#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)
if (plugin->module) {
if (!g_module_close(plugin->module)) {
- printf_error("Module close error: %s",
- g_module_error());
-
+ 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;
}
}
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))
- {
+ (gpointer *) &plugin->name)) {
printf_error("Unable to resolve plugin symbol %s from %s",
- PLUGIN_SYMBOL_NAME, g_module_name(module));
+ PLUGIN_SYMBOL_NAME, g_module_name(module));
goto error;
}
+
if (!g_module_symbol(module, PLUGIN_SYMBOL_LICENSE,
- (gpointer *) &plugin->license))
- {
+ (gpointer *) &plugin->license)) {
printf_error("Unable to resolve plugin symbol %s from %s",
- PLUGIN_SYMBOL_LICENSE, g_module_name(module));
+ PLUGIN_SYMBOL_LICENSE, g_module_name(module));
goto error;
}
- if (!g_module_symbol(module, PLUGIN_SYMBOL_INIT,
- (gpointer *) &plugin->init))
- {
+ if (!g_module_symbol(module, PLUGIN_SYMBOL_INIT, &symbol)) {
printf_error("Unable to resolve plugin symbol %s from %s",
- PLUGIN_SYMBOL_INIT, g_module_name(module));
+ PLUGIN_SYMBOL_INIT, g_module_name(module));
goto error;
+ } else {
+ plugin->init = *((bt_plugin_init_func *) symbol);
+ if (!plugin->init) {
+ printf_error("NULL %s symbol target",
+ PLUGIN_SYMBOL_INIT);
+ goto error;
+ }
}
- /* Optional symbols */
- g_module_symbol(module, PLUGIN_SYMBOL_EXIT, (gpointer *) &plugin->exit);
+ /* Optional */
+ if (g_module_symbol(module, PLUGIN_SYMBOL_EXIT,
+ (gpointer *) &symbol)) {
+ plugin->exit = *((bt_plugin_exit_func *) symbol);
+ }
g_module_symbol(module, PLUGIN_SYMBOL_AUTHOR,
- (gpointer *) &plugin->author);
+ (gpointer *) &plugin->author);
+ g_module_symbol(module, PLUGIN_SYMBOL_DESCRIPTION,
+ (gpointer *) &plugin->description);
return plugin;
error:
assert(plugin && factory);
return plugin->init(factory);
}
+
+const char *bt_plugin_get_name(struct bt_plugin *plugin)
+{
+ return plugin ? plugin->name : NULL;
+}
+
+const char *bt_plugin_get_author(struct bt_plugin *plugin)
+{
+ return plugin ? plugin->author : NULL;
+}
+
+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;
+}