Sha256: 6cbd42eb7a36a6b334a9557038bcc90110b6e5689b951a31ef8278aecd3956ce
Contents?: true
Size: 1.37 KB
Versions: 8
Compression:
Stored size: 1.37 KB
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 IP
# Class to handle IP options
# @author Sylvain Daubert
class Options < Types::Array
set_of Option
HUMAN_SEPARATOR = ';'
# Read IP header options from a string
# @param [String] str binary string
# @return [self]
def read(str)
clear
return self if str.nil?
PacketGen.force_binary str
i = 0
types = Option.types
while i < str.to_s.length
type = str[i, 1].unpack('C').first
this_option = if types[type].nil?
Option.new
else
types[type].new
end
this_option.read str[i, str.size]
self << this_option
i += this_option.sz
end
self
end
# Get binary string
# @return [String]
def to_s
str = super
if str.length % 4 != 0
str += ([0] * (4 - (str.length % 4))).pack('C*')
end
str
end
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems