Esempio n. 1
0
        /// <summary>
        /// Constructs a new BackendWrapper
        /// </summary>
        /// <param name="statistics">The statistics logging module, may be null</param>
        /// <param name="backend">The url to the backend to wrap</param>
        /// <param name="options">A set of backend options</param>
        public BackendWrapper(CommunicationStatistics statistics, string backend, Options options)
        {
            m_statistics = statistics;
            m_options = options;

            m_filenamestrategy = new FilenameStrategy(m_options);
            m_backendUrl = backend;

            m_backend = Duplicati.Library.DynamicLoader.BackendLoader.GetBackend(backend, m_options.RawOptions);
            if (m_backend == null)
                throw new Exception(string.Format(Strings.BackendWrapper.BackendNotFoundError, backend));

            m_reuse_backend = !m_options.NoConnectionReuse;
            m_first_backend_use = true;
            m_backendSupportsCreateFolder = m_backend is Library.Interface.IBackend_v2;

            if (m_options.AutoCleanup)
                m_orphans = new List<BackupEntryBase>();

            if (!string.IsNullOrEmpty(m_options.SignatureCachePath) && !System.IO.Directory.Exists(m_options.SignatureCachePath))
                System.IO.Directory.CreateDirectory(m_options.SignatureCachePath);

            if (!string.IsNullOrEmpty(m_options.Backendlogdatabase))
            {
                m_backendInterfaceLogger = new StateVerification.StateDatabase(m_options.Backendlogdatabase, statistics);
                m_backendInterfaceLogger.BeginOperation(m_options.MainAction.ToString());
            }

            m_async = m_options.AsynchronousUpload;
            if (m_async)
            {
                //If we are using async operations, the entire class is actually threadsafe,
                //utilizing a common exclusive lock on all operations. But the implementation does
                //not prevent starvation, so it should not be called by multiple threads.
                m_pendingOperations = new Queue<KeyValuePair<BackupEntryBase, string>>();
                m_asyncItemProcessed = new System.Threading.AutoResetEvent(false);
                m_asyncItemReady = new System.Threading.AutoResetEvent(false);
                m_workerThread = new System.Threading.Thread(ProcessQueue);
                m_workerThread.Name = "AsyncUploaderThread";
                m_queuelock = new object();
                m_workerThread.Start();
            }
        }
Esempio n. 2
0
        /// <summary>
        /// This function will examine all options passed on the commandline, and test for unsupported or deprecated values.
        /// Any errors will be logged into the statistics module.
        /// </summary>
        /// <param name="options">The commandline options given</param>
        /// <param name="backend">The backend url</param>
        /// <param name="stats">The statistics into which warnings are written</param>
        private void ValidateOptions(CommunicationStatistics stats)
        {
            //No point in going through with this if we can't report
            if (stats == null)
                return;

            //Keep a list of all supplied options
            Dictionary<string, string> ropts = m_options.RawOptions;

            //Keep a list of all supported options
            Dictionary<string, Library.Interface.ICommandLineArgument> supportedOptions = new Dictionary<string, Library.Interface.ICommandLineArgument>();

            //There are a few internal options that are not accessible from outside, and thus not listed
            foreach (string s in Options.InternalOptions)
                supportedOptions[s] = null;

            //Figure out what module options are supported in the current setup
            List<Library.Interface.ICommandLineArgument> moduleOptions = new List<Duplicati.Library.Interface.ICommandLineArgument>();
            Dictionary<string, string> disabledModuleOptions = new Dictionary<string, string>();

            foreach (KeyValuePair<bool, Library.Interface.IGenericModule> m in m_options.LoadedModules)
                if (m.Value.SupportedCommands != null)
                    if (m.Key)
                        moduleOptions.AddRange(m.Value.SupportedCommands);
                    else
                    {
                        foreach (Library.Interface.ICommandLineArgument c in m.Value.SupportedCommands)
                        {
                            disabledModuleOptions[c.Name] = m.Value.DisplayName + " (" + m.Value.Key + ")";

                            if (c.Aliases != null)
                                foreach (string s in c.Aliases)
                                    disabledModuleOptions[s] = disabledModuleOptions[c.Name];
                        }
                    }

            //Now run through all supported options, and look for deprecated options
            foreach (IList<Library.Interface.ICommandLineArgument> l in new IList<Library.Interface.ICommandLineArgument>[] {
                m_options.SupportedCommands,
                DynamicLoader.BackendLoader.GetSupportedCommands(m_backend),
                m_options.NoEncryption ? null : DynamicLoader.EncryptionLoader.GetSupportedCommands(m_options.EncryptionModule),
                moduleOptions,
                DynamicLoader.CompressionLoader.GetSupportedCommands(m_options.CompressionModule) })
            {
                if (l != null)
                    foreach (Library.Interface.ICommandLineArgument a in l)
                    {
                        if (supportedOptions.ContainsKey(a.Name) && Array.IndexOf(Options.KnownDuplicates, a.Name.ToLower()) < 0)
                            stats.LogWarning(string.Format(Strings.Interface.DuplicateOptionNameWarning, a.Name), null);

                        supportedOptions[a.Name] = a;

                        if (a.Aliases != null)
                            foreach (string s in a.Aliases)
                            {
                                if (supportedOptions.ContainsKey(s) && Array.IndexOf(Options.KnownDuplicates, s.ToLower()) < 0)
                                    stats.LogWarning(string.Format(Strings.Interface.DuplicateOptionNameWarning, s), null);

                                supportedOptions[s] = a;
                            }

                        if (a.Deprecated)
                        {
                            List<string> aliases = new List<string>();
                            aliases.Add(a.Name);
                            if (a.Aliases != null)
                                aliases.AddRange(a.Aliases);

                            foreach (string s in aliases)
                                if (ropts.ContainsKey(s))
                                {
                                    string optname = a.Name;
                                    if (a.Name != s)
                                        optname += " (" + s + ")";

                                    stats.LogWarning(string.Format(Strings.Interface.DeprecatedOptionUsedWarning, optname, a.DeprecationMessage), null);
                                }

                        }
                    }
            }

            //Now look for options that were supplied but not supported
            foreach (string s in ropts.Keys)
                if (!supportedOptions.ContainsKey(s))
                    if (disabledModuleOptions.ContainsKey(s))
                        stats.LogWarning(string.Format(Strings.Interface.UnsupportedOptionDisabledModuleWarning, s, disabledModuleOptions[s]), null);
                    else
                        stats.LogWarning(string.Format(Strings.Interface.UnsupportedOptionWarning, s), null);

            //Look at the value supplied for each argument and see if is valid according to its type
            foreach (string s in ropts.Keys)
            {
                Library.Interface.ICommandLineArgument arg;
                if (supportedOptions.TryGetValue(s, out arg) && arg != null)
                {
                    string validationMessage = ValidateOptionValue(arg, s, ropts[s]);
                    if (validationMessage != null)
                        stats.LogWarning(validationMessage, null);
                }
            }

            //TODO: Based on the action, see if all options are relevant
        }
Esempio n. 3
0
        public string Cleanup()
        {
            CommunicationStatistics stats = new CommunicationStatistics(DuplicatiOperationMode.CleanUp);
            SetupCommonOptions(stats);

            bool anyRemoved = false;
            StringBuilder sb = new StringBuilder();
            using (BackendWrapper backend = new BackendWrapper(stats, m_backend, m_options))
            {
                List<ManifestEntry> sorted = backend.GetBackupSets();

                List<ManifestEntry> entries = new List<ManifestEntry>();
                entries.AddRange(sorted);
                foreach (ManifestEntry be in sorted)
                    entries.AddRange(be.Incrementals);

                string cleanup = backend.DeleteOrphans(false);
                if (!string.IsNullOrEmpty(cleanup))
                    sb.AppendLine(cleanup);

                if (m_options.SkipFileHashChecks)
                    throw new Exception(Strings.Interface.CannotCleanWithoutHashesError);
                if (m_options.DontReadManifests)
                    throw new Exception(Strings.Interface.CannotCleanWithoutHashesError);

                //We need the manifests anyway, so we verify the chain
                if (entries.Count > 0)
                    VerifyManifestChain(backend, entries[0]);

                //Now compare the actual filelist with the manifest
                foreach (ManifestEntry be in entries)
                {
                    Manifestfile manifest = GetManifest(backend, be);

                    int count = manifest.ContentHashes.Count;

                    for (int i = count - 1; i < be.Volumes.Count; i++)
                    {
                        anyRemoved = true;

                        string sigmsg = string.Format(Strings.Interface.RemovingPartialFilesMessage, be.Volumes[i].Key.Filename);
                        string cntmsg = string.Format(Strings.Interface.RemovingPartialFilesMessage, be.Volumes[i].Value.Filename);

                        Logging.Log.WriteMessage(sigmsg, Duplicati.Library.Logging.LogMessageType.Information);
                        Logging.Log.WriteMessage(cntmsg, Duplicati.Library.Logging.LogMessageType.Information);

                        sb.AppendLine(sigmsg);
                        sb.AppendLine(cntmsg);

                        if (m_options.Force)
                        {
                            backend.Delete(be.Volumes[i].Key);
                            backend.Delete(be.Volumes[i].Value);
                        }
                    }
                }
            }

            if (!m_options.Force && anyRemoved)
            {
                Logging.Log.WriteMessage(Strings.Interface.FilesAreNotForceDeletedMessage, Duplicati.Library.Logging.LogMessageType.Information);
                sb.AppendLine(Strings.Interface.FilesAreNotForceDeletedMessage);
            }

            return sb.ToString(); //TODO: Write a message here?
        }
Esempio n. 4
0
        /// <summary>
        /// Downloads all required signature files from the backend.
        /// </summary>
        /// <param name="backend">The backend to read from</param>
        /// <param name="entries">The flattened list of manifests</param>
        /// <param name="tempfolder">The tempfolder set for this operation</param>
        /// <param name="allowHashFail">True to ignore files with failed hash signature</param>
        /// <returns>A list of file archives</returns>
        private List<KeyValuePair<ManifestEntry, Library.Interface.ICompression>> FindPatches(BackendWrapper backend, List<ManifestEntry> entries, string tempfolder, bool allowHashFail, CommunicationStatistics stat)
        {
            List<KeyValuePair<ManifestEntry, Library.Interface.ICompression>> patches = new List<KeyValuePair<ManifestEntry, Library.Interface.ICompression>>();

            using (new Logging.Timer("Reading incremental data"))
            {
                OperationProgress(this, GetOperationType(), stat.OperationMode, (int)(m_progress * 100), -1, Strings.Interface.StatusReadingIncrementalData, "");

                //Calculate the total number of files to download
                //, and verify their order
                int incCount = 0;
                foreach (ManifestEntry be in entries)
                {
                    int volNo = 0;
                    //Prevent order based bugs
                    if (entries.IndexOf(be) > 0)
                        if (entries[entries.IndexOf(be) - 1].Time >= be.Time)
                            throw new Exception(Strings.Interface.BadSortingDetectedError);

                    incCount++;
                    foreach (KeyValuePair<SignatureEntry, ContentEntry> bes in be.Volumes)
                    {
                        incCount++;
                        if (volNo + 1 != bes.Key.Volumenumber || bes.Key.Volumenumber != bes.Value.Volumenumber)
                            throw new Exception(Strings.Interface.BadVolumeSortOrder);

                        volNo++;
                    }
                }

                //The incremental part has a fixed cost, and each file has a fixed fraction of that
                double unitCost = m_incrementalFraction / incCount;

                //Ensure that the manifest chain has not been tampered with
                // since we will read all manifest files anyway, there is no harm in doing it here
                if (!m_options.DontReadManifests && entries.Count > 0)
                    VerifyManifestChain(backend, entries[entries.Count - 1]);

                foreach (ManifestEntry be in entries)
                {
                    m_progress += unitCost;

                    Manifestfile manifest = GetManifest(backend, be);

                    foreach (KeyValuePair<SignatureEntry, ContentEntry> bes in be.Volumes)
                    {
                        m_progress += unitCost;

                        //Skip non-listed incrementals
                        if (manifest.SignatureHashes != null && bes.Key.Volumenumber > manifest.SignatureHashes.Count)
                        {
                            backend.AddOrphan(bes.Key);
                            backend.AddOrphan(bes.Value);
                            continue;
                        }

