VRSystem/tmptestproject/BlazorWeb1/Server/HandleData.cs

using AntDesign;
using Microsoft.AspNetCore.Components;
using System.Net.Sockets;
using System.Text;
using static BlazorWeb1.Server.UdpListenerService;

namespace BlazorWeb1.Server
{

    public class HandleData
    {
        private Thread _thread;
       // [Inject] public UdpListenerService udpclient { get; set; }
        //public UdpListenerService udpclient { get; set; } = default!;


        //private readonly UdpListenerService _udpclient;

     

        public HandleData()//UdpListenerService myService)
        {
            //_udpclient = myService;
            // 初始化线程，但不立即启动
            _thread = new Thread(new ThreadStart(Loop));
            _thread.IsBackground = true; // 设置线程为后台线程，程序结束时自动结束
            _thread.Start(); // 启动线程
        }

        private void Loop()
        {
            while (true) // 无限循环
            {
                Console.WriteLine("Looping..."); // 执行一些任务

                try
                {
                    BufferData bd = GlobalTool.g_dataQueue.TryDequeue(out BufferData result) ? result : null;
                    if(bd==null)
                    {
                        continue;
                    }



                    //TQC dest-2;source-2;frame-1;length-2（HEX）;cmd-1
                    //VRC 包头（0xfa）+ 目标地址2+源地址2+控制/帧号1+数据长度2（BCD）+命令字1+数据 + CRC校验2

                    if(bd.type == 0)
                    {
                        int datalength = bd.buffer[5] * 256 + bd.buffer[6];
                        if (datalength + 9 == bd.buffer.Length)
                        {
                            // 计算crc
                            int packlen = bd.buffer.Length;
                            byte[] tmpbuf = bd.buffer;
                            ushort nSum = GlobalTool.chkcrc(tmpbuf, (ushort)(packlen - 2), 0xA001);
                            ushort newSum = nSum;
                            newSum = (ushort)(newSum / 256 + newSum % 256 * 256);
                            ushort oldSum = BitConverter.ToUInt16(tmpbuf, packlen - 2);

                            if (oldSum == newSum)
                            {
                                Console.WriteLine("CRC校验成功");
                            }
                            else
                            {
                                Console.WriteLine("crc校验失败");
                                continue;
                            }
                        }
                        else if (datalength + 9 == bd.buffer.Length + 2)
                        {
                            //旧协议无crc
                        }
                        else
                        {
                            Console.WriteLine("数据长度不对");
                            continue;
                        }
                    }
                    else
                    {
                        int datalength = GlobalTool.ConvertBCDToDecimalSingle(bd.buffer[6]) * 100 + GlobalTool.ConvertBCDToDecimalSingle(bd.buffer[7]);
                        if (datalength + 10 == bd.buffer.Length)
                        {

                        }
                        else
                        {
                            Console.WriteLine("数据长度不对");
                            continue;
                        }
                    }




                    int cmdtype = bd.buffer[7];
                    int startindex = 8;
                    if (bd.type == 1)
                    {
                        cmdtype = bd.buffer[8];
                        startindex = 9;
                    }

                    switch (cmdtype)
                    {
                        case 1:
                            filling_nozzleup up = GlobalTool.extractFillingNozzleUP(bd.buffer, startindex);
                            GlobalTool.g_mNozzleState[up.noz].nozzlestate = GlobalTool.NozzleState_Filling;
                            break;
                        case 2:
                            filling_process process = GlobalTool.extractFillingProcess(bd.buffer, startindex);
                            GlobalTool.g_mNozzleState[process.noz].nozzlestate = GlobalTool.NozzleState_Filling;
                            GlobalTool.g_mNozzleState[process.noz].VLR = ((double)process.VLR / 1000).ToString("F2");
                            break;
                        case 3:
                            filling_nozzledown down = GlobalTool.extractFillingNozzleDown(bd.buffer, startindex);
                            GlobalTool.g_mNozzleState[down.noz].nozzlestate = GlobalTool.NozzleState_Idle;
                            break;
                        case 4:
                            filling_record record = GlobalTool.extractFillingRecord(bd.buffer, startindex);
                            GlobalTool.g_mNozzleState[record.noz].nozzlestate = GlobalTool.NozzleState_Idle;
                            GlobalTool.g_mNozzleState[record.noz].VLR = ((double)record.VLR / 1000).ToString("F2");
                            break;



                        default:
                            continue;
                    }

                    if(bd.type == 0)
                    {
                        var message = Encoding.UTF8.GetString(bd.buffer);
                        //_logger.LogInformation($"接收到消息: {result.Buffer.ToString()}\r\n");

                        byte[] responseData = Encoding.UTF8.GetBytes("Echo: " + message);
                        bd.udpClient.SendAsync(responseData, responseData.Length, bd.endpoint);
                    }
                    else
                    {
                        var message = Encoding.UTF8.GetString(bd.buffer);
                        //_logger.LogInformation($"接收到消息: {result.Buffer.ToString()}\r\n");

                        byte[] responseData = Encoding.UTF8.GetBytes("Echo: " + message);
                        bd.serialPort.Write(responseData, 0, responseData.Length);

                    }




                }
                catch(Exception e)
                {

                }



                Thread.Sleep(50); 
            }
        }
    }
}