Class: PacketGen::Header::TCP::SACK

Inherits:

Option

• Object
• Struct
• Option
• PacketGen::Header::TCP::SACK

Defined in:

lib/packetgen/header/tcp/option.rb

Overview

Selective Acknowledgment 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

Instance Method Summary

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

  A new instance of SACK.

Methods inherited from Option

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

Methods included from StructFu

#body=, #clone, #set_endianness, #sz, #to_s, #typecast

Methods inherited from Struct

#force_binary

Constructor Details

#initialize(options = {}) ⇒ SACK

Returns a new instance of SACK.

See Also:

• Option#initialize

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

def initialize(options={})
  super options.merge!(kind: SACK_KIND)
  self[:length].read(2) if self[:value].to_s == ''
end