git.maemo.org Git - connman/blob - src/device.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 <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         connman_bool_t registered;
  46
  47         GHashTable *networks;
  48 };
  49
  50 static const char *type2description(enum connman_device_type type)
  51 {
  52         switch (type) {
  53         case CONNMAN_DEVICE_TYPE_UNKNOWN:
  54         case CONNMAN_DEVICE_TYPE_VENDOR:
  55                 break;
  56         case CONNMAN_DEVICE_TYPE_ETHERNET:
  57                 return "Ethernet";
  58         case CONNMAN_DEVICE_TYPE_WIFI:
  59                 return "Wireless";
  60         case CONNMAN_DEVICE_TYPE_WIMAX:
  61                 return "WiMAX";
  62         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
  63                 return "Bluetooth";
  64         case CONNMAN_DEVICE_TYPE_HSO:
  65         case CONNMAN_DEVICE_TYPE_NOZOMI:
  66         case CONNMAN_DEVICE_TYPE_HUAWEI:
  67         case CONNMAN_DEVICE_TYPE_NOVATEL:
  68                 return "Cellular";
  69         }
  70
  71         return NULL;
  72 }
  73
  74 static const char *type2string(enum connman_device_type type)
  75 {
  76         switch (type) {
  77         case CONNMAN_DEVICE_TYPE_UNKNOWN:
  78         case CONNMAN_DEVICE_TYPE_VENDOR:
  79                 break;
  80         case CONNMAN_DEVICE_TYPE_ETHERNET:
  81                 return "ethernet";
  82         case CONNMAN_DEVICE_TYPE_WIFI:
  83                 return "wifi";
  84         case CONNMAN_DEVICE_TYPE_WIMAX:
  85                 return "wimax";
  86         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
  87                 return "bluetooth";
  88         case CONNMAN_DEVICE_TYPE_HSO:
  89         case CONNMAN_DEVICE_TYPE_HUAWEI:
  90         case CONNMAN_DEVICE_TYPE_NOZOMI:
  91         case CONNMAN_DEVICE_TYPE_NOVATEL:
  92                 return "cellular";
  93         }
  94
  95         return NULL;
  96 }
  97
  98 static const char *policy2string(enum connman_device_policy policy)
  99 {
 100         switch (policy) {
 101         case CONNMAN_DEVICE_POLICY_UNKNOWN:
 102                 break;
 103         case CONNMAN_DEVICE_POLICY_IGNORE:
 104                 return "ignore";
 105         case CONNMAN_DEVICE_POLICY_OFF:
 106                 return "off";
 107         case CONNMAN_DEVICE_POLICY_AUTO:
 108                 return "auto";
 109         case CONNMAN_DEVICE_POLICY_MANUAL:
 110                 return "manual";
 111         }
 112
 113         return NULL;
 114 }
 115
 116 static enum connman_device_policy string2policy(const char *policy)
 117 {
 118         if (g_str_equal(policy, "ignore") == TRUE)
 119                 return CONNMAN_DEVICE_POLICY_IGNORE;
 120         else if (g_str_equal(policy, "off") == TRUE)
 121                 return CONNMAN_DEVICE_POLICY_OFF;
 122         else if (g_str_equal(policy, "auto") == TRUE)
 123                 return CONNMAN_DEVICE_POLICY_AUTO;
 124         else if (g_str_equal(policy, "manual") == TRUE)
 125                 return CONNMAN_DEVICE_POLICY_MANUAL;
 126         else
 127                 return CONNMAN_DEVICE_POLICY_UNKNOWN;
 128 }
 129
 130 static int set_powered(struct connman_device *device, gboolean powered)
 131 {
 132         struct connman_device_driver *driver = device->driver;
 133         int err;
 134
 135         DBG("device %p powered %d", device, powered);
 136
 137         if (!driver)
 138                 return -EINVAL;
 139
 140         if (powered == TRUE) {
 141                 if (driver->enable)
 142                         err = driver->enable(device);
 143                 else
 144                         err = -EINVAL;
 145         } else {
 146                 g_hash_table_remove_all(device->networks);
 147
 148                 if (driver->disable)
 149                         err = driver->disable(device);
 150                 else
 151                         err = -EINVAL;
 152         }
 153
 154         return err;
 155 }
 156
 157 static int set_policy(DBusConnection *connection,
 158                                 struct connman_device *device,
 159                                         enum connman_device_policy policy)
 160 {
 161         DBusMessage *signal;
 162         DBusMessageIter entry, value;
 163         const char *str, *key = "Policy";
 164         int err = 0;
 165
 166         DBG("device %p policy %d", device, policy);
 167
 168         if (device->policy == policy)
 169                 return 0;
 170
 171         switch (policy) {
 172         case CONNMAN_DEVICE_POLICY_UNKNOWN:
 173                 return -EINVAL;
 174         case CONNMAN_DEVICE_POLICY_IGNORE:
 175                 break;
 176         case CONNMAN_DEVICE_POLICY_OFF:
 177                 if (device->powered == TRUE)
