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_ENABLED   = 3,
  50         CONNMAN_TECHNOLOGY_STATE_CONNECTED = 4,
  51 };
  52
  53 struct connman_technology {
  54         gint refcount;
  55         enum connman_service_type type;
  56         enum connman_technology_state state;
  57         char *path;
  58         GHashTable *rfkill_list;
  59         GSList *device_list;
  60         gint enabled;
  61         gint blocked;
  62         char *regdom;
  63
  64         connman_bool_t tethering;
  65         char *tethering_ident;
  66         char *tethering_passphrase;
  67
  68         struct connman_technology_driver *driver;
  69         void *driver_data;
  70 };
  71
  72 static GSList *driver_list = NULL;
  73
  74 static gint compare_priority(gconstpointer a, gconstpointer b)
  75 {
  76         const struct connman_technology_driver *driver1 = a;
  77         const struct connman_technology_driver *driver2 = b;
  78
  79         return driver2->priority - driver1->priority;
  80 }
  81
  82 /**
  83  * connman_technology_driver_register:
  84  * @driver: Technology driver definition
  85  *
  86  * Register a new technology driver
  87  *
  88  * Returns: %0 on success
  89  */
  90 int connman_technology_driver_register(struct connman_technology_driver *driver)
  91 {
  92         GSList *list;
  93         struct connman_technology *technology;
  94
  95         DBG("driver %p name %s", driver, driver->name);
  96
  97         driver_list = g_slist_insert_sorted(driver_list, driver,
  98                                                         compare_priority);
  99
 100         for (list = technology_list; list; list = list->next) {
 101                 technology = list->data;
 102
 103                 if (technology->driver != NULL)
 104                         continue;
 105
 106                 if (technology->type == driver->type)
 107                         technology->driver = driver;
 108         }
 109
 110         return 0;
 111 }
 112
 113 /**
 114  * connman_technology_driver_unregister:
 115  * @driver: Technology driver definition
 116  *
 117  * Remove a previously registered technology driver
 118  */
 119 void connman_technology_driver_unregister(struct connman_technology_driver *driver)
 120 {
 121         GSList *list;
 122         struct connman_technology *technology;
 123
 124         DBG("driver %p name %s", driver, driver->name);
 125
 126         for (list = technology_list; list; list = list->next) {
 127                 technology = list->data;
 128
 129                 if (technology->driver == NULL)
 130                         continue;
 131
 132                 if (technology->type == driver->type) {
 133                         technology->driver->remove(technology);
 134                         technology->driver = NULL;
 135                 }
 136         }
 137
 138         driver_list = g_slist_remove(driver_list, driver);
 139 }
 140
 141 static void tethering_changed(struct connman_technology *technology)
 142 {
 143         connman_bool_t tethering = technology->tethering;
 144
 145         connman_dbus_property_changed_basic(technology->path,
 146                                 CONNMAN_TECHNOLOGY_INTERFACE, "Tethering",
 147                                                 DBUS_TYPE_BOOLEAN, &tethering);
 148 }
 149
 150 void connman_technology_tethering_notify(struct connman_technology *technology,
 151                                                         connman_bool_t enabled)
 152 {
 153         DBG("technology %p enabled %u", technology, enabled);
 154
 155         if (technology->tethering == enabled)
 156                 return;
 157
 158         technology->tethering = enabled;
 159
 160         tethering_changed(technology);
 161
 162         if (enabled == TRUE)
 163                 __connman_tethering_set_enabled();
 164         else
 165                 __connman_tethering_set_disabled();
 166 }
 167
 168 static int set_tethering(struct connman_technology *technology,
 169                                 const char *bridge, connman_bool_t enabled)
 170 {
 171         const char *ident, *passphrase;
 172
 173         ident = technology->tethering_ident;
 174         passphrase = technology->tethering_passphrase;
 175
 176         if (technology->driver == NULL ||
 177                         technology->driver->set_tethering == NULL)
