hasher

Mar 18, 2023

Changes in this version

+ type ProxyReaderHandler func(r io.Reader) io.Reader

Jan 31, 2023

Changes in this version

+ var ErrIncorrectComputedSize = errors.New("incorrect computed size")

+ var ErrNoChecksums = errors.New("no checksums computed")

+ var ErrNoStates = errors.New("no states")

+ var ErrRangeNotSupported = errors.New("range header is not supported")

+ var ErrStatusCodeIsNot200 = errors.New("status code is not 200")

+ var ErrStatusCodeIsNot206 = errors.New("status code is not 206")

+ var ErrUnSupportedHashAlg = errors.New("unsupported hash algorithm")

+ func SupportedHashAlgs() []string

type Hasher

+ func FromFile(file string, hashAlgs ...string) (h *Hasher, total int64, err error)

+ func FromFileWithStates(file string, computed int64, states map[string][]byte) (h *Hasher, total int64, err error)

+ func FromString(str string, hashAlgs ...string) (*Hasher, error)

+ func FromStrings(strs []string, hashAlgs ...string) (*Hasher, error)

+ func FromUrl(url string, hashAlgs ...string) (h *Hasher, total int64, err error)

+ func FromUrlWithStates(url string, computed int64, states map[string][]byte) (h *Hasher, total int64, err error)

+ func NewWithStates(r io.Reader, states map[string][]byte) (*Hasher, error)

+ func (h *Hasher) ChecksumStrings() map[string]string

+ func (h *Hasher) Checksums() map[string][]byte

+ func (h *Hasher) Close()

+ func (h *Hasher) Compute(ctx context.Context) (checksums map[string][]byte, written int64, err error)

+ func (h *Hasher) Match(checksum string) (matched bool, matchedHashAlg string)

+ func (h *Hasher) States() (map[string][]byte, error)

Nov 5, 2022

retracted

Changes in this version

+ const DefBufSize

+ const MaxBufSize

+ var Debug = false

+ var DefReportProgressInterval = time.Millisecond * 500

+ var ErrNoHashFunc = errors.New("no hash function specified")

+ var ErrNotBinaryMarshaler = errors.New("encoding.BinaryMarshaler not implemented")

+ var ErrNotBinaryUnmarshaler = errors.New("encoding.BinaryUnmarshaler not implemented")

+ var ErrUnSupportedHashFunc = errors.New("unsupported hash function")

+ var ErrUnmatchedHashFuncsAndStates = errors.New("unmatched hash functions and states")

+ func AvailableHashFuncs() []string

+ func ComputePercent(total, current int64) float32

+ func GetHashByName(name string) (hash.Hash, error)

+ type Event interface

+ When func() time.Time

+ type EventError struct

+ func (e EventError) When() time.Time

+ func (ev *EventError) Err() error

+ type EventOK struct

+ func (ev *EventOK) Checksums() map[string][]byte

+ func (ev EventOK) Computed() int64

+ type EventProgress struct

+ func (e EventProgress) When() time.Time

+ func (ev *EventProgress) Current() int64

+ func (ev *EventProgress) Percent() float32

+ func (ev *EventProgress) Total() int64

+ type EventStop struct

+ func (ev *EventStop) States() map[string][]byte

+ func (ev EventStop) Computed() int64

+ type Hasher struct

+ func New(hashFuncs []string, bufferSize int64) *Hasher

+ func (h *Hasher) Start(ctx context.Context, r io.Reader, total int64, ...) <-chan Event