* http://www.efficios.com/ctf
*/
+/* For bt_get() */
+#include <babeltrace/ref.h>
+
#include <stdint.h>
#include <stddef.h>
@sa ctfirevent
*/
struct bt_event;
+struct bt_event_header_field;
struct bt_clock;
struct bt_clock_value;
struct bt_event_class;
On success, the four fields of the created event object are not set. You
can set them with bt_event_set_header(),
bt_event_set_stream_event_context(),
-bt_event_set_event_context(), and bt_event_set_event_payload().
+bt_event_set_context(), and bt_event_set_payload().
This function tries to resolve the needed
\link ctfirfieldtypes CTF IR field type\endlink of the dynamic field
@pre \p event_class has a parent stream class.
@postsuccessrefcountret1
*/
-extern struct bt_event *bt_event_create(
- struct bt_event_class *event_class);
+extern struct bt_event_class *bt_event_borrow_class(struct bt_event *event);
/**
@brief Returns the parent CTF IR event class of the CTF IR event
@postrefcountsame{event}
@postsuccessrefcountretinc
*/
-extern struct bt_event_class *bt_event_get_class(
- struct bt_event *event);
+static inline
+struct bt_event_class *bt_event_get_class(struct bt_event *event)
+{
+ return bt_get(bt_event_borrow_class(event));
+}
+
+extern struct bt_packet *bt_event_borrow_packet(struct bt_event *event);
/**
@brief Returns the CTF IR packet associated to the CTF IR event
@sa bt_event_set_packet(): Associates a given event to a given
packet.
*/
-extern struct bt_packet *bt_event_get_packet(
- struct bt_event *event);
-
-/**
-@brief Associates the CTF IR event \p event to the CTF IR packet
- \p packet.
-
-The \link ctfirstreamclass CTF IR stream class\endlink of the
-parent \link ctfirstream CTF IR stream\endlink of \p packet \em must
-be the same as the parent stream class of the
-\link ctfireventclass CTF IR event class\endlink returned
-by bt_event_get_class() for \p event.
-
-You \em must call this function to create an event-packet association
-before you call bt_notification_event_create() with \p event.
-
-On success, this function also sets the parent stream object of
-\p event to the parent stream of \p packet.
-
-@param[in] event Event to which to associate \p packet.
-@param[in] packet Packet to associate to \p event.
-@returns 0 on success, or a negative value on error.
-
-@prenotnull{event}
-@prenotnull{packet}
-@prehot{event}
-@pre The parent stream class of \p packet is the same as the parent
- stream class of \p event.
-@postsuccessrefcountretinc
+static inline
+struct bt_packet *bt_event_get_packet(struct bt_event *event)
+{
+ return bt_get(bt_event_borrow_packet(event));
+}
-@sa bt_event_get_packet(): Returns the associated packet of a
- given event object.
-*/
-extern int bt_event_set_packet(struct bt_event *event,
- struct bt_packet *packet);
+extern struct bt_stream *bt_event_borrow_stream(struct bt_event *event);
/**
@brief Returns the parent CTF IR stream associated to the CTF IR event
@postrefcountsame{event}
@postsuccessrefcountretinc
*/
-extern struct bt_stream *bt_event_get_stream(
- struct bt_event *event);
+static inline
+struct bt_stream *bt_event_get_stream(struct bt_event *event)
+{
+ return bt_get(bt_event_borrow_stream(event));
+}
/** @} */
@{
*/
-/**
-@brief Returns the stream event header field of the CTF IR event
- \p event.
-
-@param[in] event Event of which to get the stream event header
- field.
-@returns Stream event header field of \p event,
- or \c NULL if the stream event header
- field is not set or on error.
-
-@prenotnull{event}
-@postrefcountsame{event}
-@postsuccessrefcountretinc
-
-@sa bt_event_get_header(): Sets the stream event header
- field of a given event.
-*/
-extern struct bt_field *bt_event_get_header(
- struct bt_event *event);
-
-/**
-@brief Sets the stream event header field of the CTF IR event
- \p event to \p header, or unsets the current stream event header field
- from \p event.
-
-If \p header is not \c NULL, the field type of \p header, as returned by
-bt_field_get_type(), \em must be equivalent to the field type returned by
-bt_stream_class_get_event_header_type() for the parent stream class
-of \p event.
