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 <string.h>
  28
  29 #include <gdbus.h>
  30
  31 #include "connman.h"
  32
  33 static DBusConnection *connection = NULL;
  34
  35 struct connman_device {
  36         struct connman_element element;
  37         enum connman_device_type type;
  38         enum connman_device_mode mode;
  39         connman_bool_t secondary;
  40         connman_bool_t offlinemode;
  41         connman_bool_t blocked;
  42         connman_bool_t powered;
  43         connman_bool_t powered_pending;
  44         connman_bool_t powered_persistent;
  45         connman_bool_t carrier;
  46         connman_bool_t scanning;
  47         connman_bool_t disconnected;
  48         connman_uint16_t scan_interval;
  49         char *name;
  50         char *node;
  51         char *address;
  52         char *interface;
  53         char *control;
  54         char *ident;
  55         int phyindex;
  56         unsigned int connections;
  57         guint scan_timeout;
  58         struct connman_ipconfig *ipconfig;
  59
  60         struct connman_device_driver *driver;
  61         void *driver_data;
  62
  63         connman_bool_t registered;
  64
  65         char *last_network;
  66         struct connman_network *network;
  67         GHashTable *networks;
  68
  69         DBusMessage *pending;
  70         guint timeout;
  71 };
  72
  73 static gboolean device_scan_trigger(gpointer user_data)
  74 {
  75         struct connman_device *device = user_data;
  76
  77         DBG("device %p", device);
  78
  79         if (device->driver == NULL) {
  80                 device->scan_timeout = 0;
  81                 return FALSE;
  82         }
  83
  84         if (device->driver->scan)
  85                 device->driver->scan(device);
  86
  87         return TRUE;
  88 }
  89
  90 static void clear_scan_trigger(struct connman_device *device)
  91 {
  92         if (device->scan_timeout > 0) {
  93                 g_source_remove(device->scan_timeout);
  94                 device->scan_timeout = 0;
  95         }
  96 }
  97
  98 static void reset_scan_trigger(struct connman_device *device)
  99 {
 100         clear_scan_trigger(device);
 101
 102         if (device->scan_interval > 0) {
 103                 guint interval = device->scan_interval;
 104                 device->scan_timeout = g_timeout_add_seconds(interval,
 105                                         device_scan_trigger, device);
 106         }
 107 }
 108
 109 static const char *type2description(enum connman_device_type type)
 110 {
 111         switch (type) {
 112         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 113         case CONNMAN_DEVICE_TYPE_VENDOR:
 114                 break;
 115         case CONNMAN_DEVICE_TYPE_ETHERNET:
 116                 return "Ethernet";
 117         case CONNMAN_DEVICE_TYPE_WIFI:
 118                 return "Wireless";
 119         case CONNMAN_DEVICE_TYPE_WIMAX:
 120                 return "WiMAX";
 121         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 122                 return "Bluetooth";
 123         case CONNMAN_DEVICE_TYPE_GPS:
 124                 return "GPS";
 125         case CONNMAN_DEVICE_TYPE_MBM:
 126         case CONNMAN_DEVICE_TYPE_HSO:
 127         case CONNMAN_DEVICE_TYPE_NOZOMI:
 128         case CONNMAN_DEVICE_TYPE_HUAWEI:
 129         case CONNMAN_DEVICE_TYPE_NOVATEL:
 130                 return "Cellular";
 131         }
 132
 133         return NULL;
 134 }
 135
 136 static const char *type2string(enum connman_device_type type)
 137 {
 138         switch (type) {
 139         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 140         case CONNMAN_DEVICE_TYPE_VENDOR:
 141                 break;
 142         case CONNMAN_DEVICE_TYPE_ETHERNET:
 143                 return "ethernet";
 144         case CONNMAN_DEVICE_TYPE_WIFI:
 145                 return "wifi";
 146         case CONNMAN_DEVICE_TYPE_WIMAX:
 147                 return "wimax";
 148         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 149                 return "bluetooth";
 150         case CONNMAN_DEVICE_TYPE_GPS:
 151                 return "gps";
 152         case CONNMAN_DEVICE_TYPE_MBM:
 153         case CONNMAN_DEVICE_TYPE_HSO:
 154         case CONNMAN_DEVICE_TYPE_HUAWEI:
 155         case CONNMAN_DEVICE_TYPE_NOZOMI:
 156         case CONNMAN_DEVICE_TYPE_NOVATEL:
 157                 return "cellular";
 158         }
 159
 160         return NULL;
 161 }
 162
 163 enum connman_service_type __connman_device_get_service_type(struct connman_device *device)
 164 {
 165         enum connman_device_type type = connman_device_get_type(device);
 166
 167         switch (type) {
 168         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 169         case CONNMAN_DEVICE_TYPE_VENDOR:
 170         case CONNMAN_DEVICE_TYPE_GPS:
 171         case CONNMAN_DEVICE_TYPE_NOZOMI:
 172         case CONNMAN_DEVICE_TYPE_HUAWEI:
 173         case CONNMAN_DEVICE_TYPE_NOVATEL:
 174                 break;
 175         case CONNMAN_DEVICE_TYPE_ETHERNET:
 176                 return CONNMAN_SERVICE_TYPE_ETHERNET;
 177         case CONNMAN_DEVICE_TYPE_WIFI:
 178                 return CONNMAN_SERVICE_TYPE_WIFI;
 179         case CONNMAN_DEVICE_TYPE_WIMAX:
 180                 return CONNMAN_SERVICE_TYPE_WIMAX;
 181         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 182                 return CONNMAN_SERVICE_TYPE_BLUETOOTH;
 183         case CONNMAN_DEVICE_TYPE_MBM:
 184         case CONNMAN_DEVICE_TYPE_HSO:
 185                 return CONNMAN_SERVICE_TYPE_CELLULAR;
 186         }
 187
 188         return CONNMAN_SERVICE_TYPE_UNKNOWN;
 189 }
 190
 191 static int set_connected(struct connman_device *device,
 192                                                 connman_bool_t connected)
 193 {
 194         if (connected == TRUE) {
 195                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 196                 struct connman_element *element;
 197
 198                 device->disconnected = TRUE;
 199
 200                 switch (device->element.ipv4.method) {
 201                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 202                 case CONNMAN_IPCONFIG_METHOD_OFF:
 203                         return 0;
 204                 case CONNMAN_IPCONFIG_METHOD_STATIC:
 205                         type = CONNMAN_ELEMENT_TYPE_IPV4;
 206                         break;
 207                 case CONNMAN_IPCONFIG_METHOD_DHCP:
 208                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 209                         break;
 210                 }
 211
 212                 element = connman_element_create(NULL);
 213                 if (element != NULL) {
 214                         struct connman_service *service;
 215
 216                         element->type  = type;
 217                         element->index = device->element.index;
 218
 219                         if (connman_element_register(element,
 220                                                         &device->element) < 0)
 221                                 connman_element_unref(element);
 222
 223                         device->disconnected = FALSE;
 224
 225                         service = __connman_service_lookup_from_device(device);
 226                         __connman_service_indicate_state(service,
 227                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 228                 }
 229         } else {
 230                 struct connman_service *service;
 231
 232                 connman_element_unregister_children(&device->element);
 233
 234                 device->disconnected = TRUE;
 235
 236                 service = __connman_service_lookup_from_device(device);
 237                 __connman_service_indicate_state(service,
 238                                         CONNMAN_SERVICE_STATE_IDLE);
 239         }
 240
 241         if (connected == TRUE) {
 242                 enum connman_service_type type;
 243
 244                 type = __connman_device_get_service_type(device);
 245                 __connman_notifier_connect(type);
 246         } else {
