frostfs-node/pkg/local_object_storage/blobstor/blobovniczatree/exists.go

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package blobovniczatree
import (
"path/filepath"
"github.com/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobovnicza"
"github.com/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/common"
"go.uber.org/zap"
)
// Exists implements common.Storage.
func (b *Blobovniczas) Exists(prm common.ExistsPrm) (common.ExistsRes, error) {
if prm.StorageID != nil {
id := blobovnicza.NewIDFromBytes(prm.StorageID)
blz, err := b.openBlobovnicza(id.String())
if err != nil {
return common.ExistsRes{}, err
}
exists, err := blz.Exists(prm.Address)
return common.ExistsRes{Exists: exists}, err
}
activeCache := make(map[string]struct{})
var gPrm blobovnicza.GetPrm
gPrm.SetAddress(prm.Address)
var found bool
err := b.iterateSortedLeaves(&prm.Address, func(p string) (bool, error) {
dirPath := filepath.Dir(p)
_, ok := activeCache[dirPath]
_, err := b.getObjectFromLevel(gPrm, p, !ok)
if err != nil {
if !blobovnicza.IsErrNotFound(err) {
b.log.Debug("could not get object from level",
zap.String("level", p),
zap.String("error", err.Error()))
}
}
activeCache[dirPath] = struct{}{}
found = err == nil
return found, nil
})
return common.ExistsRes{Exists: found}, err
}