5 * Copyright (C) 2007-2012 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 #include <connman/session.h>
35 static DBusConnection *connection;
36 static GHashTable *session_hash;
37 static connman_bool_t sessionmode;
38 static struct connman_session *ecall_session;
39 static GSList *policy_list;
41 enum connman_session_trigger {
42 CONNMAN_SESSION_TRIGGER_UNKNOWN = 0,
43 CONNMAN_SESSION_TRIGGER_SETTING = 1,
44 CONNMAN_SESSION_TRIGGER_CONNECT = 2,
45 CONNMAN_SESSION_TRIGGER_DISCONNECT = 3,
46 CONNMAN_SESSION_TRIGGER_SERVICE = 4,
47 CONNMAN_SESSION_TRIGGER_ECALL = 5,
50 enum connman_session_reason {
51 CONNMAN_SESSION_REASON_UNKNOWN = 0,
52 CONNMAN_SESSION_REASON_CONNECT = 1,
53 CONNMAN_SESSION_REASON_FREE_RIDE = 2,
56 enum connman_session_state {
57 CONNMAN_SESSION_STATE_DISCONNECTED = 0,
58 CONNMAN_SESSION_STATE_CONNECTED = 1,
59 CONNMAN_SESSION_STATE_ONLINE = 2,
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;
70 GSList *pending_timeouts;
74 struct connman_session_config config;
75 enum connman_session_state state;
76 struct service_entry *entry;
77 enum connman_session_reason reason;
80 struct connman_session {
86 struct connman_session_policy *policy;
88 connman_bool_t append_all;
89 struct session_info *info;
90 struct session_info *info_last;
91 struct connman_session_config *policy_config;
95 GSequence *service_list;
96 GHashTable *service_hash;
99 static const char *trigger2string(enum connman_session_trigger trigger)
102 case CONNMAN_SESSION_TRIGGER_UNKNOWN:
104 case CONNMAN_SESSION_TRIGGER_SETTING:
106 case CONNMAN_SESSION_TRIGGER_CONNECT:
108 case CONNMAN_SESSION_TRIGGER_DISCONNECT:
110 case CONNMAN_SESSION_TRIGGER_SERVICE:
112 case CONNMAN_SESSION_TRIGGER_ECALL:
119 static const char *reason2string(enum connman_session_reason reason)
122 case CONNMAN_SESSION_REASON_UNKNOWN:
124 case CONNMAN_SESSION_REASON_CONNECT:
126 case CONNMAN_SESSION_REASON_FREE_RIDE:
133 static const char *state2string(enum connman_session_state state)
136 case CONNMAN_SESSION_STATE_DISCONNECTED:
137 return "disconnected";
138 case CONNMAN_SESSION_STATE_CONNECTED:
140 case CONNMAN_SESSION_STATE_ONLINE:
147 static const char *type2string(enum connman_session_type type)
150 case CONNMAN_SESSION_TYPE_UNKNOWN:
152 case CONNMAN_SESSION_TYPE_ANY:
154 case CONNMAN_SESSION_TYPE_LOCAL:
156 case CONNMAN_SESSION_TYPE_INTERNET:
163 static enum connman_session_type string2type(const char *type)
165 if (g_strcmp0(type, "any") == 0)
166 return CONNMAN_SESSION_TYPE_ANY;
167 if (g_strcmp0(type, "local") == 0)
168 return CONNMAN_SESSION_TYPE_LOCAL;
169 else if (g_strcmp0(type, "internet") == 0)
170 return CONNMAN_SESSION_TYPE_INTERNET;
172 return CONNMAN_SESSION_TYPE_UNKNOWN;
175 static int bearer2service(const char *bearer, enum connman_service_type *type)
177 if (g_strcmp0(bearer, "ethernet") == 0)
178 *type = CONNMAN_SERVICE_TYPE_ETHERNET;
179 else if (g_strcmp0(bearer, "wifi") == 0)
180 *type = CONNMAN_SERVICE_TYPE_WIFI;
181 else if (g_strcmp0(bearer, "wimax") == 0)
182 *type = CONNMAN_SERVICE_TYPE_WIMAX;
183 else if (g_strcmp0(bearer, "bluetooth") == 0)
184 *type = CONNMAN_SERVICE_TYPE_BLUETOOTH;
185 else if (g_strcmp0(bearer, "cellular") == 0)
186 *type = CONNMAN_SERVICE_TYPE_CELLULAR;
187 else if (g_strcmp0(bearer, "vpn") == 0)
188 *type = CONNMAN_SERVICE_TYPE_VPN;
189 else if (g_strcmp0(bearer, "*") == 0)
190 *type = CONNMAN_SERVICE_TYPE_UNKNOWN;
197 static char *service2bearer(enum connman_service_type type)
200 case CONNMAN_SERVICE_TYPE_ETHERNET:
202 case CONNMAN_SERVICE_TYPE_WIFI:
204 case CONNMAN_SERVICE_TYPE_WIMAX:
206 case CONNMAN_SERVICE_TYPE_BLUETOOTH:
208 case CONNMAN_SERVICE_TYPE_CELLULAR:
210 case CONNMAN_SERVICE_TYPE_VPN:
212 case CONNMAN_SERVICE_TYPE_UNKNOWN:
213 case CONNMAN_SERVICE_TYPE_SYSTEM:
214 case CONNMAN_SERVICE_TYPE_GPS:
215 case CONNMAN_SERVICE_TYPE_GADGET:
222 static int assign_policy_plugin(struct connman_session *session)
224 if (session->policy != NULL)
227 if (policy_list == NULL)
230 session->policy = policy_list->data;
235 static int create_policy_config(struct connman_session *session,
236 connman_session_config_cb callback,
239 struct connman_session_config *config;
241 if (session->policy == NULL) {
242 config = connman_session_create_default_config();
246 session->policy_config = config;
251 return (*session->policy->create)(session, callback, user_data);
254 static void destroy_policy_config(struct connman_session *session)
256 if (session->policy == NULL) {
257 connman_session_free_bearers(
258 session->policy_config->allowed_bearers);
259 g_free(session->policy_config);
261 (*session->policy->destroy)(session);
265 static void probe_policy(struct connman_session_policy *policy)
270 struct connman_session *session;
272 DBG("policy %p name %s", policy, policy->name);
274 g_hash_table_iter_init(&iter, session_hash);
276 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
279 if (session->policy != NULL)
282 assign_policy_plugin(session);
286 static void remove_policy(struct connman_session_policy *policy)
290 struct connman_session *session;
292 DBG("policy %p name %s", policy, policy->name);
294 g_hash_table_iter_init(&iter, session_hash);
296 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
299 if (session->policy != policy)
302 session->policy = NULL;
