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);
510 static void ipconfig_ipv4_changed(struct connman_session *session)
512 struct session_info *info = session->info;
514 connman_dbus_setting_changed_dict(session->owner, session->notify_path,
515 "IPv4", append_ipconfig_ipv4,
516 info->entry->service);
519 static void ipconfig_ipv6_changed(struct connman_session *session)
521 struct session_info *info = session->info;
523 connman_dbus_setting_changed_dict(session->owner, session->notify_path,
524 "IPv6", append_ipconfig_ipv6,
525 info->entry->service);
528 static connman_bool_t service_type_match(struct connman_session *session,
529 struct connman_service *service)
531 struct session_info *info = session->info;
534 for (list = info->allowed_bearers;
535 list != NULL; list = list->next) {
536 struct bearer_info *info = list->data;
537 enum connman_service_type service_type;
539 if (info->match_all == TRUE)
542 service_type = connman_service_get_type(service);
543 if (info->service_type == service_type)
550 static connman_bool_t service_match(struct connman_session *session,
551 struct connman_service *service)
553 if (service_type_match(session, service) == FALSE)
559 static int service_type_weight(enum connman_service_type type)
562 * The session doesn't care which service
563 * to use. Nevertheless we have to sort them
564 * according their type. The ordering is
573 case CONNMAN_SERVICE_TYPE_ETHERNET:
575 case CONNMAN_SERVICE_TYPE_BLUETOOTH:
577 case CONNMAN_SERVICE_TYPE_WIFI:
578 case CONNMAN_SERVICE_TYPE_WIMAX:
580 case CONNMAN_SERVICE_TYPE_CELLULAR:
582 case CONNMAN_SERVICE_TYPE_UNKNOWN:
583 case CONNMAN_SERVICE_TYPE_SYSTEM:
584 case CONNMAN_SERVICE_TYPE_GPS:
585 case CONNMAN_SERVICE_TYPE_VPN:
586 case CONNMAN_SERVICE_TYPE_GADGET:
593 static gint sort_allowed_bearers(struct connman_service *service_a,
594 struct connman_service *service_b,
595 struct connman_session *session)
597 struct session_info *info = session->info;
599 enum connman_service_type type_a, type_b;
600 int weight_a, weight_b;
602 type_a = connman_service_get_type(service_a);
603 type_b = connman_service_get_type(service_b);
605 for (list = info->allowed_bearers;
606 list != NULL; list = list->next) {
607 struct bearer_info *info = list->data;
609 if (info->match_all == TRUE) {
610 if (type_a != type_b) {
611 weight_a = service_type_weight(type_a);
612 weight_b = service_type_weight(type_b);
614 if (weight_a > weight_b)
617 if (weight_a < weight_b)
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) {
634 if (type_a != info->service_type &&
635 type_b == info->service_type) {
643 static gint sort_services(gconstpointer a, gconstpointer b, gpointer user_data)
645 struct service_entry *entry_a = (void *)a;
646 struct service_entry *entry_b = (void *)b;
647 struct connman_session *session = user_data;
649 return sort_allowed_bearers(entry_a->service, entry_b->service,
653 static void cleanup_session(gpointer user_data)
655 struct connman_session *session = user_data;
656 struct session_info *info = session->info;
658 DBG("remove %s", session->session_path);
660 g_hash_table_destroy(session->service_hash);
661 g_sequence_free(session->service_list);
663 if (info->entry != NULL &&
664 info->entry->reason == CONNMAN_SESSION_REASON_CONNECT) {
665 __connman_service_disconnect(info->entry->service);
668 g_slist_foreach(info->allowed_bearers, cleanup_bearer_info, NULL);
669 g_slist_free(info->allowed_bearers);
671 g_free(session->owner);
672 g_free(session->session_path);
673 g_free(session->notify_path);
674 g_free(session->info);
675 g_free(session->info_last);
