public void Refresh(bool PromptForPassword)
{
try
{
LastRefresh = DateTime.Now;
ArchiveFilename MostRecent;
lock (ArchiveFileList)
{
using (NetworkConnection newself = new NetworkConnection(CompleteBackupFolder, BackupCredentials))
ArchiveFileList.LoadAll(this);
// Locate most recent backup...
MostRecent = ArchiveFileList.FindMostRecent();
}
if (MostRecent == ArchiveFilename.MaxValue)
{
MostRecentBackup = DateTime.MinValue;
}
else
{
try
{
Manifest Manifest;
using (NetworkConnection newself = new NetworkConnection(CompleteBackupFolder, BackupCredentials))
Manifest = MostRecent.LoadArchiveManifest(this, PromptForPassword);
MostRecentBackup = Manifest.BackupStartTime;
}
catch (Ionic.Zip.BadPasswordException bpe)
{
if (PromptForPassword)
{
throw bpe;
}
else
{
MostRecentBackup = MostRecent.BackupDate;
}
}
}
// Also check for an Backup_Status.xml file...
// This file is created with each backup, and is particularly helpful when we have an 'empty backup'
// where no archive need be created (because nothing has changed). We need to display to the user that
// the project was backed up recently, but we needn't create an archive. The Backup_Status.xml file
// accomplishes this.
FileInfo[] FileList = new DirectoryInfo(CompleteBackupFolder).GetFiles("Backup_Status.xml");
if (FileList.Length > 0)
{
BackupStatus Status = null;
try
{
Status = BackupStatus.Load(FileList[0].FullName);
}
catch (Exception exc)
{
MessageBox.Show("Unable to load backup status file (see error details below). This file helps ZippyBackup keep track of some things, but we can also figure it out from scratch and make a new backup status file when you perform your next backup. Click OK and ZippyBackup will proceed without it. Your next backup may take longer than usual.\n\nDetailed error information: " + exc.Message);
}
if (Status != null)
{
if (MostRecent != ArchiveFilename.MaxValue &&
Status.LastArchive == MostRecent.ToString() &&
Status.LastBackup.ToUniversalTime() > MostRecentBackup.ToUniversalTime())
{
MostRecentBackup = Status.LastBackup;
}
MostRecentCompleteBackup = Status.LastCompletedBackup;
LastScanRelativePath = Status.LastScanRelativePath;
LastVerifyRelativePath = Status.LastVerifyRelativePath;
MostRecentVerify = Status.LastVerify;
MostRecentCompleteVerify = Status.LastCompletedVerify;
}
}
// Clear out the manifest cache...
lock (ManifestCache)
ManifestCache.Clear();
LoadIssue = false;
}
catch (System.Security.Authentication.InvalidCredentialException) { LoadIssue = true; }
catch (IOException) { LoadIssue = true; }
}
/// <summary>
/// OnNewBackup is similar to Refresh(), but is called whenever a backup run has completed
/// that generated a new backup archive (i.e. files had changed). It is called immediately
/// after the backup run is completed.
/// </summary>
public void OnNewBackup()
{
lock (ArchiveFileList)
using (NetworkConnection newself = new NetworkConnection(CompleteBackupFolder, BackupCredentials))
ArchiveFileList.LoadAll(this);
}
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;
}
}
}