                        OperationProgress(this, GetOperationType(), stat.OperationMode, (int)(m_progress * 100), -1, string.Format(Strings.Interface.StatusReadingSignatureFile, be.Time.ToShortDateString() + " " + be.Time.ToShortTimeString(), bes.Key.Volumenumber), "");

                        string filename = System.IO.Path.Combine(tempfolder, "patch-" + patches.Count.ToString() + ".zip");

                        //Check just before we download stuff
                        CheckLiveControl();
                        try
                        {
                            using (new Logging.Timer("Get " + bes.Key.Filename))
                                backend.Get(bes.Key, manifest, filename, manifest.SignatureHashes == null ? null : manifest.SignatureHashes[bes.Key.Volumenumber - 1]);
                        }
                        catch (BackendWrapper.HashMismathcException hme)
                        {
                            if (allowHashFail)
                            {
                                if (stat != null)
                                    stat.LogError(string.Format(Strings.Interface.FileHashFailure, hme.Message), hme);
                                continue;
                            }
                            else
                                throw;
                        }

                        patches.Add(new KeyValuePair<ManifestEntry,Duplicati.Library.Interface.ICompression>(be, DynamicLoader.CompressionLoader.GetModule(bes.Key.Compression, filename, m_options.RawOptions)));
                    }
                }
            }

            backend.DeleteOrphans(true);

            return patches;
        }
Esempio n. 5
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        private void SetupCommonOptions(CommunicationStatistics stats)
        {
            m_options.MainAction = stats.OperationMode;

            switch (m_options.MainAction)
            {
                case DuplicatiOperationMode.Backup:
                case DuplicatiOperationMode.BackupFull:
                case DuplicatiOperationMode.BackupIncremental:
                    break;

                default:
                    //It only makes sense to enable auto-creation if we are writing files.
                    if (!m_options.RawOptions.ContainsKey("disable-autocreate-folder"))
                        m_options.RawOptions["disable-autocreate-folder"] = "true";
                    break;
            }

            Library.Logging.Log.LogLevel = m_options.Loglevel;

            OperationRunning(true);

            if (!string.IsNullOrEmpty(m_options.Logfile))
            {
                m_hasSetLogging = true;
                Library.Logging.Log.CurrentLog = new Library.Logging.StreamLog(m_options.Logfile);
            }

            if (stats != null)
            {
                stats.VerboseErrors = m_options.DebugOutput;
                stats.VerboseRetryErrors = m_options.VerboseRetryErrors;
            }

            if (!string.IsNullOrEmpty(m_options.TempDir))
                Utility.TempFolder.SystemTempPath = m_options.TempDir;

            if (!string.IsNullOrEmpty(m_options.ThreadPriority))
                System.Threading.Thread.CurrentThread.Priority = Utility.Utility.ParsePriority(m_options.ThreadPriority);

            //Load all generic modules
            m_options.LoadedModules.Clear();

            foreach (Library.Interface.IGenericModule m in DynamicLoader.GenericLoader.Modules)
                m_options.LoadedModules.Add(new KeyValuePair<bool, Library.Interface.IGenericModule>(Array.IndexOf<string>(m_options.DisableModules, m.Key.ToLower()) < 0 && (m.LoadAsDefault || Array.IndexOf<string>(m_options.EnableModules, m.Key.ToLower()) >= 0), m));

            ValidateOptions(stats);

            foreach (KeyValuePair<bool, Library.Interface.IGenericModule> mx in m_options.LoadedModules)
                if (mx.Key)
                    mx.Value.Configure(m_options.RawOptions);

            Library.Logging.Log.WriteMessage(string.Format(Strings.Interface.StartingOperationMessage, m_options.MainAction), Logging.LogMessageType.Information);
        }
Esempio n. 6
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        public List<KeyValuePair<BackupEntryBase, Exception>> VerifyBackupChain()
        {
            CommunicationStatistics stats = new CommunicationStatistics(DuplicatiOperationMode.Verify);
            SetupCommonOptions(stats);

            List<KeyValuePair<BackupEntryBase, Exception>> results = new List<KeyValuePair<BackupEntryBase, Exception>>();

            if (m_options.DontReadManifests)
                throw new InvalidOperationException(Strings.Interface.ManifestsMustBeRead);
            if (m_options.SkipFileHashChecks)
                throw new InvalidOperationException(Strings.Interface.CannotVerifyWithoutHashes);

            if (!string.IsNullOrEmpty(m_options.SignatureCachePath))
            {
                stats.LogWarning(Strings.Interface.DisablingSignatureCacheForVerification, null);
                m_options.SignatureCachePath = null;
            }

            using (BackendWrapper backend = new BackendWrapper(stats, m_backend, m_options))
            {
                //Find the spot in the chain where we start
                ManifestEntry bestFit = backend.GetBackupSet(m_options.RestoreTime);

                //Get the list of manifests to validate
                List<ManifestEntry> entries = new List<ManifestEntry>();
                entries.Add(bestFit);
                entries.AddRange(bestFit.Incrementals);

                entries.Reverse();

                foreach (ManifestEntry me in entries)
                {
                    Manifestfile mf = null;

                    try
                    {
                        mf = GetManifest(backend, me);
                        VerifyBackupChainWithFiles(backend, me);

                        if (mf.SignatureHashes.Count != me.Volumes.Count)
                            results.Add(new KeyValuePair<BackupEntryBase,Exception>(me, new Exception(string.Format(Strings.Interface.ManifestAndFileCountMismatchError, mf.SelfFilename, mf.SignatureHashes.Count, me.Volumes.Count))));
                        else
                            results.Add(new KeyValuePair<BackupEntryBase,Exception>(me, null));
                    }
                    catch (Exception ex)
                    {
                        results.Add(new KeyValuePair<BackupEntryBase,Exception>(me, ex));
                    }

                    if (mf != null)
                    {
                        int volumes = Math.Min(mf.SignatureHashes.Count, me.Volumes.Count);
                        for(int i = 0; i <volumes; i++)
                        {
                            if (m_options.Verificationlevel == VerificationLevel.Signature || m_options.Verificationlevel == VerificationLevel.Full)
                            {
                                try
                                {
                                    using(Utility.TempFile tf = new Duplicati.Library.Utility.TempFile())
                                        backend.Get(me.Volumes[i].Key, mf, tf, mf.SignatureHashes[i]);
                                    results.Add(new KeyValuePair<BackupEntryBase, Exception>(me.Volumes[i].Key, null));
                                }
                                catch (Exception ex) { results.Add(new KeyValuePair<BackupEntryBase,Exception>(me.Volumes[i].Key, ex)); }
                            }

                            if (m_options.Verificationlevel == VerificationLevel.Full)
                            {
                                try
                                {
                                    using(Utility.TempFile tf = new Duplicati.Library.Utility.TempFile())
                                        backend.Get(me.Volumes[i].Value, mf, tf, mf.ContentHashes[i]);
                                    results.Add(new KeyValuePair<BackupEntryBase, Exception>(me.Volumes[i].Value, null));
                                }
                                catch (Exception ex) { results.Add(new KeyValuePair<BackupEntryBase,Exception>(me.Volumes[i].Value, ex)); }

                            }
                        }
                    }

                }

                //Re-generate verification file
                if (m_options.CreateVerificationFile)
                {
                    //Stop any async operations
                    if (m_options.AsynchronousUpload)
                        backend.ExtractPendingUploads();

                    VerificationFile vf = new VerificationFile(entries, new FilenameStrategy(m_options));
                    using (Utility.TempFile tf = new Duplicati.Library.Utility.TempFile())
                    {
                        vf.Save(tf);
                        tf.Protected = true;
                        backend.Put(new VerificationEntry(entries[entries.Count - 1].Time), tf);
                    }
                }

            }

            return results;
        }
Esempio n. 7
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        private void CreateFolder()
        {
            CommunicationStatistics stats = new CommunicationStatistics(DuplicatiOperationMode.CreateFolder);
            SetupCommonOptions(stats);

            using (BackendWrapper backend = new BackendWrapper(stats, m_backend, m_options))
                backend.CreateFolder();
        }
Esempio n. 8
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        public string[] List()
        {
            CommunicationStatistics stats = new CommunicationStatistics(DuplicatiOperationMode.List);
            SetupCommonOptions(stats);

            List<string> res = new List<string>();

            using (BackendWrapper backend = new BackendWrapper(stats, m_backend, m_options))
            {
                if (OperationStarted != null)
                    OperationStarted(this, DuplicatiOperation.List, stats.OperationMode, 0, -1, Strings.Interface.StatusStarted, "");

                foreach (Duplicati.Library.Interface.IFileEntry fe in backend.List(false))
                    res.Add(fe.Name);

                if (OperationCompleted != null)
                    OperationCompleted(this, DuplicatiOperation.List, stats.OperationMode, 100, -1, Strings.Interface.StatusCompleted, "");

                return res.ToArray();
            }
        }
Esempio n. 9
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        public List<KeyValuePair<RSync.RSyncDir.PatchFileType, string>> ListActualSignatureFiles()
        {
            CommunicationStatistics stats = new CommunicationStatistics(DuplicatiOperationMode.ListActualSignatureFiles);
            SetupCommonOptions(stats);

            using (BackendWrapper backend = new BackendWrapper(stats, m_backend, m_options))
            {
                ManifestEntry bestFit = backend.GetBackupSet(m_options.RestoreTime);
                if (bestFit.Incrementals.Count > 0) //Get the most recent incremental
                    bestFit = bestFit.Incrementals[bestFit.Incrementals.Count - 1];

                using (Utility.TempFolder folder = new Duplicati.Library.Utility.TempFolder())
                {
                    List<Library.Interface.ICompression> patches = new List<Duplicati.Library.Interface.ICompression>();
                    foreach (KeyValuePair<ManifestEntry, Library.Interface.ICompression> entry in FindPatches(backend, new List<ManifestEntry>(new ManifestEntry[] { bestFit }), folder, false, stats))
                        patches.Add(entry.Value);

                    using (RSync.RSyncDir dir = new Duplicati.Library.Main.RSync.RSyncDir(new string[] { folder }, stats, null))
                        return dir.ListPatchFiles(patches);
                }
            }
        }
Esempio n. 10
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        public List<ManifestEntry> GetBackupSets()
        {
            CommunicationStatistics stats = new CommunicationStatistics(DuplicatiOperationMode.GetBackupSets);
            SetupCommonOptions(stats);

            using (BackendWrapper backend = new BackendWrapper(stats, m_backend, m_options))
                return backend.GetBackupSets();
        }
Esempio n. 11
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        /// <summary>
        /// Reads through a backup and finds the last backup entry that has a specific file
        /// </summary>
        /// <returns></returns>
        public List<KeyValuePair<string, DateTime>> FindLastFileVersion()
        {
            CommunicationStatistics stats = new CommunicationStatistics(DuplicatiOperationMode.FindLastFileVersion);
            SetupCommonOptions(stats);

            if (m_options.DontReadManifests)
                throw new Exception(Strings.Interface.ManifestsMustBeRead);

            if (string.IsNullOrEmpty(m_options.FileToRestore))
                throw new Exception(Strings.Interface.NoFilesGivenError);

            string[] filesToFind = m_options.FileToRestore.Split(System.IO.Path.PathSeparator);
            KeyValuePair<string, DateTime>[] results = new KeyValuePair<string, DateTime>[filesToFind.Length];
            for (int i = 0; i < results.Length; i++)
                results[i] = new KeyValuePair<string, DateTime>(filesToFind[i], new DateTime(0));

            using (BackendWrapper backend = new BackendWrapper(stats, m_backend, m_options))
            {
                //Extract the full backup set list
                List<ManifestEntry> fulls = backend.GetBackupSets();

                //Flatten the list
                List<ManifestEntry> workList = new List<ManifestEntry>();

                //The list is oldest first, this function work newest first
                fulls.Reverse();
                foreach (ManifestEntry f in fulls)
                {
                    f.Incrementals.Reverse();

                    workList.AddRange(f.Incrementals);
                    workList.Add(f);
                }

                bool warned_manifest_v1 = false;

                foreach (ManifestEntry mf in workList)
                {
                    List<Manifestfile.HashEntry> signatureHashes = null;
                    Manifestfile mfi;

                    using(Utility.TempFile tf = new Duplicati.Library.Utility.TempFile())
                    {
                        backend.Get(mf, null, tf, null);
                        mfi = new Manifestfile(tf, m_options.SkipFileHashChecks);
                        if (!m_options.SkipFileHashChecks)
                            signatureHashes = mfi.SignatureHashes;
                    }

