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patcher

package

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Versions in this module

v1

v1.0.0

Dec 28, 2023

v0

v0.0.1

Dec 27, 2023

Changes in this version

+ const ManifestFilename

+ var NtQueryVolumeInformationFile = ntdll.NewProc("NtQueryVolumeInformationFile") — windows/amd64

+ func CreateWithSizeHint(filename string, size int64) (file *os.File, err error)

+ func DetermineFilesToMeasure(instructions []Instruction, manifest *Manifest, ...) ([]string, map[string]string)

+ func DoInParallelWithResult[TIn any, TOut any](ctx context.Context, execute func(context.Context, TIn) (TOut, error), ...) ([]TOut, error)

+ func DoInParallel[TIn any](ctx context.Context, execute func(context.Context, TIn) error, input []TIn, ...) error

+ func HashBytes(data []byte) string

+ func HashEqual(hash1 string, hash2 string) bool

+ func HashReader(ctx context.Context, s io.Reader) (string, error)

+ func LogVerbose(ctx context.Context, format string, args ...any)

+ func RunPatcher(ctx context.Context, instructions []Instruction, config PatcherConfig) error

+ func ScanFiles(rootDir string) (map[string]BasicFileInfo, error)

+ func SetVerbose(ctx context.Context, verbose bool) context.Context

+ type Averager struct

+ func NewAverager(window int) *Averager

+ func (a *Averager) Add(measurement float64)

+ func (a *Averager) Average() float64

+ type BasicFileInfo struct

+ ModTime time.Time

+ type DeterminedActions struct

+ ToDelete []string

+ ToDownload []DownloadInstr

+ ToUpdate []UpdateInstr

+ func DetermineActions(instructions []Instruction, manifest *Manifest, ...) DeterminedActions

+ type DownloadConfig struct

+ DownloadRequestTimeout time.Duration

+ DownloadSpeedWindow int

+ DownloadStallTimeout time.Duration

+ MaxAttempts int

+ RetryBaseDelay time.Duration

+ RetryWaitIncrementFactor float64

+ type DownloadInstr struct

+ Checksum string

+ LocalPath string

+ RemotePath string

+ Size int64

+ type DownloadStats struct

+ Speed int64

+ TotalBytes int64

+ type Downloader struct

+ func NewDownloader(config DownloadConfig, tickFunc func(DownloadStats), ...) *Downloader

+ func (d *Downloader) DownloadFile(ctx context.Context, downloadUrl *url.URL, filename string, ...) error

+ type FILE_FS_ALLOCATION_INFORMATION struct — windows/amd64

+ AllocationSize uint64

+ type FILE_FS_SIZE_INFORMATION struct — windows/amd64

+ AvailableAllocationUnits uint64

+ BytesPerSector uint32

+ SectorsPerAllocationUnit uint32

+ TotalAllocationUnits uint64

+ type Instruction struct

+ CompressedHash *string

+ DeltaHash *string

+ DeltaSize int64

+ FileSize int64

+ FullReplaceSize int64

+ NewHash *string

+ OldHash string

+ Path string

+ func DecodeInstructions(jsonData []byte) ([]Instruction, error)

+ type Manifest struct

+ Entries map[string]ManifestEntry

+ Product string

+ func NewManifest(product string) *Manifest

+ func ReadManifest(installDir string, product string) (*Manifest, error)

+ func (m *Manifest) Add(filename string, lastChange time.Time, checksum string)

+ func (m *Manifest) Check(filename string, lastChange time.Time, checksum string) bool

+ func (m *Manifest) Get(filename string, lastChange time.Time) (string, bool)

+ func (m *Manifest) WriteManifest(installDir string) error

+ type ManifestEntry struct

+ LastChange time.Time

+ LastChecksum string

+ type PatcherConfig struct

+ ApplyWorkers int

+ BaseUrl *url.URL

+ DownloadConfig DownloadConfig

+ DownloadWorkers int

+ InstallDir string

+ Product string

+ ProgressFunc func(Progress)

+ ProgressInterval time.Duration

+ VerifyWorkers int

+ XDeltaBinPath string

+ type Phase int

+ const PhaseApply

+ const PhaseDownload

+ const PhaseVerify

+ type Progress struct

+ Apply ProgressPhase

+ Download ProgressPhase

+ DownloadSpeed int64

+ DownloadTotalBytes int64

+ Verify ProgressPhase

+ func (p *Progress) GetPhase(phase Phase) *ProgressPhase

+ type ProgressPhase struct

+ Completed int

+ Done bool

+ Duration int

+ Errors int

+ Needed int

+ NeededKnown bool

+ Processing int

+ type ProgressTracker struct

+ func NewProgress() *ProgressTracker

+ func (p *ProgressTracker) Current() Progress

+ func (p *ProgressTracker) PhaseDone(phase Phase)

+ func (p *ProgressTracker) PhaseItemDone(phase Phase, err error)

+ func (p *ProgressTracker) PhaseItemStarted(phase Phase)

+ func (p *ProgressTracker) PhaseItemsSkipped(phase Phase, count int)

+ func (p *ProgressTracker) PhaseSetNeeded(phase Phase, needed int)

+ func (p *ProgressTracker) PhaseStarted(phase Phase)

+ func (p *ProgressTracker) UpdateDownloadStats(stats DownloadStats)

+ type ResolvedInstructions struct

+ BaseUrl *url.URL

+ Instructions []Instruction

+ VersionName string

+ func ResolveInstructions(productsUrl *url.URL, product string) (*ResolvedInstructions, error)

+ type UpdateInstr struct

+ Checksum string

+ FilePath string

+ IsDelta bool

+ PatchPath string

+ Size int64

+ TempFilename string

+ type XDelta struct

+ func NewXDelta(binPath string) (*XDelta, error)

+ func (x XDelta) ApplyPatch(ctx context.Context, oldPath *string, patchPath string, newPath string, ...) error