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Contents
require 'pio/lldp/port_description_value'
require 'pio/lldp/system_name_value'
require 'pio/lldp/system_description_value'
require 'pio/lldp/system_capabilities_value'
require 'pio/lldp/management_address_value'
require 'pio/lldp/organizationally_specific_value'
require 'pio/lldp/end_of_lldpdu_value'
module Pio
class Lldp
# Optional TLV and End Of LLDPDU
class OptionalTlv < BinData::Record
endian :big
bit7 :tlv_type
bit9 :tlv_info_length
choice :tlv_value,
read_length: :tlv_info_length,
onlyif: -> { !end_of_lldpdu? },
selection: :chooser do
end_of_lldpdu_value 0
port_description_value 4
system_name_value 5
system_description_value 6
system_capabilities_value 7
management_address_value 8
organizationally_specific_value 127
string 'unknown'
end
def end_of_lldpdu?
tlv_type == 0
end
def chooser
if valid_optional_tlv?
tlv_type
else
'unknown'
end
end
private
def valid_optional_tlv?
optional_tlv? || end_of_lldpdu_tlv?
end
def optional_tlv?
tmp_tlv_type = tlv_type
4 <= tmp_tlv_type && tmp_tlv_type <= 127
end
def end_of_lldpdu_tlv?
tlv_type == 0
end
end
end
end
Version data entries
38 entries across 38 versions & 1 rubygems