anchor.diff:  
   %%
   %%
  -http_request_log(#http{is = eof, http = {response, _}, state = #fsm{queue = Q, peer = Peer}} = Http) ->
  +http_request_log(#http{is = eof, http = {response, _}, state = #fsm{queue = Q}} = Http) ->
      #req{
         http = {_, {Mthd,  Url, HeadA}}, 
         code = {_, {Code, _Msg, HeadB}}, 
  
positive.code: 
  %%
  %%
  up_link_decode(Data, #fsm{socket = Socket0, peer = Peer} = State) ->
     {Pckt, #socket{in = Stream} = Socket1} = gen_http_recv(Socket0, Data),
     http_set_state(Stream, Socket1, #http{pack = up_link_message(Pckt, Peer), state = State}).
  
  
  
negative.code: 
  %%
  %% peer connection
  'STREAM'({Prot, _, {established, Peer}}, _Pipe, #fsm{} = State)
   when ?is_transport(Prot) ->   
     [$. ||
        lens:apply(lens:tuple(#fsm.queue), fun queue_config_treq/1, State),
        lens:put(lens_socket_peername(), Peer, _),
        fmap({next_state, 'STREAM', _})
     ];
  
  'STREAM'({Prot, _, {terminated, _}}, Pipe, #fsm{} = State)
   when ?is_transport(Prot) ->
  