service: Simplify nameserver route adding and removing

[framework/connectivity/connman.git] / src / plugin.c

diff --git a/src/plugin.c b/src/plugin.c
index 1b57365..65e0311 100644 (file)
--- a/src/plugin.c
+++ b/src/plugin.c
@@ -2,7 +2,7 @@
  *
  *  Connection Manager
  *
- *  Copyright (C) 2007-2009  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
@@ -27,8 +27,23 @@
 
 #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 {
@@ -53,7 +68,8 @@ static gboolean add_plugin(void *handle, struct connman_plugin_desc *desc)
                return FALSE;
 
        if (g_str_equal(desc->version, CONNMAN_VERSION) == FALSE) {
-               DBG("version mismatch for %s", desc->description);
+               connman_error("Invalid version %s for %s", desc->version,
+                                                       desc->description);
                return FALSE;
        }
 
@@ -65,20 +81,67 @@ static gboolean add_plugin(void *handle, struct connman_plugin_desc *desc)
        plugin->active = FALSE;
        plugin->desc = desc;
 
+       __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;
+               }
+       }
+
+       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;
 
        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) {
@@ -91,10 +154,10 @@ int __connman_plugin_init(const char *pattern, const char *exclude)
 
                        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;
                        }
@@ -103,21 +166,13 @@ int __connman_plugin_init(const char *pattern, const char *exclude)
 
                        desc = dlsym(handle, "connman_plugin_desc");
                        if (desc == NULL) {
-                               g_warning("Can't load symbol: %s", dlerror());
-                               dlclose(handle);
-                               continue;
-                       }
-
-                       if (exclude != NULL && g_pattern_match_simple(exclude,
-                                                       desc->name) == TRUE) {
-                               DBG("excluding %s", desc->description);
+                               connman_error("Can't load symbol: %s",
+                                                               dlerror());
                                dlclose(handle);
                                continue;
                        }
 
-                       if (pattern != NULL && g_pattern_match_simple(pattern,
-                                                       desc->name) == FALSE) {
-                               DBG("ignoring %s", desc->description);
+                       if (check_plugin(desc, patterns, excludes) == FALSE) {
                                dlclose(handle);
                                continue;
                        }
@@ -138,6 +193,9 @@ int __connman_plugin_init(const char *pattern, const char *exclude)
                plugin->active = TRUE;
        }
 
+       g_strfreev(patterns);
+       g_strfreev(excludes);
+
        return 0;
 }
 
@@ -153,7 +211,8 @@ void __connman_plugin_cleanup(void)
                if (plugin->active == TRUE && plugin->desc->exit)
                        plugin->desc->exit();
 
-               dlclose(plugin->handle);
+               if (plugin->handle != NULL)
+                       dlclose(plugin->handle);
 
                g_free(plugin);
        }