git.maemo.org Git - connman/blob - src/device.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2008  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <errno.h>
  27 #include <gdbus.h>
  28
  29 #include "connman.h"
  30
  31 struct connman_device {
  32         struct connman_element element;
  33         enum connman_device_type type;
  34         enum connman_device_mode mode;
  35         enum connman_device_policy policy;
  36         gboolean powered;
  37         gboolean carrier;
  38         gboolean scanning;
  39         char *path;
  40         char *interface;
  41
  42         struct connman_device_driver *driver;
  43         void *driver_data;
  44
  45         GHashTable *networks;
  46 };
  47
  48 static const char *type2description(enum connman_device_type type)
  49 {
  50         switch (type) {
  51         case CONNMAN_DEVICE_TYPE_ETHERNET:
  52                 return "Ethernet";
  53         case CONNMAN_DEVICE_TYPE_WIFI:
  54                 return "Wireless";
  55         case CONNMAN_DEVICE_TYPE_WIMAX:
  56                 return "WiMAX";
  57         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
  58                 return "Bluetooth";
  59         case CONNMAN_DEVICE_TYPE_HSO:
  60                 return "Cellular";
  61         default:
  62                 return NULL;
  63         }
  64 }
  65
  66 static const char *type2string(enum connman_device_type type)
  67 {
  68         switch (type) {
  69         case CONNMAN_DEVICE_TYPE_ETHERNET:
  70                 return "ethernet";
  71         case CONNMAN_DEVICE_TYPE_WIFI:
  72                 return "wifi";
  73         case CONNMAN_DEVICE_TYPE_WIMAX:
  74                 return "wimax";
  75         case CONNMAN_DEVICE_TYPE_MODEM:
  76                 return "modem";
  77         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
  78                 return "bluetooth";
  79         case CONNMAN_DEVICE_TYPE_HSO:
  80                 return "cellular";
  81         default:
  82                 return NULL;
  83         }
  84 }
  85
  86 static const char *policy2string(enum connman_device_policy policy)
  87 {
  88         switch (policy) {
  89         case CONNMAN_DEVICE_POLICY_IGNORE:
  90                 return "ignore";
  91         case CONNMAN_DEVICE_POLICY_OFF:
  92                 return "off";
  93         case CONNMAN_DEVICE_POLICY_AUTO:
  94                 return "auto";
  95         case CONNMAN_DEVICE_POLICY_MANUAL:
  96                 return "manual";
  97         default:
  98                 return NULL;
  99         }
 100 }
 101
 102 static enum connman_device_policy string2policy(const char *policy)
 103 {
 104         if (g_str_equal(policy, "ignore") == TRUE)
 105                 return CONNMAN_DEVICE_POLICY_IGNORE;
 106         else if (g_str_equal(policy, "off") == TRUE)
 107                 return CONNMAN_DEVICE_POLICY_OFF;
 108         else if (g_str_equal(policy, "auto") == TRUE)
 109                 return CONNMAN_DEVICE_POLICY_AUTO;
 110         else if (g_str_equal(policy, "manual") == TRUE)
 111                 return CONNMAN_DEVICE_POLICY_MANUAL;
 112         else
 113                 return CONNMAN_DEVICE_POLICY_UNKNOWN;
 114 }
 115
 116 static int set_powered(struct connman_device *device, gboolean powered)
 117 {
 118         struct connman_device_driver *driver = device->driver;
 119         int err;
 120
 121         DBG("device %p powered %d", device, powered);
 122
 123         if (!driver)
 124                 return -EINVAL;
 125
 126         if (powered == TRUE) {
 127                 if (driver->enable)
 128                         err = driver->enable(device);
 129                 else
 130                         err = -EINVAL;
 131         } else {
 132                 if (driver->disable)
 133                         err = driver->disable(device);
 134                 else
 135                         err = -EINVAL;
 136         }
 137
 138         return err;
 139 }
 140
 141 static int set_policy(DBusConnection *connection,
 142                                 struct connman_device *device,
 143                                         enum connman_device_policy policy)
 144 {
 145         DBusMessage *signal;
 146         DBusMessageIter entry, value;
 147         const char *str, *key = "Policy";
 148         int err = 0;
 149
 150         DBG("device %p policy %d", device, policy);
 151
 152         if (device->policy == policy)
 153                 return 0;
 154
 155         switch (policy) {
 156         case CONNMAN_DEVICE_POLICY_OFF:
 157                 if (device->powered == TRUE)
 158                         err = set_powered(device, FALSE);
 159                 break;
 160         case CONNMAN_DEVICE_POLICY_AUTO:
 161         case CONNMAN_DEVICE_POLICY_MANUAL:
 162                 if (device->powered == FALSE)
 163                         err = set_powered(device, TRUE);
 164                 break;
 165         default:
 166                 break;
 167         }
 168
 169         if (err < 0)
 170                 return err;
 171
 172         device->policy = policy;
 173
 174         signal = dbus_message_new_signal(device->element.path,
 175                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 176         if (signal == NULL)
 177                 return 0;
 178
 179         dbus_message_iter_init_append(signal, &entry);
 180
 181         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 182
 183         str = policy2string(policy);
 184
 185         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 186                                         DBUS_TYPE_STRING_AS_STRING, &value);
 187         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &str);
 188         dbus_message_iter_close_container(&entry, &value);
 189
 190         g_dbus_send_message(connection, signal);
 191
 192         return 0;
 193 }
 194
 195 static void append_networks(struct connman_device *device,
 196                                                 DBusMessageIter *entry)
 197 {
 198         DBusMessageIter value, iter;
 199         const char *key = "Networks";
 200
 201         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 202
 203         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 204                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 205                                                                 &value);
 206
 207         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 208                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 209         __connman_element_list((struct connman_element *) device,
 210                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 211         dbus_message_iter_close_container(&value, &iter);
 212
 213         dbus_message_iter_close_container(entry, &value);
 214 }
 215
 216 static DBusMessage *get_properties(DBusConnection *conn,
 217                                         DBusMessage *msg, void *data)
 218 {
 219         struct connman_device *device = data;
 220         DBusMessage *reply;
 221         DBusMessageIter array, dict, entry;
 222         const char *str;
 223
 224         DBG("conn %p", conn);
 225
 226         reply = dbus_message_new_method_return(msg);
 227         if (reply == NULL)
 228                 return NULL;
 229
 230         dbus_message_iter_init_append(reply, &array);
 231
 232         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 233                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 234                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 235                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 236
 237         str = type2description(device->type);
 238         if (str != NULL && device->interface != NULL) {
 239                 char *name = g_strdup_printf("%s (%s)", str, device->interface);
 240                 if (name != NULL)
 241                         connman_dbus_dict_append_variant(&dict, "Name",
 242                                                 DBUS_TYPE_STRING, &name);
 243                 g_free(name);
 244         }
 245
 246         str = type2string(device->type);
 247         if (str != NULL)
 248                 connman_dbus_dict_append_variant(&dict, "Type",
 249                                                 DBUS_TYPE_STRING, &str);
 250
 251         if (device->interface != NULL)
 252                 connman_dbus_dict_append_variant(&dict, "Interface",
 253                                         DBUS_TYPE_STRING, &device->interface);
 254
 255         str = policy2string(device->policy);
 256         if (str != NULL)
 257                 connman_dbus_dict_append_variant(&dict, "Policy",
 258                                                 DBUS_TYPE_STRING, &str);
 259
 260         connman_dbus_dict_append_variant(&dict, "Powered",
 261                                         DBUS_TYPE_BOOLEAN, &device->powered);
 262
 263         if (device->driver && device->driver->scan)
 264                 connman_dbus_dict_append_variant(&dict, "Scanning",
 265                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 266
 267         if (device->mode != CONNMAN_DEVICE_MODE_NO_NETWORK) {
 268                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 269                                                                 NULL, &entry);
 270                 append_networks(device, &entry);
 271                 dbus_message_iter_close_container(&dict, &entry);
 272         }
 273
 274         dbus_message_iter_close_container(&array, &dict);
 275
 276         return reply;
 277 }
 278
 279 static DBusMessage *set_property(DBusConnection *conn,
 280                                         DBusMessage *msg, void *data)
 281 {
 282         struct connman_device *device = data;
 283         DBusMessageIter iter, value;
 284         const char *name;
 285
 286         DBG("conn %p", conn);
 287
 288         if (dbus_message_iter_init(msg, &iter) == FALSE)
 289                 return __connman_error_invalid_arguments(msg);
 290
 291         dbus_message_iter_get_basic(&iter, &name);
 292         dbus_message_iter_next(&iter);
 293         dbus_message_iter_recurse(&iter, &value);
 294
 295         if (__connman_security_check_privileges(msg) < 0)
 296                 return __connman_error_permission_denied(msg);
 297
 298         if (g_str_equal(name, "Powered") == TRUE) {
 299                 gboolean powered;
 300                 int err;
 301
 302                 dbus_message_iter_get_basic(&value, &powered);
 303
 304                 if (device->powered == powered)
 305                         return __connman_error_invalid_arguments(msg);
 306
 307                 err = set_powered(device, powered);
 308                 if (err < 0 && err != -EINPROGRESS)
 309                         return __connman_error_failed(msg);
 310         } else if (g_str_equal(name, "Policy") == TRUE) {
 311                 enum connman_device_policy policy;
 312                 const char *str;
 313                 int err;
 314
 315                 dbus_message_iter_get_basic(&value, &str);
 316                 policy = string2policy(str);
 317                 if (policy == CONNMAN_DEVICE_POLICY_UNKNOWN)
 318                         return __connman_error_invalid_arguments(msg);
 319
 320                 err = set_policy(conn, device, policy);
 321                 if (err < 0)
 322                         return __connman_error_failed(msg);
 323         }
 324
 325         __connman_element_store(&device->element);
 326
 327         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 328 }
 329
 330 static DBusMessage *create_network(DBusConnection *conn,
 331                                         DBusMessage *msg, void *data)
 332 {
 333         DBG("conn %p", conn);
 334
 335         if (__connman_security_check_privileges(msg) < 0)
 336                 return __connman_error_permission_denied(msg);
 337
 338         return __connman_error_invalid_arguments(msg);
 339 }
 340
 341 static DBusMessage *remove_network(DBusConnection *conn,
 342                                         DBusMessage *msg, void *data)
 343 {
 344         DBG("conn %p", conn);
 345
 346         if (__connman_security_check_privileges(msg) < 0)
 347                 return __connman_error_permission_denied(msg);
 348
 349         return __connman_error_invalid_arguments(msg);
 350 }
 351
 352 static DBusMessage *propose_scan(DBusConnection *conn,
 353                                         DBusMessage *msg, void *data)
 354 {
 355         struct connman_device *device = data;
 356         int err;
 357
 358         DBG("conn %p", conn);
 359
 360         if (device->mode == CONNMAN_DEVICE_MODE_NO_NETWORK)
 361                 return __connman_error_not_supported(msg);
 362
 363         if (!device->driver || !device->driver->scan)
 364                 return __connman_error_not_supported(msg);
 365
 366         err = device->driver->scan(device);
 367         if (err < 0)
 368                 return __connman_error_failed(msg);
 369
 370         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 371 }
 372
 373 static GDBusMethodTable device_methods[] = {
 374         { "GetProperties", "",      "a{sv}", get_properties },
 375         { "SetProperty",   "sv",    "",      set_property   },
 376         { "CreateNetwork", "a{sv}", "o",     create_network },
 377         { "RemoveNetwork", "o",     "",      remove_network },
 378         { "ProposeScan",   "",      "",      propose_scan   },
 379         { },
 380 };
 381
 382 static GDBusSignalTable device_signals[] = {
 383         { "PropertyChanged", "sv" },
 384         { },
 385 };
 386
 387 static DBusConnection *connection;
 388
 389 static void append_devices(DBusMessageIter *entry)
 390 {
 391         DBusMessageIter value, iter;
 392         const char *key = "Devices";
 393
 394         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 395
 396         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 397                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 398                                                                 &value);
 399
 400         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 401                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 402         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 403         dbus_message_iter_close_container(&value, &iter);
 404
 405         dbus_message_iter_close_container(entry, &value);
 406 }
 407
 408 static void emit_devices_signal(void)
 409 {
 410         DBusMessage *signal;
 411         DBusMessageIter entry;
 412
 413         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 414                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 415         if (signal == NULL)
 416                 return;
 417
 418         dbus_message_iter_init_append(signal, &entry);
 419
 420         append_devices(&entry);
 421
 422         g_dbus_send_message(connection, signal);
 423 }
 424
 425 static int register_interface(struct connman_element *element)
 426 {
 427         struct connman_device *device = element->device;
 428
 429         if (g_dbus_register_interface(connection, element->path,
 430                                         CONNMAN_DEVICE_INTERFACE,
 431                                         device_methods, device_signals,
 432                                         NULL, device, NULL) == FALSE) {
 433                 connman_error("Failed to register %s device", element->path);
 434                 return -EIO;
 435         }
 436
 437         emit_devices_signal();
 438
 439         return 0;
 440 }
 441
 442 static void unregister_interface(struct connman_element *element)
 443 {
 444         emit_devices_signal();
 445
 446         g_dbus_unregister_interface(connection, element->path,
 447                                                 CONNMAN_DEVICE_INTERFACE);
 448 }
 449
 450 static GSList *driver_list = NULL;
 451
 452 static gint compare_priority(gconstpointer a, gconstpointer b)
 453 {
 454         const struct connman_device_driver *driver1 = a;
 455         const struct connman_device_driver *driver2 = b;
 456
 457         return driver2->priority - driver1->priority;
 458 }
 459
 460 /**
 461  * connman_device_driver_register:
 462  * @driver: device driver definition
 463  *
 464  * Register a new device driver
 465  *
 466  * Returns: %0 on success
 467  */
 468 int connman_device_driver_register(struct connman_device_driver *driver)
 469 {
 470         DBG("driver %p name %s", driver, driver->name);
 471
 472         driver_list = g_slist_insert_sorted(driver_list, driver,
 473                                                         compare_priority);
 474
 475         //__connman_driver_rescan(&device_driver);
 476
 477         return 0;
 478 }
 479
 480 /**
 481  * connman_device_driver_unregister:
 482  * @driver: device driver definition
 483  *
 484  * Remove a previously registered device driver
 485  */
 486 void connman_device_driver_unregister(struct connman_device_driver *driver)
 487 {
 488         DBG("driver %p name %s", driver, driver->name);
 489
 490         driver_list = g_slist_remove(driver_list, driver);
 491 }
 492
 493 static void unregister_network(gpointer data)
 494 {
 495         struct connman_network *network = data;
 496
 497         DBG("network %p", network);
 498
 499         connman_element_unregister((struct connman_element *) network);
 500
 501         connman_network_unref(network);
 502 }
 503
 504 static void device_destruct(struct connman_element *element)
 505 {
 506         struct connman_device *device = element->device;
 507
 508         DBG("element %p name %s", element, element->name);
 509
 510         g_free(device->interface);
 511
 512         g_hash_table_destroy(device->networks);
 513 }
 514
 515 /**
 516  * connman_device_create:
 517  * @node: device node name (for example an address)
 518  * @type: device type
 519  *
 520  * Allocate a new device of given #type and assign the #node name to it.
