plugins/dundee.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2012  BMW Car IT GmbH. 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 <string.h>
  27 #include <errno.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/network.h>
  35 #include <connman/service.h>
  36 #include <connman/inet.h>
  37 #include <connman/dbus.h>
  38
  39 #define DUNDEE_SERVICE                  "org.ofono.dundee"
  40 #define DUNDEE_MANAGER_INTERFACE        DUNDEE_SERVICE ".Manager"
  41 #define DUNDEE_DEVICE_INTERFACE         DUNDEE_SERVICE ".Device"
  42
  43 #define DEVICE_ADDED                    "DeviceAdded"
  44 #define DEVICE_REMOVED                  "DeviceRemoved"
  45 #define PROPERTY_CHANGED                "PropertyChanged"
  46
  47 #define GET_PROPERTIES                  "GetProperties"
  48 #define SET_PROPERTY                    "SetProperty"
  49 #define GET_DEVICES                     "GetDevices"
  50
  51 #define TIMEOUT 60000
  52
  53 static DBusConnection *connection;
  54
  55 static GHashTable *dundee_devices = NULL;
  56
  57 struct dundee_data {
  58         char *path;
  59         char *name;
  60
  61         struct connman_device *device;
  62         struct connman_network *network;
  63
  64         bool active;
  65
  66         int index;
  67
  68         /* IPv4 Settings */
  69         enum connman_ipconfig_method method;
  70         struct connman_ipaddress *address;
  71         char *nameservers;
  72
  73         DBusPendingCall *call;
  74 };
  75
  76 static char *get_ident(const char *path)
  77 {
  78         char *pos;
  79
  80         if (*path != '/')
  81                 return NULL;
  82
  83         pos = strrchr(path, '/');
  84         if (!pos)
  85                 return NULL;
  86
  87         return pos + 1;
  88 }
  89
  90 static int create_device(struct dundee_data *info)
  91 {
  92         struct connman_device *device;
  93         char *ident;
  94         int err;
  95
  96         DBG("%s", info->path);
  97
  98         ident = g_strdup(get_ident(info->path));
  99         device = connman_device_create("dundee", CONNMAN_DEVICE_TYPE_BLUETOOTH);
 100         if (!device) {
 101                 err = -ENOMEM;
 102                 goto out;
 103         }
 104
 105         DBG("device %p", device);
 106
 107         connman_device_set_ident(device, ident);
 108
 109         connman_device_set_string(device, "Path", info->path);
 110
 111         connman_device_set_data(device, info);
 112
 113         err = connman_device_register(device);
 114         if (err < 0) {
 115                 connman_error("Failed to register DUN device");
 116                 connman_device_unref(device);
 117                 goto out;
 118         }
 119
 120         info->device = device;
 121
 122 out:
 123         g_free(ident);
 124         return err;
 125 }
 126
 127 static void destroy_device(struct dundee_data *info)
 128 {
 129         connman_device_set_powered(info->device, false);
 130
 131         if (info->call)
 132                 dbus_pending_call_cancel(info->call);
 133
 134         if (info->network) {
 135                 connman_device_remove_network(info->device, info->network);
 136                 connman_network_unref(info->network);
 137                 info->network = NULL;
 138         }
 139
 140         connman_device_unregister(info->device);
 141         connman_device_unref(info->device);
 142
 143         info->device = NULL;
 144 }
 145
 146 static void device_destroy(gpointer data)
 147 {
 148         struct dundee_data *info = data;
 149
 150         if (info->device)
 151                 destroy_device(info);
 152
 153         g_free(info->path);
 154         g_free(info->name);
 155
 156         g_free(info);
 157 }
 158
 159 static int create_network(struct dundee_data *info)
 160 {
 161         struct connman_network *network;
 162         const char *group;
 163         int err;
 164
 165         DBG("%s", info->path);
 166
 167         network = connman_network_create(info->path,
 168                                 CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN);
 169         if (!network)
 170                 return -ENOMEM;
 171
 172         DBG("network %p", network);
 173
 174         connman_network_set_data(network, info);
 175
 176         connman_network_set_string(network, "Path",
 177                                 info->path);
 178
 179         connman_network_set_name(network, info->name);
 180
 181         group = get_ident(info->path);
 182         connman_network_set_group(network, group);
 183
 184         err = connman_device_add_network(info->device, network);
 185         if (err < 0) {
 186                 connman_network_unref(network);
 187                 return err;
 188         }
 189
