Class: PacketGen::Header::OSPFv3::LSARouter

Inherits:
LSAHeader show all
Defined in:
lib/packetgen/header/ospfv3/lsa.rb

Overview

This class handles OSPFv3 LSA Router payloads.

A LSA router payload is composed of:

Author:

  • Sylvain Daubert

Since:

  • 2.5.0

Constant Summary

Constants inherited from LSAHeader

PacketGen::Header::OSPFv3::LSAHeader::TYPES

Instance Attribute Summary collapse

Attributes inherited from LSAHeader

#advertising_router, #age, #checksum, #length, #link_state_id, #sequence_number, #type

Method Summary

Methods inherited from LSAHeader

#calc_checksum, #calc_length, #human_type, #to_human, #to_lsa_header

Methods included from Types::Fieldable

#format_inspect, #read, #sz, #to_human, #to_s, #type_name

Methods inherited from Types::Fields

#[], #[]=, #bits_on, define_bit_fields_on, define_field, define_field_after, define_field_before, #fields, fields, inherited, #initialize, #inspect, #offset_of, #optional?, #optional_fields, #present?, #read, remove_bit_fields_on, remove_field, #sz, #to_h, #to_s, update_field

Constructor Details

This class inherits a constructor from PacketGen::Types::Fields

Instance Attribute Details

#b_flag ⇒ Boolean

Returns:

  • (Boolean) 


87
88
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 87

define_bit_fields_on :flags, :zz, 3, :nt_flag, :x_flag, :v_flag, :e_flag,
:b_flag

#dc_opt ⇒ Boolean

This bit describes the router’s handling of demand circuits.

Returns:

  • (Boolean) 


74
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 74

OSPFv3.define_options(self)

#e_flag ⇒ Boolean

Returns:

  • (Boolean) 


87
88
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 87

define_bit_fields_on :flags, :zz, 3, :nt_flag, :x_flag, :v_flag, :e_flag,
:b_flag

#e_opt ⇒ Boolean

This bit describes the way AS-external-LSAs are flooded.

Returns:

  • (Boolean) 


74
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 74

OSPFv3.define_options(self)

#flags ⇒ Integer

8-bit flag word

Returns:

  • (Integer) 


72
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 72

define_field :flags, Types::Int8

#links ⇒ ArrayOfLink

Returns:



77
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 77

define_field :links, ArrayOfLink, builder: ->(h, t) { t.new(length_from: -> { h.length - h.offset_of(:links) }) }

#n_opt ⇒ Boolean

This bit indicates whether or not the router is attached to an NSSA.

Returns:

  • (Boolean) 


74
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 74

OSPFv3.define_options(self)

#nt_flag ⇒ Boolean

Returns:

  • (Boolean) 


87
88
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 87

define_bit_fields_on :flags, :zz, 3, :nt_flag, :x_flag, :v_flag, :e_flag,
:b_flag

#options ⇒ Integer

24-bit options field. Handle #v6_opt, #e_opt, #x_opt, #n_opt, #r_opt and #dc_opt.

Returns:

  • (Integer) 


74
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 74

OSPFv3.define_options(self)

#r_opt ⇒ Boolean

This bit indicates whether the originator is an active router.

Returns:

  • (Boolean) 


74
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 74

OSPFv3.define_options(self)

#v6_opt ⇒ Boolean

If this bit is clear, the router/link should be excluded from IPv6 routing calculations.

Returns:

  • (Boolean) 


74
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 74

OSPFv3.define_options(self)

#v_flag ⇒ Boolean

Returns:

  • (Boolean) 


87
88
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 87

define_bit_fields_on :flags, :zz, 3, :nt_flag, :x_flag, :v_flag, :e_flag,
:b_flag

#x_opt ⇒ Boolean

This bit should be set to 0, and ignored when received.

Returns:

  • (Boolean) 


74
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 74

OSPFv3.define_options(self)