Examples with NetworkClient org.apache.kafka.clients.NetworkClient used on opensource projects

Example 11 with NetworkClient

use of org.apache.kafka.clients.NetworkClient in project kafka by apache.

the class ConsumerNetworkClientTest method blockWhenPollConditionNotSatisfied.

@Test
public void blockWhenPollConditionNotSatisfied() {
    long timeout = 4000L;
    NetworkClient mockNetworkClient = mock(NetworkClient.class);
    ConsumerNetworkClient consumerClient = new ConsumerNetworkClient(new LogContext(), mockNetworkClient, metadata, time, 100, 1000, Integer.MAX_VALUE);
    when(mockNetworkClient.inFlightRequestCount()).thenReturn(1);
    consumerClient.poll(time.timer(timeout), () -> true);
    verify(mockNetworkClient).poll(eq(timeout), anyLong());
}

Example 12 with NetworkClient

use of org.apache.kafka.clients.NetworkClient in project kafka by apache.

the class SenderTest method testQuotaMetrics.

/*
     * Send multiple requests. Verify that the client side quota metrics have the right values
     */
@SuppressWarnings("deprecation")
@Test
public void testQuotaMetrics() {
    MockSelector selector = new MockSelector(time);
    Sensor throttleTimeSensor = Sender.throttleTimeSensor(this.senderMetricsRegistry);
    Cluster cluster = TestUtils.singletonCluster("test", 1);
    Node node = cluster.nodes().get(0);
    NetworkClient client = new NetworkClient(selector, metadata, "mock", Integer.MAX_VALUE, 1000, 1000, 64 * 1024, 64 * 1024, 1000, 10 * 1000, 127 * 1000, time, true, new ApiVersions(), throttleTimeSensor, logContext);
    ApiVersionsResponse apiVersionsResponse = ApiVersionsResponse.defaultApiVersionsResponse(400, ApiMessageType.ListenerType.ZK_BROKER);
    ByteBuffer buffer = RequestTestUtils.serializeResponseWithHeader(apiVersionsResponse, ApiKeys.API_VERSIONS.latestVersion(), 0);
    selector.delayedReceive(new DelayedReceive(node.idString(), new NetworkReceive(node.idString(), buffer)));
    while (!client.ready(node, time.milliseconds())) {
        client.poll(1, time.milliseconds());
        // If a throttled response is received, advance the time to ensure progress.
        time.sleep(client.throttleDelayMs(node, time.milliseconds()));
    }
    selector.clear();
    for (int i = 1; i <= 3; i++) {
        int throttleTimeMs = 100 * i;
        ProduceRequest.Builder builder = ProduceRequest.forCurrentMagic(new ProduceRequestData().setTopicData(new ProduceRequestData.TopicProduceDataCollection()).setAcks((short) 1).setTimeoutMs(1000));
        ClientRequest request = client.newClientRequest(node.idString(), builder, time.milliseconds(), true);
        client.send(request, time.milliseconds());
        client.poll(1, time.milliseconds());
        ProduceResponse response = produceResponse(tp0, i, Errors.NONE, throttleTimeMs);
        buffer = RequestTestUtils.serializeResponseWithHeader(response, ApiKeys.PRODUCE.latestVersion(), request.correlationId());
        selector.completeReceive(new NetworkReceive(node.idString(), buffer));
        client.poll(1, time.milliseconds());
        // If a throttled response is received, advance the time to ensure progress.
        time.sleep(client.throttleDelayMs(node, time.milliseconds()));
        selector.clear();
    }
    Map<MetricName, KafkaMetric> allMetrics = metrics.metrics();
    KafkaMetric avgMetric = allMetrics.get(this.senderMetricsRegistry.produceThrottleTimeAvg);
    KafkaMetric maxMetric = allMetrics.get(this.senderMetricsRegistry.produceThrottleTimeMax);
    // Throttle times are ApiVersions=400, Produce=(100, 200, 300)
    assertEquals(250, (Double) avgMetric.metricValue(), EPS);
    assertEquals(400, (Double) maxMetric.metricValue(), EPS);
    client.close();
}

Example 13 with NetworkClient

use of org.apache.kafka.clients.NetworkClient in project kafka by apache.

