MESSAGE_LOGGER_STATE_PRESTART
MESSAGE_LOGGER_STATE_PRESTART: 1
MESSAGE_LOGGER_STATE_STARTED
MESSAGE_LOGGER_STATE_STARTED: 2
MESSAGE_LOGGER_STATE_STOPPED
MESSAGE_LOGGER_STATE_STOPPED: 3
MESSAGE_LOGGER_STATE_UNSPECIFIED
MESSAGE_LOGGER_STATE_UNSPECIFIED: 0
UNRECOGNIZED
UNRECOGNIZED: -1
Possible message or signal logger states.