xicheji/hk/IPChannelConfig.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;

namespace xicheji
{
    public partial class IPChannelConfig : Form
    {
        public CHCNetSDK.NET_DVR_IPPARACFG_V40 m_struIPParaCfgV40 = new CHCNetSDK.NET_DVR_IPPARACFG_V40();
        private CHCNetSDK.NET_DVR_IPCHANINFO m_struChanInfo = new CHCNetSDK.NET_DVR_IPCHANINFO();
        private CHCNetSDK.NET_DVR_IPCHANINFO_V40 m_struChanInfoV40 = new CHCNetSDK.NET_DVR_IPCHANINFO_V40();
        private CHCNetSDK.NET_DVR_IPC_PROTO_LIST m_struProtoList = new CHCNetSDK.NET_DVR_IPC_PROTO_LIST();
        private CHCNetSDK.NET_DVR_GET_STREAM_UNION m_struStreamUnion = new CHCNetSDK.NET_DVR_GET_STREAM_UNION();
        public int iIPDevIndex = -1;
        public int iChanIndex = 0;
        public uint dwUnionSize = 0;
        public Int32 m_lUserID = -1;

        public CHCNetSDK.NET_DVR_PROTO_TYPE m_struProtoType = new CHCNetSDK.NET_DVR_PROTO_TYPE();

        public IPChannelConfig()
        {
            InitializeComponent();
            dwUnionSize = (uint)Marshal.SizeOf(m_struStreamUnion);//联合体大小 
        }

        private void btnSet_Click(object sender, EventArgs e)
        {
            /***********************************************************
             * 添加IP通道或者修改IP通道配置
             * **********************************************************/

            if (iIPDevIndex < 0)
            { 
                //如果该IP通道空闲，新增IP通道，选择空闲设备ID
                for(int i=0;i<64;i++)
                    if (m_struIPParaCfgV40.struIPDevInfo[i].byEnable==0)
                    {
                        iIPDevIndex = i;
                        break;
                    }            
            }

            m_struIPParaCfgV40.struIPDevInfo[iIPDevIndex].byEnable = 1;//该IP设备是否启用 
            
            //设备（厂家）协议类型,通过NET_DVR_GetIPCProtoList获取
            m_struIPParaCfgV40.struIPDevInfo[iIPDevIndex].byProType = (byte)m_struProtoList.struProto[comboBoxFactory.SelectedIndex].dwType;

            //前端设备IP地址 
            byte[] byIpV4 = System.Text.Encoding.Default.GetBytes(textBoxIPAddr.Text);
            m_struIPParaCfgV40.struIPDevInfo[iIPDevIndex].struIP.sIpV4 = new byte[16];
            byIpV4.CopyTo(m_struIPParaCfgV40.struIPDevInfo[iIPDevIndex].struIP.sIpV4, 0);

            m_struIPParaCfgV40.struIPDevInfo[iIPDevIndex].wDVRPort = UInt16.Parse(textBoxPort.Text);//前端设备端口

            //前端设备用户名
            byte[] byUserName = System.Text.Encoding.Default.GetBytes(textBoxUserName.Text);
            m_struIPParaCfgV40.struIPDevInfo[iIPDevIndex].sUserName = new byte[32];
            byUserName.CopyTo(m_struIPParaCfgV40.struIPDevInfo[iIPDevIndex].sUserName, 0);

            //前端设备密码
            byte[] byPsw = System.Text.Encoding.Default.GetBytes(textBoxPsw.Text);
            m_struIPParaCfgV40.struIPDevInfo[iIPDevIndex].sPassword = new byte[16];
            byPsw.CopyTo(m_struIPParaCfgV40.struIPDevInfo[iIPDevIndex].sPassword, 0);

