src/technology.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2010  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <errno.h>
  27 #include <string.h>
  28
  29 #include <gdbus.h>
  30
  31 #include "connman.h"
  32
  33 static DBusConnection *connection;
  34
  35 static GHashTable *device_table;
  36 static GSList *technology_list = NULL;
  37
  38 struct connman_rfkill {
  39         unsigned int index;
  40         enum connman_service_type type;
  41         connman_bool_t softblock;
  42         connman_bool_t hardblock;
  43 };
  44
  45 enum connman_technology_state {
  46         CONNMAN_TECHNOLOGY_STATE_UNKNOWN   = 0,
  47         CONNMAN_TECHNOLOGY_STATE_OFFLINE   = 1,
  48         CONNMAN_TECHNOLOGY_STATE_AVAILABLE = 2,
  49         CONNMAN_TECHNOLOGY_STATE_ENABLED   = 3,
  50         CONNMAN_TECHNOLOGY_STATE_CONNECTED = 4,
  51 };
  52
  53 struct connman_technology {
  54         gint refcount;
  55         enum connman_service_type type;
  56         enum connman_technology_state state;
  57         char *path;
  58         GHashTable *rfkill_list;
  59         GSList *device_list;
  60         gint enabled;
  61         gint blocked;
  62         char *regdom;
  63
  64         connman_bool_t tethering;
  65         char *tethering_ident;
  66         char *tethering_passphrase;
  67
  68         struct connman_technology_driver *driver;
  69         void *driver_data;
  70
  71         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_AVAILABLE:
 259                 return "available";
 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                 if (bridge == NULL)
 392                         return __connman_error_not_supported(msg);
 393
 394                 err = set_tethering(technology, bridge, tethering);
 395                 if (err < 0)
 396                         return __connman_error_failed(msg, -err);
 397
 398         } else if (g_str_equal(name, "TetheringIdentifier") == TRUE) {
 399                 const char *str;
 400
 401                 dbus_message_iter_get_basic(&value, &str);
 402
 403                 if (technology->type != CONNMAN_SERVICE_TYPE_WIFI)
 404                         return __connman_error_not_supported(msg);
 405
 406                 technology->tethering_ident = g_strdup(str);
 407         } else if (g_str_equal(name, "TetheringPassphrase") == TRUE) {
 408                 const char *str;
 409
 410                 dbus_message_iter_get_basic(&value, &str);
 411
 412                 if (technology->type != CONNMAN_SERVICE_TYPE_WIFI)
 413                         return __connman_error_not_supported(msg);
 414
 415                 if (strlen(str) < 8)
 416                         return __connman_error_invalid_arguments(msg);
 417
 418                 technology->tethering_passphrase = g_strdup(str);
 419         } else
 420                 return __connman_error_invalid_property(msg);
 421
 422         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 423 }
 424
 425 static GDBusMethodTable technology_methods[] = {
 426         { "GetProperties", "",   "a{sv}", get_properties },
 427         { "SetProperty",   "sv", "",      set_property   },
 428         { },
 429 };
 430
 431 static GDBusSignalTable technology_signals[] = {
 432         { "PropertyChanged", "sv" },
 433         { },
 434 };
 435
 436 static struct connman_technology *technology_find(enum connman_service_type type)
 437 {
 438         GSList *list;
 439
 440         DBG("type %d", type);
 441
 442         for (list = technology_list; list; list = list->next) {
 443                 struct connman_technology *technology = list->data;
 444
 445                 if (technology->type == type)
 446                         return technology;
 447         }
 448
 449         return NULL;
 450 }
 451
 452 static struct connman_technology *technology_get(enum connman_service_type type)
 453 {
 454         struct connman_technology *technology;
 455         const char *str;
 456         GSList *list;
 457
 458         DBG("type %d", type);
 459
 460         technology = technology_find(type);
 461         if (technology != NULL) {
 462                 g_atomic_int_inc(&technology->refcount);
 463                 goto done;
 464         }
 465
 466         str = __connman_service_type2string(type);
 467         if (str == NULL)
 468                 return NULL;
 469
 470         technology = g_try_new0(struct connman_technology, 1);
 471         if (technology == NULL)
 472                 return NULL;
 473
 474         technology->refcount = 1;
 475
 476         technology->type = type;
 477         technology->path = g_strdup_printf("%s/technology/%s",
 478                                                         CONNMAN_PATH, str);
 479
 480         technology->rfkill_list = g_hash_table_new_full(g_int_hash, g_int_equal,
 481                                                         NULL, free_rfkill);
 482         technology->device_list = NULL;
 483
 484         technology->pending_reply = NULL;
 485         technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 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 static void unregister_technology(gpointer data)
 618 {
 619         struct connman_technology *technology = data;
 620
 621         technology_put(technology);
 622 }
 623
 624 int __connman_technology_add_device(struct connman_device *device)
 625 {
 626         struct connman_technology *technology;
 627         enum connman_service_type type;
 628
 629         DBG("device %p", device);
 630
 631         type = __connman_device_get_service_type(device);
 632         __connman_notifier_register(type);
 633
 634         technology = technology_get(type);
 635         if (technology == NULL)
 636                 return -ENXIO;
 637
 638         g_hash_table_insert(device_table, device, technology);
 639
 640         if (g_atomic_int_get(&technology->blocked))
 641                 goto done;
 642
 643         technology->state = CONNMAN_TECHNOLOGY_STATE_AVAILABLE;
 644
 645         state_changed(technology);
 646
 647 done:
 648
 649         technology->device_list = g_slist_append(technology->device_list,
 650                                                                 device);
 651
 652         return 0;
 653 }
 654
 655 int __connman_technology_remove_device(struct connman_device *device)
 656 {
 657         struct connman_technology *technology;
 658         enum connman_service_type type;
 659
 660         DBG("device %p", device);
 661
 662         type = __connman_device_get_service_type(device);
 663         __connman_notifier_unregister(type);
 664
 665         technology = g_hash_table_lookup(device_table, device);
 666         if (technology == NULL)
 667                 return -ENXIO;
 668
 669         technology->device_list = g_slist_remove(technology->device_list,
 670                                                                 device);
 671         if (technology->device_list == NULL) {
 672                 technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 673                 state_changed(technology);
 674         }
 675
 676         g_hash_table_remove(device_table, device);
 677
 678         return 0;
 679 }
 680
 681 static gboolean technology_pending_reply(gpointer user_data)
 682 {
 683         struct connman_technology *technology = user_data;
 684         DBusMessage *reply;
 685
 686         /* Power request timedout, send ETIMEDOUT. */
 687         if (technology->pending_reply != NULL) {
 688                 reply = __connman_error_failed(technology->pending_reply, ETIMEDOUT);
 689                 if (reply != NULL)
 690                         g_dbus_send_message(connection, reply);
 691
 692                 dbus_message_unref(technology->pending_reply);
 693                 technology->pending_reply = NULL;
 694                 technology->pending_timeout = 0;
 695         }
 696
 697         return FALSE;
 698 }
 699
 700 int __connman_technology_enabled(enum connman_service_type type)
 701 {
 702         struct connman_technology *technology;
 703
 704         technology = technology_find(type);
 705         if (technology == NULL)
 706                 return -ENXIO;
 707
 708         if (g_atomic_int_get(&technology->blocked))
 709                 return -ERFKILL;
 710
 711         __connman_notifier_enable(type);
 712
 713         if (g_atomic_int_exchange_and_add(&technology->enabled, 1) == 0) {
 714                 technology->state = CONNMAN_TECHNOLOGY_STATE_ENABLED;
 715                 state_changed(technology);
 716         }
 717
 718         if (__connman_profile_get_offlinemode() == TRUE) {
 719                 __connman_profile_set_offlinemode(FALSE, FALSE);
 720                 __connman_profile_save_default();
 721         }
 722
 723         if (technology->pending_reply != NULL) {
 724                 g_dbus_send_reply(connection, technology->pending_reply, DBUS_TYPE_INVALID);
 725                 dbus_message_unref(technology->pending_reply);
 726                 technology->pending_reply = NULL;
 727                 technology->pending_timeout = 0;
 728         }
 729
 730         return 0;
 731 }
 732
 733 int __connman_technology_enable(enum connman_service_type type, DBusMessage *msg)
 734 {
 735         struct connman_technology *technology;
 736         GSList *list;
 737         int err = 0;
 738         int ret = -ENODEV;
 739         DBusMessage *reply;
 740
 741         DBG("type %d enable", type);
 742
 743         technology = technology_find(type);
 744         if (technology == NULL) {
 745                 err = -ENXIO;
 746                 goto done;
 747         }
 748
 749         if (technology->pending_reply != NULL) {
 750                 err = -EBUSY;
 751                 goto done;
 752         }
 753
 754         if (msg != NULL)
 755                 technology->pending_reply = dbus_message_ref(msg);
 756
 757         for (list = technology->device_list; list; list = list->next) {
 758                 struct connman_device *device = list->data;
 759
 760                 err = __connman_device_enable_persistent(device);
 761                 /*
 762                  * err = 0 : Device was enabled right away.
 763                  * If atleast one device gets enabled, we consider
 764                  * the technology to be enabled.
 765                  */
 766                 if (err == 0)
 767                         ret = 0;
 768         }
 769
 770 done:
 771         if (ret == 0)
 772                 return ret;
 773
 774         if (msg != NULL) {
 775                 if (err == -EINPROGRESS)
 776                         technology->pending_timeout = g_timeout_add_seconds(10,
 777                                         technology_pending_reply, technology);
 778                 else {
 779                         reply = __connman_error_failed(msg, -err);
 780                         if (reply != NULL)
 781                                 g_dbus_send_message(connection, reply);
 782                 }
 783         }
 784
 785         return err;
 786 }
 787
 788 int __connman_technology_disabled(enum connman_service_type type)
 789 {
 790         struct connman_technology *technology;
 791         GSList *list;
 792
 793         technology = technology_find(type);
 794         if (technology == NULL)
 795                 return -ENXIO;
 796
 797         if (technology->pending_reply != NULL) {
 798                 g_dbus_send_reply(connection, technology->pending_reply, DBUS_TYPE_INVALID);
 799                 dbus_message_unref(technology->pending_reply);
 800                 technology->pending_reply = NULL;
 801         }
 802
 803         if (g_atomic_int_dec_and_test(&technology->enabled) == TRUE) {
 804                 __connman_notifier_disable(type);
 805
 806                 technology->state = CONNMAN_TECHNOLOGY_STATE_AVAILABLE;
 807                 state_changed(technology);
 808         }
 809
 810         for (list = technology->device_list; list; list = list->next) {
 811                 struct connman_device *device = list->data;
 812
 813                 if (__connman_device_get_blocked(device) == FALSE)
 814                         return 0;
 815         }
 816
 817         technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 818         state_changed(technology);
 819
 820         return 0;
 821 }
 822
 823 int __connman_technology_disable(enum connman_service_type type, DBusMessage *msg)
 824 {
 825         struct connman_technology *technology;
 826         GSList *list;
 827         int err = 0;
 828         int ret = -ENODEV;
 829         DBusMessage *reply;
 830
 831         DBG("type %d disable", type);
 832
 833         technology = technology_find(type);
 834         if (technology == NULL) {
 835                 err = -ENXIO;
 836                 goto done;
 837         }
 838
 839         if (technology->pending_reply != NULL) {
 840                 err = -EBUSY;
 841                 goto done;
 842         }
 843
 844         if (msg != NULL)
 845                 technology->pending_reply = dbus_message_ref(msg);
 846
 847         for (list = technology->device_list; list; list = list->next) {
 848                 struct connman_device *device = list->data;
 849
 850                 err = __connman_device_disable_persistent(device);
 851                 if (err == 0)
 852                         ret = 0;
 853         }
 854
 855 done:
 856         if (ret == 0)
 857                 return ret;
 858
 859         if (msg != NULL) {
 860                 if (err == -EINPROGRESS)
 861                         technology->pending_timeout = g_timeout_add_seconds(10,
 862                                         technology_pending_reply, technology);
 863                 else {
 864                         reply = __connman_error_failed(msg, -err);
 865                         if (reply != NULL)
 866                                 g_dbus_send_message(connection, reply);
 867                 }
 868         }
 869
 870         return err;
 871 }
 872
 873 static void technology_blocked(struct connman_technology *technology,
 874                                 connman_bool_t blocked)
 875 {
 876         GSList *list;
 877
 878         for (list = technology->device_list; list; list = list->next) {
 879                 struct connman_device *device = list->data;
 880
 881                 __connman_device_set_blocked(device, blocked);
 882         }
 883 }
 884
 885 int __connman_technology_add_rfkill(unsigned int index,
 886                                         enum connman_service_type type,
 887                                                 connman_bool_t softblock,
 888                                                 connman_bool_t hardblock)
 889 {
 890         struct connman_technology *technology;
 891         struct connman_rfkill *rfkill;
 892         connman_bool_t blocked;
 893
 894         DBG("index %u type %d soft %u hard %u", index, type,
 895                                                         softblock, hardblock);
 896
 897         technology = technology_get(type);
 898         if (technology == NULL)
 899                 return -ENXIO;
 900
 901         rfkill = g_try_new0(struct connman_rfkill, 1);
 902         if (rfkill == NULL)
 903                 return -ENOMEM;
 904
 905         rfkill->index = index;
 906         rfkill->type = type;
 907         rfkill->softblock = softblock;
 908         rfkill->hardblock = hardblock;
 909
 910         g_hash_table_replace(technology->rfkill_list, &rfkill->index, rfkill);
 911
 912         blocked = (softblock || hardblock) ? TRUE : FALSE;
 913         if (blocked == FALSE)
 914                 return 0;
 915
 916         if (g_atomic_int_exchange_and_add(&technology->blocked, 1) == 0) {
 917                 technology_blocked(technology, TRUE);
 918
 919                 technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 920                 state_changed(technology);
 921         }
 922
 923         return 0;
 924 }
 925
 926 int __connman_technology_update_rfkill(unsigned int index,
 927                                         enum connman_service_type type,
 928                                                 connman_bool_t softblock,
 929                                                 connman_bool_t hardblock)
 930 {
 931         struct connman_technology *technology;
 932         struct connman_rfkill *rfkill;
 933         connman_bool_t blocked, old_blocked;
 934
 935         DBG("index %u soft %u hard %u", index, softblock, hardblock);
 936
 937         technology = technology_find(type);
 938         if (technology == NULL)
 939                 return -ENXIO;
 940
 941         rfkill = g_hash_table_lookup(technology->rfkill_list, &index);
 942         if (rfkill == NULL)
 943                 return -ENXIO;
 944
 945         old_blocked = (rfkill->softblock || rfkill->hardblock) ? TRUE : FALSE;
 946         blocked = (softblock || hardblock) ? TRUE : FALSE;
 947
 948         rfkill->softblock = softblock;
 949         rfkill->hardblock = hardblock;
 950
 951         if (blocked == old_blocked)
 952                 return 0;
 953
 954         if (blocked) {
 955                 guint n_blocked;
 956
 957                 n_blocked =
 958                         g_atomic_int_exchange_and_add(&technology->blocked, 1);
 959                 if (n_blocked != g_hash_table_size(technology->rfkill_list) - 1)
 960                         return 0;
 961
 962                 technology_blocked(technology, blocked);
 963                 technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 964                 state_changed(technology);
 965         } else {
 966                 if (g_atomic_int_dec_and_test(&technology->blocked) == FALSE)
 967                         return 0;
 968
 969                 technology_blocked(technology, blocked);
 970                 technology->state = CONNMAN_TECHNOLOGY_STATE_AVAILABLE;
 971                 state_changed(technology);
 972         }
 973
 974         return 0;
 975 }
 976
 977 int __connman_technology_remove_rfkill(unsigned int index,
 978                                         enum connman_service_type type)
 979 {
 980         struct connman_technology *technology;
 981         struct connman_rfkill *rfkill;
 982         connman_bool_t blocked;
 983
 984         DBG("index %u", index);
 985
 986         technology = technology_find(type);
 987         if (technology == NULL)
 988                 return -ENXIO;
 989
 990         rfkill = g_hash_table_lookup(technology->rfkill_list, &index);
 991         if (rfkill == NULL)
 992                 return -ENXIO;
 993
 994         blocked = (rfkill->softblock || rfkill->hardblock) ? TRUE : FALSE;
 995
 996         g_hash_table_remove(technology->rfkill_list, &index);
 997
 998         if (blocked &&
 999                 g_atomic_int_dec_and_test(&technology->blocked) == TRUE) {
1000                 technology_blocked(technology, FALSE);
1001                 technology->state = CONNMAN_TECHNOLOGY_STATE_AVAILABLE;
1002                 state_changed(technology);
1003         }
1004
1005         return 0;
1006 }
1007
1008 connman_bool_t __connman_technology_get_blocked(enum connman_service_type type)
1009 {
1010         struct connman_technology *technology;
1011
1012         technology = technology_find(type);
1013         if (technology == NULL)
1014                 return FALSE;
1015
1016         if (g_atomic_int_get(&technology->blocked))
1017                 return TRUE;
1018
1019         return FALSE;
1020 }
1021
1022 int __connman_technology_init(void)
1023 {
1024         DBG("");
1025
1026         connection = connman_dbus_get_connection();
1027
1028         device_table = g_hash_table_new_full(g_direct_hash, g_direct_equal,
1029                                                 NULL, unregister_technology);
1030
1031         return 0;
1032 }
1033
1034 void __connman_technology_cleanup(void)
1035 {
1036         DBG("");
1037
1038         g_hash_table_destroy(device_table);
1039
1040         dbus_connection_unref(connection);
1041 }