Replace assert() -> BT_ASSERT() and some preconditions with BT_ASSERT_PRE()

[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 ae08b8b7ddfd61f71d4738210691dc787915cf8d..540faf4c5d5333ce79a1d7a535aee43dab815368 100644 (file)
--- a/include/babeltrace/graph/component-internal.h
+++ b/include/babeltrace/graph/component-internal.h
@@ -32,12 +32,11 @@
 #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);
 
@@ -60,22 +59,18 @@ struct bt_component {
        /* 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;
@@ -88,6 +83,18 @@ struct bt_private_component *bt_private_component_from_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,
@@ -112,28 +119,30 @@ BT_HIDDEN
 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(
@@ -147,4 +156,33 @@ BT_HIDDEN
 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 */