[OpenSIPS-Users] 回复： 回复： 回复： 回复： Dialog Concurrency Control Issue.
Bogdan-Andrei Iancu
bogdan at opensips.org
Tue Jul 15 11:35:29 CEST 2014
Place a xlog message inside the IF statement, to see if you ever get there :
if ($stat(active_dialogs)>=1){
xlog("we have more than 1 call(s) - currently
$stat(active_dialogs) \n");
sl_send_reply("503", "Service Unavailable");
* exit;*
}
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
On 15.07.2014 12:28, jing wrote:
> hi,Bogdan
> I have tried , but it is no change to have exit.
> regards,
>
>
> ------------------ 原始邮件 ------------------
> *发件人:* "Bogdan-Andrei Iancu"<bogdan at opensips.org>;
> *发送时间:* 2014年7月15日(星期二) 下午5:26
> *收件人:* "jing "<605507247 at qq.com>; "users"<users at lists.opensips.org>;
> *主题:* Re: 回复： [OpenSIPS-Users] 回复： 回复： Dialog Concurrency
> Control Issue.
>
> Because you need to have an "exit;" after the sl_send_reply():
>
>
> if ($stat(active_dialogs)>=1){
> sl_send_reply("503", "Service Unavailable");
> * exit;*
> }
>
> Otherwise the script execution will continue.
>
> Regards,
> Bogdan-Andrei Iancu
> OpenSIPS Founder and Developer
> http://www.opensips-solutions.com
> On 15.07.2014 12:19, jing wrote:
>> hi,Bogdan.
>> I just want to limit the total number of active dialog. And now I
>> have 2 questions .
>> I changed the script like this:
>> if (is_method("INVITE")) {
>> xlog("active dialog is $stat(active_dialogs)");
>> xlog("dlgcount is $DLG_count");
>> if ($stat(active_dialogs)>=1){
>> sl_send_reply("503", "Service Unavailable");
>>
>> }
>> # create dialog with timeout
>> if ( !create_dialog("B") ) {
>> send_reply("500","Internal Server Error");
>> exit;
>> }
>> setflag(ACC_DO); # do accounting
>> }
>> Then I started 3 dialog, they were all successful , but no 503 sent.
>> The log showed:
>> active dialog is 2
>> dlgcount is 2
>> I used opensipsctl fifo command to show the dialog statistics, it showed
>> dialog:active_dialogs = 3.
>> 1.what is wrong in my script ?
>> 2. How to end the dialogs which have been active long time ,but have
>> no response.
>> Or is there other way to limit the total number of active dialog?
>> I am a newbie to opensips, would you please tell me more detailed
>> advice?
>> Very thanks!
>> kind regards
>>
>>
>> ------------------ 原始邮 件 ------------------
>> *发件人:* "Bogdan-Andrei Iancu"<bogdan at opensips.org>;
>> *发送时间:* 2014年7月15日(星期二) 下午4:43
>> *收件人:* "users"<users at lists.opensips.org>; "jing "<605507247 at qq.com>;
>> *主题:* Re: [OpenSIPS-Users] 回复： 回复： Dialog Concurrency Control
>> Issue.
>>
>> Hi,
>>
>> I see you added the missing "exit" after the sl_send_reply() and you
>> do create the dialog for each INVITE (hopefully only for the initial
>> ones :) ).
>>
>> What seems to be the exact problem now ?
>>
>> Regards,
>> Bogdan-Andrei Iancu
>> OpenSIPS Founder and Developer
>> http://www.opensips-solutions.com
>> On 15.07.2014 05:21, jing wrote:
>>> hi,Schneur.
>>> Thanks for your advice.
>>> But I did put the check before create_dialog("B") in the original
>>> oprnsips.cfg:
>>> if (is_method("INVITE")) {
>>> xlog("active dialog is $stat(active_dialogs)");
>>> if ($stat(active_dialogs)>=1){
>>> sl_send_reply("503", "Service Unavailable");
>>> exit;
>>> }
>>> # create dialog with timeout
>>> if ( !create_dialog("B") ) {
>>> send_reply("500","Internal Server Error");
>>> exit;
>>> }
>>> setflag(ACC_DO); # do accounting
>>> }
>>>
>>> So what is wrong in the script?
>>> And I still want to know how to judge a call is "active_dialogs"?
>>> Thanks a lot.
>>> regards,
>>> jing
>>> ------------------ 原始邮 件 ------------------
>>> *发件人:* "Schneur Rosenberg";<rosenberg11219 at gmail.com>;
>>> *发送时间:* 2014年7月14日(星期一) 晚上6:25
>>> *收件人:* "OpenSIPS users mailling list"<users at lists.opensips.org>;
>>> *主题:* Re: [OpenSIPS-Users]回复： Dialog Concurrency Control Issue.
>>>
>>> You need to do this before the create_dialog() call
>>>
>>> On Jul 14, 2014 10:33 AM, "jing" <605507247 at qq.com
>>> <mailto:605507247 at qq.com>> wrote:
>>>
>>> Thanks for your reply.But I have another question, I used
>>> active_dialogs in the cfg file as this:
>>> if (is_method("INVITE")) {
>>> if ($stat(active_dialogs)>=1){
>>> sl_send_reply("503", "Service Unavailable");
>>> }
>>> But it seems not right.
>>> I use sipp to test the limit ,but when the value of
>>> active_dialogs aim to the number I set ,
>>> opensips sent 503,but the value of active_dialogssitll increase.
>>> So I want to know how the value of this paramer comefrom.
>>> Or is there something wrong in my cfg document?
>>> regards,
>>> Jing
>>>
>>>
>>> ------------------ 原 始 邮 件 ------------------
>>> *发件人:* "Schneur Rosenberg [via OpenSIPS (Open SIP
>>> Server)]"<[hidden email]
>>> <http://user/SendEmail.jtp?type=node&node=7592371&i=0>>;
>>> *发送时间:* 2014年7月14日(星期一) 下午2:08
>>> *收件人:* "jing "<[hidden email]
>>> <http://user/SendEmail.jtp?type=node&node=7592371&i=1>>;
>>> *主题:* Re: Dialog Concurrency Control Issue.
>>>
>>> Very simple, before creating a new dialog check how many open
>>> dialogs exist.
>>>
>>> On Jul 14, 2014 9:05 AM, "jing" <[hidden email]
>>> <http://user/SendEmail.jtp?type=node&node=7592369&i=0>> wrote:
>>>
>>> hi,Bogdan
>>>
>>>
>>> I want to limit the total number of active dialogs ,what
>>> should I do ?
>>>
>>> I found there are many questions about "Concurrent calls
>>> limitation " based
>>> on per user, it's not what I need.
>>>
>>> I appreciate your advice very much, more detailed the better.
>>>
>>> Thanks,
>>> Regards,
>>> jing
>>>
>>>
>>>
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