plugins/bluetooth.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 <gdbus.h>
  27
  28 #include <connman/plugin.h>
  29 #include <connman/driver.h>
  30 #include <connman/log.h>
  31
  32 #define BLUEZ_SERVICE "org.bluez"
  33
  34 #define MANAGER_INTERFACE "org.bluez.Manager"
  35 #define MANAGER_PATH "/"
  36
  37 static GStaticMutex element_mutex = G_STATIC_MUTEX_INIT;
  38 static GSList *element_list = NULL;
  39
  40 static void create_element(DBusConnection *conn, const char *path)
  41 {
  42         struct connman_element *element;
  43
  44         DBG("conn %p path %s", conn, path);
  45
  46         element = connman_element_create();
  47
  48         element->name = g_path_get_basename(path);
  49         element->type = CONNMAN_ELEMENT_TYPE_DEVICE;
  50         element->subtype = CONNMAN_ELEMENT_SUBTYPE_BLUETOOTH;
  51
  52         g_static_mutex_lock(&element_mutex);
  53
  54         connman_element_register(element, NULL);
  55
  56         element_list = g_slist_append(element_list, element);
  57
  58         g_static_mutex_unlock(&element_mutex);
  59 }
  60
  61 static gboolean bluetooth_signal(DBusConnection *conn,
  62                                         DBusMessage *msg, void *data)
  63 {
  64         const char *sender, *interface, *member;
  65
  66         DBG("conn %p msg %p", conn, msg);
  67
  68         sender = dbus_message_get_sender(msg);
  69         interface = dbus_message_get_interface(msg);
  70         member = dbus_message_get_member(msg);
  71
  72         DBG("sender %s name %s.%s", sender, interface, member);
  73
  74         return TRUE;
  75 }
  76
  77 static void list_adapters(DBusConnection *conn)
  78 {
  79         DBusMessage *msg, *reply;
  80         char **paths = NULL;
  81         int i, num = 0;
  82
  83         DBG("conn %p");
  84
  85         msg = dbus_message_new_method_call(BLUEZ_SERVICE, MANAGER_PATH,
  86                                         MANAGER_INTERFACE, "ListAdapters");
  87         if (!msg) {
  88                 connman_error("ListAdpaters message alloction failed");
  89                 return;
  90         }
  91
  92         reply = dbus_connection_send_with_reply_and_block(conn, msg, -1, NULL);
  93
  94         dbus_message_unref(msg);
  95
  96         if (!reply) {
  97                 connman_error("ListAdapters method call failed");
  98                 return;
  99         }
 100
 101         dbus_message_get_args(reply, NULL, DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH,
 102                                                 &paths, &num, DBUS_TYPE_INVALID);
 103
 104         for (i = 0; i < num; i++)
 105                 create_element(conn, paths[i]);
 106
 107         g_strfreev(paths);
 108
 109         dbus_message_unref(reply);
 110 }
 111
 112 static int bluetooth_probe(struct connman_element *element)
 113 {
 114         DBG("element %p name %s", element, element->name);
 115
 116         return 0;
 117 }
 118
 119 static void bluetooth_remove(struct connman_element *element)
 120 {
 121         DBG("element %p name %s", element, element->name);
 122 }
 123
 124 static struct connman_driver bluetooth_driver = {
 125         .name           = "bluetooth",
 126         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
 127         .subtype        = CONNMAN_ELEMENT_SUBTYPE_BLUETOOTH,
 128         .probe          = bluetooth_probe,
 129         .remove         = bluetooth_remove,
 130 };
 131
 132 static DBusConnection *connection;
 133 static guint signal;
 134
 135 static int bluetooth_init(void)
 136 {
 137         int err;
 138
 139         connection = dbus_bus_get(DBUS_BUS_SYSTEM, NULL);
 140         if (connection == NULL)
 141                 return -EIO;
 142
 143         signal = g_dbus_add_signal_watch(connection, "sender=org.bluez",
 144                                                 bluetooth_signal, NULL, NULL);
 145
 146         err = connman_driver_register(&bluetooth_driver);
 147         if (err < 0) {
 148                 dbus_connection_unref(connection);
 149                 return err;
 150         }
 151
 152         list_adapters(connection);
 153
 154         return 0;
 155 }
 156
 157 static void bluetooth_exit(void)
 158 {
 159         connman_driver_unregister(&bluetooth_driver);
 160
 161         g_dbus_remove_watch(connection, signal);
 162
 163         dbus_connection_unref(connection);
 164 }
 165
 166 CONNMAN_PLUGIN_DEFINE("bluetooth", "Bluetooth technology plugin", VERSION,
 167                                                 bluetooth_init, bluetooth_exit)