proper sessions, packet still not read as it should be

Gameserver/Server.cs

@@ -8,27 +8,50 @@ namespace PemukulPaku.Gameserver
     public class Server
     {
         public static readonly Logger c = new("TCP", ConsoleColor.Blue);
+        public readonly Dictionary<string, Session> Sessions = new();
+        private static Server? Instance;
 
-        public static void Start()
+        public static Server GetInstance() { 
+            return Instance ??= new Server();
+        }
+
+        public Server()
+        {
+            Task.Run(Start);
+        }
+
+        public void Start()
         {
             TcpListener Listener = new(IPAddress.Parse("0.0.0.0"), (int)Global.config.Gameserver.Port);
 
-            try
+            while(true)
             {
-                Listener.Start();
-                c.Log($"TCP server started on port {Global.config.Gameserver.Port}");
-
-                while (true)
+                try
                 {
-                    TcpClient Client = Listener.AcceptTcpClient();
-                    c.Warn($"{Client.Client.RemoteEndPoint} connected!");
-                    NetworkStream stream = Client.GetStream();
+                    Listener.Start();
+                    c.Log($"TCP server started on port {Global.config.Gameserver.Port}");
+
+                    while (true)
+                    {
+                        TcpClient Client = Listener.AcceptTcpClient();
+                        string Id = Client.Client.RemoteEndPoint!.ToString()!;
+
+                        c.Warn($"{Id} connected");
+                        Sessions.Add(Id, new Session(Id, Client));
+                        LogClients();
+                    }
+                }
+                catch (Exception ex)
+                {
+                    c.Error("TCP server error: " + ex.Message);
+                    Thread.Sleep(3000);
                 }
             }
-            catch (Exception ex)
-            {
-                c.Error("TCP server error: " + ex.Message);
-            }
+        }
+
+        public void LogClients()
+        {
+            c.Log($"Connected clients: {Sessions.Count}");
         }
     }
 }

Gameserver/Session.cs

@@ -0,0 +1,101 @@
+using System.Net.Sockets;
+using Common.Utils;
+
+namespace PemukulPaku.Gameserver
+{
+    public class Session
+    {
+        public readonly string Id;
+        public readonly TcpClient Client;
+        public readonly Logger c;
+
+        public Session(string id, TcpClient client)
+        {
+            Id = id;
+            Client = client;
+            c = new Logger(Id);
+            Task.Run(() => ClientLoop(client));
+        }
+
+        private void ClientLoop(TcpClient client)
+        {
+            NetworkStream stream = client.GetStream();
+
+            byte[] packetMagic = { 0x01, 0x23, 0x45, 0x67 }; // Magic start pattern
+            byte[] packetEnd = { 0x89, 0xAB, 0xCD, 0xEF }; // Magic end pattern
+
+            byte[] buffer = new byte[4096];
+            int bytesRead;
+
+            try
+            {
+                while ((bytesRead = stream.Read(buffer, 0, buffer.Length)) > 0)
+                {
+                    // Process the received bytes
+                    for (int i = 0; i < bytesRead; i++)
+                    {
+                        if (buffer[i] == packetMagic[0])
+                        {
+                            bool found = true;
+                            for (int j = 1; j < packetMagic.Length; j++)
+                            {
+                                if (buffer[i + j] != packetMagic[j])
+                                {
+                                    found = false;
+                                    break;
+                                }
+                            }
+
+                            if (found)
+                            {
+                                // Magic start pattern found
+                                int endIndex = Array.IndexOf(buffer, packetEnd[0], i + packetMagic.Length);
+                                if (endIndex != -1)
+                                {
+                                    // Magic end pattern found
+                                    int packetLength = endIndex - i + packetEnd.Length;
+                                    byte[] packet = new byte[packetLength];
+                                    Array.Copy(buffer, i, packet, 0, packetLength);
+
+                                    // Process the packet
+                                    ProcessPacket(packet);
+
+                                    // Update the buffer
+                                    int remainingBytes = bytesRead - (i + packetLength);
+                                    Array.Copy(buffer, i + packetLength, buffer, 0, remainingBytes);
+
+                                    // Adjust the bytesRead value accordingly
+                                    bytesRead = remainingBytes;
+                                    i = -1; // Start processing from the beginning of the buffer again
+                                }
+                                else
+                                {
+                                    // End pattern not found, break the loop and wait for more data
+                                    break;
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                if (Client != null)
+                {
+                    c.Warn($"{Id} disconnected");
+                    Server.GetInstance().Sessions.Remove(Id);
+                }
+                else
+                {
+                    c.Error("TCP client error: " + ex.Message);
+                }
+            }
+            finally { Server.GetInstance().LogClients(); };
+        }
+
+        public void ProcessPacket(byte[] packet)
+        {
+            c.Debug("Received packet: " + BitConverter.ToString(packet).Replace("-", ""));
+        }
+    }
+}