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
 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         GSList *list;
 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_get(type);
 571
 572         for (list = technology_list; list; list = list->next) {
 573                 struct connman_technology *technology = list->data;
 574
 575                 if (technology->type != type)
 576                         continue;
 577
 578                 if (technology->driver == NULL)
 579                         continue;
 580
 581                 if (technology->driver->add_interface)
 582                         technology->driver->add_interface(technology,
 583                                                         index, name, ident);
 584         }
 585 }
 586
 587 void __connman_technology_remove_interface(enum connman_service_type type,
 588                                 int index, const char *name, const char *ident)
 589 {
 590         GSList *list;
 591
 592         switch (type) {
 593         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 594         case CONNMAN_SERVICE_TYPE_SYSTEM:
 595                 return;
 596         case CONNMAN_SERVICE_TYPE_ETHERNET:
 597         case CONNMAN_SERVICE_TYPE_WIFI:
 598         case CONNMAN_SERVICE_TYPE_WIMAX:
 599         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 600         case CONNMAN_SERVICE_TYPE_CELLULAR:
 601         case CONNMAN_SERVICE_TYPE_GPS:
 602         case CONNMAN_SERVICE_TYPE_VPN:
 603         case CONNMAN_SERVICE_TYPE_GADGET:
 604                 break;
 605         }
 606
 607         connman_info("Remove interface %s [ %s ]", name,
 608                                 __connman_service_type2string(type));
 609
 610         for (list = technology_list; list; list = list->next) {
 611                 struct connman_technology *technology = list->data;
 612
 613                 if (technology->type != type)
 614                         continue;
 615
 616                 if (technology->driver == NULL)
 617                         continue;
 618
 619                 if (technology->driver->remove_interface)
 620                         technology->driver->remove_interface(technology, index);
 621
 622                 technology_put(technology);
 623         }
 624 }
 625
 626 static void unregister_technology(gpointer data)
 627 {
 628         struct connman_technology *technology = data;
 629
 630         technology_put(technology);
 631 }
 632
 633 int __connman_technology_add_device(struct connman_device *device)
 634 {
 635         struct connman_technology *technology;
 636         enum connman_service_type type;
 637
 638         DBG("device %p", device);
 639
 640         type = __connman_device_get_service_type(device);
 641         __connman_notifier_register(type);
 642
 643         technology = technology_get(type);
 644         if (technology == NULL)
 645                 return -ENXIO;
 646
 647         g_hash_table_insert(device_table, device, technology);
 648
 649         if (g_atomic_int_get(&technology->blocked))
 650                 goto done;
 651
 652         technology->state = CONNMAN_TECHNOLOGY_STATE_AVAILABLE;
 653
 654         state_changed(technology);
 655
 656 done:
 657
 658         technology->device_list = g_slist_append(technology->device_list,
 659                                                                 device);
 660
 661         return 0;
 662 }
 663
 664 int __connman_technology_remove_device(struct connman_device *device)
 665 {
 666         struct connman_technology *technology;
 667         enum connman_service_type type;
 668
 669         DBG("device %p", device);
 670
 671         type = __connman_device_get_service_type(device);
 672         __connman_notifier_unregister(type);
 673
 674         technology = g_hash_table_lookup(device_table, device);
 675         if (technology == NULL)
 676                 return -ENXIO;
 677
 678         technology->device_list = g_slist_remove(technology->device_list,
 679                                                                 device);
 680         if (technology->device_list == NULL) {
 681                 technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 682                 state_changed(technology);
