add some doc and jtag controller

server/src/UdpServer.cs

@@ -2,12 +2,29 @@ using System.Net;
 using System.Net.Sockets;
 using System.Text;
 
+public struct UDPData
+{
+    public DateTime datetime;
+    public string addr;
+    public int port;
+    public byte[] data;
+}
+
+/// <summary>
+/// UDP Server
+/// </summary>
 public class UDPServer
 {
     private int listenPort;
     private UdpClient listener;
     private IPEndPoint groupEP;
+    private Dictionary<string, UDPData> udpData = new Dictionary<string, UDPData>();
 
+    /// <summary>
+    /// Construct a udp server with fixed port
+    /// </summary>
+    /// <param name="port"> Device UDP Port </param>
+    /// <returns> UDPServer class </returns>
     public UDPServer(int port)
     {
         // Construction
@@ -31,9 +48,31 @@ public class UDPServer
     {
         var remoteEP = new IPEndPoint(IPAddress.Any, listenPort);
         byte[] bytes = listener.EndReceive(res, ref remoteEP);
+        var nowtime = DateTime.Now;
 
+        // Handle RemoteEP
+        string remoteStr;
+        if (remoteEP is not null)
+        {
+            var remoteAddress = remoteEP.Address.ToString();
+            var remotePort = remoteEP.Port;
+            // Record UDP Receive Data
+            udpData.Add(remoteAddress, new UDPData()
+            {
+                addr = remoteAddress,
+                port = remotePort,
+                data = bytes,
+                datetime = nowtime,
+            });
+            remoteStr = $"{remoteAddress}:{remotePort}";
+        }
+        else
+        {
+            remoteStr = "Unknown";
+        }
+
+        // Handle Package
         var sign = bytes[0];
-
         string recvData;
         if (sign == (byte)WebProtocol.PackSign.SendAddr)
         {
@@ -60,8 +99,7 @@ public class UDPServer
             recvData = Encoding.ASCII.GetString(bytes, 0, bytes.Length);
         }
 
-        string remoteStr = (remoteEP is null) ? "Unknown" : $"{remoteEP.Address.ToString()}:{remoteEP.Port.ToString()}";
-        Console.WriteLine($"Receive Data from {remoteStr} at {DateTime.Now.ToString()}:");
+        Console.WriteLine($"Receive Data from {remoteStr} at {nowtime.ToString()}:");
         Console.WriteLine($"Original Data: {BitConverter.ToString(bytes).Replace("-", " ")}");
         if (recvData.Length != 0) Console.WriteLine(recvData);
         Console.WriteLine();
@@ -69,6 +107,10 @@ public class UDPServer
         listener.BeginReceive(new AsyncCallback(ReceiveHandler), null);
     }
 
+    /// <summary>
+    /// Start UDP Server
+    /// </summary>
+    /// <returns>None</returns>
     public void Start()
     {
         try
@@ -85,6 +127,10 @@ public class UDPServer
         }
     }
 
+    /// <summary>
+    /// Close UDP Server
+    /// </summary>
+    /// <returns>None</returns>
     public void Stop()
     {
         listener.Close();