Help Center/ IoT Device Access/ API Reference/ MQTT or MQTTS API Reference on the Device Side/ File Upload and Download/ Device Reporting File Upload Results
Updated on 2023-02-16 GMT+08:00
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Device Reporting File Upload Results

Function

This API is used by a device to report the file upload result.

Topic

$oc/devices/{device_id}/sys/events/up

Parameters

Parameter

Mandatory or Optional

Type

Description

object_device_id

Optional

String

Indicates the device that the event is about. If this parameter is not carried, the device specified in the topic is considered to be the device involved.

services

Optional

List<ServiceEvent>

Indicates a list of services that the event is about.

ServiceEvent structure

Parameter

Mandatory or Optional

Type

Description

service_id

Mandatory

String

System field. The value is fixed to $file_manager.

event_type

Mandatory

String

System field. The value is fixed to upload_result_report.

event_time

Optional

String

Indicates the time when the event occurs.

paras

Mandatory

Object

Indicates the event parameters in JSON format.

paras structure

Parameter

Mandatory or Optional

Type

Description

object_name

Mandatory

String

Indicates the name of the object uploaded to OBS.

result_code

Mandatory

Integer

Indicates the file upload result.

  • 0: successful upload
  • 1: upload failure

status_code

Optional

Integer

Indicates the status code returned by OBS after a file upload.

status_description

Optional

String

Indicates the status description returned by OBS after a file upload.

Example

Topic: $oc/devices/{device_id}/sys/events/up  
Data format:
{ 
    "object_device_id": "{object_device_id}", 
    "services": [{ 
        "service_id": "$file_manager", 
        "event_type": "upload_result_report", 
        "event_time": "20151212T121212Z",
         "paras": { 
            "object_name": "c6b39067b0325db34663d3ef421a42f6_12345678_a.jpg",
            "result_code": 0,
            "status_code": 200,
            "status_description": "upload success"
         } 
    }] 
}
Parent topic: File Upload and Download