Fixing an issue with missing internal client on TCP (caused by AddressFamily.Unknown in default constructor)

AMWD.Protocols.Modbus.Tcp/Utils/TcpClientWrapperFactory.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Net.Sockets;
+
+namespace AMWD.Protocols.Modbus.Tcp.Utils
+{
+	[System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
+	internal class TcpClientWrapperFactory
+	{
+		/// <summary>
+		/// Creates a new instance of <see cref="TcpClientWrapper"/>.
+		/// </summary>
+		/// <param name="addressFamily">The <see cref="AddressFamily"/> of the <see cref="TcpClient"/> to use.</param>
+		/// <param name="readTimeout">The read timeout.</param>
+		/// <param name="writeTimeout">The write timeout.</param>
+		/// <returns>A new <see cref="TcpClientWrapper"/> instance.</returns>
+		public virtual TcpClientWrapper Create(AddressFamily addressFamily, TimeSpan readTimeout, TimeSpan writeTimeout)
+		{
+			var client = new TcpClientWrapper(addressFamily)
+			{
+				ReceiveTimeout = (int)readTimeout.TotalMilliseconds,
+				SendTimeout = (int)writeTimeout.TotalMilliseconds
+			};
+			return client;
+		}
+	}
+}