X-Git-Url: http://git.maemo.org/git/?a=blobdiff_plain;f=src%2Fdevice.c;h=a2b8f6f120da5f7b0ef5290a798bea68e36be064;hb=621adb59b0fc8d576e5372ae7221aae3e055b726;hp=71e4dc2bc00d6fec15154168541bc3a8737b1b1e;hpb=4cd41ba34edb0575535c564110fcf72aa837693d;p=connman

diff --git a/src/device.c b/src/device.c
index 71e4dc2..a2b8f6f 100644
--- a/src/device.c
+++ b/src/device.c
@@ -2,7 +2,7 @@
  *
  *  Connection Manager
  *
- *  Copyright (C) 2007-2008  Intel Corporation. All rights reserved.
+ *  Copyright (C) 2007-2009  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
@@ -31,22 +31,34 @@
 struct connman_device {
 	struct connman_element element;
 	enum connman_device_type type;
+	enum connman_device_mode mode;
 	enum connman_device_policy policy;
-	gboolean powered;
-	gboolean carrier;
-	gboolean scanning;
-	char *path;
+	connman_bool_t powered;
+	connman_bool_t carrier;
+	connman_bool_t scanning;
+	connman_bool_t disconnected;
+	connman_uint8_t priority;
+	char *name;
+	char *node;
 	char *interface;
+	unsigned int connections;
 
 	struct connman_device_driver *driver;
 	void *driver_data;
 
-	GSList *networks;
+	connman_bool_t registered;
+
+	char *last_network;
+	struct connman_network *network;
+	GHashTable *networks;
 };
 
 static const char *type2description(enum connman_device_type type)
 {
 	switch (type) {
+	case CONNMAN_DEVICE_TYPE_UNKNOWN:
+	case CONNMAN_DEVICE_TYPE_VENDOR:
+		break;
 	case CONNMAN_DEVICE_TYPE_ETHERNET:
 		return "Ethernet";
 	case CONNMAN_DEVICE_TYPE_WIFI:
@@ -55,44 +67,73 @@ static const char *type2description(enum connman_device_type type)
 		return "WiMAX";
 	case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 		return "Bluetooth";
-	default:
-		return NULL;
+	case CONNMAN_DEVICE_TYPE_HSO:
+	case CONNMAN_DEVICE_TYPE_NOZOMI:
+	case CONNMAN_DEVICE_TYPE_HUAWEI:
+	case CONNMAN_DEVICE_TYPE_NOVATEL:
+		return "Cellular";
 	}
+
+	return NULL;
 }
 
 static const char *type2string(enum connman_device_type type)
 {
 	switch (type) {
+	case CONNMAN_DEVICE_TYPE_UNKNOWN:
+	case CONNMAN_DEVICE_TYPE_VENDOR:
+		break;
 	case CONNMAN_DEVICE_TYPE_ETHERNET:
 		return "ethernet";
 	case CONNMAN_DEVICE_TYPE_WIFI:
 		return "wifi";
 	case CONNMAN_DEVICE_TYPE_WIMAX:
 		return "wimax";
-	case CONNMAN_DEVICE_TYPE_MODEM:
-		return "modem";
 	case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 		return "bluetooth";
-	default:
-		return NULL;
+	case CONNMAN_DEVICE_TYPE_HSO:
+	case CONNMAN_DEVICE_TYPE_HUAWEI:
+	case CONNMAN_DEVICE_TYPE_NOZOMI:
+	case CONNMAN_DEVICE_TYPE_NOVATEL:
+		return "cellular";
 	}
+
+	return NULL;
 }
 
 static const char *policy2string(enum connman_device_policy policy)
 {
 	switch (policy) {
+	case CONNMAN_DEVICE_POLICY_UNKNOWN:
+		break;
 	case CONNMAN_DEVICE_POLICY_IGNORE:
 		return "ignore";
-	case CONNMAN_DEVICE_POLICY_AUTO:
-		return "auto";
 	case CONNMAN_DEVICE_POLICY_OFF:
 		return "off";
-	default:
-		return NULL;
+	case CONNMAN_DEVICE_POLICY_AUTO:
+		return "auto";
+	case CONNMAN_DEVICE_POLICY_MANUAL:
+		return "manual";
 	}
+
+	return NULL;
+}
+
+static enum connman_device_policy string2policy(const char *policy)
+{
+	if (g_str_equal(policy, "ignore") == TRUE)
+		return CONNMAN_DEVICE_POLICY_IGNORE;
+	else if (g_str_equal(policy, "off") == TRUE)
+		return CONNMAN_DEVICE_POLICY_OFF;
+	else if (g_str_equal(policy, "auto") == TRUE)
+		return CONNMAN_DEVICE_POLICY_AUTO;
+	else if (g_str_equal(policy, "manual") == TRUE)
+		return CONNMAN_DEVICE_POLICY_MANUAL;
+	else
+		return CONNMAN_DEVICE_POLICY_UNKNOWN;
 }
 
-static int set_powered(struct connman_device *device, gboolean powered)
+static int set_powered(struct connman_device *device, connman_bool_t powered)
 {
 	struct connman_device_driver *driver = device->driver;
 	int err;
@@ -108,6 +149,8 @@ static int set_powered(struct connman_device *device, gboolean powered)
 		else
 			err = -EINVAL;
 	} else {
+		g_hash_table_remove_all(device->networks);
+
 		if (driver->disable)
 			err = driver->disable(device);
 		else
@@ -117,16 +160,97 @@ static int set_powered(struct connman_device *device, gboolean powered)
 	return err;
 }
 
+static int set_policy(DBusConnection *connection,
+				struct connman_device *device,
+					enum connman_device_policy policy)
+{
+	DBusMessage *signal;
+	DBusMessageIter entry, value;
+	const char *str, *key = "Policy";
+	int err = 0;
+
+	DBG("device %p policy %d", device, policy);
+
+	if (device->policy == policy)
+		return 0;
+
+	switch (policy) {
+	case CONNMAN_DEVICE_POLICY_UNKNOWN:
+		return -EINVAL;
+	case CONNMAN_DEVICE_POLICY_IGNORE:
+		break;
+	case CONNMAN_DEVICE_POLICY_OFF:
+		if (device->powered == TRUE)
+			err = set_powered(device, FALSE);
+		break;
+	case CONNMAN_DEVICE_POLICY_AUTO:
+	case CONNMAN_DEVICE_POLICY_MANUAL:
+		if (device->powered == FALSE)
+			err = set_powered(device, TRUE);
+		break;
+	}
+
+	if (err < 0)
+		return err;
+
+	device->policy = policy;
+
+	signal = dbus_message_new_signal(device->element.path,
+				CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
+	if (signal == NULL)
+		return 0;
+
+	dbus_message_iter_init_append(signal, &entry);
+
+	dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
+
+	str = policy2string(policy);
+
+	dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
+					DBUS_TYPE_STRING_AS_STRING, &value);
+	dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &str);
+	dbus_message_iter_close_container(&entry, &value);
+
+	g_dbus_send_message(connection, signal);
+
+	return 0;
+}
+
+static void append_networks(struct connman_device *device,
+						DBusMessageIter *entry)
+{
+	DBusMessageIter value, iter;
+	const char *key = "Networks";
+
+	dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
+
+	dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
+		DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
+								&value);
+
+	dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
+				DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
+	__connman_element_list((struct connman_element *) device,
+					CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
+	dbus_message_iter_close_container(&value, &iter);
+
+	dbus_message_iter_close_container(entry, &value);
+}
+
 static DBusMessage *get_properties(DBusConnection *conn,
 					DBusMessage *msg, void *data)
 {
 	struct connman_device *device = data;
 	DBusMessage *reply;
-	DBusMessageIter array, dict;
+	DBusMessageIter array, dict, entry;
 	const char *str;
 
 	DBG("conn %p", conn);
 
+	if (__connman_security_check_privilege(msg,
+					CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
+		return __connman_error_permission_denied(msg);
+
 	reply = dbus_message_new_method_return(msg);
 	if (reply == NULL)
 		return NULL;
@@ -161,6 +285,10 @@ static DBusMessage *get_properties(DBusConnection *conn,
 		connman_dbus_dict_append_variant(&dict, "Policy",
 						DBUS_TYPE_STRING, &str);
 
+	if (device->priority > 0)
+		connman_dbus_dict_append_variant(&dict, "Priority",
+					DBUS_TYPE_BYTE, &device->priority);
+
 	connman_dbus_dict_append_variant(&dict, "Powered",
 					DBUS_TYPE_BOOLEAN, &device->powered);
 
@@ -168,6 +296,21 @@ static DBusMessage *get_properties(DBusConnection *conn,
 		connman_dbus_dict_append_variant(&dict, "Scanning",
 					DBUS_TYPE_BOOLEAN, &device->scanning);
 
+	switch (device->mode) {
+	case CONNMAN_DEVICE_MODE_UNKNOWN:
+		break;
+	case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
+		__connman_element_append_ipv4(&device->element, &dict);
+		break;
+	case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
+	case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
+		dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
+								NULL, &entry);
+		append_networks(device, &entry);
+		dbus_message_iter_close_container(&dict, &entry);
+		break;
+	}
+
 	dbus_message_iter_close_container(&array, &dict);
 
 	return reply;
@@ -179,6 +322,7 @@ static DBusMessage *set_property(DBusConnection *conn,
 	struct connman_device *device = data;
 	DBusMessageIter iter, value;
 	const char *name;
+	int type;
 
 	DBG("conn %p", conn);
 
@@ -189,13 +333,19 @@ static DBusMessage *set_property(DBusConnection *conn,
 	dbus_message_iter_next(&iter);
 	dbus_message_iter_recurse(&iter, &value);
 
-	if (__connman_security_check_privileges(msg) < 0)
+	if (__connman_security_check_privilege(msg,
+					CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 		return __connman_error_permission_denied(msg);
 
+	type = dbus_message_iter_get_arg_type(&value);
+
 	if (g_str_equal(name, "Powered") == TRUE) {
-		gboolean powered;
+		connman_bool_t powered;
 		int err;
 
+		if (type != DBUS_TYPE_BOOLEAN)
+			return __connman_error_invalid_arguments(msg);
+
 		dbus_message_iter_get_basic(&value, &powered);
 
 		if (device->powered == powered)
@@ -204,9 +354,45 @@ static DBusMessage *set_property(DBusConnection *conn,
 		err = set_powered(device, powered);
 		if (err < 0 && err != -EINPROGRESS)
 			return __connman_error_failed(msg);
+	} else if (g_str_equal(name, "Policy") == TRUE) {
+		enum connman_device_policy policy;
+		const char *str;
+		int err;
+
+		if (type != DBUS_TYPE_STRING)
+			return __connman_error_invalid_arguments(msg);
+
+		dbus_message_iter_get_basic(&value, &str);
+		policy = string2policy(str);
+		if (policy == CONNMAN_DEVICE_POLICY_UNKNOWN)
+			return __connman_error_invalid_arguments(msg);
+
+		err = set_policy(conn, device, policy);
+		if (err < 0)
+			return __connman_error_failed(msg);
+	} else if (g_str_equal(name, "Priority") == TRUE) {
+		connman_uint8_t priority;
+
+		if (type != DBUS_TYPE_BYTE)
+			return __connman_error_invalid_arguments(msg);
+
+		dbus_message_iter_get_basic(&value, &priority);
+
+		device->priority = priority;
+	} else if (g_str_has_prefix(name, "IPv4") == TRUE) {
+		switch (device->mode) {
+		case CONNMAN_DEVICE_MODE_UNKNOWN:
+		case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
+		case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
+			return __connman_error_invalid_arguments(msg);
+		case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
+			__connman_element_set_ipv4(&device->element,
+								name, &value);
+			break;
+		}
 	}
 
-	__connman_element_store(&device->element);
+	__connman_storage_save_device(device);
 
 	return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 }
@@ -216,7 +402,8 @@ static DBusMessage *create_network(DBusConnection *conn,
 {
 	DBG("conn %p", conn);
 
-	if (__connman_security_check_privileges(msg) < 0)
+	if (__connman_security_check_privilege(msg,
+					CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 		return __connman_error_permission_denied(msg);
 
 	return __connman_error_invalid_arguments(msg);
@@ -227,7 +414,8 @@ static DBusMessage *remove_network(DBusConnection *conn,
 {
 	DBG("conn %p", conn);
 
-	if (__connman_security_check_privileges(msg) < 0)
+	if (__connman_security_check_privilege(msg,
+					CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 		return __connman_error_permission_denied(msg);
 
 	return __connman_error_invalid_arguments(msg);
@@ -236,9 +424,31 @@ static DBusMessage *remove_network(DBusConnection *conn,
 static DBusMessage *propose_scan(DBusConnection *conn,
 					DBusMessage *msg, void *data)
 {
+	struct connman_device *device = data;
+	int err;
+
 	DBG("conn %p", conn);
 
-	return __connman_error_not_supported(msg);
+	switch (device->mode) {
+	case CONNMAN_DEVICE_MODE_UNKNOWN:
+	case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
+		return __connman_error_not_supported(msg);
+	case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
+	case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
+		break;
+	}
+
+	if (!device->driver || !device->driver->scan)
+		return __connman_error_not_supported(msg);
+
+	if (device->powered == FALSE)
+		return __connman_error_failed(msg);
+
+	err = device->driver->scan(device);
+	if (err < 0)
+		return __connman_error_failed(msg);
+
+	return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 }
 
 static GDBusMethodTable device_methods[] = {
@@ -257,12 +467,47 @@ static GDBusSignalTable device_signals[] = {
 
 static DBusConnection *connection;
 
+static void append_devices(DBusMessageIter *entry)
+{
+	DBusMessageIter value, iter;
+	const char *key = "Devices";
+
+	dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
+
+	dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
+		DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
+								&value);
+
+	dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
+				DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
+	__connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
+	dbus_message_iter_close_container(&value, &iter);
+
+	dbus_message_iter_close_container(entry, &value);
+}
+
+static void emit_devices_signal(void)
+{
+	DBusMessage *signal;
+	DBusMessageIter entry;
+
+	signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
+				CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
+	if (signal == NULL)
+		return;
+
+	dbus_message_iter_init_append(signal, &entry);
+
+	append_devices(&entry);
+
+	g_dbus_send_message(connection, signal);
+}
+
 static int register_interface(struct connman_element *element)
 {
 	struct connman_device *device = element->device;
 
-	g_dbus_unregister_interface(connection, element->path,
-						CONNMAN_DEVICE_INTERFACE);
+	DBG("element %p name %s", element, element->name);
 
 	if (g_dbus_register_interface(connection, element->path,
 					CONNMAN_DEVICE_INTERFACE,
@@ -272,15 +517,132 @@ static int register_interface(struct connman_element *element)
 		return -EIO;
 	}
 
+	device->registered = TRUE;
+
+	emit_devices_signal();
+
 	return 0;
 }
 
 static void unregister_interface(struct connman_element *element)
 {
+	struct connman_device *device = element->device;
+
+	DBG("element %p name %s", element, element->name);
+
+	device->registered = FALSE;
+
+	emit_devices_signal();
+
 	g_dbus_unregister_interface(connection, element->path,
 						CONNMAN_DEVICE_INTERFACE);
 }
 
+static void device_enable(struct connman_device *device)
+{
+	DBG("device %p", device);
+
+	if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE ||
+				device->policy == CONNMAN_DEVICE_POLICY_OFF)
+		return;
+
+	if (device->powered == TRUE)
+		return;
+
+	if (device->driver->enable)
+		device->driver->enable(device);
+}
+
+static void device_disable(struct connman_device *device)
+{
+	DBG("device %p", device);
+
+	if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE)
+		return;
+
+	if (device->powered == FALSE)
+		return;
+
+	g_hash_table_remove_all(device->networks);
+
+	if (device->driver->disable)
+		device->driver->disable(device);
+}
+
+static int setup_device(struct connman_device *device)
+{
+	int err;
+
+	DBG("device %p", device);
+
+	err = register_interface(&device->element);
+	if (err < 0) {
+		if (device->driver->remove)
+			device->driver->remove(device);
+		device->driver = NULL;
+		return err;
+	}
+
+	device_enable(device);
+
+	return 0;
+}
+
+static void probe_driver(struct connman_element *element, gpointer user_data)
+{
+	struct connman_device_driver *driver = user_data;
+
+	DBG("element %p name %s", element, element->name);
+
+	if (element->device == NULL)
+		return;
+
+	if (element->device->driver != NULL)
+		return;
+
+	if (driver->probe(element->device) < 0)
+		return;
+
+	element->device->driver = driver;
+
+	setup_device(element->device);
+}
+
+static void remove_device(struct connman_device *device)
+{
+	DBG("device %p", device);
+
+	device_disable(device);
+
+	unregister_interface(&device->element);
+
+	if (device->driver->remove)
+		device->driver->remove(device);
+
+	device->driver = NULL;
+}
+
+static void remove_driver(struct connman_element *element, gpointer user_data)
+{
+	struct connman_device_driver *driver = user_data;
+
+	DBG("element %p name %s", element, element->name);
+
+	if (element->device == NULL)
+		return;
+
+	if (element->device->driver == driver)
+		remove_device(element->device);
+}
+
+connman_bool_t __connman_device_has_driver(struct connman_device *device)
+{
+	if (device == NULL || device->driver == NULL)
+		return FALSE;
+
+	return device->registered;
+}
+
 static GSList *driver_list = NULL;
 
 static gint compare_priority(gconstpointer a, gconstpointer b)
@@ -306,7 +668,8 @@ int connman_device_driver_register(struct connman_device_driver *driver)
 	driver_list = g_slist_insert_sorted(driver_list, driver,
 							compare_priority);
 
-	//__connman_driver_rescan(&device_driver);
+	__connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
+						probe_driver, driver);
 
 	return 0;
 }
@@ -322,6 +685,20 @@ void connman_device_driver_unregister(struct connman_device_driver *driver)
 	DBG("driver %p name %s", driver, driver->name);
 
 	driver_list = g_slist_remove(driver_list, driver);
+
+	__connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
+						remove_driver, driver);
+}
+
+static void unregister_network(gpointer data)
+{
+	struct connman_network *network = data;
+
+	DBG("network %p", network);
+
+	connman_element_unregister((struct connman_element *) network);
+
+	connman_network_unref(network);
 }
 
 static void device_destruct(struct connman_element *element)
@@ -330,7 +707,14 @@ static void device_destruct(struct connman_element *element)
 
 	DBG("element %p name %s", element, element->name);
 
+	g_free(device->node);
+	g_free(device->name);
 	g_free(device->interface);
+
+	g_free(device->last_network);
+
+	g_hash_table_destroy(device->networks);
+	device->networks = NULL;
 }
 
 /**
@@ -346,6 +730,7 @@ struct connman_device *connman_device_create(const char *node,
 						enum connman_device_type type)
 {
 	struct connman_device *device;
+	const char *str;
 
 	DBG("node %s type %d", node, type);
 
@@ -355,16 +740,51 @@ struct connman_device *connman_device_create(const char *node,
 
 	DBG("device %p", device);
 
+	__connman_element_initialize(&device->element);
+
 	device->element.name = g_strdup(node);
 	device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
-	device->element.index = -1;
 
 	device->element.device = device;
 	device->element.destruct = device_destruct;
 
-	device->type = type;
+	str = type2string(type);
+	if (str != NULL)
+		connman_element_set_static_property(&device->element,
+					"Type", DBUS_TYPE_STRING, &str);
+
+	device->element.ipv4.method = CONNMAN_IPV4_METHOD_DHCP;
+
+	device->type   = type;
+	device->mode   = CONNMAN_DEVICE_MODE_UNKNOWN;
 	device->policy = CONNMAN_DEVICE_POLICY_AUTO;
 
+	switch (type) {
+	case CONNMAN_DEVICE_TYPE_UNKNOWN:
+	case CONNMAN_DEVICE_TYPE_VENDOR:
+		device->priority = 0;
+		break;
+	case CONNMAN_DEVICE_TYPE_ETHERNET:
+	case CONNMAN_DEVICE_TYPE_WIFI:
+		device->priority = 100;
+		break;
+	case CONNMAN_DEVICE_TYPE_WIMAX:
+		device->priority = 20;
+		break;
+	case CONNMAN_DEVICE_TYPE_BLUETOOTH:
+		device->priority = 50;
+		break;
+	case CONNMAN_DEVICE_TYPE_HSO:
+	case CONNMAN_DEVICE_TYPE_NOZOMI:
+	case CONNMAN_DEVICE_TYPE_HUAWEI:
+	case CONNMAN_DEVICE_TYPE_NOVATEL:
+		device->priority = 60;
+		break;
+	}
+
+	device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
+						g_free, unregister_network);
+
 	return device;
 }
 
@@ -394,19 +814,14 @@ void connman_device_unref(struct connman_device *device)
 }
 
 /**
- * connman_device_set_path:
+ * connman_device_get_name:
  * @device: device structure
- * @path: path name
  *
- * Set path name of device
+ * Get unique name of device
  */
-void connman_device_set_path(struct connman_device *device, const char *path)
+const char *connman_device_get_name(struct connman_device *device)
 {
-	g_free(device->element.devpath);
-	device->element.devpath = g_strdup(path);
-
-	g_free(device->path);
-	device->path = g_strdup(path);
+	return device->element.name;
 }
 
 /**
@@ -417,7 +832,7 @@ void connman_device_set_path(struct connman_device *device, const char *path)
  */
 const char *connman_device_get_path(struct connman_device *device)
 {
-	return device->path;
+	return device->element.path;
 }
 
 /**
@@ -472,6 +887,43 @@ const char *connman_device_get_interface(struct connman_device *device)
 }
 
 /**
+ * connman_device_set_policy:
+ * @device: device structure
+ * @policy: power and connection policy
+ *
+ * Change power and connection policy of device
+ */
+void connman_device_set_policy(struct connman_device *device,
+					enum connman_device_policy policy)
+{
+	device->policy = policy;
+}
+
+/**
+ * connman_device_set_mode:
+ * @device: device structure
+ * @mode: network mode
+ *
+ * Change network mode of device
+ */
+void connman_device_set_mode(struct connman_device *device,
+						enum connman_device_mode mode)
+{
+	device->mode = mode;
+}
+
+/**
+ * connman_device_get_mode:
+ * @device: device structure
+ *
+ * Get network mode of device
+ */
+enum connman_device_mode connman_device_get_mode(struct connman_device *device)
+{
+	return device->mode;
+}
+
+/**
  * connman_device_set_powered:
  * @device: device structure
  * @powered: powered state
@@ -479,7 +931,7 @@ const char *connman_device_get_interface(struct connman_device *device)
  * Change power state of device
  */
 int connman_device_set_powered(struct connman_device *device,
-							gboolean powered)
+						connman_bool_t powered)
 {
 	DBusMessage *signal;
 	DBusMessageIter entry, value;
@@ -508,6 +960,15 @@ int connman_device_set_powered(struct connman_device *device,
 
 	g_dbus_send_message(connection, signal);
 
+	if (powered == FALSE)
+		return 0;
+
+	if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
+		return 0;
+
+	if (device->driver->scan)
+		device->driver->scan(device);
+
 	return 0;
 }
 
@@ -519,15 +980,18 @@ int connman_device_set_powered(struct connman_device *device,
  * Change carrier state of device (only for device without scanning)
  */
 int connman_device_set_carrier(struct connman_device *device,
-							gboolean carrier)
+						connman_bool_t carrier)
 {
 	DBG("driver %p carrier %d", device, carrier);
 
-	if (!device->driver)
-		return -EINVAL;
-
-	if (device->driver->scan)
+	switch (device->mode) {
+	case CONNMAN_DEVICE_MODE_UNKNOWN:
+	case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
+	case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 		return -EINVAL;
+	case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
+		break;
+	}
 
 	if (device->carrier == carrier)
 		return -EALREADY;
@@ -535,13 +999,25 @@ int connman_device_set_carrier(struct connman_device *device,
 	device->carrier = carrier;
 
 	if (carrier == TRUE) {
+		enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 		struct connman_element *element;
 
+		switch (device->element.ipv4.method) {
+		case CONNMAN_IPV4_METHOD_UNKNOWN:
+		case CONNMAN_IPV4_METHOD_OFF:
+			return 0;
+		case CONNMAN_IPV4_METHOD_STATIC:
+			type = CONNMAN_ELEMENT_TYPE_IPV4;
+			break;
+		case CONNMAN_IPV4_METHOD_DHCP:
+			type = CONNMAN_ELEMENT_TYPE_DHCP;
+			break;
+		}
+
 		element = connman_element_create(NULL);
 		if (element != NULL) {
-			element->type    = CONNMAN_ELEMENT_TYPE_DEVICE;
-			element->subtype = CONNMAN_ELEMENT_SUBTYPE_NETWORK;
-			element->index   = device->element.index;
+			element->type  = type;
+			element->index = device->element.index;
 
 			if (connman_element_register(element,
 							&device->element) < 0)
@@ -553,15 +1029,127 @@ int connman_device_set_carrier(struct connman_device *device,
 	return 0;
 }
 
-/**
- * connman_device_set_scanning:
+void __connman_device_disconnect(struct connman_device *device)
+{
+	GHashTableIter iter;
+	gpointer key, value;
+
+	DBG("device %p", device);
+
+	connman_device_set_disconnected(device, TRUE);
+
+	g_hash_table_iter_init(&iter, device->networks);
+
+	while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
+		struct connman_network *network = value;
+
+		if (connman_network_get_connected(network) == TRUE)
+			__connman_network_disconnect(network);
+	}
+}
+
+static void connect_known_network(struct connman_device *device)
+{
+	struct connman_network *network = NULL;
+	GHashTableIter iter;
+	gpointer key, value;
+	unsigned int count = 0;
+
+	DBG("device %p", device);
+
+	g_hash_table_iter_init(&iter, device->networks);
+
+	while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
+		connman_uint8_t old_priority, new_priority;
+		connman_uint8_t old_strength, new_strength;
+		const char *name;
+
+		count++;
+
+		name = connman_network_get_string(value, "Name");
+		if (name != NULL && device->last_network != NULL) {
+			if (g_str_equal(name, device->last_network) == TRUE) {
+				network = value;
+				break;
+			}
+		}
+
+		if (connman_network_get_remember(value) == FALSE)
+			continue;
+
+		if (network == NULL) {
+			network = value;
+			continue;
+		}
+
+		old_priority = connman_network_get_uint8(network, "Priority");
+		new_priority = connman_network_get_uint8(value, "Priority");
+
+		if (new_priority != old_priority) {
+			if (new_priority > old_priority)
+				network = value;
+			continue;
+		}
+
+		old_strength = connman_network_get_uint8(network, "Strength");
+		new_strength = connman_network_get_uint8(value, "Strength");
+
+		if (new_strength > old_strength)
+			network = value;
+	}
+
+	if (network != NULL) {
+		int err;
+
+		err = connman_network_connect(network);
+		if (err == 0 || err == -EINPROGRESS)
+			return;
+	}
+
+	if (count > 0)
+		return;
+
+	if (device->driver && device->driver->scan)
+		device->driver->scan(device);
+}
+
+static void mark_network_unavailable(gpointer key, gpointer value,
+							gpointer user_data)
+{
+	struct connman_network *network = value;
+
+	if (connman_network_get_connected(network) == TRUE)
+		return;
+
+	connman_network_set_available(network, FALSE);
+}
+
+static gboolean remove_unavailable_network(gpointer key, gpointer value,
+							gpointer user_data)
+{
+	struct connman_network *network = value;
+
+	if (connman_network_get_connected(network) == TRUE)
+		return FALSE;
+
+	if (connman_network_get_remember(network) == TRUE)
+		return FALSE;
+
+	if (connman_network_get_available(network) == TRUE)
+		return FALSE;
+
+	return TRUE;
+}
+
+/**
+ * connman_device_set_scanning:
  * @device: device structure
  * @scanning: scanning state
  *
  * Change scanning state of device
  */
 int connman_device_set_scanning(struct connman_device *device,
-							gboolean scanning)
+						connman_bool_t scanning)
 {
 	DBusMessage *signal;
 	DBusMessageIter entry, value;
@@ -569,10 +1157,7 @@ int connman_device_set_scanning(struct connman_device *device,
 
 	DBG("driver %p scanning %d", device, scanning);
 
-	if (!device->driver)
-		return -EINVAL;
-
-	if (!device->driver->scan)
+	if (!device->driver || !device->driver->scan)
 		return -EINVAL;
 
 	if (device->scanning == scanning)
@@ -596,10 +1181,228 @@ int connman_device_set_scanning(struct connman_device *device,
 
 	g_dbus_send_message(connection, signal);
 
+	if (scanning == TRUE) {
+		g_hash_table_foreach(device->networks,
+					mark_network_unavailable, NULL);
+		return 0;
+	}
+
+	g_hash_table_foreach_remove(device->networks,
+					remove_unavailable_network, NULL);
+
+	if (device->connections > 0)
+		return 0;
+
+	if (device->disconnected == TRUE)
+		return 0;
+
+	if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
+		return 0;
+
+	connect_known_network(device);
+
+	return 0;
+}
+
+/**
+ * connman_device_set_disconnected:
+ * @device: device structure
+ * @disconnected: disconnected state
+ *
+ * Change disconnected state of device (only for device with networks)
+ */
+int connman_device_set_disconnected(struct connman_device *device,
+						connman_bool_t disconnected)
+{
+	DBG("driver %p disconnected %d", device, disconnected);
+
+	switch (device->mode) {
+	case CONNMAN_DEVICE_MODE_UNKNOWN:
+	case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
+		return -EINVAL;
+	case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
+	case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
+		break;
+	}
+
+	if (device->disconnected == disconnected)
+		return -EALREADY;
+
+	device->disconnected = disconnected;
+
+	return 0;
+}
+
+/**
+ * connman_device_set_string:
+ * @device: device structure
+ * @key: unique identifier
+ * @value: string value
+ *
+ * Set string value for specific key
+ */
+int connman_device_set_string(struct connman_device *device,
+					const char *key, const char *value)
+{
+	DBG("device %p key %s value %s", device, key, value);
+
+	if (g_str_equal(key, "Name") == TRUE) {
+		g_free(device->name);
+		device->name = g_strdup(value);
+	} else if (g_str_equal(key, "Node") == TRUE) {
+		g_free(device->node);
+		device->node = g_strdup(value);
+	}
+
+	return 0;
+}
+
+/**
+ * connman_device_get_string:
+ * @device: device structure
+ * @key: unique identifier
+ *
+ * Get string value for specific key
+ */
+const char *connman_device_get_string(struct connman_device *device,
+							const char *key)
+{
+	DBG("device %p key %s", device, key);
+
+	if (g_str_equal(key, "Name") == TRUE)
+		return device->name;
+	else if (g_str_equal(key, "Node") == TRUE)
+		return device->node;
+
+	return NULL;
+}
+
+static void set_offlinemode(struct connman_element *element, gpointer user_data)
+{
+	struct connman_device *device = element->device;
+	connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
+	connman_bool_t powered;
+
+	DBG("element %p name %s", element, element->name);
+
+	if (device == NULL)
+		return;
+
+	powered = (offlinemode == TRUE) ? FALSE : TRUE;
+
+	if (device->powered == powered)
+		return;
+
+	set_powered(device, powered);
+}
+
+int __connman_device_set_offlinemode(connman_bool_t offlinemode)
+{
+	DBG("offlinmode %d", offlinemode);
+
+	__connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
+			set_offlinemode, GUINT_TO_POINTER(offlinemode));
+
+	return 0;
+}
+
+void __connman_device_increase_connections(struct connman_device *device)
+{
+	device->connections++;
+}
+
+void __connman_device_decrease_connections(struct connman_device *device)
+{
+	device->connections--;
+}
+
+/**
+ * connman_device_add_network:
+ * @device: device structure
+ * @network: network structure
+ *
+ * Add new network to the device
+ */
+int connman_device_add_network(struct connman_device *device,
+					struct connman_network *network)
+{
+	const char *identifier = connman_network_get_identifier(network);
+	int err;
+
+	DBG("device %p network %p", device, network);
+
+	switch (device->mode) {
+	case CONNMAN_DEVICE_MODE_UNKNOWN:
+	case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
+		return -EINVAL;
+	case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
+	case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
+		break;
+	}
+
+	__connman_network_set_device(network, device);
+
+	__connman_storage_load_network(network);
+
+	err = connman_element_register((struct connman_element *) network,
+							&device->element);
+	if (err < 0) {
+		__connman_network_set_device(network, NULL);
+		return err;
+	}
+
+	g_hash_table_insert(device->networks, g_strdup(identifier),
+								network);
+
 	return 0;
 }
 
 /**
+ * connman_device_get_network:
+ * @device: device structure
+ * @identifier: network identifier
+ *
+ * Get network for given identifier
+ */
+struct connman_network *connman_device_get_network(struct connman_device *device,
+							const char *identifier)
+{
+	DBG("device %p identifier %s", device, identifier);
+
+	return g_hash_table_lookup(device->networks, identifier);
+}
+
+/**
+ * connman_device_remove_network:
+ * @device: device structure
+ * @identifier: network identifier
+ *
+ * Remove network for given identifier
+ */
+int connman_device_remove_network(struct connman_device *device,
+							const char *identifier)
+{
+	DBG("device %p identifier %s", device, identifier);
+
+	g_hash_table_remove(device->networks, identifier);
+
+	return 0;
+}
+
+void __connman_device_set_network(struct connman_device *device,
+					struct connman_network *network)
+{
+	const char *name;
+
+	if (network != NULL) {
+		name = connman_network_get_string(network, "Name");
+		device->last_network = g_strdup(name);
+	}
+
+	device->network = network;
+}
+
+/**
  * connman_device_register:
  * @device: device structure
  *
@@ -607,6 +1410,18 @@ int connman_device_set_scanning(struct connman_device *device,
  */
 int connman_device_register(struct connman_device *device)
 {
+	__connman_storage_load_device(device);
+
+	switch (device->mode) {
+	case CONNMAN_DEVICE_MODE_UNKNOWN:
+	case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
+		break;
+	case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
+	case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
+		__connman_storage_init_network(device);
+		break;
+	}
+
 	return connman_element_register(&device->element, NULL);
 }
 
@@ -618,6 +1433,8 @@ int connman_device_register(struct connman_device *device)
  */
 void connman_device_unregister(struct connman_device *device)
 {
+	__connman_storage_save_device(device);
+
 	connman_element_unregister(&device->element);
 }
 
@@ -644,34 +1461,6 @@ void connman_device_set_data(struct connman_device *device, void *data)
 	device->driver_data = data;
 }
 
-static void device_enable(struct connman_device *device)
-{
-	DBG("device %p", device);
-
-	if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
-		return;
-
-	if (device->powered == TRUE)
-		return;
-
-	if (device->driver->enable)
-		device->driver->enable(device);
-}
-
-static void device_disable(struct connman_device *device)
-{
-	DBG("device %p", device);
-
-	if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
-		return;
-
-	if (device->powered == FALSE)
-		return;
-
-	if (device->driver->disable)
-		device->driver->disable(device);
-}
-
 static gboolean match_driver(struct connman_device *device,
 					struct connman_device_driver *driver)
 {
@@ -686,16 +1475,14 @@ static int device_probe(struct connman_element *element)
 {
 	struct connman_device *device = element->device;
 	GSList *list;
-	int err;
 
 	DBG("element %p name %s", element, element->name);
 
 	if (device == NULL)
 		return -ENODEV;
 
-	err = register_interface(element);
-	if (err < 0)
-		return err;
+	if (device->driver != NULL)
+		return -EALREADY;
 
 	for (list = driver_list; list; list = list->next) {
 		struct connman_device_driver *driver = list->data;
@@ -707,12 +1494,14 @@ static int device_probe(struct connman_element *element)
 
 		if (driver->probe(device) == 0) {
 			device->driver = driver;
-			device_enable(device);
 			break;
 		}
 	}
 
-	return 0;
+	if (device->driver == NULL)
+		return -ENODEV;
+
+	return setup_device(device);
 }
 
 static void device_remove(struct connman_element *element)
@@ -724,14 +1513,10 @@ static void device_remove(struct connman_element *element)
 	if (device == NULL)
 		return;
 
-	unregister_interface(element);
-
-	if (device->driver) {
-		device_disable(device);
+	if (device->driver == NULL)
+		return;
 
-		if (device->driver->remove)
-			device->driver->remove(device);
-	}
+	remove_device(device);
 }
 
 static struct connman_driver device_driver = {
@@ -742,12 +1527,132 @@ static struct connman_driver device_driver = {
 	.remove		= device_remove,
 };
 
+static int device_load(struct connman_device *device)
+{
+	GKeyFile *keyfile;
+	gchar *pathname, *data = NULL;
+	gsize length;
+	char *str;
+	int val;
+
+	DBG("device %p", device);
+
+	pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
+							device->element.name);
+	if (pathname == NULL)
+		return -ENOMEM;
+
+	keyfile = g_key_file_new();
+
+	if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
+		g_free(pathname);
+		return -ENOENT;
+	}
+
+	g_free(pathname);
+
+	if (g_key_file_load_from_data(keyfile, data, length,
+							0, NULL) == FALSE) {
+		g_free(data);
+		return -EILSEQ;
+	}
+
+	g_free(data);
+
+	str = g_key_file_get_string(keyfile, "Configuration", "Policy", NULL);
+	if (str != NULL) {
+		device->policy = string2policy(str);
+		g_free(str);
+	}
+
+	val = g_key_file_get_integer(keyfile, "Configuration",
+							"Priority", NULL);
+	if (val > 0)
+		device->priority = val;
+
+	str = g_key_file_get_string(keyfile, "Configuration",
+							"LastNetwork", NULL);
+	if (str != NULL)
+		device->last_network = str;
+
+	g_key_file_free(keyfile);
+
+	return 0;
+}
+
+static int device_save(struct connman_device *device)
+{
+	GKeyFile *keyfile;
+	gchar *pathname, *data = NULL;
+	gsize length;
+	const char *str;
+
+	DBG("device %p", device);
+
+	pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
+							device->element.name);
+	if (pathname == NULL)
+		return -ENOMEM;
+
+	keyfile = g_key_file_new();
+
+	if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
+		goto update;
+
+	if (length > 0) {
+		if (g_key_file_load_from_data(keyfile, data, length,
+							0, NULL) == FALSE)
+			goto done;
+	}
+
+	g_free(data);
+
+update:
+	str = policy2string(device->policy);
+	if (str != NULL)
+		g_key_file_set_string(keyfile, "Configuration", "Policy", str);
+
+	if (device->priority > 0)
+		g_key_file_set_integer(keyfile, "Configuration",
+						"Priority", device->priority);
+
+	if (device->last_network != NULL)
+		g_key_file_set_string(keyfile, "Configuration",
+					"LastNetwork", device->last_network);
+
+	data = g_key_file_to_data(keyfile, &length, NULL);
+
+	g_file_set_contents(pathname, data, length, NULL);
+
+done:
+	g_free(data);
+
+	g_key_file_free(keyfile);
+
+	g_free(pathname);
+
+	if (device->network != NULL)
+		__connman_storage_save_network(device->network);
+
+	return 0;
+}
+
+static struct connman_storage device_storage = {
+	.name		= "device",
+	.priority	= CONNMAN_STORAGE_PRIORITY_LOW,
+	.device_load	= device_load,
+	.device_save	= device_save,
+};
+
 int __connman_device_init(void)
 {
 	DBG("");
 
 	connection = connman_dbus_get_connection();
 
+	if (connman_storage_register(&device_storage) < 0)
+		connman_error("Failed to register device storage");
+
 	return connman_driver_register(&device_driver);
 }
 
@@ -757,5 +1662,7 @@ void __connman_device_cleanup(void)
 
 	connman_driver_unregister(&device_driver);
 
+	connman_storage_unregister(&device_storage);
+
 	dbus_connection_unref(connection);
 }