async_periodic.h

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// Copyright (c) Space-ng, inc. All rights reserved.
#pragma once
 
#include "sol3/asio/strand.h"
 
#include <boost/asio/basic_waitable_timer.hpp>
#include <boost/asio/steady_timer.hpp>
#include <boost/asio/strand.hpp>
 
#include <chrono>
#include <cstdint>
 
namespace sol3::core {
template <typename TClockT = std::chrono::steady_clock>
typename TClockT::time_point periodicExpiry(
    typename TClockT::time_point now,
    typename TClockT::duration period,
    typename TClockT::duration phase = {});
 
class IAsyncPeriodic {
 public:
  virtual ~IAsyncPeriodic() = default;
  virtual void start(
      std::function<void(std::chrono::steady_clock::time_point expiry)>
          handler) = 0;
  virtual void cancel() = 0;
  virtual void setPeriod(std::chrono::steady_clock::duration period) = 0;
  virtual void setPhase(std::chrono::steady_clock::duration phase) = 0;
 
  virtual std::chrono::steady_clock::duration period() const = 0;
  virtual std::chrono::steady_clock::duration phase() const = 0;
  virtual std::chrono::steady_clock::time_point expiry() const = 0;
};
 
template <typename TRep, typename TPeriod>
std::shared_ptr<IAsyncPeriodic> createAsyncPeriodic(
    asio::Strand strand, std::chrono::duration<TRep, TPeriod> period);
 
}  // namespace sol3::core