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

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  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 DBusConnection *connection = NULL;
  29
  30 static GSequence *service_list = NULL;
  31 static GHashTable *service_hash = NULL;
  32
  33 struct connman_service {
  34         gint refcount;
  35         char *identifier;
  36         char *path;
  37         enum connman_service_type type;
  38         enum connman_service_mode mode;
  39         enum connman_service_security security;
  40         enum connman_service_state state;
  41         connman_uint8_t strength;
  42         connman_bool_t favorite;
  43         char *name;
  44 };
  45
  46 static void service_free(gpointer data)
  47 {
  48         struct connman_service *service = data;
  49
  50         DBG("service %p", service);
  51
  52         g_hash_table_remove(service_hash, service->identifier);
  53
  54         g_free(service->name);
  55         g_free(service->path);
  56         g_free(service->identifier);
  57         g_free(service);
  58 }
  59
  60 static gint service_compare(gconstpointer a, gconstpointer b,
  61                                                         gpointer user_data)
  62 {
  63         struct connman_service *service_a = (void *) a;
  64         struct connman_service *service_b = (void *) b;
  65
  66         if (service_a->favorite == TRUE && service_b->favorite == FALSE)
  67                 return -1;
  68
  69         if (service_a->favorite == FALSE && service_b->favorite == TRUE)
  70                 return 1;
  71
  72         return (gint) service_b->strength - (gint) service_a->strength;
  73 }
  74
  75 struct connman_service *connman_service_get(const char *identifier)
  76 {
  77         struct connman_service *service;
  78         GSequenceIter *iter;
  79
  80         iter = g_hash_table_lookup(service_hash, identifier);
  81         if (iter != NULL) {
  82                 service = g_sequence_get(iter);
  83                 if (service != NULL)
  84                         g_atomic_int_inc(&service->refcount);
  85                 return service;
  86         }
  87
  88         service = g_try_new0(struct connman_service, 1);
  89         if (service == NULL)
  90                 return NULL;
  91
  92         DBG("service %p", service);
  93
  94         service->refcount = 1;
  95         service->identifier = g_strdup(identifier);
  96
  97         iter = g_sequence_insert_sorted(service_list, service,
  98                                                 service_compare, NULL);
  99
 100         g_hash_table_insert(service_hash, service->identifier, iter);
 101
 102         return service;
 103 }
 104
 105 void connman_service_put(struct connman_service *service)
 106 {
 107         DBG("service %p", service);
 108
 109         if (g_atomic_int_dec_and_test(&service->refcount) == TRUE) {
 110                 GSequenceIter *iter;
 111
 112                 iter = g_hash_table_lookup(service_hash, service->identifier);
 113                 if (iter != NULL)
 114                         g_sequence_remove(iter);
 115                 else
 116                         service_free(service);
 117         }
 118 }
 119
 120 int __connman_service_init(void)
 121 {
 122         DBG("");
 123
 124         connection = connman_dbus_get_connection();
 125
 126         service_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
 127                                                                 NULL, NULL);
 128
 129         service_list = g_sequence_new(service_free);
 130
 131         return 0;
 132 }
 133
 134 void __connman_service_cleanup(void)
 135 {
 136         DBG("");
 137
 138         g_sequence_free(service_list);
 139         service_list = NULL;
 140
 141         g_hash_table_destroy(service_hash);
 142         service_hash = NULL;
 143
 144         dbus_connection_unref(connection);
 145 }