[DBus (name = "org.example.Demo")]
public class DemoServer : Object {

	public signal void Lctest(string ff);
	
	private string _TestProp = "startval";
	public signal void TestSign(string ff);
	public string TestProp {
		owned get{
			return _TestProp;
		}
		set{
			_TestProp = value;
		}
	}
	
	private int counter;
	public int ping (string msg) {
		stdout.printf ("%s\n", msg);
		return counter++;
	}
}

public class Test {
	private DBusConnection conn;
	private int i = 0;
	
	private void on_bus_acquired(DBusConnection connection, string name) {
		print("bus acquired\n");
		try {
			conn = connection;
			var sv = new DemoServer ();
			conn.register_object ("/org/example/Demo", sv);
			Timeout.add_seconds(4, () => {
				sv.TestProp = "fff" + i.to_string(); 
				sv.Lctest("signal from server\n"); 
				i++; 
				return true;
			});
		} 
		catch(IOError e) {
			print("%s\n", e.message);
		}
	}

	private void on_name_acquired(DBusConnection connection, string name) {
		print("name acquired\n");
	}	

	private void on_name_lost(DBusConnection connection, string name) {
		print("name_lost\n");
	}

	public static void main () {
		var t = new Test();
		try {
			uint owner_id = Bus.own_name(BusType.SESSION,
							             "org.example.Demo",
							             GLib.BusNameOwnerFlags.NONE,
							             t.on_bus_acquired,
							             t.on_name_acquired,
							             t.on_name_lost);
		} 
		catch (IOError e) {
			stderr.printf ("%s\n", e.message);
		}
		new MainLoop(null, false).run();
	}
}
//$ valac --pkg gio-2.0 server.vala