Disconnection support from server about python-socketio HOT 9 CLOSED

In the connect event handler you can return False to reject a connection. As far as disconnecting from the server, I'll have to see how if the Socket.IO protocol allows that, I don't think I've seen a way to do that.

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Disconnect (in my case) is require also in others function that the connect (i don't have all the users information during the initial connection, only after the auth process.).

So returning False is not enough :)

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Yes, I agree that disconnect can be useful. I just couldn't find how to implement it, need to read the js client code more carefully to see what can I send it to close a connection, or maybe just fake it, which is to keep it open but don't let any messages in or out.

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This is now available. Closing.

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Just wondering how it is implemented eventually, closing the socket connection or faking disconnect?
I am using python-socketio-1.6.0 to setup a server, and facing a problem that the tcp socket are stilled in ESTAB status after invoking socketio.Server.disconnect(). Not sure it is related to this issue or not?

Thanks.

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@QuingZ This discussion was regarding disconnecting from the client. Disconnecting from the server has been implemented long ago and as far as I know works fine. If you try the example in this app, there is a disconnect button that triggers a server-initiated disconnection.

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I am using python-socketio-client to connect to server. After socketio.disconnect() is invoked from server, the client can receive "disconnect" message. However, when checking the socket connection by "ss -at", I found that the socket is not closed unless the client process is closed or terminated. My question is that, does disconnecting from the server close the tcp socket, or just keep the socket open but doesn't let any messages in or out? Thanks.

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That really depends on the WebSocket implementation. This package is not managing the connection at the socket level, it relies on a base WebSocket implementation to do that, and there are currently three of these that are supported. I guess it is possible that when the connection ends there is no proper cleanup of the underlying socket, but that would be something to investigate on the particular WebSocket implementation you are using (eventlet, gevent or uwsgi).

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I see. I am using eventlet, seems it doesn't close socket properly. I will do same research on it, hopefully can find something.
Thanks for your help!

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