On 13.07.2020 16:02, ryan embgrets wrote:
So, I set a branch flag on those registrations before calling the save
function, and then try to use async sleep in the branch route after
lookup.
But I see sleep applies on the whole call(all branches are sent with
delay) no matter if it was called on a single branch.
Hey, Ryan!
Did you solve your problem in the meantime? I think you are confusing
parallel forking with serial forking. Implicitly, the OpenSIPS request
branching engine performs **parallel** forking. In other words, no
matter how you prepare your branches (be it using append_branch(),
lookup(), mid_registrar_lookup(), etc.), they will all be sent out
concurrently, hence the effect you are noticing ("the sleep applies on
the whole call").
To change the behavior to a **serial** forking one, try calling
serialize_branches() [1] after building your branch set. IIRC, there's
a caveat in there, which also requires you to call next_branches()
afterwards. Just read the docs carefully and you should be fine.
Best regards,
[1]: https://opensips.org/Documentation/Script-CoreFunctions-3-2#toc44
--
Liviu Chircu
www.twitter.com/liviuchircu | www.opensips-solutions.com
OpenSIPS Summit 2020 Distributed
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