fix: 修复获取主机ip错误的问题

server/src/Controllers/NetConfigController.cs

@@ -153,7 +153,7 @@ public class NetConfigController : ControllerBase
         try
         {
             var netConfig = new NetConfig(BOARD_IP, BOARD_PORT, 0);
-            
+
             var hostIPResult = await netConfig.GetHostIP();
             var boardIPResult = await netConfig.GetBoardIP();
             var hostMACResult = await netConfig.GetHostMAC();
@@ -345,7 +345,8 @@ public class NetConfigController : ControllerBase
     {
         try
         {
-            // 获取本机第一个有效的IPv4地址
+            // 获取所有本机IPv4地址，并选择与实验板IP前三段相同的IP
+            var boardIpSegments = BOARD_IP.Split('.').Take(3).ToArray();
             var ip = System.Net.NetworkInformation.NetworkInterface
                 .GetAllNetworkInterfaces()
                 .Where(nic => nic.OperationalStatus == System.Net.NetworkInformation.OperationalStatus.Up
@@ -353,7 +354,14 @@ public class NetConfigController : ControllerBase
                 .SelectMany(nic => nic.GetIPProperties().UnicastAddresses)
                 .Where(addr => addr.Address.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)
                 .Select(addr => addr.Address)
-                .FirstOrDefault();
+                .FirstOrDefault(addr =>
+                {
+                    var segments = addr.ToString().Split('.');
+                    return segments.Length == 4 &&
+                           segments[0] == boardIpSegments[0] &&
+                           segments[1] == boardIpSegments[1] &&
+                           segments[2] == boardIpSegments[2];
+                });
 
             if (ip == null)
                 return StatusCode(StatusCodes.Status500InternalServerError, "无法获取本机IP地址");

server/src/Peripherals/NetConfigClient.cs

@@ -54,6 +54,13 @@ public class NetConfig
         // 清除UDP服务器接收缓冲区
         MsgBus.UDPServer.ClearUDPData(this.address, this.taskID);
 
+        // 刷新ARP
+        var refrshRet = await Arp.UpdateArpEntryByPingAsync(this.address);
+        if (!refrshRet)
+        {
+            logger.Warn($"Refrash Arp failed, but maybe not a big deal.");
+        }
+
         var ipBytes = ip.GetAddressBytes();
 
         var ret = await UDPClientPool.WriteAddrSeq(this.ep, this.taskID, NetConfigAddr.HOST_IP, ipBytes, this.timeout);
@@ -98,6 +105,13 @@ public class NetConfig
         // 清除UDP服务器接收缓冲区
         MsgBus.UDPServer.ClearUDPData(this.address, this.taskID);
 
+        // 刷新ARP
+        var refrshRet = await Arp.UpdateArpEntryByPingAsync(this.address);
+        if (!refrshRet)
+        {
+            logger.Warn($"Refrash Arp failed, but maybe not a big deal.");
+        }
+
         var ipBytes = ip.GetAddressBytes();
 
         var ret = await UDPClientPool.WriteAddrSeq(this.ep, this.taskID, NetConfigAddr.BOARD_IP, ipBytes, this.timeout);
@@ -146,6 +160,13 @@ public class NetConfig
 
         // 清除UDP服务器接收缓冲区
         MsgBus.UDPServer.ClearUDPData(this.address, this.taskID);
+        
+        // 刷新ARP
+        var refrshRet = await Arp.UpdateArpEntryByPingAsync(this.address);
+        if (!refrshRet)
+        {
+            logger.Warn($"Refrash Arp failed, but maybe not a big deal.");
+        }
 
         var ret = await UDPClientPool.WriteAddrSeq(this.ep, this.taskID, NetConfigAddr.HOST_MAC, macAddress, this.timeout);
         if (!ret.IsSuccessful)
@@ -193,6 +214,13 @@ public class NetConfig
 
         // 清除UDP服务器接收缓冲区
         MsgBus.UDPServer.ClearUDPData(this.address, this.taskID);
+        
+        // 刷新ARP
+        var refrshRet = await Arp.UpdateArpEntryByPingAsync(this.address);
+        if (!refrshRet)
+        {
+            logger.Warn($"Refrash Arp failed, but maybe not a big deal.");
+        }
 
         var ret = await UDPClientPool.WriteAddrSeq(this.ep, this.taskID, NetConfigAddr.BOARD_MAC, macAddress, this.timeout);
         if (!ret.IsSuccessful)
@@ -234,6 +262,13 @@ public class NetConfig
     {
         // 清除UDP服务器接收缓冲区
         MsgBus.UDPServer.ClearUDPData(this.address, this.taskID);
+        
+        // 刷新ARP
+        var refrshRet = await Arp.UpdateArpEntryByPingAsync(this.address);
+        if (!refrshRet)
+        {
+            logger.Warn($"Refrash Arp failed, but maybe not a big deal.");
+        }
 
         var ret = await UDPClientPool.ReadAddrSeq(this.ep, this.taskID, NetConfigAddr.HOST_IP, this.timeout);
         if (!ret.IsSuccessful)
@@ -261,6 +296,13 @@ public class NetConfig
     {
         // 清除UDP服务器接收缓冲区
         MsgBus.UDPServer.ClearUDPData(this.address, this.taskID);
+        
+        // 刷新ARP
+        var refrshRet = await Arp.UpdateArpEntryByPingAsync(this.address);
+        if (!refrshRet)
+        {
+            logger.Warn($"Refrash Arp failed, but maybe not a big deal.");
+        }
 
         var ret = await UDPClientPool.ReadAddrSeq(this.ep, this.taskID, NetConfigAddr.BOARD_IP, this.timeout);
         if (!ret.IsSuccessful)
@@ -289,6 +331,13 @@ public class NetConfig
         // 清除UDP服务器接收缓冲区
         MsgBus.UDPServer.ClearUDPData(this.address, this.taskID);
 
+        // 刷新ARP
+        var refrshRet = await Arp.UpdateArpEntryByPingAsync(this.address);
+        if (!refrshRet)
+        {
+            logger.Warn($"Refrash Arp failed, but maybe not a big deal.");
+        }
+
         var ret = await UDPClientPool.ReadAddrSeq(this.ep, this.taskID, NetConfigAddr.HOST_MAC, this.timeout);
         if (!ret.IsSuccessful)
         {
@@ -315,6 +364,13 @@ public class NetConfig
     {
         // 清除UDP服务器接收缓冲区
         MsgBus.UDPServer.ClearUDPData(this.address, this.taskID);
+        
+        // 刷新ARP
+        var refrshRet = await Arp.UpdateArpEntryByPingAsync(this.address);
+        if (!refrshRet)
+        {
+            logger.Warn($"Refrash Arp failed, but maybe not a big deal.");
+        }
 
         var ret = await UDPClientPool.ReadAddrSeq(this.ep, this.taskID, NetConfigAddr.BOARD_MAC, this.timeout);
         if (!ret.IsSuccessful)