mstorage

Documentation

Index

• func OpenFile(path string, readOnly bool, dataPaths []string) (storage.Storage, error)
• type MultiDiskStorage
  • func (fs *MultiDiskStorage) Close() error
  • func (fs *MultiDiskStorage) Create(fd storage.FileDesc) (storage.Writer, error)
  • func (fs *MultiDiskStorage) GetMeta() (storage.FileDesc, error)
  • func (fs *MultiDiskStorage) List(ft storage.FileType) (fds []storage.FileDesc, err error)
  • func (fs *MultiDiskStorage) Lock() (storage.Locker, error)
  • func (fs *MultiDiskStorage) Log(str string)
  • func (fs *MultiDiskStorage) MultiGuessOpenFile(name string, flag int, perm os.FileMode) (*os.File, error)
  • func (fs *MultiDiskStorage) MultiGuessRemove(name string) error
  • func (fs *MultiDiskStorage) MultiGuessStat(name string) (os.FileInfo, error)
  • func (fs *MultiDiskStorage) MultiList(ft storage.FileType) (fds []storage.FileDesc, err error)
  • func (fs *MultiDiskStorage) MultiOpenFile(name string, flag int, perm os.FileMode) (*os.File, error)
  • func (fs *MultiDiskStorage) MultiRemove(name string) error
  • func (fs *MultiDiskStorage) MultiStat(name string) (os.FileInfo, error)
  • func (fs *MultiDiskStorage) Open(fd storage.FileDesc) (storage.Reader, error)
  • func (fs *MultiDiskStorage) Remove(fd storage.FileDesc) error
  • func (fs *MultiDiskStorage) Rename(oldfd, newfd storage.FileDesc) error
  • func (fs *MultiDiskStorage) SetMeta(fd storage.FileDesc) error
• type MultiDiskStorageLock
  • func (lock *MultiDiskStorageLock) Unlock()

Functions

func OpenFile

func OpenFile(path string, readOnly bool, dataPaths []string) (storage.Storage, error)

OpenFile returns instance of MultiDiskStorage supporting multi disks

Types

type MultiDiskStorage

type MultiDiskStorage struct {
	// contains filtered or unexported fields
}

MultiDiskStorage is a file-system backed storage.

func (*MultiDiskStorage) Close

func (fs *MultiDiskStorage) Close() error

Close close the instance of MultiDiskStorage

func (*MultiDiskStorage) Create

func (fs *MultiDiskStorage) Create(fd storage.FileDesc) (storage.Writer, error)

Create create an instance of Writer with fd

func (*MultiDiskStorage) GetMeta

func (fs *MultiDiskStorage) GetMeta() (storage.FileDesc, error)

GetMeta get meta of instance of MultiDiskStorage

func (*MultiDiskStorage) List

func (fs *MultiDiskStorage) List(ft storage.FileType) (fds []storage.FileDesc, err error)

List list all ft type files info

func (*MultiDiskStorage) Lock

func (fs *MultiDiskStorage) Lock() (storage.Locker, error)

Lock keep instance of MultiDiskStorage unavailable

func (*MultiDiskStorage) Log

func (fs *MultiDiskStorage) Log(str string)

Log emits a string log

func (*MultiDiskStorage) MultiGuessOpenFile

func (fs *MultiDiskStorage) MultiGuessOpenFile(name string, flag int, perm os.FileMode) (*os.File, error)

MultiGuessOpenFile guess which disk the file located in and open

func (*MultiDiskStorage) MultiGuessRemove

func (fs *MultiDiskStorage) MultiGuessRemove(name string) error

MultiGuessRemove guess which disk the file located in and remove

func (*MultiDiskStorage) MultiGuessStat

func (fs *MultiDiskStorage) MultiGuessStat(name string) (os.FileInfo, error)

MultiGuessStat guess which disk the file located in and stat

func (*MultiDiskStorage) MultiList

func (fs *MultiDiskStorage) MultiList(ft storage.FileType) (fds []storage.FileDesc, err error)

MultiList list file in multi disks storage

func (*MultiDiskStorage) MultiOpenFile

func (fs *MultiDiskStorage) MultiOpenFile(name string, flag int, perm os.FileMode) (*os.File, error)

MultiOpenFile open file in multi disks storage

func (*MultiDiskStorage) MultiRemove

func (fs *MultiDiskStorage) MultiRemove(name string) error

MultiRemove remove file in multi disks storage

func (*MultiDiskStorage) MultiStat

func (fs *MultiDiskStorage) MultiStat(name string) (os.FileInfo, error)

MultiStat stat file in multi disks storage

func (*MultiDiskStorage) Open

func (fs *MultiDiskStorage) Open(fd storage.FileDesc) (storage.Reader, error)

Open open file with fd file description

func (*MultiDiskStorage) Remove

func (fs *MultiDiskStorage) Remove(fd storage.FileDesc) error

Remove remove file with file description of fd

func (*MultiDiskStorage) Rename

func (fs *MultiDiskStorage) Rename(oldfd, newfd storage.FileDesc) error

Rename rename the file description

func (*MultiDiskStorage) SetMeta

func (fs *MultiDiskStorage) SetMeta(fd storage.FileDesc) error

SetMeta reset meta info for instance of MultiDiskStorage

type MultiDiskStorageLock

type MultiDiskStorageLock struct {
	// contains filtered or unexported fields
}

MultiDiskStorageLock data structure consists of pointer to MultiDiskStorage

func (*MultiDiskStorageLock) Unlock

func (lock *MultiDiskStorageLock) Unlock()

Unlock keep instance of MultiDiskStorageLock available