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 40000
  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         connman_bool_t 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 == NULL)
  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(ident, CONNMAN_DEVICE_TYPE_BLUETOOTH);
 100         if (device == NULL) {
 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 != NULL)
 132                 dbus_pending_call_cancel(info->call);
 133
 134         if (info->network != NULL) {
 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 != NULL)
 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 == NULL)
 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         connman_network_set_available(network, TRUE);
 185
 186         err = connman_device_add_network(info->device, network);
 187         if (err < 0) {
 188                 connman_network_unref(network);
 189                 return err;
 190         }
 191
 192         info->network = network;
 193
 194         return 0;
 195 }
 196
 197 static void set_connected(struct dundee_data *info)
 198 {
 199         struct connman_service *service;
 200
 201         DBG("%s", info->path);
 202
 203         connman_inet_ifup(info->index);
 204
 205         service = connman_service_lookup_from_network(info->network);
 206         if (service == NULL)
 207                 return;
 208
 209         connman_service_create_ip4config(service, info->index);
 210         connman_network_set_index(info->network, info->index);
 211         connman_network_set_ipv4_method(info->network,
 212                                         CONNMAN_IPCONFIG_METHOD_FIXED);
 213         connman_network_set_ipaddress(info->network, info->address);
 214         connman_network_set_nameservers(info->network, info->nameservers);
 215
 216         connman_network_set_connected(info->network, TRUE);
 217 }
 218
 219 static void set_disconnected(struct dundee_data *info)
 220 {
 221         DBG("%s", info->path);
 222
 223         connman_network_set_connected(info->network, FALSE);
 224         connman_inet_ifdown(info->index);
 225 }
 226
 227 static void set_property_reply(DBusPendingCall *call, void *user_data)
 228 {
 229         struct dundee_data *info = user_data;
 230         DBusMessage *reply;
 231         DBusError error;
 232
 233         DBG("%s", info->path);
 234
 235         info->call = NULL;
 236
 237         dbus_error_init(&error);
 238
 239         reply = dbus_pending_call_steal_reply(call);
 240
 241         if (dbus_set_error_from_message(&error, reply)) {
 242                 connman_error("Failed to change property: %s %s %s",
 243                                 info->path, error.name, error.message);
 244                 dbus_error_free(&error);
 245
 246                 connman_network_set_error(info->network,
 247                                         CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
 248         }
 249
 250         dbus_message_unref(reply);
 251
 252         dbus_pending_call_unref(call);
 253 }
 254
 255 static int set_property(struct dundee_data *info,
 256                         const char *property, int type, void *value)
 257 {
 258         DBusMessage *message;
 259         DBusMessageIter iter;
 260
 261         DBG("%s %s", info->path, property);
 262
 263         message = dbus_message_new_method_call(DUNDEE_SERVICE, info->path,
 264                                         DUNDEE_DEVICE_INTERFACE, SET_PROPERTY);
 265         if (message == NULL)
 266                 return -ENOMEM;
 267
 268         dbus_message_iter_init_append(message, &iter);
 269         connman_dbus_property_append_basic(&iter, property, type, value);
 270
 271         if (dbus_connection_send_with_reply(connection, message,
 272                         &info->call, TIMEOUT) == FALSE) {
 273                 connman_error("Failed to change property: %s %s",
 274                                 info->path, property);
 275                 dbus_message_unref(message);
 276                 return -EINVAL;
 277         }
 278
 279         if (info->call == NULL) {
 280                 connman_error("D-Bus connection not available");
 281                 dbus_message_unref(message);