 178                         err = set_powered(device, FALSE);
 179                 break;
 180         case CONNMAN_DEVICE_POLICY_AUTO:
 181         case CONNMAN_DEVICE_POLICY_MANUAL:
 182                 if (device->powered == FALSE)
 183                         err = set_powered(device, TRUE);
 184                 break;
 185         }
 186
 187         if (err < 0)
 188                 return err;
 189
 190         device->policy = policy;
 191
 192         signal = dbus_message_new_signal(device->element.path,
 193                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 194         if (signal == NULL)
 195                 return 0;
 196
 197         dbus_message_iter_init_append(signal, &entry);
 198
 199         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 200
 201         str = policy2string(policy);
 202
 203         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 204                                         DBUS_TYPE_STRING_AS_STRING, &value);
 205         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &str);
 206         dbus_message_iter_close_container(&entry, &value);
 207
 208         g_dbus_send_message(connection, signal);
 209
 210         return 0;
 211 }
 212
 213 static void append_networks(struct connman_device *device,
 214                                                 DBusMessageIter *entry)
 215 {
 216         DBusMessageIter value, iter;
 217         const char *key = "Networks";
 218
 219         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 220
 221         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 222                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 223                                                                 &value);
 224
 225         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 226                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 227         __connman_element_list((struct connman_element *) device,
 228                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 229         dbus_message_iter_close_container(&value, &iter);
 230
 231         dbus_message_iter_close_container(entry, &value);
 232 }
 233
 234 static DBusMessage *get_properties(DBusConnection *conn,
 235                                         DBusMessage *msg, void *data)
 236 {
 237         struct connman_device *device = data;
 238         DBusMessage *reply;
 239         DBusMessageIter array, dict, entry;
 240         const char *str;
 241
 242         DBG("conn %p", conn);
 243
 244         reply = dbus_message_new_method_return(msg);
 245         if (reply == NULL)
 246                 return NULL;
 247
 248         dbus_message_iter_init_append(reply, &array);
 249
 250         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 251                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 252                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 253                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 254
 255         str = type2description(device->type);
 256         if (str != NULL && device->interface != NULL) {
 257                 char *name = g_strdup_printf("%s (%s)", str, device->interface);
 258                 if (name != NULL)
 259                         connman_dbus_dict_append_variant(&dict, "Name",
 260                                                 DBUS_TYPE_STRING, &name);
 261                 g_free(name);
 262         }
 263
 264         str = type2string(device->type);
 265         if (str != NULL)
 266                 connman_dbus_dict_append_variant(&dict, "Type",
 267                                                 DBUS_TYPE_STRING, &str);
 268
 269         if (device->interface != NULL)
 270                 connman_dbus_dict_append_variant(&dict, "Interface",
 271                                         DBUS_TYPE_STRING, &device->interface);
 272
 273         str = policy2string(device->policy);
 274         if (str != NULL)
 275                 connman_dbus_dict_append_variant(&dict, "Policy",
 276                                                 DBUS_TYPE_STRING, &str);
 277
 278         connman_dbus_dict_append_variant(&dict, "Powered",
 279                                         DBUS_TYPE_BOOLEAN, &device->powered);
 280
 281         if (device->driver && device->driver->scan)
 282                 connman_dbus_dict_append_variant(&dict, "Scanning",
 283                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 284
 285         switch (device->mode) {
 286         case CONNMAN_DEVICE_MODE_UNKNOWN:
 287         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 288                 break;
 289         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 290         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 291                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 292                                                                 NULL, &entry);
