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relay-hybrid-connections-http-requests-node-get-started-server.md

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title description services author ms.service ms.topic ms.date ms.author ms.custom
include file
include file
service-bus-relay
clemensv
service-bus-relay
include
05/02/2018
clemensv
include file

Create a Node.js application

Create a new JavaScript file called listener.js.

Add the Relay NPM package

Run npm install hyco-https from a Node command prompt in your project folder.

Write some code to handle requests

  1. Add the following constant to the top of the listener.js file.

    const https = require('hyco-https');

  2. Add the following constants to the listener.js file for the hybrid connection details. Replace the placeholders in brackets with the values you obtained when you created the hybrid connection.

    1. const ns - The Relay namespace. Be sure to use the fully qualified namespace name; for example, {namespace}.servicebus.windows.net.
    2. const path - The name of the hybrid connection.
    3. const keyrule - The name of the SAS key.
    4. const key - The SAS key value.

  3. Add the following code to the listener.js file. :

    You will notice that the code is not much different from any simple HTTP server example you can find in Node.js beginner tutorials, which the exception of using the createRelayedServer instead of the typical createServer function.

    var uri = https.createRelayListenUri(ns, path);
var server = https.createRelayedServer(
    {
        server : uri,
        token : () => https.createRelayToken(uri, keyrule, key)
    },
    (req, res) => {
        console.log('request accepted: ' + req.method + ' on ' + req.url);
        res.setHeader('Content-Type', 'text/html');
        res.end('<html><head><title>Hey!</title></head><body>Relayed Node.js Server!</body></html>');
    });

server.listen( (err) => {
        if (err) {
          return console.log('something bad happened', err)
        }
        console.log(`server is listening on ${port}`)
      });

server.on('error', (err) => {
    console.log('error: ' + err);
});

    Here is what your listener.js file should look like:

    const https = require('hyco-https');

const ns = "{RelayNamespace}";
const path = "{HybridConnectionName}";
const keyrule = "{SASKeyName}";
const key = "{SASKeyValue}";

var uri = https.createRelayListenUri(ns, path);
var server = https.createRelayedServer(
    {
        server : uri,
        token : () => https.createRelayToken(uri, keyrule, key)
    },
    (req, res) => {
        console.log('request accepted: ' + req.method + ' on ' + req.url);
        res.setHeader('Content-Type', 'text/html');
        res.end('<html><head><title>Hey!</title></head><body>Relayed Node.js Server!</body></html>');
    });

server.listen( (err) => {
        if (err) {
          return console.log('something bad happened', err)
        }
        console.log(`server is listening on ${port}`)
      });

server.on('error', (err) => {
    console.log('error: ' + err);
});