[SR-Users] Re: Dialog Module: enable_dmq and multiple nodes update SAME profiles_with_value counter?

-- Henning Westerholt – https://skalatan.de/blog/ Kamailio services – https://gilawa.com > -----Original Message----- > From: Benoit Panizzon via sr-users sr-users@lists.kamailio.org > Sent: Montag, 16. Oktober 2023 15:28 > To: Kamailio (SER) - Users Mailing List sr-users@lists.kamailio.org > Cc: Benoit Panizzon benoit.panizzon@imp.ch > Subject: [SR-Users] Dialog Module: enable_dmq and multiple nodes update > SAME profiles_with_value counter? > > Hi Team > > I'm still hunting down DMQ dialog issues. > > https://www.kamailio.org/docs/modules/devel/modules/dialog.html#dialog. > p.enable_dmq > > Quote: > "Notably, it is not possible to send in-dialog requests on any but the original > proxy instance." > > I make sure, that if a procied call (with same callID) is being redirected from > anywhere, it is send to the came dialog aware kamailio instance it originated > from. This seems to have fixed a lot of issues with dialogues getting corrupted. > > The two main purposed we use dialog is: > > * CDR > * Channel Counting / Limiting > > modparam("dialog", "profiles_with_value", "custprofilecounter"); > > Can a such profile WITH value be written from any node sharing dialog via > DMQ or is this bound to cause troubes? > > Example. > > Two call get to same customer, but over two different nodes. > > Node A is getting a call: > > set_dlg_profile("custprofilecounter","Customer7664"); > get_profile_size("custprofilecounter","Customer7664","$var(busy_count)"); > > => $var(busy_count) is now 1. > The profile is replicated to Node B and the value can be accessed there. > > While Call on Node A is running, Node B is getting a call to same > customer: > > set_dlg_profile("custprofilecounter","Customer7664"); > get_profile_size("custprofilecounter","Customer7664","$var(busy_count)"); > > => $var(busy_count) is now 2 on Node B. > > Is this value being replicated BACK to Node A where the profile counter > originally was created? > > As far as I have experienced, this is the case. > > But what happens if the call on Node B is ending before the Call on Node A? > Will the counter being decreased also correctly be replicated to Node A? > > What happens the other way round? > > What happens if both call end at the same time? Is a race condition possible, > or is there some sort of locking to prevent this? > > Can I use profiles_with_value the way I use them? Or is this bound to fail > because it's not supported? > > Mit freundlichen Grüssen > > -Benoît Panizzon- > -- > I m p r o W a r e A G - Leiter Commerce Kunden > ______________________________________________________ > > Zurlindenstrasse 29 Tel +41 61 826 93 00 > CH-4133 Pratteln Fax +41 61 826 93 01 > Schweiz Web http://www.imp.ch > ______________________________________________________ > __________________________________________________________ > Kamailio - Users Mailing List - Non Commercial Discussions To unsubscribe > send an email to sr-users-leave@lists.kamailio.org > Important: keep the mailing list in the recipients, do not reply only to the > sender! > Edit mailing list options or unsubscribe: