✅ Unable to read beyond the end of the stream.

IPAddress ipAddress = IPAddress.Parse("127.0.0.1");
IPEndPoint ipEndPoint = new IPEndPoint(ipAddress, 5555);

using Socket listener = new Socket(ipEndPoint.AddressFamily, SocketType.Stream, ProtocolType.Tcp);

listener.Bind(ipEndPoint);
listener.Listen(100);
Console.WriteLine("Serveur démarré, en attente du client...");

var handler = await listener.AcceptAsync(); // Connexion du client
Console.WriteLine($"Client : \"{ipAddress.MapToIPv4()}\" sur le port : \"{ipEndPoint.Port}\" connecté au serveur.");


MemoryStream memoryStream = new MemoryStream();
var buffer = new byte[1024];

while (true)
{
    int byteReceived = await handler.ReceiveAsync(buffer, SocketFlags.None);

    if(byteReceived > 0)
    {
        memoryStream.Write(buffer, 0, byteReceived);
    }
    else
    {
        break;
    }

    BinaryReader reader = new BinaryReader(memoryStream);

-    short hiheader = reader.ReadInt16(); // HiHeader (2octets) = packetId (8bits) + lenType (6bits)
    short packetId = ((short)(hiheader >> 2)); 
    short lenType = ((short)(hiheader & 3));