nhet_cn_back_vehicle/BrakeMachine/Brack/BrackMgr.cs

using System;
using System.Diagnostics;
using System.Runtime.InteropServices;
using NetSDKCS;


namespace BrakeMachine.Brack
{
    public class BrackMgr
    {
        private static fDisConnectCallBack m_DisConnectCallBack;
        private static fHaveReConnectCallBack m_ReConnectCallBack;
        private static fAnalyzerDataCallBack m_AnalyzerDataCallBack;

        private static IntPtr m_LoginID = IntPtr.Zero;
        private static NET_DEVICEINFO_Ex m_DeviceInfo;
        private static Int64 m_ID = 1;
        private static IntPtr m_EventID = IntPtr.Zero;
        private static int passage = 1;//通道

        private const int m_WaitTime = 5000;
        
        #region 连接

        /// <summary>
        /// 连接
        /// </summary>
        /// <returns></returns>
        public static void Connect()
        {
            IntelligentTrafficDemo();//加载准备事件
            Login();//登录
            subscribe(); //

        }
        private static void IntelligentTrafficDemo()
        {
            m_AnalyzerDataCallBack = new fAnalyzerDataCallBack(AnalyzerDataCallBack);
            try
            {
                NETClient.Init(m_DisConnectCallBack, IntPtr.Zero, null);
                NETClient.SetAutoReconnect(m_ReConnectCallBack, IntPtr.Zero);
            }
            catch (Exception ex)
            {
                Process.GetCurrentProcess().Kill();
            }
        }
        
        private static int AnalyzerDataCallBack(IntPtr lAnalyzerHandle, uint dwEventType, IntPtr pEventInfo, IntPtr pBuffer, uint dwBufSize, IntPtr dwUser, int nSequence, IntPtr reserved)
        {
            EM_EVENT_IVS_TYPE type = (EM_EVENT_IVS_TYPE)dwEventType;
            switch (type)
            {
                case EM_EVENT_IVS_TYPE.TRAFFICJUNCTION:
                    {
                        NET_DEV_EVENT_TRAFFICJUNCTION_INFO info = (NET_DEV_EVENT_TRAFFICJUNCTION_INFO)Marshal.PtrToStructure(pEventInfo, typeof(NET_DEV_EVENT_TRAFFICJUNCTION_INFO));
                        EventInfo eventInfo = new EventInfo();
                        eventInfo.ID = m_ID.ToString();
                        eventInfo.Time = info.UTC.ToString();
                        eventInfo.Type = "junction(卡口)";
                        eventInfo.GroupID = info.stuFileInfo.nGroupId.ToString();
                        eventInfo.Index = info.stuFileInfo.bIndex.ToString();
                        eventInfo.Count = info.stuFileInfo.bCount.ToString();
                        eventInfo.PlateNumber = info.stTrafficCar.szPlateNumber;
                        eventInfo.PlateColor = info.stTrafficCar.szPlateColor;
                        eventInfo.PlateType = info.stTrafficCar.szPlateType;
                        eventInfo.VehicleColor = info.stTrafficCar.szVehicleColor;
                        eventInfo.VehicleSize = GetVehicleSize((EM_VehicleSizeType)info.stTrafficCar.nVehicleSize);
                        eventInfo.VehicleType = System.Text.Encoding.Default.GetString(info.stuVehicle.szObjectSubType);
                        eventInfo.LaneNumber = info.stTrafficCar.nLane.ToString();
                        eventInfo.Address = Marshal.PtrToStringAnsi(info.stTrafficCar.szDeviceAddress);
                        eventInfo.FileLenth = info.stuObject.stPicInfo.dwFileLenth;
                        eventInfo.OffSet = info.stuObject.stPicInfo.dwOffSet;
                        eventInfo.BoundingBox = info.stuObject.BoundingBox;
                        if (IntPtr.Zero != pBuffer && dwBufSize > 0)
                        {
                            eventInfo.Buffer = new byte[dwBufSize];
                            Marshal.Copy(pBuffer, eventInfo.Buffer, 0, (int)dwBufSize);
                        }
                        //this.BeginInvoke((Action<EventInfo>)UpdateUI, eventInfo);
                        m_ID++;
                        break;
                    }
                case EM_EVENT_IVS_TYPE.TRAFFIC_MANUALSNAP:
                    {
                        NET_DEV_EVENT_TRAFFIC_MANUALSNAP_INFO info = (NET_DEV_EVENT_TRAFFIC_MANUALSNAP_INFO)Marshal.PtrToStructure(pEventInfo, typeof(NET_DEV_EVENT_TRAFFIC_MANUALSNAP_INFO));
                        EventInfo eventInfo = new EventInfo();
                        eventInfo.ID = m_ID.ToString();
                        eventInfo.Time = info.UTC.ToString();
                        eventInfo.Type = "manual snap(手动抓拍)";
                        eventInfo.GroupID = info.stuFileInfo.nGroupId.ToString();
                        eventInfo.Index = info.stuFileInfo.bIndex.ToString();
                        eventInfo.Count = info.stuFileInfo.bCount.ToString();
                        eventInfo.PlateNumber = info.stTrafficCar.szPlateNumber;
                        eventInfo.PlateColor = info.stTrafficCar.szPlateColor;
                        eventInfo.PlateType = info.stTrafficCar.szPlateType;
                        eventInfo.VehicleColor = info.stTrafficCar.szVehicleColor;
                        eventInfo.VehicleSize = GetVehicleSize((EM_VehicleSizeType)info.stTrafficCar.nVehicleSize);
                        eventInfo.VehicleType = System.Text.Encoding.Default.GetString(info.stuVehicle.szObjectSubType);
                        eventInfo.LaneNumber = info.stTrafficCar.nLane.ToString();
                        eventInfo.Address = Marshal.PtrToStringAnsi(info.stTrafficCar.szDeviceAddress);
                        eventInfo.FileLenth = info.stuObject.stPicInfo.dwFileLenth;
                        eventInfo.OffSet = info.stuObject.stPicInfo.dwOffSet;
                        eventInfo.BoundingBox = info.stuObject.BoundingBox;
                        if (IntPtr.Zero != pBuffer && dwBufSize > 0)
                        {
                            eventInfo.Buffer = new byte[dwBufSize];
                            Marshal.Copy(pBuffer, eventInfo.Buffer, 0, (int)dwBufSize);
                        }
                        //this.BeginInvoke((Action<EventInfo>)UpdateUI, eventInfo);
                        m_ID++;
                        break;
                    }
                
                default:
                    Console.WriteLine(dwEventType.ToString("X"));
                    break;
            }
            return 0;
        }


        private static bool Login()
        {
            if (IntPtr.Zero == m_LoginID)
            {
                ushort port = 37777;
                string ip = "";
                string name = "";
                string pwd = "";
                m_DeviceInfo = new NET_DEVICEINFO_Ex();
                m_LoginID = NETClient.LoginWithHighLevelSecurity(ip, port, name, pwd, EM_LOGIN_SPAC_CAP_TYPE.TCP, IntPtr.Zero, ref m_DeviceInfo);
                if (IntPtr.Zero == m_LoginID)
                {
                    return false;
                }

                return true;//登录成功
            }
            else
            {
                bool result = NETClient.Logout(m_LoginID);
                if (!result)
                {
                    return false;
                }
                m_LoginID = IntPtr.Zero;
                return true;//登录成功
            }
        }

        #endregion

        #region 订阅

        /// <summary>
        /// 订阅
        /// </summary>
        private static void subscribe()
        {
            if (IntPtr.Zero == m_EventID)
            {
                m_ID = 1;
                m_EventID = NETClient.RealLoadPicture(m_LoginID, passage, (uint)EM_EVENT_IVS_TYPE.ALL, true, m_AnalyzerDataCallBack, m_LoginID, IntPtr.Zero);
                if (IntPtr.Zero == m_EventID)
                {
                    return;
                }
            }
            else
            {
                bool ret = NETClient.StopLoadPic(m_EventID);
                if (!ret)
                {
                    return;
                }
                m_EventID = IntPtr.Zero;
            }
        }

        #endregion

        #region 手动抓拍

        public static void Manualsnap()
        {
            NET_MANUAL_SNAP_PARAMETER par = new NET_MANUAL_SNAP_PARAMETER();
            par.byReserved = new byte[60];
            par.nChannel = passage;
            par.bySequence = "";
            IntPtr parPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(NET_MANUAL_SNAP_PARAMETER)));
            Marshal.StructureToPtr(par, parPtr, true);

            bool ret = NETClient.ControlDevice(m_LoginID, EM_CtrlType.MANUAL_SNAP, parPtr, m_WaitTime);
            Marshal.FreeHGlobal(parPtr);
            if (!ret)
            {
                return;
            }
        }

        #endregion
        
     
        
        private static string GetVehicleSize(EM_VehicleSizeType nVehicleSize)
        {
            string result = "UnKnow(未知)";
            switch (nVehicleSize)
            {
                case EM_VehicleSizeType.UnKnow:
                    break;
                case EM_VehicleSizeType.Light_Duty:
                    result = "Light-duty(小型车)";
                    break;
                case EM_VehicleSizeType.Medium:
                    result = "Medium(中型车)";
                    break;
                case EM_VehicleSizeType.Oversize:
                    result = "Oversize(大型车)";
                    break;
                case EM_VehicleSizeType.Minisize:
                    result = "Minisize(微型车)";
                    break;
                case EM_VehicleSizeType.Largesize:
                    result = "Largesize(长车)";
                    break;
                default:
                    break;
            }
            return result;
        }
    }
}