public static void ReceiveData(Action <string> onMessage, List <byte> data)
        {
            while (data.Count > 0)
            {
                if (data[0] != Start)
                {
                    throw new WebSocketException(WebSocketStatusCodes.InvalidFramePayloadData);
                }

                var endIndex = data.IndexOf(End);
                if (endIndex < 0)
                {
                    return;
                }

                if (endIndex > MaxSize)
                {
                    throw new WebSocketException(WebSocketStatusCodes.MessageTooBig);
                }

                byte[] bytes = Ex.ToArray(Ex.Take(Ex.Skip(data, 1), (endIndex - 1)));

                data.RemoveRange(0, endIndex + 1);

                var message = Encoding.UTF8.GetString(bytes);

                onMessage(message);
            }
        }
        private void Read(List <byte> data, byte[] buffer)
        {
            if (_closed || !Socket.Connected)
            {
                return;
            }
            Socket.Receive(buffer, r =>
            {
                if (r <= 0)
                {
                    FleckLog.Debug("0 bytes read. Closing.", null);
                    CloseSocket();
                    return;
                }
                FleckLog.Debug(r + " bytes read", null);
                byte[] readBytes = Ex.ToArray(Ex.Take(buffer, r));

                if (Handler != null)
                {
                    Handler.Receive(readBytes);
                }
                else
                {
                    data.AddRange(readBytes);
                    CreateHandler(data);
                }

                Read(data, buffer);
            },
                           HandleReadError, 0);
        }