600 lines
34 KiB
C#
600 lines
34 KiB
C#
// Copyright (C) 2025, The Duplicati Team
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// https://duplicati.com, hello@duplicati.com
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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using System;
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using System.Linq;
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using System.Collections.Generic;
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using System.Security.Cryptography;
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using Duplicati.Library.Utility;
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namespace Duplicati.Library.Main.Database
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{
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internal class LocalRepairDatabase : LocalDatabase
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{
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/// <summary>
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/// The tag used for logging
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/// </summary>
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private static readonly string LOGTAG = Logging.Log.LogTagFromType(typeof(LocalRepairDatabase));
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public LocalRepairDatabase(string path)
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: base(path, "Repair", true)
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{
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}
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public long GetFilesetIdFromRemotename(string filelist)
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{
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using (var cmd = m_connection.CreateCommand())
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{
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var filesetid = cmd.ExecuteScalarInt64(@"SELECT ""Fileset"".""ID"" FROM ""Fileset"",""RemoteVolume"" WHERE ""Fileset"".""VolumeID"" = ""RemoteVolume"".""ID"" AND ""RemoteVolume"".""Name"" = ?", -1, filelist);
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if (filesetid == -1)
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throw new Exception($"No such remote file: {filelist}");
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return filesetid;
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}
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}
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public interface IBlockSource
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{
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string File { get; }
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long Offset { get; }
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}
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public interface IBlockWithSources : LocalBackupDatabase.IBlock
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{
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IEnumerable<IBlockSource> Sources { get; }
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}
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private class BlockWithSources : LocalBackupDatabase.Block, IBlockWithSources
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{
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private class BlockSource : IBlockSource
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{
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public string File { get; private set; }
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public long Offset { get; private set; }
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public BlockSource(string file, long offset)
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{
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this.File = file;
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this.Offset = offset;
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}
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}
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private readonly System.Data.IDataReader m_rd;
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public bool Done { get; private set; }
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public BlockWithSources(System.Data.IDataReader rd)
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: base(rd.GetString(0), rd.GetInt64(1))
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{
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m_rd = rd;
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Done = !m_rd.Read();
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}
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public IEnumerable<IBlockSource> Sources
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{
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get
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{
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if (Done)
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yield break;