 293                 append_networks(device, &entry);
 294                 dbus_message_iter_close_container(&dict, &entry);
 295                 break;
 296         }
 297
 298         dbus_message_iter_close_container(&array, &dict);
 299
 300         return reply;
 301 }
 302
 303 static DBusMessage *set_property(DBusConnection *conn,
 304                                         DBusMessage *msg, void *data)
 305 {
 306         struct connman_device *device = data;
 307         DBusMessageIter iter, value;
 308         const char *name;
 309
 310         DBG("conn %p", conn);
 311
 312         if (dbus_message_iter_init(msg, &iter) == FALSE)
 313                 return __connman_error_invalid_arguments(msg);
 314
 315         dbus_message_iter_get_basic(&iter, &name);
 316         dbus_message_iter_next(&iter);
 317         dbus_message_iter_recurse(&iter, &value);
 318
 319         if (__connman_security_check_privileges(msg) < 0)
 320                 return __connman_error_permission_denied(msg);
 321
 322         if (g_str_equal(name, "Powered") == TRUE) {
 323                 gboolean powered;
 324                 int err;
 325
 326                 dbus_message_iter_get_basic(&value, &powered);
 327
 328                 if (device->powered == powered)
 329                         return __connman_error_invalid_arguments(msg);
 330
 331                 err = set_powered(device, powered);
 332                 if (err < 0 && err != -EINPROGRESS)
 333                         return __connman_error_failed(msg);
 334         } else if (g_str_equal(name, "Policy") == TRUE) {
 335                 enum connman_device_policy policy;
 336                 const char *str;
 337                 int err;
 338
 339                 dbus_message_iter_get_basic(&value, &str);
 340                 policy = string2policy(str);
 341                 if (policy == CONNMAN_DEVICE_POLICY_UNKNOWN)
 342                         return __connman_error_invalid_arguments(msg);
 343
 344                 err = set_policy(conn, device, policy);
 345                 if (err < 0)
 346                         return __connman_error_failed(msg);
 347         }
 348
 349         __connman_element_store(&device->element);
 350
 351         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 352 }
 353
 354 static DBusMessage *create_network(DBusConnection *conn,
 355                                         DBusMessage *msg, void *data)
 356 {
 357         DBG("conn %p", conn);
 358
 359         if (__connman_security_check_privileges(msg) < 0)
 360                 return __connman_error_permission_denied(msg);
 361
 362         return __connman_error_invalid_arguments(msg);
 363 }
 364
 365 static DBusMessage *remove_network(DBusConnection *conn,
 366                                         DBusMessage *msg, void *data)
 367 {
 368         DBG("conn %p", conn);
 369
 370         if (__connman_security_check_privileges(msg) < 0)
 371                 return __connman_error_permission_denied(msg);
 372
 373         return __connman_error_invalid_arguments(msg);
 374 }
 375
 376 static DBusMessage *propose_scan(DBusConnection *conn,
 377                                         DBusMessage *msg, void *data)
 378 {
 379         struct connman_device *device = data;
 380         int err;
 381
 382         DBG("conn %p", conn);
 383
 384         switch (device->mode) {
 385         case CONNMAN_DEVICE_MODE_UNKNOWN:
 386         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 387                 return __connman_error_not_supported(msg);
 388         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 389         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 390                 break;
 391         }
 392
 393         if (!device->driver || !device->driver->scan)
 394                 return __connman_error_not_supported(msg);
 395
 396         err = device->driver->scan(device);
 397         if (err < 0)
 398                 return __connman_error_failed(msg);
 399
 400         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 401 }
 402
 403 static GDBusMethodTable device_methods[] = {
 404         { "GetProperties", "",      "a{sv}", get_properties },
 405         { "SetProperty",   "sv",    "",      set_property   },
 406         { "CreateNetwork", "a{sv}", "o",     create_network },
 407         { "RemoveNetwork", "o",     "",      remove_network },
 408         { "ProposeScan",   "",      "",      propose_scan   },
 409         { },
 410 };
 411
 412 static GDBusSignalTable device_signals[] = {
 413         { "PropertyChanged", "sv" },
 414         { },
 415 };
 416
 417 static DBusConnection *connection;
 418
 419 static void append_devices(DBusMessageIter *entry)
