void RunEntry(ZipFile zip, ArchiveFilename Archive, Manifest.File File, string TempFolder)
{
if (File == null || String.IsNullOrEmpty(TempFolder))
{
throw new ArgumentException("Invalid manifest entry or processing error for manifest entry.", "Entry");
}
Progress.label2.Text = "Extracting: " + File.RelativePath;
DoEvents();
string TempPath = Utility.StripTrailingSlash(TempFolder) + "\\" + File.Name;
try
{
ZippyForm.LogWriteLine(LogLevel.MediumDebug, "Verifying (extracting) file '" + File.RelativePath + "' to temporary path '" + TempPath + "'.");
ExtractAndDeleteFile(zip, File, TempPath);
BytesCompleted += (long)File.Length;
}
catch (CancelException ce) { throw ce; }
catch (Ionic.Zip.ZipException ze) { throw ze; }
catch (Ionic.Zlib.ZlibException ze) { throw ze; }
catch (FileNotFoundException fe) { throw fe; }
catch (Exception ex)
{
throw new Exception(ex.Message + "\nWhile verifying file '" + File.RelativePath + "' by trial extraction.", ex);
}
Progress.OverallProgressBar.Value = (int)(10000L * BytesCompleted / TotalBytes);
return;
}
void MapManifest(Manifest.Folder Folder, ref List <Manifest.File> Results, ref List <ArchiveFilename> ArchivesRequired, ref long TotalSize, ref Continuation Continuation, ref int MapStartTick)
{
if (Continuation.Required)
{
return;
}
if (Continuation.Starting)
{
if (!Utility.IsContainedIn(Folder.RelativePath, Continuation.LastRelativePath))
{
return;
}
}
foreach (Manifest.Folder Subfolder in Folder.Folders)
{
ZippyForm.LogWriteLine(LogLevel.MediumDebug, "\tMapping manifest folder '" + Subfolder.RelativePath + "'...");
MapManifest(Subfolder, ref Results, ref ArchivesRequired, ref TotalSize, ref Continuation, ref MapStartTick);
DoEvents();
if (Continuation.Required)
{
return;
}
}
long FilesAdded = 0, ArchivesAdded = 0;
foreach (Manifest.File File in Folder.Files)
{
if (Continuation.Starting)
{
if (File.RelativePath.Equals(Continuation.LastRelativePath, System.StringComparison.OrdinalIgnoreCase))
{
ZippyForm.LogWriteLine(LogLevel.LightDebug, "Found continuation marker '" + Continuation.LastRelativePath + ".");
Continuation.Starting = false;
MapStartTick = Environment.TickCount;
}
continue; // The marker file itself was included in the previous verification run, not this one.
}
Results.Add(File);
TotalSize += (long)File.Length;
FilesAdded++;
ArchiveFilename Archive = ArchiveFilename.Parse(File.ArchiveFile);
if (!ArchivesRequired.Contains(Archive))
{
ArchivesRequired.Add(Archive); ArchivesAdded++;
}
if (AutomaticVerify && (Environment.TickCount - MapStartTick) > MaxMappingDurationInTicks)
{
Continuation.Required = true;
Continuation.LastRelativePath = File.RelativePath;
ZippyForm.LogWriteLine(LogLevel.MediumDebug, "\tMapping time limit exceeded. Marking mapping continuation at '" + Continuation.LastRelativePath + "'.");
return;
}
}
ZippyForm.LogWriteLine(LogLevel.MediumDebug, "\t\tFound " + FilesAdded + " files and " + ArchivesAdded + " new archives to be verified.");
}
public override bool Equals(object obj)
{
ArchiveFilename b = obj as ArchiveFilename;
if ((object)b == null)
{
return(false);
}
return(BackupDate == b.BackupDate && BackupTime == b.BackupTime && BackupType == b.BackupType);
}
void IdentifyRequiredArchives(List <ArchiveFilename> ArchivesRequired, Manifest.Entry Entry)
{
try
{
if (Entry is Manifest.File)
{
Manifest.File File = (Manifest.File)Entry;
TotalBytes += (long)File.Length;
ArchiveFilename Archive = ArchiveFilename.Parse(File.ArchiveFile);
if (!ArchivesRequired.Contains(Archive))
{
ArchivesRequired.Add(Archive);
}
}
else if (Entry is Manifest.Folder)
{
Manifest.Folder Folder = (Manifest.Folder)Entry;
foreach (Manifest.File File in Folder.Files)
{
IdentifyRequiredArchives(ArchivesRequired, File);
}
foreach (Manifest.Folder Subfolder in Folder.Folders)
{
IdentifyRequiredArchives(ArchivesRequired, Subfolder);
}
}
else
{
throw new ArgumentException();
}
}
catch (CancelException ce) { throw ce; }
catch (Exception ex)
{
try
{
ZippyForm.LogWriteLine(LogLevel.Information, "Error while identifying required archive for '" + Entry.RelativePath + "': " + ex.Message);
ZippyForm.LogWriteLine(LogLevel.LightDebug, "Detailed error: " + ex.ToString());
throw new Exception(ex.Message + "\nWhile analyzing archives for entry '" + Entry.RelativePath + "'.", ex);
}
catch (Exception exc)
{
throw new Exception(exc.Message + "\nWhile generating error message for: \n\n" + ex.Message, exc);
}
}
}
/// <summary>
/// WasUpdatedInArchive() examines whether any files or subfolders of a specified folder
/// within an archive actually contained any files within this archive. Since a manifest
/// contains a complete listing of all files and folders, including ones which are backed
/// up by "external reference" (incremental backup), we must figure out if the file is
/// actually present inside this archive when searching for it.
/// </summary>
/// <param name="Archive"></param>
/// <param name="ManifestFolder"></param>
/// <returns></returns>
bool WasUpdatedInArchive(ArchiveFilename Archive, Manifest.Folder ManifestFolder)
{
foreach (Manifest.File File in ManifestFolder.Files)
{
if (File.ArchiveFile == Archive.ToString())
{
return(true);
}
}
foreach (Manifest.Folder Subfolder in ManifestFolder.Folders)
{
if (WasUpdatedInArchive(Archive, Subfolder))
{
return(true);
}
}
return(false);
}
public void LoadAll(BackupProject Project)
{
Archives = new List <ArchiveFilename>();
try
{
FileInfo[] FileList = new DirectoryInfo(Project.CompleteBackupFolder).GetFiles("Backup_*.zip");
foreach (FileInfo fi in FileList)
{
ArchiveFilename af;
if (!ArchiveFilename.TryParse(fi.Name, out af))
{
continue;
}
Archives.Add(af);
}
}
catch (DirectoryNotFoundException)
{
return;
}
}
bool SearchManifestForFolderName(ArchiveFilename Archive, Manifest.Folder ManifestFolder, string[] SearchWords)
{
foreach (Manifest.Folder Subfolder in ManifestFolder.Folders)
{
bool Match = true;
foreach (string Word in SearchWords)
{
if (!Subfolder.Name.ToLowerInvariant().Contains(Word))
{
Match = false; break;
}
}
if (Match && WasUpdatedInArchive(Archive, Subfolder))
{
return(true);
}
if (SearchManifestForFolderName(Archive, Subfolder, SearchWords))
{
return(true);
}
}
return(false);
}
/// <summary>
/// TryParse() converts a filename in the ZippyBackup format to a date and time indicator.
/// The time indicator is a sequence counter (i.e. A, B, C, etc.) as opposed to an exact time. The
/// exact time is available from the XML Manifest inside the zip file.
/// </summary>
/// <param name="Filename">ZippyBackup format filename to parse.</param>
/// <returns>True if the filename was parsed successfully. False otherwise. An exception is thrown
/// if a file is identified as a backup zip file but we are otherwise unable to parse the filename.</returns>
public static bool TryParse(string Filename, out ArchiveFilename Result)
{
Result = new ArchiveFilename();
if (!Filename.ToLowerInvariant().StartsWith("backup_"))
{
return(false);
}
if (!Filename.ToLowerInvariant().EndsWith(".zip"))
{
return(false);
}
// Backup_Jan21A_1980.zip
// Backup_Mar18B_1981_Complete.zip
// Backup_Jan21BB_1980.zip
// 012345678901234567890123456
if (Filename.Length < 22)
{
return(false);
}
// Locate the index of the first underscore.
int iUnderscore = Filename.IndexOf('_');
if (iUnderscore < 0 || iUnderscore + 1 >= Filename.Length)
{
throw new FormatException("Unable to locate second underscore in filename within project backup directory: " + Filename);
}
// Locate the index of the second underscore, place it into iUnderscore for later use.
