1036 lines
56 KiB
C#
1036 lines
56 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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#nullable enable
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using Microsoft.Data.Sqlite;
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namespace Duplicati.Library.Main.Database
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{
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internal class LocalBackupDatabase : 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<LocalBackupDatabase>();
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private SqliteCommand m_findblockCommand = null!;
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private SqliteCommand m_findblocksetCommand = null!;
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private SqliteCommand m_findfilesetCommand = null!;
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private SqliteCommand m_findmetadatasetCommand = null!;
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private SqliteCommand m_insertblockCommand = null!;
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private SqliteCommand m_insertfileCommand = null!;
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private SqliteCommand m_insertblocksetCommand = null!;
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private SqliteCommand m_insertblocksetentryCommand = null!;
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private SqliteCommand m_insertblocklistHashesCommand = null!;
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private SqliteCommand m_insertmetadatasetCommand = null!;
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private SqliteCommand m_findfileCommand = null!;
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private SqliteCommand m_selectfilelastmodifiedCommand = null!;
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private SqliteCommand m_selectfilelastmodifiedWithSizeCommand = null!;
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private SqliteCommand m_selectfileHashCommand = null!;
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private SqliteCommand m_insertfileOperationCommand = null!;
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private SqliteCommand m_selectfilemetadatahashandsizeCommand = null!;
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private SqliteCommand m_getfirstfilesetwithblockinblockset = null!;
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private HashSet<string> m_blocklistHashes;
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/// <summary>
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/// The temporary table with deleted blocks that can be re-used; null if not table is used
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/// </summary>
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private string? m_tempDeletedBlockTable;
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/// <summary>
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/// The in-mmeory lookup for deleted blocks; null if in-memory lookup is not used
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/// </summary>
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private Dictionary<string, Dictionary<long, long>>? m_deletedBlockLookup;
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/// <summary>
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/// The command used to move deleted blocks to the main block table; null if not used
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/// </summary>
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private SqliteCommand? m_moveblockfromdeletedCommand;
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/// <summary>
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/// The command used to find blocks in the deleted blocks table; null if not used
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/// </summary>
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private SqliteCommand? m_findindeletedCommand;
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private long m_filesetId;
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private bool m_logQueries;
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public static async Task<LocalBackupDatabase> CreateAsync(string path, Options options)
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{
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var db = new LocalBackupDatabase();
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db = (LocalBackupDatabase)await CreateLocalDatabaseAsync(db, path, "Backup", false, options.SqlitePageCache);
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db.ShouldCloseConnection = true;
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return await CreateAsync(db, options);
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}
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public static async Task<LocalBackupDatabase> CreateAsync(LocalBackupDatabase dbparent, Options options)
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{
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var dbnew = new LocalBackupDatabase();
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dbnew = (LocalBackupDatabase)await CreateLocalDatabaseAsync(dbparent, dbnew);
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dbnew.m_logQueries = options.ProfileAllDatabaseQueries;
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dbnew.m_findblockCommand = await dbnew.Connection.CreateCommandAsync(@"SELECT ""ID"" FROM ""Block"" WHERE ""Hash"" = @hash AND ""Size"" = @Size");
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dbnew.m_findblocksetCommand = await dbnew.Connection.CreateCommandAsync(@"SELECT ""ID"" FROM ""Blockset"" WHERE ""Fullhash"" = @Fullhash AND ""Length"" = @Length");
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dbnew.m_findmetadatasetCommand = await dbnew.Connection.CreateCommandAsync(@"SELECT ""A"".""ID"" FROM ""Metadataset"" A, ""BlocksetEntry"" B, ""Block"" C WHERE ""A"".""BlocksetID"" = ""B"".""BlocksetID"" AND ""B"".""BlockID"" = ""C"".""ID"" AND ""C"".""Hash"" = @Hash AND ""C"".""Size"" = @Size");
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dbnew.m_findfilesetCommand = await dbnew.Connection.CreateCommandAsync(@"SELECT ""ID"" FROM ""FileLookup"" WHERE ""BlocksetID"" = @BlocksetId AND ""MetadataID"" = @MetadataId AND ""Path"" = @Path AND ""PrefixID"" = @PrefixId");
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dbnew.m_insertblockCommand = await dbnew.Connection.CreateCommandAsync(@"INSERT INTO ""Block"" (""Hash"", ""VolumeID"", ""Size"") VALUES (@Hash, @VolumeId, @Size); SELECT last_insert_rowid();");
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dbnew.m_insertfileOperationCommand = await dbnew.Connection.CreateCommandAsync(@"INSERT INTO ""FilesetEntry"" (""FilesetID"", ""FileID"", ""Lastmodified"") VALUES (@FilesetId, @FileId, @LastModified)");
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dbnew.m_insertfileCommand = await dbnew.Connection.CreateCommandAsync(@"INSERT INTO ""FileLookup"" (""PrefixID"", ""Path"",""BlocksetID"", ""MetadataID"") VALUES (@PrefixId, @Path, @BlocksetId, @MetadataId); SELECT last_insert_rowid();");
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dbnew.m_insertblocksetCommand = await dbnew.Connection.CreateCommandAsync(@"INSERT INTO ""Blockset"" (""Length"", ""FullHash"") VALUES (@Length, @Fullhash); SELECT last_insert_rowid();");
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dbnew.m_insertblocksetentryCommand = await dbnew.Connection.CreateCommandAsync(@"INSERT INTO ""BlocksetEntry"" (""BlocksetID"", ""Index"", ""BlockID"") SELECT @BlocksetId AS A, @Index AS B, ""ID"" FROM ""Block"" WHERE ""Hash"" = @Hash AND ""Size"" = @Size");
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dbnew.m_insertblocklistHashesCommand = await dbnew.Connection.CreateCommandAsync(@"INSERT INTO ""BlocklistHash"" (""BlocksetID"", ""Index"", ""Hash"") VALUES (@BlocksetId, @Index, @Hash)");
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dbnew.m_insertmetadatasetCommand = await dbnew.Connection.CreateCommandAsync(@"INSERT INTO ""Metadataset"" (""BlocksetID"") VALUES (@BlocksetId); SELECT last_insert_rowid();");
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dbnew.m_selectfilelastmodifiedCommand = await dbnew.Connection.CreateCommandAsync(@"SELECT ""A"".""ID"", ""B"".""LastModified"" FROM (SELECT ""ID"" FROM ""FileLookup"" WHERE ""PrefixID"" = @PrefixId AND ""Path"" = @Path) ""A"" CROSS JOIN ""FilesetEntry"" ""B"" WHERE ""A"".""ID"" = ""B"".""FileID"" AND ""B"".""FilesetID"" = @FilesetId");
