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         gboolean powered;
  37         gboolean carrier;
  38         gboolean scanning;
  39         char *path;
  40         char *interface;
  41
  42         struct connman_device_driver *driver;
  43         void *driver_data;
  44
  45         GHashTable *networks;
  46 };
  47
  48 static const char *type2description(enum connman_device_type type)
  49 {
  50         switch (type) {
  51         case CONNMAN_DEVICE_TYPE_UNKNOWN:
  52         case CONNMAN_DEVICE_TYPE_VENDOR:
  53                 break;
  54         case CONNMAN_DEVICE_TYPE_ETHERNET:
  55                 return "Ethernet";
  56         case CONNMAN_DEVICE_TYPE_WIFI:
  57                 return "Wireless";
  58         case CONNMAN_DEVICE_TYPE_WIMAX:
  59                 return "WiMAX";
  60         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
  61                 return "Bluetooth";
  62         case CONNMAN_DEVICE_TYPE_HSO:
  63         case CONNMAN_DEVICE_TYPE_HUAWEI:
  64         case CONNMAN_DEVICE_TYPE_NOVATEL:
  65                 return "Cellular";
  66         }
  67
  68         return NULL;
  69 }
  70
  71 static const char *type2string(enum connman_device_type type)
  72 {
  73         switch (type) {
  74         case CONNMAN_DEVICE_TYPE_UNKNOWN:
  75         case CONNMAN_DEVICE_TYPE_VENDOR:
  76                 break;
  77         case CONNMAN_DEVICE_TYPE_ETHERNET:
  78                 return "ethernet";
  79         case CONNMAN_DEVICE_TYPE_WIFI:
  80                 return "wifi";
  81         case CONNMAN_DEVICE_TYPE_WIMAX:
  82                 return "wimax";
  83         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
  84                 return "bluetooth";
  85         case CONNMAN_DEVICE_TYPE_HSO:
  86         case CONNMAN_DEVICE_TYPE_HUAWEI:
  87         case CONNMAN_DEVICE_TYPE_NOVATEL:
  88                 return "cellular";
  89         }
  90
  91         return NULL;
  92 }
  93
  94 static const char *policy2string(enum connman_device_policy policy)
  95 {
  96         switch (policy) {
  97         case CONNMAN_DEVICE_POLICY_UNKNOWN:
  98                 break;
  99         case CONNMAN_DEVICE_POLICY_IGNORE:
 100                 return "ignore";
 101         case CONNMAN_DEVICE_POLICY_OFF:
 102                 return "off";
 103         case CONNMAN_DEVICE_POLICY_AUTO:
 104                 return "auto";
 105         case CONNMAN_DEVICE_POLICY_MANUAL:
 106                 return "manual";
 107         }
 108
 109         return NULL;
 110 }
 111
 112 static enum connman_device_policy string2policy(const char *policy)
 113 {
 114         if (g_str_equal(policy, "ignore") == TRUE)
 115                 return CONNMAN_DEVICE_POLICY_IGNORE;
 116         else if (g_str_equal(policy, "off") == TRUE)
 117                 return CONNMAN_DEVICE_POLICY_OFF;
 118         else if (g_str_equal(policy, "auto") == TRUE)
 119                 return CONNMAN_DEVICE_POLICY_AUTO;
 120         else if (g_str_equal(policy, "manual") == TRUE)
 121                 return CONNMAN_DEVICE_POLICY_MANUAL;
 122         else
 123                 return CONNMAN_DEVICE_POLICY_UNKNOWN;
 124 }
 125
 126 static int set_powered(struct connman_device *device, gboolean powered)
 127 {
 128         struct connman_device_driver *driver = device->driver;
 129         int err;
 130
 131         DBG("device %p powered %d", device, powered);
 132
 133         if (!driver)
 134                 return -EINVAL;
 135
 136         if (powered == TRUE) {
 137                 if (driver->enable)
 138                         err = driver->enable(device);
 139                 else
 140                         err = -EINVAL;
 141         } else {
 142                 g_hash_table_remove_all(device->networks);
 143
 144                 if (driver->disable)
 145                         err = driver->disable(device);
 146                 else
 147                         err = -EINVAL;
 148         }
 149
 150         return err;
 151 }
 152
 153 static int set_policy(DBusConnection *connection,
 154                                 struct connman_device *device,
 155                                         enum connman_device_policy policy)
 156 {
 157         DBusMessage *signal;
 158         DBusMessageIter entry, value;
 159         const char *str, *key = "Policy";
 160         int err = 0;
 161
 162         DBG("device %p policy %d", device, policy);
 163
 164         if (device->policy == policy)
 165                 return 0;
 166
 167         switch (policy) {
 168         case CONNMAN_DEVICE_POLICY_UNKNOWN:
 169                 return -EINVAL;