 190         info->network = network;
 191
 192         return 0;
 193 }
 194
 195 static void set_connected(struct dundee_data *info)
 196 {
 197         struct connman_service *service;
 198
 199         DBG("%s", info->path);
 200
 201         connman_inet_ifup(info->index);
 202
 203         service = connman_service_lookup_from_network(info->network);
 204         if (!service)
 205                 return;
 206
 207         connman_service_create_ip4config(service, info->index);
 208         connman_network_set_index(info->network, info->index);
 209         connman_network_set_ipv4_method(info->network,
 210                                         CONNMAN_IPCONFIG_METHOD_FIXED);
 211         connman_network_set_ipaddress(info->network, info->address);
 212         connman_network_set_nameservers(info->network, info->nameservers);
 213
 214         connman_network_set_connected(info->network, true);
 215 }
 216
 217 static void set_disconnected(struct dundee_data *info)
 218 {
 219         DBG("%s", info->path);
 220
 221         connman_network_set_connected(info->network, false);
 222         connman_inet_ifdown(info->index);
 223 }
 224
 225 static void set_property_reply(DBusPendingCall *call, void *user_data)
 226 {
 227         struct dundee_data *info = user_data;
 228         DBusMessage *reply;
 229         DBusError error;
 230
 231         DBG("%s", info->path);
 232
 233         info->call = NULL;
 234
 235         dbus_error_init(&error);
 236
 237         reply = dbus_pending_call_steal_reply(call);
 238
 239         if (dbus_set_error_from_message(&error, reply)) {
 240                 connman_error("Failed to change property: %s %s %s",
 241                                 info->path, error.name, error.message);
 242                 dbus_error_free(&error);
 243
 244                 connman_network_set_error(info->network,
 245                                         CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
 246         }
 247
 248         dbus_message_unref(reply);
 249
 250         dbus_pending_call_unref(call);
 251 }
 252
 253 static int set_property(struct dundee_data *info,
 254                         const char *property, int type, void *value)
 255 {
 256         DBusMessage *message;
 257         DBusMessageIter iter;
 258
 259         DBG("%s %s", info->path, property);
 260
 261         message = dbus_message_new_method_call(DUNDEE_SERVICE, info->path,
 262                                         DUNDEE_DEVICE_INTERFACE, SET_PROPERTY);
 263         if (!message)
 264                 return -ENOMEM;
 265
 266         dbus_message_iter_init_append(message, &iter);
 267         connman_dbus_property_append_basic(&iter, property, type, value);
 268
 269         if (!dbus_connection_send_with_reply(connection, message,
 270                                                 &info->call, TIMEOUT)) {
 271                 connman_error("Failed to change property: %s %s",
 272                                 info->path, property);
 273                 dbus_message_unref(message);
 274                 return -EINVAL;
 275         }
 276
 277         if (!info->call) {
 278                 connman_error("D-Bus connection not available");
 279                 dbus_message_unref(message);
 280                 return -EINVAL;
 281         }
 282
 283         dbus_pending_call_set_notify(info->call, set_property_reply,
 284                                         info, NULL);
 285
 286         dbus_message_unref(message);
 287
 288         return -EINPROGRESS;
 289 }
 290
 291 static int device_set_active(struct dundee_data *info)
 292 {
 293         dbus_bool_t active = TRUE;
 294
 295         DBG("%s", info->path);
 296
 297         return set_property(info, "Active", DBUS_TYPE_BOOLEAN,
 298                                 &active);
 299 }
 300
 301 static int device_set_inactive(struct dundee_data *info)
 302 {
 303         dbus_bool_t active = FALSE;
 304         int err;
 305
 306         DBG("%s", info->path);
 307
 308         err = set_property(info, "Active", DBUS_TYPE_BOOLEAN,
 309                                 &active);
 310         if (err == -EINPROGRESS)
 311                 return 0;
 312
 313         return err;
 314 }
 315
 316 static int network_probe(struct connman_network *network)
 317 {
 318         DBG("network %p", network);
 319
 320         return 0;
 321 }
 322
 323 static void network_remove(struct connman_network *network)
 324 {
 325         DBG("network %p", network);
 326 }
 327
 328 static int network_connect(struct connman_network *network)
 329 {
 330         struct dundee_data *info = connman_network_get_data(network);
 331
 332         DBG("network %p", network);
 333
 334         return device_set_active(info);
 335 }
 336
