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_ANY:
152 case CONNMAN_SESSION_TYPE_LOCAL:
154 case CONNMAN_SESSION_TYPE_INTERNET:
161 static enum connman_session_type string2type(const char *type)
163 if (g_strcmp0(type, "local") == 0)
164 return CONNMAN_SESSION_TYPE_LOCAL;
165 else if (g_strcmp0(type, "internet") == 0)
166 return CONNMAN_SESSION_TYPE_INTERNET;
168 return CONNMAN_SESSION_TYPE_ANY;
171 static enum connman_service_type bearer2service(const char *bearer)
174 return CONNMAN_SERVICE_TYPE_UNKNOWN;
176 if (g_strcmp0(bearer, "ethernet") == 0)
177 return CONNMAN_SERVICE_TYPE_ETHERNET;
178 else if (g_strcmp0(bearer, "wifi") == 0)
179 return CONNMAN_SERVICE_TYPE_WIFI;
180 else if (g_strcmp0(bearer, "wimax") == 0)
181 return CONNMAN_SERVICE_TYPE_WIMAX;
182 else if (g_strcmp0(bearer, "bluetooth") == 0)
183 return CONNMAN_SERVICE_TYPE_BLUETOOTH;
184 else if (g_strcmp0(bearer, "cellular") == 0)
185 return CONNMAN_SERVICE_TYPE_CELLULAR;
186 else if (g_strcmp0(bearer, "vpn") == 0)
187 return CONNMAN_SERVICE_TYPE_VPN;
189 return CONNMAN_SERVICE_TYPE_UNKNOWN;
192 static char *service2bearer(enum connman_service_type type)
195 case CONNMAN_SERVICE_TYPE_ETHERNET:
197 case CONNMAN_SERVICE_TYPE_WIFI:
199 case CONNMAN_SERVICE_TYPE_WIMAX:
201 case CONNMAN_SERVICE_TYPE_BLUETOOTH:
203 case CONNMAN_SERVICE_TYPE_CELLULAR:
205 case CONNMAN_SERVICE_TYPE_VPN:
207 case CONNMAN_SERVICE_TYPE_UNKNOWN:
208 case CONNMAN_SERVICE_TYPE_SYSTEM:
209 case CONNMAN_SERVICE_TYPE_GPS:
210 case CONNMAN_SERVICE_TYPE_GADGET:
217 static int assign_policy_plugin(struct connman_session *session)
220 struct connman_session_policy *policy;
222 if (session->policy != NULL)
225 for (list = policy_list; list != NULL; list = list->next) {
228 session->policy = policy;
235 static int create_policy_config(struct connman_session *session)
237 struct connman_session_config *config;
239 config = (*session->policy->create)(session);
243 session->policy_config = config;
248 static void destroy_policy_config(struct connman_session *session)
250 (*session->policy->destroy)(session);
253 static void probe_policy(struct connman_session_policy *policy)
258 struct connman_session *session;
260 DBG("policy %p name %s", policy, policy->name);
262 g_hash_table_iter_init(&iter, session_hash);
264 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
267 if (session->policy != NULL)
270 assign_policy_plugin(session);
274 static void remove_policy(struct connman_session_policy *policy)
278 struct connman_session *session;
280 DBG("policy %p name %s", policy, policy->name);
282 g_hash_table_iter_init(&iter, session_hash);
284 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
287 if (session->policy != policy)
290 session->policy = NULL;
291 assign_policy_plugin(session);
295 static gint compare_priority(gconstpointer a, gconstpointer b)
297 const struct connman_session_policy *policy1 = a;
298 const struct connman_session_policy *policy2 = b;
300 return policy2->priority - policy1->priority;
304 int connman_session_policy_register(struct connman_session_policy *policy)
306 DBG("name %s", policy->name);
308 policy_list = g_slist_insert_sorted(policy_list, policy,
311 probe_policy(policy);
316 void connman_session_policy_unregister(struct connman_session_policy *policy)
318 DBG("name %s", policy->name);
320 policy_list = g_slist_remove(policy_list, policy);
322 remove_policy(policy);
325 static void cleanup_bearer(gpointer data)
327 struct connman_session_bearer *bearer = data;
329 g_free(bearer->name);
333 void connman_session_free_bearers(GSList *bearers)
335 g_slist_free_full(bearers, cleanup_bearer);
338 static GSList *session_parse_allowed_bearers(DBusMessageIter *iter)
340 struct connman_session_bearer *bearer;
341 DBusMessageIter array;
344 dbus_message_iter_recurse(iter, &array);
346 while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_STRING) {
347 char *bearer_name = NULL;
349 dbus_message_iter_get_basic(&array, &bearer_name);
351 bearer = g_try_new0(struct connman_session_bearer, 1);
352 if (bearer == NULL) {
353 connman_session_free_bearers(list);
357 bearer->name = g_strdup(bearer_name);
358 bearer->service_type = bearer2service(bearer->name);
360 if (bearer->service_type == CONNMAN_SERVICE_TYPE_UNKNOWN &&
361 g_strcmp0(bearer->name, "*") == 0) {
362 bearer->match_all = TRUE;
364 bearer->match_all = FALSE;
367 list = g_slist_append(list, bearer);
369 dbus_message_iter_next(&array);
375 GSList *connman_session_allowed_bearers_any(void)
377 struct connman_session_bearer *bearer;
380 bearer = g_try_new0(struct connman_session_bearer, 1);
384 bearer->name = g_strdup("");
385 bearer->match_all = TRUE;
386 bearer->service_type = CONNMAN_SERVICE_TYPE_UNKNOWN;
388 list = g_slist_append(list, bearer);
393 static void append_allowed_bearers(DBusMessageIter *iter, void *user_data)
395 struct session_info *info = user_data;
398 for (list = info->config.allowed_bearers;
399 list != NULL; list = list->next) {
400 struct connman_session_bearer *bearer = list->data;
402 dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING,
407 static void append_ipconfig_ipv4(DBusMessageIter *iter, void *user_data)
409 struct connman_service *service = user_data;
410 struct connman_ipconfig *ipconfig_ipv4;
415 if (__connman_service_is_connected_state(service,
416 CONNMAN_IPCONFIG_TYPE_IPV4) == FALSE) {
420 ipconfig_ipv4 = __connman_service_get_ip4config(service);
421 if (ipconfig_ipv4 == NULL)
424 __connman_ipconfig_append_ipv4(ipconfig_ipv4, iter);
427 static void append_ipconfig_ipv6(DBusMessageIter *iter, void *user_data)
429 struct connman_service *service = user_data;
430 struct connman_ipconfig *ipconfig_ipv4, *ipconfig_ipv6;
435 if (__connman_service_is_connected_state(service,
436 CONNMAN_IPCONFIG_TYPE_IPV6) == FALSE) {
440 ipconfig_ipv4 = __connman_service_get_ip4config(service);
441 ipconfig_ipv6 = __connman_service_get_ip6config(service);
442 if (ipconfig_ipv6 == NULL)
445 __connman_ipconfig_append_ipv6(ipconfig_ipv6, iter, ipconfig_ipv4);
448 static void append_notify(DBusMessageIter *dict,
449 struct connman_session *session)
451 struct session_info *info = session->info;
452 struct session_info *info_last = session->info_last;
453 struct connman_service *service;
454 const char *name, *ifname, *bearer;
456 if (session->append_all == TRUE ||
457 info->state != info_last->state) {
458 const char *state = state2string(info->state);
460 connman_dbus_dict_append_basic(dict, "State",
463 info_last->state = info->state;
466 if (session->append_all == TRUE ||
467 info->entry != info_last->entry) {
468 if (info->entry == NULL) {
474 name = info->entry->name;
475 ifname = info->entry->ifname;
476 service = info->entry->service;
477 bearer = info->entry->bearer;
480 connman_dbus_dict_append_basic(dict, "Name",
484 connman_dbus_dict_append_dict(dict, "IPv4",
485 append_ipconfig_ipv4,
488 connman_dbus_dict_append_dict(dict, "IPv6",
489 append_ipconfig_ipv6,
492 connman_dbus_dict_append_basic(dict, "Interface",
496 connman_dbus_dict_append_basic(dict, "Bearer",
500 info_last->entry = info->entry;
503 if (session->append_all == TRUE ||
504 info->config.type != info_last->config.type) {
505 const char *type = type2string(info->config.type);
507 connman_dbus_dict_append_basic(dict, "ConnectionType",
510 info_last->config.type = info->config.type;
513 if (session->append_all == TRUE ||
514 info->config.allowed_bearers != info_last->config.allowed_bearers) {
515 connman_dbus_dict_append_array(dict, "AllowedBearers",
517 append_allowed_bearers,
519 info_last->config.allowed_bearers = info->config.allowed_bearers;
522 session->append_all = FALSE;
525 static connman_bool_t is_type_matching_state(enum connman_session_state *state,
526 enum connman_session_type type)
529 case CONNMAN_SESSION_TYPE_ANY:
531 case CONNMAN_SESSION_TYPE_LOCAL:
532 if (*state >= CONNMAN_SESSION_STATE_CONNECTED) {
533 *state = CONNMAN_SESSION_STATE_CONNECTED;
538 case CONNMAN_SESSION_TYPE_INTERNET:
539 if (*state == CONNMAN_SESSION_STATE_ONLINE)
547 static connman_bool_t compute_notifiable_changes(struct connman_session *session)
549 struct session_info *info_last = session->info_last;
550 struct session_info *info = session->info;
552 if (session->append_all == TRUE)
555 if (info->state != info_last->state)
558 if (info->entry != info_last->entry &&
559 info->state >= CONNMAN_SESSION_STATE_CONNECTED)
562 if (info->config.allowed_bearers != info_last->config.allowed_bearers ||
563 info->config.type != info_last->config.type)
569 static gboolean session_notify(gpointer user_data)
571 struct connman_session *session = user_data;
573 DBusMessageIter array, dict;
575 if (compute_notifiable_changes(session) == FALSE)
578 DBG("session %p owner %s notify_path %s", session,
579 session->owner, session->notify_path);
581 msg = dbus_message_new_method_call(session->owner, session->notify_path,
582 CONNMAN_NOTIFICATION_INTERFACE,
587 dbus_message_iter_init_append(msg, &array);
588 connman_dbus_dict_open(&array, &dict);
590 append_notify(&dict, session);
592 connman_dbus_dict_close(&array, &dict);
594 g_dbus_send_message(connection, msg);
599 static void ipconfig_ipv4_changed(struct connman_session *session)
601 struct session_info *info = session->info;
603 connman_dbus_setting_changed_dict(session->owner, session->notify_path,
604 "IPv4", append_ipconfig_ipv4,
605 info->entry->service);
608 static void ipconfig_ipv6_changed(struct connman_session *session)
610 struct session_info *info = session->info;
612 connman_dbus_setting_changed_dict(session->owner, session->notify_path,
613 "IPv6", append_ipconfig_ipv6,
614 info->entry->service);
617 static connman_bool_t service_type_match(struct connman_session *session,
618 struct connman_service *service)
620 struct session_info *info = session->info;
623 for (list = info->config.allowed_bearers;
624 list != NULL; list = list->next) {
625 struct connman_session_bearer *bearer = list->data;
626 enum connman_service_type service_type;
628 if (bearer->match_all == TRUE)
631 service_type = connman_service_get_type(service);
632 if (bearer->service_type == service_type)
639 static connman_bool_t service_match(struct connman_session *session,
640 struct connman_service *service)
642 if (service_type_match(session, service) == FALSE)
648 static int service_type_weight(enum connman_service_type type)
651 * The session doesn't care which service
652 * to use. Nevertheless we have to sort them
653 * according their type. The ordering is
662 case CONNMAN_SERVICE_TYPE_ETHERNET:
664 case CONNMAN_SERVICE_TYPE_BLUETOOTH:
666 case CONNMAN_SERVICE_TYPE_WIFI:
667 case CONNMAN_SERVICE_TYPE_WIMAX:
669 case CONNMAN_SERVICE_TYPE_CELLULAR:
671 case CONNMAN_SERVICE_TYPE_UNKNOWN:
672 case CONNMAN_SERVICE_TYPE_SYSTEM:
673 case CONNMAN_SERVICE_TYPE_GPS:
674 case CONNMAN_SERVICE_TYPE_VPN:
675 case CONNMAN_SERVICE_TYPE_GADGET:
682 static gint sort_allowed_bearers(struct connman_service *service_a,
683 struct connman_service *service_b,
684 struct connman_session *session)
686 struct session_info *info = session->info;
688 enum connman_service_type type_a, type_b;
689 int weight_a, weight_b;
691 type_a = connman_service_get_type(service_a);
692 type_b = connman_service_get_type(service_b);
694 for (list = info->config.allowed_bearers;
695 list != NULL; list = list->next) {
696 struct connman_session_bearer *bearer = list->data;
698 if (bearer->match_all == TRUE) {
699 if (type_a != type_b) {
700 weight_a = service_type_weight(type_a);
701 weight_b = service_type_weight(type_b);
703 if (weight_a > weight_b)
706 if (weight_a < weight_b)
713 if (type_a == bearer->service_type &&
714 type_b == bearer->service_type) {
718 if (type_a == bearer->service_type &&
719 type_b != bearer->service_type) {
723 if (type_a != bearer->service_type &&
724 type_b == bearer->service_type) {
732 static gint sort_services(gconstpointer a, gconstpointer b, gpointer user_data)
734 struct service_entry *entry_a = (void *)a;
735 struct service_entry *entry_b = (void *)b;
736 struct connman_session *session = user_data;
738 return sort_allowed_bearers(entry_a->service, entry_b->service,
742 static void cleanup_session(gpointer user_data)
744 struct connman_session *session = user_data;
745 struct session_info *info = session->info;
747 DBG("remove %s", session->session_path);
749 g_hash_table_destroy(session->service_hash);
750 g_sequence_free(session->service_list);
752 if (info->entry != NULL &&
753 info->entry->reason == CONNMAN_SESSION_REASON_CONNECT) {
754 __connman_service_disconnect(info->entry->service);
757 destroy_policy_config(session);
758 connman_session_free_bearers(session->info->config.allowed_bearers);
759 g_free(session->owner);
760 g_free(session->session_path);
761 g_free(session->notify_path);
762 g_free(session->info);
763 g_free(session->info_last);
768 static enum connman_session_state service_to_session_state(enum connman_service_state state)
771 case CONNMAN_SERVICE_STATE_UNKNOWN:
772 case CONNMAN_SERVICE_STATE_IDLE:
773 case CONNMAN_SERVICE_STATE_ASSOCIATION:
774 case CONNMAN_SERVICE_STATE_CONFIGURATION:
775 case CONNMAN_SERVICE_STATE_DISCONNECT:
776 case CONNMAN_SERVICE_STATE_FAILURE:
778 case CONNMAN_SERVICE_STATE_READY:
779 return CONNMAN_SESSION_STATE_CONNECTED;
780 case CONNMAN_SERVICE_STATE_ONLINE:
781 return CONNMAN_SESSION_STATE_ONLINE;
784 return CONNMAN_SESSION_STATE_DISCONNECTED;
787 static connman_bool_t is_connected(enum connman_service_state state)
790 case CONNMAN_SERVICE_STATE_UNKNOWN:
791 case CONNMAN_SERVICE_STATE_IDLE:
792 case CONNMAN_SERVICE_STATE_ASSOCIATION:
793 case CONNMAN_SERVICE_STATE_CONFIGURATION:
794 case CONNMAN_SERVICE_STATE_DISCONNECT:
795 case CONNMAN_SERVICE_STATE_FAILURE:
797 case CONNMAN_SERVICE_STATE_READY:
798 case CONNMAN_SERVICE_STATE_ONLINE:
805 static connman_bool_t is_connecting(enum connman_service_state state)
808 case CONNMAN_SERVICE_STATE_UNKNOWN:
809 case CONNMAN_SERVICE_STATE_IDLE:
811 case CONNMAN_SERVICE_STATE_ASSOCIATION:
812 case CONNMAN_SERVICE_STATE_CONFIGURATION:
814 case CONNMAN_SERVICE_STATE_DISCONNECT:
815 case CONNMAN_SERVICE_STATE_FAILURE:
816 case CONNMAN_SERVICE_STATE_READY:
817 case CONNMAN_SERVICE_STATE_ONLINE:
824 static connman_bool_t explicit_connect(enum connman_session_reason reason)
827 case CONNMAN_SESSION_REASON_UNKNOWN:
828 case CONNMAN_SESSION_REASON_FREE_RIDE:
830 case CONNMAN_SESSION_REASON_CONNECT:
837 static connman_bool_t explicit_disconnect(struct session_info *info)
839 if (info->entry == NULL)
842 DBG("reason %s service %p state %d",
843 reason2string(info->entry->reason),
844 info->entry->service, info->entry->state);
846 if (info->entry->reason == CONNMAN_SESSION_REASON_UNKNOWN)
849 if (explicit_connect(info->entry->reason) == FALSE)
852 if (__connman_service_session_dec(info->entry->service) == FALSE)
858 struct pending_data {
859 unsigned int timeout;
860 struct service_entry *entry;
861 gboolean (*cb)(gpointer);
864 static void pending_timeout_free(gpointer data, gpointer user_data)
866 struct pending_data *pending = data;
868 DBG("pending %p timeout %d", pending, pending->timeout);
869 g_source_remove(pending->timeout);
873 static void pending_timeout_remove_all(struct service_entry *entry)
877 g_slist_foreach(entry->pending_timeouts, pending_timeout_free, NULL);
878 g_slist_free(entry->pending_timeouts);
879 entry->pending_timeouts = NULL;
882 static gboolean pending_timeout_cb(gpointer data)
884 struct pending_data *pending = data;
885 struct service_entry *entry = pending->entry;
888 DBG("pending %p timeout %d", pending, pending->timeout);
890 ret = pending->cb(pending->entry);
892 entry->pending_timeouts =
893 g_slist_remove(entry->pending_timeouts,
900 static connman_bool_t pending_timeout_add(unsigned int seconds,
901 gboolean (*cb)(gpointer),
902 struct service_entry *entry)
904 struct pending_data *pending = g_try_new0(struct pending_data, 1);
906 if (pending == NULL || cb == NULL || entry == NULL) {
912 pending->entry = entry;
913 pending->timeout = g_timeout_add_seconds(seconds, pending_timeout_cb,
915 entry->pending_timeouts = g_slist_prepend(entry->pending_timeouts,
918 DBG("pending %p entry %p timeout id %d", pending, entry,
924 static gboolean call_disconnect(gpointer user_data)
926 struct service_entry *entry = user_data;
927 struct connman_service *service = entry->service;
930 * TODO: We should mark this entry as pending work. In case
931 * disconnect fails we just unassign this session from the
932 * service and can't do anything later on it
934 DBG("disconnect service %p", service);
935 __connman_service_disconnect(service);
940 static gboolean call_connect(gpointer user_data)
942 struct service_entry *entry = user_data;
943 struct connman_service *service = entry->service;
945 DBG("connect service %p", service);
946 __connman_service_connect(service);
951 static void deselect_service(struct session_info *info)
953 struct service_entry *entry;
954 connman_bool_t disconnect, connected;
958 if (info->entry == NULL)
961 disconnect = explicit_disconnect(info);
963 connected = is_connecting(info->entry->state) == TRUE ||
964 is_connected(info->entry->state) == TRUE;
966 info->state = CONNMAN_SESSION_STATE_DISCONNECTED;
967 info->entry->reason = CONNMAN_SESSION_REASON_UNKNOWN;
972 DBG("disconnect %d connected %d", disconnect, connected);
974 if (disconnect == TRUE && connected == TRUE)
975 pending_timeout_add(0, call_disconnect, entry);
978 static void deselect_and_disconnect(struct connman_session *session)
980 struct session_info *info = session->info;
982 deselect_service(info);
984 info->reason = CONNMAN_SESSION_REASON_FREE_RIDE;
987 static void select_connected_service(struct session_info *info,
988 struct service_entry *entry)
990 enum connman_session_state state;
992 state = service_to_session_state(entry->state);
993 if (is_type_matching_state(&state, info->config.type) == FALSE)
999 info->entry->reason = info->reason;
1001 if (explicit_connect(info->reason) == FALSE)
1004 __connman_service_session_inc(info->entry->service);
1007 static void select_offline_service(struct session_info *info,
1008 struct service_entry *entry)
1010 if (explicit_connect(info->reason) == FALSE)
1013 info->state = service_to_session_state(entry->state);
1015 info->entry = entry;
1016 info->entry->reason = info->reason;
1018 __connman_service_session_inc(info->entry->service);
1019 pending_timeout_add(0, call_connect, entry);
1022 static void select_service(struct session_info *info,
1023 struct service_entry *entry)
1025 DBG("service %p", entry->service);
1027 if (is_connected(entry->state) == TRUE)
1028 select_connected_service(info, entry);
1030 select_offline_service(info, entry);
1033 static void select_and_connect(struct connman_session *session,
1034 enum connman_session_reason reason)
1036 struct session_info *info = session->info;
1037 struct service_entry *entry = NULL;
1038 GSequenceIter *iter;
1040 DBG("session %p reason %s", session, reason2string(reason));
1042 info->reason = reason;
1044 iter = g_sequence_get_begin_iter(session->service_list);
1046 while (g_sequence_iter_is_end(iter) == FALSE) {
1047 entry = g_sequence_get(iter);
1049 switch (entry->state) {
1050 case CONNMAN_SERVICE_STATE_ASSOCIATION:
1051 case CONNMAN_SERVICE_STATE_CONFIGURATION:
1052 case CONNMAN_SERVICE_STATE_READY:
1053 case CONNMAN_SERVICE_STATE_ONLINE:
1054 case CONNMAN_SERVICE_STATE_IDLE:
1055 case CONNMAN_SERVICE_STATE_DISCONNECT:
1056 select_service(info, entry);
1058 case CONNMAN_SERVICE_STATE_UNKNOWN:
1059 case CONNMAN_SERVICE_STATE_FAILURE:
1063 iter = g_sequence_iter_next(iter);
1067 static struct service_entry *create_service_entry(struct connman_service *service,
1069 enum connman_service_state state)
1071 struct service_entry *entry;
1072 enum connman_service_type type;
1075 entry = g_try_new0(struct service_entry, 1);
1079 entry->reason = CONNMAN_SESSION_REASON_UNKNOWN;
1080 entry->state = state;
1085 entry->service = service;
1087 idx = __connman_service_get_index(entry->service);
1088 entry->ifname = connman_inet_ifname(idx);
1089 if (entry->ifname == NULL)
1090 entry->ifname = g_strdup("");
1092 type = connman_service_get_type(entry->service);
1093 entry->bearer = service2bearer(type);
1098 static void destroy_service_entry(gpointer data)
1100 struct service_entry *entry = data;
1102 pending_timeout_remove_all(entry);
1103 g_free(entry->ifname);
1108 static void populate_service_list(struct connman_session *session)
1110 struct service_entry *entry;
1111 GSequenceIter *iter;
1113 session->service_hash =
1114 g_hash_table_new_full(g_direct_hash, g_direct_equal,
1116 session->service_list = __connman_service_get_list(session,
1118 create_service_entry,
1119 destroy_service_entry);
1121 g_sequence_sort(session->service_list, sort_services, session);
1123 iter = g_sequence_get_begin_iter(session->service_list);
1125 while (g_sequence_iter_is_end(iter) == FALSE) {
1126 entry = g_sequence_get(iter);
1128 DBG("service %p type %s name %s", entry->service,
1129 service2bearer(connman_service_get_type(entry->service)),
1132 g_hash_table_replace(session->service_hash,
1133 entry->service, iter);
1135 iter = g_sequence_iter_next(iter);
1139 static void session_changed(struct connman_session *session,
1140 enum connman_session_trigger trigger)
1142 struct session_info *info = session->info;
1143 struct session_info *info_last = session->info_last;
1144 GSequenceIter *service_iter = NULL, *service_iter_last = NULL;
1145 GSequence *service_list_last;
1146 GHashTable *service_hash_last;
1149 * TODO: This only a placeholder for the 'real' algorithm to
1150 * play a bit around. So we are going to improve it step by step.
1153 DBG("session %p trigger %s reason %s", session, trigger2string(trigger),
1154 reason2string(info->reason));
1156 if (info->entry != NULL) {
1157 enum connman_session_state state;
1159 state = service_to_session_state(info->entry->state);
1161 if (is_type_matching_state(&state, info->config.type) == TRUE)
1162 info->state = state;
1166 case CONNMAN_SESSION_TRIGGER_UNKNOWN:
1167 DBG("ignore session changed event");
1169 case CONNMAN_SESSION_TRIGGER_SETTING:
1170 if (info->config.allowed_bearers != info_last->config.allowed_bearers) {
1172 service_hash_last = session->service_hash;
1173 service_list_last = session->service_list;
1175 populate_service_list(session);
1177 if (info->entry != NULL) {
1178 service_iter_last = g_hash_table_lookup(
1180 info->entry->service);
1181 service_iter = g_hash_table_lookup(
1182 session->service_hash,
1183 info->entry->service);
1186 if (service_iter == NULL && service_iter_last != NULL) {
1188 * The currently selected service is
1189 * not part of this session anymore.
1191 deselect_and_disconnect(session);
1194 g_hash_table_remove_all(service_hash_last);
1195 g_sequence_free(service_list_last);
1198 if (info->config.type != info_last->config.type) {
1199 if (info->state >= CONNMAN_SESSION_STATE_CONNECTED &&
1200 is_type_matching_state(&info->state,
1201 info->config.type) == FALSE)
1202 deselect_and_disconnect(session);
1205 if (info->state == CONNMAN_SESSION_STATE_DISCONNECTED) {
1206 select_and_connect(session,
1207 CONNMAN_SESSION_REASON_FREE_RIDE);
1211 case CONNMAN_SESSION_TRIGGER_ECALL:
1213 * For the time beeing we fallback to normal connect
1216 case CONNMAN_SESSION_TRIGGER_CONNECT:
1217 if (info->state >= CONNMAN_SESSION_STATE_CONNECTED) {
1218 if (info->entry->reason == CONNMAN_SESSION_REASON_CONNECT)
1220 info->entry->reason = CONNMAN_SESSION_REASON_CONNECT;
1221 __connman_service_session_inc(info->entry->service);
1225 if (info->entry != NULL &&
1226 is_connecting(info->entry->state) == TRUE) {
1230 select_and_connect(session,
1231 CONNMAN_SESSION_REASON_CONNECT);
1234 case CONNMAN_SESSION_TRIGGER_DISCONNECT:
1235 deselect_and_disconnect(session);
1238 case CONNMAN_SESSION_TRIGGER_SERVICE:
1239 if (info->entry != NULL &&
1240 (is_connecting(info->entry->state) == TRUE ||
1241 is_connected(info->entry->state) == TRUE)) {
1245 deselect_and_disconnect(session);
1247 if (info->reason == CONNMAN_SESSION_REASON_FREE_RIDE) {
1248 select_and_connect(session, info->reason);
1254 session_notify(session);
1257 static DBusMessage *connect_session(DBusConnection *conn,
1258 DBusMessage *msg, void *user_data)
1260 struct connman_session *session = user_data;
1262 DBG("session %p", session);
1264 if (ecall_session != NULL) {
1265 if (ecall_session->ecall == TRUE && ecall_session != session)
1266 return __connman_error_failed(msg, EBUSY);
1268 session->ecall = TRUE;
1269 session_changed(session, CONNMAN_SESSION_TRIGGER_ECALL);
1271 session_changed(session, CONNMAN_SESSION_TRIGGER_CONNECT);
1273 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
1276 static DBusMessage *disconnect_session(DBusConnection *conn,
1277 DBusMessage *msg, void *user_data)
1279 struct connman_session *session = user_data;
1281 DBG("session %p", session);
1283 if (ecall_session != NULL) {
1284 if (ecall_session->ecall == TRUE && ecall_session != session)
1285 return __connman_error_failed(msg, EBUSY);
1287 session->ecall = FALSE;
1290 session_changed(session, CONNMAN_SESSION_TRIGGER_DISCONNECT);
1292 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
1295 static DBusMessage *change_session(DBusConnection *conn,
1296 DBusMessage *msg, void *user_data)
1298 struct connman_session *session = user_data;
1299 struct session_info *info = session->info;
1300 DBusMessageIter iter, value;
1303 GSList *allowed_bearers;
1305 DBG("session %p", session);
1306 if (dbus_message_iter_init(msg, &iter) == FALSE)
1307 return __connman_error_invalid_arguments(msg);
1309 if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
1310 return __connman_error_invalid_arguments(msg);
1312 dbus_message_iter_get_basic(&iter, &name);
1313 dbus_message_iter_next(&iter);
1315 if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
1316 return __connman_error_invalid_arguments(msg);
1318 dbus_message_iter_recurse(&iter, &value);
1320 switch (dbus_message_iter_get_arg_type(&value)) {
1321 case DBUS_TYPE_ARRAY:
1322 if (g_str_equal(name, "AllowedBearers") == TRUE) {
1323 allowed_bearers = session_parse_allowed_bearers(&value);
1325 connman_session_free_bearers(info->config.allowed_bearers);
1326 if (allowed_bearers == NULL) {
1327 allowed_bearers = connman_session_allowed_bearers_any();
1329 if (allowed_bearers == NULL)
1330 return __connman_error_failed(msg, ENOMEM);
1333 info->config.allowed_bearers = allowed_bearers;
1338 case DBUS_TYPE_STRING:
1339 if (g_str_equal(name, "ConnectionType") == TRUE) {
1340 dbus_message_iter_get_basic(&value, &val);
1341 info->config.type = string2type(val);
1350 session_changed(session, CONNMAN_SESSION_TRIGGER_SETTING);
1352 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
1355 return __connman_error_invalid_arguments(msg);
1358 static void release_session(gpointer key, gpointer value, gpointer user_data)
1360 struct connman_session *session = value;
1361 DBusMessage *message;
1363 DBG("owner %s path %s", session->owner, session->notify_path);
1365 if (session->notify_watch > 0)
1366 g_dbus_remove_watch(connection, session->notify_watch);
1368 g_dbus_unregister_interface(connection, session->session_path,
1369 CONNMAN_SESSION_INTERFACE);
1371 message = dbus_message_new_method_call(session->owner,
1372 session->notify_path,
1373 CONNMAN_NOTIFICATION_INTERFACE,
1375 if (message == NULL)
1378 dbus_message_set_no_reply(message, TRUE);
1380 g_dbus_send_message(connection, message);
1383 static int session_disconnect(struct connman_session *session)
1385 DBG("session %p, %s", session, session->owner);
1387 if (session->notify_watch > 0)
