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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.thrift.transport.sasl;
import static org.apache.thrift.transport.sasl.TSaslNegotiationException.ErrorType.PROTOCOL_ERROR;
/**
* Header for sasl negotiation frames. It contains status byte of negotiation and a 4-byte integer
* (payload size).
*/
public class SaslNegotiationHeaderReader extends FixedSizeHeaderReader {
public static final int STATUS_BYTES = 1;
public static final int PAYLOAD_LENGTH_BYTES = 4;
private NegotiationStatus negotiationStatus;
private int payloadSize;
@Override
protected int headerSize() {
return STATUS_BYTES + PAYLOAD_LENGTH_BYTES;
}
@Override
protected void onComplete() throws TSaslNegotiationException {
negotiationStatus = NegotiationStatus.byValue(byteBuffer.get(0));
payloadSize = byteBuffer.getInt(1);
if (payloadSize < 0) {
throw new TSaslNegotiationException(
PROTOCOL_ERROR, "Payload size is negative: " + payloadSize);
}
}
@Override
public int payloadSize() {
return payloadSize;
}
public NegotiationStatus getStatus() {
return negotiationStatus;
}
}
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