mapping part
This configuration section contains the array of topics the gateway subscribes to after connecting to the proxy server, and the settings (converters) for handling incoming messages.
| parameter | Defaults | describe |
|---|---|---|
| topicFilter | /sensor/data | Subscribed topic address |
| example name | Topic | Topic filtering | load | Remark |
|---|---|---|---|---|
| Example 1 | /sensor/data | /sensor/data | {“serialNumber”: “SN-001”, “sensorType”: “Thermometer”, “sensorModel”: “T1000”, “temp”: 42, “hum”: 58} | The device name is part of the payload |
| Example 2 | /sensor/SN-001/data | /sensor/+/data | {“sensorType”: “Thermometer”, “sensorModel”: “T1000”, “temp”: 42, “hum”: 58} | The device name is part of the topic |
In this case, the following messages are valid:
Example 1:
mosquitto_pub -h YOUR_MQTT_BROKER_HOST -p YOUR_MQTT_BROKER_PORT -t "/sensor/data" -m '{"serialNumber": "SN-001", "sensorType": "The