Keeping track of WebSocket disconnects

[kokolegorille]

Sorry, I monitor channel, not socket… You cannot use self() in socket connect.

See this older topic.

Is it possible to enforce that there a given user can have at most one instance of a Phoenix websocket open at a time?

So I’m working on a small game and I want to enforce that each logged in user can only have one websocket instance open at a time. I’d prefer to do the check on the socket-level instead of the channel-level so that I don’t have to repeat the check on every channel. So far I’ve tried to create a new unique Registry and register in the connect/3 callback but that doesn’t work because the connect/3 callback is not called from the user socket process (by that I mean that it is not called with from …