src/technology.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2010  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 <string.h>
  27
  28 #include <gdbus.h>
  29
  30 #include "connman.h"
  31
  32 static DBusConnection *connection;
  33
  34 static GHashTable *rfkill_table;
  35 static GHashTable *device_table;
  36 static GSList *technology_list = NULL;
  37
  38 struct connman_rfkill {
  39         unsigned int index;
  40         enum connman_service_type type;
  41         connman_bool_t softblock;
  42         connman_bool_t hardblock;
  43 };
  44
  45 enum connman_technology_state {
  46         CONNMAN_TECHNOLOGY_STATE_UNKNOWN   = 0,
  47         CONNMAN_TECHNOLOGY_STATE_OFFLINE   = 1,
  48         CONNMAN_TECHNOLOGY_STATE_AVAILABLE = 2,
  49         CONNMAN_TECHNOLOGY_STATE_BLOCKED   = 3,
  50         CONNMAN_TECHNOLOGY_STATE_ENABLED   = 4,
  51         CONNMAN_TECHNOLOGY_STATE_CONNECTED = 5,
  52 };
  53
  54 struct connman_technology {
  55         gint refcount;
  56         enum connman_service_type type;
  57         enum connman_technology_state state;
  58         char *path;
  59         GHashTable *rfkill_list;
  60         GSList *device_list;
  61         gint enabled;
  62         gint blocked;
  63         char *regdom;
  64
  65         connman_bool_t tethering;
  66         char *tethering_ident;
  67         char *tethering_passphrase;
  68
  69         struct connman_technology_driver *driver;
  70         void *driver_data;
  71 };
  72
  73 static GSList *driver_list = NULL;
  74
  75 static gint compare_priority(gconstpointer a, gconstpointer b)
  76 {
  77         const struct connman_technology_driver *driver1 = a;
  78         const struct connman_technology_driver *driver2 = b;
  79
  80         return driver2->priority - driver1->priority;
  81 }
  82
  83 /**
  84  * connman_technology_driver_register:
  85  * @driver: Technology driver definition
  86  *
  87  * Register a new technology driver
  88  *
  89  * Returns: %0 on success
  90  */
  91 int connman_technology_driver_register(struct connman_technology_driver *driver)
  92 {
  93         GSList *list;
  94         struct connman_technology *technology;
  95
  96         DBG("driver %p name %s", driver, driver->name);
  97
  98         driver_list = g_slist_insert_sorted(driver_list, driver,
  99                                                         compare_priority);
 100
 101         for (list = technology_list; list; list = list->next) {
 102                 technology = list->data;
 103
 104                 if (technology->driver != NULL)
 105                         continue;
 106
 107                 if (technology->type == driver->type)
 108                         technology->driver = driver;
 109         }
 110
 111         return 0;
 112 }
 113
 114 /**
 115  * connman_technology_driver_unregister:
 116  * @driver: Technology driver definition
 117  *
 118  * Remove a previously registered technology driver
 119  */
 120 void connman_technology_driver_unregister(struct connman_technology_driver *driver)
 121 {
 122         GSList *list;
 123         struct connman_technology *technology;
 124
 125         DBG("driver %p name %s", driver, driver->name);
 126
 127         for (list = technology_list; list; list = list->next) {
 128                 technology = list->data;
 129
 130                 if (technology->driver == NULL)
 131                         continue;
 132
 133                 if (technology->type == driver->type) {
 134                         technology->driver->remove(technology);
 135                         technology->driver = NULL;
 136                 }
 137         }
 138
 139         driver_list = g_slist_remove(driver_list, driver);
 140 }
 141
 142 static void tethering_changed(struct connman_technology *technology)
 143 {
 144         connman_bool_t tethering = technology->tethering;
 145
 146         connman_dbus_property_changed_basic(technology->path,
 147                                 CONNMAN_TECHNOLOGY_INTERFACE, "Tethering",
 148                                                 DBUS_TYPE_BOOLEAN, &tethering);
 149 }
 150
 151 void connman_technology_tethering_notify(struct connman_technology *technology,
 152                                                         connman_bool_t enabled)
 153 {
 154         DBG("technology %p enabled %u", technology, enabled);
 155
 156         if (technology->tethering == enabled)
 157                 return;
 158
 159         technology->tethering = enabled;
 160
 161         tethering_changed(technology);
 162
 163         if (enabled == TRUE)
 164                 __connman_tethering_set_enabled();
 165         else
 166                 __connman_tethering_set_disabled();
 167 }
 168
 169 static int set_tethering(struct connman_technology *technology,
 170                                 const char *bridge, connman_bool_t enabled)
 171 {
 172         const char *ident, *passphrase;
 173
 174         ident = technology->tethering_ident;
 175         passphrase = technology->tethering_passphrase;
 176
 177         if (technology->driver == NULL ||
 178                         technology->driver->set_tethering == NULL)
 179                 return -EOPNOTSUPP;
 180
 181         if (technology->type == CONNMAN_SERVICE_TYPE_WIFI &&
 182             (ident == NULL || passphrase == NULL))
 183                 return -EINVAL;
 184
 185         return technology->driver->set_tethering(technology, ident, passphrase,
 186                                                         bridge, enabled);
 187 }
 188
 189 void connman_technology_regdom_notify(struct connman_technology *technology,
 190                                                         const char *alpha2)
 191 {
 192         DBG("");
 193
 194         if (alpha2 == NULL)
 195                 connman_error("Failed to set regulatory domain");
 196         else
 197                 DBG("Regulatory domain set to %s", alpha2);
 198
 199         g_free(technology->regdom);
 200         technology->regdom = g_strdup(alpha2);
 201 }
 202
 203 int connman_technology_set_regdom(const char *alpha2)
 204 {
 205         GSList *list;
 206
 207         for (list = technology_list; list; list = list->next) {
 208                 struct connman_technology *technology = list->data;
 209
 210                 if (technology->driver == NULL)
 211                         continue;
 212
 213                 if (technology->driver->set_regdom)
 214                         technology->driver->set_regdom(technology, alpha2);
 215         }
 216
 217         return 0;
 218 }
 219
 220 static void free_rfkill(gpointer data)
 221 {
 222         struct connman_rfkill *rfkill = data;
 223
 224         g_free(rfkill);
 225 }
 226
 227 void __connman_technology_list(DBusMessageIter *iter, void *user_data)
 228 {
 229         GSList *list;
 230
 231         for (list = technology_list; list; list = list->next) {
 232                 struct connman_technology *technology = list->data;
 233
 234                 if (technology->path == NULL)
 235                         continue;
 236
 237                 dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 238                                                         &technology->path);
 239         }
 240 }
 241
 242 static void technologies_changed(void)
 243 {
 244         connman_dbus_property_changed_array(CONNMAN_MANAGER_PATH,
 245                         CONNMAN_MANAGER_INTERFACE, "Technologies",
 246                         DBUS_TYPE_OBJECT_PATH, __connman_technology_list, NULL);
 247 }
 248
 249 static const char *state2string(enum connman_technology_state state)
 250 {
 251         switch (state) {
 252         case CONNMAN_TECHNOLOGY_STATE_UNKNOWN:
 253                 break;
 254         case CONNMAN_TECHNOLOGY_STATE_OFFLINE:
 255                 return "offline";
 256         case CONNMAN_TECHNOLOGY_STATE_AVAILABLE:
 257                 return "available";
 258         case CONNMAN_TECHNOLOGY_STATE_BLOCKED:
 259                 return "blocked";
 260         case CONNMAN_TECHNOLOGY_STATE_ENABLED:
 261                 return "enabled";
 262         case CONNMAN_TECHNOLOGY_STATE_CONNECTED:
 263                 return "connected";
 264         }
 265
 266         return NULL;
 267 }
 268
 269 static void state_changed(struct connman_technology *technology)
 270 {
 271         const char *str;
 272
 273         str = state2string(technology->state);
 274         if (str == NULL)
 275                 return;
 276
 277         connman_dbus_property_changed_basic(technology->path,
 278                                 CONNMAN_TECHNOLOGY_INTERFACE, "State",
 279                                                 DBUS_TYPE_STRING, &str);
 280 }
 281
 282 static const char *get_name(enum connman_service_type type)
 283 {
 284         switch (type) {
 285         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 286         case CONNMAN_SERVICE_TYPE_SYSTEM:
 287         case CONNMAN_SERVICE_TYPE_GPS:
 288         case CONNMAN_SERVICE_TYPE_VPN:
 289         case CONNMAN_SERVICE_TYPE_GADGET:
 290                 break;
 291         case CONNMAN_SERVICE_TYPE_ETHERNET:
 292                 return "Wired";
 293         case CONNMAN_SERVICE_TYPE_WIFI:
 294                 return "WiFi";
 295         case CONNMAN_SERVICE_TYPE_WIMAX:
 296                 return "WiMAX";
 297         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 298                 return "Bluetooth";
 299         case CONNMAN_SERVICE_TYPE_CELLULAR:
 300                 return "3G";
 301         }
 302
 303         return NULL;
 304 }
 305
 306 static DBusMessage *get_properties(DBusConnection *conn,
 307                                         DBusMessage *message, void *user_data)
 308 {
 309         struct connman_technology *technology = user_data;
 310         DBusMessage *reply;
 311         DBusMessageIter array, dict;
 312         const char *str;
 313
 314         reply = dbus_message_new_method_return(message);
 315         if (reply == NULL)
 316                 return NULL;
 317
 318         dbus_message_iter_init_append(reply, &array);
 319
 320         connman_dbus_dict_open(&array, &dict);
 321
 322         str = state2string(technology->state);
 323         if (str != NULL)
 324                 connman_dbus_dict_append_basic(&dict, "State",
 325                                                 DBUS_TYPE_STRING, &str);
 326
 327         str = get_name(technology->type);
 328         if (str != NULL)
 329                 connman_dbus_dict_append_basic(&dict, "Name",
 330                                                 DBUS_TYPE_STRING, &str);
 331
 332         str = __connman_service_type2string(technology->type);
 333         if (str != NULL)
 334                 connman_dbus_dict_append_basic(&dict, "Type",
 335                                                 DBUS_TYPE_STRING, &str);
 336
 337         connman_dbus_dict_append_basic(&dict, "Tethering",
 338                                         DBUS_TYPE_BOOLEAN,
 339                                         &technology->tethering);
 340
 341         if (technology->tethering_ident != NULL)
 342                 connman_dbus_dict_append_basic(&dict, "TetheringIdentifier",
 343                                                 DBUS_TYPE_STRING,
 344                                                 &technology->tethering_ident);
 345
 346         if (technology->tethering_passphrase != NULL)
 347                 connman_dbus_dict_append_basic(&dict, "TetheringPassphrase",
 348                                                 DBUS_TYPE_STRING,
 349                                                 &technology->tethering_passphrase);
 350
 351         connman_dbus_dict_close(&array, &dict);
 352
 353         return reply;
 354 }
 355
 356 static DBusMessage *set_property(DBusConnection *conn,
 357                                         DBusMessage *msg, void *data)
 358 {
 359         struct connman_technology *technology = 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         type = dbus_message_iter_get_arg_type(&value);
 374
 375         DBG("property %s", name);
 376
 377         if (g_str_equal(name, "Tethering") == TRUE) {
 378                 int err;
 379                 connman_bool_t tethering;
 380                 const char *bridge;
 381
 382                 if (type != DBUS_TYPE_BOOLEAN)
 383                         return __connman_error_invalid_arguments(msg);
 384
 385                 dbus_message_iter_get_basic(&value, &tethering);
 386
 387                 if (technology->tethering == tethering)
 388                         return __connman_error_in_progress(msg);
 389
 390                 bridge = __connman_tethering_get_bridge();
 391                 if (bridge == NULL)
 392                         return __connman_error_not_supported(msg);
 393
 394                 err = set_tethering(technology, bridge, tethering);
 395                 if (err < 0)
 396                         return __connman_error_failed(msg, -err);
 397
 398         } else if (g_str_equal(name, "TetheringIdentifier") == TRUE) {
 399                 const char *str;
 400
 401                 dbus_message_iter_get_basic(&value, &str);
 402
 403                 if (technology->type != CONNMAN_SERVICE_TYPE_WIFI)
 404                         return __connman_error_not_supported(msg);
 405
 406                 technology->tethering_ident = g_strdup(str);
 407         } else if (g_str_equal(name, "TetheringPassphrase") == TRUE) {
 408                 const char *str;
 409
 410                 dbus_message_iter_get_basic(&value, &str);
 411
 412                 if (technology->type != CONNMAN_SERVICE_TYPE_WIFI)
 413                         return __connman_error_not_supported(msg);
 414
 415                 if (strlen(str) < 8)
 416                         return __connman_error_invalid_arguments(msg);
 417
 418                 technology->tethering_passphrase = g_strdup(str);
 419         } else
 420                 return __connman_error_invalid_property(msg);
 421
 422         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 423 }
 424
 425 static GDBusMethodTable technology_methods[] = {
 426         { "GetProperties", "",   "a{sv}", get_properties },
 427         { "SetProperty",   "sv", "",      set_property   },
 428         { },
 429 };
 430
 431 static GDBusSignalTable technology_signals[] = {
 432         { "PropertyChanged", "sv" },
 433         { },
 434 };
 435
 436 static struct connman_technology *technology_find(enum connman_service_type type)
 437 {
 438         GSList *list;
 439
 440         DBG("type %d", type);
 441
 442         for (list = technology_list; list; list = list->next) {
 443                 struct connman_technology *technology = list->data;
 444
 445                 if (technology->type == type)
 446                         return technology;
 447         }
 448
 449         return NULL;
 450 }
 451
 452 static struct connman_technology *technology_get(enum connman_service_type type)
 453 {
 454         struct connman_technology *technology;
 455         const char *str;
 456         GSList *list;
 457
 458         DBG("type %d", type);
 459
 460         technology = technology_find(type);
 461         if (technology != NULL) {
 462                 g_atomic_int_inc(&technology->refcount);
 463                 goto done;
 464         }
 465
 466         str = __connman_service_type2string(type);
 467         if (str == NULL)
 468                 return NULL;
 469
 470         technology = g_try_new0(struct connman_technology, 1);
 471         if (technology == NULL)
 472                 return NULL;
 473
 474         technology->refcount = 1;
 475
 476         technology->type = type;
 477         technology->path = g_strdup_printf("%s/technology/%s",
 478                                                         CONNMAN_PATH, str);
 479
 480         technology->rfkill_list = g_hash_table_new_full(g_int_hash, g_int_equal,
 481                                                         NULL, free_rfkill);
 482         technology->device_list = NULL;
 483
 484         technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 485
 486         if (g_dbus_register_interface(connection, technology->path,
 487                                         CONNMAN_TECHNOLOGY_INTERFACE,
 488                                         technology_methods, technology_signals,
 489                                         NULL, technology, NULL) == FALSE) {
 490                 connman_error("Failed to register %s", technology->path);
 491                 g_free(technology);
 492                 return NULL;
 493         }
 494
 495         technology_list = g_slist_append(technology_list, technology);
 496
 497         technologies_changed();
 498
 499         if (technology->driver != NULL)
 500                 goto done;
 501
 502         for (list = driver_list; list; list = list->next) {
 503                 struct connman_technology_driver *driver = list->data;
 504
 505                 DBG("driver %p name %s", driver, driver->name);
 506
 507                 if (driver->type != technology->type)
 508                         continue;
 509
 510                 if (driver->probe(technology) == 0) {
 511                         technology->driver = driver;
 512                         break;
 513                 }
 514         }
 515
 516 done:
 517         DBG("technology %p", technology);
 518
 519         return technology;
 520 }
 521
 522 static void technology_put(struct connman_technology *technology)
 523 {
 524         DBG("technology %p", technology);
 525
 526         if (g_atomic_int_dec_and_test(&technology->refcount) == FALSE)
 527                 return;
 528
 529         if (technology->driver) {
 530                 technology->driver->remove(technology);
 531                 technology->driver = NULL;
 532         }
 533
 534         technology_list = g_slist_remove(technology_list, technology);
 535
 536         technologies_changed();
 537
 538         g_dbus_unregister_interface(connection, technology->path,
 539                                                 CONNMAN_TECHNOLOGY_INTERFACE);
 540
 541         g_slist_free(technology->device_list);
 542         g_hash_table_destroy(technology->rfkill_list);
 543
 544         g_free(technology->path);
 545         g_free(technology->regdom);
 546         g_free(technology);
 547 }
 548
 549 void __connman_technology_add_interface(enum connman_service_type type,
 550                                 int index, const char *name, const char *ident)
 551 {
 552         struct connman_technology *technology;
 553
 554         switch (type) {
 555         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 556         case CONNMAN_SERVICE_TYPE_SYSTEM:
 557                 return;
 558         case CONNMAN_SERVICE_TYPE_ETHERNET:
 559         case CONNMAN_SERVICE_TYPE_WIFI:
 560         case CONNMAN_SERVICE_TYPE_WIMAX:
 561         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 562         case CONNMAN_SERVICE_TYPE_CELLULAR:
 563         case CONNMAN_SERVICE_TYPE_GPS:
 564         case CONNMAN_SERVICE_TYPE_VPN:
 565         case CONNMAN_SERVICE_TYPE_GADGET:
 566                 break;
 567         }
 568
 569         connman_info("Create interface %s [ %s ]", name,
 570                                 __connman_service_type2string(type));
 571
 572         technology = technology_get(type);
 573
 574         if (technology == NULL || technology->driver == NULL
 575                         || technology->driver->add_interface == NULL)
 576                 return;
 577
 578         technology->driver->add_interface(technology,
 579                                         index, name, ident);
 580 }
 581
 582 void __connman_technology_remove_interface(enum connman_service_type type,
 583                                 int index, const char *name, const char *ident)
 584 {
 585         struct connman_technology *technology;
 586
 587         switch (type) {
 588         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 589         case CONNMAN_SERVICE_TYPE_SYSTEM:
 590                 return;
 591         case CONNMAN_SERVICE_TYPE_ETHERNET:
 592         case CONNMAN_SERVICE_TYPE_WIFI:
 593         case CONNMAN_SERVICE_TYPE_WIMAX:
 594         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 595         case CONNMAN_SERVICE_TYPE_CELLULAR:
 596         case CONNMAN_SERVICE_TYPE_GPS:
 597         case CONNMAN_SERVICE_TYPE_VPN:
 598         case CONNMAN_SERVICE_TYPE_GADGET:
 599                 break;
 600         }
 601
 602         connman_info("Remove interface %s [ %s ]", name,
 603                                 __connman_service_type2string(type));
 604
 605         technology = technology_find(type);
 606
 607         if (technology == NULL || technology->driver == NULL)
 608                 return;
 609
 610         if (technology->driver->remove_interface)
 611                 technology->driver->remove_interface(technology, index);
 612
 613         technology_put(technology);
 614 }
 615
 616 static void unregister_technology(gpointer data)
 617 {
 618         struct connman_technology *technology = data;
 619
 620         technology_put(technology);
 621 }
 622
 623 int __connman_technology_add_device(struct connman_device *device)
 624 {
 625         struct connman_technology *technology;
 626         enum connman_service_type type;
 627
 628         DBG("device %p", device);
 629
 630         type = __connman_device_get_service_type(device);
 631         __connman_notifier_register(type);
 632
 633         technology = technology_get(type);
 634         if (technology == NULL)
 635                 return -ENXIO;
 636
 637         g_hash_table_insert(device_table, device, technology);
 638
 639         if (g_atomic_int_get(&technology->blocked))
 640                 goto done;
 641
 642         technology->state = CONNMAN_TECHNOLOGY_STATE_AVAILABLE;
 643
 644         state_changed(technology);
 645
 646 done:
 647
 648         technology->device_list = g_slist_append(technology->device_list,
 649                                                                 device);
 650
 651         return 0;
 652 }
 653
 654 int __connman_technology_remove_device(struct connman_device *device)
 655 {
 656         struct connman_technology *technology;
 657         enum connman_service_type type;
 658
 659         DBG("device %p", device);
 660
 661         type = __connman_device_get_service_type(device);
 662         __connman_notifier_unregister(type);
 663
 664         technology = g_hash_table_lookup(device_table, device);
 665         if (technology == NULL)
 666                 return -ENXIO;
 667
 668         technology->device_list = g_slist_remove(technology->device_list,
 669                                                                 device);
 670         if (technology->device_list == NULL) {
 671                 technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 672                 state_changed(technology);
 673         }
 674
 675         g_hash_table_remove(device_table, device);
 676
 677         return 0;
 678 }
 679
 680 int __connman_technology_enable_device(struct connman_device *device)
 681 {
 682         struct connman_technology *technology;
 683         enum connman_service_type type;
 684
 685         DBG("device %p", device);
 686
 687         technology = g_hash_table_lookup(device_table, device);
 688         if (technology == NULL)
 689                 return -ENXIO;
 690
 691         if (g_atomic_int_get(&technology->blocked))
 692                 return -ERFKILL;
 693
 694         type = __connman_device_get_service_type(device);
 695         __connman_notifier_enable(type);
 696
 697         if (g_atomic_int_exchange_and_add(&technology->enabled, 1) == 0) {
 698                 technology->state = CONNMAN_TECHNOLOGY_STATE_ENABLED;
 699                 state_changed(technology);
 700         }
 701
 702         return 0;
 703 }
 704
 705 int __connman_technology_disable_device(struct connman_device *device)
 706 {
 707         struct connman_technology *technology;
 708         enum connman_service_type type;
 709         GSList *list;
 710
 711         DBG("device %p", device);
 712
 713         type = __connman_device_get_service_type(device);
 714         __connman_notifier_disable(type);
 715
 716         technology = g_hash_table_lookup(device_table, device);
 717         if (technology == NULL)
 718                 return -ENXIO;
 719
 720         if (g_atomic_int_dec_and_test(&technology->enabled) == TRUE) {
 721                 technology->state = CONNMAN_TECHNOLOGY_STATE_AVAILABLE;
 722                 state_changed(technology);
 723         }
 724
 725         for (list = technology->device_list; list; list = list->next) {
 726                 struct connman_device *device = list->data;
 727
 728                 if (__connman_device_get_blocked(device) == FALSE)
 729                         return 0;
 730         }
 731
 732         technology->state = CONNMAN_TECHNOLOGY_STATE_BLOCKED;
 733         state_changed(technology);
 734
 735         return 0;
 736 }
 737
 738 static void technology_blocked(struct connman_technology *technology,
 739                                 connman_bool_t blocked)
 740 {
 741         GSList *list;
 742
 743         for (list = technology->device_list; list; list = list->next) {
 744                 struct connman_device *device = list->data;
 745
 746                 __connman_device_set_blocked(device, blocked);
 747         }
 748 }
 749
 750 int __connman_technology_add_rfkill(unsigned int index,
 751                                         enum connman_service_type type,
 752                                                 connman_bool_t softblock,
 753                                                 connman_bool_t hardblock)
 754 {
 755         struct connman_technology *technology;
 756         struct connman_rfkill *rfkill;
 757         connman_bool_t blocked;
 758
 759         DBG("index %u type %d soft %u hard %u", index, type,
 760                                                         softblock, hardblock);
 761
 762         technology = technology_get(type);
 763         if (technology == NULL)
 764                 return -ENXIO;
 765
 766         rfkill = g_try_new0(struct connman_rfkill, 1);
 767         if (rfkill == NULL)
 768                 return -ENOMEM;
 769
 770         rfkill->index = index;
 771         rfkill->type = type;
 772         rfkill->softblock = softblock;
 773         rfkill->hardblock = hardblock;
 774
 775         g_hash_table_replace(rfkill_table, &rfkill->index, technology);
 776
 777         g_hash_table_replace(technology->rfkill_list, &rfkill->index, rfkill);
 778
 779         blocked = (softblock || hardblock) ? TRUE : FALSE;
 780         if (blocked == FALSE)
 781                 return 0;
 782
 783         if (g_atomic_int_exchange_and_add(&technology->blocked, 1) == 0) {
 784                 technology_blocked(technology, TRUE);
 785
 786                 technology->state = CONNMAN_TECHNOLOGY_STATE_BLOCKED;
 787                 state_changed(technology);
 788         }
 789
 790         return 0;
 791 }
 792
 793 int __connman_technology_update_rfkill(unsigned int index,
 794                                                 connman_bool_t softblock,
 795                                                 connman_bool_t hardblock)
 796 {
 797         struct connman_technology *technology;
 798         struct connman_rfkill *rfkill;
 799         connman_bool_t blocked, old_blocked;
 800
 801         DBG("index %u soft %u hard %u", index, softblock, hardblock);
 802
 803         technology = g_hash_table_lookup(rfkill_table, &index);
 804         if (technology == NULL)
 805                 return -ENXIO;
 806
 807         rfkill = g_hash_table_lookup(technology->rfkill_list, &index);
 808         if (rfkill == NULL)
 809                 return -ENXIO;
 810
 811         old_blocked = (rfkill->softblock || rfkill->hardblock) ? TRUE : FALSE;
 812         blocked = (softblock || hardblock) ? TRUE : FALSE;
 813
 814         rfkill->softblock = softblock;
 815         rfkill->hardblock = hardblock;
 816
 817         if (blocked == old_blocked)
 818                 return 0;
 819
 820         if (blocked) {
 821                 guint n_blocked;
 822
 823                 n_blocked =
 824                         g_atomic_int_exchange_and_add(&technology->blocked, 1);
 825                 if (n_blocked != g_hash_table_size(technology->rfkill_list) - 1)
 826                         return 0;
 827
 828                 technology_blocked(technology, blocked);
 829                 technology->state = CONNMAN_TECHNOLOGY_STATE_BLOCKED;
 830                 state_changed(technology);
 831         } else {
 832                 if (g_atomic_int_dec_and_test(&technology->blocked) == FALSE)
 833                         return 0;
 834
 835                 technology_blocked(technology, blocked);
 836                 technology->state = CONNMAN_TECHNOLOGY_STATE_AVAILABLE;
 837                 state_changed(technology);
 838         }
 839
 840         return 0;
 841 }
 842
 843 int __connman_technology_remove_rfkill(unsigned int index)
 844 {
 845         struct connman_technology *technology;
 846         struct connman_rfkill *rfkill;
 847         connman_bool_t blocked;
 848
 849         DBG("index %u", index);
 850
 851         technology = g_hash_table_lookup(rfkill_table, &index);
 852         if (technology == NULL)
 853                 return -ENXIO;
 854
 855         rfkill = g_hash_table_lookup(technology->rfkill_list, &index);
 856         if (rfkill == NULL)
 857                 return -ENXIO;
 858
 859         blocked = (rfkill->softblock || rfkill->hardblock) ? TRUE : FALSE;
 860
 861         g_hash_table_remove(technology->rfkill_list, &index);
 862
 863         g_hash_table_remove(rfkill_table, &index);
 864
 865         if (blocked &&
 866                 g_atomic_int_dec_and_test(&technology->blocked) == TRUE) {
 867                 technology_blocked(technology, FALSE);
 868                 technology->state = CONNMAN_TECHNOLOGY_STATE_AVAILABLE;
 869                 state_changed(technology);
 870         }
 871
 872         return 0;
 873 }
 874
 875 connman_bool_t __connman_technology_get_blocked(enum connman_service_type type)
 876 {
 877         struct connman_technology *technology;
 878
 879         technology = technology_find(type);
 880         if (technology == NULL)
 881                 return FALSE;
 882
 883         if (g_atomic_int_get(&technology->blocked))
 884                 return TRUE;
 885
 886         return FALSE;
 887 }
 888
 889 int __connman_technology_init(void)
 890 {
 891         DBG("");
 892
 893         connection = connman_dbus_get_connection();
 894
 895         rfkill_table = g_hash_table_new_full(g_int_hash, g_int_equal,
 896                                                 NULL, unregister_technology);
 897         device_table = g_hash_table_new_full(g_direct_hash, g_direct_equal,
 898                                                 NULL, unregister_technology);
 899
 900         return 0;
 901 }
 902
 903 void __connman_technology_cleanup(void)
 904 {
 905         DBG("");
 906
 907         g_hash_table_destroy(device_table);
 908         g_hash_table_destroy(rfkill_table);
 909
 910         dbus_connection_unref(connection);
 911 }