diff options
Diffstat (limited to 'src/plugin.c')
| -rw-r--r-- | src/plugin.c | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/src/plugin.c b/src/plugin.c new file mode 100644 index 00000000..331a832f --- /dev/null +++ b/src/plugin.c @@ -0,0 +1,190 @@ +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2004-2008 Marcel Holtmann <marcel@holtmann.org> + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <glib.h> +#include <gmodule.h> +#include <string.h> + +#include <sys/stat.h> +#include <errno.h> + +#include <bluetooth/bluetooth.h> + +#include "logging.h" + +#include "plugin.h" + +static GSList *plugins = NULL; + +struct bluetooth_plugin { + GModule *module; + struct bluetooth_plugin_desc *desc; +}; + +static gboolean add_plugin(GModule *module, struct bluetooth_plugin_desc *desc) +{ + struct bluetooth_plugin *plugin; + + if (desc->init() < 0) + return FALSE; + + plugin = g_try_new0(struct bluetooth_plugin, 1); + if (plugin == NULL) + return FALSE; + + plugin->module = module; + plugin->desc = desc; + + plugins = g_slist_append(plugins, plugin); + + return TRUE; +} + +static gboolean is_disabled(const char *name, char **list) +{ + int i; + + for (i = 0; list[i] != NULL; i++) { + char *str; + gboolean equal; + + str = g_strdup_printf("lib%s.so", list[i]); + + equal = g_str_equal(str, name); + + g_free(str); + + if (equal) + return TRUE; + } + + return FALSE; +} + +gboolean plugin_init(GKeyFile *config) +{ + GDir *dir; + const gchar *file; + gchar **disabled; + + if (strlen(PLUGINDIR) == 0) + return FALSE; + + if (config) + disabled = g_key_file_get_string_list(config, "General", + "DisablePlugins", + NULL, NULL); + else + disabled = NULL; + + debug("Loading plugins %s", PLUGINDIR); + + dir = g_dir_open(PLUGINDIR, 0, NULL); + if (!dir) { + g_strfreev(disabled); + return FALSE; + } + + while ((file = g_dir_read_name(dir)) != NULL) { + GModule *module; + struct bluetooth_plugin_desc *desc; + gchar *filename; + struct stat st; + + if (g_str_has_prefix(file, "lib") == TRUE || + g_str_has_suffix(file, ".so") == FALSE) + continue; + + if (disabled && is_disabled(file, disabled)) + continue; + + filename = g_build_filename(PLUGINDIR, file, NULL); + + if (stat(filename, &st) < 0) { + error("Can't load plugin %s: %s (%d)", filename, + strerror(errno), errno); + g_free(filename); + continue; + } + + module = g_module_open(filename, G_MODULE_BIND_LOCAL); + if (module == NULL) { + error("Can't load plugin: %s", g_module_error()); + g_free(filename); + continue; + } + + g_free(filename); + + debug("%s", g_module_name(module)); + + if (g_module_symbol(module, "bluetooth_plugin_desc", + (gpointer) &desc) == FALSE) { + error("Can't load plugin description"); + g_module_close(module); + continue; + } + + if (desc == NULL || desc->init == NULL) { + g_module_close(module); + continue; + } + + if (add_plugin(module, desc) == FALSE) { + error("Can't init plugin %s", g_module_name(module)); + g_module_close(module); + } + } + + g_dir_close(dir); + + g_strfreev(disabled); + + return TRUE; +} + +void plugin_cleanup(void) +{ + GSList *list; + + debug("Cleanup plugins"); + + for (list = plugins; list; list = list->next) { + struct bluetooth_plugin *plugin = list->data; + + debug("%s", g_module_name(plugin->module)); + + if (plugin->desc->exit) + plugin->desc->exit(); + + g_module_close(plugin->module); + + g_free(plugin); + } + + g_slist_free(plugins); +} |