forked from TrueCloudLab/frostfs-api-go
[#226] v2/tombstone: Implement unified message structure with methods
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>support/v2.15
parent
2f3e5742d3
commit
6037a26a35
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@ -0,0 +1,53 @@
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package tombstone
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import (
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"github.com/nspcc-dev/neofs-api-go/v2/refs"
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refsGRPC "github.com/nspcc-dev/neofs-api-go/v2/refs/grpc"
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tombstone "github.com/nspcc-dev/neofs-api-go/v2/tombstone/grpc"
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)
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// TombstoneToGRPCMessage converts unified tombstone message into gRPC message.
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func TombstoneToGRPCMessage(t *Tombstone) *tombstone.Tombstone {
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if t == nil {
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return nil
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}
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m := new(tombstone.Tombstone)
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m.SetExpirationEpoch(t.GetExpirationEpoch())
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m.SetSplitId(t.GetSplitID())
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members := t.GetMembers()
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memberMsg := make([]*refsGRPC.ObjectID, 0, len(members))
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for i := range members {
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memberMsg = append(memberMsg, refs.ObjectIDToGRPCMessage(members[i]))
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}
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m.SetMembers(memberMsg)
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return m
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}
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// TombstoneFromGRPCMessage converts gRPC message into unified tombstone message.
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func TombstoneFromGRPCMessage(m *tombstone.Tombstone) *Tombstone {
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if m == nil {
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return nil
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}
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t := new(Tombstone)
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t.SetExpirationEpoch(m.GetExpirationEpoch())
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t.SetSplitID(m.GetSplitId())
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memberMsg := m.GetMembers()
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members := make([]*refs.ObjectID, 0, len(memberMsg))
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for i := range memberMsg {
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members = append(members, refs.ObjectIDFromGRPCMessage(memberMsg[i]))
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}
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t.SetMembers(members)
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return t
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}
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package tombstone
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import (
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refs "github.com/nspcc-dev/neofs-api-go/v2/refs/grpc"
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)
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// SetExpirationEpoch sets number of tombstone expiration epoch.
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func (x *Tombstone) SetExpirationEpoch(v uint64) {
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if x != nil {
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x.ExpirationEpoch = v
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}
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}
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// SetSplitId sets identifier of split object hierarchy.
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func (x *Tombstone) SetSplitId(v []byte) {
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if x != nil {
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x.SplitId = v
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}
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}
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// SetMembers sets list of objects to be deleted.
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func (x *Tombstone) SetMembers(v []*refs.ObjectID) {
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if x != nil {
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x.Members = v
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}
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}
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@ -0,0 +1,26 @@
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package tombstone
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import (
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tombstone "github.com/nspcc-dev/neofs-api-go/v2/tombstone/grpc"
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"google.golang.org/protobuf/encoding/protojson"
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)
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func (s *Tombstone) MarshalJSON() ([]byte, error) {
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return protojson.MarshalOptions{
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EmitUnpopulated: true,
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}.Marshal(
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TombstoneToGRPCMessage(s),
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)
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}
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func (s *Tombstone) UnmarshalJSON(data []byte) error {
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msg := new(tombstone.Tombstone)
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if err := protojson.Unmarshal(data, msg); err != nil {
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return err
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}
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*s = *TombstoneFromGRPCMessage(msg)
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return nil
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}
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package tombstone_test
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import (
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"testing"
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"github.com/nspcc-dev/neofs-api-go/v2/tombstone"
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"github.com/stretchr/testify/require"
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)
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func TestTombstoneJSON(t *testing.T) {
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from := generateTombstone()
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data, err := from.MarshalJSON()
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require.NoError(t, err)
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to := new(tombstone.Tombstone)
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require.NoError(t, to.UnmarshalJSON(data))
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require.Equal(t, from, to)
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}
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package tombstone
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import (
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"github.com/nspcc-dev/neofs-api-go/util/proto"
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tombstone "github.com/nspcc-dev/neofs-api-go/v2/tombstone/grpc"
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goproto "google.golang.org/protobuf/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, error) {
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if s == nil {
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return []byte{}, nil
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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 (
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offset, n int
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err error
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)
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n, err = proto.UInt64Marshal(expFNum, buf[offset:], s.exp)
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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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n, err = proto.BytesMarshal(splitIDFNum, buf[offset:], s.splitID)
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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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for i := range s.members {
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n, err = proto.NestedStructureMarshal(membersFNum, buf[offset:], s.members[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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// 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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m := new(tombstone.Tombstone)
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if err := goproto.Unmarshal(data, m); err != nil {
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return err
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}
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*s = *TombstoneFromGRPCMessage(m)
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return nil
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}
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@ -0,0 +1,39 @@
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package tombstone_test
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import (
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"testing"
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"github.com/nspcc-dev/neofs-api-go/v2/refs"
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"github.com/nspcc-dev/neofs-api-go/v2/tombstone"
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"github.com/stretchr/testify/require"
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)
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func TestTombstone_StableMarshal(t *testing.T) {
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from := generateTombstone()
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t.Run("non empty", func(t *testing.T) {
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wire, err := from.StableMarshal(nil)
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require.NoError(t, err)
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to := new(tombstone.Tombstone)
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require.NoError(t, to.Unmarshal(wire))
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require.Equal(t, from, to)
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})
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}
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func generateTombstone() *tombstone.Tombstone {
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t := new(tombstone.Tombstone)
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oid1 := new(refs.ObjectID)
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oid1.SetValue([]byte("Object ID 1"))
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oid2 := new(refs.ObjectID)
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oid2.SetValue([]byte("Object ID 2"))
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t.SetExpirationEpoch(100)
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t.SetSplitID([]byte("split ID"))
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t.SetMembers([]*refs.ObjectID{oid1, oid2})
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return t
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}
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@ -0,0 +1,63 @@
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package tombstone
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import (
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"github.com/nspcc-dev/neofs-api-go/v2/refs"
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)
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// Tombstone is a unified structure of Tombstone
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// message from proto definition.
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type Tombstone struct {
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exp uint64
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splitID []byte
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members []*refs.ObjectID
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}
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// GetExpirationEpoch returns number of tombstone expiration epoch.
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func (s *Tombstone) GetExpirationEpoch() uint64 {
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if s != nil {
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return s.exp
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}
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return 0
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}
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// SetExpirationEpoch sets number of tombstone expiration epoch.
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func (s *Tombstone) SetExpirationEpoch(v uint64) {
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if s != nil {
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s.exp = v
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}
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}
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// GetSplitID returns identifier of split object hierarchy.
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func (s *Tombstone) GetSplitID() []byte {
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if s != nil {
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return s.splitID
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}
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return nil
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}
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// SetSplitID sets identifier of split object hierarchy.
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func (s *Tombstone) SetSplitID(v []byte) {
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if s != nil {
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s.splitID = v
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}
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}
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// GetMembers returns list of objects to be deleted.
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func (s *Tombstone) GetMembers() []*refs.ObjectID {
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if s != nil {
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return s.members
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}
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return nil
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}
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// SetMembers sets list of objects to be deleted.
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func (s *Tombstone) SetMembers(v []*refs.ObjectID) {
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if s != nil {
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s.members = v
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}
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}
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