#include <babeltrace/graph/component-class-internal.h>
#include <babeltrace/graph/port-internal.h>
#include <babeltrace/object-internal.h>
+#include <babeltrace/types.h>
+#include <babeltrace/assert-internal.h>
#include <glib.h>
#include <stdio.h>
-#define DEFAULT_INPUT_PORT_NAME "default"
-#define DEFAULT_OUTPUT_PORT_NAME "default"
-
typedef void (*bt_component_destroy_listener_func)(
struct bt_component *class, void *data);
/* User-defined data */
void *user_data;
- /*
- * Used to protect operations which may only be used during
- * a component's initialization.
- */
- bool initializing;
-
/* Input and output ports (weak references) */
GPtrArray *input_ports;
GPtrArray *output_ports;
/* Array of struct bt_component_destroy_listener */
GArray *destroy_listeners;
+
+ bool initialized;
};
static inline
-struct bt_component *bt_component_from_private(
+struct bt_component *bt_component_borrow_from_private(
struct bt_private_component *private_component)
{
return (void *) private_component;
return (void *) component;
}
+static inline
+struct bt_graph *bt_component_borrow_graph(struct bt_component *comp)
+{
+ BT_ASSERT(comp);
+ return (void *) comp->base.parent;
+}
+
+BT_HIDDEN
+enum bt_component_status bt_component_create(
+ struct bt_component_class *component_class,
+ const char *name, struct bt_component **component);
+
BT_HIDDEN
enum bt_component_status bt_component_accept_port_connection(
struct bt_component *component, struct bt_port *self_port,
BT_HIDDEN
struct bt_port *bt_component_add_input_port(
- struct bt_component *component, const char *name);
+ struct bt_component *component, const char *name,
+ void *user_data);
BT_HIDDEN
struct bt_port *bt_component_add_output_port(
- struct bt_component *component, const char *name);
+ struct bt_component *component, const char *name,
+ void *user_data);
BT_HIDDEN
enum bt_component_status bt_component_remove_port(
void bt_component_remove_destroy_listener(struct bt_component *component,
bt_component_destroy_listener_func func, void *data);
+static inline
+const char *bt_component_status_string(enum bt_component_status status)
+{
+ switch (status) {
+ case BT_COMPONENT_STATUS_OK:
+ return "BT_COMPONENT_STATUS_OK";
+ case BT_COMPONENT_STATUS_END:
+ return "BT_COMPONENT_STATUS_END";
+ case BT_COMPONENT_STATUS_AGAIN:
+ return "BT_COMPONENT_STATUS_AGAIN";
+ case BT_COMPONENT_STATUS_REFUSE_PORT_CONNECTION:
+ return "BT_COMPONENT_STATUS_REFUSE_PORT_CONNECTION";
+ case BT_COMPONENT_STATUS_ERROR:
+ return "BT_COMPONENT_STATUS_ERROR";
+ case BT_COMPONENT_STATUS_UNSUPPORTED:
+ return "BT_COMPONENT_STATUS_UNSUPPORTED";
+ case BT_COMPONENT_STATUS_INVALID:
+ return "BT_COMPONENT_STATUS_INVALID";
+ case BT_COMPONENT_STATUS_NOMEM:
+ return "BT_COMPONENT_STATUS_NOMEM";
+ case BT_COMPONENT_STATUS_NOT_FOUND:
+ return "BT_COMPONENT_STATUS_NOT_FOUND";
+ case BT_COMPONENT_STATUS_GRAPH_IS_CANCELED:
+ return "BT_COMPONENT_STATUS_GRAPH_IS_CANCELED";
+ default:
+ return "(unknown)";
+ }
+}
+
#endif /* BABELTRACE_COMPONENT_COMPONENT_INTERNAL_H */