}
bt_ctf_ref_init(&event_class->ref_count);
+ event_class->fields = bt_ctf_field_type_structure_create();
+ if (!event_class->fields) {
+ bt_ctf_event_class_put(event_class);
+ event_class = NULL;
+ goto end;
+ }
+
event_class->name = g_quark_from_string(name);
end:
return event_class;
return stream_class;
}
+struct bt_ctf_field_type *bt_ctf_event_class_get_payload_type(
+ struct bt_ctf_event_class *event_class)
+{
+ struct bt_ctf_field_type *payload = NULL;
+
+ if (!event_class) {
+ goto end;
+ }
+
+ bt_ctf_field_type_get(event_class->fields);
+ payload = event_class->fields;
+end:
+ return payload;
+}
+
+int bt_ctf_event_class_set_payload_type(struct bt_ctf_event_class *event_class,
+ struct bt_ctf_field_type *payload)
+{
+ int ret = 0;
+
+ if (!event_class || !payload) {
+ ret = -1;
+ goto end;
+ }
+
+ bt_ctf_field_type_get(payload);
+ bt_ctf_field_type_put(event_class->fields);
+ event_class->fields = payload;
+end:
+ return ret;
+}
+
int bt_ctf_event_class_add_field(struct bt_ctf_event_class *event_class,
struct bt_ctf_field_type *type,
const char *name)
goto end;
}
- if (!event_class->fields) {
- event_class->fields = bt_ctf_field_type_structure_create();
- if (!event_class->fields) {
- ret = -1;
- goto end;
- }
+ if (bt_ctf_field_type_get_type_id(event_class->fields) !=
+ CTF_TYPE_STRUCT) {
+ ret = -1;
+ goto end;
}
ret = bt_ctf_field_type_structure_add_field(event_class->fields,
goto end;
}
+ if (bt_ctf_field_type_get_type_id(event_class->fields) !=
+ CTF_TYPE_STRUCT) {
+ ret = -1;
+ goto end;
+ }
+
ret = bt_ctf_field_type_structure_get_field_count(event_class->fields);
end:
return ret;
goto end;
}
+ if (bt_ctf_field_type_get_type_id(event_class->fields) !=
+ CTF_TYPE_STRUCT) {
+ ret = -1;
+ goto end;
+ }
+
ret = bt_ctf_field_type_structure_get_field(event_class->fields,
field_name, field_type, index);
end:
goto end;
}
+ if (bt_ctf_field_type_get_type_id(event_class->fields) !=
+ CTF_TYPE_STRUCT) {
+ goto end;
+ }
+
name_quark = g_quark_try_string(name);
if (!name_quark) {
goto end;
int bt_ctf_event_set_payload(struct bt_ctf_event *event,
const char *name,
- struct bt_ctf_field *value)
+ struct bt_ctf_field *payload)
{
int ret = 0;
- if (!event || !value || bt_ctf_validate_identifier(name)) {
+ if (!event || !payload) {
ret = -1;
goto end;
}
- ret = bt_ctf_field_structure_set_field(event->fields_payload,
- name, value);
+ if (name) {
+ ret = bt_ctf_field_structure_set_field(event->fields_payload,
+ name, payload);
+ } else {
+ struct bt_ctf_field_type *payload_type;
+
+ payload_type = bt_ctf_field_get_type(payload);
+ if (payload_type == event->event_class->fields) {
+ bt_ctf_field_put(event->fields_payload);
+ bt_ctf_field_get(payload);
+ event->fields_payload = payload;
+ } else {
+ ret = -1;
+ }
+
+ bt_ctf_field_type_put(payload_type);
+ }
end:
return ret;
}
{
struct bt_ctf_field *field = NULL;
- if (!event || !name) {
+ if (!event) {
goto end;
}
- field = bt_ctf_field_structure_get_field(event->fields_payload, name);
+ if (name) {
+ field = bt_ctf_field_structure_get_field(event->fields_payload,
+ name);
+ } else {
+ field = event->fields_payload;
+ bt_ctf_field_get(field);
+ }
end:
return field;
}
extern struct bt_ctf_stream_class *bt_ctf_event_class_get_stream_class(
struct bt_ctf_event_class *event_class);
+/*
+ * 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);
+
+/*
+ * 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.
+ *
+ * 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);
+
/*
* bt_ctf_event_class_add_field: add a field to an 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,
* @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);
* @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,
* @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);
* returned value.
*
* @param event Event instance.
- * @param name Event field name.
+ * @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_field_put() must be called on the returned value.
*
* @param event Event instance.
- * @param name Event field name.
+ * @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,
* @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);