- * We don't allow changing the id if the event class has already
- * been added to a stream class.
- */
- ret = -1;
- goto end;
- }
-
- obj = bt_ctf_attributes_get_field_value(event_class->attributes,
- BT_CTF_EVENT_CLASS_ATTR_ID_INDEX);
- if (!obj) {
- goto end;
- }
-
- if (bt_object_integer_set(obj, id)) {
- ret = -1;
- goto end;
- }
-
-end:
- BT_OBJECT_PUT(obj);
-
- return ret;
-}
-
-int bt_ctf_event_class_set_attribute(
- struct bt_ctf_event_class *event_class, const char *name,
- struct bt_object *value)
-{
- int ret = 0;
-
- if (!event_class || !name || !value || event_class->frozen) {
- ret = -1;
- goto end;
- }
-
- if (!strcmp(name, "id") || !strcmp(name, "loglevel")) {
- if (!bt_object_is_integer(value)) {
- ret = -1;
- goto end;
- }
- } else if (!strcmp(name, "name") || !strcmp(name, "model.emf.uri")) {
- if (!bt_object_is_string(value)) {
- ret = -1;
- goto end;
- }
- } else {
- /* unknown attribute */
- ret = -1;
- goto end;
- }
-
- /* "id" special case: >= 0 */
- if (!strcmp(name, "id")) {
- int64_t val;
-
- ret = bt_object_integer_get(value, &val);
-
- if (ret) {
- goto end;
- }
-
- if (val < 0) {
- ret = -1;
- goto end;
- }
- }
-
- ret = bt_ctf_attributes_set_field_value(event_class->attributes,
- name, value);
-
-end:
- return ret;
-}
-
-int bt_ctf_event_class_get_attribute_count(
- struct bt_ctf_event_class *event_class)
-{
- int ret = 0;
-
- if (!event_class) {
- ret = -1;
- goto end;
- }
-
- ret = bt_ctf_attributes_get_count(event_class->attributes);
-
-end:
- return ret;
-}
-
-const char *
-bt_ctf_event_class_get_attribute_name(
- struct bt_ctf_event_class *event_class, int index)
-{
- const char *ret;
-
- if (!event_class) {
- ret = NULL;
- goto end;
- }
-
- ret = bt_ctf_attributes_get_field_name(event_class->attributes, index);
-
-end:
- return ret;
-}
-
-struct bt_object *
-bt_ctf_event_class_get_attribute_value(struct bt_ctf_event_class *event_class,
- int index)
-{
- struct bt_object *ret;
-
- if (!event_class) {
- ret = NULL;
- goto end;
- }
-
- ret = bt_ctf_attributes_get_field_value(event_class->attributes, index);
-
-end:
- return ret;
-}
-
-struct bt_object *
-bt_ctf_event_class_get_attribute_value_by_name(
- struct bt_ctf_event_class *event_class, const char *name)
-{
- struct bt_object *ret;
-
- if (!event_class || !name) {
- ret = NULL;
- goto end;
- }
-
- ret = bt_ctf_attributes_get_field_value_by_name(event_class->attributes,
- name);
-
-end:
- return ret;
-
-}
-
-struct bt_ctf_stream_class *bt_ctf_event_class_get_stream_class(
- struct bt_ctf_event_class *event_class)
-{
- struct bt_ctf_stream_class *stream_class = NULL;
-
- if (!event_class) {
- goto end;
- }
-
- stream_class = event_class->stream_class;
- bt_ctf_stream_class_get(stream_class);
-end:
- 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 ||
- bt_ctf_field_type_get_type_id(payload) != CTF_TYPE_STRUCT) {
- 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)
-{
- int ret = 0;
-
- if (!event_class || !type || bt_ctf_validate_identifier(name) ||
- event_class->frozen) {
- 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,
- type, name);
-end:
- return ret;
-}
-
-int bt_ctf_event_class_get_field_count(
- struct bt_ctf_event_class *event_class)
-{
- int ret;
-
- if (!event_class) {
- 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_get_field_count(event_class->fields);
-end:
- return ret;
-}
-
-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)
-{
- int ret;
-
- if (!event_class || index < 0) {
- 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_get_field(event_class->fields,
- field_name, field_type, index);
-end:
- return ret;
-}
-
-struct bt_ctf_field_type *bt_ctf_event_class_get_field_by_name(
- struct bt_ctf_event_class *event_class, const char *name)
-{
- GQuark name_quark;
- struct bt_ctf_field_type *field_type = NULL;
-
- if (!event_class || !name) {
- 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;
- }
-
- /*
- * No need to increment field_type's reference count since getting it
- * from the structure already does.
- */
- field_type = bt_ctf_field_type_structure_get_field_type_by_name(
- event_class->fields, name);
-end:
- return field_type;
-}
-
-struct bt_ctf_field_type *bt_ctf_event_class_get_context_type(
- struct bt_ctf_event_class *event_class)
-{
- struct bt_ctf_field_type *context_type = NULL;
-
- if (!event_class || !event_class->context) {
- goto end;
- }
-
- bt_ctf_field_type_get(event_class->context);
- context_type = event_class->context;
-end:
- return context_type;
-}
-
-int bt_ctf_event_class_set_context_type(
- struct bt_ctf_event_class *event_class,
- struct bt_ctf_field_type *context)
-{
- int ret = 0;
-
- if (!event_class || !context || event_class->frozen) {
- ret = -1;
- goto end;
- }
-
- if (bt_ctf_field_type_get_type_id(context) != CTF_TYPE_STRUCT) {
- ret = -1;
- goto end;
- }
-
- bt_ctf_field_type_get(context);
- bt_ctf_field_type_put(event_class->context);
- event_class->context = context;
-end:
- return ret;
-
-}
-
-void bt_ctf_event_class_get(struct bt_ctf_event_class *event_class)
-{
- if (!event_class) {
- return;
- }
-
- bt_ctf_ref_get(&event_class->ref_count);
-}
-
-void bt_ctf_event_class_put(struct bt_ctf_event_class *event_class)
-{
- if (!event_class) {
- return;
- }
-
- bt_ctf_ref_put(&event_class->ref_count, bt_ctf_event_class_destroy);
-}
-
-struct bt_ctf_event *bt_ctf_event_create(struct bt_ctf_event_class *event_class)
-{
- int ret;
- struct bt_object *obj = NULL;
- struct bt_ctf_event *event = NULL;
-
- if (!event_class) {
- goto end;
- }
-
- /*
- * The event class does not keep ownership of the stream class to
- * which it as been added. Therefore, it can't assume it has been
- * set. However, we disallow the creation of an event if its
- * associated stream class has been reclaimed.
- */
- if (!event_class->stream_class) {
- goto end;
- }
- assert(event_class->stream_class->event_header_type);
-
- /* set "stream_id" attribute now that we know its value */
- obj = bt_object_integer_create_init(event_class->stream_class->id);
- if (!obj) {
- goto end;