src/element.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 <stdarg.h>
  28 #include <string.h>
  29
  30 #include <glib.h>
  31 #include <gdbus.h>
  32
  33 #include "connman.h"
  34
  35 static DBusConnection *connection;
  36
  37 static GNode *element_root = NULL;
  38 static GSList *driver_list = NULL;
  39 static gchar *device_filter = NULL;
  40 static gchar *nodevice_filter = NULL;
  41
  42 static gboolean started = FALSE;
  43
  44 static const char *type2string(enum connman_element_type type)
  45 {
  46         switch (type) {
  47         case CONNMAN_ELEMENT_TYPE_UNKNOWN:
  48                 return "unknown";
  49         case CONNMAN_ELEMENT_TYPE_ROOT:
  50                 return "root";
  51         case CONNMAN_ELEMENT_TYPE_PROFILE:
  52                 return "profile";
  53         case CONNMAN_ELEMENT_TYPE_DEVICE:
  54                 return "device";
  55         case CONNMAN_ELEMENT_TYPE_NETWORK:
  56                 return "network";
  57         case CONNMAN_ELEMENT_TYPE_SERVICE:
  58                 return "service";
  59         case CONNMAN_ELEMENT_TYPE_PPP:
  60                 return "ppp";
  61         case CONNMAN_ELEMENT_TYPE_IPV4:
  62                 return "ipv4";
  63         case CONNMAN_ELEMENT_TYPE_IPV6:
  64                 return "ipv6";
  65         case CONNMAN_ELEMENT_TYPE_DHCP:
  66                 return "dhcp";
  67         case CONNMAN_ELEMENT_TYPE_BOOTP:
  68                 return "bootp";
  69         case CONNMAN_ELEMENT_TYPE_ZEROCONF:
  70                 return "zeroconf";
  71         case CONNMAN_ELEMENT_TYPE_CONNECTION:
  72                 return "connection";
  73         case CONNMAN_ELEMENT_TYPE_VENDOR:
  74                 return "vendor";
  75         }
  76
  77         return NULL;
  78 }
  79
  80 struct foreach_data {
  81         enum connman_element_type type;
  82         element_cb_t callback;
  83         gpointer user_data;
  84 };
  85
  86 static gboolean foreach_callback(GNode *node, gpointer user_data)
  87 {
  88         struct connman_element *element = node->data;
  89         struct foreach_data *data = user_data;
  90
  91         DBG("element %p name %s", element, element->name);
  92
  93         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
  94                 return FALSE;
  95
  96         if (data->type != CONNMAN_ELEMENT_TYPE_UNKNOWN &&
  97                                         data->type != element->type)
  98                 return FALSE;
  99
 100         if (data->callback)
 101                 data->callback(element, data->user_data);
 102
 103         return FALSE;
 104 }
 105
 106 void __connman_element_foreach(struct connman_element *element,
 107                                 enum connman_element_type type,
 108                                 element_cb_t callback, gpointer user_data)
 109 {
 110         struct foreach_data data = { type, callback, user_data };
 111         GNode *node;
 112
 113         DBG("");
 114
 115         if (element != NULL) {
 116                 node = g_node_find(element_root, G_PRE_ORDER,
 117                                                 G_TRAVERSE_ALL, element);
 118                 if (node == NULL)
 119                         return;
 120         } else
 121                 node = element_root;
 122
 123         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 124                                                 foreach_callback, &data);
 125 }
 126
 127 struct append_filter {
 128         enum connman_element_type type;
 129         DBusMessageIter *iter;
 130 };
 131
 132 static gboolean append_path(GNode *node, gpointer user_data)
 133 {
 134         struct connman_element *element = node->data;
 135         struct append_filter *filter = user_data;
 136
 137         DBG("element %p name %s", element, element->name);
 138
 139         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 140                 return FALSE;
 141
 142         if (filter->type != CONNMAN_ELEMENT_TYPE_UNKNOWN &&
 143                                         filter->type != element->type)
 144                 return FALSE;
 145
 146         if (filter->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
 147                         __connman_device_has_driver(element->device) == FALSE)
 148                 return FALSE;
 149
 150         if (filter->type == CONNMAN_ELEMENT_TYPE_NETWORK &&
 151                         __connman_network_has_driver(element->network) == FALSE)
 152                 return FALSE;
 153
 154         dbus_message_iter_append_basic(filter->iter,
 155                                 DBUS_TYPE_OBJECT_PATH, &element->path);
 156
 157         return FALSE;
 158 }
 159
 160 void __connman_element_list(struct connman_element *element,
 161                                         enum connman_element_type type,
 162                                                         DBusMessageIter *iter)
 163 {
 164         struct append_filter filter = { type, iter };
 165         GNode *node;
 166
 167         DBG("");
 168
 169         if (element != NULL) {
 170                 node = g_node_find(element_root, G_PRE_ORDER,
 171                                                 G_TRAVERSE_ALL, element);
 172                 if (node == NULL)
 173                         return;
 174         } else
 175                 node = element_root;
 176
 177         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 178                                                 append_path, &filter);
 179 }
 180
 181 struct count_data {
 182         enum connman_element_type type;
 183         int count;
 184 };
 185
 186 static gboolean count_element(GNode *node, gpointer user_data)
 187 {
 188         struct connman_element *element = node->data;
 189         struct count_data *data = user_data;
 190
 191         DBG("element %p name %s", element, element->name);
 192
 193         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 194                 return FALSE;
 195
 196         if (data->type != CONNMAN_ELEMENT_TYPE_UNKNOWN &&
 197                                         data->type != element->type)
 198                 return FALSE;
 199
 200         data->count++;
 201
 202         return FALSE;
 203 }
 204
 205 int __connman_element_count(struct connman_element *element,
 206                                         enum connman_element_type type)
 207 {
 208         struct count_data data = { type, 0 };
 209         GNode *node;
 210
 211         DBG("");
 212
 213         if (element != NULL) {
 214                 node = g_node_find(element_root, G_PRE_ORDER,
 215                                                 G_TRAVERSE_ALL, element);
 216                 if (node == NULL)
 217                         return 0;
 218         } else
 219                 node = element_root;
 220
 221         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 222                                                 count_element, &data);
 223
 224         return data.count;
 225 }
 226
 227 static struct connman_network *__connman_element_get_network(struct connman_element *element)
 228 {
 229         if (element->type == CONNMAN_ELEMENT_TYPE_NETWORK &&
 230                                                 element->network != NULL)
 231                 return element->network;
 232
 233         if (element->parent == NULL)
 234                 return NULL;
 235
 236         return __connman_element_get_network(element->parent);
 237 }
 238
 239 struct connman_service *__connman_element_get_service(struct connman_element *element)
 240 {
 241         struct connman_service *service = NULL;
 242         struct connman_network *network;
 243         struct connman_device *device;
 244         enum connman_device_type type;
 245
 246         device = __connman_element_get_device(element);
 247         if (device == NULL)
 248                 return NULL;
 249
 250         type = connman_device_get_type(device);
 251
 252         switch (type) {
 253         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 254         case CONNMAN_DEVICE_TYPE_VENDOR:
 255         case CONNMAN_DEVICE_TYPE_GPS:
 256         case CONNMAN_DEVICE_TYPE_NOZOMI:
 257         case CONNMAN_DEVICE_TYPE_HUAWEI:
 258         case CONNMAN_DEVICE_TYPE_NOVATEL:
 259                 break;
 260         case CONNMAN_DEVICE_TYPE_ETHERNET:
 261         case CONNMAN_DEVICE_TYPE_WIFI:
 262         case CONNMAN_DEVICE_TYPE_WIMAX:
 263         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 264         case CONNMAN_DEVICE_TYPE_MBM:
 265         case CONNMAN_DEVICE_TYPE_CELLULAR:
 266         case CONNMAN_DEVICE_TYPE_HSO:
 267                 network = __connman_element_get_network(element);
 268                 if (network == NULL)
 269                         return NULL;
 270                 service = __connman_service_lookup_from_network(network);
 271                 break;
 272         }
 273
 274         return service;
 275 }
 276
 277 struct connman_device *__connman_element_get_device(struct connman_element *element)
 278 {
 279         if (element->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
 280                                                 element->device != NULL)
 281                 return element->device;
 282
 283         if (element->parent == NULL)
 284                 return NULL;
 285
 286         return __connman_element_get_device(element->parent);
 287 }
 288
 289 const char *__connman_element_get_device_path(struct connman_element *element)
 290 {
 291         struct connman_device *device;
 292
 293         device = __connman_element_get_device(element);
 294         if (device == NULL)
 295                 return NULL;
 296
 297         return connman_device_get_path(device);
 298 }
 299
 300 const char *__connman_element_get_network_path(struct connman_element *element)
 301 {
 302         if (element->type == CONNMAN_ELEMENT_TYPE_NETWORK &&
 303                                                 element->network != NULL)
 304                 return element->path;
 305
 306         if (element->parent == NULL)
 307                 return NULL;
 308
 309         return __connman_element_get_network_path(element->parent);
 310 }
 311
 312 struct find_data {
 313         enum connman_service_type type;
 314         struct connman_device *device;
 315 };
 316
 317 static gboolean find_device(GNode *node, gpointer user_data)
 318 {
 319         struct connman_element *element = node->data;
 320         struct find_data *data = user_data;
 321
 322         if (element->type != CONNMAN_ELEMENT_TYPE_DEVICE)
 323                 return FALSE;
 324
 325         if (element->device == NULL)
 326                 return FALSE;
 327
 328         if (data->type != connman_device_get_type(element->device))
 329                 return FALSE;
 330
 331         data->device = element->device;
 332
 333         return TRUE;
 334 }
 335
 336 struct connman_device *__connman_element_find_device(enum connman_service_type type)
 337 {
 338         struct find_data data = { .type = type, .device = NULL };
 339
 340         g_node_traverse(element_root, G_PRE_ORDER,
 341                                 G_TRAVERSE_ALL, -1, find_device, &data);
 342
 343         return data.device;
 344 }
 345
 346 static gboolean request_scan(GNode *node, gpointer user_data)
 347 {
 348         struct connman_element *element = node->data;
 349         struct find_data *data = user_data;
 350         enum connman_service_type type;
 351
 352         if (element->type != CONNMAN_ELEMENT_TYPE_DEVICE)
 353                 return FALSE;
 354
 355         if (element->device == NULL)
 356                 return FALSE;
 357
 358         type = __connman_device_get_service_type(element->device);
 359
 360         switch (type) {
 361         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 362         case CONNMAN_SERVICE_TYPE_ETHERNET:
 363         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 364         case CONNMAN_SERVICE_TYPE_CELLULAR:
 365                 return FALSE;
 366         case CONNMAN_SERVICE_TYPE_WIFI:
 367         case CONNMAN_SERVICE_TYPE_WIMAX:
 368                 if (data->type != CONNMAN_SERVICE_TYPE_UNKNOWN &&
 369                                                         data->type != type)
 370                         return FALSE;
 371                 break;
 372         }
 373
 374         __connman_device_scan(element->device);
 375
 376         return FALSE;
 377 }
 378
 379 int __connman_element_request_scan(enum connman_service_type type)
 380 {
 381         struct find_data data = { .type = type, .device = NULL };
 382
 383         g_node_traverse(element_root, G_PRE_ORDER,
 384                                 G_TRAVERSE_ALL, -1, request_scan, &data);
 385
 386         return 0;
 387 }
 388
 389 static gboolean enable_technology(GNode *node, gpointer user_data)
 390 {
 391         struct connman_element *element = node->data;
 392         struct find_data *data = user_data;
 393         enum connman_service_type type;
 394
 395         if (element->type != CONNMAN_ELEMENT_TYPE_DEVICE)
 396                 return FALSE;
 397
 398         if (element->device == NULL)
 399                 return FALSE;
 400
 401         type = __connman_device_get_service_type(element->device);
 402
 403         switch (type) {
 404         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 405                 return FALSE;
 406         case CONNMAN_SERVICE_TYPE_ETHERNET:
 407         case CONNMAN_SERVICE_TYPE_WIFI:
 408         case CONNMAN_SERVICE_TYPE_WIMAX:
 409         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 410         case CONNMAN_SERVICE_TYPE_CELLULAR:
 411                 if (data->type != CONNMAN_SERVICE_TYPE_UNKNOWN &&
 412                                                         data->type != type)
 413                         return FALSE;
 414                 break;
 415         }
 416
 417         __connman_device_enable_persistent(element->device);
