/// <summary>
/// Reads an attribute from the medium auxiliary memory
/// </summary>
/// <param name="buffer">Buffer.</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="action">What to do, <see cref="ScsiAttributeAction" />.</param>
/// <param name="volume">Volume number.</param>
/// <param name="partition">Partition number.</param>
/// <param name="firstAttribute">First attribute identifier.</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,
byte volume,
byte partition, ushort firstAttribute, bool cache,
uint timeout,
out double duration) =>
ReadAttribute(out buffer, out senseBuffer, action, 0, 0, volume, partition, firstAttribute, cache, timeout,
out duration);
/// <summary>
/// Reads an attribute from the medium auxiliary memory
/// </summary>
/// <param name="buffer">Buffer.</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="action">What to do, <see cref="ScsiAttributeAction" />.</param>
/// <param name="partition">Partition number.</param>
/// <param name="firstAttribute">First attribute identifier.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool ReadAttribute(out byte[] buffer, out byte[] senseBuffer, ScsiAttributeAction action,
byte partition,
ushort firstAttribute, uint timeout, out double duration)
{
return(ReadAttribute(out buffer, out senseBuffer, action, 0, 0, 0, partition, firstAttribute, false,
timeout, out duration));
}
/// <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];
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 bool sense);
Error = LastError != 0;
if (sense)
{
return(true);
}
uint attrLen = (uint)((buffer[0] << 24) + (buffer[1] << 16) + (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;
AaruConsole.DebugWriteLine("SCSI Device", "READ ATTRIBUTE took {0} ms.", duration);
return(sense);
}
static void ReadAttribute(string devPath, Device dev)
{
ushort element = 0;
byte elementType = 0;
byte volume = 0;
byte partition = 0;
ushort firstAttribute = 0;
bool cache = false;
ScsiAttributeAction action = ScsiAttributeAction.Values;
string strDev;
int item;
parameters:
while (true)
{
System.Console.Clear();
AaruConsole.WriteLine("Device: {0}", devPath);
AaruConsole.WriteLine("Parameters for READ ATTRIBUTE command:");
AaruConsole.WriteLine("Action: {0}", action);
AaruConsole.WriteLine("Element: {0}", element);
AaruConsole.WriteLine("Element type: {0}", elementType);
AaruConsole.WriteLine("Volume: {0}", volume);
AaruConsole.WriteLine("Partition: {0}", partition);
AaruConsole.WriteLine("First attribute: {0}", firstAttribute);
AaruConsole.WriteLine("Use cache?: {0}", cache);
AaruConsole.WriteLine();
AaruConsole.WriteLine("Choose what to do:");
AaruConsole.WriteLine("1.- Change parameters.");
AaruConsole.WriteLine("2.- Send command with these parameters.");
AaruConsole.WriteLine("0.- Return to SCSI Media Changer commands menu.");
strDev = System.Console.ReadLine();
if (!int.TryParse(strDev, out item))
{
AaruConsole.WriteLine("Not a number. Press any key to continue...");
System.Console.ReadKey();
continue;
}
switch (item)
{
case 0:
AaruConsole.WriteLine("Returning to SCSI Media Changer commands menu...");
return;
case 1:
AaruConsole.WriteLine("Attribute action");
AaruConsole.WriteLine("Available values: {0} {1} {2} {3} {4}", ScsiAttributeAction.Values,
ScsiAttributeAction.List, ScsiAttributeAction.VolumeList,
ScsiAttributeAction.PartitionList, ScsiAttributeAction.ElementList,
ScsiAttributeAction.Supported);
AaruConsole.Write("Choose?: ");
strDev = System.Console.ReadLine();
if (!Enum.TryParse(strDev, true, out action))
{
AaruConsole.WriteLine("Not a valid attribute action. Press any key to continue...");
action = ScsiAttributeAction.Values;
System.Console.ReadKey();
continue;
}
AaruConsole.Write("Element?: ");
strDev = System.Console.ReadLine();
if (!ushort.TryParse(strDev, out element))
{
AaruConsole.WriteLine("Not a number. Press any key to continue...");
element = 0;
System.Console.ReadKey();
continue;
}
AaruConsole.Write("Element type?: ");
strDev = System.Console.ReadLine();
if (!byte.TryParse(strDev, out elementType))
{
AaruConsole.WriteLine("Not a number. Press any key to continue...");
elementType = 0;
System.Console.ReadKey();
continue;
}
AaruConsole.Write("Volume?: ");
strDev = System.Console.ReadLine();
if (!byte.TryParse(strDev, out volume))
{
AaruConsole.WriteLine("Not a number. Press any key to continue...");
volume = 0;
System.Console.ReadKey();
continue;
}
AaruConsole.Write("Partition?: ");
strDev = System.Console.ReadLine();
if (!byte.TryParse(strDev, out partition))
{
AaruConsole.WriteLine("Not a number. Press any key to continue...");
partition = 0;
System.Console.ReadKey();
continue;
}
AaruConsole.Write("First attribute?: ");
strDev = System.Console.ReadLine();
if (!ushort.TryParse(strDev, out firstAttribute))
{
AaruConsole.WriteLine("Not a number. Press any key to continue...");
firstAttribute = 0;
System.Console.ReadKey();
continue;
}
AaruConsole.Write("Use cache?: ");
strDev = System.Console.ReadLine();
if (!bool.TryParse(strDev, out cache))
{
AaruConsole.WriteLine("Not a boolean. Press any key to continue...");
cache = false;
System.Console.ReadKey();
}
break;
case 2: goto start;
}
}
start:
System.Console.Clear();
bool sense = dev.ReadAttribute(out byte[] buffer, out byte[] senseBuffer, action, element, elementType,
volume, partition, firstAttribute, cache, dev.Timeout, out double duration);
menu:
AaruConsole.WriteLine("Device: {0}", devPath);
AaruConsole.WriteLine("Sending READ ATTRIBUTE to the device:");
AaruConsole.WriteLine("Command took {0} ms.", duration);
AaruConsole.WriteLine("Sense is {0}.", sense);
AaruConsole.WriteLine("Buffer is {0} bytes.", buffer?.Length.ToString() ?? "null");
AaruConsole.WriteLine("Buffer is null or empty? {0}", ArrayHelpers.ArrayIsNullOrEmpty(buffer));
AaruConsole.WriteLine("Sense buffer is {0} bytes.", senseBuffer?.Length.ToString() ?? "null");
AaruConsole.WriteLine("Sense buffer is null or empty? {0}", ArrayHelpers.ArrayIsNullOrEmpty(senseBuffer));
AaruConsole.WriteLine();
AaruConsole.WriteLine("Choose what to do:");
AaruConsole.WriteLine("1.- Print buffer.");
AaruConsole.WriteLine("2.- Print sense buffer.");
AaruConsole.WriteLine("3.- Decode sense buffer.");
AaruConsole.WriteLine("4.- Send command again.");
AaruConsole.WriteLine("5.- Change parameters.");
AaruConsole.WriteLine("0.- Return to SCSI Media Changer commands menu.");
AaruConsole.Write("Choose: ");
strDev = System.Console.ReadLine();
if (!int.TryParse(strDev, out item))
{
AaruConsole.WriteLine("Not a number. Press any key to continue...");
System.Console.ReadKey();
System.Console.Clear();
goto menu;
}
switch (item)
{
case 0:
AaruConsole.WriteLine("Returning to SCSI Media Changer commands menu...");
return;
case 1:
System.Console.Clear();
AaruConsole.WriteLine("Device: {0}", devPath);
AaruConsole.WriteLine("READ ATTRIBUTE response:");
if (buffer != null)
{
PrintHex.PrintHexArray(buffer, 64);
}
AaruConsole.WriteLine("Press any key to continue...");
System.Console.ReadKey();
System.Console.Clear();
AaruConsole.WriteLine("Device: {0}", devPath);
goto menu;
case 2:
System.Console.Clear();
AaruConsole.WriteLine("Device: {0}", devPath);
AaruConsole.WriteLine("READ ATTRIBUTE sense:");
if (senseBuffer != null)
{
PrintHex.PrintHexArray(senseBuffer, 64);
}
AaruConsole.WriteLine("Press any key to continue...");
System.Console.ReadKey();
System.Console.Clear();
AaruConsole.WriteLine("Device: {0}", devPath);
goto menu;
case 3:
System.Console.Clear();
AaruConsole.WriteLine("Device: {0}", devPath);
AaruConsole.WriteLine("READ ATTRIBUTE decoded sense:");
AaruConsole.Write("{0}", Sense.PrettifySense(senseBuffer));
AaruConsole.WriteLine("Press any key to continue...");
System.Console.ReadKey();
System.Console.Clear();
AaruConsole.WriteLine("Device: {0}", devPath);
goto menu;
case 4: goto start;
case 5: goto parameters;
default:
AaruConsole.WriteLine("Incorrect option. Press any key to continue...");
System.Console.ReadKey();
System.Console.Clear();
goto menu;
}
}
/// <summary>Reads an attribute from the medium auxiliary memory</summary>
/// <param name="buffer">Buffer.</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="action">What to do, <see cref="ScsiAttributeAction" />.</param>
/// <param name="firstAttribute">First attribute identifier.</param>
/// <param name="timeout">Timeout.</param>
/// <param name="duration">Duration.</param>
public bool ReadAttribute(out byte[] buffer, out byte[] senseBuffer, ScsiAttributeAction action,
ushort firstAttribute, uint timeout, out double duration) =>
ReadAttribute(out buffer, out senseBuffer, action, 0, 0, 0, 0, firstAttribute, false, timeout,
out duration);
