anchor.diff:                                   passive=Passive,
                                    connections=Connections}
               end,
  +
  +    lager:info("Node ~p active view: ~p",
  +               [Myself, members(State#state.active)]),
   
       {noreply, State};
   
  
positive.code:                                            epoch=Epoch}=State) ->
      {reply, {ok, {state, Active, Epoch}}, State};
  
  handle_call(Msg, _From, State) ->
      lager:warning("Unhandled messages: ~p", [Msg]),
      {reply, ok, State}.
  
negative.code:     sets:to_list(Active);
  decode(Active) ->
      sets:to_list(Active).
  
  %% @doc Debugging.
  -spec connections() -> {ok, list({node_spec(), pid()})}. 
  connections() ->
      gen_server:call(?MODULE, connections, infinity).
  
  %%%===================================================================
  %%% gen_server callbacks
  