Added online Play over TCP and updated UI to reflect that

Signed-off-by: Pablu23 <43807157+Pablu23@users.noreply.github.com>

TicTacToe/Program.cs

@@ -22,6 +22,7 @@ namespace TicTacToe
                 Console.WriteLine("[C]onfig Players");
                 //Console.WriteLine("[N]ew Game");
                 Console.WriteLine("[S]tart Game");
+                Console.WriteLine("[O] Start Online Game");
                 Console.WriteLine("[E]nd");
 
                 char input = GetCharInput(new[] { 'c', 's', 'e', 'n', 'o' });
@@ -47,19 +48,7 @@ namespace TicTacToe
                         ticTacToe = new TicTacToe();
                         break;
                     case 'o':
-                        string hosting = Console.ReadLine();
+                        StartOnlineGame();
-                        var test = new TicTacToeOnline();
-                        if (hosting == "t")
-                        {
-                            test.IsServer(true);
-                        }
-                        else
-                        {
-                            test.IsServer(false);
-                        }
-                        
-                        test.StartGame();
-                        
                         break;
                 }
 
@@ -68,6 +57,30 @@ namespace TicTacToe
             }
         }
 
+        private static void StartOnlineGame()
+        {
+            Console.Clear();
+            var ticTacToeOnline = new TicTacToeOnline();
+            Console.WriteLine("Is this PC Hosting?");
+            Console.WriteLine("[Y]es");
+            Console.WriteLine("[N]o");
+            string hosting = Console.ReadLine();
+            
+            if (hosting.ToLower() == "y")
+            {
+                ticTacToeOnline.IsServer(true);
+            }
+            else
+            {
+                ticTacToeOnline.IsServer(false);
+                Console.WriteLine("On which IP Address should be connected?");
+                string ip = Console.ReadLine();
+                ticTacToeOnline.SetIpAddress(ip);
+            }
+            
+            ticTacToeOnline.StartGame();
+        } 
+        
         private static void ConfigPlayers(TicTacToe ticTacToe)
         {
 

TicTacToe/TicTacToe.cs

@@ -63,7 +63,7 @@ namespace TicTacToe
         }
 
         //Do CleanUp for every Player (Mostly needed for LearningAi to update the brain)
-        private void CleanUp()
+        protected virtual void CleanUp()
         {
             foreach (var player in Players)
             {

TicTacToe/TicTacToeOnline.cs

@@ -12,7 +12,9 @@ namespace TicTacToe
         private bool _isServer = false;
         private int _port = 6969;
         private string _ipAddress = "127.0.0.1";
-        private Socket _client;
+        private NetworkStream _stream;
+        private TcpClient _client;
+        private TcpListener _listener;
         
         private int _clientPlayerId = -1;
         
@@ -28,6 +30,25 @@ namespace TicTacToe
             _isServer = x;
         }
 
+        public void SetIpAddress(string ip)
+        {
+            _ipAddress = ip;
+        }
+        
+        protected override void CleanUp()
+        {
+            foreach (var player in Players)
+            {
+                player.CleanUp();
+            }
+            
+            _client.Close();
+            if (_isServer)
+            {
+                _listener.Stop();
+            }
+        }
+
         public override void StartGame()
         {
             if (_isServer)
@@ -86,45 +107,27 @@ namespace TicTacToe
 
         private void SendData(string data)
         {
-            data += "<EOF>";
+            Console.WriteLine("Sending data");
-            Console.WriteLine("Sending Data: " + data);
+            Console.WriteLine("Data: " + data);
-            byte[] bytes = Encoding.ASCII.GetBytes(data);
+            byte[] bytes = Encoding.UTF8.GetBytes(data);
-            _client.Send(bytes);
+            _stream.Write(bytes, 0, bytes.Length);
         }
         
         private string ReceiveData()
         {
-            string data = null;
-            byte[] bytes = null;
-
             Console.WriteLine("Receiving Data");
+            byte[] bytes = new byte[_client.ReceiveBufferSize];
+            int bytesRead = _stream.Read(bytes, 0, _client.ReceiveBufferSize);
 
-            while (true)
+            string data = Encoding.UTF8.GetString(bytes);
-            {
-                bytes = new byte[1024];
-                int bytesRec = _client.Receive(bytes);
-                data += Encoding.UTF8.GetString(bytes, 0, bytesRec);
             Console.WriteLine("Data: " + data);
-                if (data.IndexOf("<EOF>") > -1)
-                {
-                    break;
-                }
-            }
-            
-            Console.WriteLine("Data Received, returning");
-            
             return data;
         }
         
         private void ConnectToServer()
         {
-            IPHostEntry host = Dns.GetHostEntry(_ipAddress);
+            _client = new TcpClient(_ipAddress, _port);
-            IPAddress ipAddress = host.AddressList[0];
+            _stream = _client.GetStream();
-            IPEndPoint remoteEndPoint = new IPEndPoint(ipAddress, _port);
-
-            _client = new Socket(ipAddress.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
-
-            _client.Connect(remoteEndPoint);
 
             Console.WriteLine("connected");
             
@@ -143,17 +146,14 @@ namespace TicTacToe
 
         private void StartServer()
         {
-            IPHostEntry host = Dns.GetHostEntry(_ipAddress);
+            _listener = new TcpListener(IPAddress.Any, _port);
-            IPAddress ipAddress = host.AddressList[0];
+            _listener.Start();
-            IPEndPoint localEndPoint = new IPEndPoint(ipAddress, _port);
-            Socket server = new Socket(ipAddress.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
-            server.Bind(localEndPoint);
-            server.Listen(1);
-
-            _client = server.Accept();
             
+            _client = _listener.AcceptTcpClient();
             Console.WriteLine("A Client connected");
             
+            _stream = _client.GetStream();
+            
             var player = new HumanPlayer("Server", FieldState.PlayerX);
             AddPlayer(player);