[SR-Users] topos module - possible bug

Fri Apr 28 13:46:51 CEST 2017

Hi All.

I just try to pass call throught 3 kamailio.
I got result like yours

If you need testers for patch - I am ready )

--
Best regards,
Sergey Basov                     e-mail: sergey.v.basov at gmail.com

2017-04-28 12:57 GMT+03:00 Daniel-Constantin Mierla <miconda at gmail.com>:
> There seems to be an issue saving the record-route list for b-side in
> topos_d table -- first two are saved but then there are only 0 characters
> instead of the rest of record routes:
>
> '<sip:192.168.252.75;r2=on;lr=on;ftag=A1;did=072.87c;rtpi=1;nat=no;rtpi=1>\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0'
>
>  I will have to dig a bit into the code.
>
> Cheers, Daniel
>
>
> On 27.04.17 14:30, Pete Kelly wrote:
>
> Yes no problem. I wanted to come but the life schedule would not allow it
> this time.
>
>
> On 27 April 2017 at 13:11, Daniel-Constantin Mierla <miconda at gmail.com>
> wrote:
>>
>> Hello,
>>
>> time, I need more time :-) ... with Kamailio World Conference around the
>> corner, I am caught in a lot of admin tasks...
>>
>> Daniel
>>
>>
>> On 27.04.17 13:11, Pete Kelly wrote:
>>
>> Hi Daniel
>>
>> Is there anything else you need on this?
>>
>> On 26 April 2017 at 15:06, Pete Kelly <pkelly at gmail.com> wrote:
>>>
>>> Hi Daniel
>>>
>>> It's CSeq 1, fromtag A1
>>>
>>> DB attached
>>>
>>> On 26 April 2017 at 15:03, Daniel-Constantin Mierla <miconda at gmail.com>
>>> wrote:
>>>>
>>>> Can you paste here the from tag or cseq for the dialog you are referring
>>>> to? Because the number of frames are not matching my pcap viewer.
>>>>
>>>> Send also the db dump, they should reveal if something is broken there.
>>>>
>>>> Cheers,
>>>> Daniel
>>>>
>>>>
>>>> On 26.04.17 14:46, Pete Kelly wrote:
>>>>
>>>> Ah I see why it is confusing
>>>>
>>>> This setup maintains a Call-ID through an SBC downstream, so the
>>>> INVITE's you see have the same Call-ID but they have a different
>>>> fromtag/cseq, Wireshark shows them all as one call which is annoying when
>>>> looking at the viewer!
>>>>
>>>> If you check the first call only between 252.70 and 252.75 you will see
>>>> INVITE (frame 4), 200OK (frame 16) with lots of RR headers.
>>>>
>>>> The ACK generated by topos (frame 21) only contains 1 Route header, it
>>>> should contain more so the request can hop through the proxy chain as shown
>>>> in frame 16.
>>>>
>>>> I see the example from Sergey is working, but there is only 1 RR header
>>>> in this example - as you can see from my example the topos module uses the
>>>> first RR header but ignores the other 5.
>>>>
>>>> I have the DB dump and logfiles from this call too if useful.
>>>>
>>>> Pete
>>>>
>>>>
>>>> On 26 April 2017 at 12:41, Daniel-Constantin Mierla <miconda at gmail.com>
>>>> wrote:
>>>>>
>>>>> As I could notice upon a quick look, there seems to be two calls -- two
>>>>> INVITE requests having same call id but different cseq. Can you confirm
>>>>> this is the case? Because the capture doesn't seem to have all the
>>>>> incoming/outgoing messages, some are missing.
>>>>>
>>>>> Cheers,
>>>>> Daniel
>>>>>
>>>>> On 26.04.17 12:59, Sergey Basov wrote:
>>>>> > You give to us very hard callflow...
>>>>> >
>>>>> > Without any pauses between responces..
>>>>> >
>>>>> > Some requests go through 127.0.0.1... But responces from 127.0.0.1
>>>>> > not present.
