private void WriteObjectToTar (TarOutputStream tar_out,
FileSystemObject fso,
EventTracker tracker)
{
MemoryStream memory = null;
TarHeader header;
header = new TarHeader ();
StringBuilder name_builder;
name_builder = new StringBuilder (fso.FullName);
name_builder.Remove (0, this.FullName.Length+1);
header.Name = name_builder.ToString ();
header.ModTime = fso.Timestamp;
if (fso is DirectoryObject) {
header.Mode = 511; // 0777
header.TypeFlag = TarHeader.LF_DIR;
header.Size = 0;
} else {
header.Mode = 438; // 0666
header.TypeFlag = TarHeader.LF_NORMAL;
memory = new MemoryStream ();
((FileObject) fso).AddToStream (memory, tracker);
header.Size = memory.Length;
}
TarEntry entry;
entry = new TarEntry (header);
tar_out.PutNextEntry (entry);
if (memory != null) {
tar_out.Write (memory.ToArray (), 0, (int) memory.Length);
memory.Close ();
}
tar_out.CloseEntry ();
// If this is a directory, write out the children
if (fso is DirectoryObject)
foreach (FileSystemObject child in fso.Children)
WriteObjectToTar (tar_out, child, tracker);
}
public void TestExtractArchiveTarGzCreateContainer()
{
CloudFilesProvider provider = (CloudFilesProvider)Bootstrapper.CreateObjectStorageProvider();
string containerName = TestContainerPrefix + Path.GetRandomFileName();
string sourceFileName = "DarkKnightRises.jpg";
byte[] content = File.ReadAllBytes("DarkKnightRises.jpg");
using (MemoryStream outputStream = new MemoryStream())
{
using (GZipOutputStream gzoStream = new GZipOutputStream(outputStream))
{
gzoStream.IsStreamOwner = false;
gzoStream.SetLevel(9);
using (TarOutputStream tarOutputStream = new TarOutputStream(gzoStream))
{
tarOutputStream.IsStreamOwner = false;
TarEntry entry = TarEntry.CreateTarEntry(containerName + '/' + sourceFileName);
entry.Size = content.Length;
tarOutputStream.PutNextEntry(entry);
tarOutputStream.Write(content, 0, content.Length);
tarOutputStream.CloseEntry();
tarOutputStream.Close();
}
}
outputStream.Flush();
outputStream.Position = 0;
ExtractArchiveResponse response = provider.ExtractArchive(outputStream, "", ArchiveFormat.TarGz);
Assert.IsNotNull(response);
Assert.AreEqual(1, response.CreatedFiles);
Assert.IsNotNull(response.Errors);
Assert.AreEqual(0, response.Errors.Count);
}
using (MemoryStream downloadStream = new MemoryStream())
{
provider.GetObject(containerName, sourceFileName, downloadStream, verifyEtag: true);
Assert.AreEqual(content.Length, GetContainerObjectSize(provider, containerName, sourceFileName));
downloadStream.Position = 0;
byte[] actualData = new byte[downloadStream.Length];
downloadStream.Read(actualData, 0, actualData.Length);
Assert.AreEqual(content.Length, actualData.Length);
using (MD5 md5 = MD5.Create())
{
byte[] contentMd5 = md5.ComputeHash(content);
byte[] actualMd5 = md5.ComputeHash(actualData);
Assert.AreEqual(BitConverter.ToString(contentMd5), BitConverter.ToString(actualMd5));
}
}
/* Cleanup
*/
provider.DeleteContainer(containerName, deleteObjects: true);
}
public TarCore(CloudBlobClient blobClient, Stream outputStream) : base(blobClient, outputStream)
{
var archiveStream = new TarOutputStream(outputStream);
archiveStream.IsStreamOwner = false;
_archiveStream = archiveStream;
}
protected TarArchive(TarOutputStream stream)
{
if ( stream == null ) {
throw new ArgumentNullException("stream");
}
tarOut = stream;
}
protected TarArchive(TarOutputStream stream)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
tarOut = stream;
}
/// <summary>
/// Prepares to generate a TAR archive from a directory.
