public ResumeBackupOperation(Models.Backup backup, BackupOperationOptions options)
: base(options)
{
Assert.IsNotNull(backup);
Assert.AreEqual(TransferStatus.RUNNING, backup.Status);
Backup = backup;
}
//private string _RootDir;
//public string RootDir
//{
// get
// {
// if (_RootDir == null)
// _RootDir = string.Format("backup-{0}", Plan.Id);
// return _RootDir;
// }
//}
#endregion
#region Constructors
public BackupOperation(BackupOperationOptions options)
{
Options = options;
}
protected async void DoBackup(CustomBackupAgent agent, Models.Backup backup, BackupOperationOptions options)
{
try
{
CurrentState = BackupOperationState.STARTING;
OnStart(agent, backup);
// Mount all network mappings and abort if there is any network mapping failure.
CurrentState = BackupOperationState.MAPPING_NETWORK_DRIVES;
Helper.MountAllNetworkDrives();
// Execute pre-actions
CurrentState = BackupOperationState.EXECUTING_PRE_ACTIONS;
Helper.ExecutePreActions();
//
// Scanning
//
CurrentState = BackupOperationState.SCANNING_FILES;
LinkedList <string> filesToProcess = null;
{
Task <PathScanResults <string> > filesToProcessTask = GetFilesToProcess(backup);
{
var message = string.Format("Scanning files started.");
Info(message);
//StatusInfo.Update(BackupStatusLevel.INFO, message);
OnUpdate(new BackupOperationEvent {
Status = BackupOperationStatus.ScanningFilesStarted, Message = message
});
}
try
{
await filesToProcessTask;
}
catch (Exception ex)
{
if (ex.IsCancellation())
{
string message = string.Format("Scanning files was canceled.");
Report.AddErrorMessage(message);
logger.Warn(message);
}
else
{
string message = string.Format("Caught exception during scanning files: {0}", ex.Message);
Report.AddErrorMessage(message);
logger.Log(LogLevel.Error, ex, message);
}
if (filesToProcessTask.IsFaulted || filesToProcessTask.IsCanceled)
{
if (filesToProcessTask.IsCanceled)
{
OnCancelation(agent, backup, ex); // filesToProcessTask.Exception
}
else
{
OnFailure(agent, backup, ex); // filesToProcessTask.Exception
}
return;
}
}
filesToProcess = filesToProcessTask.Result.Files;
{
foreach (var entry in filesToProcessTask.Result.FailedFiles)
{
Report.AddErrorMessage(entry.Value);
}
if (filesToProcessTask.Result.FailedFiles.Count > 0)
{
StringBuilder sb = new StringBuilder();
sb.AppendLine("Scanning failed for the following drives/files/directories:");
foreach (var entry in filesToProcessTask.Result.FailedFiles)
{
sb.AppendLine(string.Format(" Path: {0} - Reason: {1}", entry.Key, entry.Value));
}
Warn(sb.ToString());
}
var message = string.Format("Scanning files finished.");
Info(message);
//StatusInfo.Update(BackupStatusLevel.INFO, message);
OnUpdate(new BackupOperationEvent {
Status = BackupOperationStatus.ScanningFilesFinished, Message = message
});
}
}
//
// Update synced files
//
CurrentState = BackupOperationState.UPDATING_SYNCED_FILES;
{
Task updateSyncedFilesTask = ExecuteOnBackround(() =>
{
DoUpdateSyncedFiles(backup, filesToProcess);
}, CancellationTokenSource.Token);
{
var message = string.Format("Update of synced files started.");
Info(message);
}
try
{
await updateSyncedFilesTask;
}
catch (Exception ex)
{
if (ex.IsCancellation())
{
string message = string.Format("Update of synced files was canceled.");
Report.AddErrorMessage(message);
logger.Warn(message);
}
else
{
string message = string.Format("Caught exception during update of synced files: {0}", ex.Message);
Report.AddErrorMessage(message);
logger.Log(LogLevel.Error, ex, message);
}
if (updateSyncedFilesTask.IsFaulted || updateSyncedFilesTask.IsCanceled)
{
Versioner.Undo();
if (updateSyncedFilesTask.IsCanceled)
{
OnCancelation(agent, backup, ex); // updateSyncedFilesTask.Exception
}
else
{
OnFailure(agent, backup, ex); // updateSyncedFilesTask.Exception
}
return;
}
}
{
var message = string.Format("Update of synced files finished.");
Info(message);
}
}
//
// Versioning
//
CurrentState = BackupOperationState.VERSIONING_FILES;
{
Task <FileVersionerResults> versionerTask = DoVersionFiles(backup, filesToProcess);
Report.VersionerResults = versionerTask.Result;
{
var message = string.Format("Processing files started.");
Info(message);
//StatusInfo.Update(BackupStatusLevel.INFO, message);
OnUpdate(new BackupOperationEvent {
Status = BackupOperationStatus.ProcessingFilesStarted, Message = message
});
}
try
{
await versionerTask;
}
catch (Exception ex)
{
if (ex.IsCancellation())
{
string message = string.Format("Processing files was canceled.");
Report.AddErrorMessage(message);
logger.Warn(message);
}
else
{
string message = string.Format("Caught exception during processing files: {0}", ex.Message);
Report.AddErrorMessage(message);
logger.Log(LogLevel.Error, ex, message);
}
if (versionerTask.IsFaulted || versionerTask.IsCanceled)
{
Versioner.Undo();
if (versionerTask.IsCanceled)
{
OnCancelation(agent, backup, ex); // versionerTask.Exception
}
else
{
OnFailure(agent, backup, ex); // versionerTask.Exception
}
return;
}
}
agent.Files = Versioner.FilesToTransfer;
{
var message = string.Format("Processing files finished.");
Info(message);
//StatusInfo.Update(BackupStatusLevel.INFO, message);
OnUpdate(new BackupOperationEvent {
Status = BackupOperationStatus.ProcessingFilesFinished, Message = message
});
}
{
agent.Results.Stats.BytesTotal = agent.EstimatedTransferSize;
var message = string.Format("Estimated backup size: {0} files, {1}",
agent.Files.Count(), FileSizeUtils.FileSizeToString(agent.EstimatedTransferSize));
Info(message);
}
}
//
// Transfer files
//
CurrentState = BackupOperationState.TRANSFERRING_FILES;
{
Task <TransferResults> transferTask = agent.Start();
Report.TransferResults = transferTask.Result;
{
var message = string.Format("Transfer files started.");
Info(message);
}
try
{
await transferTask;
}
catch (Exception ex)
{
if (ex.IsCancellation())
{
string message = string.Format("Transfer files was canceled.");
Report.TransferResults.ErrorMessages.Add(message);
logger.Warn(message);
}
else
{
string message = string.Format("Caught exception during transfer files: {0}", ex.Message);
Report.TransferResults.ErrorMessages.Add(message);
logger.Log(LogLevel.Error, ex, message);
}
if (transferTask.IsFaulted || transferTask.IsCanceled)
{
if (transferTask.IsCanceled)
{
OnCancelation(agent, backup, ex); // transferTask.Exception
}
else
{
OnFailure(agent, backup, ex); // transferTask.Exception
}
return;
}
}
{
var message = string.Format("Transfer files finished.");
Info(message);
}
}
CurrentState = BackupOperationState.EXECUTING_POST_ACTIONS;
Helper.ExecutePostActions(Report.TransferResults);
CurrentState = BackupOperationState.FINISHING;
OnFinish(agent, backup);
}
catch (Exception ex)
{
OnFinish(agent, backup, ex);
}
}
public NewBackupOperation(Models.BackupPlan plan, BackupOperationOptions options)
: base(options)
{
Backup = new Models.Backup(plan);
}