-
-@param[in] event Event of which to set the stream event header
- field.
-@param[in] header Stream event header field.
-@returns 0 on success, or a negative value on error.
-
-@prenotnull{event}
-@prehot{event}
-@pre <strong>\p header, if not \c NULL</strong>, has a field type equivalent to
- the field type returned by bt_stream_class_get_event_header_type()
- for the parent stream class of \p event.
-@postrefcountsame{event}
-@post <strong>On success, if \p header is not \c NULL</strong>,
- the reference count of \p header is incremented.
-
-@sa bt_event_get_header(): Returns the stream event header field
- of a given event.
-*/
-extern int bt_event_set_header(struct bt_event *event,
- struct bt_field *header);
-
-/**
-@brief Returns the stream event context field of the CTF IR event
- \p event.
-
-@param[in] event Event of which to get the stream event context
- field.
-@returns Stream event context field of \p event,
- or \c NULL if the stream event context
- field is not set or on error.
-
-@prenotnull{event}
-@postrefcountsame{event}
-@postsuccessrefcountretinc
-
-@sa bt_event_set_stream_event_context(): Sets the stream event context
- field of a given event.
-*/
-extern struct bt_field *bt_event_get_stream_event_context(
- struct bt_event *event);
-
-/**
-@brief Sets the stream event context field of the CTF IR event
- \p event to \p context, or unsets the current stream event context field
- from \p event.
-
-If \p context is not \c NULL, the field type of \p context, as returned by
-bt_field_get_type(), \em must be equivalent to the field type returned by
-bt_stream_class_get_event_context_type() for the parent stream class
-of \p event.
-
-@param[in] event Event of which to set the stream event context field.
-@param[in] context Stream event context field.
-@returns 0 on success, or a negative value on error.
-
-@prenotnull{event}
-@prehot{event}
-@pre <strong>\p context, if not \c NULL</strong>, has a field type equivalent to
- the field type returned by bt_stream_class_get_event_context_type()
- for the parent stream class of \p event.
-@postrefcountsame{event}
-@post <strong>On success, if \p context is not \c NULL</strong>, the reference
- count of \p context is incremented.
-
-@sa bt_event_get_stream_event_context(): Returns the stream event context
- field of a given event.
-*/
-extern int bt_event_set_stream_event_context(struct bt_event *event,
- struct bt_field *context);
-
-/**
-@brief Returns the event context field of the CTF IR event \p event.
-
-@param[in] event Event of which to get the context field.
-@returns Event context field of \p event, or \c NULL if the
- event context field is not set or on error.
-
-@prenotnull{event}
-@postrefcountsame{event}
-@postsuccessrefcountretinc
-
-@sa bt_event_set_event_context(): Sets the event context field of a given
- event.
-*/
-extern struct bt_field *bt_event_get_event_context(
- struct bt_event *event);
-
-/**
-@brief Sets the event context field of the CTF IR event \p event to \p context,
- or unsets the current event context field from \p event.
-
-If \p context is not \c NULL, the field type of \p context, as returned by
-bt_field_get_type(), \em must be equivalent to the field type returned by
-bt_event_class_get_context_type() for the parent class of \p event.
+extern struct bt_field *bt_event_borrow_header(struct bt_event *event);
-@param[in] event Event of which to set the context field.
-@param[in] context Event context field.
-@returns 0 on success, or a negative value on error.
+extern int bt_event_move_header(struct bt_event *event,
+ struct bt_event_header_field *header);
-@prenotnull{event}
-@prehot{event}
-@pre <strong>\p context, if not \c NULL</strong>, has a field type equivalent to
- the field type returned by bt_event_class_get_context_type() for the
- parent class of \p event.
-@postrefcountsame{event}
-@post <strong>On success, if \p context is not \c NULL</strong>, the reference
- count of \p context is incremented.
-
-@sa bt_event_get_context(): Returns the context field of a given event.
-*/
-extern int bt_event_set_event_context(struct bt_event *event,
- struct bt_field *context);
-
-/**
-@brief Returns the payload field of the CTF IR event \p event.
-
-@param[in] event Event of which to get the payload field.
-@returns Payload field of \p event, or \c NULL if the payload
- field is not set or on error.