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dbnew.m_selectfilelastmodifiedWithSizeCommand = await dbnew.Connection.CreateCommandAsync(@"SELECT ""C"".""ID"", ""C"".""LastModified"", ""D"".""Length"" FROM (SELECT ""A"".""ID"", ""B"".""LastModified"", ""A"".""BlocksetID"" FROM (SELECT ""ID"", ""BlocksetID"" FROM ""FileLookup"" WHERE ""PrefixID"" = @PrefixId AND ""Path"" = @Path) ""A"" CROSS JOIN ""FilesetEntry"" ""B"" WHERE ""A"".""ID"" = ""B"".""FileID"" AND ""B"".""FilesetID"" = @FilesetId) AS ""C"", ""Blockset"" AS ""D"" WHERE ""C"".""BlocksetID"" == ""D"".""ID"" ");
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dbnew.m_selectfilemetadatahashandsizeCommand = await dbnew.Connection.CreateCommandAsync(@"SELECT ""Blockset"".""Length"", ""Blockset"".""FullHash"" FROM ""Blockset"", ""Metadataset"", ""File"" WHERE ""File"".""ID"" = @FileId AND ""Blockset"".""ID"" = ""Metadataset"".""BlocksetID"" AND ""Metadataset"".""ID"" = ""File"".""MetadataID"" ");
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// Experimental toggling of the deleted block cache
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// If the value is less than zero, the lookup is disabled
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// meaning that deleted blocks are never reused (same as 2.1.0.5 and earlier)
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// A value of zero disables the in-memory cache, always using a temporary table
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// Any other value is the size of the in-memory cache
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// If the number of deleted blocks exceed the cache size, a temporary table is used
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var deletedBlockCacheSize = Environment.GetEnvironmentVariable("DUPLICATI_DELETEDBLOCKCACHESIZE");
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if (!long.TryParse(deletedBlockCacheSize, out var deletedBlockCacheSizeLong))
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deletedBlockCacheSizeLong = 10000;
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if (deletedBlockCacheSizeLong >= 0)
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{
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using (var cmd = dbnew.Connection.CreateCommand())
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{
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dbnew.m_tempDeletedBlockTable = "DeletedBlock-" + Library.Utility.Utility.ByteArrayAsHexString(Guid.NewGuid().ToByteArray());
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cmd.SetCommandAndParameters($@"CREATE TEMPORARY TABLE ""{dbnew.m_tempDeletedBlockTable}"" AS "
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+ @$"SELECT MAX(""ID"") AS ""ID"", ""Hash"", ""Size"" FROM ""DeletedBlock"" WHERE ""VolumeID"" IN (SELECT ""ID"" FROM ""RemoteVolume"" WHERE ""State"" NOT IN (@States)) GROUP BY ""Hash"", ""Size""")
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.ExpandInClauseParameter("@States", [RemoteVolumeState.Deleted, RemoteVolumeState.Deleting])
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.ExecuteNonQuery();
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var deletedBlocks = cmd.ExecuteScalarInt64(@$"SELECT COUNT(*) FROM ""{dbnew.m_tempDeletedBlockTable}""", 0);
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// There are no deleted blocks, so we can drop the table
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if (deletedBlocks == 0)
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{
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cmd.ExecuteNonQuery($@"DROP TABLE ""{dbnew.m_tempDeletedBlockTable}""");
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dbnew.m_tempDeletedBlockTable = null;
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}
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// The deleted blocks are small enough to fit in memory
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else if (deletedBlocks <= deletedBlockCacheSizeLong)
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{
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dbnew.m_deletedBlockLookup = new Dictionary<string, Dictionary<long, long>>();
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using (var reader = cmd.ExecuteReader(@$"SELECT ""ID"", ""Hash"", ""Size"" FROM ""{dbnew.m_tempDeletedBlockTable}"""))
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while (reader.Read())
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{
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var id = reader.ConvertValueToInt64(0);
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var hash = reader.ConvertValueToString(1) ?? throw new Exception("Hash is null");
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var size = reader.ConvertValueToInt64(2);
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if (!dbnew.m_deletedBlockLookup.TryGetValue(hash, out var sizes))
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dbnew.m_deletedBlockLookup[hash] = sizes = new Dictionary<long, long>();
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sizes[size] = id;
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}
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cmd.ExecuteNonQuery($@"DROP TABLE ""{dbnew.m_tempDeletedBlockTable}""");
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dbnew.m_tempDeletedBlockTable = null;
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}
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// The deleted blocks are too large to fit in memory, so we use a temporary table
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else
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{
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cmd.ExecuteNonQuery($@"CREATE UNIQUE INDEX ""unique_{dbnew.m_tempDeletedBlockTable}"" ON ""{dbnew.m_tempDeletedBlockTable}"" (""Hash"", ""Size"")");
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dbnew.m_findindeletedCommand = dbnew.m_connection.CreateCommand($@"SELECT ""ID"" FROM ""{dbnew.m_tempDeletedBlockTable}"" WHERE ""Hash"" = @Hash AND ""Size"" = @Size");
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dbnew.m_moveblockfromdeletedCommand = dbnew.m_connection.CreateCommand(string.Join(";",
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@"INSERT INTO ""Block"" (""Hash"", ""Size"", ""VolumeID"") SELECT ""Hash"", ""Size"", ""VolumeID"" FROM ""DeletedBlock"" WHERE ""ID"" = @DeletedBlockId LIMIT 1",
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@"DELETE FROM ""DeletedBlock"" WHERE ""ID"" = @DeletedBlockId",
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@$"DELETE FROM {dbnew.m_tempDeletedBlockTable} WHERE ""ID"" = @DeletedBlockId",
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"SELECT last_insert_rowid()"));
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}
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if (deletedBlocks > 0)
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{
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dbnew.m_moveblockfromdeletedCommand = dbnew.m_connection.CreateCommand(string.Join(";",
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@"INSERT INTO ""Block"" (""Hash"", ""Size"", ""VolumeID"") SELECT ""Hash"", ""Size"", ""VolumeID"" FROM ""DeletedBlock"" WHERE ""ID"" = @DeletedBlockId LIMIT 1",
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@"DELETE FROM ""DeletedBlock"" WHERE ""ID"" = @DeletedBlockId",
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"SELECT last_insert_rowid()"));
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}
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}
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}
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// Allow users to test on real-world data
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// to get feedback on potential performance
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int.TryParse(Environment.GetEnvironmentVariable("TEST_QUERY_VERSION"), out var testqueryversion);
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if (testqueryversion != 0)
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Logging.Log.WriteWarningMessage(LOGTAG, "TestFileQuery", null, "Using performance test query version {0} as the TEST_QUERY_VERSION environment variable is set", testqueryversion);
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// The original query (v==1) finds the most recent entry of the file in question,
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// but it requires some large joins to extract the required information.
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// To speed it up, we use a slightly simpler approach that only looks at the
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// previous fileset, and uses information here.
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// If there is a case where a file is sometimes there and sometimes not
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// (i.e. filter file, remove filter) we will not find the file.
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// We currently use this faster version,
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// but allow users to switch back via an environment variable
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// such that we can get performance feedback
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string findQuery;
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switch (testqueryversion)
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{
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// The query used in Duplicati until 2.0.3.9
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case 1:
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findQuery =
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@" SELECT ""FileLookup"".""ID"" AS ""FileID"", ""FilesetEntry"".""Lastmodified"", ""FileBlockset"".""Length"", ""MetaBlockset"".""Fullhash"" AS ""Metahash"", ""MetaBlockset"".""Length"" AS ""Metasize"" " +
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@" FROM ""FileLookup"", ""FilesetEntry"", ""Fileset"", ""Blockset"" ""FileBlockset"", ""Metadataset"", ""Blockset"" ""MetaBlockset"" " +
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@" WHERE ""FileLookup"".""PrefixID"" = @PrefixId AND ""FileLookup"".""Path"" = @Path " +
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@" AND ""FilesetEntry"".""FileID"" = ""FileLookup"".""ID"" AND ""Fileset"".""ID"" = ""FilesetEntry"".""FilesetID"" " +
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@" AND ""FileBlockset"".""ID"" = ""FileLookup"".""BlocksetID"" " +
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@" AND ""Metadataset"".""ID"" = ""FileLookup"".""MetadataID"" AND ""MetaBlockset"".""ID"" = ""Metadataset"".""BlocksetID"" " +
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@" AND @FilesetId IS NOT NULL" +
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@" ORDER BY ""Fileset"".""Timestamp"" DESC " +
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@" LIMIT 1 ";
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break;
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// The fastest reported query in Duplicati 2.0.3.10, but with "LIMIT 1" added
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default:
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case 2:
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var getLastFileEntryForPath =
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@"SELECT ""A"".""ID"", ""B"".""LastModified"", ""A"".""BlocksetID"", ""A"".""MetadataID"" " +
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@" FROM (SELECT ""ID"", ""BlocksetID"", ""MetadataID"" FROM ""FileLookup"" WHERE ""PrefixID"" = @PrefixId AND ""Path"" = @Path) ""A"" " +
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@" CROSS JOIN ""FilesetEntry"" ""B"" " +
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@" WHERE ""A"".""ID"" = ""B"".""FileID"" " +
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@" AND ""B"".""FilesetID"" = @FilesetId ";
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findQuery = $@"SELECT ""C"".""ID"" AS ""FileID"", ""C"".""LastModified"", ""D"".""Length"", ""E"".""FullHash"" as ""Metahash"", ""E"".""Length"" AS ""Metasize""
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FROM ({getLastFileEntryForPath}) AS ""C"", ""Blockset"" AS ""D"", ""Blockset"" AS ""E"", ""Metadataset"" ""F""
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WHERE ""C"".""BlocksetID"" == ""D"".""ID"" AND ""C"".""MetadataID"" == ""F"".""ID"" AND ""F"".""BlocksetID"" = ""E"".""ID""
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LIMIT 1";
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break;
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// Potentially faster query: https://forum.duplicati.com/t/release-2-0-3-10-canary-2018-08-30/4497/25
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case 3:
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findQuery =
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@" SELECT FileLookup.ID as FileID, FilesetEntry.Lastmodified, FileBlockset.Length, " +
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@" MetaBlockset.FullHash AS Metahash, MetaBlockset.Length as Metasize " +
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@" FROM FilesetEntry " +
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@"INNER JOIN Fileset ON (FileSet.ID = FilesetEntry.FilesetID) " +
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@"INNER JOIN FileLookup ON (FileLookup.ID = FilesetEntry.FileID) " +
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@"INNER JOIN Metadataset ON (Metadataset.ID = FileLookup.MetadataID) " +
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@"INNER JOIN Blockset AS MetaBlockset ON (MetaBlockset.ID = Metadataset.BlocksetID) " +
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@" LEFT JOIN Blockset AS FileBlockset ON (FileBlockset.ID = FileLookup.BlocksetID) " +
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@" WHERE FileLookup.PrefixID = @PrefixId AND FileLookup.Path = @Path AND FilesetID = @FilesetId " +
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@" LIMIT 1 ";
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break;
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// The slow query used in Duplicati 2.0.3.10, but with "LIMIT 1" added
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case 4:
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findQuery =
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@" SELECT ""FileLookup"".""ID"" AS ""FileID"", ""FilesetEntry"".""Lastmodified"", ""FileBlockset"".""Length"", ""MetaBlockset"".""Fullhash"" AS ""Metahash"", ""MetaBlockset"".""Length"" AS ""Metasize"" " +
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@" FROM ""FileLookup"", ""FilesetEntry"", ""Fileset"", ""Blockset"" ""FileBlockset"", ""Metadataset"", ""Blockset"" ""MetaBlockset"" " +
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@" WHERE ""FileLookup"".""PrefixID"" = @PrefixId AND ""FileLookup"".""Path"" = @Path " +
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@" AND ""Fileset"".""ID"" = @FilesetId " +
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@" AND ""FilesetEntry"".""FileID"" = ""FileLookup"".""ID"" AND ""Fileset"".""ID"" = ""FilesetEntry"".""FilesetID"" " +
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@" AND ""FileBlockset"".""ID"" = ""FileLookup"".""BlocksetID"" " +
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@" AND ""Metadataset"".""ID"" = ""FileLookup"".""MetadataID"" AND ""MetaBlockset"".""ID"" = ""Metadataset"".""BlocksetID"" " +
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@" LIMIT 1 ";
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break;
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}
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dbnew.m_findfileCommand = dbnew.m_connection.CreateCommand(findQuery);
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dbnew.m_selectfileHashCommand = dbnew.m_connection.CreateCommand(@"SELECT ""Blockset"".""Fullhash"" FROM ""Blockset"", ""FileLookup"" WHERE ""Blockset"".""ID"" = ""FileLookup"".""BlocksetID"" AND ""FileLookup"".""ID"" = @FileId ");
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dbnew.m_getfirstfilesetwithblockinblockset = dbnew.m_connection.CreateCommand(@"SELECT MIN(""FilesetEntry"".""FilesetID"") FROM ""FilesetEntry"" WHERE ""FilesetEntry"".""FileID"" IN (
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SELECT ""File"".""ID"" FROM ""File"" WHERE ""File"".""BlocksetID"" IN(
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SELECT ""BlocklistHash"".""BlocksetID"" FROM ""BlocklistHash"" WHERE ""BlocklistHash"".""Hash"" = @Hash))");
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dbnew.m_blocklistHashes = new HashSet<string>();
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return dbnew;
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}
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/// <summary>
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/// Probes to see if a block already exists
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/// </summary>
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/// <param name="key">The block key</param>
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/// <param name="size">The size of the block</param>
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/// <returns>True if the block should be added to the current output</returns>
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public long FindBlockID(string key, long size)
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{
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return m_findblockCommand.SetTransaction(m_rtr)
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.SetParameterValue("@Hash", key)
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.SetParameterValue("@Size", size)
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.ExecuteScalarInt64(m_logQueries, -1);
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}
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/// <summary>
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/// Adds a block to the local database, returning a value indicating if the value presents a new block
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/// </summary>
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/// <param name="key">The block key</param>
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/// <param name="size">The size of the block</param>
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/// <returns>True if the block should be added to the current output</returns>
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public bool AddBlock(string key, long size, long volumeid)
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{
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var r = FindBlockID(key, size);
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if (r == -1L)
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{
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if (m_moveblockfromdeletedCommand != null)
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{
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if (m_deletedBlockLookup != null)
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{
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if (m_deletedBlockLookup.TryGetValue(key, out var sizes))
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if (sizes.TryGetValue(size, out var id))
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{
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m_moveblockfromdeletedCommand.SetTransaction(m_rtr)
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.SetParameterValue("@DeletedBlockId", id)
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.ExecuteNonQuery(m_logQueries);
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sizes.Remove(size);
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if (sizes.Count == 0)
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m_deletedBlockLookup.Remove(key);
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return false;
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}
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}
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else if (m_findindeletedCommand != null)
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{
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// No transaction on the temporary table
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var id = m_findindeletedCommand
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.SetParameterValue("@Hash", key)
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.SetParameterValue("@Size", size)
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.ExecuteScalarInt64(m_logQueries, -1);
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if (id != -1)
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{
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var c = m_moveblockfromdeletedCommand.SetTransaction(m_rtr)
