64 lines
1.4 KiB
C++
64 lines
1.4 KiB
C++
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#ifndef LIFETIME_HPP_XYTSNW3J
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#define LIFETIME_HPP_XYTSNW3J
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#include <vanetza/common/bit_number.hpp>
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#include <vanetza/geonet/serialization.hpp>
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#include <vanetza/units/time.hpp>
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#include <boost/operators.hpp>
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#include <cstdint>
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namespace vanetza
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{
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namespace geonet
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{
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class Lifetime : public boost::totally_ordered<Lifetime>
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{
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public:
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static constexpr uint8_t multiplier_mask = 0xFC;
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static constexpr uint8_t base_mask = 0x03;
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enum class Base {
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Fifty_Milliseconds = 0,
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One_Second = 1,
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Ten_Seconds = 2,
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Hundred_Seconds = 3
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};
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static const Lifetime zero();
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Lifetime();
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Lifetime(Base base, BitNumber<uint8_t, 6> multiplier);
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void set(Base base, BitNumber<uint8_t, 6> multiplier);
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uint8_t raw() const { return m_lifetime; }
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void raw(uint8_t raw) { m_lifetime = raw; }
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bool operator<(const Lifetime&) const;
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bool operator==(const Lifetime&) const;
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/**
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* Decodes stored lifetime
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* \return lifetime as duration quantity
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*/
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units::Duration decode() const;
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/**
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* Encode duration in lifetime object
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* \note Precision loss might occur
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* \param duration Lifetime duration
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*/
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void encode(units::Duration);
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private:
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uint8_t m_lifetime;
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};
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void serialize(const Lifetime&, OutputArchive&);
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void deserialize(Lifetime&, InputArchive&);
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} // namespace geonet
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} // namespace vanetza
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#endif /* LIFETIME_HPP_XYTSNW3J */
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