StopHelper.hpp

#pragma once
 
#include <boost/asio/spawn.hpp>
#include <boost/signals2/signal.hpp>
#include <boost/signals2/variadic_signal.hpp>
 
#include <atomic>
#include <memory>
 
namespace util {

class StopHelper {
    boost::signals2::signal<void()> onStopReady_;
    std::unique_ptr<std::atomic_bool> stopped_ = std::make_unique<std::atomic_bool>(false);
 
public:
    StopHelper() = default;
    ~StopHelper() = default;
 
    StopHelper(StopHelper&&) = delete;
    StopHelper&
    operator=(StopHelper&&) = delete;
    StopHelper(StopHelper const&) = delete;
    StopHelper&
    operator=(StopHelper const&) = delete;

    void
    readyToStop();

    void
    asyncWaitForStop(boost::asio::yield_context yield);
};
 
}  // namespace util