Callback to handle initialization.

Callback to handle connection to the server.

Callback to handle disconnection from the server.

Callback to handle subscription status changes.

Callback to handle server feature read.

Callback to handle metadata read results.

Callback to handle metadata write results.

Callback to handle OLCP responses.

Callback to handle OACP responses.

Callback to handle outgoing data.

Callback to handle incoming data.

Callback to handle the end of a data transfer.

Callback to handle object change events.

Callback to handle filter reads.

Callback to handle filter writes.

Callback to handle grouped metadata read.