X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=src%2Fplugin.c;h=65e0311aff4a8802fbb3af06834cd221cc98b229;hb=c329f0f22773df936ef31c539d8fd32c3a973659;hp=cfbd906ace35081dd3f4a16c864dc53336d6d12f;hpb=0889675fe72fdedfd0f8919084d80a550d6b3472;p=framework%2Fconnectivity%2Fconnman.git

diff --git a/src/plugin.c b/src/plugin.c
index cfbd906..65e0311 100644
--- a/src/plugin.c
+++ b/src/plugin.c
@@ -2,7 +2,7 @@
  *
  *  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
@@ -27,42 +27,121 @@
 
 #include <glib.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 {
 	void *handle;
+	gboolean active;
 	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->handle = handle;
+	plugin->active = FALSE;
 	plugin->desc = desc;
 
-	if (desc->init() < 0)
-		return FALSE;
+	__connman_log_enable(desc->debug_start, desc->debug_stop);
+
+	plugins = g_slist_insert_sorted(plugins, plugin, compare_priority);
+
+	return TRUE;
+}
+
+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;
+		}
+	}
 
-	plugins = g_slist_append(plugins, plugin);
+	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;
 }
 
-int __connman_plugin_init(void)
+#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;
 
 	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) {
@@ -75,10 +154,10 @@ int __connman_plugin_init(void)
 
 			filename = g_build_filename(PLUGINDIR, file, NULL);
 
-			handle = dlopen(filename, RTLD_NOW);
+			handle = dlopen(filename, PLUGINFLAG);
 			if (handle == NULL) {
-				g_warning("Can't load %s: %s", filename,
-								dlerror());
+				connman_error("Can't load %s: %s",
+							filename, dlerror());
 				g_free(filename);
 				continue;
 			}
@@ -87,12 +166,13 @@ int __connman_plugin_init(void)
 
 			desc = dlsym(handle, "connman_plugin_desc");
 			if (desc == NULL) {
-				g_warning("Can't load symbol: %s", dlerror());
+				connman_error("Can't load symbol: %s",
+								dlerror());
 				dlclose(handle);
 				continue;
 			}
 
-			if (desc->init == NULL) {
+			if (check_plugin(desc, patterns, excludes) == FALSE) {
 				dlclose(handle);
 				continue;
 			}
@@ -104,6 +184,18 @@ int __connman_plugin_init(void)
 		g_dir_close(dir);
 	}
 
+	for (list = plugins; list; list = list->next) {
+		struct connman_plugin *plugin = list->data;
+
+		if (plugin->desc->init() < 0)
+			continue;
+
+		plugin->active = TRUE;
+	}
+
+	g_strfreev(patterns);
+	g_strfreev(excludes);
+
 	return 0;
 }
 
@@ -116,10 +208,11 @@ void __connman_plugin_cleanup(void)
 	for (list = plugins; list; list = list->next) {
 		struct connman_plugin *plugin = list->data;
 
-		if (plugin->desc->exit)
+		if (plugin->active == TRUE && plugin->desc->exit)
 			plugin->desc->exit();
 
-		dlclose(plugin->handle);
+		if (plugin->handle != NULL)
+			dlclose(plugin->handle);
 
 		g_free(plugin);
 	}