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package com.alibaba.arthas.tunnel.server;

import io.netty.buffer.Unpooled;
import io.netty.channel.Channel;
import io.netty.channel.ChannelFutureListener;

public final class ChannelUtils {

    /**
     * Closes the specified channel after all queued write requests are flushed.
     */
    public static void closeOnFlush(Channel ch) {
        if (ch.isActive()) {
            ch.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
        }
    }

    private ChannelUtils() {
    }
}