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.SetParameterValue("@DeletedBlockId", id)
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.ExecuteNonQuery(m_logQueries);
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if (c != 2)
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throw new Exception($"Failed to move block {key} with size {size}, result count: {c}");
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// We do not clean up the temporary table, as the regular block lookup should now find it
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return false;
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}
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}
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}
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var ins = m_insertblockCommand.SetTransaction(m_rtr)
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.SetParameterValue("@Hash", key)
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.SetParameterValue("@VolumeId", volumeid)
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.SetParameterValue("@Size", size)
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.ExecuteNonQuery(m_logQueries);
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if (ins != 1)
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throw new Exception($"Failed to insert block {key} with size {size}, result count: {ins}");
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return true;
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}
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else
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{
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//Update lookup cache if required
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return false;
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}
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}
|
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|
|
|
|
/// <summary>
|
|
/// Adds a blockset to the database, returns a value indicating if the blockset is new
|
|
/// </summary>
|
|
/// <param name="filehash">The hash of the blockset</param>
|
|
/// <param name="size">The size of the blockset</param>
|
|
/// <param name="hashes">The list of hashes</param>
|
|
/// <param name="blocksetid">The id of the blockset, new or old</param>
|
|
/// <returns>True if the blockset was created, false otherwise</returns>
|
|
public bool AddBlockset(string filehash, long size, int blocksize, IEnumerable<string> hashes, IEnumerable<string> blocklistHashes, out long blocksetid)
|
|
{
|
|
blocksetid = m_findblocksetCommand.SetTransaction(m_rtr)
|
|
.SetParameterValue("@Fullhash", filehash)
|
|
.SetParameterValue("@Length", size)
|
|
.ExecuteScalarInt64(m_logQueries, null, -1);
|
|
if (blocksetid != -1)
|
|
return false; //Found it
|
|
|
|
blocksetid = m_insertblocksetCommand.SetTransaction(m_rtr)
|
|
.SetParameterValue("@Length", size)
|
|
.SetParameterValue("@Fullhash", filehash)
|
|
.ExecuteScalarInt64(m_logQueries);
|
|
|
|
long ix = 0;
|
|
if (blocklistHashes != null)
|
|
{
|
|
m_insertblocklistHashesCommand.SetTransaction(m_rtr)
|
|
.SetParameterValue("@BlocksetId", blocksetid);
|
|
|
|
foreach (var bh in blocklistHashes)
|
|
{
|
|
var c = m_insertblocklistHashesCommand.SetParameterValue("@Index", ix)
|
|
.SetParameterValue("@Hash", bh)
|
|
.ExecuteNonQuery(m_logQueries);
|
|
if (c != 1)
|
|
throw new Exception($"Failed to insert blocklist hash {bh} for blockset {blocksetid}, result count: {c}");
|
|
ix++;
|
|
}
|
|
}
|
|
|
|
m_insertblocksetentryCommand.SetTransaction(m_rtr)
|
|
.SetParameterValue("@BlocksetId", blocksetid);
|
|
|
|
ix = 0;
|
|
long remainsize = size;
|
|
foreach (var h in hashes)
|
|
{
|
|
var exsize = remainsize < blocksize ? remainsize : blocksize;
|
|
var c = m_insertblocksetentryCommand.SetParameterValue("@Index", ix)
|
|
.SetParameterValue("@Hash", h)
|
|
.SetParameterValue("@Size", exsize)
|
|
.ExecuteNonQuery(m_logQueries);
|
|
if (c != 1)
|
|
{
|
|
Logging.Log.WriteErrorMessage(LOGTAG, "CheckingErrorsForIssue1400", null, "Checking errors, related to #1400. Unexpected result count: {0}, expected {1}, hash: {2}, size: {3}, blocksetid: {4}, ix: {5}, fullhash: {6}, fullsize: {7}", c, 1, h, exsize, blocksetid, ix, filehash, size);
|
|
using (var cmd = m_connection.CreateCommand(m_rtr))
|
|
{
|
|
var bid = cmd.SetCommandAndParameters(@"SELECT ""ID"" FROM ""Block"" WHERE ""Hash"" = @Hash")
|
|
.SetParameterValue("@Hash", h)
|
|
.ExecuteScalarInt64(-1);
|
|
if (bid == -1)
|
|
throw new Exception($"Could not find any blocks with the given hash: {h}");
|
|
cmd.SetCommandAndParameters(@"SELECT ""Size"" FROM ""Block"" WHERE ""Hash"" = @Hash")
|
|
.SetParameterValue("@Hash", h);
|
|
foreach (var rd in cmd.ExecuteReaderEnumerable())
|
|
Logging.Log.WriteErrorMessage(LOGTAG, "FoundIssue1400Error", null, "Found block with ID {0} and hash {1} and size {2}", bid, h, rd.ConvertValueToInt64(0, -1));
|
|
}
|
|
|
|
throw new Exception($"Unexpected result count: {c}, expected {1}, check log for more messages");
|
|
}
|
|
|
|
ix++;
|
|
remainsize -= blocksize;
|
|
}
|
|
|
|
m_rtr.Commit();
|
|
|
|
return true;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the metadataset ID from the filehash
|
|
/// </summary>
|
|
/// <returns><c>true</c>, if metadataset found, false if does not exist.</returns>
|
|
/// <param name="filehash">The metadata hash.</param>
|
|
/// <param name="size">The size of the metadata.</param>
|
|
/// <param name="metadataid">The ID of the metadataset.</param>
|
|
/// <param name="transaction">An optional transaction.</param>
|
|
public bool GetMetadatasetID(string filehash, long size, out long metadataid)
|
|
{
|
|
if (size > 0)
|
|
{
|
|
metadataid = m_findmetadatasetCommand.SetTransaction(m_rtr)
|
|
.SetParameterValue("@Hash", filehash)
|
|
.SetParameterValue("@Size", size)
|
|
.ExecuteScalarInt64(m_logQueries, null, -1);
|
|
return metadataid != -1;
|
|
}
|
|
|
|
metadataid = -2;
|
|
return false;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Adds a metadata set to the database, and returns a value indicating if the record was new
|
|
/// </summary>
|
|
/// <param name="filehash">The metadata hash</param>
|
|
/// <param name="size">The size of the metadata</param>
|
|
