[Tsung] Dynamic variables, Vcards, TLS, and service discovery

[Megan Chinburg]

Thank you Michael,
I have a clarifying question about the dynamic substitution:

I was able to request another users Vcard like this:

    <request><jabber type="raw" ack="no_ack"
        data="&lt;iq
        to='user1 at servername'
        type='get'
        id='v3'&gt;
      &lt;vCard xmlns='vcard-temp'/&gt;
    &lt;/iq&gt;"></jabber></request>

However, I have not been able to get the dynamic sub to work, perhaps I¹m
missing something?

    <request subst="true"><jabber type="raw" ack="no_ack"
        data="&lt;iq
        to='ts_user_server:get_unique_id at servername'
        type='get'
        id='v3'&gt;
      &lt;vCard xmlns='vcard-temp'/&gt;
    &lt;/iq&gt;"></jabber></request>

I have only been working with Tsung for a week and I am not at all familiar
with Erlang.  In other words, the simpler the answer, the better :)

Thank you
--Megan

On 12/13/06 12:26 AM, "Mickaël Rémond" <mickael.remond at process-one.net>
wrote:

> Hello,
> 
> Le 13 déc. 06 à 03:32, Megan Chinburg a écrit :
> 
>> Hello,
>> 
>> I am running some load tests now against an XMPP server and I've run into a
>> few things that I cannot figure out how to test.  I'll list all four of them
>> and if anybody can answer one, two, three or all, I would much appreciate
>> it. :)
>> 
>> 1) V-Card retrieval:  I assume this will be a raw xml request using the XMPP
>> extension for requesting a V-Card.  However if someone has had experience
>> with this, perhaps they could shed some more light on the process.
> 
> The best approach would probably be to write a Vcard extension to the XMPP
> benchmark part.
> We are for example approaching completion of a MUC test module and it is much
> easier than using XMPP.
> Regarding your issue, you should first test your scenario with debug on on the
> server and Tsung itself.
> It can make sure that your scenario is doing what you expect.
> Then, turn debug off and start benchmarking.
> 
>> 2) My next question has to do with the XML in question 1:
>> Is there any way to do a dynamic variable for the username in the "to"
>> definition?  Obviously if all the users retrieve the same vcard, I'm only
>> testing the cache and not the actual retrieval.  Or if someone has a better
>> way to request a vcard in a way that exercises the server, I would love to
>> know.
> 
> I would do that with two possibles approaches:
> - If extending the Jabber test module of Tsung, I would implement a
> destination attribute to choose the VCard (offline or online) among the list
> of connected users or disconnected users.
> - If using raw packets, I would use dynamic substitution variables to draw a
> random user with the wanted rules.
> See:
> http://www.process-one.net/en/projects/tsung/docs/user_manual.html#htoc38
> Look for the ts_user_server API.
> 
>> 3) Is there a way to build a request for service discovery?
> 
> For now it is either raw packet or custom addition to the Jabber support.
> 
>> 4) Is there a way to request a TLS rather than plain socket connection?
> 
> It is not supported for now.
> 
>> Thank you in advance for any help on these issues.
> 
> I hope this helps,
> 
> Cheers,
> 
> 
>  
> -- 
> Mickaël Rémond
>  http://www.process-one.net/
> 
>  
> 
> 


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