trema/pio

# frozen_string_literal: true

require 'bindata'

module Pio
  class Lldp
    # Time to live TLV
    class TtlTlv < BinData::Primitive
      endian :big

      bit7 :tlv_type, value: 3
      bit9 :tlv_info_length, value: 2
      string :ttl, read_length: :tlv_info_length

      def get
        BinData::Int16be.read(ttl)
      end

      def set(value)
        self.ttl = BinData::Int16be.new(value).to_binary_s
      end
    end
  end
end