Bitcoin: leveldb::Env Class Reference

Bitcoin

#include <env.h>

Inheritance diagram for leveldb::Env:

Public Member Functions
	Env ()

virtual	~Env ()

virtual Status	NewSequentialFile (const std::string &fname, SequentialFile **result)=0

virtual Status	NewRandomAccessFile (const std::string &fname, RandomAccessFile **result)=0

virtual Status	NewWritableFile (const std::string &fname, WritableFile **result)=0

virtual Status	NewAppendableFile (const std::string &fname, WritableFile **result)

virtual bool	FileExists (const std::string &fname)=0

virtual Status	GetChildren (const std::string &dir, std::vector< std::string > *result)=0

virtual Status	DeleteFile (const std::string &fname)=0

virtual Status	CreateDir (const std::string &dirname)=0

virtual Status	DeleteDir (const std::string &dirname)=0

virtual Status	GetFileSize (const std::string &fname, uint64_t *file_size)=0

virtual Status	RenameFile (const std::string &src, const std::string &target)=0

virtual Status	LockFile (const std::string &fname, FileLock **lock)=0

virtual Status	UnlockFile (FileLock *lock)=0

virtual void	Schedule (void(function)(void arg), void *arg)=0

virtual void	StartThread (void(function)(void arg), void *arg)=0

virtual Status	GetTestDirectory (std::string *path)=0

virtual Status	NewLogger (const std::string &fname, Logger **result)=0

virtual uint64_t	NowMicros ()=0

virtual void	SleepForMicroseconds (int micros)=0

Static Public Member Functions
static Env *	Default ()

Private Member Functions
	Env (const Env &)

void	operator= (const Env &)

Constructor & Destructor Documentation

◆ Env() [1/2]

leveldb::Env::Env ( )

inline

◆ ~Env()

leveldb::Env::~Env ( )

virtual

◆ Env() [2/2]

leveldb::Env::Env ( const Env & )

private

Member Function Documentation

◆ CreateDir()

virtual Status leveldb::Env::CreateDir ( const std::string & dirname )

pure virtual

Implemented in leveldb::anonymous_namespace{env_posix.cc}::PosixEnv, leveldb::anonymous_namespace{memenv.cc}::InMemoryEnv, and leveldb::EnvWrapper.

◆ Default()

Env * leveldb::Env::Default ( )

static

◆ DeleteDir()

virtual Status leveldb::Env::DeleteDir ( const std::string & dirname )

pure virtual

Implemented in leveldb::anonymous_namespace{env_posix.cc}::PosixEnv, leveldb::anonymous_namespace{memenv.cc}::InMemoryEnv, and leveldb::EnvWrapper.

◆ DeleteFile()

virtual Status leveldb::Env::DeleteFile ( const std::string & fname )

pure virtual

Implemented in leveldb::anonymous_namespace{env_posix.cc}::PosixEnv, leveldb::anonymous_namespace{memenv.cc}::InMemoryEnv, leveldb::EnvWrapper, and leveldb::FaultInjectionTestEnv.

◆ FileExists()

virtual bool leveldb::Env::FileExists ( const std::string & fname )

pure virtual

Implemented in leveldb::anonymous_namespace{env_posix.cc}::PosixEnv, leveldb::EnvWrapper, and leveldb::anonymous_namespace{memenv.cc}::InMemoryEnv.

◆ GetChildren()

virtual Status leveldb::Env::GetChildren	(	const std::string &	dir,
		std::vector< std::string > *	result
	)

pure virtual

Implemented in leveldb::anonymous_namespace{env_posix.cc}::PosixEnv, leveldb::EnvWrapper, and leveldb::anonymous_namespace{memenv.cc}::InMemoryEnv.

◆ GetFileSize()

virtual Status leveldb::Env::GetFileSize	(	const std::string &	fname,
		uint64_t *	file_size
	)

pure virtual

Implemented in leveldb::anonymous_namespace{env_posix.cc}::PosixEnv, leveldb::anonymous_namespace{memenv.cc}::InMemoryEnv, and leveldb::EnvWrapper.

◆ GetTestDirectory()

virtual Status leveldb::Env::GetTestDirectory ( std::string * path )

pure virtual

Implemented in leveldb::anonymous_namespace{env_posix.cc}::PosixEnv, leveldb::anonymous_namespace{memenv.cc}::InMemoryEnv, and leveldb::EnvWrapper.

