private void WriteHeader(bool endOfRecord, bool endOfMessage, long contentLength) { byte[] array = new byte[12]; byte[] array2 = null; byte[] array3 = null; DimeRecord.HeaderFlagsEnum headerFlagsEnum = (DimeRecord.HeaderFlagsEnum) 0; if (this.m_chunked && !endOfRecord) { headerFlagsEnum = DimeRecord.HeaderFlagsEnum.ChunkedRecord; } if (this.m_beginOfMessage) { headerFlagsEnum |= DimeRecord.HeaderFlagsEnum.BeginOfMessage; this.m_beginOfMessage = false; } if (endOfMessage) { headerFlagsEnum |= DimeRecord.HeaderFlagsEnum.EndOfMessage; } TypeFormatEnum typeFormatEnum; Uri uri; string text; if (!this.m_chunked || this.m_firstChunk) { typeFormatEnum = this.m_typeFormat; uri = this.m_id; text = this.m_type; } else { typeFormatEnum = TypeFormatEnum.Unchanged; uri = null; text = null; } array[0] = (byte)(headerFlagsEnum | (DimeRecord.HeaderFlagsEnum) 8); array[1] = (byte)((byte)typeFormatEnum << 4); if (!this.m_chunked || this.m_firstChunk) { array[2] = 0; array[3] = 4; } int length; if (uri != null && (length = uri.AbsoluteUri.Length) > 0) { int byteCount = Encoding.ASCII.GetByteCount(uri.AbsoluteUri); if (byteCount > 65535) { throw new Exception(XmlaSR.DimeRecord_EncodedTypeLengthExceeds8191); } array3 = new byte[DimeRecord.PaddedCount(byteCount)]; Encoding.ASCII.GetBytes(this.m_id.AbsoluteUri, 0, length, array3, 0); array[4] = (byte)(byteCount >> 8); array[5] = (byte)byteCount; } if (text != null && text.Length > 0) { int byteCount = Encoding.ASCII.GetByteCount(text); if (byteCount > 65535) { throw new Exception(XmlaSR.DimeRecord_EncodedTypeLengthExceeds8191); } array2 = new byte[DimeRecord.PaddedCount(byteCount)]; Encoding.ASCII.GetBytes(text, 0, text.Length, array2, 0); array[6] = (byte)(byteCount >> 8); array[7] = (byte)byteCount; } if (contentLength > 0L) { array[8] = (byte)(contentLength >> 24 & 255L); array[9] = (byte)(contentLength >> 16 & 255L); array[10] = (byte)(contentLength >> 8 & 255L); array[11] = (byte)(contentLength & 255L); } this.m_stream.Write(array, 0, 12); if (array3 != null && array3.Length > 0) { this.m_stream.Write(array3, 0, array3.Length); } if (!this.m_chunked || this.m_firstChunk) { this.m_stream.Write(this.m_Options.GetBytes(), 0, 4); } if (array2 != null && array2.Length > 0) { this.m_stream.Write(array2, 0, array2.Length); } this.m_firstChunk = false; }
private void ReadHeader() { byte[] array = new byte[12]; DimeRecord.ForceRead(this.m_stream, array, 12); this.m_version = (byte)((array[0] & 248) >> 3); if (this.m_version != 1) { throw new AdomdUnknownResponseException(XmlaSR.DimeRecord_VersionNotSupported((int)this.m_version), ""); } DimeRecord.HeaderFlagsEnum headerFlagsEnum = (DimeRecord.HeaderFlagsEnum)(array[0] & 7); this.m_chunked = ((byte)(headerFlagsEnum & DimeRecord.HeaderFlagsEnum.ChunkedRecord) != 0); this.m_beginOfMessage = ((byte)(headerFlagsEnum & DimeRecord.HeaderFlagsEnum.BeginOfMessage) != 0); this.m_endOfMessage = ((byte)(headerFlagsEnum & DimeRecord.HeaderFlagsEnum.EndOfMessage) != 0); if (this.m_chunked && this.m_endOfMessage) { throw new AdomdUnknownResponseException(XmlaSR.DimeRecord_InvalidHeaderFlags(this.m_beginOfMessage ? 1 : 0, 1, 1), ""); } if ((!this.m_chunked && !this.m_endOfMessage) || (!this.m_firstChunk && this.m_beginOfMessage)) { throw new AdomdUnknownResponseException(XmlaSR.DimeRecord_OnlySingleRecordMessagesAreSupported, ""); } this.m_typeFormat = (TypeFormatEnum)((array[1] & 240) >> 4); this.m_reserved = (byte)(array[1] & 15); int num = ((int)array[2] << 8) + (int)array[3]; int num2 = ((int)array[4] << 8) + (int)array[5]; int num3 = ((int)array[6] << 8) + (int)array[7]; this.m_contentLength = ((int)array[8] << 24) + ((int)array[9] << 16) + ((int)array[10] << 8) + (int)array[11]; if (this.m_firstChunk) { if (this.m_typeFormat != TypeFormatEnum.MediaType) { throw new AdomdUnknownResponseException(XmlaSR.DimeRecord_TypeFormatShouldBeMedia(this.m_typeFormat.ToString()), ""); } if (num3 <= 0) { throw new AdomdUnknownResponseException(XmlaSR.DimeRecord_DataTypeShouldBeSpecifiedOnTheFirstChunk, ""); } } else { if (this.m_typeFormat != TypeFormatEnum.Unchanged) { throw new AdomdUnknownResponseException(XmlaSR.DimeRecord_TypeFormatShouldBeUnchanged(this.m_typeFormat.ToString()), ""); } if (num3 != 0) { throw new AdomdUnknownResponseException(XmlaSR.DimeRecord_DataTypeIsOnlyForTheFirstChunk, ""); } if (num2 != 0) { throw new AdomdUnknownResponseException(XmlaSR.DimeRecord_IDIsOnlyForFirstChunk, ""); } if (num != 0) { throw new AdomdUnknownResponseException(XmlaSR.UnknownServerResponseFormat, "Unexpected non-zero options length"); } } if (this.m_reserved != 0) { throw new AdomdUnknownResponseException(XmlaSR.DimeRecord_ReservedFlagShouldBeZero(this.m_reserved), ""); } if (num > 0) { array = new byte[DimeRecord.RoundUp(num)]; DimeRecord.ForceRead(this.m_stream, array, array.Length); this.m_Options.FromBytes(array); } if (num2 > 0) { array = new byte[DimeRecord.RoundUp(num2)]; DimeRecord.ForceRead(this.m_stream, array, array.Length); } if (num3 > 0) { array = new byte[DimeRecord.RoundUp(num3)]; DimeRecord.ForceRead(this.m_stream, array, array.Length); this.m_type = Encoding.ASCII.GetString(array, 0, num3); if (!DataTypes.IsSupportedDataType(this.m_type)) { throw new AdomdUnknownResponseException(XmlaSR.DimeRecord_DataTypeNotSupported(this.m_type), ""); } } this.m_firstChunk = false; }