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Tuesday, February 9th, 2010

Faye: Bayeaux protocol Comet server for Node.js

Category: Comet, Node

<p>James Coglan has ported a Ruby/EventMachine Comet server to offer a new Node.js server on the Bayeux protocol. The project is Faye and you can check out the code on GitHub.

On the client side:

HTML:
  1.  
  2. <script type="text/javascript" src="/comet.js"></script>
  3.  
  4. <script type="text/javascript">// <![CDATA[
  5.     CometClient = new Faye.Client('/comet');
  6.     CometClient.connect();
  7. // ]]></script>
  8.  
JAVASCRIPT:
  1.  
  2. CometClient.subscribe('/path/to/channel', function(message) {
  3. // process received message object
  4. });
  5.  
  6. CometClient.publish('/some/other/channel', {foo: 'bar'});
  7.  

And the backend....

JAVASCRIPT:
  1.  
  2. var http = require('http')
  3. faye = require('./faye');
  4.  
  5. var comet = new faye.NodeAdapter({mount: '/comet', timeout: 45});
  6.  
  7. http.createServer(function(request, response) {
  8. if (comet.call(request, response)) return;
  9.  
  10. response.sendHeader(200, {'Content-Type': 'text/plain'});
  11. response.sendBody('Hello, non-Comet request!');
  12. response.finish();
  13.  
  14. }).listen(9292);
  15.  

Nice!

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Posted by Dion Almaer at 6:24 am
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