private void queueSaslPacket(byte[] saslToken, ClientCnxn cnxn) {
LOG.debug("ClientCnxn:sendSaslPacket:length="+saslToken.length);
RequestHeader h = new RequestHeader();
h.setType(ZooDefs.OpCode.sasl);
GetSASLRequest request = new GetSASLRequest();
request.setToken(saslToken);
SetSASLResponse response = new SetSASLResponse();
ServerSaslResponseCallback cb = new ServerSaslResponseCallback();
ReplyHeader r = new ReplyHeader();
cnxn.queuePacket(h,r,request,response,cb);
}