/// <summary>
/// Uploads the verification file.
/// </summary>
/// <param name="backendurl">The backend url</param>
/// <param name="options">The options to use</param>
/// <param name="result">The result writer</param>
/// <param name="db">The attached database</param>
/// <param name="transaction">An optional transaction object</param>
public static void UploadVerificationFile(string backendurl, Options options, IBackendWriter result, LocalDatabase db, System.Data.IDbTransaction transaction)
{
using (var backend = new BackendManager(backendurl, options, result, db))
using (var tempfile = new Library.Utility.TempFile())
{
var remotename = options.Prefix + "-verification.json";
using (var stream = new System.IO.StreamWriter(tempfile, false, System.Text.Encoding.UTF8))
FilelistProcessor.CreateVerificationFile(db, stream);
if (options.Dryrun)
{
result.AddDryrunMessage(string.Format("Would upload verification file: {0}, size: {1}", remotename, Library.Utility.Utility.FormatSizeString(new System.IO.FileInfo(tempfile).Length)));
}
else
{
backend.PutUnencrypted(remotename, tempfile);
backend.WaitForComplete(db, transaction);
}
}
}
private void PostBackupVerification()
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_PostBackupVerify);
using (var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, m_database))
{
using (new Logging.Timer(LOGTAG, "AfterBackupVerify", "AfterBackupVerify"))
FilelistProcessor.VerifyRemoteList(backend, m_options, m_database, m_result.BackendWriter);
backend.WaitForComplete(m_database, null);
}
if (m_options.BackupTestSampleCount > 0 && m_database.GetRemoteVolumes().Count() > 0)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_PostBackupTest);
m_result.TestResults = new TestResults(m_result);
using (var testdb = new LocalTestDatabase(m_database))
using (var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, testdb))
new TestHandler(m_backendurl, m_options, (TestResults)m_result.TestResults)
.DoRun(m_options.BackupTestSampleCount, testdb, backend);
}
}
private void PostBackupVerification()
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_PostBackupVerify);
using (var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, m_database))
{
using (new Logging.Timer(LOGTAG, "AfterBackupVerify", "AfterBackupVerify"))
FilelistProcessor.VerifyRemoteList(backend, m_options, m_database, m_result.BackendWriter);
backend.WaitForComplete(m_database, null);
}
long remoteVolumeCount = m_database.GetRemoteVolumes().LongCount(x => x.State == RemoteVolumeState.Verified);
long samplesToTest = Math.Max(m_options.BackupTestSampleCount, (long)Math.Round(remoteVolumeCount * (m_options.BackupTestPercentage / 100D), MidpointRounding.AwayFromZero));
if (samplesToTest > 0 && remoteVolumeCount > 0)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_PostBackupTest);
m_result.TestResults = new TestResults(m_result);
using (var testdb = new LocalTestDatabase(m_database))
using (var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, testdb))
new TestHandler(m_backendurl, m_options, (TestResults)m_result.TestResults)
.DoRun(samplesToTest, testdb, backend);
}
}
private void DoRun(LocalDatabase dbparent, Library.Utility.IFilter filter, RestoreResults result)
{
//In this case, we check that the remote storage fits with the database.
//We can then query the database and find the blocks that we need to do the restore
using (var database = new LocalRestoreDatabase(dbparent, m_options.Blocksize))
using (var backend = new BackendManager(m_backendurl, m_options, result.BackendWriter, database))
{
database.SetResult(m_result);
Utility.VerifyParameters(database, m_options);
var blockhasher = System.Security.Cryptography.HashAlgorithm.Create(m_options.BlockHashAlgorithm);
var filehasher = System.Security.Cryptography.HashAlgorithm.Create(m_options.FileHashAlgorithm);
if (blockhasher == null)
{
throw new Exception(string.Format(Strings.Foresthash.InvalidHashAlgorithm, m_options.BlockHashAlgorithm));
}
if (!blockhasher.CanReuseTransform)
{
throw new Exception(string.Format(Strings.Foresthash.InvalidCryptoSystem, m_options.BlockHashAlgorithm));
}
if (filehasher == null)
{
throw new Exception(string.Format(Strings.Foresthash.InvalidHashAlgorithm, m_options.FileHashAlgorithm));
}
if (!filehasher.CanReuseTransform)
{
throw new Exception(string.Format(Strings.Foresthash.InvalidCryptoSystem, m_options.FileHashAlgorithm));
}
if (!m_options.NoBackendverification)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Restore_PreRestoreVerify);
FilelistProcessor.VerifyRemoteList(backend, m_options, database, result.BackendWriter);
}
//Figure out what files are to be patched, and what blocks are needed
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Restore_CreateFileList);
using (new Logging.Timer("PrepareBlockList"))
PrepareBlockAndFileList(database, m_options, filter, result);
//Make the entire output setup
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Restore_CreateTargetFolders);
using (new Logging.Timer("CreateDirectory"))
CreateDirectoryStructure(database, m_options, result);
//If we are patching an existing target folder, do not touch stuff that is already updated
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Restore_ScanForExistingFiles);
using (new Logging.Timer("ScanForexistingTargetBlocks"))
ScanForExistingTargetBlocks(database, m_blockbuffer, blockhasher, filehasher, m_options, result);
//Look for existing blocks in the original source files only
using (new Logging.Timer("ScanForExistingSourceBlocksFast"))
#if DEBUG
if (!m_options.NoLocalBlocks && !string.IsNullOrEmpty(m_options.Restorepath))
#else
if (!string.IsNullOrEmpty(m_options.Restorepath))
#endif
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Restore_ScanForLocalBlocks);
ScanForExistingSourceBlocksFast(database, m_options, m_blockbuffer, blockhasher, result);
}
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(database, null);
return;
}
// If other local files already have the blocks we want, we use them instead of downloading
if (m_options.PatchWithLocalBlocks)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Restore_PatchWithLocalBlocks);
using (new Logging.Timer("PatchWithLocalBlocks"))
ScanForExistingSourceBlocks(database, m_options, m_blockbuffer, blockhasher, result);
}
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(database, null);
return;
}
// Fill BLOCKS with remote sources
var volumes = database.GetMissingVolumes().ToList();
if (volumes.Count > 0)
{
m_result.AddMessage(string.Format("{0} remote files are required to restore", volumes.Count));
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Restore_DownloadingRemoteFiles);
}
var brokenFiles = new List <string>();
foreach (var blockvolume in new AsyncDownloader(volumes, backend))
{
try
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(database, null);
return;
}
using (var tmpfile = blockvolume.TempFile)
using (var blocks = new BlockVolumeReader(GetCompressionModule(blockvolume.Name), tmpfile, m_options))
PatchWithBlocklist(database, blocks, m_options, result, m_blockbuffer);
}
catch (Exception ex)
{
brokenFiles.Add(blockvolume.Name);
result.AddError(string.Format("Failed to patch with remote file: \"{0}\", message: {1}", blockvolume.Name, ex.Message), ex);
if (ex is System.Threading.ThreadAbortException)
{
throw;
}
}
}
// Reset the filehasher if it was used to verify existing files
filehasher.Initialize();
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
return;
}
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Restore_PostRestoreVerify);
var fileErrors = 0L;
// After all blocks in the files are restored, verify the file hash
using (new Logging.Timer("RestoreVerification"))
foreach (var file in database.GetFilesToRestore())
{
try
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(database, null);
return;
}
result.AddVerboseMessage("Testing restored file integrity: {0}", file.Path);
string key;
long size;
using (var fs = m_systemIO.FileOpenRead(file.Path))
{
size = fs.Length;
key = Convert.ToBase64String(filehasher.ComputeHash(fs));
}
if (key != file.Hash)
{
throw new Exception(string.Format("Failed to restore file: \"{0}\". File hash is {1}, expected hash is {2}", file.Path, key, file.Hash));
}
result.FilesRestored++;
result.SizeOfRestoredFiles += size;
}
catch (Exception ex)
{
fileErrors++;
result.AddWarning(ex.Message, ex);
if (ex is System.Threading.ThreadAbortException)
{
throw;
}
}
}
if (fileErrors > 0 && brokenFiles.Count > 0)
{
m_result.AddMessage(string.Format("Failed to restore {0} files, additionally the following files failed to download, which may be the cause:{1}", fileErrors, Environment.NewLine, string.Join(Environment.NewLine, brokenFiles)));
}
// Drop the temp tables
database.DropRestoreTable();
backend.WaitForComplete(database, null);
}
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Restore_Complete);
result.EndTime = DateTime.UtcNow;
}
public void DoRun(long samples, LocalTestDatabase db, BackendManager backend)
{
var files = db.SelectTestTargets(samples, m_options).ToList();
m_results.OperationProgressUpdater.UpdatePhase(OperationPhase.Verify_Running);
m_results.OperationProgressUpdater.UpdateProgress(0);
var progress = 0L;
if (m_options.FullRemoteVerification)
{
foreach (var vol in new AsyncDownloader(files, backend))
{
try
{
if (m_results.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(db, null);
return;
}
progress++;
m_results.OperationProgressUpdater.UpdateProgress((float)progress / files.Count);
KeyValuePair <string, IEnumerable <KeyValuePair <TestEntryStatus, string> > > res;
using (var tf = vol.TempFile)
res = TestVolumeInternals(db, vol, tf, m_options, m_results, m_options.FullBlockVerification ? 1.0 : 0.2);
m_results.AddResult(res.Key, res.Value);
db.UpdateVerificationCount(vol.Name);
}
catch (Exception ex)
{
m_results.AddResult(vol.Name, new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string>[] { new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string>(Duplicati.Library.Interface.TestEntryStatus.Error, ex.Message) });
m_results.AddError(string.Format("Failed to process file {0}", vol.Name), ex);
if (ex is System.Threading.ThreadAbortException)
{
throw;
}
}
}
}
else
{
foreach (var f in files)
{
try
{
if (m_results.TaskControlRendevouz() == TaskControlState.Stop)
{
return;
}
progress++;
m_results.OperationProgressUpdater.UpdateProgress((float)progress / files.Count);
if (f.Size < 0 || string.IsNullOrWhiteSpace(f.Hash))
{
m_results.AddMessage(string.Format("No hash recorded for {0}, performing full verification", f.Name));
KeyValuePair <string, IEnumerable <KeyValuePair <TestEntryStatus, string> > > res;
string hash;
long size;
using (var tf = backend.GetWithInfo(f.Name, out size, out hash))
res = TestVolumeInternals(db, f, tf, m_options, m_results, 1);
m_results.AddResult(res.Key, res.Value);
if (res.Value != null && !res.Value.Any() && !string.IsNullOrWhiteSpace(hash))
{
if (!m_options.Dryrun)
{
m_results.AddMessage(string.Format("Sucessfully captured hash for {0}, updating database", f.Name));
db.UpdateRemoteVolume(f.Name, RemoteVolumeState.Verified, size, hash);
}
}
}
else
{
backend.GetForTesting(f.Name, f.Size, f.Hash);
}
db.UpdateVerificationCount(f.Name);
m_results.AddResult(f.Name, new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string> [0]);
}
catch (Exception ex)
{
m_results.AddResult(f.Name, new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string>[] { new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string>(Duplicati.Library.Interface.TestEntryStatus.Error, ex.Message) });
m_results.AddError(string.Format("Failed to process file {0}", f.Name), ex);
if (ex is System.Threading.ThreadAbortException)
{
throw;
}
}
}
}
}
/// <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;
}
}
/// <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);
}
}
public void DoRun(Database.LocalDeleteDatabase db, ref System.Data.IDbTransaction transaction, bool hasVerifiedBacked, bool forceCompact)
{
using (var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, db))
{
if (!hasVerifiedBacked && !m_options.NoBackendverification)
{
FilelistProcessor.VerifyRemoteList(backend, m_options, db, m_result.BackendWriter);
}
var filesetNumbers = db.FilesetTimes.Zip(Enumerable.Range(0, db.FilesetTimes.Count()), (a, b) => new Tuple <long, DateTime>(b, a.Value));
var toDelete = m_options.GetFilesetsToDelete(db.FilesetTimes.Select(x => x.Value).ToArray());
if (toDelete != null && toDelete.Length > 0)
{
m_result.AddMessage(string.Format("Deleting {0} remote fileset(s) ...", toDelete.Length));
}
var lst = db.DropFilesetsFromTable(toDelete, transaction).ToArray();
foreach (var f in lst)
{
db.UpdateRemoteVolume(f.Key, RemoteVolumeState.Deleting, f.Value, null, transaction);
}
if (!m_options.Dryrun)
{
transaction.Commit();
transaction = db.BeginTransaction();
}
foreach (var f in lst)
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(db, transaction);
return;
}
if (!m_options.Dryrun)
{
backend.Delete(f.Key, f.Value);
}
else
{
m_result.AddDryrunMessage(string.Format("Would delete remote fileset: {0}", f.Key));
}
}
backend.WaitForComplete(db, transaction);
var count = lst.Length;
if (!m_options.Dryrun)
{
if (count == 0)
{
m_result.AddMessage("No remote filesets were deleted");
}
else
{
m_result.AddMessage(string.Format("Deleted {0} remote fileset(s)", count));
}
}
else
{
if (count == 0)
{
m_result.AddDryrunMessage("No remote filesets would be deleted");
}
else
{
m_result.AddDryrunMessage(string.Format("{0} remote fileset(s) would be deleted", count));
}
if (count > 0 && m_options.Dryrun)
{
m_result.AddDryrunMessage("Remove --dry-run to actually delete files");
}
}
if (!m_options.NoAutoCompact && (forceCompact || (toDelete != null && toDelete.Length > 0)))
{
m_result.CompactResults = new CompactResults(m_result);
new CompactHandler(m_backendurl, m_options, (CompactResults)m_result.CompactResults).DoCompact(db, true, ref transaction);
}
m_result.SetResults(
from n in filesetNumbers
where toDelete.Contains(n.Item2)
select n,
m_options.Dryrun);
}
}
public void DoRun(long samples, LocalTestDatabase db, BackendManager backend)
{
var blockhasher = System.Security.Cryptography.HashAlgorithm.Create(m_options.BlockHashAlgorithm);
if (blockhasher == null)
throw new Exception(string.Format(Strings.Foresthash.InvalidHashAlgorithm, m_options.BlockHashAlgorithm));
if (!blockhasher.CanReuseTransform)
throw new Exception(string.Format(Strings.Foresthash.InvalidCryptoSystem, m_options.BlockHashAlgorithm));
var hashsize = blockhasher.HashSize / 8;
var files = db.SelectTestTargets(samples, m_options).ToList();
if (m_options.FullRemoteVerification)
{
foreach(var vol in new AsyncDownloader(files, backend))
{
var parsedInfo = Volumes.VolumeBase.ParseFilename(vol.Name);
try
{
if (m_results.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(db, null);
return;
}
using(var tf = vol.TempFile)
{
if (parsedInfo.FileType == RemoteVolumeType.Files)
{
//Compare with db and see if all files are accounted for
// with correct file hashes and blocklist hashes
using(var fl = db.CreateFilelist(vol.Name))
{
using(var rd = new Volumes.FilesetVolumeReader(parsedInfo.CompressionModule, tf, m_options))
foreach(var f in rd.Files)
fl.Add(f.Path, f.Size, f.Hash, f.Metasize, f.Metahash, f.BlocklistHashes, f.Type, f.Time);
m_results.AddResult(vol.Name, fl.Compare().ToList());
}
}
else if (parsedInfo.FileType == RemoteVolumeType.Index)
{
var blocklinks = new List<Tuple<string, string, long>>();
IEnumerable<KeyValuePair<Duplicati.Library.Interface.TestEntryStatus, string>> combined = new KeyValuePair<Duplicati.Library.Interface.TestEntryStatus, string>[0];
//Compare with db and see that all hashes and volumes are listed
using(var rd = new Volumes.IndexVolumeReader(parsedInfo.CompressionModule, tf, m_options, hashsize))
foreach(var v in rd.Volumes)
{
blocklinks.Add(new Tuple<string, string, long>(v.Filename, v.Hash, v.Length));
using(var bl = db.CreateBlocklist(v.Filename))
{
foreach(var h in v.Blocks)
bl.AddBlock(h.Key, h.Value);
combined = combined.Union(bl.Compare().ToArray());
}
}
using(var il = db.CreateIndexlist(vol.Name))
{
foreach(var t in blocklinks)
il.AddBlockLink(t.Item1, t.Item2, t.Item3);
combined = combined.Union(il.Compare()).ToList();
}
m_results.AddResult(vol.Name, combined.ToList());
}
else if (parsedInfo.FileType == RemoteVolumeType.Blocks)
{
using(var bl = db.CreateBlocklist(vol.Name))
using(var rd = new Volumes.BlockVolumeReader(parsedInfo.CompressionModule, tf, m_options))
{
//Verify that all blocks are in the file
foreach(var b in rd.Blocks)
bl.AddBlock(b.Key, b.Value);
//Select 20% random blocks and verify their hashes match the filename and size
var hashsamples = new List<KeyValuePair<string, long>>(rd.Blocks);
var sampleCount = Math.Min(Math.Max(0, (int)(hashsamples.Count * 0.2)), hashsamples.Count - 1);
var rnd = new Random();
while (hashsamples.Count > sampleCount)
hashsamples.RemoveAt(rnd.Next(hashsamples.Count));
var blockbuffer = new byte[m_options.Blocksize];
var changes = new List<KeyValuePair<Library.Interface.TestEntryStatus, string>>();
foreach(var s in hashsamples)
{
var size = rd.ReadBlock(s.Key, blockbuffer);
if (size != s.Value)
changes.Add(new KeyValuePair<Library.Interface.TestEntryStatus, string>(Library.Interface.TestEntryStatus.Modified, s.Key));
else
{
var hash = Convert.ToBase64String(blockhasher.ComputeHash(blockbuffer, 0, size));
if (hash != s.Key)
changes.Add(new KeyValuePair<Library.Interface.TestEntryStatus, string>(Library.Interface.TestEntryStatus.Modified, s.Key));
}
}
m_results.AddResult(vol.Name, changes.Union(bl.Compare().ToList()));
}
}
}
db.UpdateVerificationCount(vol.Name);
}
catch (Exception ex)
{
m_results.AddResult(vol.Name, new KeyValuePair<Duplicati.Library.Interface.TestEntryStatus, string>[] { new KeyValuePair<Duplicati.Library.Interface.TestEntryStatus, string>(Duplicati.Library.Interface.TestEntryStatus.Error, ex.Message) });
m_results.AddError(string.Format("Failed to process file {0}", vol.Name), ex);
if (ex is System.Threading.ThreadAbortException)
throw;
}
}
}
else
{
foreach(var f in files)
{
try
{
if (m_results.TaskControlRendevouz() == TaskControlState.Stop)
return;
backend.GetForTesting(f.Name, f.Size, f.Hash);
db.UpdateVerificationCount(f.Name);
m_results.AddResult(f.Name, new KeyValuePair<Duplicati.Library.Interface.TestEntryStatus, string>[0]);
}
catch (Exception ex)
{
m_results.AddResult(f.Name, new KeyValuePair<Duplicati.Library.Interface.TestEntryStatus, string>[] { new KeyValuePair<Duplicati.Library.Interface.TestEntryStatus, string>(Duplicati.Library.Interface.TestEntryStatus.Error, ex.Message) });
m_results.AddError(string.Format("Failed to process file {0}", f.Name), ex);
if (ex is System.Threading.ThreadAbortException)
throw;
}
}
}
}
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"))
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;
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 files = new List<Library.Interface.IListResultFile>();
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))
files.Add(new ListResultFile(cf.Key, null));
m_result.SetResult(new Library.Interface.IListResultFileset[] { new ListResultFileset(fileversion.Key, 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);
}
}
} }
internal bool DoCompact(LocalDeleteDatabase db, bool hasVerifiedBackend, ref System.Data.IDbTransaction transaction)
{
var report = db.GetCompactReport(m_options.VolumeSize, m_options.Threshold, m_options.SmallFileSize, m_options.SmallFileMaxCount, transaction);
report.ReportCompactData(m_result);
if (report.ShouldReclaim || report.ShouldCompact)
{
using(var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, db))
{
if (!hasVerifiedBackend && !m_options.NoBackendverification)
FilelistProcessor.VerifyRemoteList(backend, m_options, db, m_result.BackendWriter);
BlockVolumeWriter newvol = new BlockVolumeWriter(m_options);
newvol.VolumeID = db.RegisterRemoteVolume(newvol.RemoteFilename, RemoteVolumeType.Blocks, RemoteVolumeState.Temporary, transaction);
IndexVolumeWriter newvolindex = null;
if (m_options.IndexfilePolicy != Options.IndexFileStrategy.None)
{
newvolindex = new IndexVolumeWriter(m_options);
newvolindex.VolumeID = db.RegisterRemoteVolume(newvolindex.RemoteFilename, RemoteVolumeType.Index, RemoteVolumeState.Temporary, transaction);
db.AddIndexBlockLink(newvolindex.VolumeID, newvol.VolumeID, transaction);
newvolindex.StartVolume(newvol.RemoteFilename);
}
long blocksInVolume = 0;
long discardedBlocks = 0;
long discardedSize = 0;
byte[] buffer = new byte[m_options.Blocksize];
var remoteList = db.GetRemoteVolumes().Where(n => n.State == RemoteVolumeState.Uploaded || n.State == RemoteVolumeState.Verified).ToArray();
//These are for bookkeeping
var uploadedVolumes = new List<KeyValuePair<string, long>>();
var deletedVolumes = new List<KeyValuePair<string, long>>();
var downloadedVolumes = new List<KeyValuePair<string, long>>();
//We start by deleting unused volumes to save space before uploading new stuff
var fullyDeleteable = (from v in remoteList
where report.DeleteableVolumes.Contains(v.Name)
select (IRemoteVolume)v).ToList();
deletedVolumes.AddRange(DoDelete(db, backend, fullyDeleteable, ref transaction));
// This list is used to pick up unused volumes,
// so they can be deleted once the upload of the
// required fragments is complete
var deleteableVolumes = new List<IRemoteVolume>();
if (report.ShouldCompact)
{
var volumesToDownload = (from v in remoteList
where report.CompactableVolumes.Contains(v.Name)
select (IRemoteVolume)v).ToList();
using(var q = db.CreateBlockQueryHelper(m_options, transaction))
{
foreach(var entry in new AsyncDownloader(volumesToDownload, backend))
using(var tmpfile = entry.TempFile)
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(db, transaction);
return false;
}
downloadedVolumes.Add(new KeyValuePair<string, long>(entry.Name, entry.Size));
var inst = VolumeBase.ParseFilename(entry.Name);
using(var f = new BlockVolumeReader(inst.CompressionModule, tmpfile, m_options))
{
foreach(var e in f.Blocks)
{
if (q.UseBlock(e.Key, e.Value, transaction))
{
//TODO: How do we get the compression hint? Reverse query for filename in db?
