class SeventeenMon::IPDB
Public Class Methods
instance()
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# File lib/seventeen_mon/ipdb.rb, line 25 def self.instance @instance ||= self.send :new end
Public Instance Methods
index()
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# File lib/seventeen_mon/ipdb.rb, line 17 def index @index ||= ip_db.read(offset - 4) end
ip_db()
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# File lib/seventeen_mon/ipdb.rb, line 9 def ip_db @ip_db ||= File.open ip_db_path, 'rb' end
ip_db_path()
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# File lib/seventeen_mon/ipdb.rb, line 6 def ip_db_path @ip_db_path ||= File.expand_path'../../data/17monipdb.dat', __FILE__ end
max_comp_length()
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# File lib/seventeen_mon/ipdb.rb, line 21 def max_comp_length @max_comp_length ||= offset - 1028 end
offset()
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# File lib/seventeen_mon/ipdb.rb, line 13 def offset @offset ||= ip_db.read(4).unpack("Nlen")[0] end
seek(_offset, length)
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# File lib/seventeen_mon/ipdb.rb, line 29 def seek(_offset, length) IO.read(ip_db_path, length, offset + _offset - 1024).split "\t" end