 178                 return -EOPNOTSUPP;
 179
 180         if (technology->type == CONNMAN_SERVICE_TYPE_WIFI &&
 181             (ident == NULL || passphrase == NULL))
 182                 return -EINVAL;
 183
 184         return technology->driver->set_tethering(technology, ident, passphrase,
 185                                                         bridge, enabled);
 186 }
 187
 188 void connman_technology_regdom_notify(struct connman_technology *technology,
 189                                                         const char *alpha2)
 190 {
 191         DBG("");
 192
 193         if (alpha2 == NULL)
 194                 connman_error("Failed to set regulatory domain");
 195         else
 196                 DBG("Regulatory domain set to %s", alpha2);
 197
 198         g_free(technology->regdom);
 199         technology->regdom = g_strdup(alpha2);
 200 }
 201
 202 int connman_technology_set_regdom(const char *alpha2)
 203 {
 204         GSList *list;
 205
 206         for (list = technology_list; list; list = list->next) {
 207                 struct connman_technology *technology = list->data;
 208
 209                 if (technology->driver == NULL)
 210                         continue;
 211
 212                 if (technology->driver->set_regdom)
 213                         technology->driver->set_regdom(technology, alpha2);
 214         }
 215
 216         return 0;
 217 }
 218
 219 static void free_rfkill(gpointer data)
 220 {
 221         struct connman_rfkill *rfkill = data;
 222
 223         g_free(rfkill);
 224 }
 225
 226 void __connman_technology_list(DBusMessageIter *iter, void *user_data)
 227 {
 228         GSList *list;
 229
 230         for (list = technology_list; list; list = list->next) {
 231                 struct connman_technology *technology = list->data;
 232
 233                 if (technology->path == NULL)
 234                         continue;
 235
 236                 dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 237                                                         &technology->path);
 238         }
 239 }
 240
 241 static void technologies_changed(void)
 242 {
 243         connman_dbus_property_changed_array(CONNMAN_MANAGER_PATH,
 244                         CONNMAN_MANAGER_INTERFACE, "Technologies",
 245                         DBUS_TYPE_OBJECT_PATH, __connman_technology_list, NULL);
 246 }
 247
 248 static const char *state2string(enum connman_technology_state state)
 249 {
 250         switch (state) {
 251         case CONNMAN_TECHNOLOGY_STATE_UNKNOWN:
 252                 break;
 253         case CONNMAN_TECHNOLOGY_STATE_OFFLINE:
 254                 return "offline";
 255         case CONNMAN_TECHNOLOGY_STATE_AVAILABLE:
 256                 return "available";
 257         case CONNMAN_TECHNOLOGY_STATE_ENABLED:
 258                 return "enabled";
 259         case CONNMAN_TECHNOLOGY_STATE_CONNECTED:
 260                 return "connected";
 261         }
 262
 263         return NULL;
 264 }
 265
 266 static void state_changed(struct connman_technology *technology)
 267 {
 268         const char *str;
 269
 270         str = state2string(technology->state);
 271         if (str == NULL)
 272                 return;
 273
 274         connman_dbus_property_changed_basic(technology->path,
 275                                 CONNMAN_TECHNOLOGY_INTERFACE, "State",
 276                                                 DBUS_TYPE_STRING, &str);
 277 }
 278
 279 static const char *get_name(enum connman_service_type type)
 280 {
 281         switch (type) {
 282         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 283         case CONNMAN_SERVICE_TYPE_SYSTEM:
 284         case CONNMAN_SERVICE_TYPE_GPS:
 285         case CONNMAN_SERVICE_TYPE_VPN:
 286         case CONNMAN_SERVICE_TYPE_GADGET:
 287                 break;
 288         case CONNMAN_SERVICE_TYPE_ETHERNET:
 289                 return "Wired";
 290         case CONNMAN_SERVICE_TYPE_WIFI:
 291                 return "WiFi";
 292         case CONNMAN_SERVICE_TYPE_WIMAX:
 293                 return "WiMAX";
 294         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 295                 return "Bluetooth";
 296         case CONNMAN_SERVICE_TYPE_CELLULAR:
 297                 return "3G";
 298         }
 299
 300         return NULL;
 301 }
 302
 303 static DBusMessage *get_properties(DBusConnection *conn,
 304                                         DBusMessage *message, void *user_data)
 305 {
 306         struct connman_technology *technology = user_data;
 307         DBusMessage *reply;
 308         DBusMessageIter array, dict;
 309         const char *str;
 310
 311         reply = dbus_message_new_method_return(message);
 312         if (reply == NULL)
 313                 return NULL;
 314
 315         dbus_message_iter_init_append(reply, &array);
 316
 317         connman_dbus_dict_open(&array, &dict);
 318
 319         str = state2string(technology->state);
 320         if (str != NULL)
 321                 connman_dbus_dict_append_basic(&dict, "State",
 322                                                 DBUS_TYPE_STRING, &str);
 323
 324         str = get_name(technology->type);
 325         if (str != NULL)
 326                 connman_dbus_dict_append_basic(&dict, "Name",
 327                                                 DBUS_TYPE_STRING, &str);
 328
 329         str = __connman_service_type2string(technology->type);
 330         if (str != NULL)
 331                 connman_dbus_dict_append_basic(&dict, "Type",
 332                                                 DBUS_TYPE_STRING, &str);
 333
 334         connman_dbus_dict_append_basic(&dict, "Tethering",
 335                                         DBUS_TYPE_BOOLEAN,
 336                                         &technology->tethering);
 337
 338         if (technology->tethering_ident != NULL)
 339                 connman_dbus_dict_append_basic(&dict, "TetheringIdentifier",
 340                                                 DBUS_TYPE_STRING,
 341                                                 &technology->tethering_ident);
 342
 343         if (technology->tethering_passphrase != NULL)
 344                 connman_dbus_dict_append_basic(&dict, "TetheringPassphrase",
 345                                                 DBUS_TYPE_STRING,
 346                                                 &technology->tethering_passphrase);
 347
 348         connman_dbus_dict_close(&array, &dict);
 349
 350         return reply;
 351 }
 352
 353 static DBusMessage *set_property(DBusConnection *conn,
 354                                         DBusMessage *msg, void *data)
 355 {
 356         struct connman_technology *technology = data;
 357         DBusMessageIter iter, value;
 358         const char *name;
 359         int type;
 360
 361         DBG("conn %p", conn);
 362
 363         if (dbus_message_iter_init(msg, &iter) == FALSE)
 364                 return __connman_error_invalid_arguments(msg);
 365
 366         dbus_message_iter_get_basic(&iter, &name);
 367         dbus_message_iter_next(&iter);
 368         dbus_message_iter_recurse(&iter, &value);
 369
 370         type = dbus_message_iter_get_arg_type(&value);
 371
 372         DBG("property %s", name);
 373
 374         if (g_str_equal(name, "Tethering") == TRUE) {
 375                 int err;
 376                 connman_bool_t tethering;
 377                 const char *bridge;
 378
 379                 if (type != DBUS_TYPE_BOOLEAN)
 380                         return __connman_error_invalid_arguments(msg);
 381
 382                 dbus_message_iter_get_basic(&value, &tethering);
 383
 384                 if (technology->tethering == tethering)
 385                         return __connman_error_in_progress(msg);
 386
 387                 bridge = __connman_tethering_get_bridge();
 388                 if (bridge == NULL)
 389                         return __connman_error_not_supported(msg);
 390
 391                 err = set_tethering(technology, bridge, tethering);
 392                 if (err < 0)
 393                         return __connman_error_failed(msg, -err);
 394
 395         } else if (g_str_equal(name, "TetheringIdentifier") == TRUE) {
 396                 const char *str;
 397
 398                 dbus_message_iter_get_basic(&value, &str);
 399
 400                 if (technology->type != CONNMAN_SERVICE_TYPE_WIFI)
 401                         return __connman_error_not_supported(msg);
 402
 403                 technology->tethering_ident = g_strdup(str);
 404         } else if (g_str_equal(name, "TetheringPassphrase") == TRUE) {
 405                 const char *str;
 406
 407                 dbus_message_iter_get_basic(&value, &str);
 408