680 static connman_bool_t is_online(enum connman_service_state state)
683 case CONNMAN_SERVICE_STATE_UNKNOWN:
684 case CONNMAN_SERVICE_STATE_IDLE:
685 case CONNMAN_SERVICE_STATE_ASSOCIATION:
686 case CONNMAN_SERVICE_STATE_CONFIGURATION:
687 case CONNMAN_SERVICE_STATE_DISCONNECT:
688 case CONNMAN_SERVICE_STATE_FAILURE:
689 case CONNMAN_SERVICE_STATE_READY:
691 case CONNMAN_SERVICE_STATE_ONLINE:
698 static connman_bool_t is_connecting(enum connman_service_state state)
701 case CONNMAN_SERVICE_STATE_UNKNOWN:
702 case CONNMAN_SERVICE_STATE_IDLE:
704 case CONNMAN_SERVICE_STATE_ASSOCIATION:
705 case CONNMAN_SERVICE_STATE_CONFIGURATION:
706 case CONNMAN_SERVICE_STATE_READY:
708 case CONNMAN_SERVICE_STATE_DISCONNECT:
709 case CONNMAN_SERVICE_STATE_FAILURE:
710 case CONNMAN_SERVICE_STATE_ONLINE:
717 static connman_bool_t explicit_connect(enum connman_session_reason reason)
720 case CONNMAN_SESSION_REASON_UNKNOWN:
721 case CONNMAN_SESSION_REASON_FREE_RIDE:
722 case CONNMAN_SESSION_REASON_DISCONNECT:
724 case CONNMAN_SESSION_REASON_CONNECT:
725 case CONNMAN_SESSION_REASON_PERIODIC:
732 static connman_bool_t explicit_disconnect(struct session_info *info)
734 if (info->entry == NULL)
737 DBG("reason %s service %p state %d",
738 reason2string(info->entry->reason),
739 info->entry->service, info->entry->state);
741 if (info->entry->reason == CONNMAN_SESSION_REASON_UNKNOWN)
744 if (explicit_connect(info->entry->reason) == FALSE)
747 if (__connman_service_session_dec(info->entry->service) == FALSE)
750 if (ecall_info != NULL && ecall_info != info)
756 static gboolean call_disconnect(gpointer user_data)
758 struct connman_service *service = user_data;
761 * TODO: We should mark this entry as pending work. In case
762 * disconnect fails we just unassign this session from the
763 * service and can't do anything later on it
765 DBG("disconnect service %p", service);
766 __connman_service_disconnect(service);
771 static gboolean call_connect(gpointer user_data)
773 struct connman_service *service = user_data;
775 DBG("connect service %p", service);
776 __connman_service_connect(service);
781 static connman_bool_t deselect_service(struct session_info *info)
783 struct connman_service *service;
784 connman_bool_t disconnect, online;
788 if (info->entry == NULL)
791 disconnect = explicit_disconnect(info);
793 online = is_connecting(info->entry->state) == TRUE ||
794 is_online(info->entry->state) == TRUE;
796 info->online = FALSE;
797 info->entry->reason = CONNMAN_SESSION_REASON_UNKNOWN;
799 service = info->entry->service;
802 DBG("disconnect %d online %d", disconnect, online);
804 if (disconnect == TRUE && online == TRUE)
805 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 session->info_dirty |= deselect_service(info);
817 info->reason = reason;
820 static connman_bool_t 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);
836 static connman_bool_t select_offline_service(struct session_info *info,
837 struct service_entry *entry)
839 if (explicit_connect(info->reason) == FALSE)
842 info->online = FALSE;
845 info->entry->reason = info->reason;
847 __connman_service_session_inc(info->entry->service);
848 g_timeout_add_seconds(0, call_connect, info->entry->service);
853 static connman_bool_t select_service(struct session_info *info,
854 struct service_entry *entry)
856 DBG("service %p", entry->service);
858 if (is_online(entry->state) == TRUE)
859 return select_online_service(info, entry);
861 return select_offline_service(info, entry);
864 static void select_and_connect(struct connman_session *session,
865 enum connman_session_reason reason)
867 struct session_info *info = session->info;
868 struct service_entry *entry = NULL;
871 DBG("session %p reason %s", session, reason2string(reason));
873 info->reason = reason;
875 iter = g_sequence_get_begin_iter(session->service_list);
877 while (g_sequence_iter_is_end(iter) == FALSE) {
878 entry = g_sequence_get(iter);
880 switch (entry->state) {
881 case CONNMAN_SERVICE_STATE_ASSOCIATION:
882 case CONNMAN_SERVICE_STATE_CONFIGURATION:
883 case CONNMAN_SERVICE_STATE_READY:
884 case CONNMAN_SERVICE_STATE_ONLINE:
885 case CONNMAN_SERVICE_STATE_IDLE:
886 case CONNMAN_SERVICE_STATE_DISCONNECT:
887 session->info_dirty |=
888 select_service(info, entry);
890 case CONNMAN_SERVICE_STATE_UNKNOWN:
891 case CONNMAN_SERVICE_STATE_FAILURE:
895 iter = g_sequence_iter_next(iter);
899 static struct service_entry *create_service_entry(struct connman_service *service,
901 enum connman_service_state state)
903 struct service_entry *entry;
904 enum connman_service_type type;
907 entry = g_try_new0(struct service_entry, 1);
911 entry->reason = CONNMAN_SESSION_REASON_UNKNOWN;
912 entry->state = state;
917 entry->service = service;
919 idx = __connman_service_get_index(entry->service);
920 entry->ifname = connman_inet_ifname(idx);
921 if (entry->ifname == NULL)
922 entry->ifname = g_strdup("");
924 type = connman_service_get_type(entry->service);
925 entry->bearer = service2bearer(type);
930 static void destroy_service_entry(gpointer data)
932 struct service_entry *entry = data;
934 g_free(entry->ifname);
939 static void populate_service_list(struct connman_session *session)
941 struct service_entry *entry;
944 session->service_hash =
945 g_hash_table_new_full(g_direct_hash, g_direct_equal,
947 session->service_list = __connman_service_get_list(session,
949 create_service_entry,
950 destroy_service_entry);
952 g_sequence_sort(session->service_list, sort_services, session);
954 iter = g_sequence_get_begin_iter(session->service_list);
956 while (g_sequence_iter_is_end(iter) == FALSE) {
957 entry = g_sequence_get(iter);
959 DBG("service %p type %s name %s", entry->service,
960 service2bearer(connman_service_get_type(entry->service)),
963 g_hash_table_replace(session->service_hash,
964 entry->service, iter);
966 iter = g_sequence_iter_next(iter);
970 static void session_changed(struct connman_session *session,
971 enum connman_session_trigger trigger)
973 struct session_info *info = session->info;
974 struct session_info *info_last = session->info_last;
975 GSequenceIter *service_iter = NULL, *service_iter_last = NULL;
976 GSequence *service_list_last;
977 GHashTable *service_hash_last;
980 * TODO: This only a placeholder for the 'real' algorithm to
981 * play a bit around. So we are going to improve it step by step.
984 DBG("session %p trigger %s reason %s", session, trigger2string(trigger),
985 reason2string(info->reason));
987 if (info->entry != NULL) {
988 info->online = is_online(info->entry->state);
989 if (info_last->online != info->online)
990 session->info_dirty = TRUE;
994 case CONNMAN_SESSION_TRIGGER_UNKNOWN:
995 DBG("ignore session changed event");
997 case CONNMAN_SESSION_TRIGGER_SETTING:
998 if (info->allowed_bearers != info_last->allowed_bearers) {
1000 service_hash_last = session->service_hash;
1001 service_list_last = session->service_list;
1003 populate_service_list(session);
1005 if (info->entry != NULL) {
1006 service_iter_last = g_hash_table_lookup(
1008 info->entry->service);
1009 service_iter = g_hash_table_lookup(
1010 session->service_hash,
1011 info->entry->service);
1014 if (service_iter == NULL && service_iter_last != NULL) {
1016 * The currently selected service is
1017 * not part of this session anymore.
