HTTP Server


The HTTP Server node establishes a HTTP server that allows multiple clients to connect to.

Node Type

Input.

Input and Output Ability

This node does not have an entry point and has 1 exit point. The input and output can be any format.


The body is automatically output to msg while the header and attribute information is stored in the metadata, which can be queried by using ${metadata.key}, where key corresponds to the key of the header/attribute.

Node Properties

../../_images/http_server.png


Name

The name for this node.


Authorization

The authorization method for accessing the HTTP server. The options available are as per the below.

  • Anonymous: Does not need any authentication.
  • Access Token: The client must include the access token you configure in the request for accessing the server. If the access token carried in the request fails to be authenticated, the access will be denied.


URL

The URL via which a client can connect to the HTTP server. This value is automatically assigned by Device Data Integration Service and cannot be edited.


Note

URLs will change due to runtime environment and OU changes. When copying and importing from one OU or environment to another, if the stream contains an HTTP Server node, the URL will automatically change according to the environment and OU.


Description

The description for this node.

Limitations


  • Certificate authentication is required for establishing the HTTP server. For more information, see Certificate-based Authentication.
  • As the HTTP server is not managed by EnOS, connection problems could occur due to server downtime or other instances that are not within our control.

Samples

Input Sample


 This node does not have an entry point but only receives requests over HTTP from third-party clients.

URL: https://[your-EnOS-environment].eniot.io:port/244319862a802000

Output Sample


 A HTTP Server node can output data as follows:

{
    "MetaData":{
        "CamelHttpUrl":"http://url:9090",
        "CamelHttpCharacterEncoding":"UTF-8",
        "Connection":"keep-alive",
        "User-Agent":"Apache-HttpClient/4.5.10 (Java/1.8.0_181)",
        "Host":"url:9090",
        "CamelHttpMethod": "GET",
        "Content-Type": "application/json; charset=UTF-8"
    },
    "Body":{
        "measurepoints":{
            "speed":32,
            "heat":40
        }
    }

}