#include <stdint.h>
#include <stddef.h>
-#include <babeltrace/objects.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;
-
-/*
- * bt_ctf_event_class_create: create an event class.
- *
- * Allocate a new event class of the given name. The creation of an event class
- * sets its reference count to 1. A unique event id is automatically assigned
- * to the event class.
- *
- * @param name Event class name (will be copied).
- *
- * Returns an allocated event class on success, NULL on error.
- */
-extern struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name);
-
-/*
- * bt_ctf_event_class_get_name: Get an event class' name.
- *
- * @param event_class Event class.
- *
- * Returns the event class' name, NULL on error.
- */
-extern const char *bt_ctf_event_class_get_name(
- struct bt_ctf_event_class *event_class);
-
-/*
- * bt_ctf_event_class_get_id: Get an event class' id.
- *
- * @param event_class Event class.
- *
- * Returns the event class' id, a negative value on error.
- */
-extern int64_t bt_ctf_event_class_get_id(
- struct bt_ctf_event_class *event_class);
-
-/*
- * bt_ctf_event_class_set_id: Set an event class' id.
- *
- * Set an event class' id. Must be unique stream-wise.
- * Note that event classes are already assigned a unique id when added to a
- * stream class if none was set explicitly.
- *
- * @param event_class Event class.
- * @param id Event class id.
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_event_class_set_id(
- struct bt_ctf_event_class *event_class, uint32_t id);
-
-/*
- * bt_ctf_event_class_set_attribute: sets an attribute to the event
- * class.
- *
- * Sets an attribute to the event class. The name parameter is copied,
- * whereas the value parameter's reference count is incremented
- * (if the function succeeds).
- *
- * If an attribute exists in the event class for the specified name, it
- * is replaced by the new value.
- *
- * Valid attributes and object types are:
- *
- * - "id": integer object with a value >= 0
- * - "name": string object
- * - "loglevel": integer object with a value >= 0
- * - "model.emf.uri": string object
- *
- * @param event_class Event class.
- * @param name Name of the attribute (will be copied).
- * @param value Value of the attribute.
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_event_class_set_attribute(
- struct bt_ctf_event_class *event_class, const char *name,
- struct bt_object *value);
-
-/*
- * bt_ctf_event_class_get_attribute_count: get the number of attributes
- * in this event class.
- *
- * Get the event class' attribute count.
- *
- * @param event_class Event class.
- *
- * Returns the attribute count, a negative value on error.
- */
-extern int bt_ctf_event_class_get_attribute_count(
- struct bt_ctf_event_class *event_class);
-
-/*
- * bt_ctf_event_class_get_attribute_name: get attribute name.
- *
- * Get an attribute's name. The string's ownership is not
- * transferred to the caller. The string data is valid as long as
- * this event class' attributes are not modified.
- *
- * @param event_class Event class.
- * @param index Index of the attribute.
- *
- * Returns the attribute's name, NULL on error.
- */
-extern const char *
-bt_ctf_event_class_get_attribute_name(
- struct bt_ctf_event_class *event_class, int index);
-
-/*
- * bt_ctf_event_class_get_attribute_value: get attribute value (an object).
- *
- * Get an attribute's value (an object). The returned object's
- * reference count is incremented. When done with the object, the caller
- * must call bt_object_put() on it.
- *
- * @param event_class Event class.
- * @param index Index of the attribute.
- *
- * Returns the attribute's object value, NULL on error.
- */
-extern struct bt_object *
-bt_ctf_event_class_get_attribute_value(struct bt_ctf_event_class *event_class,
- int index);
+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_class_get_attribute_value_by_name: get attribute
- * value (an object) by name.
- *
- * Get an attribute's value (an object) by its name. The returned object's
- * reference count is incremented. When done with the object, the caller
- * must call bt_object_put() on it.
- *
- * @param event_class Event class.
- * @param name Attribute's name
- *
- * Returns the attribute's object value, NULL on error.
- */
-extern struct bt_object *
-bt_ctf_event_class_get_attribute_value_by_name(
- struct bt_ctf_event_class *event_class, const char *name);
+extern struct bt_event_class *bt_event_borrow_class(struct bt_event *event);
-/*
- * bt_ctf_event_class_get_stream_class: Get an event class' stream class.
- *
- * @param event_class Event class.
- *
- * Returns the event class' stream class, NULL on error or if the event class
- * is not associated with a stream class.
- */
-extern struct bt_ctf_stream_class *bt_ctf_event_class_get_stream_class(
- struct bt_ctf_event_class *event_class);
+extern struct bt_packet *bt_event_borrow_packet(struct bt_event *event);
-/*
- * bt_ctf_event_class_get_payload_type: get an event class' payload.
- *
- * Get an event class' payload type.
- *
- * @param event_class Event class.
- *
- * Returns the event class' payload, NULL on error.
- */
-extern struct bt_ctf_field_type *bt_ctf_event_class_get_payload_type(
- struct bt_ctf_event_class *event_class);
+extern struct bt_stream *bt_event_borrow_stream(struct bt_event *event);
-/*
- * bt_ctf_event_class_set_payload_type: set an event class' payload.
- *
- * Set an event class' payload type.
- *
- * @param event_class Event class.
