GameServer + packet types, we aren't parsing yet

AscNet.GameServer/Session.cs

@@ -0,0 +1,65 @@
+using System.Net.Sockets;
+using AscNet.Common.Util;
+
+namespace AscNet.GameServer
+{
+    public class Session
+    {
+        public readonly string id;
+        public readonly TcpClient client;
+        public readonly Logger c;
+        private long lastPacketTime = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
+        // private ushort packetNo = 0;
+
+        public Session(string id, TcpClient tcpClient)
+        {
+            this.id = id;
+            client = tcpClient;
+            c = new(id, ConsoleColor.DarkGray);
+
+            Task.Run(ClientLoop);
+        }
+
+        public async void ClientLoop()
+        {
+            NetworkStream stream = client.GetStream();
+            byte[] msg = new byte[1 << 16];
+
+            while (client.Connected)
+            {
+                try
+                {
+                    Array.Clear(msg, 0, msg.Length);
+                    int len = stream.Read(msg, 0, msg.Length);
+
+                    if (len > 0)
+                    {
+                        lastPacketTime = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
+
+                    }
+
+                }
+                catch (Exception)
+                {
+                    break;
+                }
+                await Task.Delay(10);
+                // 10 sec timeout
+                if (DateTimeOffset.UtcNow.ToUnixTimeMilliseconds() - lastPacketTime > 10000)
+                    break;
+            }
+
+            DisconnectProtocol();
+        }
+
+        public void DisconnectProtocol()
+        {
+            if (Server.Instance.Sessions.GetValueOrDefault(id) is null)
+                return;
+
+            c.Warn($"{id} disconnected");
+            client.Close();
+            Server.Instance.Sessions.Remove(id);
+        }
+    }
+}