#include <babeltrace/plugin/plugin-dev.h>
#include <babeltrace/object-internal.h>
#include <stdbool.h>
-#include <gmodule.h>
+#include <glib.h>
-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;
+enum bt_plugin_type {
+ BT_PLUGIN_TYPE_SO = 0,
+ BT_PLUGIN_TYPE_PYTHON = 1,
};
struct bt_plugin {
struct bt_object base;
+ enum bt_plugin_type type;
bool frozen;
- /* Owned by this */
- struct bt_plugin_shared_lib_handle *shared_lib_handle;
-
/* Array of pointers to bt_component_class (owned by this) */
GPtrArray *comp_classes;
- /* 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;
- const struct __bt_plugin_descriptor_version *version;
+ /* Info (owned by this) */
+ struct {
+ GString *path;
+ GString *name;
+ GString *author;
+ GString *license;
+ GString *description;
+ struct {
+ unsigned int major;
+ unsigned int minor;
+ unsigned int patch;
+ GString *extra;
+ } version;
+ bool path_set;
+ bool name_set;
+ bool author_set;
+ bool license_set;
+ bool description_set;
+ bool version_set;
+ } info;
+
+ /* Value depends on the specific plugin type */
+ void *spec_data;
+ void (*destroy_spec_data)(struct bt_plugin *);
};
+struct bt_plugin_set {
+ struct bt_object base;
+
+ /* Array of struct bt_plugin * */
+ GPtrArray *plugins;
+};
+
+static inline
+void bt_plugin_destroy(struct bt_object *obj)
+{
+ struct bt_plugin *plugin;
+
+ assert(obj);
+ plugin = container_of(obj, struct bt_plugin, base);
+
+ if (plugin->destroy_spec_data) {
+ plugin->destroy_spec_data(plugin);
+ }
+
+ 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);
+ }
+
+ if (plugin->info.license) {
+ g_string_free(plugin->info.license, TRUE);
+ }
+
+ if (plugin->info.version.extra) {
+ g_string_free(plugin->info.version.extra, TRUE);
+ }
+
+ g_free(plugin);
+}
+
+static inline
+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;
+ }
+
+ goto end;
+
+error:
+ BT_PUT(plugin);
+
+end:
+ return plugin;
+}
+
+static inline
+void bt_plugin_set_path(struct bt_plugin *plugin, const char *path)
+{
+ assert(plugin);
+ assert(path);
+ g_string_assign(plugin->info.path, path);
+ plugin->info.path_set = true;
+}
+
+static inline
+void bt_plugin_set_name(struct bt_plugin *plugin, const char *name)
+{
+ assert(plugin);
+ assert(name);
+ g_string_assign(plugin->info.name, name);
+ plugin->info.name_set = true;
+}
+
+static inline
+void bt_plugin_set_description(struct bt_plugin *plugin,
+ const char *description)
+{
+ assert(plugin);
+ assert(description);
+ g_string_assign(plugin->info.description, description);
+ plugin->info.description_set = true;
+}
+
+static inline
+void bt_plugin_set_author(struct bt_plugin *plugin, const char *author)
+{
+ assert(plugin);
+ assert(author);
+ g_string_assign(plugin->info.author, author);
+ plugin->info.author_set = true;
+}
+
+static inline
+void bt_plugin_set_license(struct bt_plugin *plugin, const char *license)
+{
+ assert(plugin);
+ assert(license);
+ g_string_assign(plugin->info.license, license);
+ plugin->info.license_set = true;
+}
+
+static inline
+void bt_plugin_set_version(struct bt_plugin *plugin, unsigned int major,
+ unsigned int minor, unsigned int patch, const char *extra)
+{
+ assert(plugin);
+ plugin->info.version.major = major;
+ plugin->info.version.minor = minor;
+ plugin->info.version.patch = patch;
+
+ if (extra) {
+ g_string_assign(plugin->info.version.extra, extra);
+ }
+
+ plugin->info.version_set = true;
+}
+
+static inline
+void bt_plugin_freeze(struct bt_plugin *plugin)
+{
+ assert(plugin);
+ plugin->frozen = true;
+}
+
+static
+void bt_plugin_set_destroy(struct bt_object *obj)
+{
+ struct bt_plugin_set *plugin_set =
+ container_of(obj, struct bt_plugin_set, base);
+
+ if (!plugin_set) {
+ return;
+ }
+
+ if (plugin_set->plugins) {
+ g_ptr_array_free(plugin_set->plugins, TRUE);
+ }
+
+ g_free(plugin_set);
+}
+
+static inline
+struct bt_plugin_set *bt_plugin_set_create(void)
+{
+ struct bt_plugin_set *plugin_set = g_new0(struct bt_plugin_set, 1);
+
+ if (!plugin_set) {
+ goto end;
+ }
+
+ bt_object_init(plugin_set, bt_plugin_set_destroy);
+
+ plugin_set->plugins = g_ptr_array_new_with_free_func(
+ (GDestroyNotify) bt_put);
+ if (!plugin_set->plugins) {
+ BT_PUT(plugin_set);
+ goto end;
+ }
+
+end:
+ return plugin_set;
+}
+
+static inline
+void bt_plugin_set_add_plugin(struct bt_plugin_set *plugin_set,
+ struct bt_plugin *plugin)
+{
+ assert(plugin_set);
+ assert(plugin);
+ g_ptr_array_add(plugin_set->plugins, bt_get(plugin));
+}
+
#endif /* BABELTRACE_PLUGIN_PLUGIN_INTERNAL_H */
projects / babeltrace.git / blobdiff