93 lines
2.0 KiB
Ruby
93 lines
2.0 KiB
Ruby
##
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#
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# Net::DNS::RR::AAAA
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#
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# $id$
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#
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##
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require 'ipaddr'
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module Net
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module DNS
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class RR
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#
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# RR type AAAA
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#
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class AAAA < RR
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attr_reader :address
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# Assign to the RR::AAAA object a new IPv6 address, which can be in the
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# form of a string or an IPAddr object
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#
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# a.address = "::1"
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# a.address = IPAddr.new("::1")
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#
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def address=(addr)
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@address = check_address addr
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build_pack
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end # address=
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private
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def check_address(addr)
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address = ""
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case addr
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when String
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address = IPAddr.new addr
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when IPAddr
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address = addr
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else
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raise RRArgumentError, "Unknown address type: #{addr.inspect}"
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end
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raise RRArgumentError, "Must specify an IPv6 address" unless address.ipv6?
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address
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rescue ArgumentError
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raise RRArgumentError, "Invalid address #{addr.inspect}"
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end
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def build_pack
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@address_pack = @address.hton
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@rdlength = @address_pack.size
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end
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def set_type
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@type = Net::DNS::RR::Types.new("AAAA")
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end
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def get_data
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@address_pack
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end
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def get_inspect
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"#@address"
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end
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def subclass_new_from_hash(args)
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if args.has_key? :address
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@address = check_address args[:address]
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else
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raise RRArgumentError, ":address field is mandatory but missing"
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end
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end
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def subclass_new_from_string(str)
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@address = check_address(str)
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end
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def subclass_new_from_binary(data,offset)
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arr = data.unpack("@#{offset} n8")
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@address = IPAddr.new sprintf("%x:%x:%x:%x:%x:%x:%x:%x",*arr)
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return offset + 16
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end
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end # class AAAA
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end # class RR
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end # module DNS
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end # module Net
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