func main()

in context/triple/go-client/cmd/client.go [44:95]
46 lines of code
6 McCabe index (conditional complexity)

func main() {
	err := config.Load()
	if err != nil {
		panic(err)
	}

	logger.Info("start to test triple unary context attachment transport")
	req := &api.HelloRequest{
		Name: "laurence",
	}
	ctx := context.Background()
	// set user defined context attachment, map value can be string or []string, otherwise it is not to be transferred
	userDefinedValueMap := make(map[string]interface{})
	userDefinedValueMap["key1"] = "user defined value 1"
	userDefinedValueMap["key2"] = "user defined value 2"
	userDefinedValueMap["key3"] = []string{"user defined value 3.1", "user defined value 3.2"}
	userDefinedValueMap["key4"] = []string{"user defined value 4.1", "user defined value 4.2"}
	ctx = context.WithValue(ctx, constant.AttachmentKey, userDefinedValueMap)
	reply, err := grpcGreeterImpl.SayHello(ctx, req)
	if err != nil {
		logger.Error(err)
	}
	logger.Infof("client response result: %v\n", reply)

	//stream rpc
	logger.Info("start to test triple streaming rpc context attachment transport")
	request := &api.HelloRequest{
		Name: "laurence",
	}
	stream, err := grpcGreeterImpl.SayHelloStream(ctx)
	if err != nil {
		logger.Error(err)
	}
	// stream grpc双向流式发送
	err = stream.Send(request)
	if err != nil {
		logger.Error(err)
	}
	logger.Infof("client stream send request: %v\n", request)

	var wg sync.WaitGroup
	wg.Add(1)
	go func() {
		defer wg.Done()
		reply, err := stream.Recv()
		if err != nil {
			logger.Error(err)
		}
		logger.Infof("client stream received result: %v\n", reply)
	}()
	wg.Wait()
}