storage

Documentation

Index

• Variables
• type Storage
  • func New(tempDir, dataDir string, dirPerm os.FileMode) *Storage
  • func (s *Storage) Create(r io.Reader) (string, error)
  • func (s *Storage) Path(hash string) (string, error)
  • func (s *Storage) Remove(hash string) error

Variables

var (
	// ErrEmptyReader can be returned when a reader provided to create file is empty.
	ErrEmptyReader = errors.New("empty reader")
	// ErrInvalidHash can be returned for invalid hash input.
	// Use only stringified hashes returned by this implementation.
	ErrInvalidHash = errors.New("invalid hash")
)

Types

type Storage

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

Storage is a dir wrapper to store files by their content hashes (SHA512).

func New

func New(tempDir, dataDir string, dirPerm os.FileMode) *Storage

New constructs a new storage with given params.

func (*Storage) Create

func (s *Storage) Create(r io.Reader) (string, error)

Create creates a local file from provided reader.

func (*Storage) Path

func (s *Storage) Path(hash string) (string, error)

Path builds a data file path for given hash. It does not check for file existence.

func (*Storage) Remove

func (s *Storage) Remove(hash string) error

Remove removes the file identified by hash and may perform additional cleanup.