persist

Sep 21, 2021

Changes in this version

+ const DefaultDiskPermissionsTest

+ const FixedMetadataSize

+ const MetadataPageSize

+ var ErrWrongHeader = errors.New("wrong header")

+ var ErrWrongVersion = errors.New("wrong version")

+ var MetadataVersionv150 = types.NewSpecifier("v1.5.0\n")

+ var MetadataVersionv156 = types.NewSpecifier("v1.5.6\n")

+ func UID() string

+ type AppendOnlyPersist struct

+ func NewAppendOnlyPersist(dir, file string, metadataHeader, metadataVersion types.Specifier) (*AppendOnlyPersist, io.Reader, error)

+ func (aop *AppendOnlyPersist) Close() error

+ func (aop *AppendOnlyPersist) FilePath() string

+ func (aop *AppendOnlyPersist) PersistLength() uint64

+ func (aop *AppendOnlyPersist) Write(b []byte) (int, error)

+ type FixedMetadata struct

+ Header types.Specifier

+ Version types.Specifier

+ func VerifyMetadataHeader(r io.Reader, expected FixedMetadata) (FixedMetadata, error)

Dec 19, 2017

Changes in this version

+ func RemoveFile(filename string) error

Apr 25, 2017

Changes in this version

+ var ErrBadFilenameSuffix = errors.New("filename suffix not allowed")

+ var ErrFileInUse = errors.New("another thread is saving or loading this file")

+ func LoadJSON(meta Metadata, object interface{}, filename string) error

+ func SaveJSON(meta Metadata, object interface{}, filename string) error

Oct 25, 2016

Changes in this version

type Logger

+ func (l *Logger) Severe(v ...interface{})

Jun 29, 2016

Changes in this version

+ func NewSafeFile(filename string) (*safeFile, error)

+ func RandomSuffix() string

+ func SaveFileSync(meta Metadata, data interface{}, filename string) error

+ type BoltDatabase struct

+ func OpenDatabase(md Metadata, filename string) (*BoltDatabase, error)

+ func (db *BoltDatabase) Close() error

+ type Logger struct

+ func NewFileLogger(logFilename string) (*Logger, error)

+ func NewLogger(w io.Writer) *Logger

+ func (l *Logger) Close() error

+ func (l *Logger) Critical(v ...interface{})

+ func (l *Logger) Debug(v ...interface{})

+ func (l *Logger) Debugf(format string, v ...interface{})

+ func (l *Logger) Debugln(v ...interface{})

Jun 7, 2015

Changes in this version

+ var ErrBadHeader = errors.New("wrong header")

+ var ErrBadVersion = errors.New("incompatible version")

+ func Load(meta Metadata, data interface{}, r io.Reader) error

+ func LoadFile(meta Metadata, data interface{}, filename string) error

+ func Save(meta Metadata, data interface{}, w io.Writer) error

+ func SaveFile(meta Metadata, data interface{}, filename string) error

+ type Metadata struct

+ Header string

+ Version string

May 26, 2015

Changes in this version

+ var ErrUnknownBlock = errors.New("unknown block")

+ var NilDB nildb

+ type DB interface

+ AddBlock func(types.Block) error

+ Block func(types.BlockHeight) (types.Block, error)

+ Close func() error

+ Height func() (types.BlockHeight, error)

+ RemoveBlock func() error

+ func OpenDB(filename string) (DB, error)