Adding a Subdevice to the Gateway

Function

URI

POST /v2/{project_id}/link/instances/{instance_id}/devices/{device_id}/subsets

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID. For details about how to obtain the project ID, see Appendix > Obtaining a Project ID in the ROMA Connect API Reference. Minimum: 0 Maximum: 32
instance_id	Yes	String	Instance ID. Minimum: 0 Maximum: 36
device_id	Yes	Integer	Device ID. Minimum: 0 Maximum: 99999999999999999

Request Parameters

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	User token, which can be obtained by calling the IAM API (value of X-Subject-Token in the response header). Minimum: 1 Maximum: 100000

**Table 3** Request body parameters
Parameter	Mandatory	Type	Description
resources	Yes	Array of integers	List of subdevices to add. The value must be a common device ID, which is automatically rounded down. Minimum: 1 Maximum: 99999999999999999

Response Parameters

Status code: 201

**Table 4** Response body parameters
Parameter	Type	Description
[items]	Array of AddSubsetsToGatewayResponseBody objects	Created

**Table 5** AddSubsetsToGatewayResponseBody
Parameter	Type	Description
id	Integer	Device ID. Minimum: 1 Maximum: 99999999999999999
device_id	Integer	Device ID (compatible with 20.0). Minimum: 1 Maximum: 99999999999999999
parent_device_id	Integer	Parent device ID. Minimum: 1 Maximum: 99999999999999999
product	ProductReferer object	Product.
device_name	String	Device name. The value is a string of 2 to 64 characters, which can contain letters, digits, and the following special characters: ()_,#.?''-@%&!, Minimum: 2 Maximum: 64
instance_id	String	Instance ID. Minimum: 2 Maximum: 64
client_id	String	Client ID, which is the unique device ID generated by the ROMA platform. Minimum: 0 Maximum: 32
node_id	String	Physical number of a device. The value is a string of 2 to 64 characters, which can contain only letters, digits, underscores (_), and hyphens (-). Generally, the MAC address or IMEI is used. Minimum: 2 Maximum: 64
status	Integer	Device status. The options are as follows: 0: enabled; 1: disabled. Minimum: 0 Maximum: 10
online_status	Integer	Connection status. The options are as follows: 0: disconnected; 1: online; 2: offline. Minimum: 0 Maximum: 10
description	String	Description. Minimum: 0 Maximum: 200
created_user	CreatedUser object	Name of the user who created the attribute.
last_updated_user	LastUpdatedUser object	User who performed the last update.
created_datetime	Long	Creation start time. The format is timestamp(ms) and the UTC time zone is used. Minimum: 1 Maximum: 99999999999999999
last_updated_datetime	Long	Last modification time (timestamp, in milliseconds). The UTC time zone is used. Minimum: 1 Maximum: 99999999999999999
app_id	String	Application ID. Minimum: 0 Maximum: 36

**Table 6** ProductReferer
Parameter	Type	Description
product_id	Integer	Product ID. The product ID is mandatory if the manufacturer ID and model are not set. Minimum: 1 Maximum: 99999999999999999
product_name	String	Product name. Minimum: 0 Maximum: 64
manufacturer_id	String	Manufacturer ID. If the product ID is not specified, the manufacturer ID and model are mandatory. Minimum: 0 Maximum: 64
model	String	Model. If the product ID is not specified, the manufacturer ID and model are mandatory. Minimum: 0 Maximum: 64
protocol_type	Integer	Protocol type of the product. 0: mqtt 1: CoAP 2: modbus 4: opcua 5: extended protocol Minimum: 0 Maximum: 5
product_type	Integer	Product type. The options are as follows: 0: common; 1: gateway. Minimum: 0 Maximum: 10
extend_protocol_name	String	Extended protocol name. Minimum: 0 Maximum: 64

**Table 7** CreatedUser
Parameter	Type	Description
user_id	String	User ID (reserved). Minimum: 0 Maximum: 64
user_name	String	Username. Minimum: 0 Maximum: 64

**Table 8** LastUpdatedUser
Parameter	Type	Description
user_id	String	User ID (reserved). Minimum: 0 Maximum: 64
user_name	String	Username. Minimum: 0 Maximum: 64

Status code: 400

**Table 9** Response body parameters
Parameter	Type	Description
error_code	String	System error code, which is the detailed error code of HTTP error codes 4xx and 5xx. Minimum: 0 Maximum: 64
error_msg	String	Error description. Minimum: 0 Maximum: 200
request_id	String	Message ID. Minimum: 0 Maximum: 64

Status code: 404

**Table 10** Response body parameters
Parameter	Type	Description
error_code	String	System error code, which is the detailed error code of HTTP error codes 4xx and 5xx. Minimum: 0 Maximum: 64
error_msg	String	Error description. Minimum: 0 Maximum: 200
request_id	String	Message ID. Minimum: 0 Maximum: 64

Status code: 500

**Table 11** Response body parameters
Parameter	Type	Description
error_code	String	System error code, which is the detailed error code of HTTP error codes 4xx and 5xx. Minimum: 0 Maximum: 64
error_msg	String	Error description. Minimum: 0 Maximum: 200
request_id	String	Message ID. Minimum: 0 Maximum: 64

Example Requests

{
  "resources" : [ 10001, 10002 ]
}

Example Responses

Status code: 201

Created

[ {
  "id" : 711537,
  "device_id" : 711537,
  "parent_device_id" : 711536,
  "product" : {
    "product_id" : 116303,
    "product_name" : "p1",
    "manufacturer_id" : "p1",
    "model" : "p1",
    "product_type" : 0,
    "protocol_type" : 0
  },
  "device_name" : "device",
  "instance_id" : "8993a690-cf61-46af-880d-587d823d14e5",
  "client_id" : "D116303711537sGDtK",
  "node_id" : "string",
  "status" : 0,
  "online_status" : 2,
  "description" : "device",
  "created_user" : {
    "user_id" : "",
    "user_name" : "user"
  },
  "last_updated_user" : {
    "user_id" : "",
    "user_name" : "user"
  },
  "created_datetime" : 1607408244841,
  "last_updated_datetime" : 1607422571094,
  "app_id" : "cb4b3ec0-8f7f-432f-b05e-fc149d05da5d"
} ]

Status code: 400

Bad Request

{
  "error_code" : "SCB.00000000",
  "error_msg" : "Parameter is not valid for operation [romalink.link-device.addSUbDevice]. Parameter is [deviceOid]. Processor is [path].",
  "request_id" : "cb39e78a-afd3-4e04-901d-70468b1c23dc-1619602712496-cnnorth7a-P-romalink-service01"
}

Status code: 404

Not Found

{
  "error_code" : "ROMA.00110006",
  "error_msg" : "The resource does not exist. Check whether the resource ID 1 is correct.",
  "request_id" : "624c8be1-39b6-47b7-941d-c159aced368a-1619602544650-cnnorth7a-P-romalink-service01"
}

Status code: 500

Internal Server Error

{
  "error_code" : "ROMA.00110002",
  "error_msg" : "The instance does not exist. project_id: 397cd10b30544c588b2f4a56d83856c4, instance_id: f3bb386a-23ec-47aa-9943-4c60ac658611",
  "request_id" : "c8c06d0a-be92-4fdf-9d10-bc20131ab158-1619593104919-cnnorth7a-P-romalink-service01"
}