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 <errno.h>
  27 #include <string.h>
  28
  29 #include <gdbus.h>
  30
  31 #include "connman.h"
  32
  33 static DBusConnection *connection;
  34
  35 static GHashTable *rfkill_table;
  36 static GHashTable *device_table;
  37 static GSList *technology_list = NULL;
  38
  39 struct connman_rfkill {
  40         unsigned int index;
  41         enum connman_service_type type;
  42         connman_bool_t softblock;
  43         connman_bool_t hardblock;
  44 };
  45
  46 enum connman_technology_state {
  47         CONNMAN_TECHNOLOGY_STATE_UNKNOWN   = 0,
  48         CONNMAN_TECHNOLOGY_STATE_OFFLINE   = 1,
  49         CONNMAN_TECHNOLOGY_STATE_AVAILABLE = 2,
  50         CONNMAN_TECHNOLOGY_STATE_ENABLED   = 3,
  51         CONNMAN_TECHNOLOGY_STATE_CONNECTED = 4,
  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_ENABLED:
 259                 return "enabled";
 260         case CONNMAN_TECHNOLOGY_STATE_CONNECTED:
 261                 return "connected";
 262         }
 263
 264         return NULL;
 265 }
 266
 267 static void state_changed(struct connman_technology *technology)
 268 {
 269         const char *str;
 270
 271         str = state2string(technology->state);
 272         if (str == NULL)
 273                 return;
 274
 275         connman_dbus_property_changed_basic(technology->path,
 276                                 CONNMAN_TECHNOLOGY_INTERFACE, "State",
 277                                                 DBUS_TYPE_STRING, &str);
 278 }
 279
 280 static const char *get_name(enum connman_service_type type)
 281 {
 282         switch (type) {
 283         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 284         case CONNMAN_SERVICE_TYPE_SYSTEM:
 285         case CONNMAN_SERVICE_TYPE_GPS:
 286         case CONNMAN_SERVICE_TYPE_VPN:
 287         case CONNMAN_SERVICE_TYPE_GADGET:
 288                 break;
 289         case CONNMAN_SERVICE_TYPE_ETHERNET:
 290                 return "Wired";
 291         case CONNMAN_SERVICE_TYPE_WIFI:
 292                 return "WiFi";
 293         case CONNMAN_SERVICE_TYPE_WIMAX:
 294                 return "WiMAX";
 295         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 296                 return "Bluetooth";
 297         case CONNMAN_SERVICE_TYPE_CELLULAR:
 298                 return "3G";
 299         }
 300
 301         return NULL;
 302 }
 303
 304 static DBusMessage *get_properties(DBusConnection *conn,
 305                                         DBusMessage *message, void *user_data)
 306 {
 307         struct connman_technology *technology = user_data;
 308         DBusMessage *reply;
 309         DBusMessageIter array, dict;
 310         const char *str;
 311
 312         reply = dbus_message_new_method_return(message);
 313         if (reply == NULL)
 314                 return NULL;
 315
 316         dbus_message_iter_init_append(reply, &array);
 317
 318         connman_dbus_dict_open(&array, &dict);
 319
 320         str = state2string(technology->state);
 321         if (str != NULL)
 322                 connman_dbus_dict_append_basic(&dict, "State",
 323                                                 DBUS_TYPE_STRING, &str);
 324
 325         str = get_name(technology->type);
 326         if (str != NULL)
 327                 connman_dbus_dict_append_basic(&dict, "Name",
 328                                                 DBUS_TYPE_STRING, &str);
 329
 330         str = __connman_service_type2string(technology->type);
 331         if (str != NULL)
 332                 connman_dbus_dict_append_basic(&dict, "Type",
 333                                                 DBUS_TYPE_STRING, &str);
 334
 335         connman_dbus_dict_append_basic(&dict, "Tethering",
 336                                         DBUS_TYPE_BOOLEAN,
 337                                         &technology->tethering);
 338
 339         if (technology->tethering_ident != NULL)
 340                 connman_dbus_dict_append_basic(&dict, "TetheringIdentifier",
 341                                                 DBUS_TYPE_STRING,
 342                                                 &technology->tethering_ident);
 343
 344         if (technology->tethering_passphrase != NULL)
 345                 connman_dbus_dict_append_basic(&dict, "TetheringPassphrase",
 346                                                 DBUS_TYPE_STRING,
 347                                                 &technology->tethering_passphrase);
 348
 349         connman_dbus_dict_close(&array, &dict);
 350
 351         return reply;
 352 }
 353
 354 static DBusMessage *set_property(DBusConnection *conn,
 355                                         DBusMessage *msg, void *data)
 356 {
 357         struct connman_technology *technology = data;
 358         DBusMessageIter iter, value;
 359         const char *name;
 360         int type;
 361
 362         DBG("conn %p", conn);
 363
 364         if (dbus_message_iter_init(msg, &iter) == FALSE)
 365                 return __connman_error_invalid_arguments(msg);
 366
 367         dbus_message_iter_get_basic(&iter, &name);
 368         dbus_message_iter_next(&iter);
 369         dbus_message_iter_recurse(&iter, &value);
 370
 371         type = dbus_message_iter_get_arg_type(&value);
 372
 373         DBG("property %s", name);
 374
 375         if (g_str_equal(name, "Tethering") == TRUE) {
 376                 int err;
 377                 connman_bool_t tethering;
 378                 const char *bridge;
 379
 380                 if (type != DBUS_TYPE_BOOLEAN)
 381                         return __connman_error_invalid_arguments(msg);
 382
 383                 dbus_message_iter_get_basic(&value, &tethering);
 384
 385                 if (technology->tethering == tethering)
 386                         return __connman_error_in_progress(msg);
 387
 388                 bridge = __connman_tethering_get_bridge();
 389                 if (bridge == NULL)
 390                         return __connman_error_not_supported(msg);
 391
 392                 err = set_tethering(technology, bridge, tethering);
 393                 if (err < 0)
 394                         return __connman_error_failed(msg, -err);
 395
 396         } else if (g_str_equal(name, "TetheringIdentifier") == TRUE) {
 397                 const char *str;
 398
 399                 dbus_message_iter_get_basic(&value, &str);
 400
 401                 if (technology->type != CONNMAN_SERVICE_TYPE_WIFI)
 402                         return __connman_error_not_supported(msg);
 403
 404                 technology->tethering_ident = g_strdup(str);
 405         } else if (g_str_equal(name, "TetheringPassphrase") == TRUE) {
 406                 const char *str;
 407
 408                 dbus_message_iter_get_basic(&value, &str);
 409
 410                 if (technology->type != CONNMAN_SERVICE_TYPE_WIFI)
 411                         return __connman_error_not_supported(msg);
 412
 413                 if (strlen(str) < 8)
 414                         return __connman_error_invalid_arguments(msg);
 415
 416                 technology->tethering_passphrase = g_strdup(str);
 417         } else
 418                 return __connman_error_invalid_property(msg);
 419
 420         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 421 }
 422
 423 static GDBusMethodTable technology_methods[] = {
 424         { "GetProperties", "",   "a{sv}", get_properties },
 425         { "SetProperty",   "sv", "",      set_property   },
 426         { },
 427 };
 428
 429 static GDBusSignalTable technology_signals[] = {
 430         { "PropertyChanged", "sv" },
 431         { },
 432 };
 433
 434 static struct connman_technology *technology_find(enum connman_service_type type)
 435 {
 436         GSList *list;
 437
 438         DBG("type %d", type);
 439
 440         for (list = technology_list; list; list = list->next) {
 441                 struct connman_technology *technology = list->data;
 442
 443                 if (technology->type == type)
 444                         return technology;
 445         }
 446
 447         return NULL;
 448 }
 449
 450 static struct connman_technology *technology_get(enum connman_service_type type)
 451 {
 452         struct connman_technology *technology;
 453         const char *str;
 454         GSList *list;
 455
 456         DBG("type %d", type);
 457
 458         technology = technology_find(type);
 459         if (technology != NULL) {
 460                 g_atomic_int_inc(&technology->refcount);
 461                 goto done;
 462         }
 463
 464         str = __connman_service_type2string(type);
 465         if (str == NULL)
 466                 return NULL;
 467
 468         technology = g_try_new0(struct connman_technology, 1);
 469         if (technology == NULL)
 470                 return NULL;
 471