1019 deselect_and_disconnect(session, info->reason);
1022 g_hash_table_remove_all(service_hash_last);
1023 g_sequence_free(service_list_last);
1026 if (info->online == FALSE) {
1027 select_and_connect(session,
1028 CONNMAN_SESSION_REASON_FREE_RIDE);
1032 case CONNMAN_SESSION_TRIGGER_CONNECT:
1033 if (info->online == TRUE) {
1034 if (info->entry->reason == CONNMAN_SESSION_REASON_CONNECT)
1036 info->entry->reason = CONNMAN_SESSION_REASON_CONNECT;
1037 __connman_service_session_inc(info->entry->service);
1041 select_and_connect(session,
1042 CONNMAN_SESSION_REASON_CONNECT);
1045 case CONNMAN_SESSION_TRIGGER_DISCONNECT:
1046 deselect_and_disconnect(session,
1047 CONNMAN_SESSION_REASON_DISCONNECT);
1050 case CONNMAN_SESSION_TRIGGER_PERIODIC:
1051 if (info->online == TRUE) {
1052 info->entry->reason = CONNMAN_SESSION_REASON_PERIODIC;
1053 __connman_service_session_inc(info->entry->service);
1057 select_and_connect(session,
1058 CONNMAN_SESSION_REASON_PERIODIC);
1061 case CONNMAN_SESSION_TRIGGER_SERVICE:
1062 if (info->entry != NULL &&
1063 (is_connecting(info->entry->state) == TRUE ||
1064 is_online(info->entry->state) == TRUE)) {
1068 deselect_and_disconnect(session, info->reason);
1070 if (info->reason == CONNMAN_SESSION_REASON_FREE_RIDE ||
1071 info->stay_connected == TRUE) {
1072 select_and_connect(session, info->reason);
1076 case CONNMAN_SESSION_TRIGGER_ECALL:
1077 if (info->online == FALSE && info->entry != NULL &&
1078 info->entry->service != NULL) {
1079 deselect_and_disconnect(session, info->reason);
1085 session_notify(session);
1088 static DBusMessage *connect_session(DBusConnection *conn,
1089 DBusMessage *msg, void *user_data)
1091 struct connman_session *session = user_data;
1092 struct session_info *info = session->info;
1094 DBG("session %p", session);
1096 if (ecall_info != NULL && ecall_info != info)
1097 return __connman_error_failed(msg, EBUSY);
1099 session_changed(session, CONNMAN_SESSION_TRIGGER_CONNECT);
1101 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
1104 static DBusMessage *disconnect_session(DBusConnection *conn,
1105 DBusMessage *msg, void *user_data)
1107 struct connman_session *session = user_data;
1108 struct session_info *info = session->info;
1110 DBG("session %p", session);
1112 if (ecall_info != NULL && ecall_info != info)
1113 return __connman_error_failed(msg, EBUSY);
1115 session_changed(session, CONNMAN_SESSION_TRIGGER_DISCONNECT);
1117 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
1120 static void update_ecall_sessions(struct connman_session *session)
1122 struct session_info *info = session->info;
1123 struct connman_session *session_iter;
1124 GHashTableIter iter;
1125 gpointer key, value;
1127 g_hash_table_iter_init(&iter, session_hash);
1129 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1130 session_iter = value;
1132 if (session_iter == session)
1135 session_iter->info->ecall = info->ecall;
1136 session_iter->info_dirty = TRUE;
1138 session_changed(session_iter, CONNMAN_SESSION_TRIGGER_ECALL);
1142 static void update_ecall(struct connman_session *session)
1144 struct session_info *info = session->info;
1145 struct session_info *info_last = session->info_last;
1147 DBG("session %p ecall_info %p ecall %d -> %d", session,
1148 ecall_info, info_last->ecall, info->ecall);
1150 if (ecall_info == NULL) {
1151 if (!(info_last->ecall == FALSE && info->ecall == TRUE))
1155 } else if (ecall_info == info) {
1156 if (!(info_last->ecall == TRUE && info->ecall == FALSE))
1164 update_ecall_sessions(session);
1166 session->info_dirty = TRUE;
1170 /* not a valid transition */
