/**
* 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: John Quigley <jquigley@cleversafe.com>
//@date: January 1, 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 ModeSense6 extends AbstractParameterCDB
{
public static final int OPERATION_CODE = 0x1A;
public static final int PC_CURRENT_VALUES = 0x00;
public static final int PC_CHANGEABLE_VALUES = 0x01;
public static final int PC_DEFAULT_VALUES = 0x03;
public static final int PC_SAVED_VALUES = 0x04;
private boolean DBD;
private int PC;
private int pageCode;
private int subPageCode;
protected ModeSense6(int operationCode)
{
super(operationCode);
}
public ModeSense6()
{
super(OPERATION_CODE);
}
public ModeSense6(
boolean dbd,
int pageControl,
int pageCode,
int subPageCode,
boolean linked,
boolean normalACA,
long allocationLength)
{
super(OPERATION_CODE, linked, normalACA, (int) allocationLength, 0);
if (allocationLength > 65536)
{
throw new IllegalArgumentException("Allocation length out of bounds for command type");
}
this.DBD = dbd;
this.PC = pageControl;
this.pageCode = pageCode;
this.subPageCode = subPageCode;
}
public ModeSense6(
boolean dbd,
int pageControl,
int pageCode,
int subPageCode,
long allocationLength)
{
this(dbd, pageControl, pageCode, subPageCode, false, false, allocationLength);
}
public void decode(byte[] header, ByteBuffer input) throws IOException
{
DataInputStream in = new DataInputStream(new ByteBufferInputStream(input));
int tmp;
int operationCode = in.readUnsignedByte();
this.DBD = (in.readUnsignedByte() & 0x08) != 0;
tmp = in.readUnsignedByte();
this.pageCode = tmp & 0x3F;
this.PC = tmp >>> 6;
this.subPageCode = in.readUnsignedByte();
setAllocationLength(in.readUnsignedByte());
super.setControl(in.readUnsignedByte());
if (operationCode != OPERATION_CODE)
{
throw new IOException("Invalid operation code: " + Integer.toHexString(operationCode));
}
}
public byte[] encode()
{
ByteArrayOutputStream cdb = new ByteArrayOutputStream(this.size());
DataOutputStream out = new DataOutputStream(cdb);
try
{
out.writeByte(OPERATION_CODE);
out.writeByte(this.DBD ? 0x08 : 0x00);
out.writeByte((this.PC << 6) | this.pageCode);
out.writeByte(this.subPageCode);
out.writeByte((int) getAllocationLength());
out.writeByte(super.getControl());
return cdb.toByteArray();
}
catch (IOException e)
{
throw new RuntimeException("Unable to encode CDB.");
}
}
public int size()
{
return 6;
}
public boolean isDBD()
{
return this.DBD;
}
public void setDBD(boolean dbd)
{
this.DBD = dbd;
}
public int getPC()
{
return this.PC;
}
public void setPC(int pc)
{
this.PC = pc;
}
public int getPageCode()
{
return this.pageCode;
}
public void setPageCode(int pageCode)
{
this.pageCode = pageCode;
}
public int getSubPageCode()
{
return this.subPageCode;
}
public void setSubPageCode(int subPageCode)
{
this.subPageCode = subPageCode;
}
public String toString()
{
return "<ModeSense6>";
}
}