ofono: Move netreg strength update into a function
[platform/upstream/connman.git] / plugins / ofono.c
1 /*
2  *
3  *  Connection Manager
4  *
5  *  Copyright (C) 2007-2010  Intel Corporation. All rights reserved.
6  *  Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
7  *  Copyright (C) 2011  BWM Car IT GmbH. All rights reserved.
8  *
9  *  This program is free software; you can redistribute it and/or modify
10  *  it under the terms of the GNU General Public License version 2 as
11  *  published by the Free Software Foundation.
12  *
13  *  This program is distributed in the hope that it will be useful,
14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *  GNU General Public License for more details.
17  *
18  *  You should have received a copy of the GNU General Public License
19  *  along with this program; if not, write to the Free Software
20  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
21  *
22  */
23
24 #ifdef HAVE_CONFIG_H
25 #include <config.h>
26 #endif
27
28 #include <errno.h>
29 #include <stdlib.h>
30
31 #include <gdbus.h>
32 #include <string.h>
33 #include <stdint.h>
34
35 #define CONNMAN_API_SUBJECT_TO_CHANGE
36 #include <connman/plugin.h>
37 #include <connman/device.h>
38 #include <connman/network.h>
39 #include <connman/inet.h>
40 #include <connman/dbus.h>
41 #include <connman/log.h>
42
43 #define uninitialized_var(x) x = x
44
45 #define OFONO_SERVICE                   "org.ofono"
46
47 #define OFONO_MANAGER_INTERFACE         OFONO_SERVICE ".Manager"
48 #define OFONO_MODEM_INTERFACE           OFONO_SERVICE ".Modem"
49 #define OFONO_SIM_INTERFACE             OFONO_SERVICE ".SimManager"
50 #define OFONO_NETREG_INTERFACE          OFONO_SERVICE ".NetworkRegistration"
51 #define OFONO_CM_INTERFACE              OFONO_SERVICE ".ConnectionManager"
52 #define OFONO_CONTEXT_INTERFACE         OFONO_SERVICE ".ConnectionContext"
53
54 #define MODEM_ADDED                     "ModemAdded"
55 #define MODEM_REMOVED                   "ModemRemoved"
56 #define PROPERTY_CHANGED                "PropertyChanged"
57 #define CONTEXT_ADDED                   "ContextAdded"
58 #define CONTEXT_REMOVED                 "ContextRemoved"
59
60 #define GET_PROPERTIES                  "GetProperties"
61 #define SET_PROPERTY                    "SetProperty"
62 #define GET_MODEMS                      "GetModems"
63 #define GET_CONTEXTS                    "GetContexts"
64
65 #define TIMEOUT 40000
66
67 enum ofono_api {
68         OFONO_API_SIM =         0x1,
69         OFONO_API_NETREG =      0x2,
70         OFONO_API_CM =          0x4,
71 };
72
73 /*
74  * The way this plugin works is following:
75  *
76  *   powered -> SubscriberIdentity or Online = True -> gprs, context ->
77  *     attached -> netreg -> ready
78  *
79  * Enabling and disabling modems are steered through the rfkill
80  * interface. That means when ConnMan toggles the rfkill bit oFono
81  * will add or remove the modems.
82  *
83  * ConnMan will always power up (set Powered and Online) the
84  * modems. No need to power them down because this will be done
85  * through the rfkill inteface.
86  */
87
88 static DBusConnection *connection;
89
90 static GHashTable *modem_hash;
91 static GHashTable *context_hash;
92
93 struct network_context {
94         char *path;
95         int index;
96
97         enum connman_ipconfig_method ipv4_method;
98         struct connman_ipaddress *ipv4_address;
99         char *ipv4_nameservers;
100
101         enum connman_ipconfig_method ipv6_method;
102         struct connman_ipaddress *ipv6_address;
103         char *ipv6_nameservers;
104 };
105
106 struct modem_data {
107         char *path;
108
109         struct connman_device *device;
110         struct connman_network *network;
111
112         struct network_context *context;
113
114         /* Modem Interface */
115         char *serial;
116         connman_bool_t powered;
117         connman_bool_t online;
118         uint8_t interfaces;
119         connman_bool_t ignore;
120
121         connman_bool_t set_powered;
122         connman_bool_t set_online;
123
124         /* ConnectionManager Interface */
125         connman_bool_t attached;
126         connman_bool_t cm_powered;
127
128         connman_bool_t set_cm_powered;
129
130         /* ConnectionContext Interface */
131         connman_bool_t active;
132         connman_bool_t set_active;
133
134         /* SimManager Interface */
135         char *imsi;
136
137         /* Netreg Interface */
138         char *name;
139         uint8_t strength;
140
141         /* pending calls */
142         DBusPendingCall *call_set_property;
143         DBusPendingCall *call_get_properties;
144         DBusPendingCall *call_get_contexts;
145 };
146
147 static char *get_ident(const char *path)
148 {
149         char *pos;
150
151         if (*path != '/')
152                 return NULL;
153
154         pos = strrchr(path, '/');
155         if (pos == NULL)
156                 return NULL;
157
158         return pos + 1;
159 }
160
161 static struct network_context *network_context_alloc(const char *path)
162 {
163         struct network_context *context;
164
165         context = g_try_new0(struct network_context, 1);
166         if (context == NULL)
167                 return NULL;
168
169         context->path = g_strdup(path);
170         context->index = -1;
171
172         context->ipv4_method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
173         context->ipv4_address = NULL;
174         context->ipv4_nameservers = NULL;
175
176         context->ipv6_method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
177         context->ipv6_address = NULL;
178         context->ipv6_nameservers = NULL;
179
180         return context;
181 }
182
183 static void network_context_free(struct network_context *context)
184 {
185         g_free(context->path);
186
187         connman_ipaddress_free(context->ipv4_address);
188         g_free(context->ipv4_nameservers);
189
190         connman_ipaddress_free(context->ipv6_address);
191         g_free(context->ipv6_nameservers);
192
193         free(context);
194 }
195
196 static void set_connected(struct modem_data *modem)
197 {
198         connman_bool_t setip = FALSE;
199
200         DBG("%s", modem->path);
201
202         connman_network_set_index(modem->network, modem->context->index);
203
204         switch (modem->context->ipv4_method) {
205         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
206         case CONNMAN_IPCONFIG_METHOD_OFF:
207         case CONNMAN_IPCONFIG_METHOD_MANUAL:
208         case CONNMAN_IPCONFIG_METHOD_AUTO:
209                 break;
210
211         case CONNMAN_IPCONFIG_METHOD_FIXED:
212                 connman_network_set_ipv4_method(modem->network,
213                                                 modem->context->ipv4_method);
214                 connman_network_set_ipaddress(modem->network,
215                                                 modem->context->ipv4_address);
216                 connman_network_set_nameservers(modem->network,
217                                         modem->context->ipv4_nameservers);
218                 setip = TRUE;
219                 break;
220
221         case CONNMAN_IPCONFIG_METHOD_DHCP:
222                 connman_network_set_ipv4_method(modem->network,
223                                                 modem->context->ipv4_method);
224                 setip = TRUE;
225                 break;
226         }
227
228         switch (modem->context->ipv6_method) {
229         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
230         case CONNMAN_IPCONFIG_METHOD_OFF:
231         case CONNMAN_IPCONFIG_METHOD_MANUAL:
232         case CONNMAN_IPCONFIG_METHOD_DHCP:
233         case CONNMAN_IPCONFIG_METHOD_AUTO:
234                 break;
235
236         case CONNMAN_IPCONFIG_METHOD_FIXED:
237                 connman_network_set_ipv6_method(modem->network,
238                                                         modem->context->ipv6_method);
239                 connman_network_set_ipaddress(modem->network,
240                                                         modem->context->ipv6_address);
241                 setip = TRUE;
242                 break;
243         }
244
245         if (setip == TRUE)
246                 connman_network_set_connected(modem->network, TRUE);
247 }
248
249 static void set_disconnected(struct modem_data *modem)
250 {
251         DBG("%s", modem->path);
252
253         connman_network_set_connected(modem->network, FALSE);
254 }
255
256 typedef void (*set_property_cb)(struct modem_data *data,
257                                 connman_bool_t success);
258 typedef void (*get_properties_cb)(struct modem_data *data,
259                                 DBusMessageIter *dict);
260
261 struct property_info {
262         struct modem_data *modem;
263         const char *path;
264         const char *interface;
265         const char *property;
266         set_property_cb set_property_cb;
267         get_properties_cb get_properties_cb;
268 };
269
270 static void set_property_reply(DBusPendingCall *call, void *user_data)
271 {
272         struct property_info *info = user_data;
273         DBusMessage *reply;
274         DBusError error;
275         connman_bool_t success = TRUE;
276
277         DBG("%s path %s %s.%s", info->modem->path,
278                 info->path, info->interface, info->property);
279
280         info->modem->call_set_property = NULL;
281
282         dbus_error_init(&error);
283
284         reply = dbus_pending_call_steal_reply(call);
285
286         if (dbus_set_error_from_message(&error, reply)) {
287                 connman_error("Failed to change property: %s %s.%s: %s %s",
288                                 info->path, info->interface, info->property,
289                                 error.name, error.message);
290                 dbus_error_free(&error);
291                 success = FALSE;
292         }
293
294         if (info->set_property_cb != NULL)
295                 (*info->set_property_cb)(info->modem, success);
296
297         dbus_message_unref(reply);
298
299         dbus_pending_call_unref(call);
300 }
301
302 static int set_property(struct modem_data *modem,
303                         const char *path, const char *interface,
304                         const char *property, int type, void *value,
305                         set_property_cb notify)
306 {
307         DBusMessage *message;
308         DBusMessageIter iter;
309         struct property_info *info;
310
311         DBG("%s path %s %s.%s", modem->path, path, interface, property);
312
313         if (modem->call_set_property != NULL) {
314                 connman_error("Pending SetProperty");
315                 return -EBUSY;
316         }
317
318         message = dbus_message_new_method_call(OFONO_SERVICE, path,
319                                         interface, SET_PROPERTY);
320         if (message == NULL)
321                 return -ENOMEM;
322
323         dbus_message_iter_init_append(message, &iter);
324         connman_dbus_property_append_basic(&iter, property, type, value);
325
326         if (dbus_connection_send_with_reply(connection, message,
327                         &modem->call_set_property, TIMEOUT) == FALSE) {
328                 connman_error("Failed to change property: %s %s.%s",
329                                 path, interface, property);
330                 dbus_message_unref(message);
331                 return -EINVAL;
332         }
333
334         if (modem->call_set_property == NULL) {
335                 connman_error("D-Bus connection not available");
336                 dbus_message_unref(message);
337                 return -EINVAL;
338         }
339
340         info = g_try_new0(struct property_info, 1);
341         if (info == NULL) {
342                 dbus_message_unref(message);
343                 return -ENOMEM;
344         }
345
346         info->modem = modem;
347         info->path = path;
348         info->interface = interface;
349         info->property = property;
350         info->set_property_cb = notify;
351
352         dbus_pending_call_set_notify(modem->call_set_property,
353                                         set_property_reply, info, g_free);
354
355         dbus_message_unref(message);
356
357         return -EINPROGRESS;
358 }
359
360 static void get_properties_reply(DBusPendingCall *call, void *user_data)
361 {
362         struct property_info *info = user_data;
363         DBusMessageIter array, dict;
364         DBusMessage *reply;
365         DBusError error;
366
367         DBG("%s path %s %s", info->modem->path, info->path, info->interface);
368
369         info->modem->call_get_properties = NULL;
370
371         dbus_error_init(&error);
372
373         reply = dbus_pending_call_steal_reply(call);
374
375         if (dbus_set_error_from_message(&error, reply)) {
376                 connman_error("Failed to get properties: %s %s: %s %s",
377                                 info->path, info->interface,
378                                 error.name, error.message);
379                 dbus_error_free(&error);
380
381                 goto done;
382         }
383
384         if (dbus_message_iter_init(reply, &array) == FALSE)
385                 goto done;
386
387         if (dbus_message_iter_get_arg_type(&array) != DBUS_TYPE_ARRAY)
388                 goto done;
389
390         dbus_message_iter_recurse(&array, &dict);
391
392         if (info->get_properties_cb != NULL)
393                 (*info->get_properties_cb)(info->modem, &dict);
394
395 done:
396
397         dbus_message_unref(reply);
398
399         dbus_pending_call_unref(call);
400 }
401
402 static int get_properties(const char *path, const char *interface,
403                                 get_properties_cb notify,
404                                 struct modem_data *modem)
405 {
406         DBusMessage *message;
407         struct property_info *info;
408
409         DBG("%s path %s %s", modem->path, path, interface);
410
411         if (modem->call_get_properties != NULL) {
412                 connman_error("Pending GetProperties");
413                 return -EBUSY;
414         }
415
416         message = dbus_message_new_method_call(OFONO_SERVICE, path,
417                                         interface, GET_PROPERTIES);
418         if (message == NULL)
419                 return -ENOMEM;
420
421         if (dbus_connection_send_with_reply(connection, message,
422                         &modem->call_get_properties, TIMEOUT) == FALSE) {
423                 connman_error("Failed to call %s.GetProperties()", interface);
424                 dbus_message_unref(message);
425                 return -EINVAL;
426         }
427
428         if (modem->call_get_properties == NULL) {
429                 connman_error("D-Bus connection not available");
430                 dbus_message_unref(message);
431                 return -EINVAL;
432         }
433
434         info = g_try_new0(struct property_info, 1);
435         if (info == NULL) {
436                 dbus_message_unref(message);
437                 return -ENOMEM;
438         }
439
440         info->modem = modem;
441         info->path = path;
442         info->interface = interface;
443         info->get_properties_cb = notify;
444
445         dbus_pending_call_set_notify(modem->call_get_properties,
446                                         get_properties_reply, info, g_free);
447
448         dbus_message_unref(message);
449
450         return -EINPROGRESS;
451 }
452
453 static void context_set_active_reply(struct modem_data *modem,
454                                         connman_bool_t success)
455 {
456         DBG("%s", modem->path);
457
458         if (success == TRUE) {
459                 /*
460                  * Don't handle do anything on success here. oFono will send
461                  * the change via PropertyChanged singal.
462                  */
463                 return;
464         }
465
466         /*
467          * Active = True might fail due a timeout. That means oFono
468          * still tries to go online. If we retry to set Active = True,
469          * we just get a InProgress error message. Should we power
470          * cycle the modem in such cases?
471          */
472
473         connman_network_set_error(modem->network,
474                                 CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
475 }
476
477 static int context_set_active(struct modem_data *modem)
478 {
479         dbus_bool_t active = TRUE;
480
481         DBG("%s", modem->path);
482
483         return set_property(modem, modem->context->path,
484                                 OFONO_CONTEXT_INTERFACE,
485                                 "Active", DBUS_TYPE_BOOLEAN,
486                                 &active,
487                                 context_set_active_reply);
488 }
489
490 static int context_set_inactive(struct modem_data *modem)
491 {
492         dbus_bool_t active = FALSE;
493         int err;
494
495         DBG("%s", modem->path);
496
497         err = set_property(modem, modem->context->path,
498                                 OFONO_CONTEXT_INTERFACE,
499                                 "Active", DBUS_TYPE_BOOLEAN,
500                                 &active,
501                                 NULL);
502         if (err == -EINPROGRESS)
503                 return 0;
504
505         return err;
506 }
507
508 static void modem_set_online_reply(struct modem_data *modem,
509                                         connman_bool_t success)
510 {
511         DBG("%s", modem->path);
512
513         if (success == TRUE) {
514                 /*
515                  * Don't handle do anything on success here. oFono will send
516                  * the change via PropertyChanged singal.
517                  */
518                 return;
519         }
520
521         modem->set_online = FALSE;
522 }
523
524 static int modem_set_online(struct modem_data *modem)
525 {
526         DBG("%s", modem->path);
527
528         modem->set_online = TRUE;
529
530         return set_property(modem, modem->path,
531                                 OFONO_MODEM_INTERFACE,
532                                 "Online", DBUS_TYPE_BOOLEAN,
533                                 &modem->set_online,
534                                 modem_set_online_reply);
535 }
536
537 static void cm_set_powered_reply(struct modem_data *modem,
538                                         connman_bool_t success)
539 {
540         DBG("%s", modem->path);
541
542         if (success == TRUE) {
543                 /*
544                  * Don't handle do anything on success here. oFono will send
545                  * the change via PropertyChanged singal.
546                  */
547                 return;
548         }
549
550         modem->set_cm_powered = FALSE;
551 }
552
553 static int cm_set_powered(struct modem_data *modem)
554 {
555         DBG("%s", modem->path);
556
557         modem->set_cm_powered = TRUE;
558
559         return set_property(modem, modem->path,
560                                 OFONO_CM_INTERFACE,
561                                 "Powered", DBUS_TYPE_BOOLEAN,
562                                 &modem->set_cm_powered,
563                                 cm_set_powered_reply);
564 }
565
566 static int modem_set_powered(struct modem_data *modem)
567 {
568         DBG("%s", modem->path);
569
570         modem->set_powered = TRUE;
571
572         return set_property(modem, modem->path,
573                                 OFONO_MODEM_INTERFACE,
574                                 "Powered", DBUS_TYPE_BOOLEAN,
575                                 &modem->set_powered,
576                                 NULL);
577 }
578
579 static int modem_set_unpowered(struct modem_data *modem)
580 {
581         DBG("%s", modem->path);
582
583         modem->set_powered = FALSE;
584
585         return set_property(modem, modem->path,
586                                 OFONO_MODEM_INTERFACE,
587                                 "Powered", DBUS_TYPE_BOOLEAN,
588                                 &modem->set_powered,
589                                 NULL);
590 }
591
592 static connman_bool_t has_interface(uint8_t interfaces,
593                                         enum ofono_api api)
594 {
595         if ((interfaces & api) == api)
596                 return TRUE;
597
598         return FALSE;
599 }
600
601 static uint8_t extract_interfaces(DBusMessageIter *array)
602 {
603         DBusMessageIter entry;
604         uint8_t interfaces = 0;
605
606         dbus_message_iter_recurse(array, &entry);
607
608         while (dbus_message_iter_get_arg_type(&entry) == DBUS_TYPE_STRING) {
609                 const char *name;
610
611                 dbus_message_iter_get_basic(&entry, &name);
612
613                 if (g_str_equal(name, OFONO_SIM_INTERFACE) == TRUE)
614                         interfaces |= OFONO_API_SIM;
615                 else if (g_str_equal(name, OFONO_NETREG_INTERFACE) == TRUE)
616                         interfaces |= OFONO_API_NETREG;
617                 else if (g_str_equal(name, OFONO_CM_INTERFACE) == TRUE)
618                         interfaces |= OFONO_API_CM;
619
620                 dbus_message_iter_next(&entry);
621         }
622
623         return interfaces;
624 }
625
626 static char *extract_nameservers(DBusMessageIter *array)
627 {
628         DBusMessageIter entry;
629         char *nameservers = NULL;
630         char *tmp;
631
632         dbus_message_iter_recurse(array, &entry);
633
634         while (dbus_message_iter_get_arg_type(&entry) == DBUS_TYPE_STRING) {
635                 const char *nameserver;
636
637                 dbus_message_iter_get_basic(&entry, &nameserver);
638
639                 if (nameservers == NULL) {
640                         nameservers = g_strdup(nameserver);
641                 } else {
642                         tmp = nameservers;
643                         nameservers = g_strdup_printf("%s %s", tmp, nameserver);
644                         g_free(tmp);
645                 }
646
647                 dbus_message_iter_next(&entry);
648         }
649
650         return nameservers;
651 }
652
653 static void extract_ipv4_settings(DBusMessageIter *array,
654                                 struct network_context *context)
655 {
656         DBusMessageIter dict;
657         char *address = NULL, *netmask = NULL, *gateway = NULL;
658         char *nameservers = NULL;
659         const char *interface = NULL;
660         int index = -1;
661
662         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
663                 return;
664
665         dbus_message_iter_recurse(array, &dict);
666
667         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
668                 DBusMessageIter entry, value;
669                 const char *key, *val;
670
671                 dbus_message_iter_recurse(&dict, &entry);
672                 dbus_message_iter_get_basic(&entry, &key);
673
674                 dbus_message_iter_next(&entry);
675                 dbus_message_iter_recurse(&entry, &value);
676
677                 if (g_str_equal(key, "Interface") == TRUE) {
678                         dbus_message_iter_get_basic(&value, &interface);
679
680                         DBG("Interface %s", interface);
681
682                         index = connman_inet_ifindex(interface);
683
684                         DBG("index %d", index);
685                 } else if (g_str_equal(key, "Method") == TRUE) {
686                         dbus_message_iter_get_basic(&value, &val);
687
688                         DBG("Method %s", val);
689
690                         if (g_strcmp0(val, "static") == 0) {
691                                 context->ipv4_method = CONNMAN_IPCONFIG_METHOD_FIXED;
692                         } else if (g_strcmp0(val, "dhcp") == 0) {
693                                 context->ipv4_method = CONNMAN_IPCONFIG_METHOD_DHCP;
694                                 break;
695                         }
696                 } else if (g_str_equal(key, "Address") == TRUE) {
697                         dbus_message_iter_get_basic(&value, &val);
698
699                         address = g_strdup(val);
700
701                         DBG("Address %s", address);
702                 } else if (g_str_equal(key, "Netmask") == TRUE) {
703                         dbus_message_iter_get_basic(&value, &val);
704
705                         netmask = g_strdup(val);
706
707                         DBG("Netmask %s", netmask);
708                 } else if (g_str_equal(key, "DomainNameServers") == TRUE) {
709                         nameservers = extract_nameservers(&value);
710
711                         DBG("Nameservers %s", nameservers);
712                 } else if (g_str_equal(key, "Gateway") == TRUE) {
713                         dbus_message_iter_get_basic(&value, &val);
714
715                         gateway = g_strdup(val);
716
717                         DBG("Gateway %s", gateway);
718                 }
719
720                 dbus_message_iter_next(&dict);
721         }
722
723         if (index < 0)
724                 goto out;
725
726         if (context->ipv4_method != CONNMAN_IPCONFIG_METHOD_FIXED)
727                 goto out;
728
729         context->ipv4_address = connman_ipaddress_alloc(CONNMAN_IPCONFIG_TYPE_IPV4);
730         if (context->ipv4_address == NULL)
731                 goto out;
732
733         context->index = index;
734         connman_ipaddress_set_ipv4(context->ipv4_address, address,
735                                 netmask, gateway);
736
737         context->ipv4_nameservers = nameservers;
738
739 out:
740         if (context->ipv4_nameservers != nameservers)
741                 g_free(nameservers);
742
743         g_free(address);
744         g_free(netmask);
745         g_free(gateway);
746 }
747
748 static void extract_ipv6_settings(DBusMessageIter *array,
749                                 struct network_context *context)
750 {
751         DBusMessageIter dict;
752         char *address = NULL, *gateway = NULL;
753         unsigned char prefix_length;
754         char *nameservers = NULL;
755         const char *interface = NULL;
756         int index = -1;
757
758         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
759                 return;
760
761         dbus_message_iter_recurse(array, &dict);
762
763         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
764                 DBusMessageIter entry, value;
765                 const char *key, *val;
766
767                 dbus_message_iter_recurse(&dict, &entry);
768                 dbus_message_iter_get_basic(&entry, &key);
769
770                 dbus_message_iter_next(&entry);
771                 dbus_message_iter_recurse(&entry, &value);
772
773                 if (g_str_equal(key, "Interface") == TRUE) {
774                         dbus_message_iter_get_basic(&value, &interface);
775
776                         DBG("Interface %s", interface);
777
778                         index = connman_inet_ifindex(interface);
779
780                         DBG("index %d", index);
781                 } else if (g_str_equal(key, "Address") == TRUE) {
782                         dbus_message_iter_get_basic(&value, &val);
783
784                         address = g_strdup(val);
785
786                         DBG("Address %s", address);
787                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
788                         dbus_message_iter_get_basic(&value, &prefix_length);
789
790                         DBG("prefix length %d", prefix_length);
791                 } else if (g_str_equal(key, "DomainNameServers") == TRUE) {
792                         nameservers = extract_nameservers(&value);
793
794                         DBG("Nameservers %s", nameservers);
795                 } else if (g_str_equal(key, "Gateway") == TRUE) {
796                         dbus_message_iter_get_basic(&value, &val);
797
798                         gateway = g_strdup(val);
799
800                         DBG("Gateway %s", gateway);
801                 }
802
803                 dbus_message_iter_next(&dict);
804         }
805
806         if (index < 0)
807                 goto out;
808
809         context->ipv6_method = CONNMAN_IPCONFIG_METHOD_FIXED;
810
811         context->ipv6_address =
812                 connman_ipaddress_alloc(CONNMAN_IPCONFIG_TYPE_IPV6);
813         if (context->ipv6_address == NULL)
814                 goto out;
815
816         context->index = index;
817         connman_ipaddress_set_ipv6(context->ipv6_address, address,
818                                 prefix_length, gateway);
819
820         context->ipv6_nameservers = nameservers;
821
822 out:
823         if (context->ipv6_nameservers != nameservers)
824                 g_free(nameservers);
825
826         g_free(address);
827         g_free(gateway);
828 }
829
830 static connman_bool_t ready_to_create_device(struct modem_data *modem)
831 {
832         /*
833          * There are three different modem types which behave slightly
834          * different:
835          * - GSM modems will expose the SIM interface then the
836          *   CM interface.
837          * - DUN modems will expose first a unique serial number (BDADDR)
838          *   and then the CM interface.
839          * - CDMA modems will expose CM first and sometime later
840          *   a unique serial number.
841          *
842          * This functions tests if we have the necessary information gathered
843          * before we are able to create a device.
