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_GPS:
  92                 return "GPS";
  93         case CONNMAN_DEVICE_TYPE_HSO:
  94         case CONNMAN_DEVICE_TYPE_NOZOMI:
  95         case CONNMAN_DEVICE_TYPE_HUAWEI:
  96         case CONNMAN_DEVICE_TYPE_NOVATEL:
  97                 return "Cellular";
  98         }
  99
 100         return NULL;
 101 }
 102
 103 static const char *type2string(enum connman_device_type type)
 104 {
 105         switch (type) {
 106         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 107         case CONNMAN_DEVICE_TYPE_VENDOR:
 108                 break;
 109         case CONNMAN_DEVICE_TYPE_ETHERNET:
 110                 return "ethernet";
 111         case CONNMAN_DEVICE_TYPE_WIFI:
 112                 return "wifi";
 113         case CONNMAN_DEVICE_TYPE_WIMAX:
 114                 return "wimax";
 115         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 116                 return "bluetooth";
 117         case CONNMAN_DEVICE_TYPE_GPS:
 118                 return "gps";
 119         case CONNMAN_DEVICE_TYPE_HSO:
 120         case CONNMAN_DEVICE_TYPE_HUAWEI:
 121         case CONNMAN_DEVICE_TYPE_NOZOMI:
 122         case CONNMAN_DEVICE_TYPE_NOVATEL:
 123                 return "cellular";
 124         }
 125
 126         return NULL;
 127 }
 128
 129 static const char *policy2string(enum connman_device_policy policy)
 130 {
 131         switch (policy) {
 132         case CONNMAN_DEVICE_POLICY_UNKNOWN:
 133                 break;
 134         case CONNMAN_DEVICE_POLICY_IGNORE:
 135                 return "ignore";
 136         case CONNMAN_DEVICE_POLICY_OFF:
 137                 return "off";
 138         case CONNMAN_DEVICE_POLICY_AUTO:
 139                 return "auto";
 140         case CONNMAN_DEVICE_POLICY_MANUAL:
 141                 return "manual";
 142         }
 143
 144         return NULL;
 145 }
 146
 147 static enum connman_device_policy string2policy(const char *policy)
 148 {
 149         if (g_str_equal(policy, "ignore") == TRUE)
 150                 return CONNMAN_DEVICE_POLICY_IGNORE;
 151         else if (g_str_equal(policy, "off") == TRUE)
 152                 return CONNMAN_DEVICE_POLICY_OFF;
 153         else if (g_str_equal(policy, "auto") == TRUE)
 154                 return CONNMAN_DEVICE_POLICY_AUTO;
 155         else if (g_str_equal(policy, "manual") == TRUE)
 156                 return CONNMAN_DEVICE_POLICY_MANUAL;
 157         else
 158                 return CONNMAN_DEVICE_POLICY_UNKNOWN;
 159 }
 160
 161 static int set_powered(struct connman_device *device, connman_bool_t powered)
 162 {
 163         struct connman_device_driver *driver = device->driver;
 164         int err;
 165
 166         DBG("device %p powered %d", device, powered);
 167
 168         if (!driver)
 169                 return -EINVAL;
 170
 171         if (powered == TRUE) {
 172                 if (driver->enable)
 173                         err = driver->enable(device);
 174                 else
 175                         err = -EINVAL;
 176         } else {
 177                 g_hash_table_remove_all(device->networks);
 178
 179                 if (driver->disable)
 180                         err = driver->disable(device);
 181                 else
 182                         err = -EINVAL;
 183         }
 184
 185         return err;
 186 }
 187
 188 static int set_policy(DBusConnection *connection,
 189                                 struct connman_device *device,
 190                                         enum connman_device_policy policy)
 191 {
 192         DBusMessage *signal;
 193         DBusMessageIter entry, value;
 194         const char *str, *key = "Policy";
 195         int err = 0;
 196
 197         DBG("device %p policy %d", device, policy);
 198
 199         if (device->policy == policy)
 200                 return 0;
 201
 202         switch (policy) {
 203         case CONNMAN_DEVICE_POLICY_UNKNOWN:
 204                 return -EINVAL;
 205         case CONNMAN_DEVICE_POLICY_IGNORE:
 206                 break;
 207         case CONNMAN_DEVICE_POLICY_OFF:
 208                 if (device->powered == TRUE)
 209                         err = set_powered(device, FALSE);
 210                 break;
 211         case CONNMAN_DEVICE_POLICY_AUTO:
 212         case CONNMAN_DEVICE_POLICY_MANUAL:
 213                 if (device->powered == FALSE)
 214                         err = set_powered(device, TRUE);
 215                 break;
 216         }
 217
 218         if (err < 0)
 219                 return err;
 220
 221         device->policy = policy;
 222
 223         signal = dbus_message_new_signal(device->element.path,
 224                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 225         if (signal == NULL)
 226                 return 0;
 227
 228         dbus_message_iter_init_append(signal, &entry);
 229
 230         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 231
 232         str = policy2string(policy);
 233
 234         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 235                                         DBUS_TYPE_STRING_AS_STRING, &value);
 236         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &str);
 237         dbus_message_iter_close_container(&entry, &value);
 238
 239         g_dbus_send_message(connection, signal);
 240
 241         return 0;
 242 }
 243
 244 static void append_path(gpointer key, gpointer value, gpointer user_data)
 245 {
 246         struct connman_element *element = value;
 247         DBusMessageIter *iter = user_data;
 248
 249         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 250                                                         &element->path);
 251 }
 252
 253 static void append_networks(struct connman_device *device,
 254                                                 DBusMessageIter *entry)
 255 {
 256         DBusMessageIter value, iter;
 257         const char *key = "Networks";
 258
 259         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 260
 261         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 262                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 263                                                                 &value);
 264
 265         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 266                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 267         g_hash_table_foreach(device->networks, append_path, &iter);
 268         dbus_message_iter_close_container(&value, &iter);
 269
 270         dbus_message_iter_close_container(entry, &value);
 271 }
 272
 273 static DBusMessage *get_properties(DBusConnection *conn,
 274                                         DBusMessage *msg, void *data)
 275 {
 276         struct connman_device *device = data;
 277         DBusMessage *reply;
 278         DBusMessageIter array, dict, entry;
 279         const char *str;
 280
 281         DBG("conn %p", conn);
 282
 283         if (__connman_security_check_privilege(msg,
 284                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 285                 return __connman_error_permission_denied(msg);
 286
 287         reply = dbus_message_new_method_return(msg);
 288         if (reply == NULL)
 289                 return NULL;
 290
 291         dbus_message_iter_init_append(reply, &array);
 292