 418
 419         return FALSE;
 420 }
 421
 422 int __connman_element_enable_technology(enum connman_service_type type)
 423 {
 424         struct find_data data = { .type = type, .device = NULL };
 425
 426         g_node_traverse(element_root, G_PRE_ORDER,
 427                                 G_TRAVERSE_ALL, -1, enable_technology, &data);
 428
 429         return 0;
 430 }
 431
 432 static gboolean disable_technology(GNode *node, gpointer user_data)
 433 {
 434         struct connman_element *element = node->data;
 435         struct find_data *data = user_data;
 436         enum connman_service_type type;
 437
 438         if (element->type != CONNMAN_ELEMENT_TYPE_DEVICE)
 439                 return FALSE;
 440
 441         if (element->device == NULL)
 442                 return FALSE;
 443
 444         type = __connman_device_get_service_type(element->device);
 445
 446         switch (type) {
 447         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 448                 return FALSE;
 449         case CONNMAN_SERVICE_TYPE_ETHERNET:
 450         case CONNMAN_SERVICE_TYPE_WIFI:
 451         case CONNMAN_SERVICE_TYPE_WIMAX:
 452         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 453         case CONNMAN_SERVICE_TYPE_CELLULAR:
 454                 if (data->type != CONNMAN_SERVICE_TYPE_UNKNOWN &&
 455                                                         data->type != type)
 456                         return FALSE;
 457                 break;
 458         }
 459
 460         __connman_device_disable_persistent(element->device);
 461
 462         return FALSE;
 463 }
 464
 465 int __connman_element_disable_technology(enum connman_service_type type)
 466 {
 467         struct find_data data = { .type = type, .device = NULL };
 468
 469         g_node_traverse(element_root, G_PRE_ORDER,
 470                                 G_TRAVERSE_ALL, -1, disable_technology, &data);
 471
 472         return 0;
 473 }
 474
 475 static gint compare_priority(gconstpointer a, gconstpointer b)
 476 {
 477         const struct connman_driver *driver1 = a;
 478         const struct connman_driver *driver2 = b;
 479
 480         return driver2->priority - driver1->priority;
 481 }
 482
 483 static gboolean match_driver(struct connman_element *element,
 484                                         struct connman_driver *driver)
 485 {
 486         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 487                 return FALSE;
 488
 489         if (element->type == driver->type ||
 490                         driver->type == CONNMAN_ELEMENT_TYPE_UNKNOWN)
 491                 return TRUE;
 492
 493         return FALSE;
 494 }
 495
 496 static gboolean probe_driver(GNode *node, gpointer data)
 497 {
 498         struct connman_element *element = node->data;
 499         struct connman_driver *driver = data;
 500
 501         DBG("element %p name %s", element, element->name);
 502
 503         if (!element->driver && match_driver(element, driver) == TRUE) {
 504                 if (driver->probe(element) < 0)
 505                         return FALSE;
 506
 507                 __connman_element_lock(element);
 508                 element->driver = driver;
 509                 __connman_element_unlock(element);
 510         }
 511
 512         return FALSE;
 513 }
 514
 515 void __connman_driver_rescan(struct connman_driver *driver)
 516 {
 517         DBG("driver %p name %s", driver, driver->name);
 518
 519         if (!driver->probe)
 520                 return;
 521
 522         if (element_root != NULL)
 523                 g_node_traverse(element_root, G_PRE_ORDER,
 524                                 G_TRAVERSE_ALL, -1, probe_driver, driver);
 525 }
 526
 527 /**
 528  * connman_driver_register:
 529  * @driver: driver definition
 530  *
 531  * Register a new driver
 532  *
 533  * Returns: %0 on success
 534  */
 535 int connman_driver_register(struct connman_driver *driver)
 536 {
 537         DBG("driver %p name %s", driver, driver->name);
 538
 539         if (driver->type == CONNMAN_ELEMENT_TYPE_ROOT)
 540                 return -EINVAL;
 541
 542         if (!driver->probe)
 543                 return -EINVAL;
 544
 545         driver_list = g_slist_insert_sorted(driver_list, driver,
 546                                                         compare_priority);
 547
 548         if (started == FALSE)
 549                 return 0;
 550
 551         if (element_root != NULL)
 552                 g_node_traverse(element_root, G_PRE_ORDER,
 553                                 G_TRAVERSE_ALL, -1, probe_driver, driver);
 554
 555         return 0;
 556 }
 557
 558 static gboolean remove_driver(GNode *node, gpointer data)
 559 {
 560         struct connman_element *element = node->data;
 561         struct connman_driver *driver = data;
 562
 563         DBG("element %p name %s", element, element->name);
 564
 565         if (element->driver == driver) {
 566                 if (driver->remove)
 567                         driver->remove(element);
 568
 569                 __connman_element_lock(element);
 570                 element->driver = NULL;
 571                 __connman_element_unlock(element);
 572         }
 573
 574         return FALSE;
 575 }
 576
 577 /**
 578  * connman_driver_unregister:
 579  * @driver: driver definition
 580  *
 581  * Remove a previously registered driver
 582  */
 583 void connman_driver_unregister(struct connman_driver *driver)
 584 {
 585         DBG("driver %p name %s", driver, driver->name);
 586
 587         driver_list = g_slist_remove(driver_list, driver);
 588
 589         if (element_root != NULL)
 590                 g_node_traverse(element_root, G_POST_ORDER,
 591                                 G_TRAVERSE_ALL, -1, remove_driver, driver);
 592 }
 593
 594 static void unregister_property(gpointer data)
 595 {
 596         struct connman_property *property = data;
 597
 598         DBG("property %p", property);
 599
 600         g_free(property->value);
 601         g_free(property);
 602 }
 603
 604 void __connman_element_initialize(struct connman_element *element)
 605 {
 606         DBG("element %p", element);
 607
 608         element->refcount = 1;
 609
 610         element->name    = NULL;
 611         element->type    = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 612         element->state   = CONNMAN_ELEMENT_STATE_UNKNOWN;
 613         element->error   = CONNMAN_ELEMENT_ERROR_UNKNOWN;
 614         element->index   = -1;
 615         element->enabled = FALSE;
 616
 617         element->configuring = FALSE;
 618
 619         element->properties = g_hash_table_new_full(g_str_hash, g_str_equal,
 620                                                 g_free, unregister_property);
 621 }
 622
 623 /**
 624  * connman_element_create:
 625  * @name: element name
 626  *
 627  * Allocate a new element and assign the given #name to it. If the name
 628  * is #NULL, it will be later on created based on the element type.
