/// <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);
}
/// <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;
}