5 * Copyright (C) 2007-2010 Intel Corporation. All rights reserved.
6 * Copyright (C) 2011 BWM CarIT GmbH. All rights reserved.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
31 static DBusConnection *connection;
32 static GHashTable *session_hash;
33 static connman_bool_t sessionmode;
34 static struct connman_session *ecall_session;
36 enum connman_session_trigger {
37 CONNMAN_SESSION_TRIGGER_UNKNOWN = 0,
38 CONNMAN_SESSION_TRIGGER_SETTING = 1,
39 CONNMAN_SESSION_TRIGGER_CONNECT = 2,
40 CONNMAN_SESSION_TRIGGER_DISCONNECT = 3,
41 CONNMAN_SESSION_TRIGGER_PERIODIC = 4,
42 CONNMAN_SESSION_TRIGGER_SERVICE = 5,
43 CONNMAN_SESSION_TRIGGER_ECALL = 6,
46 enum connman_session_reason {
47 CONNMAN_SESSION_REASON_UNKNOWN = 0,
48 CONNMAN_SESSION_REASON_CONNECT = 1,
49 CONNMAN_SESSION_REASON_FREE_RIDE = 2,
50 CONNMAN_SESSION_REASON_PERIODIC = 3,
53 enum connman_session_roaming_policy {
54 CONNMAN_SESSION_ROAMING_POLICY_UNKNOWN = 0,
55 CONNMAN_SESSION_ROAMING_POLICY_DEFAULT = 1,
56 CONNMAN_SESSION_ROAMING_POLICY_ALWAYS = 2,
57 CONNMAN_SESSION_ROAMING_POLICY_FORBIDDEN = 3,
58 CONNMAN_SESSION_ROAMING_POLICY_NATIONAL = 4,
59 CONNMAN_SESSION_ROAMING_POLICY_INTERNATIONAL = 5,
62 struct service_entry {
63 /* track why this service was selected */
64 enum connman_session_reason reason;
65 enum connman_service_state state;
66 struct connman_service *service;
73 connman_bool_t online;
74 connman_bool_t priority;
75 GSList *allowed_bearers;
76 connman_bool_t avoid_handover;
77 connman_bool_t stay_connected;
78 unsigned int periodic_connect;
79 unsigned int idle_timeout;
81 enum connman_session_roaming_policy roaming_policy;
84 struct service_entry *entry;
87 struct connman_session {
93 connman_bool_t append_all;
94 connman_bool_t info_dirty;
95 struct session_info info;
96 struct session_info info_last;
98 GSequence *service_list;
99 GHashTable *service_hash;
104 connman_bool_t match_all;
105 enum connman_service_type service_type;
108 static const char *trigger2string(enum connman_session_trigger trigger)
111 case CONNMAN_SESSION_TRIGGER_UNKNOWN:
113 case CONNMAN_SESSION_TRIGGER_SETTING:
115 case CONNMAN_SESSION_TRIGGER_CONNECT:
117 case CONNMAN_SESSION_TRIGGER_DISCONNECT:
119 case CONNMAN_SESSION_TRIGGER_PERIODIC:
121 case CONNMAN_SESSION_TRIGGER_SERVICE:
123 case CONNMAN_SESSION_TRIGGER_ECALL:
130 static const char *reason2string(enum connman_session_reason reason)
133 case CONNMAN_SESSION_REASON_UNKNOWN:
135 case CONNMAN_SESSION_REASON_CONNECT:
137 case CONNMAN_SESSION_REASON_FREE_RIDE:
139 case CONNMAN_SESSION_REASON_PERIODIC:
146 static const char *roamingpolicy2string(enum connman_session_roaming_policy policy)
149 case CONNMAN_SESSION_ROAMING_POLICY_UNKNOWN:
151 case CONNMAN_SESSION_ROAMING_POLICY_DEFAULT:
153 case CONNMAN_SESSION_ROAMING_POLICY_ALWAYS:
155 case CONNMAN_SESSION_ROAMING_POLICY_FORBIDDEN:
157 case CONNMAN_SESSION_ROAMING_POLICY_NATIONAL:
159 case CONNMAN_SESSION_ROAMING_POLICY_INTERNATIONAL:
160 return "international";
166 static enum connman_session_roaming_policy string2roamingpolicy(const char *policy)
168 if (g_strcmp0(policy, "default") == 0)
169 return CONNMAN_SESSION_ROAMING_POLICY_DEFAULT;
170 else if (g_strcmp0(policy, "always") == 0)
171 return CONNMAN_SESSION_ROAMING_POLICY_ALWAYS;
172 else if (g_strcmp0(policy, "forbidden") == 0)
173 return CONNMAN_SESSION_ROAMING_POLICY_FORBIDDEN;
174 else if (g_strcmp0(policy, "national") == 0)
175 return CONNMAN_SESSION_ROAMING_POLICY_NATIONAL;
176 else if (g_strcmp0(policy, "international") == 0)
177 return CONNMAN_SESSION_ROAMING_POLICY_INTERNATIONAL;
179 return CONNMAN_SESSION_ROAMING_POLICY_UNKNOWN;
182 static enum connman_service_type bearer2service(const char *bearer)
185 return CONNMAN_SERVICE_TYPE_UNKNOWN;
187 if (g_strcmp0(bearer, "ethernet") == 0)
188 return CONNMAN_SERVICE_TYPE_ETHERNET;
189 else if (g_strcmp0(bearer, "wifi") == 0)
190 return CONNMAN_SERVICE_TYPE_WIFI;
191 else if (g_strcmp0(bearer, "wimax") == 0)
192 return CONNMAN_SERVICE_TYPE_WIMAX;
193 else if (g_strcmp0(bearer, "bluetooth") == 0)
194 return CONNMAN_SERVICE_TYPE_BLUETOOTH;
195 else if (g_strcmp0(bearer, "3g") == 0)
196 return CONNMAN_SERVICE_TYPE_CELLULAR;
198 return CONNMAN_SERVICE_TYPE_UNKNOWN;
201 static char *service2bearer(enum connman_service_type type)
204 case CONNMAN_SERVICE_TYPE_ETHERNET:
206 case CONNMAN_SERVICE_TYPE_WIFI:
208 case CONNMAN_SERVICE_TYPE_WIMAX:
210 case CONNMAN_SERVICE_TYPE_BLUETOOTH:
212 case CONNMAN_SERVICE_TYPE_CELLULAR:
214 case CONNMAN_SERVICE_TYPE_UNKNOWN:
215 case CONNMAN_SERVICE_TYPE_SYSTEM:
216 case CONNMAN_SERVICE_TYPE_GPS:
217 case CONNMAN_SERVICE_TYPE_VPN:
218 case CONNMAN_SERVICE_TYPE_GADGET:
225 static void cleanup_bearer_info(gpointer data, gpointer user_data)
227 struct bearer_info *info = data;
233 static GSList *session_parse_allowed_bearers(DBusMessageIter *iter)
235 struct bearer_info *info;
236 DBusMessageIter array;
239 dbus_message_iter_recurse(iter, &array);
241 while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_STRING) {
244 dbus_message_iter_get_basic(&array, &bearer);
246 info = g_try_new0(struct bearer_info, 1);
248 g_slist_foreach(list, cleanup_bearer_info, NULL);
254 info->name = g_strdup(bearer);
255 info->service_type = bearer2service(info->name);
257 if (info->service_type == CONNMAN_SERVICE_TYPE_UNKNOWN &&
258 g_strcmp0(info->name, "*") == 0) {
259 info->match_all = TRUE;
261 info->match_all = FALSE;
264 list = g_slist_append(list, info);
266 dbus_message_iter_next(&array);
272 static GSList *session_allowed_bearers_any(void)
274 struct bearer_info *info;
277 info = g_try_new0(struct bearer_info, 1);
284 info->name = g_strdup("");
285 info->match_all = TRUE;
286 info->service_type = CONNMAN_SERVICE_TYPE_UNKNOWN;
288 list = g_slist_append(list, info);
293 static void append_allowed_bearers(DBusMessageIter *iter, void *user_data)
295 struct session_info *info = user_data;
298 for (list = info->allowed_bearers;
299 list != NULL; list = list->next) {
300 struct bearer_info *info = list->data;
302 dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING,
307 static void append_ipconfig_ipv4(DBusMessageIter *iter, void *user_data)
309 struct connman_service *service = user_data;
310 struct connman_ipconfig *ipconfig_ipv4;
315 ipconfig_ipv4 = __connman_service_get_ip4config(service);
316 if (ipconfig_ipv4 == NULL)
319 __connman_ipconfig_append_ipv4(ipconfig_ipv4, iter);
322 static void append_ipconfig_ipv6(DBusMessageIter *iter, void *user_data)
324 struct connman_service *service = user_data;
325 struct connman_ipconfig *ipconfig_ipv4, *ipconfig_ipv6;
330 ipconfig_ipv4 = __connman_service_get_ip4config(service);
331 ipconfig_ipv6 = __connman_service_get_ip6config(service);
332 if (ipconfig_ipv6 == NULL)
335 __connman_ipconfig_append_ipv6(ipconfig_ipv6, iter, ipconfig_ipv4);
338 static void append_notify(DBusMessageIter *dict,
339 struct connman_session *session)
341 struct session_info *info = &session->info;
342 struct session_info *info_last = &session->info_last;
344 struct connman_service *service;
346 if (session->append_all == TRUE ||
347 info->bearer != info_last->bearer) {
348 connman_dbus_dict_append_basic(dict, "Bearer",
351 info_last->bearer = info->bearer;
354 if (session->append_all == TRUE ||
355 info->online != info_last->online) {
356 connman_dbus_dict_append_basic(dict, "Online",
359 info_last->online = info->online;
362 if (session->append_all == TRUE ||
363 info->name != info_last->name) {
364 connman_dbus_dict_append_basic(dict, "Name",
367 info_last->name = info->name;
370 if (session->append_all == TRUE ||
371 info->entry != info_last->entry) {
372 if (info->entry == NULL)
375 service = info->entry->service;
377 connman_dbus_dict_append_dict(dict, "IPv4",
378 append_ipconfig_ipv4,
381 connman_dbus_dict_append_dict(dict, "IPv6",
382 append_ipconfig_ipv6,
385 connman_dbus_dict_append_basic(dict, "Interface",
389 info_last->ifname = info->ifname;
390 info_last->entry = info->entry;
394 if (session->append_all == TRUE ||
395 info->priority != info_last->priority) {
396 connman_dbus_dict_append_basic(dict, "Priority",
399 info_last->priority = info->priority;
402 if (session->append_all == TRUE ||
403 info->allowed_bearers != info_last->allowed_bearers) {
404 connman_dbus_dict_append_array(dict, "AllowedBearers",
406 append_allowed_bearers,
408 info_last->allowed_bearers = info->allowed_bearers;
411 if (session->append_all == TRUE ||
412 info->avoid_handover != info_last->avoid_handover) {
413 connman_dbus_dict_append_basic(dict, "AvoidHandover",
415 &info->avoid_handover);
416 info_last->avoid_handover = info->avoid_handover;
419 if (session->append_all == TRUE ||
420 info->stay_connected != info_last->stay_connected) {
421 connman_dbus_dict_append_basic(dict, "StayConnected",
423 &info->stay_connected);
424 info_last->stay_connected = info->stay_connected;
427 if (session->append_all == TRUE ||
428 info->periodic_connect != info_last->periodic_connect) {
429 connman_dbus_dict_append_basic(dict, "PeriodicConnect",
431 &info->periodic_connect);
432 info_last->periodic_connect = info->periodic_connect;
435 if (session->append_all == TRUE ||
436 info->idle_timeout != info_last->idle_timeout) {
437 connman_dbus_dict_append_basic(dict, "IdleTimeout",
439 &info->idle_timeout);
440 info_last->idle_timeout = info->idle_timeout;
443 if (session->append_all == TRUE ||
444 info->ecall != info_last->ecall) {
445 connman_dbus_dict_append_basic(dict, "EmergencyCall",
448 info_last->ecall = info->ecall;
451 if (session->append_all == TRUE ||
452 info->roaming_policy != info_last->roaming_policy) {
453 policy = roamingpolicy2string(info->roaming_policy);
454 connman_dbus_dict_append_basic(dict, "RoamingPolicy",
457 info_last->roaming_policy = info->roaming_policy;
460 if (session->append_all == TRUE ||
461 info->marker != info_last->marker) {
462 connman_dbus_dict_append_basic(dict, "SessionMarker",
465 info_last->marker = info->marker;
468 session->append_all = FALSE;
469 session->info_dirty = FALSE;
472 static gboolean session_notify(gpointer user_data)
474 struct connman_session *session = user_data;
476 DBusMessageIter array, dict;
478 if (session->info_dirty == FALSE)
481 DBG("session %p owner %s notify_path %s", session,
482 session->owner, session->notify_path);
484 msg = dbus_message_new_method_call(session->owner, session->notify_path,
485 CONNMAN_NOTIFICATION_INTERFACE,
490 dbus_message_iter_init_append(msg, &array);
491 connman_dbus_dict_open(&array, &dict);
493 append_notify(&dict, session);
495 connman_dbus_dict_close(&array, &dict);
497 g_dbus_send_message(connection, msg);
499 session->info_dirty = FALSE;
504 static void ipconfig_ipv4_changed(struct connman_session *session)
506 struct session_info *info = &session->info;
508 connman_dbus_setting_changed_dict(session->owner, session->notify_path,
509 "IPv4", append_ipconfig_ipv4,
510 info->entry->service);
513 static void ipconfig_ipv6_changed(struct connman_session *session)
515 struct session_info *info = &session->info;
517 connman_dbus_setting_changed_dict(session->owner, session->notify_path,
518 "IPv6", append_ipconfig_ipv6,
519 info->entry->service);
522 static connman_bool_t service_type_match(struct connman_session *session,
523 struct connman_service *service)
525 struct session_info *info = &session->info;
528 for (list = info->allowed_bearers;
529 list != NULL; list = list->next) {
530 struct bearer_info *info = list->data;
531 enum connman_service_type service_type;
533 if (info->match_all == TRUE)
536 service_type = connman_service_get_type(service);
537 if (info->service_type == service_type)
544 static connman_bool_t service_match(struct connman_session *session,
545 struct connman_service *service)
547 if (service_type_match(session, service) == FALSE)
553 static int service_type_weight(enum connman_service_type type)
556 * The session doesn't care which service
557 * to use. Nevertheless we have to sort them
558 * according their type. The ordering is
567 case CONNMAN_SERVICE_TYPE_ETHERNET:
569 case CONNMAN_SERVICE_TYPE_BLUETOOTH:
571 case CONNMAN_SERVICE_TYPE_WIFI:
572 case CONNMAN_SERVICE_TYPE_WIMAX:
574 case CONNMAN_SERVICE_TYPE_CELLULAR:
576 case CONNMAN_SERVICE_TYPE_UNKNOWN:
577 case CONNMAN_SERVICE_TYPE_SYSTEM:
578 case CONNMAN_SERVICE_TYPE_GPS:
579 case CONNMAN_SERVICE_TYPE_VPN:
580 case CONNMAN_SERVICE_TYPE_GADGET:
587 static gint sort_allowed_bearers(struct connman_service *service_a,
588 struct connman_service *service_b,
589 struct connman_session *session)
591 struct session_info *info = &session->info;
593 enum connman_service_type type_a, type_b;
594 int weight_a, weight_b;
596 type_a = connman_service_get_type(service_a);
597 type_b = connman_service_get_type(service_b);
599 for (list = info->allowed_bearers;
600 list != NULL; list = list->next) {
601 struct bearer_info *info = list->data;
603 if (info->match_all == TRUE) {
604 if (type_a != type_b) {
605 weight_a = service_type_weight(type_a);
606 weight_b = service_type_weight(type_b);
608 if (weight_a > weight_b)
611 if (weight_a < weight_b)
618 if (type_a == info->service_type &&
619 type_b == info->service_type) {
623 if (type_a == info->service_type &&
624 type_b != info->service_type) {
628 if (type_a != info->service_type &&
629 type_b == info->service_type) {
637 static gint sort_services(gconstpointer a, gconstpointer b, gpointer user_data)
639 struct connman_service *service_a = (void *)a;
640 struct connman_service *service_b = (void *)b;
641 struct connman_session *session = user_data;
643 return sort_allowed_bearers(service_a, service_b, session);
646 static void cleanup_session(gpointer user_data)
648 struct connman_session *session = user_data;
649 struct session_info *info = &session->info;
651 DBG("remove %s", session->session_path);
653 g_hash_table_destroy(session->service_hash);
654 g_sequence_free(session->service_list);
656 if (info->entry != NULL &&
657 info->entry->reason == CONNMAN_SESSION_REASON_CONNECT) {
658 __connman_service_disconnect(info->entry->service);
661 g_slist_foreach(info->allowed_bearers, cleanup_bearer_info, NULL);
662 g_slist_free(info->allowed_bearers);
664 g_free(session->owner);
665 g_free(session->session_path);
666 g_free(session->notify_path);
671 static void release_session(gpointer key, gpointer value, gpointer user_data)
673 struct connman_session *session = value;
674 DBusMessage *message;
676 DBG("owner %s path %s", session->owner, session->notify_path);
678 if (session->notify_watch > 0)
679 g_dbus_remove_watch(connection, session->notify_watch);
681 g_dbus_unregister_interface(connection, session->session_path,
682 CONNMAN_SESSION_INTERFACE);
684 message = dbus_message_new_method_call(session->owner,
685 session->notify_path,
686 CONNMAN_NOTIFICATION_INTERFACE,
691 dbus_message_set_no_reply(message, TRUE);
693 g_dbus_send_message(connection, message);
696 static int session_disconnect(struct connman_session *session)
698 DBG("session %p, %s", session, session->owner);
700 if (session->notify_watch > 0)
701 g_dbus_remove_watch(connection, session->notify_watch);
703 g_dbus_unregister_interface(connection, session->session_path,
704 CONNMAN_SESSION_INTERFACE);
706 g_hash_table_remove(session_hash, session->session_path);
711 static void owner_disconnect(DBusConnection *conn, void *user_data)
713 struct connman_session *session = user_data;
715 DBG("session %p, %s died", session, session->owner);
717 session_disconnect(session);
720 static DBusMessage *destroy_session(DBusConnection *conn,
721 DBusMessage *msg, void *user_data)
723 struct connman_session *session = user_data;
725 DBG("session %p", session);
727 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
730 static connman_bool_t is_connected(enum connman_service_state state)
733 case CONNMAN_SERVICE_STATE_UNKNOWN:
734 case CONNMAN_SERVICE_STATE_IDLE:
735 case CONNMAN_SERVICE_STATE_ASSOCIATION:
736 case CONNMAN_SERVICE_STATE_CONFIGURATION:
737 case CONNMAN_SERVICE_STATE_DISCONNECT:
738 case CONNMAN_SERVICE_STATE_FAILURE:
740 case CONNMAN_SERVICE_STATE_READY:
741 case CONNMAN_SERVICE_STATE_ONLINE:
748 static void update_info(struct session_info *info)
750 enum connman_service_type type;
753 if (info->entry != NULL) {
754 type = connman_service_get_type(info->entry->service);
755 info->bearer = service2bearer(type);
757 info->online = is_connected(info->entry->state);
758 info->name = __connman_service_get_name(info->entry->service);
759 if (info->name == NULL)
762 idx = __connman_service_get_index(info->entry->service);
763 info->ifname = connman_inet_ifname(idx);
764 if (info->ifname == NULL)
768 info->online = FALSE;
774 static connman_bool_t explicit_connect(enum connman_session_reason reason)
777 case CONNMAN_SESSION_REASON_UNKNOWN:
778 case CONNMAN_SESSION_REASON_FREE_RIDE:
780 case CONNMAN_SESSION_REASON_CONNECT:
781 case CONNMAN_SESSION_REASON_PERIODIC:
788 static void test_and_disconnect(struct connman_session *session)
790 struct session_info *info = &session->info;
792 if (info->entry == NULL)
795 DBG("session %p reason %s service %p state %d",
796 session, reason2string(info->entry->reason),
797 info->entry->service, info->entry->state);
799 if (explicit_connect(info->entry->reason) == FALSE)
802 if (__connman_service_session_dec(info->entry->service) == TRUE)
805 if (ecall_session != NULL && ecall_session != session)
808 __connman_service_disconnect(info->entry->service);
814 static void select_and_connect(struct connman_session *session,
815 enum connman_session_reason reason)
817 struct session_info *info = &session->info;
818 struct service_entry *entry = NULL;
820 connman_bool_t do_connect = FALSE;
822 DBG("session %p reason %s", session, reason2string(reason));
824 iter = g_sequence_get_begin_iter(session->service_list);
826 while (g_sequence_iter_is_end(iter) == FALSE) {
827 entry = g_sequence_get(iter);
829 switch (entry->state) {
830 case CONNMAN_SERVICE_STATE_ASSOCIATION:
831 case CONNMAN_SERVICE_STATE_CONFIGURATION:
832 case CONNMAN_SERVICE_STATE_READY:
833 case CONNMAN_SERVICE_STATE_ONLINE:
834 /* connecting or connected */
836 case CONNMAN_SERVICE_STATE_IDLE:
837 case CONNMAN_SERVICE_STATE_DISCONNECT:
838 if (explicit_connect(reason) == TRUE)
