FAQ

Device Info

Published: May 19, 2020
Edited: May 21, 2020

Device Info Plugin

Version: 1.0

Status:

DeviceInfo plugin for Thunder framework.

Table of Contents

Introduction

Scope

This document describes purpose and functionality of the DeviceInfo plugin. It includes detailed specification of its configuration and properties provided.

Case Sensitivity

All identifiers on the interface described in this document are case-sensitive. Thus, unless stated otherwise, all keywords, entities, properties, relations and actions should be treated as such.

Acronyms, Abbreviations and Terms

The table below provides and overview of acronyms used in this document and their definitions.

Acronym Description
API Application Programming Interface
HTTP Hypertext Transfer Protocol
JSON JavaScript Object Notation; a data interchange format
JSON-RPC A remote procedure call protocol encoded in JSON

The table below provides and overview of terms and abbreviations used in this document and their definitions.

Term Description
callsign The name given to an instance of a plugin. One plugin can be instantiated multiple times, but each instance the instance name, callsign, must be unique.

References

Ref ID Description
HTTP HTTP specification
JSON-RPC JSON-RPC 2.0 specification
JSON JSON specification
Thunder Thunder API Reference

Description

The DeviceInfo plugin allows retrieving of various device-related information.

The plugin is designed to be loaded and executed within the Thunder framework. For more information about the framework refer to [Thunder].

Configuration

The table below lists configuration options of the plugin.

Name Type Description
callsign string Plugin instance name (default: DeviceInfo)
classname string Class name: DeviceInfo
locator string Library name: libWPEFrameworkDeviceInfo.so
autostart boolean Determines if the plugin is to be started automatically along with the framework

Properties

The following properties are provided by the DeviceInfo plugin:

DeviceInfo interface properties:

Property Description
systeminfo RO System general information
addresses RO Network interface addresses
socketinfo RO Socket information

systeminfo property

Provides access to the system general information.

This property is read-only.

Value

Name Type Description
(property) object System general information
(property).version string Software version (in form version#hashtag)
(property).uptime number System uptime (in seconds)
(property).totalram number Total installed system RAM memory (in bytes)
(property).freeram number Free system RAM memory (in bytes)
(property).devicename string Host name
(property).cpuload string Current CPU load (percentage)
(property).serialnumber string Device serial number
(property).time string Current system date and time

Example

Get Request

{
    "jsonrpc": "2.0",
    "id": 1234567890,
    "method": "DeviceInfo.1.systeminfo"
}

Get Response

{
    "jsonrpc": "2.0",
    "id": 1234567890,
    "result": {
        "version": "1.0#14452f612c3747645d54974255d11b8f3b4faa54",
        "uptime": 120,
        "totalram": 655757312,
        "freeram": 563015680,
        "devicename": "buildroot",
        "cpuload": "2",
        "serialnumber": "WPEuCfrLF45",
        "time": "Mon, 11 Mar 2019 14:38:18"
    }
}

addresses property

Provides access to the network interface addresses.

This property is read-only.

Value

Name Type Description
(property) array Network interface addresses
(property)[#] object
(property)[#].name string Interface name
(property)[#].mac string Interface MAC address
(property)[#]?.ip array (optional)
(property)[#]?.ip[#] string (optional) Interface IP address

Example

Get Request

{
    "jsonrpc": "2.0",
    "id": 1234567890,
    "method": "DeviceInfo.1.addresses"
}

Get Response

{
    "jsonrpc": "2.0",
    "id": 1234567890,
    "result": [
        {
            "name": "lo",
            "mac": "00:00:00:00:00",
            "ip": [
                "127.0.0.1"
            ]
        }
    ]
}

socketinfo property

Provides access to the socket information.

This property is read-only.

Value

Name Type Description
(property) object Socket information
(property)?.total number (optional)
(property)?.open number (optional)
(property)?.link number (optional)
(property)?.exception number (optional)
(property)?.shutdown number (optional)
(property).runs number Number of runs

Example

Get Request

{
    "jsonrpc": "2.0",
    "id": 1234567890,
    "method": "DeviceInfo.1.socketinfo"
}

Get Response

{
    "jsonrpc": "2.0",
    "id": 1234567890,
    "result": {
        "total": 0,
        "open": 0,
        "link": 0,
        "exception": 0,
        "shutdown": 0,
        "runs": 1
    }
}
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