コード例 #1
0
        public static List <KeyValuePair <long, Volumes.IParsedVolume> > ParseAndFilterFilesets(IEnumerable <Duplicati.Library.Interface.IFileEntry> rawlist, Options options)
        {
            var parsedlist = (from n in rawlist
                              let p = Volumes.VolumeBase.ParseFilename(n)
                                      where p != null && p.FileType == RemoteVolumeType.Files
                                      orderby p.Time descending
                                      select p).ToArray();
            var filelistFilter = RestoreHandler.FilterNumberedFilelist(options.Time, options.Version);

            return(filelistFilter(parsedlist).ToList());
        }
コード例 #2
0
ファイル: RepairHandler.cs プロジェクト: teotikalki/duplicati
        public void RunRepairLocal(Library.Utility.IFilter filter = null)
        {
            m_result.RecreateDatabaseResults = new RecreateDatabaseResults(m_result);
            using (new Logging.Timer(LOGTAG, "RecreateDbForRepair", "Recreate database for repair"))
                using (var f = m_options.Dryrun ? new Library.Utility.TempFile() : null)
                {
                    if (f != null && System.IO.File.Exists(f))
                    {
                        System.IO.File.Delete(f);
                    }

                    var filelistfilter = RestoreHandler.FilterNumberedFilelist(m_options.Time, m_options.Version);

                    new RecreateDatabaseHandler(m_backendurl, m_options, (RecreateDatabaseResults)m_result.RecreateDatabaseResults)
                    .Run(m_options.Dryrun ? (string)f : m_options.Dbpath, filter, filelistfilter);
                }
        }
コード例 #3
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(Strings.Foresthash.InvalidHashAlgorithm(m_options.BlockHashAlgorithm));
                    }
                    if (!blockhasher.CanReuseTransform)
                    {
                        throw new Exception(Strings.Foresthash.InvalidCryptoSystem(m_options.BlockHashAlgorithm));
                    }

                    var progress      = 0;
                    var targetProgess = tp.ExtraVolumes.Count() + tp.MissingVolumes.Count() + tp.VerificationRequiredVolumes.Count();

                    if (m_options.Dryrun)
                    {
                        if (tp.ParsedVolumes.Count() == 0 && tp.OtherVolumes.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.ExtraVolumes.Count() > 0 || tp.MissingVolumes.Count() > 0 || tp.VerificationRequiredVolumes.Count() > 0)
                    {
                        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();
                }
        }
コード例 #4
0
ファイル: RepairHandler.cs プロジェクト: teotikalki/duplicati
        public void RunRepairRemote()
        {
            if (!System.IO.File.Exists(m_options.Dbpath))
            {
                throw new UserInformationException(string.Format("Database file does not exist: {0}", m_options.Dbpath), "RepairDatabaseFileDoesNotExist");
            }

            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.UpdateOptionsFromDb(db, m_options);
                    Utility.VerifyParameters(db, m_options);

                    if (db.PartiallyRecreated)
                    {
                        throw new UserInformationException("The database was only partially recreated. This database may be incomplete and the repair process is not allowed to alter remote files as that could result in data loss.", "DatabaseIsPartiallyRecreated");
                    }

                    if (db.RepairInProgress)
                    {
                        throw new UserInformationException("The database was attempted repaired, but the repair did not complete. This database may be incomplete and the repair process is not allowed to alter remote files as that could result in data loss.", "DatabaseIsInRepairState");
                    }

                    var tp          = FilelistProcessor.RemoteListAnalysis(backend, m_options, db, m_result.BackendWriter, null);
                    var buffer      = new byte[m_options.Blocksize];
                    var blockhasher = Library.Utility.HashAlgorithmHelper.Create(m_options.BlockHashAlgorithm);
                    var hashsize    = blockhasher.HashSize / 8;

                    if (blockhasher == null)
                    {
                        throw new UserInformationException(Strings.Common.InvalidHashAlgorithm(m_options.BlockHashAlgorithm), "BlockHashAlgorithmNotSupported");
                    }
                    if (!blockhasher.CanReuseTransform)
                    {
                        throw new UserInformationException(Strings.Common.InvalidCryptoSystem(m_options.BlockHashAlgorithm), "BlockHashAlgorithmNotSupported");
                    }

                    var progress      = 0;
                    var targetProgess = tp.ExtraVolumes.Count() + tp.MissingVolumes.Count() + tp.VerificationRequiredVolumes.Count();

                    if (m_options.Dryrun)
                    {
                        if (tp.ParsedVolumes.Count() == 0 && tp.OtherVolumes.Count() > 0)
                        {
                            if (tp.BackupPrefixes.Length == 1)
                            {
                                throw new UserInformationException(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]), "RemoteFolderEmptyWithPrefix");
                            }
                            else
                            {
                                throw new UserInformationException(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)), "RemoteFolderEmptyWithPrefix");
                            }
                        }
                        else if (tp.ParsedVolumes.Count() == 0 && tp.ExtraVolumes.Count() > 0)
                        {
                            throw new UserInformationException(string.Format("No files were missing, but {0} remote files were, found, did you mean to run recreate-database?", tp.ExtraVolumes.Count()), "NoRemoteFilesMissing");
                        }
                    }

                    if (tp.ExtraVolumes.Count() > 0 || tp.MissingVolumes.Count() > 0 || tp.VerificationRequiredVolumes.Count() > 0)
                    {
                        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, 1);

                                        if (res.Value.Any())
                                        {
                                            throw new Exception(string.Format("Remote verification failure: {0}", res.Value.First()));
                                        }

                                        if (!m_options.Dryrun)
                                        {
                                            Logging.Log.WriteInformationMessage(LOGTAG, "CapturedRemoteFileHash", "Sucessfully captured hash for {0}, updating database", n.Name);
                                            db.UpdateRemoteVolume(n.Name, RemoteVolumeState.Verified, size, hash);
                                        }
                                    }
                                    catch (Exception ex)
                                    {
                                        Logging.Log.WriteErrorMessage(LOGTAG, "RemoteFileVerificationError", ex, "Failed to perform verification for file: {0}, please run verify; message: {1}", n.Name, ex.Message);
                                        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 this is a new index file, we can accept it if it matches our local data
                                // This makes it possible to augment the remote store with new index data
                                if (n.FileType == RemoteVolumeType.Index && m_options.IndexfilePolicy != Options.IndexFileStrategy.None)
                                {
                                    try
                                    {
                                        string hash;
                                        long   size;
                                        using (var tf = backend.GetWithInfo(n.File.Name, out size, out hash))
                                            using (var ifr = new IndexVolumeReader(n.CompressionModule, tf, m_options, m_options.BlockhashSize))
                                            {
                                                foreach (var rv in ifr.Volumes)
                                                {
                                                    var entry = db.GetRemoteVolume(rv.Filename);
                                                    if (entry.ID < 0)
                                                    {
                                                        throw new Exception(string.Format("Unknown remote file {0} detected", rv.Filename));
                                                    }

                                                    if (!new [] { RemoteVolumeState.Uploading, RemoteVolumeState.Uploaded, RemoteVolumeState.Verified }.Contains(entry.State))
                                                    {
                                                        throw new Exception(string.Format("Volume {0} has local state {1}", rv.Filename, entry.State));
                                                    }

                                                    if (entry.Hash != rv.Hash || entry.Size != rv.Length || !new [] { RemoteVolumeState.Uploading, RemoteVolumeState.Uploaded, RemoteVolumeState.Verified }.Contains(entry.State))
                                                    {
                                                        throw new Exception(string.Format("Volume {0} hash/size mismatch ({1} - {2}) vs ({3} - {4})", rv.Filename, entry.Hash, entry.Size, rv.Hash, rv.Length));
                                                    }

                                                    db.CheckAllBlocksAreInVolume(rv.Filename, rv.Blocks);
                                                }

                                                var blocksize = m_options.Blocksize;
                                                foreach (var ixb in ifr.BlockLists)
                                                {
                                                    db.CheckBlocklistCorrect(ixb.Hash, ixb.Length, ixb.Blocklist, blocksize, hashsize);
                                                }

                                                var selfid = db.GetRemoteVolumeID(n.File.Name);
                                                foreach (var rv in ifr.Volumes)
                                                {
                                                    db.AddIndexBlockLink(selfid, db.GetRemoteVolumeID(rv.Filename), null);
                                                }
                                            }

                                        // All checks fine, we accept the new index file
                                        Logging.Log.WriteInformationMessage(LOGTAG, "AcceptNewIndexFile", "Accepting new index file {0}", n.File.Name);
                                        db.RegisterRemoteVolume(n.File.Name, RemoteVolumeType.Index, size, RemoteVolumeState.Uploading);
                                        db.UpdateRemoteVolume(n.File.Name, RemoteVolumeState.Verified, size, hash);
                                        continue;
                                    }
                                    catch (Exception rex)
                                    {
                                        Logging.Log.WriteErrorMessage(LOGTAG, "FailedNewIndexFile", rex, "Failed to accept new index file: {0}, message: {1}", n.File.Name, rex.Message);
                                    }
                                }

                                if (!m_options.Dryrun)
                                {
                                    db.RegisterRemoteVolume(n.File.Name, n.FileType, n.File.Size, RemoteVolumeState.Deleting);
                                    backend.Delete(n.File.Name, n.File.Size);
                                }
                                else
                                {
                                    Logging.Log.WriteDryrunMessage(LOGTAG, "WouldDeleteFile", "would delete file {0}", n.File.Name);
                                }
                            }
                            catch (Exception ex)
                            {
                                Logging.Log.WriteErrorMessage(LOGTAG, "FailedExtraFileCleanup", ex, "Failed to perform cleanup for extra file: {0}, message: {1}", n.File.Name, ex.Message);
                                if (ex is System.Threading.ThreadAbortException)
                                {
                                    throw;
                                }
                            }
                        }

                        if (!m_options.RebuildMissingDblockFiles)
                        {
                            var missingDblocks = tp.MissingVolumes.Where(x => x.Type == RemoteVolumeType.Blocks).ToArray();
                            if (missingDblocks.Length > 0)
                            {
                                throw new UserInformationException($"The backup storage destination is missing data files. You can either enable `--rebuild-missing-dblock-files` or run the purge command to remove these files. The following files are missing: {string.Join(", ", missingDblocks.Select(x => x.Name))}", "MissingDblockFiles");
                            }
                        }

                        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, filesetId, null);

                                    w.Close();
                                    if (m_options.Dryrun)
                                    {
                                        Logging.Log.WriteDryrunMessage(LOGTAG, "WouldReUploadFileset", "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);

                                    var h = Library.Utility.HashAlgorithmHelper.Create(m_options.BlockHashAlgorithm);

                                    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))
                                            {
                                                var bh = Convert.ToBase64String(h.ComputeHash(b.Item2, 0, b.Item3));
                                                if (bh != b.Item1)
                                                {
                                                    throw new Exception(string.Format("Internal consistency check failed, generated index block has wrong hash, {0} vs {1}", bh, b.Item1));
                                                }

                                                w.WriteBlocklist(b.Item1, b.Item2, 0, b.Item3);
                                            }
                                        }
                                    }

                                    w.Close();

                                    if (m_options.Dryrun)
                                    {
                                        Logging.Log.WriteDryrunMessage(LOGTAG, "WouldReUploadIndexFile", "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)
                                                {
                                                    Logging.Log.WriteErrorMessage(LOGTAG, "FileAccessError", ex, "Failed to access file: {0}", file);
                                                }
                                            }
                                        }

                                        //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)
                                            {
                                                Logging.Log.WriteErrorMessage(LOGTAG, "RemoteFileAccessError", ex, "Failed to access remote file: {0}", vol.Name);
                                            }
                                        }

                                        // If we managed to recover all blocks, NICE!
                                        var missingBlocks = mbl.GetMissingBlocks().Count();
                                        if (missingBlocks > 0)
                                        {
                                            Logging.Log.WriteInformationMessage(LOGTAG, "RepairMissingBlocks", "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())
                                            {
                                                Logging.Log.WriteInformationMessage(LOGTAG, "AffectedFilesetName", f.Name);
                                            }

                                            var recoverymsg = string.Format("If you want to continue working with the database, you can use the \"{0}\" and \"{1}\" commands to purge the missing data from the database and the remote storage.", "list-broken-files", "purge-broken-files");

                                            if (!m_options.Dryrun)
                                            {
                                                Logging.Log.WriteInformationMessage(LOGTAG, "RecoverySuggestion", "This may be fixed by deleting the filesets and running repair again");

                                                throw new UserInformationException(string.Format("Repair not possible, missing {0} blocks.\n" + recoverymsg, missingBlocks), "RepairIsNotPossible");
                                            }
                                            else
                                            {
                                                Logging.Log.WriteInformationMessage(LOGTAG, "RecoverySuggestion", recoverymsg);
                                            }
                                        }
                                        else
                                        {
                                            if (m_options.Dryrun)
                                            {
                                                Logging.Log.WriteDryrunMessage(LOGTAG, "WouldReUploadBlockFile", "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; }
                                }

                                Logging.Log.WriteErrorMessage(LOGTAG, "CleanupMissingFileError", ex, "Failed to perform cleanup for missing file: {0}, message: {1}", n.Name, ex.Message);

                                if (ex is System.Threading.ThreadAbortException)
                                {
                                    throw;
                                }
                            }
                        }
                    }
                    else
                    {
                        Logging.Log.WriteInformationMessage(LOGTAG, "DatabaseIsSynchronized", "Destination and database are synchronized, not making any changes");
                    }

                    m_result.OperationProgressUpdater.UpdateProgress(1);
                    backend.WaitForComplete(db, null);
                    db.WriteResults();
                }
        }
コード例 #5
0
        /// <summary>
        /// Run the recreate procedure
        /// </summary>
        /// <param name="dbparent">The database to restore into</param>
        /// <param name="updating">True if this is an update call, false otherwise</param>
        /// <param name="filter">A filter that can be used to disregard certain remote files, intended to be used to select a certain filelist</param>
        /// <param name="filelistfilter">Filters the files in a filelist to prevent downloading unwanted data</param>
        /// <param name="blockprocessor">A callback hook that can be used to work with downloaded block volumes, intended to be use to recover data blocks while processing blocklists</param>
        internal void DoRun(LocalDatabase dbparent, bool updating, Library.Utility.IFilter filter = null, NumberedFilterFilelistDelegate filelistfilter = null, BlockVolumePostProcessor blockprocessor = null)
        {
            m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Recreate_Running);

            //We build a local database in steps.
            using (var restoredb = new LocalRecreateDatabase(dbparent, m_options))
                using (var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, restoredb))
                {
                    restoredb.RepairInProgress = true;

                    var volumeIds = new Dictionary <string, long>();

                    var rawlist = backend.List();

                    //First step is to examine the remote storage to see what
                    // kind of data we can find
                    var remotefiles =
                        (from x in rawlist
                         let n = VolumeBase.ParseFilename(x)
                                 where
                                 n != null
                                 &&
                                 n.Prefix == m_options.Prefix
                                 select n).ToArray(); //ToArray() ensures that we do not remote-request it multiple times

                    if (remotefiles.Length == 0)
                    {
                        if (rawlist.Count == 0)
                        {
                            throw new UserInformationException("No files were found at the remote location, perhaps the target url is incorrect?", "EmptyRemoteLocation");
                        }
                        else
                        {
                            var tmp =
                                (from x in rawlist
                                 let n = VolumeBase.ParseFilename(x)
                                         where
                                         n != null
                                         select n.Prefix).ToArray();

                            var types = tmp.Distinct().ToArray();
                            if (tmp.Length == 0)
                            {
                                throw new UserInformationException(string.Format("Found {0} files at the remote storage, but none that could be parsed", rawlist.Count), "EmptyRemoteLocation");
                            }
                            else if (types.Length == 1)
                            {
                                throw new UserInformationException(string.Format("Found {0} parse-able files with the prefix {1}, did you forget to set the backup prefix?", tmp.Length, types[0]), "EmptyRemoteLocationWithPrefix");
                            }
                            else
                            {
                                throw new UserInformationException(string.Format("Found {0} parse-able files (of {1} files) with different prefixes: {2}, did you forget to set the backup prefix?", tmp.Length, rawlist.Count, string.Join(", ", types)), "EmptyRemoteLocationWithPrefix");
                            }
                        }
                    }

                    //Then we select the filelist we should work with,
                    // and create the filelist table to fit
                    IEnumerable <IParsedVolume> filelists =
                        from n in remotefiles
                        where n.FileType == RemoteVolumeType.Files
                        orderby n.Time descending
                        select n;

                    if (filelists.Count() <= 0)
                    {
                        throw new UserInformationException(string.Format("No filelists found on the remote destination"), "EmptyRemoteLocation");
                    }

                    if (filelistfilter != null)
                    {
                        filelists = filelistfilter(filelists).Select(x => x.Value).ToArray();
                    }

                    if (filelists.Count() <= 0)
                    {
                        throw new UserInformationException(string.Format("No filelists"), "NoMatchingRemoteFilelists");
                    }

                    // If we are updating, all files should be accounted for
                    foreach (var fl in remotefiles)
                    {
                        volumeIds[fl.File.Name] = updating ? restoredb.GetRemoteVolumeID(fl.File.Name) : restoredb.RegisterRemoteVolume(fl.File.Name, fl.FileType, fl.File.Size, RemoteVolumeState.Uploaded);
                    }

                    var hasUpdatedOptions = false;

                    if (updating)
                    {
                        Utility.UpdateOptionsFromDb(restoredb, m_options);
                        Utility.VerifyParameters(restoredb, m_options);
                    }

                    //Record all blocksets and files needed
                    using (var tr = restoredb.BeginTransaction())
                    {
                        var filelistWork = (from n in filelists orderby n.Time select new RemoteVolume(n.File) as IRemoteVolume).ToList();
                        Logging.Log.WriteInformationMessage(LOGTAG, "RebuildStarted", "Rebuild database started, downloading {0} filelists", filelistWork.Count);

                        var progress = 0;

                        // Register the files we are working with, if not already updated
                        if (updating)
                        {
                            foreach (var n in filelists)
                            {
                                if (volumeIds[n.File.Name] == -1)
                                {
                                    volumeIds[n.File.Name] = restoredb.RegisterRemoteVolume(n.File.Name, n.FileType, RemoteVolumeState.Uploaded, n.File.Size, new TimeSpan(0), tr);
                                }
                            }
                        }

                        var isFirstFilelist = true;
                        var blocksize       = m_options.Blocksize;
                        var hashes_pr_block = blocksize / m_options.BlockhashSize;

                        foreach (var entry in new AsyncDownloader(filelistWork, backend))
                        {
                            try
                            {
                                if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
                                {
                                    backend.WaitForComplete(restoredb, null);
                                    m_result.EndTime = DateTime.UtcNow;
                                    return;
                                }

                                progress++;
                                if (filelistWork.Count == 1 && m_options.RepairOnlyPaths)
                                {
                                    m_result.OperationProgressUpdater.UpdateProgress(0.5f);
                                }
                                else
                                {
                                    m_result.OperationProgressUpdater.UpdateProgress(((float)progress / filelistWork.Count()) * (m_options.RepairOnlyPaths ? 1f : 0.2f));
                                }

                                using (var tmpfile = entry.TempFile)
                                {
                                    isFirstFilelist = false;

                                    if (entry.Hash != null && entry.Size > 0)
                                    {
                                        restoredb.UpdateRemoteVolume(entry.Name, RemoteVolumeState.Verified, entry.Size, entry.Hash, tr);
                                    }

                                    var parsed = VolumeBase.ParseFilename(entry.Name);

                                    if (!hasUpdatedOptions && !updating)
                                    {
                                        VolumeReaderBase.UpdateOptionsFromManifest(parsed.CompressionModule, tmpfile, m_options);
                                        hasUpdatedOptions = true;
                                        // Recompute the cached sizes
                                        blocksize       = m_options.Blocksize;
                                        hashes_pr_block = blocksize / m_options.BlockhashSize;
                                    }


                                    // Create timestamped operations based on the file timestamp
                                    var filesetid = restoredb.CreateFileset(volumeIds[entry.Name], parsed.Time, tr);
                                    using (var filelistreader = new FilesetVolumeReader(parsed.CompressionModule, tmpfile, m_options))
                                        foreach (var fe in filelistreader.Files.Where(x => Library.Utility.FilterExpression.Matches(filter, x.Path)))
                                        {
                                            try
                                            {
                                                var expectedmetablocks          = (fe.Metasize + blocksize - 1) / blocksize;
                                                var expectedmetablocklisthashes = (expectedmetablocks + hashes_pr_block - 1) / hashes_pr_block;
                                                if (expectedmetablocks <= 1)
                                                {
                                                    expectedmetablocklisthashes = 0;
                                                }

                                                var metadataid = long.MinValue;
                                                switch (fe.Type)
                                                {
                                                case FilelistEntryType.Folder:
                                                    metadataid = restoredb.AddMetadataset(fe.Metahash, fe.Metasize, fe.MetaBlocklistHashes, expectedmetablocklisthashes, tr);
                                                    restoredb.AddDirectoryEntry(filesetid, fe.Path, fe.Time, metadataid, tr);
                                                    break;

                                                case FilelistEntryType.File:
                                                    var expectedblocks          = (fe.Size + blocksize - 1) / blocksize;
                                                    var expectedblocklisthashes = (expectedblocks + hashes_pr_block - 1) / hashes_pr_block;
                                                    if (expectedblocks <= 1)
                                                    {
                                                        expectedblocklisthashes = 0;
                                                    }

                                                    var blocksetid = restoredb.AddBlockset(fe.Hash, fe.Size, fe.BlocklistHashes, expectedblocklisthashes, tr);
                                                    metadataid = restoredb.AddMetadataset(fe.Metahash, fe.Metasize, fe.MetaBlocklistHashes, expectedmetablocklisthashes, tr);
                                                    restoredb.AddFileEntry(filesetid, fe.Path, fe.Time, blocksetid, metadataid, tr);

                                                    if (fe.Size <= blocksize)
                                                    {
                                                        if (!string.IsNullOrWhiteSpace(fe.Blockhash))
                                                        {
                                                            restoredb.AddSmallBlocksetLink(fe.Hash, fe.Blockhash, fe.Blocksize, tr);
                                                        }
                                                        else if (m_options.BlockHashAlgorithm == m_options.FileHashAlgorithm)
                                                        {
                                                            restoredb.AddSmallBlocksetLink(fe.Hash, fe.Hash, fe.Size, tr);
                                                        }
                                                        else
                                                        {
                                                            Logging.Log.WriteWarningMessage(LOGTAG, "MissingBlockHash", null, "No block hash found for file: {0}", fe.Path);
                                                        }
                                                    }

                                                    break;

                                                case FilelistEntryType.Symlink:
                                                    metadataid = restoredb.AddMetadataset(fe.Metahash, fe.Metasize, fe.MetaBlocklistHashes, expectedmetablocklisthashes, tr);
                                                    restoredb.AddSymlinkEntry(filesetid, fe.Path, fe.Time, metadataid, tr);
                                                    break;

                                                default:
                                                    Logging.Log.WriteWarningMessage(LOGTAG, "SkippingUnknownFileEntry", null, "Skipping file-entry with unknown type {0}: {1} ", fe.Type, fe.Path);
                                                    break;
                                                }

                                                if (fe.Metasize <= blocksize && (fe.Type == FilelistEntryType.Folder || fe.Type == FilelistEntryType.File || fe.Type == FilelistEntryType.Symlink))
                                                {
                                                    if (!string.IsNullOrWhiteSpace(fe.Metablockhash))
                                                    {
                                                        restoredb.AddSmallBlocksetLink(fe.Metahash, fe.Metablockhash, fe.Metasize, tr);
                                                    }
                                                    else if (m_options.BlockHashAlgorithm == m_options.FileHashAlgorithm)
                                                    {
                                                        restoredb.AddSmallBlocksetLink(fe.Metahash, fe.Metahash, fe.Metasize, tr);
                                                    }
                                                    else
                                                    {
                                                        Logging.Log.WriteWarningMessage(LOGTAG, "MissingMetadataBlockHash", null, "No block hash found for file metadata: {0}", fe.Path);
                                                    }
                                                }
                                            }
                                            catch (Exception ex)
                                            {
                                                Logging.Log.WriteWarningMessage(LOGTAG, "FileEntryProcessingFailed", ex, "Failed to process file-entry: {0}", fe.Path);
                                            }
                                        }
                                }
                            }
                            catch (Exception ex)
                            {
                                Logging.Log.WriteWarningMessage(LOGTAG, "FileProcessingFailed", ex, "Failed to process file: {0}", entry.Name);
                                if (ex is System.Threading.ThreadAbortException)
                                {
                                    m_result.EndTime = DateTime.UtcNow;
                                    throw;
                                }

                                if (isFirstFilelist && ex is System.Security.Cryptography.CryptographicException)
                                {
                                    m_result.EndTime = DateTime.UtcNow;
                                    throw;
                                }
                            }
                        }

                        //Make sure we write the config
                        if (!updating)
                        {
                            Utility.VerifyParameters(restoredb, m_options, tr);
                        }

                        using (new Logging.Timer(LOGTAG, "CommitUpdateFilesetFromRemote", "CommitUpdateFilesetFromRemote"))
                            tr.Commit();
                    }

                    if (!m_options.RepairOnlyPaths)
                    {
                        var hashalg = Library.Utility.HashAlgorithmHelper.Create(m_options.BlockHashAlgorithm);
                        if (hashalg == null)
                        {
                            throw new UserInformationException(Strings.Common.InvalidHashAlgorithm(m_options.BlockHashAlgorithm), "BlockHashAlgorithmNotSupported");
                        }
                        var hashsize = hashalg.HashSize / 8;

                        //Grab all index files, and update the block table
                        using (var tr = restoredb.BeginTransaction())
                        {
                            var indexfiles = (
                                from n in remotefiles
                                where n.FileType == RemoteVolumeType.Index
                                select new RemoteVolume(n.File) as IRemoteVolume).ToList();

                            Logging.Log.WriteInformationMessage(LOGTAG, "FilelistsRestored", "Filelists restored, downloading {0} index files", indexfiles.Count);

                            var progress = 0;

                            foreach (var sf in new AsyncDownloader(indexfiles, backend))
                            {
                                try
                                {
                                    if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
                                    {
                                        backend.WaitForComplete(restoredb, null);
                                        m_result.EndTime = DateTime.UtcNow;
                                        return;
                                    }

                                    progress++;
                                    m_result.OperationProgressUpdater.UpdateProgress((((float)progress / indexfiles.Count) * 0.5f) + 0.2f);

                                    using (var tmpfile = sf.TempFile)
                                    {
                                        if (sf.Hash != null && sf.Size > 0)
                                        {
                                            restoredb.UpdateRemoteVolume(sf.Name, RemoteVolumeState.Verified, sf.Size, sf.Hash, tr);
                                        }

                                        using (var svr = new IndexVolumeReader(RestoreHandler.GetCompressionModule(sf.Name), tmpfile, m_options, hashsize))
                                        {
                                            foreach (var a in svr.Volumes)
                                            {
                                                var filename = a.Filename;
                                                var volumeID = restoredb.GetRemoteVolumeID(filename);

                                                // No such file
                                                if (volumeID < 0)
                                                {
                                                    volumeID = ProbeForMatchingFilename(ref filename, restoredb);
                                                }

                                                // Still broken, register a missing item
                                                if (volumeID < 0)
                                                {
                                                    var p = VolumeBase.ParseFilename(filename);
                                                    if (p == null)
                                                    {
                                                        throw new Exception(string.Format("Unable to parse filename: {0}", filename));
                                                    }
                                                    Logging.Log.WriteErrorMessage(LOGTAG, "MissingFileDetected", null, "Remote file referenced as {0}, but not found in list, registering a missing remote file", filename);
                                                    volumeID = restoredb.RegisterRemoteVolume(filename, p.FileType, RemoteVolumeState.Verified, tr);
                                                }

                                                //Add all block/volume mappings
                                                foreach (var b in a.Blocks)
                                                {
                                                    restoredb.UpdateBlock(b.Key, b.Value, volumeID, tr);
                                                }

                                                restoredb.UpdateRemoteVolume(filename, RemoteVolumeState.Verified, a.Length, a.Hash, tr);
                                                restoredb.AddIndexBlockLink(restoredb.GetRemoteVolumeID(sf.Name), volumeID, tr);
                                            }

                                            //If there are blocklists in the index file, update the blocklists
                                            foreach (var b in svr.BlockLists)
                                            {
                                                restoredb.UpdateBlockset(b.Hash, b.Blocklist, tr);
                                            }
                                        }
                                    }
                                }
                                catch (Exception ex)
                                {
                                    //Not fatal
                                    Logging.Log.WriteErrorMessage(LOGTAG, "IndexFileProcessingFailed", ex, "Failed to process index file: {0}", sf.Name);
                                    if (ex is System.Threading.ThreadAbortException)
                                    {
                                        m_result.EndTime = DateTime.UtcNow;
                                        throw;
                                    }
                                }
                            }

                            using (new Logging.Timer(LOGTAG, "CommitRecreateDb", "CommitRecreatedDb"))
                                tr.Commit();

                            // TODO: In some cases, we can avoid downloading all index files,
                            // if we are lucky and pick the right ones
                        }

                        // We have now grabbed as much information as possible,
                        // if we are still missing data, we must now fetch block files
                        restoredb.FindMissingBlocklistHashes(hashsize, m_options.Blocksize, null);

                        //We do this in three passes
                        for (var i = 0; i < 3; i++)
                        {
                            // Grab the list matching the pass type
                            var lst = restoredb.GetMissingBlockListVolumes(i, m_options.Blocksize, hashsize).ToList();
                            if (lst.Count > 0)
                            {
                                var fullist = ": " + string.Join(", ", lst.Select(x => x.Name));
                                switch (i)
                                {
                                case 0:
                                    Logging.Log.WriteVerboseMessage(LOGTAG, "ProcessingRequiredBlocklistVolumes", "Processing required {0} blocklist volumes{1}", lst.Count, fullist);
                                    Logging.Log.WriteInformationMessage(LOGTAG, "ProcessingRequiredBlocklistVolumes", "Processing required {0} blocklist volumes{1}", lst.Count, m_options.FullResult ? fullist : string.Empty);
                                    break;

                                case 1:
                                    Logging.Log.WriteVerboseMessage(LOGTAG, "ProbingCandicateBlocklistVolumes", "Probing {0} candidate blocklist volumes{1}", lst.Count, fullist);
                                    Logging.Log.WriteInformationMessage(LOGTAG, "ProbingCandicateBlocklistVolumes", "Probing {0} candidate blocklist volumes{1}", lst.Count, m_options.FullResult ? fullist : string.Empty);
                                    break;

                                default:
                                    Logging.Log.WriteVerboseMessage(LOGTAG, "ProcessingAllBlocklistVolumes", "Processing all of the {0} volumes for blocklists{1}", lst.Count, fullist);
                                    Logging.Log.WriteVerboseMessage(LOGTAG, "ProcessingAllBlocklistVolumes", "Processing all of the {0} volumes for blocklists{1}", lst.Count, m_options.FullResult ? fullist : string.Empty);
                                    break;
                                }
                            }

                            var progress = 0;
                            foreach (var sf in new AsyncDownloader(lst, backend))
                            {
                                using (var tmpfile = sf.TempFile)
                                    using (var rd = new BlockVolumeReader(RestoreHandler.GetCompressionModule(sf.Name), tmpfile, m_options))
                                        using (var tr = restoredb.BeginTransaction())
                                        {
                                            if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
                                            {
                                                backend.WaitForComplete(restoredb, null);
                                                m_result.EndTime = DateTime.UtcNow;
                                                return;
                                            }

                                            progress++;
                                            m_result.OperationProgressUpdater.UpdateProgress((((float)progress / lst.Count) * 0.1f) + 0.7f + (i * 0.1f));

                                            var volumeid = restoredb.GetRemoteVolumeID(sf.Name);

                                            restoredb.UpdateRemoteVolume(sf.Name, RemoteVolumeState.Uploaded, sf.Size, sf.Hash, tr);

                                            // Update the block table so we know about the block/volume map
                                            foreach (var h in rd.Blocks)
                                            {
                                                restoredb.UpdateBlock(h.Key, h.Value, volumeid, tr);
                                            }

                                            // Grab all known blocklists from the volume
                                            foreach (var blocklisthash in restoredb.GetBlockLists(volumeid))
                                            {
                                                restoredb.UpdateBlockset(blocklisthash, rd.ReadBlocklist(blocklisthash, hashsize), tr);
                                            }

                                            // Update tables so we know if we are done
                                            restoredb.FindMissingBlocklistHashes(hashsize, m_options.Blocksize, tr);

                                            using (new Logging.Timer(LOGTAG, "CommitRestoredBlocklist", "CommitRestoredBlocklist"))
                                                tr.Commit();

                                            //At this point we can patch files with data from the block volume
                                            if (blockprocessor != null)
                                            {
                                                blockprocessor(sf.Name, rd);
                                            }
                                        }
                            }
                        }
                    }

                    backend.WaitForComplete(restoredb, null);

                    if (m_options.RepairOnlyPaths)
                    {
                        Logging.Log.WriteInformationMessage(LOGTAG, "RecreateOrUpdateOnly", "Recreate/path-update completed, not running consistency checks");
                    }
                    else
                    {
                        Logging.Log.WriteInformationMessage(LOGTAG, "RecreateCompletedCheckingDatabase", "Recreate completed, verifying the database consistency");

                        //All done, we must verify that we have all blocklist fully intact
                        // if this fails, the db will not be deleted, so it can be used,
                        // except to continue a backup
                        m_result.EndTime = DateTime.UtcNow;

                        using (var lbfdb = new LocalListBrokenFilesDatabase(restoredb))
                        {
                            var broken = lbfdb.GetBrokenFilesets(new DateTime(0), null, null).Count();
                            if (broken != 0)
                            {
                                throw new UserInformationException(string.Format("Recreated database has missing blocks and {0} broken filelists. Consider using \"{1}\" and \"{2}\" to purge broken data from the remote store and the database.", broken, "list-broken-files", "purge-broken-files"), "DatabaseIsBrokenConsiderPurge");
                            }
                        }

                        restoredb.VerifyConsistency(m_options.Blocksize, m_options.BlockhashSize, true, null);

                        Logging.Log.WriteInformationMessage(LOGTAG, "RecreateCompleted", "Recreate completed, and consistency checks completed, marking database as complete");

                        restoredb.RepairInProgress = false;
                    }

                    m_result.EndTime = DateTime.UtcNow;
                }
        }
コード例 #6
0
        public void Run(IEnumerable <string> filterstrings = null, Library.Utility.IFilter compositefilter = null)
        {
            var parsedfilter = new Library.Utility.FilterExpression(filterstrings);
            var simpleList   = !(parsedfilter.Type == Library.Utility.FilterType.Simple || m_options.AllVersions);
            var filter       = Library.Utility.JoinedFilterExpression.Join(parsedfilter, compositefilter);

            //Use a speedy local query
            if (!m_options.NoLocalDb && System.IO.File.Exists(m_options.Dbpath))
            {
                using (var db = new Database.LocalListDatabase(m_options.Dbpath))
                {
                    m_result.SetDatabase(db);
                    using (var filesets = db.SelectFileSets(m_options.Time, m_options.Version))
                    {
                        if (parsedfilter.Type != Library.Utility.FilterType.Empty)
                        {
                            if (simpleList || (m_options.ListFolderContents && !m_options.AllVersions))
                            {
                                filesets.TakeFirst();
                            }
                        }

                        IEnumerable <Database.LocalListDatabase.IFileversion> files;
                        if (m_options.ListFolderContents)
                        {
                            files = filesets.SelectFolderContents(filter);
                        }
                        else if (m_options.ListPrefixOnly)
                        {
                            files = filesets.GetLargestPrefix(filter);
                        }
                        else if (parsedfilter.Type == Duplicati.Library.Utility.FilterType.Empty)
                        {
                            files = null;
                        }
                        else
                        {
                            files = filesets.SelectFiles(filter);
                        }

                        if (m_options.ListSetsOnly)
                        {
                            m_result.SetResult(
                                filesets.QuickSets.Select(x => new ListResultFileset(x.Version, x.Time, x.FileCount, x.FileSizes)).ToArray(),
                                null
                                );
                        }
                        else
                        {
                            m_result.SetResult(
                                filesets.Sets.Select(x => new ListResultFileset(x.Version, x.Time, x.FileCount, x.FileSizes)).ToArray(),
                                files == null ? null :
                                (from n in files
                                 select(Duplicati.Library.Interface.IListResultFile)(new ListResultFile(n.Path, n.Sizes.ToArray())))
                                .ToArray()
                                );
                        }


                        return;
                    }
                }
            }

            m_result.AddMessage("No local database, accessing remote store");

            //TODO: Add prefix and foldercontents
            if (m_options.ListFolderContents)
            {
                throw new Exception("Listing folder contents is not supported without a local database, consider using the \"repair\" option to rebuild the database.");
            }
            else if (m_options.ListPrefixOnly)
            {
                throw new Exception("Listing prefixes is not supported without a local database, consider using the \"repair\" option to rebuild the database.");
            }

            // Otherwise, grab info from remote location
            using (var tmpdb = new Library.Utility.TempFile())
                using (var db = new Database.LocalDatabase(tmpdb, "List", true))
                    using (var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, db))
                    {
                        m_result.SetDatabase(db);

                        var filteredList = ParseAndFilterFilesets(backend.List(), m_options);
                        if (filteredList.Count == 0)
                        {
                            throw new Exception("No filesets found on remote target");
                        }

                        var numberSeq = CreateResultSequence(filteredList);
                        if (parsedfilter.Type == Library.Utility.FilterType.Empty)
                        {
                            m_result.SetResult(numberSeq, null);
                            m_result.EncryptedFiles = filteredList.Any(x => !string.IsNullOrWhiteSpace(x.Value.EncryptionModule));
                            return;
                        }

                        var firstEntry = filteredList[0].Value;
                        filteredList.RemoveAt(0);
                        Dictionary <string, List <long> > res;

                        if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
                        {
                            return;
                        }

                        using (var tmpfile = backend.Get(firstEntry.File.Name, firstEntry.File.Size, null))
                            using (var rd = new Volumes.FilesetVolumeReader(RestoreHandler.GetCompressionModule(firstEntry.File.Name), tmpfile, m_options))
                                if (simpleList)
                                {
                                    m_result.SetResult(
                                        numberSeq.Take(1),
                                        (from n in rd.Files
                                         where Library.Utility.FilterExpression.Matches(filter, n.Path)
                                         orderby n.Path
                                         select new ListResultFile(n.Path, new long[] { n.Size }))
                                        .ToArray()
                                        );

                                    return;
                                }
                                else
                                {
                                    res = rd.Files
                                          .Where(x => Library.Utility.FilterExpression.Matches(filter, x.Path))
                                          .ToDictionary(
                                        x => x.Path,
                                        y =>
                                    {
                                        var lst = new List <long>();
                                        lst.Add(y.Size);
                                        return(lst);
                                    },
                                        Library.Utility.Utility.ClientFilenameStringComparer
                                        );
                                }

                        long flindex = 1;
                        foreach (var flentry in filteredList)
                        {
                            using (var tmpfile = backend.Get(flentry.Value.File.Name, flentry.Value.File == null ? -1 : flentry.Value.File.Size, null))
                                using (var rd = new Volumes.FilesetVolumeReader(flentry.Value.CompressionModule, tmpfile, m_options))
                                {
                                    if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
                                    {
                                        return;
                                    }

                                    foreach (var p in from n in rd.Files where Library.Utility.FilterExpression.Matches(filter, n.Path) select n)
                                    {
                                        List <long> lst;
                                        if (!res.TryGetValue(p.Path, out lst))
                                        {
                                            lst         = new List <long>();
                                            res[p.Path] = lst;
                                            for (var i = 0; i < flindex; i++)
                                            {
                                                lst.Add(-1);
                                            }
                                        }

                                        lst.Add(p.Size);
                                    }

                                    foreach (var n in from i in res where i.Value.Count < flindex + 1 select i)
                                    {
                                        n.Value.Add(-1);
                                    }

                                    flindex++;
                                }
                        }

                        m_result.SetResult(
                            numberSeq,
                            from n in res
                            orderby n.Key
                            select(Duplicati.Library.Interface.IListResultFile)(new ListResultFile(n.Key, n.Value))
                            );
                    }
        }
コード例 #7
0
        public void Run(IEnumerable <string> filterstrings = null, Library.Utility.IFilter compositefilter = null)
        {
            using (var tmpdb = new Library.Utility.TempFile())
                using (var db = new Database.LocalDatabase(System.IO.File.Exists(m_options.Dbpath) ? m_options.Dbpath : (string)tmpdb, "ListControlFiles", true))
                    using (var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, db))
                    {
                        m_result.SetDatabase(db);

                        var filter = Library.Utility.JoinedFilterExpression.Join(new Library.Utility.FilterExpression(filterstrings), compositefilter);

                        try
                        {
                            var filteredList = ListFilesHandler.ParseAndFilterFilesets(backend.List(), m_options);
                            if (filteredList.Count == 0)
                            {
                                throw new Exception("No filesets found on remote target");
                            }

                            Exception lastEx = new Exception("No suitable files found on remote target");

                            foreach (var fileversion in filteredList)
                            {
                                try
                                {
                                    if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
                                    {
                                        return;
                                    }

                                    var file  = fileversion.Value.File;
                                    var entry = db.GetRemoteVolume(file.Name);

                                    var files = new List <Library.Interface.IListResultFile>();
                                    using (var tmpfile = backend.Get(file.Name, entry.Size < 0 ? file.Size : entry.Size, entry.Hash))
                                        using (var tmp = new Volumes.FilesetVolumeReader(RestoreHandler.GetCompressionModule(file.Name), tmpfile, m_options))
                                            foreach (var cf in tmp.ControlFiles)
                                            {
                                                if (Library.Utility.FilterExpression.Matches(filter, cf.Key))
                                                {
                                                    files.Add(new ListResultFile(cf.Key, null));
                                                }
                                            }

                                    m_result.SetResult(new Library.Interface.IListResultFileset[] { new ListResultFileset(fileversion.Key, LocalDatabase.BackupType.PARTIAL_BACKUP, fileversion.Value.Time, -1, -1) }, files);
                                    lastEx = null;
                                    break;
                                }
                                catch (Exception ex)
                                {
                                    lastEx = ex;
                                    if (ex is System.Threading.ThreadAbortException)
                                    {
                                        throw;
                                    }
                                }
                            }

                            if (lastEx != null)
                            {
                                throw lastEx;
                            }
                        }
                        finally
                        {
                            backend.WaitForComplete(db, null);
                        }
                    }
        }
コード例 #8
0
        /// <summary>
        /// Run the recreate procedure
        /// </summary>
        /// <param name="path">Path to the database that will be created</param>
        /// <param name="filelistfilter">A filter that can be used to disregard certain remote files, intended to be used to select a certain filelist</param>
        /// <param name="filenamefilter">Filters the files in a filelist to prevent downloading unwanted data</param>
        /// <param name="blockprocessor">A callback hook that can be used to work with downloaded block volumes, intended to be use to recover data blocks while processing blocklists</param>
        internal void DoRun(LocalDatabase dbparent, Library.Utility.IFilter filter = null, NumberedFilterFilelistDelegate filelistfilter = null, BlockVolumePostProcessor blockprocessor = null)
        {
            var hashalg = System.Security.Cryptography.HashAlgorithm.Create(m_options.BlockHashAlgorithm);

            if (hashalg == null)
            {
                throw new Exception(Strings.Foresthash.InvalidHashAlgorithm(m_options.BlockHashAlgorithm));
            }
            var hashsize = hashalg.HashSize / 8;

            m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Recreate_Running);

            //We build a local database in steps.
            using (var restoredb = new LocalRecreateDatabase(dbparent, m_options))
                using (var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, restoredb))
                {
                    var volumeIds = new Dictionary <string, long>();

                    var rawlist = backend.List();

                    //First step is to examine the remote storage to see what
                    // kind of data we can find
                    var remotefiles =
                        (from x in rawlist
                         let n = VolumeBase.ParseFilename(x)
                                 where
                                 n != null
                                 &&
                                 n.Prefix == m_options.Prefix
                                 select n).ToArray(); //ToArray() ensures that we do not remote-request it multiple times

                    if (remotefiles.Length == 0)
                    {
                        if (rawlist.Count == 0)
                        {
                            throw new Exception("No files were found at the remote location, perhaps the target url is incorrect?");
                        }
                        else
                        {
                            var tmp =
                                (from x in rawlist
                                 let n = VolumeBase.ParseFilename(x)
                                         where
                                         n != null
                                         select n.Prefix).ToArray();

                            var types = tmp.Distinct().ToArray();
                            if (tmp.Length == 0)
                            {
                                throw new Exception(string.Format("Found {0} files at the remote storage, but none that could be parsed", rawlist.Count));
                            }
                            else if (types.Length == 1)
                            {
                                throw new Exception(string.Format("Found {0} parse-able files with the prefix {1}, did you forget to set the backup-prefix?", tmp.Length, types[0]));
                            }
                            else
                            {
                                throw new Exception(string.Format("Found {0} parse-able files (of {1} files) with different prefixes: {2}, did you forget to set the backup-prefix?", tmp.Length, rawlist.Count, string.Join(", ", types)));
                            }
                        }
                    }

                    //Then we select the filelist we should work with,
                    // and create the filelist table to fit
                    IEnumerable <IParsedVolume> filelists =
                        from n in remotefiles
                        where n.FileType == RemoteVolumeType.Files
                        orderby n.Time descending
                        select n;

                    if (filelistfilter != null)
                    {
                        filelists = filelistfilter(filelists).Select(x => x.Value).ToArray();
                    }

                    foreach (var fl in remotefiles)
                    {
                        volumeIds[fl.File.Name] = restoredb.RegisterRemoteVolume(fl.File.Name, fl.FileType, RemoteVolumeState.Uploaded);
                    }


                    //Record all blocksets and files needed
                    using (var tr = restoredb.BeginTransaction())
                    {
                        var filelistWork = (from n in filelists orderby n.Time select new RemoteVolume(n.File) as IRemoteVolume).ToList();
                        var progress     = 0;

                        foreach (var entry in new AsyncDownloader(filelistWork, backend))
                        {
                            try
                            {
                                if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
                                {
                                    backend.WaitForComplete(restoredb, null);
                                    return;
                                }

                                progress++;
                                m_result.OperationProgressUpdater.UpdateProgress(((float)progress / filelistWork.Count()) * 0.2f);

                                using (var tmpfile = entry.TempFile)
                                {
                                    if (entry.Hash != null && entry.Size > 0)
                                    {
                                        restoredb.UpdateRemoteVolume(entry.Name, RemoteVolumeState.Verified, entry.Size, entry.Hash, tr);
                                    }

                                    var parsed = VolumeBase.ParseFilename(entry.Name);
                                    // Create timestamped operations based on the file timestamp
                                    var filesetid = restoredb.CreateFileset(volumeIds[entry.Name], parsed.Time, tr);
                                    using (var filelistreader = new FilesetVolumeReader(parsed.CompressionModule, tmpfile, m_options))
                                        foreach (var fe in filelistreader.Files.Where(x => Library.Utility.FilterExpression.Matches(filter, x.Path)))
                                        {
                                            try
                                            {
                                                if (fe.Type == FilelistEntryType.Folder)
                                                {
                                                    restoredb.AddDirectoryEntry(filesetid, fe.Path, fe.Time, fe.Metahash, fe.Metahash == null ? -1 : fe.Metasize, tr);
                                                }
                                                else if (fe.Type == FilelistEntryType.File)
                                                {
                                                    var blocksetid = restoredb.AddBlockset(fe.Hash, fe.Size, fe.BlocklistHashes, tr);
                                                    restoredb.AddFileEntry(filesetid, fe.Path, fe.Time, blocksetid, fe.Metahash, fe.Metahash == null ? -1 : fe.Metasize, tr);
                                                }
                                                else if (fe.Type == FilelistEntryType.Symlink)
                                                {
                                                    restoredb.AddSymlinkEntry(filesetid, fe.Path, fe.Time, fe.Metahash, fe.Metahash == null ? -1 : fe.Metasize, tr);
                                                }
                                                else
                                                {
                                                    m_result.AddWarning(string.Format("Skipping file-entry with unknown type {0}: {1} ", fe.Type, fe.Path), null);
                                                }
                                            }
                                            catch (Exception ex)
                                            {
                                                m_result.AddWarning(string.Format("Failed to process file-entry: {0}", fe.Path), ex);
                                            }
                                        }
                                }
                            }
                            catch (Exception ex)
                            {
                                m_result.AddWarning(string.Format("Failed to process file: {0}", entry.Name), ex);
                                if (ex is System.Threading.ThreadAbortException)
                                {
                                    throw;
                                }
                            }
                        }

                        using (new Logging.Timer("CommitUpdateFilesetFromRemote"))
                            tr.Commit();
                    }

                    //Grab all index files, and update the block table
                    using (var tr = restoredb.BeginTransaction())
                    {
                        var indexfiles = (
                            from n in remotefiles
                            where n.FileType == RemoteVolumeType.Index
                            select new RemoteVolume(n.File) as IRemoteVolume).ToList();

                        var progress = 0;

                        foreach (var sf in new AsyncDownloader(indexfiles, backend))
                        {
                            try
                            {
                                if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
                                {
                                    backend.WaitForComplete(restoredb, null);
                                    return;
                                }

                                progress++;
                                m_result.OperationProgressUpdater.UpdateProgress((((float)progress / indexfiles.Count) * 0.5f) + 0.2f);

                                using (var tmpfile = sf.TempFile)
                                {
                                    if (sf.Hash != null && sf.Size > 0)
                                    {
                                        restoredb.UpdateRemoteVolume(sf.Name, RemoteVolumeState.Verified, sf.Size, sf.Hash, tr);
                                    }

                                    using (var svr = new IndexVolumeReader(RestoreHandler.GetCompressionModule(sf.Name), tmpfile, m_options, hashsize))
                                    {
                                        Utility.VerifyParameters(restoredb, m_options);

                                        foreach (var a in svr.Volumes)
                                        {
                                            var volumeID = restoredb.GetRemoteVolumeID(a.Filename);
                                            //Add all block/volume mappings
                                            foreach (var b in a.Blocks)
                                            {
                                                restoredb.UpdateBlock(b.Key, b.Value, volumeID, tr);
                                            }

                                            restoredb.UpdateRemoteVolume(a.Filename, RemoteVolumeState.Verified, a.Length, a.Hash, tr);
                                            restoredb.AddIndexBlockLink(restoredb.GetRemoteVolumeID(sf.Name), volumeID, tr);
                                        }

                                        //If there are blocklists in the index file, update the blocklists
                                        foreach (var b in svr.BlockLists)
                                        {
                                            restoredb.UpdateBlockset(b.Hash, b.Blocklist, tr);
                                        }
                                    }
                                }
                            }
                            catch (Exception ex)
                            {
                                //Not fatal
                                m_result.AddWarning(string.Format("Failed to process index file: {0}", sf.Name), ex);
                                if (ex is System.Threading.ThreadAbortException)
                                {
                                    throw;
                                }
                            }
                        }

                        using (new Logging.Timer("CommitRecreatedDb"))
                            tr.Commit();

                        // TODO: In some cases, we can avoid downloading all index files,
                        // if we are lucky and pick the right ones
                    }

                    // We have now grabbed as much information as possible,
                    // if we are still missing data, we must now fetch block files
                    restoredb.FindMissingBlocklistHashes(hashsize, null);

                    //We do this in three passes
                    for (var i = 0; i < 3; i++)
                    {
                        // Grab the list matching the pass type
                        var lst = restoredb.GetMissingBlockListVolumes(i).ToList();
                        if (lst.Count > 0)
                        {
                            switch (i)
                            {
                            case 0:
                                if (m_options.Verbose)
                                {
                                    m_result.AddVerboseMessage("Processing required {0} blocklist volumes: {1}", lst.Count, string.Join(", ", lst.Select(x => x.Name)));
                                }
                                else
                                {
                                    m_result.AddMessage(string.Format("Processing required {0} blocklist volumes", lst.Count));
                                }
                                break;

                            case 1:
                                if (m_options.Verbose)
                                {
                                    m_result.AddVerboseMessage("Probing {0} candidate blocklist volumes: {1}", lst.Count, string.Join(", ", lst.Select(x => x.Name)));
                                }
                                else
                                {
                                    m_result.AddMessage(string.Format("Probing {0} candidate blocklist volumes", lst.Count));
                                }
                                break;

                            default:
                                if (m_options.Verbose)
                                {
                                    m_result.AddVerboseMessage("Processing all of the {0} volumes for blocklists: {1}", lst.Count, string.Join(", ", lst.Select(x => x.Name)));
                                }
                                else
                                {
                                    m_result.AddMessage(string.Format("Processing all of the {0} volumes for blocklists", lst.Count));
                                }
                                break;
                            }
                        }

                        var progress = 0;
                        foreach (var sf in new AsyncDownloader(lst, backend))
                        {
                            using (var tmpfile = sf.TempFile)
                                using (var rd = new BlockVolumeReader(RestoreHandler.GetCompressionModule(sf.Name), tmpfile, m_options))
                                    using (var tr = restoredb.BeginTransaction())
                                    {
                                        if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
                                        {
                                            backend.WaitForComplete(restoredb, null);
                                            return;
                                        }

                                        progress++;
                                        m_result.OperationProgressUpdater.UpdateProgress((((float)progress / lst.Count) * 0.1f) + 0.7f + (i * 0.1f));

                                        var volumeid = restoredb.GetRemoteVolumeID(sf.Name);

                                        restoredb.UpdateRemoteVolume(sf.Name, RemoteVolumeState.Uploaded, sf.Size, sf.Hash, tr);

                                        // Update the block table so we know about the block/volume map
                                        foreach (var h in rd.Blocks)
                                        {
                                            restoredb.UpdateBlock(h.Key, h.Value, volumeid, tr);
                                        }

                                        // Grab all known blocklists from the volume
                                        foreach (var blocklisthash in restoredb.GetBlockLists(volumeid))
                                        {
                                            restoredb.UpdateBlockset(blocklisthash, rd.ReadBlocklist(blocklisthash, hashsize), tr);
                                        }

                                        // Update tables so we know if we are done
                                        restoredb.FindMissingBlocklistHashes(hashsize, tr);

                                        using (new Logging.Timer("CommitRestoredBlocklist"))
                                            tr.Commit();

                                        //At this point we can patch files with data from the block volume
                                        if (blockprocessor != null)
                                        {
                                            blockprocessor(sf.Name, rd);
                                        }
                                    }
                        }
                    }

                    backend.WaitForComplete(restoredb, null);

                    //All done, we must verify that we have all blocklist fully intact
                    // if this fails, the db will not be deleted, so it can be used,
                    // except to continue a backup
                    restoredb.VerifyConsistency(null, m_options.Blocksize, m_options.BlockhashSize);
                }
        }
コード例 #9
0
ファイル: ListChangesHandler.cs プロジェクト: wuwx/duplicati
        public void Run(string baseVersion, string compareVersion, IEnumerable <string> filterstrings = null, Library.Utility.IFilter compositefilter = null, Action <IListChangesResults, IEnumerable <Tuple <Library.Interface.ListChangesChangeType, Library.Interface.ListChangesElementType, string> > > callback = null)
        {
            var filter = Library.Utility.JoinedFilterExpression.Join(new Library.Utility.FilterExpression(filterstrings), compositefilter);

            var useLocalDb = !m_options.NoLocalDb && System.IO.File.Exists(m_options.Dbpath);

            baseVersion    = string.IsNullOrEmpty(baseVersion) ? "1" : baseVersion;
            compareVersion = string.IsNullOrEmpty(compareVersion) ? "0" : compareVersion;

            long baseVersionIndex    = -1;
            long compareVersionIndex = -1;