int ii = Filename.Substring(iUnderscore + 1).IndexOf('_');
iUnderscore += ii + 1;
if (ii < 0 || iUnderscore + 4 >= Filename.Length)
{
throw new FormatException("Invalid backup filename format in project backup directory: " + Filename);
}
// Parse the month abbreviation as a string
string MonthAbbr = new string(new char[] { Filename[7], Filename[8], Filename[9] });
int Day, Year;
// Parse the day
if (!int.TryParse(new string(new char[] { Filename[10], Filename[11] }), out Day))
{
throw new FormatException("Invalid day specification in backup filename in project backup directory: " + Filename);
}
// Parse the time, which is just the sequence letter (i.e. A, B, C, ... AA, AB, AC, etc.)
try
{
Result.BackupTime = Utility.LettersToInt(Filename.Substring(12));
}
catch (Exception) { throw new FormatException("Unable to parse backup time (letter) from filename in backup directory file: " + Filename); }
// Parse the year
if (!int.TryParse(new string(new char[] { Filename[iUnderscore + 1], Filename[iUnderscore + 2], Filename[iUnderscore + 3], Filename[iUnderscore + 4] }),
out Year))
{
throw new FormatException("Unable to parse year from filename in project backup directory filename: " + Filename);
}
// Parse the month from abbreviation string
int Month = DateTime.ParseExact(MonthAbbr, "MMM", CultureInfo.CurrentCulture).Month;
// Combine the parsed date information into a DateTime.
Result.BackupDate = new DateTime(Year, Month, Day);
// Look for "_Complete" indicator on filename.
if (Filename.Contains("_Complete"))
{
Result.BackupType = BackupTypes.Complete;
}
else
{
Result.BackupType = BackupTypes.Incremental;
}
return(true);
}
void Run(ref Continuation Continuation)
{
// Setup progress UI...
Progress = new ProgressForm();
Progress.Text = "Verifying archived files for project '" + Project.Name + "'.";
Progress.OverallProgressBar.Maximum = 10000;
Progress.OverallProgressBar.Minimum = 0;
Progress.OverallProgressBar.Value = 0;
Progress.CancelPrompt = "Are you sure you wish to cancel this verification operation?";
Progress.Show();
try
{
System.Diagnostics.Process.GetCurrentProcess().PriorityClass = System.Diagnostics.ProcessPriorityClass.BelowNormal;
ZippyForm.LogWriteLine(LogLevel.Information, "Starting verification of backup '" + Project.Name + "'.");
string UserTempFolder = Path.GetTempPath();
TempRoot = new DirectoryInfo(Utility.StripTrailingSlash(UserTempFolder) + "\\ZippyBackup_Verification");
Directory.CreateDirectory(TempRoot.FullName);
try
{
Progress.label1.Text = "Retrieving latest archive manifest...";
DoEvents();
ArchiveFilename LatestBackup;
Manifest LatestManifest;
try
{
using (NetworkConnection newself = new NetworkConnection(Project.CompleteBackupFolder, Project.BackupCredentials))
{
// Locate latest backup (either complete or incremental.)
lock (Project.ArchiveFileList) LatestBackup = Project.ArchiveFileList.FindMostRecent();
if (LatestBackup == ArchiveFilename.MaxValue)
{
throw new NoCompleteBackupException();
}
ZippyForm.LogWriteLine(LogLevel.LightDebug, "Loading most recent manifest from '" + LatestBackup.ToString() + "' of project '" + Project.Name + "'.");
LatestManifest = LatestBackup.LoadArchiveManifest(Project, true);
}
}
catch (CancelException ce) { throw ce; }
catch (Exception ex)
{
throw new Exception(ex.Message + " Error while loading last backup for incremental update.", ex);
}
int StartTick = Environment.TickCount;
if (Continuation.Starting)
{
ZippyForm.LogWriteLine(LogLevel.LightDebug, "Continuing from previous run. Searching for starting point '" + Continuation.LastRelativePath + "'.");
}
Continuation MapContinuation = new Continuation();
MapContinuation.Starting = Continuation.Starting;
MapContinuation.LastRelativePath = Continuation.LastRelativePath;
Continuation.Required = false;
while (!Continuation.Required)
{
/** Operate on a single zip file at a time. This requires planning which files are
* coming from where. Also, we count how many total bytes we'll be extracting. **/
Progress.label1.Text = "Identifying required archive files...";
DoEvents();
List <Manifest.File> FileList = new List <Manifest.File>();
List <ArchiveFilename> ArchivesRequired = new List <ArchiveFilename>();
TotalBytes = 0;
/** For extremely large archives, it can happen that even just scanning through the manifest can be very time consuming. We don't want
* to spend too much time on this step, so we have a time limit for coming up with file/archive list. But we also have a time limit
* for the overall verify operation. We use a pattern of spending N minutes coming up with filenames and then processing that bunch,
* then repeating as long as the overall M minute limit hasn't yet been reached. This requires keeping track of "where we left off"
* for both the scanning operation and the overall verify operation. If a file hasn't yet been extracted and verified and we have to
* quit because of time or cancellation, then we need the overall "where we left off" to point to the last extracted file, potentially
* repeating a little bit of the mapping time when we startup again.
*/
int MapStartTick = Environment.TickCount;
// If the last loop ran into a mapping time limit, initiate a continuation on the mapping. If the last verification ran into a time limit,
// we are also doing a mapping continuation because there is no need to map anything before the first file of the new set.
if (MapContinuation.Required)
{
MapContinuation.Starting = true;
}
MapContinuation.Required = false;
if (MapContinuation.Starting)
{
ZippyForm.LogWriteLine(LogLevel.LightDebug, "Identifying required archive files, beginning at '" + MapContinuation.LastRelativePath + "'...");
}
else
{
ZippyForm.LogWriteLine(LogLevel.LightDebug, "Identifying required archive files...");
}
MapManifest(LatestManifest.ArchiveRoot, ref FileList, ref ArchivesRequired, ref TotalBytes, ref MapContinuation, ref MapStartTick);
if (MapContinuation.Starting)
{
// We have the case where we never found the continuation marker. This can happen if the latest archive mismatches
// the one where the continuation marker was made. We just restart from the beginning of the archive.
ZippyForm.LogWriteLine(LogLevel.LightDebug, "Continuation marker not found. Starting verification from beginning.");
MapContinuation.Starting = false;
Debug.Assert(FileList.Count == 0 && ArchivesRequired.Count == 0);
MapStartTick = Environment.TickCount;
MapManifest(LatestManifest.ArchiveRoot, ref FileList, ref ArchivesRequired, ref TotalBytes, ref MapContinuation, ref MapStartTick);
}
ZippyForm.LogWriteLine(LogLevel.LightDebug, "Archives requiring verification (" + ArchivesRequired.Count + "):");
foreach (ArchiveFilename Archive in ArchivesRequired)
{
ZippyForm.LogWriteLine(LogLevel.LightDebug, "\t" + Archive.ToString());
}
ZippyForm.LogWriteLine(LogLevel.LightDebug, "Starting individual verifications of " + FileList.Count + " files...");
// Begin extracting each file and then immediately deleting if successful.
int FilesVerified = 0;
foreach (ArchiveFilename Archive in ArchivesRequired)
{
Progress.label1.Text = "Extracting from archive: " + Archive.ToString();
DoEvents();
ZippyForm.LogWriteLine(LogLevel.LightDebug, "Verifying archive: " + Archive.ToString());
try
{
using (ZipFile zip = ZipFile.Read(Project.CompleteBackupFolder + "\\" + Archive.ToString()))
{
zip.ZipError += new EventHandler <ZipErrorEventArgs>(OnZipError);
zip.ExtractProgress += new EventHandler <ExtractProgressEventArgs>(OnZipExtractProgress);
foreach (Manifest.File Entry in FileList)
{
ArchiveFilename NeededArchive = ArchiveFilename.Parse(Entry.ArchiveFile);
if (NeededArchive != Archive)
{
continue;
}
RunEntry(zip, Archive, Entry, Utility.StripTrailingSlash(TempRoot.FullName));
FilesVerified++;
if (AutomaticVerify && (Environment.TickCount - StartTick) > MaxAutomaticDurationInTicks)
{
Continuation.Required = true;
Continuation.Starting = true;
Continuation.LastRelativePath = Entry.RelativePath;
ZippyForm.LogWriteLine(LogLevel.LightDebug, "New verification continuation marker set to '" + Continuation.LastRelativePath + "'.");
ZippyForm.LogWriteLine(LogLevel.Information, "Verify terminating early due to individual scan time limit.");
break;
}
}
}
}
catch (FileNotFoundException fe)
{
StringBuilder Msg = new StringBuilder();
Msg.Append("Unable to locate file(s) in archive '" + Archive.ToString() + "'. Do you want to delete this archive so that it will be reconstructed on your next backup?\n\nThe error was: " + fe.Message);
switch (MessageBox.Show(Msg.ToString(), "Error", MessageBoxButtons.YesNoCancel))
{
case DialogResult.Yes: File.Delete(Project.CompleteBackupFolder + "\\" + Archive.ToString()); break;
case DialogResult.No: break;
case DialogResult.Cancel: throw new CancelException();
default: throw new NotSupportedException();
}
}
catch (Ionic.Zip.ZipException ze)
{
StringBuilder Msg = new StringBuilder();
Msg.Append("Unable to extract file(s) from archive '" + Archive.ToString() + "'. Do you want to delete this archive so that it will be reconstructed on your next backup?\n\nThe error was: " + ze.Message);
switch (MessageBox.Show(Msg.ToString(), "Error", MessageBoxButtons.YesNoCancel))
{
case DialogResult.Yes: File.Delete(Project.CompleteBackupFolder + "\\" + Archive.ToString()); break;
case DialogResult.No: break;
case DialogResult.Cancel: throw new CancelException();
default: throw new NotSupportedException();
}
}
catch (Ionic.Zlib.ZlibException ze)
{
StringBuilder Msg = new StringBuilder();
Msg.Append("Unable to extract file(s) from archive '" + Archive.ToString() + "'. Do you want to delete this archive so that it will be reconstructed on your next backup?\n\nThe error was: " + ze.Message);
switch (MessageBox.Show(Msg.ToString(), "Error", MessageBoxButtons.YesNoCancel))
{
case DialogResult.Yes: File.Delete(Project.CompleteBackupFolder + "\\" + Archive.ToString()); break;
case DialogResult.No: break;
case DialogResult.Cancel: throw new CancelException();
default: throw new NotSupportedException();
}
}
ZippyForm.LogWriteLine(LogLevel.LightDebug, "Verified " + FilesVerified + " of " + FileList.Count + " files.");
if (Continuation.Required)
{
break;
}
}
if (!MapContinuation.Required)
{
break;
}
}
string BackupStatusFile = Project.CompleteBackupFolder + "\\Backup_Status.xml";
BackupStatus bs = new BackupStatus();
try { bs = BackupStatus.Load(BackupStatusFile); }
catch (Exception) { }
bs.LastVerify = DateTime.UtcNow;
if (!Continuation.Required)
{
bs.LastCompletedVerify = DateTime.UtcNow;
}
if (!Continuation.Required)
{
bs.LastVerifyRelativePath = "";
}
else
{
bs.LastVerifyRelativePath = Continuation.LastRelativePath;
}
bs.Save(BackupStatusFile);
ZippyForm.LogWriteLine(LogLevel.Information, "Verification complete.");
}
finally
{
Directory.Delete(TempRoot.FullName);
}
}
catch (CancelException ce)
{
ZippyForm.LogWriteLine(LogLevel.Information, "Verification cancelled by user before completion.");
throw ce;
}
catch (Exception ex)
{
ZippyForm.LogWriteLine(LogLevel.LightDebug, "Verification interrupted by error: " + ex.Message);
throw ex;
}
finally
{
Progress.Dispose();
Progress = null;
System.Diagnostics.Process.GetCurrentProcess().PriorityClass = System.Diagnostics.ProcessPriorityClass.Normal;
}
}
void RunEntry(ZipFile zip, ArchiveFilename Archive, Manifest.Entry Entry, string DestinationFolder)
{
if (Entry == null || String.IsNullOrEmpty(DestinationFolder))
{
throw new ArgumentException("Invalid manifest entry or processing error for manifest entry.", "Entry");
}
bool IsArchiveRoot = (String.IsNullOrEmpty(Entry.Name)) && Entry is Manifest.Folder;
Progress.label2.Text = "Extracting: " + Entry.RelativePath;
DoEvents();
string Path = Utility.StripTrailingSlash(DestinationFolder) + "\\" + Entry.Name;
if (Entry is Manifest.File)
{
Manifest.File File = (Manifest.File)Entry;
try
{
ArchiveFilename NeededArchive = ArchiveFilename.Parse(File.ArchiveFile);
if (NeededArchive == Archive)
{
Directory.CreateDirectory(DestinationFolder);
ExtractFile(zip, File, Path);
ExtractProperties(File, Path);
BytesCompleted += (long)File.Length;
}
}
catch (CancelException ce) { throw ce; }
catch (Exception ex)
{
throw new Exception(ex.Message + "\nWhile extracting file '" + Entry.RelativePath + "'.", ex);
}
}
else if (Entry is Manifest.Folder)
{
Manifest.Folder Folder = (Manifest.Folder)Entry;
try
{
Directory.CreateDirectory(Path);
foreach (Manifest.File File in Folder.Files)
{
RunEntry(zip, Archive, File, Path);
}
foreach (Manifest.Folder Subfolder in Folder.Folders)
{
RunEntry(zip, Archive, Subfolder, Path);
}
if (!IsArchiveRoot)
{
ExtractProperties(Folder, Path);
}
}
catch (CancelException ce) { throw ce; }
catch (Exception ex)
{
throw new Exception(ex.Message + "\nWhile extracting folder '" + Entry.RelativePath + "'.", ex);
}
}
else
{
throw new ArgumentException();
}
Progress.OverallProgressBar.Value = (int)(10000L * BytesCompleted / TotalBytes);
return;
}
public void OnNewBackup(ArchiveFilename NewArchive)
{
lock (ArchiveFileList)
ArchiveFileList.Archives.Add(NewArchive);
}
void WorkerThread()
{
try
{
while (!Closing)
{
Thread.Sleep(0);
lock (SearchStateLock)
{
BackupProject Project = CurrentProject;
if (Project == null)
{
Thread.Sleep(100);
IsArchiveNamesComplete = true;
IsFolderNamesComplete = true;
continue;
}
string[] SearchWords = CurrentSearchWords;
if (SearchWords == null || SearchWords.Length == 0)
{
// In the case where the user has selected a project but no search details,
// we want to show all available backup archives.
if (!IsArchiveNamesComplete)
{
lock (Project.ArchiveFileList)
{
foreach (ArchiveFilename Backup in Project.ArchiveFileList.Archives)
{
if (!AllResults.Contains(Backup))
{
AllResults.Add(Backup);
lock (NewResults) NewResults.Add(Backup);
}
}
}
IsArchiveNamesComplete = true;
}
IsFolderNamesComplete = true;
Thread.Sleep(100);
continue;
}
if (!IsArchiveNamesComplete && IncludeArchiveNames)
{
lock (Project.ArchiveFileList)
{
foreach (ArchiveFilename Backup in Project.ArchiveFileList.Archives)
{
string BackupFile = Backup.ToString().ToLower();
bool Match = true;
foreach (string Word in SearchWords)
{
if (!BackupFile.Contains(Word))
{
Match = false; break;
}
}
if (!Match)
{
continue;
}
if (!AllResults.Contains(Backup))
{
AllResults.Add(Backup);
lock (NewResults) NewResults.Add(Backup);
}
}
}
IsArchiveNamesComplete = true;
continue;
}
if (!IsFolderNamesComplete && IncludeFolderNames)
{
ArchiveFilename ExamineNext = null;
lock (Project.ArchiveFileList)
{
foreach (ArchiveFilename Backup in Project.ArchiveFileList.Archives)
{
bool AlreadyDone = false;
foreach (ArchiveFilename PosRes in AllResults)
{
if (Backup == PosRes)
{
AlreadyDone = true; break;
}
}
if (AlreadyDone)
{
continue;
}
foreach (ArchiveFilename NegRes in NegFolderNameResults)
{
if (Backup == NegRes)
{
AlreadyDone = true; break;
}
}
if (AlreadyDone)
{
continue;
}
ExamineNext = Backup;
break;
}
}
if (ExamineNext == null)
{
IsFolderNamesComplete = true;
continue;
}
/** Examine a single archive on this pass of the loop **/
Manifest Manifest;
lock (Project.ManifestCache)
{
if (!Project.ManifestCache.TryGetValue(ExamineNext, out Manifest))
{
try
{
using (NetworkConnection newconn = new NetworkConnection(Project.CompleteBackupFolder, Project.BackupCredentials))
Manifest = ExamineNext.LoadArchiveManifest(Project, false);
Project.ManifestCache.Add(ExamineNext, Manifest);
}
catch (Ionic.Zip.BadPasswordException)
{
PasswordBlockedSearch = true;
NegFolderNameResults.Add(ExamineNext);
continue;
}
}
}
if (SearchManifestForFolderName(ExamineNext, Manifest.ArchiveRoot, SearchWords))
{
if (!AllResults.Contains(ExamineNext))
{
AllResults.Add(ExamineNext);
lock (NewResults) NewResults.Add(ExamineNext);
}
}
else
{
NegFolderNameResults.Add(ExamineNext);
}
continue;
}
// If we reach this point, the search has already completed. Idle time.
Thread.Sleep(100);
}
}
}
catch (Exception ex)
{
lock (ExceptionLock)
{
WorkerException = ex;
}
}
}