15 Dec
2005
15 Dec
'05
6:13 a.m.
Hi Bogdan,
why do you need a variable key name?
To generate and store a time- and call-id- (and maybe
tag)-dependent string at first time when a proxy sees
a specific call-id. And to be able to retrieve this
string at later time (possibly from other proxies when
they process messages having this call-id).
Background: add/remove information/headers in the
core network that must not be visible to the UA.
wouldn't this work for you?
avp_printf("i:10", "$hdr(call-id)-$Ts");
avp_pushto("$Myheader","i:10");
Two problems that I see:
1. This stores the attribute on a per-contact base.
In the case of an UA having several concurrent calls
(imho) I can track at most one call.
2. Other proxies can not access this info (as it could
if the call-id-related stuff was written to a DBS
with the call-id as name/key)
The main requirement is thus firstly to have database-
stored AVPs on a per-call base. And, secondly, to be able
to retrieve the AVP values from the DBS when processing
the content of any message belonging to this call, even
by a component that did not generate this AVP.
regards
--Joachim
Joachim Fabini wrote:
Hi,
Is there a way or workaround to generate AVPs with header
values as AVP name? It seems to me that the current AVP
concept defines the AVPs at OpenSER startup, so
header-value-based names are not feasible.
What I need is the following: Store/retrieve a (key,value)
pair where the key is the current message's call-id and
the value some combination of header values and pseudo-
variables.
e.g. use the ops
avp_printf("$hdr(call-id)", "$hdr(call-id)-$Ts");
avp_pushto("$Myheader","$hdr(call-id)");
in order to append the following header to the SIP message:
Myheader: 23459(a)10.0.0.1-4235627623
Any idea how to do this in OpenSER?
thanks in advance
--Joachim
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