[sr-dev] appending a new branch in route block

[Daniel-Constantin Mierla]

Hello,

On 5/17/10 7:49 AM, Juha Heinanen wrote:
> Juha Heinanen writes:
>
>    
>> another strange thing is, why the branch route is executed only once
>> (for the first t_relay) although the script is calling t_relay() two
>> times and t_on_branch() is called before each call?
>>      
> this was my mistake in the script (there was condition that prevented
> the log message to be printed).  branch route is correctly called both
> times.
>
> still the main issue persists, i.e., how to get rid of the first branch
> to which relaying had failed.  even if i add clear_branches() call to
> next_gw() call, the first branch is still there.  as result the first gw
> to which relaying fails tried twice (first time when it is alone in the
> destination set and second time when it in the destination set together
> with the second gw).
>    

is a second call of next_gw() in route block always appending a branch? 
or is updating the r-uri/dst-uri?

In this case when t_relay failed, transaction is created, probably the 
first branch is set in transaction structure, but to see what is its 
states, need to get into sources...

Cheers,
Daniel

> below is new syslog output, where log in branch route is now always
> active.
>
> -- juha
>
> May 17 08:37:27 localhost /usr/sbin/sip-proxy[14350]: INFO: lcr [lcr_mod.c:1532]: added gw_uri_avp<1|1|00||lohi.tutpro.com|5060||1|320>  with weight<3765048>
> May 17 08:37:27 localhost /usr/sbin/sip-proxy[14350]: INFO: lcr [lcr_mod.c:1532]: added gw_uri_avp<1|1|00||sars.tutpro.com|||2|64>  with weight<2645835>
> May 17 08:37:27 localhost /usr/sbin/sip-proxy[14350]: INFO: Relaying INVITE<sip:00358407058055 at sars.tutpro.com;transport=tcp>  to gw
> May 17 08:37:27 localhost /usr/sbin/sip-proxy[14350]: ERROR: tm [ut.h:295]: ERROR: uri2dst: failed to resolve "sars.tutpro.com" :unresolvable A or AAAA request (-7)
> May 17 08:37:27 localhost /usr/sbin/sip-proxy[14350]: ERROR: tm [t_fwd.c:1391]: ERROR: t_forward_nonack: failure to add branches
> May 17 08:37:27 localhost /usr/sbin/sip-proxy[14350]: ERROR: Relaying failed with result -478
> May 17 08:37:27 localhost /usr/sbin/sip-proxy[14350]: INFO: lcr [lcr_mod.c:1951]: appending branch<sip:00358407058055 at lohi.tutpro.com:5060>
> May 17 08:37:27 localhost /usr/sbin/sip-proxy[14350]: ERROR: found next gw<Contact: sip:00358407058055 at sars.tutpro.com;transport=tcp, sip:00358407058055 at lohi.tutpro.com:5060>
> May 17 08:37:27 localhost /usr/sbin/sip-proxy[14350]: INFO: Relaying INVITE<sip:00358407058055 at sars.tutpro.com;transport=tcp>  to gw
> May 17 08:37:27 localhost /usr/sbin/sip-proxy[14350]: ERROR: tm [ut.h:295]: ERROR: uri2dst: failed to resolve "sars.tutpro.com" :unresolvable A or AAAA request (-7)
> May 17 08:37:27 localhost /usr/sbin/sip-proxy[14350]: INFO: Relaying INVITE<sip:00358407058055 at lohi.tutpro.com:5060>  to gw
> May 17 08:37:27 localhost /usr/sbin/sip-proxy[14350]: ERROR: Relaying succeeded with result 1
> May 17 08:37:32 localhost /usr/sbin/sip-proxy[14394]: WARNING: No more gws for INVITE<sip:00358407058055 at sars.tutpro.com;transport=tcp>  from<sip:test at test.fi>
>
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>    

-- 
Daniel-Constantin Mierla
Kamailio (OpenSER) Advanced Training
Miami, Fl, USA - June 21-23, 2010
http://www.asipto.com/index.php/kamailio-advanced-training/