public void RunRepairRemote()
{
if (!System.IO.File.Exists(m_options.Dbpath))
throw new Exception(string.Format("Database file does not exist: {0}", m_options.Dbpath));
m_result.OperationProgressUpdater.UpdateProgress(0);
using(var db = new LocalRepairDatabase(m_options.Dbpath))
using(var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, db))
{
m_result.SetDatabase(db);
Utility.VerifyParameters(db, m_options);
var tp = FilelistProcessor.RemoteListAnalysis(backend, m_options, db, m_result.BackendWriter);
var buffer = new byte[m_options.Blocksize];
var blockhasher = System.Security.Cryptography.HashAlgorithm.Create(m_options.BlockHashAlgorithm);
var hashsize = blockhasher.HashSize / 8;
if (blockhasher == null)
throw new Exception(string.Format(Strings.Foresthash.InvalidHashAlgorithm, m_options.BlockHashAlgorithm));
if (!blockhasher.CanReuseTransform)
throw new Exception(string.Format(Strings.Foresthash.InvalidCryptoSystem, m_options.BlockHashAlgorithm));
var progress = 0;
var targetProgess = tp.ExtraVolumes.Count() + tp.MissingVolumes.Count() + tp.VerificationRequiredVolumes.Count();
if (tp.ExtraVolumes.Count() > 0 || tp.MissingVolumes.Count() > 0 || tp.VerificationRequiredVolumes.Count() > 0)
{
if (m_options.Dryrun)
{
if (!tp.BackupPrefixes.Contains(m_options.Prefix) && tp.ParsedVolumes.Count() > 0)
{
if (tp.BackupPrefixes.Length == 1)
throw new Exception(string.Format("Found no backup files with prefix {0}, but files with prefix {1}, did you forget to set the backup-prefix?", m_options.Prefix, tp.BackupPrefixes[0]));
else
throw new Exception(string.Format("Found no backup files with prefix {0}, but files with prefixes {1}, did you forget to set the backup-prefix?", m_options.Prefix, string.Join(", ", tp.BackupPrefixes)));
}
else if (tp.ParsedVolumes.Count() == 0 && tp.ExtraVolumes.Count() > 0)
{
throw new Exception(string.Format("No files were missing, but {0} remote files were, found, did you mean to run recreate-database?", tp.ExtraVolumes.Count()));
}
}
if (tp.VerificationRequiredVolumes.Any())
{
using(var testdb = new LocalTestDatabase(db))
{
foreach(var n in tp.VerificationRequiredVolumes)
try
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(db, null);
return;
}
progress++;
m_result.OperationProgressUpdater.UpdateProgress((float)progress / targetProgess);
long size;
string hash;
KeyValuePair<string, IEnumerable<KeyValuePair<Duplicati.Library.Interface.TestEntryStatus, string>>> res;
using (var tf = backend.GetWithInfo(n.Name, out size, out hash))
res = TestHandler.TestVolumeInternals(testdb, n, tf, m_options, m_result, 1);
if (res.Value.Any())
throw new Exception(string.Format("Remote verification failure: {0}", res.Value.First()));
if (!m_options.Dryrun)
{
m_result.AddMessage(string.Format("Sucessfully captured hash for {0}, updating database", n.Name));
db.UpdateRemoteVolume(n.Name, RemoteVolumeState.Verified, size, hash);
}
}
catch (Exception ex)
{
m_result.AddError(string.Format("Failed to perform verification for file: {0}, please run verify; message: {1}", n.Name, ex.Message), ex);
if (ex is System.Threading.ThreadAbortException)
throw;
}
}
}
// TODO: It is actually possible to use the extra files if we parse them
foreach(var n in tp.ExtraVolumes)
try
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(db, null);
return;
}
progress++;
m_result.OperationProgressUpdater.UpdateProgress((float)progress / targetProgess);
if (!m_options.Dryrun)
{
db.RegisterRemoteVolume(n.File.Name, n.FileType, RemoteVolumeState.Deleting);
backend.Delete(n.File.Name, n.File.Size);
}
else
m_result.AddDryrunMessage(string.Format("would delete file {0}", n.File.Name));
}
catch (Exception ex)
{
m_result.AddError(string.Format("Failed to perform cleanup for extra file: {0}, message: {1}", n.File.Name, ex.Message), ex);
if (ex is System.Threading.ThreadAbortException)
throw;
}
foreach(var n in tp.MissingVolumes)
{
IDisposable newEntry = null;
try
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(db, null);
return;
}
progress++;
m_result.OperationProgressUpdater.UpdateProgress((float)progress / targetProgess);
if (n.Type == RemoteVolumeType.Files)
{
var filesetId = db.GetFilesetIdFromRemotename(n.Name);
var w = new FilesetVolumeWriter(m_options, DateTime.UtcNow);
newEntry = w;
w.SetRemoteFilename(n.Name);
db.WriteFileset(w, null, filesetId);
w.Close();
if (m_options.Dryrun)
m_result.AddDryrunMessage(string.Format("would re-upload fileset {0}, with size {1}, previous size {2}", n.Name, Library.Utility.Utility.FormatSizeString(new System.IO.FileInfo(w.LocalFilename).Length), Library.Utility.Utility.FormatSizeString(n.Size)));
else
{
db.UpdateRemoteVolume(w.RemoteFilename, RemoteVolumeState.Uploading, -1, null, null);
backend.Put(w);
}
}
else if (n.Type == RemoteVolumeType.Index)
{
var w = new IndexVolumeWriter(m_options);
newEntry = w;
w.SetRemoteFilename(n.Name);
foreach(var blockvolume in db.GetBlockVolumesFromIndexName(n.Name))
{
w.StartVolume(blockvolume.Name);
var volumeid = db.GetRemoteVolumeID(blockvolume.Name);
foreach(var b in db.GetBlocks(volumeid))
w.AddBlock(b.Hash, b.Size);
w.FinishVolume(blockvolume.Hash, blockvolume.Size);
if (m_options.IndexfilePolicy == Options.IndexFileStrategy.Full)
foreach(var b in db.GetBlocklists(volumeid, m_options.Blocksize, hashsize))
w.WriteBlocklist(b.Item1, b.Item2, 0, b.Item3);
}
w.Close();
if (m_options.Dryrun)
m_result.AddDryrunMessage(string.Format("would re-upload index file {0}, with size {1}, previous size {2}", n.Name, Library.Utility.Utility.FormatSizeString(new System.IO.FileInfo(w.LocalFilename).Length), Library.Utility.Utility.FormatSizeString(n.Size)));
else
{
db.UpdateRemoteVolume(w.RemoteFilename, RemoteVolumeState.Uploading, -1, null, null);
backend.Put(w);
}
}
else if (n.Type == RemoteVolumeType.Blocks)
{
var w = new BlockVolumeWriter(m_options);
newEntry = w;
w.SetRemoteFilename(n.Name);
using(var mbl = db.CreateBlockList(n.Name))
{
//First we grab all known blocks from local files
foreach(var block in mbl.GetSourceFilesWithBlocks(m_options.Blocksize))
{
var hash = block.Hash;
var size = (int)block.Size;
foreach(var source in block.Sources)
{
var file = source.File;
var offset = source.Offset;
try
{
if (System.IO.File.Exists(file))
using(var f = System.IO.File.OpenRead(file))
{
f.Position = offset;
if (size == Library.Utility.Utility.ForceStreamRead(f, buffer, size))
{
var newhash = Convert.ToBase64String(blockhasher.ComputeHash(buffer, 0, size));
if (newhash == hash)
{
if (mbl.SetBlockRestored(hash, size))
w.AddBlock(hash, buffer, 0, size, Duplicati.Library.Interface.CompressionHint.Default);
break;
}
}
}
}
catch (Exception ex)
{
m_result.AddError(string.Format("Failed to access file: {0}", file), ex);
}
}
}
//Then we grab all remote volumes that have the missing blocks
foreach(var vol in new AsyncDownloader(mbl.GetMissingBlockSources().ToList(), backend))
{
try
{
using(var tmpfile = vol.TempFile)
using(var f = new BlockVolumeReader(RestoreHandler.GetCompressionModule(vol.Name), tmpfile, m_options))
foreach(var b in f.Blocks)
if (mbl.SetBlockRestored(b.Key, b.Value))
if (f.ReadBlock(b.Key, buffer) == b.Value)
w.AddBlock(b.Key, buffer, 0, (int)b.Value, Duplicati.Library.Interface.CompressionHint.Default);
}
catch (Exception ex)
{
m_result.AddError(string.Format("Failed to access remote file: {0}", vol.Name), ex);
}
}
// If we managed to recover all blocks, NICE!
var missingBlocks = mbl.GetMissingBlocks().Count();
if (missingBlocks > 0)
{
//TODO: How do we handle this situation?
m_result.AddMessage(string.Format("Repair cannot acquire {0} required blocks for volume {1}, which are required by the following filesets: ", missingBlocks, n.Name));
foreach(var f in mbl.GetFilesetsUsingMissingBlocks())
m_result.AddMessage(f.Name);
if (!m_options.Dryrun)
{
m_result.AddMessage("This may be fixed by deleting the filesets and running repair again");
throw new Exception(string.Format("Repair not possible, missing {0} blocks!!!", missingBlocks));
}
}
else
{
if (m_options.Dryrun)
m_result.AddDryrunMessage(string.Format("would re-upload block file {0}, with size {1}, previous size {2}", n.Name, Library.Utility.Utility.FormatSizeString(new System.IO.FileInfo(w.LocalFilename).Length), Library.Utility.Utility.FormatSizeString(n.Size)));
else
{
db.UpdateRemoteVolume(w.RemoteFilename, RemoteVolumeState.Uploading, -1, null, null);
backend.Put(w);
}
}
}
}
}
catch (Exception ex)
{
if (newEntry != null)
try { newEntry.Dispose(); }
catch { }
finally { newEntry = null; }
m_result.AddError(string.Format("Failed to perform cleanup for missing file: {0}, message: {1}", n.Name, ex.Message), ex);
if (ex is System.Threading.ThreadAbortException)
throw;
}
}
}
else
{
m_result.AddMessage("Destination and database are synchronized, not making any changes");
}
m_result.OperationProgressUpdater.UpdateProgress(1);
backend.WaitForComplete(db, null);
db.WriteResults();
}
}
public void Run(string[] sources, Library.Utility.IFilter filter)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_Begin);
using(m_database = new LocalBackupDatabase(m_options.Dbpath, m_options))
{
m_result.SetDatabase(m_database);
m_result.Dryrun = m_options.Dryrun;
Utility.VerifyParameters(m_database, m_options);
m_database.VerifyConsistency(null);
// If there is no filter, we set an empty filter to simplify the code
// If there is a filter, we make sure that the sources are included
m_filter = filter ?? new Library.Utility.FilterExpression();
m_sourceFilter = new Library.Utility.FilterExpression(sources, true);
var lastVolumeSize = -1L;
m_backendLogFlushTimer = DateTime.Now.Add(FLUSH_TIMESPAN);
System.Threading.Thread parallelScanner = null;
try
{
m_snapshot = GetSnapshot(sources, m_options, m_result);
// Start parallel scan
if (m_options.ChangedFilelist == null || m_options.ChangedFilelist.Length < 1)
{
parallelScanner = new System.Threading.Thread(CountFilesThread) {
Name = "Read ahead file counter",
IsBackground = true
};
parallelScanner.Start();
}
using(m_backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, m_database))
using(m_filesetvolume = new FilesetVolumeWriter(m_options, m_database.OperationTimestamp))
{
var incompleteFilesets = m_database.GetIncompleteFilesets(null).OrderBy(x => x.Value).ToArray();
if (incompleteFilesets.Length != 0)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_PreviousBackupFinalize);
m_result.AddMessage(string.Format("Uploading filelist from previous interrupted backup"));
using(var trn = m_database.BeginTransaction())
{
var incompleteSet = incompleteFilesets.Last();
var badIds = from n in incompleteFilesets select n.Key;
var prevs = (from n in m_database.FilesetTimes
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 = m_database.GetRemoteVolumeID(VolumeBase.GenerateFilename(RemoteVolumeType.Files, m_options, null, fileTime));
if (id < 0)
break;
fileTime = incompleteSet.Value + TimeSpan.FromSeconds(++s);
}
fsw = new FilesetVolumeWriter(m_options, fileTime);
fsw.VolumeID = m_database.RegisterRemoteVolume(fsw.RemoteFilename, RemoteVolumeType.Files, RemoteVolumeState.Temporary, m_transaction);
var newFilesetID = m_database.CreateFileset(fsw.VolumeID, fileTime, trn);
m_database.LinkFilesetToVolume(newFilesetID, fsw.VolumeID, trn);
m_database.AppendFilesFromPreviousSet(trn, null, newFilesetID, prevId, fileTime);
m_database.WriteFileset(fsw, trn, newFilesetID);
if (m_options.Dryrun)
{
m_result.AddDryrunMessage(string.Format("Would upload fileset: {0}, size: {1}", fsw.RemoteFilename, Library.Utility.Utility.FormatSizeString(new FileInfo(fsw.LocalFilename).Length)));
}
else
{
m_database.UpdateRemoteVolume(fsw.RemoteFilename, RemoteVolumeState.Uploading, -1, null, trn);
using(new Logging.Timer("CommitUpdateFilelistVolume"))
trn.Commit();
m_backend.Put(fsw);
fsw = null;
}
}
finally
{
if (fsw != null)
try { fsw.Dispose(); }
catch { fsw = null; }
}
}
}
if (!m_options.NoBackendverification)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_PreBackupVerify);
using(new Logging.Timer("PreBackupVerify"))
{
try
{
FilelistProcessor.VerifyRemoteList(m_backend, m_options, m_database, m_result.BackendWriter);
}
catch (Exception ex)
{
if (m_options.AutoCleanup)
{
m_result.AddWarning("Backend verification failed, attempting automatic cleanup", ex);
m_result.RepairResults = new RepairResults(m_result);
new RepairHandler(m_backend.BackendUrl, m_options, (RepairResults)m_result.RepairResults).Run();
m_result.AddMessage("Backend cleanup finished, retrying verification");
FilelistProcessor.VerifyRemoteList(m_backend, m_options, m_database, m_result.BackendWriter);
}
else
throw;
}
}
}
m_database.BuildLookupTable(m_options);
m_transaction = m_database.BeginTransaction();
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_ProcessingFiles);
var filesetvolumeid = m_database.RegisterRemoteVolume(m_filesetvolume.RemoteFilename, RemoteVolumeType.Files, RemoteVolumeState.Temporary, m_transaction);
m_database.CreateFileset(filesetvolumeid, VolumeBase.ParseFilename(m_filesetvolume.RemoteFilename).Time, m_transaction);
m_blockvolume = new BlockVolumeWriter(m_options);
m_blockvolume.VolumeID = m_database.RegisterRemoteVolume(m_blockvolume.RemoteFilename, RemoteVolumeType.Blocks, RemoteVolumeState.Temporary, m_transaction);
if (m_options.IndexfilePolicy != Options.IndexFileStrategy.None)
{
m_indexvolume = new IndexVolumeWriter(m_options);
m_indexvolume.VolumeID = m_database.RegisterRemoteVolume(m_indexvolume.RemoteFilename, RemoteVolumeType.Index, RemoteVolumeState.Temporary, m_transaction);
}
var filterhandler = new FilterHandler(m_snapshot, m_attributeFilter, m_sourceFilter, m_filter, m_symlinkPolicy, m_options.HardlinkPolicy, m_result);
using(new Logging.Timer("BackupMainOperation"))
{
if (m_options.ChangedFilelist != null && m_options.ChangedFilelist.Length >= 1)
{
m_result.AddVerboseMessage("Processing supplied change list instead of enumerating filesystem");
m_result.OperationProgressUpdater.UpdatefileCount(m_options.ChangedFilelist.Length, 0, true);
foreach(var p in m_options.ChangedFilelist)
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
m_result.AddMessage("Stopping backup operation on request");
break;
}
FileAttributes fa = new FileAttributes();
try
{
fa = m_snapshot.GetAttributes(p);
}
catch (Exception ex)
{
m_result.AddWarning(string.Format("Failed to read attributes: {0}, message: {1}", p, ex.Message), ex);
}
if (filterhandler.AttributeFilter(null, p, fa))
{
try
{
this.HandleFilesystemEntry(p, fa);
}
catch (Exception ex)
{
m_result.AddWarning(string.Format("Failed to process element: {0}, message: {1}", p, ex.Message), ex);
}
}
}
m_database.AppendFilesFromPreviousSet(m_transaction, m_options.DeletedFilelist);
}
else
{
foreach(var path in m_snapshot.EnumerateFilesAndFolders(filterhandler.AttributeFilter))
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
m_result.AddMessage("Stopping backup operation on request");
break;
}
this.HandleFilesystemEntry(path, m_snapshot.GetAttributes(path));
}
}
//If the scanner is still running for some reason, make sure we kill it now
if (parallelScanner != null && parallelScanner.IsAlive)
parallelScanner.Abort();
// We no longer need to snapshot active
try { m_snapshot.Dispose(); }
finally { m_snapshot = null; }
m_result.OperationProgressUpdater.UpdatefileCount(m_result.ExaminedFiles, m_result.SizeOfExaminedFiles, true);
}
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_Finalize);
using(new Logging.Timer("FinalizeRemoteVolumes"))
{
if (m_blockvolume.SourceSize > 0)
{
lastVolumeSize = m_blockvolume.SourceSize;
if (m_options.Dryrun)
{
m_result.AddDryrunMessage(string.Format("Would upload block volume: {0}, size: {1}", m_blockvolume.RemoteFilename, Library.Utility.Utility.FormatSizeString(new FileInfo(m_blockvolume.LocalFilename).Length)));
if (m_indexvolume != null)
{
m_blockvolume.Close();
UpdateIndexVolume();
m_indexvolume.FinishVolume(Library.Utility.Utility.CalculateHash(m_blockvolume.LocalFilename), new FileInfo(m_blockvolume.LocalFilename).Length);
m_result.AddDryrunMessage(string.Format("Would upload index volume: {0}, size: {1}", m_indexvolume.RemoteFilename, Library.Utility.Utility.FormatSizeString(new FileInfo(m_indexvolume.LocalFilename).Length)));
}
m_blockvolume.Dispose();
m_blockvolume = null;
m_indexvolume.Dispose();
m_indexvolume = null;
}
else
{
m_database.UpdateRemoteVolume(m_blockvolume.RemoteFilename, RemoteVolumeState.Uploading, -1, null, m_transaction);
m_blockvolume.Close();
UpdateIndexVolume();
using(new Logging.Timer("CommitUpdateRemoteVolume"))
m_transaction.Commit();
m_transaction = m_database.BeginTransaction();
m_backend.Put(m_blockvolume, m_indexvolume);
m_blockvolume = null;
m_indexvolume = null;
}
}
else
{
m_database.RemoveRemoteVolume(m_blockvolume.RemoteFilename, m_transaction);
if (m_indexvolume != null)
m_database.RemoveRemoteVolume(m_indexvolume.RemoteFilename, m_transaction);
}
}
using(new Logging.Timer("UpdateChangeStatistics"))
m_database.UpdateChangeStatistics(m_result);
using(new Logging.Timer("VerifyConsistency"))
m_database.VerifyConsistency(m_transaction);
var changeCount =
m_result.AddedFiles + m_result.ModifiedFiles + m_result.DeletedFiles +
m_result.AddedFolders + m_result.ModifiedFolders + m_result.DeletedFolders +
m_result.AddedSymlinks + m_result.ModifiedSymlinks + m_result.DeletedSymlinks;
//Changes in the filelist triggers a filelist upload
if (m_options.UploadUnchangedBackups || changeCount > 0)
{
using(new Logging.Timer("Uploading a new fileset"))
{
if (!string.IsNullOrEmpty(m_options.ControlFiles))
foreach(var p in m_options.ControlFiles.Split(new char[] { System.IO.Path.PathSeparator }, StringSplitOptions.RemoveEmptyEntries))
m_filesetvolume.AddControlFile(p, m_options.GetCompressionHintFromFilename(p));
m_database.WriteFileset(m_filesetvolume, m_transaction);
m_filesetvolume.Close();
if (m_options.Dryrun)
m_result.AddDryrunMessage(string.Format("Would upload fileset volume: {0}, size: {1}", m_filesetvolume.RemoteFilename, Library.Utility.Utility.FormatSizeString(new FileInfo(m_filesetvolume.LocalFilename).Length)));
else
{
m_database.UpdateRemoteVolume(m_filesetvolume.RemoteFilename, RemoteVolumeState.Uploading, -1, null, m_transaction);
using(new Logging.Timer("CommitUpdateRemoteVolume"))
m_transaction.Commit();
m_transaction = m_database.BeginTransaction();
m_backend.Put(m_filesetvolume);
}
}
}
else
{
m_result.AddVerboseMessage("removing temp files, as no data needs to be uploaded");
m_database.RemoveRemoteVolume(m_filesetvolume.RemoteFilename, m_transaction);
}
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_WaitForUpload);
using(new Logging.Timer("Async backend wait"))
m_backend.WaitForComplete(m_database, m_transaction);
if (m_result.TaskControlRendevouz() != TaskControlState.Stop)
{
if (m_options.KeepTime.Ticks > 0 || m_options.KeepVersions != 0)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_Delete);
m_result.DeleteResults = new DeleteResults(m_result);
using(var db = new LocalDeleteDatabase(m_database))
new DeleteHandler(m_backend.BackendUrl, m_options, (DeleteResults)m_result.DeleteResults).DoRun(db, m_transaction, true, lastVolumeSize <= m_options.SmallFileSize);
}
else if (lastVolumeSize <= m_options.SmallFileSize && !m_options.NoAutoCompact)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_Compact);
m_result.CompactResults = new CompactResults(m_result);
using(var db = new LocalDeleteDatabase(m_database))
new CompactHandler(m_backend.BackendUrl, m_options, (CompactResults)m_result.CompactResults).DoCompact(db, true, m_transaction);
}
}
if (m_options.UploadVerificationFile)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_VerificationUpload);
FilelistProcessor.UploadVerificationFile(m_backend.BackendUrl, m_options, m_result.BackendWriter, m_database, m_transaction);
}
if (m_options.Dryrun)
{
m_transaction.Rollback();
m_transaction = null;
}
else
{