1171 info->ecall = info_last->ecall;
1174 static DBusMessage *change_session(DBusConnection *conn,
1175 DBusMessage *msg, void *user_data)
1177 struct connman_session *session = user_data;
1178 struct session_info *info = session->info;
1179 struct session_info *info_last = session->info_last;
1180 DBusMessageIter iter, value;
1182 GSList *allowed_bearers;
1184 DBG("session %p", session);
1185 if (dbus_message_iter_init(msg, &iter) == FALSE)
1186 return __connman_error_invalid_arguments(msg);
1188 dbus_message_iter_get_basic(&iter, &name);
1189 dbus_message_iter_next(&iter);
1190 dbus_message_iter_recurse(&iter, &value);
1192 switch (dbus_message_iter_get_arg_type(&value)) {
1193 case DBUS_TYPE_ARRAY:
1194 if (g_str_equal(name, "AllowedBearers") == TRUE) {
1195 allowed_bearers = session_parse_allowed_bearers(&value);
1197 g_slist_foreach(info->allowed_bearers,
1198 cleanup_bearer_info, NULL);
1199 g_slist_free(info->allowed_bearers);
1201 if (allowed_bearers == NULL) {
1202 allowed_bearers = session_allowed_bearers_any();
1204 if (allowed_bearers == NULL)
1205 return __connman_error_failed(msg, ENOMEM);
1208 info->allowed_bearers = allowed_bearers;
1210 session->info_dirty = TRUE;
1215 case DBUS_TYPE_BOOLEAN:
1216 if (g_str_equal(name, "Priority") == TRUE) {
1217 dbus_message_iter_get_basic(&value,
1220 if (info_last->priority != info->priority)
1221 session->info_dirty = TRUE;
1222 } else if (g_str_equal(name, "AvoidHandover") == TRUE) {
1223 dbus_message_iter_get_basic(&value,
1224 &info->avoid_handover);
1226 if (info_last->avoid_handover != info->avoid_handover)
1227 session->info_dirty = TRUE;
1228 } else if (g_str_equal(name, "StayConnected") == TRUE) {
1229 dbus_message_iter_get_basic(&value,
1230 &info->stay_connected);
1232 if (info_last->stay_connected != info->stay_connected)
1233 session->info_dirty = TRUE;
1234 } else if (g_str_equal(name, "EmergencyCall") == TRUE) {
1235 dbus_message_iter_get_basic(&value,
1238 update_ecall(session);
1243 case DBUS_TYPE_UINT32:
1244 if (g_str_equal(name, "PeriodicConnect") == TRUE) {
1245 dbus_message_iter_get_basic(&value,
1246 &info->periodic_connect);
1248 if (info_last->periodic_connect != info->periodic_connect)
1249 session->info_dirty = TRUE;
1250 } else if (g_str_equal(name, "IdleTimeout") == TRUE) {
1251 dbus_message_iter_get_basic(&value,
1252 &info->idle_timeout);
1254 if (info_last->idle_timeout != info->idle_timeout)
1255 session->info_dirty = TRUE;
1260 case DBUS_TYPE_STRING:
1261 if (g_str_equal(name, "RoamingPolicy") == TRUE) {
1263 dbus_message_iter_get_basic(&value, &val);
1264 info->roaming_policy =
1265 string2roamingpolicy(val);
1267 if (info_last->roaming_policy != info->roaming_policy)
1268 session->info_dirty = TRUE;
1277 if (session->info_dirty == TRUE)
1278 session_changed(session, CONNMAN_SESSION_TRIGGER_SETTING);
1280 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
1283 return __connman_error_invalid_arguments(msg);
1286 static void release_session(gpointer key, gpointer value, gpointer user_data)
1288 struct connman_session *session = value;
1289 DBusMessage *message;
1291 DBG("owner %s path %s", session->owner, session->notify_path);
1293 if (session->notify_watch > 0)
1294 g_dbus_remove_watch(connection, session->notify_watch);
1296 g_dbus_unregister_interface(connection, session->session_path,
1297 CONNMAN_SESSION_INTERFACE);
1299 message = dbus_message_new_method_call(session->owner,
1300 session->notify_path,
1301 CONNMAN_NOTIFICATION_INTERFACE,
1303 if (message == NULL)
1306 dbus_message_set_no_reply(message, TRUE);
