add sd

sd/example/main.go

@@ -0,0 +1,71 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"log"
+	"net"
+
+	"github.com/go-gost/plugin/sd/proto"
+	"google.golang.org/grpc"
+)
+
+var (
+	port = flag.Int("port", 8000, "The server port")
+)
+
+type server struct {
+	proto.UnimplementedSDServer
+}
+
+func (s *server) Register(ctx context.Context, in *proto.RegisterRequest) (*proto.RegisterReply, error) {
+	reply := &proto.RegisterReply{}
+	log.Printf("register: %s, %s, %s", in.GetName(), in.GetNetwork(), in.GetAddress())
+	return reply, nil
+}
+
+func (s *server) Deregister(ctx context.Context, in *proto.DeregisterRequest) (*proto.DeregisterReply, error) {
+	reply := &proto.DeregisterReply{}
+	log.Printf("deregister: %s", in.GetName())
+	return reply, nil
+}
+
+func (s *server) Renew(ctx context.Context, in *proto.RenewRequest) (*proto.RenewReply, error) {
+	reply := &proto.RenewReply{}
+	log.Printf("renew: %s", in.GetName())
+	return reply, nil
+}
+
+func (s *server) Get(ctx context.Context, in *proto.GetServiceRequest) (*proto.GetServiceReply, error) {
+	log.Printf("get: %s", in.GetName())
+	reply := &proto.GetServiceReply{
+		Services: []*proto.Service{
+			{
+				Name:    "c25cab37-4d84-4c34-8c30-4916a26b8fe9",
+				Network: "tcp",
+				Address: "127.0.0.1:8420",
+			},
+			{
+				Name:    "b83294f5-34b6-4698-b15d-b3c11b81ec1c",
+				Network: "udp",
+				Address: "127.0.0.1:8420",
+			},
+		},
+	}
+	return reply, nil
+}
+
+func main() {
+	flag.Parse()
+	lis, err := net.Listen("tcp", fmt.Sprintf(":%d", *port))
+	if err != nil {
+		log.Fatalf("failed to listen: %v", err)
+	}
+	s := grpc.NewServer()
+	proto.RegisterSDServer(s, &server{})
+	log.Printf("server listening at %v", lis.Addr())
+	if err := s.Serve(lis); err != nil {
+		log.Fatalf("failed to serve: %v", err)
+	}
+}