#include <babeltrace/lib-logging-internal.h>
#include <babeltrace/assert-pre-internal.h>
+#include <babeltrace/ctf-ir/stream-class-internal.h>
#include <babeltrace/ctf-ir/packet-context-field.h>
#include <babeltrace/ctf-ir/fields-internal.h>
#include <babeltrace/ctf-ir/field-wrapper-internal.h>
struct bt_field_wrapper *field_wrapper = (void *) context_field;
BT_ASSERT_PRE_NON_NULL(field_wrapper, "Packet context field");
- BT_ASSERT_PRE_NON_NULL(field_wrapper->field,
- "Packet context field's field object");
- return (void *) field_wrapper->field;
+ return field_wrapper->field;
}
void bt_packet_context_field_release(struct bt_packet_context_field *context_field)
* Do not recycle because the pool could be destroyed at this
* point. This function is only called when there's an error
* anyway because the goal of a packet context field wrapper is
- * to eventually move it to a packet with bt_packet_move_context()
- * after creating it.
+ * to eventually move it to a packet with
+ * bt_packet_move_context() after creating it.
*/
bt_field_wrapper_destroy(field_wrapper);
}
+
+struct bt_packet_context_field *bt_packet_context_field_create(
+ struct bt_stream_class *stream_class)
+{
+ struct bt_field_wrapper *field_wrapper;
+
+ BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
+ BT_ASSERT_PRE(stream_class->frozen,
+ "Stream class is not part of a trace: %!+S", stream_class);
+ BT_ASSERT_PRE(stream_class->packet_context_ft,
+ "Stream class has no packet context field type: %!+S",
+ stream_class);
+ field_wrapper = bt_field_wrapper_create(
+ &stream_class->packet_context_field_pool,
+ (void *) stream_class->packet_context_ft);
+ if (!field_wrapper) {
+ BT_LIB_LOGE("Cannot allocate one packet context field from stream class: "
+ "%![sc-]+S", stream_class);
+ goto error;
+ }
+
+ BT_ASSERT(field_wrapper->field);
+ bt_stream_class_freeze(stream_class);
+ goto end;
+
+error:
+ if (field_wrapper) {
+ bt_field_wrapper_destroy(field_wrapper);
+ field_wrapper = NULL;
+ }
+
+end:
+ return (void *) field_wrapper;
+}