gnss-sim/3rdparty/boost/mysql/impl/internal/protocol/frame_header.hpp

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//
// Copyright (c) 2019-2024 Ruben Perez Hidalgo (rubenperez038 at gmail dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef BOOST_MYSQL_IMPL_INTERNAL_PROTOCOL_FRAME_HEADER_HPP
#define BOOST_MYSQL_IMPL_INTERNAL_PROTOCOL_FRAME_HEADER_HPP
#include <boost/assert.hpp>
#include <boost/config.hpp>
#include <boost/core/span.hpp>
#include <boost/endian/conversion.hpp>
#include <cstddef>
namespace boost {
namespace mysql {
namespace detail {
BOOST_INLINE_CONSTEXPR std::size_t max_packet_size = 0xffffff;
BOOST_INLINE_CONSTEXPR std::size_t frame_header_size = 4;
struct frame_header
{
std::uint32_t size;
std::uint8_t sequence_number;
};
inline void serialize_frame_header(span<std::uint8_t, frame_header_size> to, frame_header header)
{
BOOST_ASSERT(header.size <= 0xffffff);
endian::store_little_u24(to.data(), header.size);
to[3] = header.sequence_number;
}
inline frame_header deserialize_frame_header(span<const std::uint8_t, frame_header_size> buffer)
{
return {endian::load_little_u24(buffer.data()), buffer[3]};
}
} // namespace detail
} // namespace mysql
} // namespace boost
#endif