git.maemo.org Git - connman/blob - src/device.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  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 struct connman_device {
  34         struct connman_element element;
  35         enum connman_device_type type;
  36         enum connman_device_mode mode;
  37         enum connman_device_policy policy;
  38         connman_bool_t powered;
  39         connman_bool_t carrier;
  40         connman_bool_t scanning;
  41         connman_bool_t disconnected;
  42         connman_uint8_t priority;
  43         connman_uint16_t scan_interval;
  44         char *name;
  45         char *node;
  46         char *address;
  47         char *interface;
  48         unsigned int connections;
  49         guint scan_timeout;
  50
  51         struct connman_device_driver *driver;
  52         void *driver_data;
  53
  54         connman_bool_t registered;
  55
  56         char *last_network;
  57         struct connman_network *network;
  58         GHashTable *networks;
  59 };
  60
  61 static gboolean device_scan_trigger(gpointer user_data)
  62 {
  63         struct connman_device *device = user_data;
  64
  65         DBG("device %p", device);
  66
  67         if (device->driver == NULL) {
  68                 device->scan_timeout = 0;
  69                 return FALSE;
  70         }
  71
  72         if (device->driver->scan)
  73                 device->driver->scan(device);
  74
  75         return TRUE;
  76 }
  77
  78 static const char *type2description(enum connman_device_type type)
  79 {
  80         switch (type) {
  81         case CONNMAN_DEVICE_TYPE_UNKNOWN:
  82         case CONNMAN_DEVICE_TYPE_VENDOR:
  83                 break;
  84         case CONNMAN_DEVICE_TYPE_ETHERNET:
  85                 return "Ethernet";
  86         case CONNMAN_DEVICE_TYPE_WIFI:
  87                 return "Wireless";
  88         case CONNMAN_DEVICE_TYPE_WIMAX:
  89                 return "WiMAX";
  90         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
  91                 return "Bluetooth";
  92         case CONNMAN_DEVICE_TYPE_GPS:
  93                 return "GPS";
  94         case CONNMAN_DEVICE_TYPE_HSO:
  95         case CONNMAN_DEVICE_TYPE_NOZOMI:
  96         case CONNMAN_DEVICE_TYPE_HUAWEI:
  97         case CONNMAN_DEVICE_TYPE_NOVATEL:
  98                 return "Cellular";
  99         }
 100
 101         return NULL;
 102 }
 103
 104 static const char *type2string(enum connman_device_type type)
 105 {
 106         switch (type) {
 107         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 108         case CONNMAN_DEVICE_TYPE_VENDOR:
 109                 break;
 110         case CONNMAN_DEVICE_TYPE_ETHERNET:
 111                 return "ethernet";
 112         case CONNMAN_DEVICE_TYPE_WIFI:
 113                 return "wifi";
 114         case CONNMAN_DEVICE_TYPE_WIMAX:
 115                 return "wimax";
 116         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 117                 return "bluetooth";
 118         case CONNMAN_DEVICE_TYPE_GPS:
 119                 return "gps";
 120         case CONNMAN_DEVICE_TYPE_HSO:
 121         case CONNMAN_DEVICE_TYPE_HUAWEI:
 122         case CONNMAN_DEVICE_TYPE_NOZOMI:
 123         case CONNMAN_DEVICE_TYPE_NOVATEL:
 124                 return "cellular";
 125         }
 126
 127         return NULL;
 128 }
 129
 130 static const char *policy2string(enum connman_device_policy policy)
 131 {
 132         switch (policy) {
 133         case CONNMAN_DEVICE_POLICY_UNKNOWN:
 134                 break;
 135         case CONNMAN_DEVICE_POLICY_IGNORE:
 136                 return "ignore";
 137         case CONNMAN_DEVICE_POLICY_OFF:
 138                 return "off";
 139         case CONNMAN_DEVICE_POLICY_AUTO:
 140                 return "auto";
 141         case CONNMAN_DEVICE_POLICY_MANUAL:
 142                 return "manual";
 143         }
 144
 145         return NULL;
 146 }
 147
 148 static enum connman_device_policy string2policy(const char *policy)
 149 {
 150         if (g_str_equal(policy, "ignore") == TRUE)
 151                 return CONNMAN_DEVICE_POLICY_IGNORE;
 152         else if (g_str_equal(policy, "off") == TRUE)
 153                 return CONNMAN_DEVICE_POLICY_OFF;
 154         else if (g_str_equal(policy, "auto") == TRUE)
 155                 return CONNMAN_DEVICE_POLICY_AUTO;
 156         else if (g_str_equal(policy, "manual") == TRUE)
 157                 return CONNMAN_DEVICE_POLICY_MANUAL;
 158         else
 159                 return CONNMAN_DEVICE_POLICY_UNKNOWN;
 160 }
 161
 162 static int set_powered(struct connman_device *device, connman_bool_t powered)
 163 {
 164         struct connman_device_driver *driver = device->driver;
 165         int err;
 166
 167         DBG("device %p powered %d", device, powered);
 168
 169         if (!driver)
 170                 return -EINVAL;
 171
 172         if (powered == TRUE) {
 173                 if (driver->enable) {
 174                         err = driver->enable(device);
 175                         __connman_notifier_device_type_increase(device->type);
 176                 } else
 177                         err = -EINVAL;
 178         } else {
 179                 g_hash_table_remove_all(device->networks);
 180
 181                 if (driver->disable) {
 182                         err = driver->disable(device);
 183                         __connman_notifier_device_type_decrease(device->type);
 184                 } else
 185                         err = -EINVAL;
 186         }
 187
 188         return err;
 189 }
 190
 191 static int set_policy(DBusConnection *connection,
 192                                 struct connman_device *device,
 193                                         enum connman_device_policy policy)
 194 {
 195         DBusMessage *signal;
 196         DBusMessageIter entry, value;
 197         const char *str, *key = "Policy";
 198         int err = 0;
 199
 200         DBG("device %p policy %d", device, policy);
 201
 202         if (device->policy == policy)
 203                 return 0;
 204
 205         switch (policy) {
 206         case CONNMAN_DEVICE_POLICY_UNKNOWN:
 207                 return -EINVAL;
 208         case CONNMAN_DEVICE_POLICY_IGNORE:
 209                 break;
 210         case CONNMAN_DEVICE_POLICY_OFF:
 211                 if (device->powered == TRUE)
 212                         err = set_powered(device, FALSE);
 213                 break;
 214         case CONNMAN_DEVICE_POLICY_AUTO:
 215         case CONNMAN_DEVICE_POLICY_MANUAL:
 216                 if (device->powered == FALSE)
 217                         err = set_powered(device, TRUE);
 218                 break;
 219         }
 220
 221         if (err < 0)
 222                 return err;
 223
 224         device->policy = policy;
 225
 226         signal = dbus_message_new_signal(device->element.path,
 227                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 228         if (signal == NULL)
 229                 return 0;
 230
 231         dbus_message_iter_init_append(signal, &entry);
 232
 233         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 234
 235         str = policy2string(policy);
 236
 237         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 238                                         DBUS_TYPE_STRING_AS_STRING, &value);
 239         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &str);
 240         dbus_message_iter_close_container(&entry, &value);
 241
 242         g_dbus_send_message(connection, signal);
 243
 244         return 0;
 245 }
 246
 247 static void append_path(gpointer key, gpointer value, gpointer user_data)
 248 {
 249         struct connman_element *element = value;
 250         DBusMessageIter *iter = user_data;
 251
 252         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 253                                                         &element->path);