- * @param payload The payload's type (must be a structure).
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_event_class_set_payload_type(
- struct bt_ctf_event_class *event_class,
- struct bt_ctf_field_type *payload);
+extern struct bt_field *bt_event_borrow_header_field(struct bt_event *event);
-/*
- * bt_ctf_event_class_add_field: add a field to an event class.
- *
- * Add a field of type "type" to the event class. The event class will share
- * type's ownership by increasing its reference count. The "name" will be
- * copied.
- *
- * @param event_class Event class.
- * @param type Field type to add to the event class.
- * @param name Name of the new field.
- *
- * Returns 0 on success, a negative value on error.
- *
- * Note: Returns an error if the payload is not a structure.
- */
-extern int bt_ctf_event_class_add_field(struct bt_ctf_event_class *event_class,
- struct bt_ctf_field_type *type,
- const char *name);
+extern int bt_event_move_header(struct bt_event *event,
+ struct bt_event_header_field *header);
-/*
- * bt_ctf_event_class_get_field_count: Get an event class' field count.
- *
- * @param event_class Event class.
- *
- * Returns the event class' field count, a negative value on error.
- *
- * Note: Returns an error if the payload is not a structure.
- */
-extern int bt_ctf_event_class_get_field_count(
- struct bt_ctf_event_class *event_class);
+extern struct bt_field *bt_event_borrow_common_context_field(
+ struct bt_event *event);
-/*
- * bt_ctf_event_class_get_field: Get event class' field type and name by index.
- *
- * @param event_class Event class.
- * @param field_name Pointer to a const char* where the field's name will
- * be returned.
- * @param field_type Pointer to a bt_ctf_field_type* where the field's type will
- * be returned.
- * @param index Index of field.
- *
- * Returns 0 on success, a negative error on value.
- *
- * Note: Returns an error if the payload is not a structure.
- */
-extern int bt_ctf_event_class_get_field(struct bt_ctf_event_class *event_class,
- const char **field_name, struct bt_ctf_field_type **field_type,
- int index);
+extern struct bt_field *bt_event_borrow_specific_context_field(
+ struct bt_event *event);
-/*
- * bt_ctf_event_class_get_field_type_by_name: Get an event class's field by name
- *
- * @param event_class Event class.
- * @param name Name of the field.
- *
- * Returns a field type on success, NULL on error.
- *
- * Note: Returns an error if the payload is not a structure.
- */
-extern struct bt_ctf_field_type *bt_ctf_event_class_get_field_by_name(
- struct bt_ctf_event_class *event_class, const char *name);
+extern struct bt_field *bt_event_borrow_payload_field(struct bt_event *event);
-/*
- * bt_ctf_event_class_get_context_type: Get an event class's context type
- *
- * @param event_class Event class.
- *
- * Returns a field type (a structure) on success, NULL on error.
- */
-extern struct bt_ctf_field_type *bt_ctf_event_class_get_context_type(
- struct bt_ctf_event_class *event_class);
+extern int bt_event_set_default_clock_value(struct bt_event *event,
+ uint64_t value_cycles);
-/*
- * bt_ctf_event_class_set_context_type: Set an event class's context type
- *
- * @param event_class Event class.
- * @param context Event context field type (must be a structure).
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_event_class_set_context_type(
- struct bt_ctf_event_class *event_class,
- struct bt_ctf_field_type *context);
-
-/*
- * bt_ctf_event_class_get and bt_ctf_event_class_put: increment and decrement
- * the event class' reference count.
- *
- * These functions ensure that the event class won't be destroyed while it
- * is in use. The same number of get and put (plus one extra put to
- * release the initial reference done at creation) have to be done to
- * destroy an event class.
- *
- * When the event class' reference count is decremented to 0 by a
- * bt_ctf_event_class_put, the event class is freed.
- *
- * @param event_class Event class.
- */
-extern void bt_ctf_event_class_get(struct bt_ctf_event_class *event_class);
-extern void bt_ctf_event_class_put(struct bt_ctf_event_class *event_class);
-
-/*
- * 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_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);
-
-/*
- * 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);
-
-/*
- * 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);
-
-/*
- * 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);
-
-/*
- * 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);
-
-/*
- * 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);
-
-/*
- * 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);
-
-/*
- * bt_ctf_event_copy: Deep-copy an event.
- *
- * Get an event's deep copy.
- *
- * On success, the returned copy has its reference count set to 1.
- *
- * @param event Event to copy.
- *
- * Returns the deep-copied event on success, NULL on error.
- */
-extern struct bt_ctf_event *bt_ctf_event_copy(struct bt_ctf_event *event);
-
-/*
- * bt_ctf_event_get and bt_ctf_event_put: increment and decrement
- * the event's reference count.
- *
- * These functions ensure that the event won't be destroyed while it
- * is in use. The same number of get and put (plus one extra put to
- * release the initial reference done at creation) have to be done to
- * destroy an event.
- *
- * When the event's reference count is decremented to 0 by a
- * bt_ctf_event_put, the event is freed.
- *
- * @param event Event instance.
- */
-extern void bt_ctf_event_get(struct bt_ctf_event *event);
-extern void bt_ctf_event_put(struct bt_ctf_event *event);
+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