/// </summary>
/// <param name="sourceDirectory">The path of the directory to capture/store in the archive.</param>
/// <param name="stream">The stream to write the generated archive to. Will be disposed when the generator is disposed.</param>
internal TarGenerator([NotNull] string sourceDirectory, [NotNull] Stream stream)
: base(sourceDirectory)
{
#region Sanity checks
if (stream == null) throw new ArgumentNullException(nameof(stream));
#endregion
_tarStream = new TarOutputStream(stream);
}
protected TarArchive(TarOutputStream stream)
{
//IL_0024: Unknown result type (might be due to invalid IL or missing references)
if (stream == null)
{
throw new ArgumentNullException("stream");
}
tarOut = stream;
}
/// <summary>
/// Initialise a TarArchive for output.
/// </summary>
/// <param name="stream">The <see cref="TarOutputStream"/> to use for output.</param>
protected TarArchive(TarOutputStream stream)
{
if (stream == null)
{
throw new ArgumentNullException(SerialportSample.XWUtils.nameof(stream));
}
tarOut = stream;
}
public void BlockFactorHandling()
{
const int MinimumBlockFactor = 1;
const int MaximumBlockFactor = 64;
const int FillFactor = 2;
for ( int factor = MinimumBlockFactor; factor < MaximumBlockFactor; ++factor)
{
MemoryStream ms = new MemoryStream();
using ( TarOutputStream tarOut = new TarOutputStream(ms, factor) )
{
TarEntry entry = TarEntry.CreateTarEntry("TestEntry");
entry.Size = (TarBuffer.BlockSize * factor * FillFactor);
tarOut.PutNextEntry(entry);
byte[] buffer = new byte[TarBuffer.BlockSize];
Random r = new Random();
r.NextBytes(buffer);
// Last block is a partial one
for ( int i = 0; i < factor * FillFactor; ++i)
{
tarOut.Write(buffer, 0, buffer.Length);
}
}
byte[] tarData = ms.ToArray();
Assert.IsNotNull(tarData, "Data written is null");
// Blocks = Header + Data Blocks + Zero block + Record trailer
int usedBlocks = 1 + (factor * FillFactor) + 1;
int totalBlocks = usedBlocks + (factor - 1);
totalBlocks /= factor;
totalBlocks *= factor;
Assert.AreEqual(TarBuffer.BlockSize * totalBlocks, tarData.Length, "Tar file should contain {0} blocks in length",
totalBlocks);
if ( usedBlocks < totalBlocks )
{
// Start at first byte after header.
int byteIndex = TarBuffer.BlockSize * ((factor * FillFactor)+ 1);
while ( byteIndex < tarData.Length )
{
int blockNumber = byteIndex / TarBuffer.BlockSize;
int offset = blockNumber % TarBuffer.BlockSize;
Assert.AreEqual(0, tarData[byteIndex],
string.Format("Trailing block data should be null iteration {0} block {1} offset {2} index {3}",
factor,
blockNumber, offset, byteIndex));
byteIndex += 1;
}
}
}
}
public static TarArchive CreateOutputTarArchive(Stream outputStream)
{
if (outputStream == null)
{
throw new ArgumentNullException("outputStream");
}
TarOutputStream stream = outputStream as TarOutputStream;
return((stream == null) ? CreateOutputTarArchive(outputStream, 20) : new TarArchive(stream));
}
protected TarArchive(TarOutputStream stream)
{
this.userName = string.Empty;
this.groupName = string.Empty;
if (stream == null)
{
throw new ArgumentNullException("stream");
}
this.tarOut = stream;
}
public static TarArchive CreateOutputTarArchive(Stream outputStream)
{
if (outputStream == null)
{
throw new ArgumentNullException("outputStream");
}
TarOutputStream tarOutputStream = outputStream as TarOutputStream;
if (tarOutputStream != null)
{
return(new TarArchive(tarOutputStream));
}
return(CreateOutputTarArchive(outputStream, 20));
}
public static TarArchive CreateOutputTarArchive(Stream outputStream)
{
