forked from TrueCloudLab/frostfs-node
67 lines
2 KiB
Go
67 lines
2 KiB
Go
package blobstor
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/common"
|
|
oid "github.com/nspcc-dev/neofs-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) {
|
|
_, err := b.blobovniczas.Iterate(prm)
|
|
if err != nil && !prm.IgnoreErrors {
|
|
return common.IterateRes{}, fmt.Errorf("blobovnizas iterator failure: %w", err)
|
|
}
|
|
|
|
// FIXME decompress in the fstree
|
|
iPrm := prm
|
|
iPrm.Handler = func(element common.IterationElement) error {
|
|
data, err := b.Decompress(element.ObjectData)
|
|
if err != nil {
|
|
if prm.IgnoreErrors {
|
|
if prm.ErrorHandler != nil {
|
|
return prm.ErrorHandler(element.Address, err)
|
|
}
|
|
return nil
|
|
}
|
|
return fmt.Errorf("could not decompress object data: %w", err)
|
|
}
|
|
element.ObjectData = data
|
|
return prm.Handler(element)
|
|
}
|
|
|
|
_, err = b.fsTree.Iterate(iPrm)
|
|
if err != nil && !prm.IgnoreErrors {
|
|
return common.IterateRes{}, fmt.Errorf("fs tree 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
|
|
}
|