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         DBG("conn %p", conn);
 477
 478         if (__connman_security_check_privilege(msg,
 479                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 480                 return __connman_error_permission_denied(msg);
 481
 482         return __connman_error_invalid_arguments(msg);
 483 }
 484
 485 static DBusMessage *create_network(DBusConnection *conn,
 486                                         DBusMessage *msg, void *data)
 487 {
 488         DBG("conn %p", conn);
 489
 490         if (__connman_security_check_privilege(msg,
 491                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 492                 return __connman_error_permission_denied(msg);
 493
 494         return __connman_error_invalid_arguments(msg);
 495 }
 496
 497 static DBusMessage *remove_network(DBusConnection *conn,
 498                                         DBusMessage *msg, void *data)
 499 {
 500         DBG("conn %p", conn);
 501
 502         if (__connman_security_check_privilege(msg,
 503                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 504                 return __connman_error_permission_denied(msg);
 505
 506         return __connman_error_invalid_arguments(msg);
 507 }
 508
 509 static DBusMessage *propose_scan(DBusConnection *conn,
 510                                         DBusMessage *msg, void *data)
 511 {
 512         struct connman_device *device = data;
 513         int err;
 514
 515         DBG("conn %p", conn);
 516
 517         switch (device->mode) {
 518         case CONNMAN_DEVICE_MODE_UNKNOWN:
 519         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 520                 return __connman_error_not_supported(msg);
 521         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 522         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 523                 break;
 524         }
 525
 526         if (!device->driver || !device->driver->scan)
 527                 return __connman_error_not_supported(msg);
 528
 529         if (device->powered == FALSE)
 530                 return __connman_error_failed(msg);
 531
 532         err = device->driver->scan(device);
 533         if (err < 0)
 534                 return __connman_error_failed(msg);
 535
 536         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 537 }
 538
 539 static GDBusMethodTable device_methods[] = {
 540         { "GetProperties", "",      "a{sv}", get_properties },
 541         { "SetProperty",   "sv",    "",      set_property   },
 542         { "JoinNetwork",   "a{sv}", "",      join_network   },
 543         { "CreateNetwork", "a{sv}", "o",     create_network },
 544         { "RemoveNetwork", "o",     "",      remove_network },
 545         { "ProposeScan",   "",      "",      propose_scan   },
 546         { },
 547 };
 548
 549 static GDBusSignalTable device_signals[] = {
 550         { "PropertyChanged", "sv" },
 551         { },
 552 };
 553
 554 static DBusConnection *connection;
 555
 556 static void append_devices(DBusMessageIter *entry)
 557 {
 558         DBusMessageIter value, iter;
 559         const char *key = "Devices";
 560
 561         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 562
 563         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 564                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 565                                                                 &value);
 566
 567         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 568                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 569         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 570         dbus_message_iter_close_container(&value, &iter);
 571
 572         dbus_message_iter_close_container(entry, &value);
 573 }
 574
 575 static void emit_devices_signal(void)
 576 {
 577         DBusMessage *signal;
 578         DBusMessageIter entry;
 579
 580         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 581                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 582         if (signal == NULL)
 583                 return;
 584
 585         dbus_message_iter_init_append(signal, &entry);
 586
 587         append_devices(&entry);
 588
 589         g_dbus_send_message(connection, signal);
 590 }
 591
 592 static int register_interface(struct connman_element *element)
 593 {
 594         struct connman_device *device = element->device;
 595
 596         DBG("element %p name %s", element, element->name);
 597
 598         if (g_dbus_register_interface(connection, element->path,
 599                                         CONNMAN_DEVICE_INTERFACE,
 600                                         device_methods, device_signals,
 601                                         NULL, device, NULL) == FALSE) {
 602                 connman_error("Failed to register %s device", element->path);
 603                 return -EIO;
 604         }
 605
 606         device->registered = TRUE;
 607
 608         emit_devices_signal();
 609
 610         return 0;
 611 }
 612
 613 static void unregister_interface(struct connman_element *element)
 614 {
 615         struct connman_device *device = element->device;
 616
 617         DBG("element %p name %s", element, element->name);
 618
 619         device->registered = FALSE;
 620
 621         emit_devices_signal();
 622
 623         g_dbus_unregister_interface(connection, element->path,
 624                                                 CONNMAN_DEVICE_INTERFACE);
 625 }
 626
 627 static void device_enable(struct connman_device *device)
 628 {
 629         DBG("device %p", device);
 630
 631         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE ||
 632                                 device->policy == CONNMAN_DEVICE_POLICY_OFF)
 633                 return;
 634
 635         if (device->powered == TRUE)
 636                 return;
 637
 638         if (device->driver->enable) {
 639                 device->driver->enable(device);
 640                 __connman_notifier_device_type_increase(device->type);
 641         }
 642 }
 643
 644 static void device_disable(struct connman_device *device)
 645 {
 646         DBG("device %p", device);
 647
 648         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE)
 649                 return;
 650
 651         if (device->powered == FALSE)
 652                 return;
 653
 654         g_hash_table_remove_all(device->networks);
 655
 656         if (device->driver->disable) {
 657                 device->driver->disable(device);
 658                 __connman_notifier_device_type_decrease(device->type);
 659         }
 660 }
 661
 662 static int setup_device(struct connman_device *device)
 663 {
 664         int err;
 665
 666         DBG("device %p", device);
 667
 668         err = register_interface(&device->element);
 669         if (err < 0) {
 670                 if (device->driver->remove)
 671                         device->driver->remove(device);
 672                 device->driver = NULL;
 673                 return err;
 674         }
 675
 676         switch (device->mode) {
 677         case CONNMAN_DEVICE_MODE_UNKNOWN:
 678         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 679         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 680                 break;
 681         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 682                 __connman_profile_add_device(device);
 683                 break;
 684         }
 685
 686         device_enable(device);
 687
 688         return 0;
 689 }
 690
 691 static void probe_driver(struct connman_element *element, gpointer user_data)
 692 {
 693         struct connman_device_driver *driver = user_data;
 694
 695         DBG("element %p name %s", element, element->name);
 696
 697         if (element->device == NULL)
 698                 return;
 699
 700         if (element->device->driver != NULL)
 701                 return;
 702
 703         if (driver->type != element->device->type)
 704                 return;
 705
 706         if (driver->probe(element->device) < 0)
 707                 return;
 708
 709         element->device->driver = driver;
 710
 711         setup_device(element->device);
 712 }
 713
 714 static void remove_device(struct connman_device *device)
 715 {
 716         DBG("device %p", device);
 717
 718         device_disable(device);
 719
 720         switch (device->mode) {
 721         case CONNMAN_DEVICE_MODE_UNKNOWN:
 722         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 723         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 724                 break;
 725         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 726                 __connman_profile_remove_device(device);
 727                 break;
 728         }
 729
 730         unregister_interface(&device->element);
 731
 732         if (device->driver->remove)
 733                 device->driver->remove(device);
 734
 735         device->driver = NULL;
 736 }
 737
 738 static void remove_driver(struct connman_element *element, gpointer user_data)
 739 {
 740         struct connman_device_driver *driver = user_data;
 741
 742         DBG("element %p name %s", element, element->name);
 743
 744         if (element->device == NULL)
 745                 return;
 746
 747         if (element->device->driver == driver)
 748                 remove_device(element->device);
 749 }
 750
 751 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 752 {
 753         if (device == NULL || device->driver == NULL)
 754                 return FALSE;
 755
 756         return device->registered;
 757 }
 758
 759 static GSList *driver_list = NULL;
 760
 761 static gint compare_priority(gconstpointer a, gconstpointer b)
 762 {
 763         const struct connman_device_driver *driver1 = a;
 764         const struct connman_device_driver *driver2 = b;
 765
 766         return driver2->priority - driver1->priority;
 767 }
 768
 769 /**
 770  * connman_device_driver_register:
 771  * @driver: device driver definition
 772  *
 773  * Register a new device driver
 774  *
 775  * Returns: %0 on success
 776  */
 777 int connman_device_driver_register(struct connman_device_driver *driver)
 778 {
 779         DBG("driver %p name %s", driver, driver->name);
 780
 781         driver_list = g_slist_insert_sorted(driver_list, driver,
 782                                                         compare_priority);
 783
 784         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 785                                                 probe_driver, driver);
 786
 787         return 0;
 788 }
 789
 790 /**
 791  * connman_device_driver_unregister:
 792  * @driver: device driver definition
 793  *
 794  * Remove a previously registered device driver
 795  */
 796 void connman_device_driver_unregister(struct connman_device_driver *driver)
 797 {
 798         DBG("driver %p name %s", driver, driver->name);
 799
 800         driver_list = g_slist_remove(driver_list, driver);
 801
 802         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 803                                                 remove_driver, driver);
 804 }
 805
 806 static void unregister_network(gpointer data)
 807 {
 808         struct connman_network *network = data;
 809
 810         DBG("network %p", network);
 811
 812         connman_element_unregister((struct connman_element *) network);
 813
 814         connman_network_unref(network);
 815 }
 816
 817 static void device_destruct(struct connman_element *element)
 818 {
 819         struct connman_device *device = element->device;
 820
 821         DBG("element %p name %s", element, element->name);
 822
 823         g_free(device->node);
 824         g_free(device->name);
 825         g_free(device->address);
 826         g_free(device->interface);
 827
 828         g_free(device->last_network);
 829
 830         g_hash_table_destroy(device->networks);
 831         device->networks = NULL;
 832 }
 833
 834 /**
 835  * connman_device_create:
 836  * @node: device node name (for example an address)
 837  * @type: device type
 838  *
 839  * Allocate a new device of given #type and assign the #node name to it.
 840  *
 841  * Returns: a newly-allocated #connman_device structure
 842  */
 843 struct connman_device *connman_device_create(const char *node,
 844                                                 enum connman_device_type type)
 845 {
 846         struct connman_device *device;
 847         const char *str;
 848
 849         DBG("node %s type %d", node, type);
 850
 851         device = g_try_new0(struct connman_device, 1);
 852         if (device == NULL)
 853                 return NULL;
 854
 855         DBG("device %p", device);
 856
 857         __connman_element_initialize(&device->element);
 858
 859         device->element.name = g_strdup(node);
 860         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 861
 862         device->element.device = device;
 863         device->element.destruct = device_destruct;
 864
 865         str = type2string(type);
 866         if (str != NULL)
 867                 connman_element_set_string(&device->element,
 868                                         CONNMAN_PROPERTY_ID_TYPE, str);
 869
 870         device->element.ipv4.method = CONNMAN_IPV4_METHOD_DHCP;
 871
 872         device->type   = type;
 873         device->mode   = CONNMAN_DEVICE_MODE_UNKNOWN;
 874         device->policy = CONNMAN_DEVICE_POLICY_AUTO;
 875
 876         switch (type) {
 877         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 878         case CONNMAN_DEVICE_TYPE_VENDOR:
 879                 device->priority = 0;
 880                 device->scan_interval = 0;
 881                 break;
 882         case CONNMAN_DEVICE_TYPE_ETHERNET:
 883         case CONNMAN_DEVICE_TYPE_WIFI:
 884                 device->priority = 100;
 885                 device->scan_interval = 300;
 886                 break;
 887         case CONNMAN_DEVICE_TYPE_WIMAX:
 888                 device->priority = 20;
 889                 device->scan_interval = 0;
 890                 break;
 891         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 892                 device->priority = 50;
 893                 device->scan_interval = 0;
 894                 break;
 895         case CONNMAN_DEVICE_TYPE_GPS:
 896                 device->priority = 0;
 897                 device->scan_interval = 0;
 898                 break;
 899         case CONNMAN_DEVICE_TYPE_HSO:
 900         case CONNMAN_DEVICE_TYPE_NOZOMI:
 901         case CONNMAN_DEVICE_TYPE_HUAWEI:
 902         case CONNMAN_DEVICE_TYPE_NOVATEL:
 903                 device->priority = 60;
 904                 device->scan_interval = 0;
 905                 break;
 906         }
 907
 908         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 909                                                 g_free, unregister_network);
 910
 911         return device;
 912 }
 913
 914 /**
 915  * connman_device_ref:
 916  * @device: device structure
 917  *
 918  * Increase reference counter of device
 919  */
 920 struct connman_device *connman_device_ref(struct connman_device *device)
 921 {
 922         if (connman_element_ref(&device->element) == NULL)
 923                 return NULL;
 924
 925         return device;
 926 }
 927
 928 /**
 929  * connman_device_unref:
 930  * @device: device structure
 931  *
 932  * Decrease reference counter of device
 933  */
 934 void connman_device_unref(struct connman_device *device)
 935 {
 936         connman_element_unref(&device->element);
 937 }
 938
 939 /**
 940  * connman_device_get_name:
 941  * @device: device structure
 942  *
 943  * Get unique name of device
 944  */
 945 const char *connman_device_get_name(struct connman_device *device)
 946 {
 947         return device->element.name;
 948 }
 949
 950 /**
 951  * connman_device_get_path:
 952  * @device: device structure
 953  *
 954  * Get path name of device
 955  */
 956 const char *connman_device_get_path(struct connman_device *device)
 957 {
 958         return device->element.path;
 959 }
 960
 961 /**
 962  * connman_device_set_index:
 963  * @device: device structure
 964  * @index: index number
 965  *
 966  * Set index number of device
 967  */
 968 void connman_device_set_index(struct connman_device *device, int index)
 969 {
 970         device->element.index = index;
 971 }
 972
 973 /**
 974  * connman_device_get_index:
 975  * @device: device structure
 976  *
 977  * Get index number of device
 978  */
 979 int connman_device_get_index(struct connman_device *device)
 980 {
 981         return device->element.index;
 982 }
 983
 984 /**
 985  * connman_device_set_interface:
 986  * @device: device structure
 987  * @interface: interface name
 988  *
 989  * Set interface name of device
 990  */
 991 void connman_device_set_interface(struct connman_device *device,
 992                                                         const char *interface)
 993 {
 994         g_free(device->element.devname);
 995         device->element.devname = g_strdup(interface);
 996
 997         g_free(device->interface);
 998         device->interface = g_strdup(interface);
 999 }
1000
1001 /**
1002  * connman_device_get_interface:
1003  * @device: device structure
1004  *
1005  * Get interface name of device
1006  */
1007 const char *connman_device_get_interface(struct connman_device *device)
1008 {
1009         return device->interface;
1010 }
1011
1012 /**
1013  * connman_device_set_policy:
1014  * @device: device structure
1015  * @policy: power and connection policy
1016  *
1017  * Change power and connection policy of device
1018  */
1019 void connman_device_set_policy(struct connman_device *device,
1020                                         enum connman_device_policy policy)
1021 {
1022         device->policy = policy;
1023 }
1024
1025 /**
1026  * connman_device_set_mode:
1027  * @device: device structure
1028  * @mode: network mode
1029  *
1030  * Change network mode of device
1031  */
1032 void connman_device_set_mode(struct connman_device *device,
1033                                                 enum connman_device_mode mode)
1034 {
1035         device->mode = mode;
1036 }
1037
1038 /**
1039  * connman_device_get_mode:
1040  * @device: device structure
1041  *
1042  * Get network mode of device
1043  */
1044 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1045 {
1046         return device->mode;
1047 }
1048
1049 /**
1050  * connman_device_set_powered:
1051  * @device: device structure
1052  * @powered: powered state
1053  *
1054  * Change power state of device
1055  */
1056 int connman_device_set_powered(struct connman_device *device,
1057                                                 connman_bool_t powered)
1058 {
1059         DBusMessage *signal;
1060         DBusMessageIter entry, value;
1061         const char *key = "Powered";
1062
1063         DBG("driver %p powered %d", device, powered);
1064
1065         if (device->powered == powered)
1066                 return -EALREADY;
1067
1068         device->powered = powered;
1069
1070         if (device->registered == FALSE)
1071                 return 0;
1072
1073         signal = dbus_message_new_signal(device->element.path,
1074                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1075         if (signal == NULL)
1076                 return 0;
1077
1078         dbus_message_iter_init_append(signal, &entry);
1079
1080         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1081
1082         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1083                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1084         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &powered);
1085         dbus_message_iter_close_container(&entry, &value);
1086
1087         g_dbus_send_message(connection, signal);
1088
1089         if (powered == FALSE)
1090                 return 0;
1091
1092         if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
1093                 return 0;
1094
1095         if (device->scan_timeout > 0) {
1096                 g_source_remove(device->scan_timeout);
1097                 device->scan_timeout = 0;
1098         }
1099
1100         if (device->scan_interval > 0) {
1101                 guint interval = device->scan_interval;
1102                 device->scan_timeout = g_timeout_add_seconds(interval,
1103                                         device_scan_trigger, device);
1104         }
1105
1106         if (device->driver->scan)
1107                 device->driver->scan(device);
1108
1109         return 0;
1110 }
1111
1112 /**
1113  * connman_device_set_carrier:
1114  * @device: device structure
1115  * @carrier: carrier state
1116  *
1117  * Change carrier state of device (only for device without scanning)
1118  */
1119 int connman_device_set_carrier(struct connman_device *device,
1120                                                 connman_bool_t carrier)
1121 {
1122         DBG("driver %p carrier %d", device, carrier);
1123
1124         switch (device->mode) {
1125         case CONNMAN_DEVICE_MODE_UNKNOWN:
1126         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1127         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1128                 return -EINVAL;
1129         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1130                 break;
1131         }
1132
1133         if (device->carrier == carrier)
1134                 return -EALREADY;
1135
1136         device->carrier = carrier;
1137
1138         if (carrier == TRUE) {
1139                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
1140                 struct connman_element *element;
1141
1142                 switch (device->element.ipv4.method) {
1143                 case CONNMAN_IPV4_METHOD_UNKNOWN:
1144                 case CONNMAN_IPV4_METHOD_OFF:
1145                         return 0;
1146                 case CONNMAN_IPV4_METHOD_STATIC:
1147                         type = CONNMAN_ELEMENT_TYPE_IPV4;
1148                         break;
1149                 case CONNMAN_IPV4_METHOD_DHCP:
1150                         type = CONNMAN_ELEMENT_TYPE_DHCP;
1151                         break;
1152                 }
1153
1154                 element = connman_element_create(NULL);
1155                 if (element != NULL) {
1156                         element->type  = type;
1157                         element->index = device->element.index;
1158
1159                         if (connman_element_register(element,
1160                                                         &device->element) < 0)
1161                                 connman_element_unref(element);
1162                 }
1163         } else
1164                 connman_element_unregister_children(&device->element);
1165
1166         return 0;
1167 }
1168
1169 void __connman_device_disconnect(struct connman_device *device)
1170 {
1171         GHashTableIter iter;
1172         gpointer key, value;
1173
1174         DBG("device %p", device);
1175
1176         connman_device_set_disconnected(device, TRUE);
1177
1178         g_hash_table_iter_init(&iter, device->networks);
1179
1180         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1181                 struct connman_network *network = value;
1182
1183                 if (connman_network_get_connected(network) == TRUE)
1184                         __connman_network_disconnect(network);
1185         }
1186 }
1187
1188 static void connect_known_network(struct connman_device *device)
1189 {
1190         struct connman_network *network = NULL;
1191         GHashTableIter iter;
1192         gpointer key, value;
1193         unsigned int count = 0;
1194
1195         DBG("device %p", device);
1196
1197         g_hash_table_iter_init(&iter, device->networks);
1198
1199         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1200                 connman_uint8_t old_priority, new_priority;
1201                 connman_uint8_t old_strength, new_strength;
1202                 const char *name;
1203
1204                 count++;
1205
1206                 if (connman_network_get_available(value) == FALSE)
1207                         continue;
1208
1209                 name = connman_network_get_string(value,
1210                                                 CONNMAN_PROPERTY_ID_NAME);
1211                 if (name != NULL && device->last_network != NULL) {
1212                         if (g_str_equal(name, device->last_network) == TRUE) {
1213                                 network = value;
1214                                 break;
1215                         }
1216                 }
1217
1218                 if (connman_network_get_remember(value) == FALSE)
1219                         continue;
1220
1221                 if (network == NULL) {
1222                         network = value;
1223                         continue;
1224                 }
1225
1226                 old_priority = connman_network_get_uint8(network,
1227                                                 CONNMAN_PROPERTY_ID_PRIORITY);
1228                 new_priority = connman_network_get_uint8(value,
1229                                                 CONNMAN_PROPERTY_ID_PRIORITY);
1230
1231                 if (new_priority != old_priority) {
1232                         if (new_priority > old_priority)
1233                                 network = value;
1234                         continue;
1235                 }
1236
1237                 old_strength = connman_network_get_uint8(network,
1238                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1239                 new_strength = connman_network_get_uint8(value,
1240                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1241
1242                 if (new_strength > old_strength)
1243                         network = value;
1244         }
1245
1246         if (network != NULL) {
1247                 int err;
1248
1249                 err = connman_network_connect(network);
1250                 if (err == 0 || err == -EINPROGRESS)
1251                         return;
1252         }
1253
1254         if (count > 0)
1255                 return;
1256
1257         if (device->driver && device->driver->scan)
1258                 device->driver->scan(device);
1259 }
1260
1261 static void mark_network_unavailable(gpointer key, gpointer value,
1262                                                         gpointer user_data)
1263 {
1264         struct connman_network *network = value;
1265
1266         if (connman_network_get_connected(network) == TRUE)
1267                 return;
1268
1269         connman_network_set_available(network, FALSE);
1270 }
1271
1272 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1273                                                         gpointer user_data)
1274 {
1275         struct connman_network *network = value;
1276
1277         if (connman_network_get_connected(network) == TRUE)
1278                 return FALSE;
1279
1280         if (connman_network_get_remember(network) == TRUE)
1281                 return FALSE;
1282
1283         if (connman_network_get_available(network) == TRUE)
1284                 return FALSE;
1285
1286         return TRUE;
1287 }
1288
1289 /**
1290  * connman_device_set_scanning:
1291  * @device: device structure
1292  * @scanning: scanning state
1293  *
1294  * Change scanning state of device
1295  */
1296 int connman_device_set_scanning(struct connman_device *device,
1297                                                 connman_bool_t scanning)
1298 {
1299         DBusMessage *signal;
1300         DBusMessageIter entry, value;
1301         const char *key = "Scanning";
1302
1303         DBG("driver %p scanning %d", device, scanning);
1304
1305         if (!device->driver || !device->driver->scan)
1306                 return -EINVAL;
1307
1308         if (device->scanning == scanning)
1309                 return -EALREADY;
1310
1311         device->scanning = scanning;
1312
1313         signal = dbus_message_new_signal(device->element.path,
1314                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1315         if (signal == NULL)
1316                 return 0;
1317
1318         dbus_message_iter_init_append(signal, &entry);
1319
1320         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1321
1322         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1323                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1324         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
1325         dbus_message_iter_close_container(&entry, &value);
1326
1327         g_dbus_send_message(connection, signal);
1328
1329         if (scanning == TRUE) {
1330                 if (device->scan_timeout > 0) {
1331                         g_source_remove(device->scan_timeout);
1332                         device->scan_timeout = 0;
1333                 }
1334
1335                 if (device->scan_interval > 0) {
1336                         guint interval = device->scan_interval;
1337                         device->scan_timeout = g_timeout_add_seconds(interval,
1338                                                 device_scan_trigger, device);
1339                 }
1340
1341                 g_hash_table_foreach(device->networks,
1342                                         mark_network_unavailable, NULL);
1343                 return 0;
1344         }
1345
1346         g_hash_table_foreach_remove(device->networks,
1347                                         remove_unavailable_network, NULL);
1348
1349         if (device->connections > 0)
1350                 return 0;
1351
1352         if (device->disconnected == TRUE)
1353                 return 0;
1354
1355         if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
1356                 return 0;
1357
1358         connect_known_network(device);
1359
1360         return 0;
1361 }
1362
1363 /**
1364  * connman_device_set_disconnected:
1365  * @device: device structure
1366  * @disconnected: disconnected state
1367  *
1368  * Change disconnected state of device (only for device with networks)
1369  */
1370 int connman_device_set_disconnected(struct connman_device *device,
1371                                                 connman_bool_t disconnected)
1372 {
1373         DBG("driver %p disconnected %d", device, disconnected);
1374
1375         switch (device->mode) {
1376         case CONNMAN_DEVICE_MODE_UNKNOWN:
1377         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1378                 return -EINVAL;
1379         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1380         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1381                 break;
1382         }
1383
1384         if (device->disconnected == disconnected)
1385                 return -EALREADY;
1386
1387         device->disconnected = disconnected;
1388
1389         return 0;
1390 }
1391
1392 /**
1393  * connman_device_set_string:
1394  * @device: device structure
1395  * @key: unique identifier
1396  * @value: string value
1397  *
1398  * Set string value for specific key
1399  */
1400 int connman_device_set_string(struct connman_device *device,
1401                                         const char *key, const char *value)
1402 {
1403         DBG("device %p key %s value %s", device, key, value);
1404
1405         if (g_str_equal(key, "Address") == TRUE) {
1406                 g_free(device->address);
1407                 device->address = g_strdup(value);
1408         } else if (g_str_equal(key, "Name") == TRUE) {
1409                 g_free(device->name);
1410                 device->name = g_strdup(value);
1411         } else if (g_str_equal(key, "Node") == TRUE) {
1412                 g_free(device->node);
1413                 device->node = g_strdup(value);
1414         }
1415
1416         return connman_element_set_string(&device->element, key, value);
1417 }
1418
1419 /**
1420  * connman_device_get_string:
1421  * @device: device structure
1422  * @key: unique identifier
1423  *
1424  * Get string value for specific key
1425  */
1426 const char *connman_device_get_string(struct connman_device *device,
1427                                                         const char *key)
1428 {
1429         DBG("device %p key %s", device, key);
1430
1431         if (g_str_equal(key, "Address") == TRUE)
1432                 return device->address;
1433         else if (g_str_equal(key, "Name") == TRUE)
1434                 return device->name;
1435         else if (g_str_equal(key, "Node") == TRUE)
1436                 return device->node;
1437
1438         return connman_element_get_string(&device->element, key);
1439 }
1440
1441 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1442 {
1443         struct connman_device *device = element->device;
1444         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1445         connman_bool_t powered;
1446
1447         DBG("element %p name %s", element, element->name);
1448
1449         if (device == NULL)
1450                 return;
1451
1452         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1453
1454         if (device->powered == powered)
1455                 return;
1456
1457         set_powered(device, powered);
1458 }
1459
1460 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1461 {
1462         DBG("offlinmode %d", offlinemode);
1463
1464         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1465                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1466
1467         __connman_notifier_offline_mode(offlinemode);
1468
1469         return 0;
1470 }
1471
1472 void __connman_device_increase_connections(struct connman_device *device)
1473 {
1474         device->connections++;
1475 }
1476
1477 void __connman_device_decrease_connections(struct connman_device *device)
1478 {
1479         device->connections--;
1480 }
1481
1482 /**
1483  * connman_device_add_network:
1484  * @device: device structure
1485  * @network: network structure
1486  *
1487  * Add new network to the device
1488  */
1489 int connman_device_add_network(struct connman_device *device,
1490                                         struct connman_network *network)
1491 {
1492         const char *identifier = connman_network_get_identifier(network);
1493         int err;
1494
1495         DBG("device %p network %p", device, network);
1496
1497         switch (device->mode) {
1498         case CONNMAN_DEVICE_MODE_UNKNOWN:
1499         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1500                 return -EINVAL;
1501         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1502         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1503                 break;
1504         }
1505
1506         __connman_network_set_device(network, device);
1507
1508         __connman_storage_load_network(network);
1509
1510         err = connman_element_register((struct connman_element *) network,
1511                                                         &device->element);
1512         if (err < 0) {
1513                 __connman_network_set_device(network, NULL);
1514                 return err;
1515         }
1516
1517         g_hash_table_insert(device->networks, g_strdup(identifier),
1518                                                                 network);
1519
1520         return 0;
1521 }
1522
1523 /**
1524  * connman_device_get_network:
1525  * @device: device structure
1526  * @identifier: network identifier
1527  *
1528  * Get network for given identifier
1529  */
1530 struct connman_network *connman_device_get_network(struct connman_device *device,
1531                                                         const char *identifier)
1532 {
1533         DBG("device %p identifier %s", device, identifier);
1534
1535         return g_hash_table_lookup(device->networks, identifier);
1536 }
1537
1538 /**
1539  * connman_device_remove_network:
1540  * @device: device structure
1541  * @identifier: network identifier
1542  *
1543  * Remove network for given identifier
1544  */
1545 int connman_device_remove_network(struct connman_device *device,
1546                                                         const char *identifier)
1547 {
1548         DBG("device %p identifier %s", device, identifier);
1549
1550         g_hash_table_remove(device->networks, identifier);
1551
1552         return 0;
1553 }
1554
1555 void __connman_device_set_network(struct connman_device *device,
1556                                         struct connman_network *network)
1557 {
1558         const char *name;
1559
1560         if (network != NULL) {
1561                 name = connman_network_get_string(network,
1562                                                 CONNMAN_PROPERTY_ID_NAME);
1563                 device->last_network = g_strdup(name);
1564         }
1565
1566         device->network = network;
1567 }
1568
1569 /**
1570  * connman_device_register:
1571  * @device: device structure
1572  *
1573  * Register device with the system
1574  */
1575 int connman_device_register(struct connman_device *device)
1576 {
1577         __connman_storage_load_device(device);
1578
1579         switch (device->mode) {
1580         case CONNMAN_DEVICE_MODE_UNKNOWN:
1581         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1582                 break;
1583         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1584         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1585                 __connman_storage_init_network(device);
1586                 break;
1587         }
1588
1589         return connman_element_register(&device->element, NULL);
1590 }
1591
1592 /**
1593  * connman_device_unregister:
1594  * @device: device structure
1595  *
1596  * Unregister device with the system
1597  */
1598 void connman_device_unregister(struct connman_device *device)
1599 {
1600         __connman_storage_save_device(device);
1601
1602         connman_element_unregister(&device->element);
1603 }
1604
1605 /**
1606  * connman_device_get_data:
1607  * @device: device structure
1608  *
1609  * Get private device data pointer
1610  */
1611 void *connman_device_get_data(struct connman_device *device)
1612 {
1613         return device->driver_data;
1614 }
1615
1616 /**
1617  * connman_device_set_data:
1618  * @device: device structure
1619  * @data: data pointer
1620  *
1621  * Set private device data pointer
1622  */
1623 void connman_device_set_data(struct connman_device *device, void *data)
1624 {
1625         device->driver_data = data;
1626 }
1627
1628 static gboolean match_driver(struct connman_device *device,
1629                                         struct connman_device_driver *driver)
1630 {
1631         if (device->type == driver->type ||
1632                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1633                 return TRUE;
1634
1635         return FALSE;
1636 }
1637
1638 static int device_probe(struct connman_element *element)
1639 {
1640         struct connman_device *device = element->device;
1641         GSList *list;
1642
1643         DBG("element %p name %s", element, element->name);
1644
1645         if (device == NULL)
1646                 return -ENODEV;
1647
1648         if (device->driver != NULL)
1649                 return -EALREADY;
1650
1651         for (list = driver_list; list; list = list->next) {
1652                 struct connman_device_driver *driver = list->data;
1653
1654                 if (match_driver(device, driver) == FALSE)
1655                         continue;
1656
1657                 DBG("driver %p name %s", driver, driver->name);
1658
1659                 if (driver->probe(device) == 0) {
1660                         device->driver = driver;
1661                         break;
1662                 }
1663         }
1664
1665         if (device->driver == NULL)
1666                 return -ENODEV;
1667
1668         return setup_device(device);
1669 }
1670
1671 static void device_remove(struct connman_element *element)
1672 {
1673         struct connman_device *device = element->device;
1674
1675         DBG("element %p name %s", element, element->name);
1676
1677         if (device == NULL)
1678                 return;
1679
1680         if (device->driver == NULL)
1681                 return;
1682
1683         remove_device(device);
1684 }
1685
1686 static struct connman_driver device_driver = {
1687         .name           = "device",
1688         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1689         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1690         .probe          = device_probe,
1691         .remove         = device_remove,
1692 };
1693
1694 static int device_load(struct connman_device *device)
1695 {
1696         GKeyFile *keyfile;
1697         gchar *pathname, *data = NULL;
1698         gsize length;
1699         char *str;
1700         int val;
1701
1702         DBG("device %p", device);
1703
1704         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1705                                                         device->element.name);
1706         if (pathname == NULL)
1707                 return -ENOMEM;
1708
1709         keyfile = g_key_file_new();
1710
1711         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1712                 g_free(pathname);
1713                 return -ENOENT;
1714         }
1715
1716         g_free(pathname);
1717
1718         if (g_key_file_load_from_data(keyfile, data, length,
1719                                                         0, NULL) == FALSE) {
1720                 g_free(data);
1721                 return -EILSEQ;
1722         }
1723
1724         g_free(data);
1725
1726         str = g_key_file_get_string(keyfile, "Configuration", "Policy", NULL);
1727         if (str != NULL) {
1728                 device->policy = string2policy(str);
1729                 g_free(str);
1730         }
1731
1732         val = g_key_file_get_integer(keyfile, "Configuration",
1733                                                         "Priority", NULL);
1734         if (val > 0)
1735                 device->priority = val;
1736
1737         switch (device->mode) {
1738         case CONNMAN_DEVICE_MODE_UNKNOWN:
1739         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1740                 break;
1741         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1742         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1743                 val = g_key_file_get_integer(keyfile, "Configuration",
1744                                                         "ScanInterval", NULL);
1745                 if (val > 0)
1746                         device->scan_interval = val;
1747                 break;
1748         }
1749
1750 #if 0
1751         str = g_key_file_get_string(keyfile, "Configuration",
1752                                                         "LastNetwork", NULL);
1753         if (str != NULL)
1754                 device->last_network = str;
1755 #endif
1756
1757         g_key_file_free(keyfile);
1758
1759         return 0;
1760 }
1761
1762 static int device_save(struct connman_device *device)
1763 {
1764         GKeyFile *keyfile;
1765         gchar *pathname, *data = NULL;
1766         gsize length;
1767         const char *str;
1768
1769         DBG("device %p", device);
1770
1771         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1772                                                         device->element.name);
1773         if (pathname == NULL)
1774                 return -ENOMEM;
1775
1776         keyfile = g_key_file_new();
1777
1778         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1779                 goto update;
1780
1781         if (length > 0) {
1782                 if (g_key_file_load_from_data(keyfile, data, length,
1783                                                         0, NULL) == FALSE)
1784                         goto done;
1785         }
1786
1787         g_free(data);
1788
1789 update:
1790         str = policy2string(device->policy);
1791         if (str != NULL)
1792                 g_key_file_set_string(keyfile, "Configuration", "Policy", str);
1793
1794         if (device->priority > 0)
1795                 g_key_file_set_integer(keyfile, "Configuration",
1796                                                 "Priority", device->priority);
1797
1798         switch (device->mode) {
1799         case CONNMAN_DEVICE_MODE_UNKNOWN:
1800         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1801                 break;
1802         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1803         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1804                 if (device->scan_interval > 0)
1805                         g_key_file_set_integer(keyfile, "Configuration",
1806                                         "ScanInterval", device->scan_interval);
1807                 break;
1808         }
1809
1810         if (device->last_network != NULL)
1811                 g_key_file_set_string(keyfile, "Configuration",
1812                                         "LastNetwork", device->last_network);
1813
1814         data = g_key_file_to_data(keyfile, &length, NULL);
1815
1816         g_file_set_contents(pathname, data, length, NULL);
1817
1818 done:
1819         g_free(data);
1820
1821         g_key_file_free(keyfile);
1822
1823         g_free(pathname);
1824
1825         if (device->network != NULL)
1826                 __connman_storage_save_network(device->network);
1827
1828         return 0;
1829 }
1830
1831 static struct connman_storage device_storage = {
1832         .name           = "device",
1833         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1834         .device_load    = device_load,
1835         .device_save    = device_save,
1836 };
1837
1838 int __connman_device_init(void)
1839 {
1840         DBG("");
1841
1842         connection = connman_dbus_get_connection();
1843
1844         if (connman_storage_register(&device_storage) < 0)
1845                 connman_error("Failed to register device storage");
1846
1847         return connman_driver_register(&device_driver);
1848 }
1849
1850 void __connman_device_cleanup(void)
1851 {
1852         DBG("");
1853
1854         connman_driver_unregister(&device_driver);
1855
1856         connman_storage_unregister(&device_storage);
1857
1858         dbus_connection_unref(connection);
1859 }