func (a *archiver) push(item *archiverItem) Future {
if a.pushLocked(item) {
tracer.Instant(a, "itemAdded", tracer.Thread, tracer.Args{"item": item.DisplayName()})
tracer.CounterAdd(a, "itemsAdded", 1)
a.progress.Update(groupFound, groupFoundFound, 1)
return item
}
item.Close()
return nil
}
// Close waits for all pending files to be done.
func (a *archiver) Close() error {
// This is done so asynchronously calling push() won't crash.
a.closeLock.Lock()
ok := false
if a.stage1DedupeChan != nil {
close(a.stage1DedupeChan)
a.stage1DedupeChan = nil
ok = true
}
a.closeLock.Unlock()
if !ok {
return errors.New("was already closed")
}
a.wg.Wait()
_ = a.progress.Close()
_ = a.canceler.Close()
err := a.CancelationReason()
tracer.Instant(a, "done", tracer.Global, nil)
return err
}
func (a *archiver) Cancel(reason error) {
tracer.Instant(a, "cancel", tracer.Thread, tracer.Args{"reason": reason})
a.canceler.Cancel(reason)
}