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 session_info *ecall_info;
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_DISCONNECT = 2,
52 CONNMAN_SESSION_REASON_FREE_RIDE = 3,
53 CONNMAN_SESSION_REASON_PERIODIC = 4,
56 enum connman_session_roaming_policy {
57 CONNMAN_SESSION_ROAMING_POLICY_UNKNOWN = 0,
58 CONNMAN_SESSION_ROAMING_POLICY_DEFAULT = 1,
59 CONNMAN_SESSION_ROAMING_POLICY_ALWAYS = 2,
60 CONNMAN_SESSION_ROAMING_POLICY_FORBIDDEN = 3,
61 CONNMAN_SESSION_ROAMING_POLICY_NATIONAL = 4,
62 CONNMAN_SESSION_ROAMING_POLICY_INTERNATIONAL = 5,
65 struct service_entry {
66 /* track why this service was selected */
67 enum connman_session_reason reason;
68 enum connman_service_state state;
70 struct connman_service *service;
76 connman_bool_t online;
77 connman_bool_t priority;
78 GSList *allowed_bearers;
79 connman_bool_t avoid_handover;
80 connman_bool_t stay_connected;
81 unsigned int periodic_connect;
82 unsigned int idle_timeout;
84 enum connman_session_roaming_policy roaming_policy;
87 struct service_entry *entry;
88 enum connman_session_reason reason;
91 struct connman_session {
97 connman_bool_t append_all;
98 connman_bool_t info_dirty;
99 struct session_info *info;
100 struct session_info *info_last;
102 GSequence *service_list;
103 GHashTable *service_hash;
108 connman_bool_t match_all;
109 enum connman_service_type service_type;
112 static const char *trigger2string(enum connman_session_trigger trigger)
115 case CONNMAN_SESSION_TRIGGER_UNKNOWN:
117 case CONNMAN_SESSION_TRIGGER_SETTING:
119 case CONNMAN_SESSION_TRIGGER_CONNECT:
121 case CONNMAN_SESSION_TRIGGER_DISCONNECT:
123 case CONNMAN_SESSION_TRIGGER_PERIODIC:
125 case CONNMAN_SESSION_TRIGGER_SERVICE:
127 case CONNMAN_SESSION_TRIGGER_ECALL:
134 static const char *reason2string(enum connman_session_reason reason)
137 case CONNMAN_SESSION_REASON_UNKNOWN:
139 case CONNMAN_SESSION_REASON_CONNECT:
141 case CONNMAN_SESSION_REASON_DISCONNECT:
143 case CONNMAN_SESSION_REASON_FREE_RIDE:
145 case CONNMAN_SESSION_REASON_PERIODIC:
152 static const char *roamingpolicy2string(enum connman_session_roaming_policy policy)
155 case CONNMAN_SESSION_ROAMING_POLICY_UNKNOWN:
157 case CONNMAN_SESSION_ROAMING_POLICY_DEFAULT:
159 case CONNMAN_SESSION_ROAMING_POLICY_ALWAYS:
161 case CONNMAN_SESSION_ROAMING_POLICY_FORBIDDEN:
163 case CONNMAN_SESSION_ROAMING_POLICY_NATIONAL:
165 case CONNMAN_SESSION_ROAMING_POLICY_INTERNATIONAL:
166 return "international";
172 static enum connman_session_roaming_policy string2roamingpolicy(const char *policy)
174 if (g_strcmp0(policy, "default") == 0)
175 return CONNMAN_SESSION_ROAMING_POLICY_DEFAULT;
176 else if (g_strcmp0(policy, "always") == 0)
177 return CONNMAN_SESSION_ROAMING_POLICY_ALWAYS;
178 else if (g_strcmp0(policy, "forbidden") == 0)
179 return CONNMAN_SESSION_ROAMING_POLICY_FORBIDDEN;
180 else if (g_strcmp0(policy, "national") == 0)
181 return CONNMAN_SESSION_ROAMING_POLICY_NATIONAL;
182 else if (g_strcmp0(policy, "international") == 0)
183 return CONNMAN_SESSION_ROAMING_POLICY_INTERNATIONAL;
185 return CONNMAN_SESSION_ROAMING_POLICY_UNKNOWN;
188 static enum connman_service_type bearer2service(const char *bearer)
191 return CONNMAN_SERVICE_TYPE_UNKNOWN;
193 if (g_strcmp0(bearer, "ethernet") == 0)
194 return CONNMAN_SERVICE_TYPE_ETHERNET;
195 else if (g_strcmp0(bearer, "wifi") == 0)
196 return CONNMAN_SERVICE_TYPE_WIFI;
197 else if (g_strcmp0(bearer, "wimax") == 0)
198 return CONNMAN_SERVICE_TYPE_WIMAX;
199 else if (g_strcmp0(bearer, "bluetooth") == 0)
200 return CONNMAN_SERVICE_TYPE_BLUETOOTH;
201 else if (g_strcmp0(bearer, "cellular") == 0)
202 return CONNMAN_SERVICE_TYPE_CELLULAR;
203 else if (g_strcmp0(bearer, "vpn") == 0)
204 return CONNMAN_SERVICE_TYPE_VPN;
206 return CONNMAN_SERVICE_TYPE_UNKNOWN;
209 static char *service2bearer(enum connman_service_type type)
212 case CONNMAN_SERVICE_TYPE_ETHERNET:
214 case CONNMAN_SERVICE_TYPE_WIFI:
216 case CONNMAN_SERVICE_TYPE_WIMAX:
218 case CONNMAN_SERVICE_TYPE_BLUETOOTH:
220 case CONNMAN_SERVICE_TYPE_CELLULAR:
222 case CONNMAN_SERVICE_TYPE_VPN:
224 case CONNMAN_SERVICE_TYPE_UNKNOWN:
225 case CONNMAN_SERVICE_TYPE_SYSTEM:
226 case CONNMAN_SERVICE_TYPE_GPS:
227 case CONNMAN_SERVICE_TYPE_GADGET:
234 static void cleanup_bearer_info(gpointer data, gpointer user_data)
236 struct bearer_info *info = data;
242 static GSList *session_parse_allowed_bearers(DBusMessageIter *iter)
244 struct bearer_info *info;
245 DBusMessageIter array;
248 dbus_message_iter_recurse(iter, &array);
250 while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_STRING) {
253 dbus_message_iter_get_basic(&array, &bearer);
255 info = g_try_new0(struct bearer_info, 1);
257 g_slist_foreach(list, cleanup_bearer_info, NULL);
263 info->name = g_strdup(bearer);
264 info->service_type = bearer2service(info->name);
266 if (info->service_type == CONNMAN_SERVICE_TYPE_UNKNOWN &&
267 g_strcmp0(info->name, "*") == 0) {
268 info->match_all = TRUE;
270 info->match_all = FALSE;
273 list = g_slist_append(list, info);
275 dbus_message_iter_next(&array);
281 static GSList *session_allowed_bearers_any(void)
283 struct bearer_info *info;
286 info = g_try_new0(struct bearer_info, 1);
293 info->name = g_strdup("");
294 info->match_all = TRUE;
295 info->service_type = CONNMAN_SERVICE_TYPE_UNKNOWN;
297 list = g_slist_append(list, info);
302 static void append_allowed_bearers(DBusMessageIter *iter, void *user_data)
304 struct session_info *info = user_data;
307 for (list = info->allowed_bearers;
308 list != NULL; list = list->next) {
309 struct bearer_info *info = list->data;
311 dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING,
316 static void append_ipconfig_ipv4(DBusMessageIter *iter, void *user_data)
318 struct connman_service *service = user_data;
319 struct connman_ipconfig *ipconfig_ipv4;
324 ipconfig_ipv4 = __connman_service_get_ip4config(service);
325 if (ipconfig_ipv4 == NULL)
328 __connman_ipconfig_append_ipv4(ipconfig_ipv4, iter);
331 static void append_ipconfig_ipv6(DBusMessageIter *iter, void *user_data)
333 struct connman_service *service = user_data;
334 struct connman_ipconfig *ipconfig_ipv4, *ipconfig_ipv6;
339 ipconfig_ipv4 = __connman_service_get_ip4config(service);
340 ipconfig_ipv6 = __connman_service_get_ip6config(service);
341 if (ipconfig_ipv6 == NULL)
344 __connman_ipconfig_append_ipv6(ipconfig_ipv6, iter, ipconfig_ipv4);
347 static void append_notify(DBusMessageIter *dict,
348 struct connman_session *session)
350 struct session_info *info = session->info;
351 struct session_info *info_last = session->info_last;
353 struct connman_service *service;
354 const char *name, *ifname, *bearer;
356 if (session->append_all == TRUE ||
357 info->online != info_last->online) {
358 connman_dbus_dict_append_basic(dict, "Online",
361 info_last->online = info->online;
364 if (session->append_all == TRUE ||
365 info->entry != info_last->entry) {
366 if (info->entry == NULL) {
372 name = info->entry->name;
373 ifname = info->entry->ifname;
374 service = info->entry->service;
375 bearer = info->entry->bearer;
378 connman_dbus_dict_append_basic(dict, "Name",
382 connman_dbus_dict_append_dict(dict, "IPv4",
383 append_ipconfig_ipv4,
386 connman_dbus_dict_append_dict(dict, "IPv6",
387 append_ipconfig_ipv6,
390 connman_dbus_dict_append_basic(dict, "Interface",
394 connman_dbus_dict_append_basic(dict, "Bearer",
398 info_last->entry = info->entry;
402 if (session->append_all == TRUE ||
403 info->priority != info_last->priority) {
404 connman_dbus_dict_append_basic(dict, "Priority",
407 info_last->priority = info->priority;
410 if (session->append_all == TRUE ||
411 info->allowed_bearers != info_last->allowed_bearers) {
412 connman_dbus_dict_append_array(dict, "AllowedBearers",
414 append_allowed_bearers,
416 info_last->allowed_bearers = info->allowed_bearers;
419 if (session->append_all == TRUE ||
420 info->avoid_handover != info_last->avoid_handover) {
421 connman_dbus_dict_append_basic(dict, "AvoidHandover",
423 &info->avoid_handover);
424 info_last->avoid_handover = info->avoid_handover;
427 if (session->append_all == TRUE ||
428 info->stay_connected != info_last->stay_connected) {
429 connman_dbus_dict_append_basic(dict, "StayConnected",
431 &info->stay_connected);
432 info_last->stay_connected = info->stay_connected;
435 if (session->append_all == TRUE ||
436 info->periodic_connect != info_last->periodic_connect) {
437 connman_dbus_dict_append_basic(dict, "PeriodicConnect",
439 &info->periodic_connect);
440 info_last->periodic_connect = info->periodic_connect;
443 if (session->append_all == TRUE ||
444 info->idle_timeout != info_last->idle_timeout) {
445 connman_dbus_dict_append_basic(dict, "IdleTimeout",
447 &info->idle_timeout);
448 info_last->idle_timeout = info->idle_timeout;
451 if (session->append_all == TRUE ||
452 info->ecall != info_last->ecall) {
453 connman_dbus_dict_append_basic(dict, "EmergencyCall",
456 info_last->ecall = info->ecall;
459 if (session->append_all == TRUE ||
460 info->roaming_policy != info_last->roaming_policy) {
461 policy = roamingpolicy2string(info->roaming_policy);
462 connman_dbus_dict_append_basic(dict, "RoamingPolicy",
465 info_last->roaming_policy = info->roaming_policy;
468 if (session->append_all == TRUE ||
469 info->marker != info_last->marker) {
470 connman_dbus_dict_append_basic(dict, "SessionMarker",
473 info_last->marker = info->marker;
476 session->append_all = FALSE;
477 session->info_dirty = FALSE;
480 static gboolean session_notify(gpointer user_data)
482 struct connman_session *session = user_data;
484 DBusMessageIter array, dict;
486 if (session->info_dirty == FALSE)
489 DBG("session %p owner %s notify_path %s", session,
490 session->owner, session->notify_path);
492 msg = dbus_message_new_method_call(session->owner, session->notify_path,
493 CONNMAN_NOTIFICATION_INTERFACE,
498 dbus_message_iter_init_append(msg, &array);
499 connman_dbus_dict_open(&array, &dict);
501 append_notify(&dict, session);
503 connman_dbus_dict_close(&array, &dict);
505 g_dbus_send_message(connection, msg);
507 session->info_dirty = FALSE;
512 static void ipconfig_ipv4_changed(struct connman_session *session)
514 struct session_info *info = session->info;
516 connman_dbus_setting_changed_dict(session->owner, session->notify_path,
517 "IPv4", append_ipconfig_ipv4,
518 info->entry->service);
521 static void ipconfig_ipv6_changed(struct connman_session *session)
523 struct session_info *info = session->info;
525 connman_dbus_setting_changed_dict(session->owner, session->notify_path,
526 "IPv6", append_ipconfig_ipv6,
527 info->entry->service);
530 static connman_bool_t service_type_match(struct connman_session *session,
531 struct connman_service *service)
533 struct session_info *info = session->info;
536 for (list = info->allowed_bearers;
537 list != NULL; list = list->next) {
538 struct bearer_info *info = list->data;
539 enum connman_service_type service_type;
541 if (info->match_all == TRUE)
544 service_type = connman_service_get_type(service);
545 if (info->service_type == service_type)
552 static connman_bool_t service_match(struct connman_session *session,
553 struct connman_service *service)
555 if (service_type_match(session, service) == FALSE)
561 static int service_type_weight(enum connman_service_type type)
564 * The session doesn't care which service
565 * to use. Nevertheless we have to sort them
566 * according their type. The ordering is
575 case CONNMAN_SERVICE_TYPE_ETHERNET:
577 case CONNMAN_SERVICE_TYPE_BLUETOOTH:
579 case CONNMAN_SERVICE_TYPE_WIFI:
580 case CONNMAN_SERVICE_TYPE_WIMAX:
582 case CONNMAN_SERVICE_TYPE_CELLULAR:
584 case CONNMAN_SERVICE_TYPE_UNKNOWN:
585 case CONNMAN_SERVICE_TYPE_SYSTEM:
586 case CONNMAN_SERVICE_TYPE_GPS:
587 case CONNMAN_SERVICE_TYPE_VPN:
588 case CONNMAN_SERVICE_TYPE_GADGET:
595 static gint sort_allowed_bearers(struct connman_service *service_a,
596 struct connman_service *service_b,
597 struct connman_session *session)
599 struct session_info *info = session->info;
601 enum connman_service_type type_a, type_b;
602 int weight_a, weight_b;
604 type_a = connman_service_get_type(service_a);
605 type_b = connman_service_get_type(service_b);
607 for (list = info->allowed_bearers;
608 list != NULL; list = list->next) {
609 struct bearer_info *info = list->data;
611 if (info->match_all == TRUE) {
612 if (type_a != type_b) {
613 weight_a = service_type_weight(type_a);
614 weight_b = service_type_weight(type_b);
616 if (weight_a > weight_b)
619 if (weight_a < weight_b)
626 if (type_a == info->service_type &&
627 type_b == info->service_type) {
631 if (type_a == info->service_type &&
632 type_b != info->service_type) {
636 if (type_a != info->service_type &&
637 type_b == info->service_type) {
645 static gint sort_services(gconstpointer a, gconstpointer b, gpointer user_data)
647 struct service_entry *entry_a = (void *)a;
648 struct service_entry *entry_b = (void *)b;
649 struct connman_session *session = user_data;
651 return sort_allowed_bearers(entry_a->service, entry_b->service,
655 static void cleanup_session(gpointer user_data)
657 struct connman_session *session = user_data;
658 struct session_info *info = session->info;
660 DBG("remove %s", session->session_path);
662 g_hash_table_destroy(session->service_hash);
663 g_sequence_free(session->service_list);
665 if (info->entry != NULL &&
666 info->entry->reason == CONNMAN_SESSION_REASON_CONNECT) {
667 __connman_service_disconnect(info->entry->service);
670 g_slist_foreach(info->allowed_bearers, cleanup_bearer_info, NULL);
671 g_slist_free(info->allowed_bearers);
673 g_free(session->owner);
674 g_free(session->session_path);
675 g_free(session->notify_path);
676 g_free(session->info);
677 g_free(session->info_last);
682 static connman_bool_t is_online(enum connman_service_state state)
685 case CONNMAN_SERVICE_STATE_UNKNOWN:
686 case CONNMAN_SERVICE_STATE_IDLE:
687 case CONNMAN_SERVICE_STATE_ASSOCIATION:
688 case CONNMAN_SERVICE_STATE_CONFIGURATION:
689 case CONNMAN_SERVICE_STATE_DISCONNECT:
