package com.genersoft.iot.vmp.jt1078.codec.encode;
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import com.genersoft.iot.vmp.jt1078.proc.response.Rs;
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import com.genersoft.iot.vmp.jt1078.session.Session;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.ByteBufUtil;
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import io.netty.channel.ChannelHandlerContext;
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import io.netty.handler.codec.MessageToByteEncoder;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* @author QingtaiJiang
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* @date 2023/4/27 18:10
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* @email qingtaij@163.com
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*/
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public class Jt808Encoder extends MessageToByteEncoder<Rs> {
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private final static Logger log = LoggerFactory.getLogger(Jt808Encoder.class);
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@Override
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protected void encode(ChannelHandlerContext ctx, Rs msg, ByteBuf out) throws Exception {
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Session session = ctx.channel().attr(Session.KEY).get();
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ByteBuf encode = Jt808EncoderCmd.encode(msg, session, session.nextSerialNo());
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if(encode!=null){
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log.info("< {} hex:{}", session, ByteBufUtil.hexDump(encode));
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out.writeBytes(encode);
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}
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}
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}
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