forked from TrueCloudLab/frostfs-node
[#64] core/object: Implement tombstone content messages
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>support/v0.27
parent
6ee908c2db
commit
21bdc82fb5
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@ -0,0 +1,163 @@
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package object
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import (
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"encoding/binary"
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"fmt"
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"io"
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"github.com/nspcc-dev/neofs-api-go/pkg/object"
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"github.com/nspcc-dev/neofs-api-go/util/proto"
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"github.com/nspcc-dev/neofs-api-go/v2/refs"
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"github.com/pkg/errors"
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)
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// FIXME: replace this code to neofs-api-go
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const addrListField = 1
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type TombstoneContent TombstoneContentV2
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type TombstoneContentV2 struct {
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addrList []*refs.Address
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}
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func NewTombstoneContentFromV2(cV2 *TombstoneContentV2) *TombstoneContent {
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return (*TombstoneContent)(cV2)
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}
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func NewTombstoneContent() *TombstoneContent {
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return NewTombstoneContentFromV2(new(TombstoneContentV2))
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}
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func (c *TombstoneContent) MarshalBinary() ([]byte, error) {
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return c.ToV2().StableMarshal(nil)
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}
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func (c *TombstoneContent) SetAddressList(v ...*object.Address) {
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if c != nil {
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addrV2 := make([]*refs.Address, 0, len(v))
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for i := range v {
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addrV2 = append(addrV2, v[i].ToV2())
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}
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(*TombstoneContentV2)(c).SetAddressList(addrV2)
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}
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}
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func (c *TombstoneContent) GetAddressList() []*object.Address {
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if c != nil {
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addrV2 := (*TombstoneContentV2)(c).GetAddressList()
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addr := make([]*object.Address, 0, len(addrV2))
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for i := range addrV2 {
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addr = append(addr, object.NewAddressFromV2(addrV2[i]))
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}
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return addr
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}
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return nil
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}
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func (c *TombstoneContent) ToV2() *TombstoneContentV2 {
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return (*TombstoneContentV2)(c)
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}
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func (c *TombstoneContentV2) StableMarshal(buf []byte) ([]byte, error) {
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if c == nil {
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return make([]byte, 0), nil
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}
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if buf == nil {
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buf = make([]byte, c.StableSize())
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}
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offset := 0
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for i := range c.addrList {
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n, err := proto.NestedStructureMarshal(addrListField, buf[offset:], c.addrList[i])
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if err != nil {
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return nil, err
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}
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offset += n
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}
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return buf, nil
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}
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func (c *TombstoneContentV2) StableSize() (sz int) {
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if c == nil {
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return
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}
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for i := range c.addrList {
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sz += proto.NestedStructureSize(addrListField, c.addrList[i])
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}
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return
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}
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func (c *TombstoneContentV2) StableUnmarshal(data []byte) error {
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c.addrList = c.addrList[:0]
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for len(data) > 0 {
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expPrefix, _ := proto.NestedStructurePrefix(addrListField)
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prefix, ln := binary.Uvarint(data)
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if ln <= 0 {
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return io.ErrUnexpectedEOF
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} else if expPrefix != prefix {
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return errors.Errorf("wrong prefix %d", prefix)
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}
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data = data[ln:]
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sz, ln := binary.Uvarint(data)
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if ln <= 0 {
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return io.ErrUnexpectedEOF
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}
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data = data[ln:]
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addr := new(refs.Address)
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if err := addr.StableUnmarshal(data[:sz]); err != nil {
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fmt.Println(err)
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return err
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}
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c.addrList = append(c.addrList, addr)
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data = data[sz:]
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}
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return nil
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}
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func (c *TombstoneContentV2) SetAddressList(v []*refs.Address) {
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if c != nil {
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c.addrList = v
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}
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}
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func (c *TombstoneContentV2) GetAddressList() []*refs.Address {
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if c != nil {
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return c.addrList
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}
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return nil
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}
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func TombstoneContentFromBytes(data []byte) (*TombstoneContent, error) {
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if len(data) == 0 {
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return nil, nil
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}
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cV2 := new(TombstoneContentV2)
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if err := cV2.StableUnmarshal(data); err != nil {
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return nil, err
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}
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return NewTombstoneContentFromV2(cV2), nil
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}
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@ -0,0 +1,43 @@
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package object
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import (
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"crypto/sha256"
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"testing"
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"github.com/nspcc-dev/neofs-api-go/pkg/container"
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"github.com/nspcc-dev/neofs-api-go/pkg/object"
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"github.com/stretchr/testify/require"
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)
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func TestTombstoneContent_MarshalBinary(t *testing.T) {
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cid1 := container.NewID()
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cid1.SetSHA256([sha256.Size]byte{1, 2})
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id1 := object.NewID()
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id1.SetSHA256([sha256.Size]byte{3, 4})
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addr1 := object.NewAddress()
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addr1.SetObjectID(id1)
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addr1.SetContainerID(cid1)
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cid2 := container.NewID()
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cid2.SetSHA256([sha256.Size]byte{5, 6})
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id2 := object.NewID()
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id2.SetSHA256([sha256.Size]byte{7, 8})
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addr2 := object.NewAddress()
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addr2.SetObjectID(id2)
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addr2.SetContainerID(cid2)
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c := NewTombstoneContent()
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c.SetAddressList(addr1, addr2)
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data, err := c.MarshalBinary()
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require.NoError(t, err)
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c2, err := TombstoneContentFromBytes(data)
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require.NoError(t, err)
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require.Equal(t, c, c2)
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}
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