 247                 enum connman_service_type type;
 248
 249                 type = __connman_device_get_service_type(device);
 250                 __connman_notifier_disconnect(type);
 251         }
 252
 253         return 0;
 254 }
 255
 256 static int set_carrier(struct connman_device *device, connman_bool_t carrier)
 257 {
 258         if (carrier == TRUE)
 259                 __connman_profile_add_device(device);
 260         else
 261                 __connman_profile_remove_device(device);
 262
 263         return set_connected(device, carrier);
 264 }
 265
 266 static int powered_changed(struct connman_device *device)
 267 {
 268         DBusMessage *signal;
 269         DBusMessageIter entry, value;
 270         const char *key = "Powered";
 271
 272         signal = dbus_message_new_signal(device->element.path,
 273                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 274         if (signal == NULL)
 275                 return -ENOMEM;
 276
 277         dbus_message_iter_init_append(signal, &entry);
 278
 279         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 280
 281         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 282                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 283         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN,
 284                                                         &device->powered);
 285         dbus_message_iter_close_container(&entry, &value);
 286
 287         g_dbus_send_message(connection, signal);
 288
 289         return 0;
 290 }
 291
 292 static int set_powered(struct connman_device *device, connman_bool_t powered)
 293 {
 294         struct connman_device_driver *driver = device->driver;
 295         enum connman_service_type type;
 296         int err;
 297
 298         DBG("device %p powered %d", device, powered);
 299
 300         if (device->powered_pending == powered)
 301                 return -EALREADY;
 302
 303         device->powered_pending = powered;
 304
 305         if (!driver)
 306                 return -EINVAL;
 307
 308         type = __connman_device_get_service_type(device);
 309
 310         if (powered == TRUE) {
 311                 if (driver->enable) {
 312                         err = driver->enable(device);
 313                         if (err == 0)
 314                                 __connman_notifier_enable(type);
 315                 } else
 316                         err = -EINVAL;
 317         } else {
 318                 clear_scan_trigger(device);
 319
 320                 g_hash_table_remove_all(device->networks);
 321
 322                 set_carrier(device, FALSE);
 323
 324                 if (driver->disable) {
 325                         err = driver->disable(device);
 326                         if (err == 0)
 327                                 __connman_notifier_disable(type);
 328                 } else
 329                         err = -EINVAL;
 330         }
 331
 332         if (err == 0) {
 333                 device->powered = powered;
 334                 powered_changed(device);
 335         }
 336
 337         return err;
 338 }
 339
 340 static void append_path(gpointer key, gpointer value, gpointer user_data)
 341 {
 342         struct connman_element *element = value;
 343         DBusMessageIter *iter = user_data;
 344
 345         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 346                                                         &element->path);
 347 }
 348
 349 static void append_networks(struct connman_device *device,
 350                                                 DBusMessageIter *entry)
 351 {
 352         DBusMessageIter value, iter;
 353         const char *key = "Networks";
 354
 355         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 356
 357         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 358                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 359                                                                 &value);
 360
 361         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 362                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 363         g_hash_table_foreach(device->networks, append_path, &iter);
 364         dbus_message_iter_close_container(&value, &iter);
 365
 366         dbus_message_iter_close_container(entry, &value);
 367 }
 368
 369 static DBusMessage *get_properties(DBusConnection *conn,
 370                                         DBusMessage *msg, void *data)
 371 {
 372         struct connman_device *device = data;
 373         DBusMessage *reply;
 374         DBusMessageIter array, dict, entry;
 375         const char *str;
 376
 377         DBG("conn %p", conn);
 378
 379         if (__connman_security_check_privilege(msg,
 380                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 381                 return __connman_error_permission_denied(msg);
 382
 383         reply = dbus_message_new_method_return(msg);
 384         if (reply == NULL)
 385                 return NULL;
 386
 387         dbus_message_iter_init_append(reply, &array);
 388
 389         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 390                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 391                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 392                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 393
 394         if (device->name != NULL)
 395                 connman_dbus_dict_append_variant(&dict, "Name",
 396                                         DBUS_TYPE_STRING, &device->name);
 397
 398         str = type2string(device->type);
 399         if (str != NULL)
 400                 connman_dbus_dict_append_variant(&dict, "Type",
 401                                                 DBUS_TYPE_STRING, &str);
 402
 403         if (device->address != NULL)
 404                 connman_dbus_dict_append_variant(&dict, "Address",
 405                                         DBUS_TYPE_STRING, &device->address);
 406
 407         if (device->interface != NULL)
 408                 connman_dbus_dict_append_variant(&dict, "Interface",
 409                                         DBUS_TYPE_STRING, &device->interface);
 410
 411         connman_dbus_dict_append_variant(&dict, "Powered",
 412                                         DBUS_TYPE_BOOLEAN, &device->powered);
 413
 414         if (device->driver && device->driver->scan)
 415                 connman_dbus_dict_append_variant(&dict, "Scanning",
 416                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 417
 418         switch (device->mode) {
 419         case CONNMAN_DEVICE_MODE_UNKNOWN:
 420                 break;
 421         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 422                 __connman_element_append_ipv4(&device->element, &dict);
 423                 break;
 424         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 425         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 426                 if (device->scan_interval > 0)
 427                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 428                                 DBUS_TYPE_UINT16, &device->scan_interval);
 429
 430                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 431                                                                 NULL, &entry);
 432                 append_networks(device, &entry);
 433                 dbus_message_iter_close_container(&dict, &entry);
 434                 break;
 435         }
 436
 437         dbus_message_iter_close_container(&array, &dict);
 438
 439         return reply;
 440 }
 441
 442 static gboolean powered_timeout(gpointer user_data)
 443 {
 444         struct connman_device *device = user_data;
 445
 446         DBG("device %p", device);
 447
 448         device->timeout = 0;
 449
 450         if (device->pending != NULL) {
 451                 DBusMessage *reply;
 452
 453                 reply = __connman_error_operation_timeout(device->pending);
 454                 if (reply != NULL)
 455                         g_dbus_send_message(connection, reply);
 456
 457                 dbus_message_unref(device->pending);
 458                 device->pending = NULL;
 459         }
 460
 461         return FALSE;
 462 }
 463
 464 static DBusMessage *set_property(DBusConnection *conn,
 465                                         DBusMessage *msg, void *data)
 466 {
 467         struct connman_device *device = data;
 468         DBusMessageIter iter, value;
 469         const char *name;
 470         int type;
 471
 472         DBG("conn %p", conn);
 473
 474         if (dbus_message_iter_init(msg, &iter) == FALSE)
 475                 return __connman_error_invalid_arguments(msg);
 476
 477         dbus_message_iter_get_basic(&iter, &name);
 478         dbus_message_iter_next(&iter);
 479         dbus_message_iter_recurse(&iter, &value);
 480
 481         if (__connman_security_check_privilege(msg,
 482                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 483                 return __connman_error_permission_denied(msg);
 484
 485         type = dbus_message_iter_get_arg_type(&value);
 486
 487         if (g_str_equal(name, "Powered") == TRUE) {
 488                 connman_bool_t powered;
 489                 int err;
 490
 491                 if (type != DBUS_TYPE_BOOLEAN)
 492                         return __connman_error_invalid_arguments(msg);
 493
 494                 dbus_message_iter_get_basic(&value, &powered);
 495
 496                 device->powered_persistent = powered;
 497
 498                 __connman_storage_save_device(device);
 499
 500                 if (device->powered == powered)
 501                         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 502
 503                 if (device->pending != NULL)
 504                         return __connman_error_in_progress(msg);
 505
 506                 err = set_powered(device, powered);
 507                 if (err < 0) {
 508                         if (err != -EINPROGRESS)
 509                                 return __connman_error_failed(msg, -err);
 510
 511                         device->pending = dbus_message_ref(msg);
 512
 513                         device->timeout = g_timeout_add_seconds(15,
 514                                                 powered_timeout, device);
 515
 516                         return NULL;
 517                 }
 518         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 519                 connman_uint16_t interval;
 520
 521                 switch (device->mode) {
 522                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 523                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 524                         return __connman_error_invalid_arguments(msg);
 525                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 526                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 527                         break;
 528                 }
 529
 530                 if (type != DBUS_TYPE_UINT16)
 531                         return __connman_error_invalid_arguments(msg);
 532
 533                 dbus_message_iter_get_basic(&value, &interval);
 534
 535                 if (device->scan_interval != interval) {
 536                         device->scan_interval = interval;
 537
 538                         __connman_storage_save_device(device);
 539
 540                         reset_scan_trigger(device);
 541                 }
 542         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 543                 int err;
 544
 545                 switch (device->mode) {
 546                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 547                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 548                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 549                         return __connman_error_invalid_arguments(msg);
 550                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 551                         break;
 552                 }
 553
 554                 err = __connman_ipconfig_set_ipv4(device->ipconfig,
 555                                                         name + 5, &value);
 556                 if (err < 0)
 557                         return __connman_error_failed(msg, -err);
 558         } else
 559                 return __connman_error_invalid_property(msg);
 560
 561         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 562 }
 563
 564 static DBusMessage *propose_scan(DBusConnection *conn,
 565                                         DBusMessage *msg, void *data)
 566 {
 567         struct connman_device *device = data;
 568         int err;
 569
 570         DBG("conn %p", conn);
 571
 572         switch (device->mode) {
 573         case CONNMAN_DEVICE_MODE_UNKNOWN:
 574         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 575                 return __connman_error_not_supported(msg);
 576         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 577         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 578                 break;
 579         }
 580
 581         err = __connman_device_scan(device);
 582         if (err < 0)
 583                 return __connman_error_failed(msg, -err);
 584
 585         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 586 }
 587
 588 static GDBusMethodTable device_methods[] = {
 589         { "GetProperties", "",      "a{sv}", get_properties },
 590         { "SetProperty",   "sv",    "",      set_property,
 591                                                 G_DBUS_METHOD_FLAG_ASYNC },
 592         { "ProposeScan",   "",      "",      propose_scan   },
 593         { },
 594 };
 595
 596 static GDBusSignalTable device_signals[] = {
 597         { "PropertyChanged", "sv" },
 598         { },
 599 };
 600
 601 static void append_devices(DBusMessageIter *entry)
 602 {
 603         DBusMessageIter value, iter;
 604         const char *key = "Devices";
 605
 606         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 607
 608         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 609                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 610                                                                 &value);
 611
 612         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 613                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 614         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 615         dbus_message_iter_close_container(&value, &iter);
 616
 617         dbus_message_iter_close_container(entry, &value);
 618 }
 619
 620 static void emit_devices_signal(void)
 621 {
 622         DBusMessage *signal;
 623         DBusMessageIter entry;
 624
 625         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 626                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 627         if (signal == NULL)
 628                 return;
 629
 630         dbus_message_iter_init_append(signal, &entry);
 631
 632         append_devices(&entry);
 633
 634         g_dbus_send_message(connection, signal);
 635 }
 636
 637 static int register_interface(struct connman_element *element)
 638 {
 639         struct connman_device *device = element->device;
 640
 641         DBG("element %p name %s", element, element->name);
 642
 643         if (g_dbus_register_interface(connection, element->path,
 644                                         CONNMAN_DEVICE_INTERFACE,
 645                                         device_methods, device_signals,
 646                                         NULL, device, NULL) == FALSE) {
 647                 connman_error("Failed to register %s device", element->path);
 648                 return -EIO;
 649         }
 650
 651         device->registered = TRUE;
 652
 653         emit_devices_signal();
 654
 655         return 0;
 656 }
 657
 658 static void unregister_interface(struct connman_element *element)
 659 {
 660         struct connman_device *device = element->device;
 661
 662         DBG("element %p name %s", element, element->name);
 663
 664         device->registered = FALSE;
 665
 666         emit_devices_signal();
 667
 668         g_dbus_unregister_interface(connection, element->path,
 669                                                 CONNMAN_DEVICE_INTERFACE);
 670 }
 671
 672 static int setup_device(struct connman_device *device)
 673 {
 674         int err;
 675
 676         DBG("device %p", device);
 677
 678         err = register_interface(&device->element);
 679         if (err < 0) {
 680                 if (device->driver->remove)
 681                         device->driver->remove(device);
 682                 device->driver = NULL;
 683                 return err;
 684         }
 685
 686         switch (device->mode) {
 687         case CONNMAN_DEVICE_MODE_UNKNOWN:
 688         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 689         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 690                 break;
 691         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 692                 if (device->carrier == TRUE && device->secondary == FALSE)
 693                         __connman_profile_add_device(device);
 694                 break;
 695         }
 696
 697         if (device->offlinemode == FALSE &&
 698                                 device->powered_persistent == TRUE)
 699                 __connman_device_enable(device);
 700
 701         return 0;
 702 }
 703
 704 static void probe_driver(struct connman_element *element, gpointer user_data)
 705 {
 706         struct connman_device_driver *driver = user_data;
 707
 708         DBG("element %p name %s", element, element->name);
 709
 710         if (element->device == NULL)
 711                 return;
 712
 713         if (element->device->driver != NULL)
 714                 return;
 715
 716         if (driver->type != element->device->type)
 717                 return;
 718
 719         if (driver->probe(element->device) < 0)
 720                 return;
 721
 722         element->device->driver = driver;
 723
 724         setup_device(element->device);
 725 }
 726
 727 static void remove_device(struct connman_device *device)
 728 {
 729         DBG("device %p", device);
 730
 731         __connman_device_disable(device);
 732
 733         switch (device->mode) {
 734         case CONNMAN_DEVICE_MODE_UNKNOWN:
 735         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 736         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 737                 break;
 738         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 739                 if (device->secondary == FALSE)
 740                         __connman_profile_remove_device(device);
 741                 break;
 742         }
 743
 744         unregister_interface(&device->element);
 745
 746         if (device->driver->remove)
 747                 device->driver->remove(device);
 748
 749         device->driver = NULL;
 750 }
 751
 752 static void remove_driver(struct connman_element *element, gpointer user_data)
 753 {
 754         struct connman_device_driver *driver = user_data;
 755
 756         DBG("element %p name %s", element, element->name);
 757
 758         if (element->device == NULL)
 759                 return;
 760
 761         if (element->device->driver == driver)
 762                 remove_device(element->device);
 763 }
 764
 765 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 766 {
 767         if (device == NULL || device->driver == NULL)
 768                 return FALSE;
 769
 770         return device->registered;
 771 }
 772
 773 static GSList *driver_list = NULL;
 774
 775 static gint compare_priority(gconstpointer a, gconstpointer b)
 776 {
 777         const struct connman_device_driver *driver1 = a;
 778         const struct connman_device_driver *driver2 = b;
 779
 780         return driver2->priority - driver1->priority;
 781 }
 782
 783 /**
 784  * connman_device_driver_register:
 785  * @driver: device driver definition
 786  *
 787  * Register a new device driver
 788  *
 789  * Returns: %0 on success
 790  */
 791 int connman_device_driver_register(struct connman_device_driver *driver)
 792 {
 793         DBG("driver %p name %s", driver, driver->name);
 794
 795         driver_list = g_slist_insert_sorted(driver_list, driver,
 796                                                         compare_priority);
 797
 798         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 799                                                 probe_driver, driver);
 800
 801         return 0;
 802 }
 803
 804 /**
 805  * connman_device_driver_unregister:
 806  * @driver: device driver definition
 807  *
 808  * Remove a previously registered device driver
 809  */
 810 void connman_device_driver_unregister(struct connman_device_driver *driver)
 811 {
 812         DBG("driver %p name %s", driver, driver->name);
 813
 814         driver_list = g_slist_remove(driver_list, driver);
 815
 816         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 817                                                 remove_driver, driver);
 818 }
 819
 820 static void unregister_network(gpointer data)
 821 {
 822         struct connman_network *network = data;
 823
 824         DBG("network %p", network);
 825
 826         connman_element_unregister((struct connman_element *) network);
 827
 828         connman_network_unref(network);
 829 }
 830
 831 static void device_destruct(struct connman_element *element)
 832 {
 833         struct connman_device *device = element->device;
 834
 835         DBG("element %p name %s", element, element->name);
 836
 837         if (device->timeout > 0) {
 838                 g_source_remove(device->timeout);
 839                 device->timeout = 0;
 840         }
 841
 842         if (device->pending != NULL) {
 843                 dbus_message_unref(device->pending);
 844                 device->pending = NULL;
 845         }
 846
 847         g_free(device->ident);
 848         g_free(device->node);
 849         g_free(device->name);
 850         g_free(device->address);
 851         g_free(device->control);
 852         g_free(device->interface);
 853
 854         connman_ipconfig_unref(device->ipconfig);
 855
 856         g_free(device->last_network);
 857
 858         g_hash_table_destroy(device->networks);
 859         device->networks = NULL;
 860 }
 861
 862 /**
 863  * connman_device_create:
 864  * @node: device node name (for example an address)
 865  * @type: device type
 866  *
 867  * Allocate a new device of given #type and assign the #node name to it.
 868  *
 869  * Returns: a newly-allocated #connman_device structure
 870  */
 871 struct connman_device *connman_device_create(const char *node,
 872                                                 enum connman_device_type type)
 873 {
 874         struct connman_device *device;
 875         const char *str;
 876
 877         DBG("node %s type %d", node, type);
 878
 879         device = g_try_new0(struct connman_device, 1);
 880         if (device == NULL)
 881                 return NULL;
 882
 883         DBG("device %p", device);
 884
 885         __connman_element_initialize(&device->element);
 886
 887         device->element.name = g_strdup(node);
 888         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 889
 890         device->element.device = device;
 891         device->element.destruct = device_destruct;
 892
 893         str = type2string(type);
 894         if (str != NULL)
 895                 connman_element_set_string(&device->element,
 896                                         CONNMAN_PROPERTY_ID_TYPE, str);
 897
 898         device->element.ipv4.method = CONNMAN_IPCONFIG_METHOD_DHCP;
 899
 900         device->type      = type;
 901         device->name      = g_strdup(type2description(device->type));
 902         device->mode      = CONNMAN_DEVICE_MODE_UNKNOWN;
 903         device->secondary = FALSE;
 904
 905         device->powered_persistent = TRUE;
 906
 907         device->phyindex = -1;
 908
 909         switch (type) {
 910         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 911         case CONNMAN_DEVICE_TYPE_VENDOR:
 912                 device->scan_interval = 0;
 913                 break;
 914         case CONNMAN_DEVICE_TYPE_ETHERNET:
 915         case CONNMAN_DEVICE_TYPE_WIFI:
 916                 device->scan_interval = 300;
 917                 break;
 918         case CONNMAN_DEVICE_TYPE_WIMAX:
 919                 device->scan_interval = 0;
 920                 break;
 921         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 922                 device->scan_interval = 0;
 923                 break;
 924         case CONNMAN_DEVICE_TYPE_GPS:
 925                 device->scan_interval = 0;
 926                 break;
 927         case CONNMAN_DEVICE_TYPE_MBM:
 928         case CONNMAN_DEVICE_TYPE_HSO:
 929         case CONNMAN_DEVICE_TYPE_NOZOMI:
 930         case CONNMAN_DEVICE_TYPE_HUAWEI:
 931         case CONNMAN_DEVICE_TYPE_NOVATEL:
 932                 device->scan_interval = 0;
 933                 break;
 934         }
 935
 936         device->ipconfig = connman_ipconfig_create();
 937         if (device->ipconfig == NULL) {
 938                 connman_device_unref(device);
 939                 return NULL;
 940         }
 941
 942         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 943                                                 g_free, unregister_network);
 944
 945         return device;
 946 }
 947
 948 /**
 949  * connman_device_ref:
 950  * @device: device structure
 951  *
 952  * Increase reference counter of device
 953  */
 954 struct connman_device *connman_device_ref(struct connman_device *device)
 955 {
 956         if (connman_element_ref(&device->element) == NULL)
 957                 return NULL;
 958
 959         return device;
 960 }
 961
 962 /**
 963  * connman_device_unref:
 964  * @device: device structure
 965  *
 966  * Decrease reference counter of device
 967  */
 968 void connman_device_unref(struct connman_device *device)
 969 {
 970         connman_element_unref(&device->element);
 971 }
 972
 973 const char *__connman_device_get_type(struct connman_device *device)
 974 {
 975         return type2string(device->type);
 976 }
 977
 978 /**
 979  * connman_device_get_type:
 980  * @device: device structure
 981  *
 982  * Get type of device
 983  */
 984 enum connman_device_type connman_device_get_type(struct connman_device *device)
 985 {
 986         return device->type;
 987 }
 988
 989 /**
 990  * connman_device_get_name:
 991  * @device: device structure
 992  *
 993  * Get unique name of device
 994  */
 995 const char *connman_device_get_name(struct connman_device *device)
 996 {
 997         return device->element.name;
 998 }
 999
1000 /**
1001  * connman_device_get_path:
1002  * @device: device structure
1003  *
1004  * Get path name of device
1005  */
1006 const char *connman_device_get_path(struct connman_device *device)
1007 {
1008         return device->element.path;
1009 }
1010
1011 /**
1012  * connman_device_set_index:
1013  * @device: device structure
1014  * @index: index number
1015  *
1016  * Set index number of device
1017  */
1018 void connman_device_set_index(struct connman_device *device, int index)
1019 {
1020         device->element.index = index;
1021 }
1022
1023 /**
1024  * connman_device_get_index:
1025  * @device: device structure
1026  *
1027  * Get index number of device
1028  */
1029 int connman_device_get_index(struct connman_device *device)
1030 {
1031         return device->element.index;
1032 }
1033
1034 int __connman_device_get_phyindex(struct connman_device *device)
1035 {
1036         return device->phyindex;
1037 }
1038
1039 void __connman_device_set_phyindex(struct connman_device *device,
1040                                                         int phyindex)
1041 {
1042         device->phyindex = phyindex;
1043 }
1044
1045 /**
1046  * connman_device_set_interface:
1047  * @device: device structure
1048  * @interface: interface name
1049  * @control: control interface
1050  *
1051  * Set interface name of device
1052  */
1053 void connman_device_set_interface(struct connman_device *device,
1054                                 const char *interface, const char *control)
1055 {
1056         g_free(device->element.devname);
1057         device->element.devname = g_strdup(interface);
1058
1059         g_free(device->interface);
1060         device->interface = g_strdup(interface);
1061
1062         g_free(device->control);
1063         device->control = g_strdup(control);
1064
1065         if (device->name == NULL) {
1066                 const char *str = type2description(device->type);
1067                 if (str != NULL && device->interface != NULL)
1068                         device->name = g_strdup_printf("%s (%s)", str,
1069                                                         device->interface);
1070         }
1071 }
1072
1073 const char *connman_device_get_control(struct connman_device *device)
1074 {
1075         return device->control;
1076 }
1077
1078 /**
1079  * connman_device_set_ident:
1080  * @device: device structure
1081  * @ident: unique identifier
1082  *
1083  * Set unique identifier of device
1084  */
1085 void connman_device_set_ident(struct connman_device *device,
1086                                                         const char *ident)
1087 {
1088         g_free(device->ident);
1089         device->ident = g_strdup(ident);
1090 }
1091
1092 const char *__connman_device_get_ident(struct connman_device *device)
1093 {
1094         return device->ident;
1095 }
1096
1097 /**
1098  * connman_device_set_mode:
1099  * @device: device structure
1100  * @mode: network mode
1101  *
1102  * Change network mode of device
1103  */
1104 void connman_device_set_mode(struct connman_device *device,
1105                                                 enum connman_device_mode mode)
1106 {
1107         device->mode = mode;
1108 }
1109
1110 /**
1111  * connman_device_get_mode:
1112  * @device: device structure
1113  *
1114  * Get network mode of device
1115  */
1116 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1117 {
1118         return device->mode;
1119 }
1120
1121 /**
1122  * connman_device_set_secondary:
1123  * @device: device structure
1124  * @secondary: secondary value
1125  *
1126  * Change secondary value of device
1127  */
1128 void connman_device_set_secondary(struct connman_device *device,
1129                                                 connman_bool_t secondary)
1130 {
1131         device->secondary = secondary;
1132 }
1133
1134 /**
1135  * connman_device_get_secondary:
1136  * @device: device structure
1137  *
1138  * Get secondary value of device
1139  */
1140 connman_bool_t connman_device_get_secondary(struct connman_device *device)
1141 {
1142         return device->secondary;
1143 }
1144
1145 /**
1146  * connman_device_set_powered:
1147  * @device: device structure
1148  * @powered: powered state
1149  *
1150  * Change power state of device
1151  */
1152 int connman_device_set_powered(struct connman_device *device,
1153                                                 connman_bool_t powered)
1154 {
1155         enum connman_service_type type;
1156
1157         DBG("driver %p powered %d", device, powered);
1158
1159         if (device->timeout > 0) {
1160                 g_source_remove(device->timeout);
1161                 device->timeout = 0;
1162         }
1163
1164         if (device->pending != NULL) {
1165                 g_dbus_send_reply(connection, device->pending,
1166                                                         DBUS_TYPE_INVALID);
1167
1168                 dbus_message_unref(device->pending);
1169                 device->pending = NULL;
1170         }
1171
1172         if (device->powered == powered)
1173                 return -EALREADY;
1174
1175         device->powered = powered;
1176         device->powered_pending = powered;
1177
1178         type = __connman_device_get_service_type(device);
1179
1180         if (device->powered == TRUE)
1181                 __connman_notifier_enable(type);
1182         else
1183                 __connman_notifier_disable(type);
1184
1185         if (device->registered == FALSE)
1186                 return 0;
1187
1188         powered_changed(device);
1189
1190         if (powered == FALSE)
1191                 return 0;
1192
1193         reset_scan_trigger(device);
1194
1195         if (device->driver->scan)
1196                 device->driver->scan(device);
1197
1198         return 0;
1199 }
1200
1201 int __connman_device_set_blocked(struct connman_device *device,
1202                                                 connman_bool_t blocked)
1203 {
1204         connman_bool_t powered;
1205
1206         DBG("device %p blocked %d", device, blocked);
1207
1208         device->blocked = blocked;
1209
1210         if (device->offlinemode == TRUE)
1211                 return 0;
1212
1213         if (blocked == FALSE)
1214                 powered = device->powered_persistent;
1215         else
1216                 powered = FALSE;
1217
1218         return set_powered(device, powered);
1219 }
1220
1221 /**
1222  * connman_device_set_carrier:
1223  * @device: device structure
1224  * @carrier: carrier state
1225  *
1226  * Change carrier state of device (only for device without scanning)
1227  */
1228 int connman_device_set_carrier(struct connman_device *device,
1229                                                 connman_bool_t carrier)
1230 {
1231         DBG("device %p carrier %d", device, carrier);
1232
1233         switch (device->mode) {
1234         case CONNMAN_DEVICE_MODE_UNKNOWN:
1235         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1236         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1237                 return -EINVAL;
1238         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1239                 break;
1240         }
1241
1242         if (device->carrier == carrier)
1243                 return -EALREADY;
1244
1245         device->carrier = carrier;
1246
1247         return set_carrier(device, device->carrier);
1248 }
1249
1250 int __connman_device_scan(struct connman_device *device)
1251 {
1252         if (!device->driver || !device->driver->scan)
1253                 return -EOPNOTSUPP;
1254
1255         if (device->powered == FALSE)
1256                 return -ENOLINK;
1257
1258         return device->driver->scan(device);
1259 }
1260
1261 int __connman_device_enable(struct connman_device *device)
1262 {
1263         enum connman_service_type type;
1264         int err;
1265
1266         DBG("device %p", device);
1267
1268         if (!device->driver || !device->driver->enable)
1269                 return -EOPNOTSUPP;
1270
1271         if (device->powered_pending == TRUE)
1272                 return -EALREADY;
1273
1274         device->powered_pending = TRUE;
1275
1276         err = device->driver->enable(device);
1277         if (err < 0)
1278                 return err;
1279
1280         device->powered = TRUE;
1281
1282         type = __connman_device_get_service_type(device);
1283         __connman_notifier_enable(type);
1284
1285         return 0;
1286 }
1287
1288 int __connman_device_enable_persistent(struct connman_device *device)
1289 {
1290         DBG("device %p", device);
1291
1292         device->powered_persistent = TRUE;
1293
1294         __connman_storage_save_device(device);
1295
1296         return __connman_device_enable(device);
1297 }
1298
1299 int __connman_device_disable(struct connman_device *device)
1300 {
1301         enum connman_service_type type;
1302         int err;
1303
1304         DBG("device %p", device);
1305
1306         if (!device->driver || !device->driver->disable)
1307                 return -EOPNOTSUPP;
1308
1309         if (device->powered == FALSE)
1310                 return -ENOLINK;
1311
1312         if (device->powered_pending == FALSE)
1313                 return -EALREADY;
1314
1315         device->powered_pending = FALSE;
1316
1317         clear_scan_trigger(device);
1318
1319         g_hash_table_remove_all(device->networks);
1320
1321         err = device->driver->disable(device);
1322         if (err < 0)
1323                 return err;
1324
1325         device->powered = FALSE;
1326
1327         type = __connman_device_get_service_type(device);
1328         __connman_notifier_disable(type);
1329
1330         return 0;
1331 }
1332
1333 int __connman_device_disable_persistent(struct connman_device *device)
1334 {
1335         DBG("device %p", device);
1336
1337         device->powered_persistent = FALSE;
1338
1339         __connman_storage_save_device(device);
1340
1341         return __connman_device_disable(device);
1342 }
1343
1344 int __connman_device_connect(struct connman_device *device)
1345 {
1346         DBG("device %p", device);
1347
1348         if (device->disconnected == FALSE)
1349                 return -EINVAL;
1350
1351         if (device->driver && device->driver->connect)
1352                 device->driver->connect(device);
1353
1354         return 0;
1355 }
1356
1357 int __connman_device_disconnect(struct connman_device *device)
1358 {
1359         GHashTableIter iter;
1360         gpointer key, value;
1361
1362         DBG("device %p", device);
1363
1364         connman_device_set_disconnected(device, TRUE);
1365
1366         g_hash_table_iter_init(&iter, device->networks);
1367
1368         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1369                 struct connman_network *network = value;
1370
1371                 __connman_network_disconnect(network);
1372         }
1373
1374         if (device->driver && device->driver->disconnect)
1375                 device->driver->disconnect(device);
1376
1377         return 0;
1378 }
1379
1380 static void mark_network_unavailable(gpointer key, gpointer value,
1381                                                         gpointer user_data)
1382 {
1383         struct connman_network *network = value;
1384
1385         if (connman_network_get_connected(network) == TRUE)
1386                 return;
1387
1388         connman_network_set_available(network, FALSE);
1389 }
1390
1391 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1392                                                         gpointer user_data)
1393 {
1394         struct connman_network *network = value;
1395
1396         if (connman_network_get_connected(network) == TRUE)
1397                 return FALSE;
1398
1399         if (connman_network_get_available(network) == TRUE)
1400                 return FALSE;
1401
1402         return TRUE;
1403 }
1404
1405 void __connman_device_cleanup_networks(struct connman_device *device)
1406 {
1407         g_hash_table_foreach_remove(device->networks,
1408                                         remove_unavailable_network, NULL);
1409 }
1410
1411 /**
1412  * connman_device_set_scanning:
1413  * @device: device structure
1414  * @scanning: scanning state
1415  *
1416  * Change scanning state of device
1417  */
1418 int connman_device_set_scanning(struct connman_device *device,
1419                                                 connman_bool_t scanning)
1420 {
1421         DBusMessage *signal;
1422         DBusMessageIter entry, value;
1423         const char *key = "Scanning";
1424
1425         DBG("device %p scanning %d", device, scanning);
1426
1427         if (!device->driver || !device->driver->scan)
1428                 return -EINVAL;
1429
1430         if (device->scanning == scanning)
1431                 return -EALREADY;
1432
1433         device->scanning = scanning;
1434
1435         signal = dbus_message_new_signal(device->element.path,
1436                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1437         if (signal == NULL)
1438                 return 0;
1439
1440         dbus_message_iter_init_append(signal, &entry);
1441
1442         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1443
1444         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1445                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1446         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
1447         dbus_message_iter_close_container(&entry, &value);
1448
1449         g_dbus_send_message(connection, signal);
1450
1451         if (scanning == TRUE) {
1452                 reset_scan_trigger(device);
1453
1454                 g_hash_table_foreach(device->networks,
1455                                         mark_network_unavailable, NULL);
1456
1457                 return 0;
1458         }
1459
1460         __connman_device_cleanup_networks(device);
1461
1462         if (device->connections > 0)
1463                 return 0;
1464
1465         if (device->disconnected == TRUE)
