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;
345 const char *name, *ifname, *bearer;
347 if (session->append_all == TRUE ||
348 info->online != info_last->online) {
349 connman_dbus_dict_append_basic(dict, "Online",
352 info_last->online = info->online;
355 if (session->append_all == TRUE ||
356 info->entry != info_last->entry) {
357 if (info->entry == NULL) {
363 name = info->entry->name;
364 ifname = info->entry->ifname;
365 service = info->entry->service;
366 bearer = info->entry->bearer;
369 connman_dbus_dict_append_basic(dict, "Name",
373 connman_dbus_dict_append_dict(dict, "IPv4",
374 append_ipconfig_ipv4,
377 connman_dbus_dict_append_dict(dict, "IPv6",
378 append_ipconfig_ipv6,
381 connman_dbus_dict_append_basic(dict, "Interface",
385 connman_dbus_dict_append_basic(dict, "Bearer",
389 info_last->entry = info->entry;
393 if (session->append_all == TRUE ||
394 info->priority != info_last->priority) {
395 connman_dbus_dict_append_basic(dict, "Priority",
398 info_last->priority = info->priority;
401 if (session->append_all == TRUE ||
402 info->allowed_bearers != info_last->allowed_bearers) {
403 connman_dbus_dict_append_array(dict, "AllowedBearers",
405 append_allowed_bearers,
407 info_last->allowed_bearers = info->allowed_bearers;
410 if (session->append_all == TRUE ||
411 info->avoid_handover != info_last->avoid_handover) {
412 connman_dbus_dict_append_basic(dict, "AvoidHandover",
414 &info->avoid_handover);
415 info_last->avoid_handover = info->avoid_handover;
418 if (session->append_all == TRUE ||
419 info->stay_connected != info_last->stay_connected) {
420 connman_dbus_dict_append_basic(dict, "StayConnected",
422 &info->stay_connected);
423 info_last->stay_connected = info->stay_connected;
426 if (session->append_all == TRUE ||
427 info->periodic_connect != info_last->periodic_connect) {
428 connman_dbus_dict_append_basic(dict, "PeriodicConnect",
430 &info->periodic_connect);
431 info_last->periodic_connect = info->periodic_connect;
434 if (session->append_all == TRUE ||
435 info->idle_timeout != info_last->idle_timeout) {
436 connman_dbus_dict_append_basic(dict, "IdleTimeout",
438 &info->idle_timeout);
439 info_last->idle_timeout = info->idle_timeout;
442 if (session->append_all == TRUE ||
443 info->ecall != info_last->ecall) {
444 connman_dbus_dict_append_basic(dict, "EmergencyCall",
447 info_last->ecall = info->ecall;
450 if (session->append_all == TRUE ||
451 info->roaming_policy != info_last->roaming_policy) {
452 policy = roamingpolicy2string(info->roaming_policy);
453 connman_dbus_dict_append_basic(dict, "RoamingPolicy",
456 info_last->roaming_policy = info->roaming_policy;
459 if (session->append_all == TRUE ||
460 info->marker != info_last->marker) {
461 connman_dbus_dict_append_basic(dict, "SessionMarker",
464 info_last->marker = info->marker;
467 session->append_all = FALSE;
468 session->info_dirty = FALSE;
471 static gboolean session_notify(gpointer user_data)
473 struct connman_session *session = user_data;
475 DBusMessageIter array, dict;
477 if (session->info_dirty == FALSE)
480 DBG("session %p owner %s notify_path %s", session,
481 session->owner, session->notify_path);
483 msg = dbus_message_new_method_call(session->owner, session->notify_path,
484 CONNMAN_NOTIFICATION_INTERFACE,
489 dbus_message_iter_init_append(msg, &array);
490 connman_dbus_dict_open(&array, &dict);
492 append_notify(&dict, session);
494 connman_dbus_dict_close(&array, &dict);
496 g_dbus_send_message(connection, msg);
498 session->info_dirty = FALSE;
503 static void ipconfig_ipv4_changed(struct connman_session *session)
505 struct session_info *info = &session->info;
507 connman_dbus_setting_changed_dict(session->owner, session->notify_path,
508 "IPv4", append_ipconfig_ipv4,
509 info->entry->service);
512 static void ipconfig_ipv6_changed(struct connman_session *session)
514 struct session_info *info = &session->info;
516 connman_dbus_setting_changed_dict(session->owner, session->notify_path,
517 "IPv6", append_ipconfig_ipv6,
518 info->entry->service);
521 static connman_bool_t service_type_match(struct connman_session *session,
522 struct connman_service *service)
524 struct session_info *info = &session->info;
527 for (list = info->allowed_bearers;
528 list != NULL; list = list->next) {
529 struct bearer_info *info = list->data;
530 enum connman_service_type service_type;
532 if (info->match_all == TRUE)
535 service_type = connman_service_get_type(service);
536 if (info->service_type == service_type)
543 static connman_bool_t service_match(struct connman_session *session,
544 struct connman_service *service)
546 if (service_type_match(session, service) == FALSE)
552 static int service_type_weight(enum connman_service_type type)
555 * The session doesn't care which service
556 * to use. Nevertheless we have to sort them
557 * according their type. The ordering is
566 case CONNMAN_SERVICE_TYPE_ETHERNET:
568 case CONNMAN_SERVICE_TYPE_BLUETOOTH:
570 case CONNMAN_SERVICE_TYPE_WIFI:
571 case CONNMAN_SERVICE_TYPE_WIMAX:
573 case CONNMAN_SERVICE_TYPE_CELLULAR:
575 case CONNMAN_SERVICE_TYPE_UNKNOWN:
576 case CONNMAN_SERVICE_TYPE_SYSTEM:
577 case CONNMAN_SERVICE_TYPE_GPS:
578 case CONNMAN_SERVICE_TYPE_VPN:
579 case CONNMAN_SERVICE_TYPE_GADGET:
586 static gint sort_allowed_bearers(struct connman_service *service_a,
587 struct connman_service *service_b,
588 struct connman_session *session)
590 struct session_info *info = &session->info;
592 enum connman_service_type type_a, type_b;
593 int weight_a, weight_b;
595 type_a = connman_service_get_type(service_a);
596 type_b = connman_service_get_type(service_b);
598 for (list = info->allowed_bearers;
599 list != NULL; list = list->next) {
600 struct bearer_info *info = list->data;
602 if (info->match_all == TRUE) {
603 if (type_a != type_b) {
604 weight_a = service_type_weight(type_a);
605 weight_b = service_type_weight(type_b);
607 if (weight_a > weight_b)
610 if (weight_a < weight_b)
617 if (type_a == info->service_type &&
618 type_b == info->service_type) {
622 if (type_a == info->service_type &&
623 type_b != info->service_type) {
627 if (type_a != info->service_type &&
628 type_b == info->service_type) {
636 static gint sort_services(gconstpointer a, gconstpointer b, gpointer user_data)
638 struct connman_service *service_a = (void *)a;
639 struct connman_service *service_b = (void *)b;
640 struct connman_session *session = user_data;
642 return sort_allowed_bearers(service_a, service_b, session);
645 static void cleanup_session(gpointer user_data)
647 struct connman_session *session = user_data;
648 struct session_info *info = &session->info;
650 DBG("remove %s", session->session_path);
652 g_hash_table_destroy(session->service_hash);
653 g_sequence_free(session->service_list);
655 if (info->entry != NULL &&
656 info->entry->reason == CONNMAN_SESSION_REASON_CONNECT) {
657 __connman_service_disconnect(info->entry->service);
660 g_slist_foreach(info->allowed_bearers, cleanup_bearer_info, NULL);
661 g_slist_free(info->allowed_bearers);
663 g_free(session->owner);
664 g_free(session->session_path);
665 g_free(session->notify_path);
670 static void release_session(gpointer key, gpointer value, gpointer user_data)
672 struct connman_session *session = value;
673 DBusMessage *message;
675 DBG("owner %s path %s", session->owner, session->notify_path);
677 if (session->notify_watch > 0)
678 g_dbus_remove_watch(connection, session->notify_watch);
680 g_dbus_unregister_interface(connection, session->session_path,
681 CONNMAN_SESSION_INTERFACE);
683 message = dbus_message_new_method_call(session->owner,
684 session->notify_path,
685 CONNMAN_NOTIFICATION_INTERFACE,
690 dbus_message_set_no_reply(message, TRUE);
692 g_dbus_send_message(connection, message);
695 static int session_disconnect(struct connman_session *session)
697 DBG("session %p, %s", session, session->owner);
699 if (session->notify_watch > 0)
700 g_dbus_remove_watch(connection, session->notify_watch);
702 g_dbus_unregister_interface(connection, session->session_path,
703 CONNMAN_SESSION_INTERFACE);
705 g_hash_table_remove(session_hash, session->session_path);
710 static void owner_disconnect(DBusConnection *conn, void *user_data)
712 struct connman_session *session = user_data;
714 DBG("session %p, %s died", session, session->owner);
716 session_disconnect(session);
719 static DBusMessage *destroy_session(DBusConnection *conn,
720 DBusMessage *msg, void *user_data)
722 struct connman_session *session = user_data;
724 DBG("session %p", session);
726 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
729 static connman_bool_t is_connected(enum connman_service_state state)
732 case CONNMAN_SERVICE_STATE_UNKNOWN:
733 case CONNMAN_SERVICE_STATE_IDLE:
734 case CONNMAN_SERVICE_STATE_ASSOCIATION:
735 case CONNMAN_SERVICE_STATE_CONFIGURATION:
736 case CONNMAN_SERVICE_STATE_DISCONNECT:
737 case CONNMAN_SERVICE_STATE_FAILURE:
739 case CONNMAN_SERVICE_STATE_READY:
740 case CONNMAN_SERVICE_STATE_ONLINE:
747 static connman_bool_t explicit_connect(enum connman_session_reason reason)
750 case CONNMAN_SESSION_REASON_UNKNOWN:
751 case CONNMAN_SESSION_REASON_FREE_RIDE:
753 case CONNMAN_SESSION_REASON_CONNECT:
754 case CONNMAN_SESSION_REASON_PERIODIC:
761 static void test_and_disconnect(struct connman_session *session)
763 struct session_info *info = &session->info;
765 if (info->entry == NULL)
768 DBG("session %p reason %s service %p state %d",
769 session, reason2string(info->entry->reason),
770 info->entry->service, info->entry->state);
772 if (explicit_connect(info->entry->reason) == FALSE)
775 if (__connman_service_session_dec(info->entry->service) == TRUE)
778 if (ecall_session != NULL && ecall_session != session)
781 __connman_service_disconnect(info->entry->service);
784 * TODO: We should mark this entry as pending work. In case
785 * disconnect fails we just unassign this session from the
786 * service and can't do anything later on it
790 info->online = FALSE;
794 static void select_and_connect(struct connman_session *session,
795 enum connman_session_reason reason)
797 struct session_info *info = &session->info;
798 struct service_entry *entry = NULL;
800 connman_bool_t do_connect = FALSE;
802 DBG("session %p reason %s", session, reason2string(reason));
804 iter = g_sequence_get_begin_iter(session->service_list);
806 while (g_sequence_iter_is_end(iter) == FALSE) {
807 entry = g_sequence_get(iter);
809 switch (entry->state) {
810 case CONNMAN_SERVICE_STATE_ASSOCIATION:
811 case CONNMAN_SERVICE_STATE_CONFIGURATION:
812 case CONNMAN_SERVICE_STATE_READY:
813 case CONNMAN_SERVICE_STATE_ONLINE:
814 /* connecting or connected */
816 case CONNMAN_SERVICE_STATE_IDLE:
817 case CONNMAN_SERVICE_STATE_DISCONNECT:
818 if (explicit_connect(reason) == TRUE)
821 case CONNMAN_SERVICE_STATE_UNKNOWN:
822 case CONNMAN_SERVICE_STATE_FAILURE:
830 iter = g_sequence_iter_next(iter);
833 if (info->entry != NULL && info->entry != entry)
834 test_and_disconnect(session);
838 info->entry->reason = reason;
840 if (explicit_connect(reason) == TRUE)
841 __connman_service_session_inc(info->entry->service);
843 if (do_connect == TRUE)
844 __connman_service_connect(info->entry->service);
846 info->online = is_connected(entry->state);
850 static void session_changed(struct connman_session *session,
851 enum connman_session_trigger trigger)
853 struct session_info *info = &session->info;
854 struct session_info *info_last = &session->info_last;
858 * TODO: This only a placeholder for the 'real' algorithm to
859 * play a bit around. So we are going to improve it step by step.