303 assign_policy_plugin(session);
307 static gint compare_priority(gconstpointer a, gconstpointer b)
309 const struct connman_session_policy *policy1 = a;
310 const struct connman_session_policy *policy2 = b;
312 return policy2->priority - policy1->priority;
316 int connman_session_policy_register(struct connman_session_policy *policy)
318 DBG("name %s", policy->name);
320 if (policy->create == NULL || policy->destroy == NULL)
323 policy_list = g_slist_insert_sorted(policy_list, policy,
326 probe_policy(policy);
331 void connman_session_policy_unregister(struct connman_session_policy *policy)
333 DBG("name %s", policy->name);
335 policy_list = g_slist_remove(policy_list, policy);
337 remove_policy(policy);
340 struct connman_session_config *connman_session_create_default_config(void)
342 struct connman_session_config *config;
344 config = g_try_new0(struct connman_session_config, 1);
348 config->priority = FALSE;
349 config->roaming_policy = CONNMAN_SESSION_ROAMING_POLICY_DEFAULT;
350 config->type = CONNMAN_SESSION_TYPE_ANY;
351 config->ecall = FALSE;
352 config->allowed_bearers = connman_session_allowed_bearers_any();
353 if (config->allowed_bearers == NULL) {
361 static enum connman_session_type apply_policy_on_type(
362 enum connman_session_type policy,
363 enum connman_session_type type)
365 if (type == CONNMAN_SESSION_TYPE_UNKNOWN)
366 return CONNMAN_SESSION_TYPE_UNKNOWN;
368 if (policy == CONNMAN_SESSION_TYPE_ANY)
371 if (policy == CONNMAN_SESSION_TYPE_LOCAL)
372 return CONNMAN_SESSION_TYPE_LOCAL;
374 return CONNMAN_SESSION_TYPE_INTERNET;
377 static void cleanup_bearer(gpointer data)
379 struct connman_session_bearer *bearer = data;
384 void connman_session_free_bearers(GSList *bearers)
386 g_slist_free_full(bearers, cleanup_bearer);
389 static int parse_bearers(DBusMessageIter *iter, GSList **list)
391 struct connman_session_bearer *bearer;
392 DBusMessageIter array;
395 dbus_message_iter_recurse(iter, &array);
399 while ((type = dbus_message_iter_get_arg_type(&array)) !=
401 char *bearer_name = NULL;
403 if (type != DBUS_TYPE_STRING) {
404 connman_session_free_bearers(*list);
409 dbus_message_iter_get_basic(&array, &bearer_name);
411 if (g_strcmp0(bearer_name, "") == 0) {
413 * An empty string means 'no match' which
414 * translates to allowed_bearers == NULL
419 bearer = g_try_new0(struct connman_session_bearer, 1);
420 if (bearer == NULL) {
421 connman_session_free_bearers(*list);
426 err = bearer2service(bearer_name, &bearer->service_type);
428 connman_session_free_bearers(*list);
433 *list = g_slist_append(*list, bearer);
436 dbus_message_iter_next(&array);
442 static struct connman_session_bearer *clone_bearer(
443 struct connman_session_bearer *orig)
445 struct connman_session_bearer *bearer;
447 bearer = g_try_new0(struct connman_session_bearer, 1);
451 bearer->service_type = orig->service_type;
456 static int filter_bearer(GSList *policy_bearers,
457 struct connman_session_bearer *bearer,
460 struct connman_session_bearer *policy, *tmp;
463 if (policy_bearers == NULL)
466 for (it = policy_bearers; it != NULL; it = it->next) {
469 if (policy->service_type != CONNMAN_SERVICE_TYPE_UNKNOWN &&
470 bearer->service_type != policy->service_type)
481 tmp = clone_bearer(bearer);
483 connman_session_free_bearers(*list);
487 *list = g_slist_append(*list, tmp);
492 static int apply_policy_on_bearers(GSList *policy_bearers, GSList *bearers,
495 struct connman_session_bearer *bearer;
501 for (it = bearers; it != NULL; it = it->next) {
504 err = filter_bearer(policy_bearers, bearer, list);
512 GSList *connman_session_allowed_bearers_any(void)
514 struct connman_session_bearer *bearer;
517 bearer = g_try_new0(struct connman_session_bearer, 1);
521 bearer->service_type = CONNMAN_SERVICE_TYPE_UNKNOWN;
523 list = g_slist_append(list, bearer);
528 static void append_allowed_bearers(DBusMessageIter *iter, void *user_data)
530 struct session_info *info = user_data;
533 for (list = info->config.allowed_bearers;
534 list != NULL; list = list->next) {
535 struct connman_session_bearer *bearer = list->data;
537 __connman_service_type2string(bearer->service_type);
542 dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING,
547 static void append_ipconfig_ipv4(DBusMessageIter *iter, void *user_data)
549 struct connman_service *service = user_data;
550 struct connman_ipconfig *ipconfig_ipv4;
555 if (__connman_service_is_connected_state(service,
556 CONNMAN_IPCONFIG_TYPE_IPV4) == FALSE) {
560 ipconfig_ipv4 = __connman_service_get_ip4config(service);
561 if (ipconfig_ipv4 == NULL)
564 __connman_ipconfig_append_ipv4(ipconfig_ipv4, iter);
567 static void append_ipconfig_ipv6(DBusMessageIter *iter, void *user_data)
569 struct connman_service *service = user_data;
570 struct connman_ipconfig *ipconfig_ipv4, *ipconfig_ipv6;
575 if (__connman_service_is_connected_state(service,
576 CONNMAN_IPCONFIG_TYPE_IPV6) == FALSE) {
580 ipconfig_ipv4 = __connman_service_get_ip4config(service);
581 ipconfig_ipv6 = __connman_service_get_ip6config(service);
582 if (ipconfig_ipv6 == NULL)
585 __connman_ipconfig_append_ipv6(ipconfig_ipv6, iter, ipconfig_ipv4);
588 static void append_notify(DBusMessageIter *dict,
589 struct connman_session *session)
591 struct session_info *info = session->info;