690 case CONNMAN_SERVICE_STATE_FAILURE:
691 case CONNMAN_SERVICE_STATE_READY:
693 case CONNMAN_SERVICE_STATE_ONLINE:
700 static connman_bool_t is_connecting(enum connman_service_state state)
703 case CONNMAN_SERVICE_STATE_UNKNOWN:
704 case CONNMAN_SERVICE_STATE_IDLE:
706 case CONNMAN_SERVICE_STATE_ASSOCIATION:
707 case CONNMAN_SERVICE_STATE_CONFIGURATION:
708 case CONNMAN_SERVICE_STATE_READY:
710 case CONNMAN_SERVICE_STATE_DISCONNECT:
711 case CONNMAN_SERVICE_STATE_FAILURE:
712 case CONNMAN_SERVICE_STATE_ONLINE:
719 static connman_bool_t explicit_connect(enum connman_session_reason reason)
722 case CONNMAN_SESSION_REASON_UNKNOWN:
723 case CONNMAN_SESSION_REASON_FREE_RIDE:
724 case CONNMAN_SESSION_REASON_DISCONNECT:
726 case CONNMAN_SESSION_REASON_CONNECT:
727 case CONNMAN_SESSION_REASON_PERIODIC:
734 static connman_bool_t explicit_disconnect(struct session_info *info)
736 if (info->entry == NULL)
739 DBG("reason %s service %p state %d",
740 reason2string(info->entry->reason),
741 info->entry->service, info->entry->state);
743 if (info->entry->reason == CONNMAN_SESSION_REASON_UNKNOWN)
746 if (explicit_connect(info->entry->reason) == FALSE)
749 if (__connman_service_session_dec(info->entry->service) == FALSE)
752 if (ecall_info != NULL && ecall_info != info)
758 static gboolean call_disconnect(gpointer user_data)
760 struct connman_service *service = user_data;
763 * TODO: We should mark this entry as pending work. In case
764 * disconnect fails we just unassign this session from the
765 * service and can't do anything later on it
767 DBG("disconnect service %p", service);
768 __connman_service_disconnect(service);
773 static gboolean call_connect(gpointer user_data)
775 struct connman_service *service = user_data;
777 DBG("connect service %p", service);
778 __connman_service_connect(service);
783 static void deselect_service(struct session_info *info)
785 struct connman_service *service;
786 connman_bool_t disconnect, online;
790 if (info->entry == NULL)
793 disconnect = explicit_disconnect(info);
795 online = is_connecting(info->entry->state) == TRUE ||
796 is_online(info->entry->state) == TRUE;
798 info->online = FALSE;
799 info->entry->reason = CONNMAN_SESSION_REASON_UNKNOWN;
801 service = info->entry->service;
804 DBG("disconnect %d online %d", disconnect, online);
806 if (disconnect == TRUE && online == TRUE)
807 g_timeout_add_seconds(0, call_disconnect, service);
810 static void deselect_and_disconnect(struct connman_session *session,
811 enum connman_session_reason reason)
813 struct session_info *info = session->info;
815 deselect_service(info);
817 info->reason = reason;
820 static void select_online_service(struct session_info *info,
821 struct service_entry *entry)
826 info->entry->reason = info->reason;
828 if (explicit_connect(info->reason) == FALSE)
831 __connman_service_session_inc(info->entry->service);
834 static void select_offline_service(struct session_info *info,
835 struct service_entry *entry)
837 if (explicit_connect(info->reason) == FALSE)
840 info->online = FALSE;
843 info->entry->reason = info->reason;
845 __connman_service_session_inc(info->entry->service);
846 g_timeout_add_seconds(0, call_connect, info->entry->service);
849 static void select_service(struct session_info *info,
850 struct service_entry *entry)
852 DBG("service %p", entry->service);
854 if (is_online(entry->state) == TRUE)
855 select_online_service(info, entry);
857 select_offline_service(info, entry);
860 static void select_and_connect(struct connman_session *session,
861 enum connman_session_reason reason)
863 struct session_info *info = session->info;
864 struct service_entry *entry = NULL;
867 DBG("session %p reason %s", session, reason2string(reason));
869 info->reason = reason;
871 iter = g_sequence_get_begin_iter(session->service_list);
873 while (g_sequence_iter_is_end(iter) == FALSE) {
874 entry = g_sequence_get(iter);
876 switch (entry->state) {
877 case CONNMAN_SERVICE_STATE_ASSOCIATION:
878 case CONNMAN_SERVICE_STATE_CONFIGURATION:
879 case CONNMAN_SERVICE_STATE_READY:
880 case CONNMAN_SERVICE_STATE_ONLINE:
881 case CONNMAN_SERVICE_STATE_IDLE:
882 case CONNMAN_SERVICE_STATE_DISCONNECT:
883 select_service(info, entry);
885 case CONNMAN_SERVICE_STATE_UNKNOWN:
886 case CONNMAN_SERVICE_STATE_FAILURE:
890 iter = g_sequence_iter_next(iter);
894 static void session_changed(struct connman_session *session,
895 enum connman_session_trigger trigger)
897 struct session_info *info = session->info;
898 struct session_info *info_last = session->info_last;
902 * TODO: This only a placeholder for the 'real' algorithm to
903 * play a bit around. So we are going to improve it step by step.
906 DBG("session %p trigger %s reason %s", session, trigger2string(trigger),
907 reason2string(info->reason));
909 if (info->entry != NULL) {
910 info->online = is_online(info->entry->state);
911 if (info_last->online != info->online)
912 session->info_dirty = TRUE;
916 case CONNMAN_SESSION_TRIGGER_UNKNOWN:
917 DBG("ignore session changed event");
919 case CONNMAN_SESSION_TRIGGER_SETTING:
920 if (info->entry != NULL) {
921 iter = g_hash_table_lookup(session->service_hash,
922 info->entry->service);
925 * This service is not part of this
928 deselect_and_disconnect(session, info->reason);
932 if (info->online == FALSE) {
933 select_and_connect(session,
934 CONNMAN_SESSION_REASON_FREE_RIDE);
938 case CONNMAN_SESSION_TRIGGER_CONNECT:
939 if (info->online == TRUE) {
940 if (info->entry->reason == CONNMAN_SESSION_REASON_CONNECT)
942 info->entry->reason = CONNMAN_SESSION_REASON_CONNECT;
943 __connman_service_session_inc(info->entry->service);
947 select_and_connect(session,
948 CONNMAN_SESSION_REASON_CONNECT);
951 case CONNMAN_SESSION_TRIGGER_DISCONNECT:
952 deselect_and_disconnect(session,
953 CONNMAN_SESSION_REASON_DISCONNECT);
956 case CONNMAN_SESSION_TRIGGER_PERIODIC:
957 if (info->online == TRUE) {
958 info->entry->reason = CONNMAN_SESSION_REASON_PERIODIC;
959 __connman_service_session_inc(info->entry->service);
963 select_and_connect(session,
964 CONNMAN_SESSION_REASON_PERIODIC);
967 case CONNMAN_SESSION_TRIGGER_SERVICE:
968 if (info->entry != NULL &&
969 (is_connecting(info->entry->state) == TRUE ||
970 is_online(info->entry->state) == TRUE)) {
974 deselect_and_disconnect(session, info->reason);
976 if (info->reason == CONNMAN_SESSION_REASON_FREE_RIDE ||
977 info->stay_connected == TRUE) {
978 select_and_connect(session, info->reason);
982 case CONNMAN_SESSION_TRIGGER_ECALL:
983 if (info->online == FALSE && info->entry != NULL &&
984 info->entry->service != NULL) {
985 deselect_and_disconnect(session, info->reason);
991 if (info->entry != info_last->entry)
992 session->info_dirty = TRUE;
994 session_notify(session);
997 static DBusMessage *connect_session(DBusConnection *conn,
998 DBusMessage *msg, void *user_data)
1000 struct connman_session *session = user_data;
1001 struct session_info *info = session->info;
1003 DBG("session %p", session);
1005 if (ecall_info != NULL && ecall_info != info)
1006 return __connman_error_failed(msg, EBUSY);
1008 session_changed(session, CONNMAN_SESSION_TRIGGER_CONNECT);
1010 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
1013 static DBusMessage *disconnect_session(DBusConnection *conn,
1014 DBusMessage *msg, void *user_data)
1016 struct connman_session *session = user_data;
1017 struct session_info *info = session->info;
1019 DBG("session %p", session);
1021 if (ecall_info != NULL && ecall_info != info)
1022 return __connman_error_failed(msg, EBUSY);
1024 session_changed(session, CONNMAN_SESSION_TRIGGER_DISCONNECT);
1026 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
1029 static struct service_entry *create_service_entry(struct connman_service *service,
1031 enum connman_service_state state)
1033 struct service_entry *entry;
1034 enum connman_service_type type;
1037 entry = g_try_new0(struct service_entry, 1);
1041 entry->reason = CONNMAN_SESSION_REASON_UNKNOWN;
1042 entry->state = state;
1047 entry->service = service;
1049 idx = __connman_service_get_index(entry->service);
1050 entry->ifname = connman_inet_ifname(idx);
1051 if (entry->ifname == NULL)
1052 entry->ifname = g_strdup("");
1054 type = connman_service_get_type(entry->service);
1055 entry->bearer = service2bearer(type);
1060 static void destroy_service_entry(gpointer data)
1062 struct service_entry *entry = data;
1064 g_free(entry->ifname);
1069 static void update_allowed_bearers(struct connman_session *session)
1071 struct service_entry *entry;
1072 GSequenceIter *iter;
1074 if (session->service_list != NULL) {
1075 g_hash_table_remove_all(session->service_hash);
1076 g_sequence_free(session->service_list);
1079 session->service_list = __connman_service_get_list(session,
1081 create_service_entry,
1082 destroy_service_entry);
1084 g_sequence_sort(session->service_list, sort_services, session);
1086 iter = g_sequence_get_begin_iter(session->service_list);
1088 while (g_sequence_iter_is_end(iter) == FALSE) {
1089 entry = g_sequence_get(iter);
1091 DBG("service %p type %s name %s", entry->service,
1092 service2bearer(connman_service_get_type(entry->service)),
1095 g_hash_table_replace(session->service_hash,
1096 entry->service, iter);
1098 iter = g_sequence_iter_next(iter);
1101 session->info_dirty = TRUE;
1104 static void update_ecall_sessions(struct connman_session *session)
1106 struct session_info *info = session->info;
1107 struct connman_session *session_iter;
1108 GHashTableIter iter;
1109 gpointer key, value;
1111 g_hash_table_iter_init(&iter, session_hash);
1113 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1114 session_iter = value;
1116 if (session_iter == session)
1119 session_iter->info->ecall = info->ecall;
1120 session_iter->info_dirty = TRUE;
1122 session_changed(session_iter, CONNMAN_SESSION_TRIGGER_ECALL);
1126 static void update_ecall(struct connman_session *session)
1128 struct session_info *info = session->info;
1129 struct session_info *info_last = session->info_last;
1131 DBG("session %p ecall_info %p ecall %d -> %d", session,
1132 ecall_info, info_last->ecall, info->ecall);
1134 if (ecall_info == NULL) {
1135 if (!(info_last->ecall == FALSE && info->ecall == TRUE))
1139 } else if (ecall_info == info) {
1140 if (!(info_last->ecall == TRUE && info->ecall == FALSE))
1148 update_ecall_sessions(session);
1150 session->info_dirty = TRUE;
1154 /* not a valid transition */
1155 info->ecall = info_last->ecall;
1158 static DBusMessage *change_session(DBusConnection *conn,
1159 DBusMessage *msg, void *user_data)
1161 struct connman_session *session = user_data;
1162 struct session_info *info = session->info;
1163 struct session_info *info_last = session->info_last;
1164 DBusMessageIter iter, value;
1166 GSList *allowed_bearers;
1168 DBG("session %p", session);
1169 if (dbus_message_iter_init(msg, &iter) == FALSE)
1170 return __connman_error_invalid_arguments(msg);
1172 dbus_message_iter_get_basic(&iter, &name);
1173 dbus_message_iter_next(&iter);
1174 dbus_message_iter_recurse(&iter, &value);
1176 switch (dbus_message_iter_get_arg_type(&value)) {
1177 case DBUS_TYPE_ARRAY:
1178 if (g_str_equal(name, "AllowedBearers") == TRUE) {
1179 allowed_bearers = session_parse_allowed_bearers(&value);
1181 g_slist_foreach(info->allowed_bearers,
1182 cleanup_bearer_info, NULL);
1183 g_slist_free(info->allowed_bearers);
1185 if (allowed_bearers == NULL) {
1186 allowed_bearers = session_allowed_bearers_any();
1188 if (allowed_bearers == NULL)
1189 return __connman_error_failed(msg, ENOMEM);
1192 info->allowed_bearers = allowed_bearers;
1194 update_allowed_bearers(session);
1199 case DBUS_TYPE_BOOLEAN:
1200 if (g_str_equal(name, "Priority") == TRUE) {
1201 dbus_message_iter_get_basic(&value,
1204 if (info_last->priority != info->priority)
1205 session->info_dirty = TRUE;
1206 } else if (g_str_equal(name, "AvoidHandover") == TRUE) {
1207 dbus_message_iter_get_basic(&value,
1208 &info->avoid_handover);
1210 if (info_last->avoid_handover != info->avoid_handover)
1211 session->info_dirty = TRUE;
1212 } else if (g_str_equal(name, "StayConnected") == TRUE) {
1213 dbus_message_iter_get_basic(&value,
1214 &info->stay_connected);
1216 if (info_last->stay_connected != info->stay_connected)
1217 session->info_dirty = TRUE;
1218 } else if (g_str_equal(name, "EmergencyCall") == TRUE) {
1219 dbus_message_iter_get_basic(&value,
1222 update_ecall(session);
1227 case DBUS_TYPE_UINT32:
1228 if (g_str_equal(name, "PeriodicConnect") == TRUE) {
1229 dbus_message_iter_get_basic(&value,
1230 &info->periodic_connect);
1232 if (info_last->periodic_connect != info->periodic_connect)
1233 session->info_dirty = TRUE;
1234 } else if (g_str_equal(name, "IdleTimeout") == TRUE) {
1235 dbus_message_iter_get_basic(&value,
1236 &info->idle_timeout);
1238 if (info_last->idle_timeout != info->idle_timeout)
1239 session->info_dirty = TRUE;
1244 case DBUS_TYPE_STRING:
1245 if (g_str_equal(name, "RoamingPolicy") == TRUE) {
1247 dbus_message_iter_get_basic(&value, &val);
1248 info->roaming_policy =
1249 string2roamingpolicy(val);
1251 if (info_last->roaming_policy != info->roaming_policy)
1252 session->info_dirty = TRUE;
1261 if (session->info_dirty == TRUE)
1262 session_changed(session, CONNMAN_SESSION_TRIGGER_SETTING);
1264 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
1267 return __connman_error_invalid_arguments(msg);
1270 static void release_session(gpointer key, gpointer value, gpointer user_data)
1272 struct connman_session *session = value;
1273 DBusMessage *message;
1275 DBG("owner %s path %s", session->owner, session->notify_path);
1277 if (session->notify_watch > 0)
1278 g_dbus_remove_watch(connection, session->notify_watch);
1280 g_dbus_unregister_interface(connection, session->session_path,
1281 CONNMAN_SESSION_INTERFACE);
1283 message = dbus_message_new_method_call(session->owner,
1284 session->notify_path,
1285 CONNMAN_NOTIFICATION_INTERFACE,
1287 if (message == NULL)
1290 dbus_message_set_no_reply(message, TRUE);
1292 g_dbus_send_message(connection, message);
1295 static int session_disconnect(struct connman_session *session)
1297 DBG("session %p, %s", session, session->owner);
1299 if (session->notify_watch > 0)
1300 g_dbus_remove_watch(connection, session->notify_watch);
1302 g_dbus_unregister_interface(connection, session->session_path,
1303 CONNMAN_SESSION_INTERFACE);
1305 deselect_and_disconnect(session,
1306 CONNMAN_SESSION_REASON_DISCONNECT);
1308 g_hash_table_remove(session_hash, session->session_path);
1313 static void owner_disconnect(DBusConnection *conn, void *user_data)
1315 struct connman_session *session = user_data;
1317 DBG("session %p, %s died", session, session->owner);
1319 session_disconnect(session);
1322 static DBusMessage *destroy_session(DBusConnection *conn,
1323 DBusMessage *msg, void *user_data)
1325 struct connman_session *session = user_data;
1327 DBG("session %p", session);
1329 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
1332 static GDBusMethodTable session_methods[] = {
1333 { "Destroy", "", "", destroy_session },
1334 { "Connect", "", "", connect_session },
1335 { "Disconnect", "", "", disconnect_session },
1336 { "Change", "sv", "", change_session },
1340 int __connman_session_create(DBusMessage *msg)
1342 const char *owner, *notify_path;
1343 char *session_path = NULL;
1344 DBusMessageIter iter, array;
1345 struct connman_session *session = NULL;
1346 struct session_info *info, *info_last;
1348 connman_bool_t priority = FALSE, avoid_handover = FALSE;
1349 connman_bool_t stay_connected = FALSE, ecall = FALSE;
1350 enum connman_session_roaming_policy roaming_policy =
1351 CONNMAN_SESSION_ROAMING_POLICY_FORBIDDEN;
1352 GSList *allowed_bearers = NULL;
1353 unsigned int periodic_connect = 0;
1354 unsigned int idle_timeout = 0;
1358 owner = dbus_message_get_sender(msg);
1360 DBG("owner %s", owner);
1362 if (ecall_info != NULL) {
1364 * If there is an emergency call already going on,
1365 * ignore session creation attempt
1371 dbus_message_iter_init(msg, &iter);
1372 dbus_message_iter_recurse(&iter, &array);
1374 while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
1375 DBusMessageIter entry, value;
1376 const char *key, *val;
1378 dbus_message_iter_recurse(&array, &entry);
1379 dbus_message_iter_get_basic(&entry, &key);
1381 dbus_message_iter_next(&entry);
1382 dbus_message_iter_recurse(&entry, &value);
1384 switch (dbus_message_iter_get_arg_type(&value)) {
1385 case DBUS_TYPE_ARRAY:
1386 if (g_str_equal(key, "AllowedBearers") == TRUE) {
1388 session_parse_allowed_bearers(&value);
1393 case DBUS_TYPE_BOOLEAN:
1394 if (g_str_equal(key, "Priority") == TRUE) {
1395 dbus_message_iter_get_basic(&value,
1397 } else if (g_str_equal(key, "AvoidHandover") == TRUE) {
1398 dbus_message_iter_get_basic(&value,
1400 } else if (g_str_equal(key, "StayConnected") == TRUE) {
1401 dbus_message_iter_get_basic(&value,
1403 } else if (g_str_equal(key, "EmergencyCall") == TRUE) {
1404 dbus_message_iter_get_basic(&value,
1410 case DBUS_TYPE_UINT32:
1411 if (g_str_equal(key, "PeriodicConnect") == TRUE) {
1412 dbus_message_iter_get_basic(&value,
1414 } else if (g_str_equal(key, "IdleTimeout") == TRUE) {
1415 dbus_message_iter_get_basic(&value,
1421 case DBUS_TYPE_STRING:
1422 if (g_str_equal(key, "RoamingPolicy") == TRUE) {
1423 dbus_message_iter_get_basic(&value, &val);
1424 roaming_policy = string2roamingpolicy(val);
1429 dbus_message_iter_next(&array);
1432 dbus_message_iter_next(&iter);
1433 dbus_message_iter_get_basic(&iter, ¬ify_path);
1435 if (notify_path == NULL) {
1440 session_path = g_strdup_printf("/sessions%s", notify_path);
1441 if (session_path == NULL) {
1446 session = g_hash_table_lookup(session_hash, session_path);
1447 if (session != NULL) {
1453 session = g_try_new0(struct connman_session, 1);
1454 if (session == NULL) {
1459 session->info = g_try_new0(struct session_info, 1);
1460 if (session->info == NULL) {
1465 session->info_last = g_try_new0(struct session_info, 1);
1466 if (session->info_last == NULL) {
1471 info = session->info;
1472 info_last = session->info_last;
1474 session->owner = g_strdup(owner);
1475 session->session_path = session_path;
1476 session->notify_path = g_strdup(notify_path);
1477 session->notify_watch =
1478 g_dbus_add_disconnect_watch(connection, session->owner,
1479 owner_disconnect, session, NULL);
1481 session->service_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
1484 info->online = FALSE;
1485 info->priority = priority;
1486 info->avoid_handover = avoid_handover;
1487 info->stay_connected = stay_connected;
1488 info->periodic_connect = periodic_connect;
1489 info->idle_timeout = idle_timeout;
1490 info->ecall = ecall;
1491 info->roaming_policy = roaming_policy;
1495 if (allowed_bearers == NULL) {
1496 info->allowed_bearers =
1497 session_allowed_bearers_any();
1499 if (info->allowed_bearers == NULL) {
1504 info->allowed_bearers = allowed_bearers;
1507 g_hash_table_replace(session_hash, session->session_path, session);
1509 DBG("add %s", session->session_path);
1511 if (g_dbus_register_interface(connection, session->session_path,
1512 CONNMAN_SESSION_INTERFACE,
1513 session_methods, NULL,
1514 NULL, session, NULL) == FALSE) {
1515 connman_error("Failed to register %s", session->session_path);
1516 g_hash_table_remove(session_hash, session->session_path);
1523 g_dbus_send_reply(connection, msg,
1524 DBUS_TYPE_OBJECT_PATH, &session->session_path,
1528 update_allowed_bearers(session);
1529 if (info->ecall == TRUE) {
1531 update_ecall_sessions(session);
1534 info_last->online = info->online;
1535 info_last->priority = info->priority;
1536 info_last->avoid_handover = info->avoid_handover;
1537 info_last->stay_connected = info->stay_connected;
1538 info_last->periodic_connect = info->periodic_connect;
1539 info_last->idle_timeout = info->idle_timeout;
