#include <indexedfile_v201_v301.h>

Inheritance diagram for ifhd::v201_v301::IndexedFile:

Collaboration diagram for ifhd::v201_v301::IndexedFile:

Classes
struct	FileExtensionStruct

Public Member Functions
	IndexedFile ()

virtual	~IndexedFile ()

virtual void	close ()

virtual std::set< uint32_t >	getSupportedVersions () const
	Get a set of all supported versions.

void	setDescription (const std::string &description)

std::string	getDescription () const

std::string	getGUID () const

a_util::datetime::DateTime	getDateTime () const

uint8_t	getByteOrder () const

size_t	getExtensionCount () const

bool	findExtension (const char identifier, FileExtension extension_info, void *data) const

void	getExtension (size_t index, FileExtension extension_info, void data) const

void	appendExtension (const char identifier, const void data, size_t data_size, uint32_t type_id=0, uint32_t file_version_id=0, uint16_t stream_id=0, uint32_t user_id=0)

void	appendExtension (const void data, const FileExtension extension_info)

void	freeExtensions ()

void	getHeaderRef (FileHeader **file_header) const

Protected Types
typedef std::list< FileExtensionStruct >	FileExtensionList
	own type definition for a better work with file extension lists

Protected Member Functions
void	setDateTime (const a_util::datetime::DateTime &date_time)

virtual void	initialize ()

void	allocBuffer (uint64_t size)

void	freeBuffer ()

void	allocHeader ()

void	freeHeader ()

void	allocExtensionPage (utils5ext::FileSize size, void **data) const

void	setGUID ()

void	generateNewGUID (std::string &generated_guid)

void	allocCache (int64_t size)

void	freeCache ()

void *	getCacheAddr () const

void *	internalMalloc (size_t size) const

void	internalFree (void *memory) const

Protected Attributes
utils5ext::File	_file
	the open file

FilePos	_file_pos
	current filepos

uint8_t *	_buffer
	internal Buffer

int64_t	_buffer_size
	internal Buffer size

FileHeader *	_file_header
	current file header

bool	_write_guid
	protection for writing GUID

FileExtensionList	_extensions
	list with all extensions

void *	_cache
	cache data area

uint64_t	_cache_size
	size of cache

bool	_write_mode
	For internal use only (will be moved to a private implementation).

Static Protected Attributes
static const uint8_t	byte_order
	current value of platform ByteOrder (

static int64_t	default_block_size
	Default block size in bytes.

static int64_t	default_cache_size
	Default cache size in bytes.

Detailed Description

Base class for all indexed file classes.

FILE LAYOUT for Version 2.0.1: +----------------------------------------------------------------------------------—+
|HDR| DATA | EXTENSIONS | EXTENSIONSHEADER-HDR |
+----------------------------------------------------------------------------------—+

FILE LAYOUT for Version 2.0.2: +-----------------------------------------------------------------------------------------------—+
|HDR| QUEUED HISTORY CHUNK DATA | SORTED CHUNK DATA | EXTENSIONS | EXTENSIONSHEADER-HDR |
+-----------------------------------------------------------------------------------------------—+

Special Extensions to provide:

GUUID within the File
MASTER Index Table
Stream Index Tables

Constructor & Destructor Documentation

◆ IndexedFile()

ifhd::v201_v301::IndexedFile::IndexedFile ( )

Default constructor.

◆ ~IndexedFile()

virtual ifhd::v201_v301::IndexedFile::~IndexedFile ( )

virtual

Destructor.

Member Function Documentation

◆ allocBuffer()

void ifhd::v201_v301::IndexedFile::allocBuffer ( uint64_t size )

protected

Allocates an internal buffer.

Parameters

[in] size The size in bytes to allocate.

◆ allocCache()

void ifhd::v201_v301::IndexedFile::allocCache ( int64_t size )

protected

Initialzes an internal cache.

Parameters

[in] size The size of the cache.

◆ allocExtensionPage()

void ifhd::v201_v301::IndexedFile::allocExtensionPage	(	utils5ext::FileSize	size,
		void **	data ) const

protected

Allocate memory for an extension.

Parameters

[in]	size	The amount of bytes to allocate.
[out]	data	Pointer to the allocated space.

◆ allocHeader()

void ifhd::v201_v301::IndexedFile::allocHeader ( )

protected

Allocates the header structure/data.

◆ appendExtension() [1/2]

void ifhd::v201_v301::IndexedFile::appendExtension	(	const char *	identifier,
		const void *	data,
		size_t	data_size,
		uint32_t	type_id = 0,
		uint32_t	file_version_id = 0,
		uint16_t	stream_id = 0,
		uint32_t	user_id = 0 )

Adds a new extension to the file.

Warning: The extension 'GUID' is protected and could not be overwritten

Parameters

identifier	The identifier of the extension.
data	The extension data.
data_size	The data size.
type_id	An optional type id
file_version_id	An optional version id
stream_id	An optional stream id
user_id	An optional user id

Exceptions

std::runtime_error	if file not in write mode
std::invalid_argument	if identifier is not valid

◆ appendExtension() [2/2]

void ifhd::v201_v301::IndexedFile::appendExtension	(	const void *	data,
		const FileExtension *	extension_info )

Adds a new extension to the file.

Warning: The extension 'GUID' is protected and could not be overwritten

Parameters

data	The extension data.
extension_info	The extension info.

Exceptions

std::runtime_error	if file not in write mode
std::invalid_argument	if identifier is not valid

◆ close()

virtual void ifhd::v201_v301::IndexedFile::close ( )

virtual

Closes the file.

