[firmata] Handling loss of connection with the TCPAdaptor

I'm using ESP8266(server) and so TCPAdaptor(firmata) along with MQTTAdapter.

I tried different methodologies to handle connection loss,

1. Checking at regular intervals for connections, but connections are returned even if the actual WiFi connection is lost (switching off the ESP8266).

2. Trying to connect with adaptor at regular intervals, but returns "client is already connected" even when connection
   is lost.

I found setAutoReconnect for MQTTAdaptor, which I assume handles connection loss for the same. But what is the recommended strategy to handle connection loss of TCPAdaptor?