span_id.hpp

/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * Copyright (C) 2025 Marco Craveiro <marco.craveiro@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation; either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
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 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#ifndef ORES_TELEMETRY_DOMAIN_SPAN_ID_HPP
#define ORES_TELEMETRY_DOMAIN_SPAN_ID_HPP
 
#include <array>
#include <cstddef>
#include <cstdint>
#include <string>
 
namespace ores::telemetry::domain {
 
struct span_id final {
    std::array<std::byte, 8> bytes{};
 
    bool is_valid() const;
 
    std::string to_hex() const;
 
    static span_id from_hex(std::string_view hex);
 
    auto operator<=>(const span_id&) const = default;
};
 
std::ostream& operator<<(std::ostream& os, const span_id& id);
 
}
 
#endif