GList *
purple_media_candidate_list_copy(GList *candidates)
{
GList *new_list = NULL;
for (; candidates; candidates = g_list_next(candidates)) {
new_list = g_list_prepend(new_list,
purple_media_candidate_copy(candidates->data));
}
new_list = g_list_reverse(new_list);
return new_list;
}
static void
purple_media_new_local_candidate_cb(PurpleMediaBackend *backend,
const gchar *sess_id, const gchar *participant,
PurpleMediaCandidate *candidate, PurpleMedia *media)
{
PurpleMediaSession *session =
purple_media_get_session(media, sess_id);
purple_media_insert_local_candidate(session, participant,
purple_media_candidate_copy(candidate));
g_signal_emit(session->media, purple_media_signals[NEW_CANDIDATE],
0, session->id, participant, candidate);
}
/* callback called when a pair of transport candidates (local and remote)
* has been established */
static void
purple_media_candidate_pair_established_cb(PurpleMediaBackend *backend,
const gchar *sess_id, const gchar *name,
PurpleMediaCandidate *local_candidate,
PurpleMediaCandidate *remote_candidate,
PurpleMedia *media)
{
PurpleMediaStream *stream;
GList *iter;
guint id;
g_return_if_fail(PURPLE_IS_MEDIA(media));
stream = purple_media_get_stream(media, sess_id, name);
id = purple_media_candidate_get_component_id(local_candidate);
iter = stream->active_local_candidates;
for(; iter; iter = g_list_next(iter)) {
PurpleMediaCandidate *c = iter->data;
if (id == purple_media_candidate_get_component_id(c)) {
g_object_unref(c);
stream->active_local_candidates =
g_list_delete_link(iter, iter);
stream->active_local_candidates = g_list_prepend(
stream->active_local_candidates,
purple_media_candidate_copy(
local_candidate));
break;
}
}
if (iter == NULL)
stream->active_local_candidates = g_list_prepend(
stream->active_local_candidates,
purple_media_candidate_copy(
local_candidate));
id = purple_media_candidate_get_component_id(local_candidate);
iter = stream->active_remote_candidates;
for(; iter; iter = g_list_next(iter)) {
PurpleMediaCandidate *c = iter->data;
if (id == purple_media_candidate_get_component_id(c)) {
g_object_unref(c);
stream->active_remote_candidates =
g_list_delete_link(iter, iter);
stream->active_remote_candidates = g_list_prepend(
stream->active_remote_candidates,
purple_media_candidate_copy(
remote_candidate));
break;
}
}
if (iter == NULL)
stream->active_remote_candidates = g_list_prepend(
stream->active_remote_candidates,
purple_media_candidate_copy(
remote_candidate));
g_signal_emit(media, purple_media_signals[CANDIDATE_PAIR_ESTABLISHED],
0, sess_id, name, local_candidate, remote_candidate);
purple_debug_info("media", "candidate pair established\n");
}
