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;
67 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;
347 if (session->append_all == TRUE ||
348 info->bearer != info_last->bearer) {
349 connman_dbus_dict_append_basic(dict, "Bearer",
352 info_last->bearer = info->bearer;
355 if (session->append_all == TRUE ||
356 info->online != info_last->online) {
357 connman_dbus_dict_append_basic(dict, "Online",
360 info_last->online = info->online;
363 if (session->append_all == TRUE ||
364 info->entry != info_last->entry) {
365 if (info->entry == NULL) {
369 name = info->entry->name;
370 service = info->entry->service;
373 connman_dbus_dict_append_basic(dict, "Name",
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);
759 idx = __connman_service_get_index(info->entry->service);
760 info->ifname = connman_inet_ifname(idx);
761 if (info->ifname == NULL)
765 info->online = FALSE;
770 static connman_bool_t explicit_connect(enum connman_session_reason reason)
773 case CONNMAN_SESSION_REASON_UNKNOWN:
774 case CONNMAN_SESSION_REASON_FREE_RIDE:
776 case CONNMAN_SESSION_REASON_CONNECT:
777 case CONNMAN_SESSION_REASON_PERIODIC:
784 static void test_and_disconnect(struct connman_session *session)
786 struct session_info *info = &session->info;
788 if (info->entry == NULL)
791 DBG("session %p reason %s service %p state %d",
792 session, reason2string(info->entry->reason),
793 info->entry->service, info->entry->state);
795 if (explicit_connect(info->entry->reason) == FALSE)
798 if (__connman_service_session_dec(info->entry->service) == TRUE)
801 if (ecall_session != NULL && ecall_session != session)
804 __connman_service_disconnect(info->entry->service);
810 static void select_and_connect(struct connman_session *session,
811 enum connman_session_reason reason)
813 struct session_info *info = &session->info;
814 struct service_entry *entry = NULL;
816 connman_bool_t do_connect = FALSE;
818 DBG("session %p reason %s", session, reason2string(reason));
820 iter = g_sequence_get_begin_iter(session->service_list);
822 while (g_sequence_iter_is_end(iter) == FALSE) {
823 entry = g_sequence_get(iter);
825 switch (entry->state) {
826 case CONNMAN_SERVICE_STATE_ASSOCIATION:
827 case CONNMAN_SERVICE_STATE_CONFIGURATION:
828 case CONNMAN_SERVICE_STATE_READY:
829 case CONNMAN_SERVICE_STATE_ONLINE:
830 /* connecting or connected */
832 case CONNMAN_SERVICE_STATE_IDLE:
833 case CONNMAN_SERVICE_STATE_DISCONNECT:
834 if (explicit_connect(reason) == TRUE)
837 case CONNMAN_SERVICE_STATE_UNKNOWN:
838 case CONNMAN_SERVICE_STATE_FAILURE:
846 iter = g_sequence_iter_next(iter);
849 if (info->entry != NULL && info->entry != entry)
850 test_and_disconnect(session);
854 info->entry->reason = reason;
856 if (explicit_connect(reason) == TRUE)
857 __connman_service_session_inc(info->entry->service);
859 if (do_connect == TRUE)
860 __connman_service_connect(info->entry->service);
864 static void session_changed(struct connman_session *session,
865 enum connman_session_trigger trigger)
867 struct session_info *info = &session->info;
868 struct session_info *info_last = &session->info_last;
872 * TODO: This only a placeholder for the 'real' algorithm to
873 * play a bit around. So we are going to improve it step by step.
876 DBG("session %p trigger %s", session, trigger2string(trigger));
879 case CONNMAN_SESSION_TRIGGER_UNKNOWN:
880 DBG("ignore session changed event");
882 case CONNMAN_SESSION_TRIGGER_SETTING:
883 if (info->entry != NULL) {
884 iter = g_hash_table_lookup(session->service_hash,
885 info->entry->service);
888 * This service is not part of this
891 test_and_disconnect(session);
895 if (info->online == FALSE) {
896 select_and_connect(session,
897 CONNMAN_SESSION_REASON_FREE_RIDE);
901 case CONNMAN_SESSION_TRIGGER_CONNECT:
902 if (info->online == TRUE) {
903 info->entry->reason = CONNMAN_SESSION_REASON_CONNECT;
904 __connman_service_session_inc(info->entry->service);
908 select_and_connect(session,
909 CONNMAN_SESSION_REASON_CONNECT);
912 case CONNMAN_SESSION_TRIGGER_DISCONNECT:
913 test_and_disconnect(session);
916 case CONNMAN_SESSION_TRIGGER_PERIODIC:
917 if (info->online == TRUE) {
918 info->entry->reason = CONNMAN_SESSION_REASON_PERIODIC;
919 __connman_service_session_inc(info->entry->service);
923 select_and_connect(session,
924 CONNMAN_SESSION_REASON_PERIODIC);
927 case CONNMAN_SESSION_TRIGGER_SERVICE:
928 if (info->online == TRUE)
931 if (info->stay_connected == TRUE) {
932 DBG("StayConnected");
933 select_and_connect(session,
934 CONNMAN_SESSION_REASON_CONNECT);
939 select_and_connect(session,
940 CONNMAN_SESSION_REASON_FREE_RIDE);
943 case CONNMAN_SESSION_TRIGGER_ECALL:
944 if (info->online == FALSE && info->entry->service != NULL)
945 test_and_disconnect(session);
950 if (info->entry != info_last->entry) {
952 session->info_dirty = TRUE;
955 session_notify(session);
958 static DBusMessage *connect_session(DBusConnection *conn,
959 DBusMessage *msg, void *user_data)
961 struct connman_session *session = user_data;
963 DBG("session %p", session);
965 if (ecall_session != NULL && ecall_session != session)
966 return __connman_error_failed(msg, EBUSY);
968 session_changed(session, CONNMAN_SESSION_TRIGGER_CONNECT);
970 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
973 static DBusMessage *disconnect_session(DBusConnection *conn,
974 DBusMessage *msg, void *user_data)
976 struct connman_session *session = user_data;
978 DBG("session %p", session);
980 if (ecall_session != NULL && ecall_session != session)
981 return __connman_error_failed(msg, EBUSY);
983 session_changed(session, CONNMAN_SESSION_TRIGGER_DISCONNECT);
985 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
988 static struct service_entry *create_service_entry(struct connman_service *service,
990 enum connman_service_state state)
992 struct service_entry *entry;
994 entry = g_try_new0(struct service_entry, 1);
998 entry->reason = CONNMAN_SESSION_REASON_UNKNOWN;
999 entry->state = state;
1001 entry->service = service;
1006 static void destroy_service_entry(gpointer data)
1008 struct service_entry *entry = data;
1013 static void update_allowed_bearers(struct connman_session *session)
1015 struct service_entry *entry;
1016 GSequenceIter *iter;
1018 if (session->service_list != NULL) {
1019 g_hash_table_remove_all(session->service_hash);
1020 g_sequence_free(session->service_list);
1023 session->service_list = __connman_service_get_list(session,
1025 create_service_entry,
1026 destroy_service_entry);
1028 g_sequence_sort(session->service_list, sort_services, session);
1030 iter = g_sequence_get_begin_iter(session->service_list);
1032 while (g_sequence_iter_is_end(iter) == FALSE) {
1033 entry = g_sequence_get(iter);
1035 DBG("service %p type %s name %s", entry->service,
1036 service2bearer(connman_service_get_type(entry->service)),
1037 __connman_service_get_name(entry->service));
1039 g_hash_table_replace(session->service_hash,
1040 entry->service, iter);
1042 iter = g_sequence_iter_next(iter);
1045 session->info_dirty = TRUE;
1048 static void update_ecall_sessions(struct connman_session *session)
1050 struct session_info *info = &session->info;
1051 struct connman_session *session_iter;
1052 GHashTableIter iter;
1053 gpointer key, value;
1055 g_hash_table_iter_init(&iter, session_hash);
1057 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1058 session_iter = value;
1060 if (session_iter == session)
1063 session_iter->info.ecall = info->ecall;
1064 session_iter->info_dirty = TRUE;
1066 session_changed(session_iter, CONNMAN_SESSION_TRIGGER_ECALL);
1070 static void update_ecall(struct connman_session *session)
1072 struct session_info *info = &session->info;
1073 struct session_info *info_last = &session->info_last;
1075 DBG("session %p ecall_session %p ecall %d -> %d", session,
1076 ecall_session, info_last->ecall, info->ecall);
1078 if (ecall_session == NULL) {
1079 if (!(info_last->ecall == FALSE && info->ecall == TRUE))
1082 ecall_session = session;
1083 } else if (ecall_session == session) {
1084 if (!(info_last->ecall == TRUE && info->ecall == FALSE))
1087 ecall_session = NULL;
1092 update_ecall_sessions(session);
1094 session->info_dirty = TRUE;
1098 /* not a valid transition */
1099 info->ecall = info_last->ecall;
1102 static DBusMessage *change_session(DBusConnection *conn,
1103 DBusMessage *msg, void *user_data)
1105 struct connman_session *session = user_data;
1106 struct session_info *info = &session->info;
1107 struct session_info *info_last = &session->info_last;
1108 DBusMessageIter iter, value;
1110 GSList *allowed_bearers;
1112 DBG("session %p", session);
1113 if (dbus_message_iter_init(msg, &iter) == FALSE)
1114 return __connman_error_invalid_arguments(msg);
1116 dbus_message_iter_get_basic(&iter, &name);
1117 dbus_message_iter_next(&iter);
1118 dbus_message_iter_recurse(&iter, &value);
1120 switch (dbus_message_iter_get_arg_type(&value)) {
1121 case DBUS_TYPE_ARRAY:
1122 if (g_str_equal(name, "AllowedBearers") == TRUE) {
1123 allowed_bearers = session_parse_allowed_bearers(&value);
1125 g_slist_foreach(info->allowed_bearers,
1126 cleanup_bearer_info, NULL);
1127 g_slist_free(info->allowed_bearers);
1129 if (allowed_bearers == NULL) {
1130 allowed_bearers = session_allowed_bearers_any();
1132 if (allowed_bearers == NULL)
1133 return __connman_error_failed(msg, ENOMEM);
1136 info->allowed_bearers = allowed_bearers;
1138 update_allowed_bearers(session);
1143 case DBUS_TYPE_BOOLEAN:
1144 if (g_str_equal(name, "Priority") == TRUE) {
1145 dbus_message_iter_get_basic(&value,
1148 if (info_last->priority != info->priority)
1149 session->info_dirty = TRUE;
1150 } else if (g_str_equal(name, "AvoidHandover") == TRUE) {
1151 dbus_message_iter_get_basic(&value,
1152 &info->avoid_handover);
1154 if (info_last->avoid_handover != info->avoid_handover)
1155 session->info_dirty = TRUE;
1156 } else if (g_str_equal(name, "StayConnected") == TRUE) {
1157 dbus_message_iter_get_basic(&value,
1158 &info->stay_connected);
1160 if (info_last->stay_connected != info->stay_connected)
1161 session->info_dirty = TRUE;
1162 } else if (g_str_equal(name, "EmergencyCall") == TRUE) {
1163 dbus_message_iter_get_basic(&value,
1166 update_ecall(session);
1171 case DBUS_TYPE_UINT32:
1172 if (g_str_equal(name, "PeriodicConnect") == TRUE) {
1173 dbus_message_iter_get_basic(&value,
1174 &info->periodic_connect);
1176 if (info_last->periodic_connect != info->periodic_connect)
1177 session->info_dirty = TRUE;
1178 } else if (g_str_equal(name, "IdleTimeout") == TRUE) {
1179 dbus_message_iter_get_basic(&value,
1180 &info->idle_timeout);
1182 if (info_last->idle_timeout != info->idle_timeout)
1183 session->info_dirty = TRUE;
1188 case DBUS_TYPE_STRING:
1189 if (g_str_equal(name, "RoamingPolicy") == TRUE) {
1191 dbus_message_iter_get_basic(&value, &val);
1192 info->roaming_policy =
1193 string2roamingpolicy(val);
1195 if (info_last->roaming_policy != info->roaming_policy)
1196 session->info_dirty = TRUE;
1205 if (session->info_dirty == TRUE)
1206 session_changed(session, CONNMAN_SESSION_TRIGGER_SETTING);
1208 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
1211 return __connman_error_invalid_arguments(msg);
1214 static GDBusMethodTable session_methods[] = {
1215 { "Destroy", "", "", destroy_session },
1216 { "Connect", "", "", connect_session },
1217 { "Disconnect", "", "", disconnect_session },
1218 { "Change", "sv", "", change_session },
1222 int __connman_session_create(DBusMessage *msg)
1224 const char *owner, *notify_path;
1225 char *session_path = NULL;
1226 DBusMessageIter iter, array;
1227 struct connman_session *session;
1228 struct session_info *info, *info_last;
1230 connman_bool_t priority = FALSE, avoid_handover = FALSE;
1231 connman_bool_t stay_connected = FALSE, ecall = FALSE;
1232 enum connman_session_roaming_policy roaming_policy =
1233 CONNMAN_SESSION_ROAMING_POLICY_FORBIDDEN;
1234 GSList *allowed_bearers = NULL;
1235 unsigned int periodic_connect = 0;
1236 unsigned int idle_timeout = 0;