844          */
845
846         if (modem->device != NULL)
847                 return FALSE;
848
849         if (modem->imsi != NULL || modem->serial != NULL)
850                 return TRUE;
851
852         return FALSE;
853 }
854
855 static void create_device(struct modem_data *modem)
856 {
857         struct connman_device *device;
858         char *uninitialized_var(ident);
859
860         DBG("%s", modem->path);
861
862         if (modem->imsi != NULL)
863                 ident = modem->imsi;
864         else if (modem->serial != NULL)
865                 ident = modem->serial;
866
867         if (connman_dbus_validate_ident(ident) == FALSE)
868                 ident = connman_dbus_encode_string(ident);
869         else
870                 ident = g_strdup(ident);
871
872         device = connman_device_create(ident, CONNMAN_DEVICE_TYPE_CELLULAR);
873         if (device == NULL)
874                 goto out;
875
876         DBG("device %p", device);
877
878         connman_device_set_ident(device, ident);
879
880         connman_device_set_string(device, "Path", modem->path);
881
882         connman_device_set_data(device, modem);
883
884         if (connman_device_register(device) < 0) {
885                 connman_error("Failed to register cellular device");
886                 connman_device_unref(device);
887                 goto out;
888         }
889
890         modem->device = device;
891
892 out:
893         g_free(ident);
894 }
895
896 static void destroy_device(struct modem_data *modem)
897 {
898         DBG("%s", modem->path);
899
900         connman_device_set_powered(modem->device, FALSE);
901
902         if (modem->network != NULL) {
903                 connman_device_remove_network(modem->device, modem->network);
904                 connman_network_unref(modem->network);
905                 modem->network = NULL;
906         }
907
908         connman_device_unregister(modem->device);
909         connman_device_unref(modem->device);
910
911         modem->device = NULL;
912 }
913
914 static void add_network(struct modem_data *modem)
915 {
916         const char *group;
917
918         DBG("%s", modem->path);
919
920         if (modem->network != NULL)
921                 return;
922
923         modem->network = connman_network_create(modem->context->path,
924                                                 CONNMAN_NETWORK_TYPE_CELLULAR);
925         if (modem->network == NULL)
926                 return;
927
928         DBG("network %p", modem->network);
929
930         connman_network_set_data(modem->network, modem);
931
932         connman_network_set_string(modem->network, "Path",
933                                         modem->context->path);
934
935         connman_network_set_index(modem->network, modem->context->index);
936
937         if (modem->name != NULL)
938                 connman_network_set_name(modem->network, modem->name);
939         else
940                 connman_network_set_name(modem->network, "");
941
942         connman_network_set_strength(modem->network, modem->strength);
943
944         group = get_ident(modem->context->path);
945         connman_network_set_group(modem->network, group);
946
947         connman_network_set_available(modem->network, TRUE);
948
949         if (connman_device_add_network(modem->device, modem->network) < 0) {
950                 connman_network_unref(modem->network);
951                 modem->network = NULL;
952                 return;
953         }
954 }
955
956 static int add_cm_context(struct modem_data *modem, const char *context_path,
957                                 DBusMessageIter *dict)
958 {
959         const char *context_type;
960         struct network_context *context = NULL;
961         connman_bool_t active = FALSE;
962
963         DBG("%s context path %s", modem->path, context_path);
964
965         if (modem->context != NULL) {
966                 /*
967                  * We have already assigned a context to this modem
968                  * and we do only support one Internet context.
969                  */
970                 return -EALREADY;
971         }
972
973         context = network_context_alloc(context_path);
974         if (context == NULL)
975                 return -ENOMEM;
976
977         while (dbus_message_iter_get_arg_type(dict) == DBUS_TYPE_DICT_ENTRY) {
978                 DBusMessageIter entry, value;
979                 const char *key;
980
981                 dbus_message_iter_recurse(dict, &entry);
982                 dbus_message_iter_get_basic(&entry, &key);
983
984                 dbus_message_iter_next(&entry);
985                 dbus_message_iter_recurse(&entry, &value);
986
987                 if (g_str_equal(key, "Type") == TRUE) {
988                         dbus_message_iter_get_basic(&value, &context_type);
989
990                         DBG("%s context %s type %s", modem->path,
991                                 context_path, context_type);
992                 } else if (g_str_equal(key, "Settings") == TRUE) {
993                         DBG("%s Settings", modem->path);
994
995                         extract_ipv4_settings(&value, context);
996                 } else if (g_str_equal(key, "IPv6.Settings") == TRUE) {
997                         DBG("%s IPv6.Settings", modem->path);
998
999                         extract_ipv6_settings(&value, context);
1000                 } else if (g_str_equal(key, "Active") == TRUE) {
1001                         dbus_message_iter_get_basic(&value, &active);
1002
1003                         DBG("%s Active %d", modem->path, active);
1004                 }
1005
1006                 dbus_message_iter_next(dict);
1007         }
1008
1009         if (g_strcmp0(context_type, "internet") != 0) {
1010                 network_context_free(context);
1011                 return -EINVAL;
1012         }
1013
1014         modem->context = context;
1015         modem->active = active;
1016
1017         g_hash_table_replace(context_hash, g_strdup(context_path), modem);
1018
1019         return 0;
1020 }
1021
1022 static void remove_cm_context(struct modem_data *modem,
1023                                 const char *context_path)
1024 {
1025         if (modem->context == NULL)
1026                 return;
1027
1028         g_hash_table_remove(context_hash, context_path);
1029
1030         network_context_free(modem->context);
1031         modem->context = NULL;
1032 }
1033
1034 static gboolean context_changed(DBusConnection *connection,
1035                                 DBusMessage *message,
1036                                 void *user_data)
1037 {
1038         const char *context_path = dbus_message_get_path(message);
1039         struct modem_data *modem = NULL;
1040         DBusMessageIter iter, value;
1041         const char *key;
1042
1043         DBG("context_path %s", context_path);
1044
1045         modem = g_hash_table_lookup(context_hash, context_path);
1046         if (modem == NULL)
1047                 return TRUE;
1048
1049         if (dbus_message_iter_init(message, &iter) == FALSE)
1050                 return TRUE;
1051
1052         dbus_message_iter_get_basic(&iter, &key);
1053
1054         dbus_message_iter_next(&iter);
1055         dbus_message_iter_recurse(&iter, &value);
1056
1057         /*
1058          * oFono guarantees the ordering of Settings and
1059          * Active. Settings will always be send before Active = True.
1060          * That means we don't have to order here.
