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Implementing proto.Clone

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This commit is contained in:
Evgeniy Kulikov 2020-07-03 09:12:02 +03:00
parent 2456521240
commit d45548c43b
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GPG key ID: BF6AEE0A2A699BF2
11 changed files with 129 additions and 10 deletions
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8
container/types.go
View file

@ -3,6 +3,7 @@ package container
import (
"bytes"
"github.com/gogo/protobuf/proto"
"github.com/google/uuid"
"github.com/nspcc-dev/neofs-api-go/internal"
"github.com/nspcc-dev/neofs-api-go/refs"
@ -63,6 +64,13 @@ func (m *Container) ID() (CID, error) {
return refs.CIDForBytes(data), nil
}
// Merge used by proto.Clone
func (m *Container) Merge(src proto.Message) {
if tmp, ok := src.(*Container); ok {
*m = *tmp
}
}
// Empty checks that container is empty.
func (m *Container) Empty() bool {
return m.Capacity == 0 || bytes.Equal(m.Salt.Bytes(), emptySalt) || bytes.Equal(m.OwnerID.Bytes(), emptyOwner)

8
hash/hash.go
View file

@ -3,6 +3,7 @@ package hash
import (
"bytes"
"github.com/gogo/protobuf/proto"
"github.com/mr-tron/base58"
"github.com/nspcc-dev/neofs-api-go/internal"
"github.com/nspcc-dev/tzhash/tz"
@ -78,6 +79,13 @@ func (h Hash) Validate(hashes []Hash) bool {
return err == nil && ok
}
// Merge used by proto.Clone
func (h *Hash) Merge(src proto.Message) {
if tmp, ok := src.(*Hash); ok {
*h = *tmp
}
}
// Sum returns Tillich-Zémor checksum of data.
func Sum(data []byte) Hash { return tz.Sum(data) }

3
internal/proto.go
View file

@ -13,4 +13,7 @@ type Custom interface {
MarshalTo(data []byte) (int, error)
Unmarshal(data []byte) error
proto.Message
// Should contains for proto.Clone
proto.Merger
}

26
object/types.go
View file

@ -163,6 +163,13 @@ func (m *Object) SetHeader(h *Header) {
m.AddHeader(h)
}
// Merge used by proto.Clone
func (m *Object) Merge(src proto.Message) {
if tmp, ok := src.(*Object); ok {
tmp.CopyTo(m)
}
}
func (m Header) typeOf(t isHeader_Value) (ok bool) {
switch t.(type) {
case *Header_Link:
@ -233,8 +240,15 @@ func (m *Object) Copy() (obj *Object) {
// This function creates copies on every available data slice.
func (m *Object) CopyTo(o *Object) {
o.SystemHeader = m.SystemHeader
o.Headers = make([]Header, len(m.Headers))
o.Payload = make([]byte, len(m.Payload))
if m.Headers != nil {
o.Headers = make([]Header, len(m.Headers))
}
if m.Payload != nil {
o.Payload = make([]byte, len(m.Payload))
copy(o.Payload, m.Payload)
}
for i := range m.Headers {
switch v := m.Headers[i].Value.(type) {
@ -246,23 +260,23 @@ func (m *Object) CopyTo(o *Object) {
},
}
case *Header_HomoHash:
hash := proto.Clone(&v.HomoHash).(*Hash)
o.Headers[i] = Header{
Value: &Header_HomoHash{
HomoHash: v.HomoHash,
HomoHash: *hash,
},
}
case *Header_Token:
token := *v.Token
o.Headers[i] = Header{
Value: &Header_Token{
Token: v.Token,
Token: &token,
},
}
default:
o.Headers[i] = *proto.Clone(&m.Headers[i]).(*Header)
}
}
copy(o.Payload, m.Payload)
}
// Address returns object's address.

21
object/types_test.go
View file

@ -4,6 +4,7 @@ import (
"bytes"
"testing"
"github.com/gogo/protobuf/proto"
"github.com/nspcc-dev/neofs-api-go/refs"
"github.com/nspcc-dev/neofs-api-go/service"
"github.com/nspcc-dev/neofs-api-go/storagegroup"
@ -192,11 +193,23 @@ func TestObject_Copy(t *testing.T) {
},
})
cp := obj.Copy()
{ // Copying
cp := obj.Copy()
_, h := cp.LastHeader(HeaderType(TokenHdr))
require.NotNil(t, h)
require.Equal(t, token, h.GetValue().(*Header_Token).Token)
_, h := cp.LastHeader(HeaderType(TokenHdr))
require.NotNil(t, h)
require.Equal(t, token, h.GetValue().(*Header_Token).Token)
}
{ // Cloning
cl := proto.Clone(obj).(*Object)
require.Equal(t, obj, cl)
_, h := cl.LastHeader(HeaderType(TokenHdr))
h.GetToken().SetID(service.TokenID{3, 2, 1})
require.NotEqual(t, token, h.GetToken())
}
})
}

