[SR-Users] cnxcc

Carlos Ruiz Díaz carlos.ruizdiaz at gmail.com
Mon Apr 28 15:13:49 CEST 2014


I'm glad that it worked.

Please don't forget to "git pull" to update your cnxcc copy.

Regards,
Carlos


On Mon, Apr 28, 2014 at 3:17 AM, Andrzej Ciupek
<andrzej.ciupek at hotmail.com>wrote:

> Hello again
>
> It works perfect, I was missing "setflag(DLG_FLAG);" in my main route.
>
> Thank You very much for help.
>
> Greetings
> Andrzej Ciupek
>
> ------------------------------
> From: andrzej.ciupek at hotmail.com
> To: carlos.ruizdiaz at gmail.com
> CC: sr-users at lists.sip-router.org
> Subject: RE: [SR-Users] cnxcc
> Date: Mon, 28 Apr 2014 09:54:30 +0200
>
>
> Hello
>
> You are amazing !!
>
> Your example work perfect, but I have to work with mine cfg, because when
> I use part of Your route into my config it doesn't work like it should.
> I think I have some problems with dialog module, because when I start Your
> script I get:
>
> Apr 28 09:47:31 kamailio /usr/local/sbin/kamailio[3060]: INFO: <script>:
> dialog started
>
> I don't see it using my config, so it looks like dialog module doesn't
> work in my config file in proper way.
> I will let You know when I find a bug in my script.
>
> Now when I have working example it will be easier.
>
> Greetings
> Andrzej Ciupek
>
> ------------------------------
> Date: Sun, 27 Apr 2014 21:29:34 -0500
> Subject: Re: [SR-Users] cnxcc
> From: carlos.ruizdiaz at gmail.com
> To: andrzej.ciupek at hotmail.com
> CC: sr-users at lists.sip-router.org
>
> Kelvin,
>
> can you update your copy and try again? Maybe your problem was related to
> this, or maybe not. In either case, I will try to reproduce your issue
> later this week :).
>
> Regards,
>
>
> On Sun, Apr 27, 2014 at 9:27 PM, Carlos Ruiz Díaz <
> carlos.ruizdiaz at gmail.com> wrote:
>
> Hi Andrzej,
>
> I found a deadlock situation using the script you posted, thanks to an
> unusual way of using the functions that the module exports.
>
> About the script itself: I found a few inconsistencies that would have
> caused a problem with handing the calls even if there was no bug in the
> software. For example:
>
> - if you want to set the maximum amount of calls per user, use the
> function "cnxcc_set_max_channel"
>
> - the "call-shutdown" event route is only executed if the call runs out of
> credit, never for "normal call clearing". For that, use "dialog:end" or
> "dialog:failed" instead.
>
> - you cannot access "$var(client)" from outside the process that created
> it. This means that when the call is killed, "$var(client)" will have a
> NULL value since this event is processed by a completely different process.
> If you want to have this information available everywhere, use a shared
> memory variable instead ($sht).
>
> I created a sample script [1] that applies your requirements in a slightly
> different way:
>
> - it authorizes the call by checking the balance
> - it kills the call when the credit is over
> - it doesn't allow more than one call per customer
>
> [1] https://gist.github.com/caruizdiaz/11359122
>
> In this example I used a shared memory variable, to give you an idea of
> how to persist the customer's ID across processes.
>
> Regards,
> Carlos
>
> -
>
>
>
>
> On Sat, Apr 26, 2014 at 10:34 AM, Carlos Ruiz Díaz <
> carlos.ruizdiaz at gmail.com> wrote:
>
> I did find a bug, using your config script, I will fix it this weekend.
> Try with this configuration file [1].
