/// <summary>Sends a SCSI command</summary>
/// <returns>0 if no error occurred, otherwise, errno</returns>
/// <param name="fd">File handle</param>
/// <param name="cdb">SCSI CDB</param>
/// <param name="buffer">Buffer for SCSI command response</param>
/// <param name="senseBuffer">Buffer with the SCSI sense</param>
/// <param name="timeout">Timeout in seconds</param>
/// <param name="direction">SCSI command transfer direction</param>
/// <param name="duration">Time it took to execute the command in milliseconds</param>
/// <param name="sense">
/// <c>True</c> if SCSI error returned non-OK status and <paramref name="senseBuffer" /> contains SCSI
/// sense
/// </param>
/// <exception cref="InvalidOperationException">If the specified platform is not supported</exception>
internal static int SendScsiCommand(object fd, byte[] cdb, ref byte[] buffer, out byte[] senseBuffer,
uint timeout, ScsiDirection direction, out double duration, out bool sense)
{
PlatformID ptId = DetectOS.GetRealPlatformID();
return(SendScsiCommand(ptId, fd, cdb, ref buffer, out senseBuffer, timeout, direction, out duration,
out sense));
}
/// <summary>Sends a SCSI command to this device</summary>
/// <returns>0 if no error occurred, otherwise, errno</returns>
/// <param name="cdb">SCSI CDB</param>
/// <param name="buffer">Buffer for SCSI command response</param>
/// <param name="senseBuffer">Buffer with the SCSI sense</param>
/// <param name="timeout">Timeout in seconds</param>
/// <param name="direction">SCSI command transfer direction</param>
/// <param name="duration">Time it took to execute the command in milliseconds</param>
/// <param name="sense">
/// <c>True</c> if SCSI command returned non-OK status and <paramref name="senseBuffer" /> contains
/// SCSI sense
/// </param>
public int SendScsiCommand(byte[] cdb, ref byte[] buffer, out byte[] senseBuffer, uint timeout,
ScsiDirection direction, out double duration, out bool sense)
{
if (!(_remote is null))
{
return(_remote.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, direction, out duration,
out sense));
}
return(Command.SendScsiCommand(PlatformId, FileHandle, cdb, ref buffer, out senseBuffer, timeout, direction,
out duration, out sense));
}
/// <summary>Sends a SCSI command</summary>
/// <returns>0 if no error occurred, otherwise, errno</returns>
/// <param name="ptId">Platform ID for executing the command</param>
/// <param name="fd">File handle</param>
/// <param name="cdb">SCSI CDB</param>
/// <param name="buffer">Buffer for SCSI command response</param>
/// <param name="senseBuffer">Buffer with the SCSI sense</param>
/// <param name="timeout">Timeout in seconds</param>
/// <param name="direction">SCSI command transfer direction</param>
/// <param name="duration">Time it took to execute the command in milliseconds</param>
/// <param name="sense">
/// <c>True</c> if SCSI error returned non-OK status and <paramref name="senseBuffer" /> contains SCSI
/// sense
/// </param>
/// <exception cref="InvalidOperationException">If the specified platform is not supported</exception>
internal static int SendScsiCommand(PlatformID ptId, object fd, byte[] cdb, ref byte[] buffer,
out byte[] senseBuffer, uint timeout, ScsiDirection direction,
out double duration, out bool sense)
{
switch (ptId)
{
case PlatformID.Win32NT:
{
ScsiIoctlDirection dir;
switch (direction)
{
case ScsiDirection.In:
dir = ScsiIoctlDirection.In;
break;
case ScsiDirection.Out:
dir = ScsiIoctlDirection.Out;
break;
default:
dir = ScsiIoctlDirection.Unspecified;
break;
}
return(Windows.Command.SendScsiCommand((SafeFileHandle)fd, cdb, ref buffer, out senseBuffer,
timeout, dir, out duration, out sense));
}
case PlatformID.Linux:
{
Linux.ScsiIoctlDirection dir;
switch (direction)
{
case ScsiDirection.In:
dir = Linux.ScsiIoctlDirection.In;
break;
case ScsiDirection.Out:
dir = Linux.ScsiIoctlDirection.Out;
break;
case ScsiDirection.Bidirectional:
dir = Linux.ScsiIoctlDirection.Unspecified;
break;
case ScsiDirection.None:
dir = Linux.ScsiIoctlDirection.None;
break;
default:
dir = Linux.ScsiIoctlDirection.Unknown;
break;
}
return(Linux.Command.SendScsiCommand((int)fd, cdb, ref buffer, out senseBuffer, timeout, dir,
