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

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <errno.h>
  27 #include <string.h>
  28
  29 #include <gdbus.h>
  30
  31 #include "connman.h"
  32
  33 struct connman_device {
  34         struct connman_element element;
  35         enum connman_device_type type;
  36         enum connman_device_mode mode;
  37         enum connman_device_policy policy;
  38         connman_bool_t powered;
  39         connman_bool_t carrier;
  40         connman_bool_t scanning;
  41         connman_bool_t disconnected;
  42         connman_uint8_t priority;
  43         connman_uint16_t scan_interval;
  44         char *name;
  45         char *node;
  46         char *interface;
  47         unsigned int connections;
  48         guint scan_timeout;
  49
  50         struct connman_device_driver *driver;
  51         void *driver_data;
  52
  53         connman_bool_t registered;
  54
  55         char *last_network;
  56         struct connman_network *network;
  57         GHashTable *networks;
  58 };
  59
  60 static gboolean device_scan_trigger(gpointer user_data)
  61 {
  62         struct connman_device *device = user_data;
  63
  64         DBG("device %p", device);
  65
  66         if (device->driver == NULL) {
  67                 device->scan_timeout = 0;
  68                 return FALSE;
  69         }
  70
  71         if (device->driver->scan)
  72                 device->driver->scan(device);
  73
  74         return TRUE;
  75 }
  76
  77 static const char *type2description(enum connman_device_type type)
  78 {
  79         switch (type) {
  80         case CONNMAN_DEVICE_TYPE_UNKNOWN:
  81         case CONNMAN_DEVICE_TYPE_VENDOR:
  82                 break;
  83         case CONNMAN_DEVICE_TYPE_ETHERNET:
  84                 return "Ethernet";
  85         case CONNMAN_DEVICE_TYPE_WIFI:
  86                 return "Wireless";
  87         case CONNMAN_DEVICE_TYPE_WIMAX:
  88                 return "WiMAX";
  89         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
  90                 return "Bluetooth";
  91         case CONNMAN_DEVICE_TYPE_HSO:
  92         case CONNMAN_DEVICE_TYPE_NOZOMI:
  93         case CONNMAN_DEVICE_TYPE_HUAWEI:
  94         case CONNMAN_DEVICE_TYPE_NOVATEL:
  95                 return "Cellular";
  96         }
  97
  98         return NULL;
  99 }
 100
 101 static const char *type2string(enum connman_device_type type)
 102 {
 103         switch (type) {
 104         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 105         case CONNMAN_DEVICE_TYPE_VENDOR:
 106                 break;
 107         case CONNMAN_DEVICE_TYPE_ETHERNET:
 108                 return "ethernet";
 109         case CONNMAN_DEVICE_TYPE_WIFI:
 110                 return "wifi";
 111         case CONNMAN_DEVICE_TYPE_WIMAX:
 112                 return "wimax";
 113         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 114                 return "bluetooth";
 115         case CONNMAN_DEVICE_TYPE_HSO:
 116         case CONNMAN_DEVICE_TYPE_HUAWEI:
 117         case CONNMAN_DEVICE_TYPE_NOZOMI:
 118         case CONNMAN_DEVICE_TYPE_NOVATEL:
 119                 return "cellular";
 120         }
 121
 122         return NULL;
 123 }
 124
 125 static const char *policy2string(enum connman_device_policy policy)
 126 {
 127         switch (policy) {
 128         case CONNMAN_DEVICE_POLICY_UNKNOWN:
 129                 break;
 130         case CONNMAN_DEVICE_POLICY_IGNORE:
 131                 return "ignore";
 132         case CONNMAN_DEVICE_POLICY_OFF:
 133                 return "off";
 134         case CONNMAN_DEVICE_POLICY_AUTO:
 135                 return "auto";
 136         case CONNMAN_DEVICE_POLICY_MANUAL:
 137                 return "manual";
 138         }
 139
 140         return NULL;
 141 }
 142
 143 static enum connman_device_policy string2policy(const char *policy)
 144 {
 145         if (g_str_equal(policy, "ignore") == TRUE)
 146                 return CONNMAN_DEVICE_POLICY_IGNORE;
 147         else if (g_str_equal(policy, "off") == TRUE)
 148                 return CONNMAN_DEVICE_POLICY_OFF;
 149         else if (g_str_equal(policy, "auto") == TRUE)
 150                 return CONNMAN_DEVICE_POLICY_AUTO;
 151         else if (g_str_equal(policy, "manual") == TRUE)
 152                 return CONNMAN_DEVICE_POLICY_MANUAL;
 153         else
 154                 return CONNMAN_DEVICE_POLICY_UNKNOWN;
 155 }
 156
 157 static int set_powered(struct connman_device *device, connman_bool_t powered)
 158 {
 159         struct connman_device_driver *driver = device->driver;
 160         int err;
 161
 162         DBG("device %p powered %d", device, powered);
 163
 164         if (!driver)
 165                 return -EINVAL;
 166
 167         if (powered == TRUE) {
 168                 if (driver->enable)
 169                         err = driver->enable(device);
 170                 else
 171                         err = -EINVAL;
 172         } else {
 173                 g_hash_table_remove_all(device->networks);
 174
 175                 if (driver->disable)
 176                         err = driver->disable(device);
 177                 else
 178                         err = -EINVAL;
 179         }
 180
 181         return err;
 182 }
 183
 184 static int set_policy(DBusConnection *connection,
 185                                 struct connman_device *device,
 186                                         enum connman_device_policy policy)
 187 {
 188         DBusMessage *signal;
 189         DBusMessageIter entry, value;
 190         const char *str, *key = "Policy";
 191         int err = 0;
 192
 193         DBG("device %p policy %d", device, policy);
 194
 195         if (device->policy == policy)
 196                 return 0;
 197
 198         switch (policy) {
 199         case CONNMAN_DEVICE_POLICY_UNKNOWN:
 200                 return -EINVAL;
 201         case CONNMAN_DEVICE_POLICY_IGNORE:
 202                 break;
 203         case CONNMAN_DEVICE_POLICY_OFF:
 204                 if (device->powered == TRUE)
 205                         err = set_powered(device, FALSE);
 206                 break;
 207         case CONNMAN_DEVICE_POLICY_AUTO:
 208         case CONNMAN_DEVICE_POLICY_MANUAL:
 209                 if (device->powered == FALSE)
 210                         err = set_powered(device, TRUE);
 211                 break;
 212         }
 213
 214         if (err < 0)
 215                 return err;
 216
 217         device->policy = policy;
 218
 219         signal = dbus_message_new_signal(device->element.path,
 220                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 221         if (signal == NULL)
 222                 return 0;
 223
 224         dbus_message_iter_init_append(signal, &entry);
 225
 226         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 227
 228         str = policy2string(policy);
 229
 230         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 231                                         DBUS_TYPE_STRING_AS_STRING, &value);
 232         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &str);
 233         dbus_message_iter_close_container(&entry, &value);
 234
 235         g_dbus_send_message(connection, signal);
 236
 237         return 0;
 238 }
 239
 240 static void append_networks(struct connman_device *device,
 241                                                 DBusMessageIter *entry)
 242 {
 243         DBusMessageIter value, iter;
 244         const char *key = "Networks";
 245
