Initiate or restart tracking, or do nothing if the tracker is already tracking.
If the associated client is unconnected, tracking starts immediately.
If it is connected, information about the client's current channels will be queried,
and tracking starts as soon as the information has been received.
Initiate or restart tracking, or do nothing if the tracker is already tracking.
If the associated client is unconnected, tracking starts immediately. If it is connected, information about the client's current channels will be queried, and tracking starts as soon as the information has been received.