} catch( InterruptedException ie ) {
                throw new TransportException( ie );
            } finally {
                response_map.remove( request );
            }
    }
    private void loop() {
        while( thread == Thread.currentThread() ) {
            try {
                Request key = peekKey();
                if (key == null)
                    throw new IOException( "end of stream" );

        return false;
    }


    /**
     * @param request
     * @return
     */
    protected abstract int getResponseTimeout ( Request request );


    private void loop () {
        while ( this.thread == Thread.currentThread() ) {
            try {
                synchronized ( this.inLock ) {
                    Long key;
                    try {

        /*
         * Apparently readRDataWireFormat can return 0 if resultCode != 0 in
         * which case this will look indefinitely. Putting this else clause around
         * the loop might fix that. But I would need to see a capture to confirm.
         * if (resultCode != 0) {
         * srcIndex += rDataLength;
         * } else {
         */

        end = srcIndex + rDataLength;
/* Apparently readRDataWireFormat can return 0 if resultCode != 0 in
which case this will look indefinitely. Putting this else clause around
the loop might fix that. But I would need to see a capture to confirm.
if (resultCode != 0) {
    srcIndex += rDataLength;
} else {
*/
        for( addrIndex = 0; srcIndex < end; addrIndex++ ) {

            if ((b = in.read()) == -1) return null;
            sbuf[35] = (byte)b;
        }

        key.mid = Encdec.dec_uint16le( sbuf, 34 ) & 0xFFFF;

        /* Unless key returned is null or invalid Transport.loop() always
         * calls doRecv() after and no one else but the transport thread
         * should call doRecv(). Therefore it is ok to expect that the data
         * in sbuf will be preserved for copying into BUF in doRecv().

            if ( ( b = this.in.read() ) == -1 )
                return null;
            this.sbuf[ 35 ] = (byte) b;
        }

        /*
         * Unless key returned is null or invalid Transport.loop() always
         * calls doRecv() after and no one else but the transport thread
         * should call doRecv(). Therefore it is ok to expect that the data
         * in sbuf will be preserved for copying into BUF in doRecv().

                         * with node status so we need to check to make sure that
                         * the record type matches the question type and if not,
                         * loop around and try again.
                         */
                        if (response.received && request.questionType == response.recordType)
                            return;

                         * with node status so we need to check to make sure that
                         * the record type matches the question type and if not,
                         * loop around and try again.
                         */
                        if ( response.received && request.questionType == response.recordType )
                            return;

                    throw dre;
                }
                request.reset();
                log.trace("send0", dre);
            }
        }

        throw new CIFSException("Loop in DFS referrals");
    }


    /**
     * @param loc
     * @return tree handle
     * @throws SmbException
     */