git.maemo.org Git - connman/blob - src/resolver.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2008  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include "connman.h"
  27
  28 static GSList *resolver_list = NULL;
  29
  30 static gint compare_priority(gconstpointer a, gconstpointer b)
  31 {
  32         const struct connman_resolver *resolver1 = a;
  33         const struct connman_resolver *resolver2 = b;
  34
  35         return resolver2->priority - resolver1->priority;
  36 }
  37
  38 /**
  39  * connman_resolver_register:
  40  * @resolver: resolver module
  41  *
  42  * Register a new resolver module
  43  *
  44  * Returns: %0 on success
  45  */
  46 int connman_resolver_register(struct connman_resolver *resolver)
  47 {
  48         DBG("resolver %p name %s", resolver, resolver->name);
  49
  50         resolver_list = g_slist_insert_sorted(resolver_list, resolver,
  51                                                         compare_priority);
  52
  53         return 0;
  54 }
  55
  56 /**
  57  * connman_resolver_unregister:
  58  * @resolver: resolver module
  59  *
  60  * Remove a previously registered resolver module
  61  */
  62 void connman_resolver_unregister(struct connman_resolver *resolver)
  63 {
  64         DBG("resolver %p name %s", resolver, resolver->name);
  65
  66         resolver_list = g_slist_remove(resolver_list, resolver);
  67 }