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astobj2: Correct ao2_iterator opacity violations

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This corrects the ao2_iterator opacity violations in
res_pjsip_session.c by adding a global function to get the number of
elements inside the container hidden behind the iterator.

(closes issue ASTERISK-23053)
Review: https://reviewboard.asterisk.org/r/3111/
Reported by: Richard Mudgett
........

Merged revisions 405253 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@405254 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kinsey Moore
2014-01-09 20:34:19 +00:00
parent bce38c0cc5
commit 51901aa2ed
3 changed files with 16 additions and 2 deletions
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9
include/asterisk/astobj2.h
View File

@@ -1933,4 +1933,13 @@ void __ao2_cleanup_debug(void *obj, const char *file, int line, const char *func
#endif
void ao2_iterator_cleanup(struct ao2_iterator *iter);
/*!
* \brief Get a count of the iterated container objects.
*
* \param iter the iterator to query
*
* \retval The number of objects in the iterated container
*/
int ao2_iterator_count(struct ao2_iterator *iter);
#endif /* _ASTERISK_ASTOBJ2_H */

5
main/astobj2.c
View File

@@ -1682,6 +1682,11 @@ void *__ao2_iterator_next(struct ao2_iterator *iter)
return internal_ao2_iterator_next(iter, NULL, __FILE__, __LINE__, __PRETTY_FUNCTION__);
}
int ao2_iterator_count(struct ao2_iterator *iter)
{
return ao2_container_count(iter->c);
}
static void container_destruct(void *_c)
{
struct ao2_container *c = _c;

4
res/res_pjsip_session.c
View File

@@ -471,7 +471,7 @@ static int handle_negotiated_sdp(struct ast_sip_session *session, const pjmedia_
};
successful = ao2_callback(session->media, OBJ_MULTIPLE, handle_negotiated_sdp_session_media, &callback_data);
if (successful && ao2_container_count(successful->c) == ao2_container_count(session->media)) {
if (successful && ao2_iterator_count(successful) == ao2_container_count(session->media)) {
/* Nothing experienced a catastrophic failure */
ast_queue_frame(session->channel, &ast_null_frame);
return 0;
@@ -2026,7 +2026,7 @@ static struct pjmedia_sdp_session *create_local_sdp(pjsip_inv_session *inv, stru
/* Now let the handlers add streams of various types, pjmedia will automatically reorder the media streams for us */
successful = ao2_callback_data(session->media, OBJ_MULTIPLE, add_sdp_streams, local, session);
if (!successful || ao2_container_count(successful->c) != ao2_container_count(session->media)) {
if (!successful || ao2_iterator_count(successful) != ao2_container_count(session->media)) {
/* Something experienced a catastrophic failure */
return NULL;
}