 409                 if (technology->type != CONNMAN_SERVICE_TYPE_WIFI)
 410                         return __connman_error_not_supported(msg);
 411
 412                 if (strlen(str) < 8)
 413                         return __connman_error_invalid_arguments(msg);
 414
 415                 technology->tethering_passphrase = g_strdup(str);
 416         } else
 417                 return __connman_error_invalid_property(msg);
 418
 419         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 420 }
 421
 422 static GDBusMethodTable technology_methods[] = {
 423         { "GetProperties", "",   "a{sv}", get_properties },
 424         { "SetProperty",   "sv", "",      set_property   },
 425         { },
 426 };
 427
 428 static GDBusSignalTable technology_signals[] = {
 429         { "PropertyChanged", "sv" },
 430         { },
 431 };
 432
 433 static struct connman_technology *technology_find(enum connman_service_type type)
 434 {
 435         GSList *list;
 436
 437         DBG("type %d", type);
 438
 439         for (list = technology_list; list; list = list->next) {
 440                 struct connman_technology *technology = list->data;
 441
 442                 if (technology->type == type)
 443                         return technology;
 444         }
 445
 446         return NULL;
 447 }
 448
 449 static struct connman_technology *technology_get(enum connman_service_type type)
 450 {
 451         struct connman_technology *technology;
 452         const char *str;
 453         GSList *list;
 454
 455         DBG("type %d", type);
 456
 457         technology = technology_find(type);
 458         if (technology != NULL) {
 459                 g_atomic_int_inc(&technology->refcount);
 460                 goto done;
 461         }
 462
 463         str = __connman_service_type2string(type);
 464         if (str == NULL)
 465                 return NULL;
 466
 467         technology = g_try_new0(struct connman_technology, 1);
 468         if (technology == NULL)
 469                 return NULL;
 470
 471         technology->refcount = 1;
 472
 473         technology->type = type;
 474         technology->path = g_strdup_printf("%s/technology/%s",
 475                                                         CONNMAN_PATH, str);
 476
 477         technology->rfkill_list = g_hash_table_new_full(g_int_hash, g_int_equal,
 478                                                         NULL, free_rfkill);
 479         technology->device_list = NULL;
 480
 481         technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 482
 483         if (g_dbus_register_interface(connection, technology->path,
 484                                         CONNMAN_TECHNOLOGY_INTERFACE,
 485                                         technology_methods, technology_signals,
 486                                         NULL, technology, NULL) == FALSE) {
 487                 connman_error("Failed to register %s", technology->path);
 488                 g_free(technology);
 489                 return NULL;
 490         }
 491
 492         technology_list = g_slist_append(technology_list, technology);
 493
 494         technologies_changed();
 495
 496         if (technology->driver != NULL)
 497                 goto done;
 498
 499         for (list = driver_list; list; list = list->next) {
 500                 struct connman_technology_driver *driver = list->data;
 501
 502                 DBG("driver %p name %s", driver, driver->name);
 503
 504                 if (driver->type != technology->type)
 505                         continue;
 506
 507                 if (driver->probe(technology) == 0) {
 508                         technology->driver = driver;
 509                         break;
 510                 }
 511         }
 512
 513 done:
 514         DBG("technology %p", technology);
 515
 516         return technology;
 517 }
 518
 519 static void technology_put(struct connman_technology *technology)
 520 {
 521         DBG("technology %p", technology);
 522
 523         if (g_atomic_int_dec_and_test(&technology->refcount) == FALSE)
 524                 return;
 525
 526         if (technology->driver) {
 527                 technology->driver->remove(technology);
 528                 technology->driver = NULL;
 529         }
 530
 531         technology_list = g_slist_remove(technology_list, technology);
 532
