private void Receive(IAsyncResult ar)
{
var receivedBytes = 0;
try
{
receivedBytes = _socket.EndReceive(ar);
}
catch (Exception ex)
{
Disconnect($"Receive Exception: {ex}");
}
// Check if the socket was closed.
if (receivedBytes == 0)
{
Disconnect();
return;
}
// Check the message header.
if (receivedBytes < InHeaderSize)
{
Disconnect("The received packets header size is incorrect.");
return;
}
// TODO Properly Process incomming bytes.
using (var stream = new MemoryStream(_receiveBuffer, 0, receivedBytes))
using (var reader = new BinaryReader(stream))
{
var size = reader.ReadUInt16();
var encrypted = reader.ReadByte() == 1;
var body = reader.ReadBytes(size - InHeaderSize);
if (encrypted)
{
body = BDOCrypt.Xor(body, 0, body.Length);
}
using (var messageStream = new MemoryStream(body))
using (var message = new BinaryReader(messageStream))
{
var messageId = message.ReadUInt16(); // MessageId
Logging.Server($"Received(Size:{size}, Encrypted: {encrypted}, MessageId: {messageId}, 0x{messageId:X2})");
//Logging.Server(BufferExtensions.ToHex(body.Skip(2).ToArray()));
var handler = MessageTable.FindMessageHandler(messageId);
if (handler != null)
{
handler.Handle(this, message);
}
else
{
Logging.Server($"Unknown Message Received: Size:{size}, Encrypted: {encrypted}, MessageId: {messageId} (0x{messageId:X2})");
Logging.Server(BufferExtensions.ToHex(body.Skip(2).ToArray()));
}
}
}
// Start receiving more data.
BeginReceive();
}
