technology: Add bridge name to the tethering hook
[platform/upstream/connman.git] / src / technology.c
index d0a0cd2..37d3974 100644 (file)
 
 static DBusConnection *connection;
 
+static GHashTable *rfkill_table;
 static GHashTable *device_table;
 static GSList *technology_list = NULL;
 
+struct connman_rfkill {
+       unsigned int index;
+       enum connman_service_type type;
+       connman_bool_t softblock;
+       connman_bool_t hardblock;
+};
+
+enum connman_technology_state {
+       CONNMAN_TECHNOLOGY_STATE_UNKNOWN   = 0,
+       CONNMAN_TECHNOLOGY_STATE_OFFLINE   = 1,
+       CONNMAN_TECHNOLOGY_STATE_AVAILABLE = 2,
+       CONNMAN_TECHNOLOGY_STATE_BLOCKED   = 3,
+       CONNMAN_TECHNOLOGY_STATE_ENABLED   = 4,
+       CONNMAN_TECHNOLOGY_STATE_CONNECTED = 5,
+};
+
 struct connman_technology {
        gint refcount;
        enum connman_service_type type;
+       enum connman_technology_state state;
        char *path;
+       GHashTable *rfkill_list;
        GSList *device_list;
+       gint enabled;
+       gint blocked;
+
+       struct connman_technology_driver *driver;
+       void *driver_data;
 };
 
+static GSList *driver_list = NULL;
+
+static gint compare_priority(gconstpointer a, gconstpointer b)
+{
+       const struct connman_technology_driver *driver1 = a;
+       const struct connman_technology_driver *driver2 = b;
+
+       return driver2->priority - driver1->priority;
+}
+
+/**
+ * connman_technology_driver_register:
+ * @driver: Technology driver definition
+ *
+ * Register a new technology driver
+ *
+ * Returns: %0 on success
+ */
+int connman_technology_driver_register(struct connman_technology_driver *driver)
+{
+       DBG("driver %p name %s", driver, driver->name);
+
+       driver_list = g_slist_insert_sorted(driver_list, driver,
+                                                       compare_priority);
+
+       return 0;
+}
+
+/**
+ * connman_technology_driver_unregister:
+ * @driver: Technology driver definition
+ *
+ * Remove a previously registered technology driver
+ */
+void connman_technology_driver_unregister(struct connman_technology_driver *driver)
+{
+       DBG("driver %p name %s", driver, driver->name);
+
+       driver_list = g_slist_remove(driver_list, driver);
+}
+
+void __connman_technology_add_interface(enum connman_service_type type,
+                               int index, const char *name, const char *ident)
+{
+       GSList *list;
+
+       switch (type) {
+       case CONNMAN_SERVICE_TYPE_UNKNOWN:
+       case CONNMAN_SERVICE_TYPE_SYSTEM:
+               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:
+       case CONNMAN_SERVICE_TYPE_GPS:
+       case CONNMAN_SERVICE_TYPE_VPN:
+               break;
+       }
+
+       connman_info("Create interface %s [ %s ]", name,
+                               __connman_service_type2string(type));
+
+       for (list = technology_list; list; list = list->next) {
+               struct connman_technology *technology = list->data;
+
+               if (technology->type != type)
+                       continue;
+
+               if (technology->driver == NULL)
+                       continue;
+
+               if (technology->driver->add_interface)
+                       technology->driver->add_interface(technology,
+                                                       index, name, ident);
+       }
+}
+
+void __connman_technology_remove_interface(enum connman_service_type type,
+                               int index, const char *name, const char *ident)
+{
+       GSList *list;
+
+       switch (type) {
+       case CONNMAN_SERVICE_TYPE_UNKNOWN:
+       case CONNMAN_SERVICE_TYPE_SYSTEM:
+               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:
+       case CONNMAN_SERVICE_TYPE_GPS:
+       case CONNMAN_SERVICE_TYPE_VPN:
+               break;
+       }
+
+       connman_info("Remove interface %s [ %s ]", name,
+                               __connman_service_type2string(type));
+
+       for (list = technology_list; list; list = list->next) {
+               struct connman_technology *technology = list->data;
+
+               if (technology->type != type)
+                       continue;
+
+               if (technology->driver == NULL)
+                       continue;
+
+               if (technology->driver->remove_interface)
+                       technology->driver->remove_interface(technology, index);
+       }
+}
+
+static int set_tethering(const char *bridge, connman_bool_t enabled)
+{
+       GSList *list;
+
+       for (list = technology_list; list; list = list->next) {
+               struct connman_technology *technology = list->data;
+
+               if (technology->driver == NULL)
+                       continue;
+
+               if (technology->driver->set_tethering)
+                       technology->driver->set_tethering(technology, bridge, enabled);
+       }
+
+       return 0;
+}
+
+int __connman_technology_enable_tethering(const char *bridge)
+{
+       return set_tethering(bridge, TRUE);
+}
+
+int __connman_technology_disable_tethering(const char *bridge)
+{
+       return set_tethering(bridge, FALSE);
+}
+
+static void free_rfkill(gpointer data)
+{
+       struct connman_rfkill *rfkill = data;
+
+       g_free(rfkill);
+}
+
 void __connman_technology_list(DBusMessageIter *iter, void *user_data)
 {
        GSList *list;
@@ -61,29 +233,37 @@ static void technologies_changed(void)
                        DBUS_TYPE_OBJECT_PATH, __connman_technology_list, NULL);
 }
 
-static void device_list(DBusMessageIter *iter, void *user_data)
+static const char *state2string(enum connman_technology_state state)
 {
-       struct connman_technology *technology = user_data;
-       GSList *list;
-
-       for (list = technology->device_list; list; list = list->next) {
-               struct connman_device *device = list->data;
-               const char *path;
-
-               path = connman_device_get_path(device);
-               if (path == NULL)
-                       continue;
-
-               dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
-                                                                       &path);
+       switch (state) {
+       case CONNMAN_TECHNOLOGY_STATE_UNKNOWN:
+               break;
+       case CONNMAN_TECHNOLOGY_STATE_OFFLINE:
+               return "offline";
+       case CONNMAN_TECHNOLOGY_STATE_AVAILABLE:
+               return "available";
+       case CONNMAN_TECHNOLOGY_STATE_BLOCKED:
+               return "blocked";
+       case CONNMAN_TECHNOLOGY_STATE_ENABLED:
+               return "enabled";
+       case CONNMAN_TECHNOLOGY_STATE_CONNECTED:
+               return "connected";
        }
+
+       return NULL;
 }
 
-static void devices_changed(struct connman_technology *technology)
+static void state_changed(struct connman_technology *technology)
 {
-       connman_dbus_property_changed_array(technology->path,
-                       CONNMAN_TECHNOLOGY_INTERFACE, "Devices",
-                       DBUS_TYPE_OBJECT_PATH, device_list, technology);
+       const char *str;
+
+       str = state2string(technology->state);
+       if (str == NULL)
+               return;
+
+       connman_dbus_property_changed_basic(technology->path,
+                               CONNMAN_TECHNOLOGY_INTERFACE, "State",
+                                               DBUS_TYPE_STRING, &str);
 }
 
 static const char *get_name(enum connman_service_type type)
@@ -125,6 +305,11 @@ static DBusMessage *get_properties(DBusConnection *conn,
 
        connman_dbus_dict_open(&array, &dict);
 
+       str = state2string(technology->state);
+       if (str != NULL)
+               connman_dbus_dict_append_basic(&dict, "State",
+                                               DBUS_TYPE_STRING, &str);
+
        str = get_name(technology->type);
        if (str != NULL)
                connman_dbus_dict_append_basic(&dict, "Name",
@@ -135,9 +320,6 @@ static DBusMessage *get_properties(DBusConnection *conn,
                connman_dbus_dict_append_basic(&dict, "Type",
                                                DBUS_TYPE_STRING, &str);
 
-       connman_dbus_dict_append_array(&dict, "Devices",
-                       DBUS_TYPE_OBJECT_PATH, device_list, technology);
-
        connman_dbus_dict_close(&array, &dict);
 
        return reply;
@@ -173,6 +355,7 @@ static struct connman_technology *technology_get(enum connman_service_type type)
 {
        struct connman_technology *technology;
        const char *str;
+       GSList *list;
 
        DBG("type %d", type);
 
@@ -196,6 +379,12 @@ static struct connman_technology *technology_get(enum connman_service_type type)
        technology->path = g_strdup_printf("%s/technology/%s",
                                                        CONNMAN_PATH, str);
 
+       technology->rfkill_list = g_hash_table_new_full(g_int_hash, g_int_equal,
+                                                       NULL, free_rfkill);
+       technology->device_list = NULL;
+
+       technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
+
        if (g_dbus_register_interface(connection, technology->path,
                                        CONNMAN_TECHNOLOGY_INTERFACE,
                                        technology_methods, technology_signals,
@@ -209,6 +398,23 @@ static struct connman_technology *technology_get(enum connman_service_type type)
 
        technologies_changed();
 
+       if (technology->driver != NULL)
+               goto done;
+
+       for (list = driver_list; list; list = list->next) {
+               struct connman_technology_driver *driver = list->data;
+
+               DBG("driver %p name %s", driver, driver->name);
+
+               if (driver->type != technology->type)
+                       continue;
+
+               if (driver->probe(technology) == 0) {
+                       technology->driver = driver;
+                       break;
+               }
+       }
+
 done:
        DBG("technology %p", technology);
 
@@ -222,6 +428,11 @@ static void technology_put(struct connman_technology *technology)
        if (g_atomic_int_dec_and_test(&technology->refcount) == FALSE)
                return;
 
+       if (technology->driver) {
+               technology->driver->remove(technology);
+               technology->driver = NULL;
+       }
+
        technology_list = g_slist_remove(technology_list, technology);
 
        technologies_changed();
@@ -229,16 +440,17 @@ static void technology_put(struct connman_technology *technology)
        g_dbus_unregister_interface(connection, technology->path,
                                                CONNMAN_TECHNOLOGY_INTERFACE);
 
+       g_slist_free(technology->device_list);
+       g_hash_table_destroy(technology->rfkill_list);
+
        g_free(technology->path);
        g_free(technology);
 }
 
-static void unregister_device(gpointer data)
+static void unregister_technology(gpointer data)
 {
        struct connman_technology *technology = data;
 
-       DBG("technology %p", technology);
-
        technology_put(technology);
 }
 
@@ -250,6 +462,7 @@ int __connman_technology_add_device(struct connman_device *device)
        DBG("device %p", device);
 
        type = __connman_device_get_service_type(device);
+       __connman_notifier_register(type);
 
        technology = technology_get(type);
        if (technology == NULL)
@@ -257,42 +470,257 @@ int __connman_technology_add_device(struct connman_device *device)
 
        g_hash_table_insert(device_table, device, technology);
 
+       if (g_atomic_int_get(&technology->blocked))
+               goto done;
+
+       technology->state = CONNMAN_TECHNOLOGY_STATE_AVAILABLE;
+
+       state_changed(technology);
+
+done:
+
        technology->device_list = g_slist_append(technology->device_list,
                                                                device);
 
-       devices_changed(technology);
-
        return 0;
 }
 
 int __connman_technology_remove_device(struct connman_device *device)
 {
        struct connman_technology *technology;
+       enum connman_service_type type;
 
        DBG("device %p", device);
 
+       type = __connman_device_get_service_type(device);
+       __connman_notifier_unregister(type);
+
        technology = g_hash_table_lookup(device_table, device);
        if (technology == NULL)
                return -ENXIO;
 
        technology->device_list = g_slist_remove(technology->device_list,
                                                                device);
-
-       devices_changed(technology);
+       if (technology->device_list == NULL) {
+               technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
+               state_changed(technology);
+       }
 
        g_hash_table_remove(device_table, device);
 
