feat: wip: use TcpClient

GServer.Client/Program.cs

@@ -32,7 +32,7 @@ internal class Program
             {
                 byte[] bytes = udpClient.Receive(ref serverEP);
 
-                MessageMemoryStream stream = new(bytes);
+                MessageNetworkStream stream = new(bytes);
 
                 ClientPacketIn packetIn = (ClientPacketIn)stream.ReadByte();
                 switch (packetIn)

GServer.Common/Networking/Core/MessageMemoryStream.cs

@@ -4,10 +4,6 @@ namespace GServer.Common;
 
 public class MessageMemoryStream : MemoryStream
 {
-    public MessageMemoryStream()
-    {
-    }
-
     public MessageMemoryStream(byte[] buffer) : base(buffer)
     {
     }

GServer.Common/Networking/Messages/Client/AuthResponseMessage.cs

@@ -30,7 +30,7 @@ public class AuthResponseMessage : BaseMessage, IMessage<AuthResponseMessage>
         FailureReason = failureReason;
     }
 
-    public AuthResponseMessage(MessageMemoryStream stream) : base((byte)ClientPacketIn.AUTH_RESPONSE)
+    public AuthResponseMessage(MessageNetworkStream stream) : base((byte)ClientPacketIn.AUTH_RESPONSE)
     {
         IsSuccessful = stream.ReadBoolean();
 
@@ -47,7 +47,7 @@ public class AuthResponseMessage : BaseMessage, IMessage<AuthResponseMessage>
 
     public byte[] Serialize()
     {
-        using MessageMemoryStream stream = new();
+        using MessageNetworkStream stream = new();
 
         stream.WriteByte(PacketId);
         stream.WriteBoolean(IsSuccessful);

GServer.Common/Networking/Messages/Client/ListServersResponseMessage.cs

@@ -12,7 +12,7 @@ public class ListServersResponseMessage : BaseMessage, IMessage<ListServersRespo
         ServerListings = serverListings;
     }
 
-    public ListServersResponseMessage(MessageMemoryStream stream) : base((byte)ClientPacketIn.LIST_SERVERS_RESPONSE)
+    public ListServersResponseMessage(MessageNetworkStream stream) : base((byte)ClientPacketIn.LIST_SERVERS_RESPONSE)
     {
         throw new NotImplementedException();
     }

GServer.Common/Networking/Messages/Server/AuthMessage.cs

@@ -14,7 +14,7 @@ public class AuthMessage : BaseMessage, IMessage<AuthMessage>
         Password = password;
     }
 
-    public AuthMessage(MessageMemoryStream stream) : base((byte)ServerPacketIn.AUTH)
+    public AuthMessage(MessageNetworkStream stream) : base((byte)ServerPacketIn.AUTH)
     {
         byte usernameLen = (byte)stream.ReadByte();
         string username = stream.ReadUTF8String(usernameLen);

GServer.Server/GameServerOptions.cs

@@ -0,0 +1,6 @@
+namespace GServer.Server;
+
+public class GameServerOptions
+{
+    public int PacketLength { get; set; }
+}