 420 {
 421         DBusMessageIter value, iter;
 422         const char *key = "Devices";
 423
 424         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 425
 426         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 427                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 428                                                                 &value);
 429
 430         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 431                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 432         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 433         dbus_message_iter_close_container(&value, &iter);
 434
 435         dbus_message_iter_close_container(entry, &value);
 436 }
 437
 438 static void emit_devices_signal(void)
 439 {
 440         DBusMessage *signal;
 441         DBusMessageIter entry;
 442
 443         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 444                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 445         if (signal == NULL)
 446                 return;
 447
 448         dbus_message_iter_init_append(signal, &entry);
 449
 450         append_devices(&entry);
 451
 452         g_dbus_send_message(connection, signal);
 453 }
 454
 455 static int register_interface(struct connman_element *element)
 456 {
 457         struct connman_device *device = element->device;
 458
 459         DBG("element %p name %s", element, element->name);
 460
 461         if (g_dbus_register_interface(connection, element->path,
 462                                         CONNMAN_DEVICE_INTERFACE,
 463                                         device_methods, device_signals,
 464                                         NULL, device, NULL) == FALSE) {
 465                 connman_error("Failed to register %s device", element->path);
 466                 return -EIO;
 467         }
 468
 469         device->registered = TRUE;
 470
 471         emit_devices_signal();
 472
 473         return 0;
 474 }
 475
 476 static void unregister_interface(struct connman_element *element)
 477 {
 478         struct connman_device *device = element->device;
 479
 480         DBG("element %p name %s", element, element->name);
 481
 482         device->registered = FALSE;
 483
 484         emit_devices_signal();
 485
 486         g_dbus_unregister_interface(connection, element->path,
 487                                                 CONNMAN_DEVICE_INTERFACE);
 488 }
 489
 490 static void device_enable(struct connman_device *device)
 491 {
 492         DBG("device %p", device);
 493
 494         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE ||
 495                                 device->policy == CONNMAN_DEVICE_POLICY_OFF)
 496                 return;
 497
 498         if (device->powered == TRUE)
 499                 return;
 500
 501         if (device->driver->enable)
 502                 device->driver->enable(device);
 503 }
 504
 505 static void device_disable(struct connman_device *device)
 506 {
 507         DBG("device %p", device);
 508
 509         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE)
 510                 return;
 511
 512         if (device->powered == FALSE)
 513                 return;
 514
 515         g_hash_table_remove_all(device->networks);
 516
 517         if (device->driver->disable)
 518                 device->driver->disable(device);
 519 }
 520
 521 static int setup_device(struct connman_device *device)
 522 {
 523         int err;
 524
 525         DBG("device %p", device);
 526
 527         err = register_interface(&device->element);
 528         if (err < 0) {
 529                 if (device->driver->remove)
 530                         device->driver->remove(device);
 531                 device->driver = NULL;
 532                 return err;
 533         }
 534
 535         device_enable(device);
 536
 537         return 0;
 538 }
 539
 540 static void probe_driver(struct connman_element *element, gpointer user_data)
 541 {
 542         struct connman_device_driver *driver = user_data;
 543
 544         DBG("element %p name %s", element, element->name);
 545
 546         if (element->device == NULL)
 547                 return;
 548
 549         if (driver->probe(element->device) < 0)
 550                 return;
 551
 552         element->device->driver = driver;
 553
 554         setup_device(element->device);
 555 }
 556
 557 static void remove_device(struct connman_device *device)
 558 {
 559         DBG("device %p", device);
 560
 561         device_disable(device);
 562
 563         unregister_interface(&device->element);
 564
 565         if (device->driver->remove)
 566                 device->driver->remove(device);
 567
 568         device->driver = NULL;
 569 }
 570
 571 static void remove_driver(struct connman_element *element, gpointer user_data)
