Files
Aaru/DiscImageChef/Commands/MediaScan.cs

806 lines
34 KiB
C#
Raw Normal View History

// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : MediaScan.cs
// Version : 1.0
// Author(s) : Natalia Portillo
//
// Component : Component
//
// 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;
using System.IO;
using DiscImageChef.Devices;
using System.Text;
using System.Collections.Generic;
namespace DiscImageChef.Commands
{
public static class MediaScan
{
static bool aborted;
static FileStream mhddFs;
public static void doMediaScan(MediaScanSubOptions options)
{
DicConsole.DebugWriteLine("Media-Scan command", "--debug={0}", options.Debug);
DicConsole.DebugWriteLine("Media-Scan command", "--verbose={0}", options.Verbose);
DicConsole.DebugWriteLine("Media-Scan command", "--device={0}", options.DevicePath);
DicConsole.DebugWriteLine("Media-Scan command", "--mhdd-log={0}", options.MHDDLogPath);
if (options.DevicePath.Length == 2 && options.DevicePath[1] == ':' &&
options.DevicePath[0] != '/' && Char.IsLetter(options.DevicePath[0]))
{
options.DevicePath = "\\\\.\\" + Char.ToUpper(options.DevicePath[0]) + ':';
}
mhddFs = null;
Device dev = new Device(options.DevicePath);
if (dev.Error)
{
DicConsole.ErrorWriteLine("Error {0} opening device.", dev.LastError);
return;
}
switch (dev.Type)
{
case DeviceType.ATA:
doATAMediaScan(options.MHDDLogPath, dev);
break;
case DeviceType.MMC:
case DeviceType.SecureDigital:
doSDMediaScan(options.MHDDLogPath, dev);
break;
case DeviceType.NVMe:
doNVMeMediaScan(options.MHDDLogPath, dev);
break;
case DeviceType.ATAPI:
case DeviceType.SCSI:
doSCSIMediaScan(options.MHDDLogPath, dev);
break;
default:
throw new NotSupportedException("Unknown device type.");
}
}
static void doATAMediaScan(string MHDDLogPath, Device dev)
{
throw new NotImplementedException("ATA devices not yet supported.");
}
static void doNVMeMediaScan(string MHDDLogPath, Device dev)
{
throw new NotImplementedException("NVMe devices not yet supported.");
}
static void doSDMediaScan(string MHDDLogPath, Device dev)
{
throw new NotImplementedException("MMC/SD devices not yet supported.");
}
static void doSCSIMediaScan(string MHDDLogPath, Device dev)
{
byte[] cmdBuf;
byte[] senseBuf;
bool sense = false;
double duration;
ulong blocks = 0;
uint blockSize = 0;
if (dev.IsRemovable)
{
sense = dev.ScsiTestUnitReady(out senseBuf, dev.Timeout, out duration);
if (sense)
{
Decoders.SCSI.FixedSense? decSense = Decoders.SCSI.Sense.DecodeFixed(senseBuf);
if (decSense.HasValue)
{
if (decSense.Value.ASC == 0x3A)
{
int leftRetries = 5;
while (leftRetries > 0)
{
DicConsole.WriteLine("\rWaiting for drive to become ready");
System.Threading.Thread.Sleep(2000);
sense = dev.ScsiTestUnitReady(out senseBuf, dev.Timeout, out duration);
if (!sense)
break;
leftRetries--;
}
if (sense)
{
DicConsole.ErrorWriteLine("Please insert media in drive");
return;
}
}
else if (decSense.Value.ASC == 0x04 && decSense.Value.ASCQ == 0x01)
{
int leftRetries = 10;
while (leftRetries > 0)
{
