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 void force_scan_trigger(struct connman_device *device)
 110 {
 111         clear_scan_trigger(device);
 112
 113         device->scan_timeout = g_timeout_add_seconds(5,
 114                                         device_scan_trigger, device);
 115 }
 116
 117 static const char *type2description(enum connman_device_type type)
 118 {
 119         switch (type) {
 120         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 121         case CONNMAN_DEVICE_TYPE_VENDOR:
 122                 break;
 123         case CONNMAN_DEVICE_TYPE_ETHERNET:
 124                 return "Ethernet";
 125         case CONNMAN_DEVICE_TYPE_WIFI:
 126                 return "Wireless";
 127         case CONNMAN_DEVICE_TYPE_WIMAX:
 128                 return "WiMAX";
 129         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 130                 return "Bluetooth";
 131         case CONNMAN_DEVICE_TYPE_GPS:
 132                 return "GPS";
 133         case CONNMAN_DEVICE_TYPE_MBM:
 134         case CONNMAN_DEVICE_TYPE_HSO:
 135         case CONNMAN_DEVICE_TYPE_NOZOMI:
 136         case CONNMAN_DEVICE_TYPE_HUAWEI:
 137         case CONNMAN_DEVICE_TYPE_NOVATEL:
 138                 return "Cellular";
 139         }
 140
 141         return NULL;
 142 }
 143
 144 static const char *type2string(enum connman_device_type type)
 145 {
 146         switch (type) {
 147         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 148         case CONNMAN_DEVICE_TYPE_VENDOR:
 149                 break;
 150         case CONNMAN_DEVICE_TYPE_ETHERNET:
 151                 return "ethernet";
 152         case CONNMAN_DEVICE_TYPE_WIFI:
 153                 return "wifi";
 154         case CONNMAN_DEVICE_TYPE_WIMAX:
 155                 return "wimax";
 156         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 157                 return "bluetooth";
 158         case CONNMAN_DEVICE_TYPE_GPS:
 159                 return "gps";
 160         case CONNMAN_DEVICE_TYPE_MBM:
 161         case CONNMAN_DEVICE_TYPE_HSO:
 162         case CONNMAN_DEVICE_TYPE_HUAWEI:
 163         case CONNMAN_DEVICE_TYPE_NOZOMI:
 164         case CONNMAN_DEVICE_TYPE_NOVATEL:
 165                 return "cellular";
 166         }
 167
 168         return NULL;
 169 }
 170
 171 enum connman_service_type __connman_device_get_service_type(struct connman_device *device)
 172 {
 173         enum connman_device_type type = connman_device_get_type(device);
 174
 175         switch (type) {
 176         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 177         case CONNMAN_DEVICE_TYPE_VENDOR:
 178         case CONNMAN_DEVICE_TYPE_GPS:
 179         case CONNMAN_DEVICE_TYPE_NOZOMI:
 180         case CONNMAN_DEVICE_TYPE_HUAWEI:
 181         case CONNMAN_DEVICE_TYPE_NOVATEL:
 182                 break;
 183         case CONNMAN_DEVICE_TYPE_ETHERNET:
 184                 return CONNMAN_SERVICE_TYPE_ETHERNET;
 185         case CONNMAN_DEVICE_TYPE_WIFI:
 186                 return CONNMAN_SERVICE_TYPE_WIFI;
 187         case CONNMAN_DEVICE_TYPE_WIMAX:
 188                 return CONNMAN_SERVICE_TYPE_WIMAX;
 189         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 190                 return CONNMAN_SERVICE_TYPE_BLUETOOTH;
 191         case CONNMAN_DEVICE_TYPE_MBM:
 192         case CONNMAN_DEVICE_TYPE_HSO:
 193                 return CONNMAN_SERVICE_TYPE_CELLULAR;
 194         }
 195
 196         return CONNMAN_SERVICE_TYPE_UNKNOWN;
 197 }
 198
 199 static int set_connected(struct connman_device *device,
 200                                                 connman_bool_t connected)
 201 {
 202         if (connected == TRUE) {
 203                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 204                 struct connman_element *element;
 205
 206                 device->disconnected = TRUE;
 207
 208                 switch (device->element.ipv4.method) {
 209                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 210                 case CONNMAN_IPCONFIG_METHOD_IGNORE:
 211                         return 0;
 212                 case CONNMAN_IPCONFIG_METHOD_STATIC:
 213                         type = CONNMAN_ELEMENT_TYPE_IPV4;
 214                         break;
 215                 case CONNMAN_IPCONFIG_METHOD_DHCP:
 216                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 217                         break;
 218                 }
 219
 220                 element = connman_element_create(NULL);
 221                 if (element != NULL) {
 222                         struct connman_service *service;
 223
 224                         element->type  = type;
 225                         element->index = device->element.index;
 226
 227                         if (connman_element_register(element,
 228                                                         &device->element) < 0)
 229                                 connman_element_unref(element);
 230
 231                         device->disconnected = FALSE;
 232
 233                         service = __connman_service_lookup_from_device(device);
 234                         __connman_service_indicate_state(service,
 235                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 236                 }
 237         } else {
 238                 struct connman_service *service;
 239
 240                 connman_element_unregister_children(&device->element);
 241
 242                 device->disconnected = TRUE;
 243
 244                 service = __connman_service_lookup_from_device(device);
 245                 __connman_service_indicate_state(service,
 246                                         CONNMAN_SERVICE_STATE_IDLE);
 247         }
 248
 249         if (connected == TRUE) {
 250                 enum connman_service_type type;
 251
 252                 type = __connman_device_get_service_type(device);
 253                 __connman_notifier_connect(type);
 254         } else {
 255                 enum connman_service_type type;
 256
 257                 type = __connman_device_get_service_type(device);
 258                 __connman_notifier_disconnect(type);
 259         }
 260
 261         return 0;
 262 }
 263
 264 static int set_carrier(struct connman_device *device, connman_bool_t carrier)
 265 {
 266         if (carrier == TRUE)
 267                 __connman_profile_add_device(device);
 268         else
 269                 __connman_profile_remove_device(device);
 270
 271         return set_connected(device, carrier);
 272 }
 273
 274 static int powered_changed(struct connman_device *device)
 275 {
 276         DBusMessage *signal;
 277         DBusMessageIter entry, value;
 278         const char *key = "Powered";
 279
 280         signal = dbus_message_new_signal(device->element.path,
 281                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 282         if (signal == NULL)
 283                 return -ENOMEM;
 284
 285         dbus_message_iter_init_append(signal, &entry);
 286
 287         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 288
 289         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 290                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 291         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN,
 292                                                         &device->powered);
 293         dbus_message_iter_close_container(&entry, &value);
 294
 295         g_dbus_send_message(connection, signal);
 296
 297         return 0;
 298 }
 299
 300 static int set_powered(struct connman_device *device, connman_bool_t powered)
 301 {
 302         struct connman_device_driver *driver = device->driver;
 303         enum connman_service_type type;
 304         int err;
 305
 306         DBG("device %p powered %d", device, powered);
 307
 308         if (device->powered_pending == powered)
 309                 return -EALREADY;
 310
 311         if (!driver)
 312                 return -EINVAL;
 313
 314         type = __connman_device_get_service_type(device);
 315
 316         if (powered == TRUE) {
 317                 if (driver->enable) {
 318                         device->powered_pending = powered;
 319
 320                         err = driver->enable(device);
 321                         if (err == 0)
 322                                 __connman_notifier_enable(type);
 323                 } else
 324                         err = -EINVAL;
 325         } else {
 326                 device->powered_pending = powered;
 327
 328                 clear_scan_trigger(device);
 329
 330                 g_hash_table_remove_all(device->networks);
 331
 332                 set_carrier(device, FALSE);
 333
 334                 if (driver->disable) {
 335                         err = driver->disable(device);
 336                         if (err == 0)
 337                                 __connman_notifier_disable(type);
 338                 } else
 339                         err = -EINVAL;
 340         }
 341
 342         if (err == 0) {
 343                 device->powered = powered;
 344
 345                 if (device->registered == TRUE)
 346                         powered_changed(device);
 347         }
 348
 349         return err;
 350 }
 351
 352 static void append_path(gpointer key, gpointer value, gpointer user_data)
 353 {
 354         struct connman_element *element = value;
 355         DBusMessageIter *iter = user_data;
 356
 357         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 358                                                         &element->path);
 359 }
 360
 361 static void append_networks(struct connman_device *device,
 362                                                 DBusMessageIter *entry)
 363 {
 364         DBusMessageIter value, iter;
 365         const char *key = "Networks";
 366
 367         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 368
 369         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 370                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 371                                                                 &value);
 372
 373         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 374                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 375         g_hash_table_foreach(device->networks, append_path, &iter);
 376         dbus_message_iter_close_container(&value, &iter);
 377
 378         dbus_message_iter_close_container(entry, &value);
 379 }
 380
 381 static DBusMessage *get_properties(DBusConnection *conn,
 382                                         DBusMessage *msg, void *data)
 383 {
 384         struct connman_device *device = data;
 385         DBusMessage *reply;
 386         DBusMessageIter array, dict, entry;
 387         const char *str;
 388
 389         DBG("conn %p", conn);
 390
 391         if (__connman_security_check_privilege(msg,
 392                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 393                 return __connman_error_permission_denied(msg);
 394
 395         reply = dbus_message_new_method_return(msg);
 396         if (reply == NULL)
 397                 return NULL;
 398
 399         dbus_message_iter_init_append(reply, &array);
 400
 401         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 402                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 403                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 404                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 405
 406         if (device->name != NULL)
 407                 connman_dbus_dict_append_variant(&dict, "Name",
 408                                         DBUS_TYPE_STRING, &device->name);
 409
 410         str = type2string(device->type);
 411         if (str != NULL)
 412                 connman_dbus_dict_append_variant(&dict, "Type",
 413                                                 DBUS_TYPE_STRING, &str);
 414
 415         if (device->address != NULL)
 416                 connman_dbus_dict_append_variant(&dict, "Address",
 417                                         DBUS_TYPE_STRING, &device->address);
 418
 419         if (device->interface != NULL)
 420                 connman_dbus_dict_append_variant(&dict, "Interface",
 421                                         DBUS_TYPE_STRING, &device->interface);
 422
 423         connman_dbus_dict_append_variant(&dict, "Powered",
 424                                         DBUS_TYPE_BOOLEAN, &device->powered);
 425
 426         if (device->driver && device->driver->scan)
 427                 connman_dbus_dict_append_variant(&dict, "Scanning",
 428                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 429
 430         switch (device->mode) {
 431         case CONNMAN_DEVICE_MODE_UNKNOWN:
 432                 break;
 433         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 434                 __connman_element_append_ipv4(&device->element, &dict);
 435                 break;
 436         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 437         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 438                 if (device->scan_interval > 0)
 439                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 440                                 DBUS_TYPE_UINT16, &device->scan_interval);
 441
 442                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 443                                                                 NULL, &entry);
 444                 append_networks(device, &entry);
 445                 dbus_message_iter_close_container(&dict, &entry);
 446                 break;
 447         }
 448
 449         dbus_message_iter_close_container(&array, &dict);
 450
 451         return reply;
 452 }
 453
 454 static gboolean powered_timeout(gpointer user_data)
 455 {
 456         struct connman_device *device = user_data;
 457
 458         DBG("device %p", device);
 459
 460         device->timeout = 0;
 461
 462         if (device->pending != NULL) {
 463                 DBusMessage *reply;
 464
 465                 reply = __connman_error_operation_timeout(device->pending);
 466                 if (reply != NULL)
 467                         g_dbus_send_message(connection, reply);
 468
 469                 dbus_message_unref(device->pending);
 470                 device->pending = NULL;
 471         }
 472
 473         return FALSE;
 474 }
 475
 476 static DBusMessage *set_property(DBusConnection *conn,
 477                                         DBusMessage *msg, void *data)
 478 {
 479         struct connman_device *device = data;
 480         DBusMessageIter iter, value;
 481         const char *name;
 482         int type;
 483
 484         DBG("conn %p", conn);
 485
 486         if (dbus_message_iter_init(msg, &iter) == FALSE)
 487                 return __connman_error_invalid_arguments(msg);
 488
 489         dbus_message_iter_get_basic(&iter, &name);
 490         dbus_message_iter_next(&iter);
 491         dbus_message_iter_recurse(&iter, &value);
 492
 493         if (__connman_security_check_privilege(msg,
 494                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 495                 return __connman_error_permission_denied(msg);
 496
 497         type = dbus_message_iter_get_arg_type(&value);
 498
 499         if (g_str_equal(name, "Powered") == TRUE) {
 500                 connman_bool_t powered;
 501                 int err;
 502
 503                 if (type != DBUS_TYPE_BOOLEAN)
 504                         return __connman_error_invalid_arguments(msg);
 505
 506                 dbus_message_iter_get_basic(&value, &powered);
 507
 508                 device->powered_persistent = powered;
 509
 510                 __connman_storage_save_device(device);
 511
 512                 if (device->powered == powered)
 513                         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 514
 515                 if (device->pending != NULL)
 516                         return __connman_error_in_progress(msg);
 517
 518                 err = set_powered(device, powered);
 519                 if (err < 0) {
 520                         if (err != -EINPROGRESS)
 521                                 return __connman_error_failed(msg, -err);
 522
 523                         device->pending = dbus_message_ref(msg);
 524
 525                         device->timeout = g_timeout_add_seconds(15,
 526                                                 powered_timeout, device);
 527
 528                         return NULL;
 529                 }
 530         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 531                 connman_uint16_t interval;
 532
 533                 switch (device->mode) {
 534                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 535                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 536                         return __connman_error_invalid_arguments(msg);
 537                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 538                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 539                         break;
 540                 }
 541
 542                 if (type != DBUS_TYPE_UINT16)
 543                         return __connman_error_invalid_arguments(msg);
 544
 545                 dbus_message_iter_get_basic(&value, &interval);
 546
 547                 if (device->scan_interval != interval) {
 548                         device->scan_interval = interval;
 549
 550                         __connman_storage_save_device(device);
 551
 552                         reset_scan_trigger(device);
 553                 }
 554         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 555                 int err;
 556
 557                 if (device->ipconfig == NULL)
 558                         return __connman_error_invalid_property(msg);
 559
 560                 switch (device->mode) {
 561                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 562                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 563                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 564                         return __connman_error_invalid_arguments(msg);
 565                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 566                         break;
 567                 }
 568
 569                 err = __connman_ipconfig_set_ipv4(device->ipconfig,
 570                                                         name + 5, &value);
 571                 if (err < 0)
 572                         return __connman_error_failed(msg, -err);
 573         } else
 574                 return __connman_error_invalid_property(msg);
 575
 576         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 577 }
 578
 579 static DBusMessage *propose_scan(DBusConnection *conn,
 580                                         DBusMessage *msg, void *data)
 581 {
 582         struct connman_device *device = data;
 583         int err;
 584
 585         DBG("conn %p", conn);
 586
 587         switch (device->mode) {
 588         case CONNMAN_DEVICE_MODE_UNKNOWN:
 589         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 590                 return __connman_error_not_supported(msg);
 591         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 592         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 593                 break;
 594         }
 595
 596         err = __connman_device_scan(device);
 597         if (err < 0)
 598                 return __connman_error_failed(msg, -err);
 599
 600         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 601 }
 602
 603 static GDBusMethodTable device_methods[] = {
 604         { "GetProperties", "",      "a{sv}", get_properties },
 605         { "SetProperty",   "sv",    "",      set_property,
 606                                                 G_DBUS_METHOD_FLAG_ASYNC },
 607         { "ProposeScan",   "",      "",      propose_scan   },
 608         { },
 609 };
 610
 611 static GDBusSignalTable device_signals[] = {
 612         { "PropertyChanged", "sv" },
 613         { },
 614 };
 615
 616 static void append_devices(DBusMessageIter *entry)
 617 {
 618         DBusMessageIter value, iter;
 619         const char *key = "Devices";
 620
 621         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 622
 623         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 624                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 625                                                                 &value);
 626
 627         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 628                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 629         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 630         dbus_message_iter_close_container(&value, &iter);
 631
 632         dbus_message_iter_close_container(entry, &value);
 633 }
 634
 635 static void emit_devices_signal(void)
 636 {
 637         DBusMessage *signal;
 638         DBusMessageIter entry;
 639
 640         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 641                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 642         if (signal == NULL)
 643                 return;
 644
 645         dbus_message_iter_init_append(signal, &entry);
 646
 647         append_devices(&entry);
 648
 649         g_dbus_send_message(connection, signal);
 650 }
 651
 652 static int register_interface(struct connman_element *element)
 653 {
 654         struct connman_device *device = element->device;
 655
 656         DBG("element %p name %s", element, element->name);
 657
 658         if (g_dbus_register_interface(connection, element->path,
 659                                         CONNMAN_DEVICE_INTERFACE,
 660                                         device_methods, device_signals,
 661                                         NULL, device, NULL) == FALSE) {
 662                 connman_error("Failed to register %s device", element->path);
 663                 return -EIO;
 664         }
 665
 666         device->registered = TRUE;
 667
 668         emit_devices_signal();
 669
 670         return 0;
 671 }
 672
 673 static void unregister_interface(struct connman_element *element)
 674 {
 675         struct connman_device *device = element->device;
 676
 677         DBG("element %p name %s", element, element->name);
 678
 679         device->registered = FALSE;
 680
 681         emit_devices_signal();
 682
 683         g_dbus_unregister_interface(connection, element->path,
 684                                                 CONNMAN_DEVICE_INTERFACE);
 685 }
 686
 687 static int setup_device(struct connman_device *device)
 688 {
 689         enum connman_service_type type;
 690         int err;
 691
 692         DBG("device %p", device);
 693
 694         err = register_interface(&device->element);
 695         if (err < 0) {
 696                 if (device->driver->remove)
 697                         device->driver->remove(device);
 698                 device->driver = NULL;
 699                 return err;
 700         }
 701
 702         type = __connman_device_get_service_type(device);
 703         __connman_notifier_register(type);
 704
 705         switch (device->mode) {
 706         case CONNMAN_DEVICE_MODE_UNKNOWN:
 707         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 708         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 709                 break;
 710         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 711                 if (device->carrier == TRUE && device->secondary == FALSE)
 712                         __connman_profile_add_device(device);
 713                 break;
 714         }
 715
 716         if (device->offlinemode == FALSE &&
 717                                 device->powered_persistent == TRUE)
 718                 __connman_device_enable(device);
 719
 720         return 0;
 721 }
 722
 723 static void probe_driver(struct connman_element *element, gpointer user_data)
 724 {
 725         struct connman_device_driver *driver = user_data;
 726
 727         DBG("element %p name %s", element, element->name);
 728
 729         if (element->device == NULL)
 730                 return;
 731
 732         if (element->device->driver != NULL)
 733                 return;
 734
 735         if (driver->type != element->device->type)
 736                 return;
 737
 738         if (driver->probe(element->device) < 0)
 739                 return;
 740
 741         element->device->driver = driver;
 742
 743         setup_device(element->device);
 744 }
 745
 746 static void remove_device(struct connman_device *device)
 747 {
 748         enum connman_service_type type;
 749
 750         DBG("device %p", device);
 751
 752         __connman_device_disable(device);
 753
 754         switch (device->mode) {
 755         case CONNMAN_DEVICE_MODE_UNKNOWN:
 756         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 757         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 758                 break;
 759         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 760                 if (device->secondary == FALSE)
 761                         __connman_profile_remove_device(device);
 762                 break;
 763         }
 764
 765         type = __connman_device_get_service_type(device);
 766         __connman_notifier_unregister(type);
 767
 768         unregister_interface(&device->element);
 769
 770         if (device->driver->remove)
 771                 device->driver->remove(device);
 772
 773         device->driver = NULL;
 774 }
 775
 776 static void remove_driver(struct connman_element *element, gpointer user_data)
 777 {
 778         struct connman_device_driver *driver = user_data;
 779
 780         DBG("element %p name %s", element, element->name);
 781
 782         if (element->device == NULL)
 783                 return;
 784
 785         if (element->device->driver == driver)
 786                 remove_device(element->device);
 787 }
 788
 789 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 790 {
 791         if (device == NULL || device->driver == NULL)
 792                 return FALSE;
 793
 794         return device->registered;
 795 }
 796
 797 static GSList *driver_list = NULL;
 798
 799 static gint compare_priority(gconstpointer a, gconstpointer b)
 800 {
 801         const struct connman_device_driver *driver1 = a;
 802         const struct connman_device_driver *driver2 = b;
 803
 804         return driver2->priority - driver1->priority;
 805 }
 806
 807 /**
 808  * connman_device_driver_register:
 809  * @driver: device driver definition
 810  *
 811  * Register a new device driver
 812  *
 813  * Returns: %0 on success
 814  */
 815 int connman_device_driver_register(struct connman_device_driver *driver)
 816 {
 817         DBG("driver %p name %s", driver, driver->name);
 818
 819         driver_list = g_slist_insert_sorted(driver_list, driver,
 820                                                         compare_priority);
 821
 822         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 823                                                 probe_driver, driver);
 824
 825         return 0;
 826 }
 827
 828 /**
 829  * connman_device_driver_unregister:
 830  * @driver: device driver definition
 831  *
 832  * Remove a previously registered device driver
 833  */
 834 void connman_device_driver_unregister(struct connman_device_driver *driver)
 835 {
 836         DBG("driver %p name %s", driver, driver->name);
 837
 838         driver_list = g_slist_remove(driver_list, driver);
 839
 840         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 841                                                 remove_driver, driver);
 842 }
 843
 844 static void unregister_network(gpointer data)
 845 {
 846         struct connman_network *network = data;
 847
 848         DBG("network %p", network);
 849
 850         connman_element_unregister((struct connman_element *) network);
 851
 852         connman_network_unref(network);
 853 }
 854
 855 static void device_destruct(struct connman_element *element)
 856 {
 857         struct connman_device *device = element->device;
 858
 859         DBG("element %p name %s", element, element->name);
 860
 861         if (device->timeout > 0) {
 862                 g_source_remove(device->timeout);
 863                 device->timeout = 0;
 864         }
 865
 866         if (device->pending != NULL) {
 867                 dbus_message_unref(device->pending);
 868                 device->pending = NULL;
 869         }
 870
 871         g_free(device->ident);
 872         g_free(device->node);
 873         g_free(device->name);
 874         g_free(device->address);
 875         g_free(device->control);
 876         g_free(device->interface);
 877
 878         if (device->ipconfig != NULL) {
 879                 connman_ipconfig_unref(device->ipconfig);
 880                 device->ipconfig = NULL;
 881         }
 882
 883         g_free(device->last_network);
 884
 885         g_hash_table_destroy(device->networks);
 886         device->networks = NULL;
 887 }
 888
 889 /**
 890  * connman_device_create:
 891  * @node: device node name (for example an address)
 892  * @type: device type
 893  *
 894  * Allocate a new device of given #type and assign the #node name to it.
 895  *
 896  * Returns: a newly-allocated #connman_device structure
 897  */
 898 struct connman_device *connman_device_create(const char *node,
 899                                                 enum connman_device_type type)
 900 {
 901         struct connman_device *device;
 902         const char *str;
 903
 904         DBG("node %s type %d", node, type);
 905
 906         device = g_try_new0(struct connman_device, 1);
 907         if (device == NULL)
 908                 return NULL;
 909
 910         DBG("device %p", device);
 911
 912         __connman_element_initialize(&device->element);
 913
 914         device->element.name = g_strdup(node);
 915         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 916
 917         device->element.device = device;
 918         device->element.destruct = device_destruct;
 919
 920         str = type2string(type);
 921         if (str != NULL)
 922                 connman_element_set_string(&device->element,
 923                                         CONNMAN_PROPERTY_ID_TYPE, str);
 924
 925         device->element.ipv4.method = CONNMAN_IPCONFIG_METHOD_DHCP;
 926
 927         device->type      = type;
 928         device->name      = g_strdup(type2description(device->type));
 929         device->mode      = CONNMAN_DEVICE_MODE_UNKNOWN;
 930         device->secondary = FALSE;
 931
 932         device->powered_persistent = TRUE;
 933
 934         device->phyindex = -1;
 935
 936         switch (type) {
 937         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 938         case CONNMAN_DEVICE_TYPE_VENDOR:
 939                 device->scan_interval = 0;
 940                 break;
 941         case CONNMAN_DEVICE_TYPE_ETHERNET:
 942         case CONNMAN_DEVICE_TYPE_WIFI:
 943                 device->scan_interval = 300;
 944                 break;
 945         case CONNMAN_DEVICE_TYPE_WIMAX:
 946                 device->scan_interval = 0;
 947                 break;
 948         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 949                 device->scan_interval = 0;
 950                 break;
 951         case CONNMAN_DEVICE_TYPE_GPS:
 952                 device->scan_interval = 0;
 953                 break;
 954         case CONNMAN_DEVICE_TYPE_MBM:
 955         case CONNMAN_DEVICE_TYPE_HSO:
 956         case CONNMAN_DEVICE_TYPE_NOZOMI:
 957         case CONNMAN_DEVICE_TYPE_HUAWEI:
 958         case CONNMAN_DEVICE_TYPE_NOVATEL:
 959                 device->scan_interval = 0;
 960                 break;
 961         }
 962
 963         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 964                                                 g_free, unregister_network);
 965
 966         return device;
 967 }
 968
 969 /**
 970  * connman_device_ref:
 971  * @device: device structure
 972  *
 973  * Increase reference counter of device
 974  */
 975 struct connman_device *connman_device_ref(struct connman_device *device)
 976 {
 977         if (connman_element_ref(&device->element) == NULL)
 978                 return NULL;
 979
 980         return device;
 981 }
 982
 983 /**
 984  * connman_device_unref:
 985  * @device: device structure
 986  *
 987  * Decrease reference counter of device
 988  */
 989 void connman_device_unref(struct connman_device *device)
 990 {
 991         connman_element_unref(&device->element);
 992 }
 993
 994 const char *__connman_device_get_type(struct connman_device *device)
 995 {
 996         return type2string(device->type);
 997 }
 998
 999 /**
1000  * connman_device_get_type:
1001  * @device: device structure
1002  *
1003  * Get type of device
1004  */
1005 enum connman_device_type connman_device_get_type(struct connman_device *device)
1006 {
1007         return device->type;
1008 }
1009
1010 /**
1011  * connman_device_get_name:
1012  * @device: device structure
1013  *
1014  * Get unique name of device
1015  */
1016 const char *connman_device_get_name(struct connman_device *device)
1017 {
1018         return device->element.name;
1019 }
1020
1021 /**
1022  * connman_device_get_path:
1023  * @device: device structure
1024  *
1025  * Get path name of device
1026  */
1027 const char *connman_device_get_path(struct connman_device *device)
1028 {
1029         return device->element.path;
1030 }
1031
1032 /**
1033  * connman_device_set_index:
1034  * @device: device structure
1035  * @index: index number
1036  *
1037  * Set index number of device
1038  */
1039 void connman_device_set_index(struct connman_device *device, int index)
1040 {
1041         device->element.index = index;
1042
1043         if (device->ipconfig != NULL) {
1044                 if (index == connman_ipconfig_get_index(device->ipconfig))
1045                         return;
1046
1047                 connman_ipconfig_unref(device->ipconfig);
1048         }
1049
1050         device->ipconfig = connman_ipconfig_create(index);
1051 }
1052
1053 /**
1054  * connman_device_get_index:
1055  * @device: device structure
1056  *
1057  * Get index number of device
1058  */
1059 int connman_device_get_index(struct connman_device *device)
1060 {
1061         return device->element.index;
1062 }
1063
1064 int __connman_device_get_phyindex(struct connman_device *device)
1065 {
1066         return device->phyindex;
1067 }
1068
1069 void __connman_device_set_phyindex(struct connman_device *device,
1070                                                         int phyindex)
1071 {
1072         device->phyindex = phyindex;
1073 }
1074
1075 /**
1076  * connman_device_set_interface:
1077  * @device: device structure
1078  * @interface: interface name
1079  * @control: control interface
1080  *
1081  * Set interface name of device
1082  */
1083 void connman_device_set_interface(struct connman_device *device,
1084                                 const char *interface, const char *control)
1085 {
1086         g_free(device->element.devname);
1087         device->element.devname = g_strdup(interface);
1088
1089         g_free(device->interface);
1090         device->interface = g_strdup(interface);
1091
1092         g_free(device->control);
1093         device->control = g_strdup(control);
1094
1095         if (device->name == NULL) {
1096                 const char *str = type2description(device->type);
1097                 if (str != NULL && device->interface != NULL)
1098                         device->name = g_strdup_printf("%s (%s)", str,
1099                                                         device->interface);
1100         }
1101 }
1102
1103 const char *connman_device_get_control(struct connman_device *device)
1104 {
1105         return device->control;
1106 }
1107
1108 /**
1109  * connman_device_set_ident:
1110  * @device: device structure
1111  * @ident: unique identifier
1112  *
1113  * Set unique identifier of device
1114  */
1115 void connman_device_set_ident(struct connman_device *device,
1116                                                         const char *ident)
1117 {
1118         g_free(device->ident);
1119         device->ident = g_strdup(ident);
1120 }
1121
1122 const char *__connman_device_get_ident(struct connman_device *device)
1123 {
1124         return device->ident;
1125 }
1126
1127 /**
1128  * connman_device_set_mode:
1129  * @device: device structure
1130  * @mode: network mode
1131  *
1132  * Change network mode of device
1133  */
1134 void connman_device_set_mode(struct connman_device *device,
1135                                                 enum connman_device_mode mode)
1136 {
1137         device->mode = mode;
1138 }
1139
1140 /**
1141  * connman_device_get_mode:
1142  * @device: device structure
1143  *
1144  * Get network mode of device
1145  */
1146 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1147 {
1148         return device->mode;
1149 }
1150
1151 /**
1152  * connman_device_set_secondary:
1153  * @device: device structure
1154  * @secondary: secondary value
1155  *
1156  * Change secondary value of device
1157  */
1158 void connman_device_set_secondary(struct connman_device *device,
1159                                                 connman_bool_t secondary)
1160 {
1161         device->secondary = secondary;
1162 }
1163
1164 /**
1165  * connman_device_get_secondary:
1166  * @device: device structure
1167  *
1168  * Get secondary value of device
1169  */
1170 connman_bool_t connman_device_get_secondary(struct connman_device *device)
1171 {
1172         return device->secondary;
1173 }
1174
1175 /**
1176  * connman_device_set_powered:
1177  * @device: device structure
1178  * @powered: powered state
1179  *
1180  * Change power state of device
1181  */
1182 int connman_device_set_powered(struct connman_device *device,
1183                                                 connman_bool_t powered)
1184 {
1185         enum connman_service_type type;
1186
1187         DBG("driver %p powered %d", device, powered);
1188
1189         if (device->timeout > 0) {
1190                 g_source_remove(device->timeout);
1191                 device->timeout = 0;
1192         }
1193
1194         if (device->pending != NULL) {
1195                 g_dbus_send_reply(connection, device->pending,
1196                                                         DBUS_TYPE_INVALID);
1197
1198                 dbus_message_unref(device->pending);
1199                 device->pending = NULL;
1200         }
1201
1202         if (device->powered == powered)
1203                 return -EALREADY;
1204
1205         device->powered = powered;
1206         device->powered_pending = powered;
1207
1208         type = __connman_device_get_service_type(device);
1209
1210         if (device->powered == TRUE)
1211                 __connman_notifier_enable(type);
1212         else
1213                 __connman_notifier_disable(type);
1214
1215         if (device->registered == FALSE)
1216                 return 0;
1217
1218         powered_changed(device);
1219
1220         if (powered == FALSE)
1221                 return 0;
1222
1223         reset_scan_trigger(device);
1224
1225         if (device->driver->scan)
1226                 device->driver->scan(device);
1227
1228         return 0;
1229 }
1230
1231 int __connman_device_set_blocked(struct connman_device *device,
1232                                                 connman_bool_t blocked)
1233 {
1234         connman_bool_t powered;
1235
1236         DBG("device %p blocked %d", device, blocked);
1237
1238         device->blocked = blocked;
1239
1240         if (device->offlinemode == TRUE)
1241                 return 0;
1242
1243         connman_info("%s {rfkill} blocked %d", device->interface, blocked);
1244
1245         if (blocked == FALSE)
1246                 powered = device->powered_persistent;
1247         else
1248                 powered = FALSE;
1249
1250         return set_powered(device, powered);
1251 }
1252
1253 /**
1254  * connman_device_set_carrier:
1255  * @device: device structure
1256  * @carrier: carrier state
1257  *
1258  * Change carrier state of device (only for device without scanning)
1259  */
1260 int connman_device_set_carrier(struct connman_device *device,
1261                                                 connman_bool_t carrier)
1262 {
1263         DBG("device %p carrier %d", device, carrier);
1264
1265         switch (device->mode) {
1266         case CONNMAN_DEVICE_MODE_UNKNOWN:
1267         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1268         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1269                 return -EINVAL;
1270         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1271                 break;
1272         }
1273
1274         if (device->carrier == carrier)
1275                 return -EALREADY;
1276
1277         device->carrier = carrier;
1278
1279         return set_carrier(device, device->carrier);
1280 }
1281
1282 int __connman_device_scan(struct connman_device *device)
1283 {
1284         if (!device->driver || !device->driver->scan)
1285                 return -EOPNOTSUPP;
1286
1287         if (device->powered == FALSE)
1288                 return -ENOLINK;
1289
1290         reset_scan_trigger(device);
1291
1292         return device->driver->scan(device);
1293 }
1294
1295 int __connman_device_enable(struct connman_device *device)
1296 {
1297         enum connman_service_type type;
1298         int err;
1299
1300         DBG("device %p", device);
1301
1302         if (!device->driver || !device->driver->enable)
1303                 return -EOPNOTSUPP;
1304
1305         if (device->powered_pending == TRUE)
1306                 return -EALREADY;
1307
1308         device->powered_pending = TRUE;
1309
1310         err = device->driver->enable(device);
1311         if (err < 0)
1312                 return err;
1313
1314         device->powered = TRUE;
1315
1316         type = __connman_device_get_service_type(device);
1317         __connman_notifier_enable(type);
1318
1319         return 0;
1320 }
1321
1322 int __connman_device_enable_persistent(struct connman_device *device)
1323 {
1324         DBG("device %p", device);
1325
1326         device->powered_persistent = TRUE;
1327
1328         __connman_storage_save_device(device);
1329
1330         return __connman_device_enable(device);
1331 }
1332
1333 int __connman_device_disable(struct connman_device *device)
1334 {
1335         enum connman_service_type type;
1336         int err;
1337
1338         DBG("device %p", device);
1339
1340         if (!device->driver || !device->driver->disable)
1341                 return -EOPNOTSUPP;
1342
1343         if (device->powered == FALSE)
1344                 return -ENOLINK;
1345
1346         if (device->powered_pending == FALSE)
1347                 return -EALREADY;
1348
1349         device->powered_pending = FALSE;
1350
1351         clear_scan_trigger(device);
1352
1353         g_hash_table_remove_all(device->networks);
1354
1355         err = device->driver->disable(device);
1356         if (err < 0)
1357                 return err;
1358
1359         device->powered = FALSE;
1360
1361         type = __connman_device_get_service_type(device);
1362         __connman_notifier_disable(type);
1363
1364         return 0;
1365 }
1366
1367 int __connman_device_disable_persistent(struct connman_device *device)
1368 {
1369         DBG("device %p", device);
1370
1371         device->powered_persistent = FALSE;
1372
1373         __connman_storage_save_device(device);
1374
1375         return __connman_device_disable(device);
1376 }
1377
1378 int __connman_device_connect(struct connman_device *device)
1379 {
1380         DBG("device %p", device);
1381
1382         if (device->disconnected == FALSE)
1383                 return -EINVAL;
1384
1385         if (device->driver && device->driver->connect)
1386                 device->driver->connect(device);
1387
1388         return 0;
1389 }
1390
1391 int __connman_device_disconnect(struct connman_device *device)
1392 {
1393         GHashTableIter iter;
1394         gpointer key, value;
1395
1396         DBG("device %p", device);
1397
1398         connman_device_set_disconnected(device, TRUE);
1399
1400         g_hash_table_iter_init(&iter, device->networks);
1401
1402         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1403                 struct connman_network *network = value;
1404
1405                 __connman_network_disconnect(network);
1406         }
1407
1408         if (device->driver && device->driver->disconnect)
1409                 device->driver->disconnect(device);
1410
1411         return 0;
1412 }
1413
1414 static void mark_network_unavailable(gpointer key, gpointer value,
1415                                                         gpointer user_data)
1416 {
1417         struct connman_network *network = value;
1418
1419         if (connman_network_get_connected(network) == TRUE)
1420                 return;
1421
1422         connman_network_set_available(network, FALSE);
1423 }
1424
1425 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1426                                                         gpointer user_data)
1427 {
1428         struct connman_network *network = value;
1429
1430         if (connman_network_get_connected(network) == TRUE)
1431                 return FALSE;
1432
1433         if (connman_network_get_available(network) == TRUE)
1434                 return FALSE;
1435
1436         return TRUE;
1437 }
1438
1439 void __connman_device_cleanup_networks(struct connman_device *device)
1440 {
1441         g_hash_table_foreach_remove(device->networks,
1442                                         remove_unavailable_network, NULL);
1443 }
1444
1445 /**
1446  * connman_device_set_scanning:
1447  * @device: device structure
1448  * @scanning: scanning state
1449  *
1450  * Change scanning state of device
1451  */
1452 int connman_device_set_scanning(struct connman_device *device,
1453                                                 connman_bool_t scanning)
1454 {
1455         DBusMessage *signal;
1456         DBusMessageIter entry, value;
1457         const char *key = "Scanning";
1458
1459         DBG("device %p scanning %d", device, scanning);
1460
1461         if (!device->driver || !device->driver->scan)
1462                 return -EINVAL;
1463
1464         if (device->scanning == scanning)
1465                 return -EALREADY;
1466
1467         device->scanning = scanning;
1468
1469         signal = dbus_message_new_signal(device->element.path,
1470                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1471         if (signal == NULL)
1472                 return 0;
1473
1474         dbus_message_iter_init_append(signal, &entry);
1475
1476         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1477
1478         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1479                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1480         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
1481         dbus_message_iter_close_container(&entry, &value);
1482
1483         g_dbus_send_message(connection, signal);
1484
1485         if (scanning == TRUE) {
1486                 reset_scan_trigger(device);
1487
1488                 g_hash_table_foreach(device->networks,
1489                                         mark_network_unavailable, NULL);
1490
1491                 return 0;
1492         }
1493
1494         __connman_device_cleanup_networks(device);
1495
1496         if (device->connections > 0)
1497                 return 0;
1498
1499         if (device->disconnected == TRUE)
1500                 return 0;
1501
1502         __connman_service_auto_connect();
1503
1504         return 0;
1505 }
1506
1507 /**
1508  * connman_device_set_disconnected:
1509  * @device: device structure
1510  * @disconnected: disconnected state
1511  *
1512  * Change disconnected state of device (only for device with networks)
1513  */
1514 int connman_device_set_disconnected(struct connman_device *device,
1515                                                 connman_bool_t disconnected)
1516 {
1517         DBG("device %p disconnected %d", device, disconnected);
1518
1519         switch (device->mode) {
1520         case CONNMAN_DEVICE_MODE_UNKNOWN:
1521         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1522                 return -EINVAL;
1523         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1524         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1525                 break;
1526         }
1527
1528         if (device->disconnected == disconnected)
1529                 return -EALREADY;
1530
1531         device->disconnected = disconnected;
1532
1533         if (disconnected == TRUE)
1534                 force_scan_trigger(device);
1535
1536         return 0;
1537 }
1538
1539 /**
1540  * connman_device_get_disconnected:
1541  * @device: device structure
1542  *
1543  * Get device disconnected state
1544  */
1545 connman_bool_t connman_device_get_disconnected(struct connman_device *device)
1546 {
1547         return device->disconnected;
1548 }
1549
1550 /**
1551  * connman_device_set_connected:
1552  * @device: device structure
1553  * @connected: connected state
1554  *
1555  * Change connected state of device (for Ethernet like devices)
1556  */
1557 int connman_device_set_connected(struct connman_device *device,
1558                                                 connman_bool_t connected)
1559 {
1560         DBG("device %p connected %d", device, connected);
1561
1562         switch (device->mode) {
1563         case CONNMAN_DEVICE_MODE_UNKNOWN:
1564         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1565         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1566                 return -EINVAL;
1567         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1568                 break;
1569         }
1570
1571         if (device->carrier == FALSE)
1572                 return -ENOTCONN;
1573
1574         return set_connected(device, connected);
1575 }
1576
1577 /**
1578  * connman_device_set_string:
1579  * @device: device structure
1580  * @key: unique identifier
1581  * @value: string value
1582  *
1583  * Set string value for specific key
1584  */
1585 int connman_device_set_string(struct connman_device *device,
1586                                         const char *key, const char *value)
1587 {
1588         DBG("device %p key %s value %s", device, key, value);
1589
1590         if (g_str_equal(key, "Address") == TRUE) {
1591                 g_free(device->address);
1592                 device->address = g_strdup(value);
1593         } else if (g_str_equal(key, "Name") == TRUE) {
1594                 g_free(device->name);
1595                 device->name = g_strdup(value);
1596         } else if (g_str_equal(key, "Node") == TRUE) {
1597                 g_free(device->node);
1598                 device->node = g_strdup(value);
1599         }
1600
1601         return connman_element_set_string(&device->element, key, value);
1602 }
1603
1604 /**
1605  * connman_device_get_string:
1606  * @device: device structure
1607  * @key: unique identifier
1608  *
1609  * Get string value for specific key
1610  */
1611 const char *connman_device_get_string(struct connman_device *device,
1612                                                         const char *key)
1613 {
1614         DBG("device %p key %s", device, key);
1615
1616         if (g_str_equal(key, "Address") == TRUE)
1617                 return device->address;
1618         else if (g_str_equal(key, "Name") == TRUE)
1619                 return device->name;
1620         else if (g_str_equal(key, "Node") == TRUE)
1621                 return device->node;
1622
1623         return connman_element_get_string(&device->element, key);
1624 }
1625
1626 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1627 {
1628         struct connman_device *device = element->device;
1629         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1630         connman_bool_t powered;
1631
1632         DBG("element %p name %s", element, element->name);
1633
1634         if (device == NULL)
1635                 return;
1636
1637         device->offlinemode = offlinemode;
1638
1639         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1640
1641         if (device->powered == powered)
1642                 return;
1643
1644         if (device->powered_persistent == FALSE)
1645                 powered = FALSE;
1646
1647         set_powered(device, powered);
1648 }
1649
1650 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1651 {
1652         DBG("offlinmode %d", offlinemode);
1653
1654         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1655                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1656
1657         __connman_notifier_offlinemode(offlinemode);
1658
1659         return 0;
1660 }
1661
1662 void __connman_device_increase_connections(struct connman_device *device)
1663 {
1664         device->connections++;
1665 }
1666
1667 void __connman_device_decrease_connections(struct connman_device *device)
1668 {
1669         device->connections--;
1670 }
1671
1672 /**
1673  * connman_device_add_network:
1674  * @device: device structure
1675  * @network: network structure
1676  *
1677  * Add new network to the device
1678  */
1679 int connman_device_add_network(struct connman_device *device,
1680                                         struct connman_network *network)
1681 {
1682         const char *identifier = connman_network_get_identifier(network);
1683         int err;
1684
1685         DBG("device %p network %p", device, network);
1686
1687         switch (device->mode) {
1688         case CONNMAN_DEVICE_MODE_UNKNOWN:
1689         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1690                 return -EINVAL;
1691         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1692         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1693                 break;
1694         }
1695
1696         __connman_network_set_device(network, device);
1697
1698         err = connman_element_register((struct connman_element *) network,
1699                                                         &device->element);
1700         if (err < 0) {
1701                 __connman_network_set_device(network, NULL);
1702                 return err;
1703         }
1704
1705         g_hash_table_insert(device->networks, g_strdup(identifier),
1706                                                                 network);
1707
1708         return 0;
1709 }
1710
1711 /**
1712  * connman_device_get_network:
1713  * @device: device structure
1714  * @identifier: network identifier
1715  *
1716  * Get network for given identifier
1717  */
1718 struct connman_network *connman_device_get_network(struct connman_device *device,
1719                                                         const char *identifier)
1720 {
1721         DBG("device %p identifier %s", device, identifier);
1722
1723         return g_hash_table_lookup(device->networks, identifier);
1724 }
1725
1726 /**
1727  * connman_device_remove_network:
1728  * @device: device structure
1729  * @identifier: network identifier
1730  *
1731  * Remove network for given identifier
1732  */
1733 int connman_device_remove_network(struct connman_device *device,
1734                                                         const char *identifier)
1735 {
1736         DBG("device %p identifier %s", device, identifier);
1737
1738         g_hash_table_remove(device->networks, identifier);
1739
1740         return 0;
1741 }
1742
1743 void __connman_device_set_network(struct connman_device *device,
1744                                         struct connman_network *network)
1745 {
1746         const char *name;
1747
1748         if (device->network == network)
1749                 return;
1750
