Beispiel #1
0
        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();

			}
        }
Beispiel #2
0
        /// <summary>
        /// Adds the found file data to the output unless the block already exists
        /// </summary>
        /// <param name="key">The block hash</param>
        /// <param name="data">The data matching the hash</param>
        /// <param name="len">The size of the data</param>
        /// <param name="offset">The offset into the data</param>
        /// <param name="hint">Hint for compression module</param>
        /// <param name="isBlocklistData">Indicates if the block is list data</param>
        private bool AddBlockToOutput(string key, byte[] data, int offset, int len, CompressionHint hint, bool isBlocklistData)
        {
            if (m_database.AddBlock(key, len, m_blockvolume.VolumeID, m_transaction))
            {
                m_blockvolume.AddBlock(key, data, offset, len, hint);

                //TODO: In theory a normal data block and blocklist block could be equal.
                // this would cause the index file to not contain all data,
                // if the data file is added before the blocklist data
                // ... highly theoretical ...
                if (m_options.IndexfilePolicy == Options.IndexFileStrategy.Full && isBlocklistData)
                    m_indexvolume.WriteBlocklist(key, data, offset, len);

                if (m_blockvolume.Filesize > m_options.VolumeSize - m_options.Blocksize)
                {
                    if (m_options.Dryrun)
                    {
                        m_blockvolume.Close();
                        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)
                        {
                            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_indexvolume.Dispose();
                            m_indexvolume = null;
                        }

                        m_blockvolume.Dispose();
                        m_blockvolume = null;
                        m_indexvolume.Dispose();
                        m_indexvolume = null;
                    }
                    else
                    {
                        //When uploading a new volume, we register the volumes and then flush the transaction
                        // this ensures that the local database and remote storage are as closely related as possible
                        m_database.UpdateRemoteVolume(m_blockvolume.RemoteFilename, RemoteVolumeState.Uploading, -1, null, m_transaction);
                        m_blockvolume.Close();
                        UpdateIndexVolume();

                        m_backend.FlushDbMessages(m_database, m_transaction);
                        m_backendLogFlushTimer = DateTime.Now.Add(FLUSH_TIMESPAN);

                        using(new Logging.Timer("CommitAddBlockToOutputFlush"))
                            m_transaction.Commit();
                        m_transaction = m_database.BeginTransaction();

                        m_backend.Put(m_blockvolume, m_indexvolume);
                        m_blockvolume = null;
                        m_indexvolume = null;
                    }

                    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);
                    }
                }

                return true;
            }

            return false;
        }
Beispiel #3
0
        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); }
                }
            }
        }
Beispiel #4
0
        public void Dispose()
        {
            if (m_blockvolume != null)
            {
                try { m_blockvolume.Dispose(); }
                catch (Exception ex) { m_result.AddError("Failed disposing block volume", ex); }
                finally { m_blockvolume = null; }
            }

            if (m_indexvolume != null)
            {
                try { m_indexvolume.Dispose(); }
                catch (Exception ex) { m_result.AddError("Failed disposing index volume", ex); }
                finally { m_indexvolume = null; }
            }

            m_result.EndTime = DateTime.UtcNow;
        }
Beispiel #5
0
		internal bool DoCompact(LocalDeleteDatabase db, bool hasVerifiedBackend, ref System.Data.IDbTransaction transaction)
        {
            var report = db.GetCompactReport(m_options.VolumeSize, m_options.Threshold, m_options.SmallFileSize, m_options.SmallFileMaxCount, transaction);
            report.ReportCompactData(m_result);
			
            if (report.ShouldReclaim || report.ShouldCompact)
            {
                using(var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, db))
                {
                    if (!hasVerifiedBackend && !m_options.NoBackendverification)
                        FilelistProcessor.VerifyRemoteList(backend, m_options, db, m_result.BackendWriter);
		
                    BlockVolumeWriter newvol = new BlockVolumeWriter(m_options);
                    newvol.VolumeID = db.RegisterRemoteVolume(newvol.RemoteFilename, RemoteVolumeType.Blocks, RemoteVolumeState.Temporary, transaction);
	
                    IndexVolumeWriter newvolindex = null;
                    if (m_options.IndexfilePolicy != Options.IndexFileStrategy.None)
                    {
                        newvolindex = new IndexVolumeWriter(m_options);
                        newvolindex.VolumeID = db.RegisterRemoteVolume(newvolindex.RemoteFilename, RemoteVolumeType.Index, RemoteVolumeState.Temporary, transaction);
                        db.AddIndexBlockLink(newvolindex.VolumeID, newvol.VolumeID, transaction);
                        newvolindex.StartVolume(newvol.RemoteFilename);
                    }
					
                    long blocksInVolume = 0;
                    long discardedBlocks = 0;
                    long discardedSize = 0;
                    byte[] buffer = new byte[m_options.Blocksize];
                    var remoteList = db.GetRemoteVolumes().Where(n => n.State == RemoteVolumeState.Uploaded || n.State == RemoteVolumeState.Verified).ToArray();
					
