TLSharp and Tests

TLSharp.Core/Network/TcpTransport.cs

@@ -0,0 +1,51 @@
+using System;
+using System.Linq;
+using System.Net;
+using System.Net.Sockets;
+using System.Threading.Tasks;
+
+namespace TLSharp.Core.Network
+{
+	public class TcpTransport : IDisposable
+	{
+		private const string defaultConnectionAddress = "91.108.56.165";
+		private const int defaultConnectionPort = 443;
+		private readonly TcpClient _tcpClient;
+		private int sendCounter = 0;
+
+		public TcpTransport(string address = defaultConnectionAddress, int port = defaultConnectionPort)
+		{
+			_tcpClient = new TcpClient();
+			
+			var ipAddress = IPAddress.Parse(address);
+			_tcpClient.Connect(ipAddress, port);
+		}
+
+		public async Task Send(byte[] packet)
+		{
+			if (!_tcpClient.Connected)
+				throw new InvalidOperationException("Client not connected to server.");
+
+			var tcpMessage = new TcpMessage(sendCounter, packet);
+
+			await _tcpClient.GetStream().WriteAsync(tcpMessage.Encode(), 0, tcpMessage.Encode().Length);
+			sendCounter++;
+		}
+
+		public async Task<TcpMessage> Receieve()
+		{
+			var buffer = new byte[_tcpClient.ReceiveBufferSize];
+			var availableBytes = await _tcpClient.GetStream().ReadAsync(buffer, 0, buffer.Length);
+
+			var result = buffer.Take(availableBytes).ToArray();
+
+			return TcpMessage.Decode(result);
+		}
+
+		public void Dispose()
+		{
+			if (_tcpClient.Connected)
+				_tcpClient.Close();
+		}
+	}
+}