1308 g_dbus_send_message(connection, message);
1311 static int session_disconnect(struct connman_session *session)
1313 DBG("session %p, %s", session, session->owner);
1315 if (session->notify_watch > 0)
1316 g_dbus_remove_watch(connection, session->notify_watch);
1318 g_dbus_unregister_interface(connection, session->session_path,
1319 CONNMAN_SESSION_INTERFACE);
1321 deselect_and_disconnect(session,
1322 CONNMAN_SESSION_REASON_DISCONNECT);
1324 g_hash_table_remove(session_hash, session->session_path);
1329 static void owner_disconnect(DBusConnection *conn, void *user_data)
1331 struct connman_session *session = user_data;
1333 DBG("session %p, %s died", session, session->owner);
1335 session_disconnect(session);
1338 static DBusMessage *destroy_session(DBusConnection *conn,
1339 DBusMessage *msg, void *user_data)
1341 struct connman_session *session = user_data;
1343 DBG("session %p", session);
1345 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
1348 static GDBusMethodTable session_methods[] = {
1349 { "Destroy", "", "", destroy_session },
1350 { "Connect", "", "", connect_session },
1351 { "Disconnect", "", "", disconnect_session },
1352 { "Change", "sv", "", change_session },
1356 int __connman_session_create(DBusMessage *msg)
1358 const char *owner, *notify_path;
1359 char *session_path = NULL;
1360 DBusMessageIter iter, array;
1361 struct connman_session *session = NULL;
1362 struct session_info *info, *info_last;
1364 connman_bool_t priority = FALSE, avoid_handover = FALSE;
1365 connman_bool_t stay_connected = FALSE, ecall = FALSE;
1366 enum connman_session_roaming_policy roaming_policy =
1367 CONNMAN_SESSION_ROAMING_POLICY_FORBIDDEN;
1368 GSList *allowed_bearers = NULL;
1369 unsigned int periodic_connect = 0;
1370 unsigned int idle_timeout = 0;
1374 owner = dbus_message_get_sender(msg);
1376 DBG("owner %s", owner);
1378 if (ecall_info != NULL) {
1380 * If there is an emergency call already going on,
1381 * ignore session creation attempt
1387 dbus_message_iter_init(msg, &iter);
1388 dbus_message_iter_recurse(&iter, &array);
1390 while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
1391 DBusMessageIter entry, value;
1392 const char *key, *val;
1394 dbus_message_iter_recurse(&array, &entry);
1395 dbus_message_iter_get_basic(&entry, &key);
1397 dbus_message_iter_next(&entry);
1398 dbus_message_iter_recurse(&entry, &value);
1400 switch (dbus_message_iter_get_arg_type(&value)) {
1401 case DBUS_TYPE_ARRAY:
1402 if (g_str_equal(key, "AllowedBearers") == TRUE) {
1404 session_parse_allowed_bearers(&value);
1409 case DBUS_TYPE_BOOLEAN:
1410 if (g_str_equal(key, "Priority") == TRUE) {
1411 dbus_message_iter_get_basic(&value,
1413 } else if (g_str_equal(key, "AvoidHandover") == TRUE) {
1414 dbus_message_iter_get_basic(&value,
1416 } else if (g_str_equal(key, "StayConnected") == TRUE) {
1417 dbus_message_iter_get_basic(&value,
1419 } else if (g_str_equal(key, "EmergencyCall") == TRUE) {
1420 dbus_message_iter_get_basic(&value,
1426 case DBUS_TYPE_UINT32:
1427 if (g_str_equal(key, "PeriodicConnect") == TRUE) {
1428 dbus_message_iter_get_basic(&value,
1430 } else if (g_str_equal(key, "IdleTimeout") == TRUE) {
1431 dbus_message_iter_get_basic(&value,
1437 case DBUS_TYPE_STRING:
1438 if (g_str_equal(key, "RoamingPolicy") == TRUE) {
1439 dbus_message_iter_get_basic(&value, &val);
1440 roaming_policy = string2roamingpolicy(val);
1445 dbus_message_iter_next(&array);
1448 dbus_message_iter_next(&iter);
1449 dbus_message_iter_get_basic(&iter, ¬ify_path);
1451 if (notify_path == NULL) {
1456 session_path = g_strdup_printf("/sessions%s", notify_path);
