daemon.cpp

//@HEADER
// ************************************************************************
//
//                        Kokkos v. 4.0
//       Copyright (2022) National Technology & Engineering
//               Solutions of Sandia, LLC (NTESS).
//
// Under the terms of Contract DE-NA0003525 with NTESS,
// the U.S. Government retains certain rights in this software.
//
// Part of Kokkos, under the Apache License v2.0 with LLVM Exceptions.
// See https://kokkos.org/LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//@HEADER

#include "daemon.hpp"
#include <stdexcept>
#include <thread>

void Daemon::start() {
  if (!running_) {
    running_ = true;
    thread_  = std::thread(&Daemon::run, this);
  } else {
    throw std::runtime_error("Daemon already started");
  }
}

void Daemon::run() {
  while (running_) {
    auto next_run = std::chrono::high_resolution_clock::now() + interval_;
    func_();
    std::this_thread::sleep_until(next_run);
  }
}

void Daemon::stop() {
  if (running_) {
    running_ = false;
    thread_.join();
  } else {
    throw std::runtime_error("Daemon not started");
  }
}