Chronological Thread 

< Chronological >      < Thread >

---

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On Tuesday, 19. February 2002 10:35, Sanjeev wrote:
> Hi!,
> I have a few questions regarding the way a UA will be able to receive
> messages from the SCTP.
>
> 1).
> (a) It is mentioned that if the call back functions are registered, and the
> eventLoop executed, the corresponding functions are called when something
> comes to the SCTP. Is it the only way by which the UA can receive a message
> from the SCTP.

Yes. Thus you get a notification when an event occurrs. What other ways
do you have in mind ?

> (b) In case, i have multiple applications running ovber a common SCTP
> layer, will each associationId be having its own eventLoop running?

No, the eventLoop (or getEvent()) functions basically
- - call poll() function to check for read events on the SCTP/Raw-Socket
and user-registered file descriptors.
- - schedule timer events.
for all events of the sctplib. You could consider using threads though,
where the eventloop() would be one thread. The socket API library uses a model
like this.

> 2). Instead of calling the eventLoop, if the UA calls the Receive API of
> the SCTP, will the message be delivered?

No. You need the event scheduling from either ventLoop() or getEvent()

> if yes, is the Receive call blocking?

The receive call can be called any time. And doesn't block.

Regards,
Andreas

- --
- ------------------------------------------------------------------------
Dipl.-Ing. Andreas Jungmaier | _
Computer Networking Technology Group | ASCII ribbon campaign ( )
University of Essen | - against HTML email X
http://www.exp-math.uni-essen.de/~ajung | & vcards / \
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.0.6 (GNU/Linux)
Comment: For info see http://www.gnupg.org

iD8DBQE8ciZWXAsLBNOCSsARAphGAJ4w2PPilGLAa41SNcW/b/eBHu6BKgCggn4T
GF0dZL3lX7GVAsGwm+8DJiE=
=zy5H
-----END PGP SIGNATURE-----

---

• [SCTP-Discussion] is it necessary to run the eventLoop to be able to receive any messages, Sanjeev, 02/19/2002
  • Re: [SCTP-Discussion] is it necessary to run the eventLoop to be able to receive any messages, Andreas Jungmaier, 02/19/2002

---

Archive powered by MHonArc 2.6.19+.