                    //If there are no volumes, don't stop here
                    bool any_unmatched = true;

                    if (stats != null && !warned_manifest_v1 && (mfi.SourceDirs == null || mfi.SourceDirs.Length == 0))
                    {
                        warned_manifest_v1 = true;
                        stats.LogWarning(Strings.Interface.ManifestVersionRequiresRelativeNamesWarning, null);
                    }

                    foreach(KeyValuePair<SignatureEntry, ContentEntry> e in mf.Volumes)
                        using (Utility.TempFile tf = new Duplicati.Library.Utility.TempFile())
                        {
                            //Skip non-approved signature files
                            if (signatureHashes != null && e.Key.Volumenumber > signatureHashes.Count)
                            {
                                stats.LogWarning(string.Format(Strings.Interface.SkippedUnlistedSignatureFileWarning, e.Key.Filename), null);
                                continue;
                            }

                            backend.Get(e.Key, mfi, tf, signatureHashes == null ? null : signatureHashes[e.Key.Volumenumber - 1]);

                            any_unmatched = false;

                            RSync.RSyncDir.ContainsFile(mfi, filesToFind, DynamicLoader.CompressionLoader.GetModule(e.Key.Compression, tf, m_options.RawOptions));

                            for (int i = 0; i < filesToFind.Length; i++)
                            {
                                if (results[i].Value.Ticks == 0 && string.IsNullOrEmpty(filesToFind[i]))
                                    results[i] = new KeyValuePair<string,DateTime>(results[i].Key, mf.Time);
                                else
                                    any_unmatched = true;
                            }

                            if (!any_unmatched)
                                break;
                        }

                    if (!any_unmatched)
                        break;
                }

                return new List<KeyValuePair<string,DateTime>>(results);
            }
        }
Esempio n. 12
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        public string DeleteOlderThan()
        {
            StringBuilder sb = new StringBuilder();
            CommunicationStatistics stats = new CommunicationStatistics(DuplicatiOperationMode.DeleteOlderThan);
            SetupCommonOptions(stats);

            DateTime expires = m_options.RemoveOlderThan;

            using (BackendWrapper backend = new BackendWrapper(stats, m_backend, m_options))
            try
            {
                if (OperationStarted != null)
                    OperationStarted(this, DuplicatiOperation.Remove, stats.OperationMode, 0, -1, Strings.Interface.StatusStarted, "");

                List<ManifestEntry> entries = backend.GetBackupSets();
                List<ManifestEntry> toremove = new List<ManifestEntry>();

                while (entries.Count > 0 && entries[0].Time <= expires)
                {
                    if (entries.Count == 1 && !m_options.AllowFullRemoval)
                    {
                        sb.AppendLine(string.Format(Strings.Interface.NotDeletingLastFullMessage, entries[0].Time));
                        break;
                    }

                    ManifestEntry be = entries[0];
                    entries.RemoveAt(0);

                    bool hasNewer = false;
                    foreach (ManifestEntry bex in be.Incrementals)
                        if (bex.Time >= expires)
                        {
                            hasNewer = true;
                            break;
                        }

                    if (hasNewer)
                    {
                        List<ManifestEntry> t = new List<ManifestEntry>(be.Incrementals);
                        t.Insert(0, be);

                        for (int i = 0; i < t.Count; i++)
                            if (t[i].Time <= expires)
                                sb.AppendLine(string.Format(Strings.Interface.NotDeletingBackupSetMessage, t[i].Time.ToString(System.Globalization.CultureInfo.InvariantCulture)));

                        break;
                    }
                    else
                    {
                        be.Incrementals.Reverse();
                        toremove.AddRange(be.Incrementals);
                        toremove.Add(be);
                    }
                }

                if (entries.Count == 0 && toremove.Count > 0 && !m_options.AllowFullRemoval)
                    throw new Exception(Strings.Interface.InternalDeleteCountError);

                sb.Append(RemoveBackupSets(backend, toremove));
            }
            finally
            {
                if (OperationCompleted != null)
                    OperationCompleted(this, DuplicatiOperation.Remove, stats.OperationMode, 100, -1, Strings.Interface.StatusCompleted, "");
            }

            return sb.ToString();
        }
Esempio n. 13
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        public string DeleteAllButNFull()
        {
            CommunicationStatistics stats = new CommunicationStatistics(DuplicatiOperationMode.DeleteAllButNFull);
            SetupCommonOptions(stats);

            int x = Math.Max(0, m_options.DeleteAllButNFull);