var s = f.ReadBlock(e.Key, buffer);
if (s != e.Value)
throw new Exception("Size mismatch problem, {0} vs {1}");
newvol.AddBlock(e.Key, buffer, 0, s, Duplicati.Library.Interface.CompressionHint.Compressible);
if (newvolindex != null)
newvolindex.AddBlock(e.Key, e.Value);
db.MoveBlockToNewVolume(e.Key, e.Value, newvol.VolumeID, transaction);
blocksInVolume++;
if (newvol.Filesize > m_options.VolumeSize)
{
uploadedVolumes.Add(new KeyValuePair<string, long>(newvol.RemoteFilename, new System.IO.FileInfo(newvol.LocalFilename).Length));
if (newvolindex != null)
uploadedVolumes.Add(new KeyValuePair<string, long>(newvolindex.RemoteFilename, new System.IO.FileInfo(newvolindex.LocalFilename).Length));
if (!m_options.Dryrun)
backend.Put(newvol, newvolindex);
else
m_result.AddDryrunMessage(string.Format("Would upload generated blockset of size {0}", Library.Utility.Utility.FormatSizeString(new System.IO.FileInfo(newvol.LocalFilename).Length)));
newvol = new BlockVolumeWriter(m_options);
newvol.VolumeID = db.RegisterRemoteVolume(newvol.RemoteFilename, RemoteVolumeType.Blocks, RemoteVolumeState.Temporary, transaction);
if (m_options.IndexfilePolicy != Options.IndexFileStrategy.None)
{
newvolindex = new IndexVolumeWriter(m_options);
newvolindex.VolumeID = db.RegisterRemoteVolume(newvolindex.RemoteFilename, RemoteVolumeType.Index, RemoteVolumeState.Temporary, transaction);
db.AddIndexBlockLink(newvolindex.VolumeID, newvol.VolumeID, transaction);
newvolindex.StartVolume(newvol.RemoteFilename);
}
blocksInVolume = 0;
//After we upload this volume, we can delete all previous encountered volumes
deletedVolumes.AddRange(DoDelete(db, backend, deleteableVolumes, ref transaction));
deleteableVolumes = new List<IRemoteVolume>();
}
}
else
{
discardedBlocks++;
discardedSize += e.Value;
}
}
}
deleteableVolumes.Add(entry);
}
if (blocksInVolume > 0)
{
uploadedVolumes.Add(new KeyValuePair<string, long>(newvol.RemoteFilename, new System.IO.FileInfo(newvol.LocalFilename).Length));
if (newvolindex != null)
uploadedVolumes.Add(new KeyValuePair<string, long>(newvolindex.RemoteFilename, new System.IO.FileInfo(newvolindex.LocalFilename).Length));
if (!m_options.Dryrun)
backend.Put(newvol, newvolindex);
else
m_result.AddDryrunMessage(string.Format("Would upload generated blockset of size {0}", Library.Utility.Utility.FormatSizeString(new System.IO.FileInfo(newvol.LocalFilename).Length)));
}
else
{
db.RemoveRemoteVolume(newvol.RemoteFilename, transaction);
if (newvolindex != null)
{
db.RemoveRemoteVolume(newvolindex.RemoteFilename, transaction);
newvolindex.FinishVolume(null, 0);
}
}
}
}
deletedVolumes.AddRange(DoDelete(db, backend, deleteableVolumes, ref transaction));
var downloadSize = downloadedVolumes.Where(x => x.Value >= 0).Aggregate(0L, (a,x) => a + x.Value);
var deletedSize = deletedVolumes.Where(x => x.Value >= 0).Aggregate(0L, (a,x) => a + x.Value);
var uploadSize = uploadedVolumes.Where(x => x.Value >= 0).Aggregate(0L, (a,x) => a + x.Value);
m_result.DeletedFileCount = deletedVolumes.Count;
m_result.DownloadedFileCount = downloadedVolumes.Count;
m_result.UploadedFileCount = uploadedVolumes.Count;
m_result.DeletedFileSize = deletedSize;
m_result.DownloadedFileSize = downloadSize;
m_result.UploadedFileSize = uploadSize;
m_result.Dryrun = m_options.Dryrun;
if (m_result.Dryrun)
{
if (downloadedVolumes.Count == 0)
m_result.AddDryrunMessage(string.Format("Would delete {0} files, which would reduce storage by {1}", m_result.DeletedFileCount, Library.Utility.Utility.FormatSizeString(m_result.DeletedFileSize)));
else
m_result.AddDryrunMessage(string.Format("Would download {0} file(s) with a total size of {1}, delete {2} file(s) with a total size of {3}, and compact to {4} file(s) with a size of {5}, which would reduce storage by {6} file(s) and {7}", m_result.DownloadedFileCount, Library.Utility.Utility.FormatSizeString(m_result.DownloadedFileSize), m_result.DeletedFileCount, Library.Utility.Utility.FormatSizeString(m_result.DeletedFileSize), m_result.UploadedFileCount, Library.Utility.Utility.FormatSizeString(m_result.UploadedFileSize), m_result.DeletedFileCount - m_result.UploadedFileCount, Library.Utility.Utility.FormatSizeString(m_result.DeletedFileSize - m_result.UploadedFileSize)));
}
else
{
if (m_result.DownloadedFileCount == 0)
m_result.AddMessage(string.Format("Deleted {0} files, which reduced storage by {1}", m_result.DeletedFileCount, Library.Utility.Utility.FormatSizeString(m_result.DeletedFileSize)));
else
m_result.AddMessage(string.Format("Downloaded {0} file(s) with a total size of {1}, deleted {2} file(s) with a total size of {3}, and compacted to {4} file(s) with a size of {5}, which reduced storage by {6} file(s) and {7}", m_result.DownloadedFileCount, Library.Utility.Utility.FormatSizeString(downloadSize), m_result.DeletedFileCount, Library.Utility.Utility.FormatSizeString(m_result.DeletedFileSize), m_result.UploadedFileCount, Library.Utility.Utility.FormatSizeString(m_result.UploadedFileSize), m_result.DeletedFileCount - m_result.UploadedFileCount, Library.Utility.Utility.FormatSizeString(m_result.DeletedFileSize - m_result.UploadedFileSize)));
}
backend.WaitForComplete(db, transaction);
}
return (m_result.DeletedFileCount + m_result.UploadedFileCount) > 0;
}
else
{
return false;
}
}
public void DoRun(Database.LocalDeleteDatabase db, System.Data.IDbTransaction transaction, bool hasVerifiedBacked, bool forceCompact)
{
using(var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, db))
{
if (!hasVerifiedBacked && !m_options.NoBackendverification)
FilelistProcessor.VerifyRemoteList(backend, m_options, db, m_result.BackendWriter);
var filesetNumbers = db.FilesetTimes.Zip(Enumerable.Range(0, db.FilesetTimes.Count()), (a, b) => new Tuple<long, DateTime>(b, a.Value));
var toDelete = m_options.GetFilesetsToDelete(db.FilesetTimes.Select(x => x.Value).ToArray());
if (toDelete != null && toDelete.Length > 0)
m_result.AddMessage(string.Format("Deleting {0} remote fileset(s) ...", toDelete.Length));
var count = 0L;
foreach(var f in db.DropFilesetsFromTable(toDelete, transaction))
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(db, transaction);
return;
}
count++;
if (!m_options.Dryrun)
backend.Delete(f.Key, f.Value);
else
m_result.AddDryrunMessage(string.Format("Would delete remote fileset: {0}", f.Key));
}
backend.WaitForComplete(db, transaction);
if (!m_options.Dryrun)
{
if (count == 0)
m_result.AddMessage("No remote filesets were deleted");
else
m_result.AddMessage(string.Format("Deleted {0} remote fileset(s)", count));
}
else
{
if (count == 0)
m_result.AddDryrunMessage("No remote filesets would be deleted");
else
m_result.AddDryrunMessage(string.Format("{0} remote fileset(s) would be deleted", count));
if (count > 0 && m_options.Dryrun)
m_result.AddDryrunMessage("Remove --dry-run to actually delete files");
}
if (!m_options.NoAutoCompact && (forceCompact || (toDelete != null && toDelete.Length > 0)))
{
m_result.CompactResults = new CompactResults(m_result);
new CompactHandler(m_backendurl, m_options, (CompactResults)m_result.CompactResults).DoCompact(db, true, transaction);
}
m_result.SetResults(
from n in filesetNumbers
where toDelete.Contains(n.Item2)
select n,
m_options.Dryrun);
}
}
/// <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="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, 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 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 (filelists.Count() <= 0)
throw new Exception(string.Format("No filelists found on the remote destination"));
if (filelistfilter != null)
filelists = filelistfilter(filelists).Select(x => x.Value).ToArray();
if (filelists.Count() <= 0)
throw new Exception(string.Format("No filelists"));
// 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();
m_result.AddMessage(string.Format("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);
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
{
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 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);
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;
if (isFirstFilelist && ex is System.Security.Cryptography.CryptographicException)
throw;
}
//Make sure we write the config
if (!updating)
Utility.VerifyParameters(restoredb, m_options, tr);
using(new Logging.Timer("CommitUpdateFilesetFromRemote"))
tr.Commit();
}
if (!m_options.RepairOnlyPaths)
{
var hashalg = System.Security.Cryptography.HashAlgorithm.Create(m_options.BlockHashAlgorithm);
if (hashalg == null)
throw new Exception(Strings.Common.InvalidHashAlgorithm(m_options.BlockHashAlgorithm));
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();
m_result.AddMessage(string.Format("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);
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));
m_result.AddError(string.Format("Remote file referenced as {0}, but not found in list, registering a missing remote file", filename), null);
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
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, 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)
{
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, m_options.Blocksize, 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);
m_result.AddMessage("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
restoredb.VerifyConsistency(null, m_options.Blocksize, m_options.BlockhashSize);
m_result.AddMessage("Recreate completed, and consistency checks completed, marking database as complete");
restoredb.RepairInProgress = false;
}
}
public void Run(string[] sources, Library.Utility.IFilter filter)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_Begin);
using(m_database = new LocalBackupDatabase(m_options.Dbpath, m_options))
{
m_result.SetDatabase(m_database);
m_result.Dryrun = m_options.Dryrun;
Utility.UpdateOptionsFromDb(m_database, m_options);
Utility.VerifyParameters(m_database, m_options);
if (m_database.RepairInProgress)
throw new Exception("The database was attempted repaired, but the repair did not complete. This database may be incomplete and the backup process cannot continue. You may delete the local database and attempt to repair it again.");
m_blocksize = m_options.Blocksize;
m_blockbuffer = new byte[m_options.Blocksize * Math.Max(1, m_options.FileReadBufferSize / m_options.Blocksize)];
m_blocklistbuffer = new byte[m_options.Blocksize];
m_blockhasher = System.Security.Cryptography.HashAlgorithm.Create(m_options.BlockHashAlgorithm);
m_filehasher = System.Security.Cryptography.HashAlgorithm.Create(m_options.FileHashAlgorithm);
if (m_blockhasher == null)
throw new Exception(Strings.Common.InvalidHashAlgorithm(m_options.BlockHashAlgorithm));
if (m_filehasher == null)
throw new Exception(Strings.Common.InvalidHashAlgorithm(m_options.FileHashAlgorithm));
if (!m_blockhasher.CanReuseTransform)
throw new Exception(Strings.Common.InvalidCryptoSystem(m_options.BlockHashAlgorithm));
if (!m_filehasher.CanReuseTransform)
throw new Exception(Strings.Common.InvalidCryptoSystem(m_options.FileHashAlgorithm));
m_database.VerifyConsistency(null, m_options.Blocksize, m_options.BlockhashSize);
// If there is no filter, we set an empty filter to simplify the code
// If there is a filter, we make sure that the sources are included
m_filter = filter ?? new Library.Utility.FilterExpression();
m_sourceFilter = new Library.Utility.FilterExpression(sources, true);
m_backendLogFlushTimer = DateTime.Now.Add(FLUSH_TIMESPAN);
System.Threading.Thread parallelScanner = null;
try
{
using(var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, m_database))
using(var filesetvolume = new FilesetVolumeWriter(m_options, m_database.OperationTimestamp))
{
using(var snapshot = GetSnapshot(sources, m_options, m_result))
{
// Start parallel scan
if (m_options.ChangedFilelist == null || m_options.ChangedFilelist.Length < 1)
{
parallelScanner = new System.Threading.Thread(CountFilesThread) {
Name = "Read ahead file counter",
IsBackground = true
};
parallelScanner.Start(snapshot);
}
PreBackupVerify(backend);
// Verify before uploading a synthetic list
m_database.VerifyConsistency(null, m_options.Blocksize, m_options.BlockhashSize);
UploadSyntheticFilelist(backend);
m_database.BuildLookupTable(m_options);
m_transaction = m_database.BeginTransaction();
var repcnt = 0;
while(repcnt < 100 && m_database.GetRemoteVolumeID(filesetvolume.RemoteFilename) >= 0)
filesetvolume.ResetRemoteFilename(m_options, m_database.OperationTimestamp.AddSeconds(repcnt++));
if (m_database.GetRemoteVolumeID(filesetvolume.RemoteFilename) >= 0)
throw new Exception("Unable to generate a unique fileset name");
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_ProcessingFiles);
var filesetvolumeid = m_database.RegisterRemoteVolume(filesetvolume.RemoteFilename, RemoteVolumeType.Files, RemoteVolumeState.Temporary, m_transaction);
m_database.CreateFileset(filesetvolumeid, VolumeBase.ParseFilename(filesetvolume.RemoteFilename).Time, m_transaction);
RunMainOperation(snapshot, backend);
//If the scanner is still running for some reason, make sure we kill it now
if (parallelScanner != null && parallelScanner.IsAlive)
parallelScanner.Abort();
}
var lastVolumeSize = FinalizeRemoteVolumes(backend);
using(new Logging.Timer("UpdateChangeStatistics"))
m_database.UpdateChangeStatistics(m_result);
using(new Logging.Timer("VerifyConsistency"))
m_database.VerifyConsistency(m_transaction, m_options.Blocksize, m_options.BlockhashSize);
UploadRealFileList(backend, filesetvolume);
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_WaitForUpload);
using(new Logging.Timer("Async backend wait"))
backend.WaitForComplete(m_database, m_transaction);
if (m_result.TaskControlRendevouz() != TaskControlState.Stop)
CompactIfRequired(backend, lastVolumeSize);
if (m_options.UploadVerificationFile)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_VerificationUpload);
FilelistProcessor.UploadVerificationFile(backend.BackendUrl, m_options, m_result.BackendWriter, m_database, m_transaction);
}
if (m_options.Dryrun)
{
m_transaction.Rollback();
m_transaction = null;
}
else
{
using(new Logging.Timer("CommitFinalizingBackup"))
m_transaction.Commit();
m_transaction = null;
m_database.Vacuum();
if (m_result.TaskControlRendevouz() != TaskControlState.Stop && !m_options.NoBackendverification)
{
PostBackupVerification();
}
}
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_Complete);
m_database.WriteResults();
m_database.PurgeLogData(m_options.LogRetention);
return;
}
}
catch (Exception ex)
{
m_result.AddError("Fatal error", ex);
throw;
}
finally
{
if (parallelScanner != null && parallelScanner.IsAlive)
{
parallelScanner.Abort();
parallelScanner.Join(500);
if (parallelScanner.IsAlive)
m_result.AddWarning("Failed to terminate filecounter thread", null);
}
if (m_transaction != null)
try { m_transaction.Rollback(); }
catch (Exception ex) { m_result.AddError(string.Format("Rollback error: {0}", ex.Message), ex); }
}
}
}
private void PostBackupVerification()
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_PostBackupVerify);
using(var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, m_database))
{
using(new Logging.Timer("AfterBackupVerify"))
FilelistProcessor.VerifyRemoteList(backend, m_options, m_database, m_result.BackendWriter);
backend.WaitForComplete(m_database, null);
}
if (m_options.BackupTestSampleCount > 0 && m_database.GetRemoteVolumes().Count() > 0)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_PostBackupTest);
m_result.TestResults = new TestResults(m_result);
using(var testdb = new LocalTestDatabase(m_database))
using(var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, testdb))
new TestHandler(m_backendurl, m_options, new TestResults(m_result))
.DoRun(m_options.BackupTestSampleCount, testdb, backend);
}
}
public void DoRun(long samples, LocalTestDatabase db, BackendManager backend)
{
var files = db.SelectTestTargets(samples, m_options).ToList();
m_results.OperationProgressUpdater.UpdatePhase(OperationPhase.Verify_Running);
m_results.OperationProgressUpdater.UpdateProgress(0);
var progress = 0L;
if (m_options.FullRemoteVerification)
{
foreach(var vol in new AsyncDownloader(files, backend))
{
try
{
if (m_results.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(db, null);
return;
}
progress++;
m_results.OperationProgressUpdater.UpdateProgress((float)progress / files.Count);
KeyValuePair<string, IEnumerable<KeyValuePair<TestEntryStatus, string>>> res;
using(var tf = vol.TempFile)
res = TestVolumeInternals(db, vol, tf, m_options, m_results);
m_results.AddResult(res.Key, res.Value);
db.UpdateVerificationCount(vol.Name);
}
catch (Exception ex)
{
m_results.AddResult(vol.Name, new KeyValuePair<Duplicati.Library.Interface.TestEntryStatus, string>[] { new KeyValuePair<Duplicati.Library.Interface.TestEntryStatus, string>(Duplicati.Library.Interface.TestEntryStatus.Error, ex.Message) });
m_results.AddError(string.Format("Failed to process file {0}", vol.Name), ex);
if (ex is System.Threading.ThreadAbortException)
throw;
}
}
}
else
{
foreach(var f in files)
{
try
{
if (m_results.TaskControlRendevouz() == TaskControlState.Stop)
return;
progress++;
m_results.OperationProgressUpdater.UpdateProgress((float)progress / files.Count);
if (f.Size < 0 || string.IsNullOrWhiteSpace(f.Hash))
{
m_results.AddMessage(string.Format("No hash recorded for {0}, performing full verification", f.Name));
KeyValuePair<string, IEnumerable<KeyValuePair<TestEntryStatus, string>>> res;
string hash;
long size;
using (var tf = backend.GetWithInfo(f.Name, out size, out hash))
res = TestVolumeInternals(db, f, tf, m_options, m_results, 1);
m_results.AddResult(res.Key, res.Value);
if (res.Value != null && !res.Value.Any() && !string.IsNullOrWhiteSpace(hash))
{
if (!m_options.Dryrun)
{
m_results.AddMessage(string.Format("Sucessfully captured hash for {0}, updating database", f.Name));
db.UpdateRemoteVolume(f.Name, RemoteVolumeState.Verified, size, hash);
}
}
}
else
backend.GetForTesting(f.Name, f.Size, f.Hash);
db.UpdateVerificationCount(f.Name);
m_results.AddResult(f.Name, new KeyValuePair<Duplicati.Library.Interface.TestEntryStatus, string>[0]);
}
catch (Exception ex)
{
m_results.AddResult(f.Name, new KeyValuePair<Duplicati.Library.Interface.TestEntryStatus, string>[] { new KeyValuePair<Duplicati.Library.Interface.TestEntryStatus, string>(Duplicati.Library.Interface.TestEntryStatus.Error, ex.Message) });
m_results.AddError(string.Format("Failed to process file {0}", f.Name), ex);
if (ex is System.Threading.ThreadAbortException)
throw;
}
}
}
}
public void RunRepairRemote()
{
if (!System.IO.File.Exists(m_options.Dbpath))
throw new Exception(string.Format("Database file does not exist: {0}", m_options.Dbpath));
m_result.OperationProgressUpdater.UpdateProgress(0);
using(var db = new LocalRepairDatabase(m_options.Dbpath))
using(var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, db))
{
m_result.SetDatabase(db);
Utility.VerifyParameters(db, m_options);
var tp = FilelistProcessor.RemoteListAnalysis(backend, m_options, db, m_result.BackendWriter);
var buffer = new byte[m_options.Blocksize];
var blockhasher = System.Security.Cryptography.HashAlgorithm.Create(m_options.BlockHashAlgorithm);
var hashsize = blockhasher.HashSize / 8;
if (blockhasher == null)
throw new Exception(string.Format(Strings.Foresthash.InvalidHashAlgorithm, m_options.BlockHashAlgorithm));
if (!blockhasher.CanReuseTransform)
throw new Exception(string.Format(Strings.Foresthash.InvalidCryptoSystem, m_options.BlockHashAlgorithm));
var progress = 0;
var targetProgess = tp.ExtraVolumes.Count() + tp.MissingVolumes.Count() + tp.VerificationRequiredVolumes.Count();
if (tp.ExtraVolumes.Count() > 0 || tp.MissingVolumes.Count() > 0 || tp.VerificationRequiredVolumes.Count() > 0)
{
if (m_options.Dryrun)
{
if (!tp.BackupPrefixes.Contains(m_options.Prefix) && tp.ParsedVolumes.Count() > 0)
{
if (tp.BackupPrefixes.Length == 1)
throw new Exception(string.Format("Found no backup files with prefix {0}, but files with prefix {1}, did you forget to set the backup-prefix?", m_options.Prefix, tp.BackupPrefixes[0]));
else
throw new Exception(string.Format("Found no backup files with prefix {0}, but files with prefixes {1}, did you forget to set the backup-prefix?", m_options.Prefix, string.Join(", ", tp.BackupPrefixes)));
}
else if (tp.ParsedVolumes.Count() == 0 && tp.ExtraVolumes.Count() > 0)
{
throw new Exception(string.Format("No files were missing, but {0} remote files were, found, did you mean to run recreate-database?", tp.ExtraVolumes.Count()));
}
}
if (tp.VerificationRequiredVolumes.Any())
{
using(var testdb = new LocalTestDatabase(db))
{
foreach(var n in tp.VerificationRequiredVolumes)
try
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(db, null);
return;
}
progress++;
m_result.OperationProgressUpdater.UpdateProgress((float)progress / targetProgess);
long size;
string hash;
KeyValuePair<string, IEnumerable<KeyValuePair<Duplicati.Library.Interface.TestEntryStatus, string>>> res;
using (var tf = backend.GetWithInfo(n.Name, out size, out hash))
res = TestHandler.TestVolumeInternals(testdb, n, tf, m_options, m_result, 1);
if (res.Value.Any())
throw new Exception(string.Format("Remote verification failure: {0}", res.Value.First()));
if (!m_options.Dryrun)
{
m_result.AddMessage(string.Format("Sucessfully captured hash for {0}, updating database", n.Name));
db.UpdateRemoteVolume(n.Name, RemoteVolumeState.Verified, size, hash);
}
}
catch (Exception ex)
{
m_result.AddError(string.Format("Failed to perform verification for file: {0}, please run verify; message: {1}", n.Name, ex.Message), ex);
if (ex is System.Threading.ThreadAbortException)
throw;
}
}
}
// TODO: It is actually possible to use the extra files if we parse them
foreach(var n in tp.ExtraVolumes)
try
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(db, null);
return;
}
progress++;
m_result.OperationProgressUpdater.UpdateProgress((float)progress / targetProgess);
if (!m_options.Dryrun)
{
db.RegisterRemoteVolume(n.File.Name, n.FileType, RemoteVolumeState.Deleting);
backend.Delete(n.File.Name, n.File.Size);
}
else
m_result.AddDryrunMessage(string.Format("would delete file {0}", n.File.Name));
}
catch (Exception ex)
{
m_result.AddError(string.Format("Failed to perform cleanup for extra file: {0}, message: {1}", n.File.Name, ex.Message), ex);
if (ex is System.Threading.ThreadAbortException)
throw;
}
foreach(var n in tp.MissingVolumes)
{
IDisposable newEntry = null;
try
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(db, null);
return;
}
progress++;
m_result.OperationProgressUpdater.UpdateProgress((float)progress / targetProgess);
if (n.Type == RemoteVolumeType.Files)
{
var filesetId = db.GetFilesetIdFromRemotename(n.Name);
var w = new FilesetVolumeWriter(m_options, DateTime.UtcNow);
newEntry = w;
w.SetRemoteFilename(n.Name);
db.WriteFileset(w, null, filesetId);
w.Close();
if (m_options.Dryrun)
m_result.AddDryrunMessage(string.Format("would re-upload fileset {0}, with size {1}, previous size {2}", n.Name, Library.Utility.Utility.FormatSizeString(new System.IO.FileInfo(w.LocalFilename).Length), Library.Utility.Utility.FormatSizeString(n.Size)));
else
{
db.UpdateRemoteVolume(w.RemoteFilename, RemoteVolumeState.Uploading, -1, null, null);
backend.Put(w);
}
}
else if (n.Type == RemoteVolumeType.Index)
{
var w = new IndexVolumeWriter(m_options);
newEntry = w;
w.SetRemoteFilename(n.Name);
foreach(var blockvolume in db.GetBlockVolumesFromIndexName(n.Name))
{
w.StartVolume(blockvolume.Name);
var volumeid = db.GetRemoteVolumeID(blockvolume.Name);
foreach(var b in db.GetBlocks(volumeid))
w.AddBlock(b.Hash, b.Size);
w.FinishVolume(blockvolume.Hash, blockvolume.Size);
if (m_options.IndexfilePolicy == Options.IndexFileStrategy.Full)
foreach(var b in db.GetBlocklists(volumeid, m_options.Blocksize, hashsize))
w.WriteBlocklist(b.Item1, b.Item2, 0, b.Item3);
}
w.Close();
if (m_options.Dryrun)
m_result.AddDryrunMessage(string.Format("would re-upload index file {0}, with size {1}, previous size {2}", n.Name, Library.Utility.Utility.FormatSizeString(new System.IO.FileInfo(w.LocalFilename).Length), Library.Utility.Utility.FormatSizeString(n.Size)));
else
{
db.UpdateRemoteVolume(w.RemoteFilename, RemoteVolumeState.Uploading, -1, null, null);
backend.Put(w);
}
}
else if (n.Type == RemoteVolumeType.Blocks)
{
var w = new BlockVolumeWriter(m_options);
newEntry = w;
w.SetRemoteFilename(n.Name);
using(var mbl = db.CreateBlockList(n.Name))
{
//First we grab all known blocks from local files
foreach(var block in mbl.GetSourceFilesWithBlocks(m_options.Blocksize))
{
var hash = block.Hash;
var size = (int)block.Size;
foreach(var source in block.Sources)
{
var file = source.File;
var offset = source.Offset;
try
{
if (System.IO.File.Exists(file))
using(var f = System.IO.File.OpenRead(file))
{
f.Position = offset;
if (size == Library.Utility.Utility.ForceStreamRead(f, buffer, size))
{
var newhash = Convert.ToBase64String(blockhasher.ComputeHash(buffer, 0, size));
if (newhash == hash)
{
if (mbl.SetBlockRestored(hash, size))
w.AddBlock(hash, buffer, 0, size, Duplicati.Library.Interface.CompressionHint.Default);
break;
}
}
}
}
catch (Exception ex)
{
m_result.AddError(string.Format("Failed to access file: {0}", file), ex);
}
}
}
//Then we grab all remote volumes that have the missing blocks
foreach(var vol in new AsyncDownloader(mbl.GetMissingBlockSources().ToList(), backend))
{
try
{
using(var tmpfile = vol.TempFile)
using(var f = new BlockVolumeReader(RestoreHandler.GetCompressionModule(vol.Name), tmpfile, m_options))
foreach(var b in f.Blocks)
if (mbl.SetBlockRestored(b.Key, b.Value))
if (f.ReadBlock(b.Key, buffer) == b.Value)
w.AddBlock(b.Key, buffer, 0, (int)b.Value, Duplicati.Library.Interface.CompressionHint.Default);
}
catch (Exception ex)
{
m_result.AddError(string.Format("Failed to access remote file: {0}", vol.Name), ex);
}
}
// If we managed to recover all blocks, NICE!
var missingBlocks = mbl.GetMissingBlocks().Count();
if (missingBlocks > 0)
{
//TODO: How do we handle this situation?
m_result.AddMessage(string.Format("Repair cannot acquire {0} required blocks for volume {1}, which are required by the following filesets: ", missingBlocks, n.Name));
foreach(var f in mbl.GetFilesetsUsingMissingBlocks())
m_result.AddMessage(f.Name);
if (!m_options.Dryrun)
{
m_result.AddMessage("This may be fixed by deleting the filesets and running repair again");
throw new Exception(string.Format("Repair not possible, missing {0} blocks!!!", missingBlocks));
}
}
else
{
if (m_options.Dryrun)
m_result.AddDryrunMessage(string.Format("would re-upload block file {0}, with size {1}, previous size {2}", n.Name, Library.Utility.Utility.FormatSizeString(new System.IO.FileInfo(w.LocalFilename).Length), Library.Utility.Utility.FormatSizeString(n.Size)));
else
{
db.UpdateRemoteVolume(w.RemoteFilename, RemoteVolumeState.Uploading, -1, null, null);
backend.Put(w);
}
}
}
}
}
catch (Exception ex)
{
if (newEntry != null)
try { newEntry.Dispose(); }
catch { }
finally { newEntry = null; }
m_result.AddError(string.Format("Failed to perform cleanup for missing file: {0}, message: {1}", n.Name, ex.Message), ex);
if (ex is System.Threading.ThreadAbortException)
throw;
}
}
}
else
{
m_result.AddMessage("Destination and database are synchronized, not making any changes");
}
m_result.OperationProgressUpdater.UpdateProgress(1);
backend.WaitForComplete(db, null);
db.WriteResults();
}
}
public void Run(string[] sources, Library.Utility.IFilter filter)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_Begin);
using(m_database = new LocalBackupDatabase(m_options.Dbpath, m_options))
{
m_result.SetDatabase(m_database);
m_result.Dryrun = m_options.Dryrun;
Utility.VerifyParameters(m_database, m_options);
m_database.VerifyConsistency(null);
// If there is no filter, we set an empty filter to simplify the code
// If there is a filter, we make sure that the sources are included
m_filter = filter ?? new Library.Utility.FilterExpression();
m_sourceFilter = new Library.Utility.FilterExpression(sources, true);
var lastVolumeSize = -1L;
m_backendLogFlushTimer = DateTime.Now.Add(FLUSH_TIMESPAN);
System.Threading.Thread parallelScanner = null;
try
{
m_snapshot = GetSnapshot(sources, m_options, m_result);
// Start parallel scan
if (m_options.ChangedFilelist == null || m_options.ChangedFilelist.Length < 1)
{
parallelScanner = new System.Threading.Thread(CountFilesThread) {
Name = "Read ahead file counter",
IsBackground = true
};
parallelScanner.Start();
}
using(m_backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, m_database))
using(m_filesetvolume = new FilesetVolumeWriter(m_options, m_database.OperationTimestamp))
{
var incompleteFilesets = m_database.GetIncompleteFilesets(null).OrderBy(x => x.Value).ToArray();
if (incompleteFilesets.Length != 0)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_PreviousBackupFinalize);
m_result.AddMessage(string.Format("Uploading filelist from previous interrupted backup"));
using(var trn = m_database.BeginTransaction())
{
var incompleteSet = incompleteFilesets.Last();
var badIds = from n in incompleteFilesets select n.Key;
var prevs = (from n in m_database.FilesetTimes
where
n.Key < incompleteSet.Key
&&
!badIds.Contains(n.Key)
orderby n.Key
select n.Key).ToArray();
var prevId = prevs.Length == 0 ? -1 : prevs.Last();
FilesetVolumeWriter fsw = null;
try
{
var s = 1;
var fileTime = incompleteSet.Value + TimeSpan.FromSeconds(s);
var oldFilesetID = incompleteSet.Key;
// Probe for an unused filename
while (s < 60)
{
var id = m_database.GetRemoteVolumeID(VolumeBase.GenerateFilename(RemoteVolumeType.Files, m_options, null, fileTime));
if (id < 0)
break;
fileTime = incompleteSet.Value + TimeSpan.FromSeconds(++s);
}
fsw = new FilesetVolumeWriter(m_options, fileTime);
fsw.VolumeID = m_database.RegisterRemoteVolume(fsw.RemoteFilename, RemoteVolumeType.Files, RemoteVolumeState.Temporary, m_transaction);
var newFilesetID = m_database.CreateFileset(fsw.VolumeID, fileTime, trn);
m_database.LinkFilesetToVolume(newFilesetID, fsw.VolumeID, trn);
m_database.AppendFilesFromPreviousSet(trn, null, newFilesetID, prevId, fileTime);
m_database.WriteFileset(fsw, trn, newFilesetID);
if (m_options.Dryrun)
{
m_result.AddDryrunMessage(string.Format("Would upload fileset: {0}, size: {1}", fsw.RemoteFilename, Library.Utility.Utility.FormatSizeString(new FileInfo(fsw.LocalFilename).Length)));
}
else
{
m_database.UpdateRemoteVolume(fsw.RemoteFilename, RemoteVolumeState.Uploading, -1, null, trn);
using(new Logging.Timer("CommitUpdateFilelistVolume"))
trn.Commit();
m_backend.Put(fsw);
fsw = null;
}
}
finally
{
if (fsw != null)
try { fsw.Dispose(); }
catch { fsw = null; }
}
}
}
if (!m_options.NoBackendverification)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_PreBackupVerify);
using(new Logging.Timer("PreBackupVerify"))
{
try
{
FilelistProcessor.VerifyRemoteList(m_backend, m_options, m_database, m_result.BackendWriter);
}
catch (Exception ex)
{
if (m_options.AutoCleanup)
{
m_result.AddWarning("Backend verification failed, attempting automatic cleanup", ex);
m_result.RepairResults = new RepairResults(m_result);
new RepairHandler(m_backend.BackendUrl, m_options, (RepairResults)m_result.RepairResults).Run();
m_result.AddMessage("Backend cleanup finished, retrying verification");
FilelistProcessor.VerifyRemoteList(m_backend, m_options, m_database, m_result.BackendWriter);
}
else
throw;
}
}
}
m_database.BuildLookupTable(m_options);
m_transaction = m_database.BeginTransaction();
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_ProcessingFiles);
var filesetvolumeid = m_database.RegisterRemoteVolume(m_filesetvolume.RemoteFilename, RemoteVolumeType.Files, RemoteVolumeState.Temporary, m_transaction);
m_database.CreateFileset(filesetvolumeid, VolumeBase.ParseFilename(m_filesetvolume.RemoteFilename).Time, m_transaction);
m_blockvolume = new BlockVolumeWriter(m_options);
m_blockvolume.VolumeID = m_database.RegisterRemoteVolume(m_blockvolume.RemoteFilename, RemoteVolumeType.Blocks, RemoteVolumeState.Temporary, m_transaction);
if (m_options.IndexfilePolicy != Options.IndexFileStrategy.None)
{
m_indexvolume = new IndexVolumeWriter(m_options);
m_indexvolume.VolumeID = m_database.RegisterRemoteVolume(m_indexvolume.RemoteFilename, RemoteVolumeType.Index, RemoteVolumeState.Temporary, m_transaction);
}
var filterhandler = new FilterHandler(m_snapshot, m_attributeFilter, m_sourceFilter, m_filter, m_symlinkPolicy, m_options.HardlinkPolicy, m_result);
using(new Logging.Timer("BackupMainOperation"))
{
if (m_options.ChangedFilelist != null && m_options.ChangedFilelist.Length >= 1)
{
m_result.AddVerboseMessage("Processing supplied change list instead of enumerating filesystem");
m_result.OperationProgressUpdater.UpdatefileCount(m_options.ChangedFilelist.Length, 0, true);
foreach(var p in m_options.ChangedFilelist)
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
m_result.AddMessage("Stopping backup operation on request");
break;
}
FileAttributes fa = new FileAttributes();
try
{
fa = m_snapshot.GetAttributes(p);
}
catch (Exception ex)
{
m_result.AddWarning(string.Format("Failed to read attributes: {0}, message: {1}", p, ex.Message), ex);
}
if (filterhandler.AttributeFilter(null, p, fa))
{
try
{
this.HandleFilesystemEntry(p, fa);
}
catch (Exception ex)
{
m_result.AddWarning(string.Format("Failed to process element: {0}, message: {1}", p, ex.Message), ex);
}
}
}
m_database.AppendFilesFromPreviousSet(m_transaction, m_options.DeletedFilelist);
}
else
{
foreach(var path in m_snapshot.EnumerateFilesAndFolders(filterhandler.AttributeFilter))
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
m_result.AddMessage("Stopping backup operation on request");
break;
}
this.HandleFilesystemEntry(path, m_snapshot.GetAttributes(path));
}
}
//If the scanner is still running for some reason, make sure we kill it now
if (parallelScanner != null && parallelScanner.IsAlive)
parallelScanner.Abort();
// We no longer need to snapshot active
try { m_snapshot.Dispose(); }
finally { m_snapshot = null; }
m_result.OperationProgressUpdater.UpdatefileCount(m_result.ExaminedFiles, m_result.SizeOfExaminedFiles, true);
}
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_Finalize);
using(new Logging.Timer("FinalizeRemoteVolumes"))
{
if (m_blockvolume.SourceSize > 0)
{
lastVolumeSize = m_blockvolume.SourceSize;
if (m_options.Dryrun)
{
m_result.AddDryrunMessage(string.Format("Would upload block volume: {0}, size: {1}", m_blockvolume.RemoteFilename, Library.Utility.Utility.FormatSizeString(new FileInfo(m_blockvolume.LocalFilename).Length)));
if (m_indexvolume != null)
{
m_blockvolume.Close();
UpdateIndexVolume();
m_indexvolume.FinishVolume(Library.Utility.Utility.CalculateHash(m_blockvolume.LocalFilename), new FileInfo(m_blockvolume.LocalFilename).Length);
m_result.AddDryrunMessage(string.Format("Would upload index volume: {0}, size: {1}", m_indexvolume.RemoteFilename, Library.Utility.Utility.FormatSizeString(new FileInfo(m_indexvolume.LocalFilename).Length)));
}
m_blockvolume.Dispose();
m_blockvolume = null;
m_indexvolume.Dispose();
m_indexvolume = null;
}
else
{
m_database.UpdateRemoteVolume(m_blockvolume.RemoteFilename, RemoteVolumeState.Uploading, -1, null, m_transaction);
m_blockvolume.Close();
UpdateIndexVolume();
using(new Logging.Timer("CommitUpdateRemoteVolume"))
m_transaction.Commit();
m_transaction = m_database.BeginTransaction();
m_backend.Put(m_blockvolume, m_indexvolume);
m_blockvolume = null;
m_indexvolume = null;
}
}
else
{
m_database.RemoveRemoteVolume(m_blockvolume.RemoteFilename, m_transaction);
if (m_indexvolume != null)
m_database.RemoveRemoteVolume(m_indexvolume.RemoteFilename, m_transaction);
}
}
using(new Logging.Timer("UpdateChangeStatistics"))
m_database.UpdateChangeStatistics(m_result);
using(new Logging.Timer("VerifyConsistency"))
m_database.VerifyConsistency(m_transaction);
var changeCount =
m_result.AddedFiles + m_result.ModifiedFiles + m_result.DeletedFiles +
m_result.AddedFolders + m_result.ModifiedFolders + m_result.DeletedFolders +
m_result.AddedSymlinks + m_result.ModifiedSymlinks + m_result.DeletedSymlinks;
//Changes in the filelist triggers a filelist upload
if (m_options.UploadUnchangedBackups || changeCount > 0)
{
using(new Logging.Timer("Uploading a new fileset"))
{
if (!string.IsNullOrEmpty(m_options.ControlFiles))
foreach(var p in m_options.ControlFiles.Split(new char[] { System.IO.Path.PathSeparator }, StringSplitOptions.RemoveEmptyEntries))
m_filesetvolume.AddControlFile(p, m_options.GetCompressionHintFromFilename(p));
m_database.WriteFileset(m_filesetvolume, m_transaction);
m_filesetvolume.Close();
if (m_options.Dryrun)
m_result.AddDryrunMessage(string.Format("Would upload fileset volume: {0}, size: {1}", m_filesetvolume.RemoteFilename, Library.Utility.Utility.FormatSizeString(new FileInfo(m_filesetvolume.LocalFilename).Length)));
else
{
m_database.UpdateRemoteVolume(m_filesetvolume.RemoteFilename, RemoteVolumeState.Uploading, -1, null, m_transaction);
using(new Logging.Timer("CommitUpdateRemoteVolume"))
m_transaction.Commit();
m_transaction = m_database.BeginTransaction();
m_backend.Put(m_filesetvolume);
}
}
}
else
{
m_result.AddVerboseMessage("removing temp files, as no data needs to be uploaded");
m_database.RemoveRemoteVolume(m_filesetvolume.RemoteFilename, m_transaction);
}
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_WaitForUpload);
using(new Logging.Timer("Async backend wait"))
m_backend.WaitForComplete(m_database, m_transaction);
if (m_result.TaskControlRendevouz() != TaskControlState.Stop)
{
if (m_options.KeepTime.Ticks > 0 || m_options.KeepVersions != 0)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_Delete);
m_result.DeleteResults = new DeleteResults(m_result);
using(var db = new LocalDeleteDatabase(m_database))
new DeleteHandler(m_backend.BackendUrl, m_options, (DeleteResults)m_result.DeleteResults).DoRun(db, m_transaction, true, lastVolumeSize <= m_options.SmallFileSize);
}
else if (lastVolumeSize <= m_options.SmallFileSize && !m_options.NoAutoCompact)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_Compact);
m_result.CompactResults = new CompactResults(m_result);
using(var db = new LocalDeleteDatabase(m_database))
new CompactHandler(m_backend.BackendUrl, m_options, (CompactResults)m_result.CompactResults).DoCompact(db, true, m_transaction);
}
}
if (m_options.UploadVerificationFile)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_VerificationUpload);
FilelistProcessor.UploadVerificationFile(m_backend.BackendUrl, m_options, m_result.BackendWriter, m_database, m_transaction);
}
if (m_options.Dryrun)
{
m_transaction.Rollback();
m_transaction = null;
}
else
{
using(new Logging.Timer("CommitFinalizingBackup"))
m_transaction.Commit();
m_transaction = null;
m_database.Vacuum();
if (m_result.TaskControlRendevouz() != TaskControlState.Stop && !m_options.NoBackendverification)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_PostBackupVerify);
using(var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, m_database))
{
using(new Logging.Timer("AfterBackupVerify"))
FilelistProcessor.VerifyRemoteList(backend, m_options, m_database, m_result.BackendWriter);
backend.WaitForComplete(m_database, null);
}
if (m_options.BackupTestSampleCount > 0 && m_database.GetRemoteVolumes().Count() > 0)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_PostBackupTest);
m_result.TestResults = new TestResults(m_result);
using(var testdb = new LocalTestDatabase(m_database))
using(var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, testdb))
new TestHandler(m_backendurl, m_options, new TestResults(m_result))
.DoRun(m_options.BackupTestSampleCount, testdb, backend);
}
}
}
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_Complete);
m_database.WriteResults();
return;
}
}
catch (Exception ex)
{
m_result.AddError("Fatal error", ex);
throw;
}
finally
{
if (parallelScanner != null && parallelScanner.IsAlive)
{
parallelScanner.Abort();
parallelScanner.Join(500);
if (parallelScanner.IsAlive)
m_result.AddWarning("Failed to terminate filecounter thread", null);
}
if (m_snapshot != null)
try { m_snapshot.Dispose(); }
catch (Exception ex) { m_result.AddError(string.Format("Failed to dispose snapshot"), ex); }
finally { m_snapshot = null; }
if (m_transaction != null)
try { m_transaction.Rollback(); }
catch (Exception ex) { m_result.AddError(string.Format("Rollback error: {0}", ex.Message), ex); }
}
}
}
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();
}
}
public void DoRun(long samples, LocalTestDatabase db, BackendManager backend)
{
var files = db.SelectTestTargets(samples, m_options).ToList();
m_results.OperationProgressUpdater.UpdatePhase(OperationPhase.Verify_Running);
m_results.OperationProgressUpdater.UpdateProgress(0);
var progress = 0L;
if (m_options.FullRemoteVerification)
{
foreach (var vol in new AsyncDownloader(files, backend))
{
try
{
if (m_results.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(db, null);
m_results.EndTime = DateTime.UtcNow;
return;
}
progress++;
m_results.OperationProgressUpdater.UpdateProgress((float)progress / files.Count);
KeyValuePair <string, IEnumerable <KeyValuePair <TestEntryStatus, string> > > res;
using (var tf = vol.TempFile)
res = TestVolumeInternals(db, vol, tf, m_options, m_options.FullBlockVerification ? 1.0 : 0.2);
m_results.AddResult(res.Key, res.Value);
if (!string.IsNullOrWhiteSpace(vol.Hash) && vol.Size > 0)
{
if (res.Value == null || !res.Value.Any())
{
var rv = db.GetRemoteVolume(vol.Name, null);
if (rv.ID < 0)
{
if (string.IsNullOrWhiteSpace(rv.Hash) || rv.Size <= 0)
{
if (m_options.Dryrun)
{
Logging.Log.WriteDryrunMessage(LOGTAG, "CaptureHashAndSize", "Sucessfully captured hash and size for {0}, would update database", vol.Name);
}
else
{
Logging.Log.WriteInformationMessage(LOGTAG, "CaptureHashAndSize", "Sucessfully captured hash and size for {0}, updating database", vol.Name);
db.UpdateRemoteVolume(vol.Name, RemoteVolumeState.Verified, vol.Size, vol.Hash);
}
}
}
}
}
db.UpdateVerificationCount(vol.Name);
}
catch (Exception ex)
{
m_results.AddResult(vol.Name, new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string>[] { new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string>(Duplicati.Library.Interface.TestEntryStatus.Error, ex.Message) });
Logging.Log.WriteErrorMessage(LOGTAG, "RemoteFileProcessingFailed", ex, "Failed to process file {0}", vol.Name);
if (ex is System.Threading.ThreadAbortException)
{
m_results.EndTime = DateTime.UtcNow;
throw;
}
}
}
}
else
{
foreach (var f in files)
{
try
{
if (m_results.TaskControlRendevouz() == TaskControlState.Stop)
{
m_results.EndTime = DateTime.UtcNow;
return;
}
progress++;
m_results.OperationProgressUpdater.UpdateProgress((float)progress / files.Count);
if (f.Size <= 0 || string.IsNullOrWhiteSpace(f.Hash))
{
Logging.Log.WriteInformationMessage(LOGTAG, "MissingRemoteHash", "No hash or size recorded for {0}, performing full verification", f.Name);
KeyValuePair <string, IEnumerable <KeyValuePair <TestEntryStatus, string> > > res;
string hash;
long size;
using (var tf = backend.GetWithInfo(f.Name, out size, out hash))
res = TestVolumeInternals(db, f, tf, m_options, 1);
m_results.AddResult(res.Key, res.Value);
if (!string.IsNullOrWhiteSpace(hash) && size > 0)
{
if (res.Value == null || !res.Value.Any())
{
if (m_options.Dryrun)
{
Logging.Log.WriteDryrunMessage(LOGTAG, "CapturedHashAndSize", "Sucessfully captured hash and size for {0}, would update database", f.Name);
}
else
{
Logging.Log.WriteInformationMessage(LOGTAG, "CapturedHashAndSize", "Sucessfully captured hash and size for {0}, updating database", f.Name);
db.UpdateRemoteVolume(f.Name, RemoteVolumeState.Verified, size, hash);
}
}
}
}
else
{
backend.GetForTesting(f.Name, f.Size, f.Hash);
}
db.UpdateVerificationCount(f.Name);
m_results.AddResult(f.Name, new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string> [0]);
}
catch (Exception ex)
{
m_results.AddResult(f.Name, new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string>[] { new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string>(Duplicati.Library.Interface.TestEntryStatus.Error, ex.Message) });
Logging.Log.WriteErrorMessage(LOGTAG, "FailedToProcessFile", ex, "Failed to process file {0}", f.Name);
if (ex is System.Threading.ThreadAbortException)
{
m_results.EndTime = DateTime.UtcNow;
throw;
}
}
}
}
m_results.EndTime = DateTime.UtcNow;
}
internal bool DoCompact(LocalDeleteDatabase db, bool hasVerifiedBackend, ref System.Data.IDbTransaction transaction)
{
var report = db.GetCompactReport(m_options.VolumeSize, m_options.Threshold, m_options.SmallFileSize, m_options.SmallFileMaxCount, transaction);
report.ReportCompactData(m_result);
if (report.ShouldReclaim || report.ShouldCompact)
{
using (var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, db))
{
if (!hasVerifiedBackend && !m_options.NoBackendverification)
{
FilelistProcessor.VerifyRemoteList(backend, m_options, db, m_result.BackendWriter);
}
BlockVolumeWriter newvol = new BlockVolumeWriter(m_options);
newvol.VolumeID = db.RegisterRemoteVolume(newvol.RemoteFilename, RemoteVolumeType.Blocks, RemoteVolumeState.Temporary, transaction);
IndexVolumeWriter newvolindex = null;
if (m_options.IndexfilePolicy != Options.IndexFileStrategy.None)
{
newvolindex = new IndexVolumeWriter(m_options);
newvolindex.VolumeID = db.RegisterRemoteVolume(newvolindex.RemoteFilename, RemoteVolumeType.Index, RemoteVolumeState.Temporary, transaction);
db.AddIndexBlockLink(newvolindex.VolumeID, newvol.VolumeID, transaction);
newvolindex.StartVolume(newvol.RemoteFilename);
}
long blocksInVolume = 0;
long discardedBlocks = 0;
long discardedSize = 0;
byte[] buffer = new byte[m_options.Blocksize];
var remoteList = db.GetRemoteVolumes().Where(n => n.State == RemoteVolumeState.Uploaded || n.State == RemoteVolumeState.Verified).ToArray();
//These are for bookkeeping
var uploadedVolumes = new List <KeyValuePair <string, long> >();
var deletedVolumes = new List <KeyValuePair <string, long> >();
var downloadedVolumes = new List <KeyValuePair <string, long> >();
//We start by deleting unused volumes to save space before uploading new stuff
var fullyDeleteable = (from v in remoteList
where report.DeleteableVolumes.Contains(v.Name)
select(IRemoteVolume) v).ToList();
deletedVolumes.AddRange(DoDelete(db, backend, fullyDeleteable, ref transaction));
// This list is used to pick up unused volumes,
// so they can be deleted once the upload of the
// required fragments is complete
var deleteableVolumes = new List <IRemoteVolume>();
if (report.ShouldCompact)
{
var volumesToDownload = (from v in remoteList
where report.CompactableVolumes.Contains(v.Name)
select(IRemoteVolume) v).ToList();
using (var q = db.CreateBlockQueryHelper(m_options, transaction))
{
foreach (var entry in new AsyncDownloader(volumesToDownload, backend))
{
using (var tmpfile = entry.TempFile)
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(db, transaction);
return(false);
}
downloadedVolumes.Add(new KeyValuePair <string, long>(entry.Name, entry.Size));
var inst = VolumeBase.ParseFilename(entry.Name);
using (var f = new BlockVolumeReader(inst.CompressionModule, tmpfile, m_options))
{
foreach (var e in f.Blocks)
{
if (q.UseBlock(e.Key, e.Value, transaction))
{
//TODO: How do we get the compression hint? Reverse query for filename in db?