 683         }
 684
 685         g_hash_table_remove(device_table, device);
 686
 687         return 0;
 688 }
 689
 690 int __connman_technology_enable_device(struct connman_device *device)
 691 {
 692         struct connman_technology *technology;
 693         enum connman_service_type type;
 694
 695         DBG("device %p", device);
 696
 697         technology = g_hash_table_lookup(device_table, device);
 698         if (technology == NULL)
 699                 return -ENXIO;
 700
 701         if (g_atomic_int_get(&technology->blocked))
 702                 return -ERFKILL;
 703
 704         type = __connman_device_get_service_type(device);
 705         __connman_notifier_enable(type);
 706
 707         if (g_atomic_int_exchange_and_add(&technology->enabled, 1) == 0) {
 708                 technology->state = CONNMAN_TECHNOLOGY_STATE_ENABLED;
 709                 state_changed(technology);
 710         }
 711
 712         return 0;
 713 }
 714
 715 int __connman_technology_disable_device(struct connman_device *device)
 716 {
 717         struct connman_technology *technology;
 718         enum connman_service_type type;
 719         GSList *list;
 720
 721         DBG("device %p", device);
 722
 723         type = __connman_device_get_service_type(device);
 724         __connman_notifier_disable(type);
 725
 726         technology = g_hash_table_lookup(device_table, device);
 727         if (technology == NULL)
 728                 return -ENXIO;
 729
 730         if (g_atomic_int_dec_and_test(&technology->enabled) == TRUE) {
 731                 technology->state = CONNMAN_TECHNOLOGY_STATE_AVAILABLE;
 732                 state_changed(technology);
 733         }
 734
 735         for (list = technology->device_list; list; list = list->next) {
 736                 struct connman_device *device = list->data;
 737
 738                 if (__connman_device_get_blocked(device) == FALSE)
 739                         return 0;
 740         }
 741
 742         technology->state = CONNMAN_TECHNOLOGY_STATE_BLOCKED;
 743         state_changed(technology);
 744
 745         return 0;
 746 }
 747
 748 static void technology_blocked(struct connman_technology *technology,
 749                                 connman_bool_t blocked)
 750 {
 751         GSList *list;
 752
 753         for (list = technology->device_list; list; list = list->next) {
 754                 struct connman_device *device = list->data;
 755
 756                 __connman_device_set_blocked(device, blocked);
 757         }
 758 }
 759
 760 int __connman_technology_add_rfkill(unsigned int index,
 761                                         enum connman_service_type type,
 762                                                 connman_bool_t softblock,
 763                                                 connman_bool_t hardblock)
 764 {
 765         struct connman_technology *technology;
 766         struct connman_rfkill *rfkill;
 767         connman_bool_t blocked;
 768
 769         DBG("index %u type %d soft %u hard %u", index, type,
 770                                                         softblock, hardblock);
 771
 772         technology = technology_get(type);
 773         if (technology == NULL)
 774                 return -ENXIO;
 775
 776         rfkill = g_try_new0(struct connman_rfkill, 1);
 777         if (rfkill == NULL)
 778                 return -ENOMEM;
 779
 780         rfkill->index = index;
 781         rfkill->type = type;
 782         rfkill->softblock = softblock;
 783         rfkill->hardblock = hardblock;
 784
 785         g_hash_table_replace(rfkill_table, &rfkill->index, technology);
 786
 787         g_hash_table_replace(technology->rfkill_list, &rfkill->index, rfkill);
 788
 789         blocked = (softblock || hardblock) ? TRUE : FALSE;
 790         if (blocked == FALSE)
 791                 return 0;
 792
 793         if (g_atomic_int_exchange_and_add(&technology->blocked, 1) == 0) {
 794                 technology_blocked(technology, TRUE);
 795
 796                 technology->state = CONNMAN_TECHNOLOGY_STATE_BLOCKED;
 797                 state_changed(technology);
 798         }
 799
 800         return 0;
 801 }
 802
