// Get directory size from path, with or without sub directories
public static long GetDirectorySize(DirectoryInfo directoryPath, bool IncludeSubDirectories)
{
try
{
/*
* dynamic fso = Activator.CreateInstance(Type.GetTypeFromProgID("Scripting.FileSystemObject"));
* var fldr = fso.GetFolder(directoryPath.FullName);
*
* return Convert.ToInt64((ulong)fldr.size);
*/
directoryPath.Refresh();
if (!directoryPath.Exists || !new DriveInfo(Path.GetPathRoot(directoryPath.Root.FullName)).IsReady)
{
return(0);
}
// Define a "long" for directory size
long DirectorySize = 0;
foreach (var CurrentFile in directoryPath.EnumerateFiles("*", (IncludeSubDirectories) ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly).Where(x => x is FileInfo))
{
DirectorySize += CurrentFile.Length;
}
// and return directory size
return(DirectorySize);
}
catch (DirectoryNotFoundException ex)
{
logger.Error(ex);
return(0);
}
// on error, return 0
catch (Exception ex)
{
logger.Fatal(ex);
return(0);
}
}
private void BackupSubset(IDictionary <string, string> vmNamesMapSubset, Options options, ILogger logger)
{
var vssImpl = VssFactoryProvider.Default.GetVssFactory();
using (var 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
var 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
// StringComparer.InvariantCultureIgnoreCase requiered to fix duplicate Keys with different case error
IDictionary <string, string> volumeMap =
new Dictionary <string, string>(StringComparer.InvariantCultureIgnoreCase);
var wm = vss.WriterMetadata.FirstOrDefault(o => o.WriterId.Equals(hyperVwriterGuid));
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;
string volumePath;
if (CSV.IsSupported() && CSV.IsPathOnSharedVolume(file.Path))
{
CSV.ClusterPrepareSharedVolumeForBackup(file.Path, out volumePath, out volumeName);
}
else
{
volumePath = Path.GetPathRoot(file.Path).ToUpper();
volumeName = volumePath;
}
if (!volumeMap.ContainsKey(volumePath))
{
volumeMap.Add(volumePath, volumeName);
}
}
}
}
if (components.Count > 0)
{
var 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, logger);
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 override string GetPathRoot(string path)
{
return(AfsPath.GetPathRoot(path));
}
