Логирование, багфиксы, добавил мониторин /proc/mdstat. Юнит для systemd

ModbusServer.cs

@@ -1,4 +1,5 @@
-using System;
+using NLog;
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Net;
@@ -20,11 +21,14 @@ namespace Barsik
 
 		internal void Run()
 		{
+			var logger = LogManager.GetCurrentClassLogger();
+			logger.Info("Accepting connections on port " + Port);
 			var listener = new TcpListener(IPAddress.Any, Port);
 			listener.Start();
 			while (true)
 			{
 				var client = listener.AcceptTcpClient();
+				logger.Info("Accepted connection from " + client.Client.RemoteEndPoint);
 				var worker = new ModbusServerWorker(registers, client);
 				Thread clientThread = new Thread(new ThreadStart(worker.Run));
 				clientThread.Start();
@@ -38,6 +42,7 @@ namespace Barsik
 
 		private RegistersContainer registers;
 		private TcpClient client;
+		private static Logger logger = LogManager.GetCurrentClassLogger();
 		public ModbusServerWorker(RegistersContainer registers, TcpClient client)
 		{
 			this.registers = registers;
@@ -52,6 +57,7 @@ namespace Barsik
 
 		public void Run()
 		{
+			logger.Debug("Working with client");
 			received = new List<byte>();
 			try
 			{
@@ -63,11 +69,13 @@ namespace Barsik
 					readCompleted.Reset();
 					stream.BeginRead(buffer, 0, buffer.Length, new AsyncCallback(this.OnReadCompleted), this);
 					readCompleted.WaitOne();
-					if (currentReceived < 0)
+					if (currentReceived <= 0)
 					{
+						logger.Debug("Received no data, closing ");
 						client.Close();
 						return;
 					}
+					logger.Debug("ProcessReceivedData of " + received.Count);
 					ProcessReceivedData();
 				}
 			}
@@ -75,6 +83,11 @@ namespace Barsik
 			{
 				client.Close();
 			}
+			finally
+			{
+				if (stream != null) stream.Dispose();
+				client.Dispose();
+			}
 		}
 
 		private void ProcessReceivedData()
@@ -123,12 +136,20 @@ namespace Barsik
 
 		private void OnReadCompleted(IAsyncResult ar)
 		{
-			currentReceived = stream.EndRead(ar);
-			lock (received)
+			try
 			{
-				for (int i = 0; i < currentReceived; i++) received.Add(buffer[i]);
+				currentReceived = stream.EndRead(ar);
+				lock (received)
+				{
+					for (int i = 0; i < currentReceived; i++) received.Add(buffer[i]);
+				}
+				readCompleted.Set();
+			}
+			catch (IOException e)
+			{
+				logger.Info("Error receiving " + e);
+				currentReceived = -1;
 			}
-			readCompleted.Set();
 		}
 	}
 }