#include <TapeRead.hpp>

Public Member Functions
	TapeRead (const char *szPath)

virtual	~TapeRead ()

virtual void	set_max_block_size (int nSize)

virtual int	get_max_block_size () const

virtual void	set_max_errors (int nErrors)

virtual int	get_max_errors () const

virtual const char *	get_tape_name () const

virtual unsigned char *	get_block_buffer () const

virtual ErrCode	observe ()

virtual void	finish ()

virtual int	files_on_tape () const

virtual int	size_of_tape () const

virtual void	start_of_tape ()

virtual void	start_of_file (int iFile)

virtual void	block_of_file (int iFile, int iBlock, const unsigned char *pBlockData, int nBlockSize)

virtual void	end_of_block_sequence (int iFile, int iBlock1, int iBlock2, int nBlockSize)

virtual void	end_of_file (int iFile, int nBlocks, int nFileSize)

virtual void	end_of_tape ()

virtual void	final (bool bNormal)

Protected Attributes
char *	szDataLocAddress

int	nMaxBlockSize

int	nMaxErrors

unsigned char *	pBlockBuffer

int	nFiles

int	nTapeSize

bool	bFinish

Detailed Description

Abstraction for magnetic tape reader device access.

Constructor & Destructor Documentation

TapeRead::TapeRead ( const char * szPath )

Create object for reading given tape (or other medium).

virtual TapeRead::~TapeRead ( )

virtual

Destroy the object and release all catched resources.

Member Function Documentation

virtual void TapeRead::block_of_file	(	int	iFile,
		int	iBlock,
		const unsigned char *	pBlockData,
		int	nBlockSize
	)

virtual

Called on tape block was read. At least one block must exist in the file.

virtual void TapeRead::end_of_block_sequence	(	int	iFile,
		int	iBlock1,
		int	iBlock2,
		int	nBlockSize
	)

virtual

Called on the end of tape block sequence iBlock1..iBlock2 with the same length nBlockSize.

virtual void TapeRead::end_of_file	(	int	iFile,
		int	nBlocks,
		int	nFileSize
	)

virtual

Called just after the last file's block was read. At least one tape file must exist on the tape.

virtual void TapeRead::end_of_tape ( )

virtual

Called just after the last file on the tape was read.

virtual int TapeRead::files_on_tape ( ) const

virtual

Number of files on the tape.

virtual void TapeRead::final ( bool bNormal )

virtual

Called just after end_of_tape() but is called even if finish() caused break of the observation process. True is passed in case of normal finish (after end_of_tape()) and false is passed in case of abnormal one (caoused by finish() call in any of event processing methods).

virtual void TapeRead::finish ( )

virtual

Break the observation method.

virtual unsigned char* TapeRead::get_block_buffer ( ) const

virtual

Get the pointer to block buffer.

virtual int TapeRead::get_max_block_size ( ) const

virtual

Get maximum tape block size.

virtual int TapeRead::get_max_errors ( ) const

virtual

Get maximum number of reading errors.

virtual const char* TapeRead::get_tape_name ( ) const

virtual

Get the data location (path).

virtual ErrCode TapeRead::observe ( )

virtual

Iterate trough the whole tape contents raising events on the way. Statistics is reset at the start of observe() method.

virtual void TapeRead::set_max_block_size ( int nSize )

virtual

Setup maximum tape block size.

virtual void TapeRead::set_max_errors ( int nErrors )

virtual

Setup maximum number of reading errors.

virtual int TapeRead::size_of_tape ( ) const

virtual

Total size of files on the tape.

virtual void TapeRead::start_of_file ( int iFile )

virtual

Called just before new tape file is read. At least one tape file must exist on the tape. Index of file on the tape is passed as an argument.

virtual void TapeRead::start_of_tape ( )

virtual

Called just before tape is read.

Member Data Documentation

bool TapeRead::bFinish

protected

Break the observing method.

int TapeRead::nFiles

protected

Total number of files on the tape. Before observer() is equal to 0.

int TapeRead::nMaxBlockSize

protected

Maximum length of tape record.

int TapeRead::nMaxErrors

protected

Maximum allowed number of read errors.

int TapeRead::nTapeSize

protected

Total tape size. Before observer() is equal to 0.

unsigned char* TapeRead::pBlockBuffer

protected

Preallocated buffer for the most long tape record.

char* TapeRead::szDataLocAddress

protected

Data location address. Usually path to the tape device.

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

/net/opt/univers/ubp-i-15.3-centos7-x64.urij/include/mix/TapeRead.hpp

Public Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation