Refactor the plugin registration and loading machinery

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

diff --git a/include/babeltrace/plugin/plugin-internal.h b/include/babeltrace/plugin/plugin-internal.h
index 96aa692a72da7dfea0ddab8f586f3974c5e468fb..ac0217207bcfca61f068df44cc083d43f151afbc 100644 (file)
--- a/include/babeltrace/plugin/plugin-internal.h
+++ b/include/babeltrace/plugin/plugin-internal.h
@@ -1,5 +1,5 @@
-#ifndef BABELTRACE_PLUGIN_INTERNAL_H
-#define BABELTRACE_PLUGIN__INTERNAL_H
+#ifndef BABELTRACE_PLUGIN_PLUGIN_INTERNAL_H
+#define BABELTRACE_PLUGIN_PLUGIN_INTERNAL_H
 
 /*
  * BabelTrace - Plug-in Internal
@@ -28,42 +28,38 @@
  */
 
 #include <babeltrace/babeltrace-internal.h>
-#include <babeltrace/ref-internal.h>
-#include <babeltrace/plugin/component.h>
-#include <babeltrace/plugin/plugin.h>
+#include <babeltrace/plugin/plugin-dev.h>
+#include <babeltrace/object-internal.h>
+#include <stdbool.h>
 #include <gmodule.h>
 
-/**
- * Plug-ins are owned by bt_component_factory and the bt_component_class-es
- * it provides. This means that its lifetime bound by either the component
- * factory's, or the concrete components' lifetime which may be in use and which
- * have hold a reference to their bt_component_class which, in turn, have a
- * reference to their plugin.
- *
- * This ensures that a plugin's library is not closed while it is being used
- * even if the bt_component_factory which created its components is destroyed.
- */
-struct bt_plugin {
-       struct bt_ref ref;
-       const char *name;
-       const char *author;
-       const char *license;
-        bt_plugin_init_func init;
-       bt_plugin_exit_func exit;
+struct bt_plugin_shared_lib_handle {
+       struct bt_object base;
+       GString *path;
        GModule *module;
+
+       /* True if initialization function was called */
+       bool init_called;
+       bt_plugin_exit_func exit;
 };
 
-BT_HIDDEN
-struct bt_plugin *bt_plugin_create(GModule *module);
+struct bt_plugin {
+       struct bt_object base;
+       bool frozen;
 
-BT_HIDDEN
-enum bt_component_status bt_plugin_register_component_classes(
-               struct bt_plugin *plugin, struct bt_component_factory *factory);
+       /* Owned by this */
+       struct bt_plugin_shared_lib_handle *shared_lib_handle;
 
-BT_HIDDEN
-void bt_plugin_get(struct bt_plugin *plugin);
+       /* Array of pointers to bt_component_class (owned by this) */
+       GPtrArray *comp_classes;
 
-BT_HIDDEN
-void bt_plugin_put(struct bt_plugin *plugin);
+       /* Pointers to plugin's memory: do NOT free */
+       const struct __bt_plugin_descriptor *descriptor;
+       const char *name;
+       const char *author;
+       const char *license;
+       const char *description;
+       bt_plugin_init_func init;
+};
 
-#endif /* BABELTRACE_PLUGIN_COMPONENT_CLASS_INTERNAL_H */
+#endif /* BABELTRACE_PLUGIN_PLUGIN_INTERNAL_H */