network

package

v1.0.2 Latest Latest Go to latest Published: Nov 14, 2025 License: MIT Imports: 10 Imported by: 0

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Valid go.mod file
Redistributable license
Tagged version
Stable version
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Repository

github.com/david58/cmd-launcher

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Documentation ¶

Index ¶

Constants
Variables
func CheckResponse(resp *http.Response) error
func DownloadFile(entry DownloadEntry) error
func StartDownloadEntries(entries []DownloadEntry) chan error
type Cache
- func (cache Cache[T]) Get(v *T) error
- func (cache Cache[T]) Sha1() (string, error)
type DownloadEntry
type HTTPStatusError
- func (e *HTTPStatusError) Error() string

Constants ¶

View Source

const MaxConcurrentDownloads = 6

Variables ¶

View Source

var ErrNotCached = errors.New("data not cached and request failed")

Functions ¶

func CheckResponse ¶

func CheckResponse(resp *http.Response) error

CheckResponse ensures the status code of an HTTP response is successful, returning an HTTPStatusError if not.

func DownloadFile ¶

func DownloadFile(entry DownloadEntry) error

DownloadFile downloads the specified DownloadEntry and saves it.

All parent directories are created in order to create the file.

func StartDownloadEntries ¶

func StartDownloadEntries(entries []DownloadEntry) chan error

StartDownloadEntries runs DownloadFile on each specified DownloadEntry and returns a channel with the download results.

Types ¶

type Cache ¶

type Cache[T any] struct {
	Path        string
	URL         string
	RemoteSha1  string
	AlwaysFetch bool
	Unmarshaler func(data []byte, v any) error // Custom unmarshal function. Defaults to JSON.
}

A Cache stores and retrieves remote data to unmarshal either into JSON or a custom unmarshaler.

func (Cache[T]) Get ¶

func (cache Cache[T]) Get(v *T) error

Get checks the cache and checks if it is valid. If it is, its contents are returned. If not, they are fetched and then returned.

func (Cache[T]) Sha1 ¶

func (cache Cache[T]) Sha1() (string, error)

Sha1 returns the SHA1 checksum of the cache

type DownloadEntry ¶

type DownloadEntry struct {
	URL      string
	Path     string
	Sha1     string
	FileMode os.FileMode
}

type HTTPStatusError ¶

type HTTPStatusError struct {
	URL        string
	Method     string
	StatusCode int
}

HTTPStatusError is an error type returned when an HTTP response finishes with a status code >= 300 or < 200

func (*HTTPStatusError) Error ¶

func (e *HTTPStatusError) Error() string

Source Files ¶

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