#include <stdint.h>
#include <stddef.h>
-#include <babeltrace/values.h>
+
+/* For enum bt_clock_value_status */
+#include <babeltrace/ctf-ir/clock-value.h>
#ifdef __cplusplus
extern "C" {
#endif
-struct bt_ctf_event_class;
-struct bt_ctf_event;
-struct bt_ctf_field;
-struct bt_ctf_field_type;
-struct bt_ctf_stream_class;
-struct bt_ctf_packet;
-
-/*
- * bt_ctf_event_create: instanciate an event.
- *
- * Allocate a new event of the given event class. The creation of an event
- * sets its reference count to 1. Each instance shares the ownership of the
- * event class using its reference count.
- *
- * An event class must be associated with a stream class before events
- * may be instanciated.
- *
- * @param event_class Event class.
- *
- * Returns an allocated field type on success, NULL on error.
- */
-extern struct bt_ctf_event *bt_ctf_event_create(
- struct bt_ctf_event_class *event_class);
-
-/*
- * bt_ctf_event_get_class: get an event's class.
- *
- * @param event Event.
- *
- * Returns the event's class, NULL on error.
- */
-extern struct bt_ctf_event_class *bt_ctf_event_get_class(
- struct bt_ctf_event *event);
-
-/*
- * bt_ctf_event_get_stream: get an event's associated stream.
- *
- * @param event Event.
- *
- * Returns the event's associated stream, NULL on error.
- */
-extern struct bt_ctf_stream *bt_ctf_event_get_stream(
- struct bt_ctf_event *event);
-
-/*
- * bt_ctf_event_get_clock: get an event's associated clock.
- *
- * @param event Event.
- *
- * Returns the event's clock, NULL on error.
- */
-extern struct bt_ctf_clock *bt_ctf_event_get_clock(
- struct bt_ctf_event *event);
-
-/*
- * bt_ctf_event_get_payload_field: get an event's payload.
- *
- * @param event Event instance.
- *
- * Returns a field instance on success, NULL on error.
- */
-extern struct bt_ctf_field *bt_ctf_event_get_payload_field(
- struct bt_ctf_event *event);
-
-/*
- * bt_ctf_event_set_payload_field: set an event's payload.
- *
- * @param event Event instance.
- * @param payload Field instance (must be a structure).
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_event_set_payload_field(struct bt_ctf_event *event,
- struct bt_ctf_field *payload);
-
-/*
- * bt_ctf_event_get_payload: get an event's field.
- *
- * Returns the field matching "name". bt_ctf_field_put() must be called on the
- * returned value.
- *
- * @param event Event instance.
- * @param name Event field name, see notes.
- *
- * Returns a field instance on success, NULL on error.
- *
- * Note: Passing a name will cause the function to perform a look-up by
- * name assuming the event's payload is a structure. This will return
- * the raw payload instance if name is NULL.
- */
-extern struct bt_ctf_field *bt_ctf_event_get_payload(struct bt_ctf_event *event,
- const char *name);
+struct bt_event;
+struct bt_event_header_field;
+struct bt_clock_value;
+struct bt_event_class;
+struct bt_field;
+struct bt_packet;
-/*
- * bt_ctf_event_set_payload: set an event's field.
- *
- * Set a manually allocated field as an event's payload. The event will share
- * the field's ownership by using its reference count.
- * bt_ctf_field_put() must be called on the returned value.
- *
- * @param event Event instance.
- * @param name Event field name, see notes.
- * @param value Instance of a field whose type corresponds to the event's field.
- *
- * Returns 0 on success, a negative value on error.
- *
- * Note: The function will return an error if a name is provided and the payload
- * type is not a structure. If name is NULL, the payload field will be set
- * directly and must match the event class' payload's type.
- */
-extern int bt_ctf_event_set_payload(struct bt_ctf_event *event,
- const char *name,
- struct bt_ctf_field *value);
+extern struct bt_event_class *bt_event_borrow_class(struct bt_event *event);
-/*
- * bt_ctf_event_get_payload_by_index: Get event's field by index.
- *
- * Returns the field associated with the provided index. bt_ctf_field_put()
- * must be called on the returned value. The indexes to be provided are
- * the same as can be retrieved from the event class.
- *
- * @param event Event.
- * @param index Index of field.
- *
- * Returns the event's field, NULL on error.
- *
- * Note: Will return an error if the payload's type is not a structure.
- */
-extern struct bt_ctf_field *bt_ctf_event_get_payload_by_index(
- struct bt_ctf_event *event, int index);
+extern struct bt_packet *bt_event_borrow_packet(struct bt_event *event);
-/*
- * bt_ctf_event_get_header: get an event's header.
- *
- * @param event Event instance.
- *
- * Returns a field instance on success, NULL on error.
- */
-extern struct bt_ctf_field *bt_ctf_event_get_header(
- struct bt_ctf_event *event);
+extern struct bt_stream *bt_event_borrow_stream(struct bt_event *event);
-/*
- * bt_ctf_event_set_header: set an event's header.
- *
- * The event header's type must match the stream class' event
- * header type.
- *
- * @param event Event instance.
- * @param header Event header field instance.
- *
- * Returns a field instance on success, NULL on error.
- */
-extern int bt_ctf_event_set_header(
- struct bt_ctf_event *event,
- struct bt_ctf_field *header);
+extern struct bt_field *bt_event_borrow_header_field(struct bt_event *event);
-/*
- * bt_ctf_event_get_event_context: Get an event's context
- *
- * @param event_class Event class.
- *
- * Returns a field on success (a structure), NULL on error.
- *
- * Note: This function is named this way instead of the expected
- * "bt_ctf_event_get_context" in order to work around a name clash with
- * an unrelated function bearing this name in context.h.
- */
-extern struct bt_ctf_field *bt_ctf_event_get_event_context(
- struct bt_ctf_event *event);
+extern int bt_event_move_header(struct bt_event *event,
+ struct bt_event_header_field *header);
-/*
- * bt_ctf_event_set_event_context: Set an event's context
- *
- * @param event Event.
- * @param context Event context field (must match the event class'
- * context type).
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_event_set_event_context(struct bt_ctf_event *event,
- struct bt_ctf_field *context);
+extern struct bt_field *bt_event_borrow_common_context_field(
+ struct bt_event *event);
-/*
- * bt_ctf_event_get_stream_event_context: Get an event's stream event context
- *
- * @param event_class Event class.
- *
- * Returns a field on success (a structure), NULL on error.
- */
-extern struct bt_ctf_field *bt_ctf_event_get_stream_event_context(
- struct bt_ctf_event *event);
+extern struct bt_field *bt_event_borrow_specific_context_field(
+ struct bt_event *event);
-/*
- * bt_ctf_event_set_stream_event_context: Set an event's stream event context
- *
- * @param event Event.
- * @param context Event stream context field (must match the stream class'
- * stream event context type).
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_event_set_stream_event_context(struct bt_ctf_event *event,
- struct bt_ctf_field *context);
+extern struct bt_field *bt_event_borrow_payload_field(struct bt_event *event);
-extern int bt_ctf_event_set_packet(struct bt_ctf_event *event,
- struct bt_ctf_packet *packet);
+extern int bt_event_set_default_clock_value(struct bt_event *event,
+ uint64_t value_cycles);
-extern uint64_t bt_ctf_event_get_clock_value(struct bt_ctf_event *event,
- struct bt_ctf_clock *clock);
+extern enum bt_clock_value_status bt_event_borrow_default_clock_value(
+ struct bt_event *event, struct bt_clock_value **clock_value);
#ifdef __cplusplus
}
projects / babeltrace.git / blobdiff