using(new Logging.Timer("CommitFinalizingBackup"))
m_transaction.Commit();
m_transaction = null;
m_database.Vacuum();
if (m_result.TaskControlRendevouz() != TaskControlState.Stop && !m_options.NoBackendverification)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_PostBackupVerify);
using(var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, m_database))
{
using(new Logging.Timer("AfterBackupVerify"))
FilelistProcessor.VerifyRemoteList(backend, m_options, m_database, m_result.BackendWriter);
backend.WaitForComplete(m_database, null);
}
if (m_options.BackupTestSampleCount > 0 && m_database.GetRemoteVolumes().Count() > 0)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_PostBackupTest);
m_result.TestResults = new TestResults(m_result);
using(var testdb = new LocalTestDatabase(m_database))
using(var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, testdb))
new TestHandler(m_backendurl, m_options, new TestResults(m_result))
.DoRun(m_options.BackupTestSampleCount, testdb, backend);
}
}
}
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_Complete);
m_database.WriteResults();
return;
}
}
catch (Exception ex)
{
m_result.AddError("Fatal error", ex);
throw;
}
finally
{
if (parallelScanner != null && parallelScanner.IsAlive)
{
parallelScanner.Abort();
parallelScanner.Join(500);
if (parallelScanner.IsAlive)
m_result.AddWarning("Failed to terminate filecounter thread", null);
}
if (m_snapshot != null)
try { m_snapshot.Dispose(); }
catch (Exception ex) { m_result.AddError(string.Format("Failed to dispose snapshot"), ex); }
finally { m_snapshot = null; }
if (m_transaction != null)
try { m_transaction.Rollback(); }
catch (Exception ex) { m_result.AddError(string.Format("Rollback error: {0}", ex.Message), ex); }
}
}
}
public void Run(string[] sources, Library.Utility.IFilter filter)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_Begin);
using(m_database = new LocalBackupDatabase(m_options.Dbpath, m_options))
{
m_result.SetDatabase(m_database);
m_result.Dryrun = m_options.Dryrun;
Utility.UpdateOptionsFromDb(m_database, m_options);
Utility.VerifyParameters(m_database, m_options);
if (m_database.RepairInProgress)
throw new Exception("The database was attempted repaired, but the repair did not complete. This database may be incomplete and the backup process cannot continue. You may delete the local database and attempt to repair it again.");
m_blocksize = m_options.Blocksize;
m_blockbuffer = new byte[m_options.Blocksize * Math.Max(1, m_options.FileReadBufferSize / m_options.Blocksize)];
m_blocklistbuffer = new byte[m_options.Blocksize];
m_blockhasher = System.Security.Cryptography.HashAlgorithm.Create(m_options.BlockHashAlgorithm);
m_filehasher = System.Security.Cryptography.HashAlgorithm.Create(m_options.FileHashAlgorithm);
if (m_blockhasher == null)
throw new Exception(Strings.Common.InvalidHashAlgorithm(m_options.BlockHashAlgorithm));
if (m_filehasher == null)
throw new Exception(Strings.Common.InvalidHashAlgorithm(m_options.FileHashAlgorithm));
if (!m_blockhasher.CanReuseTransform)
throw new Exception(Strings.Common.InvalidCryptoSystem(m_options.BlockHashAlgorithm));
if (!m_filehasher.CanReuseTransform)
throw new Exception(Strings.Common.InvalidCryptoSystem(m_options.FileHashAlgorithm));
m_database.VerifyConsistency(null, m_options.Blocksize, m_options.BlockhashSize);
// If there is no filter, we set an empty filter to simplify the code
// If there is a filter, we make sure that the sources are included
m_filter = filter ?? new Library.Utility.FilterExpression();
m_sourceFilter = new Library.Utility.FilterExpression(sources, true);
m_backendLogFlushTimer = DateTime.Now.Add(FLUSH_TIMESPAN);
System.Threading.Thread parallelScanner = null;
try
{
using(var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, m_database))
using(var filesetvolume = new FilesetVolumeWriter(m_options, m_database.OperationTimestamp))
{
using(var snapshot = GetSnapshot(sources, m_options, m_result))
{
// Start parallel scan
if (m_options.ChangedFilelist == null || m_options.ChangedFilelist.Length < 1)
{
parallelScanner = new System.Threading.Thread(CountFilesThread) {
