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Versions: 6
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Contents
# 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 Header
class DNS
# Define a DNS Ressource Record Section
# @author Sylvain Daubert
class RRSection < Types::Array
# @api private
# @param [DNS] dns
# @param [Types::Int] counter
def initialize(dns, counter)
super(counter: counter)
@dns = dns
end
# Read RR section from a string
# @param [String] str binary string
# @return [RRSection] self
def read(str)
clear
return self if str.nil?
PacketGen.force_binary str
while !str.empty? && (self.size < @counter.to_i)
rr = RR.new(@dns).read(str)
rr = OPT.new(@dns).read(str) if rr.type?('OPT')
str.slice!(0, rr.sz)
push rr
end
self
end
private
def record_from_hash(hsh)
if hsh.key? :rtype
case hsh.delete(:rtype)
when 'Question'
Question.new(@dns, hsh)
when 'OPT'
OPT.new(@dns, hsh)
when 'RR'
RR.new(@dns, hsh)
else
raise TypeError, 'rtype should be a Question, OPT or RR'
end
else
hsh
end
end
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems