Sha256: 7d32f0c50d5d920f7d617dfb81ad18e93100f9f6226506c68619fd9c7c5fac15
Contents?: true
Size: 1.74 KB
Versions: 38
Compression:
Stored size: 1.74 KB
Contents
require 'pio/dhcp/parameter_list'
require 'pio/dhcp/client_id'
require 'pio/type/ip_address'
module Pio
# Dhcp parser and generator.
class Dhcp
# DHCP Optional TLV
class OptionalTlv < BinData::Record
DEFAULT = 'default'
endian :big
bit8 :tlv_type
bit8 :tlv_info_length,
onlyif: -> { !(end_of_dhcpdu?) }
choice :tlv_value,
onlyif: -> { !(end_of_dhcpdu?) },
selection: :chooser do
uint8 Dhcp::MESSAGE_TYPE_TLV
ip_address Dhcp::SERVER_IDENTIFIER_TLV
uint32be Dhcp::RENEWAL_TIME_VALUE_TLV
uint32be Dhcp::REBINDING_TIME_VALUE_TLV
uint32be Dhcp::IP_ADDRESS_LEASE_TIME_TLV
ip_address Dhcp::SUBNET_MASK_TLV
ip_address Dhcp::REQUESTED_IP_ADDRESS_TLV
client_id Dhcp::CLIENT_IDENTIFIER_TLV
parameter_list Dhcp::PARAMETERS_LIST_TLV
string DEFAULT
end
def end_of_dhcptlv?
tlv_type == Dhcp::END_OF_TLV
end
def chooser
if valid_optional_tlv?
tlv_type
else
DEFAULT
end
end
def end_of_dhcpdu?
tlv_type == Dhcp::END_OF_TLV
end
private
def valid_optional_tlv?
optional_tlv? || end_of_dhcptlv?
end
# rubocop:disable MethodLength
def optional_tlv?
[
Dhcp::MESSAGE_TYPE_TLV,
Dhcp::SERVER_IDENTIFIER_TLV,
Dhcp::CLIENT_IDENTIFIER_TLV,
Dhcp::RENEWAL_TIME_VALUE_TLV,
Dhcp::REBINDING_TIME_VALUE_TLV,
Dhcp::REQUESTED_IP_ADDRESS_TLV,
Dhcp::PARAMETERS_LIST_TLV,
Dhcp::IP_ADDRESS_LEASE_TIME_TLV,
Dhcp::SUBNET_MASK_TLV
].include?(tlv_type)
end
# rubocop:enable MethodLength
end
end
end
Version data entries
38 entries across 38 versions & 1 rubygems