        return 0;
 }
 
+int __connman_technology_enable_device(struct connman_device *device)
+{
+       struct connman_technology *technology;
+       enum connman_service_type type;
+
+       DBG("device %p", device);
+
+       technology = g_hash_table_lookup(device_table, device);
+       if (technology == NULL)
+               return -ENXIO;
+
+       if (g_atomic_int_get(&technology->blocked))
+               return -ERFKILL;
+
+       type = __connman_device_get_service_type(device);
+       __connman_notifier_enable(type);
+
+       if (g_atomic_int_exchange_and_add(&technology->enabled, 1) == 0) {
+               technology->state = CONNMAN_TECHNOLOGY_STATE_ENABLED;
+               state_changed(technology);
+       }
+
+       return 0;
+}
+
+int __connman_technology_disable_device(struct connman_device *device)
+{
+       struct connman_technology *technology;
+       enum connman_service_type type;
+       GSList *list;
+
+       DBG("device %p", device);
+
+       type = __connman_device_get_service_type(device);
+       __connman_notifier_disable(type);
+
+       technology = g_hash_table_lookup(device_table, device);
+       if (technology == NULL)
+               return -ENXIO;
+
+       if (g_atomic_int_dec_and_test(&technology->enabled) == TRUE) {
+               technology->state = CONNMAN_TECHNOLOGY_STATE_AVAILABLE;
+               state_changed(technology);
+       }
+
+       for (list = technology->device_list; list; list = list->next) {
+               struct connman_device *device = list->data;
+
+               if (__connman_device_get_blocked(device) == FALSE)
+                       return 0;
+       }
+
+       technology->state = CONNMAN_TECHNOLOGY_STATE_BLOCKED;
+       state_changed(technology);
+
+       return 0;
+}
+
+static void technology_blocked(struct connman_technology *technology,
+                               connman_bool_t blocked)
+{
+       GSList *list;
+
+       for (list = technology->device_list; list; list = list->next) {
+               struct connman_device *device = list->data;
+
+               __connman_device_set_blocked(device, blocked);
+       }
+}
+
+int __connman_technology_add_rfkill(unsigned int index,
+                                       enum connman_service_type type,
+                                               connman_bool_t softblock,
+                                               connman_bool_t hardblock)
+{
+       struct connman_technology *technology;
+       struct connman_rfkill *rfkill;
+       connman_bool_t blocked;
+
+       DBG("index %u type %d soft %u hard %u", index, type,
+                                                       softblock, hardblock);
+
+       technology = technology_get(type);
+       if (technology == NULL)
+               return -ENXIO;
+
+       rfkill = g_try_new0(struct connman_rfkill, 1);
+       if (rfkill == NULL)
+               return -ENOMEM;
+
+       rfkill->index = index;
+       rfkill->type = type;
+       rfkill->softblock = softblock;
+       rfkill->hardblock = hardblock;
+
+       g_hash_table_replace(rfkill_table, &rfkill->index, technology);
+
+       g_hash_table_replace(technology->rfkill_list, &rfkill->index, rfkill);
+
+       blocked = (softblock || hardblock) ? TRUE : FALSE;
+       if (blocked == FALSE)
+               return 0;
+
+       if (g_atomic_int_exchange_and_add(&technology->blocked, 1) == 0) {
+               technology_blocked(technology, TRUE);
+
+               technology->state = CONNMAN_TECHNOLOGY_STATE_BLOCKED;
+               state_changed(technology);
+       }
+
+       return 0;
+}
+
+int __connman_technology_update_rfkill(unsigned int index,
+                                               connman_bool_t softblock,
+                                               connman_bool_t hardblock)
+{
+       struct connman_technology *technology;
+       struct connman_rfkill *rfkill;
+       connman_bool_t blocked, old_blocked;
+
+       DBG("index %u soft %u hard %u", index, softblock, hardblock);
+
+       technology = g_hash_table_lookup(rfkill_table, &index);
+       if (technology == NULL)
+               return -ENXIO;
+
+       rfkill = g_hash_table_lookup(technology->rfkill_list, &index);
+       if (rfkill == NULL)
+               return -ENXIO;
+
+       old_blocked = (rfkill->softblock || rfkill->hardblock) ? TRUE : FALSE;
+       blocked = (softblock || hardblock) ? TRUE : FALSE;
+
+       rfkill->softblock = softblock;
+       rfkill->hardblock = hardblock;
+
+       if (blocked == old_blocked)
+               return 0;
+
+       if (blocked) {
+               guint n_blocked;
+
+               n_blocked =
+                       g_atomic_int_exchange_and_add(&technology->blocked, 1);
+               if (n_blocked != g_hash_table_size(technology->rfkill_list) - 1)
+                       return 0;
+
+               technology_blocked(technology, blocked);
+               technology->state = CONNMAN_TECHNOLOGY_STATE_BLOCKED;
+               state_changed(technology);
+       } else {
+               if (g_atomic_int_dec_and_test(&technology->blocked) == FALSE)
+                       return 0;
+
+               technology_blocked(technology, blocked);
+               technology->state = CONNMAN_TECHNOLOGY_STATE_AVAILABLE;
+               state_changed(technology);
+       }
+
+       return 0;
+}
+
+int __connman_technology_remove_rfkill(unsigned int index)
+{
+       struct connman_technology *technology;
+
+       DBG("index %u", index);
+
+       technology = g_hash_table_lookup(rfkill_table, &index);
+       if (technology == NULL)
+               return -ENXIO;
+
+       g_hash_table_remove(technology->rfkill_list, &index);
+
+       g_hash_table_remove(rfkill_table, &index);
+
+       if (g_atomic_int_dec_and_test(&technology->blocked) == TRUE) {
+               technology_blocked(technology, FALSE);
+               technology->state = CONNMAN_TECHNOLOGY_STATE_AVAILABLE;
+               state_changed(technology);
+       }
+
+       return 0;
+}
+
+connman_bool_t __connman_technology_get_blocked(enum connman_service_type type)
+{
+       struct connman_technology *technology;
+
+       technology = technology_get(type);
+       if (technology == NULL)
+               return FALSE;
+
+       if (g_atomic_int_get(&technology->blocked))
+               return TRUE;
+
+       return FALSE;
+}
+
 int __connman_technology_init(void)
 {
        DBG("");
 
        connection = connman_dbus_get_connection();
 
+       rfkill_table = g_hash_table_new_full(g_int_hash, g_int_equal,
+                                               NULL, unregister_technology);
        device_table = g_hash_table_new_full(g_direct_hash, g_direct_equal,
-                                               NULL, unregister_device);
+                                               NULL, unregister_technology);
 
        return 0;
 }
@@ -302,6 +730,7 @@ void __connman_technology_cleanup(void)
        DBG("");
 
        g_hash_table_destroy(device_table);
+       g_hash_table_destroy(rfkill_table);
 
        dbus_connection_unref(connection);
 }