Thanks Ted, I see the new code in proton-c/src/messenger/messenger.c where a node named "#" gets set to dynamic. Good stuff.
On Fri, Jan 10, 2014 at 2:19 PM, Ted Ross <tr...@redhat.com> wrote: > > On 01/10/2014 02:03 PM, Davin Shearer wrote: > >> >> Sent from my iPhone >> >> On Jan 10, 2014, at 13:49, Ted Ross <tr...@redhat.com> wrote: >>> >>> >>> On 01/10/2014 01:34 PM, Shearer, Davin wrote: >>>> I actually _prefer_ the C++ broker. I was using the java one for the >>>> web >>>> management. >>>> >>>> So to get this straight... proton sends '#' to the qpid broker, which >>>> in >>>> turn generates a node name which it then sends back to the client via >>>> the >>>> address attribute. >>>> >>> Not quite... The '#' is not part of the protocol between the client and >>> broker. >>> >>> What actually happens is that proton (or qpid.messaging) sees the '#' in >>> the address and instead of sending a name across to the broker, sets the >>> "dynamic" flag in the attach frame, leaving the name blank. The broker >>> sees the dynamic flag, creates a temporary queue, and sends the name of the >>> queue back in the resulting attach frame. >>> >>> Right, but I'm pretty sure the magic '#' thing is a qpid::messaging >> thing, not a proton thing and as such proton is actually sending '#' on the >> wire and qpid messaging is doing the magic of creating the dynamic queue. >> The bit that's missing is to set the lifetime policy to 'delete on close' >> which Gordon just added into jira. >> > > No. The '#' thing is done the same in proton-messenger as in > qpid::messaging. Both use the dynamic flag. Sending '#' on the wire is > not standard and the broker would not respond correctly to that. > > It's important to note that this feature was recently introduced in > proton-messenger (as of 0.6). > > > >> The only thing at is missing is that the qpid broker >>>> does not set auto-del on the newly created dynamic queue. If/When >>>> that's >>>> fixed, I'm golden. >>>> >>>> Thanks so much! >>>> >>>> >>>> On Fri, Jan 10, 2014 at 11:51 AM, Gordon Sim <g...@redhat.com> wrote: >>>>> >>>>> On 01/10/2014 02:26 PM, Shearer, Davin wrote: >>>>>> >>>>>> I took some python code from Apache Dispatch Router and modified it to >>>>>> work >>>>>> with the qpid broker directly without using the dispatch router. >>>>>> >>>>> [...] >>>>> >>>>> This is just using proton, which is great, but the problem is that >>>>> the >>>>> >>>>>> dynamic queues have a permanent lifetime policy as demonstrated here: >>>>>> >>>>> Ok, this now is something that could be fixed in the broker. It could >>>>> (and >>>>> arguably should) default to delete-on-close for dynamic nodes. >>>>> >>>>> I've raised an issue to track that and will fix it before too long I >>>>> hope: >>>>> https://issues.apache.org/jira/browse/QPID-5463 >>>>> >>>>> Your initial email suggested you were using the Qpid Java broker? That >>>>> may >>>>> default as expected (Rob?). >>>>> >>>>> >>>>> --------------------------------------------------------------------- >>>>> To unsubscribe, e-mail: users-unsubscr...@qpid.apache.org >>>>> For additional commands, e-mail: users-h...@qpid.apache.org >>>>> >>>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: users-unsubscr...@qpid.apache.org >>> For additional commands, e-mail: users-h...@qpid.apache.org >>> >>> --------------------------------------------------------------------- >> To unsubscribe, e-mail: users-unsubscr...@qpid.apache.org >> For additional commands, e-mail: users-h...@qpid.apache.org >> >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@qpid.apache.org > For additional commands, e-mail: users-h...@qpid.apache.org > > -- Davin Shearer Engineer 8830 Stanford Blvd, Suite 306 Columbia, MD 21045 443-741-4517