 170         case CONNMAN_DEVICE_POLICY_IGNORE:
 171                 break;
 172         case CONNMAN_DEVICE_POLICY_OFF:
 173                 if (device->powered == TRUE)
 174                         err = set_powered(device, FALSE);
 175                 break;
 176         case CONNMAN_DEVICE_POLICY_AUTO:
 177         case CONNMAN_DEVICE_POLICY_MANUAL:
 178                 if (device->powered == FALSE)
 179                         err = set_powered(device, TRUE);
 180                 break;
 181         }
 182
 183         if (err < 0)
 184                 return err;
 185
 186         device->policy = policy;
 187
 188         signal = dbus_message_new_signal(device->element.path,
 189                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 190         if (signal == NULL)
 191                 return 0;
 192
 193         dbus_message_iter_init_append(signal, &entry);
 194
 195         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 196
 197         str = policy2string(policy);
 198
 199         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 200                                         DBUS_TYPE_STRING_AS_STRING, &value);
 201         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &str);
 202         dbus_message_iter_close_container(&entry, &value);
 203
 204         g_dbus_send_message(connection, signal);
 205
 206         return 0;
 207 }
 208
 209 static void append_networks(struct connman_device *device,
 210                                                 DBusMessageIter *entry)
 211 {
 212         DBusMessageIter value, iter;
 213         const char *key = "Networks";
 214
 215         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 216
 217         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 218                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 219                                                                 &value);
 220
 221         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 222                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 223         __connman_element_list((struct connman_element *) device,
 224                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 225         dbus_message_iter_close_container(&value, &iter);
 226
 227         dbus_message_iter_close_container(entry, &value);
 228 }
 229
 230 static DBusMessage *get_properties(DBusConnection *conn,
 231                                         DBusMessage *msg, void *data)
 232 {
 233         struct connman_device *device = data;
 234         DBusMessage *reply;
 235         DBusMessageIter array, dict, entry;
 236         const char *str;
 237
 238         DBG("conn %p", conn);
 239
 240         reply = dbus_message_new_method_return(msg);
 241         if (reply == NULL)
 242                 return NULL;
 243
 244         dbus_message_iter_init_append(reply, &array);
 245
 246         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 247                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 248                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 249                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 250
 251         str = type2description(device->type);
 252         if (str != NULL && device->interface != NULL) {
 253                 char *name = g_strdup_printf("%s (%s)", str, device->interface);
 254                 if (name != NULL)
 255                         connman_dbus_dict_append_variant(&dict, "Name",
 256                                                 DBUS_TYPE_STRING, &name);
 257                 g_free(name);
 258         }
 259
 260         str = type2string(device->type);
 261         if (str != NULL)
 262                 connman_dbus_dict_append_variant(&dict, "Type",
 263                                                 DBUS_TYPE_STRING, &str);
 264
 265         if (device->interface != NULL)
 266                 connman_dbus_dict_append_variant(&dict, "Interface",
 267                                         DBUS_TYPE_STRING, &device->interface);
 268
 269         str = policy2string(device->policy);
 270         if (str != NULL)
 271                 connman_dbus_dict_append_variant(&dict, "Policy",
 272                                                 DBUS_TYPE_STRING, &str);
 273
 274         connman_dbus_dict_append_variant(&dict, "Powered",
 275                                         DBUS_TYPE_BOOLEAN, &device->powered);
 276
 277         if (device->driver && device->driver->scan)
 278                 connman_dbus_dict_append_variant(&dict, "Scanning",
 279                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 280
 281         switch (device->mode) {
 282         case CONNMAN_DEVICE_MODE_UNKNOWN:
 283         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 284                 break;
 285         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 286         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 287                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 288                                                                 NULL, &entry);
 289                 append_networks(device, &entry);
 290                 dbus_message_iter_close_container(&dict, &entry);
 291                 break;
 292         }
 293
 294         dbus_message_iter_close_container(&array, &dict);
 295
 296         return reply;
 297 }
 298
 299 static DBusMessage *set_property(DBusConnection *conn,
 300                                         DBusMessage *msg, void *data)
 301 {
 302         struct connman_device *device = data;
 303         DBusMessageIter iter, value;
 304         const char *name;
 305
 306         DBG("conn %p", conn);
 307
 308         if (dbus_message_iter_init(msg, &iter) == FALSE)
 309                 return __connman_error_invalid_arguments(msg);
 310
 311         dbus_message_iter_get_basic(&iter, &name);
 312         dbus_message_iter_next(&iter);
 313         dbus_message_iter_recurse(&iter, &value);
 314
 315         if (__connman_security_check_privileges(msg) < 0)
 316                 return __connman_error_permission_denied(msg);
 317
 318         if (g_str_equal(name, "Powered") == TRUE) {
 319                 gboolean powered;
 320                 int err;
 321
 322                 dbus_message_iter_get_basic(&value, &powered);
 323
 324                 if (device->powered == powered)
 325                         return __connman_error_invalid_arguments(msg);
 326
 327                 err = set_powered(device, powered);
 328                 if (err < 0 && err != -EINPROGRESS)
 329                         return __connman_error_failed(msg);
 330         } else if (g_str_equal(name, "Policy") == TRUE) {
 331                 enum connman_device_policy policy;
 332                 const char *str;
 333                 int err;
 334
 335                 dbus_message_iter_get_basic(&value, &str);
 336                 policy = string2policy(str);
 337                 if (policy == CONNMAN_DEVICE_POLICY_UNKNOWN)
 338                         return __connman_error_invalid_arguments(msg);
 339
 340                 err = set_policy(conn, device, policy);
 341                 if (err < 0)
 342                         return __connman_error_failed(msg);
 343         }
 344
 345         __connman_element_store(&device->element);
 346
 347         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 348 }
 349
 350 static DBusMessage *create_network(DBusConnection *conn,
 351                                         DBusMessage *msg, void *data)
 352 {
 353         DBG("conn %p", conn);
 354
 355         if (__connman_security_check_privileges(msg) < 0)
 356                 return __connman_error_permission_denied(msg);
 357
 358         return __connman_error_invalid_arguments(msg);
 359 }
 360
 361 static DBusMessage *remove_network(DBusConnection *conn,
 362                                         DBusMessage *msg, void *data)
 363 {
 364         DBG("conn %p", conn);
 365
 366         if (__connman_security_check_privileges(msg) < 0)
 367                 return __connman_error_permission_denied(msg);
 368
 369         return __connman_error_invalid_arguments(msg);
 370 }
 371
 372 static DBusMessage *propose_scan(DBusConnection *conn,
 373                                         DBusMessage *msg, void *data)
 374 {
 375         struct connman_device *device = data;
 376         int err;
 377
 378         DBG("conn %p", conn);
 379
 380         switch (device->mode) {
 381         case CONNMAN_DEVICE_MODE_UNKNOWN:
 382         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 383                 return __connman_error_not_supported(msg);
 384         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 385         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 386                 break;
 387         }
 388
 389         if (!device->driver || !device->driver->scan)
 390                 return __connman_error_not_supported(msg);
 391
 392         err = device->driver->scan(device);
 393         if (err < 0)
 394                 return __connman_error_failed(msg);
 395
 396         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 397 }
 398
 399 static GDBusMethodTable device_methods[] = {
