/
NetworkUtils.java
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/
NetworkUtils.java
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package kafka.server;
import org.apache.kafka.clients.ApiVersions;
import org.apache.kafka.clients.ManualMetadataUpdater;
import org.apache.kafka.clients.NetworkClient;
import org.apache.kafka.common.Reconfigurable;
import org.apache.kafka.common.metrics.Metrics;
import org.apache.kafka.common.network.ChannelBuilder;
import org.apache.kafka.common.network.ChannelBuilders;
import org.apache.kafka.common.network.NetworkReceive;
import org.apache.kafka.common.network.Selectable;
import org.apache.kafka.common.network.Selector;
import org.apache.kafka.common.security.JaasContext;
import org.apache.kafka.common.utils.LogContext;
import org.apache.kafka.common.utils.Time;
import java.util.Collections;
public class NetworkUtils {
public static NetworkClient buildNetworkClient(String prefix,
KafkaConfig config,
Metrics metrics,
Time time,
LogContext logContext) {
ChannelBuilder channelBuilder = ChannelBuilders.clientChannelBuilder(
config.interBrokerSecurityProtocol(),
JaasContext.Type.SERVER,
config,
config.interBrokerListenerName(),
config.saslMechanismInterBrokerProtocol(),
time,
config.saslInterBrokerHandshakeRequestEnable(),
logContext
);
if (channelBuilder instanceof Reconfigurable) {
config.addReconfigurable((Reconfigurable) channelBuilder);
}
String metricGroupPrefix = prefix + "-channel";
Selector selector = new Selector(
NetworkReceive.UNLIMITED,
config.connectionsMaxIdleMs(),
metrics,
time,
metricGroupPrefix,
Collections.emptyMap(),
false,
channelBuilder,
logContext
);
String clientId = prefix + "-client-" + config.nodeId();
return new NetworkClient(
selector,
new ManualMetadataUpdater(),
clientId,
1,
50,
50,
Selectable.USE_DEFAULT_BUFFER_SIZE,
config.socketReceiveBufferBytes(),
config.requestTimeoutMs(),
config.connectionSetupTimeoutMs(),
config.connectionSetupTimeoutMaxMs(),
time,
false,
new ApiVersions(),
logContext
);
}
}