1388 g_dbus_remove_watch(connection, session->notify_watch);
1390 g_dbus_unregister_interface(connection, session->session_path,
1391 CONNMAN_SESSION_INTERFACE);
1393 deselect_and_disconnect(session);
1395 g_hash_table_remove(session_hash, session->session_path);
1400 static void owner_disconnect(DBusConnection *conn, void *user_data)
1402 struct connman_session *session = user_data;
1404 DBG("session %p, %s died", session, session->owner);
1406 session_disconnect(session);
1409 static DBusMessage *destroy_session(DBusConnection *conn,
1410 DBusMessage *msg, void *user_data)
1412 struct connman_session *session = user_data;
1414 DBG("session %p", session);
1416 if (ecall_session != NULL && ecall_session != session)
1417 return __connman_error_failed(msg, EBUSY);
1419 session_disconnect(session);
1421 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
1424 static const GDBusMethodTable session_methods[] = {
1425 { GDBUS_METHOD("Destroy", NULL, NULL, destroy_session) },
1426 { GDBUS_METHOD("Connect", NULL, NULL, connect_session) },
1427 { GDBUS_METHOD("Disconnect", NULL, NULL,
1428 disconnect_session ) },
1429 { GDBUS_METHOD("Change",
1430 GDBUS_ARGS({ "name", "s" }, { "value", "v" }),
1431 NULL, change_session) },
1435 int __connman_session_create(DBusMessage *msg)
1437 const char *owner, *notify_path;
1438 char *session_path = NULL;
1439 DBusMessageIter iter, array;
1440 struct connman_session *session = NULL;
1441 struct session_info *info, *info_last;
1442 enum connman_session_type type = CONNMAN_SESSION_TYPE_ANY;
1443 GSList *allowed_bearers = NULL;
1446 owner = dbus_message_get_sender(msg);
1448 DBG("owner %s", owner);
1450 if (ecall_session != NULL && ecall_session->ecall == TRUE) {
1452 * If there is an emergency call already going on,
1453 * ignore session creation attempt
1459 dbus_message_iter_init(msg, &iter);
1460 dbus_message_iter_recurse(&iter, &array);
1462 while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
1463 DBusMessageIter entry, value;
1464 const char *key, *val;
1466 dbus_message_iter_recurse(&array, &entry);
1467 dbus_message_iter_get_basic(&entry, &key);
1469 dbus_message_iter_next(&entry);
1470 dbus_message_iter_recurse(&entry, &value);
1472 switch (dbus_message_iter_get_arg_type(&value)) {
1473 case DBUS_TYPE_ARRAY:
1474 if (g_str_equal(key, "AllowedBearers") == TRUE) {
1476 session_parse_allowed_bearers(&value);
1481 case DBUS_TYPE_STRING:
1482 if (g_str_equal(key, "ConnectionType") == TRUE) {
1483 dbus_message_iter_get_basic(&value, &val);
1484 type = string2type(val);
1489 dbus_message_iter_next(&array);
1492 dbus_message_iter_next(&iter);
1493 dbus_message_iter_get_basic(&iter, ¬ify_path);
1495 if (notify_path == NULL) {
1500 session_path = g_strdup_printf("/sessions%s", notify_path);
1501 if (session_path == NULL) {
1506 session = g_hash_table_lookup(session_hash, session_path);
1507 if (session != NULL) {
1513 session = g_try_new0(struct connman_session, 1);
1514 if (session == NULL) {
1519 session->info = g_try_new0(struct session_info, 1);
1520 if (session->info == NULL) {
1525 session->info_last = g_try_new0(struct session_info, 1);
1526 if (session->info_last == NULL) {
1531 info = session->info;
1532 info_last = session->info_last;
1534 session->owner = g_strdup(owner);
1535 session->session_path = session_path;
1536 session->notify_path = g_strdup(notify_path);
1537 session->notify_watch =
1538 g_dbus_add_disconnect_watch(connection, session->owner,
1539 owner_disconnect, session, NULL);
1541 err = assign_policy_plugin(session);
1544 err = create_policy_config(session);
1548 if (session->policy_config->ecall == TRUE)
1549 ecall_session = session;
1551 info->state = CONNMAN_SESSION_STATE_DISCONNECTED;
1552 info->config.type = type;
1553 info->config.priority = session->policy_config->priority;
1554 info->config.roaming_policy = session->policy_config->roaming_policy;
1557 if (allowed_bearers == NULL) {
1558 info->config.allowed_bearers =
1559 connman_session_allowed_bearers_any();
1561 if (info->config.allowed_bearers == NULL) {
1566 info->config.allowed_bearers = allowed_bearers;
1569 g_hash_table_replace(session_hash, session->session_path, session);
1571 DBG("add %s", session->session_path);
1573 if (g_dbus_register_interface(connection, session->session_path,
1574 CONNMAN_SESSION_INTERFACE,
1575 session_methods, NULL,
1576 NULL, session, NULL) == FALSE) {
1577 connman_error("Failed to register %s", session->session_path);
1578 g_hash_table_remove(session_hash, session->session_path);
1585 g_dbus_send_reply(connection, msg,
1586 DBUS_TYPE_OBJECT_PATH, &session->session_path,
1590 populate_service_list(session);
1592 info_last->state = info->state;
1593 info_last->config.priority = info->config.priority;
1594 info_last->config.roaming_policy = info->config.roaming_policy;
1595 info_last->entry = info->entry;
1596 info_last->config.allowed_bearers = info->config.allowed_bearers;
1598 session->append_all = TRUE;
