*
* Connection Manager
*
- * Copyright (C) 2007-2010 Intel Corporation. All rights reserved.
+ * Copyright (C) 2007-2012 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
static DBusConnection *connection = NULL;
static GSList *notifier_list = NULL;
+static GHashTable *service_hash = NULL;
+
+static const char *notifier_state;
static gint compare_priority(gconstpointer a, gconstpointer b)
{
#define MAX_TECHNOLOGIES 10
-static volatile gint registered[MAX_TECHNOLOGIES];
-static volatile gint enabled[MAX_TECHNOLOGIES];
-static volatile gint connected[MAX_TECHNOLOGIES];
+static int connected[MAX_TECHNOLOGIES];
+static int online[MAX_TECHNOLOGIES];
-void __connman_notifier_list_registered(DBusMessageIter *iter, void *user_data)
+static connman_bool_t notifier_is_online(void)
{
- int i;
+ unsigned int i;
+ __sync_synchronize();
for (i = 0; i < MAX_TECHNOLOGIES; i++) {
- const char *type = __connman_service_type2string(i);
-
- if (type == NULL)
- continue;
-
- if (g_atomic_int_get(®istered[i]) > 0)
- dbus_message_iter_append_basic(iter,
- DBUS_TYPE_STRING, &type);
+ if (online[i] > 0)
+ return TRUE;
}
-}
-
-void __connman_notifier_list_enabled(DBusMessageIter *iter, void *user_data)
-{
- int i;
- for (i = 0; i < MAX_TECHNOLOGIES; i++) {
- const char *type = __connman_service_type2string(i);
-
- if (type == NULL)
- continue;
-
- if (g_atomic_int_get(&enabled[i]) > 0)
- dbus_message_iter_append_basic(iter,
- DBUS_TYPE_STRING, &type);
- }
+ return FALSE;
}
-void __connman_notifier_list_connected(DBusMessageIter *iter, void *user_data)
+connman_bool_t __connman_notifier_is_connected(void)
{
- int i;
+ unsigned int i;
+ __sync_synchronize();
for (i = 0; i < MAX_TECHNOLOGIES; i++) {
- const char *type = __connman_service_type2string(i);
-
- if (type == NULL)
- continue;
-
- if (g_atomic_int_get(&connected[i]) > 0)
- dbus_message_iter_append_basic(iter,
- DBUS_TYPE_STRING, &type);
+ if (connected[i] > 0)
+ return TRUE;
}
-}
-static void technology_registered(enum connman_service_type type,
- connman_bool_t registered)
-{
- DBG("type %d registered %d", type, registered);
-
- connman_dbus_property_changed_array(CONNMAN_MANAGER_PATH,
- CONNMAN_MANAGER_INTERFACE, "AvailableTechnologies",
- DBUS_TYPE_STRING, __connman_notifier_list_registered, NULL);
+ return FALSE;
}
-static void technology_enabled(enum connman_service_type type,
- connman_bool_t enabled)
+static const char *evaluate_notifier_state(void)
{
- GSList *list;
-
- DBG("type %d enabled %d", type, enabled);
-
- connman_dbus_property_changed_array(CONNMAN_MANAGER_PATH,
- CONNMAN_MANAGER_INTERFACE, "EnabledTechnologies",
- DBUS_TYPE_STRING, __connman_notifier_list_enabled, NULL);
-
- for (list = notifier_list; list; list = list->next) {
- struct connman_notifier *notifier = list->data;
+ if (notifier_is_online() == TRUE)
+ return "online";
- if (notifier->service_enabled)
- notifier->service_enabled(type, enabled);
- }
-}
+ if (__connman_notifier_is_connected() == TRUE)
+ return "ready";
-unsigned int __connman_notifier_count_connected(void)
-{
- unsigned int i, count = 0;
+ if ( __connman_technology_get_offlinemode() == TRUE)
+ return "offline";
- for (i = 0; i < MAX_TECHNOLOGIES; i++) {
- if (g_atomic_int_get(&connected[i]) > 0)
- count++;
- }
-
- return count;
+ return "idle";
}
const char *__connman_notifier_get_state(void)
{
- unsigned int count = __connman_notifier_count_connected();
-
- if (count > 0)
- return "online";
-
- return "offline";
+ return notifier_state;
}
static void state_changed(void)
{
- unsigned int count = __connman_notifier_count_connected();
- char *state = "offline";
- DBusMessage *signal;
+ const char *state;
- if (count > 1)
+ state = evaluate_notifier_state();
+
+ if (g_strcmp0(state, notifier_state) == 0)
return;
- if (count > 0)
- state = "online";
+ notifier_state = state;
connman_dbus_property_changed_basic(CONNMAN_MANAGER_PATH,
CONNMAN_MANAGER_INTERFACE, "State",
- DBUS_TYPE_STRING, &state);
-
- signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
- CONNMAN_MANAGER_INTERFACE, "StateChanged");
- if (signal == NULL)
- return;
-
- dbus_message_append_args(signal, DBUS_TYPE_STRING, &state,
- DBUS_TYPE_INVALID);
-
- g_dbus_send_message(connection, signal);
+ DBUS_TYPE_STRING, ¬ifier_state);
}
static void technology_connected(enum connman_service_type type,
{
DBG("type %d connected %d", type, connected);
- connman_dbus_property_changed_array(CONNMAN_MANAGER_PATH,
- CONNMAN_MANAGER_INTERFACE, "ConnectedTechnologies",
- DBUS_TYPE_STRING, __connman_notifier_list_connected, NULL);
-
+ __connman_technology_set_connected(type, connected);
state_changed();
}
-void __connman_notifier_register(enum connman_service_type type)
+void __connman_notifier_connect(enum connman_service_type type)
{
DBG("type %d", type);
break;
}
- if (g_atomic_int_exchange_and_add(®istered[type], 1) == 0)
- technology_registered(type, TRUE);
+ if (__sync_fetch_and_add(&connected[type], 1) == 0)
+ technology_connected(type, TRUE);
}
-void __connman_notifier_unregister(enum connman_service_type type)
+void __connman_notifier_enter_online(enum connman_service_type type)
{
DBG("type %d", type);
- switch (type) {
- case CONNMAN_SERVICE_TYPE_UNKNOWN:
- case CONNMAN_SERVICE_TYPE_SYSTEM:
- case CONNMAN_SERVICE_TYPE_GPS:
- case CONNMAN_SERVICE_TYPE_VPN:
- case CONNMAN_SERVICE_TYPE_GADGET:
- return;
- case CONNMAN_SERVICE_TYPE_ETHERNET:
- case CONNMAN_SERVICE_TYPE_WIFI:
- case CONNMAN_SERVICE_TYPE_WIMAX:
- case CONNMAN_SERVICE_TYPE_BLUETOOTH:
- case CONNMAN_SERVICE_TYPE_CELLULAR:
- break;
- }
-
- if (g_atomic_int_dec_and_test(®istered[type]) == TRUE)
- technology_registered(type, FALSE);
+ if (__sync_fetch_and_add(&online[type], 1) == 0)
+ state_changed();
}
-void __connman_notifier_enable(enum connman_service_type type)
+void __connman_notifier_leave_online(enum connman_service_type type)
{
DBG("type %d", type);
- switch (type) {
- case CONNMAN_SERVICE_TYPE_UNKNOWN:
- case CONNMAN_SERVICE_TYPE_SYSTEM:
- case CONNMAN_SERVICE_TYPE_GPS:
- case CONNMAN_SERVICE_TYPE_VPN:
- case CONNMAN_SERVICE_TYPE_GADGET:
- return;
- case CONNMAN_SERVICE_TYPE_ETHERNET:
- case CONNMAN_SERVICE_TYPE_WIFI:
- case CONNMAN_SERVICE_TYPE_WIMAX:
- case CONNMAN_SERVICE_TYPE_BLUETOOTH:
- case CONNMAN_SERVICE_TYPE_CELLULAR:
- break;
- }
-
- if (g_atomic_int_exchange_and_add(&enabled[type], 1) == 0)
