dslink.json

The dslink.json file is the basic configuration and description for every DSLink application. It's a JSON document that shares most of the properties same as package.json from npm.

Note

To ensure that upgrades to Java DSLinks are performed correctly, add the following stanza to the dslink.json file:

"update": {
"backupForUpdate": true,
"delete": ["lib", "bin"]
},

Properties

name

Name of the DSLink.

version

Version of the DSLink.

description

Description of the DSLink.

license

License of the DSLink.

author

JSON object containing information about the DSLink author.

name

Name of the author.

email

Email of the author.

main

Command that is ran to start the DSLink, it may contain parameters.

repository

Contains data about the DSLink source code control repository.

type

Source code control type, examples include git, svn, and hg.

url

URL to repository viewer.

bugs

url

URL to bugtracker for DSLink.

configs

Provides configuration parameters that are passed to the DSLink. These are also managed by the DSLink manager in DGLux Server.

  "configs": {
    "broker": {
      "type": "url"
    },
    "nodes": {
      "type": "path",
      "value": "nodes.json",
      "required": true
    },
    "key": {
      "type": "path",
      "value": ".dslink.key",
      "required": true
    }
  }

• type
• string
• number
• int
• bool
• url
• path (file or uri path)
• required (bool)
• Used by dslink manager to check if config is valid

getDependencies

List of commands that are ran to set the DSLink's environment up.

  "getDependencies": [
    "pub get"
  ]

Example

{
  "name": "dslink-java-dsa-coap",
  "version": "0.0.2",
  "description": "DSA-over-COAP",
  "license": "Apache",
  "author": {
    "name": "Kenneth Endfinger",
    "email": "[email protected]"
  },
  "main": "bin/dslink-java-dsa-coap",
  "repository": {
    "type": "git",
    "url": "https://github.com/IOT-DSA/dslink-java-dsa-coap"
  },
  "bugs": {
    "url": "https://github.com/IOT-DSA/dslink-java-dsa-coap/issues"
  },
  "configs": {
    "name": {
      "type": "string",
      "default": "DSA-COAP"
    },
    "broker": {
      "type": "url"
    },
    "token": {
      "type": "string"
    },
    "nodes": {
      "type": "path",
      "default": "nodes.json"
    },
    "key": {
      "type": "path",
      "default": ".key"
    },
    "log": {
      "type": "enum",
      "default": "info"
    },
    "handler_class": {
      "type": "string",
      "default": "org.dsa.iot.coap.CoapHandler"
    }
  }
}