 400         { "GetProperties", "",      "a{sv}", get_properties },
 401         { "SetProperty",   "sv",    "",      set_property   },
 402         { "CreateNetwork", "a{sv}", "o",     create_network },
 403         { "RemoveNetwork", "o",     "",      remove_network },
 404         { "ProposeScan",   "",      "",      propose_scan   },
 405         { },
 406 };
 407
 408 static GDBusSignalTable device_signals[] = {
 409         { "PropertyChanged", "sv" },
 410         { },
 411 };
 412
 413 static DBusConnection *connection;
 414
 415 static void append_devices(DBusMessageIter *entry)
 416 {
 417         DBusMessageIter value, iter;
 418         const char *key = "Devices";
 419
 420         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 421
 422         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 423                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 424                                                                 &value);
 425
 426         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 427                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 428         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 429         dbus_message_iter_close_container(&value, &iter);
 430
 431         dbus_message_iter_close_container(entry, &value);
 432 }
 433
 434 static void emit_devices_signal(void)
 435 {
 436         DBusMessage *signal;
 437         DBusMessageIter entry;
 438
 439         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 440                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 441         if (signal == NULL)
 442                 return;
 443
 444         dbus_message_iter_init_append(signal, &entry);
 445
 446         append_devices(&entry);
 447
 448         g_dbus_send_message(connection, signal);
 449 }
 450
 451 static int register_interface(struct connman_element *element)
 452 {
 453         struct connman_device *device = element->device;
 454
 455         DBG("element %p name %s", element, element->name);
 456
 457         if (g_dbus_register_interface(connection, element->path,
 458                                         CONNMAN_DEVICE_INTERFACE,
 459                                         device_methods, device_signals,
 460                                         NULL, device, NULL) == FALSE) {
 461                 connman_error("Failed to register %s device", element->path);
 462                 return -EIO;
 463         }
 464
 465         emit_devices_signal();
 466
 467         return 0;
 468 }
 469
 470 static void unregister_interface(struct connman_element *element)
 471 {
 472         DBG("element %p name %s", element, element->name);
 473
 474         emit_devices_signal();
 475
 476         g_dbus_unregister_interface(connection, element->path,
 477                                                 CONNMAN_DEVICE_INTERFACE);
 478 }
 479
 480 static void device_enable(struct connman_device *device)
 481 {
 482         DBG("device %p", device);
 483
 484         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE ||
 485                                 device->policy == CONNMAN_DEVICE_POLICY_OFF)
 486                 return;
 487
 488         if (device->powered == TRUE)
 489                 return;
 490
 491         if (device->driver->enable)
 492                 device->driver->enable(device);
 493 }
 494
 495 static void device_disable(struct connman_device *device)
 496 {
 497         DBG("device %p", device);
 498
 499         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE)
 500                 return;
 501
 502         if (device->powered == FALSE)
 503                 return;
 504
 505         g_hash_table_remove_all(device->networks);
 506
 507         if (device->driver->disable)
 508                 device->driver->disable(device);
 509 }
 510
 511 static GSList *driver_list = NULL;
 512
 513 static gint compare_priority(gconstpointer a, gconstpointer b)
 514 {
 515         const struct connman_device_driver *driver1 = a;
 516         const struct connman_device_driver *driver2 = b;
 517
 518         return driver2->priority - driver1->priority;
 519 }
 520
 521 /**
 522  * connman_device_driver_register:
 523  * @driver: device driver definition
 524  *
 525  * Register a new device driver
 526  *
 527  * Returns: %0 on success
 528  */
 529 int connman_device_driver_register(struct connman_device_driver *driver)
 530 {
 531         DBG("driver %p name %s", driver, driver->name);
 532
 533         driver_list = g_slist_insert_sorted(driver_list, driver,
