this class handles file/directory management and uses dbManager to perform calls More...

#include <FileService.h>

Public Types
using	indexType = db_services::indexType

Public Member Functions
	FileService ()=default

template<dbUsageStrategy dbUsageStrategy = use>
int	dbLoad (std::string_view dbName, std::string_view configurationFile=db_services::cfileName)

template<dbUsageStrategy dbUsageStrategy = use>
int	dbLoad (db_services::myConnString &cStr)

int	dbDrop (std::string_view dbName)

template<dataInsetionStrategy data_insertion_str = PreserveOld>
int	processDirectory (std::string_view dirPath, size_t segmentSize, const hash_function &hash=SHA_256)

template<dataInsetionStrategy data_insertion_str = PreserveOld, bool existence_checks = true>
int	processFile (std::string_view filePath, size_t segmentSize, const hash_function &hash=SHA_256)

int	insertDirEntry (std::string_view dirPath)

tl::expected< double, int >	getCoefficient ()

tl::expected< std::array< int, 5 >, int >	getDataD ()

template<rootDirectoryHandlingStrategy root_directory_str = NoCreateMain, dataRetrievalStrategy retrievalStrategy = Persist>
int	loadDirectory (std::string_view fromDir, std::string_view toDir)

template<rootDirectoryHandlingStrategy dir_s = NoCreateMain, dataRetrievalStrategy retrievalStrategy = Persist, bool from_load_dir = false>
int	loadFile (std::string_view fromFile, std::string_view toFile, indexType fileId=paramType::EmptyParameterValue)

int	deleteFile (std::string_view filePath)

int	deleteDirectory (std::string_view dirPath)

bool	checkConnection ()

int	clearSegments ()

template<typename ResType1 , typename ... Args>
tl::expected< ResType1, int >	executeInTransaction (ResType1(*call)(db_services::trasnactionType &, Args ...), Args &&... args)

template<typename ResType1 , typename ... Args>
tl::expected< ResType1, int >	executeInTransaction (const std::function< ResType1(db_services::trasnactionType &, Args ...)> &call, Args &&... args)

void	disconnect ()

Detailed Description

this class handles file/directory management and uses dbManager to perform calls

This class have comfortable wrappers for most db_services::dbManager functions

Some external helepr functions can be found here.

Member Typedef Documentation

◆ indexType

using file_services::FileService::indexType = db_services::indexType

Constructor & Destructor Documentation

◆ FileService()

file_services::FileService::FileService ( )

default

Member Function Documentation

◆ checkConnection()

bool file_services::FileService::checkConnection ( )

inline

◆ clearSegments()

int file_services::FileService::clearSegments ( )

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◆ dbDrop()

int file_services::FileService::dbDrop ( std::string_view dbName )

inline

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◆ dbLoad() [1/2]

template<dbUsageStrategy str>

int file_services::FileService::dbLoad ( db_services::myConnString & cStr )

Template Parameters

dbUsageStrategy

Parameters

cStr	"dbLoad(std::string_view dbName, std::string_view configurationFile = db_services::cfileName) "dbLoad()"

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◆ dbLoad() [2/2]

template<dbUsageStrategy str>

int file_services::FileService::dbLoad	(	std::string_view	dbName,
		std::string_view	configurationFile = `db_services::cfileName`
	)

This function handles database open/create action If db_usage_str==create this function will create new database othervice it'll try to open existing database.

Template Parameters

dbUsageStrategy
hash

Parameters

dbName
configurationFile

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◆ deleteDirectory()

int file_services::FileService::deleteDirectory ( std::string_view dirPath )

Deletes database entry and data for directory

Parameters

dirPath

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◆ deleteFile()

int file_services::FileService::deleteFile ( std::string_view filePath )

Deletes file entry and data from database

Parameters

filePath

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◆ disconnect()

void file_services::FileService::disconnect ( )

inline

◆ executeInTransaction() [1/2]

template<typename ResType1 , typename ... Args>

tl::expected<ResType1, int> file_services::FileService::executeInTransaction	(	const std::function< ResType1(db_services::trasnactionType &, Args ...)> &	call,
		Args &&...	args
	)

inline

Wrapper for assoctiated dbManger member function

See also: dbManager::executeInTransaction(const std::function< ResultType (trasnactionType &, Args ...)> & call,Args &&... args ) "executeInTransaction()"

◆ executeInTransaction() [2/2]

template<typename ResType1 , typename ... Args>

tl::expected<ResType1, int> file_services::FileService::executeInTransaction	(	ResType1(*)(db_services::trasnactionType &, Args ...)	call,
		Args &&...	args
	)

inline

Wrapper for associated dbManger member function

See also: executeInTransaction()

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◆ getCoefficient()

tl::expected< double, int > file_services::FileService::getCoefficient ( )

Gets unique segments percentage

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◆ getDataD()

tl::expected< std::array< int, 5 >, int > file_services::FileService::getDataD ( )

Gets database sizes statistics

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◆ insertDirEntry()

int file_services::FileService::insertDirEntry ( std::string_view dirPath )

Insert entry for directory

Parameters

dirPath

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◆ loadDirectory()

template<rootDirectoryHandlingStrategy dir_s, dataRetrievalStrategy rr>

int file_services::FileService::loadDirectory	(	std::string_view	fromDir,
		std::string_view	toDir
	)

Retrieves directory from database to to_dir

Template Parameters

root_directory_str
retrievalStrategy

Parameters

fromDir
toDir

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◆ loadFile()

template<rootDirectoryHandlingStrategy dir_s, dataRetrievalStrategy rr, bool from_load_dir>

int file_services::FileService::loadFile	(	std::string_view	fromFile,
		std::string_view	toFile,
		indexType	fileId = `paramType::EmptyParameterValue`
	)

Retrieves file from database to to_file

Template Parameters

dir_s
retrievalStrategy

Parameters

fromFile
toFile

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◆ processDirectory()

template<dataInsetionStrategy strategy>

int file_services::FileService::processDirectory	(	std::string_view	dirPath,
		size_t	segmentSize,
		const hash_function &	hash = `SHA_256`
	)

Processes all files in the given directory runs processFile() for each file

Template Parameters

data_insertion_str

Parameters

dirPath
segmentSize
hash

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◆ processFile()

template<dataInsetionStrategy strategy, bool existence_checks>

int file_services::FileService::processFile	(	std::string_view	filePath,
		size_t	segmentSize,
		const hash_function &	hash = `SHA_256`
	)

Creates entry for file in database.

Load file segments into temp table.

Upsets segment entiries

Add file data.

Template Parameters

data_insertion_str
existence_checks

Parameters

filePath
segmentSize
hash

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

/home/runner/work/data_deduplication_service/data_deduplication_service/include/FileService.h
/home/runner/work/data_deduplication_service/data_deduplication_service/lib/FileService.cpp

Public Types

Public Member Functions

Detailed Description

Member Typedef Documentation

◆ indexType

Constructor & Destructor Documentation

◆ FileService()

Member Function Documentation

◆ checkConnection()

◆ clearSegments()

◆ dbDrop()

◆ dbLoad() [1/2]

◆ dbLoad() [2/2]

◆ deleteDirectory()

◆ deleteFile()

◆ disconnect()

◆ executeInTransaction() [1/2]

◆ executeInTransaction() [2/2]

◆ getCoefficient()

◆ getDataD()

◆ insertDirEntry()

◆ loadDirectory()

◆ loadFile()

◆ processDirectory()

◆ processFile()