 472         technology->refcount = 1;
 473
 474         technology->type = type;
 475         technology->path = g_strdup_printf("%s/technology/%s",
 476                                                         CONNMAN_PATH, str);
 477
 478         technology->rfkill_list = g_hash_table_new_full(g_int_hash, g_int_equal,
 479                                                         NULL, free_rfkill);
 480         technology->device_list = NULL;
 481
 482         technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 483
 484         if (g_dbus_register_interface(connection, technology->path,
 485                                         CONNMAN_TECHNOLOGY_INTERFACE,
 486                                         technology_methods, technology_signals,
 487                                         NULL, technology, NULL) == FALSE) {
 488                 connman_error("Failed to register %s", technology->path);
 489                 g_free(technology);
 490                 return NULL;
 491         }
 492
 493         technology_list = g_slist_append(technology_list, technology);
 494
 495         technologies_changed();
 496
 497         if (technology->driver != NULL)
 498                 goto done;
 499
 500         for (list = driver_list; list; list = list->next) {
 501                 struct connman_technology_driver *driver = list->data;
 502
 503                 DBG("driver %p name %s", driver, driver->name);
 504
 505                 if (driver->type != technology->type)
 506                         continue;
 507
 508                 if (driver->probe(technology) == 0) {
 509                         technology->driver = driver;
 510                         break;
 511                 }
 512         }
 513
 514 done:
 515         DBG("technology %p", technology);
 516
 517         return technology;
 518 }
 519
 520 static void technology_put(struct connman_technology *technology)
 521 {
 522         DBG("technology %p", technology);
 523
 524         if (g_atomic_int_dec_and_test(&technology->refcount) == FALSE)
 525                 return;
 526
 527         if (technology->driver) {
 528                 technology->driver->remove(technology);
 529                 technology->driver = NULL;
 530         }
 531
 532         technology_list = g_slist_remove(technology_list, technology);
 533
 534         technologies_changed();
 535
 536         g_dbus_unregister_interface(connection, technology->path,
 537                                                 CONNMAN_TECHNOLOGY_INTERFACE);
 538
 539         g_slist_free(technology->device_list);
 540         g_hash_table_destroy(technology->rfkill_list);
 541
 542         g_free(technology->path);
 543         g_free(technology->regdom);
 544         g_free(technology);
 545 }
 546
 547 void __connman_technology_add_interface(enum connman_service_type type,
 548                                 int index, const char *name, const char *ident)
 549 {
 550         struct connman_technology *technology;
 551
 552         switch (type) {
 553         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 554         case CONNMAN_SERVICE_TYPE_SYSTEM:
 555                 return;
 556         case CONNMAN_SERVICE_TYPE_ETHERNET:
 557         case CONNMAN_SERVICE_TYPE_WIFI:
 558         case CONNMAN_SERVICE_TYPE_WIMAX:
 559         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 560         case CONNMAN_SERVICE_TYPE_CELLULAR:
 561         case CONNMAN_SERVICE_TYPE_GPS:
 562         case CONNMAN_SERVICE_TYPE_VPN:
 563         case CONNMAN_SERVICE_TYPE_GADGET:
 564                 break;
 565         }
 566
 567         connman_info("Create interface %s [ %s ]", name,
 568                                 __connman_service_type2string(type));
 569
 570         technology = technology_get(type);
 571
 572         if (technology == NULL || technology->driver == NULL
 573                         || technology->driver->add_interface == NULL)
 574                 return;
 575
 576         technology->driver->add_interface(technology,
 577                                         index, name, ident);
 578 }
 579
 580 void __connman_technology_remove_interface(enum connman_service_type type,
 581                                 int index, const char *name, const char *ident)
 582 {
 583         struct connman_technology *technology;
 584
 585         switch (type) {
 586         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 587         case CONNMAN_SERVICE_TYPE_SYSTEM:
 588                 return;
 589         case CONNMAN_SERVICE_TYPE_ETHERNET:
 590         case CONNMAN_SERVICE_TYPE_WIFI:
 591         case CONNMAN_SERVICE_TYPE_WIMAX:
 592         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 593         case CONNMAN_SERVICE_TYPE_CELLULAR:
 594         case CONNMAN_SERVICE_TYPE_GPS:
 595         case CONNMAN_SERVICE_TYPE_VPN:
 596         case CONNMAN_SERVICE_TYPE_GADGET:
 597                 break;
 598         }
 599
 600         connman_info("Remove interface %s [ %s ]", name,
 601                                 __connman_service_type2string(type));
 602
 603         technology = technology_find(type);
 604
 605         if (technology == NULL || technology->driver == NULL)
 606                 return;
 607
 608         if (technology->driver->remove_interface)
 609                 technology->driver->remove_interface(technology, index);
 610
 611         technology_put(technology);
 612 }
 613
 614 static void unregister_technology(gpointer data)
 615 {
 616         struct connman_technology *technology = data;
 617
 618         technology_put(technology);
 619 }
 620
 621 int __connman_technology_add_device(struct connman_device *device)
 622 {
 623         struct connman_technology *technology;
 624         enum connman_service_type type;
 625
 626         DBG("device %p", device);
 627
 628         type = __connman_device_get_service_type(device);
 629         __connman_notifier_register(type);
 630
 631         technology = technology_get(type);
 632         if (technology == NULL)
 633                 return -ENXIO;
 634
 635         g_hash_table_insert(device_table, device, technology);
 636
 637         if (g_atomic_int_get(&technology->blocked))
 638                 goto done;
 639
 640         technology->state = CONNMAN_TECHNOLOGY_STATE_AVAILABLE;
 641
 642         state_changed(technology);
 643
 644 done:
 645
 646         technology->device_list = g_slist_append(technology->device_list,
 647                                                                 device);
 648
 649         return 0;
 650 }
 651
 652 int __connman_technology_remove_device(struct connman_device *device)
 653 {
 654         struct connman_technology *technology;
 655         enum connman_service_type type;
 656
 657         DBG("device %p", device);
 658
 659         type = __connman_device_get_service_type(device);
 660         __connman_notifier_unregister(type);
 661
 662         technology = g_hash_table_lookup(device_table, device);
 663         if (technology == NULL)
 664                 return -ENXIO;
 665
 666         technology->device_list = g_slist_remove(technology->device_list,
 667                                                                 device);
 668         if (technology->device_list == NULL) {
 669                 technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 670                 state_changed(technology);
 671         }
 672
 673         g_hash_table_remove(device_table, device);
 674
 675         return 0;
 676 }
 677
 678 int __connman_technology_enabled(enum connman_service_type type)
 679 {
 680         struct connman_technology *technology;
 681
 682         technology = technology_find(type);
 683         if (technology == NULL)
 684                 return -ENXIO;
 685
 686         if (g_atomic_int_get(&technology->blocked))
 687                 return -ERFKILL;
 688
 689         __connman_notifier_enable(type);
 690
 691         if (g_atomic_int_exchange_and_add(&technology->enabled, 1) == 0) {
 692                 technology->state = CONNMAN_TECHNOLOGY_STATE_ENABLED;
 693                 state_changed(technology);
 694         }
 695
 696         return 0;
 697 }
 698
 699 int __connman_technology_enable(enum connman_service_type type)
 700 {
 701         struct connman_technology *technology;
 702         GSList *list;
 703         int err;
 704         int ret = -ENODEV;
 705
 706         DBG("type %d enable", type);
 707
 708         technology = technology_find(type);
 709         if (technology == NULL)
 710                 return -ENXIO;
 711
 712         for (list = technology->device_list; list; list = list->next) {
 713                 struct connman_device *device = list->data;
 714
 715                 err = __connman_device_enable_persistent(device);
 716                 /*
 717                  * err = 0 : Device was enabled right away.
