socket.io chat with private rooms

Question

I started looking into node and socket.io.

I already have created a simple chat application and I am amazed at how easy it was.

Now, I would like to take a littl

Answer 1

If the only functionality you want is for two people to be able to send messages to one another (and not groups of people to have a room), then the logic could be something like this:

1. When a user connects, store their connection in an object keyed by their username (or in any other data structure that ensures you can find a specific user's connection).
2. When a Bob wants to talk to Jeff, send the server an event stating such.
3. The server looks up Jeff's Socket.IO connection in the object from step 1.
4. The server uses this connection to send Jeff (and only Jeff) the private message.