private void CreateVssSnapshotOfSystemVolume(IVssBackupComponents backupComponents)
{
try
{
logger.LogInformation($"Creating VSS snapshot for drive {migrationData.OperatingSystemDriveLetter}:\\");
backupComponents.InitializeForBackup(null);
backupComponents.GatherWriterMetadata();
backupComponents.SetContext(VssVolumeSnapshotAttributes.Persistent | VssVolumeSnapshotAttributes.NoAutoRelease);
this.vssSnapshotSetId = backupComponents.StartSnapshotSet();
this.vssSnapshotId = backupComponents.AddToSnapshotSet($"{migrationData.OperatingSystemDriveLetter}:\\");
backupComponents.SetBackupState(false, true, VssBackupType.Differential, false);
backupComponents.PrepareForBackup();
backupComponents.DoSnapshotSet();
VssSnapshotProperties snapshotInfo = backupComponents.GetSnapshotProperties(this.vssSnapshotId);
logger.LogDebug($"VSS snapshot created. Root Path: {snapshotInfo.SnapshotDeviceObject}");
}
catch (Exception ex)
{
logger.LogError(ex, "An error occured during VSS snapshot creation");
if (this.vssSnapshotId != Guid.Empty)
{
backupComponents.DeleteSnapshot(this.vssSnapshotId, true);
this.vssSnapshotId = Guid.Empty;
this.vssSnapshotSetId = Guid.Empty;
}
throw;
}
}
public void MapVolumesToSnapShots()
{
_volumeMap = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
foreach (var kvp in _volumes)
{
_volumeMap.Add(kvp.Key, _vssBackupComponents.GetSnapshotProperties(kvp.Value).SnapshotDeviceObject);
}
_volumeReverseMap = _volumeMap.ToDictionary(x => x.Value, x => x.Key);
}
private void Initialize(string Volume, bool IncludeBootableSystemState)
{
//string filename = @"C:\Windows\system32\config\sam";
//FileInfo fiSource = new FileInfo(filename);
//String Volume = fiSource.Directory.Root.Name;
// VSS step 1: Initialize
IVssImplementation vss = VssUtils.LoadImplementation();
IVssBackupComponents backup = vss.CreateVssBackupComponents();
backup.InitializeForBackup(null);
// VSS step 2: Getting Metadata from all the VSS writers
backup.GatherWriterMetadata();
// VSS step 3: VSS Configuration
backup.SetContext((VssVolumeSnapshotAttributes)0);
backup.SetBackupState(false, IncludeBootableSystemState, Alphaleonis.Win32.Vss.VssBackupType.Full, false);
// VSS step 4: Declaring the Volumes that we need to use in this beckup.
// The Snapshot is a volume element (hence the name "Volume Shadow-Copy").
// For each file that we nee to copy we have to make sure that the proper volume is included in the "Snapshot Set".
Guid SetGuid = backup.StartSnapshotSet();
Guid VolumeGuid = backup.AddToSnapshotSet(Volume, Guid.Empty);
// VSS step 5: Preparation (Writers & Provaiders need to start preparation)
backup.PrepareForBackup();
// VSS step 6: Create a Snapshot For each volume in the "Snapshot Set"
backup.DoSnapshotSet();
/***********************************
* /* At this point we have a snapshot!
* /* This action should not take more then 60 second, regardless of file or disk size.
* /* The snapshot is not a backup or any copy!
* /* please more information at http://technet.microsoft.com/en-us/library/ee923636.aspx
* /***********************************/
// VSS step 7: Expose Snapshot
/***********************************
* /* Snapshot path look like:
* \\?\Volume{011682bf-23d7-11e2-93e7-806e6f6e6963}\
* The build in method System.IO.File.Copy do not work with path like this,
* Therefore, we are going to Expose the Snapshot to our application,
* by mapping the Snapshot to new virtual volume
* - Make sure that you are using a volume that is not already exist
* - This is only for learning purposes. usually we will use the snapshot directly as i show in the next example in the blog
* /***********************************/
VssSnapshotProperties SnapshotProperties = backup.GetSnapshotProperties(VolumeGuid);
DirectoryInfo diShadowRoot = new DirectoryInfo(SnapshotProperties.SnapshotDeviceObject);
DirectoryInfo[] Folders = diShadowRoot.GetDirectories();
}
public string GetSnapshotRoot(string volumeName)
{
try
{
var snapProperties = backup.GetSnapshotProperties(snapShotsGuids[volumeName]);
return(snapProperties.SnapshotDeviceObject);
}
catch
{
return(null);
}
}
private static VssSnapshotProperties GetSnapshotProperties(IVssBackupComponents backupComponents, Guid snapshotId)
{
VssSnapshotProperties props = new VssSnapshotProperties();
IntPtr buffer = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(VssSnapshotProperties)));
backupComponents.GetSnapshotProperties(snapshotId, buffer);
Marshal.PtrToStructure(buffer, props);
NativeMethods.VssFreeSnapshotProperties(buffer);
return(props);
}
private void RemoveVssSnapshotOfSystemVolume(IVssBackupComponents backupComponents)
{
if (this.vssSnapshotId != Guid.Empty)
{
try
{
backupComponents.BackupComplete();
}
catch (VssBadStateException) { }
VssSnapshotProperties snapshotInfo = backupComponents.GetSnapshotProperties(this.vssSnapshotId);
logger.LogDebug($"Removing snapshot {snapshotInfo.SnapshotDeviceObject}");
backupComponents.DeleteSnapshot(this.vssSnapshotId, true);
}
}
public override void PerformStep()
{
logger.LogInformation("Cloning operating system.");
using (IVssBackupComponents backupComponents = vss.CreateVssBackupComponents())
{
this.CreateVssSnapshotOfSystemVolume(backupComponents);
try
{
logger.LogInformation("Copying system partition data...");
using (PrivilegeEnabler privEnabler = new PrivilegeEnabler(Privilege.Backup, Privilege.Restore))
{
VssSnapshotProperties snapshotInfo = backupComponents.GetSnapshotProperties(this.vssSnapshotId);
using (Stream rawVolStream = this.fileSystemHelper.OpenRawDiskStream(snapshotInfo.SnapshotDeviceObject))
{
string vhdFullName = $"{migrationData.VhdFileTemporaryFolder}\\{migrationData.VhdFileName}";
using (VirtualDiskDecorator disk = this.fileSystemHelper.OpenVhdx(vhdFullName))
{
var partitionTable = disk.Partitions;
if (partitionTable != null)
{
int partIndex = partitionTable.CreatePrimaryBySector(1, (rawVolStream.Length / disk.Geometry.BytesPerSector), BiosPartitionTypes.Ntfs, false);
PartitionInfoDecorator partition = disk.Partitions[partIndex];
using (var vhdPartitionStream = partition.Open())
{
this.fileSystemHelper.CloneNtfsFileSystem(rawVolStream, vhdPartitionStream, logger);
}
}
else
{
logger.LogError("VHD disk does not contain BIOS partition table. Other partitions tables are not supported.");
}
}
}
}
}
finally
{
this.RemoveVssSnapshotOfSystemVolume(backupComponents); //always remove the VSS snapshot, either after success or failure
}
logger.LogInformation("Cloning operating system completed.");
}
return;
}
static void BackupFile(string srcPath, string destPath)
{
srcPath = Path.GetFullPath(srcPath);
IVssImplementation vssImpl = VssUtils.LoadImplementation();
using (IVssBackupComponents vss = vssImpl.CreateVssBackupComponents())
{
vss.InitializeForBackup(null);
vss.SetBackupState(true, true, VssBackupType.Full, false);
vss.SetContext(VssSnapshotContext.FileShareBackup);
using (IVssAsync async = vss.GatherWriterMetadata())
async.Wait();
Guid vssSet = vss.StartSnapshotSet();
var rootPath = Path.GetPathRoot(srcPath);
var snapshotId = vss.AddToSnapshotSet(rootPath, Guid.Empty);
using (IVssAsync async = vss.DoSnapshotSet())
async.Wait();
try
{
var snapshotPath = vss.GetSnapshotProperties(snapshotId).SnapshotDeviceObject;
var pathNoRoot = srcPath.Substring(rootPath.Length);
var path = Path.Combine(snapshotPath, pathNoRoot);
if (File.Exists(destPath))
{
File.Delete(destPath);
}
Alphaleonis.Win32.Filesystem.File.Copy(path, destPath);
}
finally
{
vss.DeleteSnapshotSet(vssSet, true);
}
}
}
/// <summary>
/// Constructs a new backup snapshot, using all the required disks
/// </summary>
/// <param name="sourcepaths">The folders that are about to be backed up</param>
/// <param name="options">A set of commandline options</param>
public WindowsSnapshot(string[] sourcepaths, Dictionary <string, string> options)
{
try
{
//Substitute for calling VssUtils.LoadImplementation(), as we have the dlls outside the GAC
string alphadir = Path.Combine(Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location), "alphavss");
string alphadll = System.IO.Path.Combine(alphadir, VssUtils.GetPlatformSpecificAssemblyShortName() + ".dll");
IVssImplementation vss = (IVssImplementation)System.Reflection.Assembly.LoadFile(alphadll).CreateInstance("Alphaleonis.Win32.Vss.VssImplementation");
var excludedWriters = new Guid[0];
if (options.ContainsKey("vss-exclude-writers"))
{
excludedWriters = options["vss-exclude-writers"].Split(';').Where(x => !string.IsNullOrWhiteSpace(x) && x.Trim().Length > 0).Select(x => new Guid(x)).ToArray();
}
//Check if we should map any drives
bool useSubst = Utility.Utility.ParseBoolOption(options, "vss-use-mapping");
//Prepare the backup
m_backup = vss.CreateVssBackupComponents();
m_backup.InitializeForBackup(null);
m_backup.SetContext(VssSnapshotContext.Backup);
m_backup.SetBackupState(false, true, VssBackupType.Full, false);
if (excludedWriters.Length > 0)
{
m_backup.DisableWriterClasses(excludedWriters.ToArray());
}
m_sourcepaths = sourcepaths.Select(x => Directory.Exists(x) ? Utility.Utility.AppendDirSeparator(x) : x).ToList();
List <string> hypervPaths;
try
{
m_backup.GatherWriterMetadata();
hypervPaths = PrepareHyperVBackup(options, m_backup.WriterMetadata.FirstOrDefault(o => o.WriterId.Equals(HyperVWriterGuid)));
}
finally
{
m_backup.FreeWriterMetadata();
}
if (hypervPaths != null)
{
m_sourcepaths.AddRange(hypervPaths);
}
//Sanity check for duplicate files/folders
var pathDuplicates = m_sourcepaths.GroupBy(x => x, Utility.Utility.ClientFilenameStringComparer)
.Where(g => g.Count() > 1).Select(y => y.Key).ToList();
foreach (var pathDuplicate in pathDuplicates)
{
Logging.Log.WriteMessage(string.Format("Removing duplicate source: {0}", pathDuplicate), Logging.LogMessageType.Information);
}
if (pathDuplicates.Count > 0)
{
m_sourcepaths = m_sourcepaths.Distinct(Utility.Utility.ClientFilenameStringComparer).OrderBy(a => a).ToList();
}
//Sanity check for multiple inclusions of the same files/folders
var pathIncludedPaths = m_sourcepaths.Where(x => m_sourcepaths.Where(y => y != x).Any(z => x.StartsWith(z, Utility.Utility.ClientFilenameStringComparision))).ToList();
foreach (var pathIncluded in pathIncludedPaths)
{
Logging.Log.WriteMessage(string.Format("Removing already included source: {0}", pathIncluded), Logging.LogMessageType.Information);
}
if (pathIncludedPaths.Count > 0)
{
m_sourcepaths = m_sourcepaths.Except(pathIncludedPaths, Utility.Utility.ClientFilenameStringComparer).ToList();
}
m_backup.StartSnapshotSet();
//Figure out which volumes are in the set
m_volumes = new Dictionary <string, Guid>(StringComparer.InvariantCultureIgnoreCase);
foreach (string s in m_sourcepaths)
{
string drive = Alphaleonis.Win32.Filesystem.Path.GetPathRoot(s);
if (!m_volumes.ContainsKey(drive))
{
if (!m_backup.IsVolumeSupported(drive))
{
throw new VssVolumeNotSupportedException(drive);
}
m_volumes.Add(drive, m_backup.AddToSnapshotSet(drive));
}
}
//Make all writers aware that we are going to do the backup
m_backup.PrepareForBackup();
//Create the shadow volumes
m_backup.DoSnapshotSet();
//Make a little lookup table for faster translation
m_volumeMap = new Dictionary <string, string>(StringComparer.InvariantCultureIgnoreCase);
foreach (KeyValuePair <string, Guid> kvp in m_volumes)
{
m_volumeMap.Add(kvp.Key, m_backup.GetSnapshotProperties(kvp.Value).SnapshotDeviceObject);
}
//If we should map the drives, we do that now and update the volumeMap
if (useSubst)
{
m_mappedDrives = new List <DefineDosDevice>();
foreach (string k in new List <string>(m_volumeMap.Keys))
{
try
{
DefineDosDevice d;
m_mappedDrives.Add(d = new DefineDosDevice(m_volumeMap[k]));
m_volumeMap[k] = Utility.Utility.AppendDirSeparator(d.Drive);
}
catch { }
}
}
}
catch
{
//In case we fail in the constructor, we do not want a snapshot to be active
try { Dispose(); }
catch { }
throw;
}
}
/// <summary>
/// Constructs a new backup snapshot, using all the required disks
/// </summary>
/// <param name="sources">Sources to determine which volumes to include in snapshot</param>
/// <param name="options">A set of commandline options</param>
public WindowsSnapshot(IEnumerable <string> sources, IDictionary <string, string> options)
{
try
{
// Substitute for calling VssUtils.LoadImplementation(), as we have the dlls outside the GAC
var assemblyLocation = Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);
if (assemblyLocation == null)
{
throw new InvalidOperationException();
}
var alphadir = Path.Combine(assemblyLocation, "alphavss");
var alphadll = Path.Combine(alphadir, VssUtils.GetPlatformSpecificAssemblyShortName() + ".dll");
var vss = (IVssImplementation)System.Reflection.Assembly.LoadFile(alphadll).CreateInstance("Alphaleonis.Win32.Vss.VssImplementation");
if (vss == null)
{
throw new InvalidOperationException();
}
var excludedWriters = new Guid[0];
if (options.ContainsKey("vss-exclude-writers"))
{
excludedWriters = options["vss-exclude-writers"].Split(';').Where(x => !string.IsNullOrWhiteSpace(x) && x.Trim().Length > 0).Select(x => new Guid(x)).ToArray();
}
//Check if we should map any drives
var useSubst = Utility.Utility.ParseBoolOption(options, "vss-use-mapping");
//Prepare the backup
m_backup = vss.CreateVssBackupComponents();
m_backup.InitializeForBackup(null);
m_backup.SetContext(VssSnapshotContext.Backup);
m_backup.SetBackupState(false, true, VssBackupType.Full, false);
if (excludedWriters.Length > 0)
{
m_backup.DisableWriterClasses(excludedWriters.ToArray());
}
try
{
m_backup.GatherWriterMetadata();
}
finally
{
m_backup.FreeWriterMetadata();
}
m_backup.StartSnapshotSet();
//Figure out which volumes are in the set
m_volumes = new Dictionary <string, Guid>(StringComparer.OrdinalIgnoreCase);
foreach (var s in sources)
{
var drive = AlphaFS.Path.GetPathRoot(s);
if (!m_volumes.ContainsKey(drive))
{
//TODO: that seems a bit harsh... we could fall-back to not using VSS for that volume only
if (!m_backup.IsVolumeSupported(drive))
{
throw new VssVolumeNotSupportedException(drive);
}
m_volumes.Add(drive, m_backup.AddToSnapshotSet(drive));
}
}
//Make all writers aware that we are going to do the backup
m_backup.PrepareForBackup();
//Create the shadow volumes
m_backup.DoSnapshotSet();
//Make a little lookup table for faster translation
m_volumeMap = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
foreach (var kvp in m_volumes)
{
m_volumeMap.Add(kvp.Key, m_backup.GetSnapshotProperties(kvp.Value).SnapshotDeviceObject);
}
m_volumeReverseMap = m_volumeMap.ToDictionary(x => x.Value, x => x.Key);
//If we should map the drives, we do that now and update the volumeMap
if (useSubst)
{
m_mappedDrives = new List <DefineDosDevice>();
foreach (var k in new List <string>(m_volumeMap.Keys))
{
try
{
DefineDosDevice d;
m_mappedDrives.Add(d = new DefineDosDevice(m_volumeMap[k]));
m_volumeMap[k] = Utility.Utility.AppendDirSeparator(d.Drive);
}
catch (Exception ex)
{
Logging.Log.WriteVerboseMessage(LOGTAG, "SubstMappingfailed", ex, "Failed to map VSS path {0} to drive", k);
}
}
}
}
catch
{
//In case we fail in the constructor, we do not want a snapshot to be active
try
{
Dispose();
}
catch (Exception ex)
{
Logging.Log.WriteVerboseMessage(LOGTAG, "VSSCleanupOnError", ex, "Failed during VSS error cleanup");
}
throw;
}
}
/// <summary>
/// Constructs a new backup snapshot, using all the required disks
/// </summary>
/// <param name="sourcepaths">The folders that are about to be backed up</param>
/// <param name="options">A set of commandline options</param>
public WindowsSnapshot(string[] sourcepaths, Dictionary<string, string> options)
{
try
{
//Substitute for calling VssUtils.LoadImplementation(), as we have the dlls outside the GAC
string alphadir = Path.Combine(Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location), "alphavss");
string alphadll = System.IO.Path.Combine(alphadir, VssUtils.GetPlatformSpecificAssemblyName().Name + ".dll");
IVssImplementation vss = (IVssImplementation)System.Reflection.Assembly.LoadFile(alphadll).CreateInstance("Alphaleonis.Win32.Vss.VssImplementation");
List<Guid> excludedWriters = new List<Guid>();
if (options.ContainsKey("vss-exclude-writers"))
{
foreach (string s in options["vss-exclude-writers"].Split(';'))
if (!string.IsNullOrEmpty(s) && s.Trim().Length > 0)
excludedWriters.Add(new Guid(s));
}
//Check if we should map any drives
