synchronized (this) {
        try {
            state = 1;
            DcerpcMessage bind = new DcerpcBind(binding, this);
            sendrecv(bind);
        } catch (IOException ioe) {
            state = 0;
            throw ioe;
        }
}
    }
    public void sendrecv(DcerpcMessage msg) throws DcerpcException, IOException {
        byte[] stub, frag;

        synchronized ( this ) {
            try {
                this.state = 1;
                DcerpcMessage bind = new DcerpcBind(this.binding, this);
                sendrecv(bind);
            }
            catch ( IOException ioe ) {
                this.state = 0;
                throw ioe;
            }
        }
    }


    /**
     * 
     * @param msg
     * @throws DcerpcException