Deleting Topologies for Sub-Devices¶

A gateway can publish a message to this topic to delete the topological relationship between the gateway and a sub-device.

After you delete the topological relationship of the sub-device, the sub-device can no longer connect to EnOS Cloud through the gateway.

Upstream

Request TOPIC: /sys/{productKey}/{deviceKey}/thing/topo/delete
Reply TOPIC: /sys/{productKey}/{deviceKey}/thing/topo/delete_reply

Note

The productKey and deviceKey in the TOPIC are the credentials of the gateway.

Sample Request Format¶

{
  "id": "123",
  "version": "1.0",
  "params": [
    {
      "deviceKey": "deviceKey1234",
      "productKey": "1234556554"
    }
  ],
  "method": "thing.topo.delete"
}

Sample Response Format¶

{
  "id": "123",
  "code": 200,
  "data": {}
}

Request Parameter Description¶

Parameter	Type	Mandatory/Optional	Description
id	String	Optional	The message ID. It is a reserved parameter that is reserved for future use.
version	String	Mandatory	The version of the protocol. The current version is 1.0.
params	Array	Mandatory	The parameters used for deleting topological relationships.
deviceKey	String	Mandatory	The device Key of the sub-device.
productKey	String	Mandatory	The product key of the sub-device.
method	String	Mandatory	The request method.

Response Parameter Description¶

Parameter	Type	Description
code	Integer	The return code. “200” indicates that the requested operation is executed successfully.

Return Code¶

Return Code	Error Message	Explanation
1256	Remove topo failure, [details]	Part or all of the sub-devices cannot be removed. To troubleshoot the problem, you must read the details of this return code. [1]