862 DBG("session %p trigger %s", session, trigger2string(trigger));
865 case CONNMAN_SESSION_TRIGGER_UNKNOWN:
866 DBG("ignore session changed event");
868 case CONNMAN_SESSION_TRIGGER_SETTING:
869 if (info->entry != NULL) {
870 iter = g_hash_table_lookup(session->service_hash,
871 info->entry->service);
874 * This service is not part of this
877 test_and_disconnect(session);
881 if (info->online == FALSE) {
882 select_and_connect(session,
883 CONNMAN_SESSION_REASON_FREE_RIDE);
887 case CONNMAN_SESSION_TRIGGER_CONNECT:
888 if (info->online == TRUE) {
889 info->entry->reason = CONNMAN_SESSION_REASON_CONNECT;
890 __connman_service_session_inc(info->entry->service);
894 select_and_connect(session,
895 CONNMAN_SESSION_REASON_CONNECT);
898 case CONNMAN_SESSION_TRIGGER_DISCONNECT:
899 test_and_disconnect(session);
902 case CONNMAN_SESSION_TRIGGER_PERIODIC:
903 if (info->online == TRUE) {
904 info->entry->reason = CONNMAN_SESSION_REASON_PERIODIC;
905 __connman_service_session_inc(info->entry->service);
909 select_and_connect(session,
910 CONNMAN_SESSION_REASON_PERIODIC);
913 case CONNMAN_SESSION_TRIGGER_SERVICE:
914 if (info->online == TRUE)
917 if (info->stay_connected == TRUE) {
918 DBG("StayConnected");
919 select_and_connect(session,
920 CONNMAN_SESSION_REASON_CONNECT);
925 select_and_connect(session,
926 CONNMAN_SESSION_REASON_FREE_RIDE);
929 case CONNMAN_SESSION_TRIGGER_ECALL:
930 if (info->online == FALSE && info->entry->service != NULL)
931 test_and_disconnect(session);
936 if (info->entry != info_last->entry)
937 session->info_dirty = TRUE;
939 session_notify(session);
942 static DBusMessage *connect_session(DBusConnection *conn,
943 DBusMessage *msg, void *user_data)
945 struct connman_session *session = user_data;
947 DBG("session %p", session);
949 if (ecall_session != NULL && ecall_session != session)
950 return __connman_error_failed(msg, EBUSY);
952 session_changed(session, CONNMAN_SESSION_TRIGGER_CONNECT);
954 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
957 static DBusMessage *disconnect_session(DBusConnection *conn,
958 DBusMessage *msg, void *user_data)
960 struct connman_session *session = user_data;
962 DBG("session %p", session);
964 if (ecall_session != NULL && ecall_session != session)
965 return __connman_error_failed(msg, EBUSY);
967 session_changed(session, CONNMAN_SESSION_TRIGGER_DISCONNECT);
969 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
972 static struct service_entry *create_service_entry(struct connman_service *service,
974 enum connman_service_state state)
976 struct service_entry *entry;
977 enum connman_service_type type;
980 entry = g_try_new0(struct service_entry, 1);
984 entry->reason = CONNMAN_SESSION_REASON_UNKNOWN;
985 entry->state = state;
987 entry->service = service;
989 idx = __connman_service_get_index(entry->service);
990 entry->ifname = connman_inet_ifname(idx);
991 if (entry->ifname == NULL)
994 type = connman_service_get_type(entry->service);
995 entry->bearer = service2bearer(type);
1000 static void destroy_service_entry(gpointer data)
1002 struct service_entry *entry = data;
1007 static void update_allowed_bearers(struct connman_session *session)
1009 struct service_entry *entry;
1010 GSequenceIter *iter;
1012 if (session->service_list != NULL) {
1013 g_hash_table_remove_all(session->service_hash);
1014 g_sequence_free(session->service_list);
1017 session->service_list = __connman_service_get_list(session,
1019 create_service_entry,
1020 destroy_service_entry);
1022 g_sequence_sort(session->service_list, sort_services, session);