                    //These are for bookkeeping
                    var uploadedVolumes = new List<KeyValuePair<string, long>>();
                    var deletedVolumes = new List<KeyValuePair<string, long>>();
                    var downloadedVolumes = new List<KeyValuePair<string, long>>();
					
                    //We start by deleting unused volumes to save space before uploading new stuff
                    var fullyDeleteable = (from v in remoteList
                                           where report.DeleteableVolumes.Contains(v.Name)
                                           select (IRemoteVolume)v).ToList();                    
                    deletedVolumes.AddRange(DoDelete(db, backend, fullyDeleteable, ref transaction));

                    // This list is used to pick up unused volumes,
                    // so they can be deleted once the upload of the
                    // required fragments is complete
                    var deleteableVolumes = new List<IRemoteVolume>();

                    if (report.ShouldCompact)
                    {
                        var volumesToDownload = (from v in remoteList
                                                 where report.CompactableVolumes.Contains(v.Name)
                                                 select (IRemoteVolume)v).ToList();
						
                        using(var q = db.CreateBlockQueryHelper(m_options, transaction))
                        {
                            foreach(var entry in new AsyncDownloader(volumesToDownload, backend))
                            using(var tmpfile = entry.TempFile)
                            {
                                if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
                                {
                                    backend.WaitForComplete(db, transaction);
                                    return false;
                                }
                                    
								downloadedVolumes.Add(new KeyValuePair<string, long>(entry.Name, entry.Size));
								var inst = VolumeBase.ParseFilename(entry.Name);
								using(var f = new BlockVolumeReader(inst.CompressionModule, tmpfile, m_options))
								{
									foreach(var e in f.Blocks)
									{
                                        if (q.UseBlock(e.Key, e.Value, transaction))
										{
											//TODO: How do we get the compression hint? Reverse query for filename in db?
											var s = f.ReadBlock(e.Key, buffer);
											if (s != e.Value)
												throw new Exception("Size mismatch problem, {0} vs {1}");
												
											newvol.AddBlock(e.Key, buffer, 0, s, Duplicati.Library.Interface.CompressionHint.Compressible);
											if (newvolindex != null)
												newvolindex.AddBlock(e.Key, e.Value);
												
											db.MoveBlockToNewVolume(e.Key, e.Value, newvol.VolumeID, transaction);
											blocksInVolume++;
											
											if (newvol.Filesize > m_options.VolumeSize)
											{
												uploadedVolumes.Add(new KeyValuePair<string, long>(newvol.RemoteFilename, new System.IO.FileInfo(newvol.LocalFilename).Length));
												if (newvolindex != null)
													uploadedVolumes.Add(new KeyValuePair<string, long>(newvolindex.RemoteFilename, new System.IO.FileInfo(newvolindex.LocalFilename).Length));
	
												if (!m_options.Dryrun)
													backend.Put(newvol, newvolindex);
												else
													m_result.AddDryrunMessage(string.Format("Would upload generated blockset of size {0}", Library.Utility.Utility.FormatSizeString(new System.IO.FileInfo(newvol.LocalFilename).Length)));
												
												
												newvol = new BlockVolumeWriter(m_options);
												newvol.VolumeID = db.RegisterRemoteVolume(newvol.RemoteFilename, RemoteVolumeType.Blocks, RemoteVolumeState.Temporary, transaction);
				
												if (m_options.IndexfilePolicy != Options.IndexFileStrategy.None)
												{
													newvolindex = new IndexVolumeWriter(m_options);
													newvolindex.VolumeID = db.RegisterRemoteVolume(newvolindex.RemoteFilename, RemoteVolumeType.Index, RemoteVolumeState.Temporary, transaction);
                                                    db.AddIndexBlockLink(newvolindex.VolumeID, newvol.VolumeID, transaction);
													newvolindex.StartVolume(newvol.RemoteFilename);
												}
												
												blocksInVolume = 0;
												