 246         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 247
 248         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 249                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 250                                                                 &value);
 251
 252         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 253                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 254         __connman_element_list((struct connman_element *) device,
 255                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 256         dbus_message_iter_close_container(&value, &iter);
 257
 258         dbus_message_iter_close_container(entry, &value);
 259 }
 260
 261 static DBusMessage *get_properties(DBusConnection *conn,
 262                                         DBusMessage *msg, void *data)
 263 {
 264         struct connman_device *device = data;
 265         DBusMessage *reply;
 266         DBusMessageIter array, dict, entry;
 267         const char *str;
 268
 269         DBG("conn %p", conn);
 270
 271         if (__connman_security_check_privilege(msg,
 272                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 273                 return __connman_error_permission_denied(msg);
 274
 275         reply = dbus_message_new_method_return(msg);
 276         if (reply == NULL)
 277                 return NULL;
 278
 279         dbus_message_iter_init_append(reply, &array);
 280
 281         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 282                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 283                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 284                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 285
 286         str = type2description(device->type);
 287         if (str != NULL && device->interface != NULL) {
 288                 char *name = g_strdup_printf("%s (%s)", str, device->interface);
 289                 if (name != NULL)
 290                         connman_dbus_dict_append_variant(&dict, "Name",
 291                                                 DBUS_TYPE_STRING, &name);
 292                 g_free(name);
 293         }
 294
 295         str = type2string(device->type);
 296         if (str != NULL)
 297                 connman_dbus_dict_append_variant(&dict, "Type",
 298                                                 DBUS_TYPE_STRING, &str);
 299
 300         if (device->interface != NULL)
 301                 connman_dbus_dict_append_variant(&dict, "Interface",
 302                                         DBUS_TYPE_STRING, &device->interface);
 303
 304         str = policy2string(device->policy);
 305         if (str != NULL)
 306                 connman_dbus_dict_append_variant(&dict, "Policy",
 307                                                 DBUS_TYPE_STRING, &str);
 308
 309         if (device->priority > 0)
 310                 connman_dbus_dict_append_variant(&dict, "Priority",
 311                                         DBUS_TYPE_BYTE, &device->priority);
 312
 313         connman_dbus_dict_append_variant(&dict, "Powered",
 314                                         DBUS_TYPE_BOOLEAN, &device->powered);
 315
 316         if (device->driver && device->driver->scan)
 317                 connman_dbus_dict_append_variant(&dict, "Scanning",
 318                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 319
 320         switch (device->mode) {
 321         case CONNMAN_DEVICE_MODE_UNKNOWN:
 322                 break;
 323         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 324                 __connman_element_append_ipv4(&device->element, &dict);
 325                 break;
 326         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 327         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 328                 if (device->scan_interval > 0)
 329                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 330                                 DBUS_TYPE_UINT16, &device->scan_interval);
 331
 332                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 333                                                                 NULL, &entry);
 334                 append_networks(device, &entry);
 335                 dbus_message_iter_close_container(&dict, &entry);
 336                 break;
 337         }
 338
 339         dbus_message_iter_close_container(&array, &dict);
 340
 341         return reply;
 342 }
 343
 344 static DBusMessage *set_property(DBusConnection *conn,
 345                                         DBusMessage *msg, void *data)
 346 {
 347         struct connman_device *device = data;
 348         DBusMessageIter iter, value;
 349         const char *name;
 350         int type;
 351
 352         DBG("conn %p", conn);
 353
 354         if (dbus_message_iter_init(msg, &iter) == FALSE)
 355                 return __connman_error_invalid_arguments(msg);
 356
 357         dbus_message_iter_get_basic(&iter, &name);
 358         dbus_message_iter_next(&iter);
 359         dbus_message_iter_recurse(&iter, &value);
 360
 361         if (__connman_security_check_privilege(msg,
 362                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 363                 return __connman_error_permission_denied(msg);
 364
 365         type = dbus_message_iter_get_arg_type(&value);
 366
 367         if (g_str_equal(name, "Powered") == TRUE) {
 368                 connman_bool_t powered;
 369                 int err;
 370
 371                 if (type != DBUS_TYPE_BOOLEAN)
 372                         return __connman_error_invalid_arguments(msg);
 373
 374                 dbus_message_iter_get_basic(&value, &powered);
 375
 376                 if (device->powered == powered)
 377                         return __connman_error_invalid_arguments(msg);
 378
 379                 err = set_powered(device, powered);
 380                 if (err < 0 && err != -EINPROGRESS)
 381                         return __connman_error_failed(msg);
 382         } else if (g_str_equal(name, "Policy") == TRUE) {
 383                 enum connman_device_policy policy;
 384                 const char *str;
 385                 int err;
 386
 387                 if (type != DBUS_TYPE_STRING)
 388                         return __connman_error_invalid_arguments(msg);
 389
 390                 dbus_message_iter_get_basic(&value, &str);
 391                 policy = string2policy(str);
 392                 if (policy == CONNMAN_DEVICE_POLICY_UNKNOWN)
 393                         return __connman_error_invalid_arguments(msg);
 394
 395                 err = set_policy(conn, device, policy);
 396                 if (err < 0)
 397                         return __connman_error_failed(msg);
 398         } else if (g_str_equal(name, "Priority") == TRUE) {
 399                 connman_uint8_t priority;
 400
 401                 if (type != DBUS_TYPE_BYTE)
 402                         return __connman_error_invalid_arguments(msg);
 403
 404                 dbus_message_iter_get_basic(&value, &priority);
 405
 406                 device->priority = priority;
 407         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 408                 connman_uint16_t interval;
 409
 410                 switch (device->mode) {
 411                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 412                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 413                         return __connman_error_invalid_arguments(msg);
 414                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 415                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 416                         break;
 417                 }
 418
 419                 if (type != DBUS_TYPE_UINT16)
 420                         return __connman_error_invalid_arguments(msg);
 421
 422                 dbus_message_iter_get_basic(&value, &interval);
 423
 424                 device->scan_interval = interval;
 425
 426                 if (device->scan_timeout > 0) {
 427                         g_source_remove(device->scan_timeout);
 428                         device->scan_timeout = 0;
 429                 }
 430
 431                 if (device->scan_interval > 0) {
 432                         guint interval = device->scan_interval;
 433                         device->scan_timeout = g_timeout_add_seconds(interval,
 434                                                 device_scan_trigger, device);
 435                 }
 436         } else if (g_str_has_prefix(name, "IPv4") == TRUE) {
 437                 switch (device->mode) {
 438                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 439                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 440                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 441                         return __connman_error_invalid_arguments(msg);
 442                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 443                         __connman_element_set_ipv4(&device->element,
 444                                                                 name, &value);
 445                         break;
 446                 }
 447         }
 448
 449         __connman_storage_save_device(device);
 450
 451         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 452 }
 453
 454 static DBusMessage *create_network(DBusConnection *conn,
 455                                         DBusMessage *msg, void *data)
 456 {
 457         DBG("conn %p", conn);
 458
 459         if (__connman_security_check_privilege(msg,
 460                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 461                 return __connman_error_permission_denied(msg);
 462
 463         return __connman_error_invalid_arguments(msg);
 464 }
 465
 466 static DBusMessage *remove_network(DBusConnection *conn,
 467                                         DBusMessage *msg, void *data)
 468 {
 469         DBG("conn %p", conn);
 470
 471         if (__connman_security_check_privilege(msg,
 472                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 473                 return __connman_error_permission_denied(msg);
 474
 475         return __connman_error_invalid_arguments(msg);
 476 }
 477
 478 static DBusMessage *propose_scan(DBusConnection *conn,
 479                                         DBusMessage *msg, void *data)
 480 {
 481         struct connman_device *device = data;
 482         int err;
 483
 484         DBG("conn %p", conn);
 485
 486         switch (device->mode) {
 487         case CONNMAN_DEVICE_MODE_UNKNOWN:
 488         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 489                 return __connman_error_not_supported(msg);
 490         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 491         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 492                 break;
 493         }
 494
 495         if (!device->driver || !device->driver->scan)
 496                 return __connman_error_not_supported(msg);
 497
 498         if (device->powered == FALSE)
 499                 return __connman_error_failed(msg);
 500
 501         err = device->driver->scan(device);
 502         if (err < 0)
 503                 return __connman_error_failed(msg);
 504
 505         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 506 }
 507
 508 static GDBusMethodTable device_methods[] = {
 509         { "GetProperties", "",      "a{sv}", get_properties },
 510         { "SetProperty",   "sv",    "",      set_property   },
 511         { "CreateNetwork", "a{sv}", "o",     create_network },
 512         { "RemoveNetwork", "o",     "",      remove_network },
 513         { "ProposeScan",   "",      "",      propose_scan   },
 514         { },
 515 };
 516
 517 static GDBusSignalTable device_signals[] = {
 518         { "PropertyChanged", "sv" },
 519         { },
 520 };
 521
 522 static DBusConnection *connection;
 523
 524 static void append_devices(DBusMessageIter *entry)
 525 {
 526         DBusMessageIter value, iter;
 527         const char *key = "Devices";
 528
 529         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 530
 531         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 532                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 533                                                                 &value);
 534
 535         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 536                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 537         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 538         dbus_message_iter_close_container(&value, &iter);
 539
 540         dbus_message_iter_close_container(entry, &value);
 541 }
 542
 543 static void emit_devices_signal(void)
 544 {
 545         DBusMessage *signal;
 546         DBusMessageIter entry;
 547
 548         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 549                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 550         if (signal == NULL)
 551                 return;
 552
 553         dbus_message_iter_init_append(signal, &entry);
 554
 555         append_devices(&entry);
 556
 557         g_dbus_send_message(connection, signal);
 558 }
 559
 560 static int register_interface(struct connman_element *element)
 561 {
 562         struct connman_device *device = element->device;
 563
 564         DBG("element %p name %s", element, element->name);
 565
 566         if (g_dbus_register_interface(connection, element->path,
 567                                         CONNMAN_DEVICE_INTERFACE,
 568                                         device_methods, device_signals,
 569                                         NULL, device, NULL) == FALSE) {
 570                 connman_error("Failed to register %s device", element->path);
 571                 return -EIO;
 572         }
 573
 574         device->registered = TRUE;
 575
 576         emit_devices_signal();
 577
 578         return 0;
 579 }
 580
 581 static void unregister_interface(struct connman_element *element)
 582 {
 583         struct connman_device *device = element->device;
 584
 585         DBG("element %p name %s", element, element->name);
 586
 587         device->registered = FALSE;
 588
 589         emit_devices_signal();
 590
 591         g_dbus_unregister_interface(connection, element->path,
 592                                                 CONNMAN_DEVICE_INTERFACE);
 593 }
 594
 595 static void device_enable(struct connman_device *device)
 596 {
 597         DBG("device %p", device);
 598
 599         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE ||
 600                                 device->policy == CONNMAN_DEVICE_POLICY_OFF)
 601                 return;
 602
 603         if (device->powered == TRUE)
 604                 return;
 605
 606         if (device->driver->enable)
 607                 device->driver->enable(device);
 608 }
 609
 610 static void device_disable(struct connman_device *device)
 611 {
 612         DBG("device %p", device);
 613
 614         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE)
 615                 return;
 616
 617         if (device->powered == FALSE)
 618                 return;
 619
 620         g_hash_table_remove_all(device->networks);
 621
 622         if (device->driver->disable)
 623                 device->driver->disable(device);
 624 }
 625
 626 static int setup_device(struct connman_device *device)
 627 {
 628         int err;
 629
 630         DBG("device %p", device);
 631
 632         err = register_interface(&device->element);
 633         if (err < 0) {
 634                 if (device->driver->remove)
 635                         device->driver->remove(device);
 636                 device->driver = NULL;
 637                 return err;
 638         }
 639
 640         device_enable(device);
 641
 642         return 0;
 643 }
 644
 645 static void probe_driver(struct connman_element *element, gpointer user_data)
 646 {
 647         struct connman_device_driver *driver = user_data;
 648
 649         DBG("element %p name %s", element, element->name);
 650
 651         if (element->device == NULL)
 652                 return;
 653
 654         if (element->device->driver != NULL)
 655                 return;
 656
 657         if (driver->probe(element->device) < 0)
 658                 return;
 659
 660         element->device->driver = driver;
 661
 662         setup_device(element->device);
 663 }
 664
 665 static void remove_device(struct connman_device *device)
 666 {
 667         DBG("device %p", device);
 668
 669         device_disable(device);
 670
 671         unregister_interface(&device->element);
 672
 673         if (device->driver->remove)
 674                 device->driver->remove(device);
 675
 676         device->driver = NULL;
 677 }
 678
 679 static void remove_driver(struct connman_element *element, gpointer user_data)
 680 {
 681         struct connman_device_driver *driver = user_data;
 682
 683         DBG("element %p name %s", element, element->name);
 684
 685         if (element->device == NULL)
 686                 return;
 687
 688         if (element->device->driver == driver)
 689                 remove_device(element->device);
 690 }
 691
 692 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 693 {
 694         if (device == NULL || device->driver == NULL)
 695                 return FALSE;
 696
 697         return device->registered;
 698 }
 699
 700 static GSList *driver_list = NULL;
 701
 702 static gint compare_priority(gconstpointer a, gconstpointer b)
 703 {
 704         const struct connman_device_driver *driver1 = a;
 705         const struct connman_device_driver *driver2 = b;
 706
 707         return driver2->priority - driver1->priority;
 708 }
 709
 710 /**
 711  * connman_device_driver_register:
 712  * @driver: device driver definition
 713  *
 714  * Register a new device driver
 715  *
 716  * Returns: %0 on success
 717  */
 718 int connman_device_driver_register(struct connman_device_driver *driver)
 719 {
 720         DBG("driver %p name %s", driver, driver->name);
 721
 722         driver_list = g_slist_insert_sorted(driver_list, driver,
 723                                                         compare_priority);
 724
 725         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 726                                                 probe_driver, driver);
 727
 728         return 0;
 729 }
 730
 731 /**
 732  * connman_device_driver_unregister:
 733  * @driver: device driver definition
 734  *
 735  * Remove a previously registered device driver
 736  */
 737 void connman_device_driver_unregister(struct connman_device_driver *driver)
 738 {
 739         DBG("driver %p name %s", driver, driver->name);
 740
 741         driver_list = g_slist_remove(driver_list, driver);
 742
 743         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 744                                                 remove_driver, driver);
 745 }
 746
 747 static void unregister_network(gpointer data)
 748 {
 749         struct connman_network *network = data;
 750
 751         DBG("network %p", network);
 752
 753         connman_element_unregister((struct connman_element *) network);
 754
 755         connman_network_unref(network);
 756 }
 757
 758 static void device_destruct(struct connman_element *element)
 759 {
 760         struct connman_device *device = element->device;
 761
 762         DBG("element %p name %s", element, element->name);
 763
 764         g_free(device->node);
 765         g_free(device->name);
 766         g_free(device->interface);
 767
 768         g_free(device->last_network);
 769
 770         g_hash_table_destroy(device->networks);
 771         device->networks = NULL;
 772 }
 773
 774 /**
 775  * connman_device_create:
 776  * @node: device node name (for example an address)
 777  * @type: device type
 778  *
 779  * Allocate a new device of given #type and assign the #node name to it.
 780  *
 781  * Returns: a newly-allocated #connman_device structure
 782  */
 783 struct connman_device *connman_device_create(const char *node,
 784                                                 enum connman_device_type type)
 785 {
 786         struct connman_device *device;
 787         const char *str;
 788
 789         DBG("node %s type %d", node, type);
 790
 791         device = g_try_new0(struct connman_device, 1);
 792         if (device == NULL)
 793                 return NULL;
 794
 795         DBG("device %p", device);
 796
 797         __connman_element_initialize(&device->element);
 798
 799         device->element.name = g_strdup(node);
 800         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 801
 802         device->element.device = device;
 803         device->element.destruct = device_destruct;
 804
 805         str = type2string(type);
 806         if (str != NULL)
 807                 connman_element_set_static_property(&device->element,
 808                                         "Type", DBUS_TYPE_STRING, &str);
 809
 810         device->element.ipv4.method = CONNMAN_IPV4_METHOD_DHCP;
 811
 812         device->type   = type;
 813         device->mode   = CONNMAN_DEVICE_MODE_UNKNOWN;
 814         device->policy = CONNMAN_DEVICE_POLICY_AUTO;
 815
 816         switch (type) {
 817         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 818         case CONNMAN_DEVICE_TYPE_VENDOR:
 819                 device->priority = 0;
 820                 device->scan_interval = 0;
 821                 break;
 822         case CONNMAN_DEVICE_TYPE_ETHERNET:
 823         case CONNMAN_DEVICE_TYPE_WIFI:
 824                 device->priority = 100;
 825                 device->scan_interval = 300;
 826                 break;
 827         case CONNMAN_DEVICE_TYPE_WIMAX:
 828                 device->priority = 20;
 829                 device->scan_interval = 0;
 830                 break;
 831         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 832                 device->priority = 50;
 833                 device->scan_interval = 0;
 834                 break;
 835         case CONNMAN_DEVICE_TYPE_HSO:
 836         case CONNMAN_DEVICE_TYPE_NOZOMI:
 837         case CONNMAN_DEVICE_TYPE_HUAWEI:
 838         case CONNMAN_DEVICE_TYPE_NOVATEL:
 839                 device->priority = 60;
 840                 device->scan_interval = 0;
 841                 break;
 842         }
 843
 844         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 845                                                 g_free, unregister_network);
 846
 847         return device;
 848 }
 849
 850 /**
 851  * connman_device_ref:
 852  * @device: device structure
 853  *
 854  * Increase reference counter of device
 855  */
