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