package com.dy.common.mw.protocol.p206V202404.parse;
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import com.alibaba.fastjson2.JSON;
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import com.alibaba.fastjson2.JSONObject;
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import com.dy.common.mw.protocol.*;
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import com.dy.common.mw.protocol.p206V202404.CodeV202404;
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import com.dy.common.mw.protocol.p206V202404.ParseParamsForDownV202404;
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import com.dy.common.mw.protocol.p206V202404.downVos.ComCd21Vo;
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import com.dy.common.mw.protocol.p206V202404.parse.global.GlCreate;
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import com.dy.common.util.ByteUtil;
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import java.nio.charset.StandardCharsets;
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@AnnotationCodeDown(ifAny={
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CodeV202404.cd_21
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})
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public class Cd_21_Down implements CodeParse {
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@Override
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public MidResult[] parse(Boolean isLowPower, CodeParseParams params, CodeParseCallback callback) throws Exception {
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ParseParamsForDownV202404 para = (ParseParamsForDownV202404) params ;
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byte[] bs = this.doParse(para) ;
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MidResultToRtu midRs = new MidResultToRtu() ;
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midRs.protocolName = para.protocolName ;//协议名称
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midRs.protocolVersion = para.protocolVersion ;//协议版本号
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midRs.rtuResultSendWebUrl = para.rtuResultSendWebUrl ;
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midRs.rtuAddr = para.rtuAddr ;//Rtu地址
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midRs.commandId = para.commandId ;//命令ID，发起命令的客户端(web端)生成，以匹配命令结果
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midRs.downCode = para.commandCode ;//下行命令功能码;
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midRs.downCodeName = CodeV202404.getCodeName(para.commandCode) ;//下行命令功能码名称;
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midRs.downBuffer = bs ;//下行命令数据
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midRs.downBufHex = ByteUtil.bytes2Hex(bs, true) ;//下行命令数据十六进制形式
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midRs.hasResponse = true ;//是否有应答
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midRs.maxSendTimes = null ;//命令最大发送次数(当收不到应答时，将重发)，如果不设置，命令缓存器进行补充设置
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midRs.isCachForOffLine = false ;//RTU不在线，命令是否缓存，低功耗时为true
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midRs.isSendFirst = false ;//命令应答，首先发送，防止RTU重新上报
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if(isLowPower != null && isLowPower.booleanValue()){
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//低功耗时，尽快发送
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midRs.isQuickSend = true ;
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}
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return new MidResult[]{midRs} ;
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}
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/**
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* 构造下行数据
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* @param para 参数
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* @return 字节数组
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* @throws Exception 异常
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*/
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public byte[] doParse(ParseParamsForDownV202404 para) throws Exception {
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byte[] bytes = GlCreate.createStart2Cd(para.rtuAddr, para.commandCode);
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if(para.param != null){
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JSONObject obj = (JSONObject)para.param;
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String json = obj.toJSONString();
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ComCd21Vo cvo = JSON.parseObject(json, ComCd21Vo.class) ;
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if(cvo == null){
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throw new Exception("json转ComCd21Vo为null") ;
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}
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if(cvo.channel == null){
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throw new Exception("IP通道号不能为空") ;
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}
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if(cvo.channel != 1 && cvo.channel != 2){
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throw new Exception("IP通道号只能是1或2") ;
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}
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if(cvo.ip == null || cvo.ip.equals("")){
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throw new Exception("IP不能为空") ;
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}
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if(cvo.ip.length() > 15){
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throw new Exception("IP最大长度是15个字符") ;
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}
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if(cvo.port < 0 || cvo.port > 65535){
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throw new Exception("端口号必须是0~65535范围内的整数") ;
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}
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byte[] ipBs = cvo.ip.getBytes(StandardCharsets.UTF_8) ;
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byte[] portBs = ("" + cvo.port).getBytes(StandardCharsets.UTF_8) ;
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byte[] bs = new byte[4] ;
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int index = 0 ;
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bs[index] = (byte)(Integer.parseInt(cvo.controllerType, 16));
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index ++ ;
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bs[index] = cvo.projectNo.byteValue() ;
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index ++ ;
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bs[index] = cvo.channel.byteValue() ;
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index ++ ;
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bs[index] = (byte)((ipBs.length << 4) + portBs.length) ;
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bytes = ByteUtil.bytesMerge(bytes, bs) ;
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bytes = ByteUtil.bytesMerge(bytes, ipBs) ;
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bytes = ByteUtil.bytesMerge(bytes, portBs) ;
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byte[] bs1 = new byte[7] ;
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index = 0;
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GlCreate.createPw(bs1, index);
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index += 2 ;
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GlCreate.createS2D(bs1, index) ;
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index += 4 ;
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bs1[index] = 0 ; //时延
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bytes = ByteUtil.bytesMerge(bytes, bs1) ;
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}else{
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throw new Exception("下行命令参数据为null") ;
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}
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GlCreate.createLen(bytes);//长度放字节数组中
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byte[] bsTail = GlCreate.createCrcTail(bytes) ;//CRC和尾
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bytes = ByteUtil.bytesMerge(bytes, bsTail) ;
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return bytes ;
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}
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}
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