Fail connect attempt if not disconnected
[connman] / 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_carrier(struct connman_device *device, connman_bool_t carrier)
163 {
164         __connman_profile_set_carrier(device, carrier);
165
166         if (carrier == TRUE) {
167                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
168                 struct connman_element *element;
169
170                 switch (device->element.ipv4.method) {
171                 case CONNMAN_IPV4_METHOD_UNKNOWN:
172                 case CONNMAN_IPV4_METHOD_OFF:
173                         return 0;
174                 case CONNMAN_IPV4_METHOD_STATIC:
175                         type = CONNMAN_ELEMENT_TYPE_IPV4;
176                         break;
177                 case CONNMAN_IPV4_METHOD_DHCP:
178                         type = CONNMAN_ELEMENT_TYPE_DHCP;
179                         break;
180                 }
181
182                 element = connman_element_create(NULL);
183                 if (element != NULL) {
184                         element->type  = type;
185                         element->index = device->element.index;
186
187                         if (connman_element_register(element,
188                                                         &device->element) < 0)
189                                 connman_element_unref(element);
190                 }
191         } else
192                 connman_element_unregister_children(&device->element);
193
194         return 0;
195 }
196
197 static int set_powered(struct connman_device *device, connman_bool_t powered)
198 {
199         struct connman_device_driver *driver = device->driver;
200         int err;
201
202         DBG("device %p powered %d", device, powered);
203
204         if (!driver)
205                 return -EINVAL;
206
207         if (powered == TRUE) {
208                 if (driver->enable) {
209                         err = driver->enable(device);
210                         __connman_notifier_device_type_increase(device->type);
211                 } else
212                         err = -EINVAL;
213         } else {
214                 g_hash_table_remove_all(device->networks);
215
216                 set_carrier(device, FALSE);
217
218                 if (driver->disable) {
219                         err = driver->disable(device);
220                         __connman_notifier_device_type_decrease(device->type);
221                 } else
222                         err = -EINVAL;
223         }
224
225         return err;
226 }
227
228 static int set_policy(DBusConnection *connection,
229                                 struct connman_device *device,
230                                         enum connman_device_policy policy)
231 {
232         DBusMessage *signal;
233         DBusMessageIter entry, value;
234         const char *str, *key = "Policy";
235         int err = 0;
236
237         DBG("device %p policy %d", device, policy);
238
239         if (device->policy == policy)
240                 return 0;
241
242         switch (policy) {
243         case CONNMAN_DEVICE_POLICY_UNKNOWN:
244                 return -EINVAL;
245         case CONNMAN_DEVICE_POLICY_IGNORE:
246                 break;
247         case CONNMAN_DEVICE_POLICY_OFF:
248                 if (device->powered == TRUE)
249                         err = set_powered(device, FALSE);
250                 break;
251         case CONNMAN_DEVICE_POLICY_AUTO:
252         case CONNMAN_DEVICE_POLICY_MANUAL:
253                 if (device->powered == FALSE)
254                         err = set_powered(device, TRUE);
255                 else
256                         err = set_carrier(device, device->carrier);
257                 break;
258         }
259
260         if (err < 0)
261                 return err;
262
263         device->policy = policy;
264
265         signal = dbus_message_new_signal(device->element.path,
266                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
267         if (signal == NULL)
268                 return 0;
269
270         dbus_message_iter_init_append(signal, &entry);
271
272         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
273
274         str = policy2string(policy);
275
276         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
277                                         DBUS_TYPE_STRING_AS_STRING, &value);
278         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &str);
279         dbus_message_iter_close_container(&entry, &value);
280
281         g_dbus_send_message(connection, signal);
282
283         return 0;
284 }
285
286 static void append_path(gpointer key, gpointer value, gpointer user_data)
287 {
288         struct connman_element *element = value;
289         DBusMessageIter *iter = user_data;
290
291         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
292                                                         &element->path);
293 }
294
295 static void append_networks(struct connman_device *device,
296                                                 DBusMessageIter *entry)
297 {
298         DBusMessageIter value, iter;
299         const char *key = "Networks";
300
301         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
302
303         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
304                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
305                                                                 &value);
306
307         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
308                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
309         g_hash_table_foreach(device->networks, append_path, &iter);
310         dbus_message_iter_close_container(&value, &iter);
311
312         dbus_message_iter_close_container(entry, &value);
313 }
314
315 static DBusMessage *get_properties(DBusConnection *conn,
316                                         DBusMessage *msg, void *data)
317 {
318         struct connman_device *device = data;
319         DBusMessage *reply;
320         DBusMessageIter array, dict, entry;
321         const char *str;
322
323         DBG("conn %p", conn);
324
325         if (__connman_security_check_privilege(msg,
326                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
327                 return __connman_error_permission_denied(msg);
328
329         reply = dbus_message_new_method_return(msg);
330         if (reply == NULL)
331                 return NULL;
332
333         dbus_message_iter_init_append(reply, &array);
334
335         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
336                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
337                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
338                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
339
340         if (device->name != NULL)
341                 connman_dbus_dict_append_variant(&dict, "Name",
342                                         DBUS_TYPE_STRING, &device->name);
343
344         str = type2string(device->type);
345         if (str != NULL)
346                 connman_dbus_dict_append_variant(&dict, "Type",
347                                                 DBUS_TYPE_STRING, &str);
348
349         if (device->address != NULL)
350                 connman_dbus_dict_append_variant(&dict, "Address",
351                                         DBUS_TYPE_STRING, &device->address);
352
353         if (device->interface != NULL)
354                 connman_dbus_dict_append_variant(&dict, "Interface",
355                                         DBUS_TYPE_STRING, &device->interface);
356
357         str = policy2string(device->policy);
358         if (str != NULL)
359                 connman_dbus_dict_append_variant(&dict, "Policy",
360                                                 DBUS_TYPE_STRING, &str);
361
362         if (device->priority > 0)
363                 connman_dbus_dict_append_variant(&dict, "Priority",
364                                         DBUS_TYPE_BYTE, &device->priority);
365
366         connman_dbus_dict_append_variant(&dict, "Powered",
367                                         DBUS_TYPE_BOOLEAN, &device->powered);
368
369         if (device->driver && device->driver->scan)
370                 connman_dbus_dict_append_variant(&dict, "Scanning",
371                                         DBUS_TYPE_BOOLEAN, &device->scanning);
372
373         switch (device->mode) {
374         case CONNMAN_DEVICE_MODE_UNKNOWN:
375                 break;
376         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
377                 __connman_element_append_ipv4(&device->element, &dict);
378                 break;
379         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
380         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
381                 if (device->scan_interval > 0)
382                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
383                                 DBUS_TYPE_UINT16, &device->scan_interval);
384
385                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
386                                                                 NULL, &entry);
387                 append_networks(device, &entry);
388                 dbus_message_iter_close_container(&dict, &entry);
389                 break;
390         }
391
392         dbus_message_iter_close_container(&array, &dict);
393
394         return reply;
395 }
396
397 static DBusMessage *set_property(DBusConnection *conn,
398                                         DBusMessage *msg, void *data)
399 {
400         struct connman_device *device = data;
401         DBusMessageIter iter, value;
402         const char *name;
403         int type;
404
405         DBG("conn %p", conn);
406
407         if (dbus_message_iter_init(msg, &iter) == FALSE)
408                 return __connman_error_invalid_arguments(msg);
409
410         dbus_message_iter_get_basic(&iter, &name);
411         dbus_message_iter_next(&iter);
412         dbus_message_iter_recurse(&iter, &value);
413
414         if (__connman_security_check_privilege(msg,
415                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
416                 return __connman_error_permission_denied(msg);
417
418         type = dbus_message_iter_get_arg_type(&value);
419
420         if (g_str_equal(name, "Powered") == TRUE) {
421                 connman_bool_t powered;
422                 int err;
423
424                 if (type != DBUS_TYPE_BOOLEAN)
425                         return __connman_error_invalid_arguments(msg);
426
427                 dbus_message_iter_get_basic(&value, &powered);
428
429                 if (device->powered == powered)
430                         return __connman_error_invalid_arguments(msg);
431
432                 err = set_powered(device, powered);
433                 if (err < 0 && err != -EINPROGRESS)
434                         return __connman_error_failed(msg);
435         } else if (g_str_equal(name, "Policy") == TRUE) {
436                 enum connman_device_policy policy;
437                 const char *str;
438                 int err;
439
440                 if (type != DBUS_TYPE_STRING)
441                         return __connman_error_invalid_arguments(msg);
442
443                 dbus_message_iter_get_basic(&value, &str);
444                 policy = string2policy(str);
445                 if (policy == CONNMAN_DEVICE_POLICY_UNKNOWN)
446                         return __connman_error_invalid_arguments(msg);
447
448                 err = set_policy(conn, device, policy);
449                 if (err < 0)
450                         return __connman_error_failed(msg);
451         } else if (g_str_equal(name, "Priority") == TRUE) {
452                 connman_uint8_t priority;
453
454                 if (type != DBUS_TYPE_BYTE)
455                         return __connman_error_invalid_arguments(msg);
456
457                 dbus_message_iter_get_basic(&value, &priority);
458
459                 device->priority = priority;
460         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
461                 connman_uint16_t interval;
462
463                 switch (device->mode) {
464                 case CONNMAN_DEVICE_MODE_UNKNOWN:
465                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
466                         return __connman_error_invalid_arguments(msg);
467                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
468                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
469                         break;
470                 }
471
472                 if (type != DBUS_TYPE_UINT16)
473                         return __connman_error_invalid_arguments(msg);
474
475                 dbus_message_iter_get_basic(&value, &interval);
476
477                 device->scan_interval = interval;
478
479                 if (device->scan_timeout > 0) {
480                         g_source_remove(device->scan_timeout);
481                         device->scan_timeout = 0;
482                 }
483
484                 if (device->scan_interval > 0) {
485                         guint interval = device->scan_interval;
486                         device->scan_timeout = g_timeout_add_seconds(interval,
487                                                 device_scan_trigger, device);
488                 }
489         } else if (g_str_has_prefix(name, "IPv4") == TRUE) {
490                 switch (device->mode) {
491                 case CONNMAN_DEVICE_MODE_UNKNOWN:
492                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
493                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
494                         return __connman_error_invalid_arguments(msg);
495                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
496                         __connman_element_set_ipv4(&device->element,
497                                                                 name, &value);
498                         break;
499                 }
500         }
501
502         __connman_storage_save_device(device);
503
504         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
505 }
506
507 static DBusMessage *join_network(DBusConnection *conn,
508                                         DBusMessage *msg, void *data)
509 {
510         struct connman_device *device = data;
511         struct connman_network *network;
512         enum connman_network_type type;
513         DBusMessageIter iter, array;
514         int err, index;
515
516         DBG("conn %p", conn);
517
518         if (__connman_security_check_privilege(msg,
519                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
520                 return __connman_error_permission_denied(msg);
521
522         if (!device->driver || !device->driver->join)
523                 return __connman_error_not_supported(msg);
524
525         dbus_message_iter_init(msg, &iter);
526         dbus_message_iter_recurse(&iter, &array);
527
528         switch (device->type) {
529         case CONNMAN_DEVICE_TYPE_WIFI:
530                 type = CONNMAN_NETWORK_TYPE_WIFI;
531                 break;
532         default:
533                 return __connman_error_not_supported(msg);
534         }
535
536         network = connman_network_create("00_00_00_00_00_00", type);
537         if (network == NULL)
538                 return __connman_error_failed(msg);
539
540         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
541                 DBusMessageIter entry, value;
542                 const char *key, *str;
543
544                 dbus_message_iter_recurse(&array, &entry);
545                 dbus_message_iter_get_basic(&entry, &key);
546
547                 dbus_message_iter_next(&entry);
548                 dbus_message_iter_recurse(&entry, &value);
549
550                 switch (dbus_message_iter_get_arg_type(&value)) {
551                 case DBUS_TYPE_STRING:
552                         dbus_message_iter_get_basic(&value, &str);
553                         if (g_str_equal(key, "WiFi.SSID") == TRUE)
554                                 connman_network_set_blob(network, key,
555                                                         str, strlen(str));
556                         else
557                                 connman_network_set_string(network, key, str);
558                         break;
559                 }
560
561                 dbus_message_iter_next(&array);
562         }
563
564         index = connman_device_get_index(device);
565         connman_network_set_index(network, index);
566
567         connman_network_set_protocol(network, CONNMAN_NETWORK_PROTOCOL_IP);
568
569         err = device->driver->join(device, network);
570
571         connman_network_unref(network);
572
573         if (err < 0)
574                 return __connman_error_failed(msg);
575
576         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
577 }
578
579 static DBusMessage *create_network(DBusConnection *conn,
580                                         DBusMessage *msg, void *data)
581 {
582         DBG("conn %p", conn);
583
584         if (__connman_security_check_privilege(msg,
585                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
586                 return __connman_error_permission_denied(msg);
587
588         return __connman_error_invalid_arguments(msg);
589 }
590
591 static DBusMessage *remove_network(DBusConnection *conn,
592                                         DBusMessage *msg, void *data)
593 {
594         DBG("conn %p", conn);
595
596         if (__connman_security_check_privilege(msg,
597                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
598                 return __connman_error_permission_denied(msg);
599
600         return __connman_error_invalid_arguments(msg);
601 }
602
603 static DBusMessage *propose_scan(DBusConnection *conn,
604                                         DBusMessage *msg, void *data)
605 {
606         struct connman_device *device = data;
607         int err;
608
609         DBG("conn %p", conn);
610
611         switch (device->mode) {
612         case CONNMAN_DEVICE_MODE_UNKNOWN:
613         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
614                 return __connman_error_not_supported(msg);
615         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
616         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
617                 break;
618         }
619
620         if (!device->driver || !device->driver->scan)
621                 return __connman_error_not_supported(msg);
622
623         if (device->powered == FALSE)
624                 return __connman_error_failed(msg);
625
626         err = device->driver->scan(device);
627         if (err < 0)
628                 return __connman_error_failed(msg);
629
630         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
631 }
632
633 static GDBusMethodTable device_methods[] = {
634         { "GetProperties", "",      "a{sv}", get_properties },
635         { "SetProperty",   "sv",    "",      set_property   },
636         { "JoinNetwork",   "a{sv}", "",      join_network   },
637         { "CreateNetwork", "a{sv}", "o",     create_network },
638         { "RemoveNetwork", "o",     "",      remove_network },
639         { "ProposeScan",   "",      "",      propose_scan   },
640         { },
641 };
642
643 static GDBusSignalTable device_signals[] = {
644         { "PropertyChanged", "sv" },
645         { },
646 };
647
648 static DBusConnection *connection;
649
650 static void append_devices(DBusMessageIter *entry)
651 {
652         DBusMessageIter value, iter;
653         const char *key = "Devices";
654
655         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
656
657         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
658                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
659                                                                 &value);
660
661         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
662                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
663         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
664         dbus_message_iter_close_container(&value, &iter);
665
666         dbus_message_iter_close_container(entry, &value);
667 }
668
669 static void emit_devices_signal(void)
670 {
671         DBusMessage *signal;
672         DBusMessageIter entry;
673
674         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
675                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
676         if (signal == NULL)
677                 return;
678
679         dbus_message_iter_init_append(signal, &entry);
680
681         append_devices(&entry);
682
683         g_dbus_send_message(connection, signal);
684 }
685
686 static int register_interface(struct connman_element *element)
687 {
688         struct connman_device *device = element->device;
689
690         DBG("element %p name %s", element, element->name);
691
692         if (g_dbus_register_interface(connection, element->path,
693                                         CONNMAN_DEVICE_INTERFACE,
694                                         device_methods, device_signals,
695                                         NULL, device, NULL) == FALSE) {
696                 connman_error("Failed to register %s device", element->path);
697                 return -EIO;
698         }
699
700         device->registered = TRUE;
701
702         emit_devices_signal();
703
704         return 0;
705 }
706
707 static void unregister_interface(struct connman_element *element)
708 {
709         struct connman_device *device = element->device;
710
711         DBG("element %p name %s", element, element->name);
712
713         device->registered = FALSE;
714
715         emit_devices_signal();
716
717         g_dbus_unregister_interface(connection, element->path,
718                                                 CONNMAN_DEVICE_INTERFACE);
719 }
720
721 static void device_enable(struct connman_device *device)
722 {
723         DBG("device %p", device);
724
725         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE ||
726                                 device->policy == CONNMAN_DEVICE_POLICY_OFF)
727                 return;
728
729         if (device->powered == TRUE)
730                 return;
731
732         if (device->driver->enable) {
733                 device->driver->enable(device);
734                 __connman_notifier_device_type_increase(device->type);
735         }
736 }
737
738 static void device_disable(struct connman_device *device)
739 {
740         DBG("device %p", device);
741
742         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE)
743                 return;
744
745         if (device->powered == FALSE)
746                 return;
747
748         g_hash_table_remove_all(device->networks);
749
750         if (device->driver->disable) {
751                 device->driver->disable(device);
752                 __connman_notifier_device_type_decrease(device->type);
753         }
754 }
755
756 static int setup_device(struct connman_device *device)
757 {
758         int err;
759
760         DBG("device %p", device);
761
762         err = register_interface(&device->element);
763         if (err < 0) {
764                 if (device->driver->remove)
765                         device->driver->remove(device);
766                 device->driver = NULL;
