backup

Jan 22, 2026

Changes in this version

+ const DefaultChunkSize

+ const MetadataFileName

+ var ErrBackupInProgress = errors.New("backup already in progress")

+ var ErrDatabaseClosed = errors.New("database is closed")

+ var ErrRestoreInProgress = errors.New("restore already in progress")

+ type Config struct

+ ChunkSize int

+ DB database.Database

+ Log log.Logger

+ MetadataDir string

+ type Metadata struct

+ Incremental bool

+ LastBackupSize uint64

+ LastBackupTime time.Time

+ LastVersion uint64

+ type Service struct

+ func New(cfg Config) (*Service, error)

+ func (s *Service) Backup(w io.Writer, since uint64, compress bool) (uint64, error)

+ func (s *Service) BackupChunked(since uint64, compress bool) (<-chan []byte, <-chan error, <-chan uint64)

+ func (s *Service) BackupToFile(path string, since uint64, compress bool) (uint64, error)

+ func (s *Service) GetLastVersion() uint64

+ func (s *Service) GetMetadata() *Metadata

+ func (s *Service) Restore(r io.Reader, compressed bool) error

+ func (s *Service) RestoreChunked(compressed bool) (chan<- []byte, <-chan error)

+ func (s *Service) RestoreFromFile(path string, compressed bool) error