mirror of https://github.com/octoleo/restic.git
64 lines
1.2 KiB
Go
64 lines
1.2 KiB
Go
package repository
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import (
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"context"
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"github.com/restic/restic/internal/restic"
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"golang.org/x/sync/errgroup"
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)
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// SavePacker implements saving a pack in the repository.
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type SavePacker interface {
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savePacker(ctx context.Context, t restic.BlobType, p *Packer) error
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}
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type uploadTask struct {
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packer *Packer
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tpe restic.BlobType
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}
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type packerUploader struct {
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uploadQueue chan uploadTask
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}
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func newPackerUploader(ctx context.Context, wg *errgroup.Group, repo SavePacker, connections uint) *packerUploader {
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pu := &packerUploader{
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uploadQueue: make(chan uploadTask),
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}
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for i := 0; i < int(connections); i++ {
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wg.Go(func() error {
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for {
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select {
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case t, ok := <-pu.uploadQueue:
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if !ok {
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return nil
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}
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err := repo.savePacker(ctx, t.tpe, t.packer)
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if err != nil {
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return err
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}
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case <-ctx.Done():
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return ctx.Err()
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}
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}
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})
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}
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return pu
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}
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func (pu *packerUploader) QueuePacker(ctx context.Context, t restic.BlobType, p *Packer) (err error) {
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select {
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case <-ctx.Done():
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return ctx.Err()
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case pu.uploadQueue <- uploadTask{tpe: t, packer: p}:
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}
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return nil
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}
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func (pu *packerUploader) TriggerShutdown() {
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close(pu.uploadQueue)
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}
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