1 using System;
2 using System.Net;
3 using System.Net.Sockets;
4 using System.Runtime.InteropServices;
5 using System.Threading;
6
7 namespace TestDemo
8 {
9 /// <summary>
10 /// 处理UDP数据的类
11 /// </summary>
12 public class UDP
13 {
14 /// <summary>
15 /// UDP连接对象
16 /// </summary>
17 private UdpClient udpClient;
18
19 /// <summary>
20 /// 创建UDP连接对象
21 /// </summary>
22 public void CreateUdpClient(string ip = null, int port = 0)
23 {
24 // 创建UDP连接
25 if (ip != null)
26 {
27 IPEndPoint iPEndPoint = new IPEndPoint(IPAddress.Parse(ip), port);
28 udpClient = new UdpClient(iPEndPoint);
29 }
30 else
31 {
32 IPEndPoint iPEndPoint = new IPEndPoint(IPAddress.Any, port);
33 udpClient = new UdpClient(iPEndPoint);
34 }
35 // 判断操作系统
36 if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
37 {
38 // Windows 相关逻辑
39 uint IOC_IN = 0x80000000;
40 uint IOC_VENDOR = 0x18000000;
41 uint SIO_UDP_CONNRESET = IOC_IN | IOC_VENDOR | 12;
42 udpClient.Client.IOControl((int)SIO_UDP_CONNRESET, new byte[] { Convert.ToByte(false) }, null);
43 }
44 else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
45 {
46 // Linux 相关逻辑
47 }
48 // 开启多线程接收
49 Thread threadReceive = new Thread(ReceiveMessages);
50 threadReceive.Start();
51 }
52
53 /// <summary>
54 /// UDP接收线程
55 /// </summary>
56 private void ReceiveMessages()
57 {
58 IPEndPoint remoteIPEndPoint = new IPEndPoint(IPAddress.Any, 0);
59 while (true)
60 {
61 try
62 {
63 // 接收数据
64 byte[] receiveBytes = udpClient.Receive(ref remoteIPEndPoint);
65 // IP
66 string ip = remoteIPEndPoint.Address.ToString();
67 // 端口
68 int port = remoteIPEndPoint.Port;
69 // 处理数据（新建线程）
70 Thread threadReceive = new Thread(new ParameterizedThreadStart(delegate { DealData(ip, port, receiveBytes); }));
71 threadReceive.Start();
72 }
73 catch (Exception ex)
74 {
75 Log.WriteError(ex);
76 }
77 }
78 }
79
80 /// <summary>
81 /// 发送数据
82 /// </summary>
83 /// <param name="ip"></param>
84 /// <param name="port"></param>
85 /// <param name="data"></param>
86 public void SendData(string ip, int port, byte[] data)
87 {
88 udpClient.Send(data, data.Length, ip, port);
89 }
90
91 /// <summary>
92 /// 处理数据
93 /// </summary>
94 /// <param name="ip"></param>
95 /// <param name="port"></param>
96 /// <param name="data"></param>
97 private void DealData(string ip, int port, byte[] data)
98 {
99
100 }
101 }
102 }
