections.<String, Object>emptyMap(), Collections.<String, String>emptyMap(), schemes, Collections.<URI>emptySet()));
    _clusterRegistry.put("cluster-1", new ClusterProperties("cluster-1"));
    _uriRegistry.put("cluster-1", new UriProperties("cluster-1", uriData));
    URI uri1 = URI.create("http://partition-cluster-1/test1");
    URI uri2 = URI.create("http://partition-cluster-1/test2");
    _state.listenToCluster("partition-cluster-1", new NullStateListenerCallback());
    _clusterRegistry.put("partition-cluster-1", new ClusterProperties("partition-cluster-1", null, new HashMap<String, String>(), new HashSet<URI>(), new RangeBasedPartitionProperties("id=(\\d+)", 0, 100, 2)));
    _state.listenToService("partition-service-1", new NullStateListenerCallback());
    _serviceRegistry.put("partition-service-1", new ServiceProperties("partition-service-1", "partition-cluster-1", "/partition-test", Arrays.asList("degraderV3"), Collections.<String, Object>emptyMap(), Collections.<String, Object>emptyMap(), Collections.<String, String>emptyMap(), schemes, Collections.<URI>emptySet()));
    Map<Integer, PartitionData> partitionWeight = new HashMap<Integer, PartitionData>();
    partitionWeight.put(0, new PartitionData(1d));
    partitionWeight.put(1, new PartitionData(2d));
    Map<URI, Map<Integer, PartitionData>> partitionDesc = new HashMap<URI, Map<Integer, PartitionData>>();
    partitionDesc.put(uri1, partitionWeight);
    partitionWeight.remove(0);
    partitionWeight.put(2, new PartitionData(1d));
    partitionDesc.put(uri2, partitionWeight);
    _uriRegistry.put("partition-cluster-1", new UriProperties("partition-cluster-1", partitionDesc));
    TrackerClient client1 = _state.getClient("partition-service-1", uri1);
    TrackerClient client2 = _state.getClient("partition-service-1", uri2);
    assertEquals(client2.getPartitionWeight(1), 2d);
    assertEquals(client2.getPartitionWeight(2), 1d);
    assertEquals(client1.getPartitionWeight(1), 2d);
    // Get client, then refresh cluster
    TrackerClient client = _state.getClient("service-1", uri);
    client.restRequest(new RestRequestBuilder(URI.create("d2://service-1/foo")).build(), new RequestContext(), Collections.<String, String>emptyMap(), new TransportCallbackAdapter<RestResponse>(Callbacks.<RestResponse>empty()));
    // now force a refresh by adding cluster
    _clusterRegistry.put("cluster-1", new ClusterProperties("cluster-1"));
    // Get client, then refresh service
    client = _state.getClient("service-1", uri);
    client.restRequest(new RestRequestBuilder(URI.create("d2://service-1/foo")).build(), new RequestContext(), Collections.<String, String>emptyMap(), new TransportCallbackAdapter<RestResponse>(Callbacks.<RestResponse>empty()));
    // refresh by adding service
    _serviceRegistry.put("service-1", new ServiceProperties("service-1", "cluster-1", "/test", Arrays.asList("random"), Collections.<String, Object>emptyMap(), null, null, schemes, null));
    // Get client, then mark server up/down
    client = _state.getClient("service-1", uri);
    client.restRequest(new RestRequestBuilder(URI.create("d2://service-1/foo")).build(), new RequestContext(), Collections.<String, String>emptyMap(), new TransportCallbackAdapter<RestResponse>(Callbacks.<RestResponse>empty()));
    _uriRegistry.put("cluster-1", new UriProperties("cluster-1", Collections.<URI, Map<Integer, PartitionData>>emptyMap()));
    _uriRegistry.put("cluster-1", new UriProperties("cluster-1", uriData));
    // Get the client one last time
    client = _state.getClient("service-1", uri);
    client.restRequest(new RestRequestBuilder(URI.create("d2://service-1/foo")).build(), new RequestContext(), Collections.<String, String>emptyMap(), new TransportCallbackAdapter<RestResponse>(Callbacks.<RestResponse>empty()));
    TestShutdownCallback callback = new TestShutdownCallback();
    _state.shutdown(callback);
    assertTrue(callback.await(10, TimeUnit.SECONDS), "Failed to shut down state");
    for (TransportClientFactory factory : _clientFactories.values()) {
        SimpleLoadBalancerTest.DoNothingClientFactory f = (SimpleLoadBalancerTest.DoNothingClientFactory) factory;
        assertEquals(f.getRunningClientCount(), 0, "not all clients were shut down");
    }
}

Example 37 with TransportCallbackAdapter

use of com.linkedin.r2.transport.common.bridge.client.TransportCallbackAdapter in project rest.li by linkedin.

the class TransportClientAdapter method restRequest.

