storage

type Snapshot struct {
	raftpb.SnapshotState
	Data io.ReadCloser
}

type Snapshotter interface {
	Writer(uint64, uint64) (io.WriteCloser, error)
	Reader(uint64, uint64) (io.ReadCloser, error)
	Write(*Snapshot) error
	Read(uint64, uint64) (*Snapshot, error)
	ReadFrom(string) (*Snapshot, error)
}

type Storage interface {
	SaveSnapshot(etcdraftpb.Snapshot) error
	SaveEntries(etcdraftpb.HardState, []etcdraftpb.Entry) error
	Snapshotter() Snapshotter
	Boot([]byte) ([]byte, etcdraftpb.HardState, []etcdraftpb.Entry, *Snapshot, error)
	Exist() bool
	Close() error
}