This class implements the TapeDigitiser's file output conversion and storeing system. More...

#include <BdsDataFileTapeDigitiser.h>

Inheritance diagram for Bds::DataFileTapeDigitiser:

Public Member Functions
	DataFileTapeDigitiser ()

BError	open (BString fileName, BString mode)
	Open the file for reading or writing. More...

BError	getInfo (DataInfo &dataInfo, DataFileOptions options, BList< DataError > &errors)
	Get info on data. More...

BError	readData (BUInt32 channel, BUInt segment, BUInt32 blockNumber, DataBlock &data)
	Read a block. More...

Public Member Functions inherited from Bds::DataFile
	DataFile ()

virtual	~DataFile ()

virtual void	init ()
	Initialise. More...

virtual BError	close ()
	Close the file. More...

virtual BError	setFormat (BString format)
	Set the sub-format. More...

virtual BString	getFileName ()
	Return the file name. More...

virtual DataOrder	getDataOrder ()
	Get the expected order of writing data, by sample or by channel. More...

virtual int	getFeatures ()
	Get bitmask of supported features. More...

virtual BError	setInfo (DataInfo &dataInfo, ChannelInfos &channelInfos, WriteOptionsList options=WriteOptionNone)
	Set information on data for write. More...

virtual BError	start (BUInt channel, BUInt segment)
	Start next segment of data. More...

virtual BError	writeData (DataBlock &data)
	Write a block of data. More...

virtual BError	end ()
	End segment. More...

virtual BError	fileNameProcess ()
	Parse the file name for a date/time. More...

virtual BError	getFormat (BString &format)
	Get sub-format. More...

virtual BError	seekBlock (BUInt32 channel, BUInt segment, BTimeStamp time, BUInt32 &blockNumber, BUInt64 &sampleNumber, DataBlock &data)
	Find requested block on given channel given a time. More...

virtual BError	getMetaData (ChannelInfos &channelInfos)
	Return all known MetaData in the file. More...

void	dataErrorFixup (DataInfo &dataInfo, BList< DataError > &errors)
	Fixup data errors, mainly start/end times to be within data. More...

BInt64	timeCompare (BTimeStamp t1, BTimeStamp t2, BUInt diff)
	Compare timestamps with a margin. More...

int	duplicateCheck (DataBlock &data1, DataBlock &data2, BUInt channel=0)
	Check if blocks are duplicates. More...

BUInt64	getFilePosition ()

Static Public Member Functions
static DataFormat	getFormats ()

Static Public Member Functions inherited from Bds::DataFile
static DataFormat	getFormats ()
	Get list of supported formats. More...

Private Member Functions
uint32_t	blockSize ()
	Returns the data block size in bytes. More...

uint32_t	blockNumSamples ()
	Returns the number of samples of data in a block. More...

BError	readHeader (BDictString &header)
	Read the file header info. More...

uint32_t	computeChecksum (void *data, int nBytes)

Private Attributes
BDictString	oheader

off64_t	oheaderSize

uint32_t	oblockSize

uint32_t	oblockNumSamples

double	osampleRate

BBuffer	obuffer
	Data block buffer. More...

BString	oversion

DataInfo	odataInfo

Additional Inherited Members
Public Types inherited from Bds::DataFile
enum	DataOrder { DataOrderUnknown, DataOrderAll, DataOrderSample, DataOrderChannel }

enum	Features { FeatureNone = 0x00, FeatureCanWrite = 0x01, FeatureCanRead = 0x02 }

enum	WriteOptionsList { WriteOptionNone = 0x00, WriteOptionSensorData = 0x01, WriteOptionNoMetadata = 0x02 }

enum	ReadOptionsList { ReadOptionNone = 0x00, ReadOptionValidate = 0x01, ReadOptionFileNameProcess = 0x02, ReadOptionValidateCorruptions = 0x04, ReadOptionReorder = 0x08, ReadOptionDeleteDuplicates = 0x10, ReadOptionInfoExtra = 0x20, ReadOptionIgnoreSamplerate = 0x40, ReadOptionPrintBlocks = 0x80 }

Protected Attributes inherited from Bds::DataFile
BString	ofileName

BString	omode

BTimeStamp	ofileNameTime

BFile	ofile

BString	oformat

Detailed Description

This class implements the TapeDigitiser's file output conversion and storeing system.

Constructor & Destructor Documentation

Bds::DataFileTapeDigitiser::DataFileTapeDigitiser ( )

Member Function Documentation

uint32_t Bds::DataFileTapeDigitiser::blockNumSamples ( )

private

Returns the number of samples of data in a block.

uint32_t Bds::DataFileTapeDigitiser::blockSize ( )

private

Returns the data block size in bytes.

uint32_t Bds::DataFileTapeDigitiser::computeChecksum	(	void *	data,
		int	nBytes
	)

private

DataFormat Bds::DataFileTapeDigitiser::getFormats ( )

static

BError Bds::DataFileTapeDigitiser::getInfo	(	DataInfo &	dataInfo,
		DataFileOptions	options,
		BList< DataError > &	errors
	)

virtual

Get info on data.

Reimplemented from Bds::DataFile.

BError Bds::DataFileTapeDigitiser::open	(	BString	fileName,
		BString	mode
	)

virtual

Open the file for reading or writing.

Reimplemented from Bds::DataFile.

BError Bds::DataFileTapeDigitiser::readData	(	BUInt32	channel,
		BUInt	segment,
		BUInt32	blockNumber,
		DataBlock &	dataBlock
	)

virtual

Read a block.

Reimplemented from Bds::DataFile.

BError Bds::DataFileTapeDigitiser::readHeader ( BDictString & header )

private

Read the file header info.

Member Data Documentation

uint32_t Bds::DataFileTapeDigitiser::oblockNumSamples

private

uint32_t Bds::DataFileTapeDigitiser::oblockSize

private

BBuffer Bds::DataFileTapeDigitiser::obuffer

private

Data block buffer.

DataInfo Bds::DataFileTapeDigitiser::odataInfo

private

BDictString Bds::DataFileTapeDigitiser::oheader

private

off64_t Bds::DataFileTapeDigitiser::oheaderSize

private

double Bds::DataFileTapeDigitiser::osampleRate

private

BString Bds::DataFileTapeDigitiser::oversion

private

The documentation for this class was generated from the following files:

/src/blacknest/bds/bds/bdsDataLib/BdsDataFileTapeDigitiser.h
/src/blacknest/bds/bds/bdsDataLib/BdsDataFileTapeDigitiser.cpp

Public Member Functions

Static Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation