public DimeRecord ReadRecord()
{
if (this.m_closed)
{
throw new InvalidOperationException(XmlaSR.DimeReader_IsClosed);
}
if (this.m_currentRecord != null)
{
if (this.m_currentRecord.EndOfMessage)
{
return(null);
}
this.m_currentRecord.Close();
}
this.m_currentRecord = new DimeRecord(this.m_stream);
if (this.m_Options == null)
{
this.m_Options = this.m_currentRecord.Options;
}
if (this.m_currentRecord.TypeFormat == TypeFormatEnum.None && this.m_currentRecord.EndOfMessage)
{
this.m_currentRecord.Close();
return(null);
}
return(this.m_currentRecord);
}
private static void ReadPadding(Stream stream, int bytesRead)
{
int num = DimeRecord.PaddedCount(bytesRead) - bytesRead;
for (int i = 0; i < num; i++)
{
stream.ReadByte();
}
}
private static void WritePadding(Stream stream, int bytesWritten)
{
int num = DimeRecord.PaddedCount(bytesWritten) - bytesWritten;
for (int i = 0; i < num; i++)
{
stream.WriteByte(0);
}
}
public override void Write(byte[] buffer, int offset, int size)
{
if (this.disposed)
{
throw new ObjectDisposedException(null);
}
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
if (offset < 0)
{
throw new ArgumentOutOfRangeException("offset");
}
if (size < 0)
{
throw new ArgumentOutOfRangeException("size");
}
if (size + offset > buffer.Length)
{
throw new ArgumentException(XmlaSR.InvalidArgument, "buffer");
}
try
{
if (size > 0)
{
if (this.dimeWriter == null)
{
this.dimeWriter = new DimeWriter(this.bufferedStream);
this.dimeWriter.DefaultChunkSize = this.dimeChunkSize;
this.dimeWriter.Options = base.GetTransportCapabilities();
this.dimeRecordForWrite = this.dimeWriter.CreateRecord(null, DataTypes.GetDataTypeFromEnum(this.GetRequestDataType()), TypeFormatEnum.MediaType, -1);
if (TcpStream.TRACESWITCH.TraceVerbose)
{
StackTrace stackTrace = new StackTrace();
stackTrace.GetFrame(1).GetMethod();
}
}
this.dimeRecordForWrite.WriteBody(buffer, offset, size);
}
}
catch (XmlaStreamException)
{
throw;
}
catch (IOException innerException)
{
throw new XmlaStreamException(innerException);
}
catch (SocketException innerException2)
{
throw new XmlaStreamException(innerException2);
}
}
internal void WriteBody(byte[] buffer, int offset, int count)
{
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
if (count < 0 || offset < 0)
{
throw new ArgumentOutOfRangeException(XmlaSR.DimeRecord_OffsetAndCountShouldBePositive);
}
if (this.m_closed)
{
throw new InvalidOperationException(XmlaSR.DimeRecord_StreamIsClosed);
}
if (this.m_ioMode != IOModeEnum.WriteOnly)
{
throw new InvalidOperationException(XmlaSR.DimeRecord_WriteNotAllowed);
}
if (this.m_chunked)
{
if (this.m_bytesReadWritten + count >= this.ChunkSize)
{
this.WriteChunkedPayload(false, false, buffer, offset, count);
return;
}
if (this.m_bodyStreamBuffer == null)
{
this.m_bodyStreamBuffer = new MemoryStream((count < 512) ? 512 : count);
}
this.m_bodyStreamBuffer.Write(buffer, offset, count);
this.m_bytesReadWritten += count;
return;
}
else
{
if (this.m_bytesReadWritten + count > this.m_contentLength)
{
throw new Exception(XmlaSR.DimeRecord_ContentLengthExceeded);
}
if (!this.m_headerWritten)
{
this.WriteHeader(false, false, (long)this.m_contentLength);
this.m_headerWritten = true;
}
this.m_stream.Write(buffer, offset, count);
this.m_bytesReadWritten += count;
if (this.m_bytesReadWritten == this.m_contentLength)
{
DimeRecord.WritePadding(this.m_stream, this.m_bytesReadWritten);
}
return;
}
}
public void Close()
{
if (this.m_closed)
{
return;
}
if (this.m_currentRecord != null)
{
this.m_currentRecord.Close(true);
this.m_currentRecord = null;
}
this.m_closed = true;
}
public DimeRecord CreateRecord(Uri id, string type, TypeFormatEnum typeFormat, int contentLength)
{
if (type == null)
{
throw new ArgumentNullException("type");
}
if (this.m_closed)
{
throw new InvalidOperationException(XmlaSR.DimeWriter_WriterIsClosed);
}
if (this.m_currentRecord != null)
{
this.m_currentRecord.Close(false);
}
this.m_currentRecord = new DimeRecord(this.m_stream, id, type, typeFormat, this.m_firstRecord, contentLength, this.m_defaultChunkSize);
this.m_currentRecord.Options = this.m_Options;
this.m_firstRecord = false;
return(this.m_currentRecord);
}
internal int ReadBody(byte[] buffer, int offset, int count)
{
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
if (offset < 0 || count < 0)
{
throw new ArgumentOutOfRangeException("offset");
}
if (this.m_closed)
{
throw new Exception(XmlaSR.DimeRecord_StreamIsClosed);
}
if (this.m_ioMode != IOModeEnum.ReadOnly)
{
throw new InvalidOperationException(XmlaSR.DimeRecord_ReadNotAllowed);
}
int num = 0;
int num2 = this.m_contentLength - this.m_bytesReadWritten;
if (this.m_chunked && num2 == 0)
{
do
{
this.ReadHeader();
}while (this.m_contentLength == 0 && this.m_chunked);
num2 = this.m_contentLength;
this.m_bytesReadWritten = 0;
}
if (num2 > 0)
{
num = this.m_stream.Read(buffer, offset, (num2 < count) ? num2 : count);
this.m_bytesReadWritten += num;
if (this.m_bytesReadWritten == this.m_contentLength)
{
DimeRecord.ReadPadding(this.m_stream, this.m_bytesReadWritten);
}
}
return(num);
}
private void WriteChunkedPayload(bool endOfRecord, bool endOfMessage, byte[] bytes, int offset, int count)
{
byte[] array = null;
int num = 0;
if (this.m_bodyStreamBuffer != null && this.m_bodyStreamBuffer.Length > 0L)
{
array = this.m_bodyStreamBuffer.GetBuffer();
this.m_bodyStreamBuffer = null;
num = this.m_bytesReadWritten;
this.m_bytesReadWritten = 0;
}
this.WriteHeader(endOfRecord, endOfMessage, (long)(count + num));
if (array != null)
{
this.m_stream.Write(array, 0, num);
}
if (bytes != null)
{
this.m_stream.Write(bytes, offset, count);
}
DimeRecord.WritePadding(this.m_stream, count + num);
}
public override DataType GetResponseDataType()
{
DataType result;
try
{
if (this.endOfStream)
{
result = DataType.Undetermined;
}
else
{
if (this.dimeReader == null)
{
this.dimeReader = new DimeReader(this.bufferedStream);
this.dimeRecordForRead = this.dimeReader.ReadRecord();
if (TcpStream.TRACESWITCH.TraceVerbose)
{
StackTrace stackTrace = new StackTrace();
stackTrace.GetFrame(1).GetMethod();
}
this.DetermineNegotiatedOptions();
}
if (this.dimeRecordForRead == null)
{
if (TcpStream.TRACESWITCH.TraceVerbose)
{
StackTrace stackTrace2 = new StackTrace();
stackTrace2.GetFrame(1).GetMethod();
}
this.dimeReader.Close();
this.dimeReader = null;
this.endOfStream = true;
result = DataType.Undetermined;
}
else
{
DataType dataTypeFromString = DataTypes.GetDataTypeFromString(this.dimeRecordForRead.Type);
if (TcpStream.TRACESWITCH.TraceVerbose)
{
StackTrace stackTrace3 = new StackTrace();
stackTrace3.GetFrame(1).GetMethod();
}
if (dataTypeFromString == DataType.Unknown)
{
throw new AdomdUnknownResponseException(XmlaSR.Dime_DataTypeNotSupported(this.dimeRecordForRead.Type), "");
}
result = dataTypeFromString;
}
}
}
catch (XmlaStreamException)
{
throw;
}
catch (IOException innerException)
{
throw new XmlaStreamException(innerException);
}
catch (SocketException innerException2)
{
throw new XmlaStreamException(innerException2);
}
return(result);
}
public override int Read(byte[] buffer, int offset, int size)
{
if (this.disposed)
{
throw new ObjectDisposedException(null);
}
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
if (offset < 0)
{
throw new ArgumentOutOfRangeException("offset");
}
if (size < 0)
{
throw new ArgumentOutOfRangeException("size");
}
if (size + offset > buffer.Length)
{
throw new ArgumentException(XmlaSR.InvalidArgument, "buffer");
}
int result;
try
{
if (size == 0 || this.endOfStream)
{
result = 0;
}
else
{
if (this.dimeReader == null)
{
this.dimeReader = new DimeReader(this.bufferedStream);
this.dimeRecordForRead = this.dimeReader.ReadRecord();
if (TcpStream.TRACESWITCH.TraceVerbose)
{
StackTrace stackTrace = new StackTrace();
stackTrace.GetFrame(1).GetMethod();
}
}
if (this.dimeRecordForRead == null)
{
if (TcpStream.TRACESWITCH.TraceVerbose)
{
StackTrace stackTrace2 = new StackTrace();
stackTrace2.GetFrame(1).GetMethod();
}
this.dimeReader.Close();
this.dimeReader = null;
this.endOfStream = true;
result = 0;
}
else
{
int num = this.dimeRecordForRead.ReadBody(buffer, offset, size);
if (TcpStream.TRACESWITCH.TraceVerbose)
{
StackTrace stackTrace3 = new StackTrace();
stackTrace3.GetFrame(1).GetMethod();
}
if (num == 0)
{
this.dimeRecordForRead.Close();
this.dimeReader.Close();
this.dimeRecordForRead = null;
this.dimeReader = null;
this.endOfStream = true;
}
result = num;
}
}
}
catch (XmlaStreamException)
{
throw;
}
catch (IOException innerException)
{
throw new XmlaStreamException(innerException);
}
catch (SocketException innerException2)
{
throw new XmlaStreamException(innerException2);
}
return(result);
}
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;
}