>
> [1] https://gist.github.com/caruizdiaz/11323017
>
> In summary, you can't use more than one check mechanisms. It has to be
> credit, time or channels, exclusively.
>
> Also, I need to test your config with Kam 4.1. I am using the trunk
> version.
>
> Regards,
>
>
> On Sat, Apr 26, 2014 at 10:23 AM, Andrzej Ciupek <
> andrzej.ciupek at hotmail.com> wrote:
>
>  Yes. I want prepaid subscribers be able to create only one channel to
> prevent frauds for simultaneous calls.
>
> Greetings
> Andrzej Ciupek
>  ------------------------------
> Od: Carlos Ruiz Díaz <carlos.ruizdiaz at gmail.com>
> Wysłano: ‎2014-‎04-‎26 16:42
> Do: Andrzej Ciupek <andrzej.ciupek at hotmail.com>
> DW: Kamailio (SER) - Users Mailing List <sr-users at lists.sip-router.org>
> Temat: Re: [SR-Users] cnxcc
>
>  Hi Andrzej,
>
>  are you trying to setup cnxcc to check both credit and maximum
> simultaneous calls?
>
>  Regards,
>
>
>
> On Sat, Apr 26, 2014 at 9:26 AM, Andrzej Ciupek <
> andrzej.ciupek at hotmail.com> wrote:
>
>  Hello
>
>  I’am using default config with options from an example. It looks like
> event route isn’t execuded after hangup.
>
>  Apr 26 16:26:14 kamailio /usr/local/sbin/kamailio[4611]: INFO: <script>:
> 1000 has 1 call(s)
> Apr 26 16:26:15 kamailio /usr/local/sbin/kamailio[4611]: INFO: <script>:
> 1000 has 1 call(s)
> Apr 26 16:26:16 kamailio /usr/local/sbin/kamailio[4611]: INFO: <script>:
> 1000 has 1 call(s)
> Apr 26 16:26:17 kamailio /usr/local/sbin/kamailio[4611]: INFO: <script>:
> 1000 has 1 call(s)
> Apr 26 16:26:18 kamailio /usr/local/sbin/kamailio[4611]: INFO: <script>:
> 1000 has 1 call(s)
> Apr 26 16:26:19 kamailio /usr/local/sbin/kamailio[4611]: INFO: <script>:
> 1000 has 1 call(s)
> Apr 26 16:26:20 kamailio /usr/local/sbin/kamailio[4611]: INFO: <script>:
> 1000 has 1 call(s)
> Apr 26 16:26:20 kamailio /usr/local/sbin/kamailio[4604]: INFO: <script>:
> Setting up money based credit control
> Apr 26 16:26:20 kamailio /usr/local/sbin/kamailio[4604]: INFO: <script>:
> Setting up channel based credit control
> Apr 26 16:26:20 kamailio /usr/local/sbin/kamailio[4604]: INFO: <script>:
> CNXCC ROUTE: 1000 has 2 call(s)
>
>  kamailio.cfg
>>> # ----- prepaid call controll -----
>
>  #!define DLG_FLAG 28
> #!define CC_FLAG 29
>
>  loadmodule "dialog.so"
>
> modparam("dialog", "hash_size", 2048)
> modparam("dialog", "default_timeout", 3600)
> modparam("dialog", "db_mode", 0)
> modparam("dialog", "dlg_flag", DLG_FLAG)
>
>  modparam("rtimer", "timer", "name=ta;interval=1;mode=1;")
> modparam("rtimer", "exec", "timer=ta;route=SHOW_CHANNEL_COUNT")
>
>  loadmodule "cnxcc.so"
>
> modparam("cnxcc", "dlg_flag", CC_FLAG)
> modparam("cnxcc", "credit_check_period", 1) #check every 1 second
>
>>>> route {
>>>  if (!allow_source_address("2") and !allow_source_address("1")){
>         route(CNXCC);
>         route(PSTN);
>         }
>> }
>
>  route[CNXCC]
> {
>
>          $var(client)            = "1000";
>
>          xlog("L_INFO", "Setting up money based credit control");
>
>          $var(credit)            = "10"; # 10$ of credit
>         $var(cost_per_sec)      = "1";  # 1$ per sec
>         $var(i_pulse)           = "1";  # 1$ to establish the call
>         $var(f_pulse)           = "1";  # 1$ per second
>
>          # if only one call is established, that call should last 9
> seconds.
>
>          if (!cnxcc_set_max_credit("$var(client)",