 856 struct connman_device *connman_device_ref(struct connman_device *device)
 857 {
 858         if (connman_element_ref(&device->element) == NULL)
 859                 return NULL;
 860
 861         return device;
 862 }
 863
 864 /**
 865  * connman_device_unref:
 866  * @device: device structure
 867  *
 868  * Decrease reference counter of device
 869  */
 870 void connman_device_unref(struct connman_device *device)
 871 {
 872         connman_element_unref(&device->element);
 873 }
 874
 875 /**
 876  * connman_device_get_name:
 877  * @device: device structure
 878  *
 879  * Get unique name of device
 880  */
 881 const char *connman_device_get_name(struct connman_device *device)
 882 {
 883         return device->element.name;
 884 }
 885
 886 /**
 887  * connman_device_get_path:
 888  * @device: device structure
 889  *
 890  * Get path name of device
 891  */
 892 const char *connman_device_get_path(struct connman_device *device)
 893 {
 894         return device->element.path;
 895 }
 896
 897 /**
 898  * connman_device_set_index:
 899  * @device: device structure
 900  * @index: index number
 901  *
 902  * Set index number of device
 903  */
 904 void connman_device_set_index(struct connman_device *device, int index)
 905 {
 906         device->element.index = index;
 907 }
 908
 909 /**
 910  * connman_device_get_index:
 911  * @device: device structure
 912  *
 913  * Get index number of device
 914  */
 915 int connman_device_get_index(struct connman_device *device)
 916 {
 917         return device->element.index;
 918 }
 919
 920 /**
 921  * connman_device_set_interface:
 922  * @device: device structure
 923  * @interface: interface name
 924  *
 925  * Set interface name of device
 926  */
 927 void connman_device_set_interface(struct connman_device *device,
 928                                                         const char *interface)
 929 {
 930         g_free(device->element.devname);
 931         device->element.devname = g_strdup(interface);
 932
 933         g_free(device->interface);
 934         device->interface = g_strdup(interface);
 935 }
 936
 937 /**
 938  * connman_device_get_interface:
 939  * @device: device structure
 940  *
 941  * Get interface name of device
 942  */
 943 const char *connman_device_get_interface(struct connman_device *device)
 944 {
 945         return device->interface;
 946 }
 947
 948 /**
 949  * connman_device_set_policy:
 950  * @device: device structure
 951  * @policy: power and connection policy
 952  *
 953  * Change power and connection policy of device
 954  */
 955 void connman_device_set_policy(struct connman_device *device,
 956                                         enum connman_device_policy policy)
 957 {
 958         device->policy = policy;
 959 }
 960
 961 /**
 962  * connman_device_set_mode:
 963  * @device: device structure
 964  * @mode: network mode
 965  *
 966  * Change network mode of device
 967  */
 968 void connman_device_set_mode(struct connman_device *device,
 969                                                 enum connman_device_mode mode)
 970 {
 971         device->mode = mode;
 972 }
 973
 974 /**
 975  * connman_device_get_mode:
 976  * @device: device structure
 977  *
 978  * Get network mode of device
 979  */
 980 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
 981 {
 982         return device->mode;
 983 }
 984
 985 /**
 986  * connman_device_set_powered:
 987  * @device: device structure
 988  * @powered: powered state
 989  *
 990  * Change power state of device
 991  */
 992 int connman_device_set_powered(struct connman_device *device,
 993                                                 connman_bool_t powered)
 994 {
 995         DBusMessage *signal;
 996         DBusMessageIter entry, value;
 997         const char *key = "Powered";
 998
 999         DBG("driver %p powered %d", device, powered);
1000
1001         if (device->powered == powered)
1002                 return -EALREADY;
1003
1004         device->powered = powered;
1005
1006         signal = dbus_message_new_signal(device->element.path,
1007                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1008         if (signal == NULL)
1009                 return 0;
1010
1011         dbus_message_iter_init_append(signal, &entry);
1012
1013         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1014
1015         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1016                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1017         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &powered);
1018         dbus_message_iter_close_container(&entry, &value);
1019
1020         g_dbus_send_message(connection, signal);
1021
1022         if (powered == FALSE)
1023                 return 0;
1024
1025         if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
1026                 return 0;
1027
1028         if (device->scan_timeout > 0) {
1029                 g_source_remove(device->scan_timeout);
1030                 device->scan_timeout = 0;
1031         }
1032
1033         if (device->scan_interval > 0) {
1034                 guint interval = device->scan_interval;
1035                 device->scan_timeout = g_timeout_add_seconds(interval,
1036                                         device_scan_trigger, device);
1037         }
1038
1039         if (device->driver->scan)
1040                 device->driver->scan(device);
1041
1042         return 0;
1043 }
1044
1045 /**
1046  * connman_device_set_carrier:
1047  * @device: device structure
1048  * @carrier: carrier state
1049  *
1050  * Change carrier state of device (only for device without scanning)
1051  */
1052 int connman_device_set_carrier(struct connman_device *device,
1053                                                 connman_bool_t carrier)
1054 {
1055         DBG("driver %p carrier %d", device, carrier);
1056
1057         switch (device->mode) {
1058         case CONNMAN_DEVICE_MODE_UNKNOWN:
1059         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1060         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1061                 return -EINVAL;
1062         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1063                 break;
1064         }
1065
1066         if (device->carrier == carrier)
1067                 return -EALREADY;
1068
1069         device->carrier = carrier;
1070
1071         if (carrier == TRUE) {
1072                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
1073                 struct connman_element *element;
1074
1075                 switch (device->element.ipv4.method) {
1076                 case CONNMAN_IPV4_METHOD_UNKNOWN:
1077                 case CONNMAN_IPV4_METHOD_OFF:
1078                         return 0;
1079                 case CONNMAN_IPV4_METHOD_STATIC:
1080                         type = CONNMAN_ELEMENT_TYPE_IPV4;
1081                         break;
1082                 case CONNMAN_IPV4_METHOD_DHCP:
1083                         type = CONNMAN_ELEMENT_TYPE_DHCP;
1084                         break;
1085                 }
1086
1087                 element = connman_element_create(NULL);
1088                 if (element != NULL) {
1089                         element->type  = type;
1090                         element->index = device->element.index;
1091
1092                         if (connman_element_register(element,
1093                                                         &device->element) < 0)
1094                                 connman_element_unref(element);
1095                 }
1096         } else
1097                 connman_element_unregister_children(&device->element);
1098
1099         return 0;
1100 }
1101
1102 void __connman_device_disconnect(struct connman_device *device)
1103 {
1104         GHashTableIter iter;
1105         gpointer key, value;
1106
1107         DBG("device %p", device);
1108
1109         connman_device_set_disconnected(device, TRUE);
1110
1111         g_hash_table_iter_init(&iter, device->networks);
1112
1113         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1114                 struct connman_network *network = value;
1115
1116                 if (connman_network_get_connected(network) == TRUE)
1117                         __connman_network_disconnect(network);
1118         }
1119 }
1120
1121 static void connect_known_network(struct connman_device *device)
1122 {
1123         struct connman_network *network = NULL;
1124         GHashTableIter iter;
1125         gpointer key, value;
1126         unsigned int count = 0;
1127
1128         DBG("device %p", device);
1129
1130         g_hash_table_iter_init(&iter, device->networks);
1131
1132         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1133                 connman_uint8_t old_priority, new_priority;
1134                 connman_uint8_t old_strength, new_strength;
1135                 const char *name;
1136
1137                 count++;
1138
1139                 if (connman_network_get_available(value) == FALSE)
1140                         continue;
1141
1142                 name = connman_network_get_string(value, "Name");
1143                 if (name != NULL && device->last_network != NULL) {
1144                         if (g_str_equal(name, device->last_network) == TRUE) {
1145                                 network = value;
1146                                 break;
1147                         }
1148                 }
1149
1150                 if (connman_network_get_remember(value) == FALSE)
1151                         continue;
1152
1153                 if (network == NULL) {
1154                         network = value;
1155                         continue;
1156                 }
1157
1158                 old_priority = connman_network_get_uint8(network, "Priority");
1159                 new_priority = connman_network_get_uint8(value, "Priority");
1160
1161                 if (new_priority != old_priority) {
1162                         if (new_priority > old_priority)
1163                                 network = value;
1164                         continue;
1165                 }
1166
1167                 old_strength = connman_network_get_uint8(network, "Strength");
1168                 new_strength = connman_network_get_uint8(value, "Strength");
1169
1170                 if (new_strength > old_strength)
1171                         network = value;
1172         }
1173
1174         if (network != NULL) {
1175                 int err;
1176
1177                 err = connman_network_connect(network);
1178                 if (err == 0 || err == -EINPROGRESS)
1179                         return;
1180         }
1181
1182         if (count > 0)
1183                 return;
1184
1185         if (device->driver && device->driver->scan)
1186                 device->driver->scan(device);
1187 }
1188
1189 static void mark_network_unavailable(gpointer key, gpointer value,
1190                                                         gpointer user_data)
1191 {
1192         struct connman_network *network = value;
1193
1194         if (connman_network_get_connected(network) == TRUE)
1195                 return;
1196
1197         connman_network_set_available(network, FALSE);
1198 }
1199
1200 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1201                                                         gpointer user_data)
1202 {
1203         struct connman_network *network = value;
1204
1205         if (connman_network_get_connected(network) == TRUE)
1206                 return FALSE;
1207
1208         if (connman_network_get_remember(network) == TRUE)
1209                 return FALSE;
1210
1211         if (connman_network_get_available(network) == TRUE)
1212                 return FALSE;
1213
1214         return TRUE;
1215 }
1216
1217 /**
1218  * connman_device_set_scanning:
1219  * @device: device structure
1220  * @scanning: scanning state
1221  *
1222  * Change scanning state of device
1223  */
1224 int connman_device_set_scanning(struct connman_device *device,
1225                                                 connman_bool_t scanning)
1226 {
1227         DBusMessage *signal;
1228         DBusMessageIter entry, value;
1229         const char *key = "Scanning";
1230
1231         DBG("driver %p scanning %d", device, scanning);
1232
1233         if (!device->driver || !device->driver->scan)
1234                 return -EINVAL;
1235
1236         if (device->scanning == scanning)
1237                 return -EALREADY;
1238
1239         device->scanning = scanning;
1240
1241         signal = dbus_message_new_signal(device->element.path,
1242                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1243         if (signal == NULL)
1244                 return 0;
1245
1246         dbus_message_iter_init_append(signal, &entry);
1247
1248         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1249
1250         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1251                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1252         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
1253         dbus_message_iter_close_container(&entry, &value);
1254
1255         g_dbus_send_message(connection, signal);
1256
1257         if (scanning == TRUE) {
1258                 if (device->scan_timeout > 0) {
1259                         g_source_remove(device->scan_timeout);
1260                         device->scan_timeout = 0;
1261                 }
1262
1263                 if (device->scan_interval > 0) {
1264                         guint interval = device->scan_interval;
1265                         device->scan_timeout = g_timeout_add_seconds(interval,
1266                                                 device_scan_trigger, device);
1267                 }
1268
1269                 g_hash_table_foreach(device->networks,
1270                                         mark_network_unavailable, NULL);
1271                 return 0;
1272         }
1273
1274         g_hash_table_foreach_remove(device->networks,
1275                                         remove_unavailable_network, NULL);
1276
1277         if (device->connections > 0)
1278                 return 0;
1279
1280         if (device->disconnected == TRUE)
1281                 return 0;
1282
1283         if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
1284                 return 0;
1285
1286         connect_known_network(device);
1287
1288         return 0;
1289 }
1290
1291 /**
1292  * connman_device_set_disconnected:
1293  * @device: device structure
1294  * @disconnected: disconnected state
1295  *
1296  * Change disconnected state of device (only for device with networks)
1297  */
1298 int connman_device_set_disconnected(struct connman_device *device,
1299                                                 connman_bool_t disconnected)
1300 {
1301         DBG("driver %p disconnected %d", device, disconnected);
1302
1303         switch (device->mode) {
1304         case CONNMAN_DEVICE_MODE_UNKNOWN:
1305         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1306                 return -EINVAL;
1307         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1308         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1309                 break;
