Move initialization of components to init functions

[babeltrace.git] / include / babeltrace / plugin / plugin.h

diff --git a/include/babeltrace/plugin/plugin.h b/include/babeltrace/plugin/plugin.h
index a8aada4eb3eadf8884437154bd0ee116e192db7c..a8e18499f87c88a4a3663f6ae08fe12871bc2307 100644 (file)
--- a/include/babeltrace/plugin/plugin.h
+++ b/include/babeltrace/plugin/plugin.h
@@ -2,9 +2,10 @@
 #define BABELTRACE_PLUGIN_H
 
 /*
- * BabelTrace - Plug-in
+ * BabelTrace - Babeltrace Plug-in Interface
  *
  * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright 2015 Philippe Proulx <pproulx@efficios.com>
  *
  * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
  *
@@ -27,52 +28,33 @@
  * SOFTWARE.
  */
 
-#include <stdint.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct bt_plugin;
-struct bt_notification;
-
-enum bt_plugin_type {
-       BT_PLUGIN_TYPE_UNKNOWN = -1,
-       /* A source plug-in is a notification generator. */
-       BT_PLUGIN_TYPE_SOURCE = 0,
-       /* A sink plug-in handles incoming notifications. */
-       BT_PLUGIN_TYPE_SINK = 1,
-       /* A filter plug-in implements both SOURCE and SINK interfaces. */
-       BT_PLUGIN_TYPE_FILTER = 2,
-};
-
-typedef void (*bt_plugin_destroy_func)(struct bt_plugin *);
-
-/**
- * Plug-in discovery functions.
- *
- * The Babeltrace plug-in architecture mandates that a given plug-in shared
- * object only define one plug-in. These functions are used to query a about
- * shared object about its attributes.
- *
- * The functions marked as mandatory MUST be exported by the shared object
- * to be considered a valid plug-in.
- */
-/* Plug-in discovery functions... find a better name */
-enum bt_plugin_type bt_plugin_lib_get_type(void);
-const char *bt_plugin_lib_get_format_name(void);
-
-/* TODO: document mandatory fields and their expected types */
-struct bt_plugin *bt_plugin_create(struct bt_ctf_field *params);
-void *bt_plugin_get_user_data(struct bt_plugin *plugin);
-int bt_plugin_set_error_stream(struct bt_plugin *plugin, FILE *error_stream);
-
-/* Refcounting */
-void bt_plugin_get(struct bt_plugin *plugin);
-void bt_plugin_put(struct bt_plugin *plugin);
-
-#ifdef __cplusplus
-}
-#endif
+#include <babeltrace/plugin/component-factory.h>
+
+#define BT_PLUGIN_NAME(_x)     const char *__bt_plugin_name = (_x)
+#define BT_PLUGIN_AUTHOR(_x)   const char *__bt_plugin_author = (_x)
+#define BT_PLUGIN_LICENSE(_x)  const char *__bt_plugin_license = (_x)
+#define BT_PLUGIN_INIT(_x)     void *__bt_plugin_init = (_x)
+#define BT_PLUGIN_EXIT(_x)     void *__bt_plugin_exit = (_x)
+
+#define BT_PLUGIN_COMPONENT_CLASSES_BEGIN                      \
+       enum bt_status __bt_plugin_register_component_classes(\
+               struct bt_component_factory *factory)\
+       {
+
+#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_ENTRY(_name, _init) \
+       bt_component_factory_register_source_component_class(factory, \
+               _name, _init);
+
+#define BT_PLUGIN_SINK_COMPONENT_CLASS_ENTRY(_name, _init) \
+       bt_component_factory_register_sink_component_class(factory, \
+               _name, _init);
+
+#define BT_PLUGIN_COMPONENT_CLASSES_END\
+       \
+       return BT_STATUS_OK;\
+}\
+       \
+       BT_PLUGIN_INIT(__bt_plugin_register_component_classes);\
+       BT_PLUGIN_EXIT(NULL);
 
 #endif /* BABELTRACE_PLUGIN_H */