[Twisted-Python] How do I know the server from reactor.listenTCP already started listening?

Enrique Samson Jr. enriquejr at gmail.com
Tue Sep 27 05:12:53 EDT 2011

On Tue, Sep 27, 2011 at 4:33 PM, David Kao <a.libran at gmail.com> wrote:

> When the call to listenTCP returns, is the server actively waiting for
> TCP connections?
Looking at the code
I would think so.

> Let's say reactor.run() has been called. Can I do the following
> back-to-back?
> reactor.listenTCP(4321, serverfactory)
> reactor.connectTCP("localhost", 4321, clientfactory)

> Basically, I am almost starting a server and a client back-to-back
> that connects to each other.

Just curious, why are you doing this?

> I would like to know if the server is in
> "listening" state before my client attempts to connect.
> Thanks.
> David Kao

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