Class: PacketGen::Header::OSPFv2::LSARouter

Inherits:

LSAHeader

• Object
• Types::Fields
• LSAHeader
• PacketGen::Header::OSPFv2::LSARouter

Defined in:

lib/packetgen/header/ospfv2/lsa.rb

Overview

This class handles LSA Router payloads.

A LSA router payload is composed of:

• a header (see methods inherited from LSAHeader),

• a 16-bit flag word #u16 (Types::Int16),

• a 16-bit #link_count field (Types::Int16),

• an array of #links (ArrayOfLink).

Author:

• Sylvain Daubert

Since:

• 2.5.0

Constant Summary

Constants inherited from LSAHeader

PacketGen::Header::OSPFv2::LSAHeader::TYPES

Instance Attribute Summary

• #b_flag ⇒ Boolean
• #e_flag ⇒ Boolean
• #link_count ⇒ Integer

  Number of links.

• #links ⇒ ArrayOfLink
• #u16 ⇒ Integer

  16-bit flag word.

• #v_flag ⇒ Boolean

Attributes inherited from LSAHeader

#advertising_router, #age, #checksum, #dc_opt, #dn_opt, #e_opt, #l_opt, #length, #link_state_id, #mc_opt, #mt_opt, #n_opt, #o_opt, #options, #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)

# File 'lib/packetgen/header/ospfv2/lsa.rb', line 119

define_bit_fields_on :u16, :z, 5, :v_flag, :e_flag, :b_flag, :zz, 8

#e_flag ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/packetgen/header/ospfv2/lsa.rb', line 119

define_bit_fields_on :u16, :z, 5, :v_flag, :e_flag, :b_flag, :zz, 8

#link_count ⇒ Integer

Number of links

Returns:

• (Integer)

# File 'lib/packetgen/header/ospfv2/lsa.rb', line 108

define_field :link_count, Types::Int16

#links ⇒ ArrayOfLink

Returns:

• (ArrayOfLink)

# File 'lib/packetgen/header/ospfv2/lsa.rb', line 111

define_field :links, ArrayOfLink, builder: ->(h, t) { t.new(counter: h[:link_count]) }

#u16 ⇒ Integer

16-bit flag word

Returns:

• (Integer)

# File 'lib/packetgen/header/ospfv2/lsa.rb', line 104

define_field :u16, Types::Int16

#v_flag ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/packetgen/header/ospfv2/lsa.rb', line 119

define_bit_fields_on :u16, :z, 5, :v_flag, :e_flag, :b_flag, :zz, 8