ConnectionString returns the MQTT connection string.

LoadMap loads the file in to the struct.

ClientID is how the name of the client.

Interval is the poll interval in seconds.

Port is the MQTT server listen port.

Server is the MQTT server address.

SNMPMap is the loaded JSON configuration.

OIDTopicObject maps OIDs to MQTT topics.

SNMPEndpointObject is the SNMP Endpoint definition.

SNMPMapObject basic map of endpoints.