1240 owner = dbus_message_get_sender(msg);
1242 DBG("owner %s", owner);
1244 if (ecall_session != NULL) {
1246 * If there is an emergency call already going on,
1247 * ignore session creation attempt
1253 dbus_message_iter_init(msg, &iter);
1254 dbus_message_iter_recurse(&iter, &array);
1256 while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
1257 DBusMessageIter entry, value;
1258 const char *key, *val;
1260 dbus_message_iter_recurse(&array, &entry);
1261 dbus_message_iter_get_basic(&entry, &key);
1263 dbus_message_iter_next(&entry);
1264 dbus_message_iter_recurse(&entry, &value);
1266 switch (dbus_message_iter_get_arg_type(&value)) {
1267 case DBUS_TYPE_ARRAY:
1268 if (g_str_equal(key, "AllowedBearers") == TRUE) {
1270 session_parse_allowed_bearers(&value);
1275 case DBUS_TYPE_BOOLEAN:
1276 if (g_str_equal(key, "Priority") == TRUE) {
1277 dbus_message_iter_get_basic(&value,
1279 } else if (g_str_equal(key, "AvoidHandover") == TRUE) {
1280 dbus_message_iter_get_basic(&value,
1282 } else if (g_str_equal(key, "StayConnected") == TRUE) {
1283 dbus_message_iter_get_basic(&value,
1285 } else if (g_str_equal(key, "EmergencyCall") == TRUE) {
1286 dbus_message_iter_get_basic(&value,
1292 case DBUS_TYPE_UINT32:
1293 if (g_str_equal(key, "PeriodicConnect") == TRUE) {
1294 dbus_message_iter_get_basic(&value,
1296 } else if (g_str_equal(key, "IdleTimeout") == TRUE) {
1297 dbus_message_iter_get_basic(&value,
1303 case DBUS_TYPE_STRING:
1304 if (g_str_equal(key, "RoamingPolicy") == TRUE) {
1305 dbus_message_iter_get_basic(&value, &val);
1306 roaming_policy = string2roamingpolicy(val);
1311 dbus_message_iter_next(&array);
1314 dbus_message_iter_next(&iter);
1315 dbus_message_iter_get_basic(&iter, ¬ify_path);
1317 if (notify_path == NULL) {
1322 session_path = g_strdup_printf("/sessions%s", notify_path);
1323 if (session_path == NULL) {
1328 session = g_hash_table_lookup(session_hash, session_path);
1329 if (session != NULL) {
1334 session = g_try_new0(struct connman_session, 1);
1335 if (session == NULL) {
1340 info = &session->info;
1341 info_last = &session->info_last;
1343 session->owner = g_strdup(owner);
1344 session->session_path = session_path;
1345 session->notify_path = g_strdup(notify_path);
1346 session->notify_watch =
1347 g_dbus_add_disconnect_watch(connection, session->owner,
1348 owner_disconnect, session, NULL);
1350 session->service_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1354 info->online = FALSE;
1355 info->priority = priority;
1356 info->avoid_handover = avoid_handover;
1357 info->stay_connected = stay_connected;
1358 info->periodic_connect = periodic_connect;
1359 info->idle_timeout = idle_timeout;
1360 info->ecall = ecall;
1361 info->roaming_policy = roaming_policy;
1365 if (allowed_bearers == NULL) {
1366 info->allowed_bearers =
1367 session_allowed_bearers_any();
1369 if (info->allowed_bearers == NULL) {
1374 info->allowed_bearers = allowed_bearers;
1377 g_hash_table_replace(session_hash, session->session_path, session);
1379 DBG("add %s", session->session_path);
1381 if (g_dbus_register_interface(connection, session->session_path,
1382 CONNMAN_SESSION_INTERFACE,
1383 session_methods, NULL,
1384 NULL, session, NULL) == FALSE) {
1385 connman_error("Failed to register %s", session->session_path);
1386 g_hash_table_remove(session_hash, session->session_path);
1393 g_dbus_send_reply(connection, msg,
1394 DBUS_TYPE_OBJECT_PATH, &session->session_path,
1398 update_allowed_bearers(session);
1400 if (info->ecall == TRUE) {
1401 ecall_session = session;
1402 update_ecall_sessions(session);
1405 info_last->bearer = info->bearer;
1406 info_last->online = info->online;
1407 info_last->priority = info->priority;
1408 info_last->avoid_handover = info->avoid_handover;
1409 info_last->stay_connected = info->stay_connected;
1410 info_last->periodic_connect = info->periodic_connect;
1411 info_last->idle_timeout = info->idle_timeout;
1412 info_last->ecall = info->ecall;
1413 info_last->roaming_policy = info->roaming_policy;
1414 info_last->entry = info->entry;
1415 info_last->marker = info->marker;
1416 info_last->allowed_bearers = info->allowed_bearers;
1417 update_info(info_last);
1419 session->info_dirty = TRUE;
1420 session->append_all = TRUE;
1422 session_changed(session, CONNMAN_SESSION_TRIGGER_SETTING);
1427 connman_error("Failed to create session");
1428 g_free(session_path);
