[SR-Users] Dispatcher: ds_is_from_list does not longer populate grp_avp

[Daniel-Constantin Mierla]

Another mismatch of sources and docs, the parameter is expected to be 
'setid_pvname' instead of 'setid_pvar'. I'll update docs.

Cheers,
Daniel

On 8/15/12 12:56 PM, DanB wrote:
> Daniel,
>
> Since we are still in "connected" state, one more (hopefully last) 
> question on this subject:
>
> If I set the "setid_pvar" the configuration does not longer pass 
> checking (just upgraded to latest nightly 3.3.1):
> """
> root at PrxyDev:/etc/sbalancer# kamailio -c -f kamailio.cfg
> loading modules under 
> /usr/lib/kamailio/modules_k/:/usr/lib/kamailio/modules/:/usr/local/lib/kamailio/modules/
>  0(3190) ERROR: <core> [modparam.c:151]: set_mod_param_regex: 
> parameter <setid_pvar> not found in module <dispatcher>
>  0(3190) : <core> [cfg.y:3594]: parse error in config file 
> /usr/local/src/sipean2/trunk/SDev/SBalancer/Kamailio/etc/kamailio/kamailio.cfg, 
> line 73, column 51: Can't set module parameter
> ERROR: bad config file (1 errors)
> root at PrxyDev:/etc/sbalancer# kamailio -V
> version: kamailio 3.3.1 (i386/linux)
> flags: STATS: Off, USE_IPV6, USE_TCP, USE_TLS, TLS_HOOKS, 
> USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, 
> SHM_MMAP, PKG_MALLOC, F_MALLOC, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, 
> USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, 
> HAVE_RESOLV_RES
> ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, 
> MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 4MB
> poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
> id: unknown
> compiled on 03:07:36 Aug 15 2012 with gcc 4.4.5
> """
>
> I define the parameter in the following way:
> """
> modparam("dispatcher", "setid_pvar", "$var(setid)")
> """
>
> Am I missing something again?
>
>
> Thanks,
> DanB
>
> On 08/15/2012 12:52 PM, Daniel-Constantin Mierla wrote:
>> Hello,
>>
>> right, the readme was mistaken. Probably grp_avp was used initially but
>> changed later because it messes up when ds_is_from_list() and
>> ds_select_*() are used for same requests.
>>
>> I committed an update to the readme.
>>
>> Cheers,
>> Daniel
>>
>> On 8/15/12 12:40 PM, DanB wrote:
>>> Daniel,
>>>
>>> My bad, I was reading through the lines :(.
>>>
>>> I now understand that setid_pvar is different than group pvar. I got
>>> the false understanding based on documentation saying:
>>> """
>>> Parameter groupid is optional, when it is missing, then the matching
>>> will be done against all addresses in all groups. Upon a match, the
>>> 'grp_avp' will be set to groupid of matching address.
>>> """
>>>
>>> All clear now, thanks!!!
>>>
>>> DanB
>>>
>>> On 08/15/2012 11:41 AM, Daniel-Constantin Mierla wrote:
>>>> Hello,
>>>>
>>>> there was no change in dispatcher module related to this function 
>>>> since
>>>> 3.3.0. The value of the group id is set to the variable specified 
>>>> by the
>>>> parameter setid_pvar:
>>>>
>>>> http://kamailio.org/docs/modules/stable/modules_k/dispatcher.html#id2495800 
>>>>
>>>>
>>>>
>>>> Very likely you are using the wrong variable which you set as grp_avp
>>>> parameter, based your config snippets.
>>>>
>>>> Cheers,
>>>> Daniel
>>>>
>>>> On 8/15/12 11:30 AM, DanB wrote:
>>>>> Hey Guys,
>>>>>
>>>>> Something I noticed after upgrading Kamailio from 3.3.0 to 3.3.1.
>>>>>
>>>>> Having the following code:
>>>>> """
>>>>> if ds_is_from_list() {
>>>>>   xlog("Request coming from SCloud");
>>>>>   xlog("Checking grp_internal, having: $avp(s:dsgrp)");
>>>>> }
>>>>> """
>>>>>
>>>>> will produce the following output to syslog (dsgrp null instead of
>>>>> group id):
>>>>> """
>>>>> Aug 15 11:24:28 PrxyDev /usr/sbin/kamailio[2818]: ERROR: <script>:
>>>>> Request coming from SCloud
>>>>> Aug 15 11:24:28 PrxyDev /usr/sbin/kamailio[2818]: ERROR: <script>:
>>>>> Checking grp_internal, having: <null>
>>>>> """
>>>>> I have in dispatcher set:
>>>>> modparam("dispatcher", "grp_avp", "$avp(dsgrp)")
>>>>> and I am loading the rules from file.
>>>>>
>>>>> I should mention that this block was working fine before upgrade.
>>>>>
>>>>> Am I doing something wrong?
>>>>>
>>>>> Thanks in advance!
>>>>> DanB
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing 
>>>>> list
>>>>> sr-users at lists.sip-router.org
>>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>>
>>>
>>
>

-- 
Daniel-Constantin Mierla - http://www.asipto.com
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