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Example 1 with HttpClientFactory

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

the class D2ClientBuilder method createDefaultTransportClientFactories.

private Map<String, TransportClientFactory> createDefaultTransportClientFactories() {
    final Map<String, TransportClientFactory> clientFactories = new HashMap<String, TransportClientFactory>();
    clientFactories.put("http", new HttpClientFactory());
    return clientFactories;
}
Also used : HashMap(java.util.HashMap) TransportClientFactory(com.linkedin.r2.transport.common.TransportClientFactory) HttpClientFactory(com.linkedin.r2.transport.http.client.HttpClientFactory)

Example 2 with HttpClientFactory

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

the class LoadBalancerClientCli method getZKFSLoadBalancer.

public ZKFSLoadBalancer getZKFSLoadBalancer(String zkConnectString, String d2path, String d2ServicePath) throws Exception {
    _tmpDir = createTempDirectory(_tmpdirName);
    ZKFSComponentFactory componentFactory = new ZKFSComponentFactory();
    if (d2ServicePath == null || d2ServicePath.isEmpty()) {
        d2ServicePath = "services";
    }
    Map<String, TransportClientFactory> clientFactories = new HashMap<String, TransportClientFactory>();
    clientFactories.put("http", new HttpClientFactory());
    Map<String, LoadBalancerStrategyFactory<? extends LoadBalancerStrategy>> loadBalancerStrategyFactories = new HashMap<String, LoadBalancerStrategyFactory<? extends LoadBalancerStrategy>>();
    loadBalancerStrategyFactories.put("random", new RandomLoadBalancerStrategyFactory());
    loadBalancerStrategyFactories.put("degrader", new DegraderLoadBalancerStrategyFactoryV2());
    loadBalancerStrategyFactories.put("degraderV2", new DegraderLoadBalancerStrategyFactoryV2());
    loadBalancerStrategyFactories.put("degraderV3", new DegraderLoadBalancerStrategyFactoryV3());
    loadBalancerStrategyFactories.put("degraderV2_1", new DegraderLoadBalancerStrategyFactoryV2_1());
    ZKFSTogglingLoadBalancerFactoryImpl factory = new ZKFSTogglingLoadBalancerFactoryImpl(componentFactory, TIMEOUT, TimeUnit.MILLISECONDS, d2path, _tmpDir.getAbsolutePath(), clientFactories, loadBalancerStrategyFactories, d2ServicePath, null, null, false);
    return new ZKFSLoadBalancer(zkConnectString, SESSION_TIMEOUT, (int) TIMEOUT, factory, null, d2path);
}
Also used : DegraderLoadBalancerStrategyFactoryV2(com.linkedin.d2.balancer.strategies.degrader.DegraderLoadBalancerStrategyFactoryV2) ZKFSTogglingLoadBalancerFactoryImpl(com.linkedin.d2.balancer.zkfs.ZKFSTogglingLoadBalancerFactoryImpl) HashMap(java.util.HashMap) RandomLoadBalancerStrategyFactory(com.linkedin.d2.balancer.strategies.random.RandomLoadBalancerStrategyFactory) LoadBalancerStrategyFactory(com.linkedin.d2.balancer.strategies.LoadBalancerStrategyFactory) DegraderLoadBalancerStrategyFactoryV3(com.linkedin.d2.balancer.strategies.degrader.DegraderLoadBalancerStrategyFactoryV3) RandomLoadBalancerStrategyFactory(com.linkedin.d2.balancer.strategies.random.RandomLoadBalancerStrategyFactory) LoadBalancerStrategy(com.linkedin.d2.balancer.strategies.LoadBalancerStrategy) DegraderLoadBalancerStrategyFactoryV2_1(com.linkedin.d2.balancer.strategies.degrader.DegraderLoadBalancerStrategyFactoryV2_1) ZKFSComponentFactory(com.linkedin.d2.balancer.zkfs.ZKFSComponentFactory) ZKFSLoadBalancer(com.linkedin.d2.balancer.zkfs.ZKFSLoadBalancer) TransportClientFactory(com.linkedin.r2.transport.common.TransportClientFactory) HttpClientFactory(com.linkedin.r2.transport.http.client.HttpClientFactory)

Example 3 with HttpClientFactory

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

the class SimpleLoadBalancerTest method testLoadBalancerSmoke.

@Test(groups = { "small", "back-end" })
public void testLoadBalancerSmoke() throws URISyntaxException, ServiceUnavailableException, InterruptedException, ExecutionException {
    for (int tryAgain = 0; tryAgain < 1000; ++tryAgain) {
        Map<String, LoadBalancerStrategyFactory<? extends LoadBalancerStrategy>> loadBalancerStrategyFactories = new HashMap<String, LoadBalancerStrategyFactory<? extends LoadBalancerStrategy>>();
        Map<String, TransportClientFactory> clientFactories = new HashMap<String, TransportClientFactory>();
        List<String> prioritizedSchemes = new ArrayList<String>();
        MockStore<ServiceProperties> serviceRegistry = new MockStore<ServiceProperties>();
        MockStore<ClusterProperties> clusterRegistry = new MockStore<ClusterProperties>();
        MockStore<UriProperties> uriRegistry = new MockStore<UriProperties>();
        ScheduledExecutorService executorService = new SynchronousExecutorService();
        //loadBalancerStrategyFactories.put("rr", new RandomLoadBalancerStrategyFactory());
        loadBalancerStrategyFactories.put("degrader", new DegraderLoadBalancerStrategyFactoryV3());
        // PrpcClientFactory();
        // new
        clientFactories.put("http", new DoNothingClientFactory());
        // HttpClientFactory();
        SimpleLoadBalancerState state = new SimpleLoadBalancerState(executorService, uriRegistry, clusterRegistry, serviceRegistry, clientFactories, loadBalancerStrategyFactories);
        SimpleLoadBalancer loadBalancer = new SimpleLoadBalancer(state, 5, TimeUnit.SECONDS);
        FutureCallback<None> balancerCallback = new FutureCallback<None>();
        loadBalancer.start(balancerCallback);
        balancerCallback.get();
        URI uri1 = URI.create("http://test.qa1.com:1234");
        URI uri2 = URI.create("http://test.qa2.com:2345");
        URI uri3 = URI.create("http://test.qa3.com:6789");
        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>>(3);
        uriData.put(uri1, partitionData);
        uriData.put(uri2, partitionData);
        uriData.put(uri3, partitionData);
        prioritizedSchemes.add("http");
        clusterRegistry.put("cluster-1", new ClusterProperties("cluster-1"));
        serviceRegistry.put("foo", new ServiceProperties("foo", "cluster-1", "/foo", Arrays.asList("degrader"), Collections.<String, Object>emptyMap(), null, null, prioritizedSchemes, null));
        uriRegistry.put("cluster-1", new UriProperties("cluster-1", uriData));
        URI expectedUri1 = URI.create("http://test.qa1.com:1234/foo");
        URI expectedUri2 = URI.create("http://test.qa2.com:2345/foo");
        URI expectedUri3 = URI.create("http://test.qa3.com:6789/foo");
        Set<URI> expectedUris = new HashSet<URI>();
        expectedUris.add(expectedUri1);
        expectedUris.add(expectedUri2);
        expectedUris.add(expectedUri3);
        for (int i = 0; i < 100; ++i) {
            RewriteClient client = (RewriteClient) loadBalancer.getClient(new URIRequest("d2://foo/52"), new RequestContext());
            assertTrue(expectedUris.contains(client.getUri()));
            assertEquals(client.getUri().getScheme(), "http");
        }
        final CountDownLatch latch = new CountDownLatch(1);
        PropertyEventShutdownCallback callback = new PropertyEventShutdownCallback() {

            @Override
            public void done() {
                latch.countDown();
            }
        };
        state.shutdown(callback);
        if (!latch.await(60, TimeUnit.SECONDS)) {
            fail("unable to shutdown state");
        }
        executorService.shutdownNow();
        assertTrue(executorService.isShutdown(), "ExecutorService should have shut down!");
    }
}
Also used : PropertyEventShutdownCallback(com.linkedin.d2.discovery.event.PropertyEventThread.PropertyEventShutdownCallback) HashMap(java.util.HashMap) DegraderLoadBalancerStrategyFactoryV3(com.linkedin.d2.balancer.strategies.degrader.DegraderLoadBalancerStrategyFactoryV3) ArrayList(java.util.ArrayList) MockStore(com.linkedin.d2.discovery.stores.mock.MockStore) URI(java.net.URI) PartitionData(com.linkedin.d2.balancer.properties.PartitionData) UriProperties(com.linkedin.d2.balancer.properties.UriProperties) RequestContext(com.linkedin.r2.message.RequestContext) TransportClientFactory(com.linkedin.r2.transport.common.TransportClientFactory) FutureCallback(com.linkedin.common.callback.FutureCallback) HashSet(java.util.HashSet) ScheduledExecutorService(java.util.concurrent.ScheduledExecutorService) SynchronousExecutorService(com.linkedin.d2.discovery.event.SynchronousExecutorService) RandomLoadBalancerStrategyFactory(com.linkedin.d2.balancer.strategies.random.RandomLoadBalancerStrategyFactory) LoadBalancerStrategyFactory(com.linkedin.d2.balancer.strategies.LoadBalancerStrategyFactory) URIRequest(com.linkedin.d2.balancer.util.URIRequest) LoadBalancerStrategy(com.linkedin.d2.balancer.strategies.LoadBalancerStrategy) CountDownLatch(java.util.concurrent.CountDownLatch) RewriteClient(com.linkedin.d2.balancer.clients.RewriteClient) ServiceProperties(com.linkedin.d2.balancer.properties.ServiceProperties) ClusterProperties(com.linkedin.d2.balancer.properties.ClusterProperties) None(com.linkedin.common.util.None) Map(java.util.Map) HashMap(java.util.HashMap) Test(org.testng.annotations.Test)

Example 4 with HttpClientFactory

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

the class SimpleLoadBalancerTest method testLoadBalancerDropRate.

