class PacketGen::Header::OSPFv3::LSAck

This class handles {OSPFv3 OSPFv3} Link State Acknownledgment packets payload. The LSAck payload has the following format:

 0                   1                   2                   3
 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|                                                               |
+-                                                            +-+
|                             LSAs                              |
+-                                                            +-+
|                              ...                              |

This paylod is implemented with only one field:

Create a LSAck payload

# standalone
lsack = PacketGen::Header::OSPFv3::LSAck.new
# in a packet
pkt = PacketGen.gen('IPv6', src: source_ip).add('OSPFv3').add('OSPFv3::LSAck')
# access to LSAck payload
lasck = pkt.ospfv3_lsack    # => PacketGen::Header::OSPFv3::LSAck

Adding LSA headers to a LSAck payload

lsack.lsas << { type: 'Router', age: 40, link_state_id: '0.0.0.1', advertising_router: '1.1.1.1', sequence_number: 42, checksum: 0x1234, length: 56 }
# a header may also be set from an existing lsa
lasck.lsas << existing_lsa.to_lsa_header

@author Sylvain Daubert