1540 info_last->ecall = info->ecall;
1541 info_last->roaming_policy = info->roaming_policy;
1542 info_last->entry = info->entry;
1543 info_last->marker = info->marker;
1544 info_last->allowed_bearers = info->allowed_bearers;
1546 session->info_dirty = TRUE;
1547 session->append_all = TRUE;
1549 session_changed(session, CONNMAN_SESSION_TRIGGER_SETTING);
1554 connman_error("Failed to create session");
1556 if (session != NULL) {
1557 if (session->info_last != NULL)
1558 g_free(session->info_last);
1559 if (session->info != NULL)
1560 g_free(session->info);
1564 g_free(session_path);
1566 g_slist_foreach(allowed_bearers, cleanup_bearer_info, NULL);
1567 g_slist_free(allowed_bearers);
1572 int __connman_session_destroy(DBusMessage *msg)
1574 const char *owner, *session_path;
1575 struct connman_session *session;
1577 owner = dbus_message_get_sender(msg);
1579 DBG("owner %s", owner);
1581 dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &session_path,
1583 if (session_path == NULL)
1586 session = g_hash_table_lookup(session_hash, session_path);
1587 if (session == NULL)
1590 if (g_strcmp0(owner, session->owner) != 0)
1593 session_disconnect(session);
1598 connman_bool_t __connman_session_mode()
1603 void __connman_session_set_mode(connman_bool_t enable)
1605 DBG("enable %d", enable);
1607 sessionmode = enable;
1609 if (sessionmode == TRUE)
1610 __connman_service_disconnect_all();
1613 static void service_add(struct connman_service *service,
1616 GHashTableIter iter;
1617 GSequenceIter *iter_service_list;
1618 gpointer key, value;
1619 struct connman_session *session;
1620 struct service_entry *entry;
1622 DBG("service %p", service);
1624 g_hash_table_iter_init(&iter, session_hash);
1626 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1629 if (service_match(session, service) == FALSE)
1632 entry = create_service_entry(service, name,
1633 CONNMAN_SERVICE_STATE_IDLE);
1638 g_sequence_insert_sorted(session->service_list,
1639 entry, sort_services,
1642 g_hash_table_replace(session->service_hash, service,
1645 session_changed(session, CONNMAN_SESSION_TRIGGER_SERVICE);
1649 static void service_remove(struct connman_service *service)
1652 GHashTableIter iter;
1653 gpointer key, value;
1654 struct connman_session *session;
1655 struct session_info *info;
1657 DBG("service %p", service);
1659 g_hash_table_iter_init(&iter, session_hash);
1661 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1662 GSequenceIter *iter;
1664 info = session->info;
1666 iter = g_hash_table_lookup(session->service_hash, service);
1670 g_sequence_remove(iter);
1672 if (info->entry != NULL && info->entry->service == service)
1674 session_changed(session, CONNMAN_SESSION_TRIGGER_SERVICE);
1678 static void service_state_changed(struct connman_service *service,
1679 enum connman_service_state state)
1681 GHashTableIter iter;
1682 gpointer key, value;
1684 DBG("service %p state %d", service, state);
1686 g_hash_table_iter_init(&iter, session_hash);
1688 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1689 struct connman_session *session = value;
1690 GSequenceIter *service_iter;
1692 service_iter = g_hash_table_lookup(session->service_hash, service);
1693 if (service_iter != NULL) {
1694 struct service_entry *entry;
1696 entry = g_sequence_get(service_iter);
1697 entry->state = state;
1700 session_changed(session,
1701 CONNMAN_SESSION_TRIGGER_SERVICE);
1705 static void ipconfig_changed(struct connman_service *service,
1706 struct connman_ipconfig *ipconfig)
1708 GHashTableIter iter;
1709 gpointer key, value;
1710 struct connman_session *session;
1711 struct session_info *info;
1712 enum connman_ipconfig_type type;
1714 DBG("service %p ipconfig %p", service, ipconfig);
1716 type = __connman_ipconfig_get_config_type(ipconfig);
1718 g_hash_table_iter_init(&iter, session_hash);
1720 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1722 info = session->info;
1724 if (info->entry != NULL && info->entry->service == service) {
1725 if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1726 ipconfig_ipv4_changed(session);
1727 else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1728 ipconfig_ipv6_changed(session);
1733 static struct connman_notifier session_notifier = {
1735 .service_add = service_add,
1736 .service_remove = service_remove,
1737 .service_state_changed = service_state_changed,
1738 .ipconfig_changed = ipconfig_changed,
1741 int __connman_session_init(void)
1747 connection = connman_dbus_get_connection();
1748 if (connection == NULL)
1751 err = connman_notifier_register(&session_notifier);
1753 dbus_connection_unref(connection);
1757 session_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1758 NULL, cleanup_session);
1760 sessionmode = FALSE;
1764 void __connman_session_cleanup(void)
1768 if (connection == NULL)
1771 connman_notifier_unregister(&session_notifier);
1773 g_hash_table_foreach(session_hash, release_session, NULL);
1774 g_hash_table_destroy(session_hash);
1775 session_hash = NULL;
1777 dbus_connection_unref(connection);