This adds a shared/bass API to set the PA sync state field inside
a Broadcast Receive State characteristic. Notifications are then
sent, to inform all peers about the update.
---
src/shared/bass.c | 34 ++++++++++++++++++++++++++++++++++
src/shared/bass.h | 1 +
2 files changed, 35 insertions(+)
diff --git a/src/shared/bass.c b/src/shared/bass.c
index 70e747700..958b6f788 100644
--- a/src/shared/bass.c
+++ b/src/shared/bass.c
@@ -1732,3 +1732,37 @@ done:
return err;
}
+
+static void bt_bass_notify_all(struct gatt_db_attribute *attr,
+ struct iovec *iov)
+{
+ const struct queue_entry *entry;
+
+ for (entry = queue_get_entries(sessions); entry; entry = entry->next) {
+ struct bt_bass *bass = entry->data;
+
+ gatt_db_attribute_notify(attr, iov->iov_base,
+ iov->iov_len, bt_bass_get_att(bass));
+ }
+}
+
+int bt_bass_set_pa_sync(struct bt_bcast_src *bcast_src, uint8_t sync_state)
+{
+ struct iovec *iov;
+
+ if (!bcast_src)
+ return -EINVAL;
+
+ bcast_src->sync_state = sync_state;
+
+ iov = bass_parse_bcast_src(bcast_src);
+ if (!iov)
+ return -ENOMEM;
+
+ bt_bass_notify_all(bcast_src->attr, iov);
+
+ free(iov->iov_base);
+ free(iov);
+
+ return 0;
+}
diff --git a/src/shared/bass.h b/src/shared/bass.h
index 2ca659cca..a82d8f573 100644
--- a/src/shared/bass.h
+++ b/src/shared/bass.h
@@ -129,3 +129,4 @@ unsigned int bt_bass_cp_handler_register(struct bt_bass *bass,
void *user_data);
bool bt_bass_cp_handler_unregister(struct bt_bass *bass,
unsigned int id);
+int bt_bass_set_pa_sync(struct bt_bcast_src *bcast_src, uint8_t sync_state);
--
2.39.2
