Decouple component class from plugin subsystem, remove component factory

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

diff --git a/include/babeltrace/plugin/plugin.h b/include/babeltrace/plugin/plugin.h
index 8eec84e552e4fb92e456cd6befa33b8865efb6f7..10581984f9519cc69ad08a054a0840a67d492396 100644 (file)
--- a/include/babeltrace/plugin/plugin.h
+++ b/include/babeltrace/plugin/plugin.h
@@ -1,10 +1,11 @@
-#ifndef BABELTRACE_PLUGIN_H
-#define BABELTRACE_PLUGIN_H
+#ifndef BABELTRACE_PLUGIN_PLUGIN_H
+#define BABELTRACE_PLUGIN_PLUGIN_H
 
 /*
  * BabelTrace - Babeltrace Plug-in Interface
  *
  * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
  *
  * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
  *
@@ -27,11 +28,35 @@
  * SOFTWARE.
  */
 
+#include <stddef.h>
+#include <stdbool.h>
+#include <babeltrace/component/component-class.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 struct bt_plugin;
+struct bt_component_class;
+
+/**
+ * Status code. Errors are always negative.
+ */
+enum bt_plugin_status {
+       /** No error, okay. */
+       BT_PLUGIN_STATUS_OK =           0,
+       /** General error. */
+       BT_PLUGIN_STATUS_ERROR =        -1,
+       /** Memory allocation failure. */
+       BT_PLUGIN_STATUS_NOMEM =        -4,
+};
+
+extern struct bt_plugin *bt_plugin_create_from_file(const char *path);
+
+extern struct bt_plugin **bt_plugin_create_all_from_dir(const char *path,
+               bool recurse);
+
+extern struct bt_plugin **bt_plugin_create_all_from_static(void);
 
 /**
  * Get the name of a plug-in.
@@ -73,8 +98,18 @@ extern const char *bt_plugin_get_description(struct bt_plugin *plugin);
  */
 extern const char *bt_plugin_get_path(struct bt_plugin *plugin);
 
+extern int bt_plugin_get_component_class_count(struct bt_plugin *plugin);
+
+extern struct bt_component_class *bt_plugin_get_component_class(
+               struct bt_plugin *plugin, size_t index);
+
+extern
+struct bt_component_class *bt_plugin_get_component_class_by_name_and_type(
+               struct bt_plugin *plugin, const char *name,
+               enum bt_component_type type);
+
 #ifdef __cplusplus
 }
 #endif
 
-#endif /* BABELTRACE_PLUGIN_H */
+#endif /* BABELTRACE_PLUGIN_PLUGIN_H */