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var cur = new BlockSource(m_rd.GetString(2), m_rd.GetInt64(3));
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var file = cur.File;
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while (!Done && cur.File == file)
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{
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yield return cur;
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Done = m_rd.Read();
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if (!Done)
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cur = new BlockSource(m_rd.GetString(2), m_rd.GetInt64(3));
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}
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}
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}
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}
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private class RemoteVolume : IRemoteVolume
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{
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public string Name { get; private set; }
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public string Hash { get; private set; }
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public long Size { get; private set; }
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public RemoteVolume(string name, string hash, long size)
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{
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this.Name = name;
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this.Hash = hash;
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this.Size = size;
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}
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}
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public IEnumerable<IRemoteVolume> GetBlockVolumesFromIndexName(string name)
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{
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using (var cmd = m_connection.CreateCommand())
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foreach (var rd in cmd.ExecuteReaderEnumerable(@"SELECT ""Name"", ""Hash"", ""Size"" FROM ""RemoteVolume"" WHERE ""ID"" IN (SELECT ""BlockVolumeID"" FROM ""IndexBlockLink"" WHERE ""IndexVolumeID"" IN (SELECT ""ID"" FROM ""RemoteVolume"" WHERE ""Name"" = ?))", name))
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yield return new RemoteVolume(rd.GetString(0), rd.ConvertValueToString(1), rd.ConvertValueToInt64(2));
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}
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public interface IMissingBlockList : IDisposable
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{
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bool SetBlockRestored(string hash, long size);
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IEnumerable<IBlockWithSources> GetSourceFilesWithBlocks(long blocksize);
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IEnumerable<KeyValuePair<string, long>> GetMissingBlocks();
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IEnumerable<IRemoteVolume> GetFilesetsUsingMissingBlocks();
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IEnumerable<IRemoteVolume> GetMissingBlockSources();
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}
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private class MissingBlockList : IMissingBlockList
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{
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private readonly System.Data.IDbConnection m_connection;
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private readonly TemporaryTransactionWrapper m_transaction;
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private System.Data.IDbCommand m_insertCommand;
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private string m_tablename;
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private readonly string m_volumename;
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public MissingBlockList(string volumename, System.Data.IDbConnection connection, System.Data.IDbTransaction transaction)
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{
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m_connection = connection;
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m_transaction = new TemporaryTransactionWrapper(m_connection, transaction);
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m_volumename = volumename;
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var tablename = "MissingBlocks-" + Library.Utility.Utility.ByteArrayAsHexString(Guid.NewGuid().ToByteArray());
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using (var cmd = m_connection.CreateCommand())
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{
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cmd.Transaction = m_transaction.Parent;
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cmd.ExecuteNonQuery(FormatInvariant($@"CREATE TEMPORARY TABLE ""{tablename}"" (""Hash"" TEXT NOT NULL, ""Size"" INTEGER NOT NULL, ""Restored"" INTEGER NOT NULL) "));
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m_tablename = tablename;
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var blockCount = cmd.ExecuteNonQuery(FormatInvariant($@"INSERT INTO ""{m_tablename}"" (""Hash"", ""Size"", ""Restored"") SELECT DISTINCT ""Block"".""Hash"", ""Block"".""Size"", 0 AS ""Restored"" FROM ""Block"",""Remotevolume"" WHERE ""Block"".""VolumeID"" = ""Remotevolume"".""ID"" AND ""Remotevolume"".""Name"" = ? "), volumename);
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if (blockCount == 0)
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throw new Exception($"Unexpected empty block volume: {0}");
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cmd.ExecuteNonQuery(FormatInvariant($@"CREATE UNIQUE INDEX ""{tablename}-Ix"" ON ""{tablename}"" (""Hash"", ""Size"", ""Restored"")"));
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}
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m_insertCommand = m_connection.CreateCommand();
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m_insertCommand.Transaction = m_transaction.Parent;
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m_insertCommand.CommandText = FormatInvariant($@"UPDATE ""{tablename}"" SET ""Restored"" = ? WHERE ""Hash"" = ? AND ""Size"" = ? AND ""Restored"" = ? ");
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m_insertCommand.AddParameters(4);
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}
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public bool SetBlockRestored(string hash, long size)
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{
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m_insertCommand.SetParameterValue(0, 1);
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m_insertCommand.SetParameterValue(1, hash);
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m_insertCommand.SetParameterValue(2, size);
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m_insertCommand.SetParameterValue(3, 0);
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return m_insertCommand.ExecuteNonQuery() == 1;
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}
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public IEnumerable<IBlockWithSources> GetSourceFilesWithBlocks(long blocksize)
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{
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using (var cmd = m_connection.CreateCommand(m_transaction.Parent))
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using (var rd = cmd.ExecuteReader(FormatInvariant($@"SELECT DISTINCT ""{m_tablename}"".""Hash"", ""{m_tablename}"".""Size"", ""File"".""Path"", ""BlocksetEntry"".""Index"" * {blocksize} FROM ""{m_tablename}"", ""Block"", ""BlocksetEntry"", ""File"" WHERE ""File"".""BlocksetID"" = ""BlocksetEntry"".""BlocksetID"" AND ""Block"".""ID"" = ""BlocksetEntry"".""BlockID"" AND ""{m_tablename}"".""Hash"" = ""Block"".""Hash"" AND ""{m_tablename}"".""Size"" = ""Block"".""Size"" AND ""{m_tablename}"".""Restored"" = ? "), 0))
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if (rd.Read())
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{
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var bs = new BlockWithSources(rd);
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while (!bs.Done)
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yield return bs;
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}
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}
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public IEnumerable<KeyValuePair<string, long>> GetMissingBlocks()
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{
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using (var cmd = m_connection.CreateCommand(m_transaction.Parent))
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foreach (var rd in cmd.ExecuteReaderEnumerable(FormatInvariant($@"SELECT ""{m_tablename}"".""Hash"", ""{m_tablename}"".""Size"" FROM ""{m_tablename}"" WHERE ""{m_tablename}"".""Restored"" = ? "), 0))
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yield return new KeyValuePair<string, long>(rd.ConvertValueToString(0), rd.ConvertValueToInt64(1));
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}
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public IEnumerable<IRemoteVolume> GetFilesetsUsingMissingBlocks()
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{
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var blocks = FormatInvariant($@"SELECT DISTINCT ""FileLookup"".""ID"" AS ID FROM ""{m_tablename}"", ""Block"", ""Blockset"", ""BlocksetEntry"", ""FileLookup"" WHERE ""Block"".""Hash"" = ""{m_tablename}"".""Hash"" AND ""Block"".""Size"" = ""{m_tablename}"".""Size"" AND ""BlocksetEntry"".""BlockID"" = ""Block"".""ID"" AND ""BlocksetEntry"".""BlocksetID"" = ""Blockset"".""ID"" AND ""FileLookup"".""BlocksetID"" = ""Blockset"".""ID"" ");
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var blocklists = FormatInvariant($@"SELECT DISTINCT ""FileLookup"".""ID"" AS ID FROM ""{m_tablename}"", ""Block"", ""Blockset"", ""BlocklistHash"", ""FileLookup"" WHERE ""Block"".""Hash"" = ""{m_tablename}"".""Hash"" AND ""Block"".""Size"" = ""{m_tablename}"".""Size"" AND ""BlocklistHash"".""Hash"" = ""Block"".""Hash"" AND ""BlocklistHash"".""BlocksetID"" = ""Blockset"".""ID"" AND ""FileLookup"".""BlocksetID"" = ""Blockset"".""ID"" ");
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var cmdtxt = FormatInvariant($@"SELECT DISTINCT ""RemoteVolume"".""Name"", ""RemoteVolume"".""Hash"", ""RemoteVolume"".""Size"" FROM ""RemoteVolume"", ""FilesetEntry"", ""Fileset"" WHERE ""RemoteVolume"".""ID"" = ""Fileset"".""VolumeID"" AND ""Fileset"".""ID"" = ""FilesetEntry"".""FilesetID"" AND ""RemoteVolume"".""Type"" = ? AND ""FilesetEntry"".""FileID"" IN (SELECT DISTINCT ""ID"" FROM ( {blocks} UNION {blocklists} ))");
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using (var cmd = m_connection.CreateCommand(m_transaction.Parent))
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foreach (var rd in cmd.ExecuteReaderEnumerable(cmdtxt, RemoteVolumeType.Files.ToString()))
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yield return new RemoteVolume(rd.GetString(0), rd.ConvertValueToString(1), rd.ConvertValueToInt64(2));
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}
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public IEnumerable<IRemoteVolume> GetMissingBlockSources()
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{
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using (var cmd = m_connection.CreateCommand(m_transaction.Parent))
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foreach (var rd in cmd.ExecuteReaderEnumerable(FormatInvariant($@"SELECT DISTINCT ""RemoteVolume"".""Name"", ""RemoteVolume"".""Hash"", ""RemoteVolume"".""Size"" FROM ""RemoteVolume"", ""Block"", ""{m_tablename}"" WHERE ""Block"".""Hash"" = ""{m_tablename}"".""Hash"" AND ""Block"".""Size"" = ""{m_tablename}"".""Size"" AND ""Block"".""VolumeID"" = ""RemoteVolume"".""ID"" AND ""Remotevolume"".""Name"" != ? "), m_volumename))
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yield return new RemoteVolume(rd.GetString(0), rd.ConvertValueToString(1), rd.ConvertValueToInt64(2));
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}
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public void Dispose()
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{
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if (m_tablename != null)
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{
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try
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{
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using (var cmd = m_connection.CreateCommand(m_transaction.Parent))
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cmd.ExecuteNonQuery(FormatInvariant($@"DROP TABLE IF EXISTS ""{m_tablename}"" "), m_transaction);
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}
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catch { }
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finally { m_tablename = null; }
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}
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if (m_insertCommand != null)
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try { m_insertCommand.Dispose(); }
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catch { }
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finally { m_insertCommand = null; }
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}
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}
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public IMissingBlockList CreateBlockList(string volumename, System.Data.IDbTransaction transaction = null)
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{
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return new MissingBlockList(volumename, m_connection, transaction);
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}
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public void FixDuplicateMetahash()
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{
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using (var tr = m_connection.BeginTransaction())
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using (var cmd = m_connection.CreateCommand(tr))
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{
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cmd.Transaction = tr;
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var sql_count =
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@"SELECT COUNT(*) FROM (" +
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@" SELECT DISTINCT c1 FROM (" +
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@"SELECT COUNT(*) AS ""C1"" FROM (SELECT DISTINCT ""BlocksetID"" FROM ""Metadataset"") UNION SELECT COUNT(*) AS ""C1"" FROM ""Metadataset"" " +
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@")" +
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@")";
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var x = cmd.ExecuteScalarInt64(sql_count, 0);
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if (x > 1)
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{
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Logging.Log.WriteInformationMessage(LOGTAG, "DuplicateMetadataHashes", "Found duplicate metadatahashes, repairing");
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var tablename = "TmpFile-" + Guid.NewGuid().ToString("N");
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cmd.ExecuteNonQuery(FormatInvariant($@"CREATE TEMPORARY TABLE ""{tablename}"" AS SELECT * FROM ""File"""));
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var sql = @"SELECT ""A"".""ID"", ""B"".""BlocksetID"" FROM (SELECT MIN(""ID"") AS ""ID"", COUNT(""ID"") AS ""Duplicates"" FROM ""Metadataset"" GROUP BY ""BlocksetID"") ""A"", ""Metadataset"" ""B"" WHERE ""A"".""Duplicates"" > 1 AND ""A"".""ID"" = ""B"".""ID""";
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using (var c2 = m_connection.CreateCommand(tr))
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{
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c2.CommandText = FormatInvariant($@"UPDATE ""{tablename}"" SET ""MetadataID"" = ? WHERE ""MetadataID"" IN (SELECT ""ID"" FROM ""Metadataset"" WHERE ""BlocksetID"" = ?)");
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c2.CommandText += @"; DELETE FROM ""Metadataset"" WHERE ""BlocksetID"" = ? AND ""ID"" != ?";
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using (var rd = cmd.ExecuteReader(sql))
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while (rd.Read())
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c2.ExecuteNonQuery(null, rd.GetValue(0), rd.GetValue(1), rd.GetValue(1), rd.GetValue(0));
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}
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sql = FormatInvariant($@"SELECT ""ID"", ""Path"", ""BlocksetID"", ""MetadataID"", ""Entries"" FROM (
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SELECT MIN(""ID"") AS ""ID"", ""Path"", ""BlocksetID"", ""MetadataID"", COUNT(*) as ""Entries"" FROM ""{tablename}"" GROUP BY ""Path"", ""BlocksetID"", ""MetadataID"")
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WHERE ""Entries"" > 1 ORDER BY ""ID""");
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using (var c2 = m_connection.CreateCommand())
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{
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c2.Transaction = tr;
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c2.CommandText = FormatInvariant($@"UPDATE ""FilesetEntry"" SET ""FileID"" = ? WHERE ""FileID"" IN (SELECT ""ID"" FROM ""{tablename}"" WHERE ""Path"" = ? AND ""BlocksetID"" = ? AND ""MetadataID"" = ?)");
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c2.CommandText += FormatInvariant($@"; DELETE FROM ""{tablename}"" WHERE ""Path"" = ? AND ""BlocksetID"" = ? AND ""MetadataID"" = ? AND ""ID"" != ?");
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foreach (var rd in cmd.ExecuteReaderEnumerable(sql))
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c2.ExecuteNonQuery(null, rd.GetValue(0), rd.GetValue(1), rd.GetValue(2), rd.GetValue(3), rd.GetValue(1), rd.GetValue(2), rd.GetValue(3), rd.GetValue(0));
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}
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cmd.ExecuteNonQuery(FormatInvariant($@"DELETE FROM ""FileLookup"" WHERE ""ID"" NOT IN (SELECT ""ID"" FROM ""{tablename}"") "));
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cmd.ExecuteNonQuery(FormatInvariant($@"CREATE INDEX ""{tablename}-Ix"" ON ""{tablename}"" (""ID"", ""MetadataID"")"));
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cmd.ExecuteNonQuery(FormatInvariant($@"UPDATE ""FileLookup"" SET ""MetadataID"" = (SELECT ""MetadataID"" FROM ""{tablename}"" A WHERE ""A"".""ID"" = ""FileLookup"".""ID"") "));
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cmd.ExecuteNonQuery(FormatInvariant($@"DROP TABLE ""{tablename}"" "));
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cmd.CommandText = sql_count;
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x = cmd.ExecuteScalarInt64(0);
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if (x > 1)
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throw new Duplicati.Library.Interface.UserInformationException("Repair failed, there are still duplicate metadatahashes!", "DuplicateHashesRepairFailed");
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Logging.Log.WriteInformationMessage(LOGTAG, "DuplicateMetadataHashesFixed", "Duplicate metadatahashes repaired succesfully");
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tr.Commit();
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}
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}
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}
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public void FixDuplicateFileentries()
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{
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using (var tr = m_connection.BeginTransaction())
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using (var cmd = m_connection.CreateCommand(tr))
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{
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var sql_count = @"SELECT COUNT(*) FROM (SELECT ""PrefixID"", ""Path"", ""BlocksetID"", ""MetadataID"", COUNT(*) as ""Duplicates"" FROM ""FileLookup"" GROUP BY ""PrefixID"", ""Path"", ""BlocksetID"", ""MetadataID"") WHERE ""Duplicates"" > 1";
