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

[Bogdan-Andrei Iancu]

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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