84 lines
2.6 KiB
Ruby
84 lines
2.6 KiB
Ruby
##
|
|
#
|
|
# Net::DNS::RR::SOA
|
|
#
|
|
# $Id: SOA.rb,v 1.4 2006/07/28 07:33:36 bluemonk Exp $
|
|
#
|
|
##
|
|
|
|
module Net
|
|
module DNS
|
|
class RR
|
|
|
|
#------------------------------------------------------------
|
|
# RR type SOA
|
|
#------------------------------------------------------------
|
|
class SOA < RR
|
|
attr_reader :mname, :rname, :serial, :refresh, :retry, :expire, :minimum
|
|
|
|
private
|
|
|
|
def build_pack
|
|
@soa_pack = pack_name(@mname)
|
|
@soa_pack += pack_name(@rname)
|
|
@soa_pack += [@serial,@refresh,@retry,@expire,@minimum].pack("N5")
|
|
end
|
|
|
|
def set_type
|
|
@type = Net::DNS::RR::Types.new("SOA")
|
|
end
|
|
|
|
def get_data
|
|
@soa_pack
|
|
end
|
|
|
|
def get_inspect
|
|
"#@mname #@rname #@serial #@refresh #@retry #@expire #@minimum"
|
|
end
|
|
|
|
def subclass_new_from_hash(args)
|
|
if args.has_key? :rdata
|
|
subclass_new_from_string(args[:rdata])
|
|
else
|
|
[:mname,:rname,:serial,:refresh,:retry,:expire,:minimum].each do |key|
|
|
raise RRArgumentError, "Missing field :#{key}" unless args.has_key? key
|
|
end
|
|
@mname = args[:mname] if valid? args[:mname]
|
|
@rname = args[:rname] if valid? args[:rname]
|
|
@serial = args[:serial] if number? args[:serial]
|
|
@refresh = args[:refresh] if number? args[:refresh]
|
|
@retry = args[:retry] if number? args[:retry]
|
|
@expire = args[:expire] if number? args[:expire]
|
|
@minimum = args[:minimum] if number? args[:minimum]
|
|
end
|
|
end
|
|
|
|
def number?(num)
|
|
if num.kind_of? Integer and num > 0
|
|
true
|
|
else
|
|
raise RRArgumentError, "Wrong format field: #{num} not a number or less than zero"
|
|
end
|
|
end
|
|
|
|
def subclass_new_from_string(str)
|
|
mname,rname,serial,refresh,ret,expire,minimum = str.strip.split(" ")
|
|
@mname = mname if valid? mname
|
|
@rname = rname if valid? rname
|
|
@serial,@refresh,@retry,@expire,@minimum = [serial,refresh,ret,expire,minimum].collect do |i|
|
|
i.to_i if valid? i.to_i
|
|
end
|
|
end
|
|
|
|
def subclass_new_from_binary(data,offset)
|
|
@mname,offset = dn_expand(data,offset)
|
|
@rname,offset = dn_expand(data,offset)
|
|
@serial,@refresh,@retry,@expire,@minimum = data.unpack("@#{offset} N5")
|
|
return offset + 5*Net::DNS::INT32SZ
|
|
end
|
|
|
|
end # class SOA
|
|
|
|
end # class RR
|
|
end # module DNS
|
|
end # module Net |