 254 }
 255
 256 static void append_networks(struct connman_device *device,
 257                                                 DBusMessageIter *entry)
 258 {
 259         DBusMessageIter value, iter;
 260         const char *key = "Networks";
 261
 262         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 263
 264         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 265                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 266                                                                 &value);
 267
 268         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 269                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 270         g_hash_table_foreach(device->networks, append_path, &iter);
 271         dbus_message_iter_close_container(&value, &iter);
 272
 273         dbus_message_iter_close_container(entry, &value);
 274 }
 275
 276 static DBusMessage *get_properties(DBusConnection *conn,
 277                                         DBusMessage *msg, void *data)
 278 {
 279         struct connman_device *device = data;
 280         DBusMessage *reply;
 281         DBusMessageIter array, dict, entry;
 282         const char *str;
 283
 284         DBG("conn %p", conn);
 285
 286         if (__connman_security_check_privilege(msg,
 287                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 288                 return __connman_error_permission_denied(msg);
 289
 290         reply = dbus_message_new_method_return(msg);
 291         if (reply == NULL)
 292                 return NULL;
 293
 294         dbus_message_iter_init_append(reply, &array);
 295
 296         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 297                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 298                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 299                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 300
 301         str = type2description(device->type);
 302         if (str != NULL && device->interface != NULL) {
 303                 char *name = g_strdup_printf("%s (%s)", str, device->interface);
 304                 if (name != NULL)
 305                         connman_dbus_dict_append_variant(&dict, "Name",
 306                                                 DBUS_TYPE_STRING, &name);
 307                 g_free(name);
 308         }
 309
 310         str = type2string(device->type);
 311         if (str != NULL)
 312                 connman_dbus_dict_append_variant(&dict, "Type",
 313                                                 DBUS_TYPE_STRING, &str);
 314
 315         if (device->address != NULL)
 316                 connman_dbus_dict_append_variant(&dict, "Address",
 317                                         DBUS_TYPE_STRING, &device->address);
 318
 319         if (device->interface != NULL)
 320                 connman_dbus_dict_append_variant(&dict, "Interface",
 321                                         DBUS_TYPE_STRING, &device->interface);
 322
 323         str = policy2string(device->policy);
 324         if (str != NULL)
 325                 connman_dbus_dict_append_variant(&dict, "Policy",
 326                                                 DBUS_TYPE_STRING, &str);
 327
 328         if (device->priority > 0)
 329                 connman_dbus_dict_append_variant(&dict, "Priority",
 330                                         DBUS_TYPE_BYTE, &device->priority);
 331
 332         connman_dbus_dict_append_variant(&dict, "Powered",
 333                                         DBUS_TYPE_BOOLEAN, &device->powered);
 334
 335         if (device->driver && device->driver->scan)
 336                 connman_dbus_dict_append_variant(&dict, "Scanning",
 337                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 338
 339         switch (device->mode) {
 340         case CONNMAN_DEVICE_MODE_UNKNOWN:
 341                 break;
 342         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 343                 __connman_element_append_ipv4(&device->element, &dict);
 344                 break;
 345         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 346         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 347                 if (device->scan_interval > 0)
 348                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 349                                 DBUS_TYPE_UINT16, &device->scan_interval);
 350
 351                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 352                                                                 NULL, &entry);
 353                 append_networks(device, &entry);
 354                 dbus_message_iter_close_container(&dict, &entry);
 355                 break;
 356         }
 357
 358         dbus_message_iter_close_container(&array, &dict);
 359
 360         return reply;
 361 }
 362
 363 static DBusMessage *set_property(DBusConnection *conn,
 364                                         DBusMessage *msg, void *data)
 365 {
 366         struct connman_device *device = data;
 367         DBusMessageIter iter, value;
 368         const char *name;
 369         int type;
 370
 371         DBG("conn %p", conn);
 372
 373         if (dbus_message_iter_init(msg, &iter) == FALSE)
 374                 return __connman_error_invalid_arguments(msg);
 375
 376         dbus_message_iter_get_basic(&iter, &name);
 377         dbus_message_iter_next(&iter);
 378         dbus_message_iter_recurse(&iter, &value);
 379
 380         if (__connman_security_check_privilege(msg,
 381                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 382                 return __connman_error_permission_denied(msg);
 383
 384         type = dbus_message_iter_get_arg_type(&value);
 385
 386         if (g_str_equal(name, "Powered") == TRUE) {
 387                 connman_bool_t powered;
 388                 int err;
 389
 390                 if (type != DBUS_TYPE_BOOLEAN)
 391                         return __connman_error_invalid_arguments(msg);
 392
 393                 dbus_message_iter_get_basic(&value, &powered);
 394
 395                 if (device->powered == powered)
 396                         return __connman_error_invalid_arguments(msg);
 397
 398                 err = set_powered(device, powered);
 399                 if (err < 0 && err != -EINPROGRESS)
 400                         return __connman_error_failed(msg);
 401         } else if (g_str_equal(name, "Policy") == TRUE) {
 402                 enum connman_device_policy policy;
 403                 const char *str;
 404                 int err;
 405
 406                 if (type != DBUS_TYPE_STRING)
 407                         return __connman_error_invalid_arguments(msg);
 408
 409                 dbus_message_iter_get_basic(&value, &str);
 410                 policy = string2policy(str);
 411                 if (policy == CONNMAN_DEVICE_POLICY_UNKNOWN)
 412                         return __connman_error_invalid_arguments(msg);
 413
 414                 err = set_policy(conn, device, policy);
 415                 if (err < 0)
 416                         return __connman_error_failed(msg);
 417         } else if (g_str_equal(name, "Priority") == TRUE) {
 418                 connman_uint8_t priority;
 419
 420                 if (type != DBUS_TYPE_BYTE)
 421                         return __connman_error_invalid_arguments(msg);
 422
 423                 dbus_message_iter_get_basic(&value, &priority);
 424
 425                 device->priority = priority;
 426         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 427                 connman_uint16_t interval;
 428
 429                 switch (device->mode) {
 430                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 431                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 432                         return __connman_error_invalid_arguments(msg);