            StringBuilder sb = new StringBuilder();

            using (BackendWrapper backend = new BackendWrapper(stats, m_backend, m_options))
            try
            {
                if (OperationStarted != null)
                    OperationStarted(this, DuplicatiOperation.Remove, stats.OperationMode, 0, -1, Strings.Interface.StatusStarted, "");

                List<ManifestEntry> entries = backend.GetBackupSets();
                List<ManifestEntry> toremove = new List<ManifestEntry>();

                while (entries.Count > x)
                {
                    if (entries.Count == 1 && !m_options.AllowFullRemoval)
                    {
                        sb.AppendLine(string.Format(Strings.Interface.NotDeletingLastFullMessage, entries[0].Time));
                        break;
                    }

                    ManifestEntry be = entries[0];
                    entries.RemoveAt(0);

                    be.Incrementals.Reverse();
                    toremove.AddRange(be.Incrementals);
                    toremove.Add(be);
                }

                if (entries.Count == 0 && toremove.Count > 0 && !m_options.AllowFullRemoval)
                    throw new Exception(Strings.Interface.InternalDeleteCountError);

                sb.Append(RemoveBackupSets(backend, toremove));
            }
            finally
            {
                if (OperationCompleted != null)
                    OperationCompleted(this, DuplicatiOperation.Remove, stats.OperationMode, 100, -1, Strings.Interface.StatusCompleted, "");
            }

            return sb.ToString();
        }
Esempio n. 14
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        public string DeleteAllButN()
        {
            CommunicationStatistics stats = new CommunicationStatistics(DuplicatiOperationMode.DeleteAllButN);
            SetupCommonOptions(stats);

            int x = Math.Max(0, m_options.DeleteAllButNFull);

            StringBuilder sb = new StringBuilder();

            using (BackendWrapper backend = new BackendWrapper(stats, m_backend, m_options))
                try
                {
                    if (OperationStarted != null)
                        OperationStarted(this, DuplicatiOperation.Remove, stats.OperationMode, 0, -1, Strings.Interface.StatusStarted, "");

                    List<ManifestEntry> flatlist = new List<ManifestEntry>();
                    List<ManifestEntry> entries =  backend.GetBackupSets();

                    //Get all backups as a flat list
                    foreach (ManifestEntry me in entries)
                    {
                        flatlist.Add(me);
                        flatlist.AddRange(me.Incrementals);
                    }

                    //Now remove all but those requested
                    List<ManifestEntry> toremove = new List<ManifestEntry>();
                    while (flatlist.Count > x)
                    {
                        toremove.Add(flatlist[0]);
                        flatlist.RemoveAt(0);
                    }

                    //If there are still chains left, make sure we do not end up with a partial chain
                    if (!m_options.AllowFullRemoval || flatlist.Count != 0)
                    {
                        //Go back until we have a full chain
                        while (toremove.Count > 0 && (flatlist.Count == 0 || !flatlist[0].IsFull))
                        {
                            sb.AppendLine(string.Format(Strings.Interface.NotDeletingBackupSetMessage, toremove[toremove.Count - 1].Time));
                            flatlist.Insert(0, toremove[toremove.Count - 1]);
                            toremove.RemoveAt(toremove.Count - 1);
                        }
                    }

                    if (toremove.Count > 0 && !m_options.AllowFullRemoval && (flatlist.Count == 0 || !flatlist[0].IsFull))
                        throw new Exception(Strings.Interface.InternalDeleteCountError);

                    sb.Append(RemoveBackupSets(backend, toremove));
                }
                finally
                {
                    if (OperationCompleted != null)
                        OperationCompleted(this, DuplicatiOperation.Remove, stats.OperationMode, 100, -1, Strings.Interface.StatusCompleted, "");
                }

            return sb.ToString();
        }