private static IEnumerable <IListResultFileset> CreateResultSequence(IEnumerable <KeyValuePair <long, IParsedVolume> > filteredList, BackendManager backendManager, Options options)
{
List <IListResultFileset> list = new List <IListResultFileset>();
foreach (KeyValuePair <long, IParsedVolume> entry in filteredList)
{
AsyncDownloader downloader = new AsyncDownloader(new IRemoteVolume[] { new RemoteVolume(entry.Value.File) }, backendManager);
foreach (IAsyncDownloadedFile file in downloader)
{
// We must obtain the partial/full status from the fileset file in the dlist files.
// Without this, the restore dialog will show all versions as full, or all versions
// as partial. While the dlist files are already downloaded elsewhere, doing so again
// here is the most direct way to obtain the partial/full status without a major
// refactoring. Since restoring directly from the backend files should be a relatively
// rare event, we can work on improving the performance later.
VolumeBase.FilesetData filesetData = VolumeReaderBase.GetFilesetData(entry.Value.CompressionModule, file.TempFile, options);
list.Add(new ListResultFileset(entry.Key, filesetData.IsFullBackup ? BackupType.FULL_BACKUP : BackupType.PARTIAL_BACKUP, entry.Value.Time.ToLocalTime(), -1, -1));
}
}
return(list.ToArray());
}
/// <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="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))
{
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();
}
// 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, 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();
var progress = 0;
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)
{
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;
}
// 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;
}
}
}
//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.Foresthash.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();
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 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, 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).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);
//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 async Task FilesetFiles()
{
// Choose a dblock size that is small enough so that more than one volume is needed.
Dictionary <string, string> options = new Dictionary <string, string>(this.TestOptions)
{
["dblock-size"] = "10mb",
// This allows us to inspect the dlist files without needing the BackendManager (which is inaccessible here) to decrypt them.
["no-encryption"] = "true"
};
// Run a full backup.
using (Controller c = new Controller("file://" + this.TARGETFOLDER, options, null))
{
IBackupResults backupResults = c.Backup(new[] { this.DATAFOLDER });
Assert.AreEqual(0, backupResults.Errors.Count());
Assert.AreEqual(0, backupResults.Warnings.Count());
}
// Run a partial backup.
using (Controller c = new Controller("file://" + this.TARGETFOLDER, options, null))
{
IBackupResults backupResults = await this.RunPartialBackup(c).ConfigureAwait(false);
Assert.AreEqual(0, backupResults.Errors.Count());
Assert.AreEqual(1, backupResults.Warnings.Count());
}
Dictionary <DateTime, int> GetBackupTypesFromRemoteFiles(Controller c, out List <string> filelistFiles)
{
Dictionary <DateTime, int> map = new Dictionary <DateTime, int>();
filelistFiles = new List <string>();
IListRemoteResults remoteFiles = c.ListRemote();
foreach (IFileEntry file in remoteFiles.Files)
{
IParsedVolume volume = VolumeBase.ParseFilename(file);
if (volume != null && volume.FileType == RemoteVolumeType.Files)
{
string dlistFile = Path.Combine(this.TARGETFOLDER, volume.File.Name);
filelistFiles.Add(dlistFile);
VolumeBase.FilesetData filesetData = VolumeReaderBase.GetFilesetData(volume.CompressionModule, dlistFile, new Options(options));
map[volume.Time] = filesetData.IsFullBackup ? BackupType.FULL_BACKUP : BackupType.PARTIAL_BACKUP;
}
}
return(map);
}
// Purge a file and verify that the fileset file exists in the new dlist files.
List <string> dlistFiles;
Dictionary <DateTime, int> backupTypeMap;
using (Controller c = new Controller("file://" + this.TARGETFOLDER, options, null))
{
IPurgeFilesResults purgeResults = c.PurgeFiles(new Library.Utility.FilterExpression($"*{this.fileSizes[0]}*"));
Assert.AreEqual(0, purgeResults.Errors.Count());
Assert.AreEqual(0, purgeResults.Warnings.Count());
List <IListResultFileset> filesets = c.List().Filesets.ToList();
Assert.AreEqual(2, filesets.Count);
Assert.AreEqual(BackupType.FULL_BACKUP, filesets.Single(x => x.Version == 1).IsFullBackup);
Assert.AreEqual(BackupType.PARTIAL_BACKUP, filesets.Single(x => x.Version == 0).IsFullBackup);
backupTypeMap = GetBackupTypesFromRemoteFiles(c, out dlistFiles);
}
int[] backupTypes = backupTypeMap.OrderByDescending(x => x.Key).Select(x => x.Value).ToArray();
Assert.AreEqual(2, backupTypes.Length);
Assert.AreEqual(BackupType.FULL_BACKUP, backupTypes[1]);
Assert.AreEqual(BackupType.PARTIAL_BACKUP, backupTypes[0]);
// Remove the dlist files.
foreach (string dlistFile in dlistFiles)
{
File.Delete(dlistFile);
}
// Run a repair and verify that the fileset file exists in the new dlist files.
using (Controller c = new Controller("file://" + this.TARGETFOLDER, options, null))
{
IRepairResults repairResults = c.Repair();
Assert.AreEqual(0, repairResults.Errors.Count());
Assert.AreEqual(0, repairResults.Warnings.Count());
List <IListResultFileset> filesets = c.List().Filesets.ToList();
Assert.AreEqual(2, filesets.Count);
Assert.AreEqual(BackupType.FULL_BACKUP, filesets.Single(x => x.Version == 1).IsFullBackup);
Assert.AreEqual(BackupType.PARTIAL_BACKUP, filesets.Single(x => x.Version == 0).IsFullBackup);
backupTypeMap = GetBackupTypesFromRemoteFiles(c, out _);
}
backupTypes = backupTypeMap.OrderByDescending(x => x.Key).Select(x => x.Value).ToArray();
Assert.AreEqual(2, backupTypes.Length);
Assert.AreEqual(BackupType.FULL_BACKUP, backupTypes[1]);
Assert.AreEqual(BackupType.PARTIAL_BACKUP, backupTypes[0]);
}
