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

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