GetWorkerInfoFromStateMap returns the WorkerConnectionInfo for the provided connection if the connection is a stateProvider.

NewTrackingListener returns a listener which adds all connections made through it to the provided DownstreamManager.

DownstreamManager associates downstream worker key identifiers with the connections to a specific server.

WorkerConnectionInfo contains information about a worker that gets attached to outgoing connections to an upstream worker or the controller through the state of a *protocol.Conn.