//IL_0008: Unknown result type (might be due to invalid IL or missing references)
if (outputStream == null)
{
throw new ArgumentNullException("outputStream");
}
TarOutputStream tarOutputStream = outputStream as TarOutputStream;
if (tarOutputStream != null)
{
return(new TarArchive(tarOutputStream));
}
return(CreateOutputTarArchive(outputStream, 20));
}
/// <summary>
/// Create a TarArchive for writing to, using the default blocking factor
/// </summary>
/// <param name="outputStream">The <see cref="Stream"/> to write to</param>
/// <returns>Returns a <see cref="TarArchive"/> suitable for writing.</returns>
public static TarArchive CreateOutputTarArchive(Stream outputStream)
{
if (outputStream == null)
{
throw new ArgumentNullException("outputStream");
}
TarOutputStream tarStream = outputStream as TarOutputStream;
if (tarStream != null)
{
return(new TarArchive(tarStream));
}
else
{
return(CreateOutputTarArchive(outputStream, TarBuffer.DefaultBlockFactor));
}
}
public static TarArchive CreateOutputTarArchive(Stream outputStream)
{
if (outputStream == null)
{
throw new ArgumentNullException("outputStream");
}
TarOutputStream tarOutputStream = outputStream as TarOutputStream;
TarArchive result;
if (tarOutputStream != null)
{
result = new TarArchive(tarOutputStream);
}
else
{
result = TarArchive.CreateOutputTarArchive(outputStream, 20);
}
return(result);
}
public void Checksum()
{
MemoryStream ms = new MemoryStream();
TarOutputStream tarOut = new TarOutputStream(ms);
DateTime modTime = DateTime.Now;
TarEntry entry = TarEntry.CreateTarEntry("TestEntry");
entry.TarHeader.Mode = 12345;
tarOut.PutNextEntry(entry);
tarOut.Close();
MemoryStream ms2 = new MemoryStream();
ms2.Write(ms.GetBuffer(), 0, ms.GetBuffer().Length);
ms2.Seek(0, SeekOrigin.Begin);
TarInputStream tarIn = new TarInputStream(ms2);
TarEntry nextEntry = tarIn.GetNextEntry();
Assert.IsTrue(nextEntry.TarHeader.IsChecksumValid, "Checksum should be valid");
MemoryStream ms3 = new MemoryStream();
ms3.Write(ms.GetBuffer(), 0, ms.GetBuffer().Length);
ms3.Seek(0, SeekOrigin.Begin);
ms3.Write(new byte[1] { 34 }, 0, 1);
ms3.Seek(0, SeekOrigin.Begin);
tarIn = new TarInputStream(ms3);
bool trapped = false;
try
{
nextEntry = tarIn.GetNextEntry();
}
catch (TarException)
{
trapped = true;
}
Assert.IsTrue(trapped, "Checksum should be invalid");
}
public void TrailerContainsNulls()
{
const int TestBlockFactor = 3;
for ( int iteration = 0; iteration < TestBlockFactor * 2; ++iteration)
{
MemoryStream ms = new MemoryStream();
using ( TarOutputStream tarOut = new TarOutputStream(ms, TestBlockFactor) )
{
TarEntry entry = TarEntry.CreateTarEntry("TestEntry");
if ( iteration > 0 )
{
entry.Size = (TarBuffer.BlockSize * (iteration - 1)) + 9;
}
tarOut.PutNextEntry(entry);
byte[] buffer = new byte[TarBuffer.BlockSize];
Random r = new Random();
r.NextBytes(buffer);
if ( iteration > 0 )
{
for ( int i = 0; i < iteration - 1; ++i )
{
tarOut.Write(buffer, 0, buffer.Length);
}
// Last block is a partial one
for ( int i = 1; i < 10; ++i)
{
tarOut.WriteByte((byte)i);
}
}
}
byte[] tarData = ms.ToArray();
Assert.IsNotNull(tarData, "Data written is null");
// Blocks = Header + Data Blocks + Zero block + Record trailer
int usedBlocks = 1 + iteration + 1;
int totalBlocks = usedBlocks + (TestBlockFactor - 1);
totalBlocks /= TestBlockFactor;
totalBlocks *= TestBlockFactor;
Assert.AreEqual(TarBuffer.BlockSize * totalBlocks, tarData.Length,
string.Format("Tar file should be {0} blocks in length", totalBlocks));
if ( usedBlocks < totalBlocks )
{
// Start at first byte after header.
int byteIndex = TarBuffer.BlockSize * (iteration + 1);
while ( byteIndex < tarData.Length )
{
int blockNumber = byteIndex / TarBuffer.BlockSize;
int offset = blockNumber % TarBuffer.BlockSize;
Assert.AreEqual(0, tarData[byteIndex],
string.Format("Trailing block data should be null iteration {0} block {1} offset {2} index {3}",
iteration,
blockNumber, offset, byteIndex));
byteIndex += 1;
}
}
}
}
public override void SetBaseStream(Stream outputStream)
{
tar = new TarOutputStream(outputStream);
disposed = false;
}
protected override void _Partir(string fichero, string sal1, string dir, long kb)
{
FileInfo fi = null;
DirectoryInfo din = null;
DirectoryInfo dout = new DirectoryInfo (dir);
if (File.Exists (fichero)) {
fi = new FileInfo (fichero);
} else if (Directory.Exists (fichero)) {
din = new DirectoryInfo (fichero);
} else {
throw new Exception ("" + fichero + " not found");
}
List<FileInfo> files = load (fichero);
string baseName = "";
if (fi != null) {
baseName = fi.Name;
} else if (din != null) {
baseName = din.Name;
}
if ((sal1 == null) || (sal1 == string.Empty)) {
//
if (din != null) {
sal1 = din.Name;
}
if (fi != null) {
sal1 = fi.Name;
}
}
long totalSize = calculateTotalSize (files);
long fragments = totalSize / (kb * 1024);
string s = "" + fragments;
JoinInfo info = new JoinInfo ();
info.OriginalFile = baseName;
info.InitialFragment = 0;
info.Digits = Math.Max (s.Length, 3);
info.BaseName = sal1 + ".tar.gz.";
info.Directory = dout;
info.Length = totalSize;
Stream stream = new SplitStream (info, kb * 1024, info.Directory.FullName + Path.DirectorySeparatorChar + info.BaseName + "sha512sum.dalle", "SHA512");
stream = new GZipStream (stream, CompressionMode.Compress);
TarOutputStream taros = new TarOutputStream (stream);
foreach (FileInfo f in files) {
TarEntry te = TarEntry.CreateEntryFromFile (f.FullName);
te.UserId = 0;
te.GroupId = 0;
te.UserName = String.Empty;
te.GroupName = String.Empty;
taros.PutNextEntry (te);
FileStream fs = f.OpenRead ();
long leidosTotales = 0;
byte[] buffer = new byte[Consts.BUFFER_LENGTH];
int leidos = 0;
while ((leidos = fs.Read (buffer, 0, buffer.Length)) > 0) {
taros.Write (buffer, 0, leidos);
leidosTotales += leidos;
OnProgress (leidosTotales, totalSize);
}
taros.CloseEntry ();
fs.Close ();
}
taros.Close ();
OnProgress (totalSize, totalSize);
}
private void RecursiveTarDir(TarOutputStream stream, IPurePath subdir, IPurePath source, int depth)
{
var sourceStr = source.ToString();
if (depth == 0)
{
return;
}
if (!Directory.Exists(sourceStr))
{
throw new IOException("Could not find path " + source);
}
foreach (var subfile in Directory.EnumerateFiles(sourceStr))
{
TarFile(
stream,
subdir.WithFilename(source.Filename),
Context.LocalEnv.CreatePurePath(subfile));
}
foreach (var dirStr in Directory.EnumerateDirectories(sourceStr))
{
var dir = Context.LocalEnv.CreatePurePath(dirStr);
var dirpath = subdir.Join(Directory.GetParent(dirStr).Name);
RecursiveTarDir(stream, dirpath, dir, depth > 0 ? depth - 1 : depth);
}
}
public void OutputStreamOwnership()
{
TrackedMemoryStream memStream = new TrackedMemoryStream();
TarOutputStream s = new TarOutputStream(memStream);
Assert.IsFalse(memStream.IsClosed, "Shouldnt be closed initially");
Assert.IsFalse(memStream.IsDisposed, "Shouldnt be disposed initially");
s.Close();
Assert.IsTrue(memStream.IsClosed, "Should be closed after parent owner close");
Assert.IsTrue(memStream.IsDisposed, "Should be disposed after parent owner close");
memStream = new TrackedMemoryStream();
s = new TarOutputStream(memStream);
Assert.IsFalse(memStream.IsClosed, "Shouldnt be closed initially");
Assert.IsFalse(memStream.IsDisposed, "Shouldnt be disposed initially");
s.IsStreamOwner = false;
s.Close();
Assert.IsFalse(memStream.IsClosed, "Should not be closed after parent owner close");
Assert.IsFalse(memStream.IsDisposed, "Should not be disposed after parent owner close");
}
public SharpZipTarArchiveWriter(Stream outputStream) : this()
{
tar = new TarOutputStream(outputStream);
}
public void CompressFiles(Stream outputStream, string[] sources,
CompressionScheme scheme, int compressionLevel, int pathDepth)
{
if (scheme == CompressionScheme.None || scheme == CompressionScheme.GZip)
{
var innerStream = outputStream;
try
{
switch (scheme)
{
case CompressionScheme.None:
// Nothing to do...
break;
case CompressionScheme.GZip:
innerStream = new GZipOutputStream(outputStream)
{
IsStreamOwner = false
};
((GZipOutputStream) innerStream).SetLevel(compressionLevel);
break;
default:
throw new NotImplementedException(String.Format(
"Compression Scheme {0} not yet implemented.", scheme));
}
using (var output = new TarOutputStream(innerStream))
{
output.IsStreamOwner = false;
foreach (var source in sources)
{
if (String.IsNullOrWhiteSpace(source))
{
continue;
}
var fullpath = Context.LocalEnv.CurrentDirectory.Join(source);
if (File.Exists(fullpath.ToString()))
{
TarFile(output, null, fullpath);
}
else
{
RecursiveTarDir(output, null, fullpath, pathDepth);
}
}
}
}
finally
{
if (!ReferenceEquals(innerStream, outputStream))
{
// We own the stream... close it.
innerStream.Close();
}
}
}
}
private void TarFile(TarOutputStream stream, IPurePath baseDir, IPurePath sourcePath)
{
var tarName = baseDir.WithFilename(sourcePath.Filename);
var entry = TarEntry.CreateTarEntry(tarName.ToString());
using (var file = File.OpenRead(sourcePath.ToString()))
{
entry.Size = file.Length;
stream.PutNextEntry(entry);
file.CopyTo(stream);
}
stream.CloseEntry();
}
void TryLongName(string name)
{
MemoryStream ms = new MemoryStream();
using ( TarOutputStream tarOut = new TarOutputStream(ms) )
{
DateTime modTime = DateTime.Now;
TarEntry entry = TarEntry.CreateTarEntry(name);
tarOut.PutNextEntry(entry);
}
MemoryStream ms2 = new MemoryStream();
ms2.Write(ms.GetBuffer(), 0, ms.GetBuffer().Length);
ms2.Seek(0, SeekOrigin.Begin);
using (TarInputStream tarIn = new TarInputStream(ms2))
{
TarEntry nextEntry = tarIn.GetNextEntry();
Assert.AreEqual(nextEntry.Name, name, "Name match failure");
}
}
public void ValuesPreserved()
{
MemoryStream ms = new MemoryStream();
TarEntry entry;
DateTime modTime = DateTime.Now;
using (TarOutputStream tarOut = new TarOutputStream(ms))
{
entry = TarEntry.CreateTarEntry("TestEntry");
entry.GroupId = 12;
entry.UserId = 14;
entry.ModTime = modTime;
entry.UserName = "******";
entry.GroupName = "GroupName";
entry.TarHeader.Mode = 12345;
tarOut.PutNextEntry(entry);
}
MemoryStream ms2 = new MemoryStream();
ms2.Write(ms.GetBuffer(), 0, ms.GetBuffer().Length);
ms2.Seek(0, SeekOrigin.Begin);
using (TarInputStream tarIn = new TarInputStream(ms2))
{
TarEntry nextEntry = tarIn.GetNextEntry();
Assert.AreEqual(entry.TarHeader.Checksum, nextEntry.TarHeader.Checksum, "Checksum");
Assert.IsTrue(nextEntry.Equals(entry), "Entries should be equal");
Assert.IsTrue(nextEntry.TarHeader.Equals(entry.TarHeader), "Headers should match");
// Tar only stores seconds
DateTime truncatedTime = new DateTime(modTime.Year, modTime.Month, modTime.Day,
modTime.Hour, modTime.Minute, modTime.Second);
Assert.AreEqual(truncatedTime, nextEntry.ModTime, "Modtimes should match");
int entryCount = 0;
while ( nextEntry != null )
{
++entryCount;
nextEntry = tarIn.GetNextEntry();
}
Assert.AreEqual(1, entryCount, "Expected 1 entry");
}
}
override public void AddToStream (Stream stream, EventTracker tracker)
{
if (tracker != null)
tracker.ExpectingAdded (UriFu.UriToEscapedString (this.Uri));
UnclosableStream unclosable;
unclosable = new UnclosableStream (stream);
TarOutputStream tar_out;
tar_out = new TarOutputStream (unclosable);
foreach (FileSystemObject fso in Children)
WriteObjectToTar (tar_out, fso, tracker);
// This calls close on the underlying stream,
// which is why we wrapped the stream in an
// UnclosableStream.
