Use $var when you want to manipulate values inside a route block, for
example, when you want to store a value that will live only in the scope of
that route block. When the route block exits, it will be automatically
deallocated.
Use $avp when you want to store a value that you want to read anywhere. It
will live as long as the SIP transaction lives.
- $var is stored in private memory, it is per process. This means that only
the process that created it can read it.
- $avp is stored in shared memory. It can be accessed from any process in
kamailio's process list (childs)
- $var has local route block scope.
- $avp has SIP transaction scope.
- Both $avp and $var are automatically freed.
On Fri, Apr 19, 2013 at 10:50 AM, Victor V. Kustov <coyote(a)bks.tv> wrote:
В Fri, 19 Apr 2013 10:56:26 +0200
"Olle E. Johansson" <oej(a)edvina.net> пишет:
- $avp is stored in transactions (in shared
memory), so if you set
them while processing a request you have them when processing
responses and failures.
is memory freeing automatically or i need to do it myself?
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Victor
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JID: coyote(a)bryansktel.ru
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