mirror of
https://github.com/aaru-dps/Aaru.git
synced 2025-12-16 19:24:25 +00:00
106 lines
4.5 KiB
C#
106 lines
4.5 KiB
C#
// /***************************************************************************
|
|
// The Disc Image Chef
|
|
// ----------------------------------------------------------------------------
|
|
//
|
|
// Filename : SMC.cs
|
|
// Version : 1.0
|
|
// Author(s) : Natalia Portillo
|
|
//
|
|
// Component : SCSI Media-changer Commands
|
|
//
|
|
// Revision : $Revision$
|
|
// Last change by : $Author$
|
|
// Date : $Date$
|
|
//
|
|
// --[ Description ] ----------------------------------------------------------
|
|
//
|
|
// Description
|
|
//
|
|
// --[ License ] --------------------------------------------------------------
|
|
//
|
|
// 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 3 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, see <http://www.gnu.org/licenses/>.
|
|
//
|
|
// ----------------------------------------------------------------------------
|
|
// Copyright (C) 2011-2015 Claunia.com
|
|
// ****************************************************************************/
|
|
// //$Id$
|
|
using System;
|
|
using DiscImageChef.Console;
|
|
|
|
namespace DiscImageChef.Devices
|
|
{
|
|
public partial class Device
|
|
{
|
|
/// <summary>
|
|
/// Reads an attribute from the medium auxiliary memory, or reports which elements in the changer contain one
|
|
/// </summary>
|
|
/// <param name="buffer">Buffer.</param>
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|
/// <param name="action">What to do, <see cref="ScsiAttributeAction"/>.</param>
|
|
/// <param name="element">Element address.</param>
|
|
/// <param name="elementType">Element type.</param>
|
|
/// <param name="volume">Volume number.</param>
|
|
/// <param name="partition">Partition number.</param>
|
|
/// <param name="firstAttribute">First attribute identificator.</param>
|
|
/// <param name="cache">If set to <c>true</c> device can return cached data.</param>
|
|
/// <param name="timeout">Timeout.</param>
|
|
/// <param name="duration">Duration.</param>
|
|
public bool ReadAttribute(out byte[] buffer, out byte[] senseBuffer, ScsiAttributeAction action, ushort element, byte elementType, byte volume, byte partition, ushort firstAttribute, bool cache, uint timeout, out double duration)
|
|
{
|
|
buffer = new byte[256];
|
|
byte[] cdb = new byte[16];
|
|
senseBuffer = new byte[32];
|
|
bool sense;
|
|
|
|
cdb[0] = (byte)ScsiCommands.ReadAttribute;
|
|
cdb[1] = (byte)((byte)action & 0x1F);
|
|
cdb[2] = (byte)((element & 0xFF00) >> 8);
|
|
cdb[3] = (byte)(element & 0xFF);
|
|
cdb[4] = (byte)(elementType & 0x0F);
|
|
cdb[5] = volume;
|
|
cdb[7] = partition;
|
|
cdb[8] = (byte)((firstAttribute & 0xFF00) >> 8);
|
|
cdb[9] = (byte)(firstAttribute & 0xFF);
|
|
cdb[10] = (byte)((buffer.Length & 0xFF000000) >> 24);
|
|
cdb[11] = (byte)((buffer.Length & 0xFF0000) >> 16);
|
|
cdb[12] = (byte)((buffer.Length & 0xFF00) >> 8);
|
|
cdb[13] = (byte)(buffer.Length & 0xFF);
|
|
if(cache)
|
|
cdb[14] += 0x01;
|
|
|
|
lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out sense);
|
|
error = lastError != 0;
|
|
|
|
if(sense)
|
|
return true;
|
|
|
|
uint attrLen = (uint)(((int)buffer[0] << 24) + ((int)buffer[1] << 16) + ((int)buffer[2] << 8) + buffer[3] + 4);
|
|
buffer = new byte[attrLen];
|
|
cdb[10] = (byte)((buffer.Length & 0xFF000000) >> 24);
|
|
cdb[11] = (byte)((buffer.Length & 0xFF0000) >> 16);
|
|
cdb[12] = (byte)((buffer.Length & 0xFF00) >> 8);
|
|
cdb[13] = (byte)(buffer.Length & 0xFF);
|
|
senseBuffer = new byte[32];
|
|
|
|
lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out sense);
|
|
error = lastError != 0;
|
|
|
|
DicConsole.DebugWriteLine("SCSI Device", "READ ATTRIBUTE took {0} ms.", duration);
|
|
|
|
return sense;
|
|
}
|
|
}
|
|
}
|
|
|