oasys::FileSystemStore Class Reference

#include <FileSystemStore.h>

Inheritance diagram for oasys::FileSystemStore:

List of all members.

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Detailed Description

The most obvious layering of backing store -- use the file system directly.

NEW: Now with a level of indirection!

Definition at line 68 of file FileSystemStore.h.

Public Member Functions
	FileSystemStore (const char *logpath)
FileSystemStore &	operator= (const FileSystemStore &)
	FileSystemStore (const FileSystemStore &)
	~FileSystemStore ()
int	init (const StorageConfig &cfg)
	virtual from DurableStoreImpl
int	get_table (DurableTableImpl **table, const std::string &name, int flags, PrototypeVector &prototypes)
	virtual from DurableStoreImpl
int	del_table (const std::string &name)
	virtual from DurableStoreImpl
int	get_table_names (StringVector *names)
	virtual from DurableStoreImpl
Private Types
typedef oasys::OpenFdCache< std::string >	FdCache
Private Member Functions
int	check_database ()
	Check for the existance of databases.
int	init_database ()
	Create the database.
void	tidy_database ()
	Wipe the database.
int	acquire_table (const std::string &table)
	Changes the ref count on the tables.
int	release_table (const std::string &table)
	Changes the ref count on the tables.
Private Attributes
bool	init_
std::string	db_dir_
	parent directory for the db
std::string	tables_dir_
	directory where the tables are stored
RefCountMap	ref_count_
int	default_perm_
	Default permissions on database files.
FdCache *	fd_cache_
Friends
class	FileSystemTable

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Member Typedef Documentation

typedef oasys::OpenFdCache<std::string> oasys::FileSystemStore::FdCache [private]

Definition at line 71 of file FileSystemStore.h.

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Constructor & Destructor Documentation

oasys::FileSystemStore::FileSystemStore

(

const char *

logpath

)

Definition at line 59 of file FileSystemStore.cc.

oasys::FileSystemStore::FileSystemStore

(

const FileSystemStore &

)

oasys::FileSystemStore::~FileSystemStore

(

)

Definition at line 68 of file FileSystemStore.cc.

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Member Function Documentation

FileSystemStore& oasys::FileSystemStore::operator=

(

const FileSystemStore &

)

int oasys::FileSystemStore::init

(

const StorageConfig &

cfg

)

[virtual]

virtual from DurableStoreImpl

Implements oasys::DurableStoreImpl.

Definition at line 73 of file FileSystemStore.cc.

References oasys::FileUtils::abspath(), check_database(), db_dir_, oasys::StorageConfig::dbdir_, oasys::StorageConfig::dbname_, fd_cache_, oasys::StorageConfig::fs_fd_cache_size_, init_, oasys::StorageConfig::init_, init_database(), log_err, log_info, oasys::Logger::logpath_, tables_dir_, tidy, oasys::StorageConfig::tidy_, and tidy_database().

int oasys::FileSystemStore::get_table	(	DurableTableImpl **	table,
		const std::string &	name,
		int	flags,
		PrototypeVector &	prototypes
	)

virtual from DurableStoreImpl

Definition at line 136 of file FileSystemStore.cc.

References ASSERT, default_perm_, oasys::DS_CREATE, oasys::DS_ERR, oasys::DS_EXCL, oasys::DS_EXISTS, oasys::DS_MULTITYPE, oasys::DS_NOTFOUND, errno, fd_cache_, FileSystemTable, init_, log_err, oasys::Logger::logpath_, and tables_dir_.

int oasys::FileSystemStore::del_table

(

const std::string &

name

)

[virtual]

virtual from DurableStoreImpl

Implements oasys::DurableStoreImpl.

Definition at line 185 of file FileSystemStore.cc.

References ASSERT, errno, init_, log_warn, oasys::FileUtils::rm_all_from_dir(), and tables_dir_.

int oasys::FileSystemStore::get_table_names

(

StringVector *

names

)

[virtual]

virtual from DurableStoreImpl

Implements oasys::DurableStoreImpl.

Definition at line 209 of file FileSystemStore.cc.

References oasys::DS_ERR, log_err, and tables_dir_.

int oasys::FileSystemStore::check_database

(

)

[private]

Check for the existance of databases.

Returns:

0 on no error.

-2 if the database file doesn't exist. Otherwise -1.

Definition at line 232 of file FileSystemStore.cc.

References errno, and tables_dir_.

Referenced by init().

int oasys::FileSystemStore::init_database

(

)

[private]

Create the database.

Returns:

0 on no error.

Definition at line 249 of file FileSystemStore.cc.

References db_dir_, default_perm_, errno, log_notice, log_warn, and tables_dir_.

Referenced by init().

void oasys::FileSystemStore::tidy_database

(

)

[private]

Wipe the database.

Returns:

0 on no error.

Definition at line 270 of file FileSystemStore.cc.

References ASSERT, db_dir_, and log_notice.

Referenced by init().

int oasys::FileSystemStore::acquire_table

(

const std::string &

table

)

[private]

Changes the ref count on the tables.

int oasys::FileSystemStore::release_table

(

const std::string &

table

)

[private]

Changes the ref count on the tables.

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Friends And Related Function Documentation

friend class FileSystemTable [friend]

Definition at line 69 of file FileSystemStore.h.

Referenced by get_table().

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Member Data Documentation

bool oasys::FileSystemStore::init_ [private]

Definition at line 93 of file FileSystemStore.h.

Referenced by del_table(), get_table(), and init().

std::string oasys::FileSystemStore::db_dir_ [private]

parent directory for the db

Definition at line 94 of file FileSystemStore.h.

Referenced by init(), init_database(), and tidy_database().

std::string oasys::FileSystemStore::tables_dir_ [private]

directory where the tables are stored

Definition at line 95 of file FileSystemStore.h.

Referenced by check_database(), del_table(), get_table(), get_table_names(), init(), and init_database().

RefCountMap oasys::FileSystemStore::ref_count_ [private]

Definition at line 97 of file FileSystemStore.h.

int oasys::FileSystemStore::default_perm_ [private]

Default permissions on database files.

Definition at line 98 of file FileSystemStore.h.

Referenced by get_table(), and init_database().

FdCache* oasys::FileSystemStore::fd_cache_ [private]

Definition at line 100 of file FileSystemStore.h.

Referenced by get_table(), and init().

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

• FileSystemStore.h
• FileSystemStore.cc

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