592 struct session_info *info_last = session->info_last;
593 struct connman_service *service;
594 const char *name, *ifname, *bearer;
596 if (session->append_all == TRUE ||
597 info->state != info_last->state) {
598 const char *state = state2string(info->state);
600 connman_dbus_dict_append_basic(dict, "State",
603 info_last->state = info->state;
606 if (session->append_all == TRUE ||
607 info->entry != info_last->entry) {
608 if (info->entry == NULL) {
614 name = info->entry->name;
615 ifname = info->entry->ifname;
616 service = info->entry->service;
617 bearer = info->entry->bearer;
620 connman_dbus_dict_append_basic(dict, "Name",
624 connman_dbus_dict_append_dict(dict, "IPv4",
625 append_ipconfig_ipv4,
628 connman_dbus_dict_append_dict(dict, "IPv6",
629 append_ipconfig_ipv6,
632 connman_dbus_dict_append_basic(dict, "Interface",
636 connman_dbus_dict_append_basic(dict, "Bearer",
640 info_last->entry = info->entry;
643 if (session->append_all == TRUE ||
644 info->config.type != info_last->config.type) {
645 const char *type = type2string(info->config.type);
647 connman_dbus_dict_append_basic(dict, "ConnectionType",
650 info_last->config.type = info->config.type;
653 if (session->append_all == TRUE ||
654 info->config.allowed_bearers != info_last->config.allowed_bearers) {
655 connman_dbus_dict_append_array(dict, "AllowedBearers",
657 append_allowed_bearers,
659 info_last->config.allowed_bearers = info->config.allowed_bearers;
662 session->append_all = FALSE;
665 static connman_bool_t is_type_matching_state(enum connman_session_state *state,
666 enum connman_session_type type)
669 case CONNMAN_SESSION_TYPE_UNKNOWN:
671 case CONNMAN_SESSION_TYPE_ANY:
673 case CONNMAN_SESSION_TYPE_LOCAL:
674 if (*state >= CONNMAN_SESSION_STATE_CONNECTED) {
675 *state = CONNMAN_SESSION_STATE_CONNECTED;
680 case CONNMAN_SESSION_TYPE_INTERNET:
681 if (*state == CONNMAN_SESSION_STATE_ONLINE)
689 static connman_bool_t compute_notifiable_changes(struct connman_session *session)
691 struct session_info *info_last = session->info_last;
692 struct session_info *info = session->info;
694 if (session->append_all == TRUE)
697 if (info->state != info_last->state)
700 if (info->entry != info_last->entry &&
701 info->state >= CONNMAN_SESSION_STATE_CONNECTED)
704 if (info->config.allowed_bearers != info_last->config.allowed_bearers ||
705 info->config.type != info_last->config.type)
711 static gboolean session_notify(gpointer user_data)
713 struct connman_session *session = user_data;
715 DBusMessageIter array, dict;
717 if (compute_notifiable_changes(session) == FALSE)
720 DBG("session %p owner %s notify_path %s", session,
721 session->owner, session->notify_path);
723 msg = dbus_message_new_method_call(session->owner, session->notify_path,
724 CONNMAN_NOTIFICATION_INTERFACE,
729 dbus_message_iter_init_append(msg, &array);
730 connman_dbus_dict_open(&array, &dict);
732 append_notify(&dict, session);
734 connman_dbus_dict_close(&array, &dict);
736 g_dbus_send_message(connection, msg);
741 static void ipconfig_ipv4_changed(struct connman_session *session)
743 struct session_info *info = session->info;
745 connman_dbus_setting_changed_dict(session->owner, session->notify_path,
746 "IPv4", append_ipconfig_ipv4,
747 info->entry->service);
750 static void ipconfig_ipv6_changed(struct connman_session *session)
752 struct session_info *info = session->info;
754 connman_dbus_setting_changed_dict(session->owner, session->notify_path,
755 "IPv6", append_ipconfig_ipv6,
756 info->entry->service);
759 static connman_bool_t service_type_match(struct connman_session *session,
760 struct connman_service *service)
762 struct session_info *info = session->info;
765 for (list = info->config.allowed_bearers;
766 list != NULL; list = list->next) {
767 struct connman_session_bearer *bearer = list->data;
768 enum connman_service_type service_type;
770 if (bearer->service_type == CONNMAN_SERVICE_TYPE_UNKNOWN)
773 service_type = connman_service_get_type(service);
774 if (bearer->service_type == service_type)
781 static connman_bool_t service_match(struct connman_session *session,
782 struct connman_service *service)
784 if (service_type_match(session, service) == FALSE)
790 static int service_type_weight(enum connman_service_type type)
793 * The session doesn't care which service
794 * to use. Nevertheless we have to sort them
795 * according their type. The ordering is
804 case CONNMAN_SERVICE_TYPE_ETHERNET:
806 case CONNMAN_SERVICE_TYPE_BLUETOOTH:
808 case CONNMAN_SERVICE_TYPE_WIFI:
809 case CONNMAN_SERVICE_TYPE_WIMAX:
811 case CONNMAN_SERVICE_TYPE_CELLULAR:
813 case CONNMAN_SERVICE_TYPE_UNKNOWN:
814 case CONNMAN_SERVICE_TYPE_SYSTEM:
815 case CONNMAN_SERVICE_TYPE_GPS:
816 case CONNMAN_SERVICE_TYPE_VPN:
817 case CONNMAN_SERVICE_TYPE_GADGET:
824 static gint sort_allowed_bearers(struct connman_service *service_a,
825 struct connman_service *service_b,
826 struct connman_session *session)
828 struct session_info *info = session->info;
830 enum connman_service_type type_a, type_b;
831 int weight_a, weight_b;
833 type_a = connman_service_get_type(service_a);
834 type_b = connman_service_get_type(service_b);
836 for (list = info->config.allowed_bearers;
837 list != NULL; list = list->next) {
838 struct connman_session_bearer *bearer = list->data;
840 if (bearer->service_type == CONNMAN_SERVICE_TYPE_UNKNOWN) {
841 if (type_a != type_b) {
842 weight_a = service_type_weight(type_a);
843 weight_b = service_type_weight(type_b);
845 if (weight_a > weight_b)
848 if (weight_a < weight_b)
855 if (type_a == bearer->service_type &&
856 type_b == bearer->service_type) {
860 if (type_a == bearer->service_type &&
861 type_b != bearer->service_type) {
865 if (type_a != bearer->service_type &&
866 type_b == bearer->service_type) {
874 static gint sort_services(gconstpointer a, gconstpointer b, gpointer user_data)
876 struct service_entry *entry_a = (void *)a;
877 struct service_entry *entry_b = (void *)b;
878 struct connman_session *session = user_data;
880 return sort_allowed_bearers(entry_a->service, entry_b->service,
884 static void free_session(struct connman_session *session)
886 destroy_policy_config(session);
887 connman_session_free_bearers(session->info->config.allowed_bearers);
888 g_free(session->owner);
889 g_free(session->session_path);
890 g_free(session->notify_path);
891 g_free(session->info);
892 g_free(session->info_last);
897 static void cleanup_session(gpointer user_data)
899 struct connman_session *session = user_data;
900 struct session_info *info = session->info;
902 DBG("remove %s", session->session_path);
904 g_hash_table_destroy(session->service_hash);
905 g_sequence_free(session->service_list);
907 if (info->entry != NULL &&
908 info->entry->reason == CONNMAN_SESSION_REASON_CONNECT) {
909 __connman_service_disconnect(info->entry->service);
912 free_session(session);
915 static enum connman_session_state service_to_session_state(enum connman_service_state state)
918 case CONNMAN_SERVICE_STATE_UNKNOWN:
919 case CONNMAN_SERVICE_STATE_IDLE:
920 case CONNMAN_SERVICE_STATE_ASSOCIATION:
921 case CONNMAN_SERVICE_STATE_CONFIGURATION:
922 case CONNMAN_SERVICE_STATE_DISCONNECT:
923 case CONNMAN_SERVICE_STATE_FAILURE:
925 case CONNMAN_SERVICE_STATE_READY:
926 return CONNMAN_SESSION_STATE_CONNECTED;
927 case CONNMAN_SERVICE_STATE_ONLINE:
928 return CONNMAN_SESSION_STATE_ONLINE;
931 return CONNMAN_SESSION_STATE_DISCONNECTED;
934 static connman_bool_t is_connected(enum connman_service_state state)
937 case CONNMAN_SERVICE_STATE_UNKNOWN:
938 case CONNMAN_SERVICE_STATE_IDLE:
939 case CONNMAN_SERVICE_STATE_ASSOCIATION:
940 case CONNMAN_SERVICE_STATE_CONFIGURATION:
941 case CONNMAN_SERVICE_STATE_DISCONNECT:
942 case CONNMAN_SERVICE_STATE_FAILURE:
944 case CONNMAN_SERVICE_STATE_READY:
945 case CONNMAN_SERVICE_STATE_ONLINE:
952 static connman_bool_t is_connecting(enum connman_service_state state)
955 case CONNMAN_SERVICE_STATE_UNKNOWN:
956 case CONNMAN_SERVICE_STATE_IDLE:
958 case CONNMAN_SERVICE_STATE_ASSOCIATION:
959 case CONNMAN_SERVICE_STATE_CONFIGURATION:
961 case CONNMAN_SERVICE_STATE_DISCONNECT:
962 case CONNMAN_SERVICE_STATE_FAILURE:
963 case CONNMAN_SERVICE_STATE_READY:
964 case CONNMAN_SERVICE_STATE_ONLINE:
971 static connman_bool_t explicit_connect(enum connman_session_reason reason)
974 case CONNMAN_SESSION_REASON_UNKNOWN:
975 case CONNMAN_SESSION_REASON_FREE_RIDE:
977 case CONNMAN_SESSION_REASON_CONNECT:
984 static connman_bool_t explicit_disconnect(struct session_info *info)
986 if (info->entry == NULL)
989 DBG("reason %s service %p state %d",
990 reason2string(info->entry->reason),
991 info->entry->service, info->entry->state);
993 if (info->entry->reason == CONNMAN_SESSION_REASON_UNKNOWN)
996 if (explicit_connect(info->entry->reason) == FALSE)
999 if (__connman_service_session_dec(info->entry->service) == FALSE)
1005 struct pending_data {
1006 unsigned int timeout;
1007 struct service_entry *entry;
1008 gboolean (*cb)(gpointer);
1011 static void pending_timeout_free(gpointer data, gpointer user_data)
1013 struct pending_data *pending = data;
1015 DBG("pending %p timeout %d", pending, pending->timeout);
1016 g_source_remove(pending->timeout);
1020 static void pending_timeout_remove_all(struct service_entry *entry)
1024 g_slist_foreach(entry->pending_timeouts, pending_timeout_free, NULL);
1025 g_slist_free(entry->pending_timeouts);
1026 entry->pending_timeouts = NULL;
1029 static gboolean pending_timeout_cb(gpointer data)
1031 struct pending_data *pending = data;
1032 struct service_entry *entry = pending->entry;
1035 DBG("pending %p timeout %d", pending, pending->timeout);
1037 ret = pending->cb(pending->entry);
1039 entry->pending_timeouts =
1040 g_slist_remove(entry->pending_timeouts,
1047 static connman_bool_t pending_timeout_add(unsigned int seconds,
1048 gboolean (*cb)(gpointer),
1049 struct service_entry *entry)
1051 struct pending_data *pending = g_try_new0(struct pending_data, 1);
1053 if (pending == NULL || cb == NULL || entry == NULL) {
1059 pending->entry = entry;
1060 pending->timeout = g_timeout_add_seconds(seconds, pending_timeout_cb,
1062 entry->pending_timeouts = g_slist_prepend(entry->pending_timeouts,
1065 DBG("pending %p entry %p timeout id %d", pending, entry,
1071 static gboolean call_disconnect(gpointer user_data)
1073 struct service_entry *entry = user_data;
1074 struct connman_service *service = entry->service;
1077 * TODO: We should mark this entry as pending work. In case
1078 * disconnect fails we just unassign this session from the
1079 * service and can't do anything later on it
1081 DBG("disconnect service %p", service);
1082 __connman_service_disconnect(service);
1087 static gboolean call_connect(gpointer user_data)
1089 struct service_entry *entry = user_data;
1090 struct connman_service *service = entry->service;
1092 DBG("connect service %p", service);
1093 __connman_service_connect(service);
1098 static void deselect_service(struct session_info *info)
1100 struct service_entry *entry;
1101 connman_bool_t disconnect, connected;
1105 if (info->entry == NULL)
1108 disconnect = explicit_disconnect(info);
1110 connected = is_connecting(info->entry->state) == TRUE ||
1111 is_connected(info->entry->state) == TRUE;
1113 info->state = CONNMAN_SESSION_STATE_DISCONNECTED;
1114 info->entry->reason = CONNMAN_SESSION_REASON_UNKNOWN;
1116 entry = info->entry;
1119 DBG("disconnect %d connected %d", disconnect, connected);
1121 if (disconnect == TRUE && connected == TRUE)
1122 pending_timeout_add(0, call_disconnect, entry);
1125 static void deselect_and_disconnect(struct connman_session *session)
1127 struct session_info *info = session->info;
1129 deselect_service(info);
1131 info->reason = CONNMAN_SESSION_REASON_FREE_RIDE;
1134 static void select_connected_service(struct session_info *info,
1135 struct service_entry *entry)
1137 enum connman_session_state state;
1139 state = service_to_session_state(entry->state);
1140 if (is_type_matching_state(&state, info->config.type) == FALSE)
1143 info->state = state;
1145 info->entry = entry;
1146 info->entry->reason = info->reason;
1148 if (explicit_connect(info->reason) == FALSE)
1151 __connman_service_session_inc(info->entry->service);
1154 static void select_offline_service(struct session_info *info,
1155 struct service_entry *entry)
1157 if (explicit_connect(info->reason) == FALSE)
1160 info->state = service_to_session_state(entry->state);
1162 info->entry = entry;
1163 info->entry->reason = info->reason;
1165 __connman_service_session_inc(info->entry->service);
1166 pending_timeout_add(0, call_connect, entry);
1169 static void select_service(struct session_info *info,
1170 struct service_entry *entry)
1172 DBG("service %p", entry->service);
1174 if (is_connected(entry->state) == TRUE)
1175 select_connected_service(info, entry);
1177 select_offline_service(info, entry);
1180 static void select_and_connect(struct connman_session *session,
1181 enum connman_session_reason reason)
1183 struct session_info *info = session->info;
1184 struct service_entry *entry = NULL;
1185 GSequenceIter *iter;
1187 DBG("session %p reason %s", session, reason2string(reason));
1189 info->reason = reason;
1191 iter = g_sequence_get_begin_iter(session->service_list);
1193 while (g_sequence_iter_is_end(iter) == FALSE) {
1194 entry = g_sequence_get(iter);
1196 switch (entry->state) {
1197 case CONNMAN_SERVICE_STATE_ASSOCIATION:
1198 case CONNMAN_SERVICE_STATE_CONFIGURATION:
1199 case CONNMAN_SERVICE_STATE_READY:
1200 case CONNMAN_SERVICE_STATE_ONLINE:
1201 case CONNMAN_SERVICE_STATE_IDLE:
1202 case CONNMAN_SERVICE_STATE_DISCONNECT:
1203 select_service(info, entry);
1205 case CONNMAN_SERVICE_STATE_UNKNOWN:
1206 case CONNMAN_SERVICE_STATE_FAILURE:
1210 iter = g_sequence_iter_next(iter);
1214 static struct service_entry *create_service_entry(struct connman_service *service,
1216 enum connman_service_state state)
1218 struct service_entry *entry;
1219 enum connman_service_type type;
1222 entry = g_try_new0(struct service_entry, 1);
1226 entry->reason = CONNMAN_SESSION_REASON_UNKNOWN;
1227 entry->state = state;
1232 entry->service = service;
1234 idx = __connman_service_get_index(entry->service);
1235 entry->ifname = connman_inet_ifname(idx);
1236 if (entry->ifname == NULL)
1237 entry->ifname = g_strdup("");
1239 type = connman_service_get_type(entry->service);
1240 entry->bearer = service2bearer(type);
1245 static void destroy_service_entry(gpointer data)
1247 struct service_entry *entry = data;
1249 pending_timeout_remove_all(entry);
1250 g_free(entry->ifname);
1255 static void populate_service_list(struct connman_session *session)
1257 struct service_entry *entry;
1258 GSequenceIter *iter;
1260 session->service_hash =
1261 g_hash_table_new_full(g_direct_hash, g_direct_equal,
1263 session->service_list = __connman_service_get_list(session,
1265 create_service_entry,
1266 destroy_service_entry);
1268 g_sequence_sort(session->service_list, sort_services, session);
1270 iter = g_sequence_get_begin_iter(session->service_list);
1272 while (g_sequence_iter_is_end(iter) == FALSE) {
1273 entry = g_sequence_get(iter);
1275 DBG("service %p type %s name %s", entry->service,
1276 service2bearer(connman_service_get_type(entry->service)),
1279 g_hash_table_replace(session->service_hash,
1280 entry->service, iter);
1282 iter = g_sequence_iter_next(iter);
1286 static void session_changed(struct connman_session *session,
1287 enum connman_session_trigger trigger)
1289 struct session_info *info = session->info;
1290 struct session_info *info_last = session->info_last;
1291 GSequenceIter *service_iter = NULL, *service_iter_last = NULL;
1292 GSequence *service_list_last;
1293 GHashTable *service_hash_last;
1296 * TODO: This only a placeholder for the 'real' algorithm to
1297 * play a bit around. So we are going to improve it step by step.
