Hi Pete,
> I am trying to use sofia to implement a stateful SIP proxy. I have a
> question about the sofia API.
>
> When a 200 OK is received, how do I know which INVITE is the 200 OK
> correlates to? How do I match the corresponding INVITE with the
> incoming 200 OK?
>
Actually, sofia-sip already matches the response to the proper outgoing
request sent. Once sofia-sip matches both, it will call the callback
specified in nta_outgoing_tcreate(). The format of the callback is the
following:
int my_response_callback(nta_outgoing_magic_t *magic,
nta_outgoing_t *request,
sip_t const *sip);
* In the callback you already have the original nta_outgoing_t request
you generated. You can even get the request message from the
nta_outgoing_t using nta_outgoing_get_request().
* You also have the magic context you specified in
nta_outgoing_tcreate(), which can be different for each outgoing request
you send.
Cheers,
-Aleksander
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