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package com.jnngl.server;

import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.MessageToByteEncoder;

public class PacketLengthPrefixer extends MessageToByteEncoder {

    @Override
    protected void encode(ChannelHandlerContext ctx, ByteBuf msg, ByteBuf out) {
        BufUtils.writeVarInt(out, msg.readableBytes());
        out.writeBytes(msg);
    }

}