 337 static int network_disconnect(struct connman_network *network)
 338 {
 339         struct dundee_data *info = connman_network_get_data(network);
 340
 341         DBG("network %p", network);
 342
 343         return device_set_inactive(info);
 344 }
 345
 346 static struct connman_network_driver network_driver = {
 347         .name           = "network",
 348         .type           = CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN,
 349         .probe          = network_probe,
 350         .remove         = network_remove,
 351         .connect        = network_connect,
 352         .disconnect     = network_disconnect,
 353 };
 354
 355 static int dundee_probe(struct connman_device *device)
 356 {
 357         GHashTableIter iter;
 358         gpointer key, value;
 359
 360         DBG("device %p", device);
 361
 362         if (!dundee_devices)
 363                 return -ENOTSUP;
 364
 365         g_hash_table_iter_init(&iter, dundee_devices);
 366
 367         while (g_hash_table_iter_next(&iter, &key, &value)) {
 368                 struct dundee_data *info = value;
 369
 370                 if (device == info->device)
 371                         return 0;
 372         }
 373
 374         return -ENOTSUP;
 375 }
 376
 377 static void dundee_remove(struct connman_device *device)
 378 {
 379         DBG("device %p", device);
 380 }
 381
 382 static int dundee_enable(struct connman_device *device)
 383 {
 384         DBG("device %p", device);
 385
 386         return 0;
 387 }
 388
 389 static int dundee_disable(struct connman_device *device)
 390 {
 391         DBG("device %p", device);
 392
 393         return 0;
 394 }
 395
 396 static struct connman_device_driver dundee_driver = {
 397         .name           = "dundee",
 398         .type           = CONNMAN_DEVICE_TYPE_BLUETOOTH,
 399         .probe          = dundee_probe,
 400         .remove         = dundee_remove,
 401         .enable         = dundee_enable,
 402         .disable        = dundee_disable,
 403 };
 404
 405 static char *extract_nameservers(DBusMessageIter *array)
 406 {
 407         DBusMessageIter entry;
 408         char *nameservers = NULL;
 409         char *tmp;
 410
 411         dbus_message_iter_recurse(array, &entry);
 412
 413         while (dbus_message_iter_get_arg_type(&entry) == DBUS_TYPE_STRING) {
 414                 const char *nameserver;
 415
 416                 dbus_message_iter_get_basic(&entry, &nameserver);
 417
 418                 if (!nameservers) {
 419                         nameservers = g_strdup(nameserver);
 420                 } else {
 421                         tmp = nameservers;
 422                         nameservers = g_strdup_printf("%s %s", tmp, nameserver);
 423                         g_free(tmp);
 424                 }
 425
 426                 dbus_message_iter_next(&entry);
 427         }
 428
 429         return nameservers;
 430 }
 431
 432 static void extract_settings(DBusMessageIter *array,
 433                                 struct dundee_data *info)
 434 {
 435         DBusMessageIter dict;
 436         char *address = NULL, *gateway = NULL;
 437         char *nameservers = NULL;
 438         const char *interface = NULL;
 439         int index = -1;
 440
 441         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
 442                 return;
 443
 444         dbus_message_iter_recurse(array, &dict);
 445
 446         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 447                 DBusMessageIter entry, value;
 448                 const char *key, *val;
 449
 450                 dbus_message_iter_recurse(&dict, &entry);
 451                 dbus_message_iter_get_basic(&entry, &key);
 452
 453                 dbus_message_iter_next(&entry);
 454                 dbus_message_iter_recurse(&entry, &value);
 455
 456                 if (g_str_equal(key, "Interface")) {
 457                         dbus_message_iter_get_basic(&value, &interface);
 458
 459                         DBG("Interface %s", interface);
 460
 461                         index = connman_inet_ifindex(interface);
 462
 463                         DBG("index %d", index);
 464
 465                         if (index < 0)
 466                                 break;
 467                 } else if (g_str_equal(key, "Address")) {
 468                         dbus_message_iter_get_basic(&value, &val);
 469
 470                         address = g_strdup(val);
 471
 472                         DBG("Address %s", address);
 473                 } else if (g_str_equal(key, "DomainNameServers")) {
 474                         nameservers = extract_nameservers(&value);
 475
 476                         DBG("Nameservers %s", nameservers);
 477                 } else if (g_str_equal(key, "Gateway")) {