 572 {
 573         struct connman_device_driver *driver = user_data;
 574
 575         DBG("element %p name %s", element, element->name);
 576
 577         if (element->device == NULL)
 578                 return;
 579
 580         if (element->device->driver == driver)
 581                 remove_device(element->device);
 582 }
 583
 584 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 585 {
 586         if (device->driver == NULL)
 587                 return FALSE;
 588
 589         return device->registered;
 590 }
 591
 592 static GSList *driver_list = NULL;
 593
 594 static gint compare_priority(gconstpointer a, gconstpointer b)
 595 {
 596         const struct connman_device_driver *driver1 = a;
 597         const struct connman_device_driver *driver2 = b;
 598
 599         return driver2->priority - driver1->priority;
 600 }
 601
 602 /**
 603  * connman_device_driver_register:
 604  * @driver: device driver definition
 605  *
 606  * Register a new device driver
 607  *
 608  * Returns: %0 on success
 609  */
 610 int connman_device_driver_register(struct connman_device_driver *driver)
 611 {
 612         DBG("driver %p name %s", driver, driver->name);
 613
 614         driver_list = g_slist_insert_sorted(driver_list, driver,
 615                                                         compare_priority);
 616
 617         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 618                                                 probe_driver, driver);
 619
 620         return 0;
 621 }
 622
 623 /**
 624  * connman_device_driver_unregister:
 625  * @driver: device driver definition
 626  *
 627  * Remove a previously registered device driver
 628  */
 629 void connman_device_driver_unregister(struct connman_device_driver *driver)
 630 {
 631         DBG("driver %p name %s", driver, driver->name);
 632
 633         driver_list = g_slist_remove(driver_list, driver);
 634
 635         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 636                                                 remove_driver, driver);
 637 }
 638
 639 static void unregister_network(gpointer data)
 640 {
 641         struct connman_network *network = data;
 642
 643         DBG("network %p", network);
 644
 645         connman_element_unregister((struct connman_element *) network);
 646
 647         connman_network_unref(network);
 648 }
 649
 650 static void device_destruct(struct connman_element *element)
 651 {
 652         struct connman_device *device = element->device;
 653
 654         DBG("element %p name %s", element, element->name);
 655
 656         g_free(device->path);
 657         g_free(device->interface);
 658
 659         g_hash_table_destroy(device->networks);
 660         device->networks = NULL;
 661 }
 662
 663 /**
 664  * connman_device_create:
 665  * @node: device node name (for example an address)
 666  * @type: device type
 667  *
 668  * Allocate a new device of given #type and assign the #node name to it.
 669  *
 670  * Returns: a newly-allocated #connman_device structure
 671  */
 672 struct connman_device *connman_device_create(const char *node,
 673                                                 enum connman_device_type type)
 674 {
 675         struct connman_device *device;
 676
 677         DBG("node %s type %d", node, type);
 678
 679         device = g_try_new0(struct connman_device, 1);
 680         if (device == NULL)
 681                 return NULL;
 682
 683         DBG("device %p", device);
 684
 685         device->element.refcount = 1;
 686
 687         device->element.name = g_strdup(node);
 688         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 689         device->element.index = -1;
 690
 691         switch (type) {
 692         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 693         case CONNMAN_DEVICE_TYPE_VENDOR:
 694         case CONNMAN_DEVICE_TYPE_WIFI:
 695         case CONNMAN_DEVICE_TYPE_WIMAX:
 696         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 697         case CONNMAN_DEVICE_TYPE_HSO:
 698         case CONNMAN_DEVICE_TYPE_NOZOMI:
 699         case CONNMAN_DEVICE_TYPE_HUAWEI:
 700         case CONNMAN_DEVICE_TYPE_NOVATEL:
 701                 device->element.subtype = CONNMAN_ELEMENT_SUBTYPE_UNKNOWN;
 702                 break;
 703         case CONNMAN_DEVICE_TYPE_ETHERNET:
 704                 device->element.subtype = CONNMAN_ELEMENT_SUBTYPE_ETHERNET;
 705                 break;
 706         }
 707
 708         device->element.device = device;
 709         device->element.destruct = device_destruct;
 710
 711         device->type   = type;
 712         device->mode   = CONNMAN_DEVICE_MODE_UNKNOWN;
 713         device->policy = CONNMAN_DEVICE_POLICY_AUTO;
 714
 715         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 716                                                 g_free, unregister_network);
 717
 718         return device;
 719 }
 720
 721 /**
 722  * connman_device_ref:
 723  * @device: device structure
 724  *
 725  * Increase reference counter of device
 726  */
 727 struct connman_device *connman_device_ref(struct connman_device *device)
 728 {
 729         if (connman_element_ref(&device->element) == NULL)
 730                 return NULL;
 731
 732         return device;
 733 }
 734
 735 /**
 736  * connman_device_unref:
 737  * @device: device structure
 738  *
 739  * Decrease reference counter of device
 740  */
 741 void connman_device_unref(struct connman_device *device)
 742 {
 743         connman_element_unref(&device->element);
 744 }
 745
 746 /**
 747  * connman_device_set_path:
 748  * @device: device structure
 749  * @path: path name
 750  *
 751  * Set path name of device
 752  */
 753 void connman_device_set_path(struct connman_device *device, const char *path)
 754 {
 755         g_free(device->element.devpath);
 756         device->element.devpath = g_strdup(path);
 757
 758         g_free(device->path);
 759         device->path = g_strdup(path);
 760 }
 761
 762 /**
 763  * connman_device_get_path:
 764  * @device: device structure
 765  *
 766  * Get path name of device
 767  */
 768 const char *connman_device_get_path(struct connman_device *device)
 769 {
 770         return device->path;
 771 }
 772
 773 /**
 774  * connman_device_set_index:
 775  * @device: device structure
 776  * @index: index number
 777  *
 778  * Set index number of device
 779  */
 780 void connman_device_set_index(struct connman_device *device, int index)
 781 {
 782         device->element.index = index;
 783 }
 784
 785 /**
 786  * connman_device_get_index:
 787  * @device: device structure
 788  *
 789  * Get index number of device
 790  */
 791 int connman_device_get_index(struct connman_device *device)
 792 {
 793         return device->element.index;
 794 }
 795
 796 /**
 797  * connman_device_set_interface:
 798  * @device: device structure
 799  * @interface: interface name
 800  *
 801  * Set interface name of device
 802  */
 803 void connman_device_set_interface(struct connman_device *device,
 804                                                         const char *interface)
 805 {
 806         g_free(device->element.devname);
 807         device->element.devname = g_strdup(interface);
 808
 809         g_free(device->interface);
 810         device->interface = g_strdup(interface);
 811 }
 812
 813 /**
 814  * connman_device_get_interface:
 815  * @device: device structure
 816  *
 817  * Get interface name of device
 818  */
 819 const char *connman_device_get_interface(struct connman_device *device)
 820 {
 821         return device->interface;
 822 }
 823
 824 /**
 825  * connman_device_set_policy:
 826  * @device: device structure
 827  * @policy: power and connection policy
 828  *
 829  * Change power and connection policy of device
 830  */
 831 void connman_device_set_policy(struct connman_device *device,
 832                                         enum connman_device_policy policy)
 833 {
 834         device->policy = policy;
 835 }
 836
 837 /**
 838  * connman_device_set_mode:
 839  * @device: device structure
 840  * @mode: network mode
 841  *
 842  * Change network mode of device
 843  */
 844 void connman_device_set_mode(struct connman_device *device,
 845                                                 enum connman_device_mode mode)
 846 {
 847         device->mode = mode;
 848 }
 849
 850 /**
 851  * connman_device_set_powered:
 852  * @device: device structure
 853  * @powered: powered state
 854  *
 855  * Change power state of device
 856  */
 857 int connman_device_set_powered(struct connman_device *device,
 858                                                 connman_bool_t powered)
 859 {
 860         DBusMessage *signal;
 861         DBusMessageIter entry, value;
 862         const char *key = "Powered";
 863
 864         DBG("driver %p powered %d", device, powered);
 865
 866         if (device->powered == powered)
 867                 return -EALREADY;
 868
 869         device->powered = powered;
 870
 871         signal = dbus_message_new_signal(device->element.path,
 872                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 873         if (signal == NULL)
 874                 return 0;
 875
 876         dbus_message_iter_init_append(signal, &entry);
 877
 878         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 879
 880         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 881                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 882         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &powered);
 883         dbus_message_iter_close_container(&entry, &value);
 884
