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 GSList *technology_list = NULL;
  36
  37 struct connman_rfkill {
  38         unsigned int index;
  39         enum connman_service_type type;
  40         connman_bool_t softblock;
  41         connman_bool_t hardblock;
  42 };
  43
  44 enum connman_technology_state {
  45         CONNMAN_TECHNOLOGY_STATE_UNKNOWN   = 0,
  46         CONNMAN_TECHNOLOGY_STATE_OFFLINE   = 1,
  47         CONNMAN_TECHNOLOGY_STATE_ENABLED   = 2,
  48         CONNMAN_TECHNOLOGY_STATE_CONNECTED = 3,
  49 };
  50
  51 struct connman_technology {
  52         gint refcount;
  53         enum connman_service_type type;
  54         enum connman_technology_state state;
  55         char *path;
  56         GHashTable *rfkill_list;
  57         GSList *device_list;
  58         gint enabled;
  59         gint blocked;
  60         char *regdom;
  61
  62         connman_bool_t tethering;
  63         char *tethering_ident;
  64         char *tethering_passphrase;
  65
  66         connman_bool_t enable_persistent; /* Save the tech state */
  67
  68         struct connman_technology_driver *driver;
  69         void *driver_data;
  70
  71         DBusMessage *pending_reply;
  72         guint pending_timeout;
  73 };
  74
  75 static GSList *driver_list = NULL;
  76
  77 static gint compare_priority(gconstpointer a, gconstpointer b)
  78 {
  79         const struct connman_technology_driver *driver1 = a;
  80         const struct connman_technology_driver *driver2 = b;
  81
  82         return driver2->priority - driver1->priority;
  83 }
  84
  85 /**
  86  * connman_technology_driver_register:
  87  * @driver: Technology driver definition
  88  *
  89  * Register a new technology driver
  90  *
  91  * Returns: %0 on success
  92  */
  93 int connman_technology_driver_register(struct connman_technology_driver *driver)
  94 {
  95         GSList *list;
  96         struct connman_technology *technology;
  97
  98         DBG("driver %p name %s", driver, driver->name);
  99
 100         driver_list = g_slist_insert_sorted(driver_list, driver,
 101                                                         compare_priority);
 102
 103         for (list = technology_list; list; list = list->next) {
 104                 technology = list->data;
 105
 106                 if (technology->driver != NULL)
 107                         continue;
 108
 109                 if (technology->type == driver->type)
 110                         technology->driver = driver;
 111         }
 112
 113         return 0;
 114 }
 115
 116 /**
 117  * connman_technology_driver_unregister:
 118  * @driver: Technology driver definition
 119  *
 120  * Remove a previously registered technology driver
 121  */
 122 void connman_technology_driver_unregister(struct connman_technology_driver *driver)
 123 {
 124         GSList *list;
 125         struct connman_technology *technology;
 126
 127         DBG("driver %p name %s", driver, driver->name);
 128
 129         for (list = technology_list; list; list = list->next) {
 130                 technology = list->data;
 131
 132                 if (technology->driver == NULL)
 133                         continue;
 134
 135                 if (technology->type == driver->type) {
 136                         technology->driver->remove(technology);
 137                         technology->driver = NULL;
 138                 }
 139         }
 140
 141         driver_list = g_slist_remove(driver_list, driver);
 142 }
 143
 144 static void tethering_changed(struct connman_technology *technology)
 145 {
 146         connman_bool_t tethering = technology->tethering;
 147
 148         connman_dbus_property_changed_basic(technology->path,
 149                                 CONNMAN_TECHNOLOGY_INTERFACE, "Tethering",
 150                                                 DBUS_TYPE_BOOLEAN, &tethering);
 151 }
 152
 153 void connman_technology_tethering_notify(struct connman_technology *technology,
 154                                                         connman_bool_t enabled)
 155 {
 156         DBG("technology %p enabled %u", technology, enabled);
 157
 158         if (technology->tethering == enabled)
 159                 return;
 160
 161         technology->tethering = enabled;
 162
 163         tethering_changed(technology);
 164
 165         if (enabled == TRUE)
 166                 __connman_tethering_set_enabled();
 167         else
 168                 __connman_tethering_set_disabled();
 169 }
 170
 171 static int set_tethering(struct connman_technology *technology,
 172                                 const char *bridge, connman_bool_t enabled)
 173 {
 174         const char *ident, *passphrase;
 175
 176         ident = technology->tethering_ident;
 177         passphrase = technology->tethering_passphrase;
 178
 179         if (technology->driver == NULL ||
 180                         technology->driver->set_tethering == NULL)
 181                 return -EOPNOTSUPP;
 182
 183         if (technology->type == CONNMAN_SERVICE_TYPE_WIFI &&
 184             (ident == NULL || passphrase == NULL))
 185                 return -EINVAL;
 186
 187         return technology->driver->set_tethering(technology, ident, passphrase,
 188                                                         bridge, enabled);
 189 }
 190
 191 void connman_technology_regdom_notify(struct connman_technology *technology,
 192                                                         const char *alpha2)
 193 {
 194         DBG("");
 195
 196         if (alpha2 == NULL)
 197                 connman_error("Failed to set regulatory domain");
 198         else
 199                 DBG("Regulatory domain set to %s", alpha2);
 200
 201         g_free(technology->regdom);
 202         technology->regdom = g_strdup(alpha2);
 203 }
 204
 205 int connman_technology_set_regdom(const char *alpha2)
 206 {
 207         GSList *list;
 208
 209         for (list = technology_list; list; list = list->next) {
 210                 struct connman_technology *technology = list->data;
 211
 212                 if (technology->driver == NULL)
 213                         continue;
 214
 215                 if (technology->driver->set_regdom)
 216                         technology->driver->set_regdom(technology, alpha2);
 217         }
 218
 219         return 0;
 220 }
 221
 222 static void free_rfkill(gpointer data)
 223 {
 224         struct connman_rfkill *rfkill = data;
 225
 226         g_free(rfkill);
 227 }
 228
 229 void __connman_technology_list(DBusMessageIter *iter, void *user_data)
 230 {
 231         GSList *list;
 232
 233         for (list = technology_list; list; list = list->next) {
 234                 struct connman_technology *technology = list->data;
 235
 236                 if (technology->path == NULL)
 237                         continue;
 238
 239                 dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 240                                                         &technology->path);
 241         }
 242 }
 243
 244 static void technologies_changed(void)
 245 {
 246         connman_dbus_property_changed_array(CONNMAN_MANAGER_PATH,
 247                         CONNMAN_MANAGER_INTERFACE, "Technologies",
 248                         DBUS_TYPE_OBJECT_PATH, __connman_technology_list, NULL);
 249 }
 250
 251 static const char *state2string(enum connman_technology_state state)
 252 {
 253         switch (state) {
 254         case CONNMAN_TECHNOLOGY_STATE_UNKNOWN:
 255                 break;
 256         case CONNMAN_TECHNOLOGY_STATE_OFFLINE:
 257                 return "offline";
 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->pending_reply = NULL;
 483         technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 484
 485         __connman_storage_load_technology(technology);
 486
 487         if (g_dbus_register_interface(connection, technology->path,
 488                                         CONNMAN_TECHNOLOGY_INTERFACE,
 489                                         technology_methods, technology_signals,
 490                                         NULL, technology, NULL) == FALSE) {
 491                 connman_error("Failed to register %s", technology->path);
 492                 g_free(technology);
 493                 return NULL;
 494         }
 495
 496         technology_list = g_slist_append(technology_list, technology);
 497
 498         technologies_changed();
 499
 500         if (technology->driver != NULL)
 501                 goto done;
 502
 503         for (list = driver_list; list; list = list->next) {
 504                 struct connman_technology_driver *driver = list->data;
 505
 506                 DBG("driver %p name %s", driver, driver->name);
 507
 508                 if (driver->type != technology->type)