 629  *
 630  * Returns: a newly-allocated #connman_element structure
 631  */
 632 struct connman_element *connman_element_create(const char *name)
 633 {
 634         struct connman_element *element;
 635
 636         element = g_try_new0(struct connman_element, 1);
 637         if (element == NULL)
 638                 return NULL;
 639
 640         DBG("element %p", element);
 641
 642         __connman_element_initialize(element);
 643
 644         return element;
 645 }
 646
 647 struct connman_element *connman_element_ref(struct connman_element *element)
 648 {
 649         DBG("element %p name %s refcount %d", element, element->name,
 650                                 g_atomic_int_get(&element->refcount) + 1);
 651
 652         g_atomic_int_inc(&element->refcount);
 653
 654         return element;
 655 }
 656
 657 static void free_properties(struct connman_element *element)
 658 {
 659         DBG("element %p name %s", element, element->name);
 660
 661         __connman_element_lock(element);
 662
 663         g_hash_table_destroy(element->properties);
 664         element->properties = NULL;
 665
 666         __connman_element_unlock(element);
 667 }
 668
 669 void connman_element_unref(struct connman_element *element)
 670 {
 671         DBG("element %p name %s refcount %d", element, element->name,
 672                                 g_atomic_int_get(&element->refcount) - 1);
 673
 674         if (g_atomic_int_dec_and_test(&element->refcount) == TRUE) {
 675                 if (element->destruct)
 676                         element->destruct(element);
 677                 free_properties(element);
 678                 g_free(element->ipv4.address);
 679                 g_free(element->ipv4.netmask);
 680                 g_free(element->ipv4.gateway);
 681                 g_free(element->ipv4.network);
 682                 g_free(element->ipv4.broadcast);
 683                 g_free(element->ipv4.nameserver);
 684                 g_free(element->devname);
 685                 g_free(element->path);
 686                 g_free(element->name);
 687                 g_free(element);
 688         }
 689 }
 690
 691 static int set_static_property(struct connman_element *element,
 692                                 const char *name, int type, const void *value)
 693 {
 694         struct connman_property *property;
 695
 696         DBG("element %p name %s", element, element->name);
 697
 698         if (type != DBUS_TYPE_STRING && type != DBUS_TYPE_BYTE)
 699                 return -EINVAL;
 700
 701         property = g_try_new0(struct connman_property, 1);
 702         if (property == NULL)
 703                 return -ENOMEM;
 704
 705         property->id   = CONNMAN_PROPERTY_ID_INVALID;
 706         property->type = type;
 707
 708         DBG("name %s type %d value %p", name, type, value);
 709
 710         switch (type) {
 711         case DBUS_TYPE_STRING:
 712                 property->value = g_strdup(*((const char **) value));
 713                 break;
 714         case DBUS_TYPE_BOOLEAN:
 715         case DBUS_TYPE_BYTE:
 716                 property->value = g_try_malloc(1);
 717                 if (property->value != NULL)
 718                         memcpy(property->value, value, 1);
 719                 break;
 720         }
 721
 722         __connman_element_lock(element);
 723
 724         g_hash_table_replace(element->properties, g_strdup(name), property);
 725
 726         __connman_element_unlock(element);
 727
 728         return 0;
 729 }
 730
 731 static int set_static_array_property(struct connman_element *element,
 732                         const char *name, int type, const void *value, int len)
 733 {
 734         struct connman_property *property;
 735
 736         DBG("element %p name %s", element, element->name);
 737
 738         if (type != DBUS_TYPE_BYTE)
 739                 return -EINVAL;
 740
 741         property = g_try_new0(struct connman_property, 1);
 742         if (property == NULL)
 743                 return -ENOMEM;
 744
 745         property->id      = CONNMAN_PROPERTY_ID_INVALID;
 746         property->type    = DBUS_TYPE_ARRAY;
 747         property->subtype = type;
 748
 749         DBG("name %s type %d value %p", name, type, value);
 750
 751         switch (type) {
 752         case DBUS_TYPE_BYTE:
 753                 property->value = g_try_malloc(len);
 754                 if (property->value != NULL) {
 755                         memcpy(property->value,
 756                                 *((const unsigned char **) value), len);
 757                         property->size = len;
 758                 }
 759                 break;
 760         }
 761
 762         __connman_element_lock(element);
 763
 764         g_hash_table_replace(element->properties, g_strdup(name), property);
 765
 766         __connman_element_unlock(element);
 767
 768         return 0;
 769 }
 770
 771 #if 0
 772 static int set_property(struct connman_element *element,
 773                                 enum connman_property_id id, const void *value)
 774 {
 775         switch (id) {
 776         case CONNMAN_PROPERTY_ID_IPV4_ADDRESS:
 777                 __connman_element_lock(element);
 778                 g_free(element->ipv4.address);
 779                 element->ipv4.address = g_strdup(*((const char **) value));
 780                 __connman_element_unlock(element);
 781                 break;
 782         case CONNMAN_PROPERTY_ID_IPV4_NETMASK:
 783                 __connman_element_lock(element);
 784                 g_free(element->ipv4.netmask);
 785                 element->ipv4.netmask = g_strdup(*((const char **) value));
 786                 __connman_element_unlock(element);
 787                 break;
 788         case CONNMAN_PROPERTY_ID_IPV4_GATEWAY:
 789                 __connman_element_lock(element);
 790                 g_free(element->ipv4.gateway);
 791                 element->ipv4.gateway = g_strdup(*((const char **) value));
 792                 __connman_element_unlock(element);
 793                 break;
 794         case CONNMAN_PROPERTY_ID_IPV4_BROADCAST:
 795                 __connman_element_lock(element);
 796                 g_free(element->ipv4.broadcast);
 797                 element->ipv4.broadcast = g_strdup(*((const char **) value));
 798                 __connman_element_unlock(element);
 799                 break;
 800         case CONNMAN_PROPERTY_ID_IPV4_NAMESERVER:
 801                 __connman_element_lock(element);
 802                 g_free(element->ipv4.nameserver);
 803                 element->ipv4.nameserver = g_strdup(*((const char **) value));
 804                 __connman_element_unlock(element);
 805                 break;
 806         default:
 807                 return -EINVAL;
 808         }
 809
 810         return 0;
 811 }
 812 #endif
 813
 814 int connman_element_get_value(struct connman_element *element,
 815                                 enum connman_property_id id, void *value)
 816 {
 817         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 818                 return -EINVAL;
 819
 820         switch (id) {
 821         case CONNMAN_PROPERTY_ID_IPV4_METHOD:
 822                 if (element->ipv4.method == CONNMAN_IPCONFIG_METHOD_UNKNOWN)
 823                         return connman_element_get_value(element->parent,
 824                                                                 id, value);
 825                 __connman_element_lock(element);
 826                 *((const char **) value) = __connman_ipconfig_method2string(element->ipv4.method);
 827                 __connman_element_unlock(element);