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var x = cmd.ExecuteScalarInt64(sql_count, 0);
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if (x > 0)
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{
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Logging.Log.WriteInformationMessage(LOGTAG, "DuplicateFileEntries", "Found duplicate file entries, repairing");
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var sql = @"SELECT ""ID"", ""PrefixID"", ""Path"", ""BlocksetID"", ""MetadataID"", ""Entries"" FROM (
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SELECT MIN(""ID"") AS ""ID"", ""PrefixID"", ""Path"", ""BlocksetID"", ""MetadataID"", COUNT(*) as ""Entries"" FROM ""FileLookup"" GROUP BY ""PrefixID"", ""Path"", ""BlocksetID"", ""MetadataID"")
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WHERE ""Entries"" > 1 ORDER BY ""ID""";
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using (var c2 = m_connection.CreateCommand(tr))
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{
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c2.CommandText = @"UPDATE ""FilesetEntry"" SET ""FileID"" = ? WHERE ""FileID"" IN (SELECT ""ID"" FROM ""FileLookup"" WHERE ""PrefixID"" = ? AND ""Path"" = ? AND ""BlocksetID"" = ? AND ""MetadataID"" = ?)";
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c2.CommandText += @"; DELETE FROM ""FileLookup"" WHERE ""PrefixID"" = ? AND ""Path"" = ? AND ""BlocksetID"" = ? AND ""MetadataID"" = ? AND ""ID"" != ?";
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foreach (var rd in cmd.ExecuteReaderEnumerable(sql))
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c2.ExecuteNonQuery(null, rd.GetValue(0), rd.GetValue(1), rd.GetValue(2), rd.GetValue(3), rd.GetValue(4), rd.GetValue(1), rd.GetValue(2), rd.GetValue(3), rd.GetValue(4), rd.GetValue(0));
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}
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cmd.CommandText = sql_count;
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x = cmd.ExecuteScalarInt64(0);
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if (x > 1)
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throw new Duplicati.Library.Interface.UserInformationException("Repair failed, there are still duplicate file entries!", "DuplicateFilesRepairFailed");
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Logging.Log.WriteInformationMessage(LOGTAG, "DuplicateFileEntriesFixed", "Duplicate file entries repaired succesfully");
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tr.Commit();
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}
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}
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}
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public void FixMissingBlocklistHashes(string blockhashalgorithm, long blocksize)
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{
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var blocklistbuffer = new byte[blocksize];
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using (var tr = m_connection.BeginTransaction())
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using (var cmd = m_connection.CreateCommand(tr))
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using (var blockhasher = HashFactory.CreateHasher(blockhashalgorithm))
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{
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var hashsize = blockhasher.HashSize / 8;
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var sql = FormatInvariant($@"SELECT * FROM (SELECT ""N"".""BlocksetID"", ((""N"".""BlockCount"" + {blocksize / hashsize} - 1) / {blocksize / hashsize}) AS ""BlocklistHashCountExpected"", CASE WHEN ""G"".""BlocklistHashCount"" IS NULL THEN 0 ELSE ""G"".""BlocklistHashCount"" END AS ""BlocklistHashCountActual"" FROM (SELECT ""BlocksetID"", COUNT(*) AS ""BlockCount"" FROM ""BlocksetEntry"" GROUP BY ""BlocksetID"") ""N"" LEFT OUTER JOIN (SELECT ""BlocksetID"", COUNT(*) AS ""BlocklistHashCount"" FROM ""BlocklistHash"" GROUP BY ""BlocksetID"") ""G"" ON ""N"".""BlocksetID"" = ""G"".""BlocksetID"" WHERE ""N"".""BlockCount"" > 1) WHERE ""BlocklistHashCountExpected"" != ""BlocklistHashCountActual""");
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var countsql = @"SELECT COUNT(*) FROM (" + sql + @")";
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var itemswithnoblocklisthash = cmd.ExecuteScalarInt64(countsql, 0);
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if (itemswithnoblocklisthash != 0)
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{
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Logging.Log.WriteInformationMessage(LOGTAG, "MissingBlocklistHashes", "Found {0} missing blocklisthash entries, repairing", itemswithnoblocklisthash);
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using (var c2 = m_connection.CreateCommand(tr))
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using (var c3 = m_connection.CreateCommand(tr))
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using (var c4 = m_connection.CreateCommand(tr))
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using (var c5 = m_connection.CreateCommand(tr))
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using (var c6 = m_connection.CreateCommand(tr))
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{
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c3.CommandText = @"INSERT INTO ""BlocklistHash"" (""BlocksetID"", ""Index"", ""Hash"") VALUES (?, ?, ?) ";
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c4.CommandText = @"SELECT COUNT(*) FROM ""Block"" WHERE ""Hash"" = ? AND ""Size"" = ?";
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c5.CommandText = @"SELECT ""ID"" FROM ""DeletedBlock"" WHERE ""Hash"" = ? AND ""Size"" = ? AND ""VolumeID"" IN (SELECT ""ID"" FROM ""RemoteVolume"" WHERE ""Type"" = ? AND (""State"" = ? OR ""State"" = ?))";
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c6.CommandText = @"INSERT INTO ""Block"" (""Hash"", ""Size"", ""VolumeID"") SELECT ""Hash"", ""Size"", ""VolumeID"" FROM ""DeletedBlock"" WHERE ""ID"" = ? LIMIT 1; DELETE FROM ""DeletedBlock"" WHERE ""ID"" = ?;";
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foreach (var e in cmd.ExecuteReaderEnumerable(sql))
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{
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var blocksetid = e.ConvertValueToInt64(0);
|
|
var ix = 0L;
|
|
int blocklistoffset = 0;
|
|
|
|
c2.ExecuteNonQuery(@"DELETE FROM ""BlocklistHash"" WHERE ""BlocksetID"" = ?", blocksetid);
|
|
|
|
foreach (var h in c2.ExecuteReaderEnumerable(@"SELECT ""A"".""Hash"" FROM ""Block"" ""A"", ""BlocksetEntry"" ""B"" WHERE ""A"".""ID"" = ""B"".""BlockID"" AND ""B"".""BlocksetID"" = ? ORDER BY ""B"".""Index""", blocksetid))
|
|
{
|
|
var tmp = Convert.FromBase64String(h.GetString(0));
|
|
if (blocklistbuffer.Length - blocklistoffset < tmp.Length)
|
|
{
|
|
var blkey = Convert.ToBase64String(blockhasher.ComputeHash(blocklistbuffer, 0, blocklistoffset));
|
|
|
|
// Ensure that the block exists in "blocks"
|
|
if (c4.ExecuteScalarInt64(null, -1, blkey, blocklistoffset) != 1)
|
|
{
|
|
var c = c5.ExecuteScalarInt64(null, -1, blkey, blocklistoffset, RemoteVolumeType.Blocks.ToString(), RemoteVolumeState.Uploaded.ToString(), RemoteVolumeState.Verified.ToString());
|
|
if (c <= 0)
|
|
throw new Exception($"Missing block for blocklisthash: {blkey}");
|
|
else
|
|
{
|
|
var rc = c6.ExecuteNonQuery(null, c, c);
|
|
if (rc != 2)
|
|
throw new Exception($"Unexpected update count: {rc}");
|
|
}
|
|
}
|
|
|
|
// Add to table
|
|
c3.ExecuteNonQuery(null, blocksetid, ix, blkey);
|
|
ix++;
|
|
blocklistoffset = 0;
|
|
}
|
|
|
|
Array.Copy(tmp, 0, blocklistbuffer, blocklistoffset, tmp.Length);
|
|
blocklistoffset += tmp.Length;
|
|
|
|
}
|
|
|
|
if (blocklistoffset != 0)
|
|
{
|
|
var blkeyfinal = Convert.ToBase64String(blockhasher.ComputeHash(blocklistbuffer, 0, blocklistoffset));
|
|
|
|
// Ensure that the block exists in "blocks"
|
|
if (c4.ExecuteScalarInt64(null, -1, blkeyfinal, blocklistoffset) != 1)
|
|
{
|
|
var c = c5.ExecuteScalarInt64(null, -1, blkeyfinal, blocklistoffset, RemoteVolumeType.Blocks.ToString(), RemoteVolumeState.Uploaded.ToString(), RemoteVolumeState.Verified.ToString());
|
|
if (c == 0)
|
|
throw new Exception($"Missing block for blocklisthash: {blkeyfinal}");
|
|
else
|
|
{
|
|
var rc = c6.ExecuteNonQuery(null, c, c);
|
|
if (rc != 2)
|
|
throw new Exception($"Unexpected update count: {rc}");
|
|
}
|
|
}
|
|
|
|
// Add to table
|
|
c3.ExecuteNonQuery(null, blocksetid, ix, blkeyfinal);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
itemswithnoblocklisthash = cmd.ExecuteScalarInt64(countsql, 0);
|
|
if (itemswithnoblocklisthash != 0)
|
|
throw new Duplicati.Library.Interface.UserInformationException($"Failed to repair, after repair {itemswithnoblocklisthash} blocklisthashes were missing", "MissingBlocklistHashesRepairFailed");
|
|
|
|
Logging.Log.WriteInformationMessage(LOGTAG, "MissingBlocklisthashesRepaired", "Missing blocklisthashes repaired succesfully");
|
|
tr.Commit();
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
public void FixDuplicateBlocklistHashes(long blocksize, long hashsize)
|
|
{
|
|
using (var tr = m_connection.BeginTransaction())
|
|
using (var cmd = m_connection.CreateCommand(tr))
|
|
{
|
|
var dup_sql = @"SELECT * FROM (SELECT ""BlocksetID"", ""Index"", COUNT(*) AS ""EC"" FROM ""BlocklistHash"" GROUP BY ""BlocksetID"", ""Index"") WHERE ""EC"" > 1";
|
|
|
|
var sql_count = @"SELECT COUNT(*) FROM (" + dup_sql + ")";
|
|
|
|
var x = cmd.ExecuteScalarInt64(sql_count, 0);
|
|
if (x > 0)
|
|
{
|
|
Logging.Log.WriteInformationMessage(LOGTAG, "DuplicateBlocklistHashes", "Found duplicate blocklisthash entries, repairing");
|
|
|
|
var unique_count = cmd.ExecuteScalarInt64(@"SELECT COUNT(*) FROM (SELECT DISTINCT ""BlocksetID"", ""Index"" FROM ""BlocklistHash"")", 0);
|
|
|
|
using (var c2 = m_connection.CreateCommand(tr))
|
|
{
|
|
c2.CommandText = @"DELETE FROM ""BlocklistHash"" WHERE rowid IN (SELECT rowid FROM ""BlocklistHash"" WHERE ""BlocksetID"" = ? AND ""Index"" = ? LIMIT ?)";
|
|
foreach (var rd in cmd.ExecuteReaderEnumerable(dup_sql))
|
|
{
|
|
var expected = rd.GetInt32(2) - 1;
|
|
var actual = c2.ExecuteNonQuery(null, rd.GetValue(0), rd.GetValue(1), expected);