 478                         dbus_message_iter_get_basic(&value, &val);
 479
 480                         gateway = g_strdup(val);
 481
 482                         DBG("Gateway %s", gateway);
 483                 }
 484
 485                 dbus_message_iter_next(&dict);
 486         }
 487
 488         if (index < 0)
 489                 goto out;
 490
 491         info->address = connman_ipaddress_alloc(CONNMAN_IPCONFIG_TYPE_IPV4);
 492         if (!info->address)
 493                 goto out;
 494
 495         info->index = index;
 496         connman_ipaddress_set_ipv4(info->address, address, NULL, gateway);
 497
 498         info->nameservers = nameservers;
 499
 500 out:
 501         if (info->nameservers != nameservers)
 502                 g_free(nameservers);
 503
 504         g_free(address);
 505         g_free(gateway);
 506 }
 507
 508 static gboolean device_changed(DBusConnection *conn,
 509                                 DBusMessage *message,
 510                                 void *user_data)
 511 {
 512         const char *path = dbus_message_get_path(message);
 513         struct dundee_data *info = NULL;
 514         DBusMessageIter iter, value;
 515         const char *key;
 516         const char *signature = DBUS_TYPE_STRING_AS_STRING
 517                 DBUS_TYPE_VARIANT_AS_STRING;
 518
 519         if (!dbus_message_has_signature(message, signature)) {
 520                 connman_error("dundee signature does not match");
 521                 return TRUE;
 522         }
 523
 524         info = g_hash_table_lookup(dundee_devices, path);
 525         if (!info)
 526                 return TRUE;
 527
 528         if (!dbus_message_iter_init(message, &iter))
 529                 return TRUE;
 530
 531         dbus_message_iter_get_basic(&iter, &key);
 532
 533         dbus_message_iter_next(&iter);
 534         dbus_message_iter_recurse(&iter, &value);
 535
 536         /*
 537          * Dundee guarantees the ordering of Settings and
 538          * Active. Settings will always be send before Active = True.
 539          * That means we don't have to order here.
 540          */
 541         if (g_str_equal(key, "Active")) {
 542                 dbus_bool_t active;
 543
 544                 dbus_message_iter_get_basic(&value, &active);
 545                 info->active = active;
 546
 547                 DBG("%s Active %d", info->path, info->active);
 548
 549                 if (info->active)
 550                         set_connected(info);
 551                 else
 552                         set_disconnected(info);
 553         } else if (g_str_equal(key, "Settings")) {
 554                 DBG("%s Settings", info->path);
 555
 556                 extract_settings(&value, info);
 557         } else if (g_str_equal(key, "Name")) {
 558                 char *name;
 559
 560                 dbus_message_iter_get_basic(&value, &name);
 561
 562                 g_free(info->name);
 563                 info->name = g_strdup(name);
 564
 565                 DBG("%s Name %s", info->path, info->name);
 566
 567                 connman_network_set_name(info->network, info->name);
 568                 connman_network_update(info->network);
 569         }
 570
 571         return TRUE;
 572 }
 573
 574 static void add_device(const char *path, DBusMessageIter *properties)
 575 {
 576         struct dundee_data *info;
 577         int err;
 578
 579         info = g_hash_table_lookup(dundee_devices, path);
 580         if (info)
 581                 return;
 582
 583         info = g_try_new0(struct dundee_data, 1);
 584         if (!info)
 585                 return;
 586
 587         info->path = g_strdup(path);
 588
 589         while (dbus_message_iter_get_arg_type(properties) ==
 590                         DBUS_TYPE_DICT_ENTRY) {
 591                 DBusMessageIter entry, value;
 592                 const char *key;
 593
 594                 dbus_message_iter_recurse(properties, &entry);
 595                 dbus_message_iter_get_basic(&entry, &key);
 596
 597                 dbus_message_iter_next(&entry);
 598                 dbus_message_iter_recurse(&entry, &value);
 599
 600                 if (g_str_equal(key, "Active")) {
 601                         dbus_bool_t active;
 602
 603                         dbus_message_iter_get_basic(&value, &active);
 604                         info->active = active;
 605
 606                         DBG("%s Active %d", info->path, info->active);
 607                 } else if (g_str_equal(key, "Settings")) {
 608                         DBG("%s Settings", info->path);
 609
 610                         extract_settings(&value, info);
 611                 } else if (g_str_equal(key, "Name")) {
 612                         char *name;
 613
 614                         dbus_message_iter_get_basic(&value, &name);
 615
 616                         info->name = g_strdup(name);
 617
 618                         DBG("%s Name %s", info->path, info->name);
 619                 }
 620
 621                 dbus_message_iter_next(properties);
 622         }
 623
 624         g_hash_table_insert(dundee_devices, g_strdup(path), info);
 625
 626         err = create_device(info);
 627         if (err < 0)
 628                 goto out;
 629
 630         err = create_network(info);
 631         if (err < 0) {
 632                 destroy_device(info);
 633                 goto out;
 634         }
 635
 636         if (info->active)
 637                 set_connected(info);
 638
 639         return;
 640
 641 out:
 642         g_hash_table_remove(dundee_devices, path);
 643 }
 644
 645 static gboolean device_added(DBusConnection *conn, DBusMessage *message,
 646                                 void *user_data)
 647 {
 648         DBusMessageIter iter, properties;
 649         const char *path;
 650         const char *signature = DBUS_TYPE_OBJECT_PATH_AS_STRING
 651                 DBUS_TYPE_ARRAY_AS_STRING
 652                 DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 653                 DBUS_TYPE_STRING_AS_STRING
 654                 DBUS_TYPE_VARIANT_AS_STRING
 655                 DBUS_DICT_ENTRY_END_CHAR_AS_STRING;
 656
 657         if (!dbus_message_has_signature(message, signature)) {
 658                 connman_error("dundee signature does not match");
 659                 return TRUE;
 660         }
 661
 662         DBG("");
 663
 664         if (!dbus_message_iter_init(message, &iter))
 665                 return TRUE;
 666
 667         dbus_message_iter_get_basic(&iter, &path);
 668
 669         dbus_message_iter_next(&iter);
 670         dbus_message_iter_recurse(&iter, &properties);
 671
 672         add_device(path, &properties);
 673
 674         return TRUE;
 675 }
 676
 677 static void remove_device(DBusConnection *conn, const char *path)
 678 {
 679         DBG("path %s", path);
 680
 681         g_hash_table_remove(dundee_devices, path);
 682 }
 683
 684 static gboolean device_removed(DBusConnection *conn, DBusMessage *message,
 685                                 void *user_data)
 686 {
 687         const char *path;
 688         const char *signature = DBUS_TYPE_OBJECT_PATH_AS_STRING;
 689
 690         if (!dbus_message_has_signature(message, signature)) {
 691                 connman_error("dundee signature does not match");
 692                 return TRUE;
 693         }
 694
 695         dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 696                                 DBUS_TYPE_INVALID);
 697         remove_device(conn, path);
 698         return TRUE;
 699 }
 700
 701 static void manager_get_devices_reply(DBusPendingCall *call, void *user_data)
 702 {
 703         DBusMessage *reply;
 704         DBusError error;
 705         DBusMessageIter array, dict;
 706         const char *signature = DBUS_TYPE_ARRAY_AS_STRING
 707                 DBUS_STRUCT_BEGIN_CHAR_AS_STRING
 708                 DBUS_TYPE_OBJECT_PATH_AS_STRING
 709                 DBUS_TYPE_ARRAY_AS_STRING
 710                 DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 711                 DBUS_TYPE_STRING_AS_STRING
 712                 DBUS_TYPE_VARIANT_AS_STRING
 713                 DBUS_DICT_ENTRY_END_CHAR_AS_STRING
 714                 DBUS_STRUCT_END_CHAR_AS_STRING;
 715
 716         DBG("");
 717
 718         reply = dbus_pending_call_steal_reply(call);
 719
 720         if (!dbus_message_has_signature(reply, signature)) {
 721                 connman_error("dundee signature does not match");
 722                 goto done;
 723         }
 724
 725         dbus_error_init(&error);
 726
 727         if (dbus_set_error_from_message(&error, reply)) {
 728                 connman_error("%s", error.message);
 729                 dbus_error_free(&error);
 730                 goto done;
 731         }
 732
 733         if (!dbus_message_iter_init(reply, &array))
 734                 goto done;
 735
 736         dbus_message_iter_recurse(&array, &dict);
 737
 738         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_STRUCT) {
 739                 DBusMessageIter value, properties;
 740                 const char *path;
 741
 742                 dbus_message_iter_recurse(&dict, &value);
 743                 dbus_message_iter_get_basic(&value, &path);
 744
 745                 dbus_message_iter_next(&value);
 746                 dbus_message_iter_recurse(&value, &properties);
 747
 748                 add_device(path, &properties);
 749
 750                 dbus_message_iter_next(&dict);
 751         }
 752
 753 done:
 754         dbus_message_unref(reply);
