storage

type Client interface {
	// Writer returns a writer which writes to an object.
	Writer(name string) (io.WriteCloser, error)

	// Reader returns a reader which reads from an object.
	Reader(name string, offset int64, size int64) (io.ReadCloser, error)

	// Delete deletes an object.
	Delete(name string) error

	// Size of the object
	Size(name string) (int64, error)

	// Check if object exists
	Exists(name string) bool

	// IsNotExist returns true if err is a non existence error
	IsNotExist(err error) bool

	// return a signed url for given http method
	SignedURL(op, objname string) (string, error)

	// merge objects
	Merge(parentDir, dest string, src []string) error
}

type ObjectAPIServer interface {
	BasePath() string
	GetObjectPath(name string) string

	Reader(path string, offset int64, size int64) (io.ReadCloser, error)
	Writer(path string) (io.WriteCloser, error)
	ReadSeeker(path string, offset int64, size int64) (io.ReadSeeker, error)

	NewObjectHash() string
	CreateObject(fileReader io.Reader, inchunks bool) (string, string, int64, error)
	SaveObject(name string, subdir string, fileReader io.Reader, inchunks bool) (path string, chksm string, written int64, fnerr error)
	GetObject(name string, offset int64, size int64) ([]byte, int, error)

	ObjectURL(op, name string) (string, error)
	ObjectSize(name string) int64
	GetSizeByPath(path string) int64

	CheckObject(path string) bool
	DeleteObject(path string) error

	MergeObjects(dest string, src []string) error
}

type ObjectType string