com.alibaba.rocketmq.common.utils.ChannelUtil Maven / Gradle / Ivy
/**
* 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 com.alibaba.rocketmq.common.utils;
import io.netty.channel.Channel;
import java.net.InetAddress;
import java.net.InetSocketAddress;
public class ChannelUtil {
public static String getRemoteIp(Channel channel) {
InetSocketAddress inetSocketAddress = (InetSocketAddress) channel.remoteAddress();
if (inetSocketAddress == null) {
return "";
}
final InetAddress inetAddr = inetSocketAddress.getAddress();
return (inetAddr != null ? inetAddr.getHostAddress() : inetSocketAddress.getHostName());
}
}