>>>>> >
>>>>> > There are peers from which invites not present in dump. I can not see
>>>>> > ful path of the initial Invite, but there is responses.
>>>>> >
>>>>> > I will send dump in next email directly.
>>>>> > --
>>>>> > Best regards,
>>>>> > Sergey Basov                     e-mail: sergey.v.basov at gmail.com
>>>>> >
>>>>> >
>>>>> > 2017-04-26 11:01 GMT+03:00 Pete Kelly <pkelly at gmail.com>:
>>>>> >> Attached is the pcap from latest nightly.
>>>>> >>
>>>>> >> As you can see (frame 21) the ACK is incorrect, I believe it should
>>>>> >> specify
>>>>> >> all the hops from the 200OK (frame 16) so that the hop by hop ACK
>>>>> >> can be
>>>>> >> routed via the proxy chain.
>>>>> >>
>>>>> >> topoh module works fine.
>>>>> >>
>>>>> >> Pete
>>>>> >>
>>>>> >> On 26 April 2017 at 05:18, Sergey Basov <sergey.v.basov at gmail.com>
>>>>> >> wrote:
>>>>> >>> I dont know how nightly builds are done.
>>>>> >>>
>>>>> >>> Just try with latest 5.0.1 nightly and send new dump.
>>>>> >>>
>>>>> >>> As I understud topos module done to remove record-route headers to
>>>>> >>> hide
>>>>> >>> topology...  Am I wright,  Daniel?
>>>>> >>>
>>>>> >>> And try to disable topos module and enable topoh module. Will it
>>>>> >>> all work
>>>>> >>> as you expecrs?
>>>>> >>>
>>>>> >>> --
>>>>> >>> WBR
>>>>> >>> Sergey Basov
>>>>> >>>
>>>>> >>> 25 апр. 2017 г. 11:31 PM пользователь "Pete Kelly"
>>>>> >>> <pkelly at gmail.com>
>>>>> >>> написал:
>>>>> >>>
>>>>> >>>> I have tried with 5.0.1 from today (25th April).
>>>>> >>>>
>>>>> >>>> Are you saying build for 26th will have some fixes?
>>>>> >>>>
>>>>> >>>> On 25 April 2017 at 18:59, Sergey Basov <sergey.v.basov at gmail.com>
>>>>> >>>> wrote:
>>>>> >>>>> Actualy latest fixes to 180/183/200,  ACK and memory leak was
>>>>> >>>>> pushed to
>>>>> >>>>> 5.0 and master branch.
>>>>> >>>>>
>>>>> >>>>> So, please try with latest 5.0.1 nightly.
>>>>> >>>>>
>>>>> >>>>> --
>>>>> >>>>> WBR
>>>>> >>>>> Sergey Basov
>>>>> >>>>>
>>>>> >>>>> 25 апр. 2017 г. 8:55 PM пользователь "Pete Kelly"
>>>>> >>>>> <pkelly at gmail.com>
>>>>> >>>>> написал:
>>>>> >>>>>
>>>>> >>>>>> Call is with sipp but first goes through another SBC to clean up
>>>>> >>>>>> the
>>>>> >>>>>> SIP (in case of problems with sipp via headers etc).
>>>>> >>>>>>
>>>>> >>>>>> The traces I've done are actually with 4.4.
>>>>> >>>>>>
>>>>> >>>>>> Will they be OK or would you prefer 5.0.1? The problem is
>>>>> >>>>>> exactly the
>>>>> >>>>>> same on both.
>>>>> >>>>>>
>>>>> >>>>>> On 25 April 2017 at 16:25, Sergey Basov
>>>>> >>>>>> <sergey.v.basov at gmail.com>
>>>>> >>>>>> wrote:
>>>>> >>>>>>> Hi.
>>>>> >>>>>>>
>>>>> >>>>>>> Can you send dump of the call with kamailio 5.0.1 nightly?
>>>>> >>>>>>>
>>>>> >>>>>>> And does you make call using sipp?
