83 lines
2.3 KiB
C++
83 lines
2.3 KiB
C++
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#ifndef PACKET_VARIANT_HPP_LILZ0UWN
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#define PACKET_VARIANT_HPP_LILZ0UWN
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#include <vanetza/common/byte_view.hpp>
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#include <vanetza/common/serialization.hpp>
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#include <vanetza/net/chunk_packet.hpp>
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#include <vanetza/net/cohesive_packet.hpp>
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#include <boost/variant.hpp>
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namespace vanetza
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{
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using PacketVariant = boost::variant<ChunkPacket, CohesivePacket>;
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inline std::size_t
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size(const CohesivePacket& packet, OsiLayer from, OsiLayer to)
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{
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return packet.size(from, to);
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}
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inline std::size_t
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size(const CohesivePacket& packet, OsiLayer layer)
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{
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return packet.size(layer);
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}
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inline std::size_t
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size(const ChunkPacket& packet, OsiLayer from, OsiLayer to)
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{
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return packet.size(from, to);
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}
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inline std::size_t
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size(const ChunkPacket& packet, OsiLayer layer)
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{
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return packet[layer].size();
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}
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/**
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* Create a view of a packet's bytes assigned to a certain layer
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* \param packet
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* \param layer
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* \return a byte view, possibly empty
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*/
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byte_view_range create_byte_view(const ChunkPacket&, OsiLayer);
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byte_view_range create_byte_view(const CohesivePacket&, OsiLayer);
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/**
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* Create a byte view for a sub-range of layers
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* \param packet
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* \param from first byte will be from this layer
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* \param to last byte will be from this layer
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* \return a byte view
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*/
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byte_view_range create_byte_view(const ChunkPacket& packet, OsiLayer from, OsiLayer to);
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byte_view_range create_byte_view(const CohesivePacket& packet, OsiLayer from, OsiLayer to);
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/**
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* Serialize a whole packet from physical to application layer
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* \param archive destination archive
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* \param packet source packet
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*/
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void serialize(OutputArchive&, const ChunkPacket&);
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void serialize(OutputArchive&, const CohesivePacket&);
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} // namespace vanetza
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namespace boost
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{
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// PacketVariant is only a type alias, so we need this quirk for proper name lookup
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std::size_t size(const vanetza::PacketVariant&, vanetza::OsiLayer from, vanetza::OsiLayer to);
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std::size_t size(const vanetza::PacketVariant&, vanetza::OsiLayer);
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std::size_t size(const vanetza::PacketVariant&);
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vanetza::byte_view_range create_byte_view(const vanetza::PacketVariant&, vanetza::OsiLayer);
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vanetza::byte_view_range create_byte_view(const vanetza::PacketVariant&, vanetza::OsiLayer from, vanetza::OsiLayer to);
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void serialize(vanetza::OutputArchive&, const vanetza::PacketVariant&);
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} // namespace boost
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#endif /* PACKET_VARIANT_HPP_LILZ0UWN */
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