1061          */
1062         if (g_str_equal(key, "Settings") == TRUE) {
1063                 DBG("%s Settings", modem->path);
1064
1065                 extract_ipv4_settings(&value, modem->context);
1066         } else if (g_str_equal(key, "IPv6.Settings") == TRUE) {
1067                 DBG("%s IPv6.Settings", modem->path);
1068
1069                 extract_ipv6_settings(&value, modem->context);
1070         } else if (g_str_equal(key, "Active") == TRUE) {
1071                 dbus_message_iter_get_basic(&value, &modem->active);
1072
1073                 DBG("%s Active %d", modem->path, modem->active);
1074
1075                 if (modem->active == TRUE)
1076                         set_connected(modem);
1077                 else
1078                         set_disconnected(modem);
1079         }
1080
1081         return TRUE;
1082 }
1083
1084 static void cm_get_contexts_reply(DBusPendingCall *call, void *user_data)
1085 {
1086         struct modem_data *modem = user_data;
1087         DBusMessageIter array, dict, entry, value;
1088         DBusMessage *reply;
1089         DBusError error;
1090
1091         DBG("%s", modem->path);
1092
1093         modem->call_get_contexts = NULL;
1094
1095         reply = dbus_pending_call_steal_reply(call);
1096
1097         dbus_error_init(&error);
1098
1099         if (dbus_set_error_from_message(&error, reply) == TRUE) {
1100                 connman_error("%s", error.message);
1101                 dbus_error_free(&error);
1102                 goto done;
1103         }
1104
1105         if (dbus_message_iter_init(reply, &array) == FALSE)
1106                 goto done;
1107
1108         if (dbus_message_iter_get_arg_type(&array) != DBUS_TYPE_ARRAY)
1109                 goto done;
1110
1111         dbus_message_iter_recurse(&array, &dict);
1112
1113         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_STRUCT) {
1114                 const char *context_path;
1115
1116                 dbus_message_iter_recurse(&dict, &entry);
1117                 dbus_message_iter_get_basic(&entry, &context_path);
1118
1119                 dbus_message_iter_next(&entry);
1120                 dbus_message_iter_recurse(&entry, &value);
1121
1122                 if (add_cm_context(modem, context_path, &value) == 0)
1123                         break;
1124
1125                 dbus_message_iter_next(&dict);
1126         }
1127
1128 done:
1129         dbus_message_unref(reply);
1130
1131         dbus_pending_call_unref(call);
1132 }
1133
1134 static int cm_get_contexts(struct modem_data *modem)
1135 {
1136         DBusMessage *message;
1137
1138         DBG("%s", modem->path);
1139
1140         if (modem->call_get_contexts != NULL)
1141                 return -EBUSY;
1142
1143         message = dbus_message_new_method_call(OFONO_SERVICE, modem->path,
1144                                         OFONO_CM_INTERFACE, GET_CONTEXTS);
1145         if (message == NULL)
1146                 return -ENOMEM;
1147
1148         if (dbus_connection_send_with_reply(connection, message,
1149                         &modem->call_get_contexts, TIMEOUT) == FALSE) {
1150                 connman_error("Failed to call GetContexts()");
1151                 dbus_message_unref(message);
1152                 return -EINVAL;
1153         }
1154
1155         if (modem->call_get_contexts == NULL) {
1156                 connman_error("D-Bus connection not available");
1157                 dbus_message_unref(message);
1158                 return -EINVAL;
1159         }
1160
1161         dbus_pending_call_set_notify(modem->call_get_contexts,
1162                                         cm_get_contexts_reply,
1163                                         modem, NULL);
1164
1165         dbus_message_unref(message);
1166
1167         return -EINPROGRESS;
1168 }
1169
1170 static gboolean cm_context_added(DBusConnection *connection,
1171                                         DBusMessage *message,
1172                                         void *user_data)
1173 {
1174         const char *path = dbus_message_get_path(message);
1175         char *context_path;
1176         struct modem_data *modem;
1177         DBusMessageIter iter, properties;
1178
1179         DBG("%s", path);
1180
1181         modem = g_hash_table_lookup(modem_hash, context_path);
1182         if (modem == NULL)
1183                 return TRUE;
1184
1185         if (dbus_message_iter_init(message, &iter) == FALSE)
1186                 return TRUE;
1187
1188         dbus_message_iter_get_basic(&iter, &context_path);
1189
1190         dbus_message_iter_next(&iter);
1191         dbus_message_iter_recurse(&iter, &properties);
1192
1193         if (add_cm_context(modem, context_path, &properties) != 0)
1194                 return TRUE;
1195
1196         return TRUE;
1197 }
1198
1199 static gboolean cm_context_removed(DBusConnection *connection,
1200                                         DBusMessage *message,
1201                                         void *user_data)
1202 {
1203         const char *path = dbus_message_get_path(message);
1204         const char *context_path;
1205         struct modem_data *modem;
1206         DBusMessageIter iter;
1207
1208         DBG("context path %s", path);
1209
1210         if (dbus_message_iter_init(message, &iter) == FALSE)
1211                 return TRUE;
1212
1213         dbus_message_iter_get_basic(&iter, &context_path);
1214
1215         modem = g_hash_table_lookup(context_hash, context_path);
1216         if (modem == NULL)
1217                 return TRUE;
1218
1219         remove_cm_context(modem, context_path);
1220
1221         return TRUE;
1222 }
1223
1224 static void netreg_update_name(struct modem_data *modem,
1225                                 DBusMessageIter* value)
1226 {
1227         char *name;
1228
1229         dbus_message_iter_get_basic(value, &name);
1230
1231         DBG("%s Name %s", modem->path, name);
1232
1233         g_free(modem->name);
1234         modem->name = g_strdup(name);
1235
1236         if (modem->network == NULL)
1237                 return;
1238
1239         connman_network_set_name(modem->network, modem->name);
1240         connman_network_update(modem->network);
1241 }
1242
1243 static void netreg_update_strength(struct modem_data *modem,
1244                                         DBusMessageIter *value)
1245 {
1246         dbus_message_iter_get_basic(value, &modem->strength);
1247
1248         DBG("%s Strength %d", modem->path, modem->strength);
1249
1250         if (modem->network == NULL)
1251                 return;
1252
1253         connman_network_set_strength(modem->network, modem->strength);
1254         connman_network_update(modem->network);
1255 }
1256
1257 static gboolean netreg_changed(DBusConnection *connection, DBusMessage *message,
1258                                 void *user_data)
1259 {
1260         const char *path = dbus_message_get_path(message);
1261         struct modem_data *modem;
1262         DBusMessageIter iter, value;
1263         const char *key;
1264
1265         modem = g_hash_table_lookup(modem_hash, path);
1266         if (modem == NULL)
1267                 return TRUE;
1268
1269         if (modem->ignore == TRUE)
1270                 return TRUE;
1271
1272         if (dbus_message_iter_init(message, &iter) == FALSE)
1273                 return TRUE;
1274
1275         dbus_message_iter_get_basic(&iter, &key);
1276
1277         dbus_message_iter_next(&iter);
1278         dbus_message_iter_recurse(&iter, &value);
1279
1280         if (g_str_equal(key, "Name") == TRUE) {
1281                 netreg_update_name(modem, &value);
1282         } else if (g_str_equal(key, "Strength") == TRUE) {
1283                 netreg_update_strength(modem, &value);
1284         }
1285
1286         return TRUE;
1287 }
1288
1289 static void netreg_properties_reply(struct modem_data *modem,
1290                                         DBusMessageIter *dict)
1291 {
1292         DBG("%s", modem->path);
1293
1294         while (dbus_message_iter_get_arg_type(dict) == DBUS_TYPE_DICT_ENTRY) {
1295                 DBusMessageIter entry, value;
1296                 const char *key;
1297
1298                 dbus_message_iter_recurse(dict, &entry);
1299                 dbus_message_iter_get_basic(&entry, &key);
1300
1301                 dbus_message_iter_next(&entry);
1302                 dbus_message_iter_recurse(&entry, &value);
1303
1304                 if (g_str_equal(key, "Name") == TRUE) {
1305                         netreg_update_name(modem, &value);
1306                 } else if (g_str_equal(key, "Strength") == TRUE) {
1307                         netreg_update_strength(modem, &value);
1308                 }
1309
1310                 dbus_message_iter_next(dict);
1311         }
1312
1313         if (modem->context == NULL) {
1314                 /*
1315                  * netgreg_get_properties() was issued after we got
1316                  * cm_get_contexts_reply() where we create the
1317                  * context. Though before we got the
1318                  * netreg_properties_reply the context was removed
1319                  * again. Therefore we have to skip the network
1320                  * creation.
