List detected component classes

[babeltrace.git] / plugins / plugin.c

diff --git a/plugins/plugin.c b/plugins/plugin.c
index 025bbfc71c08280d0657ebaad7314937117bb677..f3d23268f7c83f326de6bb12a0d907df7a27f6fc 100644 (file)
--- a/plugins/plugin.c
+++ b/plugins/plugin.c
@@ -31,11 +31,12 @@
 #include <babeltrace/plugin/plugin-internal.h>
 #include <glib.h>
 
-#define PLUGIN_SYMBOL_NAME     "__bt_plugin_name"
-#define PLUGIN_SYMBOL_AUTHOR   "__bt_plugin_author"
-#define PLUGIN_SYMBOL_LICENSE  "__bt_plugin_license"
-#define PLUGIN_SYMBOL_INIT     "__bt_plugin_init"
-#define PLUGIN_SYMBOL_EXIT     "__bt_plugin_exit"
+#define PLUGIN_SYMBOL_NAME             "__bt_plugin_name"
+#define PLUGIN_SYMBOL_AUTHOR           "__bt_plugin_author"
+#define PLUGIN_SYMBOL_LICENSE          "__bt_plugin_license"
+#define PLUGIN_SYMBOL_INIT             "__bt_plugin_init"
+#define PLUGIN_SYMBOL_EXIT             "__bt_plugin_exit"
+#define PLUGIN_SYMBOL_DESCRIPTION      "__bt_plugin_description"
 
 static
 void bt_plugin_destroy(struct bt_object *obj)
@@ -49,19 +50,23 @@ void bt_plugin_destroy(struct bt_object *obj)
                if (!g_module_close(plugin->module)) {
                                printf_error("Module close error: %s",
                                        g_module_error());
-
                }
        }
+
+       if (plugin->exit) {
+               plugin->exit();
+       }
+       g_string_free(plugin->path, TRUE);
        g_free(plugin);
 }
 
 BT_HIDDEN
-struct bt_plugin *bt_plugin_create(GModule *module)
+struct bt_plugin *bt_plugin_create(GModule *module, const char *path)
 {
        struct bt_plugin *plugin = NULL;
        gpointer symbol = NULL;
 
-       if (!module) {
+       if (!module || !path) {
                goto error;
        }
 
@@ -71,6 +76,11 @@ struct bt_plugin *bt_plugin_create(GModule *module)
        }
 
        bt_object_init(plugin, bt_plugin_destroy);
+       plugin->path = g_string_new(path);
+       if (!plugin->path) {
+               goto error;
+       }
+
        if (!g_module_symbol(module, PLUGIN_SYMBOL_NAME,
                        (gpointer *) &plugin->name)) {
                printf_error("Unable to resolve plugin symbol %s from %s",
@@ -104,6 +114,8 @@ struct bt_plugin *bt_plugin_create(GModule *module)
        }
        g_module_symbol(module, PLUGIN_SYMBOL_AUTHOR,
                        (gpointer *) &plugin->author);
+       g_module_symbol(module, PLUGIN_SYMBOL_DESCRIPTION,
+                       (gpointer *) &plugin->description);
 
        return plugin;
 error:
@@ -133,3 +145,13 @@ const char *bt_plugin_get_license(struct bt_plugin *plugin)
 {
        return plugin ? plugin->license : NULL;
 }
+
+const char *bt_plugin_get_path(struct bt_plugin *plugin)
+{
+       return plugin ? plugin->path->str : NULL;
+}
+
+const char *bt_plugin_get_description(struct bt_plugin *plugin)
+{
+       return plugin ? plugin->description : NULL;
+}