A Simple TCP Server - in Vala this time

/* compile with: valac server.vala --pkg gio-2.0 */

async void handleConnection(GLib.SocketConnection connection) throws GLib.IOError
{
    while (true) {
        var buffer = new uint8[1024];
    yield connection.input_stream.read_async(buffer);
    stdout.printf("%s", (string)buffer);
    }
}
async void server() throws GLib.Error
{
    var listener = new GLib.SocketListener();
    listener.add_inet_port(5555, null);
    while(true) {
        var connection = yield listener.accept_async();
    handleConnection.begin(connection);
    }
}
int main()
{
    var loop = new GLib.MainLoop(null, false);
    server.begin();
    loop.run();
    return 0;
}