12
refs/address.go
View file

@ -4,6 +4,7 @@ import (
"crypto/sha256"
"strings"
"github.com/gogo/protobuf/proto"
"github.com/nspcc-dev/neofs-api-go/internal"
)
@ -66,3 +67,14 @@ func (m Address) Hash() ([]byte, error) {
h := sha256.Sum256(append(m.ObjectID.Bytes(), m.CID.Bytes()...))
return h[:], nil
}
// Merge used by proto.Clone
func (m *Address) Merge(src proto.Message) {
if addr, ok := src.(*Address); ok {
cid := proto.Clone(&addr.CID).(*CID)
oid := proto.Clone(&addr.ObjectID).(*ObjectID)
m.CID = *cid
m.ObjectID = *oid
}
}

8
refs/cid.go
View file

@ -4,6 +4,7 @@ import (
"bytes"
"crypto/sha256"
"github.com/gogo/protobuf/proto"
"github.com/mr-tron/base58"
"github.com/pkg/errors"
)
@ -94,3 +95,10 @@ func (c CID) Verify(data []byte) error {
}
return nil
}
// Merge used by proto.Clone
func (c *CID) Merge(src proto.Message) {
if cid, ok := src.(*CID); ok {
*c = *cid
}
}

8
refs/owner.go
View file

@ -4,6 +4,7 @@ import (
"bytes"
"crypto/ecdsa"
"github.com/gogo/protobuf/proto"
"github.com/mr-tron/base58"
"github.com/nspcc-dev/neofs-api-go/chain"
"github.com/pkg/errors"
@ -63,3 +64,10 @@ func (o *OwnerID) Unmarshal(data []byte) error {
copy((*o)[:], data)
return nil
}
// Merge used by proto.Clone
func (o *OwnerID) Merge(src proto.Message) {
if uid, ok := src.(*OwnerID); ok {
*o = *uid
}
}

29
refs/types_test.go
View file

@ -23,6 +23,19 @@ func TestSGID(t *testing.T) {
require.NoError(t, sgid2.Unmarshal(data))
require.Equal(t, sgid1, sgid2)
})
t.Run("check that proto.Clone works like expected", func(t *testing.T) {
var (
sgid1 UUID
sgid2 *UUID
)
sgid1, err := NewSGID()
require.NoError(t, err)
sgid2 = proto.Clone(&sgid1).(*SGID)
require.Equal(t, sgid1, *sgid2)
})
}
func TestUUID(t *testing.T) {
@ -80,6 +93,18 @@ func TestOwnerID(t *testing.T) {
require.NoError(t, u2.Unmarshal(data))
require.Equal(t, u1, u2)
})
t.Run("check that proto.Clone works like expected", func(t *testing.T) {
var u2 *OwnerID
key := test.DecodeKey(0)
u1, err := NewOwnerID(&key.PublicKey)
require.NoError(t, err)
u2 = proto.Clone(&u1).(*OwnerID)
require.Equal(t, u1, *u2)
})
}
func TestAddress(t *testing.T) {
@ -109,4 +134,8 @@ func TestAddress(t *testing.T) {
actual, err := ParseAddress(expect)
require.NoError(t, err)
require.Equal(t, expect, actual.String())
addr := proto.Clone(actual).(*Address)
require.Equal(t, actual, addr)
require.Equal(t, expect, addr.String())
}

8
refs/uuid.go
View file

@ -4,6 +4,7 @@ import (
"bytes"
"encoding/hex"
"github.com/gogo/protobuf/proto"
"github.com/google/uuid"
"github.com/pkg/errors"
)
@ -74,3 +75,10 @@ func (u *UUID) Parse(id string) error {
copy((*u)[:], tmp[:])
return nil
}
// Merge used by proto.Clone
func (u *UUID) Merge(src proto.Message) {
if tmp, ok := src.(*UUID); ok {
*u = *tmp
}
}

8
service/verify.go
View file

@ -3,6 +3,7 @@ package service
import (
"crypto/ecdsa"
"github.com/gogo/protobuf/proto"
"github.com/nspcc-dev/neofs-api-go/internal"
crypto "github.com/nspcc-dev/neofs-crypto"
)
@ -104,6 +105,13 @@ func (t testCustomField) MarshalTo(data []byte) (int, error) { return 0, nil }
// Marshal skip, it's for test usage only.
func (t testCustomField) Marshal() ([]byte, error) { return nil, nil }
// Merge used by proto.Clone
func (t *testCustomField) Merge(src proto.Message) {
if tmp, ok := src.(*testCustomField); ok {
*t = *tmp
}
}
// GetBearerToken wraps Bearer field and return BearerToken interface.
//
// If Bearer field value is nil, nil returns.