unistack-org/micro-codec-segmentio
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simplify

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Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
This commit is contained in:
Василий Толстов 2021-05-26 00:58:47 +03:00
parent f9fca87e92
commit b4721030eb
4 changed files with 80 additions and 73 deletions
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4
go.mod
View File

@ -2,10 +2,8 @@ module github.com/unistack-org/micro-codec-segmentio/v3
go 1.16
// github.com/oxtoacart/bpool v0.0.0-20190530202638-03653db5a59c
require (
github.com/segmentio/encoding v0.2.17
github.com/unistack-org/micro/v3 v3.3.17
github.com/unistack-org/micro/v3 v3.3.19
google.golang.org/protobuf v1.26.0
)

6
go.sum
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@ -11,9 +11,9 @@ github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTK
github.com/segmentio/encoding v0.2.17 h1:cgfmPc44u1po1lz5bSgF00gLCROBjDNc7h+H7I20zpc=
github.com/segmentio/encoding v0.2.17/go.mod h1:7E68jTSWMnNoYhHi1JbLd7NBSB6XfE4vzqhR88hDBQc=
github.com/silas/dag v0.0.0-20210121180416-41cf55125c34/go.mod h1:7RTUFBdIRC9nZ7/3RyRNH1bdqIShrDejd1YbLwgPS+I=
github.com/unistack-org/micro/v3 v3.3.17 h1:WcyS7InP0DlS/JpRQGLh5sG6VstkdHJbgpMp+gmHmwg=
github.com/unistack-org/micro/v3 v3.3.17/go.mod h1:022EOEZZ789hZY3yB5ZSMXU6jLiadBgcNB/cpediV3c=
golang.org/x/net v0.0.0-20210423184538-5f58ad60dda6/go.mod h1:OJAsFXCWl8Ukc7SiCT/9KSuxbyM7479/AVlXFRxuMCk=
github.com/unistack-org/micro/v3 v3.3.19 h1:x0bl4H+IZvdHHKfA8qMcox9W92+e7rtbqgRfQPoP79w=
github.com/unistack-org/micro/v3 v3.3.19/go.mod h1:LXmPfbJnJNvL0kQs8HfnkV3Wya2Wb+C7keVq++RCZnk=
golang.org/x/net v0.0.0-20210510120150-4163338589ed/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=

59
json/json.go
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@ -3,10 +3,10 @@ package json
import (
"io"
"io/ioutil"
"github.com/segmentio/encoding/json"
"github.com/unistack-org/micro/v3/codec"
rutil "github.com/unistack-org/micro/v3/util/reflect"
)
var (
@ -17,6 +17,10 @@ var (
}
)
const (
flattenTag = "flatten"
)
type Marshaler struct {
EscapeHTML bool
SortMapKeys bool
@ -38,17 +42,21 @@ type jsonCodec struct {
decodeFlags json.ParseFlags
}
func (c *jsonCodec) Marshal(b interface{}) ([]byte, error) {
switch m := b.(type) {
func (c *jsonCodec) Marshal(v interface{}) ([]byte, error) {
switch m := v.(type) {
case nil:
return nil, nil
case *codec.Frame:
return m.Data, nil
}
if nv, nerr := rutil.StructFieldByTag(v, codec.DefaultTagName, flattenTag); nerr == nil {
v = nv
}
var err error
var buf []byte
buf, err = json.Append(buf, b, c.encodeFlags)
buf, err = json.Append(buf, v, c.encodeFlags)
return buf, err
}
@ -64,6 +72,9 @@ func (c *jsonCodec) Unmarshal(b []byte, v interface{}) error {
return nil
}
if nv, nerr := rutil.StructFieldByTag(v, codec.DefaultTagName, flattenTag); nerr == nil {
v = nv
}
_, err := json.Parse(b, v, c.decodeFlags)
return err
}
@ -72,38 +83,34 @@ func (c *jsonCodec) ReadHeader(conn io.Reader, m *codec.Message, t codec.Message
return nil
}
func (c *jsonCodec) ReadBody(conn io.Reader, b interface{}) error {
switch m := b.(type) {
case nil:
return nil
case *codec.Frame:
buf, err := ioutil.ReadAll(conn)
if err != nil {
return err
} else if len(buf) == 0 {
return nil
}
m.Data = buf
func (c *jsonCodec) ReadBody(conn io.Reader, v interface{}) error {
if v == nil {
return nil
}
err := json.NewDecoder(conn).Decode(b)
if err == io.EOF {
buf, err := io.ReadAll(conn)
if err != nil {
return err
} else if len(buf) == 0 {
return nil
}
return err
return c.Unmarshal(buf, v)
}
func (c *jsonCodec) Write(conn io.Writer, m *codec.Message, b interface{}) error {
switch m := b.(type) {
case nil:
func (c *jsonCodec) Write(conn io.Writer, m *codec.Message, v interface{}) error {
if v == nil {
return nil
case *codec.Frame:
_, err := conn.Write(m.Data)
return err
}
return json.NewEncoder(conn).Encode(b)
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 *jsonCodec) String() string {

