return selectWeightedRandom(channels);
    }

    private boolean isLargeTransfer(CommonServerMessageBlock message) {
        if (message instanceof Smb2ReadRequest) {
            return ((Smb2ReadRequest) message).getReadLength() > 1048576; // 1MB
        }
        if (message instanceof Smb2WriteRequest) {
            // Data length not accessible, assume large writes for now

                }

                try {
                    if (th.isSMB2()) {
                        final Smb2ReadRequest request = new Smb2ReadRequest(th.getConfig(), fd.getFileId(), b, off);
                        request.setOffset(type == SmbConstants.TYPE_NAMED_PIPE ? 0 : this.fp);
                        request.setReadLength(r);