◆ LockFile()

virtual Status leveldb::Env::LockFile	(	const std::string &	fname,
		FileLock **	lock
	)

pure virtual

Implemented in leveldb::anonymous_namespace{env_posix.cc}::PosixEnv, leveldb::anonymous_namespace{memenv.cc}::InMemoryEnv, and leveldb::EnvWrapper.

◆ NewAppendableFile()

Status leveldb::Env::NewAppendableFile	(	const std::string &	fname,
		WritableFile **	result
	)

virtual

Reimplemented in leveldb::anonymous_namespace{env_posix.cc}::PosixEnv, leveldb::EnvWrapper, leveldb::anonymous_namespace{memenv.cc}::InMemoryEnv, leveldb::FaultInjectionTestEnv, and leveldb::test::ErrorEnv.

◆ NewLogger()

virtual Status leveldb::Env::NewLogger	(	const std::string &	fname,
		Logger **	result
	)

pure virtual

Implemented in leveldb::anonymous_namespace{env_posix.cc}::PosixEnv, leveldb::anonymous_namespace{memenv.cc}::InMemoryEnv, and leveldb::EnvWrapper.

◆ NewRandomAccessFile()

virtual Status leveldb::Env::NewRandomAccessFile	(	const std::string &	fname,
		RandomAccessFile **	result
	)

pure virtual

Implemented in leveldb::anonymous_namespace{env_posix.cc}::PosixEnv, leveldb::EnvWrapper, leveldb::anonymous_namespace{memenv.cc}::InMemoryEnv, and leveldb::SpecialEnv.

◆ NewSequentialFile()

virtual Status leveldb::Env::NewSequentialFile	(	const std::string &	fname,
		SequentialFile **	result
	)

pure virtual

Implemented in leveldb::anonymous_namespace{env_posix.cc}::PosixEnv, leveldb::EnvWrapper, and leveldb::anonymous_namespace{memenv.cc}::InMemoryEnv.

◆ NewWritableFile()

virtual Status leveldb::Env::NewWritableFile	(	const std::string &	fname,
		WritableFile **	result
	)

pure virtual

Implemented in leveldb::anonymous_namespace{env_posix.cc}::PosixEnv, leveldb::EnvWrapper, leveldb::anonymous_namespace{memenv.cc}::InMemoryEnv, leveldb::FaultInjectionTestEnv, leveldb::SpecialEnv, and leveldb::test::ErrorEnv.

◆ NowMicros()

virtual uint64_t leveldb::Env::NowMicros ( )

pure virtual

Implemented in leveldb::anonymous_namespace{env_posix.cc}::PosixEnv, and leveldb::EnvWrapper.

◆ operator=()

void leveldb::Env::operator= ( const Env & )

private

◆ RenameFile()

virtual Status leveldb::Env::RenameFile	(	const std::string &	src,
		const std::string &	target
	)

pure virtual

Implemented in leveldb::anonymous_namespace{env_posix.cc}::PosixEnv, leveldb::anonymous_namespace{memenv.cc}::InMemoryEnv, leveldb::EnvWrapper, and leveldb::FaultInjectionTestEnv.

◆ Schedule()

virtual void leveldb::Env::Schedule	(	void()(void arg)	function,
		void *	arg
	)

pure virtual

◆ SleepForMicroseconds()

virtual void leveldb::Env::SleepForMicroseconds ( int micros )

pure virtual

Implemented in leveldb::anonymous_namespace{env_posix.cc}::PosixEnv, and leveldb::EnvWrapper.

◆ StartThread()

virtual void leveldb::Env::StartThread	(	void()(void arg)	function,
		void *	arg
	)

pure virtual

Implemented in leveldb::anonymous_namespace{env_posix.cc}::PosixEnv.

◆ UnlockFile()

virtual Status leveldb::Env::UnlockFile ( FileLock * lock )

pure virtual

Implemented in leveldb::anonymous_namespace{env_posix.cc}::PosixEnv, leveldb::anonymous_namespace{memenv.cc}::InMemoryEnv, and leveldb::EnvWrapper.

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

src/leveldb/include/leveldb/env.h
src/leveldb/util/env.cc
src/leveldb/util/env_posix.cc