Update UdpTimedSender.cs

Author: Sane4ka126

EchoTspServer/Services/UdpTimedSender.cs

@@ -15,6 +15,7 @@ public class UdpTimedSender : IDisposable
         private readonly UdpClient _udpClient;
         private Timer? _timer;
         private ushort _counter = 0;
+        private readonly Random _random = new Random(); // Створюємо один раз як поле класу
 
         public UdpTimedSender(string host, int port, ILogger logger)
         {
@@ -28,17 +29,15 @@ public void StartSending(int intervalMilliseconds)
         {
             if (_timer != null)
                 throw new InvalidOperationException("Sender is already running.");
-
             _timer = new Timer(SendMessageCallback, null, 0, intervalMilliseconds);
         }
 
         private void SendMessageCallback(object? state)
         {
             try
             {
-                Random rnd = new Random();
                 byte[] samples = new byte[1024];
-                rnd.NextBytes(samples);
+                _random.NextBytes(samples); // Використовуємо поле класу замість локальної змінної
                 _counter++;
 
                 byte[] msg = (new byte[] { 0x04, 0x84 })
@@ -47,7 +46,6 @@ private void SendMessageCallback(object? state)
                     .ToArray();
 
                 var endpoint = new IPEndPoint(IPAddress.Parse(_host), _port);
-
                 _udpClient.Send(msg, msg.Length, endpoint);
                 _logger.Log($"Message sent to {_host}:{_port}");
             }