@Override
public void restRequest(RestRequest request, RequestContext requestContext, Callback<RestResponse> callback) {
    if (!_restOverStream) {
        final Map<String, String> wireAttrs = new HashMap<String, String>();
        //make a copy of the caller's RequestContext to ensure that we have a unique instance per-request
        _client.restRequest(request, new RequestContext(requestContext), wireAttrs, new TransportCallbackAdapter<RestResponse>(callback));
    } else {
        super.restRequest(request, requestContext, callback);
    }
}

Example 38 with TransportCallbackAdapter

use of com.linkedin.r2.transport.common.bridge.client.TransportCallbackAdapter in project rest.li by linkedin.

the class TransportDispatcherImpl method handleRestRequest.

@Override
public void handleRestRequest(RestRequest req, Map<String, String> wireAttrs, RequestContext requestContext, TransportCallback<RestResponse> callback) {
    final URI address = req.getURI();
    RestRequestHandler handler = _restHandlers.get(address);
    if (handler == null) {
        callback.onResponse(TransportResponseImpl.success(RestStatus.responseForStatus(RestStatus.NOT_FOUND, "No resource for URI:" + address)));
        return;
    }
    try {
        handler.handleRequest(req, requestContext, new TransportCallbackAdapter<RestResponse>(callback));
    } catch (Exception e) {
        callback.onResponse(TransportResponseImpl.<RestResponse>error(RestException.forError(RestStatus.INTERNAL_SERVER_ERROR, e)));
    }
}

Example 39 with TransportCallbackAdapter

use of com.linkedin.r2.transport.common.bridge.client.TransportCallbackAdapter in project rest.li by linkedin.

the class TestHttpBridge method testStreamToHttpErrorMessage.

@Test
public void testStreamToHttpErrorMessage() throws TimeoutException, InterruptedException {
    URI uri = URI.create("http://some.host/thisShouldAppearInTheErrorMessage");
    RestRequest r = new RestRequestBuilder(uri).build();
    FutureCallback<StreamResponse> futureCallback = new FutureCallback<StreamResponse>();
    TransportCallback<StreamResponse> callback = new TransportCallbackAdapter<StreamResponse>(futureCallback);
    TransportCallback<StreamResponse> bridgeCallback = HttpBridge.streamToHttpCallback(callback, Messages.toStreamRequest(r));
    bridgeCallback.onResponse(TransportResponseImpl.<StreamResponse>error(new Exception()));
    try {
        futureCallback.get(30, TimeUnit.SECONDS);
        Assert.fail("get should have thrown exception");
    } catch (ExecutionException e) {
        Assert.assertTrue(e.getCause().getMessage().contains(uri.toString()));
    }
}

Example 40 with TransportCallbackAdapter

use of com.linkedin.r2.transport.common.bridge.client.TransportCallbackAdapter in project rest.li by linkedin.

the class TestHttpBridge method testRestToHttpErrorMessage.

@Test
public void testRestToHttpErrorMessage() throws TimeoutException, InterruptedException {
    URI uri = URI.create("http://some.host/thisShouldAppearInTheErrorMessage");
    RestRequest r = new RestRequestBuilder(uri).build();
    FutureCallback<RestResponse> futureCallback = new FutureCallback<RestResponse>();
    TransportCallback<RestResponse> callback = new TransportCallbackAdapter<RestResponse>(futureCallback);
    TransportCallback<RestResponse> bridgeCallback = HttpBridge.restToHttpCallback(callback, r);
    bridgeCallback.onResponse(TransportResponseImpl.<RestResponse>error(new Exception()));
    try {
        futureCallback.get(30, TimeUnit.SECONDS);
        Assert.fail("get should have thrown exception");
    } catch (ExecutionException e) {
        Assert.assertTrue(e.getCause().getMessage().contains(uri.toString()));
    }
}