/// <param name="transaction">The transaction to execute under</param>
|
|
/// <param name="blocksetid">The id of the blockset to add</param>
|
|
/// <param name="metadataid">The id of the metadata set</param>
|
|
/// <returns>True if the set was added to the database, false otherwise</returns>
|
|
public bool AddMetadataset(string filehash, long size, long blocksetid, out long metadataid)
|
|
{
|
|
if (GetMetadatasetID(filehash, size, out metadataid))
|
|
return false;
|
|
|
|
metadataid = m_insertmetadatasetCommand.SetTransaction(m_rtr)
|
|
.SetParameterValue("@BlocksetId", blocksetid)
|
|
.ExecuteScalarInt64(m_logQueries);
|
|
|
|
m_rtr.Commit();
|
|
|
|
return true;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Adds a file record to the database
|
|
/// </summary>
|
|
/// <param name="pathprefixid">The path prefix ID</param>
|
|
/// <param name="filename">The path to the file</param>
|
|
/// <param name="lastmodified">The time the file was modified</param>
|
|
/// <param name="blocksetID">The ID of the hashkey for the file</param>
|
|
/// <param name="metadataID">The ID for the metadata</param>
|
|
/// <param name="transaction">The transaction to use for insertion, or null for no transaction</param>
|
|
public void AddFile(long pathprefixid, string filename, DateTime lastmodified, long blocksetID, long metadataID)
|
|
{
|
|
var fileidobj = m_findfilesetCommand.SetTransaction(m_rtr)
|
|
.SetParameterValue("@BlocksetId", blocksetID)
|
|
.SetParameterValue("@MetadataId", metadataID)
|
|
.SetParameterValue("@Path", filename)
|
|
.SetParameterValue("@PrefixId", pathprefixid)
|
|
.ExecuteScalarInt64(m_logQueries);
|
|
|
|
if (fileidobj == -1)
|
|
{
|
|
fileidobj = m_insertfileCommand.SetTransaction(m_rtr)
|
|
.SetParameterValue("@PrefixId", pathprefixid)
|
|
.SetParameterValue("@Path", filename)
|
|
.SetParameterValue("@BlocksetId", blocksetID)
|
|
.SetParameterValue("@MetadataId", metadataID)
|
|
.ExecuteScalarInt64(m_logQueries);
|
|
m_rtr.Commit();
|
|
}
|
|
|
|
AddKnownFile(fileidobj, lastmodified);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Adds a file record to the database
|
|
/// </summary>
|
|
/// <param name="filename">The path to the file</param>
|
|
/// <param name="lastmodified">The time the file was modified</param>
|
|
/// <param name="blocksetID">The ID of the hashkey for the file</param>
|
|
/// <param name="metadataID">The ID for the metadata</param>
|
|
/// <param name="transaction">The transaction to use for insertion, or null for no transaction</param>
|
|
public void AddFile(string filename, DateTime lastmodified, long blocksetID, long metadataID)
|
|
{
|
|
var split = SplitIntoPrefixAndName(filename);
|
|
AddFile(GetOrCreatePathPrefix(split.Key), split.Value, lastmodified, blocksetID, metadataID);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Adds a known file to the fileset
|
|
/// </summary>
|
|
/// <param name="fileid">Id of the file</param>
|
|
/// <param name="lastmodified">The time the file was modified</param>
|
|
/// <param name="transaction">The transaction to use for insertion, or null for no transaction</param>
|
|
public void AddKnownFile(long fileid, DateTime lastmodified)
|
|
{
|
|
m_insertfileOperationCommand.SetTransaction(m_rtr)
|
|
.SetParameterValue("@FilesetId", m_filesetId)
|
|
.SetParameterValue("@FileId", fileid)
|
|
.SetParameterValue("@LastModified", lastmodified.ToUniversalTime().Ticks)
|
|
.ExecuteNonQuery(m_logQueries);
|
|
}
|
|
|
|
public void AddDirectoryEntry(string path, long metadataID, DateTime lastmodified)
|
|
{
|
|
AddFile(path, lastmodified, FOLDER_BLOCKSET_ID, metadataID);
|
|
}
|
|
|
|
public void AddSymlinkEntry(string path, long metadataID, DateTime lastmodified)
|
|
{
|
|
AddFile(path, lastmodified, SYMLINK_BLOCKSET_ID, metadataID);
|
|
}
|
|
|
|
public long GetFileLastModified(long prefixid, string path, long filesetid, bool includeLength, out DateTime oldModified, out long length)
|
|
{
|
|
if (includeLength)
|
|
{
|
|
m_selectfilelastmodifiedWithSizeCommand.SetTransaction(m_rtr)
|
|
.SetParameterValue("@PrefixId", prefixid)
|
|
.SetParameterValue("@Path", path)
|
|
.SetParameterValue("@FilesetId", filesetid);
|
|
using (var rd = m_selectfilelastmodifiedWithSizeCommand.ExecuteReader(m_logQueries, null))
|
|
if (rd.Read())
|
|
{
|
|
oldModified = new DateTime(rd.ConvertValueToInt64(1), DateTimeKind.Utc);
|
|
length = rd.ConvertValueToInt64(2);
|
|
return rd.ConvertValueToInt64(0);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
m_selectfilelastmodifiedCommand.SetTransaction(m_rtr)
|
|
.SetParameterValue("@PrefixId", prefixid)
|
|
.SetParameterValue("@Path", path)
|
|
.SetParameterValue("@FilesetId", filesetid);
|
|
using (var rd = m_selectfilelastmodifiedCommand.ExecuteReader(m_logQueries, null))
|
|
if (rd.Read())
|
|
{
|
|
length = -1;
|
|
oldModified = new DateTime(rd.ConvertValueToInt64(1), DateTimeKind.Utc);
|
|
return rd.ConvertValueToInt64(0);
|
|
}
|
|
|
|
}
|
|
oldModified = new DateTime(0, DateTimeKind.Utc);
|
|
length = -1;
|
|
return -1;
|
|
}
|
|
|
|
|
|
public long GetFileEntry(long prefixid, string path, long filesetid, out DateTime oldModified, out long lastFileSize, out string? oldMetahash, out long oldMetasize)
|
|
{
|
|
m_findfileCommand.SetTransaction(m_rtr)
|
|
.SetParameterValue("@PrefixId", prefixid)
|
|
.SetParameterValue("@Path", path)
|
|
.SetParameterValue("@FilesetId", filesetid);
|
|
|
|
using (var rd = m_findfileCommand.ExecuteReader())
|
|
if (rd.Read())
|
|
{
|
|
oldModified = new DateTime(rd.ConvertValueToInt64(1), DateTimeKind.Utc);
|
|
lastFileSize = rd.ConvertValueToInt64(2);
|
|
oldMetahash = rd.ConvertValueToString(3);
|
|
oldMetasize = rd.ConvertValueToInt64(4);
|
|
return rd.ConvertValueToInt64(0);
|
|
}
|
|
else
|
|
{
|
|
oldModified = new DateTime(0, DateTimeKind.Utc);
|
|
lastFileSize = -1;
|
|
oldMetahash = null;
|
|
oldMetasize = -1;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
public (long Size, string MetadataHash)? GetMetadataHashAndSizeForFile(long fileid)
|
|
{
|
|
m_selectfilemetadatahashandsizeCommand.SetTransaction(m_rtr)
|
|
.SetParameterValue("@FileId", fileid);
|
|
|
|
using (var rd = m_selectfilemetadatahashandsizeCommand.ExecuteReader())
|
|
if (rd.Read())
|
|
return (rd.ConvertValueToInt64(0), rd.ConvertValueToString(1) ?? throw new InvalidOperationException("Metadata hash is null"));
|
|
|
|
return null;
|
|
}
|
|
|
|
|
|
public string? GetFileHash(long fileid)
|
|
{
|
|
var r = m_selectfileHashCommand.SetTransaction(m_rtr)
|
|
.SetParameterValue("@FileId", fileid)
|
|
.ExecuteScalar(m_logQueries, null);
|
|
if (r == null || r == DBNull.Value)
|
|
return null;
|
|
|
|
return r.ToString();
|
|
}
|
|
|
|
public override void Dispose()
|
|
{
|
|
if (!string.IsNullOrWhiteSpace(m_tempDeletedBlockTable))
|
|
try
|
|
{
|
|
using (var cmd = m_connection.CreateCommand())
|
|
cmd.ExecuteNonQuery(FormatInvariant($@"DROP TABLE ""{m_tempDeletedBlockTable}"""));
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Logging.Log.WriteWarningMessage(LOGTAG, "DropTempTableFailed", ex, "Failed to drop temporary table {0}: {1}", m_tempDeletedBlockTable, ex.Message);
|
|
}
|
|
|
|
base.Dispose();
|
|
}
|
|
|
|
public long GetLastWrittenDBlockVolumeSize()
|
|
{
|
|
using (var cmd = m_connection.CreateCommand(m_rtr))
|
|
return cmd.SetCommandAndParameters(@"SELECT ""Size"" FROM ""RemoteVolume"" WHERE ""State"" = @State AND ""Type"" = @Type ORDER BY ""ID"" DESC LIMIT 1")
|
|
.SetParameterValue("@State", RemoteVolumeState.Uploaded.ToString())
|
|
.SetParameterValue("@Type", RemoteVolumeType.Blocks.ToString())
|
|
.ExecuteScalarInt64(-1);
|
|
}
|
|
|
|
private long GetPreviousFilesetID(SqliteCommand cmd)
|
|
{
|
|
return GetPreviousFilesetID(cmd, OperationTimestamp, m_filesetId);
|
|
}
|
|
|
|
private long GetPreviousFilesetID(SqliteCommand cmd, DateTime timestamp, long filesetid)
|
|
{
|
|
return cmd.SetTransaction(m_rtr)
|
|
.SetCommandAndParameters(@"SELECT ""ID"" FROM ""Fileset"" WHERE ""Timestamp"" < @Timestamp AND ""ID"" != @FilesetId ORDER BY ""Timestamp"" DESC ")
|
|
.SetParameterValue("@Timestamp", Library.Utility.Utility.NormalizeDateTimeToEpochSeconds(timestamp))
|
|
.SetParameterValue("@FilesetId", filesetid)
|
|
.ExecuteScalarInt64(-1);
|
|
}
|
|
|
|
internal Tuple<long, long> GetLastBackupFileCountAndSize()
|
|
{
|
|
using (var cmd = m_connection.CreateCommand())
|
|
{
|
|
var lastFilesetId = cmd.ExecuteScalarInt64(@"SELECT ""ID"" FROM ""Fileset"" ORDER BY ""Timestamp"" DESC LIMIT 1");
|
|
var count = cmd.SetCommandAndParameters(@"SELECT COUNT(*) FROM ""FileLookup"" INNER JOIN ""FilesetEntry"" ON ""FileLookup"".""ID"" = ""FilesetEntry"".""FileID"" WHERE ""FilesetEntry"".""FilesetID"" = @FilesetId AND ""FileLookup"".""BlocksetID"" NOT IN (@FolderBlocksetId, @SymlinkBlocksetId)")
|
|
.SetParameterValue("@FilesetId", lastFilesetId)
|
|
.SetParameterValue("@FolderBlocksetId", FOLDER_BLOCKSET_ID)
|
|
.SetParameterValue("@SymlinkBlocksetId", SYMLINK_BLOCKSET_ID)
|
|
.ExecuteScalarInt64(-1);
|
|
|
|
var size = cmd.SetCommandAndParameters(@"SELECT SUM(""Blockset"".""Length"") FROM ""FileLookup"", ""FilesetEntry"", ""Blockset"" WHERE ""FileLookup"".""ID"" = ""FilesetEntry"".""FileID"" AND ""FileLookup"".""BlocksetID"" = ""Blockset"".""ID"" AND ""FilesetEntry"".""FilesetID"" = @FilesetId AND ""FileLookup"".""BlocksetID"" NOT IN (@FolderBlocksetId, @SymlinkBlocksetId)")
|
|
.SetParameterValue("@FilesetId", lastFilesetId)
|
|
.SetParameterValue("@FolderBlocksetId", FOLDER_BLOCKSET_ID)
|
|
.SetParameterValue("@SymlinkBlocksetId", SYMLINK_BLOCKSET_ID)
|
|
.ExecuteScalarInt64(-1);
|
|
|
|
return new Tuple<long, long>(count, size);
|
|
}
|
|
}
|
|
|
|
internal void UpdateChangeStatistics(BackupResults results)
|
|
{
|
|
using (var cmd = m_connection.CreateCommand(m_rtr))
|
|
{
|
|
var prevFileSetId = GetPreviousFilesetID(cmd);
|
|
ChangeStatistics.UpdateChangeStatistics(cmd, results, m_filesetId, prevFileSetId);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Populates FilesetEntry table with files from previous fileset, which aren't
|
|
/// yet part of the new fileset, and which aren't on the (optional) list of <c>deleted</c> paths.
|
|
/// </summary>
|
|
/// <param name="transaction">Transaction</param>
|
|
/// <param name="deleted">List of deleted paths, or null</param>
|
|
public void AppendFilesFromPreviousSet(IEnumerable<string>? deleted = null)
|
|
{
|
|
AppendFilesFromPreviousSet(deleted, m_filesetId, -1, OperationTimestamp);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Populates FilesetEntry table with files from previous fileset, which aren't
|
|
/// yet part of the new fileset, and which aren't on the (optional) list of <c>deleted</c> paths.
|
|
/// </summary>
|
|
/// <param name="transaction">Transaction</param>
|
|
/// <param name="deleted">List of deleted paths, or null</param>
|
|
/// <param name="filesetid">Current file-set ID</param>
|
|
/// <param name="prevId">Source file-set ID</param>
|
|
/// <param name="timestamp">If <c>filesetid</c> == -1, used to locate previous file-set</param>
|
|
public void AppendFilesFromPreviousSet(IEnumerable<string>? deleted, long filesetid, long prevId, DateTime timestamp)
|
|
{
|
|
using (var cmd = m_connection.CreateCommand())
|
|
using (var cmdDelete = m_connection.CreateCommand())
|
|
{
|
|
long lastFilesetId = prevId < 0 ? GetPreviousFilesetID(cmd, timestamp, filesetid, tr.Parent) : prevId;
|
|
|
|
cmd.SetTransaction(m_rtr)
|
|
.SetCommandAndParameters(@"INSERT INTO ""FilesetEntry"" (""FilesetID"", ""FileID"", ""Lastmodified"") SELECT @CurrentFilesetId AS ""FilesetID"", ""FileID"", ""Lastmodified"" FROM (SELECT DISTINCT ""FilesetID"", ""FileID"", ""Lastmodified"" FROM ""FilesetEntry"" WHERE ""FilesetID"" = @PreviousFilesetId AND ""FileID"" NOT IN (SELECT ""FileID"" FROM ""FilesetEntry"" WHERE ""FilesetID"" = @CurrentFilesetId)) ")
|
|
.SetParameterValue("@CurrentFilesetId", filesetid)
|
|
.SetParameterValue("@PreviousFilesetId", lastFilesetId)
|
|
.ExecuteNonQuery(m_logQueries);
|
|
|
|
if (deleted != null)
|
|
{
|
|
using var tmplist = new TemporaryDbValueList(m_connection, tr.Parent, deleted);
|
|
cmdDelete.SetTransaction(m_rtr)
|
|
.SetCommandAndParameters(@"DELETE FROM ""FilesetEntry"" WHERE ""FilesetID"" = @FilesetId AND ""FileID"" IN (SELECT ""ID"" FROM ""File"" WHERE ""Path"" IN (@Paths)) ")
|
|
.SetParameterValue("@FilesetId", filesetid)
|
|
.ExpandInClauseParameter("@Paths", tmplist)
|
|
.ExecuteNonQuery(m_logQueries);
|
|
}
|
|
|
|
m_rtr.Commit();
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Populates FilesetEntry table with files from previous fileset, which aren't
|
|
/// yet part of the new fileset, and which aren't excluded by the (optional) exclusion
|
|
/// predicate.
