private void ExtractFile()
{
ArchiveIterator iterator = null;
try
{
using (Stream stream = new FileStream(outFileName, FileMode.Open, FileAccess.Read))
{
iterator = ArchiveFactory.Reader(ArchiveFactory.Type.Zip, stream);
DotNetZipZipIterator zipIterator = iterator as DotNetZipZipIterator;
if (zipIterator != null)
{
zipIterator.CurrentFileExtractProgressChanged +=
archiveIterator_CurrentFileExtractProgressChanged;
}
while (iterator.HasNext())
{
if (Path.GetExtension(iterator.CurrentFileName()) == ".xsupdate")
{
string path = Path.Combine(Path.GetDirectoryName(outFileName), iterator.CurrentFileName());
using (Stream outputStream = new FileStream(path, FileMode.Create))
{
iterator.ExtractCurrentFile(outputStream);
PatchPath = path;
break;
}
}
}
if (zipIterator != null)
{
zipIterator.CurrentFileExtractProgressChanged -=
archiveIterator_CurrentFileExtractProgressChanged;
}
}
}
catch (Exception e)
{
log.ErrorFormat("Exception occurred when extracting downloaded archive: {0}", e.Message);
throw new Exception(Messages.DOWNLOAD_AND_EXTRACT_ACTION_EXTRACTING_ERROR);
}
finally
{
if (iterator != null)
{
iterator.Dispose();
}
File.Delete(outFileName);
}
if (string.IsNullOrEmpty(PatchPath))
{
MarkCompleted(new Exception(Messages.DOWNLOAD_AND_EXTRACT_ACTION_FILE_NOT_FOUND));
log.DebugFormat("File '{0}{1}' could not be located in downloaded archive", updateName, ".xsupdate");
}
}
private string GetXmlStringFromTarXVA()
{
using (Stream stream = new FileStream(textBoxFile.Text, FileMode.Open, FileAccess.Read)) {
ArchiveIterator iterator = ArchiveFactory.Reader(ArchiveFactory.Type.Tar, stream);
if (iterator.HasNext())
{
Stream ofs = new MemoryStream();
iterator.ExtractCurrentFile(ofs);
ofs.Position = 0;
return(new StreamReader(ofs).ReadToEnd());
}
return(String.Empty);
}
}
public void TestValidReaderGeneration()
{
Dictionary <ArchiveFactory.Type, Type> validIterators = new Dictionary <ArchiveFactory.Type, Type>()
{
{ ArchiveFactory.Type.Tar, typeof(SharpZipTarArchiveIterator) },
{ ArchiveFactory.Type.TarGz, typeof(SharpZipTarArchiveIterator) },
{ ArchiveFactory.Type.TarBz2, typeof(SharpZipTarArchiveIterator) }
};
foreach (KeyValuePair <ArchiveFactory.Type, Type> pair in validIterators)
{
string target = Path.Combine(Directory.GetCurrentDirectory(), @"XenAdminTests\TestResources\emptyfile.bz2");
using (MemoryStream ms = new MemoryStream(File.ReadAllBytes(target)))
{
ArchiveIterator providedStream = ArchiveFactory.Reader(pair.Key, ms);
Assert.AreEqual(providedStream.GetType(), pair.Value);
}
}
}
private void ExtractFile()
{
ArchiveIterator iterator = null;
try
{
using (Stream stream = new FileStream(outputFileName, FileMode.Open, FileAccess.Read))
{
iterator = ArchiveFactory.Reader(ArchiveFactory.Type.Zip, stream);
DotNetZipZipIterator zipIterator = iterator as DotNetZipZipIterator;
if (zipIterator != null)
{
zipIterator.CurrentFileExtractProgressChanged +=
archiveIterator_CurrentFileExtractProgressChanged;
}
while (iterator.HasNext())
{
string currentExtension = Path.GetExtension(iterator.CurrentFileName());
if (updateFileSuffixes.Any(item => item == currentExtension))
{
string path = downloadUpdate
? Path.Combine(Path.GetDirectoryName(outputFileName), iterator.CurrentFileName())
: Path.Combine(Path.GetTempPath(), iterator.CurrentFileName());
log.InfoFormat(
"Found '{0}' in the downloaded archive when looking for a '{1}' file. Extracting...",
iterator.CurrentFileName(), currentExtension);
using (Stream outputStream = new FileStream(path, FileMode.Create))
{
iterator.ExtractCurrentFile(outputStream);
PatchPath = path;
log.InfoFormat("Update file extracted to '{0}'", path);
break;
}
}
}
if (zipIterator != null)
{
zipIterator.CurrentFileExtractProgressChanged -=
archiveIterator_CurrentFileExtractProgressChanged;
}
}
}
catch (Exception e)
{
log.ErrorFormat("Exception occurred when extracting downloaded archive: {0}", e.Message);
throw new Exception(Messages.DOWNLOAD_AND_EXTRACT_ACTION_EXTRACTING_ERROR);
}
finally
{
if (iterator != null)
{
iterator.Dispose();
}
if (downloadUpdate)
{
try { File.Delete(outputFileName); }
catch { }
}
}
if (string.IsNullOrEmpty(PatchPath) && downloadUpdate)
{
MarkCompleted(new Exception(Messages.DOWNLOAD_AND_EXTRACT_ACTION_FILE_NOT_FOUND));
log.InfoFormat(
"The downloaded archive does not contain a file with any of the following extensions: {0}",
string.Join(", ", updateFileSuffixes));
}
}
protected override void Run()
{
SafeToExit = false;
Description = Messages.ACTION_EXPORT_DESCRIPTION_IN_PROGRESS;
RelatedTask = XenAPI.Task.create(Session,
string.Format(Messages.ACTION_EXPORT_TASK_NAME, VM.Name),
string.Format(Messages.ACTION_EXPORT_TASK_DESCRIPTION, VM.Name));
UriBuilder uriBuilder = new UriBuilder(this.Session.Url);
uriBuilder.Path = "export";
uriBuilder.Query = string.Format("session_id={0}&uuid={1}&task_id={2}",
Uri.EscapeDataString(this.Session.uuid),
Uri.EscapeDataString(this.VM.uuid),
Uri.EscapeDataString(this.RelatedTask.opaque_ref));
log.DebugFormat("Exporting {0} from {1} to {2}", VM.Name, uriBuilder.ToString(), _filename);
// The DownloadFile call will block, so we need a separate thread to poll for task status.
Thread taskThread = new Thread((ThreadStart)progressPoll);
taskThread.Name = "Progress polling thread for ExportVmAction for " + VM.Name.Ellipsise(20);
taskThread.IsBackground = true;
taskThread.Start();
// Create the file with a temporary name till it is fully downloaded
String tmpFile = _filename + ".tmp";
try
{
HttpGet(tmpFile, uriBuilder.Uri);
}
catch (Exception e)
{
if (XenAPI.Task.get_status(this.Session, this.RelatedTask.opaque_ref) == XenAPI.task_status_type.pending &&
XenAPI.Task.get_progress(this.Session, this.RelatedTask.opaque_ref) == 0)
{
// If task is pending and has zero progress, it probably hasn't been started,
// which probably means there was an exception in the GUI code before the
// action got going. Kill the task so that we don't block forever on
// taskThread.Join(). Brought to light by CA-11100.
XenAPI.Task.destroy(this.Session, this.RelatedTask.opaque_ref);
}
// Test for null: don't overwrite a previous exception
if (_exception == null)
{
_exception = e;
}
}
taskThread.Join();
using (FileStream fs = new FileStream(tmpFile, FileMode.Append))
{
// Flush written data to disk
if (!Win32.FlushFileBuffers(fs.SafeFileHandle))
{
Win32Exception exn = new Win32Exception(System.Runtime.InteropServices.Marshal.GetLastWin32Error());
log.ErrorFormat("FlushFileBuffers failed in ExportVmAction.\nNativeErrorCode={0}\nMessage={1}\nToString={2}",
exn.NativeErrorCode, exn.Message, exn.ToString());
}
}
if (verify && _exception == null)
{
long read = 0;
int i = 0;
long filesize = new FileInfo(tmpFile).Length / 50; //Div by 50 to save doing the * 50 in the callback
Export.verifyCallback callback = new Export.verifyCallback(delegate(uint size)
{
read += size;
i++;
//divide number of updates by 10, so as not to spend all out time redrawing the control
//but try and send an update every second to keep the timer ticking
if (i > 10)
{
PercentComplete = 50 + (int)(read / filesize);
i = 0;
}
});
try
{
using (FileStream fs = new FileStream(tmpFile, FileMode.Open, FileAccess.Read))
{
log.DebugFormat("Verifying export of {0} in {1}", VM.Name, _filename);
this.Description = Messages.ACTION_EXPORT_VERIFY;
export = new Export();
export.verify(fs, null, (Export.cancellingCallback) delegate() { return(Cancelling); }, callback);
}
}
catch (Exception e)
{
if (_exception == null)
{
_exception = e;
}
}
}
if (Cancelling || _exception is CancelledException)
{
log.InfoFormat("Export of VM {0} cancelled", VM.Name);
this.Description = Messages.ACTION_EXPORT_DESCRIPTION_CANCELLED;
log.DebugFormat("Deleting {0}", tmpFile);
File.Delete(tmpFile);
throw new CancelledException();
}
else if (_exception != null)
{
log.Warn(string.Format("Export of VM {0} failed", VM.Name), _exception);
if (_exception is HeaderChecksumFailed || _exception is FormatException)
{
this.Description = Messages.ACTION_EXPORT_DESCRIPTION_HEADER_CHECKSUM_FAILED;
}
else if (_exception is BlockChecksumFailed)
{
this.Description = Messages.ACTION_EXPORT_DESCRIPTION_BLOCK_CHECKSUM_FAILED;
}
else if (_exception is IOException && Win32.GetHResult(_exception) == Win32.ERROR_DISK_FULL)
{
this.Description = Messages.ACTION_EXPORT_DESCRIPTION_DISK_FULL;
}
else if (_exception is Failure && ((Failure)_exception).ErrorDescription[0] == Failure.VDI_IN_USE)
{
this.Description = Messages.ACTION_EXPORT_DESCRIPTION_VDI_IN_USE;
}
else
{
this.Description = Messages.ACTION_EXPORT_DESCRIPTION_FAILED;
}
var fi = new FileInfo(tmpFile);
log.DebugFormat("Progress of the action until exception: {0}", PercentComplete);
log.DebugFormat("Size file exported until exception: {0}", fi.Length);
try
{
using (Stream stream = new FileStream(tmpFile, FileMode.Open, FileAccess.Read))
{
ArchiveIterator iterator = ArchiveFactory.Reader(ArchiveFactory.Type.Tar,
stream);
while (iterator.HasNext())
{
log.DebugFormat("Tar entry: {0} {1}", iterator.CurrentFileName(), iterator.CurrentFileSize());
}
}
}
catch (Exception)
{}
log.DebugFormat("Deleting {0}", tmpFile);
File.Delete(tmpFile);
throw new Exception(Description);
}
else
{
log.InfoFormat("Export of VM {0} successful", VM.Name);
this.Description = Messages.ACTION_EXPORT_DESCRIPTION_SUCCESSFUL;
log.DebugFormat("Renaming {0} to {1}", tmpFile, _filename);
if (File.Exists(_filename))
{
File.Delete(_filename);
}
File.Move(tmpFile, _filename);
}
}
/// <summary>
/// Always remember to call Close after having used the opened package,
/// usually in a try-finally block
/// </summary>
private void Open()
{
_tarStream = File.OpenRead(PackageSourceFile);
_archiveIterator = ArchiveFactory.Reader(_tarType, _tarStream);
}
protected override void Run()
{
// The directory in which we assemble the log files from the server before repackaging them
// in a single zip file.
string extractTempDir = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
try
{
// Calculate total bytes to save
long bytesToExtract = 1, bytesExtracted = 0;
foreach (string inputFile in Directory.GetFiles(_inputTempFolder))
{
bytesToExtract += new FileInfo(inputFile).Length;
}
// Create temp dir for extracted stuff
if (Directory.Exists(extractTempDir))
{
Directory.Delete(extractTempDir);
}
Directory.CreateDirectory(extractTempDir);
// Extract each of the raw server files to the temp extraction directory
foreach (string inputFile in Directory.GetFiles(_inputTempFolder))
{
if (inputFile.ToLowerInvariant().EndsWith(".tar"))
{
// Un-tar it. SharpZipLib doesn't account for illegal filenames or characters in
// filenames (e.g. ':'in Windows), so first we stream the tar to a new tar,
// sanitizing any bad filenames as we go.
// We also need to record the modification times of all the files, so that we can
// restore them into the final zip.