 828                 break;
 829         case CONNMAN_PROPERTY_ID_IPV4_ADDRESS:
 830                 if (element->ipv4.address == NULL)
 831                         return connman_element_get_value(element->parent,
 832                                                                 id, value);
 833                 __connman_element_lock(element);
 834                 *((char **) value) = element->ipv4.address;
 835                 __connman_element_unlock(element);
 836                 break;
 837         case CONNMAN_PROPERTY_ID_IPV4_NETMASK:
 838                 if (element->ipv4.netmask == NULL)
 839                         return connman_element_get_value(element->parent,
 840                                                                 id, value);
 841                 __connman_element_lock(element);
 842                 *((char **) value) = element->ipv4.netmask;
 843                 __connman_element_unlock(element);
 844                 break;
 845         case CONNMAN_PROPERTY_ID_IPV4_GATEWAY:
 846                 if (element->ipv4.gateway == NULL)
 847                         return connman_element_get_value(element->parent,
 848                                                                 id, value);
 849                 __connman_element_lock(element);
 850                 *((char **) value) = element->ipv4.gateway;
 851                 __connman_element_unlock(element);
 852                 break;
 853         case CONNMAN_PROPERTY_ID_IPV4_BROADCAST:
 854                 if (element->ipv4.broadcast == NULL)
 855                         return connman_element_get_value(element->parent,
 856                                                                 id, value);
 857                 __connman_element_lock(element);
 858                 *((char **) value) = element->ipv4.broadcast;
 859                 __connman_element_unlock(element);
 860                 break;
 861         case CONNMAN_PROPERTY_ID_IPV4_NAMESERVER:
 862                 if (element->ipv4.nameserver == NULL)
 863                         return connman_element_get_value(element->parent,
 864                                                                 id, value);
 865                 __connman_element_lock(element);
 866                 *((char **) value) = element->ipv4.nameserver;
 867                 __connman_element_unlock(element);
 868                 break;
 869         default:
 870                 return -EINVAL;
 871         }
 872
 873         return 0;
 874 }
 875
 876 static gboolean get_static_property(struct connman_element *element,
 877                                                 const char *name, void *value)
 878 {
 879         struct connman_property *property;
 880         gboolean found = FALSE;
 881
 882         DBG("element %p name %s", element, element->name);
 883
 884         __connman_element_lock(element);
 885
 886         property = g_hash_table_lookup(element->properties, name);
 887         if (property != NULL) {
 888                 switch (property->type) {
 889                 case DBUS_TYPE_STRING:
 890                         *((char **) value) = property->value;
 891                         found = TRUE;
 892                         break;
 893                 case DBUS_TYPE_BOOLEAN:
 894                 case DBUS_TYPE_BYTE:
 895                         memcpy(value, property->value, 1);
 896                         found = TRUE;
 897                         break;
 898                 }
 899         }
 900
 901         __connman_element_unlock(element);
 902
 903         if (found == FALSE && element->parent != NULL)
 904                 return get_static_property(element->parent, name, value);
 905
 906         return found;
 907 }
 908
 909 static gboolean get_static_array_property(struct connman_element *element,
 910                         const char *name, void *value, unsigned int *len)
 911 {
 912         struct connman_property *property;
 913         gboolean found = FALSE;
 914
 915         DBG("element %p name %s", element, element->name);
 916
 917         __connman_element_lock(element);
 918
 919         property = g_hash_table_lookup(element->properties, name);
 920         if (property != NULL) {
 921                 *((void **) value) = property->value;
 922                 *len = property->size;
 923                 found = TRUE;
 924         }
 925
 926         __connman_element_unlock(element);
 927
 928         return found;
 929 }
 930
 931 #if 0
 932 static gboolean match_static_property(struct connman_element *element,
 933                                         const char *name, const void *value)
 934 {
 935         struct connman_property *property;
 936         gboolean result = FALSE;
 937
 938         DBG("element %p name %s", element, element->name);
 939
 940         __connman_element_lock(element);
 941
 942         property = g_hash_table_lookup(element->properties, name);
 943         if (property != NULL) {
 944                 if (property->type == DBUS_TYPE_STRING)
 945                         result = g_str_equal(property->value,
 946                                                 *((const char **) value));
 947         }
 948
 949         __connman_element_unlock(element);
 950
 951         return result;
 952 }
 953 #endif
 954
 955 /**
 956  * connman_element_set_string:
 957  * @element: element structure
 958  * @key: unique identifier
 959  * @value: string value
 960  *
 961  * Set string value for specific key
 962  */
 963 int connman_element_set_string(struct connman_element *element,
 964                                         const char *key, const char *value)
 965 {
 966         return set_static_property(element, key, DBUS_TYPE_STRING, &value);
 967 }
 968
 969 /**
 970  * connman_element_get_string:
 971  * @element: element structure
 972  * @key: unique identifier
 973  *
 974  * Get string value for specific key
 975  */
 976 const char *connman_element_get_string(struct connman_element *element,
 977                                                         const char *key)
 978 {
 979         const char *value;
 980
 981         if (get_static_property(element, key, &value) == FALSE)
 982                 return NULL;
 983
 984         return value;
 985 }
 986
 987 /**
 988  * connman_element_set_bool:
 989  * @element: element structure
 990  * @key: unique identifier
 991  * @value: boolean value
 992  *
 993  * Set boolean value for specific key
 994  */
 995 int connman_element_set_bool(struct connman_element *element,
 996                                         const char *key, connman_bool_t value)
 997 {
 998         return set_static_property(element, key, DBUS_TYPE_BOOLEAN, &value);
 999 }
1000
1001 /**
1002  * connman_element_get_bool:
1003  * @element: element structure
1004  * @key: unique identifier
1005  *
1006  * Get boolean value for specific key
1007  */
1008 connman_bool_t connman_element_get_bool(struct connman_element *element,
1009                                                         const char *key)
1010 {
1011         connman_bool_t value;
1012
1013         if (get_static_property(element, key, &value) == FALSE)
1014                 return FALSE;
1015
1016         return value;
1017 }
1018
1019 /**
1020  * connman_element_set_uint8:
1021  * @element: element structure
1022  * @key: unique identifier
1023  * @value: integer value
1024  *
1025  * Set integer value for specific key
1026  */
1027 int connman_element_set_uint8(struct connman_element *element,
1028                                         const char *key, connman_uint8_t value)
1029 {
