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

["Vishal K. Singh" <vishal.kr.singh@xxxxxxxxx>]

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