48 lines
1002 B
Go
48 lines
1002 B
Go
// grpc server
|
|
package main
|
|
|
|
import (
|
|
"context"
|
|
"net"
|
|
|
|
pb "github.com/esinio/geco/gen/service/echo/v1"
|
|
"github.com/golang/protobuf/ptypes"
|
|
|
|
"google.golang.org/grpc"
|
|
"google.golang.org/grpc/codes"
|
|
"google.golang.org/grpc/status"
|
|
)
|
|
|
|
func main() {
|
|
s := grpc.NewServer()
|
|
pb.RegisterEchoServiceServer(s, &service{})
|
|
lis, err := net.Listen("tcp", ":9090")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
defer lis.Close()
|
|
|
|
defer s.GracefulStop()
|
|
|
|
if err := s.Serve(lis); err != nil {
|
|
panic(err)
|
|
}
|
|
}
|
|
|
|
// UnimplementedEchoServiceServer must be embedded to have forward compatible implementations.
|
|
type service struct {
|
|
pb.UnimplementedEchoServiceServer
|
|
}
|
|
|
|
func (s *service) Echo(ctx context.Context, req *pb.StringMessage) (*pb.StringMessage, error) {
|
|
if req.Value == "" {
|
|
return nil, status.Errorf(codes.Unimplemented, "value is empty")
|
|
}
|
|
return &pb.StringMessage{
|
|
Value: req.Value,
|
|
Timestamp: ptypes.TimestampNow(),
|
|
}, nil
|
|
}
|
|
|
|
// func (s *service) mustEmbedUnimplementedEchoServiceServer() {}
|