 293         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 294                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 295                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 296                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 297
 298         str = type2description(device->type);
 299         if (str != NULL && device->interface != NULL) {
 300                 char *name = g_strdup_printf("%s (%s)", str, device->interface);
 301                 if (name != NULL)
 302                         connman_dbus_dict_append_variant(&dict, "Name",
 303                                                 DBUS_TYPE_STRING, &name);
 304                 g_free(name);
 305         }
 306
 307         str = type2string(device->type);
 308         if (str != NULL)
 309                 connman_dbus_dict_append_variant(&dict, "Type",
 310                                                 DBUS_TYPE_STRING, &str);
 311
 312         if (device->interface != NULL)
 313                 connman_dbus_dict_append_variant(&dict, "Interface",
 314                                         DBUS_TYPE_STRING, &device->interface);
 315
 316         str = policy2string(device->policy);
 317         if (str != NULL)
 318                 connman_dbus_dict_append_variant(&dict, "Policy",
 319                                                 DBUS_TYPE_STRING, &str);
 320
 321         if (device->priority > 0)
 322                 connman_dbus_dict_append_variant(&dict, "Priority",
 323                                         DBUS_TYPE_BYTE, &device->priority);
 324
 325         connman_dbus_dict_append_variant(&dict, "Powered",
 326                                         DBUS_TYPE_BOOLEAN, &device->powered);
 327
 328         if (device->driver && device->driver->scan)
 329                 connman_dbus_dict_append_variant(&dict, "Scanning",
 330                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 331
 332         switch (device->mode) {
 333         case CONNMAN_DEVICE_MODE_UNKNOWN:
 334                 break;
 335         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 336                 __connman_element_append_ipv4(&device->element, &dict);
 337                 break;
 338         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 339         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 340                 if (device->scan_interval > 0)
 341                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 342                                 DBUS_TYPE_UINT16, &device->scan_interval);
 343
 344                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 345                                                                 NULL, &entry);
 346                 append_networks(device, &entry);
 347                 dbus_message_iter_close_container(&dict, &entry);
 348                 break;
 349         }
 350
 351         dbus_message_iter_close_container(&array, &dict);
 352
 353         return reply;
 354 }
 355
 356 static DBusMessage *set_property(DBusConnection *conn,
 357                                         DBusMessage *msg, void *data)
 358 {
 359         struct connman_device *device = data;
 360         DBusMessageIter iter, value;
 361         const char *name;
 362         int type;
 363
 364         DBG("conn %p", conn);
 365
 366         if (dbus_message_iter_init(msg, &iter) == FALSE)
 367                 return __connman_error_invalid_arguments(msg);
 368
 369         dbus_message_iter_get_basic(&iter, &name);
 370         dbus_message_iter_next(&iter);
 371         dbus_message_iter_recurse(&iter, &value);
 372
 373         if (__connman_security_check_privilege(msg,
 374                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 375                 return __connman_error_permission_denied(msg);
 376
 377         type = dbus_message_iter_get_arg_type(&value);
 378
 379         if (g_str_equal(name, "Powered") == TRUE) {
 380                 connman_bool_t powered;
 381                 int err;
 382
 383                 if (type != DBUS_TYPE_BOOLEAN)
 384                         return __connman_error_invalid_arguments(msg);
 385
 386                 dbus_message_iter_get_basic(&value, &powered);
 387
 388                 if (device->powered == powered)
 389                         return __connman_error_invalid_arguments(msg);
 390
 391                 err = set_powered(device, powered);
 392                 if (err < 0 && err != -EINPROGRESS)
 393                         return __connman_error_failed(msg);
 394         } else if (g_str_equal(name, "Policy") == TRUE) {
 395                 enum connman_device_policy policy;
 396                 const char *str;
 397                 int err;
 398
 399                 if (type != DBUS_TYPE_STRING)
 400                         return __connman_error_invalid_arguments(msg);
 401
 402                 dbus_message_iter_get_basic(&value, &str);
 403                 policy = string2policy(str);
 404                 if (policy == CONNMAN_DEVICE_POLICY_UNKNOWN)
 405                         return __connman_error_invalid_arguments(msg);
 406
 407                 err = set_policy(conn, device, policy);
 408                 if (err < 0)
 409                         return __connman_error_failed(msg);
 410         } else if (g_str_equal(name, "Priority") == TRUE) {
 411                 connman_uint8_t priority;
 412
 413                 if (type != DBUS_TYPE_BYTE)
 414                         return __connman_error_invalid_arguments(msg);
 415
 416                 dbus_message_iter_get_basic(&value, &priority);
 417
 418                 device->priority = priority;
 419         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 420                 connman_uint16_t interval;
 421
 422                 switch (device->mode) {
 423                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 424                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 425                         return __connman_error_invalid_arguments(msg);
 426                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 427                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 428                         break;
 429                 }
 430
 431                 if (type != DBUS_TYPE_UINT16)
 432                         return __connman_error_invalid_arguments(msg);
 433
 434                 dbus_message_iter_get_basic(&value, &interval);
 435
 436                 device->scan_interval = interval;
 437
 438                 if (device->scan_timeout > 0) {
 439                         g_source_remove(device->scan_timeout);
 440                         device->scan_timeout = 0;
 441                 }
 442
 443                 if (device->scan_interval > 0) {
 444                         guint interval = device->scan_interval;
 445                         device->scan_timeout = g_timeout_add_seconds(interval,
 446                                                 device_scan_trigger, device);
 447                 }
 448         } else if (g_str_has_prefix(name, "IPv4") == TRUE) {
 449                 switch (device->mode) {
 450                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 451                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 452                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 453                         return __connman_error_invalid_arguments(msg);
 454                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 455                         __connman_element_set_ipv4(&device->element,
 456                                                                 name, &value);
 457                         break;
 458                 }
 459         }
 460
 461         __connman_storage_save_device(device);
 462
 463         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 464 }
 465
 466 static DBusMessage *create_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 *remove_network(DBusConnection *conn,
 479                                         DBusMessage *msg, void *data)
 480 {
 481         DBG("conn %p", conn);
 482
 483         if (__connman_security_check_privilege(msg,
 484                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 485                 return __connman_error_permission_denied(msg);
 486
 487         return __connman_error_invalid_arguments(msg);
 488 }
 489
 490 static DBusMessage *propose_scan(DBusConnection *conn,
 491                                         DBusMessage *msg, void *data)
 492 {
 493         struct connman_device *device = data;
 494         int err;
 495
 496         DBG("conn %p", conn);
 497
 498         switch (device->mode) {
 499         case CONNMAN_DEVICE_MODE_UNKNOWN:
 500         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 501                 return __connman_error_not_supported(msg);
 502         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 503         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 504                 break;
 505         }
 506
 507         if (!device->driver || !device->driver->scan)
 508                 return __connman_error_not_supported(msg);
 509
 510         if (device->powered == FALSE)
 511                 return __connman_error_failed(msg);
 512
 513         err = device->driver->scan(device);
 514         if (err < 0)
 515                 return __connman_error_failed(msg);
 516
 517         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 518 }
 519
 520 static GDBusMethodTable device_methods[] = {
 521         { "GetProperties", "",      "a{sv}", get_properties },
 522         { "SetProperty",   "sv",    "",      set_property   },
 523         { "CreateNetwork", "a{sv}", "o",     create_network },
 524         { "RemoveNetwork", "o",     "",      remove_network },
 525         { "ProposeScan",   "",      "",      propose_scan   },
 526         { },
 527 };
 528
 529 static GDBusSignalTable device_signals[] = {
 530         { "PropertyChanged", "sv" },
 531         { },
 532 };
 533
 534 static DBusConnection *connection;
 535
 536 static void append_devices(DBusMessageIter *entry)
 537 {
 538         DBusMessageIter value, iter;
 539         const char *key = "Devices";
 540
 541         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 542
 543         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 544                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 545                                                                 &value);
 546
 547         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 548                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 549         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 550         dbus_message_iter_close_container(&value, &iter);
 551
 552         dbus_message_iter_close_container(entry, &value);
 553 }
 554
 555 static void emit_devices_signal(void)
 556 {
 557         DBusMessage *signal;
 558         DBusMessageIter entry;
 559
 560         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 561                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 562         if (signal == NULL)
 563                 return;
 564
 565         dbus_message_iter_init_append(signal, &entry);
 566
 567         append_devices(&entry);
 568
 569         g_dbus_send_message(connection, signal);
 570 }
 571
 572 static int register_interface(struct connman_element *element)
 573 {
 574         struct connman_device *device = element->device;
 575
 576         DBG("element %p name %s", element, element->name);
 577
 578         if (g_dbus_register_interface(connection, element->path,
 579                                         CONNMAN_DEVICE_INTERFACE,
 580                                         device_methods, device_signals,
 581                                         NULL, device, NULL) == FALSE) {
 582                 connman_error("Failed to register %s device", element->path);
 583                 return -EIO;
 584         }
 585
 586         device->registered = TRUE;
 587
 588         emit_devices_signal();
 589
 590         return 0;
 591 }
 592
 593 static void unregister_interface(struct connman_element *element)
 594 {
 595         struct connman_device *device = element->device;
 596
 597         DBG("element %p name %s", element, element->name);
 598
 599         device->registered = FALSE;
 600
 601         emit_devices_signal();
 602
 603         g_dbus_unregister_interface(connection, element->path,
 604                                                 CONNMAN_DEVICE_INTERFACE);
 605 }
 606
 607 static void device_enable(struct connman_device *device)
 608 {
 609         DBG("device %p", device);
 610
 611         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE ||
 612                                 device->policy == CONNMAN_DEVICE_POLICY_OFF)
 613                 return;
 614
 615         if (device->powered == TRUE)
 616                 return;
 617
 618         if (device->driver->enable)
 619                 device->driver->enable(device);
 620 }
 621
 622 static void device_disable(struct connman_device *device)
 623 {
 624         DBG("device %p", device);
 625
 626         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE)
 627                 return;
 628
 629         if (device->powered == FALSE)
 630                 return;
 631
 632         g_hash_table_remove_all(device->networks);
 633
 634         if (device->driver->disable)
 635                 device->driver->disable(device);
 636 }
 637
 638 static int setup_device(struct connman_device *device)
 639 {
 640         int err;
 641
 642         DBG("device %p", device);
 643
 644         err = register_interface(&device->element);
 645         if (err < 0) {
 646                 if (device->driver->remove)
 647                         device->driver->remove(device);
 648                 device->driver = NULL;
 649                 return err;
 650         }
 651
 652         switch (device->mode) {
 653         case CONNMAN_DEVICE_MODE_UNKNOWN:
 654         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 655         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 656                 break;
 657         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 658                 __connman_profile_add_device(device);
 659                 break;
 660         }
 661
 662         device_enable(device);
 663
 664         return 0;
 665 }
 666
 667 static void probe_driver(struct connman_element *element, gpointer user_data)
 668 {
 669         struct connman_device_driver *driver = user_data;
 670
 671         DBG("element %p name %s", element, element->name);
 672
 673         if (element->device == NULL)
 674                 return;
 675
 676         if (element->device->driver != NULL)
 677                 return;
 678
 679         if (driver->type != element->device->type)
 680                 return;
 681
 682         if (driver->probe(element->device) < 0)
 683                 return;
 684
 685         element->device->driver = driver;
 686
 687         setup_device(element->device);
 688 }
 689
 690 static void remove_device(struct connman_device *device)
 691 {
 692         DBG("device %p", device);
 693
 694         device_disable(device);
 695
 696         switch (device->mode) {
 697         case CONNMAN_DEVICE_MODE_UNKNOWN:
 698         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 699         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 700                 break;
 701         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 702                 __connman_profile_remove_device(device);
 703                 break;
 704         }
 705
 706         unregister_interface(&device->element);
 707
 708         if (device->driver->remove)
 709                 device->driver->remove(device);
 710
 711         device->driver = NULL;
 712 }
 713
 714 static void remove_driver(struct connman_element *element, gpointer user_data)
 715 {
 716         struct connman_device_driver *driver = user_data;
 717
 718         DBG("element %p name %s", element, element->name);
 719
 720         if (element->device == NULL)
 721                 return;
 722
 723         if (element->device->driver == driver)
 724                 remove_device(element->device);
 725 }
 726
 727 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 728 {
 729         if (device == NULL || device->driver == NULL)
 730                 return FALSE;
 731
 732         return device->registered;
 733 }
 734
 735 static GSList *driver_list = NULL;
 736
 737 static gint compare_priority(gconstpointer a, gconstpointer b)
 738 {
 739         const struct connman_device_driver *driver1 = a;
 740         const struct connman_device_driver *driver2 = b;
 741
 742         return driver2->priority - driver1->priority;
 743 }
 744
 745 /**
 746  * connman_device_driver_register:
 747  * @driver: device driver definition
 748  *
 749  * Register a new device driver
 750  *
 751  * Returns: %0 on success
 752  */
 753 int connman_device_driver_register(struct connman_device_driver *driver)
 754 {
 755         DBG("driver %p name %s", driver, driver->name);
 756
 757         driver_list = g_slist_insert_sorted(driver_list, driver,
 758                                                         compare_priority);
 759
 760         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 761                                                 probe_driver, driver);
 762
 763         return 0;
 764 }
 765
 766 /**
 767  * connman_device_driver_unregister:
 768  * @driver: device driver definition
 769  *
 770  * Remove a previously registered device driver
 771  */
 772 void connman_device_driver_unregister(struct connman_device_driver *driver)
 773 {
 774         DBG("driver %p name %s", driver, driver->name);
 775
 776         driver_list = g_slist_remove(driver_list, driver);
 777
 778         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 779                                                 remove_driver, driver);
 780 }
 781
 782 static void unregister_network(gpointer data)
 783 {
 784         struct connman_network *network = data;
 785
 786         DBG("network %p", network);
 787
 788         connman_element_unregister((struct connman_element *) network);
 789
 790         connman_network_unref(network);
 791 }
 792
 793 static void device_destruct(struct connman_element *element)
 794 {
 795         struct connman_device *device = element->device;
 796
 797         DBG("element %p name %s", element, element->name);
 798
 799         g_free(device->node);
 800         g_free(device->name);
 801         g_free(device->interface);
 802
 803         g_free(device->last_network);
 804
 805         g_hash_table_destroy(device->networks);
 806         device->networks = NULL;
 807 }
 808
 809 /**
 810  * connman_device_create:
 811  * @node: device node name (for example an address)
 812  * @type: device type
 813  *
 814  * Allocate a new device of given #type and assign the #node name to it.
 815  *
 816  * Returns: a newly-allocated #connman_device structure
 817  */
 818 struct connman_device *connman_device_create(const char *node,
 819                                                 enum connman_device_type type)
 820 {
 821         struct connman_device *device;
 822         const char *str;
 823
 824         DBG("node %s type %d", node, type);
 825
 826         device = g_try_new0(struct connman_device, 1);
 827         if (device == NULL)
 828                 return NULL;
 829
 830         DBG("device %p", device);
 831
 832         __connman_element_initialize(&device->element);
 833
 834         device->element.name = g_strdup(node);
 835         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 836
 837         device->element.device = device;
 838         device->element.destruct = device_destruct;
 839
 840         str = type2string(type);
 841         if (str != NULL)
 842                 connman_element_set_static_property(&device->element,
 843                                         "Type", DBUS_TYPE_STRING, &str);
 844
 845         device->element.ipv4.method = CONNMAN_IPV4_METHOD_DHCP;
 846
 847         device->type   = type;
 848         device->mode   = CONNMAN_DEVICE_MODE_UNKNOWN;
 849         device->policy = CONNMAN_DEVICE_POLICY_AUTO;
 850
 851         switch (type) {
 852         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 853         case CONNMAN_DEVICE_TYPE_VENDOR:
 854                 device->priority = 0;
 855                 device->scan_interval = 0;
 856                 break;
 857         case CONNMAN_DEVICE_TYPE_ETHERNET:
 858         case CONNMAN_DEVICE_TYPE_WIFI:
 859                 device->priority = 100;
 860                 device->scan_interval = 300;
 861                 break;
 862         case CONNMAN_DEVICE_TYPE_WIMAX:
 863                 device->priority = 20;
 864                 device->scan_interval = 0;
 865                 break;
 866         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 867                 device->priority = 50;
 868                 device->scan_interval = 0;
 869                 break;
 870         case CONNMAN_DEVICE_TYPE_GPS:
 871                 device->priority = 0;
 872                 device->scan_interval = 0;
 873                 break;
 874         case CONNMAN_DEVICE_TYPE_HSO:
 875         case CONNMAN_DEVICE_TYPE_NOZOMI:
 876         case CONNMAN_DEVICE_TYPE_HUAWEI:
 877         case CONNMAN_DEVICE_TYPE_NOVATEL:
 878                 device->priority = 60;
 879                 device->scan_interval = 0;
 880                 break;
 881         }
 882
 883         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 884                                                 g_free, unregister_network);
 885
 886         return device;
 887 }
 888
 889 /**
 890  * connman_device_ref:
 891  * @device: device structure
 892  *
 893  * Increase reference counter of device
 894  */
 895 struct connman_device *connman_device_ref(struct connman_device *device)
 896 {
 897         if (connman_element_ref(&device->element) == NULL)
 898                 return NULL;
 899
 900         return device;
 901 }
 902
 903 /**
 904  * connman_device_unref:
 905  * @device: device structure
 906  *
 907  * Decrease reference counter of device
 908  */
 909 void connman_device_unref(struct connman_device *device)
 910 {
 911         connman_element_unref(&device->element);
 912 }
 913
 914 /**
 915  * connman_device_get_name:
