}
        while ( si < arr.length );

        if ( binding == null || binding.getEndpoint() == null )
            throw new DcerpcException("Invalid binding URL: " + str);

        return binding;
    }

    private static final AtomicInteger call_id = new AtomicInteger(1);

    private final DcerpcBinding binding;
    private int max_xmit = 4280;
    private int max_recv = this.max_xmit;

        if (url.startsWith("ncacn_np:")) {
            return new DcerpcPipeHandle(url, auth);
        }
        throw new DcerpcException("DCERPC transport not supported: " + url);
    }

    public void bind() throws DcerpcException, IOException {
synchronized (this) {
        try {
            state = 1;
            DcerpcMessage bind = new DcerpcBind(binding, this);
            sendrecv(bind);