 521  *
 522  * Returns: a newly-allocated #connman_device structure
 523  */
 524 struct connman_device *connman_device_create(const char *node,
 525                                                 enum connman_device_type type)
 526 {
 527         struct connman_device *device;
 528
 529         DBG("node %s type %d", node, type);
 530
 531         device = g_try_new0(struct connman_device, 1);
 532         if (device == NULL)
 533                 return NULL;
 534
 535         DBG("device %p", device);
 536
 537         device->element.refcount = 1;
 538
 539         device->element.name = g_strdup(node);
 540         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 541         device->element.index = -1;
 542
 543         device->element.device = device;
 544         device->element.destruct = device_destruct;
 545
 546         device->type = type;
 547         device->mode = CONNMAN_DEVICE_MODE_NO_NETWORK;
 548         device->policy = CONNMAN_DEVICE_POLICY_AUTO;
 549
 550         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 551                                                 g_free, unregister_network);
 552
 553         return device;
 554 }
 555
 556 /**
 557  * connman_device_ref:
 558  * @device: device structure
 559  *
 560  * Increase reference counter of device
 561  */
 562 struct connman_device *connman_device_ref(struct connman_device *device)
 563 {
 564         if (connman_element_ref(&device->element) == NULL)
 565                 return NULL;
 566
 567         return device;
 568 }
 569
 570 /**
 571  * connman_device_unref:
 572  * @device: device structure
 573  *
 574  * Decrease reference counter of device
 575  */
 576 void connman_device_unref(struct connman_device *device)
 577 {
 578         connman_element_unref(&device->element);
 579 }
 580
 581 /**
 582  * connman_device_set_path:
 583  * @device: device structure
 584  * @path: path name
 585  *
 586  * Set path name of device
 587  */
 588 void connman_device_set_path(struct connman_device *device, const char *path)
 589 {
 590         g_free(device->element.devpath);
 591         device->element.devpath = g_strdup(path);
 592
 593         g_free(device->path);
 594         device->path = g_strdup(path);
 595 }
 596
 597 /**
 598  * connman_device_get_path:
 599  * @device: device structure
 600  *
 601  * Get path name of device
 602  */
 603 const char *connman_device_get_path(struct connman_device *device)
 604 {
 605         return device->path;
 606 }
 607
 608 /**
 609  * connman_device_set_index:
 610  * @device: device structure
 611  * @index: index number
 612  *
 613  * Set index number of device
 614  */
 615 void connman_device_set_index(struct connman_device *device, int index)
 616 {
 617         device->element.index = index;
 618 }
 619
 620 /**
 621  * connman_device_get_index:
 622  * @device: device structure
 623  *
 624  * Get index number of device
 625  */
 626 int connman_device_get_index(struct connman_device *device)
 627 {
 628         return device->element.index;
 629 }
 630
 631 /**
 632  * connman_device_set_interface:
 633  * @device: device structure
 634  * @interface: interface name
 635  *
 636  * Set interface name of device
 637  */
 638 void connman_device_set_interface(struct connman_device *device,
 639                                                         const char *interface)
 640 {
 641         g_free(device->element.devname);
 642         device->element.devname = g_strdup(interface);
 643
 644         g_free(device->interface);
 645         device->interface = g_strdup(interface);
 646 }
 647
 648 /**
 649  * connman_device_get_interface:
 650  * @device: device structure
 651  *
 652  * Get interface name of device
 653  */
 654 const char *connman_device_get_interface(struct connman_device *device)
 655 {
 656         return device->interface;
 657 }
 658
 659 /**
 660  * connman_device_set_policy:
 661  * @device: device structure
 662  * @policy: power and connection policy
 663  *
 664  * Change power and connection policy of device
 665  */
 666 void connman_device_set_policy(struct connman_device *device,
 667                                         enum connman_device_policy policy)
 668 {
 669         device->policy = policy;
 670 }
 671
 672 /**
 673  * connman_device_set_mode:
 674  * @device: device structure
 675  * @mode: network mode
 676  *
 677  * Change network mode of device
 678  */
 679 void connman_device_set_mode(struct connman_device *device,
 680                                                 enum connman_device_mode mode)
 681 {
 682         device->mode = mode;
 683 }
 684
 685 /**
 686  * connman_device_set_powered:
 687  * @device: device structure
 688  * @powered: powered state
 689  *
 690  * Change power state of device
 691  */
 692 int connman_device_set_powered(struct connman_device *device,
 693                                                         gboolean powered)
 694 {
 695         DBusMessage *signal;
 696         DBusMessageIter entry, value;
 697         const char *key = "Powered";
 698
 699         DBG("driver %p powered %d", device, powered);
 700
 701         if (device->powered == powered)
 702                 return -EALREADY;
 703
 704         device->powered = powered;
 705
