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Contents
#Author: Piotr Wojcieszonek
#e-mail: piotr@wojcieszonek.pl
# Copyright 22.03.2016 by Piotr Wojcieszonek
require_relative 'option'
module Lib
module DHCP
class Option53 < Option
# DHCP MESSAGE TYPE - This option is used to convey the type of the DHCP message.
# The code for this option is 53, and its length is 1.
def_delegators :@payload, :to_s
def initialize(message_type)
raise ArgumentError, "Illegal value for DHCP Message Type = #{message_type}" unless (1..255).include? message_type.to_i
super MESSAGE_TYPE, message_type.to_i
end
def payload=(message_type)
raise ArgumentError, "Illegal value for DHCP Message Type = #{message_type}" unless (1..255).include? message_type.to_i
@payload = message_type.to_i
end
def pack
[@oid, 1, @payload].pack('C3')
end
def len
1
end
def to_s
Lib::DHCP::Message::NAME[@payload.to_i].to_s.upcase
end
alias_method :message_type, :payload
alias_method :message_type=, :payload=
private
def self.unpack(oid, len, payload)
raise ArgumentError, "OID Mismatch for #{NAME[oid]} - #{oid}" unless oid.to_i == MESSAGE_TYPE
raise ArgumentError, "Wrong #{NAME[oid]} length - #{len}" unless len == 1
self.new payload.unpack('C').first.to_i
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems