Class: PacketGen::Header::TCP::ECHO

Inherits:

Option

• Object
• Types::Fields
• Base
• Option
• PacketGen::Header::TCP::ECHO

Defined in:

lib/packetgen/header/tcp/option.rb

Overview

Echo TCP option

Constant Summary

Constants inherited from Option

Option::ECHOREPLY_KIND, Option::ECHO_KIND, Option::EOL_KIND, Option::MSS_KIND, Option::NOP_KIND, Option::SACKOK_KIND, Option::SACK_KIND, Option::TS_KIND, Option::WS_KIND

Instance Attribute Summary

Attributes inherited from Option

#kind, #length, #value

Attributes inherited from Base

#packet

Instance Method Summary

• #initialize(options = {}) ⇒ ECHO constructor

  A new instance of ECHO.

• #to_human ⇒ String

Methods inherited from Option

#has_length?, #inspect, #read, #to_s

Methods inherited from Base

bind_header, #header_id, inherited, #ip_header, known_headers, #parse?, #protocol_name

Methods inherited from Types::Fields

#[], #[]=, #body=, define_bit_fields_on, define_field, define_field_after, define_field_before, #fields, #force_binary, inherited, #inspect, #read, #sz, #to_h, #to_s

Constructor Details

#initialize(options = {}) ⇒ ECHO

Returns a new instance of ECHO.

See Also:

• Option#initialize

# File 'lib/packetgen/header/tcp/option.rb', line 194

def initialize(options={})
  super options.merge!(kind: ECHO_KIND, length: 6)
  self[:value] = Types::Int32.new(options[:value])
end

Instance Method Details

#to_human ⇒ String

Returns:

• (String)

# File 'lib/packetgen/header/tcp/option.rb', line 200

def to_human
  "WS:#{value}"
end