the class KafkaAdminClient method createInternal.

static KafkaAdminClient createInternal(AdminClientConfig config, TimeoutProcessorFactory timeoutProcessorFactory, HostResolver hostResolver) {
    Metrics metrics = null;
    NetworkClient networkClient = null;
    Time time = Time.SYSTEM;
    String clientId = generateClientId(config);
    ChannelBuilder channelBuilder = null;
    Selector selector = null;
    ApiVersions apiVersions = new ApiVersions();
    LogContext logContext = createLogContext(clientId);
    try {
        // Since we only request node information, it's safe to pass true for allowAutoTopicCreation (and it
        // simplifies communication with older brokers)
        AdminMetadataManager metadataManager = new AdminMetadataManager(logContext, config.getLong(AdminClientConfig.RETRY_BACKOFF_MS_CONFIG), config.getLong(AdminClientConfig.METADATA_MAX_AGE_CONFIG));
        List<InetSocketAddress> addresses = ClientUtils.parseAndValidateAddresses(config.getList(AdminClientConfig.BOOTSTRAP_SERVERS_CONFIG), config.getString(AdminClientConfig.CLIENT_DNS_LOOKUP_CONFIG));
        metadataManager.update(Cluster.bootstrap(addresses), time.milliseconds());
        List<MetricsReporter> reporters = config.getConfiguredInstances(AdminClientConfig.METRIC_REPORTER_CLASSES_CONFIG, MetricsReporter.class, Collections.singletonMap(AdminClientConfig.CLIENT_ID_CONFIG, clientId));
        Map<String, String> metricTags = Collections.singletonMap("client-id", clientId);
        MetricConfig metricConfig = new MetricConfig().samples(config.getInt(AdminClientConfig.METRICS_NUM_SAMPLES_CONFIG)).timeWindow(config.getLong(AdminClientConfig.METRICS_SAMPLE_WINDOW_MS_CONFIG), TimeUnit.MILLISECONDS).recordLevel(Sensor.RecordingLevel.forName(config.getString(AdminClientConfig.METRICS_RECORDING_LEVEL_CONFIG))).tags(metricTags);
        JmxReporter jmxReporter = new JmxReporter();
        jmxReporter.configure(config.originals());
        reporters.add(jmxReporter);
        MetricsContext metricsContext = new KafkaMetricsContext(JMX_PREFIX, config.originalsWithPrefix(CommonClientConfigs.METRICS_CONTEXT_PREFIX));
        metrics = new Metrics(metricConfig, reporters, time, metricsContext);
        String metricGrpPrefix = "admin-client";
        channelBuilder = ClientUtils.createChannelBuilder(config, time, logContext);
        selector = new Selector(config.getLong(AdminClientConfig.CONNECTIONS_MAX_IDLE_MS_CONFIG), metrics, time, metricGrpPrefix, channelBuilder, logContext);
        networkClient = new NetworkClient(metadataManager.updater(), null, selector, clientId, 1, config.getLong(AdminClientConfig.RECONNECT_BACKOFF_MS_CONFIG), config.getLong(AdminClientConfig.RECONNECT_BACKOFF_MAX_MS_CONFIG), config.getInt(AdminClientConfig.SEND_BUFFER_CONFIG), config.getInt(AdminClientConfig.RECEIVE_BUFFER_CONFIG), (int) TimeUnit.HOURS.toMillis(1), config.getLong(AdminClientConfig.SOCKET_CONNECTION_SETUP_TIMEOUT_MS_CONFIG), config.getLong(AdminClientConfig.SOCKET_CONNECTION_SETUP_TIMEOUT_MAX_MS_CONFIG), time, true, apiVersions, null, logContext, (hostResolver == null) ? new DefaultHostResolver() : hostResolver);
        return new KafkaAdminClient(config, clientId, time, metadataManager, metrics, networkClient, timeoutProcessorFactory, logContext);
    } catch (Throwable exc) {
        closeQuietly(metrics, "Metrics");
        closeQuietly(networkClient, "NetworkClient");
        closeQuietly(selector, "Selector");
        closeQuietly(channelBuilder, "ChannelBuilder");
        throw new KafkaException("Failed to create new KafkaAdminClient", exc);
    }
}