 803 int __connman_technology_update_rfkill(unsigned int index,
 804                                                 connman_bool_t softblock,
 805                                                 connman_bool_t hardblock)
 806 {
 807         struct connman_technology *technology;
 808         struct connman_rfkill *rfkill;
 809         connman_bool_t blocked, old_blocked;
 810
 811         DBG("index %u soft %u hard %u", index, softblock, hardblock);
 812
 813         technology = g_hash_table_lookup(rfkill_table, &index);
 814         if (technology == NULL)
 815                 return -ENXIO;
 816
 817         rfkill = g_hash_table_lookup(technology->rfkill_list, &index);
 818         if (rfkill == NULL)
 819                 return -ENXIO;
 820
 821         old_blocked = (rfkill->softblock || rfkill->hardblock) ? TRUE : FALSE;
 822         blocked = (softblock || hardblock) ? TRUE : FALSE;
 823
 824         rfkill->softblock = softblock;
 825         rfkill->hardblock = hardblock;
 826
 827         if (blocked == old_blocked)
 828                 return 0;
 829
 830         if (blocked) {
 831                 guint n_blocked;
 832
 833                 n_blocked =
 834                         g_atomic_int_exchange_and_add(&technology->blocked, 1);
 835                 if (n_blocked != g_hash_table_size(technology->rfkill_list) - 1)
 836                         return 0;
 837
 838                 technology_blocked(technology, blocked);
 839                 technology->state = CONNMAN_TECHNOLOGY_STATE_BLOCKED;
 840                 state_changed(technology);
 841         } else {
 842                 if (g_atomic_int_dec_and_test(&technology->blocked) == FALSE)
 843                         return 0;
 844
 845                 technology_blocked(technology, blocked);
 846                 technology->state = CONNMAN_TECHNOLOGY_STATE_AVAILABLE;
 847                 state_changed(technology);
 848         }
 849
 850         return 0;
 851 }
 852
 853 int __connman_technology_remove_rfkill(unsigned int index)
 854 {
 855         struct connman_technology *technology;
 856         struct connman_rfkill *rfkill;
 857         connman_bool_t blocked;
 858
 859         DBG("index %u", index);
 860
 861         technology = g_hash_table_lookup(rfkill_table, &index);
 862         if (technology == NULL)
 863                 return -ENXIO;
 864
 865         rfkill = g_hash_table_lookup(technology->rfkill_list, &index);
 866         if (rfkill == NULL)
 867                 return -ENXIO;
 868
 869         blocked = (rfkill->softblock || rfkill->hardblock) ? TRUE : FALSE;
 870
 871         g_hash_table_remove(technology->rfkill_list, &index);
 872
 873         g_hash_table_remove(rfkill_table, &index);
 874
 875         if (blocked &&
 876                 g_atomic_int_dec_and_test(&technology->blocked) == TRUE) {
 877                 technology_blocked(technology, FALSE);
 878                 technology->state = CONNMAN_TECHNOLOGY_STATE_AVAILABLE;
 879                 state_changed(technology);
 880         }
 881
 882         return 0;
 883 }
 884
 885 connman_bool_t __connman_technology_get_blocked(enum connman_service_type type)
 886 {
 887         struct connman_technology *technology;
 888
 889         technology = technology_find(type);
 890         if (technology == NULL)
 891                 return FALSE;
 892
 893         if (g_atomic_int_get(&technology->blocked))
 894                 return TRUE;
 895
 896         return FALSE;
 897 }
 898
 899 int __connman_technology_init(void)
 900 {
 901         DBG("");
 902
 903         connection = connman_dbus_get_connection();
 904
 905         rfkill_table = g_hash_table_new_full(g_int_hash, g_int_equal,
 906                                                 NULL, unregister_technology);
 907         device_table = g_hash_table_new_full(g_direct_hash, g_direct_equal,
 908                                                 NULL, unregister_technology);
 909
 910         return 0;
 911 }
 912
 913 void __connman_technology_cleanup(void)
 914 {
 915         DBG("");
 916
 917         g_hash_table_destroy(device_table);
 918         g_hash_table_destroy(rfkill_table);
 919
 920         dbus_connection_unref(connection);
 921 }