315 lines
12 KiB
C#
315 lines
12 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Net;
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using System.Net.NetworkInformation;
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using System.Net.Sockets;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace SLZ_4
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{
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public partial class ConfigDevice : Form
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{
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//UDP广播获取仪器IP地址
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private static byte[] data;
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static string UDPRecvData;
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public bool SocketConn = true;
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public ConfigDevice()
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{
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InitializeComponent();
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getlocalIP();
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}
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public string strlocalIp;
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public string getlocalIP()
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{
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IPAddress localIp = null;
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IPAddress[] ipArray;
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ipArray = Dns.GetHostAddresses(Dns.GetHostName());
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foreach (var item in ipArray)
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{
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if (IpAddressInRange(item.ToString(), "192.168.1.0", "192.168.1.255"))
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{
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strlocalIp = item.ToString();
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}
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}
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localIp = ipArray.First(ip => ip.AddressFamily == AddressFamily.InterNetwork);
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localIP.Text = strlocalIp;
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return strlocalIp;
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}
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/// <summary>
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/// 判断IP地址在不在某个IP地址段
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/// </summary>
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/// <param name="input">需要判断的IP地址</param>
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/// <param name="begin">起始地址</param>
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/// <param name="ends">结束地址</param>
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/// <returns></returns>
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public static bool IpAddressInRange(string input, string begin, string ends)
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{
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uint current = IPToID(input);
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return current >= IPToID(begin) && current <= IPToID(ends);
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}
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private static uint IPToID(string addr)
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{
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if (!IPAddress.TryParse(addr, out var ip))
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{
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return 0;
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}
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byte[] bInt = ip.GetAddressBytes();
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if (BitConverter.IsLittleEndian)
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{
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Array.Reverse(bInt);
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}
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return BitConverter.ToUInt32(bInt, 0);
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}
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private static int BROADCAST_PORT = 9999;
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static List<IPAddress> GetActiveNICsIP()
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{
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List<IPAddress> ips = new List<IPAddress>();
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foreach (NetworkInterface nic in NetworkInterface.GetAllNetworkInterfaces())
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{
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if (nic.OperationalStatus == OperationalStatus.Up &&
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!nic.Description.Contains("Loopback"))
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{
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foreach (UnicastIPAddressInformation ip in nic.GetIPProperties().UnicastAddresses)
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{
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if (ip.Address.AddressFamily == AddressFamily.InterNetwork)
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{
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ips.Add(ip.Address);
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}
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}
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}
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}
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return ips;
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}
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// 为每个网卡创建独立接收线程
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// private static List<Thread> receiveThreads = new List<Thread>();
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static void SendBroadcast(IPAddress localIP, byte[] data)
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{
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using (Socket sender = new Socket(AddressFamily.InterNetwork,
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SocketType.Dgram, ProtocolType.Udp))
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{
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//发送数据
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try
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{
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sender.SetSocketOption(SocketOptionLevel.Socket,
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SocketOptionName.Broadcast, 1);
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sender.Bind(new IPEndPoint(localIP, 0));
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IPEndPoint broadcastEP = new IPEndPoint(IPAddress.Broadcast, BROADCAST_PORT);
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sender.SendTo(data, broadcastEP);
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Console.WriteLine($"已通过 {localIP} 发送广播");
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//FormMain.form.wa.InsertWarningData(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"), "-", "发送广播");
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}
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catch (Exception ex)
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{
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Console.WriteLine($"{localIP} 发送失败: {ex.Message}");
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FormMain.form.wa.InsertWarningData(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"), "-", "发送失败:" + ex.Message);
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}
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//接受数据
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byte[] buffer = new byte[1024];
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sender.ReceiveTimeout = 2000;
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while (true)
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{
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try
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{
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EndPoint remoteEP = new IPEndPoint(IPAddress.Any, 0);
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int bytesRead = sender.ReceiveFrom(buffer, ref remoteEP);
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string message = System.Text.Encoding.UTF8.GetString(buffer, 0, bytesRead);
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Console.WriteLine($"[{localIP}] 接收到来自 {remoteEP}: {message}");
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UDPRecvData += message;
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UDPRecvData += "\n";
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}
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catch (SocketException)
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{
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break;/* 超时处理 */
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}
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catch (Exception ex)
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{
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Console.WriteLine($"[{localIP}] 接收错误: {ex.Message}");
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FormMain.form.wa.InsertWarningData(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"), "-", "接收错误" + ex.Message);
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}
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}
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}
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}
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/// <summary>
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/// UDP广播获取仪器IP地址
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/// </summary>
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public void UDPBroadcast()
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{
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try
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{
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UDPRecvData = "";
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// 获取所有可用网卡IP
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List<IPAddress> localIPs = GetActiveNICsIP();
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if (localIPs.Count == 0)
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{
