}
    public synchronized void disconnect( boolean hard ) throws IOException {
        IOException ioe = null;

        switch (state) {
            case 0: /* not connected - just return */
                return;
            case 2:
                hard = true;
            case 3: /* connected - go ahead and disconnect */
                if (response_map.size() != 0 && !hard) {
                    break; /* outstanding requests */

    /**
     * Disconnect the transport
     * 
     * @param hard
     * @return whether conenction was in use
     * @throws IOException
     */
    public synchronized boolean disconnect ( boolean hard ) throws IOException {
        return disconnect(hard, true);
    }


    /**
     * Disconnect the transport
     * 
     * @param hard
     * @param inUse