1310         }
1311
1312         if (device->disconnected == disconnected)
1313                 return -EALREADY;
1314
1315         device->disconnected = disconnected;
1316
1317         return 0;
1318 }
1319
1320 /**
1321  * connman_device_set_string:
1322  * @device: device structure
1323  * @key: unique identifier
1324  * @value: string value
1325  *
1326  * Set string value for specific key
1327  */
1328 int connman_device_set_string(struct connman_device *device,
1329                                         const char *key, const char *value)
1330 {
1331         DBG("device %p key %s value %s", device, key, value);
1332
1333         if (g_str_equal(key, "Name") == TRUE) {
1334                 g_free(device->name);
1335                 device->name = g_strdup(value);
1336         } else if (g_str_equal(key, "Node") == TRUE) {
1337                 g_free(device->node);
1338                 device->node = g_strdup(value);
1339         }
1340
1341         return 0;
1342 }
1343
1344 /**
1345  * connman_device_get_string:
1346  * @device: device structure
1347  * @key: unique identifier
1348  *
1349  * Get string value for specific key
1350  */
1351 const char *connman_device_get_string(struct connman_device *device,
1352                                                         const char *key)
1353 {
1354         DBG("device %p key %s", device, key);
1355
1356         if (g_str_equal(key, "Name") == TRUE)
1357                 return device->name;
1358         else if (g_str_equal(key, "Node") == TRUE)
1359                 return device->node;
1360
1361         return NULL;
1362 }
1363
1364 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1365 {
1366         struct connman_device *device = element->device;
1367         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1368         connman_bool_t powered;
1369
1370         DBG("element %p name %s", element, element->name);
1371
1372         if (device == NULL)
1373                 return;
1374
1375         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1376
1377         if (device->powered == powered)
1378                 return;
1379
1380         set_powered(device, powered);
1381 }
1382
1383 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1384 {
1385         DBG("offlinmode %d", offlinemode);
1386
1387         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1388                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1389
1390         return 0;
1391 }
1392
1393 void __connman_device_increase_connections(struct connman_device *device)
1394 {
1395         device->connections++;
1396 }
1397
1398 void __connman_device_decrease_connections(struct connman_device *device)
1399 {
1400         device->connections--;
1401 }
1402
1403 /**
1404  * connman_device_add_network:
1405  * @device: device structure
1406  * @network: network structure
1407  *
1408  * Add new network to the device
1409  */
1410 int connman_device_add_network(struct connman_device *device,
1411                                         struct connman_network *network)
1412 {
1413         const char *identifier = connman_network_get_identifier(network);
1414         int err;
1415
1416         DBG("device %p network %p", device, network);
1417
1418         switch (device->mode) {
1419         case CONNMAN_DEVICE_MODE_UNKNOWN:
1420         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1421                 return -EINVAL;
1422         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1423         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1424                 break;
1425         }
1426
1427         __connman_network_set_device(network, device);
1428
1429         __connman_storage_load_network(network);
1430
1431         err = connman_element_register((struct connman_element *) network,
1432                                                         &device->element);
1433         if (err < 0) {
1434                 __connman_network_set_device(network, NULL);
1435                 return err;
1436         }
1437
1438         g_hash_table_insert(device->networks, g_strdup(identifier),
1439                                                                 network);
1440
1441         return 0;
1442 }
1443
1444 /**
1445  * connman_device_get_network:
1446  * @device: device structure
1447  * @identifier: network identifier
1448  *
1449  * Get network for given identifier
1450  */
1451 struct connman_network *connman_device_get_network(struct connman_device *device,
1452                                                         const char *identifier)
1453 {
1454         DBG("device %p identifier %s", device, identifier);
1455
1456         return g_hash_table_lookup(device->networks, identifier);
1457 }
1458
1459 /**
1460  * connman_device_remove_network:
1461  * @device: device structure
1462  * @identifier: network identifier
1463  *
1464  * Remove network for given identifier
1465  */
1466 int connman_device_remove_network(struct connman_device *device,
1467                                                         const char *identifier)
1468 {
1469         DBG("device %p identifier %s", device, identifier);
1470
1471         g_hash_table_remove(device->networks, identifier);
1472
1473         return 0;
1474 }
1475
1476 void __connman_device_set_network(struct connman_device *device,
1477                                         struct connman_network *network)
1478 {
1479         const char *name;
1480
1481         if (network != NULL) {
1482                 name = connman_network_get_string(network, "Name");
1483                 device->last_network = g_strdup(name);
1484         }
1485
1486         device->network = network;
1487 }
1488
1489 /**
1490  * connman_device_register:
1491  * @device: device structure
1492  *
1493  * Register device with the system
1494  */
1495 int connman_device_register(struct connman_device *device)
1496 {
1497         __connman_storage_load_device(device);
1498
1499         switch (device->mode) {
1500         case CONNMAN_DEVICE_MODE_UNKNOWN:
1501         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1502                 break;
1503         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1504         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1505                 __connman_storage_init_network(device);
1506                 break;
1507         }
1508
1509         return connman_element_register(&device->element, NULL);
1510 }
1511
1512 /**
1513  * connman_device_unregister:
1514  * @device: device structure
1515  *
1516  * Unregister device with the system
1517  */
1518 void connman_device_unregister(struct connman_device *device)
1519 {
1520         __connman_storage_save_device(device);
1521
1522         connman_element_unregister(&device->element);
1523 }
1524
1525 /**
1526  * connman_device_get_data:
1527  * @device: device structure
1528  *
1529  * Get private device data pointer
1530  */
1531 void *connman_device_get_data(struct connman_device *device)
1532 {
1533         return device->driver_data;
1534 }
1535
1536 /**
1537  * connman_device_set_data:
1538  * @device: device structure
1539  * @data: data pointer
1540  *
1541  * Set private device data pointer
1542  */
1543 void connman_device_set_data(struct connman_device *device, void *data)
1544 {
1545         device->driver_data = data;
1546 }
1547
1548 static gboolean match_driver(struct connman_device *device,
1549                                         struct connman_device_driver *driver)
1550 {
1551         if (device->type == driver->type ||
