40 lines
1.0 KiB
C++
40 lines
1.0 KiB
C++
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#include <vanetza/geonet/cbf_packet_identifier.hpp>
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#include <vanetza/geonet/cbf_packet_buffer.hpp>
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namespace vanetza
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{
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namespace geonet
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{
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CbfPacketIdentifier identifier(const CbfPacket& packet)
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{
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return identifier(packet.source(), packet.sequence_number());
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}
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CbfPacketIdentifier identifier(const Address& source, SequenceNumber sn)
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{
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return std::make_tuple(source, sn);
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}
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} // namespace geonet
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} // namespace vanetza
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namespace std
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{
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size_t hash<vanetza::geonet::CbfPacketIdentifier>::operator()(const vanetza::geonet::CbfPacketIdentifier& id) const
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{
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using vanetza::geonet::Address;
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using vanetza::geonet::SequenceNumber;
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static_assert(tuple_size<vanetza::geonet::CbfPacketIdentifier>::value == 2, "Unexpected identifier tuple");
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std::size_t seed = 0;
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const Address& source = get<0>(id);
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boost::hash_combine(seed, std::hash<Address>()(source));
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const SequenceNumber& sn = get<1>(id);
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boost::hash_combine(seed, static_cast<SequenceNumber::value_type>(sn));
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return seed;
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}
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} // namespace std
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