struct bt_ctf_iter *iter;
int ret;
+ if (!ctx)
+ return NULL;
+
iter = g_new0(struct bt_ctf_iter, 1);
ret = bt_iter_init(&iter->parent, ctx, begin_pos, end_pos);
if (ret) {
struct bt_callback_chain *bt_chain;
int i, j;
+ assert(iter);
+
/* free all events callbacks */
if (iter->main_callbacks.callback)
g_array_free(iter->main_callbacks.callback, TRUE);
struct bt_iter *bt_ctf_get_iter(struct bt_ctf_iter *iter)
{
+ if (!iter)
+ return NULL;
+
return &iter->parent;
}
-struct ctf_event_definition *bt_ctf_iter_read_event(struct bt_ctf_iter *iter)
+struct bt_ctf_event *bt_ctf_iter_read_event_flags(struct bt_ctf_iter *iter,
+ int *flags)
{
struct ctf_file_stream *file_stream;
- struct ctf_event_definition *ret = &iter->current_ctf_event;
+ struct bt_ctf_event *ret;
struct ctf_stream_definition *stream;
+ struct packet_index *packet_index;
+
+ /*
+ * We do not want to fail for any other reason than end of
+ * trace, hence the assert.
+ */
+ assert(iter);
+ ret = &iter->current_ctf_event;
file_stream = heap_maximum(iter->parent.stream_heap);
if (!file_stream) {
/* end of file for all streams */
goto stop;
}
stream = &file_stream->parent;
- ret = g_ptr_array_index(stream->events_by_id,
+ ret->parent = g_ptr_array_index(stream->events_by_id,
stream->event_id);
- if (ret->stream->stream_id > iter->callbacks->len)
+ if (flags)
+ *flags = 0;
+ if (!file_stream->pos.packet_cycles_index)
+ packet_index = NULL;
+ else
+ packet_index = &g_array_index(file_stream->pos.packet_cycles_index,
+ struct packet_index, file_stream->pos.cur_index);
+ iter->events_lost = 0;
+ if (packet_index && packet_index->events_discarded >
+ file_stream->pos.last_events_discarded) {
+ if (flags)
+ *flags |= BT_ITER_FLAG_LOST_EVENTS;
+ iter->events_lost += packet_index->events_discarded -
+ file_stream->pos.last_events_discarded;
+ file_stream->pos.last_events_discarded =
+ packet_index->events_discarded;
+ }
+
+ if (ret->parent->stream->stream_id > iter->callbacks->len)
goto end;
- process_callbacks(iter, ret->stream);
+ process_callbacks(iter, ret->parent->stream);
end:
return ret;
stop:
return NULL;
}
+
+struct bt_ctf_event *bt_ctf_iter_read_event(struct bt_ctf_iter *iter)
+{
+ return bt_ctf_iter_read_event_flags(iter, NULL);
+}
+
+uint64_t bt_ctf_get_lost_events_count(struct bt_ctf_iter *iter)
+{
+ if (!iter)
+ return -1ULL;
+
+ return iter->events_lost;
+}