1030         return set_static_property(element, key, DBUS_TYPE_BYTE, &value);
1031 }
1032
1033 /**
1034  * connman_element_get_uint8:
1035  * @element: element structure
1036  * @key: unique identifier
1037  *
1038  * Get integer value for specific key
1039  */
1040 connman_uint8_t connman_element_get_uint8(struct connman_element *element,
1041                                                         const char *key)
1042 {
1043         connman_uint8_t value;
1044
1045         if (get_static_property(element, key, &value) == FALSE)
1046                 return 0;
1047
1048         return value;
1049 }
1050
1051 /**
1052  * connman_element_set_blob:
1053  * @element: element structure
1054  * @key: unique identifier
1055  * @data: blob data
1056  * @size: blob size
1057  *
1058  * Set binary blob value for specific key
1059  */
1060 int connman_element_set_blob(struct connman_element *element,
1061                         const char *key, const void *data, unsigned int size)
1062 {
1063         return set_static_array_property(element, key,
1064                                                 DBUS_TYPE_BYTE, &data, size);
1065 }
1066
1067 /**
1068  * connman_element_get_blob:
1069  * @element: element structure
1070  * @key: unique identifier
1071  * @size: pointer to blob size
1072  *
1073  * Get binary blob value for specific key
1074  */
1075 const void *connman_element_get_blob(struct connman_element *element,
1076                                         const char *key, unsigned int *size)
1077 {
1078         void *value;
1079
1080         if (get_static_array_property(element, key, &value, size) == FALSE)
1081                 return NULL;
1082
1083         return value;
1084 }
1085
1086 int __connman_element_append_ipv4(struct connman_element *element,
1087                                                 DBusMessageIter *dict)
1088 {
1089         const char *method = NULL;
1090         const char *address = NULL, *netmask = NULL, *gateway = NULL;
1091         const char *broadcast = NULL, *nameserver = NULL;
1092
1093         connman_element_get_value(element,
1094                                 CONNMAN_PROPERTY_ID_IPV4_METHOD, &method);
1095
1096         connman_element_get_value(element,
1097                                 CONNMAN_PROPERTY_ID_IPV4_ADDRESS, &address);
1098         connman_element_get_value(element,
1099                                 CONNMAN_PROPERTY_ID_IPV4_NETMASK, &netmask);
1100         connman_element_get_value(element,
1101                                 CONNMAN_PROPERTY_ID_IPV4_GATEWAY, &gateway);
1102         connman_element_get_value(element,
1103                         CONNMAN_PROPERTY_ID_IPV4_BROADCAST, &broadcast);
1104         connman_element_get_value(element,
1105                         CONNMAN_PROPERTY_ID_IPV4_NAMESERVER, &nameserver);
1106
1107         if (method != NULL)
1108                 connman_dbus_dict_append_variant(dict, "IPv4.Method",
1109                                                 DBUS_TYPE_STRING, &method);
1110
1111         if (address != NULL)
1112                 connman_dbus_dict_append_variant(dict, "IPv4.Address",
1113                                                 DBUS_TYPE_STRING, &address);
1114
1115         if (netmask != NULL)
1116                 connman_dbus_dict_append_variant(dict, "IPv4.Netmask",
1117                                                 DBUS_TYPE_STRING, &netmask);
1118
1119         if (gateway != NULL)
1120                 connman_dbus_dict_append_variant(dict, "IPv4.Gateway",
1121                                                 DBUS_TYPE_STRING, &gateway);
1122
1123         if (broadcast != NULL)
1124                 connman_dbus_dict_append_variant(dict, "IPv4.Broadcast",
1125                                                 DBUS_TYPE_STRING, &broadcast);
1126
1127         if (nameserver != NULL)
1128                 connman_dbus_dict_append_variant(dict, "IPv4.Nameserver",
1129                                                 DBUS_TYPE_STRING, &nameserver);
1130
1131         return 0;
1132 }
1133
1134 int __connman_element_set_ipv4(struct connman_element *element,
1135                                 const char *name, DBusMessageIter *value)
1136 {
1137         int type;
1138
1139         type = dbus_message_iter_get_arg_type(value);
1140
1141         if (g_str_equal(name, "IPv4.Method") == TRUE) {
1142                 enum connman_ipconfig_method method;
1143                 const char *str;
1144
1145                 if (type != DBUS_TYPE_STRING)
1146                         return -EINVAL;
1147
1148                 dbus_message_iter_get_basic(value, &str);
1149                 method = __connman_ipconfig_string2method(str);
1150                 if (method == CONNMAN_IPCONFIG_METHOD_UNKNOWN)
1151                         return -EINVAL;
1152
1153                 if (method == element->ipv4.method)
1154                         return -EALREADY;
1155
1156                 element->ipv4.method = method;
1157
1158                 connman_element_update(element);
1159         } else if (g_str_equal(name, "IPv4.Address") == TRUE) {
1160                 const char *address;
1161
1162                 if (type != DBUS_TYPE_STRING)
1163                         return -EINVAL;
1164
1165                 dbus_message_iter_get_basic(value, &address);
1166
1167                 g_free(element->ipv4.address);
1168                 element->ipv4.address = g_strdup(address);
1169
1170                 connman_element_update(element);
1171         } else if (g_str_equal(name, "IPv4.Netmask") == TRUE) {
1172                 const char *netmask;
1173
1174                 if (type != DBUS_TYPE_STRING)
1175                         return -EINVAL;
1176
1177                 dbus_message_iter_get_basic(value, &netmask);
1178
1179                 g_free(element->ipv4.netmask);
1180                 element->ipv4.netmask = g_strdup(netmask);
1181
1182                 connman_element_update(element);
1183         } else if (g_str_equal(name, "IPv4.Gateway") == TRUE) {
1184                 const char *gateway;
1185
1186                 if (type != DBUS_TYPE_STRING)
1187                         return -EINVAL;
1188
1189                 dbus_message_iter_get_basic(value, &gateway);
1190
1191                 g_free(element->ipv4.gateway);
1192                 element->ipv4.gateway = g_strdup(gateway);
1193
1194                 connman_element_update(element);
1195         } else if (g_str_equal(name, "IPv4.Broadcast") == TRUE) {
1196                 const char *broadcast;
1197
1198                 if (type != DBUS_TYPE_STRING)
1199                         return -EINVAL;
1200
1201                 dbus_message_iter_get_basic(value, &broadcast);
1202
1203                 g_free(element->ipv4.broadcast);
1204                 element->ipv4.broadcast = g_strdup(broadcast);
1205
1206                 connman_element_update(element);
1207         } else if (g_str_equal(name, "IPv4.Nameserver") == TRUE) {
1208                 const char *nameserver;
1209
1210                 if (type != DBUS_TYPE_STRING)
1211                         return -EINVAL;
1212
1213                 dbus_message_iter_get_basic(value, &nameserver);
1214
1215                 g_free(element->ipv4.nameserver);
1216                 element->ipv4.nameserver = g_strdup(nameserver);
1217
1218                 connman_element_update(element);
1219         }
1220
1221         return 0;
1222 }
1223
1224 static void append_state(DBusMessageIter *entry, const char *state)
1225 {
1226         DBusMessageIter value;
1227         const char *key = "State";
1228
1229         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
1230
