Upload Measurement Points

Upload the measurement point data of a device or logic asset, including file-type data.

Operation Permissions

Required Authorization

Required Operation Permission

Asset

Write

Request Format

POST https://{integration-address}/connect-service/v2.1/integration?action=postMeasurepoint

Note

{integration-address}:The gateway address of message integration service. Log in to the EnOS Management Console and find it in Help > Environment Information .

Request Parameters (URI)

Name

Location (Path/Query)

Mandatory/Optional

Data Type

Description

orgId

Query

Mandatory

String

The organization ID which the asset belongs to. How to get orgId>>

Request Parameters (Header)

Request parameters (Header)

Name

Mandatory/Optional

Data Type

Description

apim-accesstoken

Mandatory

String

The access token obtained via token authentication. For more information, see Get Access Token

Request Parameters (Body)

The format of the request body is multipart/form-data, consisting of multiple form-data sections. For a request body:

  • There must only be one request message. The request message takes up the space of one form-data and its format is “request form-data”. The header and body of “request form-data” are shown in the tables below.

  • There can be one or multiple file form-data. If a request body contains file data, one file takes up the space of one file form-data. Its format is “file form-data”. The header of a “file form-data” is shown in the table below. If the body does not contain any file data, the body does not have to contain any file form-data.

Header of the request form-data

Name

Mandatory/Optional

Data Type

Description

Content-Disposition

Mandatory

Content-Disposition: form-data; name=”enos-message”

name is a constant that indicates the name of the request message.

Body of a request form-data

Name

Mandatory/Optional

Data Type

Description

method

Mandatory

String

The request method.

id

Optional

Integer

The request message ID.

version

Mandatory

String

The version number.

params

Mandatory

Array of Measurement Point Structs

An array of Measurement Point Structs. See the table below for the structure of a Measurement Point Struct.

files

Mandatory

Map

The mapping between files and asset attributes. Its value is a key-value pair File Name : File Mapping Struct . See the table below for the structure of a File Mapping Struct.

Note

Use one of the following methods to specify the device:

  • Include the assetId in the Request

  • Include both productKey + deviceKey in the Request

Measurement Point Struct

Name

Mandatory/Optional

Data Type

Description

assetId

Optional (See Note above)

String

The asset ID. How to get assetID>>

productKey

Optional (See Note above)

String

The product key. To be used with deviceKey.

deviceKey

Optional (See Note above)

String

The device key. To be used with productKey.

time

Mandatory

Long

Timestamp of the measurement point data

measurepoints

Mandatory

Map

The format is a key-value pair Measurement point ID : Point value. If the Measurement point ID is a file-type, its value would be local://filename . local:// is the fixed header. filename is the file name.

File Mapping Struct

Name

Mandatory/Optional

Data Type

Description

featureId

Mandatory

String

The event ID.

assetId

Optional

String

The asset ID.

productKey

Optional

String

The product key of the asset.

deviceKey

Optional

String

The device key of the asset.

md5

Optional

String

The MD5 of the file.

Header of file form-data

Name

Mandatory/Optional

Data Type

Description

Content-Disposition

Mandatory

Content-Disposition: form-data; name=”enos-file”; filename=”yourFileName”

Fixed parameter in the file form-data. Fields are separated by a semicolon (;). name is enos-file. filename indicates the file name.

Content-Length

Mandatory

Long

The size of the file in byte.

Response Parameters

Name

Data Type

Description

code

Integer

Return code of a request. + 0 indicates success. + non-zero values indicates failure.

msg

String

The explanation to the return code. Its value is OK if the request is successful.

requestId

String

A unique ID to identify a request.

Samples

Request Sample

url: https://{apigw-address}/connect-service/v2.1/integration?action=postMeasurepoint&orgId=yourOrgId
method: POST
requestHeader:
{
  "apim-accesstoken":"yourAccessToken"
}

requestBody:
Request form-data
Content-Disposition: form-data; name="enos-message"
{
"method": "integration.measurepoint.post",
"id": "123",
"version": "1.1",
"params":[
        {
            "productKey": "productKey1",
            "deviceKey": "deviceKey1",
            "time": 1579580182824,
            "measurepoints": {
                     "intMesurepintId1": 123,
                     "fileMeasurepointId1":"local://filename1"
              }
        },
        {
           "assetId": "assetId2",
            "time": 1579580182824,
            "measurepoints": {
                    "intMesurepintId2": 123,
                    "fileMeasurepointId2":"local://filename2"
              }
        }
    ],
"files": {
            "filename1": {
                      "featureId": "fileMeasurepointId1",
                      "produckKey": "productKey1",
                      "deviceKey": "deviceKey1",
                      "md5": "0e202f9b67323d11df8a79b319a3d4f6",
              },
           "filename2": {
                      "featureId": "fileMeasurepointId2",
                      "assetId": "assetId2",
                      "md5": "aa8ea05bdbcbadfcda7300c65c40859f",
              }
     }
}

File form-data
Content-Disposition: form-data; name="enos-file"; filename="filename1"
Content-Length: 1024000
<Content of file filename1>

File form-data
Content-Disposition: form-data; name="enos-file"; filename="filename2"
Content-Length: 1024000
<Content of filename2>

Response Sample

{
    "code":0,
    "msg":"OK",
    "requestId":"03902fcf-0d23-40f5-a8fd-0af0774cb533",
    "data":{}
}

Java SDK Sample

import com.envisioniot.enos.iot_http_integration.HttpConnection;
import com.envisioniot.enos.iot_http_integration.message.IIntegrationCallback;
import com.envisioniot.enos.iot_http_integration.message.IntegrationMeasurepointPostRequest;
import com.envisioniot.enos.iot_http_integration.message.IntegrationResponse;
import com.envisioniot.enos.iot_mqtt_sdk.core.exception.EnvisionException;
import com.envisioniot.enos.sdk.data.DeviceInfo;
import com.google.common.collect.Maps;
import com.google.gson.GsonBuilder;

import java.io.File;
import java.io.IOException;
import java.util.HashMap;

public class MeasurepointIntegrationAttrASample {
    // EnOS Token Server URL and HTTP Broker URL, which can be obtained from Environment Information page in EnOS Console
    static final String TOKEN_SERVER_URL = "http://token_server_url";
    static final String BROKER_URL = "http://broker_url";

    // EnOS Application AccessKey and SecretKey, which can be obtain in Application Registration page in EnOS Console
    static final String APP_KEY = "appKey";
    static final String APP_SECRET = "appSecret";

    // Device credentials, which can be obtained from Device Details page in EnOS Console
    static final String ORG_ID = "orgId";
    static final String ASSET_ID = "assetId";
    static final String PRODUCT_KEY = "productKey";
    static final String DEVICE_KEY = "deviceKey";

    private static IntegrationMeasurepointPostRequest buildMeasurepointPostRequest() {
        DeviceInfo deviceInfo1 = new DeviceInfo().setAssetId(ASSET_ID);
        DeviceInfo deviceInfo2 = new DeviceInfo().setKey(PRODUCT_KEY, DEVICE_KEY);

        // Measurepoints are defined in ThingModel
        // FileMeasurePoint1 is a file-type measurepoint
        HashMap<String, Object> hashMap = Maps.newHashMap();
        hashMap.put("IntMeasurePoint1", 123);
        hashMap.put("FileMeasurePoint1", new File("sample1.txt"));
        return IntegrationMeasurepointPostRequest.builder()
                .addMeasurepoint(deviceInfo1, System.currentTimeMillis(), hashMap)
                .addMeasurepoint(deviceInfo2, System.currentTimeMillis(), hashMap)
                .build();
    }

    public static void main(String[] args) {
        // Construct a http connection
        HttpConnection connection = new HttpConnection.Builder(
                BROKER_URL, TOKEN_SERVER_URL, APP_KEY, APP_SECRET, ORG_ID)
                .build();

        IntegrationMeasurepointPostRequest request = buildMeasurepointPostRequest();

        try{
            IntegrationResponse response = connection.publish(request,  (bytes, length) ->
                    System.out.println(String.format("Progress: %.2f %%", (float) bytes / length * 100.0)));
            System.out.println(new GsonBuilder().setPrettyPrinting().create().toJson(response));
        } catch (EnvisionException | IOException e){
            e.printStackTrace();
        }

        // Asynchronously call the measurepoint post with file
        request = buildMeasurepointPostRequest();

        try {
            connection.publish(request, new IIntegrationCallback() {
                        @Override
                        public void onResponse(IntegrationResponse response) {
                            System.out.println("receive response asynchronously");
                            System.out.println(new GsonBuilder().setPrettyPrinting().create().toJson(response));
                        }

                        @Override
                        public void onFailure(Exception failure) {
                            failure.printStackTrace();
                        }
                    }, (bytes, length) ->
                            System.out.println(String.format("Progress: %.2f %%", (float) bytes / length * 100.0))
            );
        } catch (IOException | EnvisionException e) {
            e.printStackTrace();
        }
    }
}