 916  * @device: device structure
 917  *
 918  * Get unique name of device
 919  */
 920 const char *connman_device_get_name(struct connman_device *device)
 921 {
 922         return device->element.name;
 923 }
 924
 925 /**
 926  * connman_device_get_path:
 927  * @device: device structure
 928  *
 929  * Get path name of device
 930  */
 931 const char *connman_device_get_path(struct connman_device *device)
 932 {
 933         return device->element.path;
 934 }
 935
 936 /**
 937  * connman_device_set_index:
 938  * @device: device structure
 939  * @index: index number
 940  *
 941  * Set index number of device
 942  */
 943 void connman_device_set_index(struct connman_device *device, int index)
 944 {
 945         device->element.index = index;
 946 }
 947
 948 /**
 949  * connman_device_get_index:
 950  * @device: device structure
 951  *
 952  * Get index number of device
 953  */
 954 int connman_device_get_index(struct connman_device *device)
 955 {
 956         return device->element.index;
 957 }
 958
 959 /**
 960  * connman_device_set_interface:
 961  * @device: device structure
 962  * @interface: interface name
 963  *
 964  * Set interface name of device
 965  */
 966 void connman_device_set_interface(struct connman_device *device,
 967                                                         const char *interface)
 968 {
 969         g_free(device->element.devname);
 970         device->element.devname = g_strdup(interface);
 971
 972         g_free(device->interface);
 973         device->interface = g_strdup(interface);
 974 }
 975
 976 /**
 977  * connman_device_get_interface:
 978  * @device: device structure
 979  *
 980  * Get interface name of device
 981  */
 982 const char *connman_device_get_interface(struct connman_device *device)
 983 {
 984         return device->interface;
 985 }
 986
 987 /**
 988  * connman_device_set_policy:
 989  * @device: device structure
 990  * @policy: power and connection policy
 991  *
 992  * Change power and connection policy of device
 993  */
 994 void connman_device_set_policy(struct connman_device *device,
 995                                         enum connman_device_policy policy)
 996 {
 997         device->policy = policy;
 998 }
 999
1000 /**
1001  * connman_device_set_mode:
1002  * @device: device structure
1003  * @mode: network mode
1004  *
1005  * Change network mode of device
1006  */
1007 void connman_device_set_mode(struct connman_device *device,
1008                                                 enum connman_device_mode mode)
1009 {
1010         device->mode = mode;
1011 }
1012
1013 /**
1014  * connman_device_get_mode:
1015  * @device: device structure
1016  *
1017  * Get network mode of device
1018  */
1019 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1020 {
1021         return device->mode;
1022 }
1023
1024 /**
1025  * connman_device_set_powered:
1026  * @device: device structure
1027  * @powered: powered state
1028  *
1029  * Change power state of device
1030  */
1031 int connman_device_set_powered(struct connman_device *device,
1032                                                 connman_bool_t powered)
1033 {
1034         DBusMessage *signal;
1035         DBusMessageIter entry, value;
1036         const char *key = "Powered";
1037
1038         DBG("driver %p powered %d", device, powered);
1039
1040         if (device->powered == powered)
1041                 return -EALREADY;
1042
1043         device->powered = powered;
1044
1045         if (device->registered == FALSE)
1046                 return 0;
1047
1048         signal = dbus_message_new_signal(device->element.path,
1049                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1050         if (signal == NULL)
1051                 return 0;
1052
1053         dbus_message_iter_init_append(signal, &entry);
1054
1055         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1056
1057         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1058                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1059         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &powered);
1060         dbus_message_iter_close_container(&entry, &value);
1061
1062         g_dbus_send_message(connection, signal);
1063
1064         if (powered == FALSE)
1065                 return 0;
1066
1067         if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
1068                 return 0;
1069
1070         if (device->scan_timeout > 0) {
1071                 g_source_remove(device->scan_timeout);
1072                 device->scan_timeout = 0;
1073         }
1074
1075         if (device->scan_interval > 0) {
1076                 guint interval = device->scan_interval;
1077                 device->scan_timeout = g_timeout_add_seconds(interval,
1078                                         device_scan_trigger, device);
1079         }
1080
1081         if (device->driver->scan)
1082                 device->driver->scan(device);
1083
1084         return 0;
1085 }
1086
1087 /**
1088  * connman_device_set_carrier:
1089  * @device: device structure
1090  * @carrier: carrier state
1091  *
1092  * Change carrier state of device (only for device without scanning)
1093  */
1094 int connman_device_set_carrier(struct connman_device *device,
1095                                                 connman_bool_t carrier)
1096 {
1097         DBG("driver %p carrier %d", device, carrier);
1098
1099         switch (device->mode) {
1100         case CONNMAN_DEVICE_MODE_UNKNOWN:
1101         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1102         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1103                 return -EINVAL;
1104         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1105                 break;
1106         }
1107
1108         if (device->carrier == carrier)
1109                 return -EALREADY;
1110
1111         device->carrier = carrier;
1112
1113         if (carrier == TRUE) {
1114                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
1115                 struct connman_element *element;
1116
1117                 switch (device->element.ipv4.method) {
1118                 case CONNMAN_IPV4_METHOD_UNKNOWN:
1119                 case CONNMAN_IPV4_METHOD_OFF:
1120                         return 0;
1121                 case CONNMAN_IPV4_METHOD_STATIC:
1122                         type = CONNMAN_ELEMENT_TYPE_IPV4;
1123                         break;
1124                 case CONNMAN_IPV4_METHOD_DHCP:
1125                         type = CONNMAN_ELEMENT_TYPE_DHCP;
1126                         break;
1127                 }
1128
1129                 element = connman_element_create(NULL);
1130                 if (element != NULL) {
1131                         element->type  = type;
1132                         element->index = device->element.index;
1133
1134                         if (connman_element_register(element,
1135                                                         &device->element) < 0)
1136                                 connman_element_unref(element);
1137                 }
1138         } else
1139                 connman_element_unregister_children(&device->element);
1140
1141         return 0;
1142 }
1143
1144 void __connman_device_disconnect(struct connman_device *device)
1145 {
1146         GHashTableIter iter;
1147         gpointer key, value;
1148
1149         DBG("device %p", device);
1150
1151         connman_device_set_disconnected(device, TRUE);
1152
