ir: add attributes support to event classes

[babeltrace.git] / include / babeltrace / ctf-ir / event-internal.h

diff --git a/include/babeltrace/ctf-ir/event-internal.h b/include/babeltrace/ctf-ir/event-internal.h
index ac4cd6de83041946b3d720a04ff93238ddda3fe7..171e7c78474ba91d3b1e5a8b836ad91de18295b7 100644 (file)
--- a/include/babeltrace/ctf-ir/event-internal.h
+++ b/include/babeltrace/ctf-ir/event-internal.h
@@ -31,14 +31,17 @@
 #include <babeltrace/ctf-writer/event-types.h>
 #include <babeltrace/ctf-writer/event-fields.h>
 #include <babeltrace/babeltrace-internal.h>
+#include <babeltrace/objects.h>
 #include <babeltrace/ctf/types.h>
 #include <glib.h>
 
+#define BT_CTF_EVENT_CLASS_ATTR_ID_INDEX       0
+#define BT_CTF_EVENT_CLASS_ATTR_NAME_INDEX     1
+
 struct bt_ctf_event_class {
        struct bt_ctf_ref ref_count;
-       GQuark name;
-       int id_set;
-       uint32_t id;
+       struct bt_object *attributes;
+       /* An event class does not have ownership of a stream class */
        struct bt_ctf_stream_class *stream_class;
        /* Structure type containing the event's context */
        struct bt_ctf_field_type *context;
@@ -49,8 +52,8 @@ struct bt_ctf_event_class {
 
 struct bt_ctf_event {
        struct bt_ctf_ref ref_count;
-       uint64_t timestamp;
        struct bt_ctf_event_class *event_class;
+       struct bt_ctf_field *event_header;
        struct bt_ctf_field *context_payload;
        struct bt_ctf_field *fields_payload;
 };
@@ -66,6 +69,11 @@ BT_HIDDEN
 int bt_ctf_event_class_serialize(struct bt_ctf_event_class *event_class,
                struct metadata_context *context);
 
+BT_HIDDEN
+void bt_ctf_event_class_set_native_byte_order(
+               struct bt_ctf_event_class *event_class,
+               int byte_order);
+
 BT_HIDDEN
 int bt_ctf_event_validate(struct bt_ctf_event *event);
 
@@ -73,10 +81,16 @@ BT_HIDDEN
 int bt_ctf_event_serialize(struct bt_ctf_event *event,
                struct ctf_stream_pos *pos);
 
+/*
+ * Attempt to populate the "id" and "timestamp" fields of the event header if
+ * they are present, unset and their types are integers.
+ *
+ * Not finding these fields or encountering unexpected types is not an error
+ * since the user may have defined a different event header layout. In this
+ * case, it is expected that the fields be manually populated before appending
+ * an event to a stream.
+ */
 BT_HIDDEN
-int bt_ctf_event_set_timestamp(struct bt_ctf_event *event, uint64_t timestamp);
-
-BT_HIDDEN
-uint64_t bt_ctf_event_get_timestamp(struct bt_ctf_event *event);
+int bt_ctf_event_populate_event_header(struct bt_ctf_event *event);
 
 #endif /* BABELTRACE_CTF_IR_EVENT_INTERNAL_H */