tar_out.Close ();
}
/// <summary>
/// Initialise a TarArchive for output.
/// </summary>
/// <param name="stream">The <see cref="TarOutputStream"/> to use for output.</param>
protected TarArchive(TarOutputStream stream)
{
tarOut = stream ?? throw new ArgumentNullException(nameof(stream));
}
/// <summary>
/// Read data direct from drive to file
/// </summary>
/// <param name="driveLetter"></param>
/// <param name="fileName"></param>
/// <param name="eCompType"></param>
/// <returns></returns>
public bool ReadDrive(string driveLetter, string fileName, EnumCompressionType eCompType, bool bUseMBR)
{
IsCancelling = false;
var dtStart = DateTime.Now;
//
// Map to physical drive
//
var physicalDrive = _diskAccess.GetPhysicalPathForLogicalPath(driveLetter);
if(string.IsNullOrEmpty(physicalDrive))
{
LogMsg(Resources.Disk_WriteDrive_Error__Couldn_t_map_partition_to_physical_drive);
_diskAccess.UnlockDrive();
return false;
}
//
// Lock logical drive
//
var success = _diskAccess.LockDrive(driveLetter);
if (!success)
{
LogMsg(Resources.Disk_WriteDrive_Failed_to_lock_drive);
return false;
}
//
// Get drive size
//
var driveSize = _diskAccess.GetDriveSize(physicalDrive);
if(driveSize <= 0)
{
LogMsg(Resources.Disk_WriteDrive_Failed_to_get_device_size);
_diskAccess.UnlockDrive();
return false;
}
var readSize = driveSize;
//
// Open the physical drive
//
var physicalHandle = _diskAccess.Open(physicalDrive);
if (physicalHandle == null)
{
LogMsg(Resources.Disk_WriteDrive_Failed_to_open_physical_drive);
_diskAccess.UnlockDrive();
return false;
}
//
// Start doing the read
//
var buffer = new byte[Globals.MaxBufferSize];
var offset = 0L;
using(var basefs = (Stream)new FileStream(fileName, FileMode.Create, FileAccess.Write))
{
Stream fs;
switch (eCompType)
{
case EnumCompressionType.Zip:
var zfs = new ZipOutputStream(basefs);
// Default to middle of the range compression
zfs.SetLevel(Globals.CompressionLevel);
var fi = new FileInfo(fileName);
var entryName = fi.Name;
entryName = entryName.ToLower().Replace(".zip", "");
entryName = ZipEntry.CleanName(entryName);
var zipEntry = new ZipEntry(entryName) {DateTime = fi.LastWriteTime};
zfs.IsStreamOwner = true;
// Todo: Consider whether size needs setting for older utils ?
