struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name)
{
int ret;
struct bt_value *obj = NULL;
struct bt_ctf_event_class *event_class = NULL;
if (bt_ctf_validate_identifier(name)) {
goto error;
}
event_class = g_new0(struct bt_ctf_event_class, 1);
if (!event_class) {
goto error;
}
bt_object_init(event_class, bt_ctf_event_class_destroy);
event_class->fields = bt_ctf_field_type_structure_create();
if (!event_class->fields) {
goto error;
}
event_class->attributes = bt_ctf_attributes_create();
if (!event_class->attributes) {
goto error;
}
obj = bt_value_integer_create_init(-1);
if (!obj) {
goto error;
}
ret = bt_ctf_attributes_set_field_value(event_class->attributes,
"id", obj);
if (ret) {
goto error;
}
BT_PUT(obj);
obj = bt_value_string_create_init(name);
if (!obj) {
goto error;
}
ret = bt_ctf_attributes_set_field_value(event_class->attributes,
"name", obj);
if (ret) {
goto error;
}
BT_PUT(obj);
return event_class;
error:
BT_PUT(event_class);
BT_PUT(obj);
return event_class;
}
int bt_ctf_trace_set_environment_field(struct bt_ctf_trace *trace,
const char *name, struct bt_value *value)
{
int ret = 0;
if (!trace || !name || !value ||
bt_ctf_validate_identifier(name) ||
!(bt_value_is_integer(value) || bt_value_is_string(value))) {
ret = -1;
goto end;
}
if (strchr(name, ' ')) {
ret = -1;
goto end;
}
if (trace->frozen) {
/*
* New environment fields may be added to a frozen trace,
* but existing fields may not be changed.
*
* The object passed is frozen like all other attributes.
*/
struct bt_value *attribute =
bt_ctf_attributes_get_field_value_by_name(
trace->environment, name);
if (attribute) {
BT_PUT(attribute);
ret = -1;
goto end;
}
bt_value_freeze(value);
}
ret = bt_ctf_attributes_set_field_value(trace->environment, name,
value);
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;
}
BT_HIDDEN
int bt_ctf_clock_set_name(struct bt_ctf_clock *clock,
const char *name)
{
int ret = 0;
if (bt_ctf_validate_identifier(name)) {
ret = -1;
goto end;
}
if (clock->name) {
g_string_assign(clock->name, name);
} else {
clock->name = g_string_new(name);
if (!clock->name) {
ret = -1;
goto end;
}
}
end:
return ret;
}
