  def get_proxy   
    good = []
    threads = []   
    ls_prx = Proxy.new 
    proxy_ls = ls_prx.get_all
    proxy_ls.each do |test_prx|
      proxy_thread = Thread.new do
        res = Proxy.new 
        if 
          res.test_active(test_prx) && !@used_proxy.include?(test_prx)                
        then
          good << test_prx
          puts "#{test_prx} good"                
        else
          #puts "#{test_prx} not good"
        end
          threads << proxy_thread
      end    
    end
    threads.each do |thread|
      thread.join
    end               
    puts "#{good}"
    return good.first
  end