[reSIProcate] resiprocate performance, DUM and Presence server : Questions

[Vishal K. Singh]

Hello,

Is there some performance measurements done for resiprocate sip stack, if
yes, can you send me a pointer to the results. ?

For implementing a presence agent:

Is it better to use the SipStack interface i.e, use stack->receive() and
write a dialog layer i.e.,create a SIPDialog object which provides callbacks
like OnSubscribeMessage(), based on the received message or should I use DUM
?

I have not yet completely figured out DUM, but,  I think some of this may be
already taken care of by the DUM. I saw code and API for specifying
handlers, But, could not yet find where is the logic implemented which
specifies which handlers to be invoked when? In other words, how do I
specify which handler to be invoked when a SUBSCRIBE or NOTIFY is received.
The different handlers are specified to DUM (using functions like
addSubscriptionClientHandler etc.) and I assume they will be automatically
invoked, but, where is the logic which let me specify which handlers to be
executed under different conditions or messages.

Is there a document or are there code examples in repository  to build new
applications like presence agent using DUM. This would be really helpful to
understand the DUM design and usage.

Thanks a lot for your time.

Regards,
Vishal
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