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Console.WriteLine("No active network interfaces found");
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FormMain.form.wa.InsertWarningData(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"), "-", "没有网络");
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}
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data = Encoding.ASCII.GetBytes("hello,udp server");
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// 发送广播
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foreach (IPAddress localIP in localIPs)
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{
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Thread t = new Thread(() => SendBroadcast(localIP, data));
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t.IsBackground = true;
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t.Start();
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}
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}
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catch (Exception ex)
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{
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//MessageBox.Show("UDP广播:" + ex.Message);
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FormMain.form.wa.InsertWarningData(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"), "-", "UDP广播:" + ex.Message);
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}
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//创建定时器
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System.Timers.Timer timer = new System.Timers.Timer(3000);
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timer.Elapsed += (sender, e) => { UDP_Parse(); };
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timer.AutoReset = false;
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timer.Start();
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}
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public void UDP_Parse()
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{
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try
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{
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if (UDPRecvData.Length > 2)
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{
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UDPRecvData = UDPRecvData.Substring(0, UDPRecvData.Length - 1);
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}
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if (!String.IsNullOrEmpty(UDPRecvData))
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{
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FormMain.form.arrDevParam[0].iSwitch = 0;
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FormMain.form.arrDevParam[1].iSwitch = 0;
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string[] IPData = UDPRecvData.Split('\n');
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IPData = IPData.Distinct().ToArray(); //去掉重复
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int ip_num = IPData.Length;
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if (ip_num > 0)
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{
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for (int i = 0; i < ip_num; i++)
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{
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string[] ipaddress = IPData[i].Split(':');
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int ch_station = Convert.ToInt32(ipaddress[0]);
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switch (ch_station)
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{
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case 1:
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if (ipaddress[1] != FormMain.form.arrDevParam[0].sDevAddr)
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{
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FormMain.form.arrDevParam[0].sDevAddr = ipaddress[1];
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FormMain.form.arrDevParam[0].iSlaveId = ch_station;
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FormMain.form.deleteDevObj(0);
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FormMain.form.arrDevParam[0].iSwitch = 1;
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}
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break;
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case 2:
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if (ipaddress[1] != FormMain.form.arrDevParam[1].sDevAddr)
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{
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FormMain.form.arrDevParam[1].sDevAddr = ipaddress[1];
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FormMain.form.arrDevParam[1].iSlaveId = ch_station;
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FormMain.form.deleteDevObj(1);
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FormMain.form.arrDevParam[1].iSwitch = 1;
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}
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break;
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default:
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break;
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}
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}
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}
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}
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}
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catch (Exception ex)
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{
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//MessageBox.Show("UDP:" + ex.Message);
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FormMain.form.wa.InsertWarningData(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"), "-", "UDP:" + ex.Message);
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}
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bool bSwitch = false;
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//删除设备
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for (int i = 0; i < 2; i++)
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{
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if (FormMain.form.arrDevParam[i].iSwitch == 1)
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{
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FormMain.form.deleteDevObj(i);
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bSwitch = true;
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}
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}
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if (bSwitch)
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{
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Thread.Sleep(200);
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//添加设备
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for (int i = 0; i < 2; i++)
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{
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if (FormMain.form.arrDevParam[i].iSwitch == 1)
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{
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Config.saveDevParam(i);
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FormMain.form.addDevObj(i);
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}
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}
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}
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if (FormMain.form.cfgDevForm.Visible)
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{
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Invoke((MethodInvoker)delegate
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{
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showDevInfo();
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});
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}
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}
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public void showDevInfo()
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{
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if (FormMain.form.arrDevObj[0] != null)
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{
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commStatus1.Text = FormMain.form.arrDevObj[0].bStatus ? "已连接" : "未连接";
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commStatus1.BackColor = FormMain.form.arrDevObj[0].bStatus ? Color.Green : Color.Red;
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labelVersion1.Text = FormMain.form.arrDevObj[0].versionInfo.sSoftWareVersion;
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}
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else
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{
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commStatus1.Text = "";
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commStatus1.BackColor = Color.Transparent;
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}
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ch1IP.Text = FormMain.form.arrDevParam[0].sDevAddr;
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if (FormMain.form.arrDevObj[1] != null)
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{
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commStatus2.Text = FormMain.form.arrDevObj[1].bStatus ? "已连接" : "未连接";
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commStatus2.BackColor = FormMain.form.arrDevObj[1].bStatus ? Color.Green : Color.Red;
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labelVersion2.Text = FormMain.form.arrDevObj[1].versionInfo.sSoftWareVersion;
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}
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else
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{
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commStatus2.Text = "";
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commStatus2.BackColor = Color.Transparent;
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}
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ch2IP.Text = FormMain.form.arrDevParam[1].sDevAddr;
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buttonSearch.Enabled = true;
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}
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private void buttonSearch_Click(object sender, EventArgs e)
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{
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buttonSearch.Enabled = false;
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UDPBroadcast();
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}
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}
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}
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