1466                 return 0;
1467
1468         __connman_service_auto_connect();
1469
1470         return 0;
1471 }
1472
1473 /**
1474  * connman_device_set_disconnected:
1475  * @device: device structure
1476  * @disconnected: disconnected state
1477  *
1478  * Change disconnected state of device (only for device with networks)
1479  */
1480 int connman_device_set_disconnected(struct connman_device *device,
1481                                                 connman_bool_t disconnected)
1482 {
1483         DBG("device %p disconnected %d", device, disconnected);
1484
1485         switch (device->mode) {
1486         case CONNMAN_DEVICE_MODE_UNKNOWN:
1487         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1488                 return -EINVAL;
1489         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1490         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1491                 break;
1492         }
1493
1494         if (device->disconnected == disconnected)
1495                 return -EALREADY;
1496
1497         device->disconnected = disconnected;
1498
1499         return 0;
1500 }
1501
1502 /**
1503  * connman_device_get_disconnected:
1504  * @device: device structure
1505  *
1506  * Get device disconnected state
1507  */
1508 connman_bool_t connman_device_get_disconnected(struct connman_device *device)
1509 {
1510         return device->disconnected;
1511 }
1512
1513 /**
1514  * connman_device_set_connected:
1515  * @device: device structure
1516  * @connected: connected state
1517  *
1518  * Change connected state of device (for Ethernet like devices)
1519  */
1520 int connman_device_set_connected(struct connman_device *device,
1521                                                 connman_bool_t connected)
1522 {
1523         DBG("device %p connected %d", device, connected);
1524
1525         switch (device->mode) {
1526         case CONNMAN_DEVICE_MODE_UNKNOWN:
1527         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1528         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1529                 return -EINVAL;
1530         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1531                 break;
1532         }
1533
1534         if (device->carrier == FALSE)
1535                 return -ENOTCONN;
1536
1537         return set_connected(device, connected);
1538 }
1539
1540 /**
1541  * connman_device_set_string:
1542  * @device: device structure
1543  * @key: unique identifier
1544  * @value: string value
1545  *
1546  * Set string value for specific key
1547  */
1548 int connman_device_set_string(struct connman_device *device,
1549                                         const char *key, const char *value)
1550 {
1551         DBG("device %p key %s value %s", device, key, value);
1552
1553         if (g_str_equal(key, "Address") == TRUE) {
1554                 g_free(device->address);
1555                 device->address = g_strdup(value);
1556         } else if (g_str_equal(key, "Name") == TRUE) {
1557                 g_free(device->name);
1558                 device->name = g_strdup(value);
1559         } else if (g_str_equal(key, "Node") == TRUE) {
1560                 g_free(device->node);
1561                 device->node = g_strdup(value);
1562         }
1563
1564         return connman_element_set_string(&device->element, key, value);
1565 }
1566
1567 /**
1568  * connman_device_get_string:
1569  * @device: device structure
1570  * @key: unique identifier
1571  *
1572  * Get string value for specific key
1573  */
1574 const char *connman_device_get_string(struct connman_device *device,
1575                                                         const char *key)
1576 {
1577         DBG("device %p key %s", device, key);
1578
1579         if (g_str_equal(key, "Address") == TRUE)
1580                 return device->address;
1581         else if (g_str_equal(key, "Name") == TRUE)
1582                 return device->name;
1583         else if (g_str_equal(key, "Node") == TRUE)
1584                 return device->node;
1585
1586         return connman_element_get_string(&device->element, key);
1587 }
1588
1589 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1590 {
1591         struct connman_device *device = element->device;
1592         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1593         connman_bool_t powered;
1594
1595         DBG("element %p name %s", element, element->name);
1596
1597         if (device == NULL)
1598                 return;
1599
1600         device->offlinemode = offlinemode;
1601
1602         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1603
1604         if (device->powered == powered)
1605                 return;
1606
1607         if (device->powered_persistent == FALSE)
1608                 powered = FALSE;
1609
1610         set_powered(device, powered);
1611 }
1612
1613 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1614 {
1615         DBG("offlinmode %d", offlinemode);
1616
1617         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1618                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1619
1620         __connman_notifier_offlinemode(offlinemode);
1621
1622         return 0;
1623 }
1624
1625 void __connman_device_increase_connections(struct connman_device *device)
1626 {
1627         device->connections++;
1628 }
1629
1630 void __connman_device_decrease_connections(struct connman_device *device)
1631 {
1632         device->connections--;
1633 }
1634
1635 /**
1636  * connman_device_add_network:
1637  * @device: device structure
1638  * @network: network structure
1639  *
1640  * Add new network to the device
1641  */
1642 int connman_device_add_network(struct connman_device *device,
1643                                         struct connman_network *network)
1644 {
1645         const char *identifier = connman_network_get_identifier(network);
1646         int err;
1647
1648         DBG("device %p network %p", device, network);
1649
1650         switch (device->mode) {
1651         case CONNMAN_DEVICE_MODE_UNKNOWN:
1652         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1653                 return -EINVAL;
1654         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1655         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1656                 break;
1657         }
1658
1659         __connman_network_set_device(network, device);
1660
1661         err = connman_element_register((struct connman_element *) network,
1662                                                         &device->element);
1663         if (err < 0) {
1664                 __connman_network_set_device(network, NULL);
1665                 return err;
1666         }
1667
1668         g_hash_table_insert(device->networks, g_strdup(identifier),
1669                                                                 network);
1670
1671         return 0;
1672 }
1673
1674 /**
1675  * connman_device_get_network:
1676  * @device: device structure
1677  * @identifier: network identifier
1678  *
1679  * Get network for given identifier
1680  */
1681 struct connman_network *connman_device_get_network(struct connman_device *device,
1682                                                         const char *identifier)
1683 {
1684         DBG("device %p identifier %s", device, identifier);
1685
1686         return g_hash_table_lookup(device->networks, identifier);
1687 }
1688
1689 /**
1690  * connman_device_remove_network:
1691  * @device: device structure
1692  * @identifier: network identifier
1693  *
1694  * Remove network for given identifier
1695  */
1696 int connman_device_remove_network(struct connman_device *device,
1697                                                         const char *identifier)
1698 {
1699         DBG("device %p identifier %s", device, identifier);
1700
1701         g_hash_table_remove(device->networks, identifier);
1702
1703         return 0;
1704 }
1705
1706 void __connman_device_set_network(struct connman_device *device,
1707                                         struct connman_network *network)
1708 {
1709         const char *name;
1710
1711         if (device->network == network)
1712                 return;
1713
