     after howlong -> 
         howlong = :infinity
         to_write = byte_size(acc)
-        debug_log ["time flush", to_write]
+#        debug_log ["time flush", to_write]
         if to_write != 0 do
           send_fn.(acc)
           acc = <<>>

      || format(what))
    end
  end
  defp debug_log(what), do: _log(:debug, what)
  defp err_log(what), do: _log(:error, what)
  defp info_log(what), do: _log(:info, what)
  

  end
  defp send_packet({:write_flush, _cmd, _flush?, _who, _mesg} = write_cmd, 
                   %{writer_pid: writer}) when writer != nil do
#    debug_log ["send packet", write_cmd]
    send writer, write_cmd
    :ok
  end