 706         signal = dbus_message_new_signal(device->element.path,
 707                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 708         if (signal == NULL)
 709                 return 0;
 710
 711         dbus_message_iter_init_append(signal, &entry);
 712
 713         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 714
 715         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 716                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 717         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &powered);
 718         dbus_message_iter_close_container(&entry, &value);
 719
 720         g_dbus_send_message(connection, signal);
 721
 722         return 0;
 723 }
 724
 725 /**
 726  * connman_device_set_carrier:
 727  * @device: device structure
 728  * @carrier: carrier state
 729  *
 730  * Change carrier state of device (only for device without scanning)
 731  */
 732 int connman_device_set_carrier(struct connman_device *device,
 733                                                         gboolean carrier)
 734 {
 735         DBG("driver %p carrier %d", device, carrier);
 736
 737         if (device->mode != CONNMAN_DEVICE_MODE_NO_NETWORK)
 738                 return -EINVAL;
 739
 740         if (device->carrier == carrier)
 741                 return -EALREADY;
 742
 743         device->carrier = carrier;
 744
 745         if (carrier == TRUE) {
 746                 struct connman_element *element;
 747
 748                 element = connman_element_create(NULL);
 749                 if (element != NULL) {
 750                         element->type    = CONNMAN_ELEMENT_TYPE_DEVICE;
 751                         element->subtype = CONNMAN_ELEMENT_SUBTYPE_NETWORK;
 752                         element->index   = device->element.index;
 753
 754                         if (connman_element_register(element,
 755                                                         &device->element) < 0)
 756                                 connman_element_unref(element);
 757                 }
 758         } else
 759                 connman_element_unregister_children(&device->element);
 760
 761         return 0;
 762 }
 763
 764 /**
 765  * connman_device_set_scanning:
 766  * @device: device structure
 767  * @scanning: scanning state
 768  *
 769  * Change scanning state of device
 770  */
 771 int connman_device_set_scanning(struct connman_device *device,
 772                                                         gboolean scanning)
 773 {
 774         DBusMessage *signal;
 775         DBusMessageIter entry, value;
 776         const char *key = "Scanning";
 777
 778         DBG("driver %p scanning %d", device, scanning);
 779
 780         if (!device->driver || !device->driver->scan)
 781                 return -EINVAL;
 782
 783         if (device->scanning == scanning)
 784                 return -EALREADY;
 785
 786         device->scanning = scanning;
 787
 788         signal = dbus_message_new_signal(device->element.path,
 789                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 790         if (signal == NULL)
 791                 return 0;
 792
 793         dbus_message_iter_init_append(signal, &entry);
 794
 795         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 796
 797         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 798                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 799         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
 800         dbus_message_iter_close_container(&entry, &value);
 801
 802         g_dbus_send_message(connection, signal);
 803
 804         return 0;
 805 }
 806
 807 /**
 808  * connman_device_add_network:
 809  * @device: device structure
 810  * @network: network structure
 811  *
 812  * Add new network to the device
 813  */
 814 int connman_device_add_network(struct connman_device *device,
 815                                         struct connman_network *network)
 816 {
 817         const char *identifier = connman_network_get_identifier(network);
 818         int err;
 819
 820         DBG("device %p network %p", device, network);
 821
 822         if (device->mode == CONNMAN_DEVICE_MODE_NO_NETWORK)
 823                 return -EINVAL;
 824
 825         err = connman_element_register((struct connman_element *) network,
 826                                                         &device->element);
 827         if (err < 0)
 828                 return err;
 829
 830         g_hash_table_insert(device->networks, g_strdup(identifier),
 831                                                                 network);
 832
 833         return 0;
 834 }
 835
 836 /**
 837  * connman_device_get_network:
 838  * @device: device structure
 839  * @identifier: network identifier
 840  *
 841  * Get network for given identifier
 842  */
 843 struct connman_network *connman_device_get_network(struct connman_device *device,
 844                                                         const char *identifier)
 845 {
 846         DBG("device %p identifier %s", device, identifier);
 847
 848         return g_hash_table_lookup(device->networks, identifier);
 849 }
 850
 851 /**
 852  * connman_device_remove_network:
 853  * @device: device structure