1300 DBG("session %p trigger %s reason %s", session, trigger2string(trigger),
1301 reason2string(info->reason));
1303 if (info->entry != NULL) {
1304 enum connman_session_state state;
1306 state = service_to_session_state(info->entry->state);
1308 if (is_type_matching_state(&state, info->config.type) == TRUE)
1309 info->state = state;
1313 case CONNMAN_SESSION_TRIGGER_UNKNOWN:
1314 DBG("ignore session changed event");
1316 case CONNMAN_SESSION_TRIGGER_SETTING:
1317 if (info->config.allowed_bearers != info_last->config.allowed_bearers) {
1319 service_hash_last = session->service_hash;
1320 service_list_last = session->service_list;
1322 populate_service_list(session);
1324 if (info->entry != NULL) {
1325 service_iter_last = g_hash_table_lookup(
1327 info->entry->service);
1328 service_iter = g_hash_table_lookup(
1329 session->service_hash,
1330 info->entry->service);
1333 if (service_iter == NULL && service_iter_last != NULL) {
1335 * The currently selected service is
1336 * not part of this session anymore.
1338 deselect_and_disconnect(session);
1341 g_hash_table_remove_all(service_hash_last);
1342 g_sequence_free(service_list_last);
1345 if (info->config.type != info_last->config.type) {
1346 if (info->state >= CONNMAN_SESSION_STATE_CONNECTED &&
1347 is_type_matching_state(&info->state,
1348 info->config.type) == FALSE)
1349 deselect_and_disconnect(session);
1352 if (info->state == CONNMAN_SESSION_STATE_DISCONNECTED) {
1353 select_and_connect(session,
1354 CONNMAN_SESSION_REASON_FREE_RIDE);
1358 case CONNMAN_SESSION_TRIGGER_ECALL:
1360 * For the time beeing we fallback to normal connect
1363 case CONNMAN_SESSION_TRIGGER_CONNECT:
1364 if (info->state >= CONNMAN_SESSION_STATE_CONNECTED) {
1365 if (info->entry->reason == CONNMAN_SESSION_REASON_CONNECT)
1367 info->entry->reason = CONNMAN_SESSION_REASON_CONNECT;
1368 __connman_service_session_inc(info->entry->service);
1372 if (info->entry != NULL &&
1373 is_connecting(info->entry->state) == TRUE) {
1377 select_and_connect(session,
1378 CONNMAN_SESSION_REASON_CONNECT);
1381 case CONNMAN_SESSION_TRIGGER_DISCONNECT:
1382 deselect_and_disconnect(session);
1385 case CONNMAN_SESSION_TRIGGER_SERVICE:
1386 if (info->entry != NULL &&
1387 (is_connecting(info->entry->state) == TRUE ||
1388 is_connected(info->entry->state) == TRUE)) {
1392 deselect_and_disconnect(session);
1394 if (info->reason == CONNMAN_SESSION_REASON_FREE_RIDE) {
1395 select_and_connect(session, info->reason);
1401 session_notify(session);
1404 static DBusMessage *connect_session(DBusConnection *conn,
1405 DBusMessage *msg, void *user_data)
1407 struct connman_session *session = user_data;
1409 DBG("session %p", session);
1411 if (ecall_session != NULL) {
1412 if (ecall_session->ecall == TRUE && ecall_session != session)
1413 return __connman_error_failed(msg, EBUSY);
1415 session->ecall = TRUE;
1416 session_changed(session, CONNMAN_SESSION_TRIGGER_ECALL);
1418 session_changed(session, CONNMAN_SESSION_TRIGGER_CONNECT);
1420 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
1423 static DBusMessage *disconnect_session(DBusConnection *conn,
1424 DBusMessage *msg, void *user_data)
1426 struct connman_session *session = user_data;
1428 DBG("session %p", session);
1430 if (ecall_session != NULL) {
1431 if (ecall_session->ecall == TRUE && ecall_session != session)
1432 return __connman_error_failed(msg, EBUSY);
1434 session->ecall = FALSE;
1437 session_changed(session, CONNMAN_SESSION_TRIGGER_DISCONNECT);
1439 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
1442 static DBusMessage *change_session(DBusConnection *conn,
1443 DBusMessage *msg, void *user_data)
1445 struct connman_session *session = user_data;
1446 struct session_info *info = session->info;
1447 DBusMessageIter iter, value;
1450 GSList *allowed_bearers;
1453 DBG("session %p", session);
1454 if (dbus_message_iter_init(msg, &iter) == FALSE)
1455 return __connman_error_invalid_arguments(msg);
1457 if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
1458 return __connman_error_invalid_arguments(msg);
1460 dbus_message_iter_get_basic(&iter, &name);
1461 dbus_message_iter_next(&iter);
1463 if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
1464 return __connman_error_invalid_arguments(msg);
1466 dbus_message_iter_recurse(&iter, &value);
1468 switch (dbus_message_iter_get_arg_type(&value)) {
1469 case DBUS_TYPE_ARRAY:
1470 if (g_str_equal(name, "AllowedBearers") == TRUE) {
1471 err = parse_bearers(&value, &allowed_bearers);
1473 return __connman_error_failed(msg, err);
1475 connman_session_free_bearers(info->config.allowed_bearers);
1476 err = apply_policy_on_bearers(
1477 session->policy_config->allowed_bearers,
1479 &info->config.allowed_bearers);
1481 connman_session_free_bearers(allowed_bearers);
1483 return __connman_error_failed(msg, err);
1488 case DBUS_TYPE_STRING:
1489 if (g_str_equal(name, "ConnectionType") == TRUE) {
1490 dbus_message_iter_get_basic(&value, &val);
1491 info->config.type = apply_policy_on_type(
1492 session->policy_config->type,
1502 session_changed(session, CONNMAN_SESSION_TRIGGER_SETTING);
1504 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
1507 return __connman_error_invalid_arguments(msg);
1510 static void release_session(gpointer key, gpointer value, gpointer user_data)
1512 struct connman_session *session = value;
1513 DBusMessage *message;
1515 DBG("owner %s path %s", session->owner, session->notify_path);
1517 if (session->notify_watch > 0)
1518 g_dbus_remove_watch(connection, session->notify_watch);
