anchor.diff:  
   -define(DEFAULT_REQUEST_TIMEOUT, 180).
   -define(DEFAULT_CONNECTION_TIMEOUT_INTERVAL, 1800).
  +-define(DEFAULT_TRACKER_OVERLOAD_INTERVAL, 300).
   
   %%====================================================================
   %% API
  
positive.code: %%--------------------------------------------------------------------
  handle_cast(start_now, S) ->
      case contact_tracker(S, "started") of
  	{ok, Body} ->
  	    {ok, NextRequestTime, NS} =
  		handle_tracker_response(etorrent_bcoding:decode(Body), S),
  	    error_logger:info_msg("Will contact again in ~B seconds~n",
  				  [NextRequestTime]),
  	    {noreply, NS, timer:seconds(NextRequestTime)};
  	timedout ->
  	    {noreply,
  	     S#state{queued_message = "started"},
  	     timer:seconds(?DEFAULT_CONNECTION_TIMEOUT_INTERVAL)}
      end;
  handle_cast(torrent_completed, S) ->
      case contact_tracker(S, "completed") of
  	{ok, Body} ->
  	    {ok, NextRequestTime, NS} =
  		handle_tracker_response(etorrent_bcoding:decode(Body), S),
  	    error_logger:info_msg("Will contact again in ~B seconds~n",
  				  [NextRequestTime]),
  	    {noreply, NS, timer:seconds(NextRequestTime)};
  	timedout ->
  	    {noreply,
  	     S#state{queued_message = "completed"},
  	     timer:seconds(?DEFAULT_CONNECTION_TIMEOUT_INTERVAL)}
      end.
  
  %%--------------------------------------------------------------------
  
negative.code: %%--------------------------------------------------------------------
  handle_info(timeout, S) ->
      case contact_tracker(S, S#state.queued_message) of
  	{ok, {{_, 200, _}, _, Body}} ->
  	    {ok, NextRequestTime, NS} =
  		handle_tracker_response(etorrent_bcoding:decode(Body), S),
  	    {noreply,
  	     NS#state{queued_message=none},
  	     timer:seconds(NextRequestTime)};
  	{error, timedout} ->
  	    {noreply, S, timer:seconds(?DEFAULT_CONNECTION_TIMEOUT_INTERVAL)};
  	{error, session_remotly_closed} ->
  	    {noreply, S, timer:seconds(?DEFAULT_TRACKER_OVERLOAD_INTERVAL)}
      end;
  handle_info(_Info, State) ->
      {noreply, State}.
  