 509                         continue;
 510
 511                 if (driver->probe(technology) == 0) {
 512                         technology->driver = driver;
 513                         break;
 514                 }
 515         }
 516
 517 done:
 518         DBG("technology %p", technology);
 519
 520         return technology;
 521 }
 522
 523 static void technology_put(struct connman_technology *technology)
 524 {
 525         DBG("technology %p", technology);
 526
 527         if (g_atomic_int_dec_and_test(&technology->refcount) == FALSE)
 528                 return;
 529
 530         if (technology->driver) {
 531                 technology->driver->remove(technology);
 532                 technology->driver = NULL;
 533         }
 534
 535         technology_list = g_slist_remove(technology_list, technology);
 536
 537         technologies_changed();
 538
 539         g_dbus_unregister_interface(connection, technology->path,
 540                                                 CONNMAN_TECHNOLOGY_INTERFACE);
 541
 542         g_slist_free(technology->device_list);
 543         g_hash_table_destroy(technology->rfkill_list);
 544
 545         g_free(technology->path);
 546         g_free(technology->regdom);
 547         g_free(technology);
 548 }
 549
 550 void __connman_technology_add_interface(enum connman_service_type type,
 551                                 int index, const char *name, const char *ident)
 552 {
 553         struct connman_technology *technology;
 554
 555         switch (type) {
 556         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 557         case CONNMAN_SERVICE_TYPE_SYSTEM:
 558                 return;
 559         case CONNMAN_SERVICE_TYPE_ETHERNET:
 560         case CONNMAN_SERVICE_TYPE_WIFI:
 561         case CONNMAN_SERVICE_TYPE_WIMAX:
 562         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 563         case CONNMAN_SERVICE_TYPE_CELLULAR:
 564         case CONNMAN_SERVICE_TYPE_GPS:
 565         case CONNMAN_SERVICE_TYPE_VPN:
 566         case CONNMAN_SERVICE_TYPE_GADGET:
 567                 break;
 568         }
 569
 570         connman_info("Create interface %s [ %s ]", name,
 571                                 __connman_service_type2string(type));
 572
 573         technology = technology_get(type);
 574
 575         if (technology == NULL || technology->driver == NULL
 576                         || technology->driver->add_interface == NULL)
 577                 return;
 578
 579         technology->driver->add_interface(technology,
 580                                         index, name, ident);
 581 }
 582
 583 void __connman_technology_remove_interface(enum connman_service_type type,
 584                                 int index, const char *name, const char *ident)
 585 {
 586         struct connman_technology *technology;
 587
 588         switch (type) {
 589         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 590         case CONNMAN_SERVICE_TYPE_SYSTEM:
 591                 return;
 592         case CONNMAN_SERVICE_TYPE_ETHERNET:
 593         case CONNMAN_SERVICE_TYPE_WIFI:
 594         case CONNMAN_SERVICE_TYPE_WIMAX:
 595         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 596         case CONNMAN_SERVICE_TYPE_CELLULAR:
 597         case CONNMAN_SERVICE_TYPE_GPS:
 598         case CONNMAN_SERVICE_TYPE_VPN:
 599         case CONNMAN_SERVICE_TYPE_GADGET:
 600                 break;
 601         }
 602
 603         connman_info("Remove interface %s [ %s ]", name,
 604                                 __connman_service_type2string(type));
 605
 606         technology = technology_find(type);
 607
 608         if (technology == NULL || technology->driver == NULL)
 609                 return;
 610
 611         if (technology->driver->remove_interface)
 612                 technology->driver->remove_interface(technology, index);
 613
 614         technology_put(technology);
 615 }
 616
 617 int __connman_technology_add_device(struct connman_device *device)
 618 {
 619         struct connman_technology *technology;
 620         enum connman_service_type type;
 621
 622         DBG("device %p", device);
 623
 624         type = __connman_device_get_service_type(device);
 625         __connman_notifier_register(type);
 626
 627         technology = technology_get(type);
 628         if (technology == NULL)
 629                 return -ENXIO;
 630
 631         if (g_atomic_int_get(&technology->blocked))
 632                 goto done;
 633
 634 done:
 635
 636         technology->device_list = g_slist_append(technology->device_list,
 637                                                                 device);
 638
 639         return 0;
 640 }
 641
 642 int __connman_technology_remove_device(struct connman_device *device)
 643 {
 644         struct connman_technology *technology;
 645         enum connman_service_type type;
 646
 647         DBG("device %p", device);
 648
 649         type = __connman_device_get_service_type(device);
 650         __connman_notifier_unregister(type);
 651
 652         technology = technology_find(type);
 653         if (technology == NULL)
 654                 return -ENXIO;
 655
 656         technology->device_list = g_slist_remove(technology->device_list,
 657                                                                 device);
 658         if (technology->device_list == NULL) {
 659                 technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 660                 state_changed(technology);
 661         }
 662
 663         return 0;
 664 }
 665
 666 static gboolean technology_pending_reply(gpointer user_data)
 667 {
 668         struct connman_technology *technology = user_data;
 669         DBusMessage *reply;
 670
 671         /* Power request timedout, send ETIMEDOUT. */
 672         if (technology->pending_reply != NULL) {
 673                 reply = __connman_error_failed(technology->pending_reply, ETIMEDOUT);
 674                 if (reply != NULL)
 675                         g_dbus_send_message(connection, reply);
 676
 677                 dbus_message_unref(technology->pending_reply);
 678                 technology->pending_reply = NULL;
 679                 technology->pending_timeout = 0;
 680         }
 681
 682         return FALSE;
 683 }
 684
 685 int __connman_technology_enabled(enum connman_service_type type)
 686 {
 687         struct connman_technology *technology;
 688
 689         technology = technology_find(type);
 690         if (technology == NULL)
 691                 return -ENXIO;
 692
 693         if (g_atomic_int_get(&technology->blocked))
 694                 return -ERFKILL;
 695
 696         if (g_atomic_int_exchange_and_add(&technology->enabled, 1) == 0) {
 697                 __connman_notifier_enable(type);
 698                 technology->state = CONNMAN_TECHNOLOGY_STATE_ENABLED;
 699                 state_changed(technology);
 700         }
 701
 702         if (technology->pending_reply != NULL) {
 703                 g_dbus_send_reply(connection, technology->pending_reply, DBUS_TYPE_INVALID);
 704                 dbus_message_unref(technology->pending_reply);
 705                 technology->pending_reply = NULL;
 706                 technology->pending_timeout = 0;
 707         }
 708
 709         return 0;
 710 }
 711
 712 int __connman_technology_enable(enum connman_service_type type, DBusMessage *msg)
 713 {
 714         struct connman_technology *technology;
 715         GSList *list;
 716         int err = 0;
 717         int ret = -ENODEV;
 718         DBusMessage *reply;
 719
 720         DBG("type %d enable", type);
 721
 722         technology = technology_find(type);
 723         if (technology == NULL) {
 724                 err = -ENXIO;
 725                 goto done;
 726         }
 727
 728         if (technology->pending_reply != NULL) {
 729                 err = -EBUSY;
 730                 goto done;
 731         }
 732
 733         if (msg != NULL) {
 734                 technology->pending_reply = dbus_message_ref(msg);
 735                 /*
 736                  * This is a bit of a trick. When msg is not NULL it means
 737                  * thats technology_enable was invoked from the manager API. Hence we save
 738                  * the state here.
 739                  */
 740                 technology->enable_persistent = TRUE;
 741                 __connman_storage_save_technology(technology);
 742         }
 743
 744         for (list = technology->device_list; list; list = list->next) {
 745                 struct connman_device *device = list->data;
 746
 747                 err = __connman_device_enable_persistent(device);
 748                 /*
 749                  * err = 0 : Device was enabled right away.
 750                  * If atleast one device gets enabled, we consider
 751                  * the technology to be enabled.
 752                  */
 753                 if (err == 0)
 754                         ret = 0;
 755         }
 756
 757 done:
 758         if (ret == 0)
 759                 return ret;
 760
 761         if (msg != NULL) {
 762                 if (err == -EINPROGRESS)
 763                         technology->pending_timeout = g_timeout_add_seconds(10,
 764                                         technology_pending_reply, technology);
 765                 else {
 766                         reply = __connman_error_failed(msg, -err);
 767                         if (reply != NULL)
 768                                 g_dbus_send_message(connection, reply);
 769                 }
 770         }
 771
 772         return err;
 773 }
 774
 775 int __connman_technology_disabled(enum connman_service_type type)
 776 {
 777         struct connman_technology *technology;
 778         GSList *list;
 779
 780         technology = technology_find(type);
 781         if (technology == NULL)
 782                 return -ENXIO;
 783
 784         if (technology->pending_reply != NULL) {
 785                 g_dbus_send_reply(connection, technology->pending_reply, DBUS_TYPE_INVALID);
 786                 dbus_message_unref(technology->pending_reply);
 787                 technology->pending_reply = NULL;
 788         }
 789
 790         if (g_atomic_int_dec_and_test(&technology->enabled) == TRUE) {
 791                 __connman_notifier_disable(type);
 792                 technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 793                 state_changed(technology);
 794         }
 795
 796         for (list = technology->device_list; list; list = list->next) {
 797                 struct connman_device *device = list->data;
 798
 799                 if (__connman_device_get_blocked(device) == FALSE)
 800                         return 0;
 801         }
 802
 803         return 0;
 804 }
 805
 806 int __connman_technology_disable(enum connman_service_type type, DBusMessage *msg)
 807 {
 808         struct connman_technology *technology;
 809         GSList *list;
 810         int err = 0;
 811         int ret = -ENODEV;
 812         DBusMessage *reply;
 813
 814         DBG("type %d disable", type);
 815
 816         technology = technology_find(type);
 817         if (technology == NULL) {
 818                 err = -ENXIO;
 819                 goto done;
 820         }
 821
 822         if (technology->pending_reply != NULL) {
 823                 err = -EBUSY;
 824                 goto done;
 825         }
 826
 827         if (msg != NULL) {
 828                 technology->pending_reply = dbus_message_ref(msg);
 829                 technology->enable_persistent = FALSE;
 830                 __connman_storage_save_technology(technology);
 831         }
 832
 833         for (list = technology->device_list; list; list = list->next) {
 834                 struct connman_device *device = list->data;
 835
 836                 err = __connman_device_disable_persistent(device);
 837                 if (err == 0)
 838                         ret = 0;
 839         }
 840
 841 done:
 842         if (ret == 0)
 843                 return ret;
 844
 845         if (msg != NULL) {
 846                 if (err == -EINPROGRESS)
 847                         technology->pending_timeout = g_timeout_add_seconds(10,
 848                                         technology_pending_reply, technology);
 849                 else {
 850                         reply = __connman_error_failed(msg, -err);
 851                         if (reply != NULL)
 852                                 g_dbus_send_message(connection, reply);
 853                 }
 854         }
 855
 856         return err;
 857 }
 858
 859 int __connman_technology_set_offlinemode(connman_bool_t offlinemode)
 860 {
 861         GSList *list;
 862         int err = -EINVAL;
 863
 864         DBG("offlinemode %s", offlinemode ? "On" : "Off");
 865
 866         /* Traverse technology list, enable/disable each technology. */
 867         for (list = technology_list; list; list = list->next) {
 868                 struct connman_technology *technology = list->data;
 869
 870                 if (offlinemode)
 871                         err = __connman_technology_disable(technology->type, NULL);
 872                 if (!offlinemode && technology->enable_persistent)
 873                         err = __connman_technology_enable(technology->type, NULL);
 874         }
 875
 876         if (err == 0 || err == -EINPROGRESS) {
 877                 __connman_profile_set_offlinemode(offlinemode);
 878                 __connman_profile_save_default();
 879
 880                 __connman_notifier_offlinemode(offlinemode);
 881         }
 882
 883         return err;
 884 }
 885
 886 static void technology_blocked(struct connman_technology *technology,
 887                                 connman_bool_t blocked)
 888 {
 889         GSList *list;
 890
 891         for (list = technology->device_list; list; list = list->next) {
 892                 struct connman_device *device = list->data;
 893
 894                 __connman_device_set_blocked(device, blocked);
 895         }
 896 }
 897
 898 int __connman_technology_add_rfkill(unsigned int index,
 899                                         enum connman_service_type type,
 900                                                 connman_bool_t softblock,
 901                                                 connman_bool_t hardblock)
 902 {
 903         struct connman_technology *technology;
 904         struct connman_rfkill *rfkill;
 905         connman_bool_t blocked;
 906
 907         DBG("index %u type %d soft %u hard %u", index, type,
 908                                                         softblock, hardblock);
 909
 910         technology = technology_get(type);
 911         if (technology == NULL)
 912                 return -ENXIO;
 913
 914         rfkill = g_try_new0(struct connman_rfkill, 1);
 915         if (rfkill == NULL)
 916                 return -ENOMEM;
 917
 918         rfkill->index = index;
 919         rfkill->type = type;
 920         rfkill->softblock = softblock;
 921         rfkill->hardblock = hardblock;
 922
 923         g_hash_table_replace(technology->rfkill_list, &rfkill->index, rfkill);
 924
 925         blocked = (softblock || hardblock) ? TRUE : FALSE;
 926         if (blocked == FALSE)
 927                 return 0;
 928
 929         if (g_atomic_int_exchange_and_add(&technology->blocked, 1) == 0) {
 930                 technology_blocked(technology, TRUE);
 931
 932                 technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 933                 state_changed(technology);
 934         }
 935
 936         return 0;
 937 }
 938
 939 int __connman_technology_update_rfkill(unsigned int index,
 940                                         enum connman_service_type type,
 941                                                 connman_bool_t softblock,
 942                                                 connman_bool_t hardblock)
 943 {
 944         struct connman_technology *technology;
 945         struct connman_rfkill *rfkill;
 946         connman_bool_t blocked, old_blocked;
 947
 948         DBG("index %u soft %u hard %u", index, softblock, hardblock);
 949
 950         technology = technology_find(type);
 951         if (technology == NULL)
 952                 return -ENXIO;
 953
 954         rfkill = g_hash_table_lookup(technology->rfkill_list, &index);
 955         if (rfkill == NULL)
 956                 return -ENXIO;
 957
 958         old_blocked = (rfkill->softblock || rfkill->hardblock) ? TRUE : FALSE;
 959         blocked = (softblock || hardblock) ? TRUE : FALSE;
 960
 961         rfkill->softblock = softblock;
 962         rfkill->hardblock = hardblock;
 963
 964         if (blocked == old_blocked)
 965                 return 0;
 966
 967         if (blocked) {
 968                 guint n_blocked;
 969
 970                 n_blocked =
 971                         g_atomic_int_exchange_and_add(&technology->blocked, 1);
 972                 if (n_blocked != g_hash_table_size(technology->rfkill_list) - 1)
 973                         return 0;
 974
 975                 technology_blocked(technology, blocked);
 976                 technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 977                 state_changed(technology);
 978         } else {
 979                 if (g_atomic_int_dec_and_test(&technology->blocked) == FALSE)
 980                         return 0;
 981
 982                 technology_blocked(technology, blocked);
 983                 technology->state = CONNMAN_TECHNOLOGY_STATE_ENABLED;
 984                 state_changed(technology);
 985         }
 986
 987         return 0;
 988 }
 989
 990 int __connman_technology_remove_rfkill(unsigned int index,
 991                                         enum connman_service_type type)
 992 {
 993         struct connman_technology *technology;
 994         struct connman_rfkill *rfkill;
 995         connman_bool_t blocked;
 996
 997         DBG("index %u", index);
 998
 999         technology = technology_find(type);
1000         if (technology == NULL)
1001                 return -ENXIO;
1002
1003         rfkill = g_hash_table_lookup(technology->rfkill_list, &index);
1004         if (rfkill == NULL)
1005                 return -ENXIO;
1006
1007         blocked = (rfkill->softblock || rfkill->hardblock) ? TRUE : FALSE;
1008
1009         g_hash_table_remove(technology->rfkill_list, &index);
1010
1011         if (blocked &&
1012                 g_atomic_int_dec_and_test(&technology->blocked) == TRUE) {
1013                 technology_blocked(technology, FALSE);
1014                 technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
1015                 state_changed(technology);
1016         }
1017
1018         return 0;
1019 }
1020
1021 connman_bool_t __connman_technology_get_blocked(enum connman_service_type type)
1022 {
1023         struct connman_technology *technology;
1024
1025         technology = technology_find(type);
1026         if (technology == NULL)
1027                 return FALSE;
1028
1029         if (g_atomic_int_get(&technology->blocked))
1030                 return TRUE;
1031
1032         return FALSE;
1033 }
1034
1035 static int technology_load(struct connman_technology *technology)
1036 {
1037         const char *ident = __connman_profile_active_ident();
1038         GKeyFile *keyfile;
1039         gchar *identifier;
1040         GError *error = NULL;
1041         connman_bool_t enable;
1042
1043         DBG("technology %p", technology);
1044
1045         keyfile = __connman_storage_open_profile(ident);
1046         if (keyfile == NULL)
1047                 return 0;
1048
1049         identifier = g_strdup_printf("%s", get_name(technology->type));
1050         if (identifier == NULL)
1051                 goto done;
1052
1053         enable = g_key_file_get_boolean(keyfile, identifier, "Enable", &error);
1054         if (error == NULL)
1055                 technology->enable_persistent = enable;
1056         else
1057                 technology->enable_persistent = FALSE;
1058
1059         g_clear_error(&error);
1060 done:
1061         g_free(identifier);
1062
1063         __connman_storage_close_profile(ident, keyfile, FALSE);
1064
1065         return 0;
1066 }
1067
1068 static int technology_save(struct connman_technology *technology)
1069 {
1070         const char *ident = __connman_profile_active_ident();
1071         GKeyFile *keyfile;
1072         gchar *identifier;
1073
1074         DBG("technology %p", technology);
1075
1076         keyfile = __connman_storage_open_profile(ident);
1077         if (keyfile == NULL)
1078                 return 0;
1079
1080         identifier = g_strdup_printf("%s", get_name(technology->type));
1081         if (identifier == NULL)
1082                 goto done;
1083
1084         g_key_file_set_boolean(keyfile, identifier, "Enable",
1085                                 technology->enable_persistent);
1086
1087 done:
1088         g_free(identifier);
1089
1090         __connman_storage_close_profile(ident, keyfile, TRUE);
1091
1092         return 0;
1093 }
1094
1095 static struct connman_storage tech_storage = {
1096         .name           = "technology",
1097         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1098         .tech_load      = technology_load,
1099         .tech_save      = technology_save,
1100 };
1101
1102 int __connman_technology_init(void)
1103 {
1104         DBG("");
1105
1106         connection = connman_dbus_get_connection();
1107
1108         return connman_storage_register(&tech_storage);
1109 }
1110
1111 void __connman_technology_cleanup(void)
1112 {
1113         DBG("");
1114
1115         dbus_connection_unref(connection);
1116
1117         connman_storage_unregister(&tech_storage);
1118 }