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
33 static DBusConnection *connection;
34 static GHashTable *session_hash;
35 static connman_bool_t sessionmode;
36 static struct connman_session *ecall_session;
38 enum connman_session_trigger {
39 CONNMAN_SESSION_TRIGGER_UNKNOWN = 0,
40 CONNMAN_SESSION_TRIGGER_SETTING = 1,
41 CONNMAN_SESSION_TRIGGER_CONNECT = 2,
42 CONNMAN_SESSION_TRIGGER_DISCONNECT = 3,
43 CONNMAN_SESSION_TRIGGER_PERIODIC = 4,
44 CONNMAN_SESSION_TRIGGER_SERVICE = 5,
45 CONNMAN_SESSION_TRIGGER_ECALL = 6,
48 enum connman_session_reason {
49 CONNMAN_SESSION_REASON_UNKNOWN = 0,
50 CONNMAN_SESSION_REASON_CONNECT = 1,
51 CONNMAN_SESSION_REASON_FREE_RIDE = 2,
52 CONNMAN_SESSION_REASON_PERIODIC = 3,
55 enum connman_session_roaming_policy {
56 CONNMAN_SESSION_ROAMING_POLICY_UNKNOWN = 0,
57 CONNMAN_SESSION_ROAMING_POLICY_DEFAULT = 1,
58 CONNMAN_SESSION_ROAMING_POLICY_ALWAYS = 2,
59 CONNMAN_SESSION_ROAMING_POLICY_FORBIDDEN = 3,
60 CONNMAN_SESSION_ROAMING_POLICY_NATIONAL = 4,
61 CONNMAN_SESSION_ROAMING_POLICY_INTERNATIONAL = 5,
64 struct service_entry {
65 /* track why this service was selected */
66 enum connman_session_reason reason;
67 enum connman_service_state state;
69 struct connman_service *service;
75 connman_bool_t online;
76 connman_bool_t priority;
77 GSList *allowed_bearers;
78 connman_bool_t avoid_handover;
79 connman_bool_t stay_connected;
80 unsigned int periodic_connect;
81 unsigned int idle_timeout;
83 enum connman_session_roaming_policy roaming_policy;
86 struct service_entry *entry;
89 struct connman_session {
95 connman_bool_t append_all;
96 connman_bool_t info_dirty;
97 struct session_info *info;
98 struct session_info *info_last;
100 GSequence *service_list;
101 GHashTable *service_hash;
106 connman_bool_t match_all;
107 enum connman_service_type service_type;
110 static const char *trigger2string(enum connman_session_trigger trigger)
113 case CONNMAN_SESSION_TRIGGER_UNKNOWN:
115 case CONNMAN_SESSION_TRIGGER_SETTING:
117 case CONNMAN_SESSION_TRIGGER_CONNECT:
119 case CONNMAN_SESSION_TRIGGER_DISCONNECT:
121 case CONNMAN_SESSION_TRIGGER_PERIODIC:
123 case CONNMAN_SESSION_TRIGGER_SERVICE:
125 case CONNMAN_SESSION_TRIGGER_ECALL:
132 static const char *reason2string(enum connman_session_reason reason)
135 case CONNMAN_SESSION_REASON_UNKNOWN:
137 case CONNMAN_SESSION_REASON_CONNECT:
139 case CONNMAN_SESSION_REASON_FREE_RIDE:
141 case CONNMAN_SESSION_REASON_PERIODIC:
148 static const char *roamingpolicy2string(enum connman_session_roaming_policy policy)
151 case CONNMAN_SESSION_ROAMING_POLICY_UNKNOWN:
153 case CONNMAN_SESSION_ROAMING_POLICY_DEFAULT:
155 case CONNMAN_SESSION_ROAMING_POLICY_ALWAYS:
157 case CONNMAN_SESSION_ROAMING_POLICY_FORBIDDEN:
159 case CONNMAN_SESSION_ROAMING_POLICY_NATIONAL:
161 case CONNMAN_SESSION_ROAMING_POLICY_INTERNATIONAL:
162 return "international";
168 static enum connman_session_roaming_policy string2roamingpolicy(const char *policy)
170 if (g_strcmp0(policy, "default") == 0)
171 return CONNMAN_SESSION_ROAMING_POLICY_DEFAULT;
172 else if (g_strcmp0(policy, "always") == 0)
173 return CONNMAN_SESSION_ROAMING_POLICY_ALWAYS;
174 else if (g_strcmp0(policy, "forbidden") == 0)
175 return CONNMAN_SESSION_ROAMING_POLICY_FORBIDDEN;
176 else if (g_strcmp0(policy, "national") == 0)
177 return CONNMAN_SESSION_ROAMING_POLICY_NATIONAL;
178 else if (g_strcmp0(policy, "international") == 0)
179 return CONNMAN_SESSION_ROAMING_POLICY_INTERNATIONAL;
181 return CONNMAN_SESSION_ROAMING_POLICY_UNKNOWN;
184 static enum connman_service_type bearer2service(const char *bearer)
187 return CONNMAN_SERVICE_TYPE_UNKNOWN;
189 if (g_strcmp0(bearer, "ethernet") == 0)
190 return CONNMAN_SERVICE_TYPE_ETHERNET;
191 else if (g_strcmp0(bearer, "wifi") == 0)
192 return CONNMAN_SERVICE_TYPE_WIFI;
193 else if (g_strcmp0(bearer, "wimax") == 0)
194 return CONNMAN_SERVICE_TYPE_WIMAX;
195 else if (g_strcmp0(bearer, "bluetooth") == 0)
196 return CONNMAN_SERVICE_TYPE_BLUETOOTH;
197 else if (g_strcmp0(bearer, "3g") == 0)
198 return CONNMAN_SERVICE_TYPE_CELLULAR;
200 return CONNMAN_SERVICE_TYPE_UNKNOWN;
203 static char *service2bearer(enum connman_service_type type)
206 case CONNMAN_SERVICE_TYPE_ETHERNET:
208 case CONNMAN_SERVICE_TYPE_WIFI:
210 case CONNMAN_SERVICE_TYPE_WIMAX:
212 case CONNMAN_SERVICE_TYPE_BLUETOOTH:
214 case CONNMAN_SERVICE_TYPE_CELLULAR:
216 case CONNMAN_SERVICE_TYPE_UNKNOWN:
217 case CONNMAN_SERVICE_TYPE_SYSTEM:
218 case CONNMAN_SERVICE_TYPE_GPS:
219 case CONNMAN_SERVICE_TYPE_VPN:
220 case CONNMAN_SERVICE_TYPE_GADGET:
227 static void cleanup_bearer_info(gpointer data, gpointer user_data)
229 struct bearer_info *info = data;
235 static GSList *session_parse_allowed_bearers(DBusMessageIter *iter)
237 struct bearer_info *info;
238 DBusMessageIter array;
241 dbus_message_iter_recurse(iter, &array);
243 while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_STRING) {
246 dbus_message_iter_get_basic(&array, &bearer);
248 info = g_try_new0(struct bearer_info, 1);
250 g_slist_foreach(list, cleanup_bearer_info, NULL);
256 info->name = g_strdup(bearer);
257 info->service_type = bearer2service(info->name);
259 if (info->service_type == CONNMAN_SERVICE_TYPE_UNKNOWN &&
260 g_strcmp0(info->name, "*") == 0) {
261 info->match_all = TRUE;
263 info->match_all = FALSE;
266 list = g_slist_append(list, info);
268 dbus_message_iter_next(&array);
274 static GSList *session_allowed_bearers_any(void)
276 struct bearer_info *info;
279 info = g_try_new0(struct bearer_info, 1);
286 info->name = g_strdup("");
287 info->match_all = TRUE;
288 info->service_type = CONNMAN_SERVICE_TYPE_UNKNOWN;
290 list = g_slist_append(list, info);
295 static void append_allowed_bearers(DBusMessageIter *iter, void *user_data)
297 struct session_info *info = user_data;
300 for (list = info->allowed_bearers;
301 list != NULL; list = list->next) {
302 struct bearer_info *info = list->data;
304 dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING,
309 static void append_ipconfig_ipv4(DBusMessageIter *iter, void *user_data)
311 struct connman_service *service = user_data;
312 struct connman_ipconfig *ipconfig_ipv4;
317 ipconfig_ipv4 = __connman_service_get_ip4config(service);
318 if (ipconfig_ipv4 == NULL)
321 __connman_ipconfig_append_ipv4(ipconfig_ipv4, iter);
324 static void append_ipconfig_ipv6(DBusMessageIter *iter, void *user_data)
326 struct connman_service *service = user_data;
327 struct connman_ipconfig *ipconfig_ipv4, *ipconfig_ipv6;
332 ipconfig_ipv4 = __connman_service_get_ip4config(service);
333 ipconfig_ipv6 = __connman_service_get_ip6config(service);
334 if (ipconfig_ipv6 == NULL)
337 __connman_ipconfig_append_ipv6(ipconfig_ipv6, iter, ipconfig_ipv4);
340 static void append_notify(DBusMessageIter *dict,
341 struct connman_session *session)
343 struct session_info *info = session->info;
344 struct session_info *info_last = session->info_last;
346 struct connman_service *service;
347 const char *name, *ifname, *bearer;
349 if (session->append_all == TRUE ||
350 info->online != info_last->online) {
351 connman_dbus_dict_append_basic(dict, "Online",
354 info_last->online = info->online;
357 if (session->append_all == TRUE ||
358 info->entry != info_last->entry) {
359 if (info->entry == NULL) {
365 name = info->entry->name;
366 ifname = info->entry->ifname;
367 service = info->entry->service;
368 bearer = info->entry->bearer;
371 connman_dbus_dict_append_basic(dict, "Name",
375 connman_dbus_dict_append_dict(dict, "IPv4",
376 append_ipconfig_ipv4,
379 connman_dbus_dict_append_dict(dict, "IPv6",
380 append_ipconfig_ipv6,
383 connman_dbus_dict_append_basic(dict, "Interface",
387 connman_dbus_dict_append_basic(dict, "Bearer",
391 info_last->entry = info->entry;
395 if (session->append_all == TRUE ||
396 info->priority != info_last->priority) {
397 connman_dbus_dict_append_basic(dict, "Priority",
400 info_last->priority = info->priority;
403 if (session->append_all == TRUE ||
404 info->allowed_bearers != info_last->allowed_bearers) {
405 connman_dbus_dict_append_array(dict, "AllowedBearers",
407 append_allowed_bearers,
409 info_last->allowed_bearers = info->allowed_bearers;
412 if (session->append_all == TRUE ||
413 info->avoid_handover != info_last->avoid_handover) {
414 connman_dbus_dict_append_basic(dict, "AvoidHandover",
416 &info->avoid_handover);
417 info_last->avoid_handover = info->avoid_handover;
420 if (session->append_all == TRUE ||
421 info->stay_connected != info_last->stay_connected) {
422 connman_dbus_dict_append_basic(dict, "StayConnected",
424 &info->stay_connected);
425 info_last->stay_connected = info->stay_connected;
428 if (session->append_all == TRUE ||
429 info->periodic_connect != info_last->periodic_connect) {
430 connman_dbus_dict_append_basic(dict, "PeriodicConnect",
432 &info->periodic_connect);
433 info_last->periodic_connect = info->periodic_connect;
436 if (session->append_all == TRUE ||
437 info->idle_timeout != info_last->idle_timeout) {
438 connman_dbus_dict_append_basic(dict, "IdleTimeout",
440 &info->idle_timeout);
441 info_last->idle_timeout = info->idle_timeout;
444 if (session->append_all == TRUE ||
445 info->ecall != info_last->ecall) {
446 connman_dbus_dict_append_basic(dict, "EmergencyCall",
449 info_last->ecall = info->ecall;
452 if (session->append_all == TRUE ||
453 info->roaming_policy != info_last->roaming_policy) {
454 policy = roamingpolicy2string(info->roaming_policy);
455 connman_dbus_dict_append_basic(dict, "RoamingPolicy",
458 info_last->roaming_policy = info->roaming_policy;
461 if (session->append_all == TRUE ||
462 info->marker != info_last->marker) {
463 connman_dbus_dict_append_basic(dict, "SessionMarker",
466 info_last->marker = info->marker;
469 session->append_all = FALSE;
470 session->info_dirty = FALSE;
473 static gboolean session_notify(gpointer user_data)
475 struct connman_session *session = user_data;
477 DBusMessageIter array, dict;
479 if (session->info_dirty == FALSE)
482 DBG("session %p owner %s notify_path %s", session,
483 session->owner, session->notify_path);
485 msg = dbus_message_new_method_call(session->owner, session->notify_path,
486 CONNMAN_NOTIFICATION_INTERFACE,
491 dbus_message_iter_init_append(msg, &array);
492 connman_dbus_dict_open(&array, &dict);
494 append_notify(&dict, session);
496 connman_dbus_dict_close(&array, &dict);
498 g_dbus_send_message(connection, msg);
500 session->info_dirty = FALSE;
505 static void ipconfig_ipv4_changed(struct connman_session *session)
507 struct session_info *info = session->info;
509 connman_dbus_setting_changed_dict(session->owner, session->notify_path,
510 "IPv4", append_ipconfig_ipv4,
511 info->entry->service);
514 static void ipconfig_ipv6_changed(struct connman_session *session)
516 struct session_info *info = session->info;
518 connman_dbus_setting_changed_dict(session->owner, session->notify_path,
519 "IPv6", append_ipconfig_ipv6,
520 info->entry->service);
523 static connman_bool_t service_type_match(struct connman_session *session,
524 struct connman_service *service)
526 struct session_info *info = session->info;
529 for (list = info->allowed_bearers;
530 list != NULL; list = list->next) {
531 struct bearer_info *info = list->data;
532 enum connman_service_type service_type;
534 if (info->match_all == TRUE)
537 service_type = connman_service_get_type(service);
538 if (info->service_type == service_type)
545 static connman_bool_t service_match(struct connman_session *session,
546 struct connman_service *service)
548 if (service_type_match(session, service) == FALSE)
554 static int service_type_weight(enum connman_service_type type)
557 * The session doesn't care which service
558 * to use. Nevertheless we have to sort them
559 * according their type. The ordering is
568 case CONNMAN_SERVICE_TYPE_ETHERNET:
570 case CONNMAN_SERVICE_TYPE_BLUETOOTH:
572 case CONNMAN_SERVICE_TYPE_WIFI:
573 case CONNMAN_SERVICE_TYPE_WIMAX:
575 case CONNMAN_SERVICE_TYPE_CELLULAR:
577 case CONNMAN_SERVICE_TYPE_UNKNOWN:
578 case CONNMAN_SERVICE_TYPE_SYSTEM:
579 case CONNMAN_SERVICE_TYPE_GPS:
580 case CONNMAN_SERVICE_TYPE_VPN:
581 case CONNMAN_SERVICE_TYPE_GADGET:
588 static gint sort_allowed_bearers(struct connman_service *service_a,
589 struct connman_service *service_b,
590 struct connman_session *session)
592 struct session_info *info = session->info;
594 enum connman_service_type type_a, type_b;
595 int weight_a, weight_b;
597 type_a = connman_service_get_type(service_a);
598 type_b = connman_service_get_type(service_b);
600 for (list = info->allowed_bearers;
601 list != NULL; list = list->next) {
602 struct bearer_info *info = list->data;
604 if (info->match_all == TRUE) {
605 if (type_a != type_b) {
606 weight_a = service_type_weight(type_a);
607 weight_b = service_type_weight(type_b);
609 if (weight_a > weight_b)
612 if (weight_a < weight_b)
619 if (type_a == info->service_type &&
620 type_b == info->service_type) {
624 if (type_a == info->service_type &&
625 type_b != info->service_type) {
629 if (type_a != info->service_type &&
630 type_b == info->service_type) {
638 static gint sort_services(gconstpointer a, gconstpointer b, gpointer user_data)
640 struct service_entry *entry_a = (void *)a;
641 struct service_entry *entry_b = (void *)b;
642 struct connman_session *session = user_data;
644 return sort_allowed_bearers(entry_a->service, entry_b->service,
648 static void cleanup_session(gpointer user_data)
650 struct connman_session *session = user_data;
651 struct session_info *info = session->info;
653 DBG("remove %s", session->session_path);
655 g_hash_table_destroy(session->service_hash);
656 g_sequence_free(session->service_list);
658 if (info->entry != NULL &&
659 info->entry->reason == CONNMAN_SESSION_REASON_CONNECT) {
660 __connman_service_disconnect(info->entry->service);
663 g_slist_foreach(info->allowed_bearers, cleanup_bearer_info, NULL);
664 g_slist_free(info->allowed_bearers);
666 g_free(session->owner);
667 g_free(session->session_path);
668 g_free(session->notify_path);
669 g_free(session->info);
670 g_free(session->info_last);
675 static void release_session(gpointer key, gpointer value, gpointer user_data)
677 struct connman_session *session = value;
678 DBusMessage *message;
680 DBG("owner %s path %s", session->owner, session->notify_path);
682 if (session->notify_watch > 0)
683 g_dbus_remove_watch(connection, session->notify_watch);
685 g_dbus_unregister_interface(connection, session->session_path,
686 CONNMAN_SESSION_INTERFACE);
688 message = dbus_message_new_method_call(session->owner,
689 session->notify_path,
690 CONNMAN_NOTIFICATION_INTERFACE,
695 dbus_message_set_no_reply(message, TRUE);
697 g_dbus_send_message(connection, message);
700 static int session_disconnect(struct connman_session *session)
702 DBG("session %p, %s", session, session->owner);
704 if (session->notify_watch > 0)
705 g_dbus_remove_watch(connection, session->notify_watch);
707 g_dbus_unregister_interface(connection, session->session_path,
708 CONNMAN_SESSION_INTERFACE);
710 g_hash_table_remove(session_hash, session->session_path);
715 static void owner_disconnect(DBusConnection *conn, void *user_data)
717 struct connman_session *session = user_data;
719 DBG("session %p, %s died", session, session->owner);
721 session_disconnect(session);
724 static DBusMessage *destroy_session(DBusConnection *conn,
725 DBusMessage *msg, void *user_data)
727 struct connman_session *session = user_data;
729 DBG("session %p", session);
731 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
734 static connman_bool_t is_connected(enum connman_service_state state)
737 case CONNMAN_SERVICE_STATE_UNKNOWN:
738 case CONNMAN_SERVICE_STATE_IDLE:
739 case CONNMAN_SERVICE_STATE_ASSOCIATION:
740 case CONNMAN_SERVICE_STATE_CONFIGURATION:
741 case CONNMAN_SERVICE_STATE_DISCONNECT:
742 case CONNMAN_SERVICE_STATE_FAILURE:
744 case CONNMAN_SERVICE_STATE_READY:
745 case CONNMAN_SERVICE_STATE_ONLINE:
752 static connman_bool_t explicit_connect(enum connman_session_reason reason)
755 case CONNMAN_SESSION_REASON_UNKNOWN:
756 case CONNMAN_SESSION_REASON_FREE_RIDE:
758 case CONNMAN_SESSION_REASON_CONNECT:
759 case CONNMAN_SESSION_REASON_PERIODIC:
766 static void test_and_disconnect(struct connman_session *session)
768 struct session_info *info = session->info;
770 if (info->entry == NULL)
773 DBG("session %p reason %s service %p state %d",
774 session, reason2string(info->entry->reason),
775 info->entry->service, info->entry->state);
777 if (explicit_connect(info->entry->reason) == FALSE)
780 if (__connman_service_session_dec(info->entry->service) == TRUE)
783 if (ecall_session != NULL && ecall_session != session)
786 __connman_service_disconnect(info->entry->service);
789 * TODO: We should mark this entry as pending work. In case
790 * disconnect fails we just unassign this session from the
791 * service and can't do anything later on it
795 info->online = FALSE;
799 static void select_and_connect(struct connman_session *session,
800 enum connman_session_reason reason)
802 struct session_info *info = session->info;
803 struct service_entry *entry = NULL;
805 connman_bool_t do_connect = FALSE;
807 DBG("session %p reason %s", session, reason2string(reason));
809 iter = g_sequence_get_begin_iter(session->service_list);
811 while (g_sequence_iter_is_end(iter) == FALSE) {
812 entry = g_sequence_get(iter);
814 switch (entry->state) {
815 case CONNMAN_SERVICE_STATE_ASSOCIATION:
816 case CONNMAN_SERVICE_STATE_CONFIGURATION:
817 case CONNMAN_SERVICE_STATE_READY:
818 case CONNMAN_SERVICE_STATE_ONLINE:
819 /* connecting or connected */
821 case CONNMAN_SERVICE_STATE_IDLE:
822 case CONNMAN_SERVICE_STATE_DISCONNECT:
823 if (explicit_connect(reason) == TRUE)
826 case CONNMAN_SERVICE_STATE_UNKNOWN:
827 case CONNMAN_SERVICE_STATE_FAILURE:
835 iter = g_sequence_iter_next(iter);
838 if (info->entry != NULL && info->entry != entry)
839 test_and_disconnect(session);
843 info->entry->reason = reason;
845 if (explicit_connect(reason) == TRUE)
846 __connman_service_session_inc(info->entry->service);
848 if (do_connect == TRUE)
849 __connman_service_connect(info->entry->service);
851 info->online = is_connected(entry->state);
855 static void session_changed(struct connman_session *session,
856 enum connman_session_trigger trigger)
858 struct session_info *info = session->info;
859 struct session_info *info_last = session->info_last;
863 * TODO: This only a placeholder for the 'real' algorithm to
864 * play a bit around. So we are going to improve it step by step.
867 DBG("session %p trigger %s", session, trigger2string(trigger));
870 case CONNMAN_SESSION_TRIGGER_UNKNOWN:
871 DBG("ignore session changed event");
873 case CONNMAN_SESSION_TRIGGER_SETTING:
874 if (info->entry != NULL) {
875 iter = g_hash_table_lookup(session->service_hash,
876 info->entry->service);
879 * This service is not part of this
882 test_and_disconnect(session);
886 if (info->online == FALSE) {
887 select_and_connect(session,
888 CONNMAN_SESSION_REASON_FREE_RIDE);
892 case CONNMAN_SESSION_TRIGGER_CONNECT:
893 if (info->online == TRUE) {
894 info->entry->reason = CONNMAN_SESSION_REASON_CONNECT;
895 __connman_service_session_inc(info->entry->service);
899 select_and_connect(session,
900 CONNMAN_SESSION_REASON_CONNECT);
903 case CONNMAN_SESSION_TRIGGER_DISCONNECT:
904 test_and_disconnect(session);
907 case CONNMAN_SESSION_TRIGGER_PERIODIC:
908 if (info->online == TRUE) {
909 info->entry->reason = CONNMAN_SESSION_REASON_PERIODIC;
910 __connman_service_session_inc(info->entry->service);
914 select_and_connect(session,
915 CONNMAN_SESSION_REASON_PERIODIC);
918 case CONNMAN_SESSION_TRIGGER_SERVICE:
919 if (info->online == TRUE)
922 if (info->stay_connected == TRUE) {
923 DBG("StayConnected");
924 select_and_connect(session,
925 CONNMAN_SESSION_REASON_CONNECT);
930 select_and_connect(session,
931 CONNMAN_SESSION_REASON_FREE_RIDE);
934 case CONNMAN_SESSION_TRIGGER_ECALL:
935 if (info->online == FALSE && info->entry->service != NULL)
936 test_and_disconnect(session);
941 if (info->entry != info_last->entry)
942 session->info_dirty = TRUE;
944 session_notify(session);
947 static DBusMessage *connect_session(DBusConnection *conn,
948 DBusMessage *msg, void *user_data)
950 struct connman_session *session = user_data;
952 DBG("session %p", session);
954 if (ecall_session != NULL && ecall_session != session)
955 return __connman_error_failed(msg, EBUSY);
957 session_changed(session, CONNMAN_SESSION_TRIGGER_CONNECT);
959 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
962 static DBusMessage *disconnect_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_DISCONNECT);
974 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
977 static struct service_entry *create_service_entry(struct connman_service *service,
979 enum connman_service_state state)
981 struct service_entry *entry;
982 enum connman_service_type type;
985 entry = g_try_new0(struct service_entry, 1);
989 entry->reason = CONNMAN_SESSION_REASON_UNKNOWN;
990 entry->state = state;
992 entry->service = service;
994 idx = __connman_service_get_index(entry->service);
995 entry->ifname = connman_inet_ifname(idx);
996 if (entry->ifname == NULL)
999 type = connman_service_get_type(entry->service);
1000 entry->bearer = service2bearer(type);
1005 static void destroy_service_entry(gpointer data)
1007 struct service_entry *entry = data;
1012 static void update_allowed_bearers(struct connman_session *session)
1014 struct service_entry *entry;
1015 GSequenceIter *iter;
1017 if (session->service_list != NULL) {
1018 g_hash_table_remove_all(session->service_hash);
1019 g_sequence_free(session->service_list);
1022 session->service_list = __connman_service_get_list(session,
1024 create_service_entry,
1025 destroy_service_entry);
1027 g_sequence_sort(session->service_list, sort_services, session);
1029 iter = g_sequence_get_begin_iter(session->service_list);
1031 while (g_sequence_iter_is_end(iter) == FALSE) {
1032 entry = g_sequence_get(iter);
1034 DBG("service %p type %s name %s", entry->service,
1035 service2bearer(connman_service_get_type(entry->service)),
1038 g_hash_table_replace(session->service_hash,
1039 entry->service, iter);
1041 iter = g_sequence_iter_next(iter);
1044 session->info_dirty = TRUE;
1047 static void update_ecall_sessions(struct connman_session *session)
1049 struct session_info *info = session->info;
1050 struct connman_session *session_iter;
1051 GHashTableIter iter;
1052 gpointer key, value;
1054 g_hash_table_iter_init(&iter, session_hash);
1056 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1057 session_iter = value;
1059 if (session_iter == session)
1062 session_iter->info->ecall = info->ecall;
1063 session_iter->info_dirty = TRUE;
1065 session_changed(session_iter, CONNMAN_SESSION_TRIGGER_ECALL);
1069 static void update_ecall(struct connman_session *session)
1071 struct session_info *info = session->info;
1072 struct session_info *info_last = session->info_last;
1074 DBG("session %p ecall_session %p ecall %d -> %d", session,
1075 ecall_session, info_last->ecall, info->ecall);
1077 if (ecall_session == NULL) {
1078 if (!(info_last->ecall == FALSE && info->ecall == TRUE))
1081 ecall_session = session;
1082 } else if (ecall_session == session) {
1083 if (!(info_last->ecall == TRUE && info->ecall == FALSE))
1086 ecall_session = NULL;
1091 update_ecall_sessions(session);
1093 session->info_dirty = TRUE;
1097 /* not a valid transition */
1098 info->ecall = info_last->ecall;
1101 static DBusMessage *change_session(DBusConnection *conn,
1102 DBusMessage *msg, void *user_data)
1104 struct connman_session *session = user_data;
1105 struct session_info *info = session->info;
1106 struct session_info *info_last = session->info_last;
1107 DBusMessageIter iter, value;
1109 GSList *allowed_bearers;
1111 DBG("session %p", session);
1112 if (dbus_message_iter_init(msg, &iter) == FALSE)
1113 return __connman_error_invalid_arguments(msg);
1115 dbus_message_iter_get_basic(&iter, &name);
1116 dbus_message_iter_next(&iter);
1117 dbus_message_iter_recurse(&iter, &value);
1119 switch (dbus_message_iter_get_arg_type(&value)) {
1120 case DBUS_TYPE_ARRAY:
1121 if (g_str_equal(name, "AllowedBearers") == TRUE) {
1122 allowed_bearers = session_parse_allowed_bearers(&value);
1124 g_slist_foreach(info->allowed_bearers,
1125 cleanup_bearer_info, NULL);
1126 g_slist_free(info->allowed_bearers);
1128 if (allowed_bearers == NULL) {
1129 allowed_bearers = session_allowed_bearers_any();
1131 if (allowed_bearers == NULL)
1132 return __connman_error_failed(msg, ENOMEM);
1135 info->allowed_bearers = allowed_bearers;
1137 update_allowed_bearers(session);
1142 case DBUS_TYPE_BOOLEAN:
1143 if (g_str_equal(name, "Priority") == TRUE) {
1144 dbus_message_iter_get_basic(&value,
1147 if (info_last->priority != info->priority)
1148 session->info_dirty = TRUE;
1149 } else if (g_str_equal(name, "AvoidHandover") == TRUE) {
1150 dbus_message_iter_get_basic(&value,
1151 &info->avoid_handover);
1153 if (info_last->avoid_handover != info->avoid_handover)
1154 session->info_dirty = TRUE;
1155 } else if (g_str_equal(name, "StayConnected") == TRUE) {
1156 dbus_message_iter_get_basic(&value,
1157 &info->stay_connected);
1159 if (info_last->stay_connected != info->stay_connected)
1160 session->info_dirty = TRUE;
1161 } else if (g_str_equal(name, "EmergencyCall") == TRUE) {
1162 dbus_message_iter_get_basic(&value,
1165 update_ecall(session);
1170 case DBUS_TYPE_UINT32:
1171 if (g_str_equal(name, "PeriodicConnect") == TRUE) {
1172 dbus_message_iter_get_basic(&value,
1173 &info->periodic_connect);
1175 if (info_last->periodic_connect != info->periodic_connect)
1176 session->info_dirty = TRUE;
1177 } else if (g_str_equal(name, "IdleTimeout") == TRUE) {
1178 dbus_message_iter_get_basic(&value,
1179 &info->idle_timeout);
1181 if (info_last->idle_timeout != info->idle_timeout)
1182 session->info_dirty = TRUE;
1187 case DBUS_TYPE_STRING:
1188 if (g_str_equal(name, "RoamingPolicy") == TRUE) {
1190 dbus_message_iter_get_basic(&value, &val);
1191 info->roaming_policy =
1192 string2roamingpolicy(val);
1194 if (info_last->roaming_policy != info->roaming_policy)
1195 session->info_dirty = TRUE;
1204 if (session->info_dirty == TRUE)
1205 session_changed(session, CONNMAN_SESSION_TRIGGER_SETTING);
1207 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
1210 return __connman_error_invalid_arguments(msg);
1213 static GDBusMethodTable session_methods[] = {
1214 { "Destroy", "", "", destroy_session },
1215 { "Connect", "", "", connect_session },
1216 { "Disconnect", "", "", disconnect_session },
1217 { "Change", "sv", "", change_session },
1221 int __connman_session_create(DBusMessage *msg)
1223 const char *owner, *notify_path;
1224 char *session_path = NULL;
1225 DBusMessageIter iter, array;
1226 struct connman_session *session = NULL;
1227 struct session_info *info, *info_last;
1229 connman_bool_t priority = FALSE, avoid_handover = FALSE;
1230 connman_bool_t stay_connected = FALSE, ecall = FALSE;
1231 enum connman_session_roaming_policy roaming_policy =
1232 CONNMAN_SESSION_ROAMING_POLICY_FORBIDDEN;
1233 GSList *allowed_bearers = NULL;
1234 unsigned int periodic_connect = 0;
1235 unsigned int idle_timeout = 0;
1239 owner = dbus_message_get_sender(msg);
1241 DBG("owner %s", owner);
1243 if (ecall_session != NULL) {
1245 * If there is an emergency call already going on,
1246 * ignore session creation attempt
1252 dbus_message_iter_init(msg, &iter);
1253 dbus_message_iter_recurse(&iter, &array);
1255 while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
1256 DBusMessageIter entry, value;
1257 const char *key, *val;
1259 dbus_message_iter_recurse(&array, &entry);
1260 dbus_message_iter_get_basic(&entry, &key);
1262 dbus_message_iter_next(&entry);
1263 dbus_message_iter_recurse(&entry, &value);
1265 switch (dbus_message_iter_get_arg_type(&value)) {
1266 case DBUS_TYPE_ARRAY:
1267 if (g_str_equal(key, "AllowedBearers") == TRUE) {
1269 session_parse_allowed_bearers(&value);
1274 case DBUS_TYPE_BOOLEAN:
1275 if (g_str_equal(key, "Priority") == TRUE) {
1276 dbus_message_iter_get_basic(&value,
1278 } else if (g_str_equal(key, "AvoidHandover") == TRUE) {
1279 dbus_message_iter_get_basic(&value,
1281 } else if (g_str_equal(key, "StayConnected") == TRUE) {
1282 dbus_message_iter_get_basic(&value,
1284 } else if (g_str_equal(key, "EmergencyCall") == TRUE) {
1285 dbus_message_iter_get_basic(&value,
1291 case DBUS_TYPE_UINT32:
1292 if (g_str_equal(key, "PeriodicConnect") == TRUE) {
1293 dbus_message_iter_get_basic(&value,
1295 } else if (g_str_equal(key, "IdleTimeout") == TRUE) {
1296 dbus_message_iter_get_basic(&value,
1302 case DBUS_TYPE_STRING:
1303 if (g_str_equal(key, "RoamingPolicy") == TRUE) {
1304 dbus_message_iter_get_basic(&value, &val);
1305 roaming_policy = string2roamingpolicy(val);
1310 dbus_message_iter_next(&array);
1313 dbus_message_iter_next(&iter);
1314 dbus_message_iter_get_basic(&iter, ¬ify_path);
1316 if (notify_path == NULL) {
1321 session_path = g_strdup_printf("/sessions%s", notify_path);
1322 if (session_path == NULL) {
1327 session = g_hash_table_lookup(session_hash, session_path);
1328 if (session != NULL) {
1334 session = g_try_new0(struct connman_session, 1);
1335 if (session == NULL) {
1340 session->info = g_try_new0(struct session_info, 1);
1341 if (session->info == NULL) {
1346 session->info_last = g_try_new0(struct session_info, 1);
1347 if (session->info_last == NULL) {
1352 info = session->info;
1353 info_last = session->info_last;
1355 session->owner = g_strdup(owner);
1356 session->session_path = session_path;
1357 session->notify_path = g_strdup(notify_path);
1358 session->notify_watch =
1359 g_dbus_add_disconnect_watch(connection, session->owner,
1360 owner_disconnect, session, NULL);
1362 session->service_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1365 info->online = FALSE;
1366 info->priority = priority;
1367 info->avoid_handover = avoid_handover;
1368 info->stay_connected = stay_connected;
1369 info->periodic_connect = periodic_connect;
1370 info->idle_timeout = idle_timeout;
1371 info->ecall = ecall;
1372 info->roaming_policy = roaming_policy;
1376 if (allowed_bearers == NULL) {
1377 info->allowed_bearers =
1378 session_allowed_bearers_any();
1380 if (info->allowed_bearers == NULL) {
1385 info->allowed_bearers = allowed_bearers;
1388 g_hash_table_replace(session_hash, session->session_path, session);
1390 DBG("add %s", session->session_path);
1392 if (g_dbus_register_interface(connection, session->session_path,
1393 CONNMAN_SESSION_INTERFACE,
1394 session_methods, NULL,
1395 NULL, session, NULL) == FALSE) {
1396 connman_error("Failed to register %s", session->session_path);
1397 g_hash_table_remove(session_hash, session->session_path);
1404 g_dbus_send_reply(connection, msg,
1405 DBUS_TYPE_OBJECT_PATH, &session->session_path,
1409 update_allowed_bearers(session);
1410 if (info->ecall == TRUE) {
1411 ecall_session = session;
1412 update_ecall_sessions(session);
1415 info_last->online = info->online;
1416 info_last->priority = info->priority;
1417 info_last->avoid_handover = info->avoid_handover;
1418 info_last->stay_connected = info->stay_connected;
1419 info_last->periodic_connect = info->periodic_connect;
1420 info_last->idle_timeout = info->idle_timeout;
1421 info_last->ecall = info->ecall;
1422 info_last->roaming_policy = info->roaming_policy;
1423 info_last->entry = info->entry;
1424 info_last->marker = info->marker;
1425 info_last->allowed_bearers = info->allowed_bearers;
1427 session->info_dirty = TRUE;
1428 session->append_all = TRUE;
1430 session_changed(session, CONNMAN_SESSION_TRIGGER_SETTING);
1435 connman_error("Failed to create session");
1437 if (session != NULL) {
1438 if (session->info_last != NULL)
1439 g_free(session->info_last);
1440 if (session->info != NULL)
1441 g_free(session->info);
1445 g_free(session_path);
1447 g_slist_foreach(allowed_bearers, cleanup_bearer_info, NULL);
1448 g_slist_free(allowed_bearers);
1453 int __connman_session_destroy(DBusMessage *msg)
1455 const char *owner, *session_path;
1456 struct connman_session *session;
1458 owner = dbus_message_get_sender(msg);
1460 DBG("owner %s", owner);
1462 dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &session_path,
1464 if (session_path == NULL)
1467 session = g_hash_table_lookup(session_hash, session_path);
1468 if (session == NULL)
1471 if (g_strcmp0(owner, session->owner) != 0)
1474 session_disconnect(session);
1479 connman_bool_t __connman_session_mode()
1484 void __connman_session_set_mode(connman_bool_t enable)
1486 DBG("enable %d", enable);
1488 if (sessionmode == enable)
1491 sessionmode = enable;
1493 if (sessionmode == TRUE)
1494 __connman_service_disconnect_all();
1497 static void service_add(struct connman_service *service)
1499 GHashTableIter iter;
1500 GSequenceIter *iter_service_list;
1501 gpointer key, value;
1502 struct connman_session *session;
1504 DBG("service %p", service);
1506 g_hash_table_iter_init(&iter, session_hash);
1508 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1511 if (service_match(session, service) == FALSE)
1515 g_sequence_insert_sorted(session->service_list,
1516 service, sort_services,
1519 g_hash_table_replace(session->service_hash, service,
1522 session_changed(session, CONNMAN_SESSION_TRIGGER_SERVICE);
1526 static void service_remove(struct connman_service *service)
1529 GHashTableIter iter;
1530 gpointer key, value;
1531 struct connman_session *session;
1532 struct session_info *info;
1534 DBG("service %p", service);
1536 g_hash_table_iter_init(&iter, session_hash);
1538 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1539 GSequenceIter *iter;
1541 info = session->info;
1543 iter = g_hash_table_lookup(session->service_hash, service);
1547 g_sequence_remove(iter);
1550 session_changed(session, CONNMAN_SESSION_TRIGGER_SERVICE);
1554 static void service_state_changed(struct connman_service *service,
1555 enum connman_service_state state)
1557 GHashTableIter iter;
1558 gpointer key, value;
1559 struct connman_session *session;
1560 struct session_info *info, *info_last;
1562 DBG("service %p state %d", service, state);
1564 g_hash_table_iter_init(&iter, session_hash);
1566 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1568 info = session->info;
1569 info_last = session->info_last;
1571 if (info->entry != NULL && info->entry->service == service) {
1572 info->entry->state = state;
1573 info->online = is_connected(info->entry->state);
1574 if (info_last->online != info->online)
1575 session->info_dirty = TRUE;
1578 session_changed(session,
1579 CONNMAN_SESSION_TRIGGER_SERVICE);
1583 static void ipconfig_changed(struct connman_service *service,
1584 struct connman_ipconfig *ipconfig)
1586 GHashTableIter iter;
1587 gpointer key, value;
1588 struct connman_session *session;
1589 struct session_info *info;
1590 enum connman_ipconfig_type type;
1592 DBG("service %p ipconfig %p", service, ipconfig);
1594 type = __connman_ipconfig_get_config_type(ipconfig);
1596 g_hash_table_iter_init(&iter, session_hash);
1598 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1600 info = session->info;
1602 if (info->entry != NULL && info->entry->service == service) {
1603 if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1604 ipconfig_ipv4_changed(session);
1605 else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1606 ipconfig_ipv6_changed(session);
1611 static struct connman_notifier session_notifier = {
1613 .service_add = service_add,
1614 .service_remove = service_remove,
1615 .service_state_changed = service_state_changed,
1616 .ipconfig_changed = ipconfig_changed,
1619 int __connman_session_init(void)
1625 connection = connman_dbus_get_connection();
1626 if (connection == NULL)
1629 err = connman_notifier_register(&session_notifier);
1631 dbus_connection_unref(connection);
1635 session_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1636 NULL, cleanup_session);
1638 sessionmode = FALSE;
1642 void __connman_session_cleanup(void)
1646 if (connection == NULL)
1649 connman_notifier_unregister(&session_notifier);
1651 g_hash_table_foreach(session_hash, release_session, NULL);
1652 g_hash_table_destroy(session_hash);
1654 dbus_connection_unref(connection);