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| BdsApi 2.0.11 |
Public Member Functions | Static Public Member Functions | Private Member Functions | Private Attributes | List of all members
Bds::DataFileTapeDigitiser Class Reference
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 (const DataInfo &dataInfo, const 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 (const DataBlock &data) |
| Write a block of data. More... | |
| virtual BError | end () |
| End segment. More... | |
| virtual BError | flush () |
| Flush data to disk. 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 (const 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 (const DataBlock &data1, const 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
◆ DataFileTapeDigitiser()
| Bds::DataFileTapeDigitiser::DataFileTapeDigitiser | ( | ) |
Member Function Documentation
◆ blockNumSamples()
| private |
Returns the number of samples of data in a block.
◆ blockSize()
| private |
Returns the data block size in bytes.
◆ computeChecksum()
| private |
◆ getFormats()
| static |
◆ getInfo()
| virtual |
Get info on data.
Reimplemented from Bds::DataFile.
◆ open()
Open the file for reading or writing.
Reimplemented from Bds::DataFile.
◆ readData()
| virtual |
Read a block.
Reimplemented from Bds::DataFile.
◆ readHeader()
| private |
Read the file header info.
Member Data Documentation
◆ oblockNumSamples
| private |
◆ oblockSize
| private |
◆ obuffer
| private |
Data block buffer.
◆ odataInfo
| private |
◆ oheader
| private |
◆ oheaderSize
| private |
◆ osampleRate
| private |
◆ 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
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