1153         g_hash_table_iter_init(&iter, device->networks);
1154
1155         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1156                 struct connman_network *network = value;
1157
1158                 if (connman_network_get_connected(network) == TRUE)
1159                         __connman_network_disconnect(network);
1160         }
1161 }
1162
1163 static void connect_known_network(struct connman_device *device)
1164 {
1165         struct connman_network *network = NULL;
1166         GHashTableIter iter;
1167         gpointer key, value;
1168         unsigned int count = 0;
1169
1170         DBG("device %p", device);
1171
1172         g_hash_table_iter_init(&iter, device->networks);
1173
1174         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1175                 connman_uint8_t old_priority, new_priority;
1176                 connman_uint8_t old_strength, new_strength;
1177                 const char *name;
1178
1179                 count++;
1180
1181                 if (connman_network_get_available(value) == FALSE)
1182                         continue;
1183
1184                 name = connman_network_get_string(value, "Name");
1185                 if (name != NULL && device->last_network != NULL) {
1186                         if (g_str_equal(name, device->last_network) == TRUE) {
1187                                 network = value;
1188                                 break;
1189                         }
1190                 }
1191
1192                 if (connman_network_get_remember(value) == FALSE)
1193                         continue;
1194
1195                 if (network == NULL) {
1196                         network = value;
1197                         continue;
1198                 }
1199
1200                 old_priority = connman_network_get_uint8(network, "Priority");
1201                 new_priority = connman_network_get_uint8(value, "Priority");
1202
1203                 if (new_priority != old_priority) {
1204                         if (new_priority > old_priority)
1205                                 network = value;
1206                         continue;
1207                 }
1208
1209                 old_strength = connman_network_get_uint8(network, "Strength");
1210                 new_strength = connman_network_get_uint8(value, "Strength");
1211
1212                 if (new_strength > old_strength)
1213                         network = value;
1214         }
1215
1216         if (network != NULL) {
1217                 int err;
1218
1219                 err = connman_network_connect(network);
1220                 if (err == 0 || err == -EINPROGRESS)
1221                         return;
1222         }
1223
1224         if (count > 0)
1225                 return;
1226
1227         if (device->driver && device->driver->scan)
1228                 device->driver->scan(device);
1229 }
1230
1231 static void mark_network_unavailable(gpointer key, gpointer value,
1232                                                         gpointer user_data)
1233 {
1234         struct connman_network *network = value;
1235
1236         if (connman_network_get_connected(network) == TRUE)
1237                 return;
1238
1239         connman_network_set_available(network, FALSE);
1240 }
1241
1242 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1243                                                         gpointer user_data)
1244 {
1245         struct connman_network *network = value;
1246
1247         if (connman_network_get_connected(network) == TRUE)
1248                 return FALSE;
1249
1250         if (connman_network_get_remember(network) == TRUE)
1251                 return FALSE;
1252
1253         if (connman_network_get_available(network) == TRUE)
1254                 return FALSE;
1255
1256         return TRUE;
1257 }
1258
1259 /**
1260  * connman_device_set_scanning:
1261  * @device: device structure
1262  * @scanning: scanning state
1263  *
1264  * Change scanning state of device
1265  */
1266 int connman_device_set_scanning(struct connman_device *device,
1267                                                 connman_bool_t scanning)
1268 {
1269         DBusMessage *signal;
1270         DBusMessageIter entry, value;
1271         const char *key = "Scanning";
1272
1273         DBG("driver %p scanning %d", device, scanning);
1274
1275         if (!device->driver || !device->driver->scan)
1276                 return -EINVAL;
1277
1278         if (device->scanning == scanning)
1279                 return -EALREADY;
1280
1281         device->scanning = scanning;
1282
1283         signal = dbus_message_new_signal(device->element.path,
1284                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1285         if (signal == NULL)
1286                 return 0;
1287
1288         dbus_message_iter_init_append(signal, &entry);
1289
1290         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1291
1292         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1293                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1294         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
1295         dbus_message_iter_close_container(&entry, &value);
1296
1297         g_dbus_send_message(connection, signal);
1298
1299         if (scanning == TRUE) {
1300                 if (device->scan_timeout > 0) {
1301                         g_source_remove(device->scan_timeout);
1302                         device->scan_timeout = 0;
1303                 }
1304
1305                 if (device->scan_interval > 0) {
1306                         guint interval = device->scan_interval;
1307                         device->scan_timeout = g_timeout_add_seconds(interval,
1308                                                 device_scan_trigger, device);
1309                 }
1310
1311                 g_hash_table_foreach(device->networks,
1312                                         mark_network_unavailable, NULL);
1313                 return 0;
1314         }
1315
1316         g_hash_table_foreach_remove(device->networks,
1317                                         remove_unavailable_network, NULL);
1318
1319         if (device->connections > 0)
1320                 return 0;
1321
1322         if (device->disconnected == TRUE)
1323                 return 0;
1324
1325         if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
1326                 return 0;
1327
1328         connect_known_network(device);
1329
1330         return 0;
1331 }
1332
1333 /**
1334  * connman_device_set_disconnected:
1335  * @device: device structure
1336  * @disconnected: disconnected state
1337  *
1338  * Change disconnected state of device (only for device with networks)
1339  */
1340 int connman_device_set_disconnected(struct connman_device *device,
1341                                                 connman_bool_t disconnected)
1342 {
1343         DBG("driver %p disconnected %d", device, disconnected);
1344
1345         switch (device->mode) {
1346         case CONNMAN_DEVICE_MODE_UNKNOWN:
1347         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1348                 return -EINVAL;
1349         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1350         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1351                 break;
1352         }
1353
1354         if (device->disconnected == disconnected)
1355                 return -EALREADY;
1356
1357         device->disconnected = disconnected;
1358
1359         return 0;