1751         if (device->network != NULL)
1752                 connman_network_unref(device->network);
1753
1754         if (network != NULL) {
1755                 name = connman_network_get_string(network,
1756                                                 CONNMAN_PROPERTY_ID_NAME);
1757                 g_free(device->last_network);
1758                 device->last_network = g_strdup(name);
1759
1760                 device->network = connman_network_ref(network);
1761         } else {
1762                 g_free(device->last_network);
1763                 device->last_network = NULL;
1764
1765                 device->network = NULL;
1766         }
1767 }
1768
1769 /**
1770  * connman_device_register:
1771  * @device: device structure
1772  *
1773  * Register device with the system
1774  */
1775 int connman_device_register(struct connman_device *device)
1776 {
1777         __connman_storage_load_device(device);
1778
1779         device->offlinemode = __connman_profile_get_offlinemode();
1780
1781         return connman_element_register(&device->element, NULL);
1782 }
1783
1784 /**
1785  * connman_device_unregister:
1786  * @device: device structure
1787  *
1788  * Unregister device with the system
1789  */
1790 void connman_device_unregister(struct connman_device *device)
1791 {
1792         __connman_storage_save_device(device);
1793
1794         connman_element_unregister(&device->element);
1795 }
1796
1797 /**
1798  * connman_device_get_data:
1799  * @device: device structure
1800  *
1801  * Get private device data pointer
1802  */
1803 void *connman_device_get_data(struct connman_device *device)
1804 {
1805         return device->driver_data;
1806 }
1807
1808 /**
1809  * connman_device_set_data:
1810  * @device: device structure
1811  * @data: data pointer
1812  *
1813  * Set private device data pointer
1814  */
1815 void connman_device_set_data(struct connman_device *device, void *data)
1816 {
1817         device->driver_data = data;
1818 }
1819
1820 static gboolean match_driver(struct connman_device *device,
1821                                         struct connman_device_driver *driver)
1822 {
1823         if (device->type == driver->type ||
1824                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1825                 return TRUE;
1826
1827         return FALSE;
1828 }
1829
1830 static int device_probe(struct connman_element *element)
1831 {
1832         struct connman_device *device = element->device;
1833         GSList *list;
1834
1835         DBG("element %p name %s", element, element->name);
1836
1837         if (device == NULL)
1838                 return -ENODEV;
1839
1840         if (device->driver != NULL)
1841                 return -EALREADY;
1842
1843         for (list = driver_list; list; list = list->next) {
1844                 struct connman_device_driver *driver = list->data;
1845
1846                 if (match_driver(device, driver) == FALSE)
1847                         continue;
1848
1849                 DBG("driver %p name %s", driver, driver->name);
1850
1851                 if (driver->probe(device) == 0) {
1852                         device->driver = driver;
1853                         break;
1854                 }
1855         }
1856
1857         if (device->driver == NULL)
1858                 return -ENODEV;
1859
1860         return setup_device(device);
1861 }
1862
1863 static void device_remove(struct connman_element *element)
1864 {
1865         struct connman_device *device = element->device;
1866
1867         DBG("element %p name %s", element, element->name);
1868
1869         if (device == NULL)
1870                 return;
1871
1872         if (device->driver == NULL)
1873                 return;
1874
1875         remove_device(device);
1876 }
1877
1878 static struct connman_driver device_driver = {
1879         .name           = "device",
1880         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1881         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1882         .probe          = device_probe,
1883         .remove         = device_remove,
1884 };
1885
1886 static int device_load(struct connman_device *device)
1887 {
1888         const char *ident = __connman_profile_active_ident();
1889         GKeyFile *keyfile;
1890         GError *error = NULL;
1891         gchar *identifier;
1892         connman_bool_t powered;
1893         int val;
1894
1895         DBG("device %p", device);
1896
1897         keyfile = __connman_storage_open(ident);
1898         if (keyfile == NULL)
1899                 return 0;
1900
1901         identifier = g_strdup_printf("device_%s", device->element.name);
1902         if (identifier == NULL)
1903                 goto done;
1904
1905         powered = g_key_file_get_boolean(keyfile, identifier,
1906                                                 "Powered", &error);
1907         if (error == NULL)
1908                 device->powered_persistent = powered;
1909         g_clear_error(&error);
1910
1911         switch (device->mode) {
1912         case CONNMAN_DEVICE_MODE_UNKNOWN:
1913         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1914                 break;
1915         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1916         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1917                 val = g_key_file_get_integer(keyfile, identifier,
1918                                                 "ScanInterval", &error);
1919                 if (error == NULL && val > 0)
1920                         device->scan_interval = val;
1921                 g_clear_error(&error);
1922                 break;
1923         }
1924
1925 done:
1926         g_free(identifier);
1927
1928         __connman_storage_close(ident, keyfile, FALSE);
1929
1930         return 0;
1931 }
1932
1933 static int device_save(struct connman_device *device)
1934 {
1935         const char *ident = __connman_profile_active_ident();
1936         GKeyFile *keyfile;
1937         gchar *identifier;
1938
1939         DBG("device %p", device);
1940
1941         keyfile = __connman_storage_open(ident);
1942         if (keyfile == NULL)
1943                 return 0;
1944
1945         identifier = g_strdup_printf("device_%s", device->element.name);
1946         if (identifier == NULL)
1947                 goto done;
1948
1949         g_key_file_set_boolean(keyfile, identifier,
1950                                         "Powered", device->powered_persistent);
1951
1952         switch (device->mode) {
1953         case CONNMAN_DEVICE_MODE_UNKNOWN:
1954         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1955                 break;
1956         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1957         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1958                 if (device->scan_interval > 0)
1959                         g_key_file_set_integer(keyfile, identifier,
1960                                         "ScanInterval", device->scan_interval);
1961                 break;
1962         }
1963
1964 done:
1965         g_free(identifier);
1966
1967         __connman_storage_close(ident, keyfile, TRUE);
1968
1969         return 0;
1970 }
1971
1972 static struct connman_storage device_storage = {
1973         .name           = "device",
1974         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1975         .device_load    = device_load,
1976         .device_save    = device_save,
1977 };
1978
1979 int __connman_device_init(void)
1980 {
1981         DBG("");
1982
1983         connection = connman_dbus_get_connection();
1984
1985         if (connman_storage_register(&device_storage) < 0)
1986                 connman_error("Failed to register device storage");
1987
1988         return connman_driver_register(&device_driver);
1989 }
1990
1991 void __connman_device_cleanup(void)
1992 {
1993         DBG("");
1994
1995         connman_driver_unregister(&device_driver);
1996
1997         connman_storage_unregister(&device_storage);
1998
1999         dbus_connection_unref(connection);
2000 }