1457 if (session_path == NULL) {
1462 session = g_hash_table_lookup(session_hash, session_path);
1463 if (session != NULL) {
1469 session = g_try_new0(struct connman_session, 1);
1470 if (session == NULL) {
1475 session->info = g_try_new0(struct session_info, 1);
1476 if (session->info == NULL) {
1481 session->info_last = g_try_new0(struct session_info, 1);
1482 if (session->info_last == NULL) {
1487 info = session->info;
1488 info_last = session->info_last;
1490 session->owner = g_strdup(owner);
1491 session->session_path = session_path;
1492 session->notify_path = g_strdup(notify_path);
1493 session->notify_watch =
1494 g_dbus_add_disconnect_watch(connection, session->owner,
1495 owner_disconnect, session, NULL);
1497 info->online = FALSE;
1498 info->priority = priority;
1499 info->avoid_handover = avoid_handover;
1500 info->stay_connected = stay_connected;
1501 info->periodic_connect = periodic_connect;
1502 info->idle_timeout = idle_timeout;
1503 info->ecall = ecall;
1504 info->roaming_policy = roaming_policy;
1508 if (allowed_bearers == NULL) {
1509 info->allowed_bearers =
1510 session_allowed_bearers_any();
1512 if (info->allowed_bearers == NULL) {
1517 info->allowed_bearers = allowed_bearers;
1520 g_hash_table_replace(session_hash, session->session_path, session);
1522 DBG("add %s", session->session_path);
1524 if (g_dbus_register_interface(connection, session->session_path,
1525 CONNMAN_SESSION_INTERFACE,
1526 session_methods, NULL,
1527 NULL, session, NULL) == FALSE) {
1528 connman_error("Failed to register %s", session->session_path);
1529 g_hash_table_remove(session_hash, session->session_path);
1536 g_dbus_send_reply(connection, msg,
1537 DBUS_TYPE_OBJECT_PATH, &session->session_path,
1541 populate_service_list(session);
1542 if (info->ecall == TRUE) {
1544 update_ecall_sessions(session);
1547 info_last->online = info->online;
1548 info_last->priority = info->priority;
1549 info_last->avoid_handover = info->avoid_handover;
1550 info_last->stay_connected = info->stay_connected;
1551 info_last->periodic_connect = info->periodic_connect;
1552 info_last->idle_timeout = info->idle_timeout;
1553 info_last->ecall = info->ecall;
1554 info_last->roaming_policy = info->roaming_policy;
1555 info_last->entry = info->entry;
1556 info_last->marker = info->marker;
1557 info_last->allowed_bearers = info->allowed_bearers;
1559 session->info_dirty = TRUE;
1560 session->append_all = TRUE;
1562 session_changed(session, CONNMAN_SESSION_TRIGGER_SETTING);
1567 connman_error("Failed to create session");
1569 if (session != NULL) {
1570 if (session->info_last != NULL)
1571 g_free(session->info_last);
1572 if (session->info != NULL)
1573 g_free(session->info);
1577 g_free(session_path);
1579 g_slist_foreach(allowed_bearers, cleanup_bearer_info, NULL);
1580 g_slist_free(allowed_bearers);
1585 int __connman_session_destroy(DBusMessage *msg)
1587 const char *owner, *session_path;
1588 struct connman_session *session;
1590 owner = dbus_message_get_sender(msg);
1592 DBG("owner %s", owner);
1594 dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &session_path,
1596 if (session_path == NULL)
1599 session = g_hash_table_lookup(session_hash, session_path);
1600 if (session == NULL)
1603 if (g_strcmp0(owner, session->owner) != 0)
1606 session_disconnect(session);
1611 connman_bool_t __connman_session_mode()
1616 void __connman_session_set_mode(connman_bool_t enable)
1618 DBG("enable %d", enable);
1620 sessionmode = enable;
1622 if (sessionmode == TRUE)
1623 __connman_service_disconnect_all();
1626 static void service_add(struct connman_service *service,