1360 }
1361
1362 /**
1363  * connman_device_set_string:
1364  * @device: device structure
1365  * @key: unique identifier
1366  * @value: string value
1367  *
1368  * Set string value for specific key
1369  */
1370 int connman_device_set_string(struct connman_device *device,
1371                                         const char *key, const char *value)
1372 {
1373         DBG("device %p key %s value %s", device, key, value);
1374
1375         if (g_str_equal(key, "Name") == TRUE) {
1376                 g_free(device->name);
1377                 device->name = g_strdup(value);
1378         } else if (g_str_equal(key, "Node") == TRUE) {
1379                 g_free(device->node);
1380                 device->node = g_strdup(value);
1381         }
1382
1383         return 0;
1384 }
1385
1386 /**
1387  * connman_device_get_string:
1388  * @device: device structure
1389  * @key: unique identifier
1390  *
1391  * Get string value for specific key
1392  */
1393 const char *connman_device_get_string(struct connman_device *device,
1394                                                         const char *key)
1395 {
1396         DBG("device %p key %s", device, key);
1397
1398         if (g_str_equal(key, "Name") == TRUE)
1399                 return device->name;
1400         else if (g_str_equal(key, "Node") == TRUE)
1401                 return device->node;
1402
1403         return NULL;
1404 }
1405
1406 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1407 {
1408         struct connman_device *device = element->device;
1409         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1410         connman_bool_t powered;
1411
1412         DBG("element %p name %s", element, element->name);
1413
1414         if (device == NULL)
1415                 return;
1416
1417         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1418
1419         if (device->powered == powered)
1420                 return;
1421
1422         set_powered(device, powered);
1423 }
1424
1425 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1426 {
1427         DBG("offlinmode %d", offlinemode);
1428
1429         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1430                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1431
1432         return 0;
1433 }
1434
1435 void __connman_device_increase_connections(struct connman_device *device)
1436 {
1437         device->connections++;
1438 }
1439
1440 void __connman_device_decrease_connections(struct connman_device *device)
1441 {
1442         device->connections--;
1443 }
1444
1445 /**
1446  * connman_device_add_network:
1447  * @device: device structure
1448  * @network: network structure
1449  *
1450  * Add new network to the device
1451  */
1452 int connman_device_add_network(struct connman_device *device,
1453                                         struct connman_network *network)
1454 {
1455         const char *identifier = connman_network_get_identifier(network);
1456         int err;
1457
1458         DBG("device %p network %p", device, network);
1459
1460         switch (device->mode) {
1461         case CONNMAN_DEVICE_MODE_UNKNOWN:
1462         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1463                 return -EINVAL;
1464         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1465         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1466                 break;
1467         }
1468
1469         __connman_network_set_device(network, device);
1470
1471         __connman_storage_load_network(network);
1472
1473         err = connman_element_register((struct connman_element *) network,
1474                                                         &device->element);
1475         if (err < 0) {
1476                 __connman_network_set_device(network, NULL);
1477                 return err;
1478         }
1479
1480         g_hash_table_insert(device->networks, g_strdup(identifier),
1481                                                                 network);
1482
1483         return 0;
1484 }
1485
1486 /**
1487  * connman_device_get_network:
1488  * @device: device structure
1489  * @identifier: network identifier
1490  *
1491  * Get network for given identifier
1492  */
1493 struct connman_network *connman_device_get_network(struct connman_device *device,
1494                                                         const char *identifier)
1495 {
1496         DBG("device %p identifier %s", device, identifier);
1497
1498         return g_hash_table_lookup(device->networks, identifier);
1499 }
1500
1501 /**
1502  * connman_device_remove_network:
1503  * @device: device structure
1504  * @identifier: network identifier
1505  *
1506  * Remove network for given identifier
1507  */
1508 int connman_device_remove_network(struct connman_device *device,
1509                                                         const char *identifier)
1510 {
1511         DBG("device %p identifier %s", device, identifier);
1512
1513         g_hash_table_remove(device->networks, identifier);
1514
1515         return 0;
1516 }
1517
1518 void __connman_device_set_network(struct connman_device *device,
1519                                         struct connman_network *network)
1520 {
1521         const char *name;
1522
1523         if (network != NULL) {
1524                 name = connman_network_get_string(network, "Name");
1525                 device->last_network = g_strdup(name);
1526         }
1527
1528         device->network = network;
1529 }
1530
1531 /**
1532  * connman_device_register:
1533  * @device: device structure
1534  *
1535  * Register device with the system
1536  */
1537 int connman_device_register(struct connman_device *device)
1538 {
1539         __connman_storage_load_device(device);
1540
1541         switch (device->mode) {
1542         case CONNMAN_DEVICE_MODE_UNKNOWN:
1543         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1544                 break;
1545         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1546         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1547                 __connman_storage_init_network(device);
1548                 break;
1549         }
1550
1551         return connman_element_register(&device->element, NULL);
1552 }
1553
1554 /**
1555  * connman_device_unregister:
1556  * @device: device structure
1557  *
1558  * Unregister device with the system
1559  */
1560 void connman_device_unregister(struct connman_device *device)
1561 {
1562         __connman_storage_save_device(device);
1563
1564         connman_element_unregister(&device->element);
1565 }
1566
1567 /**
1568  * connman_device_get_data:
1569  * @device: device structure
1570  *
1571  * Get private device data pointer
1572  */
1573 void *connman_device_get_data(struct connman_device *device)
1574 {
1575         return device->driver_data;
1576 }
1577
1578 /**
1579  * connman_device_set_data:
1580  * @device: device structure
1581  * @data: data pointer
1582  *
1583  * Set private device data pointer
1584  */
1585 void connman_device_set_data(struct connman_device *device, void *data)
1586 {
1587         device->driver_data = data;
1588 }
1589
1590 static gboolean match_driver(struct connman_device *device,
1591                                         struct connman_device_driver *driver)
1592 {
1593         if (device->type == driver->type ||
1594                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1595                 return TRUE;
1596
1597         return FALSE;
