Eventbus acts as an interface for sending/receiving messages on mqtt topics.
It supports 3 kinds of mode: - internalMqttMode - externalMqttMode - bothMqttMode
eventbus subscribes to the following topics:
- $hw/events/upload/# - SYS/dis/upload_records - SYS/dis/upload_records/+ - $hw/event/node/+/membership/get - $hw/event/node/+/membership/get/+ - $hw/events/device/+/state/update - $hw/events/device/+/state/update/+ - $hw/event/device/+/twin/+
Note: topic wildcards
|#||It must be the last character in the topic, and matches the current tree and all subtrees.|
|+||It matches exactly one item in the topic tree.|