frostfs-node/pkg/local_object_storage/localstore/methods.go
Leonard Lyubich 87487cde00 [#30] localstorage: Refactor source code
Move the serialization of the address and object into separate functions and
use them in methods. Use recently implemented RawObject constructor and
method in metaFromObject function.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
2020-10-02 11:25:35 +03:00

116 lines
2.8 KiB
Go

package localstore
import (
"context"
objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
"github.com/nspcc-dev/neofs-node/pkg/core/object"
"github.com/pkg/errors"
"go.uber.org/zap"
)
func addressBytes(a *objectSDK.Address) ([]byte, error) {
return a.ToV2().StableMarshal(nil)
}
func objectBytes(o *object.Object) ([]byte, error) {
return o.ToV2().StableMarshal(nil)
}
func (s *Storage) Put(obj *object.Object) error {
addrBytes, err := addressBytes(obj.Address())
if err != nil {
return errors.Wrap(err, "could not marshal object address")
}
objBytes, err := objectBytes(obj)
if err != nil {
return errors.Wrap(err, "could not marshal the object")
}
metaBytes, err := metaToBytes(metaFromObject(obj))
if err != nil {
return errors.Wrap(err, "could not marshal object meta")
}
if err := s.blobBucket.Set(addrBytes, objBytes); err != nil {
return errors.Wrap(err, "could no save object in BLOB storage")
}
if err := s.metaBucket.Set(addrBytes, metaBytes); err != nil {
return errors.Wrap(err, "could not save object in meta storage")
}
return nil
}
func (s *Storage) Delete(addr *objectSDK.Address) error {
addrBytes, err := addressBytes(addr)
if err != nil {
return errors.Wrap(err, "could not marshal object address")
}
if err := s.blobBucket.Del(addrBytes); err != nil {
s.log.Warn("could not remove object from BLOB storage",
zap.Error(err),
)
}
if err := s.metaBucket.Del(addrBytes); err != nil {
return errors.Wrap(err, "could not remove object from meta storage")
}
return nil
}
func (s *Storage) Get(addr *objectSDK.Address) (*object.Object, error) {
addrBytes, err := addressBytes(addr)
if err != nil {
return nil, errors.Wrap(err, "could not marshal object address")
}
objBytes, err := s.blobBucket.Get(addrBytes)
if err != nil {
return nil, errors.Wrap(err, "could not get object from BLOB storage")
}
return object.FromBytes(objBytes)
}
func (s *Storage) Head(addr *objectSDK.Address) (*ObjectMeta, error) {
addrBytes, err := addressBytes(addr)
if err != nil {
return nil, errors.Wrap(err, "could not marshal object address")
}
metaBytes, err := s.metaBucket.Get(addrBytes)
if err != nil {
return nil, errors.Wrap(err, "could not get object from meta storage")
}
return metaFromBytes(metaBytes)
}
func (s *Storage) Iterate(filter FilterPipeline, handler func(*ObjectMeta) bool) error {
if filter == nil {
filter = NewFilter(&FilterParams{
Name: "SKIPPING_FILTER",
FilterFunc: func(context.Context, *ObjectMeta) *FilterResult {
return ResultPass()
},
})
}
return s.metaBucket.Iterate(func(_, v []byte) bool {
meta, err := metaFromBytes(v)
if err != nil {
s.log.Error("unmarshal meta bucket item failure",
zap.Error(err),
)
} else if filter.Pass(context.TODO(), meta).Code() == CodePass {
return !handler(meta)
}
return true
})
}