1231         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
1232                                         DBUS_TYPE_STRING_AS_STRING, &value);
1233         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &state);
1234         dbus_message_iter_close_container(entry, &value);
1235 }
1236
1237 static void emit_state_change(DBusConnection *conn, const char *state)
1238 {
1239         DBusMessage *signal;
1240         DBusMessageIter entry;
1241
1242         DBG("conn %p", conn);
1243
1244         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
1245                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
1246         if (signal == NULL)
1247                 return;
1248
1249         dbus_message_iter_init_append(signal, &entry);
1250
1251         append_state(&entry, state);
1252
1253         g_dbus_send_message(conn, signal);
1254
1255         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
1256                                 CONNMAN_MANAGER_INTERFACE, "StateChanged");
1257         if (signal == NULL)
1258                 return;
1259
1260         dbus_message_iter_init_append(signal, &entry);
1261         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &state);
1262
1263         g_dbus_send_message(conn, signal);
1264 }
1265
1266 static void probe_element(struct connman_element *element)
1267 {
1268         GSList *list;
1269
1270         DBG("element %p name %s", element, element->name);
1271
1272         for (list = driver_list; list; list = list->next) {
1273                 struct connman_driver *driver = list->data;
1274
1275                 if (match_driver(element, driver) == FALSE)
1276                         continue;
1277
1278                 DBG("driver %p name %s", driver, driver->name);
1279
1280                 if (driver->probe(element) == 0) {
1281                         __connman_element_lock(element);
1282                         element->driver = driver;
1283                         __connman_element_unlock(element);
1284                         break;
1285                 }
1286         }
1287 }
1288
1289 static void register_element(gpointer data, gpointer user_data)
1290 {
1291         struct connman_element *element = data;
1292         const gchar *basepath;
1293         GNode *node;
1294
1295         __connman_element_lock(element);
1296
1297         if (element->parent) {
1298                 node = g_node_find(element_root, G_PRE_ORDER,
1299                                         G_TRAVERSE_ALL, element->parent);
1300                 basepath = element->parent->path;
1301         } else {
1302                 element->parent = element_root->data;
1303
1304                 node = element_root;
1305                 basepath = "/device";
1306         }
1307
1308         element->path = g_strdup_printf("%s/%s", basepath, element->name);
1309
1310         __connman_element_unlock(element);
1311
1312         if (node == NULL) {
1313                 connman_error("Element registration for %s failed",
1314                                                         element->path);
1315                 return;
1316         }
1317
1318         DBG("element %p path %s", element, element->path);
1319
1320         g_node_append_data(node, element);
1321
1322         if (element->type == CONNMAN_ELEMENT_TYPE_DHCP) {
1323                 element->parent->configuring = TRUE;
1324
1325 #if 0
1326                 if (__connman_element_count(NULL,
1327                                         CONNMAN_ELEMENT_TYPE_CONNECTION) == 0)
1328                         emit_state_change(connection, "connecting");
1329 #endif
1330         }
1331
1332         if (element->type == CONNMAN_ELEMENT_TYPE_CONNECTION) {
1333                 struct connman_element *parent = element->parent;
1334
1335                 while (parent) {
1336                         parent->configuring = FALSE;
1337                         parent = parent->parent;
1338                 }
1339
1340                 if (__connman_element_count(NULL,
1341                                         CONNMAN_ELEMENT_TYPE_CONNECTION) == 1)
1342                         emit_state_change(connection, "online");
1343         }
1344
1345         if (started == FALSE)
1346                 return;
1347
1348         probe_element(element);
1349 }
1350
1351 gboolean __connman_element_device_isfiltered(const char *devname)
1352 {
1353         if (device_filter == NULL)
1354                 goto nodevice;
1355
1356         if (g_pattern_match_simple(device_filter, devname) == FALSE) {
1357                 DBG("ignoring device %s (match)", devname);
1358                 return TRUE;
1359         }
1360
1361 nodevice:
1362         if (nodevice_filter == NULL)
1363                 return FALSE;
1364
1365         if (g_pattern_match_simple(nodevice_filter, devname) == TRUE) {
1366                 DBG("ignoring device %s (no match)", devname);
1367                 return TRUE;
1368         }
1369
1370         return FALSE;
1371 }
1372
1373 /**
1374  * connman_element_register:
1375  * @element: the element to register
1376  * @parent: the parent to register the element with
1377  *
1378  * Register an element with the core. It will be register under the given
1379  * parent of if %NULL is provided under the root element.
1380  *
1381  * Returns: %0 on success
1382  */
1383 int connman_element_register(struct connman_element *element,
1384                                         struct connman_element *parent)
1385 {
1386         DBG("element %p name %s parent %p", element, element->name, parent);
1387
1388         if (element->devname == NULL)
1389                 element->devname = g_strdup(element->name);
1390
1391         if (element->type != CONNMAN_ELEMENT_TYPE_DEVICE)
1392                 goto setup;
1393
1394         if (__connman_element_device_isfiltered(element->devname) == TRUE)
1395                 return -EPERM;
1396
1397 setup:
1398         if (connman_element_ref(element) == NULL)
1399                 return -EINVAL;
1400
1401         __connman_element_lock(element);
1402
1403         if (element->name == NULL) {
1404                 element->name = g_strdup(type2string(element->type));
1405                 if (element->name == NULL) {
1406                         __connman_element_unlock(element);
1407                         return -EINVAL;
1408                 }
1409         }
1410
1411         if (element->type == CONNMAN_ELEMENT_TYPE_DHCP)
1412                 element->ipv4.method = CONNMAN_IPCONFIG_METHOD_DHCP;
1413
1414         element->parent = parent;
1415
1416         __connman_element_unlock(element);
1417
1418         register_element(element, NULL);
1419
1420         return 0;
1421 }
1422
1423 static gboolean remove_element(GNode *node, gpointer user_data)
1424 {
1425         struct connman_element *element = node->data;
1426         struct connman_element *root = user_data;
1427
1428         DBG("element %p name %s", element, element->name);
1429
1430         if (element == root)
1431                 return FALSE;
1432
1433         if (node != NULL)
1434                 g_node_unlink(node);
1435
1436         if (element->driver) {
1437                 if (element->driver->remove)
1438                         element->driver->remove(element);
1439
1440                 __connman_element_lock(element);
1441                 element->driver = NULL;
1442                 __connman_element_unlock(element);
1443         }
1444
1445         if (node != NULL)
1446                 g_node_destroy(node);
1447
1448         if (element->type == CONNMAN_ELEMENT_TYPE_CONNECTION) {
1449                 if (__connman_element_count(NULL,