 282                 return -EINVAL;
 283         }
 284
 285         dbus_pending_call_set_notify(info->call, set_property_reply,
 286                                         info, NULL);
 287
 288         dbus_message_unref(message);
 289
 290         return -EINPROGRESS;
 291 }
 292
 293 static int device_set_active(struct dundee_data *info)
 294 {
 295         dbus_bool_t active = TRUE;
 296
 297         DBG("%s", info->path);
 298
 299         return set_property(info, "Active", DBUS_TYPE_BOOLEAN,
 300                                 &active);
 301 }
 302
 303 static int device_set_inactive(struct dundee_data *info)
 304 {
 305         dbus_bool_t active = FALSE;
 306         int err;
 307
 308         DBG("%s", info->path);
 309
 310         err = set_property(info, "Active", DBUS_TYPE_BOOLEAN,
 311                                 &active);
 312         if (err == -EINPROGRESS)
 313                 return 0;
 314
 315         return err;
 316 }
 317
 318 static int network_probe(struct connman_network *network)
 319 {
 320         DBG("network %p", network);
 321
 322         return 0;
 323 }
 324
 325 static void network_remove(struct connman_network *network)
 326 {
 327         DBG("network %p", network);
 328 }
 329
 330 static int network_connect(struct connman_network *network)
 331 {
 332         struct dundee_data *info = connman_network_get_data(network);
 333
 334         DBG("network %p", network);
 335
 336         return device_set_active(info);
 337 }
 338
 339 static int network_disconnect(struct connman_network *network)
 340 {
 341         struct dundee_data *info = connman_network_get_data(network);
 342
 343         DBG("network %p", network);
 344
 345         return device_set_inactive(info);
 346 }
 347
 348 static struct connman_network_driver network_driver = {
 349         .name           = "network",
 350         .type           = CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN,
 351         .probe          = network_probe,
 352         .remove         = network_remove,
 353         .connect        = network_connect,
 354         .disconnect     = network_disconnect,
 355 };
 356
 357 static int dundee_probe(struct connman_device *device)
 358 {
 359         GHashTableIter iter;
 360         gpointer key, value;
 361
 362         DBG("device %p", device);
 363
 364         if (dundee_devices == NULL)
 365                 return -ENOTSUP;
 366
 367         g_hash_table_iter_init(&iter, dundee_devices);
 368
 369         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
 370                 struct dundee_data *info = value;
 371
 372                 if (device == info->device)
 373                         return 0;
 374         }
 375
 376         return -ENOTSUP;
 377 }
 378
 379 static void dundee_remove(struct connman_device *device)
 380 {
 381         DBG("device %p", device);
 382 }
 383
 384 static int dundee_enable(struct connman_device *device)
 385 {
 386         DBG("device %p", device);
 387
 388         return 0;
 389 }
 390
 391 static int dundee_disable(struct connman_device *device)
 392 {
 393         DBG("device %p", device);
 394
 395         return 0;
 396 }
 397
 398 static struct connman_device_driver dundee_driver = {
 399         .name           = "dundee",
 400         .type           = CONNMAN_DEVICE_TYPE_BLUETOOTH,
 401         .probe          = dundee_probe,
 402         .remove         = dundee_remove,
 403         .enable         = dundee_enable,
 404         .disable        = dundee_disable,
 405 };
 406
 407 static char *extract_nameservers(DBusMessageIter *array)
 408 {
 409         DBusMessageIter entry;
 410         char *nameservers = NULL;
 411         char *tmp;
 412
 413         dbus_message_iter_recurse(array, &entry);
 414
 415         while (dbus_message_iter_get_arg_type(&entry) == DBUS_TYPE_STRING) {
 416                 const char *nameserver;
 417
 418                 dbus_message_iter_get_basic(&entry, &nameserver);
 419
 420                 if (nameservers == NULL) {
 421                         nameservers = g_strdup(nameserver);
 422                 } else {
 423                         tmp = nameservers;
 424                         nameservers = g_strdup_printf("%s %s", tmp, nameserver);
