anchor.diff:  		after Timeout -> 0
   	end.
   
  +%%
  +%% following mq_* functions are prepareing for future experiments..
  +%%
  +
   mq_listen_area(chat, <<"chat.open.1">>) ->
   0.
   
  
positive.code: 	|| BindingKey <- TopicList],
  	Channel.
  
  
  
  mq_setup_send_routing(Connection, Exchange) ->
      {ok, Ch} = amqp_connection:open_channel(Connection),
      amqp_channel:call(Ch, #'exchange.declare'{exchange = Exchange, type = <<"topic">>, auto_delete = true}),
  	Ch.
  
  
  
  
  mq_test_receiver(Timeout) ->
  	receive
  
negative.code: %% MQ support functions.
  %%
  
  %% receiver
  mq_test() ->
  	io:format("please use topic t.1 or t.2~n",[]),
  	ServerIp = "192.168.56.21",
  