JiShe.CollectBus/protocols/JiShe.CollectBus.Protocol.T6452007/T6452007ProtocolPlugin.cs

using JiShe.CollectBus.Common.Enums;
using JiShe.CollectBus.Common.Extensions;
using JiShe.CollectBus.Common.Models;
using JiShe.CollectBus.IotSystems.Protocols;
using JiShe.CollectBus.Protocol.Models;
using JiShe.CollectBus.Protocol.T37612012;
using JiShe.CollectBus.Protocol.T37612012.SendData;
using JiShe.CollectBus.Protocol.T6452007.SendData;
using Mapster;
using Microsoft.Extensions.Logging;
using TouchSocket.Sockets;

namespace JiShe.CollectBus.Protocol.T6452007
{
    /// <summary>
    /// T6452007协议插件
    /// </summary>
    public class T6452007ProtocolPlugin : T37612012ProtocolPlugin
    {
        private readonly ILogger<T6452007ProtocolPlugin> _logger;
         
        public readonly Dictionary<string, Telemetry6452007PacketBuilder.T6452007Delegate> T645ControlHandlers;

        /// <summary>
        /// Initializes a new instance of the <see cref="T6452007ProtocolPlugin"/> class.
        /// </summary>
        /// <param name="serviceProvider">The service provider.</param>
        public T6452007ProtocolPlugin(IServiceProvider serviceProvider, ILogger<T6452007ProtocolPlugin> logger, ITcpService tcpService) : base(serviceProvider, logger, tcpService)
        {
            _logger = logger;
            T645ControlHandlers = Telemetry6452007PacketBuilder.T645ControlHandlers;
        }

        public sealed override ProtocolInfo Info => new(nameof(T6452007ProtocolPlugin), "376.1/645-2007", "TCP", "376.1/645-2007协议", "DTS1980");

        public override async Task<T> AnalyzeAsync<T>(ITcpSessionClient client, string messageReceived, Action<T>? sendAction = null)
        {
            //TODO:645解析报文
            //TB3761? tB3761 = Analysis3761(messageReceived);
            //if (tB3761 != null)
            //{
            //    if (tB3761.AFN_FC?.AFN == (int)AFN.链路接口检测)
            //    {
            //        if (tB3761.A == null || tB3761.A.Code.IsNullOrWhiteSpace() || tB3761.A.A3?.D1_D7 == null || tB3761.SEQ?.PSEQ == null)
            //        {
            //            _logger.LogError($"解析AFN.链路接口检测报文失败,报文：{messageReceived},TB3761:{tB3761.Serialize()}");
            //        }
            //        else
            //        {
            //            if (tB3761.DT?.Fn == (int)FN.登录)
            //            {
            //                // 登录回复
            //                if (tB3761.SEQ.CON == (int)CON.需要对该帧进行确认)
            //                    await LoginAsync(client, messageReceived, tB3761.A.Code, tB3761.A.A3?.D1_D7, tB3761.SEQ?.PSEQ);
            //            }
            //            else if (tB3761.DT?.Fn == (int)FN.心跳)
            //            {
            //                // 心跳回复
            //                //心跳帧有两种情况：
            //                //1. 集中器先有登录帧，再有心跳帧
            //                //2. 集中器没有登录帧，只有心跳帧
            //                await HeartbeatAsync(client, messageReceived, tB3761.A.Code, tB3761.A.A3?.D1_D7, tB3761.SEQ?.PSEQ);
            //            }
            //        }

            //    }
            //    await OnTcpNormalReceived(client, tB3761);
            //}
            //return (tB3761 as T)!;
            return null;
        }

        /// <summary>
        /// 组装报文
        /// </summary>
        /// <param name="request">报文构建参数</param>
        /// <returns></returns>
        public override async Task<ProtocolBuildResponse> BuildAsync(ProtocolBuildRequest request)
        {
            if (request == null)
            {
                _logger.LogError($"{nameof(ProtocolBuildResponse)} 报文构建失败，参数为空");
                return new ProtocolBuildResponse();
            }
            var itemCodeArr = request.ItemCode.Split('_');
            var aFNStr = itemCodeArr[0];
            var aFN = (AFN)aFNStr.HexToDec();
            var fn = int.Parse(itemCodeArr[1]);
            Telemetry3761PacketResponse builderResponse = null;

            List<string> dataUnit = new List<string>();
            //数据转发场景 10H_F1_1CH
            if (aFNStr == "10" && request.SubProtocolRequest != null && string.IsNullOrWhiteSpace(request.SubProtocolRequest.ItemCode) == false)
            {
                var t645PacketHandlerName = $"C{request.SubProtocolRequest.ItemCode}_Send";
                Telemetry6452007PacketResponse t645PacketResponse = null;

                if (T645ControlHandlers != null && T645ControlHandlers.TryGetValue(t645PacketHandlerName
                  , out var t645PacketHandler))
                {
                    t645PacketResponse = t645PacketHandler(new Telemetry6452007PacketRequest()
                    {
                        MeterAddress = request.SubProtocolRequest.MeterAddress,
                        Password = request.SubProtocolRequest.Password,
                        ItemCode = request.SubProtocolRequest.ItemCode,
                    });
                }

                if (t645PacketResponse != null)
                {
                    dataUnit = t645PacketResponse.Data;
                }
            }

            string afnMethonCode = $"AFN{aFNStr}_Fn_Send";
            if (base.T3761AFNHandlers != null && base.T3761AFNHandlers.TryGetValue(afnMethonCode
                    , out var handler))
            {
                builderResponse = handler(new Telemetry3761PacketRequest()
                {
                    FocusAddress = request.FocusAddress,
                    Fn = fn,
                    Pn = request.Pn,
                    DataUnit = dataUnit,
                });
            }

            if (builderResponse == null)
            {
                return new ProtocolBuildResponse();
            }

            var result = builderResponse.Adapt<ProtocolBuildResponse>();
            result.IsSuccess = true;

            return await Task.FromResult(result);
        }


        #region 上行命令

        //68 
        //32 00
        //32 00
        //68
        //C9  1100'1001. 控制域C。
        // D7=1, （终端发送）上行方向。
        // D6=1, 此帧来自启动站。
        // D5=0, (上行方向)要求访问位。表示终端无事件数据等待访问。
        // D4=0, 保留
        // D3~D0=9, 功能码。链路测试

        //20 32  行政区划码
        //90 26  终端地址
        //00 主站地址和组地址标志。终端为单地址。 //3220 09 87 2
        // 终端启动的发送帧的 MSA 应为 0, 其主站响应帧的 MSA 也应为 0.
        //02 应用层功能码。AFN=2, 链路接口检测
        //70 0111'0000. 帧序列域。无时间标签、单帧、需要确认。
        //00 00  信息点。DA1和DA2全为“0”时，表示终端信息点。
        //01 00 信息类。F1, 登录。
        //44  帧尾，包含用户区数据校验和
        //16  帧结束标志

        /// <summary>
        /// 解析上行命令
        /// </summary>
        /// <param name="cmd"></param>
        /// <returns></returns>
        public CommandReulst? AnalysisCmd(string cmd)
        {
            CommandReulst? commandReulst = null;
            var hexStringList = cmd.StringToPairs();

            if (hexStringList.Count < hearderLen)
            {
                return commandReulst;
            }
            //验证起始字符
            if (!hexStringList[0].IsStartStr() || !hexStringList[5].IsStartStr())
            {
                return commandReulst;
            }

            var lenHexStr = $"{hexStringList[2]}{hexStringList[1]}";
            var lenBin = lenHexStr.HexToBin();
            var len = lenBin.Remove(lenBin.Length - 2).BinToDec();
            //验证长度
            if (hexStringList.Count - 2 != hearderLen + len)
                return commandReulst;

            var userDataIndex = hearderLen;
            var c = hexStringList[userDataIndex];//控制域 1字节
            userDataIndex += 1;

            var aHexList = hexStringList.Skip(userDataIndex).Take(5).ToList();//地址域 5字节         
            var a = AnalysisA(aHexList);
            var a3Bin = aHexList[4].HexToBin().PadLeft(8, '0');
            var mSA = a3Bin.Substring(0, 7).BinToDec();
            userDataIndex += 5;

            var aFN = (AFN)hexStringList[userDataIndex].HexToDec();//1字节
            userDataIndex += 1;

            var seq = hexStringList[userDataIndex].HexToBin().PadLeft(8, '0');
            var tpV = (TpV)Convert.ToInt32(seq.Substring(0, 1));
            var fIRFIN = (FIRFIN)Convert.ToInt32(seq.Substring(1, 2));
            var cON = (CON)Convert.ToInt32(seq.Substring(3, 1));
            var prseqBin = seq.Substring(4, 4);
            userDataIndex += 1;

            // (DA2 - 1) * 8 + DA1 = pn           
            var da1Bin = hexStringList[userDataIndex].HexToBin();
            var da1 = da1Bin == "0" ? 0 : da1Bin.Length;
            userDataIndex += 1;
            var da2 = hexStringList[userDataIndex].HexToDec();
            var pn = da2 == 0 ? 0 : (da2 - 1) * 8 + da1;
            userDataIndex += 1;
            //(DT2*8)+DT1=fn
            var dt1Bin = hexStringList[userDataIndex].HexToBin();
            var dt1 = dt1Bin != "0" ? dt1Bin.Length : 0;
            userDataIndex += 1;
            var dt2 = hexStringList[userDataIndex].HexToDec();
            var fn = dt2 * 8 + dt1;
            userDataIndex += 1;

            //数据单元
            var datas = hexStringList.Skip(userDataIndex).Take(len + hearderLen - userDataIndex).ToList();

            //EC
            //Tp
            commandReulst = new CommandReulst()
            {
                A = a,
                MSA = mSA,
                AFN = aFN,
                Seq = new Seq()
                {
                    TpV = tpV,
                    FIRFIN = fIRFIN,
                    CON = cON,
                    PRSEQ = prseqBin.BinToDec(),
                },
                CmdLength = len,
                Pn = pn,
                Fn = fn,
                HexDatas = datas
            };

            return commandReulst;
        }

        /// <summary>
        /// 解析地址
        /// </summary>
        /// <param name="aHexList"></param>
        /// <returns></returns>
        private string AnalysisA(List<string> aHexList)
        {
            var a1 = aHexList[1] + aHexList[0];
            var a2 = aHexList[3] + aHexList[2];
            var a2Dec = a2.HexToDec();
            var a3 = aHexList[4];
            var a = $"{a1}{a2Dec.ToString().PadLeft(5, '0')}";
            return a;
        }
        #endregion
    }
}