 425                         g_free(tmp);
 426                 }
 427
 428                 dbus_message_iter_next(&entry);
 429         }
 430
 431         return nameservers;
 432 }
 433
 434 static void extract_settings(DBusMessageIter *array,
 435                                 struct dundee_data *info)
 436 {
 437         DBusMessageIter dict;
 438         char *address = NULL, *gateway = NULL;
 439         char *nameservers = NULL;
 440         const char *interface = NULL;
 441         int index = -1;
 442
 443         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
 444                 return;
 445
 446         dbus_message_iter_recurse(array, &dict);
 447
 448         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 449                 DBusMessageIter entry, value;
 450                 const char *key, *val;
 451
 452                 dbus_message_iter_recurse(&dict, &entry);
 453                 dbus_message_iter_get_basic(&entry, &key);
 454
 455                 dbus_message_iter_next(&entry);
 456                 dbus_message_iter_recurse(&entry, &value);
 457
 458                 if (g_str_equal(key, "Interface") == TRUE) {
 459                         dbus_message_iter_get_basic(&value, &interface);
 460
 461                         DBG("Interface %s", interface);
 462
 463                         index = connman_inet_ifindex(interface);
 464
 465                         DBG("index %d", index);
 466
 467                         if (index < 0)
 468                                 break;
 469                 } else if (g_str_equal(key, "Address") == TRUE) {
 470                         dbus_message_iter_get_basic(&value, &val);
 471
 472                         address = g_strdup(val);
 473
 474                         DBG("Address %s", address);
 475                 } else if (g_str_equal(key, "DomainNameServers") == TRUE) {
 476                         nameservers = extract_nameservers(&value);
 477
 478                         DBG("Nameservers %s", nameservers);
 479                 } else if (g_str_equal(key, "Gateway") == TRUE) {
 480                         dbus_message_iter_get_basic(&value, &val);
 481
 482                         gateway = g_strdup(val);
 483
 484                         DBG("Gateway %s", gateway);
 485                 }
 486
 487                 dbus_message_iter_next(&dict);
 488         }
 489
 490         if (index < 0)
 491                 goto out;
 492
 493         info->address = connman_ipaddress_alloc(CONNMAN_IPCONFIG_TYPE_IPV4);
 494         if (info->address == NULL)
 495                 goto out;
 496
 497         info->index = index;
 498         connman_ipaddress_set_ipv4(info->address, address, NULL, gateway);
 499
 500         info->nameservers = nameservers;
 501
 502 out:
 503         if (info->nameservers != nameservers)
 504                 g_free(nameservers);
 505
 506         g_free(address);
 507         g_free(gateway);
 508 }
 509
 510 static gboolean device_changed(DBusConnection *conn,
 511                                 DBusMessage *message,
 512                                 void *user_data)
 513 {
 514         const char *path = dbus_message_get_path(message);
 515         struct dundee_data *info = NULL;
 516         DBusMessageIter iter, value;
 517         const char *key;
 518         const char *signature = DBUS_TYPE_STRING_AS_STRING
 519                 DBUS_TYPE_VARIANT_AS_STRING;
 520
 521         if (dbus_message_has_signature(message, signature) == FALSE) {
 522                 connman_error("dundee signature does not match");
 523                 return TRUE;
 524         }
 525
 526         info = g_hash_table_lookup(dundee_devices, path);
 527         if (info == NULL)
 528                 return TRUE;
 529
 530         if (dbus_message_iter_init(message, &iter) == FALSE)
 531                 return TRUE;
 532
 533         dbus_message_iter_get_basic(&iter, &key);
 534
 535         dbus_message_iter_next(&iter);
 536         dbus_message_iter_recurse(&iter, &value);
 537
 538         /*
 539          * Dundee guarantees the ordering of Settings and
 540          * Active. Settings will always be send before Active = True.
 541          * That means we don't have to order here.
