[OpenSIPS-Users] 回复： 回复： 回复： Dialog Concurrency Control Issue.
Bogdan-Andrei Iancu
bogdan at opensips.org
Tue Jul 15 11:26:22 CEST 2014
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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