1321                  */
1322                 return;
1323         }
1324
1325         add_network(modem);
1326
1327         if (modem->active == TRUE)
1328                 set_connected(modem);
1329 }
1330
1331 static int netreg_get_properties(struct modem_data *modem)
1332 {
1333         return get_properties(modem->path, OFONO_NETREG_INTERFACE,
1334                         netreg_properties_reply, modem);
1335 }
1336
1337 static gboolean cm_changed(DBusConnection *connection, DBusMessage *message,
1338                                 void *user_data)
1339 {
1340         const char *path = dbus_message_get_path(message);
1341         struct modem_data *modem;
1342         DBusMessageIter iter, value;
1343         const char *key;
1344
1345         modem = g_hash_table_lookup(modem_hash, path);
1346         if (modem == NULL)
1347                 return TRUE;
1348
1349         if (modem->ignore == TRUE)
1350                 return TRUE;
1351
1352         if (dbus_message_iter_init(message, &iter) == FALSE)
1353                 return TRUE;
1354
1355         dbus_message_iter_get_basic(&iter, &key);
1356
1357         dbus_message_iter_next(&iter);
1358         dbus_message_iter_recurse(&iter, &value);
1359
1360         if (g_str_equal(key, "Attached") == TRUE) {
1361                 dbus_message_iter_get_basic(&value, &modem->attached);
1362
1363                 DBG("%s Attached %d", modem->path, modem->attached);
1364
1365                 if (modem->attached == TRUE) {
1366                         if (has_interface(modem->interfaces,
1367                                                 OFONO_API_NETREG) == TRUE) {
1368                                 netreg_get_properties(modem);
1369                         }
1370                 }
1371         } else if (g_str_equal(key, "Powered") == TRUE) {
1372                 dbus_message_iter_get_basic(&value, &modem->cm_powered);
1373
1374                 DBG("%s ConnnectionManager Powered %d", modem->path,
1375                         modem->cm_powered);
1376
1377                 if (modem->cm_powered == FALSE)
1378                         cm_set_powered(modem);
1379         }
1380
1381         return TRUE;
1382 }
1383
1384 static void cm_properties_reply(struct modem_data *modem, DBusMessageIter *dict)
1385 {
1386         DBG("%s", modem->path);
1387
1388         while (dbus_message_iter_get_arg_type(dict) == DBUS_TYPE_DICT_ENTRY) {
1389                 DBusMessageIter entry, value;
1390                 const char *key;
1391
1392                 dbus_message_iter_recurse(dict, &entry);
1393                 dbus_message_iter_get_basic(&entry, &key);
1394
1395                 dbus_message_iter_next(&entry);
1396                 dbus_message_iter_recurse(&entry, &value);
1397
1398                 if (g_str_equal(key, "Attached") == TRUE) {
1399                         dbus_message_iter_get_basic(&value, &modem->attached);
1400
1401                         DBG("%s Attached %d", modem->path,
1402                                 modem->attached);
1403
1404                         if (modem->attached == TRUE) {
1405                                 if (has_interface(modem->interfaces,
1406                                                 OFONO_API_NETREG) == TRUE) {
1407                                         netreg_get_properties(modem);
1408                                 }
1409                         }
1410                 } else if (g_str_equal(key, "Powered") == TRUE) {
1411                         dbus_message_iter_get_basic(&value, &modem->cm_powered);
1412
1413                         DBG("%s ConnnectionManager Powered %d", modem->path,
1414                                 modem->cm_powered);
1415
1416                         if (modem->cm_powered == FALSE)
1417                                 cm_set_powered(modem);
1418                 }
1419
1420                 dbus_message_iter_next(dict);
1421         }
1422 }
1423
1424 static int cm_get_properties(struct modem_data *modem)
1425 {
1426         return get_properties(modem->path, OFONO_CM_INTERFACE,
1427                                 cm_properties_reply, modem);
1428 }
1429
1430 static void update_sim_imsi(struct modem_data *modem,
1431                                 const char *imsi)
1432 {
1433         DBG("%s imsi %s", modem->path, imsi);
1434
1435         if (g_strcmp0(modem->imsi, imsi) == 0)
1436                 return;
1437
1438         g_free(modem->imsi);
1439         modem->imsi = g_strdup(imsi);
1440 }
1441
1442 static gboolean sim_changed(DBusConnection *connection, DBusMessage *message,
1443                                 void *user_data)
1444 {
1445         const char *path = dbus_message_get_path(message);
1446         struct modem_data *modem;
1447         DBusMessageIter iter, value;
1448         const char *key;
1449
1450         modem = g_hash_table_lookup(modem_hash, path);
1451         if (modem == NULL)
1452                 return TRUE;
1453
1454         if (modem->ignore == TRUE)
1455                 return TRUE;
1456
1457         if (dbus_message_iter_init(message, &iter) == FALSE)
1458                 return TRUE;
1459
1460         dbus_message_iter_get_basic(&iter, &key);
1461
1462         dbus_message_iter_next(&iter);
1463         dbus_message_iter_recurse(&iter, &value);
1464
1465         if (g_str_equal(key, "SubscriberIdentity") == TRUE) {
1466                 char *imsi;
1467
1468                 dbus_message_iter_get_basic(&value, &imsi);
1469
1470                 update_sim_imsi(modem, imsi);
1471
1472                 if (modem->online == FALSE) {
1473                         modem_set_online(modem);
1474                 } else if (has_interface(modem->interfaces,
1475                                                 OFONO_API_CM) == TRUE) {
1476                         if (ready_to_create_device(modem) == TRUE)
1477                                 create_device(modem);
1478                 }
1479         }
1480
1481         return TRUE;
1482 }
1483
1484 static void sim_properties_reply(struct modem_data *modem,
1485                                         DBusMessageIter *dict)
1486 {
1487         DBG("%s", modem->path);
1488
1489         while (dbus_message_iter_get_arg_type(dict) == DBUS_TYPE_DICT_ENTRY) {
1490                 DBusMessageIter entry, value;
1491                 const char *key;
1492
1493                 dbus_message_iter_recurse(dict, &entry);
1494                 dbus_message_iter_get_basic(&entry, &key);
1495
1496                 dbus_message_iter_next(&entry);
1497                 dbus_message_iter_recurse(&entry, &value);
1498
1499                 if (g_str_equal(key, "SubscriberIdentity") == TRUE) {
1500                         char *imsi;
1501
1502                         dbus_message_iter_get_basic(&value, &imsi);
1503
1504                         update_sim_imsi(modem, imsi);
1505
1506                         if (modem->online == FALSE) {
1507                                 modem_set_online(modem);
1508                                 break;
1509                         }
1510
1511                         if (has_interface(modem->interfaces, OFONO_API_CM) == TRUE) {
1512                                 if (ready_to_create_device(modem) == TRUE)
1513                                         create_device(modem);
1514                                 if (modem->device != NULL) {
1515                                         cm_get_properties(modem);
1516                                         cm_get_contexts(modem);
1517                                 }
1518                         }
1519                         return;
1520                 }
1521
1522                 dbus_message_iter_next(dict);
1523         }
1524 }
1525
1526 static int sim_get_properties(struct modem_data *modem)
1527 {
1528         return get_properties(modem->path, OFONO_SIM_INTERFACE,
1529                         sim_properties_reply, modem);
1530 }
1531
1532 static gboolean modem_changed(DBusConnection *connection, DBusMessage *message,
1533                                 void *user_data)
1534 {
1535         const char *path = dbus_message_get_path(message);
1536         struct modem_data *modem;
1537         DBusMessageIter iter, value;
1538         const char *key;
1539
1540         modem = g_hash_table_lookup(modem_hash, path);
1541         if (modem == NULL)
1542                 return TRUE;
1543
1544         if (modem->ignore == TRUE)
1545                 return TRUE;
1546
1547         if (dbus_message_iter_init(message, &iter) == FALSE)
1548                 return TRUE;
1549
1550         dbus_message_iter_get_basic(&iter, &key);
1551
1552         dbus_message_iter_next(&iter);
1553         dbus_message_iter_recurse(&iter, &value);
1554
1555         if (g_str_equal(key, "Powered") == TRUE) {
1556                 dbus_message_iter_get_basic(&value, &modem->powered);
1557
1558                 DBG("%s Powered %d", modem->path, modem->powered);
1559
1560                 if (modem->powered == FALSE)
1561                         modem_set_powered(modem);
1562         } else if (g_str_equal(key, "Online") == TRUE) {
1563                 dbus_message_iter_get_basic(&value, &modem->online);
1564
1565                 DBG("%s Online %d", modem->path, modem->online);
1566
1567                 if (modem->online == FALSE)
1568                         return TRUE;
1569
1570                 if (has_interface(modem->interfaces, OFONO_API_CM) == FALSE)
1571                         return TRUE;
1572                 if (ready_to_create_device(modem) == TRUE)
1573                         create_device(modem);
1574                 if (modem->device != NULL) {
1575                         cm_get_properties(modem);
1576                         cm_get_contexts(modem);
1577                 }
1578         } else if (g_str_equal(key, "Interfaces") == TRUE) {
1579                 modem->interfaces = extract_interfaces(&value);
1580
1581                 DBG("%s Interfaces 0x%02x", modem->path,
1582                         modem->interfaces);
1583
1584                 if (has_interface(modem->interfaces, OFONO_API_SIM) == TRUE) {
1585                         if (modem->imsi == NULL &&
1586                                         modem->set_powered == FALSE) {
1587                                 /*
1588                                  * Only use do GetProperties() when
1589                                  * device has not been powered up.
1590                                  */
1591                                 sim_get_properties(modem);
1592                                 return TRUE;
1593                         }
1594                 }
1595
1596                 if (has_interface(modem->interfaces, OFONO_API_CM) == TRUE) {
1597                         if (ready_to_create_device(modem) == TRUE)
1598                                 create_device(modem);
1599                         if (modem->device != NULL) {
1600                                 cm_get_properties(modem);
1601                                 cm_get_contexts(modem);
1602                                 return TRUE;
1603                         }
1604                 } else {
1605                         if (modem->context != NULL) {
1606                                 remove_cm_context(modem,
1607                                                 modem->context->path);
1608                         }
1609
1610                         if (modem->device != NULL)
1611                                 destroy_device(modem);
1612
1613                         return TRUE;
1614                 }
1615
1616                 if (has_interface(modem->interfaces, OFONO_API_NETREG) == TRUE) {
1617                         if (modem->attached == TRUE)
1618                                 netreg_get_properties(modem);
1619                 }
1620         } else if (g_str_equal(key, "Serial") == TRUE) {
1621                 char *serial;
1622
1623                 dbus_message_iter_get_basic(&value, &serial);
1624
1625                 g_free(modem->serial);
1626                 modem->serial = g_strdup(serial);
1627
1628                 DBG("%s Serial %s", modem->path, modem->serial);
1629
1630                 if (has_interface(modem->interfaces, OFONO_API_CM) == TRUE) {
1631                         if (ready_to_create_device(modem) == TRUE)
1632                                 create_device(modem);
1633                         if (modem->device != NULL) {
1634                                 cm_get_properties(modem);
1635                                 cm_get_contexts(modem);
1636                         }
1637                 }
1638         }
1639
1640         return TRUE;
1641 }
1642
1643 static void add_modem(const char *path, DBusMessageIter *prop)
1644 {
1645         struct modem_data *modem;
1646
1647         DBG("%s", path);
1648
1649         modem = g_hash_table_lookup(modem_hash, path);
1650         if (modem != NULL) {
1651                 /*
1652                  * When oFono powers up we ask for the modems and oFono is
1653                  * reporting with modem_added signal the modems. Only
1654                  * handle them once.