var s = f.ReadBlock(e.Key, buffer);
if (s != e.Value)
{
throw new Exception("Size mismatch problem, {0} vs {1}");
}
newvol.AddBlock(e.Key, buffer, 0, s, Duplicati.Library.Interface.CompressionHint.Compressible);
if (newvolindex != null)
{
newvolindex.AddBlock(e.Key, e.Value);
}
db.MoveBlockToNewVolume(e.Key, e.Value, newvol.VolumeID, transaction);
blocksInVolume++;
if (newvol.Filesize > m_options.VolumeSize)
{
uploadedVolumes.Add(new KeyValuePair <string, long>(newvol.RemoteFilename, new System.IO.FileInfo(newvol.LocalFilename).Length));
if (newvolindex != null)
{
uploadedVolumes.Add(new KeyValuePair <string, long>(newvolindex.RemoteFilename, new System.IO.FileInfo(newvolindex.LocalFilename).Length));
}
if (!m_options.Dryrun)
{
backend.Put(newvol, newvolindex);
}
else
{
m_result.AddDryrunMessage(string.Format("Would upload generated blockset of size {0}", Library.Utility.Utility.FormatSizeString(new System.IO.FileInfo(newvol.LocalFilename).Length)));
}
newvol = new BlockVolumeWriter(m_options);
newvol.VolumeID = db.RegisterRemoteVolume(newvol.RemoteFilename, RemoteVolumeType.Blocks, RemoteVolumeState.Temporary, transaction);
if (m_options.IndexfilePolicy != Options.IndexFileStrategy.None)
{
newvolindex = new IndexVolumeWriter(m_options);
newvolindex.VolumeID = db.RegisterRemoteVolume(newvolindex.RemoteFilename, RemoteVolumeType.Index, RemoteVolumeState.Temporary, transaction);
db.AddIndexBlockLink(newvolindex.VolumeID, newvol.VolumeID, transaction);
newvolindex.StartVolume(newvol.RemoteFilename);
}
blocksInVolume = 0;
//After we upload this volume, we can delete all previous encountered volumes
deletedVolumes.AddRange(DoDelete(db, backend, deleteableVolumes, ref transaction));
deleteableVolumes = new List <IRemoteVolume>();
}
}
else
{
discardedBlocks++;
discardedSize += e.Value;
}
}
}
deleteableVolumes.Add(entry);
}
}
if (blocksInVolume > 0)
{
uploadedVolumes.Add(new KeyValuePair <string, long>(newvol.RemoteFilename, new System.IO.FileInfo(newvol.LocalFilename).Length));
if (newvolindex != null)
{
uploadedVolumes.Add(new KeyValuePair <string, long>(newvolindex.RemoteFilename, new System.IO.FileInfo(newvolindex.LocalFilename).Length));
}
if (!m_options.Dryrun)
{
backend.Put(newvol, newvolindex);
}
else
{
m_result.AddDryrunMessage(string.Format("Would upload generated blockset of size {0}", Library.Utility.Utility.FormatSizeString(new System.IO.FileInfo(newvol.LocalFilename).Length)));
}
}
else
{
db.RemoveRemoteVolume(newvol.RemoteFilename, transaction);
if (newvolindex != null)
{
db.RemoveRemoteVolume(newvolindex.RemoteFilename, transaction);
newvolindex.FinishVolume(null, 0);
}
}
}
}
deletedVolumes.AddRange(DoDelete(db, backend, deleteableVolumes, ref transaction));
var downloadSize = downloadedVolumes.Where(x => x.Value >= 0).Aggregate(0L, (a, x) => a + x.Value);
var deletedSize = deletedVolumes.Where(x => x.Value >= 0).Aggregate(0L, (a, x) => a + x.Value);
var uploadSize = uploadedVolumes.Where(x => x.Value >= 0).Aggregate(0L, (a, x) => a + x.Value);
m_result.DeletedFileCount = deletedVolumes.Count;
m_result.DownloadedFileCount = downloadedVolumes.Count;
m_result.UploadedFileCount = uploadedVolumes.Count;
m_result.DeletedFileSize = deletedSize;
m_result.DownloadedFileSize = downloadSize;
m_result.UploadedFileSize = uploadSize;
m_result.Dryrun = m_options.Dryrun;
if (m_result.Dryrun)
{
if (downloadedVolumes.Count == 0)
{
m_result.AddDryrunMessage(string.Format("Would delete {0} files, which would reduce storage by {1}", m_result.DeletedFileCount, Library.Utility.Utility.FormatSizeString(m_result.DeletedFileSize)));
}
else
{
m_result.AddDryrunMessage(string.Format("Would download {0} file(s) with a total size of {1}, delete {2} file(s) with a total size of {3}, and compact to {4} file(s) with a size of {5}, which would reduce storage by {6} file(s) and {7}", m_result.DownloadedFileCount, Library.Utility.Utility.FormatSizeString(m_result.DownloadedFileSize), m_result.DeletedFileCount, Library.Utility.Utility.FormatSizeString(m_result.DeletedFileSize), m_result.UploadedFileCount, Library.Utility.Utility.FormatSizeString(m_result.UploadedFileSize), m_result.DeletedFileCount - m_result.UploadedFileCount, Library.Utility.Utility.FormatSizeString(m_result.DeletedFileSize - m_result.UploadedFileSize)));
}
}
else
{
if (m_result.DownloadedFileCount == 0)
{
m_result.AddMessage(string.Format("Deleted {0} files, which reduced storage by {1}", m_result.DeletedFileCount, Library.Utility.Utility.FormatSizeString(m_result.DeletedFileSize)));
}
else
{
m_result.AddMessage(string.Format("Downloaded {0} file(s) with a total size of {1}, deleted {2} file(s) with a total size of {3}, and compacted to {4} file(s) with a size of {5}, which reduced storage by {6} file(s) and {7}", m_result.DownloadedFileCount, Library.Utility.Utility.FormatSizeString(downloadSize), m_result.DeletedFileCount, Library.Utility.Utility.FormatSizeString(m_result.DeletedFileSize), m_result.UploadedFileCount, Library.Utility.Utility.FormatSizeString(m_result.UploadedFileSize), m_result.DeletedFileCount - m_result.UploadedFileCount, Library.Utility.Utility.FormatSizeString(m_result.DeletedFileSize - m_result.UploadedFileSize)));
}
}
backend.WaitForComplete(db, transaction);
}
return((m_result.DeletedFileCount + m_result.UploadedFileCount) > 0);
}
else
{
return(false);
}
}
/// <summary>
/// Uploads the verification file.
/// </summary>
/// <param name="backendurl">The backend url</param>
/// <param name="options">The options to use</param>
/// <param name="result">The result writer</param>
/// <param name="db">The attached database</param>
/// <param name="transaction">An optional transaction object</param>
public static void UploadVerificationFile(string backendurl, Options options, IBackendWriter result, LocalDatabase db, System.Data.IDbTransaction transaction)
{
using(var backend = new BackendManager(backendurl, options, result, db))
using(var tempfile = new Library.Utility.TempFile())
{
var remotename = options.Prefix + "-verification.json";
using(var stream = new System.IO.StreamWriter(tempfile, false, System.Text.Encoding.UTF8))
FilelistProcessor.CreateVerificationFile(db, stream);
if (options.Dryrun)
{
result.AddDryrunMessage(string.Format("Would upload verification file: {0}, size: {1}", remotename, Library.Utility.Utility.FormatSizeString(new System.IO.FileInfo(tempfile).Length)));
}
else
{
backend.PutUnencrypted(remotename, tempfile);
backend.WaitForComplete(db, transaction);
}
}
}
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);
}
}
}
private void DoRun(Database.LocalPurgeDatabase db, Library.Utility.IFilter filter, Action <System.Data.IDbCommand, long, string> filtercommand, float pgoffset, float pgspan)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.PurgeFiles_Begin);
Logging.Log.WriteInformationMessage(LOGTAG, "StartingPurge", "Starting purge operation");
var doCompactStep = !m_options.NoAutoCompact && filtercommand == null;
using (var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, db))
{
if (db.PartiallyRecreated)
{
throw new UserInformationException("The purge command does not work on partially recreated databases", "PurgeNotAllowedOnPartialDatabase");
}
if (db.RepairInProgress && filtercommand == null)
{
throw new UserInformationException(string.Format("The purge command does not work on an incomplete database, try the {0} operation.", "purge-broken-files"), "PurgeNotAllowedOnIncompleteDatabase");
}
var versions = db.GetFilesetIDs(m_options.Time, m_options.Version).OrderByDescending(x => x).ToArray();
if (versions.Length <= 0)
{
throw new UserInformationException("No filesets matched the supplied time or versions", "NoFilesetFoundForTimeOrVersion");
}
var orphans = db.CountOrphanFiles(null);
if (orphans != 0)
{
throw new UserInformationException(string.Format("Unable to start the purge process as there are {0} orphan file(s)", orphans), "CannotPurgeWithOrphans");
}
Utility.UpdateOptionsFromDb(db, m_options);
Utility.VerifyParameters(db, m_options);
if (filtercommand == null)
{
db.VerifyConsistency(m_options.Blocksize, m_options.BlockhashSize, false, null);
if (m_options.NoBackendverification)
{
FilelistProcessor.VerifyLocalList(backend, db);
}
else
{
FilelistProcessor.VerifyRemoteList(backend, m_options, db, m_result.BackendWriter, null);
}
}
var filesets = db.FilesetTimes.OrderByDescending(x => x.Value).ToArray();
var versionprogress = ((doCompactStep ? 0.75f : 1.0f) / versions.Length) * pgspan;
var currentprogress = pgoffset;
var progress = 0;
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.PurgeFiles_Process);
m_result.OperationProgressUpdater.UpdateProgress(currentprogress);
// Reverse makes sure we re-write the old versions first
foreach (var versionid in versions.Reverse())
{
progress++;
Logging.Log.WriteVerboseMessage(LOGTAG, "ProcessingFilelistVolumes", "Processing filelist volume {0} of {1}", progress, versions.Length);
using (var tr = db.BeginTransaction())
{
var ix = -1;
for (var i = 0; i < filesets.Length; i++)
{
if (filesets[i].Key == versionid)
{
ix = i;
break;
}
}
if (ix < 0)
{
throw new InvalidProgramException(string.Format("Fileset was reported with id {0}, but could not be found?", versionid));
}
var secs = 0;
while (secs < 60)
{
secs++;
var tfn = Volumes.VolumeBase.GenerateFilename(RemoteVolumeType.Files, m_options, null, filesets[ix].Value.AddSeconds(secs));
if (db.GetRemoteVolumeID(tfn, tr) < 0)
{
break;
}
}
var tsOriginal = filesets[ix].Value;
var ts = tsOriginal.AddSeconds(secs);
var prevfilename = db.GetRemoteVolumeNameForFileset(filesets[ix].Key, tr);
if (secs >= 60)
{
throw new Exception(string.Format("Unable to create a new fileset for {0} because the resulting timestamp {1} is more than 60 seconds away", prevfilename, ts));
}
if (ix != 0 && filesets[ix - 1].Value <= ts)
{
throw new Exception(string.Format("Unable to create a new fileset for {0} because the resulting timestamp {1} is larger than the next timestamp {2}", prevfilename, ts, filesets[ix - 1].Value));
}
using (var tempset = db.CreateTemporaryFileset(versionid, tr))
{
if (filtercommand == null)
{
tempset.ApplyFilter(filter);
}
else
{
tempset.ApplyFilter(filtercommand);
}
if (tempset.RemovedFileCount == 0)
{
Logging.Log.WriteInformationMessage(LOGTAG, "NotWritingNewFileset", "Not writing a new fileset for {0} as it was not changed", prevfilename);
currentprogress += versionprogress;
tr.Rollback();
continue;
}
else
{
using (var tf = new Library.Utility.TempFile())
using (var vol = new Volumes.FilesetVolumeWriter(m_options, ts))
{
var isOriginalFilesetFullBackup = db.IsFilesetFullBackup(tsOriginal);
var newids = tempset.ConvertToPermanentFileset(vol.RemoteFilename, ts, isOriginalFilesetFullBackup);
vol.VolumeID = newids.Item1;
vol.CreateFilesetFile(isOriginalFilesetFullBackup);
Logging.Log.WriteInformationMessage(LOGTAG, "ReplacingFileset", "Replacing fileset {0} with {1} which has with {2} fewer file(s) ({3} reduction)", prevfilename, vol.RemoteFilename, tempset.RemovedFileCount, Library.Utility.Utility.FormatSizeString(tempset.RemovedFileSize));
db.WriteFileset(vol, newids.Item2, tr);
m_result.RemovedFileSize += tempset.RemovedFileSize;
m_result.RemovedFileCount += tempset.RemovedFileCount;
m_result.RewrittenFileLists++;
currentprogress += (versionprogress / 2);
m_result.OperationProgressUpdater.UpdateProgress(currentprogress);
if (m_options.Dryrun || m_options.FullResult)
{
foreach (var fe in tempset.ListAllDeletedFiles())
{
var msg = string.Format(" Purging file {0} ({1})", fe.Key, Library.Utility.Utility.FormatSizeString(fe.Value));
Logging.Log.WriteProfilingMessage(LOGTAG, "PurgeFile", msg);
Logging.Log.WriteVerboseMessage(LOGTAG, "PurgeFile", msg);
if (m_options.Dryrun)
{
Logging.Log.WriteDryrunMessage(LOGTAG, "WouldPurgeFile", msg);
}
}
if (m_options.Dryrun)
{
Logging.Log.WriteDryrunMessage(LOGTAG, "WouldWriteRemoteFiles", "Would write files to remote storage");
}
Logging.Log.WriteVerboseMessage(LOGTAG, "WritingRemoteFiles", "Writing files to remote storage");
}
if (m_options.Dryrun)
{
Logging.Log.WriteDryrunMessage(LOGTAG, "WouldUploadAndDelete", "Would upload file {0} ({1}) and delete file {2}, removing {3} files", vol.RemoteFilename, Library.Utility.Utility.FormatSizeString(vol.Filesize), prevfilename, tempset.RemovedFileCount);
tr.Rollback();
}
else
{
var lst = db.DropFilesetsFromTable(new[] { filesets[ix].Value }, tr).ToArray();
foreach (var f in lst)
{
db.UpdateRemoteVolume(f.Key, RemoteVolumeState.Deleting, f.Value, null, tr);
}
tr.Commit();
backend.Put(vol, synchronous: true);
backend.Delete(prevfilename, -1, true);
