From agranig@sipwise.com Fri Sep 16 15:19:56 2011
From: Andreas Granig <agranig@sipwise.com>
To: sr-users@lists.kamailio.org
Subject: Re: [SR-Users] wt_timer, delayed replies and sendto error
Date: Fri, 16 Sep 2011 15:19:51 +0200
Message-ID: <4E734CF7.4060809@sipwise.com>
In-Reply-To: <4E73450F.5040303@sipwise.com>
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Me again,

On 09/16/2011 02:46 PM, Andreas Granig wrote:
> And this is what I'd need to add if I got you right:
> 
> # the default reply route used when transaction is already gone
> onreply_route
> {
>   if(reply from inside)
>     force_send_socket(localhost);
>   else
>     force_send_socket(public interface);
> }

I've tried to implement and test this, but there's one issue with it. If
I have mhomed=1, then my injected (out of any transaction) reply hits
this default route and is sent to the next hop (in my case
192.168.51.1:5060) according to the 2nd via header, so this is fine.

However if I set mhomed=0, but still call
force_send_socket(192.168.51.205:5060), I get the same error, like this:

INFO: <script>: Reply without Transaction - S=200 - Alive
F=sip:127.0.0.1:5062 T=sip:foo(a)bar.com:5060 IP=127.0.0.1:5062
ID=44217ae8-30016e50-13c4-197d78a-3921f4fc-db1e9be9

INFO: <script>: Force outbound socket - S=200 - Alive
F=sip:127.0.0.1:5062 T=sip:foo(a)bar.com:5060 IP=127.0.0.1:5062
ID=44217ae8-30016e50-13c4-197d78a-3921f4fc-db1e9be9

ERROR: <core> [udp_server.c:586]: ERROR: udp_send:
sendto(sock,0x980fa8,350,0,192.168.51.1:5060,16): Invalid argument(22)
Sep 16 15:12:25 sp1 /usr/sbin/kamailio[31169]: : <core>
[udp_server.c:591]: CRITICAL: invalid sendtoparameters#012one possible
reason is the server is bound to localhost and#012attempts to send to
the net

ERROR: <core> [forward.h:149]: msg_send: ERROR: udp_send failed

So is there actually a limitation on when I'm allowed to call
force_send_socket()? Any way to force force_send_socket()? :)

Andreas


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