mac_address.hpp

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#pragma once

 
#include <array>
#include <cstdint>
#include <optional>
#include <string>
#include <string_view>
 
namespace pulp::runtime {

class MacAddress {
public:
    constexpr MacAddress() = default;

    constexpr MacAddress(uint8_t a, uint8_t b, uint8_t c,
                         uint8_t d, uint8_t e, uint8_t f)
        : octets_{a, b, c, d, e, f} {}

    static std::optional<MacAddress> parse(std::string_view text);

    static bool is_valid(std::string_view text) {
        return parse(text).has_value();
    }

    std::string to_string() const;

    std::string to_string_hyphens() const;

    const std::array<uint8_t, 6>& octets() const { return octets_; }

    bool is_null() const;

    bool is_multicast() const { return (octets_[0] & 0x01) != 0; }

    bool is_locally_administered() const { return (octets_[0] & 0x02) != 0; }

    bool is_broadcast() const;

    uint32_t oui() const {
        return (uint32_t(octets_[0]) << 16) |
               (uint32_t(octets_[1]) << 8) |
                uint32_t(octets_[2]);
    }
 
    bool operator==(const MacAddress& other) const {
        return octets_ == other.octets_;
    }
    bool operator!=(const MacAddress& other) const {
        return !(*this == other);
    }
 
private:
    std::array<uint8_t, 6> octets_{};
};
 
}  // namespace pulp::runtime