1 files changed, 77 insertions, 0 deletions
diff --git a/src/lib/module-dir.h b/src/lib/module-dir.h
new file mode 100644
index 0000000..f62e906
--- /dev/null
+++ b/src/lib/module-dir.h
@@ -0,0 +1,77 @@
+#ifndef MODULE_DIR_H
+#define MODULE_DIR_H
+
+struct module_dir_load_settings {
+	/* If abi_version is non-NULL and the module contains a version symbol,
+	   fail the load if they're different. In both strings ignore anything
+	   after the first '(' character, so the version can be e.g.:
+	   2.2.ABIv1(2.2.15) */
+	const char *abi_version;
+	/* Binary name used for checking if plugin is tried to be loaded for
+	   wrong binary. */
+	const char *binary_name;
+	/* Setting name used in plugin dependency error message */
+	const char *setting_name;
+
+	/* If non-NULL, load only modules where filter_callback returns TRUE */
+	bool (*filter_callback)(const char *name, void *context);
+	void *filter_context;
+
+	/* Require all plugins to have <plugin_name>_init() function */
+	bool require_init_funcs:1;
+	/* Enable debug logging */
+	bool debug:1;
+	/* If dlopen() fails for some modules, silently skip it. */
+	bool ignore_dlopen_errors:1;
+	/* Don't fail if some specified modules weren't found */
+	bool ignore_missing:1;
+};
+
+struct module {
+	char *path, *name;
+
+	void *handle;
+	void (*init)(struct module *module);
+	void (*deinit)(void);
+
+	bool initialized:1;
+
+        struct module *next;
+};
+
+/* Load modules in given directory. module_names is a space separated list of
+   module names to load. */
+struct module *module_dir_load(const char *dir, const char *module_names,
+			       const struct module_dir_load_settings *set)
+	ATTR_NULL(2);
+/* Load modules that aren't already loaded. */
+struct module *
+module_dir_load_missing(struct module *old_modules,
+			const char *dir, const char *module_names,
+			const struct module_dir_load_settings *set)
+	ATTR_NULL(1, 3);
+/* Load modules that aren't already loaded. */
+int module_dir_try_load_missing(struct module **modules,
+				const char *dir, const char *module_names,
+				const struct module_dir_load_settings *set,
+				const char **error_r)
+	ATTR_NULL(1, 3);
+/* Call init() in all modules */
+void module_dir_init(struct module *modules);
+/* Call deinit() in all modules and mark them NULL so module_dir_unload()
+   won't do it again. */
+void module_dir_deinit(struct module *modules);
+/* Unload all modules */
+void module_dir_unload(struct module **modules);
+/* Find a module by name. */
+struct module *module_dir_find(struct module *modules, const char *name);
+
+void *module_get_symbol(struct module *module, const char *symbol);
+void *module_get_symbol_quiet(struct module *module, const char *symbol);
+
+/* Returns module's base name from the filename. */
+const char *module_file_get_name(const char *fname);
+/* Returns module's name without "_plugin" suffix. */
+const char *module_get_plugin_name(struct module *module);
+
+#endif