Examples with NullStateListenerCallback com.linkedin.d2.balancer.LoadBalancerState.NullStateListenerCallback used on opensource projects

Example 6 with NullStateListenerCallback

use of com.linkedin.d2.balancer.LoadBalancerState.NullStateListenerCallback in project rest.li by linkedin.

the class SimpleLoadBalancerStateTest method testUpdatePartitionDataMap.

@Test(groups = { "small", "back-end" })
public void testUpdatePartitionDataMap() {
    reset();
    URI uri = URI.create("http://cluster-1/test");
    List<String> schemes = new ArrayList<String>();
    Map<Integer, PartitionData> partitionDataMap = new HashMap<Integer, PartitionData>(1);
    Map<URI, Map<Integer, PartitionData>> uriData = new HashMap<URI, Map<Integer, PartitionData>>();
    uriData.put(uri, partitionDataMap);
    schemes.add("http");
    _state.listenToCluster("cluster-1", new NullStateListenerCallback());
    _state.listenToService("service-1", new NullStateListenerCallback());
    _serviceRegistry.put("service-1", new ServiceProperties("service-1", "cluster-1", "/test", Arrays.asList("random"), Collections.<String, Object>emptyMap(), null, null, schemes, null));
    // first we announce uri with empty partition data map
    _uriRegistry.put("cluster-1", new UriProperties("cluster-1", uriData));
    TrackerClient client = _state.getClient("service-1", uri);
    assertNotNull(client);
    assertEquals(client.getUri(), uri);
    // tracker client should see empty partition data map
    assertTrue(client.getParttitionDataMap().isEmpty());
    // then we update this uri to have a non-empty partition data map
    partitionDataMap.put(DefaultPartitionAccessor.DEFAULT_PARTITION_ID, new PartitionData(1d));
    _uriRegistry.put("cluster-1", new UriProperties("cluster-1", uriData));
    TrackerClient updatedClient = _state.getClient("service-1", uri);
    assertNotNull(updatedClient);
    // should have got a different tracker client
    assertNotSame(client, updatedClient);
    assertEquals(updatedClient.getUri(), uri);
    // this updated client should have updated partition data map
    assertFalse(updatedClient.getParttitionDataMap().isEmpty());
    assertEquals(updatedClient.getParttitionDataMap(), partitionDataMap);
}

Example 7 with NullStateListenerCallback

use of com.linkedin.d2.balancer.LoadBalancerState.NullStateListenerCallback in project rest.li by linkedin.

the class SimpleLoadBalancerStateTest method testGetClientAfterServiceMetadataChange.

@Test(groups = { "small", "back-end" })
public void testGetClientAfterServiceMetadataChange() {
    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");
    assertNull(_state.getClient("service-1", uri));
    // set up state
    _state.listenToCluster("cluster-1", new NullStateListenerCallback());
    assertNull(_state.getClient("service-1", uri));
    _state.listenToService("service-1", new NullStateListenerCallback());
    assertNull(_state.getClient("service-1", uri));
    _serviceRegistry.put("service-1", new ServiceProperties("service-1", "cluster-1", "/test", Arrays.asList("random"), Collections.<String, Object>emptyMap(), null, null, schemes, null));
    assertNull(_state.getClient("service-1", uri));
    _uriRegistry.put("cluster-1", new UriProperties("cluster-1", uriData));
    TrackerClient client = _state.getClient("service-1", uri);
    assertNotNull(client);
    assertEquals(client.getUri(), uri);
    //now we publish an event that tells service-1 changes cluster. Now it's hosted in cluster-2
    _serviceRegistry.put("service-1", new ServiceProperties("service-1", "cluster-2", "/test", Arrays.asList("random"), Collections.<String, Object>emptyMap(), null, null, schemes, null));
    //this time, since we haven't listened to cluster-2 and there's no uri in cluster-2, we get no client.
    assertNull(_state.getClient("service-1", uri));
    //we shouldn't be affected by any update to cluster-1 uris because now service-1 listen to cluster-2
    _uriRegistry.put("cluster-1", new UriProperties("cluster-1", uriData));
    assertNull(_state.getClient("service-1", uri));
    //now let's create URI for cluster 2 and make the state listen to cluster_2
    _state.listenToCluster("cluster-2", new NullStateListenerCallback());
    URI uri2 = URI.create("http://cluster-2/test");
    Map<Integer, PartitionData> partitionData2 = new HashMap<Integer, PartitionData>(1);
    partitionData2.put(DefaultPartitionAccessor.DEFAULT_PARTITION_ID, new PartitionData(1d));
    Map<URI, Map<Integer, PartitionData>> uriData2 = new HashMap<URI, Map<Integer, PartitionData>>();
    uriData2.put(uri2, partitionData2);
    //if we start publishing new event to cluster-2 then we should get trackerClient
    _uriRegistry.put("cluster-2", new UriProperties("cluster-2", uriData2));
    client = _state.getClient("service-1", uri2);
    assertNotNull(client);
    assertEquals(client.getUri(), uri2);
    //just to make sure that any event from cluster-1 doesn't affect us anymore
    _uriRegistry.put("cluster-1", new UriProperties("cluster-1", uriData));
    client = _state.getClient("service-1", uri2);
    assertNotNull(client);
    assertEquals(client.getUri(), uri2);
    //if we pass uri from cluster-1, we also get no tracker client
    client = _state.getClient("service-1", uri);
    assertNull(client);
}

Example 8 with NullStateListenerCallback

use of com.linkedin.d2.balancer.LoadBalancerState.NullStateListenerCallback in project rest.li by linkedin.

the class SimpleLoadBalancerStateTest method testGetSSLClient.

@Test(groups = { "small", "back-end" })
public void testGetSSLClient() throws URISyntaxException {
    reset(true);
    URI uri = URI.create("https://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("https");
    assertNull(_state.getClient("service-1", uri));
    // set up state
    _state.listenToCluster("cluster-1", new NullStateListenerCallback());
    assertNull(_state.getClient("service-1", uri));
    _state.listenToService("service-1", new NullStateListenerCallback());
    assertNull(_state.getClient("service-1", uri));
    Map<String, Object> transportClientProperties = new HashMap<String, Object>();
    transportClientProperties.put(HttpClientFactory.HTTP_SSL_CONTEXT, _sslContext);
    transportClientProperties.put(HttpClientFactory.HTTP_SSL_PARAMS, _sslParameters);
    transportClientProperties = Collections.unmodifiableMap(transportClientProperties);
    _serviceRegistry.put("service-1", new ServiceProperties("service-1", "cluster-1", "/test", Arrays.asList("random"), Collections.<String, Object>emptyMap(), transportClientProperties, null, schemes, null));
    assertNull(_state.getClient("service-1", uri));
    _uriRegistry.put("cluster-1", new UriProperties("cluster-1", uriData));
    TrackerClient client = _state.getClient("service-1", uri);
    assertNotNull(client);
    assertEquals(client.getUri(), uri);
}

Example 9 with NullStateListenerCallback

use of com.linkedin.d2.balancer.LoadBalancerState.NullStateListenerCallback in project rest.li by linkedin.

the class SimpleLoadBalancerStateTest method testVersion.

@Test(groups = { "small", "back-end" })
public void testVersion() throws URISyntaxException {
    reset();
    int expectedVersion = 0;
    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.listenToCluster("cluster-1", new NullStateListenerCallback());
    // one for uri properties onInit, and one for cluster properties onInit
    expectedVersion += 2;
    assertEquals(_state.getVersion(), expectedVersion);
    _state.listenToService("service-1", new NullStateListenerCallback());
    // one for service onInit
    ++expectedVersion;
    assertEquals(_state.getVersion(), expectedVersion);
    _clusterRegistry.put("cluster-1", new ClusterProperties("cluster-1", schemes));
    // one for cluster onAdd
    ++expectedVersion;
    assertEquals(_state.getVersion(), expectedVersion);
    _uriRegistry.put("cluster-1", new UriProperties("cluster-1", uriData));
    // one for uri onAdd
    ++expectedVersion;
    assertEquals(_state.getVersion(), expectedVersion);
    _serviceRegistry.put("service-1", new ServiceProperties("service-1", "cluster-1", "/test", Arrays.asList("random")));
    // one for service onAdd
    ++expectedVersion;
    assertEquals(_state.getVersion(), expectedVersion);
    // this shouldn't change the version
    _state.getClient("cluster-1", uri);
    assertEquals(_state.getVersion(), expectedVersion);
    // this shouldn't change the version
    _state.getStrategy("service-1", "http");
    assertEquals(_state.getVersion(), expectedVersion);
}

Example 10 with NullStateListenerCallback

use of com.linkedin.d2.balancer.LoadBalancerState.NullStateListenerCallback in project rest.li by linkedin.

the class SimpleLoadBalancerStateTest method testListValueInTransportClientProperties.

@Test(groups = { "small", "back-end" })
public void testListValueInTransportClientProperties() throws URISyntaxException {
    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");
    assertNull(_state.getClient("service-1", uri));
    // set up state
    _state.listenToCluster("cluster-1", new NullStateListenerCallback());
    assertNull(_state.getClient("service-1", uri));
    _state.listenToService("service-1", new NullStateListenerCallback());
    assertNull(_state.getClient("service-1", uri));
    Map<String, Object> transportClientProperties = new HashMap<String, Object>();
    List<String> allowedClientOverrideKeys = new ArrayList<String>();
    allowedClientOverrideKeys.add(PropertyKeys.HTTP_REQUEST_TIMEOUT);
    allowedClientOverrideKeys.add(PropertyKeys.HTTP_RESPONSE_COMPRESSION_OPERATIONS);
    transportClientProperties.put(PropertyKeys.ALLOWED_CLIENT_OVERRIDE_KEYS, allowedClientOverrideKeys);
    List<String> compressionOperations = new ArrayList<String>();
    compressionOperations.add("get");
    compressionOperations.add("batch_get");
    compressionOperations.add("get_all");
    transportClientProperties.put(PropertyKeys.HTTP_RESPONSE_COMPRESSION_OPERATIONS, compressionOperations);
    transportClientProperties = Collections.unmodifiableMap(transportClientProperties);
    _serviceRegistry.put("service-1", new ServiceProperties("service-1", "cluster-1", "/test", Arrays.asList("random"), Collections.<String, Object>emptyMap(), transportClientProperties, null, schemes, null));
    assertNull(_state.getClient("service-1", uri));
    _uriRegistry.put("cluster-1", new UriProperties("cluster-1", uriData));
    TrackerClient client = _state.getClient("service-1", uri);
    assertNotNull(client);
    assertEquals(client.getUri(), uri);
}