backend.FlushDbMessages();
}
}
}
}
}
currentprogress += (versionprogress / 2);
m_result.OperationProgressUpdater.UpdateProgress(currentprogress);
}
if (doCompactStep)
{
if (m_result.RewrittenFileLists == 0)
{
Logging.Log.WriteInformationMessage(LOGTAG, "SkippingCompacting", "Skipping compacting as no new volumes were written");
}
else
{
m_result.OperationProgressUpdater.UpdateProgress(pgoffset + (0.75f * pgspan));
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.PurgeFiles_Compact);
m_result.CompactResults = new CompactResults(m_result);
using (var cdb = new Database.LocalDeleteDatabase(db))
{
var tr = cdb.BeginTransaction();
try
{
new CompactHandler(backend.BackendUrl, m_options, (CompactResults)m_result.CompactResults).DoCompact(cdb, true, ref tr, backend);
}
catch
{
try { tr.Rollback(); }
catch { }
}
finally
{
try { tr.Commit(); }
catch { }
}
}
}
m_result.OperationProgressUpdater.UpdateProgress(pgoffset + pgspan);
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.PurgeFiles_Complete);
}
backend.WaitForComplete(db, null);
}
}
/// <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(string.Format(Strings.Foresthash.InvalidHashAlgorithm, m_options.BlockHashAlgorithm));
var hashsize = hashalg.HashSize / 8;
//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();
foreach(var entry in new AsyncDownloader(filelistWork, backend))
try
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(restoredb, null);
return;
}
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;
foreach(var sf in new AsyncDownloader(indexfiles.ToList(), backend))
try
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(restoredb, null);
return;
}
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();
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;
}
var volumeid = restoredb.GetRemoteVolumeID(sf.Name);
// 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);
}
}
public void DoRun(long samples, LocalTestDatabase db, BackendManager backend)
{
var blockhasher = System.Security.Cryptography.HashAlgorithm.Create(m_options.BlockHashAlgorithm);
if (blockhasher == null)
{
throw new Exception(string.Format(Strings.Foresthash.InvalidHashAlgorithm, m_options.BlockHashAlgorithm));
}
if (!blockhasher.CanReuseTransform)
{
throw new Exception(string.Format(Strings.Foresthash.InvalidCryptoSystem, m_options.BlockHashAlgorithm));
}
var hashsize = blockhasher.HashSize / 8;
var files = db.SelectTestTargets(samples, m_options).ToList();
if (m_options.FullRemoteVerification)
{
foreach (var vol in new AsyncDownloader(files, backend))
{
var parsedInfo = Volumes.VolumeBase.ParseFilename(vol.Name);
try
{
if (m_results.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(db, null);
return;
}
using (var tf = vol.TempFile)
{
if (parsedInfo.FileType == RemoteVolumeType.Files)
{
//Compare with db and see if all files are accounted for
// with correct file hashes and blocklist hashes
using (var fl = db.CreateFilelist(vol.Name))
{
using (var rd = new Volumes.FilesetVolumeReader(parsedInfo.CompressionModule, tf, m_options))
foreach (var f in rd.Files)
{
fl.Add(f.Path, f.Size, f.Hash, f.Metasize, f.Metahash, f.BlocklistHashes, f.Type, f.Time);
}
m_results.AddResult(vol.Name, fl.Compare().ToList());
}
}
else if (parsedInfo.FileType == RemoteVolumeType.Index)
{
var blocklinks = new List <Tuple <string, string, long> >();
IEnumerable <KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string> > combined = new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string> [0];
//Compare with db and see that all hashes and volumes are listed
using (var rd = new Volumes.IndexVolumeReader(parsedInfo.CompressionModule, tf, m_options, hashsize))
foreach (var v in rd.Volumes)
{
blocklinks.Add(new Tuple <string, string, long>(v.Filename, v.Hash, v.Length));
using (var bl = db.CreateBlocklist(v.Filename))
{
foreach (var h in v.Blocks)
{
bl.AddBlock(h.Key, h.Value);
}
combined = combined.Union(bl.Compare().ToArray());
}
}
using (var il = db.CreateIndexlist(vol.Name))
{
foreach (var t in blocklinks)
{
il.AddBlockLink(t.Item1, t.Item2, t.Item3);
}
combined = combined.Union(il.Compare()).ToList();
}
m_results.AddResult(vol.Name, combined.ToList());
}
else if (parsedInfo.FileType == RemoteVolumeType.Blocks)
{
using (var bl = db.CreateBlocklist(vol.Name))
using (var rd = new Volumes.BlockVolumeReader(parsedInfo.CompressionModule, tf, m_options))
{
//Verify that all blocks are in the file
foreach (var b in rd.Blocks)
{
bl.AddBlock(b.Key, b.Value);
}
//Select 20% random blocks and verify their hashes match the filename and size
var hashsamples = new List <KeyValuePair <string, long> >(rd.Blocks);
var sampleCount = Math.Min(Math.Max(0, (int)(hashsamples.Count * 0.2)), hashsamples.Count - 1);
var rnd = new Random();
while (hashsamples.Count > sampleCount)
{
hashsamples.RemoveAt(rnd.Next(hashsamples.Count));
}
var blockbuffer = new byte[m_options.Blocksize];
var changes = new List <KeyValuePair <Library.Interface.TestEntryStatus, string> >();
foreach (var s in hashsamples)
{
var size = rd.ReadBlock(s.Key, blockbuffer);
if (size != s.Value)
{
changes.Add(new KeyValuePair <Library.Interface.TestEntryStatus, string>(Library.Interface.TestEntryStatus.Modified, s.Key));
}
else
{
var hash = Convert.ToBase64String(blockhasher.ComputeHash(blockbuffer, 0, size));
if (hash != s.Key)
{
changes.Add(new KeyValuePair <Library.Interface.TestEntryStatus, string>(Library.Interface.TestEntryStatus.Modified, s.Key));
}
}
}
m_results.AddResult(vol.Name, changes.Union(bl.Compare().ToList()));
}
}
}
db.UpdateVerificationCount(vol.Name);
}
catch (Exception ex)
{
m_results.AddResult(vol.Name, new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string>[] { new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string>(Duplicati.Library.Interface.TestEntryStatus.Error, ex.Message) });
m_results.AddError(string.Format("Failed to process file {0}", vol.Name), ex);
if (ex is System.Threading.ThreadAbortException)
{
throw;
}
}
}
}
else
{
foreach (var f in files)
{
try
{
if (m_results.TaskControlRendevouz() == TaskControlState.Stop)
{
return;
}
backend.GetForTesting(f.Name, f.Size, f.Hash);
db.UpdateVerificationCount(f.Name);
m_results.AddResult(f.Name, new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string> [0]);
}
catch (Exception ex)
{
m_results.AddResult(f.Name, new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string>[] { new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string>(Duplicati.Library.Interface.TestEntryStatus.Error, ex.Message) });
m_results.AddError(string.Format("Failed to process file {0}", f.Name), ex);
if (ex is System.Threading.ThreadAbortException)
{
throw;
}
}
}
}
}
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();
}
}
private void DoRun(LocalDatabase dbparent, Library.Utility.IFilter filter, RestoreResults result)
{
//In this case, we check that the remote storage fits with the database.
//We can then query the database and find the blocks that we need to do the restore
using(var database = new LocalRestoreDatabase(dbparent, m_options.Blocksize))
using(var backend = new BackendManager(m_backendurl, m_options, result.BackendWriter, database))
{
database.SetResult(m_result);
Utility.VerifyParameters(database, m_options);
var blockhasher = System.Security.Cryptography.HashAlgorithm.Create(m_options.BlockHashAlgorithm);
var filehasher = System.Security.Cryptography.HashAlgorithm.Create(m_options.FileHashAlgorithm);
if (blockhasher == null)
throw new Exception(string.Format(Strings.Foresthash.InvalidHashAlgorithm, m_options.BlockHashAlgorithm));
if (!blockhasher.CanReuseTransform)
throw new Exception(string.Format(Strings.Foresthash.InvalidCryptoSystem, m_options.BlockHashAlgorithm));
if (filehasher == null)
throw new Exception(string.Format(Strings.Foresthash.InvalidHashAlgorithm, m_options.FileHashAlgorithm));
if (!filehasher.CanReuseTransform)
throw new Exception(string.Format(Strings.Foresthash.InvalidCryptoSystem, m_options.FileHashAlgorithm));
if (!m_options.NoBackendverification)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Restore_PreRestoreVerify);
FilelistProcessor.VerifyRemoteList(backend, m_options, database, result.BackendWriter);
}
//Figure out what files are to be patched, and what blocks are needed
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Restore_CreateFileList);
using(new Logging.Timer("PrepareBlockList"))
PrepareBlockAndFileList(database, m_options, filter, result);
//Make the entire output setup
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Restore_CreateTargetFolders);
using(new Logging.Timer("CreateDirectory"))
CreateDirectoryStructure(database, m_options, result);
//If we are patching an existing target folder, do not touch stuff that is already updated
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Restore_ScanForExistingFiles);
using(new Logging.Timer("ScanForexistingTargetBlocks"))
ScanForExistingTargetBlocks(database, m_blockbuffer, blockhasher, filehasher, m_options, result);
//Look for existing blocks in the original source files only
using(new Logging.Timer("ScanForExistingSourceBlocksFast"))
#if DEBUG
if (!m_options.NoLocalBlocks && !string.IsNullOrEmpty(m_options.Restorepath))
#else
if (!string.IsNullOrEmpty(m_options.Restorepath))
#endif
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Restore_ScanForLocalBlocks);
ScanForExistingSourceBlocksFast(database, m_options, m_blockbuffer, blockhasher, result);
}
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(database, null);
return;
}
// If other local files already have the blocks we want, we use them instead of downloading
if (m_options.PatchWithLocalBlocks)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Restore_PatchWithLocalBlocks);
using(new Logging.Timer("PatchWithLocalBlocks"))
ScanForExistingSourceBlocks(database, m_options, m_blockbuffer, blockhasher, result);
}
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(database, null);
return;
}
// Fill BLOCKS with remote sources
var volumes = database.GetMissingVolumes().ToList();
if (volumes.Count > 0)
{
m_result.AddMessage(string.Format("{0} remote files are required to restore", volumes.Count));
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Restore_DownloadingRemoteFiles);
}
var brokenFiles = new List<string>();
foreach(var blockvolume in new AsyncDownloader(volumes, backend))
try
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(database, null);
return;
}
using(var tmpfile = blockvolume.TempFile)
using(var blocks = new BlockVolumeReader(GetCompressionModule(blockvolume.Name), tmpfile, m_options))
PatchWithBlocklist(database, blocks, m_options, result, m_blockbuffer);
}
catch (Exception ex)
{
brokenFiles.Add(blockvolume.Name);
result.AddError(string.Format("Failed to patch with remote file: \"{0}\", message: {1}", blockvolume.Name, ex.Message), ex);
if (ex is System.Threading.ThreadAbortException)
throw;
}
// Reset the filehasher if it was used to verify existing files
filehasher.Initialize();
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
return;
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Restore_PostRestoreVerify);
var fileErrors = 0L;
// After all blocks in the files are restored, verify the file hash
using(new Logging.Timer("RestoreVerification"))
foreach (var file in database.GetFilesToRestore())
{
try
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(database, null);
return;
}
result.AddVerboseMessage("Testing restored file integrity: {0}", file.Path);
string key;
long size;
using (var fs = m_systemIO.FileOpenRead(file.Path))
{
size = fs.Length;
key = Convert.ToBase64String(filehasher.ComputeHash(fs));
}
if (key != file.Hash)
throw new Exception(string.Format("Failed to restore file: \"{0}\". File hash is {1}, expected hash is {2}", file.Path, key, file.Hash));
result.FilesRestored++;
result.SizeOfRestoredFiles += size;
}
catch (Exception ex)
{
fileErrors++;
result.AddWarning(ex.Message, ex);
if (ex is System.Threading.ThreadAbortException)
throw;
}
}
if (fileErrors > 0 && brokenFiles.Count > 0)
m_result.AddMessage(string.Format("Failed to restore {0} files, additionally the following files failed to download, which may be the cause:{1}", fileErrors, Environment.NewLine, string.Join(Environment.NewLine, brokenFiles)));
// Drop the temp tables
database.DropRestoreTable();
backend.WaitForComplete(database, null);
}
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Restore_Complete);
result.EndTime = DateTime.UtcNow;
}
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();
}
}
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();
}
}