DicConsole.WriteLine("\rWaiting for drive to become ready");
System.Threading.Thread.Sleep(2000);
sense = dev.ScsiTestUnitReady(out senseBuf, dev.Timeout, out duration);
if (!sense)
break;
leftRetries--;
}
if (sense)
{
DicConsole.ErrorWriteLine("Error testing unit was ready:\n{0}", Decoders.SCSI.Sense.PrettifySense(senseBuf));
return;
}
}
else
{
DicConsole.ErrorWriteLine("Error testing unit was ready:\n{0}", Decoders.SCSI.Sense.PrettifySense(senseBuf));
return;
}
}
else
{
DicConsole.ErrorWriteLine("Unknown testing unit was ready.");
return;
}
}
}
if (dev.SCSIType == DiscImageChef.Decoders.SCSI.PeripheralDeviceTypes.DirectAccess ||
dev.SCSIType == DiscImageChef.Decoders.SCSI.PeripheralDeviceTypes.MultiMediaDevice ||
dev.SCSIType == DiscImageChef.Decoders.SCSI.PeripheralDeviceTypes.OCRWDevice ||
dev.SCSIType == DiscImageChef.Decoders.SCSI.PeripheralDeviceTypes.OpticalDevice ||
dev.SCSIType == DiscImageChef.Decoders.SCSI.PeripheralDeviceTypes.SimplifiedDevice ||
dev.SCSIType == DiscImageChef.Decoders.SCSI.PeripheralDeviceTypes.WriteOnceDevice)
{
sense = dev.ReadCapacity(out cmdBuf, out senseBuf, dev.Timeout, out duration);
if (!sense)
{
blocks = (ulong)((cmdBuf[0] << 24) + (cmdBuf[1] << 16) + (cmdBuf[2] << 8) + (cmdBuf[3]));
blockSize = (uint)((cmdBuf[5] << 24) + (cmdBuf[5] << 16) + (cmdBuf[6] << 8) + (cmdBuf[7]));
}
if (sense || blocks == 0xFFFFFFFF)
{
sense = dev.ReadCapacity16(out cmdBuf, out senseBuf, dev.Timeout, out duration);
if (sense && blocks == 0)
{
// Not all MMC devices support READ CAPACITY, as they have READ TOC
if (dev.SCSIType != DiscImageChef.Decoders.SCSI.PeripheralDeviceTypes.MultiMediaDevice)
{
DicConsole.ErrorWriteLine("Unable to get media capacity");
DicConsole.ErrorWriteLine("{0}", Decoders.SCSI.Sense.PrettifySense(senseBuf));
}
}
if (!sense)
{
byte[] temp = new byte[8];
Array.Copy(cmdBuf, 0, temp, 0, 8);
Array.Reverse(temp);
blocks = BitConverter.ToUInt64(temp, 0);
blockSize = (uint)((cmdBuf[5] << 24) + (cmdBuf[5] << 16) + (cmdBuf[6] << 8) + (cmdBuf[7]));
}
}
if (blocks != 0 && blockSize != 0)
{
blocks++;
DicConsole.WriteLine("Media has {0} blocks of {1} bytes/each. (for a total of {2} bytes)",
blocks, blockSize, blocks * (ulong)blockSize);
}
}
if (dev.SCSIType == DiscImageChef.Decoders.SCSI.PeripheralDeviceTypes.SequentialAccess)
{
DicConsole.WriteLine("Scanning will never be supported on SCSI Streaming Devices.");
DicConsole.WriteLine("It has no sense to do it, and it will put too much strain on the tape.");
return;
}
if (blocks == 0)
{
DicConsole.ErrorWriteLine("Unable to read medium or empty medium present...");
return;
}
bool compactDisc = true;
Decoders.CD.FullTOC.CDFullTOC? toc = null;
if (dev.SCSIType == DiscImageChef.Decoders.SCSI.PeripheralDeviceTypes.MultiMediaDevice)
{
sense = dev.GetConfiguration(out cmdBuf, out senseBuf, 0, MmcGetConfigurationRt.Current, dev.Timeout, out duration);
if (!sense)
{
Decoders.SCSI.MMC.Features.SeparatedFeatures ftr = Decoders.SCSI.MMC.Features.Separate(cmdBuf);
switch (ftr.CurrentProfile)
