download

package

v0.0.0-...-7c3525c Latest Latest Go to latest Published: Apr 8, 2024 License: MIT Imports: 12 Imported by: 0

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Repository

github.com/gkatanacio/multisource-downloader

Documentation ¶

Index ¶

Variables
func GetMD5Hash(file *os.File) (string, error)
type ETagCalculator
type Options
type Service
- func NewService(opts Options, calculateETag ETagCalculator) *Service
- func (s *Service) Download(sourceUrls []string) error

Constants ¶

This section is empty.

Variables ¶

View Source

var (
	ErrNoSourceUrls                  = errors.New("source URLs required")
	ErrSourcesFileMismatch           = errors.New("file metadata from source URLs are not matching")
	ErrETagMismatch                  = errors.New("ETag mismatch")
	ErrUnknownContentLength          = errors.New("unknown content length")
	ErrPartialRequestUnsupported     = errors.New("partial request not supported")
	ErrFailedChunkDownloadAllSources = errors.New("failed to download chunk after attempting from all sources")
)

Functions ¶

func GetMD5Hash ¶

func GetMD5Hash(file *os.File) (string, error)

GetMD5Hash calculates the MD5 hash of the file contents and returns the hex encoding.

Types ¶

type ETagCalculator ¶

type ETagCalculator func(file *os.File) (string, error)

ETagCalculator represents a function that calculates the ETag of a file.

type Options ¶

type Options struct {
	Connections  uint
	Timeout      uint
	CheckETag    bool
	Quiet        bool
	DestFilePath string
}

Options represents the configuration for the download service.

type Service ¶

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

Service is the service layer that contains operations for downloading.

func NewService ¶

func NewService(opts Options, calculateETag ETagCalculator) *Service

func (*Service) Download ¶

func (s *Service) Download(sourceUrls []string) error

Download attempts to download a file from the given sources in a concurrent manner (i.e., in chunks). This creates a temporary file while the download is ongoing and moves it to the actual configured destination file once the download is successfully completed.

Source Files ¶

View all Source files

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