 542          */
 543         if (g_str_equal(key, "Active") == TRUE) {
 544                 dbus_message_iter_get_basic(&value, &info->active);
 545
 546                 DBG("%s Active %d", info->path, info->active);
 547
 548                 if (info->active == TRUE)
 549                         set_connected(info);
 550                 else
 551                         set_disconnected(info);
 552         } else if (g_str_equal(key, "Settings") == TRUE) {
 553                 DBG("%s Settings", info->path);
 554
 555                 extract_settings(&value, info);
 556         } else if (g_str_equal(key, "Name") == TRUE) {
 557                 char *name;
 558
 559                 dbus_message_iter_get_basic(&value, &name);
 560
 561                 g_free(info->name);
 562                 info->name = g_strdup(name);
 563
 564                 DBG("%s Name %s", info->path, info->name);
 565
 566                 connman_network_set_name(info->network, info->name);
 567                 connman_network_update(info->network);
 568         }
 569
 570         return TRUE;
 571 }
 572
 573 static void add_device(const char *path, DBusMessageIter *properties)
 574 {
 575         struct dundee_data *info;
 576         int err;
 577
 578         info = g_hash_table_lookup(dundee_devices, path);
 579         if (info != NULL)
 580                 return;
 581
 582         info = g_try_new0(struct dundee_data, 1);
 583         if (info == NULL)
 584                 return;
 585
 586         info->path = g_strdup(path);
 587
 588         while (dbus_message_iter_get_arg_type(properties) ==
 589                         DBUS_TYPE_DICT_ENTRY) {
 590                 DBusMessageIter entry, value;
 591                 const char *key;
 592
 593                 dbus_message_iter_recurse(properties, &entry);
 594                 dbus_message_iter_get_basic(&entry, &key);
 595
 596                 dbus_message_iter_next(&entry);
 597                 dbus_message_iter_recurse(&entry, &value);
 598
 599                 if (g_str_equal(key, "Active") == TRUE) {
 600                         dbus_message_iter_get_basic(&value, &info->active);
 601
 602                         DBG("%s Active %d", info->path, info->active);
 603                 } else if (g_str_equal(key, "Settings") == TRUE) {
 604                         DBG("%s Settings", info->path);
 605
 606                         extract_settings(&value, info);
 607                 } else if (g_str_equal(key, "Name") == TRUE) {
 608                         char *name;
 609
 610                         dbus_message_iter_get_basic(&value, &name);
 611
 612                         info->name = g_strdup(name);
 613
 614                         DBG("%s Name %s", info->path, info->name);
 615                 }
 616
 617                 dbus_message_iter_next(properties);
 618         }
 619
 620         g_hash_table_insert(dundee_devices, g_strdup(path), info);
 621
 622         err = create_device(info);
 623         if (err < 0)
 624                 goto out;
 625
 626         err = create_network(info);
 627         if (err < 0) {
 628                 destroy_device(info);
 629                 goto out;
 630         }
 631
 632         if (info->active == TRUE)
 633                 set_connected(info);
 634
 635 out:
 636         g_hash_table_remove(dundee_devices, path);
 637
 638         g_free(info->path);
 639         g_free(info->name);
 640         g_free(info);
 641 }
 642
 643 static gboolean device_added(DBusConnection *conn, DBusMessage *message,
 644                                 void *user_data)
 645 {
 646         DBusMessageIter iter, properties;
 647         const char *path;
 648         const char *signature = DBUS_TYPE_OBJECT_PATH_AS_STRING
 649                 DBUS_TYPE_ARRAY_AS_STRING
 650                 DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 651                 DBUS_TYPE_STRING_AS_STRING
 652                 DBUS_TYPE_VARIANT_AS_STRING
 653                 DBUS_DICT_ENTRY_END_CHAR_AS_STRING;
 654
 655         if (dbus_message_has_signature(message, signature) == FALSE) {
