+ if (technology->pending_reply != NULL) {
+ err = -EBUSY;
+ goto done;
+ }
+
+ if (msg != NULL) {
+ /*
+ * This is a bit of a trick. When msg is not NULL it means
+ * thats technology_enable was invoked from the manager API.
+ * Hence we save the state here.
+ */
+ technology->enable_persistent = TRUE;
+ save_state(technology);
+ }
+
+ __connman_rfkill_block(technology->type, FALSE);
+
+ /*
+ * An empty device list means that devices in the technology
+ * were rfkill blocked. The unblock above will enable the devs.
+ */
+ if (technology->device_list == NULL) {
+ ret = 0;
+ goto done;
+ }
+
+ for (list = technology->device_list; list; list = list->next) {
+ struct connman_device *device = list->data;
+
+ err = __connman_device_enable(device);
+ /*
+ * err = 0 : Device was enabled right away.
+ * If atleast one device gets enabled, we consider
+ * the technology to be enabled.
+ */
+ if (err == 0)
+ ret = 0;
+ }
+
+done:
+ if (ret == 0) {
+ if (msg != NULL)
+ g_dbus_send_reply(connection, msg, DBUS_TYPE_INVALID);
+ return ret;
+ }
+
+ if (msg != NULL) {
+ if (err == -EINPROGRESS) {
+ technology->pending_reply = dbus_message_ref(msg);
+ technology->pending_timeout = g_timeout_add_seconds(10,
+ technology_pending_reply, technology);
+ } else {
+ if (err == -EALREADY)
+ reply = __connman_error_already_enabled(msg);
+ else
+ reply = __connman_error_failed(msg, -err);
+ if (reply != NULL)
+ g_dbus_send_message(connection, reply);
+ }
+ }
+
+ return err;
+}
+
+static int technology_disable(struct connman_technology *technology,
+ DBusMessage *msg)
+{
+ GSList *list;
+ int err = 0;
+ int ret = -ENODEV;
+ DBusMessage *reply;
+
+ DBG("technology %p disable", technology);
+
+ __sync_synchronize();
+ if (technology->enabled == 0) {
+ err = -EALREADY;
+ goto done;
+ }
+
+ if (technology->pending_reply != NULL) {
+ err = -EBUSY;
+ goto done;
+ }
+
+ if (technology->tethering == TRUE)
+ set_tethering(technology, FALSE);
+
+ if (msg != NULL) {
+ technology->enable_persistent = FALSE;
+ save_state(technology);
+ }
+
+ __connman_rfkill_block(technology->type, TRUE);
+
+ for (list = technology->device_list; list; list = list->next) {
+ struct connman_device *device = list->data;
+
+ err = __connman_device_disable(device);
+ if (err == 0)
+ ret = 0;
+ }
+
+done:
+ if (ret == 0) {
+ if (msg != NULL)
+ g_dbus_send_reply(connection, msg, DBUS_TYPE_INVALID);
+ return ret;
+ }
+
+ if (msg != NULL) {
+ if (err == -EINPROGRESS) {
+ technology->pending_reply = dbus_message_ref(msg);
+ technology->pending_timeout = g_timeout_add_seconds(10,
+ technology_pending_reply, technology);
+ } else {
+ reply = __connman_error_failed(msg, -err);
+ if (reply != NULL)
+ g_dbus_send_message(connection, reply);
+ }
+ }
+
+ return err;
+}
+
+static DBusMessage *set_property(DBusConnection *conn,
+ DBusMessage *msg, void *data)
+{
+ struct connman_technology *technology = data;
+ DBusMessageIter iter, value;
+ const char *name;
+ int type;
+
+ DBG("conn %p", conn);
+
+ if (dbus_message_iter_init(msg, &iter) == FALSE)
+ return __connman_error_invalid_arguments(msg);
+
+ if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
+ return __connman_error_invalid_arguments(msg);
+
+ dbus_message_iter_get_basic(&iter, &name);
+ dbus_message_iter_next(&iter);
+
+ if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
+ return __connman_error_invalid_arguments(msg);
+
+ dbus_message_iter_recurse(&iter, &value);
+
+ type = dbus_message_iter_get_arg_type(&value);
+
+ DBG("property %s", name);
+
+ if (g_str_equal(name, "Tethering") == TRUE) {
+ int err;
+ connman_bool_t tethering;
+
+ if (type != DBUS_TYPE_BOOLEAN)
+ return __connman_error_invalid_arguments(msg);
+
+ dbus_message_iter_get_basic(&value, &tethering);
+
+ if (technology->tethering == tethering)
+ return __connman_error_in_progress(msg);
+
+ err = set_tethering(technology, tethering);
+ if (err < 0)
+ return __connman_error_failed(msg, -err);
+
+ } else if (g_str_equal(name, "TetheringIdentifier") == TRUE) {
+ const char *str;
+
+ dbus_message_iter_get_basic(&value, &str);
+
+ if (technology->type != CONNMAN_SERVICE_TYPE_WIFI)
+ return __connman_error_not_supported(msg);
+
+ technology->tethering_ident = g_strdup(str);
+ } else if (g_str_equal(name, "TetheringPassphrase") == TRUE) {
+ const char *str;
+
