---

all_signals = {}
        for site_name, site_message in controlled_site_messages.items():
            if site_message:
                all_signals[site_name] = {
                    'pump': t_utils.get_signal(site_message, SignalType.REGLU),
                    'sou': t_utils.get_signal(site_message, SignalType.REGSOU),
                    'gravity': t_utils.get_signal(site_message, SignalType.GRAVITYPIPE),
                }
            else:
                all_signals[site_name] = None

        first_site_signal_pump = all_signals.get("controlled_site_first", {}).get("pump").value