app/models/acl.rb

   1 class Acl < ActiveRecord::Base
   2   def self.find_by_address(address, options)
   3     self.with_scope(:find => {:conditions => ["inet_aton(?) & netmask = address", address]}) do
   4       return self.find(:first, options)
   5     end
   6   end
   7
   8   def self.find_all_by_address(address, options)
   9     self.with_scope(:find => {:conditions => ["inet_aton(?) & netmask = address", address]}) do
  10       return self.find(:all, options)
  11     end
  12   end
  13 end