#include <babeltrace/ctf-ir/trace.h>
#include <babeltrace/object-internal.h>
#include <babeltrace/babeltrace-internal.h>
-#include <babeltrace/ctf/types.h>
+#include <babeltrace/ctf-ir/trace-internal.h>
+#include <assert.h>
#include <glib.h>
-struct bt_ctf_stream_class {
+struct bt_stream_class {
struct bt_object base;
GString *name;
struct bt_ctf_clock *clock;
- GPtrArray *event_classes; /* Array of pointers to bt_ctf_event_class */
+ GPtrArray *event_classes; /* Array of pointers to bt_event_class */
+ /* event class id (int64_t) to event class */
+ GHashTable *event_classes_ht;
int id_set;
- uint32_t id;
- uint32_t next_event_id;
- uint32_t next_stream_id;
- struct bt_ctf_field_type *packet_context_type;
- struct bt_ctf_field_type *event_header_type;
- struct bt_ctf_field_type *event_context_type;
+ int64_t id;
+ int64_t next_event_id;
+ int64_t next_stream_id;
+ struct bt_field_type *packet_context_type;
+ struct bt_field_type *event_header_type;
+ struct bt_field_type *event_context_type;
int frozen;
int byte_order;
* stream class is _always_ frozen.
*/
int valid;
+
+ /*
+ * Unique clock class mapped to any field type within this
+ * stream class, including all the stream class's event class
+ * field types. This is only set if the stream class is frozen.
+ *
+ * If the stream class is frozen and this is still NULL, it is
+ * still possible that it becomes non-NULL because
+ * bt_stream_class_add_event_class() can add an event class
+ * containing a field type mapped to some clock class. In this
+ * case, this is the mapped clock class, and at this point, both
+ * the new event class and the stream class are frozen, so the
+ * next added event classes are expected to contain field types
+ * which only map to this specific clock class.
+ *
+ * If this is a CTF writer stream class, then this is the
+ * backing clock class of the `clock` member above.
+ */
+ struct bt_clock_class *clock_class;
};
BT_HIDDEN
-void bt_ctf_stream_class_freeze(struct bt_ctf_stream_class *stream_class);
+void bt_stream_class_freeze(struct bt_stream_class *stream_class);
BT_HIDDEN
-int bt_ctf_stream_class_serialize(struct bt_ctf_stream_class *stream_class,
+int bt_stream_class_serialize(struct bt_stream_class *stream_class,
struct metadata_context *context);
BT_HIDDEN
-void bt_ctf_stream_class_set_byte_order(
- struct bt_ctf_stream_class *stream_class, int byte_order);
+void bt_stream_class_set_byte_order(
+ struct bt_stream_class *stream_class, int byte_order);
/* Set stream_class id without checking if the stream class is frozen */
BT_HIDDEN
-int _bt_ctf_stream_class_set_id(struct bt_ctf_stream_class *stream_class,
- uint32_t id);
+void _bt_stream_class_set_id(struct bt_stream_class *stream_class,
+ int64_t id);
+
+BT_HIDDEN
+int bt_stream_class_set_id_no_check(
+ struct bt_stream_class *stream_class, int64_t id);
+
+BT_HIDDEN
+int bt_stream_class_map_clock_class(
+ struct bt_stream_class *stream_class,
+ struct bt_field_type *packet_context_type,
+ struct bt_field_type *event_header_type);
BT_HIDDEN
-int bt_ctf_stream_class_set_id_no_check(
- struct bt_ctf_stream_class *stream_class, uint32_t id);
+int bt_stream_class_validate_single_clock_class(
+ struct bt_stream_class *stream_class,
+ struct bt_clock_class **expected_clock_class);
+
+static inline
+struct bt_trace *bt_stream_class_borrow_trace(
+ struct bt_stream_class *stream_class)
+{
+ assert(stream_class);
+ return (void *) bt_object_borrow_parent(stream_class);
+}
#endif /* BABELTRACE_CTF_IR_STREAM_CLASS_INTERNAL_H */