EventMachine : How to build a chat system with Rails application?

Instead of writing your own, you may be able to build on the Juggernaut library. This is an EventMachine framework which has an example that does precisely this sort of thing.

Juggernaut only supports flash with xml sockets and rails2. Do you have any suggestions for those wanting to use websockets and rails3? – user341458 Jan 23 at 6:04 I've had some success using the em-websocket library for EventMachine but you will have to layer in your own methods for dispatching calls to clients.

– tadman Jan 24 at 17:07.

If the messages are stored within the database, then query it for the users that have written a message in the last 5 minutes. That way if they idle for more than five minutes they're automatically considered out of the chatroom.

Pong! Method, that could also be applied here :D.

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