>                                   "$var(credit)",
>                                   "$var(cost_per_sec)",
>                                   "$var(i_pulse)",
>                                   "$var(f_pulse)")) {
>                 xlog("Error setting up credit control");
>                 return;
>         }
>          $var(count)     = -1;
>
>          if (!cnxcc_get_channel_count("$var(client)", "$var(count)")) {
>                 xlog("Error getting customer's channel count");
>         }
>
>          xlog("L_INFO", "CNXCC ROUTE: $var(client) has $var(count)
> call(s)");
>
>          if ($var(retcode) < -1) {
>                 xlog("Too many channels for customer");
>                 sl_send_reply(403, "Forbidden");
>
>                  if (!cnxcc_terminate_all("$var(client)")) {
>                         xlog("Error terminating customer's calls");
>                 } else {
>                         xlog("Terminating customer's call");
>                 }
>
>                  exit;
>         }
> }
>
>  route[SHOW_CHANNEL_COUNT]
> {
>         $var(count) = @cnxcc.channels["1000"].count;
>         xlog("L_INFO", "1000 has $var(count) call(s)");
> }
>
>  event_route[dialog:failed]
> {
>         xlog("dialog failed");
> }
>
>  event_route[cnxcc:call-shutdown]
> {
>         xlog("L_INFO", "Shutting down channel by callcontroll");
>         xlog("L_INFO", "[$ci]: call killed");
>         $var(count)     = $var(count)-1;
>         if (!cnxcc_get_channel_count("$var(client)", "$var(count)")) {
>                 xlog("Error getting customer's channel count");
>         }
>         xlog("L_INFO", "CNXCC ROUTE: $var(client) has $var(count)
> call(s)");
>         # perform some kind of notification, database update, email
> sending, etc
> }
>
>  Greetings
> Andrzej Ciupek
>
>   *Od:* Carlos Ruiz Díaz <carlos.ruizdiaz at gmail.com>
> *Wysłano:* ‎sobota‎, ‎26‎ ‎kwietnia‎ ‎2014 ‎15‎:‎19
> *Do:* Kamailio (SER) - Users Mailing List <sr-users at lists.sip-router.org>,
> Andrzej Ciupek <andrzej.ciupek at hotmail.com>
>
>  Hi,
>
>  sorry guys, I forgot about this. I will make my own tests and post the
> results.
>
>  Andrzej, can you post the configuration file you are using?
>
>  Regards,
> Carlos
>
>
> On Sat, Apr 26, 2014 at 4:15 AM, Kelvin Chua <kelchy at gmail.com> wrote:
>
> No, I have not yet found the solution for this issue on my setup.
>
> Maybe Carlos can help us out
> On Apr 26, 2014 5:10 PM, "Andrzej Ciupek" <andrzej.ciupek at hotmail.com>
> wrote:
>
>   Hello
>
> Have You solved this issue ?
> I’am using Kamailio 4.1.3 and I’am getting the same results.
>
> Greetings
> Andrzej Ciupek
>
>
> _______________________________________________
> 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
>
>
>
>
>  --
> Carlos
> http://caruizdiaz.com
> http://ngvoice.com
> +52 55 3048 3303
>
>
>
>
>  --
> Carlos
> http://caruizdiaz.com
> http://ngvoice.com
> +52 55 3048 3303
>
>
>
>
> --
> Carlos
> http://caruizdiaz.com
> http://ngvoice.com
> +52 55 3048 3303
>
>
>
>
> --
> Carlos
> http://caruizdiaz.com
> http://ngvoice.com
> +52 55 3048 3303
>
>
>
>
> --
> Carlos
> http://caruizdiaz.com
> http://ngvoice.com
> +52 55 3048 3303
>



-- 
Carlos
http://caruizdiaz.com
http://ngvoice.com
+52 55 3048 3303
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.sip-router.org/pipermail/sr-users/attachments/20140428/d0ddd384/attachment.html>


More information about the sr-users mailing list