info-event.hpp

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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/* SPDX-FileCopyrightText: 2021-2022 Bartosz Golaszewski <brgl@bgdev.pl> */
 
#ifndef __LIBGPIOD_CXX_INFO_EVENT_HPP__
#define __LIBGPIOD_CXX_INFO_EVENT_HPP__
 
#if !defined(__LIBGPIOD_GPIOD_CXX_INSIDE__)
#error "Only gpiod.hpp can be included directly."
#endif
 
#include <cstdint>
#include <iostream>
#include <memory>
 
#include "timestamp.hpp"
 
namespace gpiod {
 
class chip;
class line_info;
 
class info_event final
{
public:
 
    enum class event_type
    {
        LINE_REQUESTED = 1,
        LINE_RELEASED,
        LINE_CONFIG_CHANGED,
    };
 
    info_event(const info_event& other);
 
    info_event(info_event&& other) noexcept;
 
    ~info_event();
 
    info_event& operator=(const info_event& other);
 
    info_event& operator=(info_event&& other) noexcept;
 
    event_type type() const;
 
    ::std::uint64_t timestamp_ns() const noexcept;
 
    const line_info& get_line_info() const noexcept;
 
private:
 
    info_event();
 
    struct impl;
 
    ::std::shared_ptr<impl> _m_priv;
 
    friend chip;
};
 
::std::ostream& operator<<(::std::ostream& out, const info_event& event);
 
} /* namespace gpiod */
 
#endif /* __LIBGPIOD_CXX_INFO_EVENT_HPP__ */