git.maemo.org Git - connman/blob - plugins/bluetooth.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 <errno.h>
  27 #include <stdlib.h>
  28
  29 #include <gdbus.h>
  30
  31 #define CONNMAN_API_SUBJECT_TO_CHANGE
  32 #include <connman/plugin.h>
  33 #include <connman/device.h>
  34 #include <connman/dbus.h>
  35 #include <connman/log.h>
  36
  37 #include "inet.h"
  38
  39 #define BLUEZ_SERVICE                   "org.bluez"
  40 #define BLUEZ_MANAGER_INTERFACE         BLUEZ_SERVICE ".Manager"
  41 #define BLUEZ_ADAPTER_INTERFACE         BLUEZ_SERVICE ".Adapter"
  42 #define BLUEZ_DEVICE_INTERFACE          BLUEZ_SERVICE ".Device"
  43 #define BLUEZ_NETWORK_INTERFACE         BLUEZ_SERVICE ".Network"
  44
  45 #define LIST_ADAPTERS                   "ListAdapters"
  46 #define ADAPTER_ADDED                   "AdapterAdded"
  47 #define ADAPTER_REMOVED                 "AdapterRemoved"
  48
  49 #define PROPERTY_CHANGED                "PropertyChanged"
  50 #define GET_PROPERTIES                  "GetProperties"
  51 #define SET_PROPERTY                    "SetProperty"
  52
  53 #define CONNECT                         "Connect"
  54 #define DISCONNECT                      "Disconnect"
  55
  56 #define TIMEOUT 5000
  57
  58 typedef void (* properties_callback_t) (DBusConnection *connection,
  59                                                         const char *path,
  60                                                         DBusMessage *message,
  61                                                         void *user_data);
  62
  63 struct properties_data {
  64         DBusConnection *connection;
  65         DBusMessage *message;
  66         properties_callback_t callback;
  67         void *user_data;
  68 };
  69
  70 static void get_properties_reply(DBusPendingCall *call, void *user_data)
  71 {
  72         struct properties_data *data = user_data;
  73         DBusMessage *reply;
  74         const char *path;
  75
  76         reply = dbus_pending_call_steal_reply(call);
  77         if (reply == NULL)
  78                 goto done;
  79
  80         path = dbus_message_get_path(data->message);
  81
  82         data->callback(data->connection, path, reply, data->user_data);
  83
  84         dbus_message_unref(reply);
  85
  86 done:
  87         dbus_message_unref(data->message);
  88         g_free(data);
  89 }
  90
  91 static void get_properties(DBusConnection *connection,
  92                                 const char *path, const char *interface,
  93                                 properties_callback_t callback, void *user_data)
  94 {
  95         struct properties_data *data;
  96         DBusMessage *message;
  97         DBusPendingCall *call;
  98
  99         DBG("path %s interface %s", path, interface);
 100
 101         data = g_try_new0(struct properties_data, 1);
 102         if (data == NULL)
 103                 return;
 104
 105         message = dbus_message_new_method_call(BLUEZ_SERVICE, path,
 106                                                 interface, GET_PROPERTIES);
 107         if (message == NULL) {
 108                 g_free(data);
 109                 return;
 110         }
 111
 112         if (dbus_connection_send_with_reply(connection, message,
 113                                                 &call, TIMEOUT) == FALSE) {
 114                 connman_error("Failed to get properties for %s", interface);
 115                 dbus_message_unref(message);
 116                 g_free(data);
 117                 return;
 118         }
 119
 120         data->connection = connection;
 121         data->message    = message;
 122         data->callback   = callback;
 123         data->user_data  = user_data;
 124
 125         dbus_pending_call_set_notify(call, get_properties_reply, data, NULL);
 126 }
 127
 128 struct adapter_data {
 129         DBusConnection *connection;
 130 };
 131
 132 struct network_data {
 133         DBusConnection *connection;
 134         char *interface;
 135 };
 136
 137 static int pan_probe(struct connman_network *network)
 138 {
 139         struct connman_device *device = connman_network_get_device(network);
 140         struct adapter_data *adapter;
 141         struct network_data *data;
 142
 143         DBG("network %p", network);
 144
 145         if (device == NULL)
 146                 return -EINVAL;
 147
 148         adapter = connman_device_get_data(device);
 149         if (adapter == NULL)
 150                 return -EINVAL;
 151
 152         data = g_try_new0(struct network_data, 1);
 153         if (data == NULL)
 154                 return -ENOMEM;
 155
 156         data->connection = adapter->connection;
 157
 158         connman_network_set_data(network, data);
 159
 160         return 0;
 161 }
 162
 163 static void pan_remove(struct connman_network *network)
 164 {
 165         struct network_data *data = connman_network_get_data(network);
 166
 167         DBG("network %p", network);
 168
 169         connman_network_set_data(network, NULL);
 170
 171         g_free(data);
 172 }
 173
 174 static void connect_reply(DBusPendingCall *call, void *user_data)
 175 {
 176         struct connman_network *network = user_data;
 177         struct network_data *data = connman_network_get_data(network);
 178         DBusMessage *reply;
 179         DBusError error;
 180         const char *interface = NULL;
 181         int index;
 182
 183         DBG("network %p", network);
 184
 185         reply = dbus_pending_call_steal_reply(call);
 186         if (reply == NULL)
 187                 return;
 188
 189         dbus_error_init(&error);
 190
 191         if (dbus_message_get_args(reply, &error,
 192                                         DBUS_TYPE_STRING, &interface,
 193                                                 DBUS_TYPE_INVALID) == FALSE) {
 194                 if (dbus_error_is_set(&error) == TRUE) {
 195                         connman_error("%s", error.message);
 196                         dbus_error_free(&error);
 197                 } else
 198                         connman_error("Wrong arguments for connect");
 199                 goto done;
 200         }
 201
 202         if (interface == NULL)
 203                 goto done;
 204
 205         DBG("interface %s", interface);
 206
 207         data->interface = g_strdup(interface);
 208
 209         index = inet_name2index(interface);
 210
 211         connman_network_set_index(network, index);
 212         connman_network_set_connected(network, TRUE);
 213
 214 done:
 215         dbus_message_unref(reply);
 216 }
 217
 218 static int pan_connect(struct connman_network *network)
 219 {
 220         struct network_data *data = connman_network_get_data(network);
 221         const char *path = connman_network_get_string(network, "Node");
 222         const char *uuid = "nap";
 223         DBusMessage *message;
 224         DBusPendingCall *call;
 225
 226         DBG("network %p", network);
 227
 228         message = dbus_message_new_method_call(BLUEZ_SERVICE, path,
 229                                         BLUEZ_NETWORK_INTERFACE, CONNECT);
 230         if (message == NULL)
 231                 return -ENOMEM;
 232
 233         dbus_message_append_args(message, DBUS_TYPE_STRING, &uuid,
 234                                                         DBUS_TYPE_INVALID);
 235
 236         if (dbus_connection_send_with_reply(data->connection, message,
 237                                         &call, TIMEOUT * 10) == FALSE) {
 238                 connman_error("Failed to connect service");
 239                 dbus_message_unref(message);
 240                 return -EINVAL;
 241         }
 242
 243         dbus_pending_call_set_notify(call, connect_reply, network, NULL);
 244
 245         dbus_message_unref(message);
 246
 247         return -EINPROGRESS;
 248 }
 249
 250 static void disconnect_reply(DBusPendingCall *call, void *user_data)
 251 {
 252         struct connman_network *network = user_data;
 253         struct network_data *data = connman_network_get_data(network);
 254         DBusMessage *reply;
 255         DBusError error;
 256
 257         DBG("network %p", network);
 258
 259         reply = dbus_pending_call_steal_reply(call);
 260         if (reply == NULL)
 261                 return;
 262
 263         dbus_error_init(&error);
 264
 265         if (dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) == FALSE) {
 266                 if (dbus_error_is_set(&error) == TRUE) {
 267                         connman_error("%s", error.message);
 268                         dbus_error_free(&error);
 269                 } else
 270                         connman_error("Wrong arguments for disconnect");
 271                 goto done;
 272         }
 273
 274         g_free(data->interface);
 275         data->interface = NULL;
 276
 277         connman_network_set_connected(network, FALSE);
 278         connman_network_set_index(network, -1);
 279
 280 done:
 281         dbus_message_unref(reply);
 282 }
 283
 284 static int pan_disconnect(struct connman_network *network)
 285 {
 286         struct network_data *data = connman_network_get_data(network);
 287         const char *path = connman_network_get_string(network, "Node");
 288         DBusMessage *message;
 289         DBusPendingCall *call;
 290
 291         DBG("network %p", network);
 292
 293         if (data->interface == NULL)
 294                 return -EINVAL;
 295
 296         message = dbus_message_new_method_call(BLUEZ_SERVICE, path,
 297                                         BLUEZ_NETWORK_INTERFACE, DISCONNECT);
 298         if (message == NULL)
 299                 return -ENOMEM;
 300
 301         dbus_message_append_args(message, DBUS_TYPE_INVALID);
 302
 303         if (dbus_connection_send_with_reply(data->connection, message,
 304                                                 &call, TIMEOUT) == FALSE) {
 305                 connman_error("Failed to disconnect service");
 306                 dbus_message_unref(message);
 307                 return -EINVAL;
 308         }
 309
 310         dbus_pending_call_set_notify(call, disconnect_reply, network, NULL);
 311
 312         dbus_message_unref(message);
 313
 314         return -EINPROGRESS;
 315 }
 316
 317 static struct connman_network_driver pan_driver = {
 318         .name           = "bluetooth-pan",
 319         .type           = CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN,
 320         .probe          = pan_probe,
 321         .remove         = pan_remove,
 322         .connect        = pan_connect,
 323         .disconnect     = pan_disconnect,
 324 };
 325
 326 static int bluetooth_probe(struct connman_device *adapter)
 327 {
 328         struct adapter_data *data;
 329
 330         DBG("adapter %p", adapter);
 331
 332         data = g_try_new0(struct adapter_data, 1);
 333         if (data == NULL)
 334                 return -ENOMEM;
 335
 336         data->connection = connman_dbus_get_connection();
 337         if (data->connection == NULL) {
 338                 g_free(data);
 339                 return -EIO;
 340         }
 341
 342         connman_device_set_data(adapter, data);
 343
 344         return 0;
 345 }
 346
 347 static void bluetooth_remove(struct connman_device *adapter)
 348 {
 349         struct adapter_data *data = connman_device_get_data(adapter);
 350
 351         DBG("adapter %p", adapter);
 352
 353         connman_device_set_data(adapter, NULL);
 354
 355         dbus_connection_unref(data->connection);
 356
 357         g_free(data);
 358 }
 359
 360 static void powered_reply(DBusPendingCall *call, void *user_data)
 361 {
 362         DBusMessage *reply;
 363
 364         DBG("");
 365
 366         reply = dbus_pending_call_steal_reply(call);
 367
 368         dbus_message_unref(reply);
 369 }
 370
 371 static int change_powered(DBusConnection *connection, const char *path,
 372                                                         dbus_bool_t powered)
 373 {
 374         DBusMessage *message;
 375         DBusMessageIter iter;
 376         DBusPendingCall *call;
 377
 378         DBG("");
 379
 380         message = dbus_message_new_method_call(BLUEZ_SERVICE, path,
 381                                         BLUEZ_ADAPTER_INTERFACE, SET_PROPERTY);
 382         if (message == NULL)
 383                 return -ENOMEM;
 384
 385         dbus_message_iter_init_append(message, &iter);
 386         connman_dbus_property_append_variant(&iter, "Powered",
 387                                                 DBUS_TYPE_BOOLEAN, &powered);
 388
 389         if (dbus_connection_send_with_reply(connection, message,
 390                                                 &call, TIMEOUT) == FALSE) {
 391                 connman_error("Failed to change Powered property");
 392                 dbus_message_unref(message);
 393                 return -EINVAL;
 394         }
 395
 396         dbus_pending_call_set_notify(call, powered_reply, NULL, NULL);
 397
 398         dbus_message_unref(message);
 399
 400         return -EINPROGRESS;
 401 }
 402
 403 static int bluetooth_enable(struct connman_device *adapter)
 404 {
 405         struct adapter_data *data = connman_device_get_data(adapter);
 406         const char *path = connman_device_get_string(adapter, "Node");
 407
 408         DBG("adapter %p", adapter);
 409
 410         return change_powered(data->connection, path, TRUE);
 411 }
 412
 413 static int bluetooth_disable(struct connman_device *adapter)
 414 {
 415         struct adapter_data *data = connman_device_get_data(adapter);
 416         const char *path = connman_device_get_string(adapter, "Node");
 417
 418         DBG("adapter %p", adapter);
 419
 420         return change_powered(data->connection, path, FALSE);
 421 }
 422
 423 static int bluetooth_scan(struct connman_device *adapter)
 424 {
 425         DBG("adapter %p", adapter);
 426
 427         return -EIO;
 428 }
 429
 430 static struct connman_device_driver bluetooth_driver = {
 431         .name           = "bluetooth",
 432         .type           = CONNMAN_DEVICE_TYPE_BLUETOOTH,
 433         .probe          = bluetooth_probe,
 434         .remove         = bluetooth_remove,
 435         .enable         = bluetooth_enable,
 436         .disable        = bluetooth_disable,
 437         .scan           = bluetooth_scan,
 438 };
 439
 440 static GSList *adapter_list = NULL;
 441
 442 static void free_adapters(void)
 443 {
 444         GSList *list;
 445
 446         DBG("");
 447
 448         for (list = adapter_list; list; list = list->next) {
 449                 struct connman_device *adapter = list->data;
 450
 451                 connman_device_unregister(adapter);
 452                 connman_device_unref(adapter);
 453         }
 454
 455         g_slist_free(adapter_list);
 456         adapter_list = NULL;
 457 }
 458
 459 static struct connman_device *find_adapter(const char *path)
 460 {
 461         GSList *list;
 462
 463         DBG("path %s", path);
 464
 465         for (list = adapter_list; list; list = list->next) {
 466                 struct connman_device *adapter = list->data;
 467                 const char *adapter_path = connman_device_get_string(adapter,
 468                                                                         "Node");
 469
 470                 if (adapter_path == NULL)
 471                         continue;
 472
 473                 if (g_str_equal(adapter_path, path) == TRUE)
 474                         return adapter;
 475         }
 476
 477         return NULL;
 478 }
 479
 480 static void device_properties(DBusConnection *connection, const char *path,
 481                                 DBusMessage *message, void *user_data)
 482 {
 483         struct connman_device *device = user_data;
 484         const char *node = g_basename(path);
 485         struct connman_network *network;
 486
 487         DBG("path %s", path);
 488
 489         network = connman_device_get_network(device, node);
 490         if (network != NULL)
 491                 return;
 492
 493         network = connman_network_create(node,
 494                                         CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN);
 495         if (network == NULL)
 496                 return;
 497
 498         connman_network_set_protocol(network, CONNMAN_NETWORK_PROTOCOL_IP);
 499
 500         connman_network_set_string(network, "Node", path);
 501
 502         connman_device_add_network(device, network);
 503 }
 504
 505 static void check_devices(struct connman_device *adapter,
 506                         DBusConnection *connection, DBusMessageIter *array)
 507 {
 508         DBusMessageIter value;
 509
 510         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
 511                 return;
 512
 513         dbus_message_iter_recurse(array, &value);
 514
 515         while (dbus_message_iter_get_arg_type(&value) == DBUS_TYPE_OBJECT_PATH) {
 516                 const char *path;
 517
 518                 dbus_message_iter_get_basic(&value, &path);
 519
 520                 get_properties(connection, path, BLUEZ_DEVICE_INTERFACE,
 521                                                 device_properties, adapter);
 522
 523                 dbus_message_iter_next(&value);
 524         }
 525 }
 526
 527 static void property_changed(DBusConnection *connection, DBusMessage *message)
 528 {
 529         const char *path = dbus_message_get_path(message);
 530         struct connman_device *adapter;
 531         DBusMessageIter iter, value;
 532         const char *key;
 533
 534         DBG("path %s", path);
 535
 536         adapter = find_adapter(path);
 537         if (adapter == NULL)
 538                 return;
 539
 540         if (dbus_message_iter_init(message, &iter) == FALSE)
 541                 return;
 542
 543         dbus_message_iter_get_basic(&iter, &key);
 544
 545         dbus_message_iter_next(&iter);
 546         dbus_message_iter_recurse(&iter, &value);
 547
 548         if (g_str_equal(key, "Powered") == TRUE) {
 549                 gboolean val;
 550
 551                 dbus_message_iter_get_basic(&value, &val);
 552                 connman_device_set_powered(adapter, val);
 553         } else if (g_str_equal(key, "Discovering") == TRUE) {
 554                 gboolean val;
 555
 556                 dbus_message_iter_get_basic(&value, &val);
 557                 connman_device_set_scanning(adapter, val);
 558         }
 559 }
 560
 561 static void parse_adapter_properties(struct connman_device *adapter,
 562                                                 DBusConnection *connection,
 563                                                         DBusMessage *reply)
 564 {
 565         DBusMessageIter array, dict;
 566
 567         if (dbus_message_iter_init(reply, &array) == FALSE)
 568                 return;
 569
 570         if (dbus_message_iter_get_arg_type(&array) != DBUS_TYPE_ARRAY)
 571                 return;
 572
 573         dbus_message_iter_recurse(&array, &dict);
 574
 575         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 576                 DBusMessageIter entry, value;
 577                 const char *key;
 578
 579                 dbus_message_iter_recurse(&dict, &entry);
 580                 dbus_message_iter_get_basic(&entry, &key);
 581
 582                 dbus_message_iter_next(&entry);
 583                 dbus_message_iter_recurse(&entry, &value);
 584
 585                 if (g_str_equal(key, "Powered") == TRUE) {
 586                         gboolean val;
 587
 588                         dbus_message_iter_get_basic(&value, &val);
 589                         connman_device_set_powered(adapter, val);
 590                 } else if (g_str_equal(key, "Discovering") == TRUE) {
 591                         gboolean val;
 592
 593                         dbus_message_iter_get_basic(&value, &val);
 594                         connman_device_set_scanning(adapter, val);
 595                 } else if (g_str_equal(key, "Devices") == TRUE) {
 596                         check_devices(adapter, connection, &value);
 597                 }
 598
 599                 dbus_message_iter_next(&dict);
 600         }
 601 }
 602
 603 static void adapter_properties(DBusConnection *connection, const char *path,
 604                                 DBusMessage *message, void *user_data)
 605 {
 606         const char *node = g_basename(path);
 607         struct connman_device *adapter;
 608
 609         DBG("path %s", path);
 610
 611         adapter = find_adapter(path);
 612         if (adapter != NULL)
 613                 goto done;
 614
 615         adapter = connman_device_create(node, CONNMAN_DEVICE_TYPE_BLUETOOTH);
 616         if (adapter == NULL)
 617                 return;
 618
 619         connman_device_set_string(adapter, "Node", path);
 620
 621         if (node != NULL && g_str_has_prefix(node, "hci") == TRUE) {
 622                 int index;
 623                 errno = 0;
 624                 index = atoi(node + 3);
 625                 if (errno == 0)
 626                         connman_device_set_index(adapter, index);
 627         }
 628
 629         connman_device_set_interface(adapter, node);
 630
 631         connman_device_set_policy(adapter, CONNMAN_DEVICE_POLICY_MANUAL);
 632         connman_device_set_mode(adapter, CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE);
 633
 634         if (connman_device_register(adapter) < 0) {
 635                 connman_device_unref(adapter);
 636                 return;
 637         }
 638
 639         adapter_list = g_slist_append(adapter_list, adapter);
 640
 641 done:
 642         parse_adapter_properties(adapter, connection, message);
 643 }
 644
 645 static void add_adapter(DBusConnection *connection, const char *path)
 646 {
 647         DBG("path %s", path);
 648
 649         get_properties(connection, path, BLUEZ_ADAPTER_INTERFACE,
 650                                                 adapter_properties, NULL);
 651 }
 652
 653 static void remove_adapter(DBusConnection *connection, const char *path)
 654 {
 655         struct connman_device *adapter;
 656
 657         DBG("path %s", path);
 658
 659         adapter = find_adapter(path);
 660         if (adapter == NULL)
 661                 return;
 662
 663         adapter_list = g_slist_remove(adapter_list, adapter);
 664
 665         connman_device_unregister(adapter);
 666         connman_device_unref(adapter);
 667 }
 668
 669 static void list_adapters_reply(DBusPendingCall *call, void *user_data)
 670 {
 671         DBusConnection *connection = user_data;
 672         DBusMessage *reply;
 673         DBusError error;
 674         char **adapters;
 675         int i, num_adapters;
 676
 677         DBG("");
 678
 679         reply = dbus_pending_call_steal_reply(call);
 680
 681         dbus_error_init(&error);
 682
 683         if (dbus_message_get_args(reply, &error,
 684                                 DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH,
 685                                                 &adapters, &num_adapters,
 686                                                 DBUS_TYPE_INVALID) == FALSE) {
 687                 if (dbus_error_is_set(&error) == TRUE) {
 688                         connman_error("%s", error.message);
 689                         dbus_error_free(&error);
 690                 } else
 691                         connman_error("Wrong arguments for adapter list");
 692                 goto done;
 693         }
 694
 695         for (i = 0; i < num_adapters; i++)
 696                 get_properties(connection, adapters[i],
 697                                         BLUEZ_ADAPTER_INTERFACE,
 698                                                 adapter_properties, NULL);
 699
 700         g_strfreev(adapters);
 701
 702 done:
 703         dbus_message_unref(reply);
 704 }
 705
 706 static void bluetooth_connect(DBusConnection *connection, void *user_data)
 707 {
 708         DBusMessage *message;
 709         DBusPendingCall *call;
 710
 711         DBG("connection %p", connection);
 712
 713         message = dbus_message_new_method_call(BLUEZ_SERVICE, "/",
 714                                 BLUEZ_MANAGER_INTERFACE, LIST_ADAPTERS);
 715         if (message == NULL)
 716                 return;
 717
 718         if (dbus_connection_send_with_reply(connection, message,
 719                                                 &call, TIMEOUT) == FALSE) {
 720                 connman_error("Failed to get Bluetooth adapters");
 721                 dbus_message_unref(message);
 722                 return;
 723         }
 724
 725         dbus_pending_call_set_notify(call, list_adapters_reply,
 726                                                         connection, NULL);
 727
 728         dbus_message_unref(message);
 729 }
 730
 731 static void bluetooth_disconnect(DBusConnection *connection, void *user_data)
 732 {
 733         DBG("connection %p", connection);
 734
 735         free_adapters();
 736 }
 737
 738 static DBusHandlerResult bluetooth_signal(DBusConnection *connection,
 739                                         DBusMessage *message, void *user_data)
 740 {
 741         if (dbus_message_has_interface(message,
 742                         BLUEZ_MANAGER_INTERFACE) == FALSE &&
 743                                 dbus_message_has_interface(message,
 744                                         BLUEZ_ADAPTER_INTERFACE) == FALSE)
 745                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 746
 747         DBG("connection %p", connection);
 748
 749         if (dbus_message_is_signal(message, BLUEZ_ADAPTER_INTERFACE,
 750                                                 PROPERTY_CHANGED) == TRUE) {
 751                 property_changed(connection, message);
 752         } else if (dbus_message_is_signal(message, BLUEZ_MANAGER_INTERFACE,
 753                                                 ADAPTER_ADDED) == TRUE) {
 754                 const char *path;
 755                 dbus_message_get_args(message, NULL,
 756                                         DBUS_TYPE_OBJECT_PATH, &path,
 757                                                         DBUS_TYPE_INVALID);
 758                 add_adapter(connection, path);
 759         } else if (dbus_message_is_signal(message, BLUEZ_MANAGER_INTERFACE,
 760                                                 ADAPTER_REMOVED) == TRUE) {
 761                 const char *path;
 762                 dbus_message_get_args(message, NULL,
 763                                         DBUS_TYPE_OBJECT_PATH, &path,
 764                                                         DBUS_TYPE_INVALID);
 765                 remove_adapter(connection, path);
 766         }
 767
 768         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 769 }
 770
 771 static DBusConnection *connection;
 772 static guint watch;
 773
 774 static const char *added_rule = "type=signal,member=" ADAPTER_ADDED
 775                                         ",interface=" BLUEZ_MANAGER_INTERFACE;
 776 static const char *removed_rule = "type=signal,member=" ADAPTER_REMOVED
 777                                         ",interface=" BLUEZ_MANAGER_INTERFACE;
 778
 779 static const char *adapter_rule = "type=signal,member=" PROPERTY_CHANGED
 780                                         ",interface=" BLUEZ_ADAPTER_INTERFACE;
 781
 782 static int bluetooth_init(void)
 783 {
 784         int err = -EIO;
 785
 786         connection = connman_dbus_get_connection();
 787         if (connection == NULL)
 788                 return -EIO;
 789
 790         if (dbus_connection_add_filter(connection, bluetooth_signal,
 791                                                         NULL, NULL) == FALSE)
 792                 goto unref;
 793
 794         err = connman_network_driver_register(&pan_driver);
 795         if (err < 0)
 796                 goto remove;
 797
 798         err = connman_device_driver_register(&bluetooth_driver);
 799         if (err < 0) {
 800                 connman_network_driver_unregister(&pan_driver);
 801                 goto remove;
 802         }
 803
 804         watch = g_dbus_add_service_watch(connection, BLUEZ_SERVICE,
 805                         bluetooth_connect, bluetooth_disconnect, NULL, NULL);
 806         if (watch == 0) {
 807                 connman_device_driver_unregister(&bluetooth_driver);
 808                 connman_network_driver_unregister(&pan_driver);
 809                 err = -EIO;
 810                 goto remove;
 811         }
 812
 813         if (g_dbus_check_service(connection, BLUEZ_SERVICE) == TRUE)
 814                 bluetooth_connect(connection, NULL);
 815
 816         dbus_bus_add_match(connection, added_rule, NULL);
 817         dbus_bus_add_match(connection, removed_rule, NULL);
 818         dbus_bus_add_match(connection, adapter_rule, NULL);
 819         dbus_connection_flush(connection);
 820
 821         return 0;
 822
 823 remove:
 824         dbus_connection_remove_filter(connection, bluetooth_signal, NULL);
 825
 826 unref:
 827         dbus_connection_unref(connection);
 828
 829         return err;
 830 }
 831
 832 static void bluetooth_exit(void)
 833 {
 834         dbus_bus_remove_match(connection, adapter_rule, NULL);
 835         dbus_bus_remove_match(connection, removed_rule, NULL);
 836         dbus_bus_remove_match(connection, added_rule, NULL);
 837         dbus_connection_flush(connection);
 838
 839         g_dbus_remove_watch(connection, watch);
 840
 841         free_adapters();
 842
 843         connman_device_driver_unregister(&bluetooth_driver);
 844         connman_network_driver_unregister(&pan_driver);
 845
 846         dbus_connection_remove_filter(connection, bluetooth_signal, NULL);
 847
 848         dbus_connection_unref(connection);
 849 }
 850
 851 CONNMAN_PLUGIN_DEFINE(bluetooth, "Bluetooth technology plugin", VERSION,
 852                 CONNMAN_PLUGIN_PRIORITY_DEFAULT, bluetooth_init, bluetooth_exit)