>>>>> >>>>>>>
>>>>> >>>>>>> --
>>>>> >>>>>>> WBR
>>>>> >>>>>>> Sergey Basov
>>>>> >>>>>>>
>>>>> >>>>>>> 25 апр. 2017 г. 5:57 PM пользователь "Pete Kelly"
>>>>> >>>>>>> <pkelly at gmail.com>
>>>>> >>>>>>> написал:
>>>>> >>>>>>>> Looks like from last night:
>>>>> >>>>>>>>
>>>>> >>>>>>>> 5.0.1+0~20170425013247.36+trusty
>>>>> >>>>>>>>
>>>>> >>>>>>>> On 25 April 2017 at 15:42, Daniel-Constantin Mierla
>>>>> >>>>>>>> <miconda at gmail.com> wrote:
>>>>> >>>>>>>>> Hello,
>>>>> >>>>>>>>>
>>>>> >>>>>>>>> to be sure, it is 5.0.1 build from last night or quite
>>>>> >>>>>>>>> recent? There
>>>>> >>>>>>>>> were some fixes in the past days to topos module.
>>>>> >>>>>>>>>
>>>>> >>>>>>>>> Cheers,
>>>>> >>>>>>>>> Daniel
>>>>> >>>>>>>>>
>>>>> >>>>>>>>>
>>>>> >>>>>>>>> On 25.04.17 15:59, Pete Kelly wrote:
>>>>> >>>>>>>>>
>>>>> >>>>>>>>> Hi Daniel
>>>>> >>>>>>>>>
>>>>> >>>>>>>>> Sorry for the delayed response to this, the ACK is for a
>>>>> >>>>>>>>> 200OK yes
>>>>> >>>>>>>>> and the problem still persists in latest 4.4 and the 5.0.1
>>>>> >>>>>>>>> nightly build.
>>>>> >>>>>>>>>
>>>>> >>>>>>>>> I have all DB entries/kam logs/pcap files.
>>>>> >>>>>>>>>
>>>>> >>>>>>>>> If you check the attached pcap, 192.168.70.70 and
>>>>> >>>>>>>>> 192.168.252.70 are
>>>>> >>>>>>>>> the same instance of Kamailio, it is being used to bridge the
>>>>> >>>>>>>>> 2 networks.
>>>>> >>>>>>>>>
>>>>> >>>>>>>>> Frame 34 shows the 200OK with lots of Record-Route etc, and
>>>>> >>>>>>>>> frame 35
>>>>> >>>>>>>>> shows topos in action.
>>>>> >>>>>>>>>
>>>>> >>>>>>>>> However the ACK that is relayed in Frame 38 seems to be
>>>>> >>>>>>>>> missing all
>>>>> >>>>>>>>> the Route information that was supplied in the 200OK, this
>>>>> >>>>>>>>> causes the ACK to
>>>>> >>>>>>>>> be relayed directly to the Contact, breaking the proxy chain.
>>>>> >>>>>>>>>
>>>>> >>>>>>>>> Pete
>>>>> >>>>>>>>>
>>>>> >>>>>>>>> On 22 February 2017 at 18:31, Daniel-Constantin Mierla
>>>>> >>>>>>>>> <miconda at gmail.com> wrote:
>>>>> >>>>>>>>>> Hello,
>>>>> >>>>>>>>>>
>>>>> >>>>>>>>>> is the ACK for 200ok? Or an ack for a negative response?
>>>>> >>>>>>>>>>
>>>>> >>>>>>>>>> Can you get a pcap for such situation with all messages
>>>>> >>>>>>>>>> related to
>>>>> >>>>>>>>>> the call?
>>>>> >>>>>>>>>>
>>>>> >>>>>>>>>> Cheers,
>>>>> >>>>>>>>>> Daniel
>>>>> >>>>>>>>>>
>>>>> >>>>>>>>>>
>>>>> >>>>>>>>>> On 22/02/2017 17:20, Pete Kelly wrote:
>>>>> >>>>>>>>>>
>>>>> >>>>>>>>>> Hi
>>>>> >>>>>>>>>>
>>>>> >>>>>>>>>> I am using the topos module when bridging 2 networks with
>>>>> >>>>>>>>>> Kamailio.