|
|
if (actual != expected)
|
|
throw new Exception($"Unexpected number of results after fix, got: {actual}, expected: {expected}");
|
|
}
|
|
}
|
|
|
|
cmd.CommandText = sql_count;
|
|
x = cmd.ExecuteScalarInt64();
|
|
if (x > 1)
|
|
throw new Exception("Repair failed, there are still duplicate file entries!");
|
|
|
|
var real_count = cmd.ExecuteScalarInt64(@"SELECT Count(*) FROM ""BlocklistHash""", 0);
|
|
|
|
if (real_count != unique_count)
|
|
throw new Duplicati.Library.Interface.UserInformationException($"Failed to repair, result should have been {unique_count} blocklist hashes, but result was {real_count} blocklist hashes", "DuplicateBlocklistHashesRepairFailed");
|
|
|
|
try
|
|
{
|
|
VerifyConsistency(blocksize, hashsize, true, tr);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
throw new Duplicati.Library.Interface.UserInformationException("Repaired blocklisthashes, but the database was broken afterwards, rolled back changes", "DuplicateBlocklistHashesRepairFailed", ex);
|
|
}
|
|
|
|
Logging.Log.WriteInformationMessage(LOGTAG, "DuplicateBlocklistHashesRepaired", "Duplicate blocklisthashes repaired succesfully");
|
|
tr.Commit();
|
|
}
|
|
}
|
|
}
|
|
|
|
public void CheckAllBlocksAreInVolume(string filename, IEnumerable<KeyValuePair<string, long>> blocks)
|
|
{
|
|
using (var tr = m_connection.BeginTransaction())
|
|
using (var cmd = m_connection.CreateCommand(tr))
|
|
{
|
|
var tablename = "ProbeBlocks-" + Library.Utility.Utility.ByteArrayAsHexString(Guid.NewGuid().ToByteArray());
|
|
|
|
cmd.ExecuteNonQuery(FormatInvariant($@"CREATE TEMPORARY TABLE ""{tablename}"" (""Hash"" TEXT NOT NULL, ""Size"" INTEGER NOT NULL)"));
|
|
cmd.CommandText = FormatInvariant($@"INSERT INTO ""{tablename}"" (""Hash"", ""Size"") VALUES (?, ?)");
|
|
cmd.AddParameters(2);
|
|
|
|
foreach (var kp in blocks)
|
|
{
|
|
cmd.SetParameterValue(0, kp.Key);
|
|
cmd.SetParameterValue(1, kp.Value);
|
|
cmd.ExecuteNonQuery();
|
|
}
|
|
|
|
var id = cmd.ExecuteScalarInt64(@"SELECT ""ID"" FROM ""RemoteVolume"" WHERE ""Name"" = ?", -1, filename);
|
|
var aliens = cmd.ExecuteScalarInt64(FormatInvariant($@"SELECT COUNT(*) FROM (SELECT ""A"".""VolumeID"" FROM ""{tablename}"" B LEFT OUTER JOIN ""Block"" A ON ""A"".""Hash"" = ""B"".""Hash"" AND ""A"".""Size"" = ""B"".""Size"") WHERE ""VolumeID"" != ? "), 0, id);
|
|
|
|
cmd.ExecuteNonQuery(FormatInvariant($@"DROP TABLE IF EXISTS ""{tablename}"" "));
|
|
|
|
if (aliens != 0)
|
|
throw new Exception($"Not all blocks were found in {filename}");
|
|
}
|
|
}
|
|
|
|
public void CheckBlocklistCorrect(string hash, long length, IEnumerable<string> blocklist, long blocksize, long blockhashlength)
|
|
{
|
|
using (var cmd = m_connection.CreateCommand())
|
|
{
|
|
var query = FormatInvariant($@"
|
|
SELECT
|
|
""C"".""Hash"",
|
|
""C"".""Size""
|
|
FROM
|
|
""BlocksetEntry"" A,
|
|
(
|
|
SELECT
|
|
""Y"".""BlocksetID"",
|
|
""Y"".""Hash"" AS ""BlocklistHash"",
|
|
""Y"".""Index"" AS ""BlocklistHashIndex"",
|
|
""Z"".""Size"" AS ""BlocklistSize"",
|
|
""Z"".""ID"" AS ""BlocklistHashBlockID""
|
|
FROM
|
|
""BlocklistHash"" Y,
|
|
""Block"" Z
|
|
WHERE
|
|
""Y"".""Hash"" = ""Z"".""Hash"" AND ""Y"".""Hash"" = ? AND ""Z"".""Size"" = ?
|
|
LIMIT 1
|
|
) B,
|
|
""Block"" C
|
|
WHERE
|
|
""A"".""BlocksetID"" = ""B"".""BlocksetID""
|
|
AND
|
|
""A"".""BlockID"" = ""C"".""ID""
|
|
AND
|
|
""A"".""Index"" >= ""B"".""BlocklistHashIndex"" * ({blocksize} / {blockhashlength})
|
|
AND
|
|
""A"".""Index"" < (""B"".""BlocklistHashIndex"" + 1) * ({blocksize} / {blockhashlength})
|
|
ORDER BY
|
|
""A"".""Index""
|
|
|
|
");
|
|
|
|
using (var en = blocklist.GetEnumerator())
|
|
{
|
|
foreach (var r in cmd.ExecuteReaderEnumerable(query, hash, length))
|
|
{
|
|
if (!en.MoveNext())
|
|
throw new Exception($"Too few entries in source blocklist with hash {hash}");
|
|
if (en.Current != r.GetString(0))
|
|
throw new Exception($"Mismatch in blocklist with hash {hash}");
|
|
}
|
|
|
|
if (en.MoveNext())
|
|
throw new Exception($"Too many source blocklist entries in {hash}");
|
|
}
|
|
}
|
|
}
|
|
|
|
public IEnumerable<string> MissingLocalFilesets()
|
|
{
|
|
using (var cmd = m_connection.CreateCommand())
|
|
foreach (var rd in cmd.ExecuteReaderEnumerable(@"SELECT ""Name"" FROM ""RemoteVolume"" WHERE ""Type"" = ? AND ""State"" NOT IN (?, ?) AND ""ID"" NOT IN (SELECT ""VolumeID"" FROM ""Fileset"")", RemoteVolumeType.Files.ToString(), RemoteVolumeState.Deleting.ToString(), RemoteVolumeState.Deleted.ToString()))
|
|
yield return rd.ConvertValueToString(0);
|
|
}
|
|
|
|
public IEnumerable<(long FilesetID, DateTime Timestamp, bool IsFull)> MissingRemoteFilesets()
|
|
{
|
|
using (var cmd = m_connection.CreateCommand())
|
|
foreach (var rd in cmd.ExecuteReaderEnumerable(@"SELECT ""ID"", ""Timestamp"", ""IsFullBackup"" FROM ""Fileset"" WHERE ""VolumeID"" NOT IN (SELECT ""ID"" FROM ""RemoteVolume"" WHERE ""Type"" = ? AND ""State"" NOT IN (?, ?))", RemoteVolumeType.Files.ToString(), RemoteVolumeState.Deleting.ToString(), RemoteVolumeState.Deleted.ToString()))
|
|
yield return (rd.ConvertValueToInt64(0), ParseFromEpochSeconds(rd.ConvertValueToInt64(1)), rd.ConvertValueToInt64(2) == BackupType.FULL_BACKUP);
|
|
}
|
|
}
|
|
}
|
|
|