add: unary rpc

client/client.go

@@ -0,0 +1,37 @@
+/*
+ * @Date: 2021-06-15 22:08:18
+ * @LastEditors: viletyy
+ * @LastEditTime: 2021-06-15 22:17:08
+ * @FilePath: /grpc-demo/client/client.go
+ */
+package main
+
+import (
+	"context"
+	"flag"
+	"log"
+
+	pb "github.com/go-inpro/grpc-demo/proto"
+	"google.golang.org/grpc"
+)
+
+var port string
+
+func init() {
+	flag.StringVar(&port, "port", "8001", "启动端口号")
+	flag.Parse()
+}
+
+func main() {
+	conn, _ := grpc.Dial(":"+port, grpc.WithInsecure())
+	defer conn.Close()
+
+	client := pb.NewGreeterClient(conn)
+	_ = SayHello(client)
+}
+
+func SayHello(client pb.GreeterClient) error {
+	resp, _ := client.SayHello(context.Background(), &pb.HelloRequest{Name: "viletyy"})
+	log.Printf("client.SayHello resp: %s", resp.Message)
+	return nil
+}

server/server.go

@@ -0,0 +1,36 @@
+/*
+ * @Date: 2021-06-15 22:01:41
+ * @LastEditors: viletyy
+ * @LastEditTime: 2021-06-15 22:07:56
+ * @FilePath: /grpc-demo/server/server.go
+ */
+package main
+
+import (
+	"context"
+	"flag"
+	"net"
+
+	pb "github.com/go-inpro/grpc-demo/proto"
+	"google.golang.org/grpc"
+)
+
+var port string
+
+func init() {
+	flag.StringVar(&port, "port", "8001", "启动端口号")
+	flag.Parse()
+}
+
+type GreeterServer struct{}
+
+func (s *GreeterServer) SayHello(ctx context.Context, r *pb.HelloRequest) (*pb.HelloReply, error) {
+	return &pb.HelloReply{Message: "hello.world"}, nil
+}
+
+func main() {
+	server := grpc.NewServer()
+	pb.RegisterGreeterServer(server, &GreeterServer{})
+	lis, _ := net.Listen("tcp", ":"+port)
+	server.Serve(lis)
+}