1598 }
1599
1600 static int device_probe(struct connman_element *element)
1601 {
1602         struct connman_device *device = element->device;
1603         GSList *list;
1604
1605         DBG("element %p name %s", element, element->name);
1606
1607         if (device == NULL)
1608                 return -ENODEV;
1609
1610         if (device->driver != NULL)
1611                 return -EALREADY;
1612
1613         for (list = driver_list; list; list = list->next) {
1614                 struct connman_device_driver *driver = list->data;
1615
1616                 if (match_driver(device, driver) == FALSE)
1617                         continue;
1618
1619                 DBG("driver %p name %s", driver, driver->name);
1620
1621                 if (driver->probe(device) == 0) {
1622                         device->driver = driver;
1623                         break;
1624                 }
1625         }
1626
1627         if (device->driver == NULL)
1628                 return -ENODEV;
1629
1630         return setup_device(device);
1631 }
1632
1633 static void device_remove(struct connman_element *element)
1634 {
1635         struct connman_device *device = element->device;
1636
1637         DBG("element %p name %s", element, element->name);
1638
1639         if (device == NULL)
1640                 return;
1641
1642         if (device->driver == NULL)
1643                 return;
1644
1645         remove_device(device);
1646 }
1647
1648 static struct connman_driver device_driver = {
1649         .name           = "device",
1650         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1651         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1652         .probe          = device_probe,
1653         .remove         = device_remove,
1654 };
1655
1656 static int device_load(struct connman_device *device)
1657 {
1658         GKeyFile *keyfile;
1659         gchar *pathname, *data = NULL;
1660         gsize length;
1661         char *str;
1662         int val;
1663
1664         DBG("device %p", device);
1665
1666         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1667                                                         device->element.name);
1668         if (pathname == NULL)
1669                 return -ENOMEM;
1670
1671         keyfile = g_key_file_new();
1672
1673         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1674                 g_free(pathname);
1675                 return -ENOENT;
1676         }
1677
1678         g_free(pathname);
1679
1680         if (g_key_file_load_from_data(keyfile, data, length,
1681                                                         0, NULL) == FALSE) {
1682                 g_free(data);
1683                 return -EILSEQ;
1684         }
1685
1686         g_free(data);
1687
1688         str = g_key_file_get_string(keyfile, "Configuration", "Policy", NULL);
1689         if (str != NULL) {
1690                 device->policy = string2policy(str);
1691                 g_free(str);
1692         }
1693
1694         val = g_key_file_get_integer(keyfile, "Configuration",
1695                                                         "Priority", NULL);
1696         if (val > 0)
1697                 device->priority = val;
1698
1699         switch (device->mode) {
1700         case CONNMAN_DEVICE_MODE_UNKNOWN:
1701         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1702                 break;
1703         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1704         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1705                 val = g_key_file_get_integer(keyfile, "Configuration",
1706                                                         "ScanInterval", NULL);
1707                 if (val > 0)
1708                         device->scan_interval = val;
1709                 break;
1710         }
1711
1712         str = g_key_file_get_string(keyfile, "Configuration",
1713                                                         "LastNetwork", NULL);
1714         if (str != NULL)
1715                 device->last_network = str;
1716
1717         g_key_file_free(keyfile);
1718
1719         return 0;
1720 }
1721
1722 static int device_save(struct connman_device *device)
1723 {
1724         GKeyFile *keyfile;
1725         gchar *pathname, *data = NULL;
1726         gsize length;
1727         const char *str;
1728
1729         DBG("device %p", device);
1730
1731         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1732                                                         device->element.name);
1733         if (pathname == NULL)
1734                 return -ENOMEM;
1735
1736         keyfile = g_key_file_new();
1737
1738         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1739                 goto update;
1740
1741         if (length > 0) {
1742                 if (g_key_file_load_from_data(keyfile, data, length,
1743                                                         0, NULL) == FALSE)
1744                         goto done;
1745         }
1746
1747         g_free(data);
1748
1749 update:
1750         str = policy2string(device->policy);
1751         if (str != NULL)
1752                 g_key_file_set_string(keyfile, "Configuration", "Policy", str);
1753
1754         if (device->priority > 0)
1755                 g_key_file_set_integer(keyfile, "Configuration",
1756                                                 "Priority", device->priority);
1757
1758         switch (device->mode) {
1759         case CONNMAN_DEVICE_MODE_UNKNOWN:
1760         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1761                 break;
1762         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1763         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1764                 if (device->scan_interval > 0)
1765                         g_key_file_set_integer(keyfile, "Configuration",
1766                                         "ScanInterval", device->scan_interval);
1767                 break;
1768         }
1769
1770         if (device->last_network != NULL)
1771                 g_key_file_set_string(keyfile, "Configuration",
1772                                         "LastNetwork", device->last_network);
1773
1774         data = g_key_file_to_data(keyfile, &length, NULL);
1775
1776         g_file_set_contents(pathname, data, length, NULL);
1777
1778 done:
1779         g_free(data);
1780
1781         g_key_file_free(keyfile);
1782
1783         g_free(pathname);
1784
1785         if (device->network != NULL)
1786                 __connman_storage_save_network(device->network);
1787
1788         return 0;
1789 }
1790
1791 static struct connman_storage device_storage = {
1792         .name           = "device",
1793         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1794         .device_load    = device_load,
1795         .device_save    = device_save,
1796 };
1797
1798 int __connman_device_init(void)
1799 {
1800         DBG("");
1801
1802         connection = connman_dbus_get_connection();
1803
1804         if (connman_storage_register(&device_storage) < 0)
1805                 connman_error("Failed to register device storage");
1806
1807         return connman_driver_register(&device_driver);
1808 }
1809
1810 void __connman_device_cleanup(void)
1811 {
1812         DBG("");
1813
1814         connman_driver_unregister(&device_driver);
1815
1816         connman_storage_unregister(&device_storage);
1817
1818         dbus_connection_unref(connection);
1819 }