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Contents
require 'pio/icmp/message'
require 'pio/icmp/options'
require 'pio/mac'
module Pio
class Icmp
# ICMP Request packet generator
class Request < Message
TYPE = 8
public_class_method :new
# User options for creating an ICMP Request.
class Options < Pio::Icmp::Options
DEFAULT_IDENTIFIER = 0x0100
DEFAULT_SEQUENCE_NUMBER = 0
mandatory_option :source_mac
mandatory_option :destination_mac
mandatory_option :ip_source_address
mandatory_option :ip_destination_address
option :identifier
option :sequence_number
option :echo_data
def initialize(user_options)
@type = TYPE
@options = user_options.dup
validate @options
set_mac_and_ip_address_options
set_identifier_option
set_sequence_number_option
set_echo_data_option
end
private
def set_mac_and_ip_address_options
@source_mac = Mac.new(@options[:source_mac]).freeze
@destination_mac = Mac.new(@options[:destination_mac]).freeze
@ip_source_address =
IPv4Address.new(@options[:ip_source_address]).freeze
@ip_destination_address =
IPv4Address.new(@options[:ip_destination_address]).freeze
end
def set_identifier_option
@identifier =
@options[:icmp_identifier] ||
@options[:identifier] ||
DEFAULT_IDENTIFIER
end
def set_sequence_number_option
@sequence_number =
@options[:icmp_sequence_number] ||
@options[:sequence_number] ||
DEFAULT_SEQUENCE_NUMBER
end
def set_echo_data_option
@echo_data = (@options[:echo_data] || DEFAULT_ECHO_DATA).freeze
end
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems