forked from TrueCloudLab/frostfs-node
72 lines
1.6 KiB
Go
72 lines
1.6 KiB
Go
package engine
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import (
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"context"
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"errors"
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"sync/atomic"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client"
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apistatus "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client/status"
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objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
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oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
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"golang.org/x/sync/errgroup"
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)
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func (e *StorageEngine) exists(ctx context.Context, addr oid.Address) (bool, error) {
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var shPrm shard.ExistsPrm
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shPrm.SetAddress(addr)
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var exists atomic.Bool
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eg, egCtx := errgroup.WithContext(ctx)
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egCtx, cancel := context.WithCancel(egCtx)
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defer cancel()
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e.iterateOverSortedShards(addr, func(_ int, sh hashedShard) (stop bool) {
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select {
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case <-egCtx.Done():
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return true
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default:
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}
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eg.Go(func() error {
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res, err := sh.Exists(egCtx, shPrm)
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if err != nil {
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if errors.Is(err, context.Canceled) {
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return err
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}
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if client.IsErrObjectAlreadyRemoved(err) {
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return err
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}
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var siErr *objectSDK.SplitInfoError
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if errors.As(err, &siErr) {
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return err
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}
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if shard.IsErrObjectExpired(err) {
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return err
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}
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if !client.IsErrObjectNotFound(err) {
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e.reportShardError(sh, "could not check existence of object in shard", err)
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}
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return nil
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}
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if res.Exists() {
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exists.Store(true)
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cancel()
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}
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return nil
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})
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return false
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})
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err := eg.Wait()
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if client.IsErrObjectAlreadyRemoved(err) {
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return false, new(apistatus.ObjectAlreadyRemoved)
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}
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return exists.Load(), nil
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}
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