[OpenSIPS-Users] Presence over TCP with NAT, possible bug
Bogdan-Andrei Iancu
bogdan at opensips.org
Fri Feb 27 20:15:28 CET 2015
Pete,
You should look for logs from "_tcpconn_find" when the NOTIFY is about
to be sent out.
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
On 26.02.2015 17:37, Pete Kelly wrote:
> Hi
>
> Yes I did that, and also with EXTRA_DEBUG too - I should be able to
> grab the logs from the time it happened.
>
> Is there any particular item you want me to look for?
>
> On 23 February 2015 at 09:45, Bogdan-Andrei Iancu <bogdan at opensips.org
> <mailto:bogdan at opensips.org>> wrote:
>
> Hi Pete,
>
> Do you have any chance to run in debug mode to get some extra info ?
>
> Regards,
>
> Bogdan-Andrei Iancu
> OpenSIPS Founder and Developer
> http://www.opensips-solutions.com
>
> On 23.02.2015 10:49, Pete Kelly wrote:
>> Hi Bogdan
>>
>> As I said in my original post, I tried that already with no success.
>>
>> On 12 February 2015 at 19:11, Bogdan-Andrei Iancu
>> <bogdan at opensips.org <mailto:bogdan at opensips.org>> wrote:
>>
>> Hi Pete,
>>
>> Try setting the tcp_accept_aliases global param to 1:
>> tcp_accept_aliases = 1
>>
>> Regards,
>>
>> Bogdan-Andrei Iancu
>> OpenSIPS Founder and Developer
>> http://www.opensips-solutions.com
>>
>> On 12.02.2015 11:24, Pete Kelly wrote:
>>> Bogdan
>>>
>>> In fact the TCP connection stays open (I checked with
>>> netstat on port 28733 being open on the remote host).
>>>
>>> I think the problem is opensips is opening (or is supposed
>>> to open) 5060 on the remote and this is failing? I think it
>>> may be looking for an already existing connection to 5060?
>>>
>>> Pete
>>>
>>> On 11 February 2015 at 20:11, Bogdan-Andrei Iancu
>>> <bogdan at opensips.org <mailto:bogdan at opensips.org>> wrote:
>>>
>>> Hi Pete,
>>>
>>> If the TCP connection (the one used to received the
>>> SUBSCRIBE from end user) went down, when sending an
>>> in-dialog NOTIFY, OpenSIPS will refuse to open a new TCP
>>> connection (the policy is to accept connection, not to
>>> open connections towards end-users).
>>>
>>> Can you check if this is your case ?
>>>
>>> Regards,
>>>
>>> Bogdan-Andrei Iancu
>>> OpenSIPS Founder and Developer
>>> http://www.opensips-solutions.com
>>>
>>> On 11.02.2015 12:50, Pete Kelly wrote:
>>>> I have been experimenting recently with Presence over
>>>> TCP and noticed sometimes OpenSIPS fails to send a
>>>> NOTIFY for a recent SUBSCRIBE, with a tcp_send error in
>>>> the logs.
>>>>
>>>> I did some research and found an old issue which seems
>>>> to be similar to this as the inbound SUBSCRIBE TCP
>>>> connection is on a high port, yet the NOTIFY is to go
>>>> to port 5060.
>>>>
>>>> http://lists.opensips.org/pipermail/users/2013-May/025922.html
>>>>
>>>> The fix here is to set tcp_accept_aliases =1
>>>>
>>>> I tried this fix and it did not resolve the issue.
>>>> Looking in the source code it seems OpenSIPS may be
>>>> trying to reuse an old/existing TCP connection and is
>>>> failing to find one - it does seem to be slightly
>>>> intermittent too. Sometimes (very rarely) it will work,
>>>> and it seems to be related to how many other TCP
>>>> connections are open at the moment but I have found it
>>>> very very difficult to pin down. In the end I got round
>>>> it by looping the TCP SUBSCRIBE back to UDP and the
>>>> OpenSIPS then produces a NOTIFY/UDP no problem. This
>>>> solution is a bodge and I would be interested to know
>>>> if the failure to tcp_send is a bug or something I can
>>>> detect and handle in the config somehow?
>>>>
>>>> Using OpenSIPS 1.11 latest, in EXTRA_DEBUG mode this is
>>>> the error that is produced:
>>>>
>>>> [19361]: ERROR:tm:msg_send: tcp_send failed
>>>> [19361]: ERROR:tm:t_uac: attempt to send to
>>>> 'sip:111.111.8.146:5060;transport=tcp;lr' failed
>>>>
>>>> This is the inbound SUBSCRIBE and 200OK... I am simply
>>>> dealing with this by calling handle_subscribe('1');
>>>>
>>>> T 2015/02/10 12:52:09.324134 111.111.8.146:28733
>>>> <http://111.111.8.146:28733> -> 192.168.0.113:5060
>>>> <http://192.168.0.113:5060> [AP]
>>>> SUBSCRIBE sip:user203 at test-domain.com
>>>> <mailto:sip%3Auser203 at test-domain.com> SIP/2.0.
>>>> Via: SIP/2.0/TCP
>>>> 111.111.8.146:5060;egress-zone=DNS;branch=z9hG4bK5c628151ab895c5f2f45ed8bdafeda0d24504147.1569b0b8efc74f7daf3767cc97d0b38e;proxy-call-id=345dee99-7aca-44b4-bf5f-fb1f2e57774a;rport.
>>>> Via: SIP/2.0/TLS
>>>> 10.15.20.113:54999;branch=z9hG4bKfd5e7b1424014fc8de23205f0de3873e.1;received=188.39.51.2;rport=54999;ingress-zone=DefaultSubZone.
>>>> Call-ID: a1922a193e1b6057 at 10.15.20.113
>>>> <mailto:a1922a193e1b6057 at 10.15.20.113>.
>>>> CSeq: 303 SUBSCRIBE.
>>>> Contact: <sip:pkelly at test-domain-2.com
>>>> <mailto:sip%3Apkelly at test-domain-2.com>;gr=urn:uuid:683f87a0-e026-5f0a-b86b-58139361c7a4>.
>>>> From: <sip:pkelly at test-domain-2.com
>>>> <mailto:sip%3Apkelly at test-domain-2.com>>;tag=359dbb1cb104d434.
>>>> To: <sip:user203 at test-domain.com
>>>> <mailto:sip%3Auser203 at test-domain.com>>.
>>>> Max-Forwards: 15.
>>>> Record-Route: <sip:111.111.8.146:5060;transport=tcp;lr>.
>>>> Record-Route: <sip:111.111.8.146:5061;transport=tls;lr>.
>>>> Record-Route:
>>>> <sip:188.39.51.2:54999;transport=tls;apparent=remove;ds;lr;proxy-call-id=345dee99-7aca-44b4-bf5f-fb1f2e57774a>.
>>>> User-Agent: Test.
>>>> Expires: 3600.
>>>> Event: presence.
>>>> Accept: application/pidf+xml.
>>>> P-Asserted-Identity: <sip:pkelly at test-domain-2.com
>>>> <mailto:sip%3Apkelly at test-domain-2.com>>.
>>>> X-TAATag: 6ed63f01-3191-4a1f-b2a2-4121fb834f07.
>>>> Content-Length: 0.
>>>> .
>>>>
>>>>
>>>> T 2015/02/10 12:52:09.326218 192.168.0.113:5060
>>>> <http://192.168.0.113:5060> -> 111.111.8.146:28733
>>>> <http://111.111.8.146:28733> [AP]
>>>> SIP/2.0 200 OK.
>>>> Via: SIP/2.0/TCP
>>>> 111.111.8.146:5060;received=111.111.8.146;egress-zone=DNS;branch=z9hG4bK5c628151ab895c5f2f45ed8bdafeda0d24504147.1569b0b8efc74f7daf3767cc97d0b38e;proxy-call-id=345dee99-7aca-44b4-bf5f-fb1f2e57774a;rport=28733.
>>>> Via: SIP/2.0/TLS
>>>> 10.15.20.113:54999;branch=z9hG4bKfd5e7b1424014fc8de23205f0de3873e.1;received=188.39.51.2;rport=54999;ingress-zone=DefaultSubZone.
>>>> Call-ID: a1922a193e1b6057 at 10.15.20.113
>>>> <mailto:a1922a193e1b6057 at 10.15.20.113>.
>>>> CSeq: 303 SUBSCRIBE.
>>>> From: <sip:pkelly at test-domain-2.com
>>>> <mailto:sip%3Apkelly at test-domain-2.com>>;tag=359dbb1cb104d434.
>>>> To: <sip:user203 at test-domain.com
>>>> <mailto:sip%3Auser203 at test-domain.com>>;tag=e3eb1f19b04f8e78afd28f643f416b5f-9be8.
>>>> Record-Route: <sip:111.111.8.146:5060;transport=tcp;lr>.
>>>> Record-Route: <sip:111.111.8.146:5061;transport=tls;lr>.
>>>> Record-Route:
>>>> <sip:188.39.51.2:54999;transport=tls;apparent=remove;ds;lr;proxy-call-id=345dee99-7aca-44b4-bf5f-fb1f2e57774a>.
>>>> Expires: 3600.
>>>> Contact: <sip:sa at 222.222.200.79:5060;transport=tcp>
>>>> <mailto:sip:sa at 222.222.200.79:5060;transport=tcp>.
>>>> Server: Test.
>>>> Content-Length: 0.
>>>>
>>>>
>>>> _______________________________________________
>>>> Users mailing list
>>>> Users at lists.opensips.org <mailto:Users at lists.opensips.org>
>>>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>>>
>>>
>>
>>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.opensips.org/pipermail/users/attachments/20150227/388e2c12/attachment-0001.htm>
More information about the Users
mailing list