micro-server-drpc/codec.go
Vasiliy Tolstov 702ed5640a update import paths
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
2021-10-27 18:20:32 +03:00

55 lines
1.1 KiB
Go

package drpc
import (
"io"
"go.unistack.org/micro/v3/codec"
"storj.io/drpc"
)
type wrapMicroCodec struct{ codec.Codec }
func (w *wrapMicroCodec) Marshal(v drpc.Message) ([]byte, error) {
if m, ok := v.(*codec.Frame); ok {
return m.Data, nil
}
return w.Codec.Marshal(v.(interface{}))
}
func (w *wrapMicroCodec) Unmarshal(d []byte, v drpc.Message) error {
if d == nil || v == nil {
return nil
}
if m, ok := v.(*codec.Frame); ok {
m.Data = d
return nil
}
return w.Codec.Unmarshal(d, v.(interface{}))
}
func (w *wrapMicroCodec) ReadHeader(conn io.Reader, m *codec.Message, mt codec.MessageType) error {
return nil
}
func (w *wrapMicroCodec) ReadBody(conn io.Reader, v interface{}) error {
if m, ok := v.(*codec.Frame); ok {
_, err := conn.Read(m.Data)
return err
}
return codec.ErrInvalidMessage
}
func (w *wrapMicroCodec) Write(conn io.Writer, m *codec.Message, v interface{}) error {
// if we don't have a body
if v != nil {
b, err := w.Marshal(v)
if err != nil {
return err
}
m.Body = b
}
// write the body using the framing codec
_, err := conn.Write(m.Body)
return err
}