-
-@prenotnull{event}
-@postrefcountsame{event}
-@postsuccessrefcountretinc
-
-@sa bt_event_set_event_payload(): Sets the payload field of a given
- event.
-*/
-extern struct bt_field *bt_event_get_event_payload(
+extern struct bt_field *bt_event_borrow_stream_event_context(
struct bt_event *event);
-/**
-@brief Sets the payload field of the CTF IR event \p event to \p payload,
- or unsets the current event payload field from \p event.
-
-If \p payload is not \c NULL, the field type of \p payload, as returned by
-bt_field_get_type(), \em must be equivalent to the field type returned by
-bt_event_class_get_payload_type() for the parent class of \p event.
+extern struct bt_field *bt_event_borrow_context(struct bt_event *event);
-@param[in] event Event of which to set the payload field.
-@param[in] payload Event payload field.
-@returns 0 on success, or a negative value on error.
-
-@prenotnull{event}
-@prehot{event}
-@pre <strong>\p payload, if not \c NULL</strong>, has a field type equivalent to
- the field typereturned by bt_event_class_get_payload_type() for the
- parent class of \p event.
-@postrefcountsame{event}
-@post <strong>On success, if \p payload is not \c NULL</strong>, the reference
- count of \p payload is incremented.
-
-@sa bt_event_get_payload(): Returns the payload field of a given event.
-*/
-extern int bt_event_set_event_payload(struct bt_event *event,
- struct bt_field *payload);
-
-/** @cond DOCUMENT */
-
-/*
- * TODO: Doxygenize.
- *
- * bt_event_get_payload: get an event's field.
- *
- * Returns the field matching "name". bt_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_field *bt_event_get_payload(struct bt_event *event,
- const char *name);
-
-/*
- * TODO: Doxygenize.
- *
- * bt_event_get_payload_by_index: Get event's field by index.
- *
- * Returns the field associated with the provided index. bt_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_field *bt_event_get_payload_by_index(
- struct bt_event *event, uint64_t index);
-
-/*
- * TODO: Doxygenize.
- *
- * bt_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_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_event_set_payload(struct bt_event *event,
- const char *name,
- struct bt_field *value);
-
-/** @endcond */
+extern struct bt_field *bt_event_borrow_payload(struct bt_event *event);
/** @} */
@{
*/
-/**
-@brief Returns the value, as of the CTF IR event \p event, of the
- clock described by the
- \link ctfirclockclass CTF IR clock class\endlink \p clock_class.
-
-@param[in] event Event of which to get the value of the clock
- described by \p clock_class.
-@param[in] clock_class Class of the clock of which to get the value.
-@returns Value of the clock described by \p clock_class
- as of \p event.
-
-@prenotnull{event}
-@prenotnull{clock_class}
-@postrefcountsame{event}
-@postrefcountsame{clock_class}
-@postsuccessrefcountretinc
-
-@sa bt_event_set_clock_value(): Sets the clock value of a given event.
-*/
-extern struct bt_clock_value *bt_event_get_clock_value(
+extern struct bt_clock_value *bt_event_borrow_clock_value(
struct bt_event *event,
struct bt_clock_class *clock_class);
-/**
-@brief Sets the value, as of the CTF IR event \p event, of the
- clock described by its \link ctfirclockclass CTF IR
- clock class\endlink.
-
-@param[in] event Event of which to set the value of the clock
- described by the clock class of \p clock_value.
-@param[in] clock_value Value of the clock described by its clock class
- as of \p event.
-@returns 0 on success, or a negative value on error.
-
-@prenotnull{event}
-@prenotnull{clock_value}
-@prehot{event}
-@postrefcountsame{event}
-
-@sa bt_event_get_clock_value(): Returns the clock value of
- a given event.
-*/
-extern int bt_event_set_clock_value(
- struct bt_event *event,
- struct bt_clock_value *clock_value);
-
/** @} */
/** @} */
-/* Pre-2.0 CTF writer compatibility */
-#define bt_ctf_event bt_event
-#define bt_ctf_event_create bt_event_create
-#define bt_ctf_event_get_payload bt_event_get_payload
-#define bt_ctf_event_set_payload bt_event_set_payload
-
#ifdef __cplusplus
}
#endif