            switch (m_struIPParaCfgV40.struStreamMode[iChanIndex].byGetStreamType)
            {
                case 0://直接从设备取流，对应联合体中结构NET_DVR_IPCHANINFO
                    m_struChanInfo.byEnable = 1;
                    m_struChanInfo.byIPID = Convert.ToByte((iIPDevIndex + 1) % 256);
                    m_struChanInfo.byChannel = byte.Parse(textBoxChannel.Text);
                    IntPtr ptrChanInfo = Marshal.AllocHGlobal((Int32)dwUnionSize);
                    Marshal.StructureToPtr(m_struChanInfo, ptrChanInfo, false);
                    m_struIPParaCfgV40.struStreamMode[iChanIndex].uGetStream = (CHCNetSDK.NET_DVR_GET_STREAM_UNION)Marshal.PtrToStructure(ptrChanInfo, typeof(CHCNetSDK.NET_DVR_GET_STREAM_UNION));
                    Marshal.FreeHGlobal(ptrChanInfo);
                    break;
                case 6: //直接从设备取流(扩展)，对应联合体中结构NET_DVR_IPCHANINFO_V40 
                    m_struChanInfoV40.byEnable = 1;
                    m_struChanInfoV40.wIPID = Convert.ToUInt16(iIPDevIndex + 1);
                    m_struChanInfoV40.dwChannel = Convert.ToUInt32(textBoxChannel.Text);
                    m_struChanInfoV40.byTransProtocol = (byte)comboBoxProtocol.SelectedIndex;
                    m_struChanInfoV40.byTransMode = (byte)comboBoxStream.SelectedIndex;
                    IntPtr ptrChanInfoV40 = Marshal.AllocHGlobal((Int32)dwUnionSize);
                    Marshal.StructureToPtr(m_struChanInfoV40, ptrChanInfoV40, false);
                    m_struIPParaCfgV40.struStreamMode[iChanIndex].uGetStream = (CHCNetSDK.NET_DVR_GET_STREAM_UNION)Marshal.PtrToStructure(ptrChanInfoV40, typeof(CHCNetSDK.NET_DVR_GET_STREAM_UNION));
                    Marshal.FreeHGlobal(ptrChanInfoV40);
                    break;
                default:
                    break;
            }

            int nSize = Marshal.SizeOf(m_struIPParaCfgV40);
            IntPtr ptrIPParaCfgV40 = Marshal.AllocHGlobal(nSize);
            Marshal.StructureToPtr(m_struIPParaCfgV40, ptrIPParaCfgV40, false);

            int iGroupNo = 0;
            if (!CHCNetSDK.NET_DVR_SetDVRConfig(m_lUserID, CHCNetSDK.NET_DVR_SET_IPPARACFG_V40, iGroupNo, ptrIPParaCfgV40, (UInt32)nSize))
            {
                uint iLastErr = CHCNetSDK.NET_DVR_GetLastError();
                string str = "NET_DVR_SET_IPPARACFG_V40 failed, error code= " + iLastErr;
                MessageBox.Show(str);
                //获取IP资源配置信息失败，输出错误号 Failed to get configuration of IP channels and output the error code
            }
            else 
            {
                MessageBox.Show("IP通道配置成功!");                 
            }
            Marshal.FreeHGlobal(ptrIPParaCfgV40);
        }

        private void IPChannelConfig_Load(object sender, EventArgs e)
        {
            int i = 0;
            
            //获取设备支持IPC协议列表
            if (CHCNetSDK.NET_DVR_GetIPCProtoList(m_lUserID, ref m_struProtoList))
            {
                for (i = 0; i < (int)m_struProtoList.dwProtoNum; i++)
                {
                    comboBoxFactory.Items.Add(m_struProtoList.struProto[i].byDescribe);
                }
            }

            comboBoxStreamType.SelectedIndex = 0;
            comboBoxFactory.SelectedIndex = 0;
            comboBoxStream.SelectedIndex = 0;
            comboBoxProtocol.SelectedIndex = 0;

            /***********************************************************
             * 显示当前IP通道配置
             * **********************************************************/
            if (iIPDevIndex < 0)
            {
                //该通道未添加有设备，空闲状态
                return;
            }

