public static byte[] FormatSenseData(SenseDataParameter senseData)
{
byte[] senseDataBytes = senseData.GetBytes();
byte[] result = new byte[senseDataBytes.Length + 2];
Array.Copy(BigEndianConverter.GetBytes((ushort)senseDataBytes.Length), 0, result, 0, 2);
Array.Copy(senseDataBytes, 0, result, 2, senseDataBytes.Length);
return(result);
}
public SCSIStatusCodeName Write(SCSICommandDescriptorBlock command, LUNStructure lun, byte[] data, out byte[] response)
{
if (lun >= m_disks.Count)
{
response = FormatSenseData(SenseDataParameter.GetIllegalRequestInvalidLUNSenseData());
return(SCSIStatusCodeName.CheckCondition);
}
Disk disk = m_disks[lun];
if (disk.IsReadOnly)
{
SenseDataParameter senseData = SenseDataParameter.GetDataProtectSenseData();
response = senseData.GetBytes();
return(SCSIStatusCodeName.CheckCondition);
}
try
{
lock (IOLock)
{
disk.WriteSectors((long)command.LogicalBlockAddress64, data);
}
response = new byte[0];
return(SCSIStatusCodeName.Good);
}
catch (ArgumentOutOfRangeException)
{
ISCSIServer.Log("[Write] Write error: LBA out of range");
response = FormatSenseData(SenseDataParameter.GetIllegalRequestLBAOutOfRangeSenseData());
return(SCSIStatusCodeName.CheckCondition);
}
catch (IOException ex)
{
ISCSIServer.Log("[Write] Write error: {0}", ex.ToString());
response = FormatSenseData(SenseDataParameter.GetMediumErrorWriteFaultSenseData());
return(SCSIStatusCodeName.CheckCondition);
}
}