mal-packet-weaver
C++20 packet serialization/deserialization library.
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packet-macro.hpp
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#pragma once
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#include <boost/preprocessor.hpp>
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#include <boost/preprocessor/seq.hpp>
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#include <boost/preprocessor/seq/for_each.hpp>
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#define MAL_PACKET_WEAVER_DECLARE_PACKET(PacketName, Subsystem, ID, TTL) \
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class PacketName final : public mal_packet_weaver::DerivedPacket<PacketName> \
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{ \
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public: \
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static constexpr char const *const static_packet_name = #PacketName; \
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const char* packet_name() const final { return static_packet_name; } \
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static constexpr mal_packet_weaver::UniquePacketID static_unique_id = \
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mal_packet_weaver::CreatePacketID(Subsystem, ID); \
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static constexpr float time_to_live = TTL; \
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static mal_packet_weaver::PacketTypeRegistrationHelper<PacketName> registration; \
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}; \
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inline mal_packet_weaver::PacketTypeRegistrationHelper<PacketName> PacketName::registration;
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#define MAL_PACKET_WEAVER_DECLARE_PAYLOAD_MEMBER(r, _, elem) BOOST_PP_TUPLE_ELEM(0, elem) BOOST_PP_TUPLE_ELEM(1, elem);
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#define MAL_PACKET_WEAVER_DECLARE_PAYLOAD_MEMBERS(seq) \
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BOOST_PP_SEQ_FOR_EACH(MAL_PACKET_WEAVER_DECLARE_PAYLOAD_MEMBER, _, seq)
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#define MAL_PACKET_WEAVER_DECLARE_BASE_CLASS_INHERITANCE(r, _, elem) \
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public \
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elem,
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#define MAL_PACKET_WEAVER_DECLARE_BASE_CLASSES_INHERITANCE(seq) \
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BOOST_PP_SEQ_FOR_EACH(MAL_PACKET_WEAVER_DECLARE_BASE_CLASS_INHERITANCE, _, seq)
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#define MAL_PACKET_WEAVER_DECLARE_BASE_CLASS_SERIALIZATION(r, _, elem) \
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ar(CEREAL_NVP(cereal::base_class<elem>(this)));
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#define MAL_PACKET_WEAVER_DECLARE_BASE_CLASSES_SERIALIZATION(seq) \
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BOOST_PP_SEQ_FOR_EACH(MAL_PACKET_WEAVER_DECLARE_BASE_CLASS_SERIALIZATION, _, seq)
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#define MAL_PACKET_WEAVER_SERIALIZE_MEMBER(r, ar, elem) ar(CEREAL_NVP(BOOST_PP_TUPLE_ELEM(1, elem)));
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#define MAL_PACKET_WEAVER_SERIALIZE_MEMBERS(ar, seq) BOOST_PP_SEQ_FOR_EACH(MAL_PACKET_WEAVER_SERIALIZE_MEMBER, ar, seq)
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#define MAL_PACKET_WEAVER_VA_ARGS_COUNT(...) \
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MAL_PACKET_WEAVER_VA_ARGS_COUNT_IMPL(__VA_ARGS__, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, 48, 47, \
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46, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, 29, 28, \
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27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, \
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7, 6, 5, 4, 3, 2, 1, 0, 0, 0, 0, 0, 0)
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#define MAL_PACKET_WEAVER_VA_ARGS_COUNT_IMPL( \
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_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, \
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_25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, \
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_48, _49, _50, _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, _61, _62, _63, N, ...) \
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N
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#define MAL_PACKET_WEAVER_NON_EMPTY_SIZE(...) MAL_PACKET_WEAVER_VA_ARGS_COUNT(__VA_ARGS__)
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#define MAL_PACKET_WEAVER_DECLARE_PACKET_WITH_BODY_WITH_PAYLOAD(PacketName, Subsystem, ID, TTL, PACKET_BODY, ...) \
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class PacketName final : public mal_packet_weaver::DerivedPacket<PacketName> \
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{ \
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public: \
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static constexpr char const *const static_packet_name = #PacketName; \
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const char* packet_name() const final { return static_packet_name; } \
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static constexpr mal_packet_weaver::UniquePacketID static_unique_id = \
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mal_packet_weaver::CreatePacketID(Subsystem, ID); \
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static constexpr float time_to_live = TTL; \
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\
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MAL_PACKET_WEAVER_DECLARE_PAYLOAD_MEMBERS(BOOST_PP_VARIADIC_TO_SEQ(__VA_ARGS__)) \
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\
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PACKET_BODY \
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private: \
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friend class cereal::access; \
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template <class Archive> \
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void serialize(Archive &ar) \
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{ \
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MAL_PACKET_WEAVER_SERIALIZE_MEMBERS(ar, BOOST_PP_VARIADIC_TO_SEQ(__VA_ARGS__)) \
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} \
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static mal_packet_weaver::PacketTypeRegistrationHelper<PacketName> registration; \
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}; \
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inline mal_packet_weaver::PacketTypeRegistrationHelper<PacketName> PacketName::registration;
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#define MAL_PACKET_WEAVER_DECLARE_PACKET_WITH_BODY_WITHOUT_PAYLOAD(PacketName, Subsystem, ID, TTL, PACKET_BODY) \
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class PacketName final : public mal_packet_weaver::DerivedPacket<PacketName> \
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{ \
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public: \
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static constexpr char const *const static_packet_name = #PacketName; \
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const char* packet_name() const final { return static_packet_name; } \
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static constexpr mal_packet_weaver::UniquePacketID static_unique_id = \
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mal_packet_weaver::CreatePacketID(Subsystem, ID); \
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static constexpr float time_to_live = TTL; \
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\
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PACKET_BODY \
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private: \
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static mal_packet_weaver::PacketTypeRegistrationHelper<PacketName> registration; \
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}; \
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inline mal_packet_weaver::PacketTypeRegistrationHelper<PacketName> PacketName::registration;
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#define MAL_PACKET_WEAVER_DECLARE_PACKET_WITH_PAYLOAD(PacketName, Subsystem, ID, TTL, ...) \
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MAL_PACKET_WEAVER_DECLARE_PACKET_WITH_BODY_WITH_PAYLOAD(PacketName, Subsystem, ID, TTL,
/* nothing */
, __VA_ARGS__)
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#define MAL_PACKET_WEAVER_DECLARE_PACKET_WITHOUT_PAYLOAD(PacketName, Subsystem, ID, TTL) \
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MAL_PACKET_WEAVER_DECLARE_PACKET_WITH_BODY_WITHOUT_PAYLOAD(PacketName, Subsystem, ID, TTL,
/* nothing */
)
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#define MAL_PACKET_WEAVER_DECLARE_DERIVED_PACKET_WITH_BODY_WITHOUT_PAYLOAD(PacketName, BasePackets, Subsystem, ID, \
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TTL, PACKET_BODY) \
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class PacketName final : MAL_PACKET_WEAVER_DECLARE_BASE_CLASSES_INHERITANCE(BOOST_PP_TUPLE_TO_SEQ( \
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BasePackets)) public mal_packet_weaver::DerivedPacket<PacketName> \
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{ \
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public: \
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static constexpr char const *const static_packet_name = #PacketName; \
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const char* packet_name() const final { return static_packet_name; } \
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static constexpr mal_packet_weaver::UniquePacketID static_unique_id = \
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mal_packet_weaver::CreatePacketID(Subsystem, ID); \
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static constexpr float time_to_live = TTL; \
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PACKET_BODY \
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private: \
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friend class cereal::access; \
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template <class Archive> \
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void serialize(Archive &ar) \
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{ \
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MAL_PACKET_WEAVER_DECLARE_BASE_CLASSES_SERIALIZATION(BOOST_PP_TUPLE_TO_SEQ(BasePackets)) \
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} \
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static mal_packet_weaver::PacketTypeRegistrationHelper<PacketName> registration; \
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}; \
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inline mal_packet_weaver::PacketTypeRegistrationHelper<PacketName> PacketName::registration;