 534                                                         compare_priority);
 535
 536         //__connman_driver_rescan(&device_driver);
 537
 538         return 0;
 539 }
 540
 541 static void remove_driver(struct connman_element *element, gpointer user_data)
 542 {
 543         struct connman_device_driver *driver = user_data;
 544
 545         DBG("element %p name %s", element, element->name);
 546
 547         if (element->device == NULL)
 548                 return;
 549
 550         if (element->device->driver == driver) {
 551                 device_disable(element->device);
 552
 553                 if (driver->remove)
 554                         driver->remove(element->device);
 555
 556                 element->device->driver = NULL;
 557         }
 558 }
 559
 560 /**
 561  * connman_device_driver_unregister:
 562  * @driver: device driver definition
 563  *
 564  * Remove a previously registered device driver
 565  */
 566 void connman_device_driver_unregister(struct connman_device_driver *driver)
 567 {
 568         DBG("driver %p name %s", driver, driver->name);
 569
 570         driver_list = g_slist_remove(driver_list, driver);
 571
 572         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 573                                                 remove_driver, driver);
 574 }
 575
 576 static void unregister_network(gpointer data)
 577 {
 578         struct connman_network *network = data;
 579
 580         DBG("network %p", network);
 581
 582         connman_element_unregister((struct connman_element *) network);
 583
 584         connman_network_unref(network);
 585 }
 586
 587 static void device_destruct(struct connman_element *element)
 588 {
 589         struct connman_device *device = element->device;
 590
 591         DBG("element %p name %s", element, element->name);
 592
 593         g_free(device->path);
 594         g_free(device->interface);
 595
 596         g_hash_table_destroy(device->networks);
 597         device->networks = NULL;
 598 }
 599
 600 /**
 601  * connman_device_create:
 602  * @node: device node name (for example an address)
 603  * @type: device type
 604  *
 605  * Allocate a new device of given #type and assign the #node name to it.
 606  *
 607  * Returns: a newly-allocated #connman_device structure
 608  */
 609 struct connman_device *connman_device_create(const char *node,
 610                                                 enum connman_device_type type)
 611 {
 612         struct connman_device *device;
 613
 614         DBG("node %s type %d", node, type);
 615
 616         device = g_try_new0(struct connman_device, 1);
 617         if (device == NULL)
 618                 return NULL;
 619
 620         DBG("device %p", device);
 621
 622         device->element.refcount = 1;
 623
 624         device->element.name = g_strdup(node);
 625         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 626         device->element.index = -1;
 627
 628         switch (type) {
 629         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 630         case CONNMAN_DEVICE_TYPE_VENDOR:
 631         case CONNMAN_DEVICE_TYPE_WIFI:
 632         case CONNMAN_DEVICE_TYPE_WIMAX:
 633         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 634         case CONNMAN_DEVICE_TYPE_HSO:
 635         case CONNMAN_DEVICE_TYPE_HUAWEI:
 636         case CONNMAN_DEVICE_TYPE_NOVATEL:
 637                 device->element.subtype = CONNMAN_ELEMENT_SUBTYPE_UNKNOWN;
 638                 break;
 639         case CONNMAN_DEVICE_TYPE_ETHERNET:
 640                 device->element.subtype = CONNMAN_ELEMENT_SUBTYPE_ETHERNET;
 641                 break;
 642         }
 643
 644         device->element.device = device;
 645         device->element.destruct = device_destruct;
 646
 647         device->type   = type;
 648         device->mode   = CONNMAN_DEVICE_MODE_UNKNOWN;
 649         device->policy = CONNMAN_DEVICE_POLICY_AUTO;
 650
 651         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 652                                                 g_free, unregister_network);
 653
 654         return device;
 655 }
 656
 657 /**
 658  * connman_device_ref:
 659  * @device: device structure
 660  *
 661  * Increase reference counter of device
 662  */
 663 struct connman_device *connman_device_ref(struct connman_device *device)
 664 {
 665         if (connman_element_ref(&device->element) == NULL)
 666                 return NULL;
 667
 668         return device;
 669 }
 670
 671 /**
 672  * connman_device_unref:
 673  * @device: device structure
 674  *
 675  * Decrease reference counter of device
 676  */
 677 void connman_device_unref(struct connman_device *device)