Name = "Read ahead file counter",
IsBackground = true
};
parallelScanner.Start(snapshot);
}
PreBackupVerify(backend);
// Verify before uploading a synthetic list
m_database.VerifyConsistency(null, m_options.Blocksize, m_options.BlockhashSize);
UploadSyntheticFilelist(backend);
m_database.BuildLookupTable(m_options);
m_transaction = m_database.BeginTransaction();
var repcnt = 0;
while(repcnt < 100 && m_database.GetRemoteVolumeID(filesetvolume.RemoteFilename) >= 0)
filesetvolume.ResetRemoteFilename(m_options, m_database.OperationTimestamp.AddSeconds(repcnt++));
if (m_database.GetRemoteVolumeID(filesetvolume.RemoteFilename) >= 0)
throw new Exception("Unable to generate a unique fileset name");
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_ProcessingFiles);
var filesetvolumeid = m_database.RegisterRemoteVolume(filesetvolume.RemoteFilename, RemoteVolumeType.Files, RemoteVolumeState.Temporary, m_transaction);
m_database.CreateFileset(filesetvolumeid, VolumeBase.ParseFilename(filesetvolume.RemoteFilename).Time, m_transaction);
RunMainOperation(snapshot, backend);
//If the scanner is still running for some reason, make sure we kill it now
if (parallelScanner != null && parallelScanner.IsAlive)
parallelScanner.Abort();
}
var lastVolumeSize = FinalizeRemoteVolumes(backend);
using(new Logging.Timer("UpdateChangeStatistics"))
m_database.UpdateChangeStatistics(m_result);
using(new Logging.Timer("VerifyConsistency"))
m_database.VerifyConsistency(m_transaction, m_options.Blocksize, m_options.BlockhashSize);
UploadRealFileList(backend, filesetvolume);
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_WaitForUpload);
using(new Logging.Timer("Async backend wait"))
backend.WaitForComplete(m_database, m_transaction);
if (m_result.TaskControlRendevouz() != TaskControlState.Stop)
CompactIfRequired(backend, lastVolumeSize);
if (m_options.UploadVerificationFile)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_VerificationUpload);
FilelistProcessor.UploadVerificationFile(backend.BackendUrl, m_options, m_result.BackendWriter, m_database, m_transaction);
}
if (m_options.Dryrun)
{
m_transaction.Rollback();
m_transaction = null;
}
else
{
using(new Logging.Timer("CommitFinalizingBackup"))
m_transaction.Commit();
m_transaction = null;
m_database.Vacuum();
if (m_result.TaskControlRendevouz() != TaskControlState.Stop && !m_options.NoBackendverification)
{
PostBackupVerification();
}
}
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_Complete);
m_database.WriteResults();
m_database.PurgeLogData(m_options.LogRetention);
return;
}
}
catch (Exception ex)
{
m_result.AddError("Fatal error", ex);
throw;
}
finally
{
if (parallelScanner != null && parallelScanner.IsAlive)
{
parallelScanner.Abort();
parallelScanner.Join(500);
if (parallelScanner.IsAlive)
m_result.AddWarning("Failed to terminate filecounter thread", null);
}
if (m_transaction != null)
try { m_transaction.Rollback(); }
catch (Exception ex) { m_result.AddError(string.Format("Rollback error: {0}", ex.Message), ex); }
}
}
}
private void UploadSyntheticFilelist()
{
var incompleteFilesets = m_database.GetIncompleteFilesets(null).OrderBy(x => x.Value).ToArray();
if (incompleteFilesets.Length != 0)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_PreviousBackupFinalize);
m_result.AddMessage(string.Format("Uploading filelist from previous interrupted backup"));
using(var trn = m_database.BeginTransaction())
{
var incompleteSet = incompleteFilesets.Last();
var badIds = from n in incompleteFilesets select n.Key;
var prevs = (from n in m_database.FilesetTimes
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 = m_database.GetRemoteVolumeID(VolumeBase.GenerateFilename(RemoteVolumeType.Files, m_options, null, fileTime));
if (id < 0)
break;
fileTime = incompleteSet.Value + TimeSpan.FromSeconds(++s);
}
fsw = new FilesetVolumeWriter(m_options, fileTime);
fsw.VolumeID = m_database.RegisterRemoteVolume(fsw.RemoteFilename, RemoteVolumeType.Files, RemoteVolumeState.Temporary, m_transaction);
if (!string.IsNullOrEmpty(m_options.ControlFiles))