767                 return err;
768         }
769
770         switch (device->mode) {
771         case CONNMAN_DEVICE_MODE_UNKNOWN:
772         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
773         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
774                 break;
775         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
776                 __connman_profile_add_device(device);
777                 break;
778         }
779
780         device_enable(device);
781
782         return 0;
783 }
784
785 static void probe_driver(struct connman_element *element, gpointer user_data)
786 {
787         struct connman_device_driver *driver = user_data;
788
789         DBG("element %p name %s", element, element->name);
790
791         if (element->device == NULL)
792                 return;
793
794         if (element->device->driver != NULL)
795                 return;
796
797         if (driver->type != element->device->type)
798                 return;
799
800         if (driver->probe(element->device) < 0)
801                 return;
802
803         element->device->driver = driver;
804
805         setup_device(element->device);
806 }
807
808 static void remove_device(struct connman_device *device)
809 {
810         DBG("device %p", device);
811
812         device_disable(device);
813
814         switch (device->mode) {
815         case CONNMAN_DEVICE_MODE_UNKNOWN:
816         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
817         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
818                 break;
819         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
820                 __connman_profile_remove_device(device);
821                 break;
822         }
823
824         unregister_interface(&device->element);
825
826         if (device->driver->remove)
827                 device->driver->remove(device);
828
829         device->driver = NULL;
830 }
831
832 static void remove_driver(struct connman_element *element, gpointer user_data)
833 {
834         struct connman_device_driver *driver = user_data;
835
836         DBG("element %p name %s", element, element->name);
837
838         if (element->device == NULL)
839                 return;
840
841         if (element->device->driver == driver)
842                 remove_device(element->device);
843 }
844
845 connman_bool_t __connman_device_has_driver(struct connman_device *device)
846 {
847         if (device == NULL || device->driver == NULL)
848                 return FALSE;
849
850         return device->registered;
851 }
852
853 static GSList *driver_list = NULL;
854
855 static gint compare_priority(gconstpointer a, gconstpointer b)
856 {
857         const struct connman_device_driver *driver1 = a;
858         const struct connman_device_driver *driver2 = b;
859
860         return driver2->priority - driver1->priority;
861 }
862
863 /**
864  * connman_device_driver_register:
865  * @driver: device driver definition
866  *
867  * Register a new device driver
868  *
869  * Returns: %0 on success
870  */
871 int connman_device_driver_register(struct connman_device_driver *driver)
872 {
873         DBG("driver %p name %s", driver, driver->name);
874
875         driver_list = g_slist_insert_sorted(driver_list, driver,
876                                                         compare_priority);
877
878         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
879                                                 probe_driver, driver);
880
881         return 0;
882 }
883
884 /**
885  * connman_device_driver_unregister:
886  * @driver: device driver definition
887  *
888  * Remove a previously registered device driver
889  */
890 void connman_device_driver_unregister(struct connman_device_driver *driver)
891 {
892         DBG("driver %p name %s", driver, driver->name);
893
894         driver_list = g_slist_remove(driver_list, driver);
895
896         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
897                                                 remove_driver, driver);
898 }
899
900 static void unregister_network(gpointer data)
901 {
902         struct connman_network *network = data;
903
904         DBG("network %p", network);
905
906         connman_element_unregister((struct connman_element *) network);
907
908         connman_network_unref(network);
909 }
910
911 static void device_destruct(struct connman_element *element)
912 {
913         struct connman_device *device = element->device;
914
915         DBG("element %p name %s", element, element->name);
916
917         g_free(device->node);
918         g_free(device->name);
919         g_free(device->address);
920         g_free(device->interface);
921
922         g_free(device->last_network);
923
924         g_hash_table_destroy(device->networks);
925         device->networks = NULL;
926 }
927
928 /**
929  * connman_device_create:
930  * @node: device node name (for example an address)
931  * @type: device type
932  *
933  * Allocate a new device of given #type and assign the #node name to it.
934  *
935  * Returns: a newly-allocated #connman_device structure
936  */
937 struct connman_device *connman_device_create(const char *node,
938                                                 enum connman_device_type type)
939 {
940         struct connman_device *device;
941         const char *str;
942
943         DBG("node %s type %d", node, type);
944
945         device = g_try_new0(struct connman_device, 1);
946         if (device == NULL)
947                 return NULL;
948
949         DBG("device %p", device);
950
951         __connman_element_initialize(&device->element);
952
953         device->element.name = g_strdup(node);
954         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
955
956         device->element.device = device;
957         device->element.destruct = device_destruct;
958
959         str = type2string(type);
960         if (str != NULL)
961                 connman_element_set_string(&device->element,
962                                         CONNMAN_PROPERTY_ID_TYPE, str);
963
964         device->element.ipv4.method = CONNMAN_IPV4_METHOD_DHCP;
965
966         device->type   = type;
967         device->name   = g_strdup(type2description(device->type));
968         device->mode   = CONNMAN_DEVICE_MODE_UNKNOWN;
969         device->policy = CONNMAN_DEVICE_POLICY_AUTO;
970
971         switch (type) {
972         case CONNMAN_DEVICE_TYPE_UNKNOWN:
973         case CONNMAN_DEVICE_TYPE_VENDOR:
974                 device->priority = 0;
975                 device->scan_interval = 0;
976                 break;
977         case CONNMAN_DEVICE_TYPE_ETHERNET:
978         case CONNMAN_DEVICE_TYPE_WIFI:
979                 device->priority = 100;
980                 device->scan_interval = 300;
981                 break;
982         case CONNMAN_DEVICE_TYPE_WIMAX:
983                 device->priority = 20;
984                 device->scan_interval = 0;
985                 break;
986         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
987                 device->priority = 50;
988                 device->scan_interval = 0;
989                 break;
990         case CONNMAN_DEVICE_TYPE_GPS:
991                 device->priority = 0;
992                 device->scan_interval = 0;
993                 break;
994         case CONNMAN_DEVICE_TYPE_HSO:
995         case CONNMAN_DEVICE_TYPE_NOZOMI:
996         case CONNMAN_DEVICE_TYPE_HUAWEI:
997         case CONNMAN_DEVICE_TYPE_NOVATEL:
998                 device->priority = 60;
999                 device->scan_interval = 0;
1000                 break;
1001         }
1002
1003         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
1004                                                 g_free, unregister_network);
1005
1006         return device;
1007 }
1008
1009 /**
1010  * connman_device_ref:
1011  * @device: device structure
1012  *
1013  * Increase reference counter of device
1014  */
1015 struct connman_device *connman_device_ref(struct connman_device *device)
1016 {
1017         if (connman_element_ref(&device->element) == NULL)
1018                 return NULL;
1019
1020         return device;
1021 }
1022
1023 /**
1024  * connman_device_unref:
1025  * @device: device structure
1026  *
1027  * Decrease reference counter of device
1028  */
1029 void connman_device_unref(struct connman_device *device)
1030 {
1031         connman_element_unref(&device->element);
1032 }
1033
1034 const char *__connman_device_get_type(struct connman_device *device)
1035 {
1036         return type2string(device->type);
1037 }
1038
1039 /**
1040  * connman_device_get_type:
1041  * @device: device structure
1042  *
1043  * Get type of device
1044  */
1045 enum connman_device_type connman_device_get_type(struct connman_device *device)
1046 {
1047         return device->type;
1048 }
1049
1050 /**
1051  * connman_device_get_name:
1052  * @device: device structure
1053  *
1054  * Get unique name of device
1055  */
1056 const char *connman_device_get_name(struct connman_device *device)
1057 {
1058         return device->element.name;
1059 }
1060
1061 /**
1062  * connman_device_get_path:
1063  * @device: device structure
1064  *
1065  * Get path name of device
1066  */
1067 const char *connman_device_get_path(struct connman_device *device)
1068 {
1069         return device->element.path;
1070 }
1071
1072 /**
1073  * connman_device_set_index:
1074  * @device: device structure
1075  * @index: index number
1076  *
1077  * Set index number of device
1078  */
1079 void connman_device_set_index(struct connman_device *device, int index)
1080 {
1081         device->element.index = index;
1082 }
1083
1084 /**
1085  * connman_device_get_index:
1086  * @device: device structure
1087  *
1088  * Get index number of device
1089  */
1090 int connman_device_get_index(struct connman_device *device)
1091 {
1092         return device->element.index;
1093 }
1094
1095 /**
1096  * connman_device_set_interface:
1097  * @device: device structure
1098  * @interface: interface name
1099  *
1100  * Set interface name of device
1101  */
1102 void connman_device_set_interface(struct connman_device *device,
1103                                                         const char *interface)
1104 {
1105         g_free(device->element.devname);
1106         device->element.devname = g_strdup(interface);
1107
1108         g_free(device->interface);
1109         device->interface = g_strdup(interface);
1110
1111         if (device->name == NULL) {
1112                 const char *str = type2description(device->type);
1113                 if (str != NULL && device->interface != NULL)
1114                         device->name = g_strdup_printf("%s (%s)", str,
1115                                                         device->interface);
1116         }
1117 }
1118
1119 /**
1120  * connman_device_get_interface:
1121  * @device: device structure
1122  *
1123  * Get interface name of device
1124  */
1125 const char *connman_device_get_interface(struct connman_device *device)
1126 {
1127         return device->interface;
1128 }
1129
1130 /**
1131  * connman_device_set_policy:
1132  * @device: device structure
1133  * @policy: power and connection policy
1134  *
1135  * Change power and connection policy of device
1136  */
1137 void connman_device_set_policy(struct connman_device *device,
1138                                         enum connman_device_policy policy)
1139 {
1140         device->policy = policy;
1141 }
1142
1143 /**
1144  * connman_device_set_mode:
1145  * @device: device structure
1146  * @mode: network mode
1147  *
1148  * Change network mode of device
1149  */
1150 void connman_device_set_mode(struct connman_device *device,
1151                                                 enum connman_device_mode mode)
1152 {
1153         device->mode = mode;
1154 }
1155
1156 /**
1157  * connman_device_get_mode:
1158  * @device: device structure
1159  *
1160  * Get network mode of device
1161  */
1162 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1163 {
1164         return device->mode;
1165 }
1166
1167 /**
1168  * connman_device_set_powered:
1169  * @device: device structure
1170  * @powered: powered state
1171  *
1172  * Change power state of device
1173  */
1174 int connman_device_set_powered(struct connman_device *device,
1175                                                 connman_bool_t powered)
1176 {
1177         DBusMessage *signal;
1178         DBusMessageIter entry, value;
1179         const char *key = "Powered";
1180
1181         DBG("driver %p powered %d", device, powered);
1182
1183         if (device->powered == powered)
1184                 return -EALREADY;
1185
1186         device->powered = powered;
1187
1188         if (device->registered == FALSE)
1189                 return 0;
1190
1191         signal = dbus_message_new_signal(device->element.path,
1192                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1193         if (signal == NULL)
1194                 return 0;
1195
1196         dbus_message_iter_init_append(signal, &entry);
1197
1198         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1199
1200         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1201                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1202         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &powered);
1203         dbus_message_iter_close_container(&entry, &value);
1204
1205         g_dbus_send_message(connection, signal);
1206
1207         if (powered == FALSE)
1208                 return 0;
1209
1210         if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
1211                 return 0;
1212
1213         if (device->scan_timeout > 0) {
1214                 g_source_remove(device->scan_timeout);
1215                 device->scan_timeout = 0;
1216         }
1217
1218         if (device->scan_interval > 0) {
1219                 guint interval = device->scan_interval;
1220                 device->scan_timeout = g_timeout_add_seconds(interval,
1221                                         device_scan_trigger, device);
1222         }
1223
1224         if (device->driver->scan)
1225                 device->driver->scan(device);
1226
1227         return 0;
1228 }
1229
1230 /**
1231  * connman_device_set_carrier:
1232  * @device: device structure
1233  * @carrier: carrier state
1234  *
1235  * Change carrier state of device (only for device without scanning)
1236  */
1237 int connman_device_set_carrier(struct connman_device *device,
1238                                                 connman_bool_t carrier)
1239 {
1240         DBG("driver %p carrier %d", device, carrier);
1241
1242         switch (device->mode) {
1243         case CONNMAN_DEVICE_MODE_UNKNOWN:
1244         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1245         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1246                 return -EINVAL;
1247         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1248                 break;
1249         }
1250
1251         if (device->carrier == carrier)
1252                 return -EALREADY;
1253
1254         device->carrier = carrier;
1255
1256         switch (device->policy) {
1257         case CONNMAN_DEVICE_POLICY_UNKNOWN:
1258         case CONNMAN_DEVICE_POLICY_IGNORE:
1259         case CONNMAN_DEVICE_POLICY_OFF:
1260                 return 0;
1261         case CONNMAN_DEVICE_POLICY_AUTO:
1262         case CONNMAN_DEVICE_POLICY_MANUAL:
1263                 break;
1264         }
1265
1266         return set_carrier(device, device->carrier);
1267 }
1268
1269 int __connman_device_connect(struct connman_device *device)
1270 {
1271         DBG("device %p", device);
1272
1273         if (device->disconnected == FALSE)
1274                 return -EINVAL;
1275
1276         return 0;
1277 }
1278
1279 int __connman_device_disconnect(struct connman_device *device)
1280 {
1281         GHashTableIter iter;
1282         gpointer key, value;
1283
1284         DBG("device %p", device);
1285
1286         connman_device_set_disconnected(device, TRUE);
1287
1288         g_hash_table_iter_init(&iter, device->networks);
1289
1290         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1291                 struct connman_network *network = value;
1292
1293                 if (connman_network_get_connected(network) == TRUE)
1294                         __connman_network_disconnect(network);
1295         }
1296
1297         return 0;
1298 }
1299
1300 static void connect_known_network(struct connman_device *device)
1301 {
1302         struct connman_network *network = NULL;
1303         GHashTableIter iter;
1304         gpointer key, value;
1305         unsigned int count = 0;
1306
1307         DBG("device %p", device);
1308
1309         g_hash_table_iter_init(&iter, device->networks);
1310
1311         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1312                 connman_uint8_t old_priority, new_priority;
1313                 connman_uint8_t old_strength, new_strength;
1314                 const char *name;
1315
1316                 count++;
1317
1318                 if (connman_network_get_available(value) == FALSE)
1319                         continue;
1320
1321                 name = connman_network_get_string(value,
1322                                                 CONNMAN_PROPERTY_ID_NAME);
1323                 if (name != NULL && device->last_network != NULL) {
1324                         if (g_str_equal(name, device->last_network) == TRUE) {
1325                                 network = value;
1326                                 break;
1327                         }
1328                 }
1329
1330                 if (connman_network_get_remember(value) == FALSE)
1331                         continue;
1332
1333                 if (network == NULL) {
1334                         network = value;
1335                         continue;
1336                 }
1337
1338                 old_priority = connman_network_get_uint8(network,
1339                                                 CONNMAN_PROPERTY_ID_PRIORITY);
1340                 new_priority = connman_network_get_uint8(value,
1341                                                 CONNMAN_PROPERTY_ID_PRIORITY);
1342
1343                 if (new_priority != old_priority) {
1344                         if (new_priority > old_priority)
1345                                 network = value;
1346                         continue;
1347                 }
1348
1349                 old_strength = connman_network_get_uint8(network,
1350                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1351                 new_strength = connman_network_get_uint8(value,
1352                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1353
1354                 if (new_strength > old_strength)
1355                         network = value;
1356         }
1357
1358         if (network != NULL) {
1359                 int err;
1360
1361                 err = connman_network_connect(network);
1362                 if (err == 0 || err == -EINPROGRESS)
1363                         return;
1364         }
1365
1366         if (count > 0)
1367                 return;
1368
1369         if (device->driver && device->driver->scan)
1370                 device->driver->scan(device);
1371 }
1372
1373 static void mark_network_unavailable(gpointer key, gpointer value,
1374                                                         gpointer user_data)
1375 {
1376         struct connman_network *network = value;
1377
1378         if (connman_network_get_connected(network) == TRUE)
1379                 return;
1380
1381         connman_network_set_available(network, FALSE);
1382 }
1383
1384 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1385                                                         gpointer user_data)
1386 {
1387         struct connman_network *network = value;
1388
1389         if (connman_network_get_connected(network) == TRUE)
1390                 return FALSE;
1391
1392         if (connman_network_get_remember(network) == TRUE)
1393                 return FALSE;
1394
1395         if (connman_network_get_available(network) == TRUE)
1396                 return FALSE;
1397
1398         return TRUE;
1399 }
1400
1401 /**
1402  * connman_device_set_scanning:
1403  * @device: device structure
1404  * @scanning: scanning state
1405  *
1406  * Change scanning state of device
1407  */
1408 int connman_device_set_scanning(struct connman_device *device,
1409                                                 connman_bool_t scanning)
1410 {
1411         DBusMessage *signal;
1412         DBusMessageIter entry, value;
1413         const char *key = "Scanning";
1414
1415         DBG("driver %p scanning %d", device, scanning);
1416
1417         if (!device->driver || !device->driver->scan)
1418                 return -EINVAL;
1419
1420         if (device->scanning == scanning)
1421                 return -EALREADY;
1422
1423         device->scanning = scanning;
1424
1425         signal = dbus_message_new_signal(device->element.path,
1426                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1427         if (signal == NULL)
1428                 return 0;
1429
1430         dbus_message_iter_init_append(signal, &entry);
1431
1432         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1433
1434         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1435                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1436         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
1437         dbus_message_iter_close_container(&entry, &value);
1438
1439         g_dbus_send_message(connection, signal);
1440
1441         if (scanning == TRUE) {
1442                 if (device->scan_timeout > 0) {
1443                         g_source_remove(device->scan_timeout);
1444                         device->scan_timeout = 0;
1445                 }
1446
1447                 if (device->scan_interval > 0) {
1448                         guint interval = device->scan_interval;
1449                         device->scan_timeout = g_timeout_add_seconds(interval,
1450                                                 device_scan_trigger, device);
1451                 }
1452
1453                 g_hash_table_foreach(device->networks,
1454                                         mark_network_unavailable, NULL);
1455                 return 0;
1456         }
1457
1458         g_hash_table_foreach_remove(device->networks,
1459                                         remove_unavailable_network, NULL);
1460
1461         if (device->connections > 0)
1462                 return 0;
1463
1464         if (device->disconnected == TRUE)
1465                 return 0;
1466
1467         if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
1468                 return 0;
1469
1470         connect_known_network(device);
1471
1472         return 0;
1473 }
1474
1475 /**
1476  * connman_device_set_disconnected:
1477  * @device: device structure
1478  * @disconnected: disconnected state
1479  *
1480  * Change disconnected state of device (only for device with networks)
1481  */
1482 int connman_device_set_disconnected(struct connman_device *device,
1483                                                 connman_bool_t disconnected)
1484 {
1485         DBG("driver %p disconnected %d", device, disconnected);
1486
1487         switch (device->mode) {
1488         case CONNMAN_DEVICE_MODE_UNKNOWN:
1489         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1490                 return -EINVAL;
1491         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1492         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1493                 break;
1494         }
1495
1496         if (device->disconnected == disconnected)
1497                 return -EALREADY;
1498
1499         device->disconnected = disconnected;
1500
1501         return 0;
1502 }
1503
1504 /**
1505  * connman_device_set_string:
1506  * @device: device structure
1507  * @key: unique identifier
1508  * @value: string value
1509  *
1510  * Set string value for specific key
1511  */
1512 int connman_device_set_string(struct connman_device *device,
1513                                         const char *key, const char *value)
1514 {
1515         DBG("device %p key %s value %s", device, key, value);
1516
1517         if (g_str_equal(key, "Address") == TRUE) {
1518                 g_free(device->address);
1519                 device->address = g_strdup(value);
1520         } else if (g_str_equal(key, "Name") == TRUE) {
1521                 g_free(device->name);
1522                 device->name = g_strdup(value);
1523         } else if (g_str_equal(key, "Node") == TRUE) {
1524                 g_free(device->node);
1525                 device->node = g_strdup(value);
1526         }
1527
1528         return connman_element_set_string(&device->element, key, value);
1529 }
1530
1531 /**
1532  * connman_device_get_string:
1533  * @device: device structure
1534  * @key: unique identifier
1535  *
1536  * Get string value for specific key
1537  */
1538 const char *connman_device_get_string(struct connman_device *device,
1539                                                         const char *key)
1540 {
1541         DBG("device %p key %s", device, key);
1542
1543         if (g_str_equal(key, "Address") == TRUE)
1544                 return device->address;
1545         else if (g_str_equal(key, "Name") == TRUE)
1546                 return device->name;
1547         else if (g_str_equal(key, "Node") == TRUE)
1548                 return device->node;
1549
1550         return connman_element_get_string(&device->element, key);
1551 }
1552
1553 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1554 {
1555         struct connman_device *device = element->device;
1556         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1557         connman_bool_t powered;
1558
1559         DBG("element %p name %s", element, element->name);
1560
1561         if (device == NULL)
1562                 return;
1563
1564         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1565
1566         if (device->powered == powered)
1567                 return;
1568
1569         set_powered(device, powered);
1570 }
1571
1572 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1573 {
1574         DBG("offlinmode %d", offlinemode);
1575
1576         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1577                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1578
1579         __connman_notifier_offline_mode(offlinemode);
1580
1581         return 0;
1582 }
1583
1584 void __connman_device_increase_connections(struct connman_device *device)
1585 {
1586         device->connections++;
1587 }
1588
1589 void __connman_device_decrease_connections(struct connman_device *device)
1590 {
1591         device->connections--;
1592 }
1593
1594 /**
1595  * connman_device_add_network:
1596  * @device: device structure
1597  * @network: network structure
1598  *
1599  * Add new network to the device
1600  */
1601 int connman_device_add_network(struct connman_device *device,
1602                                         struct connman_network *network)
1603 {
1604         const char *identifier = connman_network_get_identifier(network);
1605         int err;
1606
1607         DBG("device %p network %p", device, network);
1608
1609         switch (device->mode) {
1610         case CONNMAN_DEVICE_MODE_UNKNOWN:
1611         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1612                 return -EINVAL;
1613         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1614         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1615                 break;
1616         }
1617
1618         __connman_network_set_device(network, device);
1619
1620         __connman_storage_load_network(network);
1621
1622         err = connman_element_register((struct connman_element *) network,
1623                                                         &device->element);
1624         if (err < 0) {
1625                 __connman_network_set_device(network, NULL);
1626                 return err;
1627         }
1628
1629         g_hash_table_insert(device->networks, g_strdup(identifier),
1630                                                                 network);
1631
1632         return 0;
1633 }
1634
1635 /**
1636  * connman_device_get_network:
1637  * @device: device structure
1638  * @identifier: network identifier
1639  *
1640  * Get network for given identifier
1641  */
1642 struct connman_network *connman_device_get_network(struct connman_device *device,
1643                                                         const char *identifier)
1644 {
1645         DBG("device %p identifier %s", device, identifier);
1646
1647         return g_hash_table_lookup(device->networks, identifier);
1648 }
1649
1650 /**
1651  * connman_device_remove_network:
1652  * @device: device structure
1653  * @identifier: network identifier
1654  *
1655  * Remove network for given identifier
1656  */
1657 int connman_device_remove_network(struct connman_device *device,
1658                                                         const char *identifier)
1659 {
1660         DBG("device %p identifier %s", device, identifier);
1661
1662         g_hash_table_remove(device->networks, identifier);
1663
1664         return 0;
1665 }
1666
1667 void __connman_device_set_network(struct connman_device *device,
1668                                         struct connman_network *network)
1669 {
1670         const char *name;
1671
1672         if (network != NULL) {
1673                 name = connman_network_get_string(network,
1674                                                 CONNMAN_PROPERTY_ID_NAME);
1675                 device->last_network = g_strdup(name);
1676         }
1677
1678         device->network = network;
1679 }
1680
1681 /**
1682  * connman_device_register:
1683  * @device: device structure
1684  *
1685  * Register device with the system
1686  */
1687 int connman_device_register(struct connman_device *device)
1688 {
1689         __connman_storage_load_device(device);
1690
1691         switch (device->mode) {
1692         case CONNMAN_DEVICE_MODE_UNKNOWN:
1693         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1694                 break;
1695         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1696         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1697                 __connman_storage_init_network(device);
1698                 break;
1699         }
1700
1701         return connman_element_register(&device->element, NULL);
1702 }
1703
1704 /**
1705  * connman_device_unregister:
1706  * @device: device structure
1707  *
1708  * Unregister device with the system
1709  */
1710 void connman_device_unregister(struct connman_device *device)
1711 {
1712         __connman_storage_save_device(device);
1713
1714         connman_element_unregister(&device->element);
1715 }
1716
1717 /**
1718  * connman_device_get_data:
1719  * @device: device structure
1720  *
1721  * Get private device data pointer
1722  */
1723 void *connman_device_get_data(struct connman_device *device)
1724 {
1725         return device->driver_data;
1726 }
1727
1728 /**
1729  * connman_device_set_data:
