[OpenSIPS-Users] Dialog ping fails with UDP, mhomed and virtual IP

[Bogdan-Andrei Iancu]

Hi Patrick,

Thanks for testing - I did the backport to 1.11 too.

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 08.10.2014 23:12, Patrick Wakano wrote:
> Hi Bogdan!
> Just tested your patch and it worked!!!
>
> Thanks a lot for your support!!
>
> Patrick
>
> On Wed, Oct 8, 2014 at 6:22 AM, Bogdan-Andrei Iancu 
> <bogdan at opensips.org <mailto:bogdan at opensips.org>> wrote:
>
>     Hi Patrick,
>
>     Shortly, I found a flow in the logic of validating the send socket
>     (the dialog module is forcing an send socket for the OPTIONS,
>     taken from the dialog info).
>
>     I made a fix on trunk/master - see:
>     https://github.com/OpenSIPS/opensips/commit/c95ddd8f282c8809a0fae233bdb57b4dddb3c628.patch
>
>     Could you test to see if this solves your problem ?
>
>     If you need to backport the patch and have problems applying it,
>     just let me know.
>
>     Regards,
>
>     Bogdan-Andrei Iancu
>     OpenSIPS Founder and Developer
>     http://www.opensips-solutions.com
>
>     On 24.09.2014 14:45, Patrick Wakano wrote:
>>     Hello list,
>>
>>     I was having a problem in which my Opensips was not sending the
>>     Options of the dialog ping mechanism. After debuging I found out
>>     that Opensips could not send it because it was not listening to
>>     the primary IP of the interface. I am in a mhomed scenario and
>>     using Linux-HA so the virtual IP managed by the heartbeat is the
>>     one Opensips listens to. If I configured Opensips to listen to
>>     both IPs then the dialog ping works. Also the problem only
>>     happens in UDP, if I use TCP then it works fine too.
>>
>>     I found this thread that may be related, but with the drouting
>>     module:
>>     http://opensips.org/pipermail/users/2013-November/027203.html
>>     So is this an Opensips error in the dialog module or should I
>>     face it as a linux restriction?
>>
>>     The following lines are printed on the log when the dialog ping
>>     fails:
>>      /sbin/opensips[28392]: DBG:dialog:ref_dlg: ref dlg 0xb4e8e37c
>>     with 1 -> 4
>>      /sbin/opensips[28392]: DBG:dialog:send_leg_msg: sending
>>     [OPTIONS] to caller (0)
>>      /sbin/opensips[28392]: DBG:tm:t_uac:
>>     next_hop=<sip:1003m at 100.0.0.50:38283
>>     <http://sip:1003m@100.0.0.50:38283>>
>>      /sbin/opensips[28392]: DBG:core:mk_proxy: doing DNS lookup...
>>      /sbin/opensips[28392]: ERROR:core:get_out_socket: no socket found
>>      /sbin/opensips[28392]: ERROR:tm:t_uac: no corresponding socket
>>     for af 2
>>      /sbin/opensips[28392]: ERROR:dialog:send_leg_msg: failed to send
>>     the in-dialog request
>>      /sbin/opensips[28392]: ERROR:dialog:dlg_ping_routine: failed to
>>     ping caller
>>      /sbin/opensips[28392]: DBG:dialog:unref_dlg: unref dlg
>>     0xb4e8e37c with 1 -> 3 in entry 0xb4d24d74
>>     ....
>>      /sbin/opensips[28392]: DBG:dialog:dlg_ping_routine: dialog
>>     0xb4e8e37c-1537054613 has expired
>>      /sbin/opensips[28392]: DBG:dialog:init_dlg_term_reason: Setting
>>     DLG term reason to [Ping Timeout]
>>      /sbin/opensips[28392]: DBG:dialog:send_leg_bye: sending BYE to
>>     caller (0)
>>      /sbin/opensips[28392]: DBG:dialog:ref_dlg: ref dlg 0xb4e8e37c
>>     with 1 -> 4
>>      /sbin/opensips[28392]: DBG:tm:t_uac:
>>     next_hop=<sip:1003m at 100.0.0.50:38283
>>     <http://sip:1003m@100.0.0.50:38283>>
>>      /sbin/opensips[28392]: DBG:core:mk_proxy: doing DNS lookup...
>>      /sbin/opensips[28392]: ERROR:core:get_out_socket: no socket found
>>      /sbin/opensips[28392]: ERROR:tm:t_uac: no corresponding socket
>>     for af 2
>>      /sbin/opensips[28392]: ERROR:dialog:send_leg_bye: failed to send
>>     the BYE request
>>
>>     Thanks!
>>
>>     Patrick
>>
>>
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>
>

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