backup

type CompressionType uint8

type Compressor interface {
	Compress(src io.Reader, dst io.Writer) error
}

type Config struct {
	// Required: VdiskID to export from or import into
	VdiskID string
	// Optional: ID of the snapshot (same as VdiskID by default)
	SnapshotID string

	// Optional: Snapshot BlockSize (128KiB by default)
	BlockSize int64

	// Required: SourceConfig to configure the storage with
	BlockStorageConfig config.SourceConfig
	// Required: BackupStorageConfig used to configure the backup storage driver.
	BackupStorageConfig StorageConfig

	// Optional: Amount of jobs (goroutines) to run simultaneously
	//           (to import/export in parallel)
	//           By default it equals the amount of CPUs available.
	JobCount int

	// Type of Compression to use for compressing/decompressing.
	// Note: this should be the same value for an import/export pair
	CompressionType CompressionType
	// CryptoKey to use for encryption/decryption.
	// Note: this should be the same value for an import/export pair
	CryptoKey CryptoKey

	// Optional: Only used for exporting at the moment.
	// When true, a new deduped map will be created in case
	// the existing deduped map couldn't be loaded.
	// This can happen due to the fact that the existing map's data is corrupt,
	// or the data was encrypted/compressed using a different
	// key/compressionType than the one given.
	Force bool
}

type CryptoKey [CryptoKeySize]byte

type Decompressor interface {
	Decompress(src io.Reader, dst io.Writer) error
}

type Decrypter interface {
	Decrypt(src io.Reader, dst io.Writer) error
}

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

type Encrypter interface {
	Encrypt(src io.Reader, dst io.Writer) error
}

type FTPStorageConfig struct {
	// Address of the FTP Server
	Address string

	// Optional: username of Authorized account
	//           for the given FTP server
	Username string
	// Optional: password of Authorized account
	//           for the given FTP server
	Password string

	RootDir string // optional
}

type StorageConfig struct {
	// The resource used to create the specific storage.
	// Type = local -> Resource defines root directory path.
	// Type = ftp -> Resource defines ftp configuration.
	Resource interface{}
	// Defines the type of (backup) storage to
	// write/read the backup to/from.
	StorageType StorageType
}

type StorageDriver interface {
	SetDedupedBlock(hash zerodisk.Hash, r io.Reader) error
	SetDedupedMap(id string, r io.Reader) error

	GetDedupedBlock(hash zerodisk.Hash, w io.Writer) error
	GetDedupedMap(id string, w io.Writer) error

	Close() error
}

type StorageType uint8