package tombstone import ( "github.com/TrueCloudLab/frostfs-api-go/v2/rpc/message" tombstone "github.com/TrueCloudLab/frostfs-api-go/v2/tombstone/grpc" "github.com/TrueCloudLab/frostfs-api-go/v2/util/proto" ) const ( expFNum = 1 splitIDFNum = 2 membersFNum = 3 ) // StableMarshal marshals unified tombstone message in a protobuf // compatible way without field order shuffle. func (s *Tombstone) StableMarshal(buf []byte) []byte { if s == nil { return []byte{} } if buf == nil { buf = make([]byte, s.StableSize()) } var offset int offset += proto.UInt64Marshal(expFNum, buf[offset:], s.exp) offset += proto.BytesMarshal(splitIDFNum, buf[offset:], s.splitID) for i := range s.members { offset += proto.NestedStructureMarshal(membersFNum, buf[offset:], &s.members[i]) } return buf } // StableSize returns size of tombstone message marshalled by StableMarshal function. func (s *Tombstone) StableSize() (size int) { if s == nil { return 0 } size += proto.UInt64Size(expFNum, s.exp) size += proto.BytesSize(splitIDFNum, s.splitID) for i := range s.members { size += proto.NestedStructureSize(membersFNum, &s.members[i]) } return size } // Unmarshal unmarshal tombstone message from its binary representation. func (s *Tombstone) Unmarshal(data []byte) error { return message.Unmarshal(s, data, new(tombstone.Tombstone)) }