1714         if (device->network != NULL)
1715                 connman_network_unref(device->network);
1716
1717         if (network != NULL) {
1718                 name = connman_network_get_string(network,
1719                                                 CONNMAN_PROPERTY_ID_NAME);
1720                 g_free(device->last_network);
1721                 device->last_network = g_strdup(name);
1722
1723                 device->network = connman_network_ref(network);
1724         } else {
1725                 g_free(device->last_network);
1726                 device->last_network = NULL;
1727
1728                 device->network = NULL;
1729         }
1730 }
1731
1732 /**
1733  * connman_device_register:
1734  * @device: device structure
1735  *
1736  * Register device with the system
1737  */
1738 int connman_device_register(struct connman_device *device)
1739 {
1740         enum connman_service_type type;
1741
1742         __connman_storage_load_device(device);
1743
1744         device->offlinemode = __connman_manager_get_offlinemode();
1745
1746         type = __connman_device_get_service_type(device);
1747         __connman_notifier_register(type);
1748
1749         return connman_element_register(&device->element, NULL);
1750 }
1751
1752 /**
1753  * connman_device_unregister:
1754  * @device: device structure
1755  *
1756  * Unregister device with the system
1757  */
1758 void connman_device_unregister(struct connman_device *device)
1759 {
1760         enum connman_service_type type;
1761
1762         __connman_storage_save_device(device);
1763
1764         type = __connman_device_get_service_type(device);
1765         __connman_notifier_unregister(type);
1766
1767         connman_element_unregister(&device->element);
1768 }
1769
1770 /**
1771  * connman_device_get_data:
1772  * @device: device structure
1773  *
1774  * Get private device data pointer
1775  */
1776 void *connman_device_get_data(struct connman_device *device)
1777 {
1778         return device->driver_data;
1779 }
1780
1781 /**
1782  * connman_device_set_data:
1783  * @device: device structure
1784  * @data: data pointer
1785  *
1786  * Set private device data pointer
1787  */
1788 void connman_device_set_data(struct connman_device *device, void *data)
1789 {
1790         device->driver_data = data;
1791 }
1792
1793 static gboolean match_driver(struct connman_device *device,
1794                                         struct connman_device_driver *driver)
1795 {
1796         if (device->type == driver->type ||
1797                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1798                 return TRUE;
1799
1800         return FALSE;
1801 }
1802
1803 static int device_probe(struct connman_element *element)
1804 {
1805         struct connman_device *device = element->device;
1806         GSList *list;
1807
1808         DBG("element %p name %s", element, element->name);
1809
1810         if (device == NULL)
1811                 return -ENODEV;
1812
1813         if (device->driver != NULL)
1814                 return -EALREADY;
1815
1816         for (list = driver_list; list; list = list->next) {
1817                 struct connman_device_driver *driver = list->data;
1818
1819                 if (match_driver(device, driver) == FALSE)
1820                         continue;
1821
1822                 DBG("driver %p name %s", driver, driver->name);
1823
1824                 if (driver->probe(device) == 0) {
1825                         device->driver = driver;
1826                         break;
1827                 }
1828         }
1829
1830         if (device->driver == NULL)
1831                 return -ENODEV;
1832
1833         return setup_device(device);
1834 }
1835
1836 static void device_remove(struct connman_element *element)
1837 {
1838         struct connman_device *device = element->device;
1839
1840         DBG("element %p name %s", element, element->name);
1841
1842         if (device == NULL)
1843                 return;
1844
1845         if (device->driver == NULL)
1846                 return;
1847
1848         remove_device(device);
1849 }
1850
1851 static struct connman_driver device_driver = {
1852         .name           = "device",
1853         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1854         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1855         .probe          = device_probe,
1856         .remove         = device_remove,
1857 };
1858
1859 static int device_load(struct connman_device *device)
1860 {
1861         GKeyFile *keyfile;
1862         GError *error = NULL;
1863         gchar *identifier;
1864         connman_bool_t powered;
1865         int val;
1866
1867         DBG("device %p", device);
1868
1869         keyfile = __connman_storage_open();
1870         if (keyfile == NULL)
1871                 return 0;
1872
1873         identifier = g_strdup_printf("device_%s", device->element.name);
1874         if (identifier == NULL)
1875                 goto done;
1876
1877         powered = g_key_file_get_boolean(keyfile, identifier,
1878                                                 "Powered", &error);
1879         if (error == NULL)
1880                 device->powered_persistent = powered;
1881         g_clear_error(&error);
1882
1883         switch (device->mode) {
1884         case CONNMAN_DEVICE_MODE_UNKNOWN:
1885         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1886                 break;
1887         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1888         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1889                 val = g_key_file_get_integer(keyfile, identifier,
1890                                                 "ScanInterval", &error);
1891                 if (error == NULL && val > 0)
1892                         device->scan_interval = val;
1893                 g_clear_error(&error);
1894                 break;
1895         }
1896
1897 done:
1898         g_free(identifier);
1899
1900         __connman_storage_close(keyfile, FALSE);
1901
1902         return 0;
1903 }
1904
1905 static int device_save(struct connman_device *device)
1906 {
1907         GKeyFile *keyfile;
1908         gchar *identifier;
1909
1910         DBG("device %p", device);
1911
1912         keyfile = __connman_storage_open();
1913         if (keyfile == NULL)
1914                 return 0;
1915
1916         identifier = g_strdup_printf("device_%s", device->element.name);
1917         if (identifier == NULL)
1918                 goto done;
1919
1920         g_key_file_set_boolean(keyfile, identifier,
1921                                         "Powered", device->powered_persistent);
1922
1923         switch (device->mode) {
1924         case CONNMAN_DEVICE_MODE_UNKNOWN:
1925         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1926                 break;
1927         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1928         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1929                 if (device->scan_interval > 0)
1930                         g_key_file_set_integer(keyfile, identifier,
1931                                         "ScanInterval", device->scan_interval);
1932                 break;
1933         }
1934
1935 done:
1936         g_free(identifier);
1937
1938         __connman_storage_close(keyfile, TRUE);
1939
1940         return 0;
1941 }
1942
1943 static struct connman_storage device_storage = {
1944         .name           = "device",
1945         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1946         .device_load    = device_load,
1947         .device_save    = device_save,
1948 };
1949
1950 int __connman_device_init(void)
1951 {
1952         DBG("");
1953
1954         connection = connman_dbus_get_connection();
1955
1956         if (connman_storage_register(&device_storage) < 0)
1957                 connman_error("Failed to register device storage");
1958
1959         return connman_driver_register(&device_driver);
1960 }
1961
1962 void __connman_device_cleanup(void)
1963 {
1964         DBG("");
1965
1966         connman_driver_unregister(&device_driver);
1967
1968         connman_storage_unregister(&device_storage);
1969
1970         dbus_connection_unref(connection);
1971 }