/**
   * This test simulates dropping requests by playing with OverrideDropRate in config
   *
   */
@Test(groups = { "small", "back-end" })
public void testLoadBalancerDropRate() throws ServiceUnavailableException, ExecutionException, InterruptedException {
    final int RETRY = 10;
    for (int tryAgain = 0; tryAgain < RETRY; ++tryAgain) {
        Map<String, LoadBalancerStrategyFactory<? extends LoadBalancerStrategy>> loadBalancerStrategyFactories = new HashMap<String, LoadBalancerStrategyFactory<? extends LoadBalancerStrategy>>();
        Map<String, TransportClientFactory> clientFactories = new HashMap<String, TransportClientFactory>();
        List<String> prioritizedSchemes = new ArrayList<String>();
        MockStore<ServiceProperties> serviceRegistry = new MockStore<ServiceProperties>();
        MockStore<ClusterProperties> clusterRegistry = new MockStore<ClusterProperties>();
        MockStore<UriProperties> uriRegistry = new MockStore<UriProperties>();
        ScheduledExecutorService executorService = new SynchronousExecutorService();
        //loadBalancerStrategyFactories.put("rr", new RandomLoadBalancerStrategyFactory());
        loadBalancerStrategyFactories.put("degrader", new DegraderLoadBalancerStrategyFactoryV3());
        // PrpcClientFactory();
        // new
        clientFactories.put("http", new DoNothingClientFactory());
        // HttpClientFactory();
        SimpleLoadBalancerState state = new SimpleLoadBalancerState(executorService, uriRegistry, clusterRegistry, serviceRegistry, clientFactories, loadBalancerStrategyFactories);
        SimpleLoadBalancer loadBalancer = new SimpleLoadBalancer(state, 5, TimeUnit.SECONDS);
        FutureCallback<None> balancerCallback = new FutureCallback<None>();
        loadBalancer.start(balancerCallback);
        balancerCallback.get();
        URI uri1 = URI.create("http://test.qa1.com:1234");
        URI uri2 = URI.create("http://test.qa2.com:2345");
        URI uri3 = URI.create("http://test.qa3.com:6789");
        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>>(3);
        uriData.put(uri1, partitionData);
        uriData.put(uri2, partitionData);
        uriData.put(uri3, partitionData);
        prioritizedSchemes.add("http");
        clusterRegistry.put("cluster-1", new ClusterProperties("cluster-1"));
        serviceRegistry.put("foo", new ServiceProperties("foo", "cluster-1", "/foo", Arrays.asList("degrader"), Collections.<String, Object>emptyMap(), null, null, prioritizedSchemes, null));
        uriRegistry.put("cluster-1", new UriProperties("cluster-1", uriData));
        URI expectedUri1 = URI.create("http://test.qa1.com:1234/foo");
        URI expectedUri2 = URI.create("http://test.qa2.com:2345/foo");
        URI expectedUri3 = URI.create("http://test.qa3.com:6789/foo");
        Set<URI> expectedUris = new HashSet<URI>();
        expectedUris.add(expectedUri1);
        expectedUris.add(expectedUri2);
        expectedUris.add(expectedUri3);
        Random random = new Random();
        for (int i = 0; i < 100; ++i) {
            try {
                RewriteClient client = (RewriteClient) loadBalancer.getClient(new URIRequest("d2://foo/52"), new RequestContext());
                TrackerClient tClient = (TrackerClient) client.getWrappedClient();
                DegraderImpl degrader = (DegraderImpl) tClient.getDegrader(DefaultPartitionAccessor.DEFAULT_PARTITION_ID);
                DegraderImpl.Config cfg = new DegraderImpl.Config(degrader.getConfig());
                // Change DropRate to 0.0 at the rate of 1/3
                cfg.setOverrideDropRate((random.nextInt(2) == 0) ? 1.0 : 0.0);
                degrader.setConfig(cfg);
                assertTrue(expectedUris.contains(client.getUri()));
                assertEquals(client.getUri().getScheme(), "http");
            } catch (ServiceUnavailableException e) {
                assertTrue(e.toString().contains("in a bad state (high latency/high error)"));
            }
        }
        final CountDownLatch latch = new CountDownLatch(1);
        PropertyEventShutdownCallback callback = new PropertyEventShutdownCallback() {