 433                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 434                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 435                         break;
 436                 }
 437
 438                 if (type != DBUS_TYPE_UINT16)
 439                         return __connman_error_invalid_arguments(msg);
 440
 441                 dbus_message_iter_get_basic(&value, &interval);
 442
 443                 device->scan_interval = interval;
 444
 445                 if (device->scan_timeout > 0) {
 446                         g_source_remove(device->scan_timeout);
 447                         device->scan_timeout = 0;
 448                 }
 449
 450                 if (device->scan_interval > 0) {
 451                         guint interval = device->scan_interval;
 452                         device->scan_timeout = g_timeout_add_seconds(interval,
 453                                                 device_scan_trigger, device);
 454                 }
 455         } else if (g_str_has_prefix(name, "IPv4") == TRUE) {
 456                 switch (device->mode) {
 457                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 458                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 459                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 460                         return __connman_error_invalid_arguments(msg);
 461                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 462                         __connman_element_set_ipv4(&device->element,
 463                                                                 name, &value);
 464                         break;
 465                 }
 466         }
 467
 468         __connman_storage_save_device(device);
 469
 470         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 471 }
 472
 473 static DBusMessage *join_network(DBusConnection *conn,
 474                                         DBusMessage *msg, void *data)
 475 {
 476         struct connman_device *device = data;
 477         struct connman_network *network;
 478         DBusMessageIter iter, array;
 479         int err, index;
 480
 481         DBG("conn %p", conn);
 482
 483         if (__connman_security_check_privilege(msg,
 484                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 485                 return __connman_error_permission_denied(msg);
 486
 487         if (!device->driver || !device->driver->join)
 488                 return __connman_error_not_supported(msg);
 489
 490         dbus_message_iter_init(msg, &iter);
 491         dbus_message_iter_recurse(&iter, &array);
 492
 493         network = connman_network_create("_", CONNMAN_NETWORK_TYPE_UNKNOWN);
 494         if (network == NULL)
 495                 return __connman_error_failed(msg);
 496
 497         while (dbus_message_iter_get_arg_type(&iter) == DBUS_TYPE_DICT_ENTRY) {
 498                 DBusMessageIter entry, value;
 499                 const char *key, *str;
 500
 501                 dbus_message_iter_recurse(&iter, &entry);
 502                 dbus_message_iter_get_basic(&entry, &key);
 503
 504                 dbus_message_iter_next(&entry);
 505                 dbus_message_iter_recurse(&entry, &value);
 506
 507                 switch (dbus_message_iter_get_arg_type(&value)) {
 508                 case DBUS_TYPE_STRING:
 509                         dbus_message_iter_get_basic(&value, &str);
 510                         connman_network_set_string(network, key, str);
 511                         break;
 512                 }
 513
 514                 dbus_message_iter_next(&iter);
 515         }
 516
 517         index = connman_device_get_index(device);
 518         connman_network_set_index(network, index);
 519
 520         err = device->driver->join(device, network);
 521
 522         connman_network_unref(network);
 523
 524         if (err < 0)
 525                 return __connman_error_failed(msg);
 526
 527         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 528 }
 529
 530 static DBusMessage *create_network(DBusConnection *conn,
 531                                         DBusMessage *msg, void *data)
 532 {
 533         DBG("conn %p", conn);
 534
 535         if (__connman_security_check_privilege(msg,
 536                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 537                 return __connman_error_permission_denied(msg);
 538
 539         return __connman_error_invalid_arguments(msg);
 540 }
 541
 542 static DBusMessage *remove_network(DBusConnection *conn,
 543                                         DBusMessage *msg, void *data)
 544 {
 545         DBG("conn %p", conn);
 546
 547         if (__connman_security_check_privilege(msg,
 548                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 549                 return __connman_error_permission_denied(msg);
 550
 551         return __connman_error_invalid_arguments(msg);
 552 }
 553
 554 static DBusMessage *propose_scan(DBusConnection *conn,
 555                                         DBusMessage *msg, void *data)
 556 {
 557         struct connman_device *device = data;
 558         int err;
 559
 560         DBG("conn %p", conn);
 561
 562         switch (device->mode) {
 563         case CONNMAN_DEVICE_MODE_UNKNOWN:
 564         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 565                 return __connman_error_not_supported(msg);
 566         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 567         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 568                 break;
 569         }
 570
 571         if (!device->driver || !device->driver->scan)
 572                 return __connman_error_not_supported(msg);
 573
 574         if (device->powered == FALSE)
 575                 return __connman_error_failed(msg);
 576
 577         err = device->driver->scan(device);
 578         if (err < 0)
 579                 return __connman_error_failed(msg);
 580
 581         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 582 }
 583
 584 static GDBusMethodTable device_methods[] = {
 585         { "GetProperties", "",      "a{sv}", get_properties },
 586         { "SetProperty",   "sv",    "",      set_property   },
 587         { "JoinNetwork",   "a{sv}", "",      join_network   },
 588         { "CreateNetwork", "a{sv}", "o",     create_network },
 589         { "RemoveNetwork", "o",     "",      remove_network },
 590         { "ProposeScan",   "",      "",      propose_scan   },
 591         { },
 592 };
 593
 594 static GDBusSignalTable device_signals[] = {
 595         { "PropertyChanged", "sv" },
 596         { },
 597 };
 598
 599 static DBusConnection *connection;
 600
 601 static void append_devices(DBusMessageIter *entry)
 602 {
 603         DBusMessageIter value, iter;
 604         const char *key = "Devices";
 605
 606         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 607
 608         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 609                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 610                                                                 &value);
 611
 612         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 613                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 614         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 615         dbus_message_iter_close_container(&value, &iter);
 616
 617         dbus_message_iter_close_container(entry, &value);
 618 }
 619
 620 static void emit_devices_signal(void)
 621 {
 622         DBusMessage *signal;
 623         DBusMessageIter entry;
 624
 625         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 626                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 627         if (signal == NULL)
 628                 return;
 629
 630         dbus_message_iter_init_append(signal, &entry);
 631
 632         append_devices(&entry);
 633
 634         g_dbus_send_message(connection, signal);
 635 }
 636
 637 static int register_interface(struct connman_element *element)
 638 {
 639         struct connman_device *device = element->device;
 640
 641         DBG("element %p name %s", element, element->name);
 642
 643         if (g_dbus_register_interface(connection, element->path,
 644                                         CONNMAN_DEVICE_INTERFACE,
 645                                         device_methods, device_signals,
 646                                         NULL, device, NULL) == FALSE) {
 647                 connman_error("Failed to register %s device", element->path);
 648                 return -EIO;
 649         }
 650
 651         device->registered = TRUE;
 652
 653         emit_devices_signal();
 654
 655         return 0;
 656 }
 657
 658 static void unregister_interface(struct connman_element *element)
 659 {
 660         struct connman_device *device = element->device;
 661
 662         DBG("element %p name %s", element, element->name);
 663
 664         device->registered = FALSE;
 665
 666         emit_devices_signal();
 667
 668         g_dbus_unregister_interface(connection, element->path,
 669                                                 CONNMAN_DEVICE_INTERFACE);
 670 }
 671
 672 static void device_enable(struct connman_device *device)
 673 {
 674         DBG("device %p", device);
 675
 676         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE ||
 677                                 device->policy == CONNMAN_DEVICE_POLICY_OFF)
 678                 return;
 679
 680         if (device->powered == TRUE)
 681                 return;
 682
 683         if (device->driver->enable) {
 684                 device->driver->enable(device);
 685                 __connman_notifier_device_type_increase(device->type);
 686         }
 687 }
 688
 689 static void device_disable(struct connman_device *device)
 690 {
 691         DBG("device %p", device);
 692
 693         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE)
 694                 return;
 695
 696         if (device->powered == FALSE)
 697                 return;
 698
 699         g_hash_table_remove_all(device->networks);
 700
 701         if (device->driver->disable) {
 702                 device->driver->disable(device);
 703                 __connman_notifier_device_type_decrease(device->type);
 704         }
 705 }
 706
 707 static int setup_device(struct connman_device *device)
 708 {
 709         int err;
 710
 711         DBG("device %p", device);
 712
 713         err = register_interface(&device->element);
 714         if (err < 0) {
 715                 if (device->driver->remove)
 716                         device->driver->remove(device);
 717                 device->driver = NULL;
 718                 return err;
 719         }
 720
 721         switch (device->mode) {
 722         case CONNMAN_DEVICE_MODE_UNKNOWN:
 723         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 724         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 725                 break;
 726         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 727                 __connman_profile_add_device(device);
 728                 break;
 729         }
 730
 731         device_enable(device);
 732
 733         return 0;
 734 }
 735
 736 static void probe_driver(struct connman_element *element, gpointer user_data)
 737 {
 738         struct connman_device_driver *driver = user_data;
 739
 740         DBG("element %p name %s", element, element->name);
 741
 742         if (element->device == NULL)
 743                 return;
 744
 745         if (element->device->driver != NULL)
 746                 return;
 747
 748         if (driver->type != element->device->type)
 749                 return;
 750
 751         if (driver->probe(element->device) < 0)
 752                 return;
 753
 754         element->device->driver = driver;
 755
 756         setup_device(element->device);
 757 }
 758
 759 static void remove_device(struct connman_device *device)
 760 {
 761         DBG("device %p", device);
 762
 763         device_disable(device);
 764
 765         switch (device->mode) {
 766         case CONNMAN_DEVICE_MODE_UNKNOWN:
 767         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 768         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 769                 break;
 770         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 771                 __connman_profile_remove_device(device);
 772                 break;
 773         }
 774
 775         unregister_interface(&device->element);
 776
 777         if (device->driver->remove)
 778                 device->driver->remove(device);
 779
 780         device->driver = NULL;
 781 }
 782
 783 static void remove_driver(struct connman_element *element, gpointer user_data)
 784 {
 785         struct connman_device_driver *driver = user_data;
 786
 787         DBG("element %p name %s", element, element->name);
 788
 789         if (element->device == NULL)
 790                 return;
 791
 792         if (element->device->driver == driver)
 793                 remove_device(element->device);
 794 }
 795
 796 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 797 {
 798         if (device == NULL || device->driver == NULL)
 799                 return FALSE;
 800
 801         return device->registered;
 802 }
 803
 804 static GSList *driver_list = NULL;
 805
 806 static gint compare_priority(gconstpointer a, gconstpointer b)
 807 {
 808         const struct connman_device_driver *driver1 = a;
 809         const struct connman_device_driver *driver2 = b;
 810
 811         return driver2->priority - driver1->priority;
 812 }
 813
 814 /**
 815  * connman_device_driver_register:
 816  * @driver: device driver definition
 817  *
 818  * Register a new device driver
 819  *
 820  * Returns: %0 on success
 821  */
 822 int connman_device_driver_register(struct connman_device_driver *driver)
 823 {
 824         DBG("driver %p name %s", driver, driver->name);
 825
 826         driver_list = g_slist_insert_sorted(driver_list, driver,
 827                                                         compare_priority);
 828
 829         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 830                                                 probe_driver, driver);
 831
 832         return 0;
 833 }
 834
 835 /**
 836  * connman_device_driver_unregister:
 837  * @driver: device driver definition
 838  *
 839  * Remove a previously registered device driver
 840  */
 841 void connman_device_driver_unregister(struct connman_device_driver *driver)
 842 {
 843         DBG("driver %p name %s", driver, driver->name);
 844
 845         driver_list = g_slist_remove(driver_list, driver);
 846
 847         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 848                                                 remove_driver, driver);
 849 }
 850
 851 static void unregister_network(gpointer data)
 852 {
 853         struct connman_network *network = data;
 854
 855         DBG("network %p", network);
 856
 857         connman_element_unregister((struct connman_element *) network);
 858
 859         connman_network_unref(network);
 860 }
 861
 862 static void device_destruct(struct connman_element *element)
 863 {
 864         struct connman_device *device = element->device;
 865
 866         DBG("element %p name %s", element, element->name);
 867
 868         g_free(device->node);
 869         g_free(device->name);
 870         g_free(device->address);
 871         g_free(device->interface);
 872
 873         g_free(device->last_network);
 874
 875         g_hash_table_destroy(device->networks);
 876         device->networks = NULL;
 877 }
 878
 879 /**
 880  * connman_device_create:
 881  * @node: device node name (for example an address)
 882  * @type: device type
 883  *
 884  * Allocate a new device of given #type and assign the #node name to it.
