Class FileBlockProducer
Defined in File FileBlockProducer.h
Inheritance Relationships
Base Type
public ska::pst::common::BlockProducer
(Class BlockProducer)
Class Documentation
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class FileBlockProducer : public ska::pst::common::BlockProducer
Loads blocks of data from file.
Currently maps the entire file into memory as a single block.
Public Functions
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FileBlockProducer(const std::string &file_path)
Construct a new FileBlockProducer object.
- Parameters
file_path – path to the DADA file to open for reading
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~FileBlockProducer()
Destroy a FileBlockProducer object.
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virtual const ska::pst::common::AsciiHeader &get_header() const
Get the AsciiHeader that describes the DADA file contents.
- Returns
const ska::pst::common::AsciiHeader& header of the DADA file
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virtual BlockProducer::Block next_block()
Get the next block of data.
When first called, returns a pair containing
the base address of the start of data in the memory-mapped DADA file
the size of the file in bytes (minus the size of the header) If called again, this function returns (nullptr, 0)
Protected Attributes
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std::unique_ptr<ska::pst::common::FileReader> reader
the DADA file reader
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BlockProducer::Block block_info
the details of the entire block
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BlockProducer::Block next_block_info
the details of the next block
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FileBlockProducer(const std::string &file_path)