 656                 connman_error("dundee signature does not match");
 657                 return TRUE;
 658         }
 659
 660         DBG("");
 661
 662         if (dbus_message_iter_init(message, &iter) == FALSE)
 663                 return TRUE;
 664
 665         dbus_message_iter_get_basic(&iter, &path);
 666
 667         dbus_message_iter_next(&iter);
 668         dbus_message_iter_recurse(&iter, &properties);
 669
 670         add_device(path, &properties);
 671
 672         return TRUE;
 673 }
 674
 675 static void remove_device(DBusConnection *conn, const char *path)
 676 {
 677         DBG("path %s", path);
 678
 679         g_hash_table_remove(dundee_devices, path);
 680 }
 681
 682 static gboolean device_removed(DBusConnection *conn, DBusMessage *message,
 683                                 void *user_data)
 684 {
 685         const char *path;
 686         const char *signature = DBUS_TYPE_OBJECT_PATH_AS_STRING;
 687
 688         if (dbus_message_has_signature(message, signature) == FALSE) {
 689                 connman_error("dundee signature does not match");
 690                 return TRUE;
 691         }
 692
 693         dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 694                                 DBUS_TYPE_INVALID);
 695         remove_device(conn, path);
 696         return TRUE;
 697 }
 698
 699 static void manager_get_devices_reply(DBusPendingCall *call, void *user_data)
 700 {
 701         DBusMessage *reply;
 702         DBusError error;
 703         DBusMessageIter array, dict;
 704         const char *signature = DBUS_TYPE_ARRAY_AS_STRING
 705                 DBUS_STRUCT_BEGIN_CHAR_AS_STRING
 706                 DBUS_TYPE_OBJECT_PATH_AS_STRING
 707                 DBUS_TYPE_ARRAY_AS_STRING
 708                 DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 709                 DBUS_TYPE_STRING_AS_STRING
 710                 DBUS_TYPE_VARIANT_AS_STRING
 711                 DBUS_DICT_ENTRY_END_CHAR_AS_STRING
 712                 DBUS_STRUCT_END_CHAR_AS_STRING;
 713
 714         DBG("");
 715
 716         reply = dbus_pending_call_steal_reply(call);
 717
 718         if (dbus_message_has_signature(reply, signature) == FALSE) {
 719                 connman_error("dundee signature does not match");
 720                 goto done;
 721         }
 722
 723         dbus_error_init(&error);
 724
 725         if (dbus_set_error_from_message(&error, reply) == TRUE) {
 726                 connman_error("%s", error.message);
 727                 dbus_error_free(&error);
 728                 goto done;
 729         }
 730
 731         if (dbus_message_iter_init(reply, &array) == FALSE)
 732                 goto done;
 733
 734         dbus_message_iter_recurse(&array, &dict);
 735
 736         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_STRUCT) {
 737                 DBusMessageIter value, properties;
 738                 const char *path;
 739
 740                 dbus_message_iter_recurse(&dict, &value);
 741                 dbus_message_iter_get_basic(&value, &path);
 742
 743                 dbus_message_iter_next(&value);
 744                 dbus_message_iter_recurse(&value, &properties);
 745
 746                 add_device(path, &properties);
 747
 748                 dbus_message_iter_next(&dict);
 749         }
 750
 751 done:
 752         dbus_message_unref(reply);
 753
 754         dbus_pending_call_unref(call);
 755 }
 756
 757 static int manager_get_devices(void)
 758 {
 759         DBusMessage *message;
 760         DBusPendingCall *call;
 761
 762         DBG("");
 763
 764         message = dbus_message_new_method_call(DUNDEE_SERVICE, "/",
 765                                         DUNDEE_MANAGER_INTERFACE, GET_DEVICES);
 766         if (message == NULL)
 767                 return -ENOMEM;
 768
 769         if (dbus_connection_send_with_reply(connection, message,
 770                                                 &call, TIMEOUT) == FALSE) {
 771                 connman_error("Failed to call GetDevices()");
 772                 dbus_message_unref(message);