out duration, out sense));
}
case PlatformID.FreeBSD:
{
CcbFlags flags = 0;
switch (direction)
{
case ScsiDirection.In:
flags = CcbFlags.CamDirIn;
break;
case ScsiDirection.Out:
flags = CcbFlags.CamDirOut;
break;
case ScsiDirection.Bidirectional:
flags = CcbFlags.CamDirBoth;
break;
case ScsiDirection.None:
flags = CcbFlags.CamDirNone;
break;
}
return(IntPtr.Size == 8
? FreeBSD.Command.SendScsiCommand64((IntPtr)fd, cdb, ref buffer, out senseBuffer,
timeout, flags, out duration, out sense)
: FreeBSD.Command.SendScsiCommand((IntPtr)fd, cdb, ref buffer, out senseBuffer, timeout,
flags, out duration, out sense));
}
default: throw new InvalidOperationException($"Platform {ptId} not yet supported.");
}
}
public int SendScsiCommand(byte[] cdb, ref byte[] buffer, out byte[] senseBuffer, uint timeout,
ScsiDirection direction, out double duration, out bool sense)
{
senseBuffer = null;
duration = 0;
sense = true;
var cmdPkt = new AaruPacketCmdScsi
{
hdr = new AaruPacketHeader
{
remote_id = Consts.RemoteId, packet_id = Consts.PacketId, version = Consts.PacketVersion,
packetType = AaruPacketType.CommandScsi
},
direction = (int)direction, timeout = timeout * 1000
};
if (cdb != null)
{
cmdPkt.cdb_len = (uint)cdb.Length;
}
if (buffer != null)
{
cmdPkt.buf_len = (uint)buffer.Length;
}
cmdPkt.hdr.len = (uint)(Marshal.SizeOf <AaruPacketCmdScsi>() + cmdPkt.cdb_len + cmdPkt.buf_len);
byte[] pktBuf = Marshal.StructureToByteArrayLittleEndian(cmdPkt);
byte[] buf = new byte[cmdPkt.hdr.len];
Array.Copy(pktBuf, 0, buf, 0, Marshal.SizeOf <AaruPacketCmdScsi>());
if (cdb != null)
{
Array.Copy(cdb, 0, buf, Marshal.SizeOf <AaruPacketCmdScsi>(), cmdPkt.cdb_len);
}
if (buffer != null)
{
Array.Copy(buffer, 0, buf, Marshal.SizeOf <AaruPacketCmdScsi>() + cmdPkt.cdb_len, cmdPkt.buf_len);
}
int len = _socket.Send(buf, SocketFlags.None);
if (len != buf.Length)
{
AaruConsole.ErrorWriteLine("Could not write to the network...");
return(-1);
}
byte[] hdrBuf = new byte[Marshal.SizeOf <AaruPacketHeader>()];
len = Receive(_socket, hdrBuf, hdrBuf.Length, SocketFlags.Peek);
if (len < hdrBuf.Length)
{
AaruConsole.ErrorWriteLine("Could not read from the network...");
return(-1);
}
AaruPacketHeader hdr = Marshal.ByteArrayToStructureLittleEndian <AaruPacketHeader>(hdrBuf);
if (hdr.remote_id != Consts.RemoteId ||
hdr.packet_id != Consts.PacketId)
{
AaruConsole.ErrorWriteLine("Received data is not an Aaru Remote Packet...");
return(-1);
}
if (hdr.packetType != AaruPacketType.ResponseScsi)
{
AaruConsole.ErrorWriteLine("Expected SCSI Response Packet, got packet type {0}...", hdr.packetType);
return(-1);
}
buf = new byte[hdr.len];
len = Receive(_socket, buf, buf.Length, SocketFlags.None);
if (len < buf.Length)
{
AaruConsole.ErrorWriteLine("Could not read from the network...");
return(-1);
}
AaruPacketResScsi res = Marshal.ByteArrayToStructureLittleEndian <AaruPacketResScsi>(buf);
senseBuffer = new byte[res.sense_len];
Array.Copy(buf, Marshal.SizeOf <AaruPacketResScsi>(), senseBuffer, 0, res.sense_len);
buffer = new byte[res.buf_len];
Array.Copy(buf, Marshal.SizeOf <AaruPacketResScsi>() + res.sense_len, buffer, 0, res.buf_len);
duration = res.duration;
sense = res.sense != 0;
return((int)res.error_no);
}
/// <summary>
/// Sends a SCSI command to this device
/// </summary>
/// <returns>0 if no error occurred, otherwise, errno</returns>
/// <param name="cdb">SCSI CDB</param>
/// <param name="buffer">Buffer for SCSI command response</param>
/// <param name="senseBuffer">Buffer with the SCSI sense</param>
/// <param name="timeout">Timeout in seconds</param>
/// <param name="direction">SCSI command transfer direction</param>
/// <param name="duration">Time it took to execute the command in milliseconds</param>
/// <param name="sense">
/// <c>True</c> if SCSI command returned non-OK status and <paramref name="senseBuffer" /> contains
/// SCSI sense
/// </param>
public int SendScsiCommand(byte[] cdb, ref byte[] buffer, out byte[] senseBuffer, uint timeout,
ScsiDirection direction, out double duration, out bool sense) =>
Command.SendScsiCommand(PlatformId, FileHandle, cdb, ref buffer, out senseBuffer, timeout, direction,
out duration, out sense);