 678 {
 679         connman_element_unref(&device->element);
 680 }
 681
 682 /**
 683  * connman_device_set_path:
 684  * @device: device structure
 685  * @path: path name
 686  *
 687  * Set path name of device
 688  */
 689 void connman_device_set_path(struct connman_device *device, const char *path)
 690 {
 691         g_free(device->element.devpath);
 692         device->element.devpath = g_strdup(path);
 693
 694         g_free(device->path);
 695         device->path = g_strdup(path);
 696 }
 697
 698 /**
 699  * connman_device_get_path:
 700  * @device: device structure
 701  *
 702  * Get path name of device
 703  */
 704 const char *connman_device_get_path(struct connman_device *device)
 705 {
 706         return device->path;
 707 }
 708
 709 /**
 710  * connman_device_set_index:
 711  * @device: device structure
 712  * @index: index number
 713  *
 714  * Set index number of device
 715  */
 716 void connman_device_set_index(struct connman_device *device, int index)
 717 {
 718         device->element.index = index;
 719 }
 720
 721 /**
 722  * connman_device_get_index:
 723  * @device: device structure
 724  *
 725  * Get index number of device
 726  */
 727 int connman_device_get_index(struct connman_device *device)
 728 {
 729         return device->element.index;
 730 }
 731
 732 /**
 733  * connman_device_set_interface:
 734  * @device: device structure
 735  * @interface: interface name
 736  *
 737  * Set interface name of device
 738  */
 739 void connman_device_set_interface(struct connman_device *device,
 740                                                         const char *interface)
 741 {
 742         g_free(device->element.devname);
 743         device->element.devname = g_strdup(interface);
 744
 745         g_free(device->interface);
 746         device->interface = g_strdup(interface);
 747 }
 748
 749 /**
 750  * connman_device_get_interface:
 751  * @device: device structure
 752  *
 753  * Get interface name of device
 754  */
 755 const char *connman_device_get_interface(struct connman_device *device)
 756 {
 757         return device->interface;
 758 }
 759
 760 /**
 761  * connman_device_set_policy:
 762  * @device: device structure
 763  * @policy: power and connection policy
 764  *
 765  * Change power and connection policy of device
 766  */
 767 void connman_device_set_policy(struct connman_device *device,
 768                                         enum connman_device_policy policy)
 769 {
 770         device->policy = policy;
 771 }
 772
 773 /**
 774  * connman_device_set_mode:
 775  * @device: device structure
 776  * @mode: network mode
 777  *
 778  * Change network mode of device
 779  */
 780 void connman_device_set_mode(struct connman_device *device,
 781                                                 enum connman_device_mode mode)
 782 {
 783         device->mode = mode;
 784 }
 785
 786 /**
 787  * connman_device_set_powered:
 788  * @device: device structure
 789  * @powered: powered state
 790  *
 791  * Change power state of device
 792  */
 793 int connman_device_set_powered(struct connman_device *device,
 794                                                 connman_bool_t powered)
 795 {
 796         DBusMessage *signal;
 797         DBusMessageIter entry, value;
 798         const char *key = "Powered";
 799
 800         DBG("driver %p powered %d", device, powered);
 801
 802         if (device->powered == powered)
 803                 return -EALREADY;
 804
 805         device->powered = powered;
 806
 807         signal = dbus_message_new_signal(device->element.path,
 808                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 809         if (signal == NULL)
 810                 return 0;
 811
 812         dbus_message_iter_init_append(signal, &entry);
 813
 814         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 815
 816         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 817                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 818         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &powered);
 819         dbus_message_iter_close_container(&entry, &value);
 820
 821         g_dbus_send_message(connection, signal);
 822
 823         return 0;
 824 }
 825
 826 /**
 827  * connman_device_set_carrier:
 828  * @device: device structure
 829  * @carrier: carrier state
 830  *
 831  * Change carrier state of device (only for device without scanning)
 832  */
 833 int connman_device_set_carrier(struct connman_device *device,
 834                                                 connman_bool_t carrier)
 835 {