string outFilename = inputFile.Substring(0, inputFile.Length - 4);
if (outFilename.Length == 0)
{
outFilename = Path.GetRandomFileName();
}
string outputDir = Path.Combine(extractTempDir, Path.GetFileName(outFilename));
string sanitizedTar = Path.GetTempFileName();
using (ArchiveIterator tarIterator = ArchiveFactory.Reader(ArchiveFactory.Type.Tar, File.OpenRead(inputFile)))
{
using (ArchiveWriter tarWriter = ArchiveFactory.Writer(ArchiveFactory.Type.Tar, File.OpenWrite(sanitizedTar)))
{
Dictionary <string, string> usedNames = new Dictionary <string, string>();
while (tarIterator.HasNext())
{
if (Cancelling)
{
throw new CancelledException();
}
using (MemoryStream ms = new MemoryStream())
{
tarIterator.ExtractCurrentFile(ms);
string saneName = SanitizeTarName(tarIterator.CurrentFileName(), usedNames);
tarWriter.Add(ms, saneName);
ModTimes[Path.Combine(outputDir, saneName)] = tarIterator.CurrentFileModificationTime();
}
}
}
}
// Now extract the sanitized tar
using (FileStream fs = File.OpenRead(sanitizedTar))
{
using (ArchiveIterator tarIterator = ArchiveFactory.Reader(ArchiveFactory.Type.Tar, fs))
{
Directory.CreateDirectory(outputDir);
tarIterator.ExtractAllContents(outputDir);
bytesToCompress += Core.Helpers.GetDirSize(new DirectoryInfo(outputDir));
}
}
}
else
{
// Just copy vanilla input files unmodified to the temp directory
string outputFile = Path.Combine(extractTempDir, Path.GetFileName(inputFile));
File.Copy(inputFile, outputFile);
ModTimes[outputFile] = new FileInfo(inputFile).LastWriteTimeUtc;
bytesToCompress += new FileInfo(outputFile).Length;
}
bytesExtracted += new FileInfo(inputFile).Length;
File.Delete(inputFile);
this.PercentComplete = (int)(50.0 * bytesExtracted / bytesToExtract);
if (Cancelling)
{
throw new CancelledException();
}
}
// Now zip up all the temporarily extracted files into a single zip file for the user
log.DebugFormat("Packing {0} of bug report files into zip file {1}",
Util.DiskSizeString(bytesToCompress), _destFile);
LogDescriptionChanges = false;
try
{
ZipToOutputFile(extractTempDir);
PercentComplete = 100;
// Only cleanup files if it succeeded (or cancelled)
CleanupFiles(extractTempDir);
}
finally
{
LogDescriptionChanges = true;
}
if (Cancelling)
{
throw new CancelledException();
}
}
catch (CancelledException)
{
CleanupFiles(extractTempDir, true);
throw;
}
catch (Exception exn)
{
ZipToOutputFile(_inputTempFolder);
PercentComplete = 100;
log.ErrorFormat("An exception was trapped while creating a server status report: " + exn.Message);
throw new Exception(Messages.STATUS_REPORT_ZIP_FAILED);
}
}
protected override void Run()
{
do
{
_extractTempDir = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
} while (Directory.Exists(_extractTempDir));
Directory.CreateDirectory(_extractTempDir);
try
{
// Calculate total bytes to save
long bytesToCompress = 0, bytesToExtract = 0, bytesExtracted = 0;
var files = Directory.GetFiles(_inputTempFolder);
foreach (string inputFile in files)
{
bytesToExtract += new FileInfo(inputFile).Length;
}
foreach (string inputFile in files)
{
if (inputFile.ToLowerInvariant().EndsWith(".tar"))
{
// Sanitize and un-tar each of the raw server tars to the temp extraction directory
string outFilename = inputFile.Substring(0, inputFile.Length - 4);
if (outFilename.Length == 0)
{
outFilename = Path.GetRandomFileName();
}
string outputDir = Path.Combine(_extractTempDir, Path.GetFileName(outFilename));
string sanitizedTar = Path.GetTempFileName();
TarSanitization.SanitizeTarForWindows(inputFile, sanitizedTar, CheckCancellation);
using (FileStream fs = File.OpenRead(sanitizedTar))
using (ArchiveIterator tarIterator = ArchiveFactory.Reader(ArchiveFactory.Type.Tar, fs))
{
Directory.CreateDirectory(outputDir);
tarIterator.ExtractAllContents(outputDir);
bytesToCompress += Core.Helpers.GetDirSize(new DirectoryInfo(outputDir));
}
try
{
File.Delete(sanitizedTar);
}
catch
{
}
}
else
{
// Just copy vanilla input files unmodified to the temp directory
string outputFile = Path.Combine(_extractTempDir, Path.GetFileName(inputFile));
File.Copy(inputFile, outputFile);
bytesToCompress += new FileInfo(outputFile).Length;
}
bytesExtracted += new FileInfo(inputFile).Length;
File.Delete(inputFile);
PercentComplete = (int)(50.0 * bytesExtracted / bytesToExtract);
CheckCancellation();
}
// Now zip up all the temporarily extracted files into a single zip file for the user
log.DebugFormat("Packing {0} of bug report files into zip file {1}",
Util.DiskSizeString(bytesToCompress), _destFile);
ZipToOutputFile(_extractTempDir, CheckCancellation, p => PercentComplete = 50 + p / 2);
CleanupFiles();
PercentComplete = 100;
}
catch (CancelledException)
{
CleanupFiles(true);
throw;
}
catch (Exception exn)
{
try
{
log.Error("Failed to package sanitized server status report: ", exn);
log.Debug("Attempting to package raw downloaded server files.");
ZipToOutputFile(_inputTempFolder, CheckCancellation);
}
catch (CancelledException)
{
CleanupFiles(true);
throw;
}
catch
{
log.Debug("Failed to package raw downloaded server files.");
}
throw new Exception(Messages.STATUS_REPORT_ZIP_FAILED);
}
}
