For some reason i’m getting this error:

[error] GenServer KioskTracker_shard10 terminating
** (stop) exited in: GenServer.call(KioskTracker_shard10, {:list, “room:kiosk”}, 5000)
** (EXIT) process attempted to call itself

It’s erroring out on the Phoenix.Tracker.list call.
What is the proper way to access the list of tracked connections within the handle_diff callback function of a Phoenix Tracker?

Thanks!

  def handle_diff(diff, state) do
    kiosks = Phoenix.Tracker.list(__MODULE__, "room:kiosk")
    IO.puts("KIOSKS CONNECTED")
        IO.inspect(kiosks)
    for {topic, {joins, leaves}} <- diff do
      for {key, meta} <- joins do
        IO.puts("presence join: key \"#{key}\" with meta #{inspect(meta)}")
        # This stuff might be for distributed system with more than one node, look into it later
        # msg = {:join, key, meta}
        # Phoenix.PubSub.direct_broadcast!(state.node_name, state.pubsub_server, topic, msg)
      end

      for {key, meta} <- leaves do
        
        
        IO.puts("presence leave: key \"#{key}\" with meta #{inspect(meta)}")
        # This stuff might be for distributed system with more than one node, look into it later
        # msg = {:leave, key, meta}
        # Phoenix.PubSub.direct_broadcast!(state.node_name, state.pubsub_server, topic, msg)
      end
    end

    {:ok, state}
  end

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