Example #1
0
        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;
                    }
                }
            }
        }
Example #2
0
        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;
                    }
                }
            }
        }