ifhd::v100::IndexedFileV100 Class Reference

#include <indexedfile_v100.h>

Inheritance diagram for ifhd::v100::IndexedFileV100:

Collaboration diagram for ifhd::v100::IndexedFileV100:

Classes
struct	TagChunkHeader
struct	TagDateTime
struct	TagFileHeader
struct	TagIndexBlockItem

Public Types
enum	{ tf_chunk_index = 1 , tf_chunk_time = 2 }
typedef struct ifhd::v100::IndexedFileV100::TagDateTime	DateTime
typedef struct ifhd::v100::IndexedFileV100::TagFileHeader	FileHeader
typedef struct ifhd::v100::IndexedFileV100::TagChunkHeader	ChunkHeader

Public Member Functions
	IndexedFileV100 ()
	~IndexedFileV100 ()
void	close ()
void	setDescription (const std::string &description)
std::string	getDescription () const
void	setDateTime (const DateTime &date_time)
DateTime	getDateTime ()
void	allocHeaderExtension (int size)
void	freeHeaderExtension ()
void	getHeaderExtension (void **data, int *data_size)
void	setHeaderExtension (void *data, int data_size)

Protected Types
typedef struct ifhd::v100::IndexedFileV100::TagIndexBlockItem	IndexBlockItem

Protected Member Functions
void	initialize ()
void	allocBuffer (int size)
void	freeBuffer ()
void	allocIndexTable (int size)
void	freeIndexTable ()
void	appendIndex (uint64_t pos, timestamp_t time_stamp)
void	allocIndexBlock (int count=-1)
void	allocHeader ()
void	freeHeader ()
void	allocCache (int size)
void	freeCache ()
void *	getCacheAddr ()
int	getSectorSize (const std::string &filename) const
void *	internalMalloc (int size)
void	internalFree (void *memory)

Protected Attributes
bool	_attached
	File attached?
int	_sector_size
	Sector size.
utils5ext::File *	_file
	File pointer.
int64_t	_index
	Current index.
int64_t	_file_pos
	Current file position.
uint8_t *	_buffer
	Internal buffer.
int	_buffer_size
	Buffer size.
IndexBlockItem *	_index_blocks
	Pointer to index blocks.
IndexBlockItem *	_active_index_block
	Pointer to current index block.
FileHeader *	_file_header
	File header.
void *	_header_extension
	Header extension.
void *	_cache
	Pointer to cache.
int	_cache_size
	Cache size.
bool	_write_mode
	Write mode enabled?

Static Protected Attributes
static int	_default_block_size
	Default block size.
static int	_default_cache_size
	Default cache size.
static int	_index_table_cluster_size
	Size of index table clusters.

Detailed Description

Compatibility class for reading indexed files in format version 100.

Member Typedef Documentation

ChunkHeader

typedef struct ifhd::v100::IndexedFileV100::TagChunkHeader ifhd::v100::IndexedFileV100::ChunkHeader

ChunkHeader Structure

DateTime

typedef struct ifhd::v100::IndexedFileV100::TagDateTime ifhd::v100::IndexedFileV100::DateTime

DateTime Structure

FileHeader

typedef struct ifhd::v100::IndexedFileV100::TagFileHeader ifhd::v100::IndexedFileV100::FileHeader

FileHeader Structure

IndexBlockItem

typedef struct ifhd::v100::IndexedFileV100::TagIndexBlockItem ifhd::v100::IndexedFileV100::IndexBlockItem

protected

IndexBlockItem Structure

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
tf_chunk_time	time format used for lookup time See also ifhd::v100::IndexedFileReaderV100::lookupChunkRef

Constructor & Destructor Documentation

IndexedFileV100()

ifhd::v100::IndexedFileV100::IndexedFileV100

(

)

Default constructor.

~IndexedFileV100()

ifhd::v100::IndexedFileV100::~IndexedFileV100

(

)

Destructor.