1655                  */
1656                 return;
1657         }
1658
1659         modem = g_try_new0(struct modem_data, 1);
1660         if (modem == NULL)
1661                 return;
1662
1663         modem->path = g_strdup(path);
1664
1665         g_hash_table_insert(modem_hash, g_strdup(path), modem);
1666
1667         while (dbus_message_iter_get_arg_type(prop) == DBUS_TYPE_DICT_ENTRY) {
1668                 DBusMessageIter entry, value;
1669                 const char *key;
1670
1671                 dbus_message_iter_recurse(prop, &entry);
1672                 dbus_message_iter_get_basic(&entry, &key);
1673
1674                 dbus_message_iter_next(&entry);
1675                 dbus_message_iter_recurse(&entry, &value);
1676
1677                 if (g_str_equal(key, "Powered") == TRUE) {
1678                         dbus_message_iter_get_basic(&value, &modem->powered);
1679
1680                         DBG("%s Powered %d", modem->path, modem->powered);
1681                 } else if (g_str_equal(key, "Online") == TRUE) {
1682                         dbus_message_iter_get_basic(&value, &modem->online);
1683
1684                         DBG("%s Online %d", modem->path, modem->online);
1685                 } else if (g_str_equal(key, "Interfaces") == TRUE) {
1686                         modem->interfaces = extract_interfaces(&value);
1687
1688                         DBG("%s Interfaces 0x%02x", modem->path,
1689                                 modem->interfaces);
1690                 } else if (g_str_equal(key, "Serial") == TRUE) {
1691                         char *serial;
1692
1693                         dbus_message_iter_get_basic(&value, &serial);
1694                         modem->serial = g_strdup(serial);
1695
1696                         DBG("%s Serial %s", modem->path, modem->serial);
1697                 } else if (g_str_equal(key, "Type") == TRUE) {
1698                         char *type;
1699
1700                         dbus_message_iter_get_basic(&value, &type);
1701
1702                         DBG("%s Type %s", modem->path, type);
1703                         if (g_strcmp0(type, "hardware") != 0) {
1704                                 DBG("%s Ignore this modem", modem->path);
1705                                 modem->ignore = TRUE;
1706                         }
1707                 }
1708
1709                 dbus_message_iter_next(prop);
1710         }
1711
1712         if (modem->ignore == TRUE)
1713                 return;
1714
1715         if (modem->powered == FALSE) {
1716                 modem_set_powered(modem);
1717         } else if (has_interface(modem->interfaces, OFONO_API_SIM) == TRUE) {
1718                 sim_get_properties(modem);
1719         } else if (has_interface(modem->interfaces, OFONO_API_CM) == TRUE) {
1720                 if (ready_to_create_device(modem) == TRUE)
1721                         create_device(modem);
1722                 if (modem->device != NULL) {
1723                         cm_get_properties(modem);
1724                         cm_get_contexts(modem);
1725                 }
1726         }
1727 }
1728
1729 static void modem_power_down(gpointer key, gpointer value, gpointer user_data)
1730 {
1731         struct modem_data *modem = value;
1732
1733         DBG("%s", modem->path);
1734
1735         if (modem->ignore ==  TRUE)
1736                 return;
1737
1738         modem_set_unpowered(modem);
1739 }
1740
1741 static void remove_modem(gpointer data)
1742 {
1743         struct modem_data *modem = data;
1744
1745         DBG("%s", modem->path);
1746
1747         if (modem->call_set_property != NULL)
1748                 dbus_pending_call_cancel(modem->call_set_property);
1749
1750         if (modem->call_get_properties != NULL)
1751                 dbus_pending_call_cancel(modem->call_get_properties);
1752
1753         if (modem->call_get_contexts != NULL)
1754                 dbus_pending_call_cancel(modem->call_get_contexts);
1755
1756         if (modem->device != NULL)
1757                 destroy_device(modem);
1758
1759         if (modem->context != NULL)
1760                 remove_cm_context(modem, modem->context->path);
1761
1762         g_free(modem->serial);
1763         g_free(modem->name);
1764         g_free(modem->imsi);
1765         g_free(modem->path);
1766
1767         g_free(modem);
1768 }
1769
1770 static gboolean modem_added(DBusConnection *connection,
1771                                 DBusMessage *message, void *user_data)
1772 {
1773         DBusMessageIter iter, properties;
1774         const char *path;
1775
1776         DBG("");
1777
1778         if (dbus_message_iter_init(message, &iter) == FALSE)
1779                 return TRUE;
1780
1781         dbus_message_iter_get_basic(&iter, &path);
1782
1783         dbus_message_iter_next(&iter);
1784         dbus_message_iter_recurse(&iter, &properties);
1785
1786         add_modem(path, &properties);
1787
1788         return TRUE;
1789 }
1790
1791 static gboolean modem_removed(DBusConnection *connection,
1792                                 DBusMessage *message, void *user_data)
1793 {
1794         DBusMessageIter iter;
1795         const char *path;
1796
1797         DBG("");
1798
1799         if (dbus_message_iter_init(message, &iter) == FALSE)
1800                 return TRUE;
1801
1802         dbus_message_iter_get_basic(&iter, &path);
1803
1804         g_hash_table_remove(modem_hash, path);
1805
1806         return TRUE;
1807 }
1808
1809 static void manager_get_modems_reply(DBusPendingCall *call, void *user_data)
1810 {
1811         DBusMessage *reply;
1812         DBusError error;
1813         DBusMessageIter array, dict;
1814
1815         DBG("");
1816
1817         reply = dbus_pending_call_steal_reply(call);
1818
1819         dbus_error_init(&error);
1820
1821         if (dbus_set_error_from_message(&error, reply) == TRUE) {
1822                 connman_error("%s", error.message);
1823                 dbus_error_free(&error);
1824                 goto done;
1825         }
1826
1827         if (dbus_message_iter_init(reply, &array) == FALSE)
1828                 goto done;
1829
1830         dbus_message_iter_recurse(&array, &dict);
1831
1832         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_STRUCT) {
1833                 DBusMessageIter value, properties;
1834                 const char *path;
1835
1836                 dbus_message_iter_recurse(&dict, &value);
1837                 dbus_message_iter_get_basic(&value, &path);
1838
1839                 dbus_message_iter_next(&value);
1840                 dbus_message_iter_recurse(&value, &properties);
1841
1842                 add_modem(path, &properties);
1843
1844                 dbus_message_iter_next(&dict);
1845         }
1846
1847 done:
1848         dbus_message_unref(reply);
1849
1850         dbus_pending_call_unref(call);
1851 }
1852
1853 static int manager_get_modems(void)
1854 {
1855         DBusMessage *message;
1856         DBusPendingCall *call;
1857
1858         DBG("");
1859
1860         message = dbus_message_new_method_call(OFONO_SERVICE, "/",
1861                                         OFONO_MANAGER_INTERFACE, GET_MODEMS);
1862         if (message == NULL)
1863                 return -ENOMEM;
1864
1865         if (dbus_connection_send_with_reply(connection, message,
1866                                                &call, TIMEOUT) == FALSE) {
1867                 connman_error("Failed to call GetModems()");
1868                 dbus_message_unref(message);
1869                 return -EINVAL;
1870         }
1871
1872         if (call == NULL) {
1873                 connman_error("D-Bus connection not available");
1874                 dbus_message_unref(message);
1875                 return -EINVAL;
1876         }
1877
1878         dbus_pending_call_set_notify(call, manager_get_modems_reply,
1879                                         NULL, NULL);
1880
1881         dbus_message_unref(message);
1882
1883         return -EINPROGRESS;
1884 }
1885
1886 static void ofono_connect(DBusConnection *conn, void *user_data)
1887 {
1888         DBG("");
1889
1890         modem_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1891                                                 g_free, remove_modem);
1892         if (modem_hash == NULL)
1893                 return;
1894
1895         context_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1896                                                 g_free, NULL);
1897         if (context_hash == NULL) {
1898                 g_hash_table_destroy(modem_hash);
1899                 return;
1900         }
1901
1902         manager_get_modems();
1903 }
1904
1905 static void ofono_disconnect(DBusConnection *conn, void *user_data)
1906 {
1907         DBG("");
1908
1909         if (modem_hash == NULL || context_hash == NULL)
1910                 return;
1911
1912         g_hash_table_destroy(modem_hash);
1913         modem_hash = NULL;
1914
1915         g_hash_table_destroy(context_hash);
1916         context_hash = NULL;
1917 }
1918
1919 static int network_probe(struct connman_network *network)
1920 {
1921         struct modem_data *modem = connman_network_get_data(network);
1922
1923         DBG("%s network %p", modem->path, network);
1924
1925         return 0;
1926 }
1927
1928 static void network_remove(struct connman_network *network)
1929 {
1930         struct modem_data *modem = connman_network_get_data(network);
1931
1932         DBG("%s network %p", modem->path, network);