1430 g_slist_foreach(allowed_bearers, cleanup_bearer_info, NULL);
1431 g_slist_free(allowed_bearers);
1436 int __connman_session_destroy(DBusMessage *msg)
1438 const char *owner, *session_path;
1439 struct connman_session *session;
1441 owner = dbus_message_get_sender(msg);
1443 DBG("owner %s", owner);
1445 dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &session_path,
1447 if (session_path == NULL)
1450 session = g_hash_table_lookup(session_hash, session_path);
1451 if (session == NULL)
1454 if (g_strcmp0(owner, session->owner) != 0)
1457 session_disconnect(session);
1462 connman_bool_t __connman_session_mode()
1467 void __connman_session_set_mode(connman_bool_t enable)
1469 DBG("enable %d", enable);
1471 if (sessionmode == enable)
1474 sessionmode = enable;
1476 if (sessionmode == TRUE)
1477 __connman_service_disconnect_all();
1480 static void service_add(struct connman_service *service)
1482 GHashTableIter iter;
1483 GSequenceIter *iter_service_list;
1484 gpointer key, value;
1485 struct connman_session *session;
1487 DBG("service %p", service);
1489 g_hash_table_iter_init(&iter, session_hash);
1491 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1494 if (service_match(session, service) == FALSE)
1498 g_sequence_insert_sorted(session->service_list,
1499 service, sort_services,
1502 g_hash_table_replace(session->service_hash, service,
1505 session_changed(session, CONNMAN_SESSION_TRIGGER_SERVICE);
1509 static void service_remove(struct connman_service *service)
1512 GHashTableIter iter;
1513 gpointer key, value;
1514 struct connman_session *session;
1515 struct session_info *info;
1517 DBG("service %p", service);
1519 g_hash_table_iter_init(&iter, session_hash);
1521 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1522 GSequenceIter *iter;
1524 info = &session->info;
1526 iter = g_hash_table_lookup(session->service_hash, service);
1530 g_sequence_remove(iter);
1533 session_changed(session, CONNMAN_SESSION_TRIGGER_SERVICE);
1537 static void service_state_changed(struct connman_service *service,
1538 enum connman_service_state state)
1540 GHashTableIter iter;
1541 gpointer key, value;
1542 struct connman_session *session;
1543 struct session_info *info, *info_last;
1545 DBG("service %p state %d", service, state);
1547 g_hash_table_iter_init(&iter, session_hash);
1549 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1551 info = &session->info;
1552 info_last = &session->info_last;
1554 if (info->entry != NULL && info->entry->service == service) {
1555 info->entry->state = state;
1556 info->online = is_connected(info->entry->state);
1557 if (info_last->online != info->online)
1558 session->info_dirty = TRUE;
1561 session_changed(session,
1562 CONNMAN_SESSION_TRIGGER_SERVICE);
1566 static void ipconfig_changed(struct connman_service *service,
1567 struct connman_ipconfig *ipconfig)
1569 GHashTableIter iter;
1570 gpointer key, value;
1571 struct connman_session *session;
1572 struct session_info *info;
1573 enum connman_ipconfig_type type;
1575 DBG("service %p ipconfig %p", service, ipconfig);
1577 type = __connman_ipconfig_get_config_type(ipconfig);
1579 g_hash_table_iter_init(&iter, session_hash);
1581 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1583 info = &session->info;
1585 if (info->entry != NULL && info->entry->service == service) {
1586 if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1587 ipconfig_ipv4_changed(session);
1588 else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1589 ipconfig_ipv6_changed(session);
1594 static struct connman_notifier session_notifier = {
1596 .service_add = service_add,
1597 .service_remove = service_remove,
1598 .service_state_changed = service_state_changed,
1599 .ipconfig_changed = ipconfig_changed,
1602 int __connman_session_init(void)
1608 connection = connman_dbus_get_connection();
1609 if (connection == NULL)
1612 err = connman_notifier_register(&session_notifier);
1614 dbus_connection_unref(connection);
1618 session_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1619 NULL, cleanup_session);
1621 sessionmode = FALSE;
1625 void __connman_session_cleanup(void)
1629 if (connection == NULL)
1632 connman_notifier_unregister(&session_notifier);
1634 g_hash_table_foreach(session_hash, release_session, NULL);
1635 g_hash_table_destroy(session_hash);
1637 dbus_connection_unref(connection);