internal FileCompareProvider(long task, BackupRootDrive rd)
{
this.rootDrive = rd;
this.taskId = task;
prov = ItemProvider.GetProvider();
//Logger.Append(Severity.INFO, "Gathering changed items since "+refBackupStart.ToString());
//depth = 0;
/*Index refIndex = new Index();
* refIndex.Open(refTaskId);
* refMaxId = refIndex.GetMaxId(rd.systemDrive.MountPoint);
* refTaskEnumerator = refIndex.GetItemsEnumerator(rd.systemDrive.MountPoint).GetEnumerator();*/
}
internal FileCompareProvider_old(long task, BackupRootDrive rd)
{
this.rootDrive = rd;
this.taskId = task;
prov = ItemProvider.GetProvider();
//Logger.Append(Severity.INFO, "Gathering changed items since "+refBackupStart.ToString());
//itemsToCompare = new List<IFile>();
depth = 0;
// get the full/synth index of reference backup, to check for renames/deletions/creations
/*Index refIndex = new Index();
* refIndex.Open(refTaskId);
* refMaxId = refIndex.GetMaxId(rd.systemDrive.MountPoint);
* refTaskEnumerator = refIndex.GetItemsEnumerator(rd.systemDrive.MountPoint).GetEnumerator();*/
}
public IEnumerable <IFSEntry> GetNextEntry(BasePath path, string snapshottedPath)
{
IFileProvider itemProv = ItemProvider.GetProvider();
try{
if (entries == null)
{
entries = GetUsnRecordsDictionary();
}
Logger.Append(Severity.TRIVIA, "Got " + entries.Count + " (total for whole drive) changed entries since reference backup");
}
catch (Exception e) {
Logger.Append(Severity.ERROR, "Cannot query drive USN journal : " + e.Message);
throw(e);
}
// now that we got a list with only the last usn cumulated change, analyze it
foreach (KeyValuePair <int, Win32Api.UsnEntry> entry in entries)
{
string ePath = "";
Console.WriteLine(" USN entry: " + entry.ToString());
usnJ.GetPathFromFileReference(entry.Value.FileReferenceNumber /*(ulong)entry.Key*/, out ePath);
ePath = brd.Snapshot.MountPoint /*Path*/.TrimEnd('\\') + ePath;
//if(ePath.ToLower().Contains("copy") ||ePath.ToLower().Contains("docs") )
Console.WriteLine(" ///// fullpath=" + ePath);
IFSEntry changedItem;
/*if(((NtfsUsnJournal.UsnReasonCode)entry.Value.Reason).HasFlag(NtfsUsnJournal.UsnReasonCode.USN_REASON_FILE_CREATE))
* Console.WriteLine ("*** item "+ePath+" CREATED");
* else */
if ((((Win32Api.UsnReasonCode)entry.Value.Reason).HasFlag(Win32Api.UsnReasonCode.USN_REASON_FILE_DELETE)))
{
/*if( (((NtfsUsnJournal.UsnReasonCode)entry.Value.Reason).HasFlag ( NtfsUsnJournal.UsnReasonCode.USN_REASON_FILE_CREATE )) ){
* Console.WriteLine ("*** item "+entry.Value.Name+" CREATED+DELETED");
* // TODO : handle deleted + created items (ID reused), if NTFS does so
* continue;
* }*/
Console.WriteLine("***DELETEF### item " + entry.Value.Name + " DELETED");
changedItem = new NTBackupFile();
changedItem.ID = entry.Key;
changedItem.Name = entry.Value.Name;
//changedItem.BlockMetadata.BlockMetadata.Add(new DeletedItem());
changedItem.ChangeStatus = DataLayoutInfos.Deleted;
yield return(changedItem);
continue;
}
// item not corresponding to current wanted path.
if (ePath.IndexOf(snapshottedPath) != 0)
{
continue;
}
try{
changedItem = itemProv.GetItemByPath(ePath);
changedItem.ParentID = (int)entry.Value.ParentFileReferenceNumber;
/*else/* if( (((NtfsUsnJournal.UsnReasonCode)entry.Value.Reason).HasFlag ( NtfsUsnJournal.UsnReasonCode.USN_REASON_DATA_EXTEND ))
|| (((NtfsUsnJournal.UsnReasonCode)entry.Value.Reason).HasFlag ( NtfsUsnJournal.UsnReasonCode.USN_REASON_DATA_OVERWRITE ))
|| (((NtfsUsnJournal.UsnReasonCode)entry.Value.Reason).HasFlag ( NtfsUsnJournal.UsnReasonCode.USN_REASON_DATA_TRUNCATION ))
|| (((NtfsUsnJournal.UsnReasonCode)entry.Value.Reason).HasFlag ( NtfsUsnJournal.UsnReasonCode.USN_REASON_ENCRYPTION_CHANGE ))
|| )
|| {
|| Console.WriteLine ("*** item "+ePath+" DATA MODIFIED");
|| changedItem.BlockMetadata.BlockMetadata.Add(new Mod());
|| }*/
/*else */ if ((((Win32Api.UsnReasonCode)entry.Value.Reason).HasFlag(Win32Api.UsnReasonCode.USN_REASON_RENAME_NEW_NAME) ||
(((Win32Api.UsnReasonCode)entry.Value.Reason).HasFlag(Win32Api.UsnReasonCode.USN_REASON_RENAME_OLD_NAME))
))
{
Console.WriteLine("***RENAMED### item " + ePath + " RENAMED ");
//RenamedOrMovedItem rmi = new RenamedOrMovedItem();
//rmi.OldName = entry.Value.OldName;
//changedItem.BlockMetadata.BlockMetadata.Add(rmi);
// check if there is data changes , additionally to rename:
Win32Api.UsnReasonCode newR = ((Win32Api.UsnReasonCode)entry.Value.Reason);
newR &= ~Win32Api.UsnReasonCode.USN_REASON_RENAME_NEW_NAME;
newR &= ~Win32Api.UsnReasonCode.USN_REASON_RENAME_OLD_NAME;
newR &= ~Win32Api.UsnReasonCode.USN_REASON_CLOSE;
if ((uint)newR == 0x00000000)
{
changedItem.ChangeStatus = DataLayoutInfos.RenameOnly;
}
//changedItem.BlockMetadata.BlockMetadata.Add(new UnchangedDataItem());
}
/*else if( (((NtfsUsnJournal.UsnReasonCode)entry.Value.Reason).HasFlag ( NtfsUsnJournal.UsnReasonCode.U )) )
* Console.WriteLine ("*** item "+ePath+" MOVED");*/
}
catch (Exception e) { //don't add item, but report it, put backup task in Warning state
Logger.Append(Severity.ERROR, "Could not add item '" + ePath + "', TODO : REPORT REPORT!!. " + e.Message);
continue;
}
//Console.WriteLine (" == usn entry path="+ePath+", reason="+((NtfsUsnJournal.UsnReasonCode)entry.Value.Reason).ToString()+" ("+entry.Value.Reason+"), ID="+ (int)(entry.Value.FileReferenceNumber)+", pid="+(int)entry.Value.ParentFileReferenceNumber);
yield return(changedItem);
}
//}
}
internal FileComparer(long task, BackupRootDrive rd)
{
this.rootDrive = rd;
this.taskId = task;
prov = ItemProvider.GetProvider();
}
