* SOFTWARE.
*/
+#include <babeltrace/babeltrace-internal.h>
#include <babeltrace/compiler.h>
#include <babeltrace/ref.h>
#include <babeltrace/common-internal.h>
#include <sys/stat.h>
#include <dirent.h>
-#ifdef WITH_PYTHON_PLUGINS
-# include <babeltrace/plugin/plugin-python-enabled-internal.h>
-#else
-# include <babeltrace/plugin/plugin-python-disabled-internal.h>
-#endif
+#define PYTHON_PLUGIN_PROVIDER_FILENAME "libbabeltrace-python-plugin-provider." G_MODULE_SUFFIX
+#define PYTHON_PLUGIN_PROVIDER_SYM_NAME bt_plugin_python_create_all_from_file
+#define PYTHON_PLUGIN_PROVIDER_SYM_NAME_STR TOSTRING(PYTHON_PLUGIN_PROVIDER_SYM_NAME)
+#ifdef BT_BUILT_IN_PYTHON_PLUGIN_SUPPORT
+#include <babeltrace/plugin/python-plugin-provider-internal.h>
static
-void bt_plugin_destroy(struct bt_object *obj)
-{
- struct bt_plugin *plugin;
-
- assert(obj);
- plugin = container_of(obj, struct bt_plugin, base);
-
- if (plugin->type == BT_PLUGIN_TYPE_SO) {
- bt_plugin_so_destroy_spec_data(plugin);
- } else if (plugin->type == BT_PLUGIN_TYPE_PYTHON) {
- bt_plugin_python_destroy_spec_data(plugin);
- } else {
- assert(false);
- }
-
- if (plugin->comp_classes) {
- g_ptr_array_free(plugin->comp_classes, TRUE);
- }
-
- if (plugin->info.name) {
- g_string_free(plugin->info.name, TRUE);
- }
-
- if (plugin->info.path) {
- g_string_free(plugin->info.path, TRUE);
- }
-
- if (plugin->info.description) {
- g_string_free(plugin->info.description, TRUE);
- }
-
- if (plugin->info.author) {
- g_string_free(plugin->info.author, TRUE);
- }
+struct bt_plugin **(*bt_plugin_python_create_all_from_file_sym)(const char *path) =
+ bt_plugin_python_create_all_from_file;
+#else /* BT_BUILT_IN_PYTHON_PLUGIN_SUPPORT */
+static GModule *python_plugin_provider_module;
+static
+struct bt_plugin **(*bt_plugin_python_create_all_from_file_sym)(const char *path);
- if (plugin->info.license) {
- g_string_free(plugin->info.license, TRUE);
+__attribute__((constructor)) static
+void init_python_plugin_provider(void) {
+ python_plugin_provider_module =
+ g_module_open(PYTHON_PLUGIN_PROVIDER_FILENAME,
+ G_MODULE_BIND_LOCAL);
+ if (!python_plugin_provider_module) {
+ printf_warning("Cannot find `%s`: Python plugin support is disabled\n",
+ PYTHON_PLUGIN_PROVIDER_FILENAME);
+ return;
}
- if (plugin->info.version.extra) {
- g_string_free(plugin->info.version.extra, TRUE);
+ if (!g_module_symbol(python_plugin_provider_module,
+ PYTHON_PLUGIN_PROVIDER_SYM_NAME_STR,
+ (gpointer) &bt_plugin_python_create_all_from_file_sym)) {
+ printf_warning("Cannot find the Python plugin provider loading symbole: Python plugin support is disabled\n");
}
-
- g_free(plugin);
}
-BT_HIDDEN
-struct bt_plugin *bt_plugin_create_empty(enum bt_plugin_type type)
-{
- struct bt_plugin *plugin = NULL;
-
- plugin = g_new0(struct bt_plugin, 1);
- if (!plugin) {
- goto error;
- }
-
- bt_object_init(plugin, bt_plugin_destroy);
- plugin->type = type;
-
- /* Create empty array of component classes */
- plugin->comp_classes =
- g_ptr_array_new_with_free_func((GDestroyNotify) bt_put);
- if (!plugin->comp_classes) {
- goto error;
- }
-
- /* Create empty info */
- plugin->info.name = g_string_new(NULL);
- if (!plugin->info.name) {
- goto error;
- }
-
- plugin->info.path = g_string_new(NULL);
- if (!plugin->info.path) {
- goto error;
- }
-
- plugin->info.description = g_string_new(NULL);
- if (!plugin->info.description) {
- goto error;
- }
-
- plugin->info.author = g_string_new(NULL);
- if (!plugin->info.author) {
- goto error;
- }
-
- plugin->info.license = g_string_new(NULL);
- if (!plugin->info.license) {
- goto error;
- }
-
- plugin->info.version.extra = g_string_new(NULL);
- if (!plugin->info.version.extra) {
- goto error;
+__attribute__((destructor)) static
+void fini_python_plugin_provider(void) {
+ if (python_plugin_provider_module) {
+ (void) g_module_close(python_plugin_provider_module);
+ python_plugin_provider_module = NULL;
}
-
- goto end;
-
-error:
- BT_PUT(plugin);
-
-end:
- return plugin;
}
+#endif
struct bt_plugin **bt_plugin_create_all_from_static(void)
{
goto end;
}
- plugins = bt_plugin_python_create_all_from_file(path);
- if (plugins) {
- goto end;
+ /* Try Python plugins if support is available */
+ if (bt_plugin_python_create_all_from_file_sym) {
+ plugins = bt_plugin_python_create_all_from_file_sym(path);
+ if (plugins) {
+ goto end;
+ }
}
end: