[jdev] xmppping - simple XEP-0199 pinging script

Peter Saint-Andre stpeter at jabber.org
Fri Jan 5 12:23:19 CST 2007


Maciek Niedzielski wrote:
> Hi,
> I wrote a simple script that can be used for xmpp-pinging.
> 
> http://machekku.uaznia.net/jabber/xmppping/xmppping-0.1.tar.gz
> (requires python and PyXMPP)
> 
> It tries to mimic ping command, so should be not so hard to use ;)

Cool, thanks!

> A nice thing in the XEP is that even if other entity does not support
> the XEP, it will return an error, which serves for a pong. However, it
> is important to notice that not every error response is a pong. The XEP
> suggest using cancel/service-unavailable. cancel/feature-not-implemented
> (sent by jabberd2) sounds fine, too. However, there are errors like
> wait/recipient-unavailable which are definitely not pongs. So
> implementors should be careful about what they accept as pongs.
> 
> Other thing: when pinging new jabberd14 on amessage.de, I noticed that
> it sends a pong when I pinging a (most probably) unexisting account (I
> used a random node and resource). I'm not sure if this is the right
> thing to do. I think the rule is that server should not respond for Iq
> sent to a full JID.

See here:

http://www.xmpp.org/internet-drafts/draft-saintandre-rfc3921bis-00.html#rules

Returning <service-unavailable/> is the right thing to do here (at least 
according to the spec).

Peter

-- 
Peter Saint-Andre
Jabber Software Foundation
http://www.jabber.org/people/stpeter.shtml

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