 718                  * err = -EINPROGRESS : DBus call was successful.
 719                  * If atleast one device gets enabled, we consider
 720                  * the technology to be enabled.
 721                  */
 722                 if (err == 0 || err == -EINPROGRESS)
 723                         ret = 0;
 724         }
 725
 726         return ret;
 727 }
 728
 729 int __connman_technology_disabled(enum connman_service_type type)
 730 {
 731         struct connman_technology *technology;
 732         GSList *list;
 733
 734         technology = technology_find(type);
 735         if (technology == NULL)
 736                 return -ENXIO;
 737
 738         if (g_atomic_int_dec_and_test(&technology->enabled) == TRUE) {
 739                 __connman_notifier_disable(type);
 740
 741                 technology->state = CONNMAN_TECHNOLOGY_STATE_AVAILABLE;
 742                 state_changed(technology);
 743         }
 744
 745         for (list = technology->device_list; list; list = list->next) {
 746                 struct connman_device *device = list->data;
 747
 748                 if (__connman_device_get_blocked(device) == FALSE)
 749                         return 0;
 750         }
 751
 752         technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 753         state_changed(technology);
 754
 755         return 0;
 756 }
 757
 758 int __connman_technology_disable(enum connman_service_type type)
 759 {
 760         struct connman_technology *technology;
 761         GSList *list;
 762         int err;
 763         int ret = -ENODEV;
 764
 765         DBG("type %d disable", type);
 766
 767         technology = technology_find(type);
 768         if (technology == NULL)
 769                 return -ENXIO;
 770
 771         for (list = technology->device_list; list; list = list->next) {
 772                 struct connman_device *device = list->data;
 773
 774                 err = __connman_device_disable_persistent(device);
 775                 if (err == 0 || err == -EINPROGRESS)
 776                         ret = 0;
 777         }
 778
 779         return ret;
 780 }
 781
 782 static void technology_blocked(struct connman_technology *technology,
 783                                 connman_bool_t blocked)
 784 {
 785         GSList *list;
 786
 787         for (list = technology->device_list; list; list = list->next) {
 788                 struct connman_device *device = list->data;
 789
 790                 __connman_device_set_blocked(device, blocked);
 791         }
 792 }
 793
 794 int __connman_technology_add_rfkill(unsigned int index,
 795                                         enum connman_service_type type,
 796                                                 connman_bool_t softblock,
 797                                                 connman_bool_t hardblock)
 798 {
 799         struct connman_technology *technology;
 800         struct connman_rfkill *rfkill;
 801         connman_bool_t blocked;
 802
 803         DBG("index %u type %d soft %u hard %u", index, type,
 804                                                         softblock, hardblock);
 805
 806         technology = technology_get(type);
 807         if (technology == NULL)
 808                 return -ENXIO;
 809
 810         rfkill = g_try_new0(struct connman_rfkill, 1);
 811         if (rfkill == NULL)
 812                 return -ENOMEM;
 813
 814         rfkill->index = index;
 815         rfkill->type = type;
 816         rfkill->softblock = softblock;
 817         rfkill->hardblock = hardblock;
 818
 819         g_hash_table_replace(rfkill_table, &rfkill->index, technology);
 820
 821         g_hash_table_replace(technology->rfkill_list, &rfkill->index, rfkill);
 822
 823         blocked = (softblock || hardblock) ? TRUE : FALSE;
 824         if (blocked == FALSE)
 825                 return 0;
 826
 827         if (g_atomic_int_exchange_and_add(&technology->blocked, 1) == 0) {
 828                 technology_blocked(technology, TRUE);
 829
 830                 technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 831                 state_changed(technology);
 832         }
 833
 834         return 0;
 835 }
 836