zfs.PutNextEntry(zipEntry);
fs = zfs;
break;
case EnumCompressionType.Gzip:
var gzis = new GZipOutputStream(basefs);
gzis.SetLevel(Globals.CompressionLevel);
gzis.IsStreamOwner = true;
fs = gzis;
break;
case EnumCompressionType.Targzip:
var gzos = new GZipOutputStream(basefs);
gzos.SetLevel(Globals.CompressionLevel);
gzos.IsStreamOwner = true;
var tos = new TarOutputStream(gzos);
fs = tos;
break;
case EnumCompressionType.XZ:
var xzs = new XZOutputStream(basefs);
fs = xzs;
break;
default:
// No compression - direct to file stream
fs = basefs;
break;
}
while (offset < readSize && !IsCancelling)
{
// NOTE: If we provide a buffer that extends past the end of the physical device ReadFile() doesn't
// seem to do a partial read. Deal with this by reading the remaining bytes at the end of the
// drive if necessary
var readMaxLength =
(int)
((((ulong) readSize - (ulong) offset) < (ulong) buffer.Length)
? ((ulong) readSize - (ulong) offset)
: (ulong) buffer.Length);
int readBytes;
if (_diskAccess.Read(buffer, readMaxLength, out readBytes) < 0)
{
LogMsg(Resources.Disk_ReadDrive_Error_reading_data_from_drive__ +
Marshal.GetHRForLastWin32Error());
goto readfail1;
}
if (readBytes == 0)
{
LogMsg(Resources.Disk_ReadDrive_Error_reading_data_from_drive___past_EOF_);
goto readfail1;
}
// Check MBR
if (bUseMBR && offset == 0)
{
var truncatedSize = ParseMBRForSize(buffer);
if(truncatedSize > driveSize)
{
LogMsg(Resources.Disk_ReadDrive_Problem_with_filesystem__It_reports_it_is_larger_than_the_disk_);
goto readfail1;
}
if(truncatedSize == 0)
{
LogMsg(Resources.Disk_ReadDrive_No_valid_partitions_on_drive);
goto readfail1;
}
readSize = truncatedSize;
}
if(offset == 0)
{
switch (eCompType)
{
case EnumCompressionType.Targzip:
var fi = new FileInfo(fileName);
var entryName = fi.Name;
entryName = entryName.ToLower().Replace(".tar.gz", "");
entryName = entryName.ToLower().Replace(".tgz", "");
var tarEntry = TarEntry.CreateTarEntry(entryName);
tarEntry.Size = readSize;
tarEntry.ModTime = DateTime.SpecifyKind(fi.LastWriteTime, DateTimeKind.Utc);
((TarOutputStream) fs).PutNextEntry(tarEntry);
break;
}
}
fs.Write(buffer, 0, readBytes);
offset += (uint) readBytes;
var percentDone = (int) (100*offset/readSize);
var tsElapsed = DateTime.Now.Subtract(dtStart);
var bytesPerSec = offset/tsElapsed.TotalSeconds;
Progress(percentDone);
LogMsg(Resources.Disk_ReadDrive_Read + @": " + (offset / Globals.MbModifier) + @" / " +
(readSize / Globals.MbModifier) + @" MB " + @"(" + Resources.Disk_ReadDrive_Physical + @": " + (driveSize / Globals.MbModifier) + " MB); " +
string.Format("{0:F}", (bytesPerSec / Globals.MbModifier)) + @" MB/s; " + Resources.Disk_Elapsed_time + ": " +
tsElapsed.ToString(@"hh\:mm\:ss"));
}
if (fs is ZipOutputStream)
{
((ZipOutputStream)fs).CloseEntry();
((ZipOutputStream)fs).Close();
} else if (fs is TarOutputStream)
{
((TarOutputStream) fs).CloseEntry();
fs.Close();
} else if (fs is GZipOutputStream)
{
fs.Close();
} else if (fs is XZOutputStream)
{
fs.Close();
}
}
readfail1:
_diskAccess.Close();
_diskAccess.UnlockDrive();
var tstotalTime = DateTime.Now.Subtract(dtStart);
if (IsCancelling)
LogMsg(Resources.Disk_WriteDrive_Cancelled);
else
LogMsg(Resources.Disk_ReadDrive_All_Done_Read + @" " + offset + @" " + Resources.Disk_WriteDrive_bytes + @". " + Resources.Disk_Elapsed_time + @": " + tstotalTime.ToString(@"hh\:mm\:ss"));
Progress(0);
return true;
}