1730  * @device: device structure
1731  * @data: data pointer
1732  *
1733  * Set private device data pointer
1734  */
1735 void connman_device_set_data(struct connman_device *device, void *data)
1736 {
1737         device->driver_data = data;
1738 }
1739
1740 static gboolean match_driver(struct connman_device *device,
1741                                         struct connman_device_driver *driver)
1742 {
1743         if (device->type == driver->type ||
1744                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1745                 return TRUE;
1746
1747         return FALSE;
1748 }
1749
1750 static int device_probe(struct connman_element *element)
1751 {
1752         struct connman_device *device = element->device;
1753         GSList *list;
1754
1755         DBG("element %p name %s", element, element->name);
1756
1757         if (device == NULL)
1758                 return -ENODEV;
1759
1760         if (device->driver != NULL)
1761                 return -EALREADY;
1762
1763         for (list = driver_list; list; list = list->next) {
1764                 struct connman_device_driver *driver = list->data;
1765
1766                 if (match_driver(device, driver) == FALSE)
1767                         continue;
1768
1769                 DBG("driver %p name %s", driver, driver->name);
1770
1771                 if (driver->probe(device) == 0) {
1772                         device->driver = driver;
1773                         break;
1774                 }
1775         }
1776
1777         if (device->driver == NULL)
1778                 return -ENODEV;
1779
1780         return setup_device(device);
1781 }
1782
1783 static void device_remove(struct connman_element *element)
1784 {
1785         struct connman_device *device = element->device;
1786
1787         DBG("element %p name %s", element, element->name);
1788
1789         if (device == NULL)
1790                 return;
1791
1792         if (device->driver == NULL)
1793                 return;
1794
1795         remove_device(device);
1796 }
1797
1798 static struct connman_driver device_driver = {
1799         .name           = "device",
1800         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1801         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1802         .probe          = device_probe,
1803         .remove         = device_remove,
1804 };
1805
1806 static int device_load(struct connman_device *device)
1807 {
1808         GKeyFile *keyfile;
1809         gchar *pathname, *data = NULL;
1810         gsize length;
1811         char *str;
1812         int val;
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                 g_free(pathname);
1825                 return -ENOENT;
1826         }
1827
1828         g_free(pathname);
1829
1830         if (g_key_file_load_from_data(keyfile, data, length,
1831                                                         0, NULL) == FALSE) {
1832                 g_free(data);
1833                 return -EILSEQ;
1834         }
1835
1836         g_free(data);
1837
1838         str = g_key_file_get_string(keyfile, "Configuration", "Policy", NULL);
1839         if (str != NULL) {
1840                 device->policy = string2policy(str);
1841                 g_free(str);
1842         }
1843
1844         val = g_key_file_get_integer(keyfile, "Configuration",
1845                                                         "Priority", NULL);
1846         if (val > 0)
1847                 device->priority = val;
1848
1849         switch (device->mode) {
1850         case CONNMAN_DEVICE_MODE_UNKNOWN:
1851         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1852                 break;
1853         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1854         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1855                 val = g_key_file_get_integer(keyfile, "Configuration",
1856                                                         "ScanInterval", NULL);
1857                 if (val > 0)
1858                         device->scan_interval = val;
1859                 break;
1860         }
1861
1862 #if 0
1863         str = g_key_file_get_string(keyfile, "Configuration",
1864                                                         "LastNetwork", NULL);
1865         if (str != NULL)
1866                 device->last_network = str;
1867 #endif
1868
1869         g_key_file_free(keyfile);
1870
1871         return 0;
1872 }
1873
1874 static int device_save(struct connman_device *device)
1875 {
1876         GKeyFile *keyfile;
1877         gchar *pathname, *data = NULL;
1878         gsize length;
1879         const char *str;
1880
1881         DBG("device %p", device);
1882
1883         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1884                                                         device->element.name);
1885         if (pathname == NULL)
1886                 return -ENOMEM;
1887
1888         keyfile = g_key_file_new();
1889
1890         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1891                 goto update;
1892
1893         if (length > 0) {
1894                 if (g_key_file_load_from_data(keyfile, data, length,
1895                                                         0, NULL) == FALSE)
1896                         goto done;
1897         }
1898
1899         g_free(data);
1900
1901 update:
1902         str = policy2string(device->policy);
1903         if (str != NULL)
1904                 g_key_file_set_string(keyfile, "Configuration", "Policy", str);
1905
1906         if (device->priority > 0)
1907                 g_key_file_set_integer(keyfile, "Configuration",
1908                                                 "Priority", device->priority);
1909
1910         switch (device->mode) {
1911         case CONNMAN_DEVICE_MODE_UNKNOWN:
1912         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1913                 break;
1914         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1915         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1916                 if (device->scan_interval > 0)
1917                         g_key_file_set_integer(keyfile, "Configuration",
1918                                         "ScanInterval", device->scan_interval);
1919                 break;
1920         }
1921
1922         if (device->last_network != NULL)
1923                 g_key_file_set_string(keyfile, "Configuration",
1924                                         "LastNetwork", device->last_network);
1925
1926         data = g_key_file_to_data(keyfile, &length, NULL);
1927
1928         if (g_file_set_contents(pathname, data, length, NULL) == FALSE)
1929                 connman_error("Failed to store device information");
1930
1931 done:
1932         g_free(data);
1933
1934         g_key_file_free(keyfile);
1935
1936         g_free(pathname);
1937
1938         if (device->network != NULL)
1939                 __connman_storage_save_network(device->network);
1940
1941         return 0;
1942 }
1943
1944 static struct connman_storage device_storage = {
1945         .name           = "device",
1946         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1947         .device_load    = device_load,
1948         .device_save    = device_save,
1949 };
1950
1951 int __connman_device_init(void)
1952 {
1953         DBG("");
1954
1955         connection = connman_dbus_get_connection();
1956
1957         if (connman_storage_register(&device_storage) < 0)
1958                 connman_error("Failed to register device storage");
1959
1960         return connman_driver_register(&device_driver);
1961 }
1962
1963 void __connman_device_cleanup(void)
1964 {
1965         DBG("");
1966
1967         connman_driver_unregister(&device_driver);
1968
1969         connman_storage_unregister(&device_storage);
1970
1971         dbus_connection_unref(connection);
1972 }