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