1933 }
1934
1935 static int network_connect(struct connman_network *network)
1936 {
1937         struct modem_data *modem = connman_network_get_data(network);
1938
1939         DBG("%s network %p", modem->path, network);
1940
1941         return context_set_active(modem);
1942 }
1943
1944 static int network_disconnect(struct connman_network *network)
1945 {
1946         struct modem_data *modem = connman_network_get_data(network);
1947
1948         DBG("%s network %p", modem->path, network);
1949
1950         return context_set_inactive(modem);
1951 }
1952
1953 static struct connman_network_driver network_driver = {
1954         .name           = "network",
1955         .type           = CONNMAN_NETWORK_TYPE_CELLULAR,
1956         .probe          = network_probe,
1957         .remove         = network_remove,
1958         .connect        = network_connect,
1959         .disconnect     = network_disconnect,
1960 };
1961
1962 static int modem_probe(struct connman_device *device)
1963 {
1964         struct modem_data *modem = connman_device_get_data(device);
1965
1966         DBG("%s device %p", modem->path, device);
1967
1968         return 0;
1969 }
1970
1971 static void modem_remove(struct connman_device *device)
1972 {
1973         struct modem_data *modem = connman_device_get_data(device);
1974
1975         DBG("%s device %p", modem->path, device);
1976 }
1977
1978 static int modem_enable(struct connman_device *device)
1979 {
1980         struct modem_data *modem = connman_device_get_data(device);
1981
1982         DBG("%s device %p", modem->path, device);
1983
1984         return 0;
1985 }
1986
1987 static int modem_disable(struct connman_device *device)
1988 {
1989         struct modem_data *modem = connman_device_get_data(device);
1990
1991         DBG("%s device %p", modem->path, device);
1992
1993         return 0;
1994 }
1995
1996 static struct connman_device_driver modem_driver = {
1997         .name           = "modem",
1998         .type           = CONNMAN_DEVICE_TYPE_CELLULAR,
1999         .probe          = modem_probe,
2000         .remove         = modem_remove,
2001         .enable         = modem_enable,
2002         .disable        = modem_disable,
2003 };
2004
2005 static guint watch;
2006 static guint modem_added_watch;
2007 static guint modem_removed_watch;
2008 static guint modem_watch;
2009 static guint cm_watch;
2010 static guint sim_watch;
2011 static guint context_added_watch;
2012 static guint context_removed_watch;
2013 static guint netreg_watch;
2014 static guint context_watch;
2015
2016 static int ofono_init(void)
2017 {
2018         int err;
2019
2020         DBG("");
2021
2022         connection = connman_dbus_get_connection();
2023         if (connection == NULL)
2024                 return -EIO;
2025
2026         watch = g_dbus_add_service_watch(connection,
2027                                         OFONO_SERVICE, ofono_connect,
2028                                         ofono_disconnect, NULL, NULL);
2029
2030         modem_added_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
2031                                                 OFONO_MANAGER_INTERFACE,
2032                                                 MODEM_ADDED,
2033                                                 modem_added,
2034                                                 NULL, NULL);
2035
2036         modem_removed_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
2037                                                 OFONO_MANAGER_INTERFACE,
2038                                                 MODEM_REMOVED,
2039                                                 modem_removed,
2040                                                 NULL, NULL);
2041
2042         modem_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
2043                                                 OFONO_MODEM_INTERFACE,
2044                                                 PROPERTY_CHANGED,
2045                                                 modem_changed,
2046                                                 NULL, NULL);
2047
2048         cm_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
2049                                                 OFONO_CM_INTERFACE,
2050                                                 PROPERTY_CHANGED,
2051                                                 cm_changed,
2052                                                 NULL, NULL);
2053
2054         sim_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
2055                                                 OFONO_SIM_INTERFACE,
2056                                                 PROPERTY_CHANGED,
2057                                                 sim_changed,
2058                                                 NULL, NULL);
2059
2060         context_added_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
2061                                                 OFONO_CM_INTERFACE,
2062                                                 CONTEXT_ADDED,
2063                                                 cm_context_added,
2064                                                 NULL, NULL);
2065
2066         context_removed_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
2067                                                 OFONO_CM_INTERFACE,
2068                                                 CONTEXT_REMOVED,
2069                                                 cm_context_removed,
2070                                                 NULL, NULL);
2071
2072         context_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
2073                                                 OFONO_CONTEXT_INTERFACE,
2074                                                 PROPERTY_CHANGED,
2075                                                 context_changed,
2076                                                 NULL, NULL);
2077
2078         netreg_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
2079                                                 OFONO_NETREG_INTERFACE,
2080                                                 PROPERTY_CHANGED,
2081                                                 netreg_changed,
2082                                                 NULL, NULL);
2083
2084
2085         if (watch == 0 || modem_added_watch == 0 || modem_removed_watch == 0 ||
2086                         modem_watch == 0 || cm_watch == 0 || sim_watch == 0 ||
2087                         context_added_watch == 0 ||
2088                         context_removed_watch == 0 ||
2089                         context_watch == 0 || netreg_watch == 0) {
2090                 err = -EIO;
2091                 goto remove;
2092         }
2093
2094         err = connman_network_driver_register(&network_driver);
2095         if (err < 0)
2096                 goto remove;
2097
2098         err = connman_device_driver_register(&modem_driver);
2099         if (err < 0) {
2100                 connman_network_driver_unregister(&network_driver);
2101                 goto remove;
2102         }
2103
2104         return 0;
2105
2106 remove:
2107         g_dbus_remove_watch(connection, netreg_watch);
2108         g_dbus_remove_watch(connection, context_watch);
2109         g_dbus_remove_watch(connection, context_removed_watch);
2110         g_dbus_remove_watch(connection, context_added_watch);
2111         g_dbus_remove_watch(connection, sim_watch);
2112         g_dbus_remove_watch(connection, cm_watch);
2113         g_dbus_remove_watch(connection, modem_watch);
2114         g_dbus_remove_watch(connection, modem_removed_watch);
2115         g_dbus_remove_watch(connection, modem_added_watch);
2116         g_dbus_remove_watch(connection, watch);
2117         dbus_connection_unref(connection);
2118
2119         return err;
2120 }
2121
2122 static void ofono_exit(void)
2123 {
2124         DBG("");
2125
2126         if (modem_hash != NULL) {
2127                 /*
2128                  * We should propably wait for the SetProperty() reply
2129                  * message, because ...
2130                  */
2131                 g_hash_table_foreach(modem_hash, modem_power_down, NULL);
2132
2133                 /*
2134                  * ... here we will cancel the call.
2135                  */
2136                 g_hash_table_destroy(modem_hash);
2137                 modem_hash = NULL;
2138         }
2139
2140         if (context_hash != NULL) {
2141                 g_hash_table_destroy(context_hash);
2142                 context_hash = NULL;
2143         }
2144
2145         connman_device_driver_unregister(&modem_driver);
2146         connman_network_driver_unregister(&network_driver);
2147
2148         g_dbus_remove_watch(connection, netreg_watch);
2149         g_dbus_remove_watch(connection, context_watch);
2150         g_dbus_remove_watch(connection, context_removed_watch);
2151         g_dbus_remove_watch(connection, context_added_watch);
2152         g_dbus_remove_watch(connection, sim_watch);
2153         g_dbus_remove_watch(connection, cm_watch);
2154         g_dbus_remove_watch(connection, modem_watch);
2155         g_dbus_remove_watch(connection, modem_added_watch);
2156         g_dbus_remove_watch(connection, modem_removed_watch);
2157         g_dbus_remove_watch(connection, watch);
2158
2159         dbus_connection_unref(connection);
2160 }
2161
2162 CONNMAN_PLUGIN_DEFINE(ofono, "oFono telephony plugin", VERSION,
2163                 CONNMAN_PLUGIN_PRIORITY_DEFAULT, ofono_init, ofono_exit)