1450                                         CONNMAN_ELEMENT_TYPE_CONNECTION) == 0)
1451                         emit_state_change(connection, "offline");
1452         }
1453
1454         connman_element_unref(element);
1455
1456         return FALSE;
1457 }
1458
1459 void connman_element_unregister(struct connman_element *element)
1460 {
1461         GNode *node;
1462
1463         DBG("element %p name %s", element, element->name);
1464
1465         node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
1466
1467         if (node != NULL)
1468                 g_node_traverse(node, G_POST_ORDER,
1469                                 G_TRAVERSE_ALL, -1, remove_element, NULL);
1470 }
1471
1472 void connman_element_unregister_children(struct connman_element *element)
1473 {
1474         GNode *node;
1475
1476         DBG("element %p name %s", element, element->name);
1477
1478         node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
1479
1480         if (node != NULL)
1481                 g_node_traverse(node, G_POST_ORDER,
1482                                 G_TRAVERSE_ALL, -1, remove_element, element);
1483 }
1484
1485 static gboolean update_element(GNode *node, gpointer user_data)
1486 {
1487         struct connman_element *element = node->data;
1488
1489         DBG("element %p name %s", element, element->name);
1490
1491         if (element->driver && element->driver->update)
1492                 element->driver->update(element);
1493
1494         return FALSE;
1495 }
1496
1497 void connman_element_update(struct connman_element *element)
1498 {
1499         GNode *node;
1500
1501         DBG("element %p name %s", element, element->name);
1502
1503         node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
1504
1505         if (node != NULL)
1506                 g_node_traverse(node, G_PRE_ORDER,
1507                                 G_TRAVERSE_ALL, -1, update_element, element);
1508 }
1509
1510 int connman_element_set_enabled(struct connman_element *element,
1511                                                         gboolean enabled)
1512 {
1513         if (element->enabled == enabled)
1514                 return 0;
1515
1516         element->enabled = enabled;
1517
1518         connman_element_update(element);
1519
1520         return 0;
1521 }
1522
1523 static enum connman_service_error convert_error(enum connman_element_error error)
1524 {
1525         switch (error) {
1526         case CONNMAN_ELEMENT_ERROR_UNKNOWN:
1527         case CONNMAN_ELEMENT_ERROR_FAILED:
1528                 break;
1529         case CONNMAN_ELEMENT_ERROR_DHCP_FAILED:
1530                 return CONNMAN_SERVICE_ERROR_DHCP_FAILED;
1531         case CONNMAN_ELEMENT_ERROR_CONNECT_FAILED:
1532                 return CONNMAN_SERVICE_ERROR_CONNECT_FAILED;
1533         }
1534
1535         return CONNMAN_SERVICE_ERROR_UNKNOWN;
1536 }
1537
1538 /**
1539  * connman_element_set_error:
1540  * @element: element structure
1541  * @error: error identifier
1542  *
1543  * Set error state and specific error identifier
1544  */
1545 void connman_element_set_error(struct connman_element *element,
1546                                         enum connman_element_error error)
1547 {
1548         struct connman_service *service;
1549
1550         DBG("element %p error %d", element, error);
1551
1552         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
1553                 return;
1554
1555         element->state = CONNMAN_ELEMENT_STATE_ERROR;
1556         element->error = error;
1557
1558         if (element->driver && element->driver->change)
1559                 element->driver->change(element);
1560
1561         service = __connman_element_get_service(element);
1562         __connman_service_indicate_error(service, convert_error(error));
1563 }
1564
1565 int __connman_element_init(const char *device, const char *nodevice)
1566 {
1567         struct connman_element *element;
1568
1569         DBG("");
1570
1571         connection = connman_dbus_get_connection();
1572         if (connection == NULL)
1573                 return -EIO;
1574
1575         device_filter = g_strdup(device);
1576         nodevice_filter = g_strdup(nodevice);
1577
1578         element = connman_element_create("root");
1579
1580         element->path = g_strdup("/");
1581         element->type = CONNMAN_ELEMENT_TYPE_ROOT;
1582
1583         element_root = g_node_new(element);
1584
1585         __connman_notifier_init();
1586         __connman_service_init();
1587         __connman_network_init();
1588         __connman_device_init();
1589
1590         return 0;
1591 }
1592
1593 static gboolean probe_node(GNode *node, gpointer data)
1594 {
1595         struct connman_element *element = node->data;
1596
1597         DBG("element %p name %s", element, element->name);
1598
1599         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
1600                 return FALSE;
1601
1602         if (element->driver)
1603                 return FALSE;
1604
1605         probe_element(element);
1606
1607         return FALSE;
1608 }
1609
1610 void __connman_element_start(void)
1611 {
1612         DBG("");
1613
1614         __connman_storage_init_profile();
1615
1616         g_node_traverse(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1617                                                         probe_node, NULL);
1618
1619         started = TRUE;
1620
1621         __connman_rtnl_start();
1622         __connman_udev_start();
1623
1624         __connman_connection_init();
1625         __connman_ipv4_init();
1626
1627         if (__connman_rfkill_init() < 0)
1628                 __connman_udev_enable_rfkill_processing();
1629 }
1630
1631 void __connman_element_stop(void)
1632 {
1633         DBG("");
1634
1635         __connman_rfkill_cleanup();
1636
1637         __connman_ipv4_cleanup();
1638         __connman_connection_cleanup();
1639 }
1640
1641 static gboolean free_driver(GNode *node, gpointer data)
1642 {
1643         struct connman_element *element = node->data;
1644
1645         DBG("element %p name %s", element, element->name);
1646
1647         if (element->driver) {
1648                 if (element->driver->remove)
1649                         element->driver->remove(element);
1650
1651                 __connman_element_lock(element);
1652                 element->driver = NULL;
1653                 __connman_element_unlock(element);
1654         }
1655
1656         return FALSE;
1657 }
1658
1659 static gboolean free_node(GNode *node, gpointer data)
1660 {
1661         struct connman_element *element = node->data;
1662
1663         DBG("element %p name %s", element, element->name);
1664
1665         if (g_node_depth(node) > 1)
1666                 connman_element_unregister(element);
1667
1668         return FALSE;
1669 }
1670
1671 void __connman_element_cleanup(void)
1672 {
1673         DBG("");
1674
1675         __connman_device_cleanup();
1676         __connman_network_cleanup();
1677         __connman_service_cleanup();
1678         __connman_notifier_cleanup();
1679
1680         g_node_traverse(element_root, G_POST_ORDER, G_TRAVERSE_ALL, -1,
1681                                                         free_driver, NULL);
1682
1683         g_node_traverse(element_root, G_POST_ORDER, G_TRAVERSE_ALL, -1,
1684                                                         free_node, NULL);
1685
1686         g_node_destroy(element_root);
1687         element_root = NULL;
1688
1689         g_free(nodevice_filter);
1690         g_free(device_filter);
1691
1692         if (connection == NULL)
1693                 return;
1694
1695         dbus_connection_unref(connection);
1696 }