fix: 修复删除过多东西导致无法读取数据的问题

server/src/UdpServer.cs

@@ -192,34 +192,44 @@ public class UDPServer
         UDPData? data = null;
         var key = $"{ipAddr}-{taskID}";
 
-        try
+        var startTime = DateTime.Now;
+        var isTimeout = false;
+        while (!isTimeout)
         {
-            using (await udpDataLock.AcquireWriteLockAsync(TimeSpan.FromMilliseconds(timeout)))
+            var elapsed = DateTime.Now - startTime;
+            isTimeout = elapsed >= TimeSpan.FromMilliseconds(timeout);
+            if (isTimeout) break;
+
+            try
             {
-                if (udpData.TryGetValue(key, out var sortedList) && sortedList.Count > 0)
+                using (await udpDataLock.AcquireWriteLockAsync(TimeSpan.FromMilliseconds(timeout)))
                 {
-                    // 获取最早的数据（第一个元素）
-                    var firstKey = sortedList.Keys[0];
-                    data = sortedList[firstKey];
-                    sortedList.RemoveAt(0);
+                    if (udpData.TryGetValue(key, out var sortedList) && sortedList.Count > 0)
+                    {
+                        // 获取最早的数据（第一个元素）
+                        var firstKey = sortedList.Keys[0];
+                        data = sortedList[firstKey];
+                        sortedList.RemoveAt(0);
+                    }
                 }
             }
-
-            if (data is null)
+            catch
             {
                 logger.Trace("Get nothing even after time out");
                 return new(null);
             }
-            else
-            {
-                return new(data.DeepClone());
-            }
         }
-        catch
+
+
+        if (data is null)
         {
             logger.Trace("Get nothing even after time out");
             return new(null);
         }
+        else
+        {
+            return new(data.DeepClone());
+        }
     }
 
     /// <summary>
@@ -234,36 +244,45 @@ public class UDPServer
         List<UDPData>? data = null;
         var key = $"{ipAddr}-{taskID}";
 
-        try
+
+        var startTime = DateTime.Now;
+        var isTimeout = false;
+        while (!isTimeout)
         {
-            using (await udpDataLock.AcquireWriteLockAsync(TimeSpan.FromMilliseconds(timeout)))
+            var elapsed = DateTime.Now - startTime;
+            isTimeout = elapsed >= TimeSpan.FromMilliseconds(timeout);
+            if (isTimeout) break;
+
+            try
             {
-                if (udpData.TryGetValue(key, out var sortedList) && sortedList.Count > 0)
+                using (await udpDataLock.AcquireWriteLockAsync(TimeSpan.FromMilliseconds(timeout)))
                 {
-                    data = new List<UDPData>(sortedList.Values);
-                    // 输出数据
-                    // PrintDataArray(data);
-                    sortedList.Clear();
+                    if (udpData.TryGetValue(key, out var sortedList) && sortedList.Count > 0)
+                    {
+                        data = new List<UDPData>(sortedList.Values);
+                        // 输出数据
+                        // PrintDataArray(data);
+                        sortedList.Clear();
+                    }
+
                 }
-
             }
-
-            if (data is null)
+            catch
             {
                 logger.Trace("Get nothing even after time out");
                 return new(null);
             }
-            else
-            {
-                return new(data);
-            }
         }
-        catch
+
+        if (data is null)
         {
             logger.Trace("Get nothing even after time out");
             return new(null);
         }
-
+        else
+        {
+            return new(data);
+        }
     }
 
     /// <summary>