QUERY IS ACTIVE BACKEND (Myth Protocol)
From MythTV Official Wiki
QUERY_IS_ACTIVE_BACKEND
Arguments
Command arguments: none
List arguments: <hostname>
Examples
Command:
33 QUERY_IS_ACTIVE_BACKEND[]:[]pluto
Successful response:
4 TRUE
OR
5 FALSE
Description
Determines whether or not the given hostname represents a currently active backend.