            @Override
            public void done() {
                latch.countDown();
            }
        };
        state.shutdown(callback);
        if (!latch.await(60, TimeUnit.SECONDS)) {
            fail("unable to shutdown state");
        }
        executorService.shutdownNow();
        assertTrue(executorService.isShutdown(), "ExecutorService should have shut down!");
    }
}
Also used : PropertyEventShutdownCallback(com.linkedin.d2.discovery.event.PropertyEventThread.PropertyEventShutdownCallback) HashMap(java.util.HashMap) DegraderLoadBalancerStrategyFactoryV3(com.linkedin.d2.balancer.strategies.degrader.DegraderLoadBalancerStrategyFactoryV3) ArrayList(java.util.ArrayList) MockStore(com.linkedin.d2.discovery.stores.mock.MockStore) ServiceUnavailableException(com.linkedin.d2.balancer.ServiceUnavailableException) URI(java.net.URI) Random(java.util.Random) TrackerClient(com.linkedin.d2.balancer.clients.TrackerClient) PartitionData(com.linkedin.d2.balancer.properties.PartitionData) UriProperties(com.linkedin.d2.balancer.properties.UriProperties) RequestContext(com.linkedin.r2.message.RequestContext) TransportClientFactory(com.linkedin.r2.transport.common.TransportClientFactory) FutureCallback(com.linkedin.common.callback.FutureCallback) HashSet(java.util.HashSet) ScheduledExecutorService(java.util.concurrent.ScheduledExecutorService) SynchronousExecutorService(com.linkedin.d2.discovery.event.SynchronousExecutorService) RandomLoadBalancerStrategyFactory(com.linkedin.d2.balancer.strategies.random.RandomLoadBalancerStrategyFactory) LoadBalancerStrategyFactory(com.linkedin.d2.balancer.strategies.LoadBalancerStrategyFactory) URIRequest(com.linkedin.d2.balancer.util.URIRequest) DegraderImpl(com.linkedin.util.degrader.DegraderImpl) LoadBalancerStrategy(com.linkedin.d2.balancer.strategies.LoadBalancerStrategy) CountDownLatch(java.util.concurrent.CountDownLatch) RewriteClient(com.linkedin.d2.balancer.clients.RewriteClient) ServiceProperties(com.linkedin.d2.balancer.properties.ServiceProperties) ClusterProperties(com.linkedin.d2.balancer.properties.ClusterProperties) None(com.linkedin.common.util.None) Map(java.util.Map) HashMap(java.util.HashMap) Test(org.testng.annotations.Test)

Example 5 with HttpClientFactory

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

the class ZKFSTest method testClientFactoryProvider.

@Test
public void testClientFactoryProvider() throws Exception {
    startServer();
    try {
        ZKFSLoadBalancer balancer = getBalancer();
        FutureCallback<None> callback = new FutureCallback<None>();
        balancer.start(callback);
        callback.get(30, TimeUnit.SECONDS);
        Facilities facilities = balancer.getFacilities();
        TransportClientFactory factory = facilities.getClientFactory("http");
        Assert.assertNotNull(factory);
        Assert.assertTrue(factory instanceof HttpClientFactory);
    } finally {
        stopServer();
    }
}
Also used : None(com.linkedin.common.util.None) TransportClientFactory(com.linkedin.r2.transport.common.TransportClientFactory) HttpClientFactory(com.linkedin.r2.transport.http.client.HttpClientFactory) FutureCallback(com.linkedin.common.callback.FutureCallback) Facilities(com.linkedin.d2.balancer.Facilities) Test(org.testng.annotations.Test)

Aggregations

HttpClientFactory (com.linkedin.r2.transport.http.client.HttpClientFactory)23 HashMap (java.util.HashMap)23 TransportClientAdapter (com.linkedin.r2.transport.common.bridge.client.TransportClientAdapter)18 None (com.linkedin.common.util.None)15 Test (org.testng.annotations.Test)14 FutureCallback (com.linkedin.common.callback.FutureCallback)13 TransportClient (com.linkedin.r2.transport.common.bridge.client.TransportClient)11 ScheduledExecutorService (java.util.concurrent.ScheduledExecutorService)11 TransportClientFactory (com.linkedin.r2.transport.common.TransportClientFactory)10 URI (java.net.URI)9 LoadBalancerStrategy (com.linkedin.d2.balancer.strategies.LoadBalancerStrategy)8 LoadBalancerStrategyFactory (com.linkedin.d2.balancer.strategies.LoadBalancerStrategyFactory)8 DegraderLoadBalancerStrategyFactoryV3 (com.linkedin.d2.balancer.strategies.degrader.DegraderLoadBalancerStrategyFactoryV3)8 RestRequest (com.linkedin.r2.message.rest.RestRequest)8 Client (com.linkedin.r2.transport.common.Client)8 RequestContext (com.linkedin.r2.message.RequestContext)7 HttpServerFactory (com.linkedin.r2.transport.http.server.HttpServerFactory)7 NioEventLoopGroup (io.netty.channel.nio.NioEventLoopGroup)7 ArrayList (java.util.ArrayList)7 ClusterProperties (com.linkedin.d2.balancer.properties.ClusterProperties)6