Exemple #1
0
        public double ToDouble()
        {
            double result = double.NaN;

            try
            {
                var byteArray = Convert.FromBase64String(Value);

                if (DataType != null)
                {
                    if (TypeCode.Double == DataType.Type)
                    {
                        result = BitConverter.ToInt32(byteArray, 0);
                    }
                    else
                    {
                        MsgLogger.WriteError($"{GetType().Name} - ToDouble", $"Cannot convert base64 value = {Value}, to data type {DataType.Type}!");
                    }
                }
                else
                {
                    MsgLogger.WriteWarning($"{GetType().Name} - ToDouble", $"Cannot convert base64 value = {Value}, unknown data type!");

                    result = BitConverter.ToInt32(byteArray, 0);
                }
            }
            catch (Exception e)
            {
                MsgLogger.Exception($"{GetType().Name} - ToDouble", e);
            }

            return(result);
        }
Exemple #2
0
        public ulong ToULong()
        {
            ulong result = ulong.MinValue;

            try
            {
                var byteArray = Convert.FromBase64String(Value);

                if (DataType != null)
                {
                    switch (DataType.Type)
                    {
                    case TypeCode.Byte:
                        result = BitConverter.ToChar(byteArray, 0);
                        break;

                    case TypeCode.SByte:
                        result = BitConverter.ToChar(byteArray, 0);
                        break;

                    case TypeCode.UInt16:
                        result = BitConverter.ToUInt16(byteArray, 0);
                        break;

                    case TypeCode.UInt32:
                        result = BitConverter.ToUInt32(byteArray, 0);
                        break;

                    case TypeCode.UInt64:
                        result = BitConverter.ToUInt64(byteArray, 0);
                        break;

                    default:
                        MsgLogger.WriteError($"{GetType().Name} - ToULong", $"Cannot convert base64 value = {Value}, to data type {DataType.Type}!");
                        break;
                    }
                }
                else
                {
                    MsgLogger.WriteWarning($"{GetType().Name} - ToULong", $"Cannot convert base64 value = {Value}, unknown data type!");

                    result = BitConverter.ToUInt64(byteArray, 0);
                }
            }
            catch (Exception e)
            {
                MsgLogger.Exception($"{GetType().Name} - ToULong", e);
            }

            return(result);
        }
Exemple #3
0
        private async Task <string> ReadMessage()
        {
            string result         = string.Empty;
            int    bufferSize     = BufferSize;
            var    buffer         = new byte[bufferSize];
            var    segment        = new ArraySegment <byte>(buffer);
            var    fullBuffer     = new byte[bufferSize];
            int    offset         = 0;
            int    fullBufferSize = 0;

            try
            {
                if (Socket.State == WebSocketState.Open)
                {
                    var receiveResult = await Socket.ReceiveAsync(segment, _cancellationTokenSource.Token);

                    while (!receiveResult.CloseStatus.HasValue)
                    {
                        if (receiveResult.EndOfMessage)
                        {
                            if (fullBufferSize > 0)
                            {
                                if (fullBuffer.Length < receiveResult.Count + offset)
                                {
                                    Array.Resize(ref fullBuffer, receiveResult.Count + offset);
                                }

                                Array.Copy(buffer, 0, fullBuffer, offset, receiveResult.Count);

                                offset         += receiveResult.Count;
                                fullBufferSize += receiveResult.Count;
                            }
                            else
                            {
                                if (fullBuffer.Length < receiveResult.Count)
                                {
                                    Array.Resize(ref fullBuffer, receiveResult.Count);
                                }

                                Array.Copy(buffer, 0, fullBuffer, 0, receiveResult.Count);
                                fullBufferSize = receiveResult.Count;
                            }

                            result = Encoding.UTF8.GetString(fullBuffer, 0, fullBufferSize);

                            if (!string.IsNullOrEmpty(result))
                            {
                                break;
                            }

                            buffer         = new byte[bufferSize];
                            offset         = 0;
                            fullBufferSize = 0;
                        }
                        else
                        {
                            if (fullBuffer.Length < receiveResult.Count + offset)
                            {
                                Array.Resize(ref fullBuffer, receiveResult.Count + offset);
                            }

                            Array.Copy(buffer, 0, fullBuffer, offset, receiveResult.Count);

                            offset         += receiveResult.Count;
                            fullBufferSize += receiveResult.Count;
                        }

                        if (Socket.State == WebSocketState.Open)
                        {
                            receiveResult = await Socket.ReceiveAsync(new ArraySegment <byte>(buffer), _cancellationTokenSource.Token);
                        }
                        else
                        {
                            MsgLogger.WriteError($"{GetType().Name} - ReadMessage", $"cannot read - socket state = {Socket.State}");
                            break;
                        }
                    }

                    if (receiveResult.MessageType == WebSocketMessageType.Close &&
                        (Socket.State == WebSocketState.CloseReceived || Socket.State == WebSocketState.Open))
                    {
                        await Socket.CloseOutputAsync(WebSocketCloseStatus.NormalClosure, "Server closed connection", _cancellationTokenSource.Token);
                    }
                }
                else
                {
                    MsgLogger.WriteWarning($"{GetType().Name} - ReadMessage", $"cannot read - socket state = {Socket.State}");
                }
            }
            catch (WebSocketException e)
            {
                MsgLogger.Exception($"{GetType().Name} - ReadMessage", e.InnerException != null ? e.InnerException : e);
            }
            catch (InvalidOperationException e)
            {
                MsgLogger.Exception($"{GetType().Name} - ReadMessage", e);
            }
            catch (Exception e)
            {
                MsgLogger.Exception($"{GetType().Name} - ReadMessage", e);
            }

            return(result);
        }