>>>>> >>>>>>>>>>
>>>>> >>>>>>>>>> The INVITE/200OK part of the transaction is working fine
>>>>> >>>>>>>>>> (i.e. the
>>>>> >>>>>>>>>> Contact on both sides matches correctly the corresponding
>>>>> >>>>>>>>>> network).
>>>>> >>>>>>>>>>
>>>>> >>>>>>>>>> However when the ACK is sent into Kamailio, instead of
>>>>> >>>>>>>>>> realising
>>>>> >>>>>>>>>> the next hop is myself and skipping it, Kamailio is sending
>>>>> >>>>>>>>>> the ACK directly
>>>>> >>>>>>>>>> to itself as a packet, causing the call setup to break.
>>>>> >>>>>>>>>>
>>>>> >>>>>>>>>> Does anyone have any advice for this situation?
>>>>> >>>>>>>>>>
>>>>> >>>>>>>>>>
>>>>> >>>>>>>>>> _______________________________________________
>>>>> >>>>>>>>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users
>>>>> >>>>>>>>>> mailing
>>>>> >>>>>>>>>> list
>>>>> >>>>>>>>>> sr-users at lists.sip-router.org
>>>>> >>>>>>>>>>
>>>>> >>>>>>>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>>> >>>>>>>>>>
>>>>> >>>>>>>>>> --
>>>>> >>>>>>>>>> Daniel-Constantin Mierla
>>>>> >>>>>>>>>> www.twitter.com/miconda -- www.linkedin.com/in/miconda
>>>>> >>>>>>>>>> Kamailio Advanced Training - Mar 6-8 (Europe) and Mar 20-22
>>>>> >>>>>>>>>> (USA) -
>>>>> >>>>>>>>>> www.asipto.com
>>>>> >>>>>>>>>> Kamailio World Conference - May 8-10, 2017 -
>>>>> >>>>>>>>>> www.kamailioworld.com
>>>>> >>>>>>>>> --
>>>>> >>>>>>>>> Daniel-Constantin Mierla
>>>>> >>>>>>>>> www.twitter.com/miconda -- www.linkedin.com/in/miconda
>>>>> >>>>>>>>> Kamailio Advanced Training - May 22-24 (USA) - www.asipto.com
>>>>> >>>>>>>>> Kamailio World Conference - May 8-10, 2017 -
>>>>> >>>>>>>>> www.kamailioworld.com
>>>>> >>>>>>>>
>>>>> >>>>>>>>
>>>>> >>>>>>>> _______________________________________________
>>>>> >>>>>>>> Kamailio (SER) - Users Mailing List
>>>>> >>>>>>>> sr-users at lists.kamailio.org
>>>>> >>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>> >>>>>>>>
>>>>>
>>>>> --
>>>>> Daniel-Constantin Mierla
>>>>> www.twitter.com/miconda -- www.linkedin.com/in/miconda
>>>>> Kamailio Advanced Training - May 22-24 (USA) - www.asipto.com
>>>>> Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com
>>>>>
>>>>
>>>>
>>>> --
>>>> Daniel-Constantin Mierla
>>>> www.twitter.com/miconda -- www.linkedin.com/in/miconda
>>>> Kamailio Advanced Training - May 22-24 (USA) - www.asipto.com
>>>> Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com
>>>
>>>
>>
>>
>> --
>> Daniel-Constantin Mierla
>> www.twitter.com/miconda -- www.linkedin.com/in/miconda
>> Kamailio Advanced Training - May 22-24 (USA) - www.asipto.com
>> Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com
>
>
>
> --
> Daniel-Constantin Mierla
> www.twitter.com/miconda -- www.linkedin.com/in/miconda
> Kamailio Advanced Training - May 22-24 (USA) - www.asipto.com
> Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com
>
>
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