            comboBoxStreamType.SelectedIndex = m_struIPParaCfgV40.struStreamMode[iChanIndex].byGetStreamType;//取流方式
            textBoxIPAddr.Text = System.Text.Encoding.UTF8.GetString(m_struIPParaCfgV40.struIPDevInfo[iIPDevIndex].struIP.sIpV4);//前端设备IP地址
            textBoxPort.Text = Convert.ToString(m_struIPParaCfgV40.struIPDevInfo[iIPDevIndex].wDVRPort);//前端设备端口
            textBoxUserName.Text = System.Text.Encoding.UTF8.GetString(m_struIPParaCfgV40.struIPDevInfo[iIPDevIndex].sUserName);//前端设备用户名
            textBoxPsw.Text = System.Text.Encoding.UTF8.GetString(m_struIPParaCfgV40.struIPDevInfo[iIPDevIndex].sPassword);//前端设备密码
            for (i = 0; i < (int)m_struProtoList.dwProtoNum; i++)
            {
                //设备（厂家）协议类型,通过NET_DVR_GetIPCProtoList获取
                if (m_struProtoList.struProto[i].dwType == m_struIPParaCfgV40.struIPDevInfo[iIPDevIndex].byProType)
                {
                    comboBoxFactory.SelectedIndex = i;
                }
            }

            switch (m_struIPParaCfgV40.struStreamMode[iChanIndex].byGetStreamType)
            {
                case 0: //直接从设备取流，对应联合体中结构NET_DVR_IPCHANINFO
                    IntPtr ptrChanInfo = Marshal.AllocHGlobal((Int32)dwUnionSize);
                    Marshal.StructureToPtr(m_struIPParaCfgV40.struStreamMode[iChanIndex].uGetStream, ptrChanInfo, false);
                    m_struChanInfo = (CHCNetSDK.NET_DVR_IPCHANINFO)Marshal.PtrToStructure(ptrChanInfo, typeof(CHCNetSDK.NET_DVR_IPCHANINFO));
                    textBoxChannel.Text = Convert.ToString(m_struChanInfo.byChannel);
                    Marshal.FreeHGlobal(ptrChanInfo);
                    break;
                case 6://直接从设备取流(扩展)，对应联合体中结构NET_DVR_IPCHANINFO_V40
                    IntPtr ptrChanInfoV40 = Marshal.AllocHGlobal((Int32)dwUnionSize);
                    Marshal.StructureToPtr(m_struIPParaCfgV40.struStreamMode[iChanIndex].uGetStream, ptrChanInfoV40, false);
                    m_struChanInfoV40 = (CHCNetSDK.NET_DVR_IPCHANINFO_V40)Marshal.PtrToStructure(ptrChanInfoV40, typeof(CHCNetSDK.NET_DVR_IPCHANINFO_V40));
                    textBoxChannel.Text = Convert.ToString(m_struChanInfoV40.dwChannel);
                    comboBoxStream.SelectedIndex = m_struChanInfoV40.byTransMode;
                    comboBoxProtocol.SelectedIndex = m_struChanInfoV40.byTransProtocol;
                    Marshal.FreeHGlobal(ptrChanInfoV40);
                    break;
                default:
                    break;
            }

        }

        private void btnExit_Click(object sender, EventArgs e)
        {
            this.Close();
            this.Dispose(); 
        }

        private void btnDel_Click(object sender, EventArgs e)
        {
            if (iIPDevIndex < 0)
            {
                return; //该通道未添加有设备，空闲状态           
            }

            m_struIPParaCfgV40.struStreamMode[iChanIndex].uGetStream.Init(); //初始化通道参数为0
            m_struIPParaCfgV40.struIPDevInfo[iIPDevIndex] = new CHCNetSDK.NET_DVR_IPDEVINFO_V31();//初始化设备参数为0
            int nSize = Marshal.SizeOf(m_struIPParaCfgV40);
            IntPtr ptrIPParaCfgV40 = Marshal.AllocHGlobal(nSize);
            Marshal.StructureToPtr(m_struIPParaCfgV40, ptrIPParaCfgV40, false);

            int iGroupNo = 0;
            if (!CHCNetSDK.NET_DVR_SetDVRConfig(m_lUserID, CHCNetSDK.NET_DVR_SET_IPPARACFG_V40, iGroupNo, ptrIPParaCfgV40, (UInt32)nSize))
            {
                uint iLastErr = CHCNetSDK.NET_DVR_GetLastError();
                string str = "NET_DVR_SET_IPPARACFG_V40 failed, error code= " + iLastErr;
                MessageBox.Show(str);
                //获取IP资源配置信息失败，输出错误号 Failed to get configuration of IP channels and output the error code
            }
            else
            {
                MessageBox.Show("IP通道删除成功!");
            }

            Marshal.FreeHGlobal(ptrIPParaCfgV40);
        }
    }
}