foreach(var p in m_options.ControlFiles.Split(new char[] { System.IO.Path.PathSeparator }, StringSplitOptions.RemoveEmptyEntries))
m_filesetvolume.AddControlFile(p, m_options.GetCompressionHintFromFilename(p));
var newFilesetID = m_database.CreateFileset(fsw.VolumeID, fileTime, trn);
m_database.LinkFilesetToVolume(newFilesetID, fsw.VolumeID, trn);
m_database.AppendFilesFromPreviousSet(trn, null, newFilesetID, prevId, fileTime);
m_database.WriteFileset(fsw, trn, newFilesetID);
if (m_options.Dryrun)
{
m_result.AddDryrunMessage(string.Format("Would upload fileset: {0}, size: {1}", fsw.RemoteFilename, Library.Utility.Utility.FormatSizeString(new FileInfo(fsw.LocalFilename).Length)));
}
else
{
m_database.UpdateRemoteVolume(fsw.RemoteFilename, RemoteVolumeState.Uploading, -1, null, trn);
using(new Logging.Timer("CommitUpdateFilelistVolume"))
trn.Commit();
m_backend.Put(fsw);
fsw = null;
}
}
finally
{
if (fsw != null)
try { fsw.Dispose(); }
catch { fsw = null; }
}
}
}
if (m_options.IndexfilePolicy != Options.IndexFileStrategy.None)
{
var blockhasher = System.Security.Cryptography.HashAlgorithm.Create(m_options.BlockHashAlgorithm);
var hashsize = blockhasher.HashSize / 8;
foreach(var blockfile in m_database.GetMissingIndexFiles())
{
m_result.AddMessage(string.Format("Re-creating missing index file for {0}", blockfile));
var w = new IndexVolumeWriter(m_options);
w.VolumeID = m_database.RegisterRemoteVolume(w.RemoteFilename, RemoteVolumeType.Index, RemoteVolumeState.Temporary, null);
var blockvolume = m_database.GetRemoteVolumeFromName(blockfile);
w.StartVolume(blockvolume.Name);
var volumeid = m_database.GetRemoteVolumeID(blockvolume.Name);
foreach(var b in m_database.GetBlocks(volumeid))
w.AddBlock(b.Hash, b.Size);
w.FinishVolume(blockvolume.Hash, blockvolume.Size);
if (m_options.IndexfilePolicy == Options.IndexFileStrategy.Full)
foreach(var b in m_database.GetBlocklists(volumeid, m_options.Blocksize, hashsize))
w.WriteBlocklist(b.Item1, b.Item2, 0, b.Item3);
w.Close();
m_database.AddIndexBlockLink(w.VolumeID, volumeid, null);
if (m_options.Dryrun)
m_result.AddDryrunMessage(string.Format("would upload new index file {0}, with size {1}, previous size {2}", w.RemoteFilename, Library.Utility.Utility.FormatSizeString(new System.IO.FileInfo(w.LocalFilename).Length), Library.Utility.Utility.FormatSizeString(w.Filesize)));
else
{
m_database.UpdateRemoteVolume(w.RemoteFilename, RemoteVolumeState.Uploading, -1, null, null);
m_backend.Put(w);
}
}
}
}
private void UploadRealFileList(BackendManager backend, FilesetVolumeWriter filesetvolume)
{
var changeCount =
m_result.AddedFiles + m_result.ModifiedFiles + m_result.DeletedFiles +
m_result.AddedFolders + m_result.ModifiedFolders + m_result.DeletedFolders +
m_result.AddedSymlinks + m_result.ModifiedSymlinks + m_result.DeletedSymlinks;
//Changes in the filelist triggers a filelist upload
if (m_options.UploadUnchangedBackups || changeCount > 0)
{
using(new Logging.Timer("Uploading a new fileset"))
{
if (!string.IsNullOrEmpty(m_options.ControlFiles))
foreach(var p in m_options.ControlFiles.Split(new char[] { System.IO.Path.PathSeparator }, StringSplitOptions.RemoveEmptyEntries))
filesetvolume.AddControlFile(p, m_options.GetCompressionHintFromFilename(p));
m_database.WriteFileset(filesetvolume, m_transaction);
filesetvolume.Close();
if (m_options.Dryrun)
m_result.AddDryrunMessage(string.Format("Would upload fileset volume: {0}, size: {1}", filesetvolume.RemoteFilename, Library.Utility.Utility.FormatSizeString(new FileInfo(filesetvolume.LocalFilename).Length)));
else
{
m_database.UpdateRemoteVolume(filesetvolume.RemoteFilename, RemoteVolumeState.Uploading, -1, null, m_transaction);
using(new Logging.Timer("CommitUpdateRemoteVolume"))
m_transaction.Commit();
m_transaction = m_database.BeginTransaction();
backend.Put(filesetvolume);
using(new Logging.Timer("CommitUpdateRemoteVolume"))
m_transaction.Commit();
m_transaction = m_database.BeginTransaction();
}
}
}
else
{
m_result.AddVerboseMessage("removing temp files, as no data needs to be uploaded");
m_database.RemoveRemoteVolume(filesetvolume.RemoteFilename, m_transaction);
}
}