+ dbus_message_iter_get_basic(&value, &str);
+
+ if (technology->type != CONNMAN_SERVICE_TYPE_WIFI)
+ return __connman_error_not_supported(msg);
+
+ if (strlen(str) < 8)
+ return __connman_error_invalid_arguments(msg);
+
+ technology->tethering_passphrase = g_strdup(str);
+ } else if (g_str_equal(name, "Powered") == TRUE) {
+ connman_bool_t enable;
+
+ if (type != DBUS_TYPE_BOOLEAN)
+ return __connman_error_invalid_arguments(msg);
+
+ dbus_message_iter_get_basic(&value, &enable);
+ if (enable == TRUE)
+ technology_enable(technology, msg);
+ else
+ technology_disable(technology, msg);
+
+ } else
+ return __connman_error_invalid_property(msg);
+
+ return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
+}
+
+static struct connman_technology *technology_find(enum connman_service_type type)
+{
+ GSList *list;
+
+ DBG("type %d", type);
+
+ for (list = technology_list; list; list = list->next) {
+ struct connman_technology *technology = list->data;
+
+ if (technology->type == type)
+ return technology;
+ }
+
+ return NULL;
+}
+
+static void reply_scan_pending(struct connman_technology *technology, int err)
+{
+ DBusMessage *reply;
+
+ DBG("technology %p err %d", technology, err);
+
+ while (technology->scan_pending != NULL) {
+ DBusMessage *msg = technology->scan_pending->data;
+
+ DBG("reply to %s", dbus_message_get_sender(msg));
+
+ if (err == 0)
+ reply = g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
+ else
+ reply = __connman_error_failed(msg, -err);
+ g_dbus_send_message(connection, reply);
+ dbus_message_unref(msg);
+
+ technology->scan_pending =
+ g_slist_delete_link(technology->scan_pending,
+ technology->scan_pending);
+ }
+}
+
+void __connman_technology_scan_started(struct connman_device *device)
+{
+ DBG("device %p", device);
+}
+
+void __connman_technology_scan_stopped(struct connman_device *device)
+{
+ int count = 0;
+ struct connman_technology *technology;
+ enum connman_service_type type;
+ GSList *list;
+
+ type = __connman_device_get_service_type(device);
+ technology = technology_find(type);
+
+ DBG("technology %p device %p", technology, device);
+
+ if (technology == NULL)
+ return;
+
+ for (list = technology->device_list; list != NULL; list = list->next) {
+ struct connman_device *other_device = list->data;
+
+ if (device == other_device)
+ continue;
+
+ if (__connman_device_get_service_type(other_device) != type)
+ continue;
+
+ if (connman_device_get_scanning(other_device) == TRUE)
+ count += 1;
+ }
+
+ if (count == 0)
+ reply_scan_pending(technology, 0);
+}
+
+static DBusMessage *scan(DBusConnection *conn, DBusMessage *msg, void *data)
+{
+ struct connman_technology *technology = data;
+ int err;
+
+ DBG ("technology %p request from %s", technology,
+ dbus_message_get_sender(msg));
+
+ dbus_message_ref(msg);
+ technology->scan_pending =
+ g_slist_prepend(technology->scan_pending, msg);
+
+ err = __connman_device_request_scan(technology->type);
+ if (err < 0)
+ reply_scan_pending(technology, err);
+
+ return NULL;
+}
+
+static const GDBusMethodTable technology_methods[] = {
+ { GDBUS_DEPRECATED_METHOD("GetProperties",
+ NULL, GDBUS_ARGS({ "properties", "a{sv}" }),
+ get_properties) },
+ { GDBUS_METHOD("SetProperty",
+ GDBUS_ARGS({ "name", "s" }, { "value", "v" }),
+ NULL, set_property) },
+ { GDBUS_ASYNC_METHOD("Scan", NULL, NULL, scan) },
+ { },
+};
+
+static const GDBusSignalTable technology_signals[] = {
+ { GDBUS_SIGNAL("PropertyChanged",
+ GDBUS_ARGS({ "name", "s" }, { "value", "v" })) },
+ { },
+};
+
+static struct connman_technology *technology_get(enum connman_service_type type)
+{
+ struct connman_technology *technology;
+ struct connman_technology_driver *driver = NULL;
+ const char *str;
+ GSList *list;
+ int err;
+
+ DBG("type %d", type);
+
+ str = __connman_service_type2string(type);
+ if (str == NULL)
+ return NULL;
+
+ technology = technology_find(type);
+ if (technology != NULL) {
+ __sync_fetch_and_add(&technology->refcount, 1);
+ return technology;
+ }
+
+ /* First check if we have a driver for this technology type */
+ for (list = driver_list; list; list = list->next) {
+ driver = list->data;
+
+ if (driver->type == type)
+ break;
+ else
+ driver = NULL;
+ }
+
+ if (driver == NULL) {
+ DBG("No matching driver found for %s.",
+ __connman_service_type2string(type));
+ return NULL;
+ }
+