{
case 0x0005:
case 0x0008:
case 0x0009:
case 0x000A:
case 0x0020:
case 0x0021:
case 0x0022:
break;
default:
compactDisc = false;
break;
}
}
if (compactDisc)
{
// We discarded all discs that falsify a TOC before requesting a real TOC
// No TOC, no CD (or an empty one)
bool tocSense = dev.ReadRawToc(out cmdBuf, out senseBuf, 1, dev.Timeout, out duration);
if (!tocSense)
toc = Decoders.CD.FullTOC.Decode(cmdBuf);
}
}
else
compactDisc = false;
byte[] readBuffer;
uint blocksToRead = 255;
ulong A = 0; // <3ms
ulong B = 0; // >=3ms, <10ms
ulong C = 0; // >=10ms, <50ms
ulong D = 0; // >=50ms, <150ms
ulong E = 0; // >=150ms, <500ms
ulong F = 0; // >=500ms
ulong errored = 0;
DateTime start;
DateTime end;
double totalDuration = 0;
double currentSpeed = 0;
double maxSpeed = double.MinValue;
double minSpeed = double.MaxValue;
List<ulong> unreadableSectors = new List<ulong>();
aborted = false;
System.Console.CancelKeyPress += (sender, e) =>
{
e.Cancel = aborted = true;
};
bool read6 = false, read10 = false, read12 = false, read16 = false, readcd;
if (compactDisc)
{
if (toc == null)
{
DicConsole.ErrorWriteLine("Error trying to decode TOC...");
return;
}
readcd = !dev.ReadCd(out readBuffer, out senseBuf, 0, 2352, 1, MmcSectorTypes.AllTypes, false, false, true, MmcHeaderCodes.AllHeaders,
true, true, MmcErrorField.None, MmcSubchannel.None, dev.Timeout, out duration);
if (readcd)
DicConsole.WriteLine("Using MMC READ CD command.");
start = DateTime.UtcNow;
while (true)
{
if (readcd)
{
sense = dev.ReadCd(out readBuffer, out senseBuf, 0, 2352, blocksToRead, MmcSectorTypes.AllTypes, false, false, true, MmcHeaderCodes.AllHeaders,
true, true, MmcErrorField.None, MmcSubchannel.None, dev.Timeout, out duration);
if (dev.Error)
blocksToRead /= 2;
}
if (!dev.Error || blocksToRead == 1)
break;
}
if (dev.Error)
{
DicConsole.ErrorWriteLine("Device error {0} trying to guess ideal transfer length.", dev.LastError);
return;
}
DicConsole.WriteLine("Reading {0} sectors at a time.", blocksToRead);
initMHDDLogFile(MHDDLogPath, dev, blocks, blockSize, blocksToRead);
for (ulong i = 0; i < blocks; i += blocksToRead)
{
if (aborted)
break;
double cmdDuration = 0;
if ((blocks - i) < blocksToRead)
blocksToRead = (uint)(blocks - i);
if (currentSpeed > maxSpeed && currentSpeed != 0)
maxSpeed = currentSpeed;
if (currentSpeed < minSpeed && currentSpeed != 0)
minSpeed = currentSpeed;
DicConsole.Write("\rReading sector {0} of {1} ({2:F3} MiB/sec.)", i, blocks, currentSpeed);
if (readcd)
{
sense = dev.ReadCd(out readBuffer, out senseBuf, (uint)i, 2352, blocksToRead, MmcSectorTypes.AllTypes, false, false, true, MmcHeaderCodes.AllHeaders,
true, true, MmcErrorField.None, MmcSubchannel.None, dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
}
if (!sense)
{
if (cmdDuration >= 500)
{
F += blocksToRead;
}
else if (cmdDuration >= 150)
{
E += blocksToRead;
}
else if (cmdDuration >= 50)
{
D += blocksToRead;
}
else if (cmdDuration >= 10)
{
C += blocksToRead;
}
else if (cmdDuration >= 3)
{
B += blocksToRead;
}
else
{
A += blocksToRead;
}
writeMHDDLogFile(i, cmdDuration);
}
else
{
DicConsole.DebugWriteLine("Media-Scan", "READ CD error:\n{0}", Decoders.SCSI.Sense.PrettifySense(senseBuf));
Decoders.SCSI.FixedSense? senseDecoded = Decoders.SCSI.Sense.DecodeFixed(senseBuf);
if (senseDecoded.HasValue)
{
// TODO: This error happens when changing from track type afaik. Need to solve that more cleanly
// LOGICAL BLOCK ADDRESS OUT OF RANGE
if ((senseDecoded.Value.ASC != 0x21 || senseDecoded.Value.ASCQ != 0x00) &&
// ILLEGAL MODE FOR THIS TRACK (requesting sectors as-is, this is a firmware misconception when audio sectors
// are in a track where subchannel indicates data)
(senseDecoded.Value.ASC != 0x64 || senseDecoded.Value.ASCQ != 0x00))
{
errored += blocksToRead;
unreadableSectors.Add(i);
if (cmdDuration < 500)
writeMHDDLogFile(i, 65535);
else
writeMHDDLogFile(i, cmdDuration);
}
}
else
{
errored += blocksToRead;
unreadableSectors.Add(i);
if (cmdDuration < 500)
writeMHDDLogFile(i, 65535);
else
writeMHDDLogFile(i, cmdDuration);
}
}
currentSpeed = ((double)blockSize * blocksToRead / (double)1048576) / (cmdDuration / (double)1000);
GC.Collect();
}
end = DateTime.UtcNow;
DicConsole.WriteLine();
closeMHDDLogFile();
}
else
{
read6 = !dev.Read6(out readBuffer, out senseBuf, 0, blockSize, dev.Timeout, out duration);
read10 = !dev.Read10(out readBuffer, out senseBuf, 0, false, true, false, false, 0, blockSize, 0, 1, dev.Timeout, out duration);
read12 = !dev.Read12(out readBuffer, out senseBuf, 0, false, true, false, false, 0, blockSize, 0, 1, false, dev.Timeout, out duration);
read16 = !dev.Read16(out readBuffer, out senseBuf, 0, false, true, false, 0, blockSize, 0, 1, false, dev.Timeout, out duration);
if (!read6 && !read10 && !read12 && !read16)
{
DicConsole.ErrorWriteLine("Cannot read medium, aborting scan...");
return;
}
if (read6 && !read10 && !read12 && !read16 && blocks > (0x001FFFFF + 1))
{
DicConsole.ErrorWriteLine("Device only supports SCSI READ (6) but has more than {0} blocks ({1} blocks total)", 0x001FFFFF + 1, blocks);
return;
}
if (!read16 && blocks > ((long)0xFFFFFFFF + (long)1))
{
DicConsole.ErrorWriteLine("Device only supports SCSI READ (16) but has more than {0} blocks ({1} blocks total)", (long)0xFFFFFFFF + (long)1, blocks);
return;
}
if (read16)
DicConsole.WriteLine("Using SCSI READ (16) command.");
else if (read12)
DicConsole.WriteLine("Using SCSI READ (12) command.");
else if (read10)
DicConsole.WriteLine("Using SCSI READ (10) command.");
else if (read6)
DicConsole.WriteLine("Using SCSI READ (6) command.");
start = DateTime.UtcNow;
while (true)
{
if (read16)
{
sense = dev.Read16(out readBuffer, out senseBuf, 0, false, true, false, 0, blockSize, 0, blocksToRead, false, dev.Timeout, out duration);
if (dev.Error)
blocksToRead /= 2;
}
else if (read12)
{
sense = dev.Read12(out readBuffer, out senseBuf, 0, false, false, false, false, 0, blockSize, 0, blocksToRead, false, dev.Timeout, out duration);
if (dev.Error)
blocksToRead /= 2;
}
else if (read10)
{
sense = dev.Read10(out readBuffer, out senseBuf, 0, false, true, false, false, 0, blockSize, 0, (ushort)blocksToRead, dev.Timeout, out duration);
if (dev.Error)
blocksToRead /= 2;
}
else if (read6)
{
sense = dev.Read6(out readBuffer, out senseBuf, 0, blockSize, (byte)blocksToRead, dev.Timeout, out duration);
if (dev.Error)
blocksToRead /= 2;
}
if (!dev.Error || blocksToRead == 1)
break;
}
if (dev.Error)
{
DicConsole.ErrorWriteLine("Device error {0} trying to guess ideal transfer length.", dev.LastError);
return;
}
DicConsole.WriteLine("Reading {0} sectors at a time.", blocksToRead);
initMHDDLogFile(MHDDLogPath, dev, blocks, blockSize, blocksToRead);
for (ulong i = 0; i < blocks; i += blocksToRead)
{
if (aborted)
break;
double cmdDuration = 0;
if ((blocks - i) < blocksToRead)
blocksToRead = (uint)(blocks - i);
if (currentSpeed > maxSpeed && currentSpeed != 0)
maxSpeed = currentSpeed;
if (currentSpeed < minSpeed && currentSpeed != 0)
minSpeed = currentSpeed;
DicConsole.Write("\rReading sector {0} of {1} ({2:F3} MiB/sec.)", i, blocks, currentSpeed);
if (read16)
{
sense = dev.Read16(out readBuffer, out senseBuf, 0, false, true, false, i, blockSize, 0, blocksToRead, false, dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
}
else if (read12)
{
sense = dev.Read12(out readBuffer, out senseBuf, 0, false, false, false, false, (uint)i, blockSize, 0, blocksToRead, false, dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
}
else if (read10)
{
sense = dev.Read10(out readBuffer, out senseBuf, 0, false, true, false, false, (uint)i, blockSize, 0, (ushort)blocksToRead, dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
}
else if (read6)
{
sense = dev.Read6(out readBuffer, out senseBuf, (uint)i, blockSize, (byte)blocksToRead, dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
}
if (!sense && !dev.Error)
{
if (cmdDuration >= 500)
F += blocksToRead;
else if (cmdDuration >= 150)
E += blocksToRead;
else if (cmdDuration >= 50)
D += blocksToRead;
else if (cmdDuration >= 10)
C += blocksToRead;
else if (cmdDuration >= 3)
B += blocksToRead;
else
A += blocksToRead;
writeMHDDLogFile(i, cmdDuration);
}
// TODO: Separate errors on kind of errors.
else
{
errored += blocksToRead;
unreadableSectors.Add(i);
DicConsole.DebugWriteLine("Media-Scan", "READ error:\n{0}", Decoders.SCSI.Sense.PrettifySense(senseBuf));
if (cmdDuration < 500)
writeMHDDLogFile(i, 65535);
else
writeMHDDLogFile(i, cmdDuration);
}
currentSpeed = ((double)blockSize * blocksToRead / (double)1048576) / (cmdDuration / (double)1000);
}
end = DateTime.UtcNow;
DicConsole.WriteLine();
closeMHDDLogFile();
}
bool seek6, seek10;
seek6 = !dev.Seek6(out senseBuf, 0, dev.Timeout, out duration);
seek10 = !dev.Seek10(out senseBuf, 0, dev.Timeout, out duration);
double seekMax = double.MinValue;
double seekMin = double.MaxValue;
double seekTotal = 0;
const int seekTimes = 1000;
double seekCur = 0;
Random rnd = new Random();
uint seekPos = (uint)rnd.Next((int)blocks);
if (seek6)
{