 837 int __connman_technology_update_rfkill(unsigned int index,
 838                                                 connman_bool_t softblock,
 839                                                 connman_bool_t hardblock)
 840 {
 841         struct connman_technology *technology;
 842         struct connman_rfkill *rfkill;
 843         connman_bool_t blocked, old_blocked;
 844
 845         DBG("index %u soft %u hard %u", index, softblock, hardblock);
 846
 847         technology = g_hash_table_lookup(rfkill_table, &index);
 848         if (technology == NULL)
 849                 return -ENXIO;
 850
 851         rfkill = g_hash_table_lookup(technology->rfkill_list, &index);
 852         if (rfkill == NULL)
 853                 return -ENXIO;
 854
 855         old_blocked = (rfkill->softblock || rfkill->hardblock) ? TRUE : FALSE;
 856         blocked = (softblock || hardblock) ? TRUE : FALSE;
 857
 858         rfkill->softblock = softblock;
 859         rfkill->hardblock = hardblock;
 860
 861         if (blocked == old_blocked)
 862                 return 0;
 863
 864         if (blocked) {
 865                 guint n_blocked;
 866
 867                 n_blocked =
 868                         g_atomic_int_exchange_and_add(&technology->blocked, 1);
 869                 if (n_blocked != g_hash_table_size(technology->rfkill_list) - 1)
 870                         return 0;
 871
 872                 technology_blocked(technology, blocked);
 873                 technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 874                 state_changed(technology);
 875         } else {
 876                 if (g_atomic_int_dec_and_test(&technology->blocked) == FALSE)
 877                         return 0;
 878
 879                 technology_blocked(technology, blocked);
 880                 technology->state = CONNMAN_TECHNOLOGY_STATE_AVAILABLE;
 881                 state_changed(technology);
 882         }
 883
 884         return 0;
 885 }
 886
 887 int __connman_technology_remove_rfkill(unsigned int index)
 888 {
 889         struct connman_technology *technology;
 890         struct connman_rfkill *rfkill;
 891         connman_bool_t blocked;
 892
 893         DBG("index %u", index);
 894
 895         technology = g_hash_table_lookup(rfkill_table, &index);
 896         if (technology == NULL)
 897                 return -ENXIO;
 898
 899         rfkill = g_hash_table_lookup(technology->rfkill_list, &index);
 900         if (rfkill == NULL)
 901                 return -ENXIO;
 902
 903         blocked = (rfkill->softblock || rfkill->hardblock) ? TRUE : FALSE;
 904
 905         g_hash_table_remove(technology->rfkill_list, &index);
 906
 907         g_hash_table_remove(rfkill_table, &index);
 908
 909         if (blocked &&
 910                 g_atomic_int_dec_and_test(&technology->blocked) == TRUE) {
 911                 technology_blocked(technology, FALSE);
 912                 technology->state = CONNMAN_TECHNOLOGY_STATE_AVAILABLE;
 913                 state_changed(technology);
 914         }
 915
 916         return 0;
 917 }
 918
 919 connman_bool_t __connman_technology_get_blocked(enum connman_service_type type)
 920 {
 921         struct connman_technology *technology;
 922
 923         technology = technology_find(type);
 924         if (technology == NULL)
 925                 return FALSE;
 926
 927         if (g_atomic_int_get(&technology->blocked))
 928                 return TRUE;
 929
 930         return FALSE;
 931 }
 932
 933 int __connman_technology_init(void)
 934 {
 935         DBG("");
 936
 937         connection = connman_dbus_get_connection();
 938
 939         rfkill_table = g_hash_table_new_full(g_int_hash, g_int_equal,
 940                                                 NULL, unregister_technology);
 941         device_table = g_hash_table_new_full(g_direct_hash, g_direct_equal,
 942                                                 NULL, unregister_technology);
 943
 944         return 0;
 945 }
 946
 947 void __connman_technology_cleanup(void)
 948 {
 949         DBG("");
 950
 951         g_hash_table_destroy(device_table);
 952         g_hash_table_destroy(rfkill_table);
 953
 954         dbus_connection_unref(connection);
 955 }