// startHttpServer start http server
func startHttpServer() {
    mux := http.NewServeMux()
    // mux.Handle("/metrics", promhttp.Handler())
    if err := http.ListenAndServe(":1608", mux); err != nil {
        log.Fatal("startHttpServer ListenAndServe error: " + err.Error())
    }
}　

// startHttpServer start http server
func startHttpServer() {
    mux := http.NewServeMux()
    // mux.Handle("/metrics", promhttp.Handler())
    srv := &http.Server{
        Addr:    ":1608",
        Handler: mux,
    }
    // 注冊平滑關閉，退出時會調用 srv.Shutdown(ctx)
    quit.GetQuitEvent().RegisterQuitCloser(srv)
    if err := srv.ListenAndServe(); err != nil {
        log.Fatal("startHttpServer ListenAndServe error: " + err.Error())
    }
}

// startHttpServer start http server
func startHttpServer() {
    mux := http.NewServeMux()
    // mux.Handle("/metrics", promhttp.Handler())
    srv := &http.Server{
        Addr:    ":1608",
        Handler: mux,
    }
    // 把平滑退出注冊到http.Server中
    srv.RegisterOnShutdown(quit.GetQuitEvent().GracefulStop)
    if err := srv.ListenAndServe(); err != nil {
        log.Fatal("startHttpServer ListenAndServe error: " + err.Error())
    }
}

// startGrpcServer start grpc server
func startGrpcServer() {
    listen, err := net.Listen("tcp", "0.0.0.0:9999")
    if err != nil {
        log.Fatalf("Failed to listen: %v", err)
        return
    }
    grpcServer := grpc.NewServer()
    // helloBoot.GrpcRegister(grpcServer)
    go grpcServer.Serve(listen)
    defer grpcServer.GracefulStop()
    // ...
}

// startGrpcServer start grpc server
func startGrpcServer() {
    listen, err := net.Listen("tcp", "0.0.0.0:9999")
    if err != nil {
        log.Fatalf("Failed to listen: %v", err)
        return
    }
    grpcServer := grpc.NewServer()
    // helloBoot.GrpcRegister(grpcServer)
    go grpcServer.Serve(listen)
    // 把 grpc 的GracefulStop注冊到退出事件中
    quit.GetQuitEvent().RegisterStopFunc(grpcServer.GracefulStop)
    quit.WaitSignal()
}　　

// myWorker my worker
type myWorker struct {
}
 
// RunWorkerWithChan run Goroutine worker
func (m *myWorker) RunWorkerWithChan() {
    // 啟動一個Goroutine時，增加Goroutine數
    quit.GetQuitEvent().AddGoroutine()
    defer func() {
        // 一個Goroutine退出時，減少Goroutine數
        quit.GetQuitEvent().DoneGoroutine()
    }()
    // 退出時，此次退出
    for !quit.GetQuitEvent().HasFired() {
        select {
        // 退出時，收到退出信號
        case <-quit.GetQuitEvent().Done():
            break
            //case msg := <- m.YouChan:
            // handle msg
        }
    }
}
 
// RunWorker run Goroutine worker
func (m *myWorker) RunWorker() {
    // 啟動一個Goroutine時，增加Goroutine數
    quit.GetQuitEvent().AddGoroutine()
    defer func() {
        // 一個Goroutine退出時，減少Goroutine數
        quit.GetQuitEvent().DoneGoroutine()
    }()
 
    // 退出時，此次退出
    for !quit.GetQuitEvent().HasFired() {
        // ...
    }
}

// startMyService start my service
func startMyService() {
    srv := NewMyService()
    // 注冊平滑關閉，退出時會調用 srv.Close()
    quit.GetQuitEvent().RegisterCloser(srv)
    srv.Run()
}
 
// myService my service
type myService struct {
    isStop bool
}
 
// NewMyService new
func NewMyService() *myService {
    return &myService{}
}
 
// Close my service
func (m *myService) Close() error {
    m.isStop = true
    return nil
}
 
// Run my service
func (m *myService) Run() {
    for !m.isStop {
        // ....
    }
}

func startMyServer() {
    // ...
    // xxx框架退出函數注冊退出事件
    xxx.RegisterQuitter(func() {
        quit.GetQuitEvent().GracefulStop()
    })
}