Martin Drasar napsal(a):
>> If you want to iterate through each header field in the message, you
>> should start from msg_chain_head(msg) and then proceed in order, e.g.,
>>
>> for (next = msg_chain_head(msg); *next; next = &(*next)->sh_next) {
>> sip_header_t *sh = (*next);
>> msg_hclass_t const *hc = sh->sh_class;
>> if (sip_is_via(sh) {
>> sip_via_t const*via = (sip_via_t *)sh;
>> ....
>> }
>> ...
>> }
>>
>> The list of all the message components ("chain") also includes some
>> non-header elements, like request-line, status-line and message body.
>> There is also some complications with so called "list" headers like
>> Require, their values are combined with their first occurrence, so
>> headers like
>>
>> Require: 100rel
>> Supported: timer
>> Require: xyzzy
>>
>> will have one sip_require_t structure with tokens "100rel" and
>> "xyzzy", one sip_supported_t structure with "timer" and a dummy
>> sip_require_t structure in the chain.
>>
>
> Hi,
> I'm reopening this old thread to ask you a related question.
> I am using nua interface and I would like to extract headers inside my
> nua_callback_f function. Problem is that there is only sip_t as a
> parameter and not msg_t.
> Is there any way to get it using nua interface?
Bump... anyone have an idea please?
Thank you
Martin
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