1552                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1553                 return TRUE;
1554
1555         return FALSE;
1556 }
1557
1558 static int device_probe(struct connman_element *element)
1559 {
1560         struct connman_device *device = element->device;
1561         GSList *list;
1562
1563         DBG("element %p name %s", element, element->name);
1564
1565         if (device == NULL)
1566                 return -ENODEV;
1567
1568         if (device->driver != NULL)
1569                 return -EALREADY;
1570
1571         for (list = driver_list; list; list = list->next) {
1572                 struct connman_device_driver *driver = list->data;
1573
1574                 if (match_driver(device, driver) == FALSE)
1575                         continue;
1576
1577                 DBG("driver %p name %s", driver, driver->name);
1578
1579                 if (driver->probe(device) == 0) {
1580                         device->driver = driver;
1581                         break;
1582                 }
1583         }
1584
1585         if (device->driver == NULL)
1586                 return -ENODEV;
1587
1588         return setup_device(device);
1589 }
1590
1591 static void device_remove(struct connman_element *element)
1592 {
1593         struct connman_device *device = element->device;
1594
1595         DBG("element %p name %s", element, element->name);
1596
1597         if (device == NULL)
1598                 return;
1599
1600         if (device->driver == NULL)
1601                 return;
1602
1603         remove_device(device);
1604 }
1605
1606 static struct connman_driver device_driver = {
1607         .name           = "device",
1608         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1609         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1610         .probe          = device_probe,
1611         .remove         = device_remove,
1612 };
1613
1614 static int device_load(struct connman_device *device)
1615 {
1616         GKeyFile *keyfile;
1617         gchar *pathname, *data = NULL;
1618         gsize length;
1619         char *str;
1620         int val;
1621
1622         DBG("device %p", device);
1623
1624         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1625                                                         device->element.name);
1626         if (pathname == NULL)
1627                 return -ENOMEM;
1628
1629         keyfile = g_key_file_new();
1630
1631         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1632                 g_free(pathname);
1633                 return -ENOENT;
1634         }
1635
1636         g_free(pathname);
1637
1638         if (g_key_file_load_from_data(keyfile, data, length,
1639                                                         0, NULL) == FALSE) {
1640                 g_free(data);
1641                 return -EILSEQ;
1642         }
1643
1644         g_free(data);
1645
1646         str = g_key_file_get_string(keyfile, "Configuration", "Policy", NULL);
1647         if (str != NULL) {
1648                 device->policy = string2policy(str);
1649                 g_free(str);
1650         }
1651
1652         val = g_key_file_get_integer(keyfile, "Configuration",
1653                                                         "Priority", NULL);
1654         if (val > 0)
1655                 device->priority = val;
1656
1657         switch (device->mode) {
1658         case CONNMAN_DEVICE_MODE_UNKNOWN:
1659         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1660                 break;
1661         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1662         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1663                 val = g_key_file_get_integer(keyfile, "Configuration",
1664                                                         "ScanInterval", NULL);
1665                 if (val > 0)
1666                         device->scan_interval = val;
1667                 break;
1668         }
1669
1670         str = g_key_file_get_string(keyfile, "Configuration",
1671                                                         "LastNetwork", NULL);
1672         if (str != NULL)
1673                 device->last_network = str;
1674
1675         g_key_file_free(keyfile);
1676
1677         return 0;
1678 }
1679
1680 static int device_save(struct connman_device *device)
1681 {
1682         GKeyFile *keyfile;
1683         gchar *pathname, *data = NULL;
1684         gsize length;
1685         const char *str;
1686
1687         DBG("device %p", device);
1688
1689         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1690                                                         device->element.name);
1691         if (pathname == NULL)
1692                 return -ENOMEM;
1693
1694         keyfile = g_key_file_new();
1695
1696         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1697                 goto update;
1698
1699         if (length > 0) {
1700                 if (g_key_file_load_from_data(keyfile, data, length,
1701                                                         0, NULL) == FALSE)
1702                         goto done;
1703         }
1704
1705         g_free(data);
1706
1707 update:
1708         str = policy2string(device->policy);
1709         if (str != NULL)
1710                 g_key_file_set_string(keyfile, "Configuration", "Policy", str);
1711
1712         if (device->priority > 0)
1713                 g_key_file_set_integer(keyfile, "Configuration",
1714                                                 "Priority", device->priority);
1715
1716         switch (device->mode) {
1717         case CONNMAN_DEVICE_MODE_UNKNOWN:
1718         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1719                 break;
1720         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1721         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1722                 if (device->scan_interval > 0)
1723                         g_key_file_set_integer(keyfile, "Configuration",
1724                                         "ScanInterval", device->scan_interval);
1725                 break;
1726         }
1727
1728         if (device->last_network != NULL)
1729                 g_key_file_set_string(keyfile, "Configuration",
1730                                         "LastNetwork", device->last_network);
1731
1732         data = g_key_file_to_data(keyfile, &length, NULL);
1733
1734         g_file_set_contents(pathname, data, length, NULL);
1735
1736 done:
1737         g_free(data);
1738
1739         g_key_file_free(keyfile);
1740
1741         g_free(pathname);
1742
1743         if (device->network != NULL)
1744                 __connman_storage_save_network(device->network);
1745
1746         return 0;
1747 }
1748
1749 static struct connman_storage device_storage = {
1750         .name           = "device",
1751         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1752         .device_load    = device_load,
1753         .device_save    = device_save,
1754 };
1755
1756 int __connman_device_init(void)
1757 {
1758         DBG("");
1759
1760         connection = connman_dbus_get_connection();
1761
1762         if (connman_storage_register(&device_storage) < 0)
1763                 connman_error("Failed to register device storage");
1764
1765         return connman_driver_register(&device_driver);
1766 }
1767
1768 void __connman_device_cleanup(void)
1769 {
1770         DBG("");
1771
1772         connman_driver_unregister(&device_driver);
1773
1774         connman_storage_unregister(&device_storage);
1775
1776         dbus_connection_unref(connection);
1777 }