anchor.diff:  -export([start_link/0,
            subscribe/0,
            unsubscribe/0,
  -         encode/1,
            node_info/1]).
   
   %% gen_server callbacks
  
positive.code:                        end,
                         #{},
                         proplists:get_value(running, AppsInfo)),
      JSON = encode(#{applications => Apps}),
  
      [Pid ! {data, JSON} || Pid <- Subs],
      {noreply, State}.
  
negative.code:             error ->
                  #{error => <<"Ports are not supported yet">>}
          end,
      epl_json:encode(#{id => list_to_binary(NodeId), info => Info}, <<"node-info">>);
  node_info(NodeId) when is_binary(NodeId) ->
      node_info(binary_to_list(NodeId)).
  
  