downloader

Documentation

Index

• type BackDownloader
  • func NewBackDownloader(cfg *config.Config, result *regist.RegisterResult) *BackDownloader
  • func (bd *BackDownloader) Cleanup()
  • func (bd *BackDownloader) Run(ctx context.Context) error
  • func (bd *BackDownloader) RunStream(ctx context.Context) (io.Reader, error)

Types

type BackDownloader

type BackDownloader struct {
	// URL is the source url of the file to download.
	URL string

	// Target is the full target path.
	Target string

	// Md5 is the expected file md5 to prevent files from being tampered with.
	Md5 string

	// TaskID a string which represents a unique task.
	TaskID string
	// contains filtered or unexported fields
}

BackDownloader downloads the file from file resource.

func NewBackDownloader

func NewBackDownloader(cfg *config.Config, result *regist.RegisterResult) *BackDownloader

NewBackDownloader creates a BackDownloader.

func (*BackDownloader) Cleanup

func (bd *BackDownloader) Cleanup()

Cleanup clean all temporary resources generated by executing Run.

func (*BackDownloader) Run

func (bd *BackDownloader) Run(ctx context.Context) error

Run starts to download the file.

func (*BackDownloader) RunStream

func (bd *BackDownloader) RunStream(ctx context.Context) (io.Reader, error)

RunStream returns a io.Reader without any disk io.