require 'curb'

def get_adserver_list_as_array_of_strings
  begin
    body_str = Curl.get("http://pgl.yoyo.org/as/serverlist.php?hostformat=hosts
                         &showintro=0&startdate%5Bday%5D=&startdate%5Bmonth%5D
                         =&startdate%5Byear%5D=&mimetype=plaintext").body_str
  rescue
    retry
  end
    matches = body_str.scan(/127.0.0.1 (.+)/).to_a
    matches_clean = Array.new
    matches.each { |m| matches_clean.push(m[0]) }

    return matches_clean
end

$adservers_array = get_adserver_list_as_array_of_strings