#include <babeltrace/callbacks-internal.h>
#include <babeltrace/context.h>
#include <babeltrace/context-internal.h>
-#include <babeltrace/ctf/metadata.h>
#include <babeltrace/iterator-internal.h>
#include <babeltrace/iterator.h>
#include <babeltrace/prio_heap.h>
+#include <babeltrace/ctf/metadata.h>
#include <babeltrace/ctf/events.h>
#include <inttypes.h>
return ret;
}
-struct bt_iter *bt_iter_create(struct bt_context *ctx,
+int bt_iter_init(struct bt_iter *iter,
+ struct bt_context *ctx,
struct bt_iter_pos *begin_pos,
struct bt_iter_pos *end_pos)
{
int i, stream_id;
int ret = 0;
- struct bt_iter *iter;
- iter = g_new0(struct bt_iter, 1);
iter->stream_heap = g_new(struct ptr_heap, 1);
iter->end_pos = end_pos;
iter->callbacks = g_array_new(0, 1, sizeof(struct bt_stream_callbacks));
}
}
- return iter;
+ return 0;
error:
heap_free(iter->stream_heap);
error_heap_init:
g_free(iter->stream_heap);
- g_free(iter);
- return NULL;
+ return ret;
}
-void bt_iter_destroy(struct bt_iter *iter)
+struct bt_iter *bt_iter_create(struct bt_context *ctx,
+ struct bt_iter_pos *begin_pos,
+ struct bt_iter_pos *end_pos)
+{
+ struct bt_iter *iter;
+ int ret;
+
+ iter = g_new0(struct bt_iter, 1);
+ ret = bt_iter_init(iter, ctx, begin_pos, end_pos);
+ if (ret) {
+ g_free(iter);
+ return NULL;
+ }
+ return iter;
+}
+
+void bt_iter_fini(struct bt_iter *iter)
{
struct bt_stream_callbacks *bt_stream_cb;
struct bt_callback_chain *bt_chain;
}
bt_context_put(iter->ctx);
+}
+void bt_iter_destroy(struct bt_iter *iter)
+{
+ bt_iter_fini(iter);
g_free(iter);
}
end:
return ret;
}
-
-struct bt_ctf_event *bt_iter_read_ctf_event(struct bt_iter *iter)
-{
- struct ctf_file_stream *file_stream;
- struct bt_ctf_event *ret = &iter->current_ctf_event;
-
- file_stream = heap_maximum(iter->stream_heap);
- if (!file_stream) {
- /* end of file for all streams */
- goto stop;
- }
- ret->stream = &file_stream->parent;
- ret->event = g_ptr_array_index(ret->stream->events_by_id,
- ret->stream->event_id);
-
- if (ret->stream->stream_id > iter->callbacks->len)
- goto end;
-
- process_callbacks(iter, ret->stream);
-
-end:
- return ret;
-stop:
- return NULL;
-}