 836         DBG("driver %p carrier %d", device, carrier);
 837
 838         switch (device->mode) {
 839         case CONNMAN_DEVICE_MODE_UNKNOWN:
 840         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 841         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 842                 return -EINVAL;
 843         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 844                 break;
 845         }
 846
 847         if (device->carrier == carrier)
 848                 return -EALREADY;
 849
 850         device->carrier = carrier;
 851
 852         if (carrier == TRUE) {
 853                 struct connman_element *element;
 854
 855                 element = connman_element_create(NULL);
 856                 if (element != NULL) {
 857                         element->type    = CONNMAN_ELEMENT_TYPE_DHCP;
 858                         element->subtype = device->element.subtype;
 859                         element->index   = device->element.index;
 860
 861                         if (connman_element_register(element,
 862                                                         &device->element) < 0)
 863                                 connman_element_unref(element);
 864                 }
 865         } else
 866                 connman_element_unregister_children(&device->element);
 867
 868         return 0;
 869 }
 870
 871 /**
 872  * connman_device_set_scanning:
 873  * @device: device structure
 874  * @scanning: scanning state
 875  *
 876  * Change scanning state of device
 877  */
 878 int connman_device_set_scanning(struct connman_device *device,
 879                                                 connman_bool_t scanning)
 880 {
 881         DBusMessage *signal;
 882         DBusMessageIter entry, value;
 883         const char *key = "Scanning";
 884
 885         DBG("driver %p scanning %d", device, scanning);
 886
 887         if (!device->driver || !device->driver->scan)
 888                 return -EINVAL;
 889
 890         if (device->scanning == scanning)
 891                 return -EALREADY;
 892
 893         device->scanning = scanning;
 894
 895         signal = dbus_message_new_signal(device->element.path,
 896                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 897         if (signal == NULL)
 898                 return 0;
 899
 900         dbus_message_iter_init_append(signal, &entry);
 901
 902         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 903
 904         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 905                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 906         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
 907         dbus_message_iter_close_container(&entry, &value);
 908
 909         g_dbus_send_message(connection, signal);
 910
 911         return 0;
 912 }
 913
 914 /**
 915  * connman_device_add_network:
 916  * @device: device structure
 917  * @network: network structure
 918  *
 919  * Add new network to the device
 920  */
 921 int connman_device_add_network(struct connman_device *device,
 922                                         struct connman_network *network)
 923 {
 924         const char *identifier = connman_network_get_identifier(network);
 925         int err;
 926
 927         DBG("device %p network %p", device, network);
 928
 929         switch (device->mode) {
 930         case CONNMAN_DEVICE_MODE_UNKNOWN:
 931         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 932                 return -EINVAL;
 933         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 934         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 935                 break;
 936         }
 937
 938         __connman_network_set_device(network, device);
 939
 940         err = connman_element_register((struct connman_element *) network,
 941                                                         &device->element);
 942         if (err < 0) {
 943                 __connman_network_set_device(network, NULL);
 944                 return err;
 945         }
 946
 947         g_hash_table_insert(device->networks, g_strdup(identifier),
 948                                                                 network);
 949
 950         return 0;
 951 }
 952
 953 /**
 954  * connman_device_get_network:
 955  * @device: device structure
 956  * @identifier: network identifier
 957  *
 958  * Get network for given identifier
 959  */
 960 struct connman_network *connman_device_get_network(struct connman_device *device,
 961                                                         const char *identifier)
 962 {
