BT_LIB_LOGD("Setting event's frozen state: %!+e, is-frozen=%d",
event, is_frozen);
- if (event->header_field) {
- BT_LOGD_STR("Setting event's header field's frozen state.");
- bt_field_set_is_frozen(
- event->header_field->field, is_frozen);
- }
-
if (event->common_context_field) {
BT_LOGD_STR("Setting event's common context field's frozen state.");
bt_field_set_is_frozen(
bt_packet_set_is_frozen(event->packet, is_frozen);
}
-static
-void recycle_event_header_field(struct bt_field_wrapper *field_wrapper,
- struct bt_stream_class *stream_class)
-{
- BT_ASSERT(field_wrapper);
- BT_LIB_LOGD("Recycling event header field: "
- "addr=%p, %![sc-]+S, %![field-]+f", field_wrapper,
- stream_class, field_wrapper->field);
- bt_object_pool_recycle_object(
- &stream_class->event_header_field_pool,
- field_wrapper);
-}
-
-static inline
-struct bt_field_wrapper *create_event_header_field(
- struct bt_stream_class *stream_class)
-{
- struct bt_field_wrapper *field_wrapper = NULL;
-
- field_wrapper = bt_field_wrapper_create(
- &stream_class->event_header_field_pool,
- stream_class->event_header_fc);
- if (!field_wrapper) {
- goto error;
- }
-
- goto end;
-
-error:
- if (field_wrapper) {
- recycle_event_header_field(field_wrapper, stream_class);
- field_wrapper = NULL;
- }
-
-end:
- return field_wrapper;
-}
-
BT_HIDDEN
struct bt_event *bt_event_new(struct bt_event_class *event_class)
{
bt_object_init_unique(&event->base);
stream_class = bt_event_class_borrow_stream_class(event_class);
BT_ASSERT(stream_class);
-
- if (stream_class->event_header_fc) {
- event->header_field = create_event_header_field(stream_class);
- if (!event->header_field) {
- BT_LOGE_STR("Cannot create event header field.");
- goto error;
- }
- }
-
fc = stream_class->event_common_context_fc;
if (fc) {
event->common_context_field = bt_field_create(fc);
return bt_event_borrow_stream((void *) event);
}
-struct bt_field *bt_event_borrow_header_field(struct bt_event *event)
-{
- BT_ASSERT_PRE_NON_NULL(event, "Event");
- return event->header_field ? event->header_field->field : NULL;
-}
-
-const struct bt_field *bt_event_borrow_header_field_const(
- const struct bt_event *event)
-{
- BT_ASSERT_PRE_NON_NULL(event, "Event");
- return event->header_field ? event->header_field->field : NULL;
-}
-
struct bt_field *bt_event_borrow_common_context_field(struct bt_event *event)
{
BT_ASSERT_PRE_NON_NULL(event, "Event");
return event->payload_field;
}
-static
-void release_event_header_field(struct bt_field_wrapper *field_wrapper,
- struct bt_event *event)
-{
- if (!event->class) {
- bt_field_wrapper_destroy(field_wrapper);
- } else {
- struct bt_stream_class *stream_class =
- bt_event_class_borrow_stream_class(event->class);
-
- BT_ASSERT(stream_class);
- recycle_event_header_field(field_wrapper, stream_class);
- }
-}
-
BT_HIDDEN
void bt_event_destroy(struct bt_event *event)
{
BT_ASSERT(event);
BT_LIB_LOGD("Destroying event: %!+e", event);
- if (event->header_field) {
- BT_LOGD_STR("Releasing event's header field.");
- release_event_header_field(event->header_field, event);
- event->header_field = NULL;
- }
-
if (event->common_context_field) {
BT_LOGD_STR("Destroying event's stream event context field.");
bt_field_destroy(event->common_context_field);
{
return bt_event_borrow_packet((void *) event);
}
-
-int bt_event_move_header_field(struct bt_event *event,
- struct bt_event_header_field *header_field)
-{
- struct bt_stream_class *stream_class;
- struct bt_field_wrapper *field_wrapper = (void *) header_field;
-
- BT_ASSERT_PRE_NON_NULL(event, "Event");
- BT_ASSERT_PRE_NON_NULL(field_wrapper, "Header field");
- BT_ASSERT_PRE_EVENT_HOT(event);
- stream_class = bt_event_class_borrow_stream_class_inline(event->class);
- BT_ASSERT_PRE(stream_class->event_header_fc,
- "Stream class has no event header field class: %!+S",
- stream_class);
-
- /* Recycle current header field: always exists */
- BT_ASSERT(event->header_field);
- recycle_event_header_field(event->header_field, stream_class);
-
- /* Move new field */
- event->header_field = field_wrapper;
- return 0;
-}