[OpenSIPS-Users] Can load balancer show total number of call for a gateway

SamyGo govoiper at gmail.com
Sat Sep 8 06:52:42 CEST 2012 

Hi Ali,

Well first of I felt a bit reluctant to reply after reading your reply to
Binan...didn't want to hear something like that for anyone on the list
which I am part of. Neither I wish us to continue this thing further in
this thread.

Ok coming back to the concern, I only know that dispatcher module has
something like grp_avp modparam, which after selecting a destination
gateway sets its group-id in that avp.

If DB query is not required then possible options limit to using the
memcache/redis for storing contents of Load-balancer table and doing a
redis based query. Other option is use FIFO/MI_XMLRPC stuff from a perl
script and have it return to you the group-id of the input gateway address.
Then call the perl script in your config. That won't be as much of a
overhead compared to DB query.

BR
Sammy


On Fri, Sep 7, 2012 at 10:14 PM, Ali Pey <alipey at gmail.com> wrote:

> Hi Sammy,
>
> Thank you for your response and it is a very good suggestion. I'm sorry if
> you felt I was criticizing it.
>
> I know there is a way to increase the number of active call for the load
> balancer module:
>
> set_dlg_profile("lbXchannel","server_id)");
>
> I just don't know how I can get the server_id which is the load_balancer
> table index without doing a DB query.
>
> Thanks again,
> Ali
>
>
> On Fri, Sep 7, 2012 at 12:56 PM, SamyGo <govoiper at gmail.com> wrote:
>
>> Hi,
>>
>> Didn't understand you clearly.
>>
>> When you define a size i.e calls=100 per gateway and you send a call from
>> opensips to that gateway its load becomes 1, and capacity obviously becomes
>> calls=99. Now, When you gateway sends call back and you increment its call
>> count variable $avp(IC_GW1) to 1 AND immediately resize the capacity like
>> calls = calls - 1; The capacity of your gateway become calls=98.
>>
>> On hangup of that Incoming call from gateway you resize the capacity
>> back.
>>
>> Using Dialog module profiling you can do it easily.
>>
>> And as per my understanding of your question this is what you wanted. I
>> am not sure if there is any clean way of doing this w/o going into the
>> load_balancer module code and editing it as per your requirement which will
>> be something like : Link the load_balancer module with the dialog module.
>> Create a modparam like "gw_incoming_call_monitor"= 1 | 0. if its set to 1,
>> internally tell dialog module to count the active incoming calls of each
>> load-balancer gateway and adjust the gateway's "load". I don't think this
>> is much of a big task.
>>
>> Do spare me sir if you didn't like it.
>>
>> Thanks,
>> Sammy
>>
>>
>> On Fri, Sep 7, 2012 at 9:37 PM, Ali Pey <alipey at gmail.com> wrote:
>>
>>> Hi Sammy,
>>>
>>> I rather to be able to see the through number of active calls on a
>>> server than re-sizing the capacity of each server twice for each call. That
>>> will create a mess.
>>>
>>> Regards,
>>> Ali Pey
>>>
>>>
>>> On Fri, Sep 7, 2012 at 12:02 PM, SamyGo <govoiper at gmail.com> wrote:
>>>
>>>> Hi Ali,
>>>>
>>>> No , I said it dialog based profiling of each gateway's incoming calls
>>>> to opensips. Store the call counter for each gateway in any variable, I
>>>> named it $avp(IC_GW1).
>>>> Next is use this:
>>>> http://www.opensips.org/html/docs/modules/1.8.x/load_balancer.html#id250348
>>>> Resize a particular gateway's capacity using simple maths.
>>>>
>>>>
>>>> Thanks,
>>>> Sammy
>>>>
>>>>
>>>> On Fri, Sep 7, 2012 at 8:30 PM, Muhammad Shahzad <
>>>> shaheryarkh at googlemail.com> wrote:
>>>>
>>>>> Can you give more info about your topology, I think everybody is
>>>>> considering following topology,
>>>>>
>>>>> caller -> opensips -> gateway -> opensips -> destination
>>>>>