 963         DBG("device %p identifier %s", device, identifier);
 964
 965         return g_hash_table_lookup(device->networks, identifier);
 966 }
 967
 968 /**
 969  * connman_device_remove_network:
 970  * @device: device structure
 971  * @identifier: network identifier
 972  *
 973  * Remove network for given identifier
 974  */
 975 int connman_device_remove_network(struct connman_device *device,
 976                                                         const char *identifier)
 977 {
 978         DBG("device %p identifier %s", device, identifier);
 979
 980         g_hash_table_remove(device->networks, identifier);
 981
 982         return 0;
 983 }
 984
 985 /**
 986  * connman_device_register:
 987  * @device: device structure
 988  *
 989  * Register device with the system
 990  */
 991 int connman_device_register(struct connman_device *device)
 992 {
 993         return connman_element_register(&device->element, NULL);
 994 }
 995
 996 /**
 997  * connman_device_unregister:
 998  * @device: device structure
 999  *
1000  * Unregister device with the system
1001  */
1002 void connman_device_unregister(struct connman_device *device)
1003 {
1004         connman_element_unregister(&device->element);
1005 }
1006
1007 /**
1008  * connman_device_get_data:
1009  * @device: device structure
1010  *
1011  * Get private device data pointer
1012  */
1013 void *connman_device_get_data(struct connman_device *device)
1014 {
1015         return device->driver_data;
1016 }
1017
1018 /**
1019  * connman_device_set_data:
1020  * @device: device structure
1021  * @data: data pointer
1022  *
1023  * Set private device data pointer
1024  */
1025 void connman_device_set_data(struct connman_device *device, void *data)
1026 {
1027         device->driver_data = data;
1028 }
1029
1030 static gboolean match_driver(struct connman_device *device,
1031                                         struct connman_device_driver *driver)
1032 {
1033         if (device->type == driver->type ||
1034                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1035                 return TRUE;
1036
1037         return FALSE;
1038 }
1039
1040 static int device_probe(struct connman_element *element)
1041 {
1042         struct connman_device *device = element->device;
1043         GSList *list;
1044         int err;
1045
1046         DBG("element %p name %s", element, element->name);
1047
1048         if (device == NULL)
1049                 return -ENODEV;
1050
1051         for (list = driver_list; list; list = list->next) {
1052                 struct connman_device_driver *driver = list->data;
1053
1054                 if (match_driver(device, driver) == FALSE)
1055                         continue;
1056
1057                 DBG("driver %p name %s", driver, driver->name);
1058
1059                 if (driver->probe(device) == 0) {
1060                         device->driver = driver;
1061                         break;
1062                 }
1063         }
1064
1065         if (device->driver == NULL)
1066                 return -ENODEV;
1067
1068         err = register_interface(element);
1069         if (err < 0) {
1070                 if (device->driver->remove)
1071                         device->driver->remove(device);
1072                 return err;
1073         }
1074
1075         device_enable(device);
1076
1077         return 0;
1078 }
1079
1080 static void device_remove(struct connman_element *element)
1081 {
1082         struct connman_device *device = element->device;
1083
1084         DBG("element %p name %s", element, element->name);
1085
1086         if (device == NULL)
1087                 return;
1088
1089         if (device->driver == NULL)
1090                 return;
1091
1092         device_disable(device);
1093
1094         unregister_interface(element);
1095
1096         if (device->driver->remove)
1097                 device->driver->remove(device);
1098 }
1099
1100 static struct connman_driver device_driver = {
1101         .name           = "device",
1102         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1103         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1104         .probe          = device_probe,
1105         .remove         = device_remove,
1106 };
1107
1108 int __connman_device_init(void)
1109 {
1110         DBG("");
1111
1112         connection = connman_dbus_get_connection();
1113
1114         return connman_driver_register(&device_driver);
1115 }
1116
1117 void __connman_device_cleanup(void)
1118 {
1119         DBG("");
1120
1121         connman_driver_unregister(&device_driver);
1122
1123         dbus_connection_unref(connection);
1124 }