init

cmd/grpc.go

@@ -0,0 +1,43 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/reflection"
+	"log"
+	pb "madsky.ru/go-tracker/proto"
+	"net"
+)
+
+var port = flag.Int("port", 50051, "the server port")
+
+type GrpcServer struct {
+	pb.UnimplementedHelloServer
+}
+
+func (s *GrpcServer) SayHello(_ context.Context, in *pb.HelloRequest) (*pb.HelloResponse, error) {
+	log.Printf("Received: %v", in.GetName())
+	return &pb.HelloResponse{Message: "Hello " + in.GetName()}, nil
+}
+
+func grpcServer() {
+	flag.Parse()
+
+	listen, err := net.Listen("tcp", fmt.Sprintf(":%d", *port))
+	if err != nil {
+		log.Fatalf("failed to listen: %v", err)
+	}
+
+	s := grpc.NewServer()
+
+	reflection.Register(s)
+	pb.RegisterHelloServer(s, &GrpcServer{})
+
+	log.Printf("server listening at %v", listen.Addr())
+
+	if err := s.Serve(listen); err != nil {
+		log.Fatalf("failed to serve: %v", err)
+	}
+}