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