*
* Connection Manager
*
- * Copyright (C) 2007-2008 Intel Corporation. All rights reserved.
+ * Copyright (C) 2007-2012 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
#include <config.h>
#endif
-#include <dbus/dbus.h>
+#include <dlfcn.h>
#include <glib.h>
-#include <gmodule.h>
+
+#ifdef CONNMAN_PLUGIN_BUILTIN
+#undef CONNMAN_PLUGIN_BUILTIN
+#endif
#include "connman.h"
+/*
+ * Plugins that are using libraries with threads and their own mainloop
+ * will crash on exit. This is a bug inside these libraries, but there is
+ * nothing much that can be done about it.
+ */
+#ifdef NEED_THREADS
+#define PLUGINFLAG (RTLD_NOW | RTLD_NODELETE)
+#else
+#define PLUGINFLAG (RTLD_NOW)
+#endif
+
static GSList *plugins = NULL;
struct connman_plugin {
- GModule *module;
+ void *handle;
+ gboolean active;
struct connman_plugin_desc *desc;
};
-static gboolean add_plugin(GModule *module, struct connman_plugin_desc *desc)
+static gint compare_priority(gconstpointer a, gconstpointer b)
+{
+ const struct connman_plugin *plugin1 = a;
+ const struct connman_plugin *plugin2 = b;
+
+ return plugin2->desc->priority - plugin1->desc->priority;
+}
+
+static gboolean add_plugin(void *handle, struct connman_plugin_desc *desc)
{
struct connman_plugin *plugin;
+ if (desc->init == NULL)
+ return FALSE;
+
+ if (g_str_equal(desc->version, CONNMAN_VERSION) == FALSE) {
+ connman_error("Invalid version %s for %s", desc->version,
+ desc->description);
+ return FALSE;
+ }
+
plugin = g_try_new0(struct connman_plugin, 1);
if (plugin == NULL)
return FALSE;
- plugin->module = module;
+ plugin->handle = handle;
+ plugin->active = FALSE;
plugin->desc = desc;
- plugins = g_slist_append(plugins, plugin);
+ __connman_log_enable(desc->debug_start, desc->debug_stop);
- desc->init();
+ plugins = g_slist_insert_sorted(plugins, plugin, compare_priority);
return TRUE;
}
-static void load_plugins(const gchar *path)
+static gboolean check_plugin(struct connman_plugin_desc *desc,
+ char **patterns, char **excludes)
{
+ if (excludes) {
+ for (; *excludes; excludes++)
+ if (g_pattern_match_simple(*excludes, desc->name))
+ break;
+ if (*excludes) {
+ connman_info("Excluding %s", desc->description);
+ return FALSE;
+ }
+ }
+
+ if (patterns) {
+ for (; *patterns; patterns++)
+ if (g_pattern_match_simple(*patterns, desc->name))
+ break;
+ if (!*patterns) {
+ connman_info("Ignoring %s", desc->description);
+ return FALSE;
+ }
+ }
+
+ return TRUE;
+}
+
+#include "builtin.h"
+
+int __connman_plugin_init(const char *pattern, const char *exclude)
+{
+ gchar **patterns = NULL;
+ gchar **excludes = NULL;
+ GSList *list;
GDir *dir;
const gchar *file;
gchar *filename;
+ unsigned int i;
- dir = g_dir_open(path, 0, NULL);
+ DBG("");
+
+ if (pattern)
+ patterns = g_strsplit_set(pattern, ":, ", -1);
+
+ if (exclude)
+ excludes = g_strsplit_set(exclude, ":, ", -1);
+
+ for (i = 0; __connman_builtin[i]; i++) {
+ if (check_plugin(__connman_builtin[i],
+ patterns, excludes) == FALSE)
+ continue;
+
+ add_plugin(NULL, __connman_builtin[i]);
+ }
+
+ dir = g_dir_open(PLUGINDIR, 0, NULL);
if (dir != NULL) {
while ((file = g_dir_read_name(dir)) != NULL) {
- GModule *module;
+ void *handle;
struct connman_plugin_desc *desc;
if (g_str_has_prefix(file, "lib") == TRUE ||
g_str_has_suffix(file, ".so") == FALSE)
continue;
- filename = g_build_filename(path, file, NULL);
+ filename = g_build_filename(PLUGINDIR, file, NULL);
- module = g_module_open(filename, 0);
- if (module == NULL) {
- g_warning("Can't load %s: %s", filename,
- g_module_error());
+ handle = dlopen(filename, PLUGINFLAG);
+ if (handle == NULL) {
+ connman_error("Can't load %s: %s",
+ filename, dlerror());
+ g_free(filename);
continue;
}
g_free(filename);
- DBG("%s", g_module_name(module));
-
- if (g_module_symbol(module, "connman_plugin_desc",
- (gpointer) &desc) == FALSE) {
- g_warning("Can't load symbol");
- g_module_close(module);
+ desc = dlsym(handle, "connman_plugin_desc");
+ if (desc == NULL) {
+ connman_error("Can't load symbol: %s",
+ dlerror());
+ dlclose(handle);
continue;
}
- if (desc == NULL || desc->init == NULL) {
- g_module_close(module);
+ if (check_plugin(desc, patterns, excludes) == FALSE) {
+ dlclose(handle);
continue;
}
- if (add_plugin(module, desc) == FALSE)
- g_module_close(module);
+ if (add_plugin(handle, desc) == FALSE)
+ dlclose(handle);
}
g_dir_close(dir);
}
-}
-int __connman_plugin_init(void)
-{
- DBG("");
+ for (list = plugins; list; list = list->next) {
+ struct connman_plugin *plugin = list->data;
- if (g_module_supported() == FALSE) {
- g_warning("Modules not supported: %s", g_module_error());
- return FALSE;
+ if (plugin->desc->init() < 0)
+ continue;
+
+ plugin->active = TRUE;
}
- load_plugins(PLUGINDIR);
+ g_strfreev(patterns);
+ g_strfreev(excludes);
return 0;
}
for (list = plugins; list; list = list->next) {
struct connman_plugin *plugin = list->data;
- DBG("%s", g_module_name(plugin->module));
-
- if (plugin->desc->exit)
+ if (plugin->active == TRUE && plugin->desc->exit)
plugin->desc->exit();
- g_module_close(plugin->module);
+ if (plugin->handle != NULL)
+ dlclose(plugin->handle);
g_free(plugin);
}