public synchronized void reqAllOpenOrders() {
        // not connected?
        if( !m_connected) {
            error( EClientErrors.NO_VALID_ID, EClientErrors.NOT_CONNECTED, "");
            return;
        }

        final int VERSION = 1;

        // send req all open orders msg
        try {
            send( REQ_ALL_OPEN_ORDERS);
            send( VERSION);
        }
        catch( Exception e) {
            error(EClientErrors.NO_VALID_ID, EClientErrors.FAIL_SEND_OORDER, "" + e);
            close();
        }
    }