84
proto/proto.go
View File

@ -3,15 +3,19 @@ package proto
import (
"io"
"io/ioutil"
"github.com/segmentio/encoding/proto"
"github.com/unistack-org/micro/v3/codec"
rutil "github.com/unistack-org/micro/v3/util/reflect"
newproto "google.golang.org/protobuf/proto"
)
type protoCodec struct{}
const (
flattenTag = "flatten"
)
func (c *protoCodec) Marshal(v interface{}) ([]byte, error) {
switch m := v.(type) {
case nil:
@ -19,13 +23,19 @@ func (c *protoCodec) Marshal(v interface{}) ([]byte, error) {
case *codec.Frame:
return m.Data, nil
case newproto.Message, proto.Message:
if nv, nerr := rutil.StructFieldByTag(v, codec.DefaultTagName, flattenTag); nerr == nil {
if nm, ok := nv.(newproto.Message); ok {
m = nm
} else if nm, ok := nv.(proto.Message); ok {
m = nm
}
}
return proto.Marshal(m)
}
return nil, codec.ErrInvalidMessage
}
func (c *protoCodec) Unmarshal(d []byte, v interface{}) error {
var err error
if d == nil {
return nil
}
@ -34,59 +44,51 @@ func (c *protoCodec) Unmarshal(d []byte, v interface{}) error {
return nil
case *codec.Frame:
m.Data = d
return nil
case newproto.Message, proto.Message:
err = proto.Unmarshal(d, m)
default:
err = codec.ErrInvalidMessage
if nv, nerr := rutil.StructFieldByTag(v, codec.DefaultTagName, flattenTag); nerr == nil {
if nm, ok := nv.(newproto.Message); ok {
m = nm
} else if nm, ok := nv.(proto.Message); ok {
m = nm
}
}
return proto.Unmarshal(d, m)
}
return err
return codec.ErrInvalidMessage
}
func (c *protoCodec) ReadHeader(conn io.Reader, m *codec.Message, t codec.MessageType) error {
return nil
}
func (c *protoCodec) ReadBody(conn io.Reader, b interface{}) error {
switch m := b.(type) {
case nil:
func (c *protoCodec) ReadBody(conn io.Reader, v interface{}) error {
if v == nil {
return nil
case *codec.Frame:
buf, err := ioutil.ReadAll(conn)
if err != nil {
return err
} else if len(buf) == 0 {
return nil
}
m.Data = buf
return nil
case newproto.Message, proto.Message:
buf, err := ioutil.ReadAll(conn)
if err != nil {
return err
} else if len(buf) == 0 {
return nil
}
return proto.Unmarshal(buf, m)
}
return codec.ErrInvalidMessage
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, b interface{}) error {
switch m := b.(type) {
case nil:
func (c *protoCodec) Write(conn io.Writer, m *codec.Message, v interface{}) error {
if v == nil {
return nil
case *codec.Frame:
_, err := conn.Write(m.Data)
return err
case newproto.Message, proto.Message:
buf, err := proto.Marshal(m)
if err != nil {
return err
}
_, err = conn.Write(buf)
return err
}
return codec.ErrInvalidMessage
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 {