1024 iter = g_sequence_get_begin_iter(session->service_list);
1026 while (g_sequence_iter_is_end(iter) == FALSE) {
1027 entry = g_sequence_get(iter);
1029 DBG("service %p type %s name %s", entry->service,
1030 service2bearer(connman_service_get_type(entry->service)),
1031 __connman_service_get_name(entry->service));
1033 g_hash_table_replace(session->service_hash,
1034 entry->service, iter);
1036 iter = g_sequence_iter_next(iter);
1039 session->info_dirty = TRUE;
1042 static void update_ecall_sessions(struct connman_session *session)
1044 struct session_info *info = &session->info;
1045 struct connman_session *session_iter;
1046 GHashTableIter iter;
1047 gpointer key, value;
1049 g_hash_table_iter_init(&iter, session_hash);
1051 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1052 session_iter = value;
1054 if (session_iter == session)
1057 session_iter->info.ecall = info->ecall;
1058 session_iter->info_dirty = TRUE;
1060 session_changed(session_iter, CONNMAN_SESSION_TRIGGER_ECALL);
1064 static void update_ecall(struct connman_session *session)
1066 struct session_info *info = &session->info;
1067 struct session_info *info_last = &session->info_last;
1069 DBG("session %p ecall_session %p ecall %d -> %d", session,
1070 ecall_session, info_last->ecall, info->ecall);
1072 if (ecall_session == NULL) {
1073 if (!(info_last->ecall == FALSE && info->ecall == TRUE))
1076 ecall_session = session;
1077 } else if (ecall_session == session) {
1078 if (!(info_last->ecall == TRUE && info->ecall == FALSE))
1081 ecall_session = NULL;
1086 update_ecall_sessions(session);
1088 session->info_dirty = TRUE;
1092 /* not a valid transition */
1093 info->ecall = info_last->ecall;
1096 static DBusMessage *change_session(DBusConnection *conn,
1097 DBusMessage *msg, void *user_data)
1099 struct connman_session *session = user_data;
1100 struct session_info *info = &session->info;
1101 struct session_info *info_last = &session->info_last;
1102 DBusMessageIter iter, value;
1104 GSList *allowed_bearers;
1106 DBG("session %p", session);
1107 if (dbus_message_iter_init(msg, &iter) == FALSE)
1108 return __connman_error_invalid_arguments(msg);
1110 dbus_message_iter_get_basic(&iter, &name);
1111 dbus_message_iter_next(&iter);
1112 dbus_message_iter_recurse(&iter, &value);
1114 switch (dbus_message_iter_get_arg_type(&value)) {
1115 case DBUS_TYPE_ARRAY:
1116 if (g_str_equal(name, "AllowedBearers") == TRUE) {
1117 allowed_bearers = session_parse_allowed_bearers(&value);
1119 g_slist_foreach(info->allowed_bearers,
1120 cleanup_bearer_info, NULL);
1121 g_slist_free(info->allowed_bearers);
1123 if (allowed_bearers == NULL) {
1124 allowed_bearers = session_allowed_bearers_any();
1126 if (allowed_bearers == NULL)
1127 return __connman_error_failed(msg, ENOMEM);
1130 info->allowed_bearers = allowed_bearers;
1132 update_allowed_bearers(session);
1137 case DBUS_TYPE_BOOLEAN:
1138 if (g_str_equal(name, "Priority") == TRUE) {
1139 dbus_message_iter_get_basic(&value,
1142 if (info_last->priority != info->priority)
1143 session->info_dirty = TRUE;
1144 } else if (g_str_equal(name, "AvoidHandover") == TRUE) {
1145 dbus_message_iter_get_basic(&value,
1146 &info->avoid_handover);
1148 if (info_last->avoid_handover != info->avoid_handover)
1149 session->info_dirty = TRUE;
1150 } else if (g_str_equal(name, "StayConnected") == TRUE) {
1151 dbus_message_iter_get_basic(&value,
1152 &info->stay_connected);
1154 if (info_last->stay_connected != info->stay_connected)
1155 session->info_dirty = TRUE;
1156 } else if (g_str_equal(name, "EmergencyCall") == TRUE) {
1157 dbus_message_iter_get_basic(&value,
1160 update_ecall(session);
1165 case DBUS_TYPE_UINT32:
1166 if (g_str_equal(name, "PeriodicConnect") == TRUE) {
1167 dbus_message_iter_get_basic(&value,
1168 &info->periodic_connect);
1170 if (info_last->periodic_connect != info->periodic_connect)
1171 session->info_dirty = TRUE;
1172 } else if (g_str_equal(name, "IdleTimeout") == TRUE) {
1173 dbus_message_iter_get_basic(&value,
1174 &info->idle_timeout);
1176 if (info_last->idle_timeout != info->idle_timeout)
1177 session->info_dirty = TRUE;
1182 case DBUS_TYPE_STRING:
1183 if (g_str_equal(name, "RoamingPolicy") == TRUE) {
1185 dbus_message_iter_get_basic(&value, &val);
1186 info->roaming_policy =
1187 string2roamingpolicy(val);
1189 if (info_last->roaming_policy != info->roaming_policy)
1190 session->info_dirty = TRUE;
1199 if (session->info_dirty == TRUE)
1200 session_changed(session, CONNMAN_SESSION_TRIGGER_SETTING);
1202 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
1205 return __connman_error_invalid_arguments(msg);
1208 static GDBusMethodTable session_methods[] = {
1209 { "Destroy", "", "", destroy_session },
1210 { "Connect", "", "", connect_session },
1211 { "Disconnect", "", "", disconnect_session },
1212 { "Change", "sv", "", change_session },
1216 int __connman_session_create(DBusMessage *msg)
1218 const char *owner, *notify_path;
1219 char *session_path = NULL;
1220 DBusMessageIter iter, array;
1221 struct connman_session *session;
1222 struct session_info *info, *info_last;
1224 connman_bool_t priority = FALSE, avoid_handover = FALSE;
1225 connman_bool_t stay_connected = FALSE, ecall = FALSE;
1226 enum connman_session_roaming_policy roaming_policy =
1227 CONNMAN_SESSION_ROAMING_POLICY_FORBIDDEN;
1228 GSList *allowed_bearers = NULL;
1229 unsigned int periodic_connect = 0;
1230 unsigned int idle_timeout = 0;
1234 owner = dbus_message_get_sender(msg);
1236 DBG("owner %s", owner);
1238 if (ecall_session != NULL) {
1240 * If there is an emergency call already going on,
1241 * ignore session creation attempt
1247 dbus_message_iter_init(msg, &iter);
1248 dbus_message_iter_recurse(&iter, &array);
1250 while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
1251 DBusMessageIter entry, value;
1252 const char *key, *val;
1254 dbus_message_iter_recurse(&array, &entry);
1255 dbus_message_iter_get_basic(&entry, &key);
1257 dbus_message_iter_next(&entry);
1258 dbus_message_iter_recurse(&entry, &value);
1260 switch (dbus_message_iter_get_arg_type(&value)) {
1261 case DBUS_TYPE_ARRAY:
1262 if (g_str_equal(key, "AllowedBearers") == TRUE) {
1264 session_parse_allowed_bearers(&value);
1269 case DBUS_TYPE_BOOLEAN:
1270 if (g_str_equal(key, "Priority") == TRUE) {
1271 dbus_message_iter_get_basic(&value,
1273 } else if (g_str_equal(key, "AvoidHandover") == TRUE) {
1274 dbus_message_iter_get_basic(&value,
1276 } else if (g_str_equal(key, "StayConnected") == TRUE) {
1277 dbus_message_iter_get_basic(&value,
1279 } else if (g_str_equal(key, "EmergencyCall") == TRUE) {
1280 dbus_message_iter_get_basic(&value,
1286 case DBUS_TYPE_UINT32:
1287 if (g_str_equal(key, "PeriodicConnect") == TRUE) {
1288 dbus_message_iter_get_basic(&value,
1290 } else if (g_str_equal(key, "IdleTimeout") == TRUE) {
1291 dbus_message_iter_get_basic(&value,
1297 case DBUS_TYPE_STRING:
1298 if (g_str_equal(key, "RoamingPolicy") == TRUE) {
1299 dbus_message_iter_get_basic(&value, &val);
1300 roaming_policy = string2roamingpolicy(val);
1305 dbus_message_iter_next(&array);
1308 dbus_message_iter_next(&iter);
1309 dbus_message_iter_get_basic(&iter, ¬ify_path);
1311 if (notify_path == NULL) {
1316 session_path = g_strdup_printf("/sessions%s", notify_path);
1317 if (session_path == NULL) {
1322 session = g_hash_table_lookup(session_hash, session_path);
1323 if (session != NULL) {
1328 session = g_try_new0(struct connman_session, 1);
1329 if (session == NULL) {
1334 info = &session->info;
1335 info_last = &session->info_last;
1337 session->owner = g_strdup(owner);
1338 session->session_path = session_path;
1339 session->notify_path = g_strdup(notify_path);
1340 session->notify_watch =
1341 g_dbus_add_disconnect_watch(connection, session->owner,
1342 owner_disconnect, session, NULL);
1344 session->service_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1347 info->online = FALSE;
1348 info->priority = priority;
1349 info->avoid_handover = avoid_handover;
1350 info->stay_connected = stay_connected;
1351 info->periodic_connect = periodic_connect;
1352 info->idle_timeout = idle_timeout;
1353 info->ecall = ecall;
1354 info->roaming_policy = roaming_policy;
1358 if (allowed_bearers == NULL) {
1359 info->allowed_bearers =
1360 session_allowed_bearers_any();
1362 if (info->allowed_bearers == NULL) {
1367 info->allowed_bearers = allowed_bearers;
1370 g_hash_table_replace(session_hash, session->session_path, session);
1372 DBG("add %s", session->session_path);
1374 if (g_dbus_register_interface(connection, session->session_path,
1375 CONNMAN_SESSION_INTERFACE,
1376 session_methods, NULL,
1377 NULL, session, NULL) == FALSE) {
1378 connman_error("Failed to register %s", session->session_path);
1379 g_hash_table_remove(session_hash, session->session_path);
1386 g_dbus_send_reply(connection, msg,
1387 DBUS_TYPE_OBJECT_PATH, &session->session_path,
1391 update_allowed_bearers(session);
1392 if (info->ecall == TRUE) {
1393 ecall_session = session;
1394 update_ecall_sessions(session);
1397 info_last->online = info->online;
1398 info_last->priority = info->priority;
1399 info_last->avoid_handover = info->avoid_handover;
1400 info_last->stay_connected = info->stay_connected;
1401 info_last->periodic_connect = info->periodic_connect;
1402 info_last->idle_timeout = info->idle_timeout;
1403 info_last->ecall = info->ecall;
1404 info_last->roaming_policy = info->roaming_policy;
1405 info_last->entry = info->entry;
1406 info_last->marker = info->marker;
1407 info_last->allowed_bearers = info->allowed_bearers;
1409 session->info_dirty = TRUE;
1410 session->append_all = TRUE;
1412 session_changed(session, CONNMAN_SESSION_TRIGGER_SETTING);
1417 connman_error("Failed to create session");
1418 g_free(session_path);
1420 g_slist_foreach(allowed_bearers, cleanup_bearer_info, NULL);
1421 g_slist_free(allowed_bearers);
1426 int __connman_session_destroy(DBusMessage *msg)
1428 const char *owner, *session_path;
1429 struct connman_session *session;
1431 owner = dbus_message_get_sender(msg);
1433 DBG("owner %s", owner);
1435 dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &session_path,
1437 if (session_path == NULL)
1440 session = g_hash_table_lookup(session_hash, session_path);
1441 if (session == NULL)
1444 if (g_strcmp0(owner, session->owner) != 0)
1447 session_disconnect(session);
1452 connman_bool_t __connman_session_mode()
1457 void __connman_session_set_mode(connman_bool_t enable)
1459 DBG("enable %d", enable);
1461 if (sessionmode == enable)
1464 sessionmode = enable;
1466 if (sessionmode == TRUE)
1467 __connman_service_disconnect_all();
1470 static void service_add(struct connman_service *service)
1472 GHashTableIter iter;
1473 GSequenceIter *iter_service_list;
1474 gpointer key, value;
1475 struct connman_session *session;
1477 DBG("service %p", service);
1479 g_hash_table_iter_init(&iter, session_hash);
1481 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1484 if (service_match(session, service) == FALSE)
1488 g_sequence_insert_sorted(session->service_list,
1489 service, sort_services,
1492 g_hash_table_replace(session->service_hash, service,
1495 session_changed(session, CONNMAN_SESSION_TRIGGER_SERVICE);
1499 static void service_remove(struct connman_service *service)
1502 GHashTableIter iter;
1503 gpointer key, value;
1504 struct connman_session *session;
1505 struct session_info *info;
1507 DBG("service %p", service);
1509 g_hash_table_iter_init(&iter, session_hash);
1511 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1512 GSequenceIter *iter;
1514 info = &session->info;
1516 iter = g_hash_table_lookup(session->service_hash, service);
1520 g_sequence_remove(iter);
1523 session_changed(session, CONNMAN_SESSION_TRIGGER_SERVICE);
1527 static void service_state_changed(struct connman_service *service,
1528 enum connman_service_state state)
1530 GHashTableIter iter;
1531 gpointer key, value;
1532 struct connman_session *session;
1533 struct session_info *info, *info_last;
1535 DBG("service %p state %d", service, state);
1537 g_hash_table_iter_init(&iter, session_hash);
1539 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1541 info = &session->info;
1542 info_last = &session->info_last;
1544 if (info->entry != NULL && info->entry->service == service) {
1545 info->entry->state = state;
1546 info->online = is_connected(info->entry->state);
1547 if (info_last->online != info->online)
1548 session->info_dirty = TRUE;
1551 session_changed(session,
1552 CONNMAN_SESSION_TRIGGER_SERVICE);
1556 static void ipconfig_changed(struct connman_service *service,
1557 struct connman_ipconfig *ipconfig)
1559 GHashTableIter iter;
1560 gpointer key, value;
1561 struct connman_session *session;
1562 struct session_info *info;
1563 enum connman_ipconfig_type type;
1565 DBG("service %p ipconfig %p", service, ipconfig);
1567 type = __connman_ipconfig_get_config_type(ipconfig);
1569 g_hash_table_iter_init(&iter, session_hash);
1571 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1573 info = &session->info;
1575 if (info->entry != NULL && info->entry->service == service) {
1576 if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1577 ipconfig_ipv4_changed(session);
1578 else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1579 ipconfig_ipv6_changed(session);
1584 static struct connman_notifier session_notifier = {
1586 .service_add = service_add,
1587 .service_remove = service_remove,
1588 .service_state_changed = service_state_changed,
1589 .ipconfig_changed = ipconfig_changed,
1592 int __connman_session_init(void)
1598 connection = connman_dbus_get_connection();
1599 if (connection == NULL)
1602 err = connman_notifier_register(&session_notifier);
1604 dbus_connection_unref(connection);
1608 session_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1609 NULL, cleanup_session);
1611 sessionmode = FALSE;
1615 void __connman_session_cleanup(void)
1619 if (connection == NULL)
1622 connman_notifier_unregister(&session_notifier);
1624 g_hash_table_foreach(session_hash, release_session, NULL);
1625 g_hash_table_destroy(session_hash);
1627 dbus_connection_unref(connection);