- technology_enabled(type, TRUE);
+ if (__sync_fetch_and_sub(&online[type], 1) == 1)
+ state_changed();
}
-void __connman_notifier_disable(enum connman_service_type type)
+void __connman_notifier_disconnect(enum connman_service_type type)
{
DBG("type %d", type);
- switch (type) {
- case CONNMAN_SERVICE_TYPE_UNKNOWN:
- case CONNMAN_SERVICE_TYPE_SYSTEM:
- case CONNMAN_SERVICE_TYPE_GPS:
- case CONNMAN_SERVICE_TYPE_VPN:
- case CONNMAN_SERVICE_TYPE_GADGET:
+ __sync_synchronize();
+ if (connected[type] == 0) {
+ connman_error("notifier disconnect underflow");
return;
- case CONNMAN_SERVICE_TYPE_ETHERNET:
- case CONNMAN_SERVICE_TYPE_WIFI:
- case CONNMAN_SERVICE_TYPE_WIMAX:
- case CONNMAN_SERVICE_TYPE_BLUETOOTH:
- case CONNMAN_SERVICE_TYPE_CELLULAR:
- break;
}
- if (g_atomic_int_dec_and_test(&enabled[type]) == TRUE)
- technology_enabled(type, FALSE);
-}
-
-void __connman_notifier_connect(enum connman_service_type type)
-{
- DBG("type %d", type);
-
switch (type) {
case CONNMAN_SERVICE_TYPE_UNKNOWN:
case CONNMAN_SERVICE_TYPE_SYSTEM:
break;
}
- if (g_atomic_int_exchange_and_add(&connected[type], 1) == 0)
- technology_connected(type, TRUE);
+ if (__sync_fetch_and_sub(&connected[type], 1) != 1)
+ return;
+
+ technology_connected(type, FALSE);
}
-void __connman_notifier_disconnect(enum connman_service_type type)
+void __connman_notifier_default_changed(struct connman_service *service)
{
- DBG("type %d", type);
+ GSList *list;
- switch (type) {
- case CONNMAN_SERVICE_TYPE_UNKNOWN:
- case CONNMAN_SERVICE_TYPE_SYSTEM:
- case CONNMAN_SERVICE_TYPE_GPS:
- case CONNMAN_SERVICE_TYPE_VPN:
- case CONNMAN_SERVICE_TYPE_GADGET:
- return;
- case CONNMAN_SERVICE_TYPE_ETHERNET:
- case CONNMAN_SERVICE_TYPE_WIFI:
- case CONNMAN_SERVICE_TYPE_WIMAX:
- case CONNMAN_SERVICE_TYPE_BLUETOOTH:
- case CONNMAN_SERVICE_TYPE_CELLULAR:
- break;
- }
+ for (list = notifier_list; list; list = list->next) {
+ struct connman_notifier *notifier = list->data;
- if (g_atomic_int_dec_and_test(&connected[type]) == TRUE)
- technology_connected(type, FALSE);
+ if (notifier->default_changed)
+ notifier->default_changed(service);
+ }
}
-static void technology_default(enum connman_service_type type)
+void __connman_notifier_service_add(struct connman_service *service,
+ const char *name)
{
- const char *str;
+ GSList *list;
- str = __connman_service_type2string(type);
- if (str == NULL)
- str = "";
+ for (list = notifier_list; list; list = list->next) {
+ struct connman_notifier *notifier = list->data;
- connman_dbus_property_changed_basic(CONNMAN_MANAGER_PATH,
- CONNMAN_MANAGER_INTERFACE, "DefaultTechnology",
- DBUS_TYPE_STRING, &str);
+ if (notifier->service_add)
+ notifier->service_add(service, name);
+ }
}
-void __connman_notifier_default_changed(struct connman_service *service)
+void __connman_notifier_service_remove(struct connman_service *service)
{
- enum connman_service_type type = connman_service_get_type(service);
- char *interface;
GSList *list;
- technology_default(type);
+ if (g_hash_table_lookup(service_hash, service) != NULL) {
+ /*
+ * This is a tempory check for consistency. It can be
+ * removed when there are no reports for the following
+ * error message.
