コード例 #1
0
ファイル: BackupHandler.cs プロジェクト: wuwx/duplicati
        private void PostBackupVerification()
        {
            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(LOGTAG, "AfterBackupVerify", "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, (TestResults)m_result.TestResults)
                        .DoRun(m_options.BackupTestSampleCount, testdb, backend);
            }
        }
コード例 #2
0
        private void PostBackupVerification()
        {
            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(LOGTAG, "AfterBackupVerify", "AfterBackupVerify"))
                    FilelistProcessor.VerifyRemoteList(backend, m_options, m_database, m_result.BackendWriter);
                backend.WaitForComplete(m_database, null);
            }

            long remoteVolumeCount = m_database.GetRemoteVolumes().LongCount(x => x.State == RemoteVolumeState.Verified);
            long samplesToTest     = Math.Max(m_options.BackupTestSampleCount, (long)Math.Round(remoteVolumeCount * (m_options.BackupTestPercentage / 100D), MidpointRounding.AwayFromZero));

            if (samplesToTest > 0 && remoteVolumeCount > 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, (TestResults)m_result.TestResults)
                        .DoRun(samplesToTest, testdb, backend);
            }
        }
コード例 #3
0
ファイル: BackupHandler.cs プロジェクト: Berimor66/duplicati
        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); }
                }
            }
        }