Default behavior when a received message is unknown.
Default behavior when a received message is unknown.
Running state, only one timer per ClockChild.
Running state, only one timer per ClockChild. An accumulator is used to know how many monitors are using this frequency.
Start the clock and the associated scheduler for publishing a Tick on the required topic at a given frequency.
Stop the clock and the scheduler.
One child clock is created per frequency. Allows to publish a message in the right topics for a given frequency.