[OpenSIPS-Users] Problems with goes_to_gw Drouting

[Sven Schulz]

After hitting do_routing, the RURI contains the DNS name of the selected gw.
Because I have the DNS name entered in dr_gateways. If I change the DNS name
in dr_gateways to the correct IP, the goes_to_gw function works.


On 11/2/10 8:34 AM, "Bogdan-Andrei Iancu" <bogdan at voice-system.ro> wrote:

> and when calling goes_to_gw(), what the current RURI contains: the IP or
> the name ?
> 
> Bogdan
> 
> Sven Schulz wrote:
>> Yes that is the correct IP. But the IP address works fine, its the DNS name
>> shown in the output below that doesn't work in goes_to_gw.
>> 
>> 
>> On 11/2/10 5:21 AM, "Bogdan-Andrei Iancu" <bogdan at voice-system.ro> wrote:
>> 
>>   
>>> Hi Sven,
>>> 
>>> So the IP 146.186.136.146 is the correct one you are trying to detect
>>> via goes_to_gw() and does not work? If so, I can provide you a small
>>> patch for extra debugging to doublechecks the checks in goes_to_gw()
>>> 
>>> Regards,
>>> Bogdan
>>> 
>>> Sven Schulz wrote:
>>>     
>>>> Yes I believe Im seeing it resolve when I reload drouting:
>>>> 
>>>> Oct 29 13:22:14 testsipcore1 /sbin/opensips[9313]: DBG:core:get_record:
>>>> lookup(sbcma.sip.psu.edu, 35) failed
>>>> Oct 29 13:22:14 testsipcore1 /sbin/opensips[9313]:
>>>> DBG:core:sip_resolvehost:
>>>> no valid NAPTR record found for sbcma.sip.psu.edu, trying direct SRV
>>>> lookup... 
>>>> Oct 29 13:22:14 testsipcore1 /sbin/opensips[9313]: DBG:core:get_record:
>>>> lookup(_sip._udp.sbcma.sip.psu.edu, 33) failed
>>>> Oct 29 13:22:14 testsipcore1 /sbin/opensips[9313]:
>>>> DBG:core:sip_resolvehost:
>>>> no valid SRV record found for _sip._udp.sbcma.sip.psu.edu, trying A record
>>>> lookup... 
>>>> Oct 29 13:22:14 testsipcore1 /sbin/opensips[9313]: DBG:drouting:add_dst:
>>>> first gw ip addr [146.186.136.146]
>>>> 
>>>> BTW, reloading drouting with 30,000+ routes and debug=6 takes a little
>>>> while
>>>> :)
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> On 10/29/10 11:58 AM, "Bogdan-Andrei Iancu" <bogdan at voice-system.ro> wrote:
>>>> 
>>>>   
>>>>       
>>>>> Hi Sven,
>>>>> 
>>>>> and it debug=6 do you see in the logs the messages I mentioned ?
>>>>> 
>>>>> Regards,
>>>>> Bogdan
>>>>> 
>>>>> Sven Schulz wrote:
>>>>>     
>>>>>         
>>>>>> HI Bogden,
>>>>>> 
>>>>>> I thought this param was enabled by default? But I set it anyways and it
>>>>>> doesn't make a difference.
>>>>>> 
>>>>>> 
>>>>>> On 10/23/10 6:57 AM, "Bogdan-Andrei Iancu" <bogdan at voice-system.ro>
>>>>>> wrote:
>>>>>> 
>>>>>>   
>>>>>>       
>>>>>>           
>>>>>>> Hi Steven,
>>>>>>> 
>>>>>>> do you have enabled the "force_dns" param:
>>>>>>> http://www.opensips.org/html/docs/modules/1.6.x/drouting.html#id294469
>>>>>>> ?
>>>>>>> 
>>>>>>> in latest SVN 1.6.3, in debug mode, you should see some messages (at
>>>>>>> startup) like :
>>>>>>> first gw ip addr [xxxxx]
>>>>>>> additional gw ip addr [xxxx]
>>>>>>> 
>>>>>>> indicating the DNS resolving of GWs defined by names.
>>>>>>> 
>>>>>>> Regards,
>>>>>>> Bogdan
>>>>>>> 
>>>>>>> Sven Schulz wrote:
>>>>>>>     
>>>>>>>         
>>>>>>>            
>>>>>>>> Using opensips 1.6.3 SVN # 7282
>>>>>>>> 
>>>>>>>> 
>>>>>>>> I noticed that if I have a gateway defined in the dr_gateways tables
>>>>>>>> as a hostname, the goes_to_gw function never works (it gets skipped).
>>>>>>>> But if I change that hostname to an IP address, the function works
>>>>>>>> properly. Is this how its supposed to function or is it a bug?
>>>>>>>> 
>>>>>>>> do_routing()
>>>>>>>> if (goes_to_gw("2")) {
>>>>>>>> xlog ("the GW type is 2");
>>>>>>>> setflag(10);
>>>>>>>> route(4);
>>>>>>>> exit;
>>>>>>>> }
>>>>>>>> 
>>>>>>>> For example, the above code only works if the gateway is defined as
>>>>>>>> ³10.1.1.5² not ³test.something.com². The gw type field is always set
>>>>>>>> to ³2².
>>>>>>>> 
>>>>>>>> 
>>>>>>>> Sven Schulz
>>>>>>>> Penn State University
>>>>>>>> Telecommunications and Network Services
>>>>>>>> 814.865.6116
>>>>>>>> sip:sven at psu.edu
>>>>>>>> 
>>>>>>>> 
----------------------------------------------------------------------->>>>>>>>
-
>>>>>>>> 
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