bool useSubst = Utility.Utility.ParseBoolOption(options, "vss-use-mapping");
//Prepare the backup
m_backup = vss.CreateVssBackupComponents();
m_backup.InitializeForBackup(null);
if (excludedWriters.Count > 0)
m_backup.DisableWriterClasses(excludedWriters.ToArray());
m_snapshotId = m_backup.StartSnapshotSet();
m_sourcepaths = new string[sourcepaths.Length];
for(int i = 0; i < m_sourcepaths.Length; i++)
m_sourcepaths[i] = Utility.Utility.AppendDirSeparator(sourcepaths[i]);
try
{
//Gather information on all Vss writers
using (IVssAsync async = m_backup.GatherWriterMetadata())
async.Wait();
m_backup.FreeWriterMetadata();
}
catch
{
try { m_backup.FreeWriterMetadata(); }
catch { }
throw;
}
//Figure out which volumes are in the set
m_volumes = new Dictionary<string, Guid>(StringComparer.InvariantCultureIgnoreCase);
foreach (string s in m_sourcepaths)
{
string drive = Alphaleonis.Win32.Filesystem.Path.GetPathRoot(s);
if (!m_volumes.ContainsKey(drive))
{
if (!m_backup.IsVolumeSupported(drive))
throw new VssVolumeNotSupportedException(drive);
m_volumes.Add(drive, m_backup.AddToSnapshotSet(drive));
}
}
//Signal that we want to do a backup
m_backup.SetBackupState(false, true, VssBackupType.Full, false);
//Make all writers aware that we are going to do the backup
using (IVssAsync async = m_backup.PrepareForBackup())
async.Wait();
//Create the shadow volumes
using (IVssAsync async = m_backup.DoSnapshotSet())
async.Wait();
//Make a little lookup table for faster translation
m_volumeMap = new Dictionary<string, string>(StringComparer.InvariantCultureIgnoreCase);
foreach(KeyValuePair<string, Guid> kvp in m_volumes)
m_volumeMap.Add(kvp.Key, m_backup.GetSnapshotProperties(kvp.Value).SnapshotDeviceObject);
//If we should map the drives, we do that now and update the volumeMap
if (useSubst)
{
m_mappedDrives = new List<DefineDosDevice>();
foreach (string k in new List<string>(m_volumeMap.Keys))
{
try
{
DefineDosDevice d;
m_mappedDrives.Add(d = new DefineDosDevice(m_volumeMap[k]));
m_volumeMap[k] = Utility.Utility.AppendDirSeparator(d.Drive);
}
catch { }
}
}
}
catch
{
//In case we fail in the constructor, we do not want a snapshot to be active
try { Dispose(); }
catch { }
throw;
}
}
private static VssSnapshotProperties GetSnapshotProperties(IVssBackupComponents backupComponents, Guid snapshotId)
{
VssSnapshotProperties props = new VssSnapshotProperties();
IntPtr buffer = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(VssSnapshotProperties)));
backupComponents.GetSnapshotProperties(snapshotId, buffer);
Marshal.PtrToStructure(buffer, props);
NativeMethods.VssFreeSnapshotProperties(buffer);
return props;
}
/// <summary>
/// Makes a recursive snapshot of the directory as it is.
/// </summary>
/// <param name="baseDirectory">The directory to start in.</param>
/// <returns>A file system snapshot</returns>
public static SnapshotFilesystem MakeFsSnapshot(System.IO.DirectoryInfo baseDirectory)
{
DirectoryInfo baseDir = new DirectoryInfo(baseDirectory.FullName);
if (!baseDir.Exists)
{
throw new ArgumentException("Base directory doesn't exist");
}
SnapshotFilesystem res = new SnapshotFilesystem();
if (!baseDir.FullName.EndsWith(Path.DirectorySeparatorChar) && !baseDir.FullName.EndsWith(Path.AltDirectorySeparatorChar))
{
// Add ending slash to get a uniform output
baseDir = new DirectoryInfo(baseDir.FullName + Path.DirectorySeparatorChar);
}
res.BasePath = baseDir.FullName;
res.Items = new LinkedList <SnapshotFilesystemItem>();
// Make VSS
// Sequence of calls: http://us.generation-nt.com/answer/volume-shadow-copy-backupcomplete-vss-e-bad-state-help-29094302.html
IVssImplementation vssImplementation = VssUtils.LoadImplementation();
IVssBackupComponents backupComponents = vssImplementation.CreateVssBackupComponents();
backupComponents.InitializeForBackup(null);
backupComponents.SetContext(VssSnapshotContext.Backup);
backupComponents.SetBackupState(false, false, VssBackupType.Copy, false);
backupComponents.GatherWriterMetadata();
try
{
Guid snapshotSetGuid = backupComponents.StartSnapshotSet();
Guid backupVolumeGuid = backupComponents.AddToSnapshotSet(baseDir.Root.FullName);
backupComponents.PrepareForBackup();
backupComponents.DoSnapshotSet();
VssSnapshotProperties properties = backupComponents.GetSnapshotProperties(backupVolumeGuid);
DirectoryInfo shadowCopyBase = new DirectoryInfo(Path.Combine(properties.SnapshotDeviceObject, Path.GetDirectoryNameWithoutRoot(baseDir.FullName)));
if (!shadowCopyBase.FullName.EndsWith(Path.DirectorySeparatorChar) && !shadowCopyBase.FullName.EndsWith(Path.AltDirectorySeparatorChar))
{
// Add ending slash to get a uniform output
shadowCopyBase = new DirectoryInfo(shadowCopyBase.FullName + Path.DirectorySeparatorChar);
}
// Do stuff
DoFsSnapshot(shadowCopyBase, shadowCopyBase, res.Items);
// Delete snapshot
backupComponents.BackupComplete();
backupComponents.DeleteSnapshotSet(snapshotSetGuid, false);
}
catch (Exception)
{
backupComponents.AbortBackup();
}
//DoFsSnapshot(baseDirectory, baseDirectory, res.Items);
return(res);
}
private void BackupSubset(IDictionary <string, string> vmNamesMapSubset, Options options)
{
IVssImplementation vssImpl = VssUtils.LoadImplementation();
using (IVssBackupComponents vss = vssImpl.CreateVssBackupComponents())
{
RaiseEvent(EventAction.InitializingVSS, null, null);
vss.InitializeForBackup(null);
vss.SetBackupState(true, true, VssBackupType.Full, false);
vss.SetContext(VssSnapshotContext.Backup);
// Add Hyper-V writer
Guid hyperVwriterGuid = new Guid("66841cd4-6ded-4f4b-8f17-fd23f8ddc3de");
vss.EnableWriterClasses(new Guid[] { hyperVwriterGuid });
vss.GatherWriterMetadata();
IList <IVssWMComponent> components = new List <IVssWMComponent>();
// key: volumePath, value: volumeName. These values are equivalent on a standard volume, but differ in the CSV case
IDictionary <string, string> volumeMap = new Dictionary <string, string>();
var wm = vss.WriterMetadata.Where((o) => o.WriterId.Equals(hyperVwriterGuid)).FirstOrDefault();
foreach (var component in wm.Components)
{
if (vmNamesMapSubset.ContainsKey(component.ComponentName))
{
components.Add(component);
vss.AddComponent(wm.InstanceId, wm.WriterId, component.Type, component.LogicalPath, component.ComponentName);
foreach (var file in component.Files)
{
string volumeName = null;
string volumePath = null;
volumePath = Path.GetPathRoot(file.Path).ToUpper();
volumeName = volumePath;
if (!volumeMap.ContainsKey(volumePath))
{
volumeMap.Add(volumePath, volumeName);
}
}
}
}
if (components.Count > 0)
{
Guid vssSet = vss.StartSnapshotSet();
// Key: volumeName, value: snapshotGuid
IDictionary <string, Guid> snapshots = new Dictionary <string, Guid>();
foreach (var volumeName in volumeMap.Values)
{
snapshots.Add(volumeName, vss.AddToSnapshotSet(volumeName, Guid.Empty));
}
vss.PrepareForBackup();
RaiseEvent(EventAction.StartingSnaphotSet, components, volumeMap);
vss.DoSnapshotSet();
RaiseEvent(EventAction.SnapshotSetDone, components, volumeMap);
// key: volumeName, value: snapshotVolumePath
IDictionary <string, string> snapshotVolumeMap = new Dictionary <string, string>();
foreach (var kv in snapshots)
{
snapshotVolumeMap.Add(kv.Key, vss.GetSnapshotProperties(kv.Value).SnapshotDeviceObject);
}
BackupFiles(components, volumeMap, snapshotVolumeMap, vmNamesMapSubset, options);
foreach (var component in components)
{
vss.SetBackupSucceeded(wm.InstanceId, wm.WriterId, component.Type, component.LogicalPath, component.ComponentName, true);
}
vss.BackupComplete();
RaiseEvent(EventAction.DeletingSnapshotSet, components, volumeMap);
vss.DeleteSnapshotSet(vssSet, true);
}
}
}
public ISnapshot[] CreateVolumeSnapShot(List <FileSystem> volumes, string[] spoPaths, SnapshotSupportedLevel level)
{
using (new Alphaleonis.Win32.Security.PrivilegeEnabler(Privilege.Backup, Privilege.Restore)){
//PrivilegesManager pm = new PrivilegesManager();
//pm.Grant();
VssBackupType vssLevel = VssBackupType.Full;
if (level == SnapshotSupportedLevel.Full)
{
vssLevel = VssBackupType.Full;
}
else if (level == SnapshotSupportedLevel.Incremental)
{
vssLevel = VssBackupType.Incremental;
}
else if (level == SnapshotSupportedLevel.Differential)
{
vssLevel = VssBackupType.Differential;
}
else if (level == SnapshotSupportedLevel.TransactionLog)
{
vssLevel = VssBackupType.Log;
}
ArrayList snapshots = new ArrayList();
Metadata = new SPOMetadata();
bool snapshotSuccedeed = false;
try{
IVssImplementation vss = VssUtils.LoadImplementation();
backup = vss.CreateVssBackupComponents();
Logger.Append(Severity.DEBUG, "0/6 Initializing Snapshot (" + ((spoPaths == null)? "NON-component mode" : "component mode") + ", level " + level + ")");
backup.InitializeForBackup(null);
if (spoPaths == null) // component-less snapshot set
{
backup.SetBackupState(false, true, VssBackupType.Full, false);
}
else
{
backup.SetBackupState(true, true, vssLevel, (vssLevel == VssBackupType.Full)?false:true);
}
if (OperatingSystemInfo.IsAtLeast(OSVersionName.WindowsServer2003))
{
// The only context supported on Windows XP is VssSnapshotContext.Backup
backup.SetContext(VssSnapshotContext.AppRollback /*|VssSnapshotContext.All*/);
}
Logger.Append(Severity.DEBUG, "1/6 Gathering writers metadata and status");
using (IVssAsync async = backup.GatherWriterMetadata()){
async.Wait();
async.Dispose();
}
// gather writers status before adding backup set components
using (IVssAsync async = backup.GatherWriterStatus()){
async.Wait();
async.Dispose();
}
Logger.Append(Severity.DEBUG, "2/6 Adding writers and components");
// Now we add the components (vss writers, writer paths/params) of this snapshot set
if (spoPaths != null)
{
foreach (IVssExamineWriterMetadata writer in backup.WriterMetadata)
{
foreach (string spo in spoPaths)
{
//Logger.Append (Severity.TRIVIA, "Searching writer and/or component matching "+spo);
int index = spo.IndexOf(writer.WriterName);
if (index < 0 && spo != "*")
{
continue;
}
bool found = false;
Logger.Append(Severity.TRIVIA, "Found matching writer " + writer.WriterName + ", instance name=" + writer.InstanceName);
// First we check that the writer's status is OK, else we don't add it to avoid failure of complete snapshot if it's not
bool writerOk = false;
foreach (VssWriterStatusInfo status in backup.WriterStatus)
{
if (status.Name == writer.WriterName)
{
Logger.Append(Severity.TRIVIA, "Checking required writer " + status.Name
+ ", status=" + status.State.ToString() + ", error state=" + status.Failure.ToString());
if (status.State == VssWriterState.Stable && status.Failure == VssError.Success) // if we get there it means that we are ready to add the wanted component to VSS set
{
writerOk = true;
}
else
{
Logger.Append(Severity.ERROR, "Cannot add writer " + status.Name + " to snapshot set,"
+ " status=" + status.State.ToString() + ". Backup data managed by this writer may not be consistent");
if (LogEvent != null)
{
LogEvent(this, new LogEventArgs(820, Severity.WARNING, status.Name + ", Status=" + status.State.ToString() + ", Failure=" + status.Failure.ToString()));
}
}
}
}
if (!writerOk)
{
if (OperatingSystemInfo.IsAtLeast(OSVersionName.WindowsServer2003))
{
backup.DisableWriterClasses(new Guid[] { writer.WriterId });
}
continue;
}
bool addAllComponents = false;
if (spo.Length == index + writer.WriterName.Length || spo == "*" || spo == "" + writer.WriterName + @"\*")
{
addAllComponents = true;
}
foreach (IVssWMComponent component in writer.Components)
{
found = false;
//Console.WriteLine("createvolsnapshot : current component is :"+component.LogicalPath+@"\"+component.ComponentName);
if ((!addAllComponents) && spo.IndexOf(component.LogicalPath + @"\" + component.ComponentName) < 0)
{
continue;
}
//Logger.Append (Severity.TRIVIA, "Asked to recursively select all '"+writer.WriterName+"' writer's components");
if (OperatingSystemInfo.IsAtLeast(OSVersionName.WindowsServer2003))
{
foreach (VssWMDependency dep in component.Dependencies)
{
Logger.Append(Severity.TRIVIA, "Component " + component.ComponentName + " depends on component " + dep.ComponentName);
}
}
if (component.Selectable)
{
backup.AddComponent(writer.InstanceId, writer.WriterId, component.Type, component.LogicalPath, component.ComponentName);
}
Logger.Append(Severity.INFO, "Added writer '" + writer.WriterName + "' component " + component.ComponentName);
found = true;
// Second we need to find every drive containing files necessary for writer's backup
// and add them to drives list, in case they weren't explicitely selected as part of backuppaths
List <VssWMFileDescription> componentFiles = new List <VssWMFileDescription>();
componentFiles.AddRange(component.Files);
componentFiles.AddRange(component.DatabaseFiles);
componentFiles.AddRange(component.DatabaseLogFiles);
foreach (VssWMFileDescription file in componentFiles)
{
if (string.IsNullOrEmpty(file.Path))
{
continue;
}
//Console.WriteLine ("component file path="+file.Path+", alt backuplocation="+file.AlternateLocation
// +", backuptypemask="+file.BackupTypeMask.ToString()+", spec="+file.FileSpecification+", recursive="+file.IsRecursive);
// TODO : Reuse GetInvolvedDrives (put it into VolumeManager class)
string drive = file.Path.Substring(0, 3).ToUpper();
if (drive.Contains(":") && drive.Contains("\\"))
{
var searchedVol = from FileSystem vol in volumes
where vol.MountPoint.Contains(drive)
select vol;
//if(!volumes.Contains(drive)){
if (searchedVol == null)
{
Logger.Append(Severity.INFO, "Select VSS component " + component.LogicalPath
+ @"\" + component.ComponentName + " requires snapshotting of drive " + drive + ", adding it to the list.");
volumes.Add(searchedVol.First());
}
break;
}
}
//Logger.Append(Severity.TRIVIA, "Added writer/component "+spo);
//break;
}
//metadata.Metadata.Add(writer.SaveAsXml());
Metadata.Metadata.Add(writer.WriterName, writer.SaveAsXml());
if (found == false)
{
Logger.Append(Severity.WARNING, "Could not find VSS component " + spo + " which was part of backup paths");
}
}
}
}
Logger.Append(Severity.DEBUG, "3/6 Preparing Snapshot ");
//backup.SetBackupState(false, true, VssBackupType.Full, false);
Guid snapID = backup.StartSnapshotSet();
//Guid volID = new Guid();
foreach (FileSystem volume in volumes)
{
VSSSnapshot snapshot = new VSSSnapshot();
snapshot.Type = this.Name;
Logger.Append(Severity.DEBUG, "Preparing Snapshot of " + volume.MountPoint);
if (volume.MountPoint != null && backup.IsVolumeSupported(volume.MountPoint))
{
snapshot.Id = backup.AddToSnapshotSet(volume.MountPoint);
snapshot.Path = volume.MountPoint;
}
else // return the fake provider to get at least a degraded backup, better than nothing
{
Logger.Append(Severity.WARNING, "Volume '" + volume.MountPoint + "' is not snapshottable (or null). Backup will be done without snapshot, risks of data inconsistancy.");
ISnapshotProvider fakeSnapProvider = SnapshotProvider.GetProvider("NONE");
List <FileSystem> fakeList = new List <FileSystem>();
fakeList.Add(volume);
snapshot = (VSSSnapshot)fakeSnapProvider.CreateVolumeSnapShot(fakeList, null, SnapshotSupportedLevel.Full)[0];
}
if (snapshot.Id == System.Guid.Empty)
{
Logger.Append(Severity.ERROR, "Unable to add drive " + volume.MountPoint + " to snapshot set (null guid)");
}
else
{
Logger.Append(Severity.TRIVIA, "Drive " + volume.MountPoint + " will be snapshotted to " + snapshot.Id);
}
snapshots.Add(snapshot);
}
Logger.Append(Severity.DEBUG, "4/6 Calling Prepare...");
using (IVssAsync async = backup.PrepareForBackup()){
async.Wait();
async.Dispose();
}
Logger.Append(Severity.DEBUG, "5/6 Snapshotting volumes");
using (IVssAsync async = backup.DoSnapshotSet()){
async.Wait();
async.Dispose();
}
//if(OperatingSystemInfo.IsAtLeast(OSVersionName.WindowsServer2003))
foreach (IVssExamineWriterMetadata w in backup.WriterMetadata)
{
foreach (IVssWMComponent comp in w.Components)
{
try{
backup.SetBackupSucceeded(w.InstanceId, w.WriterId, comp.Type, comp.LogicalPath, comp.ComponentName, true);
Logger.Append(Severity.TRIVIA, "Component " + comp.ComponentName + " has been notified about backup success.");
}
catch (Exception) {
//Logger.Append (Severity.WARNING, "Could not notify component "+comp.ComponentName+" about backup completion : "+se.Message);
}
}
}
//Node.Misc.VSSObjectHandle.StoreObject(backup);
try{
//on XP backupcomplete consider that we have done with the snapshot and releases it.
//if(OperatingSystemInfo.IsAtLeast(OSVersionName.WindowsServer2003)){
backup.BackupComplete();
Metadata.Metadata.Add("_bcd_", backup.SaveAsXml());
//}
}catch (Exception bce) {
Logger.Append(Severity.WARNING, "Error calling VSS BackupComplete() : " + bce.Message);
}
using (IVssAsync async = backup.GatherWriterStatus()){
async.Wait();
async.Dispose();
}
Logger.Append(Severity.DEBUG, "6/6 Successfully shapshotted volume(s) ");
foreach (ISnapshot sn in snapshots)
{
if (sn.Id == Guid.Empty)
{
continue;
}
sn.MountPoint = backup.GetSnapshotProperties(sn.Id).SnapshotDeviceObject;
sn.TimeStamp = Utilities.Utils.GetUtcUnixTime(backup.GetSnapshotProperties(sn.Id).CreationTimestamp.ToUniversalTime());
/*
* DirectoryInfo snapMountPoint = Directory.CreateDirectory( Path.Combine(Utilities.ConfigManager.GetValue("Backups.TempFolder"), "snapshot_"+sn.Id));
* Logger.Append(Severity.DEBUG, "Mounting shapshotted volume '"+sn.Name+"' to '"+snapMountPoint.FullName+"'");
* backup.ExposeSnapshot(sn.Id, null, VssVolumeSnapshotAttributes.ExposedLocally, snapMountPoint.FullName);
* //sn.Path = snapMountPoint.FullName+Path.DirectorySeparatorChar;
* //sn.Path = @"\\?\Volume{"+sn.Id+"}"+Path.DirectorySeparatorChar;*/
}
}
catch (Exception e) {
try{
//backup.BackupComplete();
backup.AbortBackup();
}
catch (Exception ae) {
Logger.Append(Severity.ERROR, "Error trying to cancel VSS snapshot set : " + ae.Message);
}
// TODO !! report snapshoty failure to hub task
Logger.Append(Severity.ERROR, "Error creating snapshot :'" + e.Message + " ---- " + e.StackTrace + "'. Backup will continue without snapshot. Backup of VSS components will fail. !TODO! report that to hub");
backup.Dispose();
throw new Exception(e.Message);
}
finally{
// TODO !!! reactivate dispose
//backup.Dispose();
//pm.Revoke();
}
return((ISnapshot[])snapshots.ToArray(typeof(ISnapshot)));
}
}
/// <summary>
/// Constructs a new backup snapshot, using all the required disks
/// </summary>
/// <param name="sourcepaths">The folders that are about to be backed up</param>
/// <param name="options">A set of commandline options</param>
public WindowsSnapshot(string[] sourcepaths, Dictionary <string, string> options)
{
try
{
//Substitute for calling VssUtils.LoadImplementation(), as we have the dlls outside the GAC
string alphadir = Path.Combine(Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location), "alphavss");
string alphadll = System.IO.Path.Combine(alphadir, VssUtils.GetPlatformSpecificAssemblyShortName() + ".dll");
IVssImplementation vss = (IVssImplementation)System.Reflection.Assembly.LoadFile(alphadll).CreateInstance("Alphaleonis.Win32.Vss.VssImplementation");
List <Guid> excludedWriters = new List <Guid>();
if (options.ContainsKey("vss-exclude-writers"))
{
foreach (string s in options["vss-exclude-writers"].Split(';'))
{
if (!string.IsNullOrEmpty(s) && s.Trim().Length > 0)
{
excludedWriters.Add(new Guid(s));
}
}
}
//Check if we should map any drives
bool useSubst = Utility.Utility.ParseBoolOption(options, "vss-use-mapping");
//Prepare the backup
m_backup = vss.CreateVssBackupComponents();
m_backup.InitializeForBackup(null);
if (excludedWriters.Count > 0)
{
m_backup.DisableWriterClasses(excludedWriters.ToArray());
}
m_backup.StartSnapshotSet();
m_sourcepaths = new string[sourcepaths.Length];
for (int i = 0; i < m_sourcepaths.Length; i++)
{
m_sourcepaths[i] = System.IO.Directory.Exists(sourcepaths[i]) ? Utility.Utility.AppendDirSeparator(sourcepaths[i]) : sourcepaths[i];
}
try
{
//Gather information on all Vss writers
m_backup.GatherWriterMetadata();
m_backup.FreeWriterMetadata();
}
catch
{
try { m_backup.FreeWriterMetadata(); }
catch { }
throw;
}
//Figure out which volumes are in the set
m_volumes = new Dictionary <string, Guid>(StringComparer.InvariantCultureIgnoreCase);
foreach (string s in m_sourcepaths)
{
string drive = Alphaleonis.Win32.Filesystem.Path.GetPathRoot(s);
if (!m_volumes.ContainsKey(drive))
{
if (!m_backup.IsVolumeSupported(drive))
{
throw new VssVolumeNotSupportedException(drive);
}
m_volumes.Add(drive, m_backup.AddToSnapshotSet(drive));
}
}
//Signal that we want to do a backup
m_backup.SetBackupState(false, true, VssBackupType.Full, false);
//Make all writers aware that we are going to do the backup
m_backup.PrepareForBackup();
//Create the shadow volumes
m_backup.DoSnapshotSet();
//Make a little lookup table for faster translation
m_volumeMap = new Dictionary <string, string>(StringComparer.InvariantCultureIgnoreCase);
foreach (KeyValuePair <string, Guid> kvp in m_volumes)
{
m_volumeMap.Add(kvp.Key, m_backup.GetSnapshotProperties(kvp.Value).SnapshotDeviceObject);
}
//If we should map the drives, we do that now and update the volumeMap
if (useSubst)
{
m_mappedDrives = new List <DefineDosDevice>();
foreach (string k in new List <string>(m_volumeMap.Keys))
{
try
{
DefineDosDevice d;
m_mappedDrives.Add(d = new DefineDosDevice(m_volumeMap[k]));
m_volumeMap[k] = Utility.Utility.AppendDirSeparator(d.Drive);
}
catch { }
}
}
}
catch
{
//In case we fail in the constructor, we do not want a snapshot to be active
try { Dispose(); }
catch { }
throw;
}
}
public bool Create(List<String> Volumes)
{
try
{
if (OperatingSystemInfo.ProcessorArchitecture == ProcessorArchitecture.X64 || OperatingSystemInfo.ProcessorArchitecture == ProcessorArchitecture.IA64)
{
if (!System.IO.File.Exists(System.Windows.Forms.Application.StartupPath + "\\AlphaVSS.60.x64.dll"))
{
HelperFunctions.ShowError(Translations.Get("WrongVersion64"));
Settings.ShadowCopy = false;
return false;
}
}
else
{
if (!System.IO.File.Exists(System.Windows.Forms.Application.StartupPath + "\\AlphaVSS.60.x86.dll"))
{
HelperFunctions.ShowError(Translations.Get("WrongVersion32"));
Settings.ShadowCopy = false;
return false;
}
}
if (GlobalData.SettingsInAppData)
{
_OldSnapshotSetIdsPath = Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData) + "\\RoboGapp\\SnapshotIds.dat";
}
else
{
_OldSnapshotSetIdsPath = System.Windows.Forms.Application.StartupPath + "\\SnapshotIds.dat";
}
Abort();
HelperFunctions.WriteLog(Translations.Get("LoadingVSSImplementation"));
IVssImplementation VssImplementation = null;
try
{
VssImplementation = VssUtils.LoadImplementation();
}
catch (Exception ex)
{
HelperFunctions.ShowError(Translations.Get("ShadowCopyError") + "\n\n" + Translations.Get("Error") + "\n" + ex.Message);
if (OperatingSystemInfo.ProcessorArchitecture == ProcessorArchitecture.X64)
{
HelperFunctions.ShowError(Translations.Get("VCRedist64"));
}
else if (OperatingSystemInfo.ProcessorArchitecture == ProcessorArchitecture.IA64)
{
HelperFunctions.ShowError(Translations.Get("VCRedistIA64"));
}
else
{
HelperFunctions.ShowError(Translations.Get("VCRedist32"));
}
return false;
}
HelperFunctions.WriteLog(Translations.Get("CreatingBackupComponents"));
_BackupComponents = VssImplementation.CreateVssBackupComponents();
HelperFunctions.WriteLog(Translations.Get("InitializingVSSBackup"));
_BackupComponents.InitializeForBackup(null);
if (OperatingSystemInfo.OSVersionName > OSVersionName.WindowsServer2003)
{
HelperFunctions.WriteLog(Translations.Get("SettingVSSContext"));
_BackupComponents.SetContext(VssVolumeSnapshotAttributes.Persistent | VssVolumeSnapshotAttributes.NoAutoRelease);
}
HelperFunctions.WriteLog(Translations.Get("SettingVSSBackupState"));
_BackupComponents.SetBackupState(false, true, VssBackupType.Full, false);
HelperFunctions.WriteLog(Translations.Get("GatheringWriterMetadata"));
_BackupComponents.GatherWriterMetadata();
HelperFunctions.WriteLog(Translations.Get("CreatingSnapshotSet"));
_SnapshotSetId = _BackupComponents.StartSnapshotSet();
_SnapshotIds.Clear();
for (int i = 0; i < Volumes.Count; i++)
{
HelperFunctions.WriteLog(Translations.Get("AddingToSnapshotSet1") + Volumes[i] + Translations.Get("AddingToSnapshotSet2"));
Guid SnapshotId = _BackupComponents.AddToSnapshotSet(Volumes[i], Guid.Empty);
_SnapshotIds.Add(SnapshotId);
}
HelperFunctions.WriteLog(Translations.Get("SavingSnapshotSetID"));
SaveSnapshotSetId();
HelperFunctions.WriteLog(Translations.Get("PreparingVSSBackup"));
_BackupComponents.PrepareForBackup();
HelperFunctions.WriteLog(Translations.Get("CreatingVSSSnapshots"));
_BackupComponents.DoSnapshotSet();
HelperFunctions.WriteLog(Translations.Get("ExposingSnapshots"));
GlobalData.ShadowCopyMounts.Clear();
List<String> FreeDriveLetters = IO.GetFreeDriveLetters();
String Path = System.Windows.Forms.Application.StartupPath;
if (OperatingSystemInfo.OSVersionName > OSVersionName.WindowsServer2003)
{
try
{
if (System.IO.File.Exists(Path + "\\write.test")) File.Delete(Path + "\\write.test");
using (System.IO.File.Create(Path + "\\write.test")) { }
File.Delete(Path + "\\write.test");
}
catch
{
Path = IO.GetCommonApplicationDataPath();
if (Path == "")
{
HelperFunctions.ShowError(Translations.Get("ExposingSnapshotsDirError"));
return false;
}
}
}
for (int i = 0; i < Volumes.Count; i++)
{
if (OperatingSystemInfo.OSVersionName <= OSVersionName.WindowsServer2003)
{
GlobalData.ShadowCopyMounts.Add(Volumes[i], FreeDriveLetters[i]);
DefineDosDevice(0, FreeDriveLetters[i].Substring(0, 2), _BackupComponents.GetSnapshotProperties(_SnapshotIds[i]).SnapshotDeviceObject);
}
else
{
DriveInfo DriveInfo = null;
if (Path == System.Windows.Forms.Application.StartupPath)
{
DriveInfo = DriveInfo.GetDrives().FirstOrDefault((DriveInfo DI) => DI.RootDirectory.ToString() == System.Windows.Forms.Application.StartupPath.Substring(0, 3));
if (DriveInfo == null || DriveInfo.DriveType == DriveType.Network)
{
Path = IO.GetCommonApplicationDataPath();
if (Path == "")
{
HelperFunctions.ShowError(Translations.Get("ExposingSnapshotsDirError"));
return false;
}
}
}
GlobalData.ShadowCopyMounts.Add(Volumes[i], Path + "\\mnt" + i.ToString() + "\\");
if (System.IO.Directory.Exists(GlobalData.ShadowCopyMounts[Volumes[i]]))
{
try
{
Directory.Delete(GlobalData.ShadowCopyMounts[Volumes[i]], false);
}
catch (Exception ex)
{
HelperFunctions.ShowError(ex);
return false;
}
}
Directory.Create(GlobalData.ShadowCopyMounts[Volumes[i]]);
_BackupComponents.ExposeSnapshot(_SnapshotIds[i], null, VssVolumeSnapshotAttributes.ExposedLocally, GlobalData.ShadowCopyMounts[Volumes[i]]);
}
}
HelperFunctions.WriteLog(Translations.Get("SnapshotSuccessful"));
return true;
}
catch (Exception ex)
{
HelperFunctions.ShowError(ex);
return false;
}
}