 885  *
 886  * Returns: a newly-allocated #connman_device structure
 887  */
 888 struct connman_device *connman_device_create(const char *node,
 889                                                 enum connman_device_type type)
 890 {
 891         struct connman_device *device;
 892         const char *str;
 893
 894         DBG("node %s type %d", node, type);
 895
 896         device = g_try_new0(struct connman_device, 1);
 897         if (device == NULL)
 898                 return NULL;
 899
 900         DBG("device %p", device);
 901
 902         __connman_element_initialize(&device->element);
 903
 904         device->element.name = g_strdup(node);
 905         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 906
 907         device->element.device = device;
 908         device->element.destruct = device_destruct;
 909
 910         str = type2string(type);
 911         if (str != NULL)
 912                 connman_element_set_string(&device->element,
 913                                         CONNMAN_PROPERTY_ID_TYPE, str);
 914
 915         device->element.ipv4.method = CONNMAN_IPV4_METHOD_DHCP;
 916
 917         device->type   = type;
 918         device->mode   = CONNMAN_DEVICE_MODE_UNKNOWN;
 919         device->policy = CONNMAN_DEVICE_POLICY_AUTO;
 920
 921         switch (type) {
 922         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 923         case CONNMAN_DEVICE_TYPE_VENDOR:
 924                 device->priority = 0;
 925                 device->scan_interval = 0;
 926                 break;
 927         case CONNMAN_DEVICE_TYPE_ETHERNET:
 928         case CONNMAN_DEVICE_TYPE_WIFI:
 929                 device->priority = 100;
 930                 device->scan_interval = 300;
 931                 break;
 932         case CONNMAN_DEVICE_TYPE_WIMAX:
 933                 device->priority = 20;
 934                 device->scan_interval = 0;
 935                 break;
 936         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 937                 device->priority = 50;
 938                 device->scan_interval = 0;
 939                 break;
 940         case CONNMAN_DEVICE_TYPE_GPS:
 941                 device->priority = 0;
 942                 device->scan_interval = 0;
 943                 break;
 944         case CONNMAN_DEVICE_TYPE_HSO:
 945         case CONNMAN_DEVICE_TYPE_NOZOMI:
 946         case CONNMAN_DEVICE_TYPE_HUAWEI:
 947         case CONNMAN_DEVICE_TYPE_NOVATEL:
 948                 device->priority = 60;
 949                 device->scan_interval = 0;
 950                 break;
 951         }
 952
 953         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 954                                                 g_free, unregister_network);
 955
 956         return device;
 957 }
 958
 959 /**
 960  * connman_device_ref:
 961  * @device: device structure
 962  *
 963  * Increase reference counter of device
 964  */
 965 struct connman_device *connman_device_ref(struct connman_device *device)
 966 {
 967         if (connman_element_ref(&device->element) == NULL)
 968                 return NULL;
 969
 970         return device;
 971 }
 972
 973 /**
 974  * connman_device_unref:
 975  * @device: device structure
 976  *
 977  * Decrease reference counter of device
 978  */
 979 void connman_device_unref(struct connman_device *device)
 980 {
 981         connman_element_unref(&device->element);
 982 }
 983
 984 /**
 985  * connman_device_get_name:
 986  * @device: device structure
 987  *
 988  * Get unique name of device
 989  */
 990 const char *connman_device_get_name(struct connman_device *device)
 991 {
 992         return device->element.name;
 993 }
 994
 995 /**
 996  * connman_device_get_path:
 997  * @device: device structure
 998  *
 999  * Get path name of device
1000  */
1001 const char *connman_device_get_path(struct connman_device *device)
1002 {
1003         return device->element.path;
1004 }
1005
1006 /**
1007  * connman_device_set_index:
1008  * @device: device structure
1009  * @index: index number
1010  *
1011  * Set index number of device
1012  */
1013 void connman_device_set_index(struct connman_device *device, int index)
1014 {
1015         device->element.index = index;
1016 }
1017
1018 /**
1019  * connman_device_get_index:
1020  * @device: device structure
1021  *
1022  * Get index number of device
1023  */
1024 int connman_device_get_index(struct connman_device *device)
1025 {
1026         return device->element.index;
1027 }
1028
1029 /**
1030  * connman_device_set_interface:
1031  * @device: device structure
1032  * @interface: interface name
1033  *
1034  * Set interface name of device
1035  */
1036 void connman_device_set_interface(struct connman_device *device,
1037                                                         const char *interface)
1038 {
1039         g_free(device->element.devname);
1040         device->element.devname = g_strdup(interface);
1041
1042         g_free(device->interface);
1043         device->interface = g_strdup(interface);
1044 }
1045
1046 /**
1047  * connman_device_get_interface:
1048  * @device: device structure
1049  *
1050  * Get interface name of device
1051  */
1052 const char *connman_device_get_interface(struct connman_device *device)
1053 {
1054         return device->interface;
1055 }
1056
1057 /**
1058  * connman_device_set_policy:
1059  * @device: device structure
1060  * @policy: power and connection policy
1061  *
1062  * Change power and connection policy of device
1063  */
1064 void connman_device_set_policy(struct connman_device *device,
1065                                         enum connman_device_policy policy)
1066 {
1067         device->policy = policy;
1068 }
1069
1070 /**
1071  * connman_device_set_mode:
1072  * @device: device structure
1073  * @mode: network mode
1074  *
1075  * Change network mode of device
1076  */
1077 void connman_device_set_mode(struct connman_device *device,
1078                                                 enum connman_device_mode mode)
1079 {
1080         device->mode = mode;
1081 }
1082
1083 /**
1084  * connman_device_get_mode:
1085  * @device: device structure
1086  *
1087  * Get network mode of device
1088  */
1089 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1090 {
1091         return device->mode;
1092 }
1093
1094 /**
1095  * connman_device_set_powered:
1096  * @device: device structure
1097  * @powered: powered state
1098  *
1099  * Change power state of device
1100  */
1101 int connman_device_set_powered(struct connman_device *device,
1102                                                 connman_bool_t powered)
1103 {
1104         DBusMessage *signal;
1105         DBusMessageIter entry, value;
1106         const char *key = "Powered";
1107
1108         DBG("driver %p powered %d", device, powered);
1109
1110         if (device->powered == powered)
1111                 return -EALREADY;
1112
1113         device->powered = powered;
1114
1115         if (device->registered == FALSE)
1116                 return 0;
1117
1118         signal = dbus_message_new_signal(device->element.path,
1119                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1120         if (signal == NULL)
1121                 return 0;
1122
1123         dbus_message_iter_init_append(signal, &entry);
1124
1125         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1126
1127         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1128                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1129         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &powered);
1130         dbus_message_iter_close_container(&entry, &value);
1131
1132         g_dbus_send_message(connection, signal);
1133
1134         if (powered == FALSE)
1135                 return 0;
1136
1137         if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
1138                 return 0;
1139
1140         if (device->scan_timeout > 0) {
1141                 g_source_remove(device->scan_timeout);
1142                 device->scan_timeout = 0;
1143         }
1144
1145         if (device->scan_interval > 0) {
1146                 guint interval = device->scan_interval;
1147                 device->scan_timeout = g_timeout_add_seconds(interval,
1148                                         device_scan_trigger, device);
1149         }
1150
1151         if (device->driver->scan)
1152                 device->driver->scan(device);
1153
1154         return 0;
1155 }
1156
1157 /**
1158  * connman_device_set_carrier:
1159  * @device: device structure
1160  * @carrier: carrier state