 885         g_dbus_send_message(connection, signal);
 886
 887         return 0;
 888 }
 889
 890 /**
 891  * connman_device_set_carrier:
 892  * @device: device structure
 893  * @carrier: carrier state
 894  *
 895  * Change carrier state of device (only for device without scanning)
 896  */
 897 int connman_device_set_carrier(struct connman_device *device,
 898                                                 connman_bool_t carrier)
 899 {
 900         DBG("driver %p carrier %d", device, carrier);
 901
 902         switch (device->mode) {
 903         case CONNMAN_DEVICE_MODE_UNKNOWN:
 904         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 905         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 906                 return -EINVAL;
 907         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 908                 break;
 909         }
 910
 911         if (device->carrier == carrier)
 912                 return -EALREADY;
 913
 914         device->carrier = carrier;
 915
 916         if (carrier == TRUE) {
 917                 struct connman_element *element;
 918
 919                 element = connman_element_create(NULL);
 920                 if (element != NULL) {
 921                         element->type    = CONNMAN_ELEMENT_TYPE_DHCP;
 922                         element->subtype = device->element.subtype;
 923                         element->index   = device->element.index;
 924
 925                         if (connman_element_register(element,
 926                                                         &device->element) < 0)
 927                                 connman_element_unref(element);
 928                 }
 929         } else
 930                 connman_element_unregister_children(&device->element);
 931
 932         return 0;
 933 }
 934
 935 /**
 936  * connman_device_set_scanning:
 937  * @device: device structure
 938  * @scanning: scanning state
 939  *
 940  * Change scanning state of device
 941  */
 942 int connman_device_set_scanning(struct connman_device *device,
 943                                                 connman_bool_t scanning)
 944 {
 945         DBusMessage *signal;
 946         DBusMessageIter entry, value;
 947         const char *key = "Scanning";
 948
 949         DBG("driver %p scanning %d", device, scanning);
 950
 951         if (!device->driver || !device->driver->scan)
 952                 return -EINVAL;
 953
 954         if (device->scanning == scanning)
 955                 return -EALREADY;
 956
 957         device->scanning = scanning;
 958
 959         signal = dbus_message_new_signal(device->element.path,
 960                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 961         if (signal == NULL)
 962                 return 0;
 963
 964         dbus_message_iter_init_append(signal, &entry);
 965
 966         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 967
 968         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 969                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 970         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
 971         dbus_message_iter_close_container(&entry, &value);
 972
 973         g_dbus_send_message(connection, signal);
 974
 975         return 0;
 976 }
 977
 978 /**
 979  * connman_device_add_network:
 980  * @device: device structure
 981  * @network: network structure
 982  *
 983  * Add new network to the device
 984  */
 985 int connman_device_add_network(struct connman_device *device,
 986                                         struct connman_network *network)
 987 {
 988         const char *identifier = connman_network_get_identifier(network);
 989         int err;
 990
 991         DBG("device %p network %p", device, network);
 992
 993         switch (device->mode) {
 994         case CONNMAN_DEVICE_MODE_UNKNOWN:
 995         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 996                 return -EINVAL;
 997         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 998         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 999                 break;
1000         }
1001
1002         __connman_network_set_device(network, device);
1003
1004         err = connman_element_register((struct connman_element *) network,
1005                                                         &device->element);
1006         if (err < 0) {
1007                 __connman_network_set_device(network, NULL);
1008                 return err;
1009         }
1010
1011         g_hash_table_insert(device->networks, g_strdup(identifier),
1012                                                                 network);
1013
1014         return 0;
1015 }
1016
1017 /**
1018  * connman_device_get_network:
1019  * @device: device structure
1020  * @identifier: network identifier
1021  *