1600 session_changed(session, CONNMAN_SESSION_TRIGGER_SETTING);
1605 connman_error("Failed to create session");
1607 if (session != NULL) {
1608 if (session->info_last != NULL)
1609 g_free(session->info_last);
1610 if (session->info != NULL)
1611 g_free(session->info);
1615 g_free(session_path);
1617 connman_session_free_bearers(allowed_bearers);
1622 int __connman_session_destroy(DBusMessage *msg)
1624 const char *owner, *session_path;
1625 struct connman_session *session;
1627 owner = dbus_message_get_sender(msg);
1629 DBG("owner %s", owner);
1631 dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &session_path,
1633 if (session_path == NULL)
1636 session = g_hash_table_lookup(session_hash, session_path);
1637 if (session == NULL)
1640 if (g_strcmp0(owner, session->owner) != 0)
1643 session_disconnect(session);
1648 connman_bool_t __connman_session_mode()
1653 void __connman_session_set_mode(connman_bool_t enable)
1655 DBG("enable %d", enable);
1657 if (sessionmode != enable) {
1658 sessionmode = enable;
1660 connman_dbus_property_changed_basic(CONNMAN_MANAGER_PATH,
1661 CONNMAN_MANAGER_INTERFACE, "SessionMode",
1662 DBUS_TYPE_BOOLEAN, &sessionmode);
1665 if (sessionmode == TRUE)
1666 __connman_service_disconnect_all();
1669 static void service_add(struct connman_service *service,
1672 GHashTableIter iter;
1673 GSequenceIter *iter_service_list;
1674 gpointer key, value;
1675 struct connman_session *session;
1676 struct service_entry *entry;
1678 DBG("service %p", service);
1680 g_hash_table_iter_init(&iter, session_hash);
1682 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1685 if (service_match(session, service) == FALSE)
1688 entry = create_service_entry(service, name,
1689 CONNMAN_SERVICE_STATE_IDLE);
1694 g_sequence_insert_sorted(session->service_list,
1695 entry, sort_services,
1698 g_hash_table_replace(session->service_hash, service,
1701 session_changed(session, CONNMAN_SESSION_TRIGGER_SERVICE);
1705 static void service_remove(struct connman_service *service)
1708 GHashTableIter iter;
1709 gpointer key, value;
1710 struct connman_session *session;
1711 struct session_info *info;
1713 DBG("service %p", service);
1715 g_hash_table_iter_init(&iter, session_hash);
1717 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1718 GSequenceIter *seq_iter;
1720 info = session->info;
1722 seq_iter = g_hash_table_lookup(session->service_hash, service);
1723 if (seq_iter == NULL)
1726 g_sequence_remove(seq_iter);
1728 if (info->entry != NULL && info->entry->service == service)
1730 session_changed(session, CONNMAN_SESSION_TRIGGER_SERVICE);
1734 static void service_state_changed(struct connman_service *service,
1735 enum connman_service_state state)
1737 GHashTableIter iter;
1738 gpointer key, value;
1740 DBG("service %p state %d", service, state);
1742 g_hash_table_iter_init(&iter, session_hash);
1744 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1745 struct connman_session *session = value;
1746 GSequenceIter *service_iter;
1748 service_iter = g_hash_table_lookup(session->service_hash, service);
1749 if (service_iter != NULL) {
1750 struct service_entry *entry;
1752 entry = g_sequence_get(service_iter);
1753 entry->state = state;
1756 session_changed(session,
1757 CONNMAN_SESSION_TRIGGER_SERVICE);
1761 static void ipconfig_changed(struct connman_service *service,
1762 struct connman_ipconfig *ipconfig)
1764 GHashTableIter iter;
1765 gpointer key, value;
1766 struct connman_session *session;
1767 struct session_info *info;
1768 enum connman_ipconfig_type type;
1770 DBG("service %p ipconfig %p", service, ipconfig);
1772 type = __connman_ipconfig_get_config_type(ipconfig);
1774 g_hash_table_iter_init(&iter, session_hash);
1776 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1778 info = session->info;
1780 if (info->state == CONNMAN_SESSION_STATE_DISCONNECTED)
1783 if (info->entry != NULL && info->entry->service == service) {
1784 if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1785 ipconfig_ipv4_changed(session);
1786 else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1787 ipconfig_ipv6_changed(session);
1792 static struct connman_notifier session_notifier = {
1794 .service_add = service_add,
1795 .service_remove = service_remove,
1796 .service_state_changed = service_state_changed,
1797 .ipconfig_changed = ipconfig_changed,
1800 int __connman_session_init(void)
1806 connection = connman_dbus_get_connection();
1807 if (connection == NULL)
1810 err = connman_notifier_register(&session_notifier);
1812 dbus_connection_unref(connection);
1816 session_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1817 NULL, cleanup_session);
1819 sessionmode = FALSE;
1823 void __connman_session_cleanup(void)
1827 if (connection == NULL)
1830 connman_notifier_unregister(&session_notifier);
1832 g_hash_table_foreach(session_hash, release_session, NULL);
1833 g_hash_table_destroy(session_hash);
1834 session_hash = NULL;
1836 dbus_connection_unref(connection);