Sha256: b07e1805ba413ddcd7f777f7cf07fcf13b59228eb1fde66788756aedd7962da1
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Size: 1.36 KB
Versions: 7
Compression:
Stored size: 1.36 KB
Contents
# coding: utf-8
# This file is part of PacketGen
# See https://github.com/sdaubert/packetgen for more informations
# Copyright (C) 2016 Sylvain Daubert <sylvain.daubert@laposte.net>
# This program is published under MIT license.
# frozen_string_literal: true
module PacketGen
module Types
# OUI type, defined as a set of 3 bytes
# oui = OUI.new
# oui.from_human('00:01:02')
# oui.to_human # => "00:01:02"
# @author Sylvain Daubert
class OUI < Types::Fields
# @attribute b2
# @return [Integer] left-most byte
define_field :b2, Types::Int8
# @attribute b1
# @return [Integer] center byte
define_field :b1, Types::Int8
# @attribute b0
# @return [Integer] right-most byte
define_field :b0, Types::Int8
# Read a human-readable string to populate object
# @param [String] str
# @return [OUI] self
def from_human(str)
return self if str.nil?
bytes = str.split(/:/)
raise ArgumentError, 'not a OUI' unless bytes.size == 3
self[:b2].read(bytes[0].to_i(16))
self[:b1].read(bytes[1].to_i(16))
self[:b0].read(bytes[2].to_i(16))
self
end
# Get OUI in human readable form (colon-separated bytes)
# @return [String]
def to_human
fields.map { |m| '%02x' % self[m] }.join(':')
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems