+ if ((validation_output.valid_flags & validation_flags) !=
+ validation_flags) {
+ /* Invalid trace/stream class/event class */
+ goto error;
+ }
+
+ /*
+ * At this point we know the trace (if associated to the stream
+ * class), the stream class, and the event class, with their
+ * current types, are valid. We may proceed with creating
+ * the event.
+ */
+ event = g_new0(struct bt_ctf_event, 1);
+ if (!event) {
+ goto error;
+ }
+
+ bt_object_init(event, bt_ctf_event_destroy);
+
+ /*
+ * event does not share a common ancestor with the event class; it has
+ * to guarantee its existence by holding a reference. This reference
+ * shall be released once the event is associated to a stream since,
+ * from that point, the event and its class will share the same
+ * lifetime.
+ */
+ event->event_class = bt_get(event_class);
+ event->clock_values = g_hash_table_new_full(g_direct_hash,
+ g_direct_equal, bt_put, bt_put);
+ event_header =
+ bt_ctf_field_create(validation_output.event_header_type);
+ if (!event_header) {
+ goto error;
+ }
+
+ if (validation_output.stream_event_ctx_type) {
+ stream_event_context = bt_ctf_field_create(
+ validation_output.stream_event_ctx_type);
+ if (!stream_event_context) {
+ goto error;
+ }
+ }
+
+ if (validation_output.event_context_type) {
+ event_context = bt_ctf_field_create(
+ validation_output.event_context_type);
+ if (!event_context) {
+ goto error;
+ }
+ }
+
+ if (validation_output.event_payload_type) {
+ event_payload = bt_ctf_field_create(
+ validation_output.event_payload_type);
+ if (!event_payload) {
+ goto error;
+ }
+ }
+
+ /*
+ * At this point all the fields are created, potentially from
+ * validated copies of field types, so that the field types and
+ * fields can be replaced in the trace, stream class,
+ * event class, and created event.
+ */
+ bt_ctf_validation_replace_types(trace, stream_class,
+ event_class, &validation_output, validation_flags);
+ BT_MOVE(event->event_header, event_header);
+ BT_MOVE(event->stream_event_context, stream_event_context);
+ BT_MOVE(event->context_payload, event_context);
+ BT_MOVE(event->fields_payload, event_payload);
+
+ /*
+ * Put what was not moved in bt_ctf_validation_replace_types().
+ */
+ bt_ctf_validation_output_put_types(&validation_output);
+
+ /*
+ * Freeze the stream class since the event header must not be changed
+ * anymore.
+ */
+ bt_ctf_stream_class_freeze(stream_class);
+
+ /*
+ * Mark stream class, and event class as valid since
+ * they're all frozen now.
+ */
+ stream_class->valid = 1;
+ event_class->valid = 1;
+
+ /* Put stuff we borrowed from the event class */
+ BT_PUT(stream_class);
+ BT_PUT(trace);
+
+ return event;
+
+error:
+ bt_ctf_validation_output_put_types(&validation_output);
+ BT_PUT(event);
+ BT_PUT(stream_class);
+ BT_PUT(trace);
+ BT_PUT(event_header);
+ BT_PUT(stream_event_context);
+ BT_PUT(event_context);
+ BT_PUT(event_payload);
+ assert(!packet_header_type);
+ assert(!packet_context_type);
+ assert(!event_header_type);
+ assert(!stream_event_ctx_type);
+ assert(!event_context_type);
+ assert(!event_payload_type);
+
+ return event;