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/*
 *
 *  Connection Manager
 *
 *  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
 *  published by the Free Software Foundation.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <gdbus.h>

#include "connman.h"

static DBusMessage *get_properties(DBusConnection *conn,
					DBusMessage *msg, void *data)
{
	DBusMessage *reply;
	DBusMessageIter array, dict;

	DBG("conn %p", conn);

	reply = dbus_message_new_method_return(msg);
	if (reply == NULL)
		return NULL;

	dbus_message_iter_init_append(reply, &array);

	dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
			DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
			DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
			DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);

	dbus_message_iter_close_container(&array, &dict);

	return reply;
}

static DBusMessage *set_property(DBusConnection *conn,
					DBusMessage *msg, void *data)
{
	DBusMessageIter iter, value;
	const char *name;

	DBG("conn %p", conn);

	if (dbus_message_iter_init(msg, &iter) == FALSE)
		return __connman_error_invalid_arguments(msg);

	dbus_message_iter_get_basic(&iter, &name);
	dbus_message_iter_next(&iter);
	dbus_message_iter_recurse(&iter, &value);

	if (__connman_security_check_privileges(msg) < 0)
		return __connman_error_permission_denied(msg);

	return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
}

static GDBusMethodTable connection_methods[] = {
	{ "GetProperties", "",   "a{sv}", get_properties },
	{ "SetProperty",   "sv", "",      set_property   },
	{ },
};

static GDBusSignalTable connection_signals[] = {
	{ "PropertyChanged", "sv" },
	{ },
};

static DBusConnection *connection;

static void emit_connections_signal(void)
{
}

static int register_interface(struct connman_element *element)
{
	DBG("element %p name %s", element, element->name);

	if (g_dbus_register_interface(connection, element->path,
					CONNMAN_CONNECTION_INTERFACE,
					connection_methods, connection_signals,
					NULL, element, NULL) == FALSE) {
		connman_error("Failed to register %s connection", element->path);
		return -EIO;
	}

	emit_connections_signal();

	return 0;
}

static void unregister_interface(struct connman_element *element)
{
	DBG("element %p name %s", element, element->name);

	emit_connections_signal();

	g_dbus_unregister_interface(connection, element->path,
						CONNMAN_CONNECTION_INTERFACE);
}

static int connection_probe(struct connman_element *element)
{
	DBG("element %p name %s", element, element->name);

	return register_interface(element);
}

static void connection_remove(struct connman_element *element)
{
	DBG("element %p name %s", element, element->name);

	unregister_interface(element);
}

static struct connman_driver connection_driver = {
	.name		= "connection",
	.type		= CONNMAN_ELEMENT_TYPE_CONNECTION,
	.priority	= CONNMAN_DRIVER_PRIORITY_LOW,
	.probe		= connection_probe,
	.remove		= connection_remove,
};

int __connman_connection_init(void)
{
	DBG("");

	connection = connman_dbus_get_connection();

	return connman_driver_register(&connection_driver);
}

void __connman_connection_cleanup(void)
{
	DBG("");

	connman_driver_unregister(&connection_driver);

	dbus_connection_unref(connection);
}