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