            DateTime baseVersionTime    = new DateTime(0);
            DateTime compareVersionTime = new DateTime(0);

            using (var tmpdb = useLocalDb ? null : new Library.Utility.TempFile())
                using (var db = new Database.LocalListChangesDatabase(useLocalDb ? m_options.Dbpath : (string)tmpdb))
                    using (var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, db))
                        using (var storageKeeper = db.CreateStorageHelper())
                        {
                            m_result.SetDatabase(db);

                            if (useLocalDb)
                            {
                                var dbtimes = db.FilesetTimes.ToList();
                                if (dbtimes.Count < 2)
                                {
                                    throw new UserInformationException(string.Format("Need at least two backups to show differences, database contains {0} backups", dbtimes.Count), "NeedTwoBackupsToStartDiff");
                                }

                                long baseVersionId;
                                long compareVersionId;

                                var times = dbtimes.Zip(Enumerable.Range(0, dbtimes.Count), (a, b) => new Tuple <long, DateTime, long>(b, a.Value, a.Key)).ToList();
                                var bt    = SelectTime(baseVersion, times, out baseVersionIndex, out baseVersionTime, out baseVersionId);
                                times.Remove(bt);
                                SelectTime(compareVersion, times, out compareVersionIndex, out compareVersionTime, out compareVersionId);

                                storageKeeper.AddFromDb(baseVersionId, false, filter);
                                storageKeeper.AddFromDb(compareVersionId, true, filter);
                            }
                            else
                            {
                                Logging.Log.WriteInformationMessage(LOGTAG, "NoLocalDatabase", "No local database, accessing remote store");

                                var parsedlist = (from n in backend.List()
                                                  let p = Volumes.VolumeBase.ParseFilename(n)
                                                          where p != null && p.FileType == RemoteVolumeType.Files
                                                          orderby p.Time descending
                                                          select p).ToArray();

                                var numberedList = parsedlist.Zip(Enumerable.Range(0, parsedlist.Length), (a, b) => new Tuple <long, DateTime, Volumes.IParsedVolume>(b, a.Time, a)).ToList();
                                if (numberedList.Count < 2)
                                {
                                    throw new UserInformationException(string.Format("Need at least two backups to show differences, database contains {0} backups", numberedList.Count), "NeedTwoBackupsToStartDiff");
                                }

                                Volumes.IParsedVolume baseFile;
                                Volumes.IParsedVolume compareFile;

                                var bt = SelectTime(baseVersion, numberedList, out baseVersionIndex, out baseVersionTime, out baseFile);
                                numberedList.Remove(bt);
                                SelectTime(compareVersion, numberedList, out compareVersionIndex, out compareVersionTime, out compareFile);

                                Func <FilelistEntryType, Library.Interface.ListChangesElementType> conv = (x) => {
                                    switch (x)
                                    {
                                    case FilelistEntryType.File:
                                        return(Library.Interface.ListChangesElementType.File);

                                    case FilelistEntryType.Folder:
                                        return(Library.Interface.ListChangesElementType.Folder);

                                    case FilelistEntryType.Symlink:
                                        return(Library.Interface.ListChangesElementType.Symlink);

                                    default:
                                        return((Library.Interface.ListChangesElementType)(-1));
                                    }
                                };

                                if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
                                {
                                    return;
                                }

                                using (var tmpfile = backend.Get(baseFile.File.Name, baseFile.File.Size, null))
                                    using (var rd = new Volumes.FilesetVolumeReader(RestoreHandler.GetCompressionModule(baseFile.File.Name), tmpfile, m_options))
                                        foreach (var f in rd.Files)
                                        {
                                            if (Library.Utility.FilterExpression.Matches(filter, f.Path))
                                            {
                                                storageKeeper.AddElement(f.Path, f.Hash, f.Metahash, f.Size, conv(f.Type), false);
                                            }
                                        }

                                if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
                                {
                                    return;
                                }

                                using (var tmpfile = backend.Get(compareFile.File.Name, compareFile.File.Size, null))
                                    using (var rd = new Volumes.FilesetVolumeReader(RestoreHandler.GetCompressionModule(compareFile.File.Name), tmpfile, m_options))
                                        foreach (var f in rd.Files)
                                        {
                                            if (Library.Utility.FilterExpression.Matches(filter, f.Path))
                                            {
                                                storageKeeper.AddElement(f.Path, f.Hash, f.Metahash, f.Size, conv(f.Type), true);
                                            }
                                        }
                            }

                            var changes = storageKeeper.CreateChangeCountReport();
                            var sizes   = storageKeeper.CreateChangeSizeReport();

                            var lst = (m_options.FullResult || callback != null) ?
                                      (from n in storageKeeper.CreateChangedFileReport()
                                       select n) : null;

                            m_result.SetResult(
                                baseVersionTime, baseVersionIndex, compareVersionTime, compareVersionIndex,
                                changes.AddedFolders, changes.AddedSymlinks, changes.AddedFiles,
                                changes.DeletedFolders, changes.DeletedSymlinks, changes.DeletedFiles,
                                changes.ModifiedFolders, changes.ModifiedSymlinks, changes.ModifiedFiles,
                                sizes.AddedSize, sizes.DeletedSize, sizes.PreviousSize, sizes.CurrentSize,
                                (lst == null || callback == null) ? null : lst.ToArray()
                                );

                            if (callback != null)
                            {
                                callback(m_result, lst);
                            }

                            return;
                        }
        }
コード例 #10
0
        public void Run(IEnumerable <string> filterstrings = null, Library.Utility.IFilter compositefilter = null)
        {
            if (string.IsNullOrEmpty(m_options.Restorepath))
            {
                throw new Exception("Cannot restore control files without --restore-path");
            }
            if (!System.IO.Directory.Exists(m_options.Restorepath))
            {
                System.IO.Directory.CreateDirectory(m_options.Restorepath);
            }

            using (var tmpdb = new Library.Utility.TempFile())
                using (var db = new Database.LocalDatabase(System.IO.File.Exists(m_options.Dbpath) ? m_options.Dbpath : (string)tmpdb, "RestoreControlFiles"))
                    using (var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, db))
                    {
                        m_result.SetDatabase(db);

                        var filter = Library.Utility.JoinedFilterExpression.Join(new Library.Utility.FilterExpression(filterstrings), compositefilter);

                        try
                        {
                            var filteredList = ListFilesHandler.ParseAndFilterFilesets(backend.List(), m_options);
                            if (filteredList.Count == 0)
                            {
                                throw new Exception("No filesets found on remote target");
                            }

                            Exception lastEx = new Exception("No suitable files found on remote target");

                            foreach (var fileversion in filteredList)
                            {
                                try
                                {
                                    if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
                                    {
                                        backend.WaitForComplete(db, null);
                                        return;
                                    }

                                    var               file = fileversion.Value.File;
                                    long              size;
                                    string            hash;
                                    RemoteVolumeType  type;
                                    RemoteVolumeState state;
                                    if (!db.GetRemoteVolume(file.Name, out hash, out size, out type, out state))
                                    {
                                        size = file.Size;
                                    }

                                    var res = new List <string>();
                                    using (var tmpfile = backend.Get(file.Name, size, hash))
                                        using (var tmp = new Volumes.FilesetVolumeReader(RestoreHandler.GetCompressionModule(file.Name), tmpfile, m_options))
                                            foreach (var cf in tmp.ControlFiles)
                                            {
                                                if (Library.Utility.FilterExpression.Matches(filter, cf.Key))
                                                {
                                                    var targetpath = System.IO.Path.Combine(m_options.Restorepath, cf.Key);
                                                    using (var ts = System.IO.File.Create(targetpath))
                                                        Library.Utility.Utility.CopyStream(cf.Value, ts);
                                                    res.Add(targetpath);
                                                }
                                            }

                                    m_result.SetResult(res);

                                    lastEx = null;
                                    break;
                                }
                                catch (Exception ex)
                                {
                                    lastEx = ex;
                                    if (ex is System.Threading.ThreadAbortException)
                                    {
                                        throw;
                                    }
                                }
                            }

                            if (lastEx != null)
                            {
                                throw lastEx;
                            }
                        }
                        finally
                        {
                            backend.WaitForComplete(db, null);
                        }

                        db.WriteResults();
                    }
        }