/**
* 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.tasks.lu;
import java.io.IOException;
import org.apache.log4j.Logger;
import org.jscsi.core.scsi.Status;
import org.jscsi.scsi.protocol.Command;
import org.jscsi.scsi.protocol.cdb.CDB;
import org.jscsi.scsi.protocol.cdb.Inquiry;
import org.jscsi.scsi.protocol.inquiry.InquiryDataRegistry;
import org.jscsi.scsi.protocol.inquiry.vpd.VPDPage;
import org.jscsi.scsi.protocol.mode.ModePageRegistry;
import org.jscsi.scsi.protocol.sense.exceptions.InvalidFieldInCDBException;
import org.jscsi.scsi.protocol.sense.exceptions.SenseException;
import org.jscsi.scsi.transport.TargetTransportPort;
//TODO: Describe class or interface
public class InquiryTask extends LUTask
{
private static Logger _logger = Logger.getLogger(InquiryTask.class);
public InquiryTask()
{
super("InquiryTask");
}
public InquiryTask(
TargetTransportPort targetPort,
Command command,
ModePageRegistry modePageRegistry,
InquiryDataRegistry inquiryDataRegistry)
{
super("InquiryTask", targetPort, command, modePageRegistry, inquiryDataRegistry);
}
@Override
protected void execute() throws InterruptedException, SenseException
{
CDB cdb = getCommand().getCommandDescriptorBlock();
assert cdb instanceof Inquiry;
Inquiry inquiryCDB = (Inquiry) cdb;
if (inquiryCDB.isEVPD())
{
VPDPage vpdPage = getInquiryDataRegistry().getVPDPage(inquiryCDB.getPageCode());
if (vpdPage != null)
{
try
{
this.writeData(vpdPage.encode());
}
catch (IOException e)
{
_logger.debug("cound not encode vpd page in task: " + this);
throw new RuntimeException("Could not encode VPD page", e);
}
}
else
{
// Invalid page code
_logger.debug("invalid page code in task: " + this);
throw new InvalidFieldInCDBException(true, 2);
}
}
else
{
if (inquiryCDB.getPageCode() == 0x00)
{
this.writeData(getInquiryDataRegistry().getStandardInquiryData().encode());
}
else
{
// Invalid page code
_logger.debug("invalid page code in task: " + this);
throw new InvalidFieldInCDBException(true, 2);
}
}
this.writeResponse(Status.GOOD, null);
}
public String toString()
{
return "<InquiryTask>";
}
}