Sha256: c29cf6749a2e45e9ba768d842b9d456446411adbe6bc379f3083044312022001
Contents?: true
Size: 859 Bytes
Versions: 24
Compression:
Stored size: 859 Bytes
Contents
require 'pio/dhcp/dhcp_field'
require 'pio/dhcp/field_util'
require 'pio/ipv4_header'
require 'pio/ethernet_header'
require 'pio/udp_header'
module Pio
class Dhcp
# Dhcp frame parser.
class Frame < BinData::Record
include FieldUtil
OPTION_FIELD_LENGTH = 60
include EthernetHeader
include IPv4Header
include UdpHeader
endian :big
ethernet_header ether_type: EtherType::IPV4
ipv4_header ip_protocol: ProtocolNumber::UDP
udp_header
dhcp_field :dhcp
string :padding, read_length: 0, initial_value: :ff_and_padding
def to_binary
to_binary_s
end
private
def ff_and_padding
padding_length = OPTION_FIELD_LENGTH - dhcp.optional_tlvs.num_bytes - 1
"\xFF" + (padding_length > 0 ? "\x00" * padding_length : '')
end
end
end
end
Version data entries
24 entries across 24 versions & 1 rubygems