Because we host the servers you cannot deploy your own server-side logic on our servers, but we are going to offer soon a way to exchange data with a server you control (server to server API). You'll be able to manipulate rooms via REST API (publish / retract nodes, etc.) and to receive notification (nodes and configuration changes) as HTTP POST so you should be able to add your logic as a standard web application written in your favorite language/framework (php, ruby/rails, python, java servlets, etc.).