+ */
+ connman_error("Service state machine inconsistency detected.");
- interface = connman_service_get_interface(service);
- __connman_tethering_update_interface(interface);
- g_free(interface);
+ g_hash_table_remove(service_hash, service);
+ }
for (list = notifier_list; list; list = list->next) {
struct connman_notifier *notifier = list->data;
- if (notifier->default_changed)
- notifier->default_changed(service);
+ if (notifier->service_remove)
+ notifier->service_remove(service);
}
}
DBG("enabled %d", enabled);
- __connman_profile_changed(FALSE);
-
offlinemode_changed(enabled);
+ state_changed();
for (list = notifier_list; list; list = list->next) {
struct connman_notifier *notifier = list->data;
}
}
-void __connman_notifier_service_state_changed(struct connman_service *service,
- enum connman_service_state state)
+static void notify_idle_state(connman_bool_t idle)
{
GSList *list;
+ DBG("idle %d", idle);
+
for (list = notifier_list; list; list = list->next) {
struct connman_notifier *notifier = list->data;
- if (notifier->service_state_changed)
- notifier->service_state_changed(service, state);
+ if (notifier->idle_state)
+ notifier->idle_state(idle);
}
}
-void __connman_notifier_ipconfig_changed(struct connman_service *service,
- struct connman_ipconfig *ipconfig)
+void __connman_notifier_service_state_changed(struct connman_service *service,
+ enum connman_service_state state)
{
GSList *list;
+ unsigned int old_size;
+ connman_bool_t found;
for (list = notifier_list; list; list = list->next) {
struct connman_notifier *notifier = list->data;
- if (notifier->ipconfig_changed)
- notifier->ipconfig_changed(service, ipconfig);
+ if (notifier->service_state_changed)
+ notifier->service_state_changed(service, state);
}
-}
-static connman_bool_t technology_supported(enum connman_service_type type)
-{
- switch (type) {
- case CONNMAN_SERVICE_TYPE_UNKNOWN:
- case CONNMAN_SERVICE_TYPE_SYSTEM:
- case CONNMAN_SERVICE_TYPE_GPS:
- case CONNMAN_SERVICE_TYPE_VPN:
- case CONNMAN_SERVICE_TYPE_GADGET:
- return FALSE;
- case CONNMAN_SERVICE_TYPE_ETHERNET:
- case CONNMAN_SERVICE_TYPE_WIFI:
- case CONNMAN_SERVICE_TYPE_WIMAX:
- case CONNMAN_SERVICE_TYPE_BLUETOOTH:
- case CONNMAN_SERVICE_TYPE_CELLULAR:
- break;
- }
+ old_size = g_hash_table_size(service_hash);
+ found = g_hash_table_lookup(service_hash, service) != NULL;
- return TRUE;
-}
+ switch (state) {
+ case CONNMAN_SERVICE_STATE_UNKNOWN:
+ case CONNMAN_SERVICE_STATE_FAILURE:
+ case CONNMAN_SERVICE_STATE_DISCONNECT:
+ case CONNMAN_SERVICE_STATE_IDLE:
+ if (found == FALSE)
+ break;
-connman_bool_t __connman_notifier_is_registered(enum connman_service_type type)
-{
- DBG("type %d", type);
+ g_hash_table_remove(service_hash, service);
+ if (old_size == 1)
+ notify_idle_state(TRUE);
- if (technology_supported(type) == FALSE)
- return FALSE;
+ break;
+ case CONNMAN_SERVICE_STATE_ASSOCIATION:
+ case CONNMAN_SERVICE_STATE_CONFIGURATION:
+ case CONNMAN_SERVICE_STATE_READY:
+ case CONNMAN_SERVICE_STATE_ONLINE:
+ if (found == TRUE)
+ break;
- if (g_atomic_int_get(®istered[type]) > 0)
- return TRUE;
+ g_hash_table_insert(service_hash, service, service);
+ if (old_size == 0)
+ notify_idle_state(FALSE);
- return FALSE;
+ break;
+ }
}
-connman_bool_t __connman_notifier_is_enabled(enum connman_service_type type)
+void __connman_notifier_ipconfig_changed(struct connman_service *service,
+ struct connman_ipconfig *ipconfig)
{
- DBG("type %d", type);
-
- if (technology_supported(type) == FALSE)
- return FALSE;
+ GSList *list;
- if (g_atomic_int_get(&enabled[type]) > 0)
- return TRUE;
+ for (list = notifier_list; list; list = list->next) {
+ struct connman_notifier *notifier = list->data;
- return FALSE;
+ if (notifier->ipconfig_changed)
+ notifier->ipconfig_changed(service, ipconfig);
+ }
}
int __connman_notifier_init(void)
connection = connman_dbus_get_connection();
+ service_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
+ NULL, NULL);
+
+ notifier_state = evaluate_notifier_state();
+
return 0;
}
{
DBG("");
+ g_hash_table_destroy(service_hash);
+ service_hash = NULL;
+
dbus_connection_unref(connection);
}