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The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.
/*
* 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.cassandra.transport.messages;
import org.apache.cassandra.transport.CBUtil;
import org.apache.cassandra.transport.Message;
import io.netty.buffer.ByteBuf;
import org.apache.cassandra.transport.ProtocolVersion;
import java.nio.ByteBuffer;
/**
* SASL challenge sent from client to server
*/
public class AuthChallenge extends Message.Response
{
public static final Message.Codec codec = new Message.Codec()
{
public AuthChallenge decode(ByteBuf body, ProtocolVersion version)
{
ByteBuffer b = CBUtil.readValue(body);
byte[] token = new byte[b.remaining()];
b.get(token);
return new AuthChallenge(token);
}
public void encode(AuthChallenge challenge, ByteBuf dest, ProtocolVersion version)
{
CBUtil.writeValue(challenge.token, dest);
}
public int encodedSize(AuthChallenge challenge, ProtocolVersion version)
{
return CBUtil.sizeOfValue(challenge.token);
}
};
private byte[] token;
public AuthChallenge(byte[] token)
{
super(Message.Type.AUTH_CHALLENGE);
this.token = token;
}
public byte[] getToken()
{
return token;
}
}