_state = SaslState.PN_SASL_STEP;
}
if(getState() == SaslState.PN_SASL_STEP && getChallengeResponse() != null)
{
SaslChallenge challenge = new SaslChallenge();
challenge.setChallenge(getChallengeResponse());
writeFrame(challenge);
setChallengeResponse(null);
}
if(_done)