codec_test.go

@@ -28,7 +28,7 @@ func TestFrameFlatten(t *testing.T) {
 		Name: &codec.Frame{Data: []byte("test")},
 	}
 
-	buf, err := NewCodec(codec.Flatten(true)).Marshal(s)
+	buf, err := NewCodec().Marshal(s)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -36,3 +36,16 @@ func TestFrameFlatten(t *testing.T) {
 		t.Fatalf("bytes not equal %s != %s", buf, `test`)
 	}
 }
+
+func TestReadBody(t *testing.T) {
+	t.Skip("skip as no proto")
+	s := &struct {
+		Name string
+	}{}
+	c := NewCodec()
+	b := bytes.NewReader(nil)
+	err := c.ReadBody(b, s)
+	if err != nil {
+		t.Fatal(err)
+	}
+}

go.mod

@@ -1,11 +1,10 @@
 module go.unistack.org/micro-codec-proto/v3
 
-go 1.22
+go 1.19
 
 require (
-	go.unistack.org/micro-proto/v3 v3.4.1
+	go.unistack.org/micro/v3 v3.10.14
-	go.unistack.org/micro/v3 v3.10.88
+	google.golang.org/protobuf v1.28.1
-	google.golang.org/protobuf v1.34.2
 )
 
 require (

go.sum

@@ -1,11 +1,18 @@
+github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.7 h1:81/ik6ipDQS2aGcBfIN5dHDB36BwrStyeAQquSYCV4o=
 github.com/google/go-cmp v0.5.7/go.mod h1:n+brtR0CgQNWTVd5ZUFpTBC8YFBDLK/h/bpaJ8/DtOE=
-go.unistack.org/micro-proto/v3 v3.4.1 h1:UTjLSRz2YZuaHk9iSlVqqsA50JQNAEK2ZFboGqtEa9Q=
+github.com/imdario/mergo v0.3.13/go.mod h1:4lJ1jqUDcsbIECGy0RUJAXNIhg+6ocWgb1ALK2O4oXg=
-go.unistack.org/micro-proto/v3 v3.4.1/go.mod h1:okx/cnOhzuCX0ggl/vToatbCupi0O44diiiLLsZ93Zo=
+github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
-go.unistack.org/micro/v3 v3.10.88 h1:MxlzP+77Y6Kphb3lzHxROL4XfE/WdCQMQpnPv4D9Z8U=
+github.com/silas/dag v0.0.0-20211117232152-9d50aa809f35/go.mod h1:7RTUFBdIRC9nZ7/3RyRNH1bdqIShrDejd1YbLwgPS+I=
-go.unistack.org/micro/v3 v3.10.88/go.mod h1:erMgt3Bl7vQQ0e9UpQyR5NlLiZ9pKeEJ9+1tfYFaqUg=
+go.unistack.org/micro/v3 v3.10.14 h1:7fgLpwGlCN67twhwtngJDEQvrMkUBDSA5vzZqxIDqNE=
+go.unistack.org/micro/v3 v3.10.14/go.mod h1:uMAc0U/x7dmtICCrblGf0ZLgYegu3VwQAquu+OFCw1Q=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
+google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
+google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

options.go

@@ -1,18 +0,0 @@
-package proto
-
-import (
-	codec "go.unistack.org/micro/v3/codec"
-	"google.golang.org/protobuf/proto"
-)
-
-type unmarshalOptionsKey struct{}
-
-func UnmarshalOptions(o proto.UnmarshalOptions) codec.Option {
-	return codec.SetOption(unmarshalOptionsKey{}, o)
-}
-
-type marshalOptionsKey struct{}
-
-func MarshalOptions(o proto.MarshalOptions) codec.Option {
-	return codec.SetOption(marshalOptionsKey{}, o)
-}

proto.go

@@ -1,35 +1,23 @@
 // Package proto provides a proto codec
-package proto
+package proto // import "go.unistack.org/micro-codec-proto/v3"
 
 import (
+	"io"
+
 	pb "go.unistack.org/micro-proto/v3/codec"
 	"go.unistack.org/micro/v3/codec"
 	rutil "go.unistack.org/micro/v3/util/reflect"
 	"google.golang.org/protobuf/proto"
 )
 
-var (
-	DefaultMarshalOptions = proto.MarshalOptions{
-		AllowPartial: false,
-	}
-
-	DefaultUnmarshalOptions = proto.UnmarshalOptions{
-		DiscardUnknown: false,
-		AllowPartial:   false,
-	}
-)
-
 type protoCodec struct {
 	opts codec.Options
 }
 
-type protoCodecV2 struct {
+var _ codec.Codec = &protoCodec{}
-	opts codec.Options
-}
 
-var (
+const (
-	_ codec.Codec   = (*protoCodec)(nil)
+	flattenTag = "flatten"
-	_ codec.CodecV2 = (*protoCodecV2)(nil)
 )
 
 func (c *protoCodec) Marshal(v interface{}, opts ...codec.Option) ([]byte, error) {
@@ -42,10 +30,8 @@ func (c *protoCodec) Marshal(v interface{}, opts ...codec.Option) ([]byte, error
 		o(&options)
 	}
 
-	if options.Flatten {
+	if nv, nerr := rutil.StructFieldByTag(v, options.TagName, flattenTag); nerr == nil {
-		if nv, nerr := rutil.StructFieldByTag(v, options.TagName, "flatten"); nerr == nil {
+		v = nv
-			v = nv
-		}
 	}
 
 	switch m := v.(type) {
@@ -53,17 +39,13 @@ func (c *protoCodec) Marshal(v interface{}, opts ...codec.Option) ([]byte, error
 		return m.Data, nil
 	case *pb.Frame:
 		return m.Data, nil
-	case proto.Message:
+	}
-		marshalOptions := DefaultMarshalOptions
+
-		if options.Context != nil {
+	if _, ok := v.(proto.Message); !ok {
-			if f, ok := options.Context.Value(marshalOptionsKey{}).(proto.MarshalOptions); ok {
-				marshalOptions = f
-			}
-		}
-		return marshalOptions.Marshal(m)
-	default:
 		return nil, codec.ErrInvalidMessage
 	}
+
+	return proto.Marshal(v.(proto.Message))
 }
 
 func (c *protoCodec) Unmarshal(d []byte, v interface{}, opts ...codec.Option) error {
@@ -76,10 +58,8 @@ func (c *protoCodec) Unmarshal(d []byte, v interface{}, opts ...codec.Option) er
 		o(&options)
 	}
 
-	if options.Flatten {
+	if nv, nerr := rutil.StructFieldByTag(v, options.TagName, flattenTag); nerr == nil {
-		if nv, nerr := rutil.StructFieldByTag(v, options.TagName, "flatten"); nerr == nil {
+		v = nv
-			v = nv
-		}
 	}
 
 	switch m := v.(type) {
@@ -89,17 +69,46 @@ func (c *protoCodec) Unmarshal(d []byte, v interface{}, opts ...codec.Option) er
 	case *pb.Frame:
 		m.Data = d
 		return nil
-	case proto.Message:
+	}
-		unmarshalOptions := DefaultUnmarshalOptions
+
-		if options.Context != nil {
+	if _, ok := v.(proto.Message); !ok {
-			if f, ok := options.Context.Value(marshalOptionsKey{}).(proto.UnmarshalOptions); ok {
-				unmarshalOptions = f
-			}
-		}
-		return unmarshalOptions.Unmarshal(d, m)
-	default:
 		return codec.ErrInvalidMessage
 	}
+
+	return proto.Unmarshal(d, v.(proto.Message))
+}
+
+func (c *protoCodec) ReadHeader(conn io.Reader, m *codec.Message, t codec.MessageType) error {
+	return nil
+}
+
+func (c *protoCodec) ReadBody(conn io.Reader, v interface{}) error {
+	if v == nil {
+		return nil
+	}
+
+	buf, err := io.ReadAll(conn)
+	if err != nil {
+		return err
+	} else if len(buf) == 0 {
+		return nil
+	}
+	return c.Unmarshal(buf, v)
+}
+
+func (c *protoCodec) Write(conn io.Writer, m *codec.Message, v interface{}) error {
+	if v == nil {
+		return nil
+	}
+
+	buf, err := c.Marshal(v)
+	if err != nil {
+		return err
+	} else if len(buf) == 0 {
+		return codec.ErrInvalidMessage
+	}
+	_, err = conn.Write(buf)
+	return err
 }
 
 func (c *protoCodec) String() string {
@@ -109,81 +118,3 @@ func (c *protoCodec) String() string {
 func NewCodec(opts ...codec.Option) codec.Codec {
 	return &protoCodec{opts: codec.NewOptions(opts...)}
 }
-
-func (c *protoCodecV2) Marshal(d []byte, v interface{}, opts ...codec.Option) ([]byte, error) {
-	if v == nil {
-		return nil, nil
-	}
-
-	options := c.opts
-	for _, o := range opts {
-		o(&options)
-	}
-
-	if options.Flatten {
-		if nv, nerr := rutil.StructFieldByTag(v, options.TagName, "flatten"); nerr == nil {
-			v = nv
-		}
-	}
-
-	switch m := v.(type) {
-	case *codec.Frame:
-		return m.Data, nil
-	case *pb.Frame:
-		return m.Data, nil
-	case proto.Message:
-		marshalOptions := DefaultMarshalOptions
-		if options.Context != nil {
-			if f, ok := options.Context.Value(marshalOptionsKey{}).(proto.MarshalOptions); ok {
-				marshalOptions = f
-			}
-		}
-		return marshalOptions.MarshalAppend(d[:0], m)
-	default:
-		return nil, codec.ErrInvalidMessage
-	}
-}
-
-func (c *protoCodecV2) Unmarshal(d []byte, v interface{}, opts ...codec.Option) error {
-	if v == nil || len(d) == 0 {
-		return nil
-	}
-
-	options := c.opts
-	for _, o := range opts {
-		o(&options)
-	}
-
-	if options.Flatten {
-		if nv, nerr := rutil.StructFieldByTag(v, options.TagName, "flatten"); nerr == nil {
-			v = nv
-		}
-	}
-
-	switch m := v.(type) {
-	case *codec.Frame:
-		m.Data = d
-		return nil
-	case *pb.Frame:
-		m.Data = d
-		return nil
-	case proto.Message:
-		unmarshalOptions := DefaultUnmarshalOptions
-		if options.Context != nil {
-			if f, ok := options.Context.Value(marshalOptionsKey{}).(proto.UnmarshalOptions); ok {
-				unmarshalOptions = f
-			}
-		}
-		return unmarshalOptions.Unmarshal(d, m)
-	default:
-		return codec.ErrInvalidMessage
-	}
-}
-
-func (c *protoCodecV2) String() string {
-	return "proto"
-}
-
-func NewCodecV2(opts ...codec.Option) codec.CodecV2 {
-	return &protoCodecV2{opts: codec.NewOptions(opts...)}
-}