1520 g_dbus_unregister_interface(connection, session->session_path,
1521 CONNMAN_SESSION_INTERFACE);
1523 message = dbus_message_new_method_call(session->owner,
1524 session->notify_path,
1525 CONNMAN_NOTIFICATION_INTERFACE,
1527 if (message == NULL)
1530 dbus_message_set_no_reply(message, TRUE);
1532 g_dbus_send_message(connection, message);
1535 static int session_disconnect(struct connman_session *session)
1537 DBG("session %p, %s", session, session->owner);
1539 if (session->notify_watch > 0)
1540 g_dbus_remove_watch(connection, session->notify_watch);
1542 g_dbus_unregister_interface(connection, session->session_path,
1543 CONNMAN_SESSION_INTERFACE);
1545 deselect_and_disconnect(session);
1547 g_hash_table_remove(session_hash, session->session_path);
1552 static void owner_disconnect(DBusConnection *conn, void *user_data)
1554 struct connman_session *session = user_data;
1556 DBG("session %p, %s died", session, session->owner);
1558 session_disconnect(session);
1561 static DBusMessage *destroy_session(DBusConnection *conn,
1562 DBusMessage *msg, void *user_data)
1564 struct connman_session *session = user_data;
1566 DBG("session %p", session);
1568 if (ecall_session != NULL && ecall_session != session)
1569 return __connman_error_failed(msg, EBUSY);
1571 session_disconnect(session);
1573 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
1576 static const GDBusMethodTable session_methods[] = {
1577 { GDBUS_METHOD("Destroy", NULL, NULL, destroy_session) },
1578 { GDBUS_METHOD("Connect", NULL, NULL, connect_session) },
1579 { GDBUS_METHOD("Disconnect", NULL, NULL,
1580 disconnect_session ) },
1581 { GDBUS_METHOD("Change",
1582 GDBUS_ARGS({ "name", "s" }, { "value", "v" }),
1583 NULL, change_session) },
1587 static void session_create_cb(struct connman_session *session,
1588 struct connman_session_config *config,
1589 void *user_data, int err)
1591 DBG("session %p config %p", session, config);
1596 session->policy_config = config;
1599 int __connman_session_create(DBusMessage *msg)
1601 const char *owner, *notify_path;
1602 char *session_path = NULL;
1603 DBusMessageIter iter, array;
1604 struct connman_session *session = NULL;
1605 struct session_info *info, *info_last;
1606 enum connman_session_type type = CONNMAN_SESSION_TYPE_ANY;
1607 GSList *allowed_bearers = NULL;
1608 connman_bool_t allowed_bearers_valid = FALSE;
1609 connman_bool_t type_valid = FALSE;
1612 owner = dbus_message_get_sender(msg);
1614 DBG("owner %s", owner);
1616 if (ecall_session != NULL && ecall_session->ecall == TRUE) {
1618 * If there is an emergency call already going on,
1619 * ignore session creation attempt
1625 dbus_message_iter_init(msg, &iter);
1626 dbus_message_iter_recurse(&iter, &array);
1628 while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
1629 DBusMessageIter entry, value;
1630 const char *key, *val;
1632 dbus_message_iter_recurse(&array, &entry);
1633 dbus_message_iter_get_basic(&entry, &key);
1635 dbus_message_iter_next(&entry);
1636 dbus_message_iter_recurse(&entry, &value);
1638 switch (dbus_message_iter_get_arg_type(&value)) {
1639 case DBUS_TYPE_ARRAY:
1640 if (g_str_equal(key, "AllowedBearers") == TRUE) {
1641 err = parse_bearers(&value, &allowed_bearers);
1645 allowed_bearers_valid = TRUE;
1650 case DBUS_TYPE_STRING:
1651 if (g_str_equal(key, "ConnectionType") == TRUE) {
1652 dbus_message_iter_get_basic(&value, &val);
1653 type = string2type(val);
1659 dbus_message_iter_next(&array);
1662 dbus_message_iter_next(&iter);
1663 dbus_message_iter_get_basic(&iter, ¬ify_path);
1665 if (notify_path == NULL) {
1670 session_path = g_strdup_printf("/sessions%s", notify_path);
1671 if (session_path == NULL) {
1676 session = g_hash_table_lookup(session_hash, session_path);
1677 if (session != NULL) {
1683 session = g_try_new0(struct connman_session, 1);
1684 if (session == NULL) {
1689 session->info = g_try_new0(struct session_info, 1);
1690 if (session->info == NULL) {
1695 session->info_last = g_try_new0(struct session_info, 1);
1696 if (session->info_last == NULL) {
1701 info = session->info;
1702 info_last = session->info_last;
1704 session->owner = g_strdup(owner);
1705 session->session_path = session_path;
1706 session->notify_path = g_strdup(notify_path);
1707 session->notify_watch =
1708 g_dbus_add_disconnect_watch(connection, session->owner,
1709 owner_disconnect, session, NULL);
1711 err = assign_policy_plugin(session);
1714 err = create_policy_config(session, session_create_cb, NULL);
1718 if (session->policy_config->ecall == TRUE)
1719 ecall_session = session;
1721 info->state = CONNMAN_SESSION_STATE_DISCONNECTED;
1722 if (type_valid == FALSE)
1723 type = CONNMAN_SESSION_TYPE_ANY;
1724 info->config.type = apply_policy_on_type(
1725 session->policy_config->type,
1727 info->config.priority = session->policy_config->priority;
1728 info->config.roaming_policy = session->policy_config->roaming_policy;
1731 if (allowed_bearers_valid == FALSE) {
1732 allowed_bearers = connman_session_allowed_bearers_any();
1733 if (allowed_bearers == NULL) {
1739 err = apply_policy_on_bearers(
1740 session->policy_config->allowed_bearers,
1742 &info->config.allowed_bearers);
1746 g_hash_table_replace(session_hash, session->session_path, session);
1748 DBG("add %s", session->session_path);
1750 if (g_dbus_register_interface(connection, session->session_path,
1751 CONNMAN_SESSION_INTERFACE,
1752 session_methods, NULL,
1753 NULL, session, NULL) == FALSE) {