1022  * Get network for given identifier
1023  */
1024 struct connman_network *connman_device_get_network(struct connman_device *device,
1025                                                         const char *identifier)
1026 {
1027         DBG("device %p identifier %s", device, identifier);
1028
1029         return g_hash_table_lookup(device->networks, identifier);
1030 }
1031
1032 /**
1033  * connman_device_remove_network:
1034  * @device: device structure
1035  * @identifier: network identifier
1036  *
1037  * Remove network for given identifier
1038  */
1039 int connman_device_remove_network(struct connman_device *device,
1040                                                         const char *identifier)
1041 {
1042         DBG("device %p identifier %s", device, identifier);
1043
1044         g_hash_table_remove(device->networks, identifier);
1045
1046         return 0;
1047 }
1048
1049 /**
1050  * connman_device_register:
1051  * @device: device structure
1052  *
1053  * Register device with the system
1054  */
1055 int connman_device_register(struct connman_device *device)
1056 {
1057         return connman_element_register(&device->element, NULL);
1058 }
1059
1060 /**
1061  * connman_device_unregister:
1062  * @device: device structure
1063  *
1064  * Unregister device with the system
1065  */
1066 void connman_device_unregister(struct connman_device *device)
1067 {
1068         connman_element_unregister(&device->element);
1069 }
1070
1071 /**
1072  * connman_device_get_data:
1073  * @device: device structure
1074  *
1075  * Get private device data pointer
1076  */
1077 void *connman_device_get_data(struct connman_device *device)
1078 {
1079         return device->driver_data;
1080 }
1081
1082 /**
1083  * connman_device_set_data:
1084  * @device: device structure
1085  * @data: data pointer
1086  *
1087  * Set private device data pointer
1088  */
1089 void connman_device_set_data(struct connman_device *device, void *data)
1090 {
1091         device->driver_data = data;
1092 }
1093
1094 static gboolean match_driver(struct connman_device *device,
1095                                         struct connman_device_driver *driver)
1096 {
1097         if (device->type == driver->type ||
1098                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1099                 return TRUE;
1100
1101         return FALSE;
1102 }
1103
1104 static int device_probe(struct connman_element *element)
1105 {
1106         struct connman_device *device = element->device;
1107         GSList *list;
1108
1109         DBG("element %p name %s", element, element->name);
1110
1111         if (device == NULL)
1112                 return -ENODEV;
1113
1114         for (list = driver_list; list; list = list->next) {
1115                 struct connman_device_driver *driver = list->data;
1116
1117                 if (match_driver(device, driver) == FALSE)
1118                         continue;
1119
1120                 DBG("driver %p name %s", driver, driver->name);
1121
1122                 if (driver->probe(device) == 0) {
1123                         device->driver = driver;
1124                         break;
1125                 }
1126         }
1127
1128         if (device->driver == NULL)
1129                 return -ENODEV;
1130
1131         return setup_device(device);
1132 }
1133
1134 static void device_remove(struct connman_element *element)
1135 {
1136         struct connman_device *device = element->device;
1137
1138         DBG("element %p name %s", element, element->name);
1139
1140         if (device == NULL)
1141                 return;
1142
1143         if (device->driver == NULL)
1144                 return;
1145
1146         remove_device(device);
1147 }
1148
1149 static struct connman_driver device_driver = {
1150         .name           = "device",
1151         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1152         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1153         .probe          = device_probe,
1154         .remove         = device_remove,
1155 };
1156
1157 static struct connman_storage device_storage = {
1158         .name           = "device",
1159         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1160 };
1161
1162 int __connman_device_init(void)
1163 {
1164         DBG("");
1165
1166         connection = connman_dbus_get_connection();
1167
1168         if (connman_storage_register(&device_storage) < 0)
1169                 connman_error("Failed to register device storage");
1170
1171         return connman_driver_register(&device_driver);
1172 }
1173
1174 void __connman_device_cleanup(void)
1175 {
1176         DBG("");
1177
1178         connman_driver_unregister(&device_driver);
1179
1180         connman_storage_unregister(&device_storage);
1181
1182         dbus_connection_unref(connection);
1183 }