 533         technologies_changed();
 534
 535         g_dbus_unregister_interface(connection, technology->path,
 536                                                 CONNMAN_TECHNOLOGY_INTERFACE);
 537
 538         g_slist_free(technology->device_list);
 539         g_hash_table_destroy(technology->rfkill_list);
 540
 541         g_free(technology->path);
 542         g_free(technology->regdom);
 543         g_free(technology);
 544 }
 545
 546 void __connman_technology_add_interface(enum connman_service_type type,
 547                                 int index, const char *name, const char *ident)
 548 {
 549         struct connman_technology *technology;
 550
 551         switch (type) {
 552         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 553         case CONNMAN_SERVICE_TYPE_SYSTEM:
 554                 return;
 555         case CONNMAN_SERVICE_TYPE_ETHERNET:
 556         case CONNMAN_SERVICE_TYPE_WIFI:
 557         case CONNMAN_SERVICE_TYPE_WIMAX:
 558         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 559         case CONNMAN_SERVICE_TYPE_CELLULAR:
 560         case CONNMAN_SERVICE_TYPE_GPS:
 561         case CONNMAN_SERVICE_TYPE_VPN:
 562         case CONNMAN_SERVICE_TYPE_GADGET:
 563                 break;
 564         }
 565
 566         connman_info("Create interface %s [ %s ]", name,
 567                                 __connman_service_type2string(type));
 568
 569         technology = technology_get(type);
 570
 571         if (technology == NULL || technology->driver == NULL
 572                         || technology->driver->add_interface == NULL)
 573                 return;
 574
 575         technology->driver->add_interface(technology,
 576                                         index, name, ident);
 577 }
 578
 579 void __connman_technology_remove_interface(enum connman_service_type type,
 580                                 int index, const char *name, const char *ident)
 581 {
 582         struct connman_technology *technology;
 583
 584         switch (type) {
 585         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 586         case CONNMAN_SERVICE_TYPE_SYSTEM:
 587                 return;
 588         case CONNMAN_SERVICE_TYPE_ETHERNET:
 589         case CONNMAN_SERVICE_TYPE_WIFI:
 590         case CONNMAN_SERVICE_TYPE_WIMAX:
 591         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 592         case CONNMAN_SERVICE_TYPE_CELLULAR:
 593         case CONNMAN_SERVICE_TYPE_GPS:
 594         case CONNMAN_SERVICE_TYPE_VPN:
 595         case CONNMAN_SERVICE_TYPE_GADGET:
 596                 break;
 597         }
 598
 599         connman_info("Remove interface %s [ %s ]", name,
 600                                 __connman_service_type2string(type));
 601
 602         technology = technology_find(type);
 603
 604         if (technology == NULL || technology->driver == NULL)
 605                 return;
 606
 607         if (technology->driver->remove_interface)
 608                 technology->driver->remove_interface(technology, index);
 609
 610         technology_put(technology);
 611 }
 612
 613 static void unregister_technology(gpointer data)
 614 {
 615         struct connman_technology *technology = data;
 616
 617         technology_put(technology);
 618 }
 619
 620 int __connman_technology_add_device(struct connman_device *device)
 621 {
 622         struct connman_technology *technology;
 623         enum connman_service_type type;
 624
 625         DBG("device %p", device);
 626
 627         type = __connman_device_get_service_type(device);
 628         __connman_notifier_register(type);
 629
 630         technology = technology_get(type);
 631         if (technology == NULL)
 632                 return -ENXIO;
 633
 634         g_hash_table_insert(device_table, device, technology);
 635
 636         if (g_atomic_int_get(&technology->blocked))
 637                 goto done;
 638
 639         technology->state = CONNMAN_TECHNOLOGY_STATE_AVAILABLE;
 640
 641         state_changed(technology);
 642
 643 done:
 644
 645         technology->device_list = g_slist_append(technology->device_list,
 646                                                                 device);
 647
 648         return 0;
 649 }
 650
 651 int __connman_technology_remove_device(struct connman_device *device)
 652 {
 653         struct connman_technology *technology;