841 case CONNMAN_SERVICE_STATE_UNKNOWN:
842 case CONNMAN_SERVICE_STATE_FAILURE:
850 iter = g_sequence_iter_next(iter);
853 if (info->entry != NULL && info->entry != entry)
854 test_and_disconnect(session);
858 info->entry->reason = reason;
860 if (explicit_connect(reason) == TRUE)
861 __connman_service_session_inc(info->entry->service);
863 if (do_connect == TRUE)
864 __connman_service_connect(info->entry->service);
868 static void session_changed(struct connman_session *session,
869 enum connman_session_trigger trigger)
871 struct session_info *info = &session->info;
872 struct session_info *info_last = &session->info_last;
876 * TODO: This only a placeholder for the 'real' algorithm to
877 * play a bit around. So we are going to improve it step by step.
880 DBG("session %p trigger %s", session, trigger2string(trigger));
883 case CONNMAN_SESSION_TRIGGER_UNKNOWN:
884 DBG("ignore session changed event");
886 case CONNMAN_SESSION_TRIGGER_SETTING:
887 if (info->entry != NULL) {
888 iter = g_hash_table_lookup(session->service_hash,
889 info->entry->service);
892 * This service is not part of this
895 test_and_disconnect(session);
899 if (info->online == FALSE) {
900 select_and_connect(session,
901 CONNMAN_SESSION_REASON_FREE_RIDE);
905 case CONNMAN_SESSION_TRIGGER_CONNECT:
906 if (info->online == TRUE) {
907 info->entry->reason = CONNMAN_SESSION_REASON_CONNECT;
908 __connman_service_session_inc(info->entry->service);
912 select_and_connect(session,
913 CONNMAN_SESSION_REASON_CONNECT);
916 case CONNMAN_SESSION_TRIGGER_DISCONNECT:
917 test_and_disconnect(session);
920 case CONNMAN_SESSION_TRIGGER_PERIODIC:
921 if (info->online == TRUE) {
922 info->entry->reason = CONNMAN_SESSION_REASON_PERIODIC;
923 __connman_service_session_inc(info->entry->service);
927 select_and_connect(session,
928 CONNMAN_SESSION_REASON_PERIODIC);
931 case CONNMAN_SESSION_TRIGGER_SERVICE:
932 if (info->online == TRUE)
935 if (info->stay_connected == TRUE) {
936 DBG("StayConnected");
937 select_and_connect(session,
938 CONNMAN_SESSION_REASON_CONNECT);
943 select_and_connect(session,
944 CONNMAN_SESSION_REASON_FREE_RIDE);
947 case CONNMAN_SESSION_TRIGGER_ECALL:
948 if (info->online == FALSE && info->entry->service != NULL)
949 test_and_disconnect(session);
954 if (info->entry != info_last->entry) {
956 session->info_dirty = TRUE;
959 session_notify(session);
962 static DBusMessage *connect_session(DBusConnection *conn,
963 DBusMessage *msg, void *user_data)
965 struct connman_session *session = user_data;
967 DBG("session %p", session);
969 if (ecall_session != NULL && ecall_session != session)
970 return __connman_error_failed(msg, EBUSY);
972 session_changed(session, CONNMAN_SESSION_TRIGGER_CONNECT);
974 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
977 static DBusMessage *disconnect_session(DBusConnection *conn,
978 DBusMessage *msg, void *user_data)
980 struct connman_session *session = user_data;
982 DBG("session %p", session);
984 if (ecall_session != NULL && ecall_session != session)
985 return __connman_error_failed(msg, EBUSY);
987 session_changed(session, CONNMAN_SESSION_TRIGGER_DISCONNECT);
989 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
992 static struct service_entry *create_service_entry(struct connman_service *service,
994 enum connman_service_state state)
996 struct service_entry *entry;
998 entry = g_try_new0(struct service_entry, 1);
1002 entry->reason = CONNMAN_SESSION_REASON_UNKNOWN;
1003 entry->state = state;
1004 entry->service = service;
1009 static void destroy_service_entry(gpointer data)
1011 struct service_entry *entry = data;
1016 static void update_allowed_bearers(struct connman_session *session)
1018 struct service_entry *entry;
1019 GSequenceIter *iter;
1021 if (session->service_list != NULL) {
1022 g_hash_table_remove_all(session->service_hash);
1023 g_sequence_free(session->service_list);
1026 session->service_list = __connman_service_get_list(session,
1028 create_service_entry,
1029 destroy_service_entry);
1031 g_sequence_sort(session->service_list, sort_services, session);
1033 iter = g_sequence_get_begin_iter(session->service_list);
1035 while (g_sequence_iter_is_end(iter) == FALSE) {
1036 entry = g_sequence_get(iter);
1038 DBG("service %p type %s name %s", entry->service,
1039 service2bearer(connman_service_get_type(entry->service)),
1040 __connman_service_get_name(entry->service));
1042 g_hash_table_replace(session->service_hash,
1043 entry->service, iter);
1045 iter = g_sequence_iter_next(iter);
1048 session->info_dirty = TRUE;
1051 static void update_ecall_sessions(struct connman_session *session)
1053 struct session_info *info = &session->info;
1054 struct connman_session *session_iter;
1055 GHashTableIter iter;
1056 gpointer key, value;
1058 g_hash_table_iter_init(&iter, session_hash);
1060 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1061 session_iter = value;
1063 if (session_iter == session)
1066 session_iter->info.ecall = info->ecall;
1067 session_iter->info_dirty = TRUE;
1069 session_changed(session_iter, CONNMAN_SESSION_TRIGGER_ECALL);
1073 static void update_ecall(struct connman_session *session)
1075 struct session_info *info = &session->info;
1076 struct session_info *info_last = &session->info_last;
1078 DBG("session %p ecall_session %p ecall %d -> %d", session,
1079 ecall_session, info_last->ecall, info->ecall);
1081 if (ecall_session == NULL) {
1082 if (!(info_last->ecall == FALSE && info->ecall == TRUE))
1085 ecall_session = session;
1086 } else if (ecall_session == session) {
1087 if (!(info_last->ecall == TRUE && info->ecall == FALSE))
1090 ecall_session = NULL;
1095 update_ecall_sessions(session);
1097 session->info_dirty = TRUE;
1101 /* not a valid transition */
1102 info->ecall = info_last->ecall;
1105 static DBusMessage *change_session(DBusConnection *conn,
1106 DBusMessage *msg, void *user_data)
1108 struct connman_session *session = user_data;
1109 struct session_info *info = &session->info;
1110 struct session_info *info_last = &session->info_last;
1111 DBusMessageIter iter, value;
1113 GSList *allowed_bearers;
1115 DBG("session %p", session);
1116 if (dbus_message_iter_init(msg, &iter) == FALSE)
1117 return __connman_error_invalid_arguments(msg);
1119 dbus_message_iter_get_basic(&iter, &name);
1120 dbus_message_iter_next(&iter);
1121 dbus_message_iter_recurse(&iter, &value);
1123 switch (dbus_message_iter_get_arg_type(&value)) {
1124 case DBUS_TYPE_ARRAY:
1125 if (g_str_equal(name, "AllowedBearers") == TRUE) {
1126 allowed_bearers = session_parse_allowed_bearers(&value);
1128 g_slist_foreach(info->allowed_bearers,
1129 cleanup_bearer_info, NULL);
1130 g_slist_free(info->allowed_bearers);
1132 if (allowed_bearers == NULL) {
1133 allowed_bearers = session_allowed_bearers_any();
1135 if (allowed_bearers == NULL)
1136 return __connman_error_failed(msg, ENOMEM);
1139 info->allowed_bearers = allowed_bearers;
1141 update_allowed_bearers(session);
1146 case DBUS_TYPE_BOOLEAN:
1147 if (g_str_equal(name, "Priority") == TRUE) {
1148 dbus_message_iter_get_basic(&value,
1151 if (info_last->priority != info->priority)
1152 session->info_dirty = TRUE;
1153 } else if (g_str_equal(name, "AvoidHandover") == TRUE) {
1154 dbus_message_iter_get_basic(&value,
1155 &info->avoid_handover);
1157 if (info_last->avoid_handover != info->avoid_handover)
1158 session->info_dirty = TRUE;
1159 } else if (g_str_equal(name, "StayConnected") == TRUE) {
1160 dbus_message_iter_get_basic(&value,
1161 &info->stay_connected);
1163 if (info_last->stay_connected != info->stay_connected)
1164 session->info_dirty = TRUE;
1165 } else if (g_str_equal(name, "EmergencyCall") == TRUE) {
1166 dbus_message_iter_get_basic(&value,
1169 update_ecall(session);
1174 case DBUS_TYPE_UINT32:
1175 if (g_str_equal(name, "PeriodicConnect") == TRUE) {
1176 dbus_message_iter_get_basic(&value,
1177 &info->periodic_connect);
1179 if (info_last->periodic_connect != info->periodic_connect)
1180 session->info_dirty = TRUE;
1181 } else if (g_str_equal(name, "IdleTimeout") == TRUE) {
1182 dbus_message_iter_get_basic(&value,
1183 &info->idle_timeout);
1185 if (info_last->idle_timeout != info->idle_timeout)
1186 session->info_dirty = TRUE;
1191 case DBUS_TYPE_STRING:
1192 if (g_str_equal(name, "RoamingPolicy") == TRUE) {
1194 dbus_message_iter_get_basic(&value, &val);
1195 info->roaming_policy =
1196 string2roamingpolicy(val);
1198 if (info_last->roaming_policy != info->roaming_policy)
1199 session->info_dirty = TRUE;
1208 if (session->info_dirty == TRUE)
1209 session_changed(session, CONNMAN_SESSION_TRIGGER_SETTING);
1211 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
1214 return __connman_error_invalid_arguments(msg);
1217 static GDBusMethodTable session_methods[] = {
1218 { "Destroy", "", "", destroy_session },
1219 { "Connect", "", "", connect_session },
1220 { "Disconnect", "", "", disconnect_session },
1221 { "Change", "sv", "", change_session },
1225 int __connman_session_create(DBusMessage *msg)
1227 const char *owner, *notify_path;
1228 char *session_path = NULL;
1229 DBusMessageIter iter, array;
1230 struct connman_session *session;
