{attribute 'hide'}
METHOD PublishNBIRTHEntry : BOOL
VAR_OUTPUT
EncodeError : BOOL;
Encode_eError : ERROR;
END_VAR
VAR_STAT
NBIRTHError : ERROR;
NBIRTHTopic : WSTRING;
PublishNBIRTHEntry := FALSE;
NBIRTHError :=
AllMetricsList := _Metrics );
IF NBIRTHError <> ERROR.NO_ERROR THEN
WriteDeviceLog( TO_DWORD( CmpLog.LogClass.LOG_ERROR ),
'EoN Publish NBIRTH Error: %s',
TO_STRING( NBIRTHError ) );
END_IF
(*
application to control aspects of the EoN node. The following are examples of Node Control metrics.
Metric name:
Node Control/Reboot
o Used by backend application(s) to reboot an EoN node.
Metric name:
Node Control/Rebirth
o Used by backend application(s) to request an EoN node to walk to the next MQTT Server in its list
in multi-MQTT Server environments.
Metric name:
Node Control/Scan rate
The NBIRTH message can also include optional
Properties
of an EoN node. The following are examples of
Property metrics.
Metric name:
Properties/Hardware Make
//Encode the node birth certificate, which should only take 1 scan!
_SparkplugB.Encode( Enable := TRUE );
REPEAT
_SparkplugB( AllmetricsList := _Metrics );
WSTRING_TO_STRING( _TopicProvider.wsNBIRTHpublisherTopic ) );
PublishNBIRTHEntry := EncodeDone OR EncodeError;