Device Management

Device Topology Update

Topic: sys/product/{gateway_sn}/status

Direction: up

Method: update_topo

Data:

Column	Name	Type	constraint	Description
domain	Namespace of the gateway device	string		Device domain identifier
type	Product type of the gateway	int		Device type enumeration value
sub_type	Sub-type of the gateway device	int		Device subtype enumeration value
device_secret	Gateway device secret	text		Device secret key
nonce	nonce	text		Random nonce for authentication
thing_version	Model version of the gateway	text		Thing model version
sub_devices	List of sub-devices	array	{"size": 1, "item_type": struct}	Sub-device list
»sn	Serial number of the sub-device (SN)	text		Sub-device serial number
»domain	Namespace of the sub-device	string		Sub-device domain identifier
»type	Product type of the sub-device	int		Sub-device type enumeration value
»sub_type	Sub-type of the sub-device	int		Sub-device subtype enumeration value
»index	Channel index connecting the gateway	string		Sub-device index
»device_secret	Secret of the sub-device	text		Sub-device secret key
»nonce	nonce	text		Sub-device nonce
»thing_version	Model version of the sub-device	text		Sub-device thing model version

Example:

 //sub_devices online  
{
	"tid": "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxx",
	"bid": "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxx",
	"method": "update_topo",
	"timestamp": 1234567890123,
	"data": {
		"domain": "3",
		"type": 119,
		"sub_type": 0,
		"device_secret": "secret",
		"nonce": "nonce",
		"thing_version": "1.1.2",
		"sub_devices": [
			{
				"sn": "drone001",
				"domain": "0",
				"type": 60,
				"sub_type": 0,
				"index": "A",
				"device_secret": "secret",
				"nonce": "nonce",
				"thing_version": "1.1.2"
			}
		]
	}
}

 //sub_devices offline 
{
    "tid": "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxx",
    "bid": "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxx",
    "method": "update_topo",
    "timestamp": 1234567890123,
    "data": {
        "domain": "3",
        "type": 119,
        "sub_type": 0,
        "device_secret":"secret",
        "nonce":"nonce",
        "thing_version": "1.1.2",
        "sub_devices":[]
    }
}