1754 connman_error("Failed to register %s", session->session_path);
1755 g_hash_table_remove(session_hash, session->session_path);
1762 g_dbus_send_reply(connection, msg,
1763 DBUS_TYPE_OBJECT_PATH, &session->session_path,
1767 populate_service_list(session);
1769 info_last->state = info->state;
1770 info_last->config.priority = info->config.priority;
1771 info_last->config.roaming_policy = info->config.roaming_policy;
1772 info_last->entry = info->entry;
1773 info_last->config.allowed_bearers = info->config.allowed_bearers;
1775 session->append_all = TRUE;
1777 session_changed(session, CONNMAN_SESSION_TRIGGER_SETTING);
1782 connman_error("Failed to create session");
1784 if (session != NULL) {
1785 if (session->info_last != NULL)
1786 g_free(session->info_last);
1787 if (session->info != NULL)
1788 g_free(session->info);
1792 g_free(session_path);
1794 connman_session_free_bearers(allowed_bearers);
1799 int __connman_session_destroy(DBusMessage *msg)
1801 const char *owner, *session_path;
1802 struct connman_session *session;
1804 owner = dbus_message_get_sender(msg);
1806 DBG("owner %s", owner);
1808 dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &session_path,
1810 if (session_path == NULL)
1813 session = g_hash_table_lookup(session_hash, session_path);
1814 if (session == NULL)
1817 if (g_strcmp0(owner, session->owner) != 0)
1820 session_disconnect(session);
1825 connman_bool_t __connman_session_mode()
1830 void __connman_session_set_mode(connman_bool_t enable)
1832 DBG("enable %d", enable);
1834 if (sessionmode != enable) {
1835 sessionmode = enable;
1837 connman_dbus_property_changed_basic(CONNMAN_MANAGER_PATH,
1838 CONNMAN_MANAGER_INTERFACE, "SessionMode",
1839 DBUS_TYPE_BOOLEAN, &sessionmode);
1842 if (sessionmode == TRUE)
1843 __connman_service_disconnect_all();
1846 static void service_add(struct connman_service *service,
1849 GHashTableIter iter;
1850 GSequenceIter *iter_service_list;
1851 gpointer key, value;
1852 struct connman_session *session;
1853 struct service_entry *entry;
1855 DBG("service %p", service);
1857 g_hash_table_iter_init(&iter, session_hash);
1859 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1862 if (service_match(session, service) == FALSE)
1865 entry = create_service_entry(service, name,
1866 CONNMAN_SERVICE_STATE_IDLE);
1871 g_sequence_insert_sorted(session->service_list,
1872 entry, sort_services,
1875 g_hash_table_replace(session->service_hash, service,
1878 session_changed(session, CONNMAN_SESSION_TRIGGER_SERVICE);
1882 static void service_remove(struct connman_service *service)
1885 GHashTableIter iter;
1886 gpointer key, value;
1887 struct connman_session *session;
1888 struct session_info *info;
1890 DBG("service %p", service);
1892 g_hash_table_iter_init(&iter, session_hash);
1894 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1895 GSequenceIter *seq_iter;
1897 info = session->info;
1899 seq_iter = g_hash_table_lookup(session->service_hash, service);
1900 if (seq_iter == NULL)
1903 g_sequence_remove(seq_iter);
1905 if (info->entry != NULL && info->entry->service == service)
1907 session_changed(session, CONNMAN_SESSION_TRIGGER_SERVICE);
1911 static void service_state_changed(struct connman_service *service,
1912 enum connman_service_state state)
1914 GHashTableIter iter;
1915 gpointer key, value;
1917 DBG("service %p state %d", service, state);
1919 g_hash_table_iter_init(&iter, session_hash);
1921 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1922 struct connman_session *session = value;
1923 GSequenceIter *service_iter;
1925 service_iter = g_hash_table_lookup(session->service_hash, service);
1926 if (service_iter != NULL) {
1927 struct service_entry *entry;
1929 entry = g_sequence_get(service_iter);
1930 entry->state = state;
1933 session_changed(session,
1934 CONNMAN_SESSION_TRIGGER_SERVICE);
1938 static void ipconfig_changed(struct connman_service *service,
1939 struct connman_ipconfig *ipconfig)
1941 GHashTableIter iter;
1942 gpointer key, value;
1943 struct connman_session *session;
1944 struct session_info *info;
1945 enum connman_ipconfig_type type;
1947 DBG("service %p ipconfig %p", service, ipconfig);
1949 type = __connman_ipconfig_get_config_type(ipconfig);
1951 g_hash_table_iter_init(&iter, session_hash);
1953 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1955 info = session->info;
1957 if (info->state == CONNMAN_SESSION_STATE_DISCONNECTED)
1960 if (info->entry != NULL && info->entry->service == service) {
1961 if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1962 ipconfig_ipv4_changed(session);
1963 else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1964 ipconfig_ipv6_changed(session);
1969 static struct connman_notifier session_notifier = {
1971 .service_add = service_add,
1972 .service_remove = service_remove,
1973 .service_state_changed = service_state_changed,
1974 .ipconfig_changed = ipconfig_changed,
1977 int __connman_session_init(void)
1983 connection = connman_dbus_get_connection();
1984 if (connection == NULL)
1987 err = connman_notifier_register(&session_notifier);
1989 dbus_connection_unref(connection);
1993 session_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1994 NULL, cleanup_session);
1996 sessionmode = FALSE;
2000 void __connman_session_cleanup(void)
2004 if (connection == NULL)
2007 connman_notifier_unregister(&session_notifier);
2009 g_hash_table_foreach(session_hash, release_session, NULL);
2010 g_hash_table_destroy(session_hash);
2011 session_hash = NULL;
2013 dbus_connection_unref(connection);