163 lines
3 KiB
Go
163 lines
3 KiB
Go
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.Unmarshal(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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