Hello,
Is it possible to generate a UUID inside the kamailio script? Is there a module available which does this already or do I need to call something external from the script?
Regards,
Grant
Unfortunately, there is no transformation or core function that emits a GUID.
There probably should be one.
On 08/08/2013 09:33 AM, Grant Bagdasarian wrote:
That's too bad. Any idea if this already on the backlog for future Kamailio versions?
I guess the only option left is to use the EXEC module to run the uuidgen command to get a new UUID?
-----Original Message----- From: sr-users-bounces@lists.sip-router.org [mailto:sr-users-bounces@lists.sip-router.org] On Behalf Of Alex Balashov Sent: Thursday, August 8, 2013 3:36 PM To: sr-users@lists.sip-router.org Subject: Re: [SR-Users] Generate UUID in Kamailio Script
Unfortunately, there is no transformation or core function that emits a GUID.
There probably should be one.
On 08/08/2013 09:33 AM, Grant Bagdasarian wrote:
-- Alex Balashov - Principal Evariste Systems LLC 235 E Ponce de Leon Ave Suite 106 Decatur, GA 30030 United States Tel: +1-678-954-0670 Web: http://www.evaristesys.com/, http://www.alexbalashov.com/
_______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users@lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
Yes, but that's a latent performance killer.
Grant Bagdasarian GB@cm.nl wrote:
-- Sent from my mobile, and thus lacking in the refinement one might expect from a fully fledged keyboard.
Alex Balashov - Principal Evariste Systems LLC 235 E Ponce de Leon Ave Suite 106 Decatur, GA 30030 United States Tel: +1-678-954-0670 Web: http://www.evaristesys.com/, http://www.alexbalashov.com
Actually there is a variable giving an unique id for kamailio - just load kex module and use $sruid to get the unique id (it will be a new value for each use of it).
If you have multiple instances of kamailio, then set server_id global parameter to make the values unique across instances.
Cheers, Daniel
On 8/8/13 4:43 PM, Grant Bagdasarian wrote:
Nice!
Thanks!
-----Original Message----- From: sr-users-bounces@lists.sip-router.org [mailto:sr-users-bounces@lists.sip-router.org] On Behalf Of Daniel-Constantin Mierla Sent: Thursday, August 8, 2013 4:50 PM To: Kamailio (SER) - Users Mailing List Subject: Re: [SR-Users] Generate UUID in Kamailio Script
Actually there is a variable giving an unique id for kamailio - just load kex module and use $sruid to get the unique id (it will be a new value for each use of it).
If you have multiple instances of kamailio, then set server_id global parameter to make the values unique across instances.
Cheers, Daniel
On 8/8/13 4:43 PM, Grant Bagdasarian wrote:
-- Daniel-Constantin Mierla - http://www.asipto.com http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
_______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users@lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
Oh, I thought you were looking for a dynamic GUID, not a constant UID for an instance.
Grant Bagdasarian GB@cm.nl wrote:
-- Sent from my mobile, and thus lacking in the refinement one might expect from a fully fledged keyboard.
Alex Balashov - Principal Evariste Systems LLC 235 E Ponce de Leon Ave Suite 106 Decatur, GA 30030 United States Tel: +1-678-954-0670 Web: http://www.evaristesys.com/, http://www.alexbalashov.com
Yeah, I do need a dynamic GUID.
From what I understood from Daniel:
use $sruid to get the unique id (it will be a new value for each use of it).
Does this mean that for each request the $sruid variable returns a new unique id or the same for each kamailio instance?
-----Original Message----- From: sr-users-bounces@lists.sip-router.org [mailto:sr-users-bounces@lists.sip-router.org] On Behalf Of Alex Balashov Sent: Friday, August 9, 2013 11:32 AM To: Kamailio (SER) - Users Mailing List Subject: Re: [SR-Users] Generate UUID in Kamailio Script
Oh, I thought you were looking for a dynamic GUID, not a constant UID for an instance.
