remoting-core/remoting-impl/src/main/java/org/apache/rocketmq/remoting/internal/RemotingUtil.java

/*
 * 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 org.apache.rocketmq.remoting.internal;

import io.netty.channel.Channel;
import java.net.InetSocketAddress;
import java.net.SocketAddress;

public class RemotingUtil {
    public static String extractRemoteAddress(Channel channel) {
        SocketAddress socketAddress = channel.remoteAddress();

        if (socketAddress instanceof InetSocketAddress) {
            return ((InetSocketAddress) socketAddress).getAddress().getHostAddress();
        }

        return "Unknown";
    }
}