/**
* Copyright (c) 2012, University of Konstanz, Distributed Systems Group
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the University of Konstanz nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
//
// Cleversafe open-source code header - Version 1.1 - December 1, 2006
//
// Cleversafe Dispersed Storage(TM) is software for secure, private and
// reliable storage of the world's data using information dispersal.
//
// Copyright (C) 2005-2007 Cleversafe, Inc.
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
//
// Contact Information: Cleversafe, 10 W. 35th Street, 16th Floor #84,
// Chicago IL 60616
// email licensing@cleversafe.org
//
// END-OF-HEADER
//-----------------------
// @author: jquigley
//
// Date: Feb 27, 2008
//---------------------
package org.jscsi.scsi.protocol.cdb;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
import org.jscsi.scsi.protocol.util.ByteBufferInputStream;
public class Verify10 extends AbstractCDB
{
public static final int OPERATION_CODE = 0x2F;
private int VRPROTECT;
private boolean DPO;
private boolean BYTCHK;
private int lba;
private int groupNumber;
private int verificationLength;
public Verify10()
{
super(OPERATION_CODE);
}
public Verify10(int VRPROTECT, boolean DPO, boolean BYTCHK, int lba, int groupNumber, int verificationLength, int control)
{
super(OPERATION_CODE);
this.VRPROTECT = VRPROTECT;
this.DPO = DPO;
this.BYTCHK = BYTCHK;
this.lba = lba;
this.groupNumber = groupNumber;
this.verificationLength = verificationLength;
super.setControl(control);
}
public void decode(byte[] header, ByteBuffer input) throws IOException
{
DataInputStream in = new DataInputStream(new ByteBufferInputStream(input));
int operationCode = in.readUnsignedByte();
if (operationCode != OPERATION_CODE)
{
throw new IOException("Invalid operation code: " + Integer.toHexString(operationCode));
}
int tmp = in.readUnsignedByte();
this.VRPROTECT = tmp >>> 5;
this.DPO = ((tmp >>> 4) & 0x01) == 1;
this.BYTCHK = ((tmp >>> 1) & 0x01) == 1;
this.lba = in.readInt();
tmp = in.readUnsignedByte();
this.groupNumber = tmp & 0x1F;
this.verificationLength = in.readUnsignedShort();
super.setControl(in.readUnsignedByte());
}
public byte[] encode() throws IOException
{
ByteArrayOutputStream cdb = new ByteArrayOutputStream(this.size());
DataOutputStream out = new DataOutputStream(cdb);
try
{
out.writeByte(OPERATION_CODE);
int tmp = 0;
tmp = (this.VRPROTECT << 5);
tmp |= ((this.DPO ? 1 : 0) << 4);
tmp |= ((this.BYTCHK ? 1 : 0 << 1));
out.writeByte(tmp);
out.writeInt(this.lba);
out.writeByte(this.groupNumber);
out.writeShort(this.verificationLength);
out.writeByte(super.getControl());
return cdb.toByteArray();
}
catch (IOException e)
{
throw new RuntimeException("Unable to encode CDB.");
}
}
public int size()
{
return 10;
}
public String toString()
{
return "<Verify10>";
}
}