 854  * @identifier: network identifier
 855  *
 856  * Remove network for given identifier
 857  */
 858 int connman_device_remove_network(struct connman_device *device,
 859                                                         const char *identifier)
 860 {
 861         DBG("device %p identifier %s", device, identifier);
 862
 863         g_hash_table_remove(device->networks, identifier);
 864
 865         return 0;
 866 }
 867
 868 /**
 869  * connman_device_register:
 870  * @device: device structure
 871  *
 872  * Register device with the system
 873  */
 874 int connman_device_register(struct connman_device *device)
 875 {
 876         return connman_element_register(&device->element, NULL);
 877 }
 878
 879 /**
 880  * connman_device_unregister:
 881  * @device: device structure
 882  *
 883  * Unregister device with the system
 884  */
 885 void connman_device_unregister(struct connman_device *device)
 886 {
 887         connman_element_unregister(&device->element);
 888 }
 889
 890 /**
 891  * connman_device_get_data:
 892  * @device: device structure
 893  *
 894  * Get private device data pointer
 895  */
 896 void *connman_device_get_data(struct connman_device *device)
 897 {
 898         return device->driver_data;
 899 }
 900
 901 /**
 902  * connman_device_set_data:
 903  * @device: device structure
 904  * @data: data pointer
 905  *
 906  * Set private device data pointer
 907  */
 908 void connman_device_set_data(struct connman_device *device, void *data)
 909 {
 910         device->driver_data = data;
 911 }
 912
 913 static void device_enable(struct connman_device *device)
 914 {
 915         DBG("device %p", device);
 916
 917         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE ||
 918                                 device->policy == CONNMAN_DEVICE_POLICY_OFF)
 919                 return;
 920
 921         if (device->powered == TRUE)
 922                 return;
 923
 924         if (device->driver->enable)
 925                 device->driver->enable(device);
 926 }
 927
 928 static void device_disable(struct connman_device *device)
 929 {
 930         DBG("device %p", device);
 931
 932         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE)
 933                 return;
 934
 935         if (device->powered == FALSE)
 936                 return;
 937
 938         if (device->driver->disable)
 939                 device->driver->disable(device);
 940 }
 941
 942 static gboolean match_driver(struct connman_device *device,
 943                                         struct connman_device_driver *driver)
 944 {
 945         if (device->type == driver->type ||
 946                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
 947                 return TRUE;
 948
 949         return FALSE;
 950 }
 951
 952 static int device_probe(struct connman_element *element)
 953 {
 954         struct connman_device *device = element->device;
 955         GSList *list;
 956         int err;
 957
 958         DBG("element %p name %s", element, element->name);
 959
 960         if (device == NULL)
 961                 return -ENODEV;
 962
 963         for (list = driver_list; list; list = list->next) {
 964                 struct connman_device_driver *driver = list->data;
 965
 966                 if (match_driver(device, driver) == FALSE)
 967                         continue;
 968
 969                 DBG("driver %p name %s", driver, driver->name);
 970
 971                 if (driver->probe(device) == 0) {
 972                         device->driver = driver;
 973                         break;
 974                 }
 975         }
 976
 977         if (!device->driver)
 978                 return -ENODEV;
 979
 980         err = register_interface(element);
 981         if (err < 0) {
 982                 if (device->driver->remove)
 983                         device->driver->remove(device);
 984                 return err;
 985         }
 986
 987         device_enable(device);
 988
 989         return 0;
 990 }
 991
 992 static void device_remove(struct connman_element *element)
 993 {
 994         struct connman_device *device = element->device;
 995
 996         DBG("element %p name %s", element, element->name);
 997
 998         if (device == NULL)
 999                 return;
1000
1001         if (!device->driver)
1002                 return;
1003
1004         device_disable(device);
1005
1006         unregister_interface(element);
1007
1008         if (device->driver->remove)
1009                 device->driver->remove(device);
1010 }
1011
1012 static struct connman_driver device_driver = {
1013         .name           = "device",
1014         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1015         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1016         .probe          = device_probe,
1017         .remove         = device_remove,
1018 };
1019
1020 int __connman_device_init(void)
1021 {
1022         DBG("");
1023
1024         connection = connman_dbus_get_connection();
1025
1026         return connman_driver_register(&device_driver);
1027 }
1028
1029 void __connman_device_cleanup(void)
1030 {
1031         DBG("");
1032
1033         connman_driver_unregister(&device_driver);
1034
1035         dbus_connection_unref(connection);
1036 }