Ivan I. Ovchinnikov
129 lines
3.9 KiB
C++
129 lines
3.9 KiB
C++
#include <iostream>
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#include <memory>
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#include <thread> // Добавили для работы с потоками
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#include "imgui.h"
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#include "imgui_impl_glfw.h"
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#include "imgui_impl_opengl3.h"
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#include <stdio.h>
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#include <GLFW/glfw3.h>
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#include "include/SerialApp.h"
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#include <grpcpp/grpcpp.h>
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// работает только после первой генерации
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#include "service.grpc.pb.h"
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static void glfw_error_callback(int error, const char* description) {
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fprintf(stderr, "GLFW Error %d: %s\n", error, description);
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}
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bool initImGUI(GLFWwindow *&window) {
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glfwSetErrorCallback(glfw_error_callback);
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if (!glfwInit()) {
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return true;
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}
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glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
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glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
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glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
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window = glfwCreateWindow(1280, 720, "Serial App", nullptr, nullptr);
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if (window == nullptr) {
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return true;
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}
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glfwMakeContextCurrent(window);
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glfwSwapInterval(1);
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IMGUI_CHECKVERSION();
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ImGui::CreateContext();
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const ImGuiIO& io = ImGui::GetIO(); (void)io;
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ImGui::StyleColorsDark();
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ImGui_ImplGlfw_InitForOpenGL(window, true);
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ImGui_ImplOpenGL3_Init("#version 130");
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return false;
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}
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// Простейшая реализация сервиса gRPC
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class MyServiceImpl final : public serial_sample::Greeter::Service {
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grpc::Status SayHello(grpc::ServerContext* context,
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const serial_sample::HelloRequest* request,
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serial_sample::HelloReply* reply) override {
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std::cout << request->name() << std::endl;
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reply->set_message("Hello, " + request->name() + "!");
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return grpc::Status::OK;
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}
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};
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int main(int, char**) {
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GLFWwindow *window;
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if (initImGUI(window)) {
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return 1;
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}
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SerialApp app; // frontend manager
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app.initialize();
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// инициализация gRPC
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const std::string serverAddress("0.0.0.0:50051");
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MyServiceImpl serviceImpl;
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grpc::ServerBuilder builder;
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builder.AddListeningPort(serverAddress, grpc::InsecureServerCredentials());
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builder.RegisterService(&serviceImpl);
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std::unique_ptr gRPCServer(builder.BuildAndStart());
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std::cout << "gRPC Server listening on " << serverAddress << std::endl;
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// сервер стартует в фоновом БЛОКИРУЮЩЕМ потоке
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std::thread gRPCThread([&gRPCServer] {
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gRPCServer->Wait();
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});
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// =========================================
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// Главный цикл приложения (GUI поток)
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while (!glfwWindowShouldClose(window)) {
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glfwPollEvents();
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ImGui_ImplOpenGL3_NewFrame();
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ImGui_ImplGlfw_NewFrame();
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ImGui::NewFrame();
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app.renderUI();
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if (app.isClosing()) {
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glfwSetWindowShouldClose(window, GLFW_TRUE);
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}
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ImGui::Render();
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int width, height;
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glfwGetFramebufferSize(window, &width, &height);
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glViewport(0, 0, width, height);
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glClearColor(0.45f, 0.55f, 0.60f, 1.00f);
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glClear(GL_COLOR_BUFFER_BIT);
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ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
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glfwSwapBuffers(window);
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}
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// выключение gRPC
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std::cout << "Shutting down gRPC server..." << std::endl;
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// Останавливаем сервер (это разблокирует метод Wait() в фоновом потоке)
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gRPCServer->Shutdown();
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// Обязательно дожидаемся завершения фонового потока перед выходом из main
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if (gRPCThread.joinable()) {
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gRPCThread.join();
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}
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std::cout << "gRPC server thread joined." << std::endl;
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// =========================================
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ImGui_ImplOpenGL3_Shutdown();
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ImGui_ImplGlfw_Shutdown();
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ImGui::DestroyContext();
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glfwDestroyWindow(window);
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glfwTerminate();
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return 0;
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}
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