package blobstor import ( "fmt" "github.com/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/common" oid "github.com/TrueCloudLab/frostfs-sdk-go/object/id" "go.uber.org/zap" ) // Iterate traverses the storage over the stored objects and calls the handler // on each element. // // Returns any error encountered that // did not allow to completely iterate over the storage. // // If handler returns an error, method wraps and returns it immediately. func (b *BlobStor) Iterate(prm common.IteratePrm) (common.IterateRes, error) { b.modeMtx.RLock() defer b.modeMtx.RUnlock() for i := range b.storage { _, err := b.storage[i].Storage.Iterate(prm) if err != nil && !prm.IgnoreErrors { return common.IterateRes{}, fmt.Errorf("blobstor iterator failure: %w", err) } } return common.IterateRes{}, nil } // IterateBinaryObjects is a helper function which iterates over BlobStor and passes binary objects to f. // Errors related to object reading and unmarshaling are logged and skipped. func IterateBinaryObjects(blz *BlobStor, f func(addr oid.Address, data []byte, descriptor []byte) error) error { var prm common.IteratePrm prm.Handler = func(elem common.IterationElement) error { return f(elem.Address, elem.ObjectData, elem.StorageID) } prm.IgnoreErrors = true prm.ErrorHandler = func(addr oid.Address, err error) error { blz.log.Warn("error occurred during the iteration", zap.Stringer("address", addr), zap.String("err", err.Error())) return nil } _, err := blz.Iterate(prm) return err }