1161  *
1162  * Change carrier state of device (only for device without scanning)
1163  */
1164 int connman_device_set_carrier(struct connman_device *device,
1165                                                 connman_bool_t carrier)
1166 {
1167         DBG("driver %p carrier %d", device, carrier);
1168
1169         switch (device->mode) {
1170         case CONNMAN_DEVICE_MODE_UNKNOWN:
1171         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1172         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1173                 return -EINVAL;
1174         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1175                 break;
1176         }
1177
1178         if (device->carrier == carrier)
1179                 return -EALREADY;
1180
1181         device->carrier = carrier;
1182
1183         if (carrier == TRUE) {
1184                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
1185                 struct connman_element *element;
1186
1187                 switch (device->element.ipv4.method) {
1188                 case CONNMAN_IPV4_METHOD_UNKNOWN:
1189                 case CONNMAN_IPV4_METHOD_OFF:
1190                         return 0;
1191                 case CONNMAN_IPV4_METHOD_STATIC:
1192                         type = CONNMAN_ELEMENT_TYPE_IPV4;
1193                         break;
1194                 case CONNMAN_IPV4_METHOD_DHCP:
1195                         type = CONNMAN_ELEMENT_TYPE_DHCP;
1196                         break;
1197                 }
1198
1199                 element = connman_element_create(NULL);
1200                 if (element != NULL) {
1201                         element->type  = type;
1202                         element->index = device->element.index;
1203
1204                         if (connman_element_register(element,
1205                                                         &device->element) < 0)
1206                                 connman_element_unref(element);
1207                 }
1208         } else
1209                 connman_element_unregister_children(&device->element);
1210
1211         return 0;
1212 }
1213
1214 void __connman_device_disconnect(struct connman_device *device)
1215 {
1216         GHashTableIter iter;
1217         gpointer key, value;
1218
1219         DBG("device %p", device);
1220
1221         connman_device_set_disconnected(device, TRUE);
1222
1223         g_hash_table_iter_init(&iter, device->networks);
1224
1225         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1226                 struct connman_network *network = value;
1227
1228                 if (connman_network_get_connected(network) == TRUE)
1229                         __connman_network_disconnect(network);
1230         }
1231 }
1232
1233 static void connect_known_network(struct connman_device *device)
1234 {
1235         struct connman_network *network = NULL;
1236         GHashTableIter iter;
1237         gpointer key, value;
1238         unsigned int count = 0;
1239
1240         DBG("device %p", device);
1241
1242         g_hash_table_iter_init(&iter, device->networks);
1243
1244         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1245                 connman_uint8_t old_priority, new_priority;
1246                 connman_uint8_t old_strength, new_strength;
1247                 const char *name;
1248
1249                 count++;
1250
1251                 if (connman_network_get_available(value) == FALSE)
1252                         continue;
1253
1254                 name = connman_network_get_string(value,
1255                                                 CONNMAN_PROPERTY_ID_NAME);
1256                 if (name != NULL && device->last_network != NULL) {
1257                         if (g_str_equal(name, device->last_network) == TRUE) {
1258                                 network = value;
1259                                 break;
1260                         }
1261                 }
1262
1263                 if (connman_network_get_remember(value) == FALSE)
1264                         continue;
1265
1266                 if (network == NULL) {
1267                         network = value;
1268                         continue;
1269                 }
1270
1271                 old_priority = connman_network_get_uint8(network,
1272                                                 CONNMAN_PROPERTY_ID_PRIORITY);
1273                 new_priority = connman_network_get_uint8(value,
1274                                                 CONNMAN_PROPERTY_ID_PRIORITY);
1275
1276                 if (new_priority != old_priority) {
1277                         if (new_priority > old_priority)
1278                                 network = value;
1279                         continue;
1280                 }
1281
1282                 old_strength = connman_network_get_uint8(network,
1283                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1284                 new_strength = connman_network_get_uint8(value,
1285                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1286
1287                 if (new_strength > old_strength)
1288                         network = value;
1289         }
1290
1291         if (network != NULL) {
1292                 int err;
1293
1294                 err = connman_network_connect(network);
1295                 if (err == 0 || err == -EINPROGRESS)
1296                         return;
1297         }
1298
1299         if (count > 0)
1300                 return;
1301
1302         if (device->driver && device->driver->scan)
1303                 device->driver->scan(device);
1304 }
1305
1306 static void mark_network_unavailable(gpointer key, gpointer value,
1307                                                         gpointer user_data)
1308 {
1309         struct connman_network *network = value;
1310
1311         if (connman_network_get_connected(network) == TRUE)
1312                 return;
1313
1314         connman_network_set_available(network, FALSE);
1315 }
1316
1317 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1318                                                         gpointer user_data)
1319 {
1320         struct connman_network *network = value;
1321
1322         if (connman_network_get_connected(network) == TRUE)
1323                 return FALSE;
1324
1325         if (connman_network_get_remember(network) == TRUE)
1326                 return FALSE;
1327
1328         if (connman_network_get_available(network) == TRUE)
1329                 return FALSE;
1330
1331         return TRUE;
1332 }
1333
1334 /**
1335  * connman_device_set_scanning:
1336  * @device: device structure
1337  * @scanning: scanning state
1338  *
1339  * Change scanning state of device
1340  */
1341 int connman_device_set_scanning(struct connman_device *device,
1342                                                 connman_bool_t scanning)
1343 {
1344         DBusMessage *signal;
1345         DBusMessageIter entry, value;
1346         const char *key = "Scanning";
1347
1348         DBG("driver %p scanning %d", device, scanning);
1349
1350         if (!device->driver || !device->driver->scan)
1351                 return -EINVAL;
1352
1353         if (device->scanning == scanning)
1354                 return -EALREADY;
1355
1356         device->scanning = scanning;
1357
1358         signal = dbus_message_new_signal(device->element.path,
1359                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1360         if (signal == NULL)
1361                 return 0;
1362
1363         dbus_message_iter_init_append(signal, &entry);
1364
1365         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1366
1367         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1368                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1369         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
1370         dbus_message_iter_close_container(&entry, &value);
1371
1372         g_dbus_send_message(connection, signal);
1373
1374         if (scanning == TRUE) {
1375                 if (device->scan_timeout > 0) {
1376                         g_source_remove(device->scan_timeout);
1377                         device->scan_timeout = 0;
1378                 }
1379
1380                 if (device->scan_interval > 0) {
1381                         guint interval = device->scan_interval;
1382                         device->scan_timeout = g_timeout_add_seconds(interval,
1383                                                 device_scan_trigger, device);
1384                 }
1385
1386                 g_hash_table_foreach(device->networks,
1387                                         mark_network_unavailable, NULL);
1388                 return 0;
1389         }
1390
1391         g_hash_table_foreach_remove(device->networks,
1392                                         remove_unavailable_network, NULL);
1393
1394         if (device->connections > 0)
1395                 return 0;
1396
1397         if (device->disconnected == TRUE)
1398                 return 0;
1399
1400         if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
1401                 return 0;
1402
1403         connect_known_network(device);
1404
1405         return 0;
1406 }
1407
1408 /**
1409  * connman_device_set_disconnected:
1410  * @device: device structure
1411  * @disconnected: disconnected state
1412  *
1413  * Change disconnected state of device (only for device with networks)
1414  */
1415 int connman_device_set_disconnected(struct connman_device *device,
1416                                                 connman_bool_t disconnected)
1417 {
1418         DBG("driver %p disconnected %d", device, disconnected);
1419
1420         switch (device->mode) {
1421         case CONNMAN_DEVICE_MODE_UNKNOWN:
1422         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1423                 return -EINVAL;
1424         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1425         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1426                 break;
1427         }
1428
1429         if (device->disconnected == disconnected)
1430                 return -EALREADY;
1431
1432         device->disconnected = disconnected;
1433
1434         return 0;
1435 }
1436
1437 /**
1438  * connman_device_set_string:
1439  * @device: device structure
1440  * @key: unique identifier
1441  * @value: string value
1442  *
1443  * Set string value for specific key
1444  */
1445 int connman_device_set_string(struct connman_device *device,
1446                                         const char *key, const char *value)
1447 {
1448         DBG("device %p key %s value %s", device, key, value);
1449
1450         if (g_str_equal(key, "Address") == TRUE) {
1451                 g_free(device->address);
1452                 device->address = g_strdup(value);
1453         } else if (g_str_equal(key, "Name") == TRUE) {
1454                 g_free(device->name);
1455                 device->name = g_strdup(value);
1456         } else if (g_str_equal(key, "Node") == TRUE) {
1457                 g_free(device->node);
1458                 device->node = g_strdup(value);
1459         }
1460
1461         return connman_element_set_string(&device->element, key, value);
1462 }
1463
1464 /**
1465  * connman_device_get_string:
1466  * @device: device structure
1467  * @key: unique identifier
1468  *
1469  * Get string value for specific key
1470  */
1471 const char *connman_device_get_string(struct connman_device *device,
1472                                                         const char *key)
1473 {
1474         DBG("device %p key %s", device, key);
1475
1476         if (g_str_equal(key, "Address") == TRUE)
1477                 return device->address;
1478         else if (g_str_equal(key, "Name") == TRUE)
1479                 return device->name;
1480         else if (g_str_equal(key, "Node") == TRUE)
1481                 return device->node;
1482
1483         return connman_element_get_string(&device->element, key);
1484 }
1485
1486 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1487 {
1488         struct connman_device *device = element->device;
1489         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1490         connman_bool_t powered;
1491
1492         DBG("element %p name %s", element, element->name);
1493
1494         if (device == NULL)
1495                 return;
1496
1497         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1498
1499         if (device->powered == powered)
1500                 return;
1501
1502         set_powered(device, powered);
1503 }
1504
1505 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1506 {
1507         DBG("offlinmode %d", offlinemode);
1508
1509         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1510                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1511
1512         __connman_notifier_offline_mode(offlinemode);
1513
1514         return 0;
1515 }
1516
1517 void __connman_device_increase_connections(struct connman_device *device)
1518 {
1519         device->connections++;
1520 }
1521
1522 void __connman_device_decrease_connections(struct connman_device *device)
1523 {
1524         device->connections--;
1525 }
1526
1527 /**
1528  * connman_device_add_network:
1529  * @device: device structure
1530  * @network: network structure
1531  *
1532  * Add new network to the device
1533  */
1534 int connman_device_add_network(struct connman_device *device,
1535                                         struct connman_network *network)
1536 {
1537         const char *identifier = connman_network_get_identifier(network);
1538         int err;
1539
1540         DBG("device %p network %p", device, network);
1541
1542         switch (device->mode) {
1543         case CONNMAN_DEVICE_MODE_UNKNOWN:
1544         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1545                 return -EINVAL;
1546         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1547         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1548                 break;
1549         }
1550
1551         __connman_network_set_device(network, device);
1552
1553         __connman_storage_load_network(network);
1554
1555         err = connman_element_register((struct connman_element *) network,
1556                                                         &device->element);
1557         if (err < 0) {
1558                 __connman_network_set_device(network, NULL);
1559                 return err;
1560         }
1561
1562         g_hash_table_insert(device->networks, g_strdup(identifier),
1563                                                                 network);
1564
1565         return 0;
1566 }
1567
1568 /**
1569  * connman_device_get_network:
1570  * @device: device structure
1571  * @identifier: network identifier
1572  *
1573  * Get network for given identifier
1574  */
1575 struct connman_network *connman_device_get_network(struct connman_device *device,
1576                                                         const char *identifier)
1577 {
1578         DBG("device %p identifier %s", device, identifier);
1579
1580         return g_hash_table_lookup(device->networks, identifier);
1581 }
1582
1583 /**
1584  * connman_device_remove_network:
1585  * @device: device structure
1586  * @identifier: network identifier
1587  *
1588  * Remove network for given identifier
1589  */
1590 int connman_device_remove_network(struct connman_device *device,
1591                                                         const char *identifier)
1592 {
1593         DBG("device %p identifier %s", device, identifier);
1594
1595         g_hash_table_remove(device->networks, identifier);
1596
1597         return 0;
1598 }
1599
1600 void __connman_device_set_network(struct connman_device *device,
1601                                         struct connman_network *network)
1602 {
1603         const char *name;
1604
1605         if (network != NULL) {
1606                 name = connman_network_get_string(network,
1607                                                 CONNMAN_PROPERTY_ID_NAME);
1608                 device->last_network = g_strdup(name);
1609         }
1610
1611         device->network = network;
1612 }
1613
1614 /**
1615  * connman_device_register:
1616  * @device: device structure
1617  *
1618  * Register device with the system
1619  */
1620 int connman_device_register(struct connman_device *device)
1621 {
1622         __connman_storage_load_device(device);
1623
1624         switch (device->mode) {
1625         case CONNMAN_DEVICE_MODE_UNKNOWN:
1626         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1627                 break;
1628         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1629         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1630                 __connman_storage_init_network(device);
1631                 break;
1632         }
1633
1634         return connman_element_register(&device->element, NULL);
1635 }
1636
1637 /**
1638  * connman_device_unregister:
1639  * @device: device structure
1640  *
1641  * Unregister device with the system
1642  */
1643 void connman_device_unregister(struct connman_device *device)
1644 {
1645         __connman_storage_save_device(device);
1646
1647         connman_element_unregister(&device->element);
1648 }
1649
1650 /**
1651  * connman_device_get_data:
1652  * @device: device structure
1653  *
1654  * Get private device data pointer
1655  */
1656 void *connman_device_get_data(struct connman_device *device)
1657 {
1658         return device->driver_data;
1659 }
1660
1661 /**
1662  * connman_device_set_data:
1663  * @device: device structure
1664  * @data: data pointer
1665  *
1666  * Set private device data pointer
1667  */
1668 void connman_device_set_data(struct connman_device *device, void *data)
1669 {
1670         device->driver_data = data;
1671 }
1672
1673 static gboolean match_driver(struct connman_device *device,
1674                                         struct connman_device_driver *driver)
1675 {
1676         if (device->type == driver->type ||
1677                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1678                 return TRUE;
1679
1680         return FALSE;
1681 }
1682
1683 static int device_probe(struct connman_element *element)
1684 {
1685         struct connman_device *device = element->device;
1686         GSList *list;
1687
1688         DBG("element %p name %s", element, element->name);
1689
1690         if (device == NULL)
1691                 return -ENODEV;
1692
1693         if (device->driver != NULL)
1694                 return -EALREADY;
1695
1696         for (list = driver_list; list; list = list->next) {
1697                 struct connman_device_driver *driver = list->data;
1698
1699                 if (match_driver(device, driver) == FALSE)
1700                         continue;
1701
1702                 DBG("driver %p name %s", driver, driver->name);
1703
1704                 if (driver->probe(device) == 0) {
1705                         device->driver = driver;
1706                         break;
1707                 }
1708         }
1709
1710         if (device->driver == NULL)
1711                 return -ENODEV;
1712
1713         return setup_device(device);
1714 }
1715
1716 static void device_remove(struct connman_element *element)
1717 {
1718         struct connman_device *device = element->device;
1719
1720         DBG("element %p name %s", element, element->name);
1721
1722         if (device == NULL)
1723                 return;
1724
1725         if (device->driver == NULL)
1726                 return;
1727
1728         remove_device(device);
1729 }
1730
1731 static struct connman_driver device_driver = {
1732         .name           = "device",
1733         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1734         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1735         .probe          = device_probe,
1736         .remove         = device_remove,
1737 };
1738
1739 static int device_load(struct connman_device *device)
1740 {
1741         GKeyFile *keyfile;
1742         gchar *pathname, *data = NULL;
1743         gsize length;
1744         char *str;
1745         int val;
1746
1747         DBG("device %p", device);
1748
1749         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1750                                                         device->element.name);
1751         if (pathname == NULL)
1752                 return -ENOMEM;
1753
1754         keyfile = g_key_file_new();
1755
1756         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1757                 g_free(pathname);
1758                 return -ENOENT;
1759         }
1760
1761         g_free(pathname);
1762
1763         if (g_key_file_load_from_data(keyfile, data, length,
1764                                                         0, NULL) == FALSE) {
1765                 g_free(data);
1766                 return -EILSEQ;
1767         }
1768
1769         g_free(data);
1770
1771         str = g_key_file_get_string(keyfile, "Configuration", "Policy", NULL);
1772         if (str != NULL) {
1773                 device->policy = string2policy(str);
1774                 g_free(str);
1775         }
1776
1777         val = g_key_file_get_integer(keyfile, "Configuration",
1778                                                         "Priority", NULL);
1779         if (val > 0)
1780                 device->priority = val;
1781
1782         switch (device->mode) {
1783         case CONNMAN_DEVICE_MODE_UNKNOWN:
1784         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1785                 break;
1786         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1787         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1788                 val = g_key_file_get_integer(keyfile, "Configuration",
1789                                                         "ScanInterval", NULL);
1790                 if (val > 0)
1791                         device->scan_interval = val;
1792                 break;
1793         }
1794
1795 #if 0
1796         str = g_key_file_get_string(keyfile, "Configuration",
1797                                                         "LastNetwork", NULL);
1798         if (str != NULL)
1799                 device->last_network = str;
1800 #endif
1801
1802         g_key_file_free(keyfile);
1803
1804         return 0;
1805 }
1806
1807 static int device_save(struct connman_device *device)
1808 {
1809         GKeyFile *keyfile;
1810         gchar *pathname, *data = NULL;
1811         gsize length;
1812         const char *str;
1813
1814         DBG("device %p", device);
1815
1816         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1817                                                         device->element.name);
1818         if (pathname == NULL)
1819                 return -ENOMEM;
1820
1821         keyfile = g_key_file_new();
1822
1823         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1824                 goto update;
1825
1826         if (length > 0) {
1827                 if (g_key_file_load_from_data(keyfile, data, length,
1828                                                         0, NULL) == FALSE)
1829                         goto done;
1830         }
1831
1832         g_free(data);
1833
1834 update:
1835         str = policy2string(device->policy);
1836         if (str != NULL)
1837                 g_key_file_set_string(keyfile, "Configuration", "Policy", str);
1838
1839         if (device->priority > 0)
1840                 g_key_file_set_integer(keyfile, "Configuration",
1841                                                 "Priority", device->priority);
1842
1843         switch (device->mode) {
1844         case CONNMAN_DEVICE_MODE_UNKNOWN:
1845         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1846                 break;
1847         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1848         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1849                 if (device->scan_interval > 0)
1850                         g_key_file_set_integer(keyfile, "Configuration",
1851                                         "ScanInterval", device->scan_interval);
1852                 break;
1853         }
1854
1855         if (device->last_network != NULL)
1856                 g_key_file_set_string(keyfile, "Configuration",
1857                                         "LastNetwork", device->last_network);
1858
1859         data = g_key_file_to_data(keyfile, &length, NULL);
1860
1861         g_file_set_contents(pathname, data, length, NULL);
1862
1863 done:
1864         g_free(data);
1865
1866         g_key_file_free(keyfile);
1867
1868         g_free(pathname);
1869
1870         if (device->network != NULL)
1871                 __connman_storage_save_network(device->network);
1872
1873         return 0;
1874 }
1875
1876 static struct connman_storage device_storage = {
1877         .name           = "device",
1878         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1879         .device_load    = device_load,
1880         .device_save    = device_save,
1881 };
1882
1883 int __connman_device_init(void)
1884 {
1885         DBG("");
1886
1887         connection = connman_dbus_get_connection();
1888
1889         if (connman_storage_register(&device_storage) < 0)
1890                 connman_error("Failed to register device storage");
1891
1892         return connman_driver_register(&device_driver);
1893 }
1894
1895 void __connman_device_cleanup(void)
1896 {
1897         DBG("");
1898
1899         connman_driver_unregister(&device_driver);
1900
1901         connman_storage_unregister(&device_storage);
1902
1903         dbus_connection_unref(connection);
1904 }