 773                 return -EINVAL;
 774         }
 775
 776         if (call == NULL) {
 777                 connman_error("D-Bus connection not available");
 778                 dbus_message_unref(message);
 779                 return -EINVAL;
 780         }
 781
 782         dbus_pending_call_set_notify(call, manager_get_devices_reply,
 783                                         NULL, NULL);
 784
 785         dbus_message_unref(message);
 786
 787         return -EINPROGRESS;
 788 }
 789
 790 static void dundee_connect(DBusConnection *conn, void *user_data)
 791 {
 792         DBG("connection %p", conn);
 793
 794         dundee_devices = g_hash_table_new_full(g_str_hash, g_str_equal,
 795                                         g_free, device_destroy);
 796
 797         manager_get_devices();
 798 }
 799
 800 static void dundee_disconnect(DBusConnection *conn, void *user_data)
 801 {
 802         DBG("connection %p", conn);
 803
 804         g_hash_table_destroy(dundee_devices);
 805         dundee_devices = NULL;
 806 }
 807
 808 static guint watch;
 809 static guint added_watch;
 810 static guint removed_watch;
 811 static guint device_watch;
 812
 813 static int dundee_init(void)
 814 {
 815         int err;
 816
 817         connection = connman_dbus_get_connection();
 818         if (connection == NULL)
 819                 return -EIO;
 820
 821         watch = g_dbus_add_service_watch(connection, DUNDEE_SERVICE,
 822                         dundee_connect, dundee_disconnect, NULL, NULL);
 823
 824         added_watch = g_dbus_add_signal_watch(connection, DUNDEE_SERVICE, NULL,
 825                                                 DUNDEE_MANAGER_INTERFACE,
 826                                                 DEVICE_ADDED, device_added,
 827                                                 NULL, NULL);
 828
 829         removed_watch = g_dbus_add_signal_watch(connection, DUNDEE_SERVICE,
 830                                                 NULL, DUNDEE_MANAGER_INTERFACE,
 831                                                 DEVICE_REMOVED, device_removed,
 832                                                 NULL, NULL);
 833
 834         device_watch = g_dbus_add_signal_watch(connection, DUNDEE_SERVICE,
 835                                                 NULL, DUNDEE_DEVICE_INTERFACE,
 836                                                 PROPERTY_CHANGED,
 837                                                 device_changed,
 838                                                 NULL, NULL);
 839
 840
 841         if (watch == 0 || added_watch == 0 || removed_watch == 0 ||
 842                         device_watch == 0) {
 843                 err = -EIO;
 844                 goto remove;
 845         }
 846
 847         err = connman_network_driver_register(&network_driver);
 848         if (err < 0)
 849                 goto remove;
 850
 851         err = connman_device_driver_register(&dundee_driver);
 852         if (err < 0) {
 853                 connman_network_driver_unregister(&network_driver);
 854                 goto remove;
 855         }
 856
 857         return 0;
 858
 859 remove:
 860         g_dbus_remove_watch(connection, watch);
 861         g_dbus_remove_watch(connection, added_watch);
 862         g_dbus_remove_watch(connection, removed_watch);
 863         g_dbus_remove_watch(connection, device_watch);
 864
 865         dbus_connection_unref(connection);
 866
 867         return err;
 868 }
 869
 870 static void dundee_exit(void)
 871 {
 872         g_dbus_remove_watch(connection, watch);
 873         g_dbus_remove_watch(connection, added_watch);
 874         g_dbus_remove_watch(connection, removed_watch);
 875         g_dbus_remove_watch(connection, device_watch);
 876
 877         connman_device_driver_unregister(&dundee_driver);
 878         connman_network_driver_unregister(&network_driver);
 879
 880         dbus_connection_unref(connection);
 881 }
 882
 883 CONNMAN_PLUGIN_DEFINE(dundee, "Dundee plugin", VERSION,
 884                 CONNMAN_PLUGIN_PRIORITY_DEFAULT, dundee_init, dundee_exit)