dev.Seek6(out senseBuf, seekPos, dev.Timeout, out seekCur);
DicConsole.WriteLine("Using SCSI SEEK (6) command.");
}
else if (seek10)
{
dev.Seek10(out senseBuf, seekPos, dev.Timeout, out seekCur);
DicConsole.WriteLine("Using SCSI SEEK (10) command.");
}
else
{
if (read16)
DicConsole.WriteLine("Using SCSI READ (16) command for seeking.");
else if (read12)
DicConsole.WriteLine("Using SCSI READ (12) command for seeking.");
else if (read10)
DicConsole.WriteLine("Using SCSI READ (10) command for seeking.");
else if (read6)
DicConsole.WriteLine("Using SCSI READ (6) command for seeking.");
}
for (int i = 0; i < seekTimes; i++)
{
if (aborted)
break;
seekPos = (uint)rnd.Next((int)blocks);
DicConsole.Write("\rSeeking to sector {0}...\t\t", seekPos);
if (seek6)
dev.Seek6(out senseBuf, seekPos, dev.Timeout, out seekCur);
else if (seek10)
dev.Seek10(out senseBuf, seekPos, dev.Timeout, out seekCur);
else
{
if (read16)
{
dev.Read16(out readBuffer, out senseBuf, 0, false, true, false, seekPos, blockSize, 0, 1, false, dev.Timeout, out seekCur);
}
else if (read12)
{
dev.Read12(out readBuffer, out senseBuf, 0, false, false, false, false, seekPos, blockSize, 0, 1, false, dev.Timeout, out seekCur);
}
else if (read10)
{
dev.Read10(out readBuffer, out senseBuf, 0, false, true, false, false, seekPos, blockSize, 0, (ushort)1, dev.Timeout, out seekCur);
}
else if (read6)
{
dev.Read6(out readBuffer, out senseBuf, seekPos, blockSize, 1, dev.Timeout, out seekCur);
}
}
if (seekCur > seekMax && seekCur != 0)
seekMax = seekCur;
if (seekCur < seekMin && seekCur != 0)
seekMin = seekCur;
seekTotal += seekCur;
GC.Collect();
}
DicConsole.WriteLine();
DicConsole.WriteLine("Took a total of {0} seconds ({1} processing commands).", (end - start).TotalSeconds, totalDuration / 1000);
DicConsole.WriteLine("Avegare speed: {0:F3} MiB/sec.", (((double)blockSize * (double)(blocks + 1)) / 1048576) / (totalDuration / 1000));
DicConsole.WriteLine("Fastest speed burst: {0:F3} MiB/sec.", maxSpeed);
DicConsole.WriteLine("Slowest speed burst: {0:F3} MiB/sec.", minSpeed);
DicConsole.WriteLine("Summary:");
DicConsole.WriteLine("{0} sectors took less than 3 ms.", A);
DicConsole.WriteLine("{0} sectors took less than 10 ms but more than 3 ms.", B);
DicConsole.WriteLine("{0} sectors took less than 50 ms but more than 10 ms.", C);
DicConsole.WriteLine("{0} sectors took less than 150 ms but more than 50 ms.", D);
DicConsole.WriteLine("{0} sectors took less than 500 ms but more than 150 ms.", E);
DicConsole.WriteLine("{0} sectors took more than 500 ms.", F);
DicConsole.WriteLine("{0} sectors could not be read.", errored);
if (unreadableSectors.Count > 0)
{
foreach (ulong bad in unreadableSectors)
DicConsole.WriteLine("Sector {0} could not be read", bad);
}
DicConsole.WriteLine();
if (seekTotal != 0 || seekMin != double.MaxValue || seekMax != double.MinValue)
DicConsole.WriteLine("Testing {0} seeks, longest seek took {1} ms, fastest one took {2} ms. ({3} ms average)",
seekTimes, seekMax, seekMin, seekTotal / 1000);