 654         enum connman_service_type type;
 655
 656         DBG("device %p", device);
 657
 658         type = __connman_device_get_service_type(device);
 659         __connman_notifier_unregister(type);
 660
 661         technology = g_hash_table_lookup(device_table, device);
 662         if (technology == NULL)
 663                 return -ENXIO;
 664
 665         technology->device_list = g_slist_remove(technology->device_list,
 666                                                                 device);
 667         if (technology->device_list == NULL) {
 668                 technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 669                 state_changed(technology);
 670         }
 671
 672         g_hash_table_remove(device_table, device);
 673
 674         return 0;
 675 }
 676
 677 int __connman_technology_enable(enum connman_service_type type)
 678 {
 679         struct connman_technology *technology;
 680
 681         technology = technology_find(type);
 682         if (technology == NULL)
 683                 return -ENXIO;
 684
 685         if (g_atomic_int_get(&technology->blocked))
 686                 return -ERFKILL;
 687
 688         __connman_notifier_enable(type);
 689
 690         if (g_atomic_int_exchange_and_add(&technology->enabled, 1) == 0) {
 691                 technology->state = CONNMAN_TECHNOLOGY_STATE_ENABLED;
 692                 state_changed(technology);
 693         }
 694
 695         return 0;
 696 }
 697
 698 int __connman_technology_disable(enum connman_service_type type)
 699 {
 700         struct connman_technology *technology;
 701         GSList *list;
 702
 703         technology = technology_find(type);
 704         if (technology == NULL)
 705                 return -ENXIO;
 706
 707         if (g_atomic_int_dec_and_test(&technology->enabled) == TRUE) {
 708                 __connman_notifier_disable(type);
 709
 710                 technology->state = CONNMAN_TECHNOLOGY_STATE_AVAILABLE;
 711                 state_changed(technology);
 712         }
 713
 714         for (list = technology->device_list; list; list = list->next) {
 715                 struct connman_device *device = list->data;
 716
 717                 if (__connman_device_get_blocked(device) == FALSE)
 718                         return 0;
 719         }
 720
 721         technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 722         state_changed(technology);
 723
 724         return 0;
 725 }
 726
 727 static void technology_blocked(struct connman_technology *technology,
 728                                 connman_bool_t blocked)
 729 {
 730         GSList *list;
 731
 732         for (list = technology->device_list; list; list = list->next) {
 733                 struct connman_device *device = list->data;
 734
 735                 __connman_device_set_blocked(device, blocked);
 736         }
 737 }
 738
 739 int __connman_technology_add_rfkill(unsigned int index,
 740                                         enum connman_service_type type,
 741                                                 connman_bool_t softblock,
 742                                                 connman_bool_t hardblock)
 743 {
 744         struct connman_technology *technology;
 745         struct connman_rfkill *rfkill;
 746         connman_bool_t blocked;
 747
 748         DBG("index %u type %d soft %u hard %u", index, type,
 749                                                         softblock, hardblock);
 750
 751         technology = technology_get(type);
 752         if (technology == NULL)
 753                 return -ENXIO;
 754
 755         rfkill = g_try_new0(struct connman_rfkill, 1);
 756         if (rfkill == NULL)
 757                 return -ENOMEM;
 758
 759         rfkill->index = index;
 760         rfkill->type = type;
 761         rfkill->softblock = softblock;
 762         rfkill->hardblock = hardblock;
 763
 764         g_hash_table_replace(rfkill_table, &rfkill->index, technology);
 765
 766         g_hash_table_replace(technology->rfkill_list, &rfkill->index, rfkill);
 767
 768         blocked = (softblock || hardblock) ? TRUE : FALSE;
 769         if (blocked == FALSE)
 770                 return 0;
 771
 772         if (g_atomic_int_exchange_and_add(&technology->blocked, 1) == 0) {
 773                 technology_blocked(technology, TRUE);
 774
 775                 technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 776                 state_changed(technology);
 777         }
 778
 779         return 0;
 780 }
 781
 782 int __connman_technology_update_rfkill(unsigned int index,
 783                                                 connman_bool_t softblock,
 784                                                 connman_bool_t hardblock)
 785 {
 786         struct connman_technology *technology;
 787         struct connman_rfkill *rfkill;
 788         connman_bool_t blocked, old_blocked;
 789
 790         DBG("index %u soft %u hard %u", index, softblock, hardblock);
 791
 792         technology = g_hash_table_lookup(rfkill_table, &index);
 793         if (technology == NULL)
 794                 return -ENXIO;
 795
 796         rfkill = g_hash_table_lookup(technology->rfkill_list, &index);
 797         if (rfkill == NULL)
 798                 return -ENXIO;
 799
 800         old_blocked = (rfkill->softblock || rfkill->hardblock) ? TRUE : FALSE;
 801         blocked = (softblock || hardblock) ? TRUE : FALSE;
 802
 803         rfkill->softblock = softblock;
 804         rfkill->hardblock = hardblock;
 805
 806         if (blocked == old_blocked)
 807                 return 0;
 808
 809         if (blocked) {
 810                 guint n_blocked;
 811
 812                 n_blocked =
 813                         g_atomic_int_exchange_and_add(&technology->blocked, 1);
 814                 if (n_blocked != g_hash_table_size(technology->rfkill_list) - 1)
 815                         return 0;
 816
 817                 technology_blocked(technology, blocked);
 818                 technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 819                 state_changed(technology);
 820         } else {
 821                 if (g_atomic_int_dec_and_test(&technology->blocked) == FALSE)
 822                         return 0;
 823
 824                 technology_blocked(technology, blocked);
 825                 technology->state = CONNMAN_TECHNOLOGY_STATE_AVAILABLE;
 826                 state_changed(technology);
 827         }
 828
 829         return 0;
 830 }
 831
 832 int __connman_technology_remove_rfkill(unsigned int index)
 833 {
 834         struct connman_technology *technology;
 835         struct connman_rfkill *rfkill;
 836         connman_bool_t blocked;
 837
 838         DBG("index %u", index);
 839
 840         technology = g_hash_table_lookup(rfkill_table, &index);
 841         if (technology == NULL)
 842                 return -ENXIO;
 843
 844         rfkill = g_hash_table_lookup(technology->rfkill_list, &index);
 845         if (rfkill == NULL)
 846                 return -ENXIO;
 847
 848         blocked = (rfkill->softblock || rfkill->hardblock) ? TRUE : FALSE;
 849
 850         g_hash_table_remove(technology->rfkill_list, &index);
 851
 852         g_hash_table_remove(rfkill_table, &index);
 853
 854         if (blocked &&
 855                 g_atomic_int_dec_and_test(&technology->blocked) == TRUE) {
 856                 technology_blocked(technology, FALSE);
 857                 technology->state = CONNMAN_TECHNOLOGY_STATE_AVAILABLE;
 858                 state_changed(technology);
 859         }
 860
 861         return 0;
 862 }
 863
 864 connman_bool_t __connman_technology_get_blocked(enum connman_service_type type)
 865 {
 866         struct connman_technology *technology;
 867
 868         technology = technology_find(type);
 869         if (technology == NULL)
 870                 return FALSE;
 871
 872         if (g_atomic_int_get(&technology->blocked))
 873                 return TRUE;
 874
 875         return FALSE;
 876 }
 877
 878 int __connman_technology_init(void)
 879 {
 880         DBG("");
 881
 882         connection = connman_dbus_get_connection();
 883
 884         rfkill_table = g_hash_table_new_full(g_int_hash, g_int_equal,
 885                                                 NULL, unregister_technology);
 886         device_table = g_hash_table_new_full(g_direct_hash, g_direct_equal,
 887                                                 NULL, unregister_technology);
 888
 889         return 0;
 890 }
 891
 892 void __connman_technology_cleanup(void)
 893 {
 894         DBG("");
 895
 896         g_hash_table_destroy(device_table);
 897         g_hash_table_destroy(rfkill_table);
 898
 899         dbus_connection_unref(connection);
 900 }