/// <summary>
/// Performs the bulk of work by starting all relevant processes
/// </summary>
private static async Task RunMainOperation(Snapshots.ISnapshotService snapshot, Backup.BackupDatabase database, Backup.BackupStatsCollector stats, Options options, IFilter sourcefilter, IFilter filter, BackupResults result, Common.ITaskReader taskreader, long lastfilesetid)
{
using (new Logging.Timer(LOGTAG, "BackupMainOperation", "BackupMainOperation"))
{
// Make sure the CompressionHints table is initialized, otherwise all workers will initialize it
var tb = options.CompressionHints.Count;
Task all;
using (new ChannelScope())
{
all = Task.WhenAll(
new []
{
Backup.DataBlockProcessor.Run(database, options, taskreader),
Backup.FileBlockProcessor.Run(snapshot, options, database, stats, taskreader),
Backup.StreamBlockSplitter.Run(options, database, taskreader),
Backup.FileEnumerationProcess.Run(snapshot, options.FileAttributeFilter, sourcefilter, filter, options.SymlinkPolicy, options.HardlinkPolicy, options.ExcludeEmptyFolders, options.IgnoreFilenames, options.ChangedFilelist, taskreader),
Backup.FilePreFilterProcess.Run(snapshot, options, stats, database),
Backup.MetadataPreProcess.Run(snapshot, options, database, lastfilesetid),
Backup.SpillCollectorProcess.Run(options, database, taskreader),
Backup.ProgressHandler.Run(result)
}
// Spawn additional block hashers
.Union(
Enumerable.Range(0, options.ConcurrencyBlockHashers - 1).Select(x => Backup.StreamBlockSplitter.Run(options, database, taskreader))
)
// Spawn additional compressors
.Union(
Enumerable.Range(0, options.ConcurrencyCompressors - 1).Select(x => Backup.DataBlockProcessor.Run(database, options, taskreader))
)
);
}
await all;
if (options.ChangedFilelist != null && options.ChangedFilelist.Length >= 1)
{
await database.AppendFilesFromPreviousSetAsync(options.DeletedFilelist);
}
result.OperationProgressUpdater.UpdatefileCount(result.ExaminedFiles, result.SizeOfExaminedFiles, true);
}
}
/// <summary>
/// Performs the bulk of work by starting all relevant processes
/// </summary>
private static async Task RunMainOperation(IEnumerable <string> sources, Snapshots.ISnapshotService snapshot, UsnJournalService journalService, Backup.BackupDatabase database, Backup.BackupStatsCollector stats, Options options, IFilter sourcefilter, IFilter filter, BackupResults result, Common.ITaskReader taskreader, long lastfilesetid)
{
using (new Logging.Timer(LOGTAG, "BackupMainOperation", "BackupMainOperation"))
{
// Make sure the CompressionHints table is initialized, otherwise all workers will initialize it
var tb = options.CompressionHints.Count;
Task all;
using (new ChannelScope())
{
all = Task.WhenAll(
new []
{
Backup.DataBlockProcessor.Run(database, options, taskreader),
Backup.FileBlockProcessor.Run(snapshot, options, database, stats, taskreader),
Backup.StreamBlockSplitter.Run(options, database, taskreader),
Backup.FileEnumerationProcess.Run(sources, snapshot, journalService, options.FileAttributeFilter, sourcefilter, filter, options.SymlinkPolicy, options.HardlinkPolicy, options.ExcludeEmptyFolders, options.IgnoreFilenames, options.ChangedFilelist, taskreader),
Backup.FilePreFilterProcess.Run(snapshot, options, stats, database),
Backup.MetadataPreProcess.Run(snapshot, options, database, lastfilesetid),
Backup.SpillCollectorProcess.Run(options, database, taskreader),
Backup.ProgressHandler.Run(result)
}
// Spawn additional block hashers
.Union(
Enumerable.Range(0, options.ConcurrencyBlockHashers - 1).Select(x => Backup.StreamBlockSplitter.Run(options, database, taskreader))
)
// Spawn additional compressors
.Union(
Enumerable.Range(0, options.ConcurrencyCompressors - 1).Select(x => Backup.DataBlockProcessor.Run(database, options, taskreader))
)
);
}
await all.ConfigureAwait(false);
if (options.ChangedFilelist != null && options.ChangedFilelist.Length >= 1)
{
await database.AppendFilesFromPreviousSetAsync(options.DeletedFilelist);
}
else if (journalService != null)
{
// append files from previous fileset, unless part of modifiedSources, which we've just scanned
await database.AppendFilesFromPreviousSetWithPredicateAsync((path, fileSize) =>
{
if (journalService.IsPathEnumerated(path))
{
return(true);
}
if (fileSize >= 0)
{
stats.AddExaminedFile(fileSize);
}
return(false);
});
// store journal data in database
var data = journalService.VolumeDataList.Where(p => p.JournalData != null).Select(p => p.JournalData).ToList();
if (data.Any())
{
// always record change journal data for current fileset (entry may be dropped later if nothing is uploaded)
await database.CreateChangeJournalDataAsync(data);
// update the previous fileset's change journal entry to resume at this point in case nothing was backed up
await database.UpdateChangeJournalDataAsync(data, lastfilesetid);
}
}
result.OperationProgressUpdater.UpdatefileCount(result.ExaminedFiles, result.SizeOfExaminedFiles, true);
}
}
public static Task Run(BackupDatabase database, Options options, BackupResults result, ITaskReader taskreader, string lasttempfilelist, long lasttempfileid)
{
return(AutomationExtensions.RunTask(new
{
UploadChannel = Channels.BackendRequest.ForWrite
},
async self =>
{
// Check if we should upload a synthetic filelist
if (options.DisableSyntheticFilelist || string.IsNullOrWhiteSpace(lasttempfilelist) || lasttempfileid < 0)
{
return;
}
// Check that we still need to process this after the cleanup has performed its duties
var syntbase = await database.GetRemoteVolumeFromIDAsync(lasttempfileid);
// If we do not have a valid entry, warn and quit
if (syntbase.Name == null || syntbase.State != RemoteVolumeState.Uploaded)
{
// TODO: If the repair succeeds, this could give a false warning?
Logging.Log.WriteWarningMessage(LOGTAG, "MissingTemporaryFilelist", null, "Expected there to be a temporary fileset for synthetic filelist ({0}, {1}), but none was found?", lasttempfileid, lasttempfilelist);
return;
}
// Files is missing or repaired
if (syntbase.Name == null || (syntbase.State != RemoteVolumeState.Uploading && syntbase.State != RemoteVolumeState.Temporary))
{
Logging.Log.WriteInformationMessage(LOGTAG, "SkippingSyntheticListUpload", "Skipping synthetic upload because temporary fileset appers to be complete: ({0}, {1}, {2})", lasttempfileid, lasttempfilelist, syntbase.State);
return;
}
// Ready to build and upload the synthetic list
await database.CommitTransactionAsync("PreSyntheticFilelist");
var incompleteFilesets = (await database.GetIncompleteFilesetsAsync()).OrderBy(x => x.Value).ToList();
result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_PreviousBackupFinalize);
Logging.Log.WriteInformationMessage(LOGTAG, "PreviousBackupFilelistUpload", "Uploading filelist from previous interrupted backup");
if (!await taskreader.ProgressAsync)
{
return;
}
var incompleteSet = incompleteFilesets.Last();
var badIds = from n in incompleteFilesets select n.Key;
var prevs = (from n in await database.GetFilesetTimesAsync()
where
n.Key < incompleteSet.Key
&&
!badIds.Contains(n.Key)
orderby n.Key
select n.Key).ToArray();
var prevId = prevs.Length == 0 ? -1 : prevs.Last();
FilesetVolumeWriter fsw = null;
try
{
var s = 1;
var fileTime = incompleteSet.Value + TimeSpan.FromSeconds(s);
var oldFilesetID = incompleteSet.Key;
// Probe for an unused filename
while (s < 60)
{
var id = await database.GetRemoteVolumeIDAsync(VolumeBase.GenerateFilename(RemoteVolumeType.Files, options, null, fileTime));
if (id < 0)
{
break;
}
fileTime = incompleteSet.Value + TimeSpan.FromSeconds(++s);
}
fsw = new FilesetVolumeWriter(options, fileTime);
fsw.VolumeID = await database.RegisterRemoteVolumeAsync(fsw.RemoteFilename, RemoteVolumeType.Files, RemoteVolumeState.Temporary);
if (!string.IsNullOrEmpty(options.ControlFiles))
{
foreach (var p in options.ControlFiles.Split(new char[] { System.IO.Path.PathSeparator }, StringSplitOptions.RemoveEmptyEntries))
{
fsw.AddControlFile(p, options.GetCompressionHintFromFilename(p));
}
}
var newFilesetID = await database.CreateFilesetAsync(fsw.VolumeID, fileTime);
await database.LinkFilesetToVolumeAsync(newFilesetID, fsw.VolumeID);
await database.AppendFilesFromPreviousSetAsync(null, newFilesetID, prevId, fileTime);
await database.WriteFilesetAsync(fsw, newFilesetID);
if (!await taskreader.ProgressAsync)
{
return;
}
await database.UpdateRemoteVolumeAsync(fsw.RemoteFilename, RemoteVolumeState.Uploading, -1, null);
await database.CommitTransactionAsync("CommitUpdateFilelistVolume");
await self.UploadChannel.WriteAsync(new FilesetUploadRequest(fsw));
fsw = null;
}
catch
{
await database.RollbackTransactionAsync();
throw;
}
finally
{
if (fsw != null)
{
try { fsw.Dispose(); }
catch { fsw = null; }
}
}
}
));
}