1231 struct session_info *info, *info_last;
1233 connman_bool_t priority = FALSE, avoid_handover = FALSE;
1234 connman_bool_t stay_connected = FALSE, ecall = FALSE;
1235 enum connman_session_roaming_policy roaming_policy =
1236 CONNMAN_SESSION_ROAMING_POLICY_FORBIDDEN;
1237 GSList *allowed_bearers = NULL;
1238 unsigned int periodic_connect = 0;
1239 unsigned int idle_timeout = 0;
1243 owner = dbus_message_get_sender(msg);
1245 DBG("owner %s", owner);
1247 if (ecall_session != NULL) {
1249 * If there is an emergency call already going on,
1250 * ignore session creation attempt
1256 dbus_message_iter_init(msg, &iter);
1257 dbus_message_iter_recurse(&iter, &array);
1259 while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
1260 DBusMessageIter entry, value;
1261 const char *key, *val;
1263 dbus_message_iter_recurse(&array, &entry);
1264 dbus_message_iter_get_basic(&entry, &key);
1266 dbus_message_iter_next(&entry);
1267 dbus_message_iter_recurse(&entry, &value);
1269 switch (dbus_message_iter_get_arg_type(&value)) {
1270 case DBUS_TYPE_ARRAY:
1271 if (g_str_equal(key, "AllowedBearers") == TRUE) {
1273 session_parse_allowed_bearers(&value);
1278 case DBUS_TYPE_BOOLEAN:
1279 if (g_str_equal(key, "Priority") == TRUE) {
1280 dbus_message_iter_get_basic(&value,
1282 } else if (g_str_equal(key, "AvoidHandover") == TRUE) {
1283 dbus_message_iter_get_basic(&value,
1285 } else if (g_str_equal(key, "StayConnected") == TRUE) {
1286 dbus_message_iter_get_basic(&value,
1288 } else if (g_str_equal(key, "EmergencyCall") == TRUE) {
1289 dbus_message_iter_get_basic(&value,
1295 case DBUS_TYPE_UINT32:
1296 if (g_str_equal(key, "PeriodicConnect") == TRUE) {
1297 dbus_message_iter_get_basic(&value,
1299 } else if (g_str_equal(key, "IdleTimeout") == TRUE) {
1300 dbus_message_iter_get_basic(&value,
1306 case DBUS_TYPE_STRING:
1307 if (g_str_equal(key, "RoamingPolicy") == TRUE) {
1308 dbus_message_iter_get_basic(&value, &val);
1309 roaming_policy = string2roamingpolicy(val);
1314 dbus_message_iter_next(&array);
1317 dbus_message_iter_next(&iter);
1318 dbus_message_iter_get_basic(&iter, ¬ify_path);
1320 if (notify_path == NULL) {
1325 session_path = g_strdup_printf("/sessions%s", notify_path);
1326 if (session_path == NULL) {
1331 session = g_hash_table_lookup(session_hash, session_path);
1332 if (session != NULL) {
1337 session = g_try_new0(struct connman_session, 1);
1338 if (session == NULL) {
1343 info = &session->info;
1344 info_last = &session->info_last;
1346 session->owner = g_strdup(owner);
1347 session->session_path = session_path;
1348 session->notify_path = g_strdup(notify_path);
1349 session->notify_watch =
1350 g_dbus_add_disconnect_watch(connection, session->owner,
1351 owner_disconnect, session, NULL);
1353 session->service_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1357 info->online = FALSE;
1358 info->priority = priority;
1359 info->avoid_handover = avoid_handover;
1360 info->stay_connected = stay_connected;
1361 info->periodic_connect = periodic_connect;
1362 info->idle_timeout = idle_timeout;
1363 info->ecall = ecall;
1364 info->roaming_policy = roaming_policy;
1368 if (allowed_bearers == NULL) {
1369 info->allowed_bearers =
1370 session_allowed_bearers_any();
1372 if (info->allowed_bearers == NULL) {
1377 info->allowed_bearers = allowed_bearers;
1380 g_hash_table_replace(session_hash, session->session_path, session);
1382 DBG("add %s", session->session_path);
1384 if (g_dbus_register_interface(connection, session->session_path,
1385 CONNMAN_SESSION_INTERFACE,
1386 session_methods, NULL,
1387 NULL, session, NULL) == FALSE) {
1388 connman_error("Failed to register %s", session->session_path);
1389 g_hash_table_remove(session_hash, session->session_path);
1396 g_dbus_send_reply(connection, msg,
1397 DBUS_TYPE_OBJECT_PATH, &session->session_path,
1401 update_allowed_bearers(session);
1403 if (info->ecall == TRUE) {
1404 ecall_session = session;
1405 update_ecall_sessions(session);
1408 info_last->bearer = info->bearer;
1409 info_last->online = info->online;
1410 info_last->priority = info->priority;
1411 info_last->avoid_handover = info->avoid_handover;
1412 info_last->stay_connected = info->stay_connected;
1413 info_last->periodic_connect = info->periodic_connect;
1414 info_last->idle_timeout = info->idle_timeout;
1415 info_last->ecall = info->ecall;
1416 info_last->roaming_policy = info->roaming_policy;
1417 info_last->entry = info->entry;
1418 info_last->marker = info->marker;
1419 info_last->allowed_bearers = info->allowed_bearers;
1420 update_info(info_last);
1422 session->info_dirty = TRUE;
1423 session->append_all = TRUE;
1425 session_changed(session, CONNMAN_SESSION_TRIGGER_SETTING);
1430 connman_error("Failed to create session");
1431 g_free(session_path);
1433 g_slist_foreach(allowed_bearers, cleanup_bearer_info, NULL);
1434 g_slist_free(allowed_bearers);
1439 int __connman_session_destroy(DBusMessage *msg)
1441 const char *owner, *session_path;
1442 struct connman_session *session;
1444 owner = dbus_message_get_sender(msg);
1446 DBG("owner %s", owner);
1448 dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &session_path,
1450 if (session_path == NULL)
1453 session = g_hash_table_lookup(session_hash, session_path);
1454 if (session == NULL)
1457 if (g_strcmp0(owner, session->owner) != 0)
1460 session_disconnect(session);
1465 connman_bool_t __connman_session_mode()
1470 void __connman_session_set_mode(connman_bool_t enable)
1472 DBG("enable %d", enable);
1474 if (sessionmode == enable)
1477 sessionmode = enable;
1479 if (sessionmode == TRUE)
1480 __connman_service_disconnect_all();
1483 static void service_add(struct connman_service *service)
1485 GHashTableIter iter;
1486 GSequenceIter *iter_service_list;
1487 gpointer key, value;
1488 struct connman_session *session;
1490 DBG("service %p", service);
1492 g_hash_table_iter_init(&iter, session_hash);
1494 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1497 if (service_match(session, service) == FALSE)
1501 g_sequence_insert_sorted(session->service_list,
1502 service, sort_services,
1505 g_hash_table_replace(session->service_hash, service,
1508 session_changed(session, CONNMAN_SESSION_TRIGGER_SERVICE);
1512 static void service_remove(struct connman_service *service)
1515 GHashTableIter iter;
1516 gpointer key, value;
1517 struct connman_session *session;
1518 struct session_info *info;
1520 DBG("service %p", service);
1522 g_hash_table_iter_init(&iter, session_hash);
1524 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1525 GSequenceIter *iter;
1527 info = &session->info;
1529 iter = g_hash_table_lookup(session->service_hash, service);
1533 g_sequence_remove(iter);
1536 session_changed(session, CONNMAN_SESSION_TRIGGER_SERVICE);
1540 static void service_state_changed(struct connman_service *service,
1541 enum connman_service_state state)
1543 GHashTableIter iter;
1544 gpointer key, value;
1545 struct connman_session *session;
1546 struct session_info *info, *info_last;
1548 DBG("service %p state %d", service, state);
1550 g_hash_table_iter_init(&iter, session_hash);
1552 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1554 info = &session->info;
1555 info_last = &session->info_last;
1557 if (info->entry != NULL && info->entry->service == service) {
1558 info->entry->state = state;
1559 info->online = is_connected(info->entry->state);
1560 if (info_last->online != info->online)
1561 session->info_dirty = TRUE;
1564 session_changed(session,
1565 CONNMAN_SESSION_TRIGGER_SERVICE);
1569 static void ipconfig_changed(struct connman_service *service,
1570 struct connman_ipconfig *ipconfig)
1572 GHashTableIter iter;
1573 gpointer key, value;
1574 struct connman_session *session;
1575 struct session_info *info;
1576 enum connman_ipconfig_type type;
1578 DBG("service %p ipconfig %p", service, ipconfig);
1580 type = __connman_ipconfig_get_config_type(ipconfig);
1582 g_hash_table_iter_init(&iter, session_hash);
1584 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1586 info = &session->info;
1588 if (info->entry != NULL && info->entry->service == service) {
1589 if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1590 ipconfig_ipv4_changed(session);
1591 else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1592 ipconfig_ipv6_changed(session);
1597 static struct connman_notifier session_notifier = {
1599 .service_add = service_add,
1600 .service_remove = service_remove,
1601 .service_state_changed = service_state_changed,
1602 .ipconfig_changed = ipconfig_changed,
1605 int __connman_session_init(void)
1611 connection = connman_dbus_get_connection();
1612 if (connection == NULL)
1615 err = connman_notifier_register(&session_notifier);
1617 dbus_connection_unref(connection);
1621 session_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1622 NULL, cleanup_session);
1624 sessionmode = FALSE;
1628 void __connman_session_cleanup(void)
1632 if (connection == NULL)
1635 connman_notifier_unregister(&session_notifier);
1637 g_hash_table_foreach(session_hash, release_session, NULL);
1638 g_hash_table_destroy(session_hash);
1640 dbus_connection_unref(connection);