micro-client-grpc/response.go
Vasiliy Tolstov 2ed58a202b update metadata
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
2020-11-18 12:24:58 +03:00

46 lines
870 B
Go

package grpc
import (
"strings"
bytes "github.com/unistack-org/micro-codec-bytes"
"github.com/unistack-org/micro/v3/codec"
"github.com/unistack-org/micro/v3/metadata"
"google.golang.org/grpc"
"google.golang.org/grpc/encoding"
)
type response struct {
conn *poolConn
stream grpc.ClientStream
codec encoding.Codec
gcodec codec.Codec
}
// Read the response
func (r *response) Codec() codec.Reader {
return r.gcodec
}
// read the header
func (r *response) Header() metadata.Metadata {
meta, err := r.stream.Header()
if err != nil {
return metadata.New(0)
}
md := metadata.New(len(meta))
for k, v := range meta {
md.Set(k, strings.Join(v, ","))
}
return md
}
// Read the undecoded response
func (r *response) Read() ([]byte, error) {
f := &bytes.Frame{}
if err := r.gcodec.ReadBody(f); err != nil {
return nil, err
}
return f.Data, nil
}