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#define MAL_PACKET_WEAVER_DECLARE_DERIVED_PACKET_WITH_BODY_WITH_PAYLOAD(PacketName, BasePackets, Subsystem, ID, TTL, \
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PACKET_BODY, ...) \
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class PacketName final : MAL_PACKET_WEAVER_DECLARE_BASE_CLASSES_INHERITANCE(BOOST_PP_TUPLE_TO_SEQ( \
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BasePackets)) public mal_packet_weaver::DerivedPacket<PacketName> \
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{ \
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public: \
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static constexpr char const *const static_packet_name = #PacketName; \
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const char* packet_name() const final { return static_packet_name; } \
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static constexpr mal_packet_weaver::UniquePacketID static_unique_id = \
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mal_packet_weaver::CreatePacketID(Subsystem, ID); \
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static constexpr float time_to_live = TTL; \
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MAL_PACKET_WEAVER_DECLARE_PAYLOAD_MEMBERS(BOOST_PP_VARIADIC_TO_SEQ(__VA_ARGS__)) \
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PACKET_BODY \
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private: \
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friend class cereal::access; \
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template <class Archive> \
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void serialize(Archive &ar) \
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{ \
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MAL_PACKET_WEAVER_DECLARE_BASE_CLASSES_SERIALIZATION(BOOST_PP_TUPLE_TO_SEQ(BasePackets)) \
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MAL_PACKET_WEAVER_SERIALIZE_MEMBERS(ar, BOOST_PP_VARIADIC_TO_SEQ(__VA_ARGS__)) \
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} \
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static mal_packet_weaver::PacketTypeRegistrationHelper<PacketName> registration; \
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}; \
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inline mal_packet_weaver::PacketTypeRegistrationHelper<PacketName> PacketName::registration;
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#define MAL_PACKET_WEAVER_DECLARE_DERIVED_PACKET_WITH_PAYLOAD(PacketName, BasePackets, Subsystem, ID, TTL, ...) \
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MAL_PACKET_WEAVER_DECLARE_DERIVED_PACKET_WITH_BODY_WITH_PAYLOAD(PacketName, BasePackets, Subsystem, ID, TTL, \
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/* nothing */
, __VA_ARGS__)
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#define MAL_PACKET_WEAVER_DECLARE_DERIVED_PACKET_WITHOUT_PAYLOAD(PacketName, BasePackets, Subsystem, ID, TTL) \
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MAL_PACKET_WEAVER_DECLARE_DERIVED_PACKET_WITH_BODY_WITHOUT_PAYLOAD(PacketName, BasePackets, Subsystem, ID, TTL, \
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/* nothing */
)
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#define MAL_PACKET_WEAVER_DECLARE_EMPTY_REQUEST_AND_RESPONSE_WITH_PAYLOAD(PacketName, Subsystem, ID1, ID2, TTL1, TTL2, \
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...) \
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MAL_PACKET_WEAVER_DECLARE_PACKET(PacketName##Request, Subsystem, ID1, TTL1) \
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MAL_PACKET_WEAVER_DECLARE_PACKET_WITH_PAYLOAD(PacketName##Response, Subsystem, ID2, TTL2, __VA_ARGS__)
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#define MAL_PACKET_WEAVER_DECLARE_EMPTY_REQUEST_AND_RESPONSE_WITHOUT_PAYLOAD(PacketName, Subsystem, ID1, ID2, TTL1, \
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TTL2, ...) \
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MAL_PACKET_WEAVER_DECLARE_PACKET(PacketName##Request, Subsystem, ID1, TTL1) \
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MAL_PACKET_WEAVER_DECLARE_PACKET_WITHOUT_PAYLOAD(PacketName##Response, Subsystem, ID2, TTL2)
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#define MAL_PACKET_WEAVER_DECLARE_EMPTY_REQUEST_AND_DERIVED_RESPONSE_WITH_PAYLOAD(PacketName, BasePackets, Subsystem, \
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ID1, ID2, TTL1, TTL2, ...) \
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MAL_PACKET_WEAVER_DECLARE_PACKET(PacketName##Request, Subsystem, ID1, TTL1) \
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MAL_PACKET_WEAVER_DECLARE_DERIVED_PACKET_WITH_PAYLOAD(PacketName##Response, BasePackets, Subsystem, ID2, TTL2, \
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__VA_ARGS__)
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#define MAL_PACKET_WEAVER_DECLARE_EMPTY_REQUEST_AND_DERIVED_RESPONSE_WITHOUT_PAYLOAD( \
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PacketName, BasePackets, Subsystem, ID1, ID2, TTL1, TTL2, ...) \
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MAL_PACKET_WEAVER_DECLARE_PACKET(PacketName##Request, Subsystem, ID1, TTL1) \
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MAL_PACKET_WEAVER_DECLARE_DERIVED_PACKET_WITHOUT_PAYLOAD(PacketName##Response, BasePackets, Subsystem, ID2, TTL2)
mal-packet-weaver
mal-packet-weaver
packet-impl
packet-macro.hpp
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