 755
 756         dbus_pending_call_unref(call);
 757 }
 758
 759 static int manager_get_devices(void)
 760 {
 761         DBusMessage *message;
 762         DBusPendingCall *call;
 763
 764         DBG("");
 765
 766         message = dbus_message_new_method_call(DUNDEE_SERVICE, "/",
 767                                         DUNDEE_MANAGER_INTERFACE, GET_DEVICES);
 768         if (!message)
 769                 return -ENOMEM;
 770
 771         if (!dbus_connection_send_with_reply(connection, message,
 772                                                 &call, TIMEOUT)) {
 773                 connman_error("Failed to call GetDevices()");
 774                 dbus_message_unref(message);
 775                 return -EINVAL;
 776         }
 777
 778         if (!call) {
 779                 connman_error("D-Bus connection not available");
 780                 dbus_message_unref(message);
 781                 return -EINVAL;
 782         }
 783
 784         dbus_pending_call_set_notify(call, manager_get_devices_reply,
 785                                         NULL, NULL);
 786
 787         dbus_message_unref(message);
 788
 789         return -EINPROGRESS;
 790 }
 791
 792 static void dundee_connect(DBusConnection *conn, void *user_data)
 793 {
 794         DBG("connection %p", conn);
 795
 796         dundee_devices = g_hash_table_new_full(g_str_hash, g_str_equal,
 797                                         g_free, device_destroy);
 798
 799         manager_get_devices();
 800 }
 801
 802 static void dundee_disconnect(DBusConnection *conn, void *user_data)
 803 {
 804         DBG("connection %p", conn);
 805
 806         g_hash_table_destroy(dundee_devices);
 807         dundee_devices = NULL;
 808 }
 809
 810 static guint watch;
 811 static guint added_watch;
 812 static guint removed_watch;
 813 static guint device_watch;
 814
 815 static int dundee_init(void)
 816 {
 817         int err;
 818
 819         connection = connman_dbus_get_connection();
 820         if (!connection)
 821                 return -EIO;
 822
 823         watch = g_dbus_add_service_watch(connection, DUNDEE_SERVICE,
 824                         dundee_connect, dundee_disconnect, NULL, NULL);
 825
 826         added_watch = g_dbus_add_signal_watch(connection, DUNDEE_SERVICE, NULL,
 827                                                 DUNDEE_MANAGER_INTERFACE,
 828                                                 DEVICE_ADDED, device_added,
 829                                                 NULL, NULL);
 830
 831         removed_watch = g_dbus_add_signal_watch(connection, DUNDEE_SERVICE,
 832                                                 NULL, DUNDEE_MANAGER_INTERFACE,
 833                                                 DEVICE_REMOVED, device_removed,
 834                                                 NULL, NULL);
 835
 836         device_watch = g_dbus_add_signal_watch(connection, DUNDEE_SERVICE,
 837                                                 NULL, DUNDEE_DEVICE_INTERFACE,
 838                                                 PROPERTY_CHANGED,
 839                                                 device_changed,
 840                                                 NULL, NULL);
 841
 842
 843         if (watch == 0 || added_watch == 0 || removed_watch == 0 ||
 844                         device_watch == 0) {
 845                 err = -EIO;
 846                 goto remove;
 847         }
 848
 849         err = connman_network_driver_register(&network_driver);
 850         if (err < 0)
 851                 goto remove;
 852
 853         err = connman_device_driver_register(&dundee_driver);
 854         if (err < 0) {
 855                 connman_network_driver_unregister(&network_driver);
 856                 goto remove;
 857         }
 858
 859         return 0;
 860
 861 remove:
 862         g_dbus_remove_watch(connection, watch);
 863         g_dbus_remove_watch(connection, added_watch);
 864         g_dbus_remove_watch(connection, removed_watch);
 865         g_dbus_remove_watch(connection, device_watch);
 866
 867         dbus_connection_unref(connection);
 868
 869         return err;
 870 }
 871
 872 static void dundee_exit(void)
 873 {
 874         g_dbus_remove_watch(connection, watch);
 875         g_dbus_remove_watch(connection, added_watch);
 876         g_dbus_remove_watch(connection, removed_watch);
 877         g_dbus_remove_watch(connection, device_watch);
 878
 879         connman_device_driver_unregister(&dundee_driver);
 880         connman_network_driver_unregister(&network_driver);
 881
 882         dbus_connection_unref(connection);
 883 }
 884
 885 CONNMAN_PLUGIN_DEFINE(dundee, "Dundee plugin", VERSION,
 886                 CONNMAN_PLUGIN_PRIORITY_DEFAULT, dundee_init, dundee_exit)