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distribution/xfer: define DownloadOption type

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This is mostly for documentation purposes; defining a type makes
the option(s) show up grouped on pkg.go.dev (and in godoc).

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2022-02-18 16:37:59 +01:00
parent 69b0913e1f
commit 047e032461
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GPG key ID: 76698F39D527CE8C
1 changed files with 5 additions and 2 deletions
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7
distribution/xfer/download.go
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@ -34,7 +34,7 @@ func (ldm *LayerDownloadManager) SetConcurrency(concurrency int) {
} }
// NewLayerDownloadManager returns a new LayerDownloadManager. // NewLayerDownloadManager returns a new LayerDownloadManager.
func NewLayerDownloadManager(layerStore layer.Store, concurrencyLimit int, options ...func(*LayerDownloadManager)) *LayerDownloadManager { func NewLayerDownloadManager(layerStore layer.Store, concurrencyLimit int, options ...DownloadOption) *LayerDownloadManager {
manager := LayerDownloadManager{ manager := LayerDownloadManager{
layerStore: layerStore, layerStore: layerStore,
tm: newTransferManager(concurrencyLimit), tm: newTransferManager(concurrencyLimit),
@ -47,9 +47,12 @@ func NewLayerDownloadManager(layerStore layer.Store, concurrencyLimit int, optio
return &manager return &manager
} }
// DownloadOption set options for the LayerDownloadManager.
type DownloadOption func(*LayerDownloadManager)
// WithMaxDownloadAttempts configures the maximum number of download // WithMaxDownloadAttempts configures the maximum number of download
// attempts for a download manager. // attempts for a download manager.
func WithMaxDownloadAttempts(max int) func(*LayerDownloadManager) { func WithMaxDownloadAttempts(max int) DownloadOption {
return func(dlm *LayerDownloadManager) { return func(dlm *LayerDownloadManager) {
dlm.maxDownloadAttempts = max dlm.maxDownloadAttempts = max
} }