Grant Bagdasarian <GB@cm.nlmailto:GB@cm.nl> wrote:
Nice!
Thanks!
-----Original Message-----
From: sr-users-bounces@lists.sip-router.orgmailto:sr-users-bounces@lists.sip-router.org
[mailto:sr-users-bounces@lists.sip-router.org] On Behalf Of
Daniel-Constantin Mierla
Sent: Thursday, August 8, 2013 4:50 PM
To: Kamailio (SER) - Users Mailing List
Subject: Re: [SR-Users] Generate UUID in Kamailio Script
Actually there is a variable giving an unique id for kamailio - just
load kex module and use $sruid to get the unique id (it will be a new
value for each use of it).
If you have multiple instances of kamailio, then set server_id global
parameter to make the values unique across instances.
Cheers,
Daniel
On 8/8/13 4:43 PM, Grant Bagdasarian wrote:
That's too bad. Any idea if this already on the backlog for future
Kamailio versions?
I guess the only option left is to use the EXEC module to run the
uuidgen command to get a new UUID?
-----Original Message-----
From: sr-users-bounces@lists.sip-router.orgmailto:sr-users-bounces@lists.sip-router.org
[mailto:sr-users-bounces@lists.sip-router.org] On Behalf Of Alex
Balashov
Sent: Thursday, August 8, 2013 3:36 PM
To: sr-users@lists.sip-router.orgmailto:sr-users@lists.sip-router.org
Subject: Re: [SR-Users] Generate UUID in Kamailio Script
Unfortunately, there is no transformation or core function that emits
a GUID.
There probably should be one.
On 08/08/2013 09:33 AM, Grant Bagdasarian wrote:
Hello,
Is it possible to generate a UUID inside the kamailio script? Is
there a module available which does this already or do I need to
call
something external from the script?
Regards,
Grant
SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing
list sr-users@lists.sip-router.orgmailto:sr-users@lists.sip-router.org
http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
--
Alex Balashov - Principal
Evariste Systems LLC
235 E Ponce de Leon Ave
Suite 106
Decatur, GA 30030
United States
Tel: +1-678-954-0670
Web: http://www.evaristesys.com/, http://www.alexbalashov.com/
SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing
list sr-users@lists.sip-router.orgmailto:sr-users@lists.sip-router.org
http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing
list sr-users@lists.sip-router.orgmailto:sr-users@lists.sip-router.org
http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
--
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
sr-users@lists.sip-router.orgmailto:sr-users@lists.sip-router.org
http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
sr-users@lists.sip-router.orgmailto:sr-users@lists.sip-router.org
http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
--
Sent from my mobile, and thus lacking in the refinement one might expect from a fully fledged keyboard.
Alex Balashov - Principal
Evariste Systems LLC
235 E Ponce de Leon Ave
Suite 106
Decatur, GA 30030
United States
Tel: +1-678-954-0670
Web: http://www.evaristesys.com/, http://www.alexbalashov.com
_______________________________________________
SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users@lists.sip-router.orgmailto:sr-users@lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
On 8/9/13 1:13 PM, Grant Bagdasarian wrote:
yes, for clarification:
$var(x) = $sruid; $var(y) = $sruid;
the result is that $var(x) != $var(y)
Does this mean that for each request the $sruid variable returns a new unique id or the same for each kamailio instance?
For a better understanding, the value is made of several components: - server_id global parameter, only if set in config and different than 0 (which is default value) - timestamp when kamailio is started - process id for each worker - an incremented value for each sruid (or a random value each time, but this is not exported in config)
The collision across many instances even if server_id is not set is very unlikely. It would require that the instances are started at the same time and the task scheduler gives the same PID values for kamailio processes. But as said, if you have multiple instances, you can just set different server_id values.
Adding the alternative to use values generated by libuuid should not be that hard at all, for what I needed so far, $sruid was never colliding (and again, is very unlikely to happen anyhow).
Cheers, Daniel
-
Alex Balashov -
Daniel-Constantin Mierla -
Grant Bagdasarian