AsioTimer.h

/*
 * Copyright (c) 2018, Automatak LLC
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 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
 * disclaimer in the documentation and/or other materials provided with the distribution.
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 * products derived from this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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#include "exe4cpp/ITimer.h"

#include "asio.hpp"

namespace exe4cpp
{

class AsioTimer final : public exe4cpp::ITimer
{
    friend class BasicExecutor;
    friend class StrandExecutor;

public:
    AsioTimer(const std::shared_ptr<asio::io_service>& io_service) :
        io_service{io_service},
        impl{*io_service}
    {}

    // Uncopyable
    AsioTimer(const AsioTimer&) = delete;
    AsioTimer& operator=(const AsioTimer&) = delete;

    static std::shared_ptr<AsioTimer> create(const std::shared_ptr<asio::io_service>& io_service)
    {
        return std::make_shared<AsioTimer>(io_service);
    }

    virtual void cancel() override
    {
        std::error_code ec;
        impl.cancel(ec);
    }

    virtual steady_time_t expires_at() override
    {
        return impl.expires_at();
    }

private:
    const std::shared_ptr<asio::io_service> io_service;
    asio::basic_waitable_timer<std::chrono::steady_clock> impl;
};

}