												//After we upload this volume, we can delete all previous encountered volumes
												deletedVolumes.AddRange(DoDelete(db, backend, deleteableVolumes, ref transaction));
                                                deleteableVolumes = new List<IRemoteVolume>();
											}
										}
										else
										{
											discardedBlocks++;
											discardedSize += e.Value;
										}
									}
								}
	
								deleteableVolumes.Add(entry);
							}
							
							if (blocksInVolume > 0)
							{
								uploadedVolumes.Add(new KeyValuePair<string, long>(newvol.RemoteFilename, new System.IO.FileInfo(newvol.LocalFilename).Length));
								if (newvolindex != null)
									uploadedVolumes.Add(new KeyValuePair<string, long>(newvolindex.RemoteFilename, new System.IO.FileInfo(newvolindex.LocalFilename).Length));
								if (!m_options.Dryrun)
									backend.Put(newvol, newvolindex);
								else
									m_result.AddDryrunMessage(string.Format("Would upload generated blockset of size {0}", Library.Utility.Utility.FormatSizeString(new System.IO.FileInfo(newvol.LocalFilename).Length)));
							}
							else
							{
				                db.RemoveRemoteVolume(newvol.RemoteFilename, transaction);
			                    if (newvolindex != null)
			                    {
				                    db.RemoveRemoteVolume(newvolindex.RemoteFilename, transaction);
				                    newvolindex.FinishVolume(null, 0);
			                    }
							}
						}
					}
					
					deletedVolumes.AddRange(DoDelete(db, backend, deleteableVolumes, ref transaction));
										
                    var downloadSize = downloadedVolumes.Where(x => x.Value >= 0).Aggregate(0L, (a,x) => a + x.Value);
                    var deletedSize = deletedVolumes.Where(x => x.Value >= 0).Aggregate(0L, (a,x) => a + x.Value);
                    var uploadSize = uploadedVolumes.Where(x => x.Value >= 0).Aggregate(0L, (a,x) => a + x.Value);
					
                    m_result.DeletedFileCount = deletedVolumes.Count;
                    m_result.DownloadedFileCount = downloadedVolumes.Count;
                    m_result.UploadedFileCount = uploadedVolumes.Count;
                    m_result.DeletedFileSize = deletedSize;
                    m_result.DownloadedFileSize = downloadSize;
                    m_result.UploadedFileSize = uploadSize;
                    m_result.Dryrun = m_options.Dryrun;
                    
					if (m_result.Dryrun)
					{
                        if (downloadedVolumes.Count == 0)
                            m_result.AddDryrunMessage(string.Format("Would delete {0} files, which would reduce storage by {1}", m_result.DeletedFileCount, Library.Utility.Utility.FormatSizeString(m_result.DeletedFileSize)));
                        else
                            m_result.AddDryrunMessage(string.Format("Would download {0} file(s) with a total size of {1}, delete {2} file(s) with a total size of {3}, and compact to {4} file(s) with a size of {5}, which would reduce storage by {6} file(s) and {7}", m_result.DownloadedFileCount, Library.Utility.Utility.FormatSizeString(m_result.DownloadedFileSize), m_result.DeletedFileCount, Library.Utility.Utility.FormatSizeString(m_result.DeletedFileSize), m_result.UploadedFileCount, Library.Utility.Utility.FormatSizeString(m_result.UploadedFileSize), m_result.DeletedFileCount - m_result.UploadedFileCount, Library.Utility.Utility.FormatSizeString(m_result.DeletedFileSize - m_result.UploadedFileSize)));
					}
					else
					{
                        if (m_result.DownloadedFileCount == 0)
                            m_result.AddMessage(string.Format("Deleted {0} files, which reduced storage by {1}", m_result.DeletedFileCount, Library.Utility.Utility.FormatSizeString(m_result.DeletedFileSize)));
                        else
                            m_result.AddMessage(string.Format("Downloaded {0} file(s) with a total size of {1}, deleted {2} file(s) with a total size of {3}, and compacted to {4} file(s) with a size of {5}, which reduced storage by {6} file(s) and {7}", m_result.DownloadedFileCount, Library.Utility.Utility.FormatSizeString(downloadSize), m_result.DeletedFileCount, Library.Utility.Utility.FormatSizeString(m_result.DeletedFileSize), m_result.UploadedFileCount, Library.Utility.Utility.FormatSizeString(m_result.UploadedFileSize), m_result.DeletedFileCount - m_result.UploadedFileCount, Library.Utility.Utility.FormatSizeString(m_result.DeletedFileSize - m_result.UploadedFileSize)));
					}
							
					backend.WaitForComplete(db, transaction);
				}
                
                return (m_result.DeletedFileCount + m_result.UploadedFileCount) > 0;
			}
			else
			{
                return false;
			}
		}
Beispiel #6
0
        private long FinalizeRemoteVolumes(BackendManager backend)
        {
            var lastVolumeSize = -1L;
            m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_Finalize);
            using(new Logging.Timer("FinalizeRemoteVolumes"))
            {
                if (m_blockvolume != null && 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();

                        backend.Put(m_blockvolume, m_indexvolume);

                        using(new Logging.Timer("CommitUpdateRemoteVolume"))
                            m_transaction.Commit();
                        m_transaction = m_database.BeginTransaction();

                        m_blockvolume = null;
                        m_indexvolume = null;
                    }
                }
            }

            return lastVolumeSize;
        }