*/
    int getMaxXmit () {
        return this.max_xmit;
    }


    /**
     * Get a handle to a service
     * 
     * @param url
     * @param tc
     *            context to use
     * @return a DCERPC handle for the given url
     * @throws MalformedURLException
     * @throws DcerpcException
     */

                    buf.start = off;
                    buf.reset();
                    msg.encode_header(buf);
                    buf.enc_ndr_long(msg.alloc_hint);
                    buf.enc_ndr_short(0); /* context id */
                    buf.enc_ndr_short(msg.getOpnum());
                }

                doSendFragment(stub, off, msg.length, isDirect);
                off += n;
            }