* written to the file.
*/
enum lttng_live_get_one_metadata_status
-lttng_live_get_one_metadata_packet(struct lttng_live_trace *trace, FILE *fp, size_t *reply_len);
+lttng_live_get_one_metadata_packet(struct lttng_live_trace *trace, std::vector<char>& buf);
enum lttng_live_iterator_status
lttng_live_get_next_index(struct lttng_live_msg_iter *lttng_live_msg_iter,