>>>>> Which means call enter opensips twice, once for leg A and once for leg
>>>>> B. Is that what you have? If yes, then do you want to count leg A and leg B
>>>>> for each call?
>>>>>
>>>>> Thank you.
>>>>>
>>>>>
>>>>> On Fri, Sep 7, 2012 at 5:20 PM, Ali Pey <alipey at gmail.com> wrote:
>>>>>
>>>>>> Hi Binan,
>>>>>>
>>>>>> Sometimes I wish you would read the question before trying to answer.
>>>>>> If you don't have an answer, you don't need to come up with one. No body is
>>>>>> forcing you.
>>>>>>
>>>>>> 1- First of all, how is this related to load balancer modules? As you
>>>>>> can see the title of email is talking about the load balancer module.
>>>>>> 2- All my GW IP addresses are in the database, I don't want to list
>>>>>> them in my config file and evey time these is s change I would have to
>>>>>> change the config file and restart the service.
>>>>>> 3- I need a solution that would integrate with load balacer module
>>>>>> and/or the dialog module so I can use the MI commands and it would be
>>>>>> automatic. What you are saying here doesn't have a real world practice.
>>>>>>
>>>>>> Thanks,
>>>>>> Ali
>>>>>>
>>>>>>
>>>>>> On Fri, Sep 7, 2012 at 5:09 AM, Binan AL Halabi <
>>>>>> binanalhalabi at yahoo.com> wrote:
>>>>>>
>>>>>>> Hi,*
>>>>>>>
>>>>>>> $si* - reference to IP source address of the message
>>>>>>>
>>>>>>>  if ($si==GW1-IP-ADDRESS) {
>>>>>>>      # Incoming call
>>>>>>>      # Increment $avp(IC_GW1)
>>>>>>>
>>>>>>>  }
>>>>>>>
>>>>>>> //Binan
>>>>>>>
>>>>>>> --- On *Thu, 9/6/12, SamyGo <govoiper at gmail.com>* wrote:
>>>>>>>
>>>>>>>
>>>>>>> From: SamyGo <govoiper at gmail.com>
>>>>>>> Subject: Re: [OpenSIPS-Users] Can load balancer show total number of
>>>>>>> call for a gateway
>>>>>>> To: "OpenSIPS users mailling list" <users at lists.opensips.org>
>>>>>>> Date: Thursday, September 6, 2012, 10:25 PM
>>>>>>>
>>>>>>>
>>>>>>> Hi Ali,
>>>>>>>
>>>>>>> AFAIK you can't do this from Load-balancer, but the possible
>>>>>>> solution is use variable $avp(IC_GW1) for each gateway to count the
>>>>>>> incoming calls from particular gateways (Dialogue module based profiling)
>>>>>>> and then see how many calls a gateway has Incoming/Outgoing from/to a
>>>>>>> particular gateway.
>>>>>>>
>>>>>>> The real deal is to communicate the populated incoming calls
>>>>>>> variable to the load-balancer module. (Dynamically increment/decrement a
>>>>>>> g/w capacity based on the $avp(IC_GW1) )
>>>>>>>
>>>>>>> BR
>>>>>>> Sammy
>>>>>>>
>>>>>>>
>>>>>>> On Fri, Sep 7, 2012 at 1:58 AM, Ali Pey <alipey at gmail.com<http://mc/compose?to=alipey@gmail.com>
>>>>>>> > wrote:
>>>>>>>
>>>>>>> Hello,
>>>>>>>
>>>>>>> Let's say I have a sip trunk with 100 channels. The calls come in
>>>>>>> and are distributed to 4 gateways through the load_balancer module. Load
>>>>>>> balancer module can show all active call going to the gateways but not the
>>>>>>> call originated from the gateways to a sip trunk.
>>>>>>>
>>>>>>> If there are outgoing calls from the gateways to the sip trunks,
>>>>>>> those will not be accounted for on the load balancer module. Basically load
>>>>>>> balancer can keep account for number of active calls on one direction.
>>>>>>>
>>>>>>> Is there a way that I can see the total number of active calls on a
>>>>>>> gateway (both incoming and outgoing) through the load balancer module?
>>>>>>>
>>>>>>> Regards,
>>>>>>> Ali Pey
>>>>>>>
>>>>>>>
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>>>>>
>>>>>
>>>>> --
>>>>> Muhammad Shahzad
>>>>> -----------------------------------
>>>>> CISCO Rich Media Communication Specialist (CRMCS)
>>>>> CISCO Certified Network Associate (CCNA)
>>>>> Cell: +92 334 422 40 88
>>>>> MSN: shari_786pk at hotmail.com
>>>>> Email: shaheryarkh at googlemail.com
>>>>>
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