Reimplemented in ifhd::v201_v301::IndexedFileReader, and ifhd::v201_v301::IndexedFileWriter.

◆ findExtension()

bool ifhd::v201_v301::IndexedFile::findExtension	(	const char *	identifier,
		FileExtension **	extension_info,
		void **	data ) const

Finds an extension with a specific identifier.

Parameters

identifier	The identifier of the extension
extension_info	The extension info data.
data	The extension data.

Return values

true	extension found
false	extension not found

◆ freeBuffer()

void ifhd::v201_v301::IndexedFile::freeBuffer ( )

protected

Releases the internal buffer.

◆ freeCache()

void ifhd::v201_v301::IndexedFile::freeCache ( )

protected

Releases the cache.

◆ freeExtensions()

void ifhd::v201_v301::IndexedFile::freeExtensions ( )

Frees all extensions.

◆ freeHeader()

void ifhd::v201_v301::IndexedFile::freeHeader ( )

protected

Releases the header data.

◆ generateNewGUID()

void ifhd::v201_v301::IndexedFile::generateNewGUID ( std::string & generated_guid )

protected

Generates a new GUID (XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX)

Parameters

[out] generated_guid new generated GUID

◆ getByteOrder()

uint8_t ifhd::v201_v301::IndexedFile::getByteOrder ( ) const

Returns the byteorder of the file.

Returns: PLATFORM_LITTLE_ENDIAN_8 or PLATFORM_BIG_ENDIAN_8

◆ getCacheAddr()

void * ifhd::v201_v301::IndexedFile::getCacheAddr ( ) const

protected

Returns the cache pointer

◆ getDateTime()

a_util::datetime::DateTime ifhd::v201_v301::IndexedFile::getDateTime ( ) const

Get the timestamp of the file.

Returns: The timestamp.

◆ getDescription()

std::string ifhd::v201_v301::IndexedFile::getDescription ( ) const

Returns the description of the file.

Returns: The description of the file.

◆ getExtension()

void ifhd::v201_v301::IndexedFile::getExtension	(	size_t	index,
		FileExtension **	extension_info,
		void **	data ) const

Get an extension with a specific index.

Parameters

index	The index of the extension.
extension_info	The extension info data.
data	The extension data.

Exceptions

std::out_of_range if index is out of range

◆ getExtensionCount()

size_t ifhd::v201_v301::IndexedFile::getExtensionCount ( ) const

Get the amount of extensions in the file.

Returns: The amount of extensions in the file.

◆ getGUID()

std::string ifhd::v201_v301::IndexedFile::getGUID ( ) const

Get the GUID of the file.

Returns: The GUID.

◆ getHeaderRef()

void ifhd::v201_v301::IndexedFile::getHeaderRef ( FileHeader ** file_header ) const

Returns the file header.

Parameters

[out] file_header Will point to the file header.

◆ getSupportedVersions()

virtual std::set< uint32_t > ifhd::v201_v301::IndexedFile::getSupportedVersions ( ) const

virtual

Get a set of all supported versions.

Returns: std::set<uint32_t>

Reimplemented in ifhd::v400::IndexedFileReader, and ifhd::v500::IndexedFileReader.

◆ initialize()

virtual void ifhd::v201_v301::IndexedFile::initialize ( )

protectedvirtual

Initializes internal data.

Reimplemented in ifhd::v201_v301::IndexedFileReader, and ifhd::v201_v301::IndexedFileWriter.

◆ internalFree()

void ifhd::v201_v301::IndexedFile::internalFree ( void * memory ) const

protected

Release memory.

Parameters

[in] memory The memory which should be free'd.

◆ internalMalloc()

void * ifhd::v201_v301::IndexedFile::internalMalloc ( size_t size ) const

protected

Allocates memory.

Parameters

[in] size The size of the data block.

Returns: Pointer to the allocated space.

◆ setDateTime()

void ifhd::v201_v301::IndexedFile::setDateTime ( const a_util::datetime::DateTime & date_time )

protected

Set the timestamp of the file. The timestamp is calculated from the passed date/time structure while the current time zone from the system is used.

Parameters

[in] date_time The new date/time for the timestamp.

◆ setDescription()

void ifhd::v201_v301::IndexedFile::setDescription ( const std::string & description )

Sets the description of the file.

Parameters

description [in] The new description.

◆ setGUID()

void ifhd::v201_v301::IndexedFile::setGUID ( )

protected

Sets the GUID of the file.

Member Data Documentation

◆ byte_order

const uint8_t ifhd::v201_v301::IndexedFile::byte_order

staticprotected

current value of platform ByteOrder (

See also: PLATFORM_BYTEORDER_UINT8)

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

include/ifhd/v201_v301/indexedfile_v201_v301.h

Classes

Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Static Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ IndexedFile()

◆ ~IndexedFile()

Member Function Documentation

◆ allocBuffer()

◆ allocCache()

◆ allocExtensionPage()

◆ allocHeader()

◆ appendExtension() [1/2]

◆ appendExtension() [2/2]

◆ close()

◆ findExtension()

◆ freeBuffer()

◆ freeCache()

◆ freeExtensions()

◆ freeHeader()

◆ generateNewGUID()

◆ getByteOrder()

◆ getCacheAddr()

◆ getDateTime()

◆ getDescription()

◆ getExtension()

◆ getExtensionCount()

◆ getGUID()

◆ getHeaderRef()

◆ getSupportedVersions()

◆ initialize()

◆ internalFree()

◆ internalMalloc()

◆ setDateTime()

◆ setDescription()

◆ setGUID()

Member Data Documentation

◆ byte_order