Beispiel #1
0
        private void FinishVolumeAndUpload(LocalDeleteDatabase db, BackendManager backend, BlockVolumeWriter newvol, IndexVolumeWriter newvolindex, List <KeyValuePair <string, long> > uploadedVolumes)
        {
            Action indexVolumeFinished = () => {
                if (newvolindex != null && m_options.IndexfilePolicy == Options.IndexFileStrategy.Full)
                {
                    foreach (var blocklist in db.GetBlocklists(newvol.VolumeID, m_options.Blocksize, m_options.BlockhashSize))
                    {
                        newvolindex.WriteBlocklist(blocklist.Item1, blocklist.Item2, 0, blocklist.Item3);
                    }
                }
            };

            uploadedVolumes.Add(new KeyValuePair <string, long>(newvol.RemoteFilename, newvol.Filesize));
            if (newvolindex != null)
            {
                uploadedVolumes.Add(new KeyValuePair <string, long>(newvolindex.RemoteFilename, newvolindex.Filesize));
            }
            if (!m_options.Dryrun)
            {
                backend.Put(newvol, newvolindex, indexVolumeFinished);
            }
            else
            {
                Logging.Log.WriteDryrunMessage(LOGTAG, "WouldUploadGeneratedBlockset", "Would upload generated blockset of size {0}", Library.Utility.Utility.FormatSizeString(newvol.Filesize));
            }
        }
Beispiel #2
0
        public virtual void Run()
        {
            if (!System.IO.File.Exists(m_options.Dbpath))
            {
                throw new Exception(string.Format("Database file does not exist: {0}", m_options.Dbpath));
            }

            using (var db = new LocalDeleteDatabase(m_options.Dbpath, "Compact"))
            {
                var tr = db.BeginTransaction();
                try
                {
                    m_result.SetDatabase(db);
                    Utility.UpdateOptionsFromDb(db, m_options);
                    Utility.VerifyParameters(db, m_options);

                    var changed = DoCompact(db, false, ref tr, null);

                    if (changed && m_options.UploadVerificationFile)
                    {
                        FilelistProcessor.UploadVerificationFile(m_backendurl, m_options, m_result.BackendWriter, db, null);
                    }

                    if (!m_options.Dryrun)
                    {
                        using (new Logging.Timer(LOGTAG, "CommitCompact", "CommitCompact"))
                            tr.Commit();
                        if (changed)
                        {
                            db.WriteResults();
                            if (m_options.AutoVacuum)
                            {
                                m_result.VacuumResults = new VacuumResults(m_result);
                                new VacuumHandler(m_options, (VacuumResults)m_result.VacuumResults).Run();
                            }
                        }
                    }
                    else
                    {
                        tr.Rollback();
                    }

                    tr = null;
                }
                finally
                {
                    if (tr != null)
                    {
                        try { tr.Rollback(); }
                        catch { }
                    }
                }
            }
        }
Beispiel #3
0
        private IEnumerable <KeyValuePair <string, long> > DoDelete(LocalDeleteDatabase db, BackendManager backend, List <IRemoteVolume> deleteableVolumes, System.Data.IDbTransaction transaction)
        {
            foreach (var f in db.GetDeletableVolumes(deleteableVolumes, transaction))
            {
                if (!m_options.Dryrun)
                {
                    backend.Delete(f.Name, f.Size);
                }
                else
                {
                    m_result.AddDryrunMessage(string.Format("Would delete remote file: {0}, size: {1}", f.Name, Library.Utility.Utility.FormatSizeString(f.Size)));
                }

                yield return(new KeyValuePair <string, long>(f.Name, f.Size));
            }

            deleteableVolumes.Clear();
        }
Beispiel #4
0
        private void CompactIfRequired(BackendManager backend, long lastVolumeSize)
        {
            var currentIsSmall = lastVolumeSize != -1 && lastVolumeSize <= m_options.SmallFileSize;

            if (m_options.KeepTime.Ticks > 0 || m_options.KeepVersions != 0 || m_options.RetentionPolicy.Count > 0)
            {
                m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_Delete);
                m_result.DeleteResults = new DeleteResults(m_result);
                using (var db = new LocalDeleteDatabase(m_database))
                    new DeleteHandler(backend.BackendUrl, m_options, (DeleteResults)m_result.DeleteResults).DoRun(db, ref m_transaction, true, currentIsSmall, backend);
            }
            else if (currentIsSmall && !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(backend.BackendUrl, m_options, (CompactResults)m_result.CompactResults).DoCompact(db, true, ref m_transaction, backend);
            }
        }
Beispiel #5
0
        private IEnumerable <KeyValuePair <string, long> > DoDelete(LocalDeleteDatabase db, BackendManager backend, IEnumerable <IRemoteVolume> deleteableVolumes, ref System.Data.IDbTransaction transaction)
        {
            // Mark all volumes as disposable
            foreach (var f in deleteableVolumes)
            {
                db.UpdateRemoteVolume(f.Name, RemoteVolumeState.Deleting, f.Size, f.Hash, transaction);
            }

            // Before we commit the current state, make sure the backend has caught up
            backend.WaitForEmpty(db, transaction);

            if (!m_options.Dryrun)
            {
                transaction.Commit();
                transaction = db.BeginTransaction();
            }

            return(PerformDelete(backend, db.GetDeletableVolumes(deleteableVolumes, transaction)));
        }
Beispiel #6
0
        public virtual void Run()
        {
            if (!System.IO.File.Exists(m_options.Dbpath))
            {
                throw new Exception(string.Format("Database file does not exist: {0}", m_options.Dbpath));
            }

            using (var db = new LocalDeleteDatabase(m_options.Dbpath, true))
                using (var tr = db.BeginTransaction())
                {
                    m_result.SetDatabase(db);
                    Utility.UpdateOptionsFromDb(db, m_options);
                    Utility.VerifyParameters(db, m_options);

                    var changed = DoCompact(db, false, tr);

                    if (changed && m_options.UploadVerificationFile)
                    {
                        FilelistProcessor.UploadVerificationFile(m_backendurl, m_options, m_result.BackendWriter, db, null);
                    }

                    if (!m_options.Dryrun)
                    {
                        using (new Logging.Timer("CommitCompact"))
                            tr.Commit();
                        if (changed)
                        {
                            db.WriteResults();
                            db.Vacuum();
                        }
                    }
                    else
                    {
                        tr.Rollback();
                    }
                }
        }
Beispiel #7
0
        internal bool DoCompact(LocalDeleteDatabase db, bool hasVerifiedBackend, ref System.Data.IDbTransaction transaction, BackendManager sharedBackend)
        {
            var report = db.GetCompactReport(m_options.VolumeSize, m_options.Threshold, m_options.SmallFileSize, m_options.SmallFileMaxCount, transaction);

            report.ReportCompactData();

            if (report.ShouldReclaim || report.ShouldCompact)
            {
                // Workaround where we allow a running backendmanager to be used
                using (var bk = sharedBackend == null ? new BackendManager(m_backendurl, m_options, m_result.BackendWriter, db) : null)
                {
                    var backend = bk ?? sharedBackend;
                    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);
                    }

                    long   blocksInVolume = 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)
                    {
                        newvolindex?.StartVolume(newvol.RemoteFilename);
                        var volumesToDownload = (from v in remoteList
                                                 where report.CompactableVolumes.Contains(v.Name)
                                                 select(IRemoteVolume) v).ToList();

                        using (var q = db.CreateBlockQueryHelper(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(string.Format("Size mismatch problem for block {0}, {1} vs {2}", e.Key, s, e.Value));
                                                }

                                                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, newvol.Filesize));
                                                    if (newvolindex != null)
                                                    {
                                                        uploadedVolumes.Add(new KeyValuePair <string, long>(newvolindex.RemoteFilename, newvolindex.Filesize));
                                                    }

                                                    if (!m_options.Dryrun)
                                                    {
                                                        backend.Put(newvol, newvolindex);
                                                    }
                                                    else
                                                    {
                                                        Logging.Log.WriteDryrunMessage(LOGTAG, "WouldUploadGeneratedBlockset", "Would upload generated blockset of size {0}", Library.Utility.Utility.FormatSizeString(newvol.Filesize));
                                                    }


                                                    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>();
                                                }
                                            }
                                        }
                                    }

                                    deleteableVolumes.Add(entry);
                                }
                            }

                            if (blocksInVolume > 0)
                            {
                                uploadedVolumes.Add(new KeyValuePair <string, long>(newvol.RemoteFilename, newvol.Filesize));
                                if (newvolindex != null)
                                {
                                    uploadedVolumes.Add(new KeyValuePair <string, long>(newvolindex.RemoteFilename, newvolindex.Filesize));
                                }
                                if (!m_options.Dryrun)
                                {
                                    backend.Put(newvol, newvolindex);
                                }
                                else
                                {
                                    Logging.Log.WriteDryrunMessage(LOGTAG, "WouldUploadGeneratedBlockset", "Would upload generated blockset of size {0}", Library.Utility.Utility.FormatSizeString(newvol.Filesize));
                                }
                            }
                            else
                            {
                                db.RemoveRemoteVolume(newvol.RemoteFilename, transaction);
                                if (newvolindex != null)
                                {
                                    db.RemoveRemoteVolume(newvolindex.RemoteFilename, transaction);
                                    newvolindex.FinishVolume(null, 0);
                                }
                            }
                        }
                    }
                    else
                    {
                        newvolindex?.Dispose();
                        newvol.Dispose();
                    }

                    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)
                        {
                            Logging.Log.WriteDryrunMessage(LOGTAG, "CompactResults", "Would delete {0} files, which would reduce storage by {1}", m_result.DeletedFileCount, Library.Utility.Utility.FormatSizeString(m_result.DeletedFileSize));
                        }
                        else
                        {
                            Logging.Log.WriteDryrunMessage(LOGTAG, "CompactResults", "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)
                        {
                            Logging.Log.WriteInformationMessage(LOGTAG, "CompactResults", "Deleted {0} files, which reduced storage by {1}", m_result.DeletedFileCount, Library.Utility.Utility.FormatSizeString(m_result.DeletedFileSize));
                        }
                        else
                        {
                            Logging.Log.WriteInformationMessage(LOGTAG, "CompactResults", "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);
                }

                m_result.EndTime = DateTime.UtcNow;
                return((m_result.DeletedFileCount + m_result.UploadedFileCount) > 0);
            }
            else
            {
                m_result.EndTime = DateTime.UtcNow;
                return(false);
            }
        }