9 Sep
2019
9 Sep
'19
11:43 p.m.
Hello,
we ran into a trouble with sharing variable into reply route...
We are going to match asterisk's uniqueid with rtpengine records like this:
route[from_asterisk]{
$var(UniqueId)=$hdr(X-UniqueId);
$var(rtp_flags) = $var(rtp_flags) + "
label={uid:$var(UniqueId),stream:outgoing} record-call=on";
rtpengine_manage($var(rtp_flags));
}
reply_route[from_pstn]{
rtpengine_manage("replace-origin replace-session-connection ICE=remove
RTP/AVP rtcp-mux-demux label={uid:$var(UniqueId),stream:outgoing");
}
and it doesn't work... The one possible way what we found its using $shv
instead of $var... But its unsecure way, cuz it may confus our bussines
logic...
Do you have any idea how to implement this?
Many thanks!
9 Sep
9 Sep
11:53 p.m.
Hello !
$var is per worker and not shared among workers
I think you can use $avp or $dlg_var !
Cheers
Paolo
Il giorno lun 9 set 2019 alle 22:44 Zhan Bazarov <chiefkeeft(a)gmail.com> ha
scritto:
Hello,
we ran into a trouble with sharing variable into reply route...
We are going to match asterisk's uniqueid with rtpengine records like this:
route[from_asterisk]{
$var(UniqueId)=$hdr(X-UniqueId);
$var(rtp_flags) = $var(rtp_flags) + "
label={uid:$var(UniqueId),stream:outgoing} record-call=on";
rtpengine_manage($var(rtp_flags));
}
reply_route[from_pstn]{
rtpengine_manage("replace-origin replace-session-connection ICE=remove
RTP/AVP rtcp-mux-demux label={uid:$var(UniqueId),stream:outgoing");
}
and it doesn't work... The one possible way what we found its using $shv
instead of $var... But its unsecure way, cuz it may confus our bussines
logic...
Do you have any idea how to implement this?
Many thanks!
_______________________________________________
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10 Sep
10 Sep
12:12 a.m.
Hello Zhan,
$var()s are ephemeral variables intended for use only in the context of
processing a single SIP message. Also, they live in the private memory
("package memory") of a single SIP worker process.
Requests (route) and replies (onreply_route) are different kinds of
messages, and moreover, they are very likely to be handled by different
child processes. So, a $var set in a request route isn't going to show
up in an onreply_route. Furthermore, $vars have a global scope and
aren't individuated to a given SIP message flow (i.e. a transaction).
What you want is to use AVPs:
https://www.kamailio.org/wiki/cookbooks/5.2.x/pseudovariables#avp_id_-_avps
Or their nonscalar cousin, XAVPs.
Either way, these are explicitly transaction-persistent, so they will be
visible from any route that touches a message associated with the
transaction in which they were set. Just use this instead:
$avp(UniqueId) = $hdr(X-UniqueId);
and I think you'll get the behaviour you expect.
-- Alex
On Mon, Sep 09, 2019 at 11:43:27PM +0300, Zhan Bazarov wrote:
Hello,
we ran into a trouble with sharing variable into reply route...
We are going to match asterisk's uniqueid with rtpengine records like this:
route[from_asterisk]{
$var(UniqueId)=$hdr(X-UniqueId);
$var(rtp_flags) = $var(rtp_flags) + "
label={uid:$var(UniqueId),stream:outgoing} record-call=on";
rtpengine_manage($var(rtp_flags));
}
reply_route[from_pstn]{
rtpengine_manage("replace-origin replace-session-connection ICE=remove
RTP/AVP rtcp-mux-demux label={uid:$var(UniqueId),stream:outgoing");
}
and it doesn't work... The one possible way what we found its using $shv
instead of $var... But its unsecure way, cuz it may confus our bussines
logic...
Do you have any idea how to implement this?
Many thanks!
_______________________________________________
Kamailio (SER) - Users Mailing List
sr-users(a)lists.kamailio.org
https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
--
Alex Balashov | Principal | Evariste Systems LLC
Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
1901
days inactive
1901
days old
2 comments
3 participants
participants (3)
-
: Paolo Visintin - Time-Net S.r.l. -
Alex Balashov -
Zhan Bazarov