Set private port's user data on creation

[babeltrace.git] / include / babeltrace / graph / component-internal.h

diff --git a/include/babeltrace/graph/component-internal.h b/include/babeltrace/graph/component-internal.h
index 4c50ffb95a9cb9657d02d6aae706e1cb5fdd2b54..2308afdd5ea363f2561085d2405133dbb150e70a 100644 (file)
--- a/include/babeltrace/graph/component-internal.h
+++ b/include/babeltrace/graph/component-internal.h
@@ -38,6 +38,14 @@
 #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);
+
+struct bt_component_destroy_listener {
+       bt_component_destroy_listener_func func;
+       void *data;
+};
+
 struct bt_component {
        struct bt_object base;
        struct bt_component_class *class;
@@ -61,6 +69,9 @@ struct bt_component {
        /* Input and output ports (weak references) */
        GPtrArray *input_ports;
        GPtrArray *output_ports;
+
+       /* Array of struct bt_component_destroy_listener */
+       GArray *destroy_listeners;
 };
 
 static inline
@@ -82,6 +93,10 @@ enum bt_component_status bt_component_accept_port_connection(
                struct bt_component *component, struct bt_port *self_port,
                struct bt_port *other_port);
 
+BT_HIDDEN
+void bt_component_port_connected(struct bt_component *comp,
+               struct bt_port *self_port, struct bt_port *other_port);
+
 BT_HIDDEN
 void bt_component_port_disconnected(struct bt_component *comp,
                struct bt_port *port);
@@ -91,37 +106,47 @@ void bt_component_set_graph(struct bt_component *component,
                struct bt_graph *graph);
 
 BT_HIDDEN
-uint64_t bt_component_get_input_port_count(struct bt_component *comp);
+int64_t bt_component_get_input_port_count(struct bt_component *comp);
 
 BT_HIDDEN
-uint64_t bt_component_get_output_port_count(struct bt_component *comp);
+int64_t bt_component_get_output_port_count(struct bt_component *comp);
 
 BT_HIDDEN
-struct bt_port *bt_component_get_input_port_at_index(struct bt_component *comp,
-               int index);
+struct bt_port *bt_component_get_input_port_by_index(struct bt_component *comp,
+               uint64_t index);
 
 BT_HIDDEN
-struct bt_port *bt_component_get_output_port_at_index(struct bt_component *comp,
-               int index);
+struct bt_port *bt_component_get_output_port_by_index(struct bt_component *comp,
+               uint64_t index);
 
 BT_HIDDEN
-struct bt_port *bt_component_get_input_port(struct bt_component *comp,
+struct bt_port *bt_component_get_input_port_by_name(struct bt_component *comp,
                const char *name);
 
 BT_HIDDEN
-struct bt_port *bt_component_get_output_port(struct bt_component *comp,
+struct bt_port *bt_component_get_output_port_by_name(struct bt_component *comp,
                const char *name);
 
 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(
                struct bt_component *component, struct bt_port *port);
 
+BT_HIDDEN
+void bt_component_add_destroy_listener(struct bt_component *component,
+               bt_component_destroy_listener_func func, void *data);
+
+BT_HIDDEN
+void bt_component_remove_destroy_listener(struct bt_component *component,
+               bt_component_destroy_listener_func func, void *data);
+
 #endif /* BABELTRACE_COMPONENT_COMPONENT_INTERNAL_H */