forked from TrueCloudLab/frostfs-node
37 lines
772 B
Go
37 lines
772 B
Go
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package localstore
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import (
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"context"
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"github.com/nspcc-dev/neofs-api-go/object"
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"github.com/pkg/errors"
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)
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func (l *localstore) PRead(ctx context.Context, key Address, rng object.Range) ([]byte, error) {
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var (
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err error
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k, v []byte
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obj Object
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)
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k, err = key.Hash()
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if err != nil {
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return nil, errors.Wrap(err, "Localstore Get failed on key.Marshal")
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}
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v, err = l.blobBucket.Get(k)
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if err != nil {
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return nil, errors.Wrap(err, "Localstore Get failed on blobBucket.Get")
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}
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if err := obj.Unmarshal(v); err != nil {
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return nil, errors.Wrap(err, "Localstore Get failed on object.Unmarshal")
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}
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if rng.Offset+rng.Length > uint64(len(obj.Payload)) {
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return nil, ErrOutOfRange
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}
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return obj.Payload[rng.Offset : rng.Offset+rng.Length], nil
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}
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