}
static void initMHDDLogFile(string outputFile, Device dev, ulong blocks, ulong blockSize, ulong blocksToRead)
{
if (dev != null && !string.IsNullOrEmpty(outputFile))
{
mhddFs = new FileStream(outputFile, FileMode.Create);
string device;
string mode;
string fw;
string sn;
string sectors;
string sectorsize;
string scanblocksize;
string ver;
switch (dev.Type)
{
case DeviceType.ATA:
case DeviceType.ATAPI:
mode = "MODE: IDE";
break;
case DeviceType.SCSI:
mode = "MODE: SCSI";
break;
case DeviceType.MMC:
mode = "MODE: MMC";
break;
case DeviceType.NVMe:
mode = "MODE: NVMe";
break;
case DeviceType.SecureDigital:
mode = "MODE: SD";
break;
default:
mode = "MODE: IDE";
break;
}
device = String.Format("DEVICE: {0} {1}", dev.Manufacturer, dev.Model);
fw = String.Format("F/W: {0}", dev.Revision);
sn = String.Format("S/N: {0}", dev.Serial);
sectors = String.Format(new System.Globalization.CultureInfo("en-US"), "SECTORS: {0:n0}", blocks);
sectorsize = String.Format(new System.Globalization.CultureInfo("en-US"), "SECTOR SIZE: {0:n0} bytes", blockSize);
scanblocksize = String.Format(new System.Globalization.CultureInfo("en-US"), "SCAN BLOCK SIZE: {0:n0} sectors", blocksToRead);
ver = "VER:2 ";
byte[] deviceBytes = Encoding.ASCII.GetBytes(device);
byte[] modeBytes = Encoding.ASCII.GetBytes(mode);
byte[] fwBytes = Encoding.ASCII.GetBytes(fw);
byte[] snBytes = Encoding.ASCII.GetBytes(sn);
byte[] sectorsBytes = Encoding.ASCII.GetBytes(sectors);
byte[] sectorsizeBytes = Encoding.ASCII.GetBytes(sectorsize);
byte[] scanblocksizeBytes = Encoding.ASCII.GetBytes(scanblocksize);
byte[] verBytes = Encoding.ASCII.GetBytes(ver);
uint Pointer = (uint)(deviceBytes.Length + modeBytes.Length + fwBytes.Length +
snBytes.Length + sectorsBytes.Length + sectorsizeBytes.Length +
scanblocksizeBytes.Length + verBytes.Length +
2 * 9 + // New lines
4); // Pointer
byte[] newLine = new byte[2];
newLine[0] = 0x0D;
newLine[1] = 0x0A;
mhddFs.Write(BitConverter.GetBytes(Pointer), 0, 4);
mhddFs.Write(newLine, 0, 2);
mhddFs.Write(verBytes, 0, verBytes.Length);
mhddFs.Write(newLine, 0, 2);
mhddFs.Write(modeBytes, 0, modeBytes.Length);
mhddFs.Write(newLine, 0, 2);
mhddFs.Write(deviceBytes, 0, deviceBytes.Length);
mhddFs.Write(newLine, 0, 2);
mhddFs.Write(fwBytes, 0, fwBytes.Length);
mhddFs.Write(newLine, 0, 2);
mhddFs.Write(snBytes, 0, snBytes.Length);
mhddFs.Write(newLine, 0, 2);
mhddFs.Write(sectorsBytes, 0, sectorsBytes.Length);
mhddFs.Write(newLine, 0, 2);
mhddFs.Write(sectorsizeBytes, 0, sectorsizeBytes.Length);
mhddFs.Write(newLine, 0, 2);
mhddFs.Write(scanblocksizeBytes, 0, scanblocksizeBytes.Length);
mhddFs.Write(newLine, 0, 2);
}
}
static void closeMHDDLogFile()
{
if (mhddFs != null)
mhddFs.Close();
}
static void writeMHDDLogFile(ulong sector, double duration)
{
if (mhddFs != null)
{
byte[] sectorBytes = BitConverter.GetBytes(sector);
byte[] durationBytes = BitConverter.GetBytes((ulong)(duration * 1000));
mhddFs.Write(sectorBytes, 0, 8);
mhddFs.Write(durationBytes, 0, 8);
}
}
}
}