Execution of rlm code when remote server is not responding.

[Arka Sharma]

On Mon, Oct 8, 2012 at 11:41 AM, Arka Sharma <arka.sharma1988 at gmail.com>wrote:

>
>
> On Thu, Sep 27, 2012 at 8:43 PM, Phil Mayers <p.mayers at imperial.ac.uk>wrote:
>
>> On 27/09/12 12:32, Arka Sharma wrote:
>>
>>  Thanks a lot Phil for your reply.Now actually in my rlm code I want to
>>> set a flag to mark the vent of server went down and invoke a java code
>>> using JNI that is part of rlm.
>>>
>>
>> Sorry, I don't understand that. Can you elaborate?
>>
>> It sounds like you have a custom module, written locally?
>>
>> Modules process packets. So you can't run module code in response to a
>> "home server down" event (unless you emit a packet that your module
>> responds to, I guess).
>>
>>
>>  Can you please elaborate.I searched the file "trigger.conf" using "find
>>> / -name trigger.conf" but did not get anything.Do I need to create it by
>>> my own.
>>>
>>
>> As I said, triggers are only available in the "master" git branch. They
>> are not available in the releases code (2.1.x, 2.2.0).
>>
>> You will need to compile and install "master" to get triggers.
>>
>>
>>  In the proxy.conf I have old style realm configuration.Ip's for
>>> authorization and accounting hosts in the realm section.
>>>
>>
>> Sorry, I don't understand why this is relevant.
>>
>>
>>
>>>     It's possible you could do something in the "post-proxy" section
>>>     like so:
>>>
>>>     post-proxy {
>>>        Post-Proxy-Type Fail {
>>>        }
>>>     }
>>>
>>> I was looking into default.original in sites-enabled for this.Can you
>>> give me some examples for this ?
>>>
>>
>> See:
>>
>> https://github.com/alandekok/**freeradius-server/blob/v2.1.x/**
>> raddb/sites-available/robust-**proxy-accounting#L104<https://github.com/alandekok/freeradius-server/blob/v2.1.x/raddb/sites-available/robust-proxy-accounting#L104>
>>
>> You'll still need to find out which server is down, and this is what
>> "radmin" does. I wouldn't bother with this post-proxy stuff - just write a
>> cron job (although maybe you could trigger the cron job from post-proxy,
>> for fast detection).
>>
>> -
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>>
>
>
> Thanks a lot both Phil and Alan for your reply. Now let me put this
> requirement straight. I have freeradius server running on my system which
> takes request from NAS and send Access Request with PPAQ vsa for quota
> update to PPS. PPS replies back with Access-Accept with the updated
> quota.Now for error scenario's that PPS failed to respond,I have to handle
> this scenario for example writing a log or setting a flag.Now I was trying
> to download the master branch for triggers as you said but git is not
> installed in this system, I was also tried with radmin but this involves
> writing a cron. Now more specifically instead of server down I want to
> detect the scenario when PPS failed to respond as Alan suggested and I want
> to detect it in my rlm code.
>
> Regards,
> Arka
>


In my code after adding PPAQ vsa "rad_send()" has been called to send
request to PPS. I have check that the return value of "rad_send" is NULL
then fail to send the proxy request.But I want like to check whether PPS
response is received or not ?

Regards,
Arka
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