Member Function Documentation

allocBuffer()

void ifhd::v100::IndexedFileV100::allocBuffer ( int size )

protected

Allocate internal buffer.

Parameters

size	[in] Size of buffer.

allocCache()

void ifhd::v100::IndexedFileV100::allocCache ( int size )

protected

Allocate cache.

Parameters

size	[in] Size of cache.

allocHeader()

void ifhd::v100::IndexedFileV100::allocHeader ( )

protected

Allocate header.

allocHeaderExtension()

void ifhd::v100::IndexedFileV100::allocHeaderExtension

(

int

size

)

Allocate memory for the header extension.

Parameters

size	[in] The amount of memory to allocate.

allocIndexBlock()

void ifhd::v100::IndexedFileV100::allocIndexBlock ( int count = -1 )

protected

Allocate index block.

Parameters

count

[in] Number of entries.

allocIndexTable()

void ifhd::v100::IndexedFileV100::allocIndexTable ( int size )

protected

Allocate index table.

Parameters

size	[in] Size of table.

appendIndex()

void ifhd::v100::IndexedFileV100::appendIndex ( uint64_t pos, timestamp_t time_stamp )

protected

Append index.

Parameters

pos	[in] Position.
time_stamp	[in] Timestamp.

close()

void ifhd::v100::IndexedFileV100::close

(

)

Closes the file.

freeBuffer()

void ifhd::v100::IndexedFileV100::freeBuffer ( )

protected

Free internal buffer.

freeCache()

void ifhd::v100::IndexedFileV100::freeCache ( )

protected

Free cache.

freeHeader()

void ifhd::v100::IndexedFileV100::freeHeader ( )

protected

Free header.

freeHeaderExtension()

void ifhd::v100::IndexedFileV100::freeHeaderExtension

(

)

Frees memory allocated for the header extension.

freeIndexTable()

void ifhd::v100::IndexedFileV100::freeIndexTable ( )

protected

Free index table.

getCacheAddr()

void * ifhd::v100::IndexedFileV100::getCacheAddr ( )

protected

Retrieve cache address.

Returns

Pointer to cache.

getDateTime()

DateTime ifhd::v100::IndexedFileV100::getDateTime

(

)

Get the timestamp of the file.

getDescription()

std::string ifhd::v100::IndexedFileV100::getDescription

(

)

const

Get the description of the file.

Returns

The description of the file.

getHeaderExtension()

void ifhd::v100::IndexedFileV100::getHeaderExtension	(	void **	data,
		int *	data_size )

Returns the header extension.

Parameters

data	[out] This will point to the header extension.
data_size	[out] The size of the header extension.

getSectorSize()

int ifhd::v100::IndexedFileV100::getSectorSize ( const std::string & filename ) const

protected

Get sector size of specified file.

Parameters

filename

[in] File to retrieve sector size of.

Returns

Sector size of file.

initialize()

void ifhd::v100::IndexedFileV100::initialize ( )

protected

Internal initialization method.

internalFree()

void ifhd::v100::IndexedFileV100::internalFree ( void * memory )

protected

Internal deallocation method.

Parameters

memory

[in] Pointer to memory.

internalMalloc()

void * ifhd::v100::IndexedFileV100::internalMalloc ( int size )

protected

Internal allocation method.

Parameters

size	[in] Size of Allocation.

Returns

Allocated memory.

setDateTime()

void ifhd::v100::IndexedFileV100::setDateTime

(

const DateTime &

date_time

)

Set the timestamp of the file.

Parameters

date_time

[in] The new timestamp.

setDescription()

void ifhd::v100::IndexedFileV100::setDescription

(

const std::string &

description

)

Sets the description of the file

Parameters

description

[in] The new description.

setHeaderExtension()

void ifhd::v100::IndexedFileV100::setHeaderExtension	(	void *	data,
		int	data_size )

Set the header extension.

Parameters

data	[in] The new extension data.
data_size	[in] The size of the extension data.

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

• include/ifhd/v100/indexedfile_v100.h