1629 GHashTableIter iter;
1630 GSequenceIter *iter_service_list;
1631 gpointer key, value;
1632 struct connman_session *session;
1633 struct service_entry *entry;
1635 DBG("service %p", service);
1637 g_hash_table_iter_init(&iter, session_hash);
1639 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1642 if (service_match(session, service) == FALSE)
1645 entry = create_service_entry(service, name,
1646 CONNMAN_SERVICE_STATE_IDLE);
1651 g_sequence_insert_sorted(session->service_list,
1652 entry, sort_services,
1655 g_hash_table_replace(session->service_hash, service,
1658 session_changed(session, CONNMAN_SESSION_TRIGGER_SERVICE);
1662 static void service_remove(struct connman_service *service)
1665 GHashTableIter iter;
1666 gpointer key, value;
1667 struct connman_session *session;
1668 struct session_info *info;
1670 DBG("service %p", service);
1672 g_hash_table_iter_init(&iter, session_hash);
1674 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1675 GSequenceIter *iter;
1677 info = session->info;
1679 iter = g_hash_table_lookup(session->service_hash, service);
1683 g_sequence_remove(iter);
1685 if (info->entry != NULL && info->entry->service == service)
1687 session_changed(session, CONNMAN_SESSION_TRIGGER_SERVICE);
1691 static void service_state_changed(struct connman_service *service,
1692 enum connman_service_state state)
1694 GHashTableIter iter;
1695 gpointer key, value;
1697 DBG("service %p state %d", service, state);
1699 g_hash_table_iter_init(&iter, session_hash);
1701 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1702 struct connman_session *session = value;
1703 GSequenceIter *service_iter;
1705 service_iter = g_hash_table_lookup(session->service_hash, service);
1706 if (service_iter != NULL) {
1707 struct service_entry *entry;
1709 entry = g_sequence_get(service_iter);
1710 entry->state = state;
1713 session_changed(session,
1714 CONNMAN_SESSION_TRIGGER_SERVICE);
1718 static void ipconfig_changed(struct connman_service *service,
1719 struct connman_ipconfig *ipconfig)
1721 GHashTableIter iter;
1722 gpointer key, value;
1723 struct connman_session *session;
1724 struct session_info *info;
1725 enum connman_ipconfig_type type;
1727 DBG("service %p ipconfig %p", service, ipconfig);
1729 type = __connman_ipconfig_get_config_type(ipconfig);
1731 g_hash_table_iter_init(&iter, session_hash);
1733 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1735 info = session->info;
1737 if (info->entry != NULL && info->entry->service == service) {
1738 if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1739 ipconfig_ipv4_changed(session);
1740 else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1741 ipconfig_ipv6_changed(session);
1746 static struct connman_notifier session_notifier = {
1748 .service_add = service_add,
1749 .service_remove = service_remove,
1750 .service_state_changed = service_state_changed,
1751 .ipconfig_changed = ipconfig_changed,
1754 int __connman_session_init(void)
1760 connection = connman_dbus_get_connection();
1761 if (connection == NULL)
1764 err = connman_notifier_register(&session_notifier);
1766 dbus_connection_unref(connection);
1770 session_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1771 NULL, cleanup_session);
1773 sessionmode = FALSE;
1777 void __connman_session_cleanup(void)
1781 if (connection == NULL)
1784 connman_notifier_unregister(&session_notifier);
1786 g_hash_table_foreach(session_hash, release_session, NULL);
1787 g_hash_table_destroy(session_hash);
1788 session_hash = NULL;
1790 dbus_connection_unref(connection);