GServer.Server/TCPGameServer.cs

@@ -0,0 +1,116 @@
+using System.Net;
+using System.Net.Sockets;
+using GServer.Common;
+using GServer.Common.Networking.Enums;
+using GServer.Common.Networking.Messages.Client;
+using GServer.Common.Networking.Messages.Server;
+
+namespace GServer.Server;
+
+public class TCPGameServer : IDisposable
+{
+    private readonly TcpListener _tcpListener;
+    private readonly IPEndPoint _endPoint;
+    private readonly GameServerOptions _options;
+
+    public TCPGameServer(IPEndPoint endPoint, GameServerOptions options)
+    {
+        _endPoint = endPoint;
+        _options = options;
+
+        _tcpListener = new TcpListener(endPoint);
+    }
+
+    /// <summary>
+    /// Bind the server to the given endpoint.
+    /// </summary>
+    public async void Start()
+    {
+        Console.WriteLine("Starting TCPGameServer listener...");
+        _tcpListener.Start();
+        Console.WriteLine($"TCPGameServer listening on {_endPoint}");
+
+        try
+        {
+            while (true)
+            {
+                await ProcessAsync(await _tcpListener.AcceptTcpClientAsync());
+            }
+        }
+        catch
+        {
+            throw;
+        }
+        finally
+        {
+            _tcpListener.Stop();
+        }
+    }
+
+    /// <summary>
+    /// Begin processing messages
+    /// </summary>
+    /// <returns></returns>
+    public async Task ProcessAsync(TcpClient tcpClient)
+    {
+        try
+        {
+            using NetworkStream stream = tcpClient.GetStream();
+
+            byte[] data = new byte[_options.PacketLength];
+            int bytesRead = 0;
+            int chunkSize = 1;
+
+            // Read everything into the data buffer
+            while (bytesRead < data.Length && chunkSize > 0)
+            {
+                bytesRead +=
+                    chunkSize =
+                        await stream.ReadAsync(data.AsMemory(bytesRead, data.Length - bytesRead));
+            }
+
+            // Use the in-memory buffer to process the message
+            await HandleMessageAsync(stream.Socket, new MessageMemoryStream(data));
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine(ex);
+        }
+    }
+
+    private async Task HandleMessageAsync(Socket clientSocket, MessageMemoryStream messageStream)
+    {
+        ServerPacketIn serverPacketIn = (ServerPacketIn)messageStream.ReadByte();
+
+        Console.WriteLine($"Handling message {serverPacketIn} from {client}...");
+
+        switch (serverPacketIn)
+        {
+            case ServerPacketIn.AUTH:
+                AuthMessage msg = new(messageStream);
+
+                AuthResponseMessage resp = msg.Username == "aaronyarbz" && msg.Password == "password123"
+                    ? new(true, Guid.NewGuid().ToString(), null)
+                    : new(false, null, AuthResponseFailure.IncorrectLoginOrPassword);
+
+                byte[] buffer = resp.Serialize();
+                _ = await TcpClient.Client.SendAsync(buffer, 
+
+                break;
+
+            case ServerPacketIn.LIST_SERVERS:
+                throw new NotImplementedException();
+
+            default:
+                Console.WriteLine($"Received unsupported packet.");
+                break;
+        }
+    }
+
+    public void Dispose()
+    {
+        TcpClient.Close();
+        TcpClient.Dispose();
+        GC.SuppressFinalize(this);
+    }
+}

GServer.Server/UDPGameServer.cs

@@ -2,8 +2,6 @@ using System.Net;
 using System.Net.Sockets;
 using GServer.Common;
 using GServer.Common.Networking.Enums;
-using GServer.Common.Networking.Messages.Client;
-using GServer.Common.Networking.Messages.Server;
 
 namespace GServer.Server;
 
@@ -43,7 +41,7 @@ public class UDPGameServer : IDisposable
         {
             UdpReceiveResult res = await UdpClient.ReceiveAsync();
             byte[] bytes = res.Buffer;
-            MessageMemoryStream stream = new(bytes);
+            MessageNetworkStream stream = new(bytes);
             await HandleMessageAsync(stream, res.RemoteEndPoint);
         }
         catch (Exception ex)
@@ -52,32 +50,17 @@ public class UDPGameServer : IDisposable
         }
     }
 
-    private async Task HandleMessageAsync(MessageMemoryStream stream, IPEndPoint remoteEndPoint)
+    private async Task HandleMessageAsync(MessageNetworkStream stream, IPEndPoint remoteEndPoint)
     {
-        ServerPacketIn serverPacketIn = (ServerPacketIn)stream.ReadByte();
+        byte serverPacketInByte = (byte)stream.ReadByte();
+        ServerPacketIn serverPacketIn = (ServerPacketIn)serverPacketInByte;
 
-        Console.WriteLine($"Handling message {serverPacketIn} from {remoteEndPoint}...");
+        Console.WriteLine($"Handling UDP message {serverPacketInByte} from {remoteEndPoint}...");
 
         switch (serverPacketIn)
         {
-            case ServerPacketIn.AUTH:
-                AuthMessage msg = new(stream);
-
-                AuthResponseMessage resp = msg.Username == "aaronyarbz" && msg.Password == "password123"
-                    ? new(true, Guid.NewGuid().ToString(), null)
-                    : new(false, null, AuthResponseFailure.IncorrectLoginOrPassword);
-
-                byte[] buffer = resp.Serialize();
-                _ = await UdpClient.SendAsync(buffer, buffer.Length, remoteEndPoint);
-
-                break;
-
-            case ServerPacketIn.LIST_SERVERS:
-                throw new NotImplementedException();
-
             default:
-                Console.WriteLine($"Received unsupported packet.");
-                break;
+                throw new NotImplementedException($"Received unsupported packet {serverPacketInByte}");
         }
     }
 

notes

@@ -0,0 +1,5 @@
+potentially move flag type to short from byte
+
+
+single thread accept
+    - spin up multiple threads to deal with actions