|
|
/// </summary>
|
|
/// <param name="transaction">Transaction</param>
|
|
/// <param name="exclusionPredicate">Optional exclusion predicate (true = exclude file)</param>
|
|
public void AppendFilesFromPreviousSetWithPredicate(Func<string, long, bool> exclusionPredicate)
|
|
{
|
|
AppendFilesFromPreviousSetWithPredicate(exclusionPredicate, m_filesetId, -1, OperationTimestamp);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Populates FilesetEntry table with files from previous fileset, which aren't
|
|
/// yet part of the new fileset, and which aren't excluded by the (optional) exclusion
|
|
/// predicate.
|
|
/// </summary>
|
|
/// <param name="transaction">Transaction</param>
|
|
/// <param name="exclusionPredicate">Optional exclusion predicate (true = exclude file)</param>
|
|
/// <param name="fileSetId">Current fileset ID</param>
|
|
/// <param name="prevFileSetId">Source fileset ID</param>
|
|
/// <param name="timestamp">If <c>prevFileSetId</c> == -1, used to locate previous fileset</param>
|
|
public void AppendFilesFromPreviousSetWithPredicate(Func<string, long, bool> exclusionPredicate, long fileSetId, long prevFileSetId, DateTime timestamp)
|
|
{
|
|
if (exclusionPredicate == null)
|
|
{
|
|
AppendFilesFromPreviousSet(null, fileSetId, prevFileSetId, timestamp);
|
|
return;
|
|
}
|
|
|
|
using (var cmd = m_connection.CreateCommand())
|
|
using (var cmdDelete = m_connection.CreateCommand())
|
|
{
|
|
long lastFilesetId = prevFileSetId < 0 ? GetPreviousFilesetID(cmd, timestamp, fileSetId) : prevFileSetId;
|
|
|
|
// copy entries from previous file set into a temporary table, except those file IDs already added by the current backup
|
|
var tempFileSetTable = "FilesetEntry-" + Library.Utility.Utility.ByteArrayAsHexString(Guid.NewGuid().ToByteArray());
|
|
cmd.SetTransaction(m_rtr)
|
|
cmd.SetCommandAndParameters(FormatInvariant($@"CREATE TEMPORARY TABLE ""{tempFileSetTable}"" AS SELECT ""FileID"", ""Lastmodified"" FROM (SELECT DISTINCT ""FilesetID"", ""FileID"", ""Lastmodified"" FROM ""FilesetEntry"" WHERE ""FilesetID"" = @PreviousFilesetId AND ""FileID"" NOT IN (SELECT ""FileID"" FROM ""FilesetEntry"" WHERE ""FilesetID"" = @CurrentFilesetId))"))
|
|
.SetParameterValue("@PreviousFilesetId", lastFilesetId)
|
|
.SetParameterValue("@CurrentFilesetId", fileSetId)
|
|
.ExecuteNonQuery();
|
|
|
|
// now we need to remove, from the above, any entries that were enumerated by the
|
|
// UNC-driven backup
|
|
cmdDelete.SetTransaction(m_rtr)
|
|
.SetCommandAndParameters(FormatInvariant($@"DELETE FROM ""{tempFileSetTable}"" WHERE ""FileID"" = @FileId"));
|
|
|
|
// enumerate files from new temporary file set, and remove any entries handled by UNC
|
|
foreach (var row in cmd.ExecuteReaderEnumerable(FormatInvariant(
|
|
$@"SELECT f.""Path"", fs.""FileID"", fs.""Lastmodified"", COALESCE(bs.""Length"", -1)
|
|
FROM (SELECT DISTINCT ""FileID"", ""Lastmodified"" FROM ""{tempFileSetTable}"") AS fs
|
|
LEFT JOIN ""File"" AS f ON fs.""FileID"" = f.""ID""
|
|
LEFT JOIN ""Blockset"" AS bs ON f.""BlocksetID"" = bs.""ID"";")))
|
|
{
|
|
var path = row.ConvertValueToString(0) ?? throw new Exception("Unexpected null value for path");
|
|
var size = row.ConvertValueToInt64(3);
|
|
|
|
if (exclusionPredicate(path, size))
|
|
cmdDelete.SetParameterValue("@FileId", row.ConvertValueToInt64(1))
|
|
.ExecuteNonQuery();
|
|
}
|
|
|
|
// now copy the temporary table into the FileSetEntry table
|
|
cmd.SetCommandAndParameters(FormatInvariant($@"INSERT INTO ""FilesetEntry"" (""FilesetID"", ""FileID"", ""Lastmodified"")
|
|
SELECT @FilesetId, ""FileID"", ""Lastmodified"" FROM ""{tempFileSetTable}"""))
|
|
.SetParameterValue("@FilesetId", fileSetId)
|
|
.ExecuteNonQuery();
|
|
|
|
m_rtr.Commit();
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Creates a timestamped backup operation to correctly associate the fileset with the time it was created.
|
|
/// </summary>
|
|
/// <param name="volumeid">The ID of the fileset volume to update</param>
|
|
/// <param name="timestamp">The timestamp of the operation to create</param>
|
|
/// <param name="transaction">An optional external transaction</param>
|
|
public override long CreateFileset(long volumeid, DateTime timestamp)
|
|
{
|
|
return m_filesetId = base.CreateFileset(volumeid, timestamp);
|
|
}
|
|
|
|
public IEnumerable<string> GetTemporaryFilelistVolumeNames(bool latestOnly)
|
|
{
|
|
var incompleteFilesetIDs = GetIncompleteFilesets().OrderBy(x => x.Value).Select(x => x.Key).ToArray();
|
|
|
|
if (!incompleteFilesetIDs.Any())
|
|
return Enumerable.Empty<string>();
|
|
|
|
if (latestOnly)
|
|
incompleteFilesetIDs = new long[] { incompleteFilesetIDs.Last() };
|
|
|
|
var volumeNames = new List<string>();
|
|
foreach (var filesetID in incompleteFilesetIDs)
|
|
volumeNames.Add(GetRemoteVolumeFromFilesetID(filesetID).Name);
|
|
|
|
return volumeNames;
|
|
}
|
|
|
|
public IEnumerable<string> GetMissingIndexFiles()
|
|
{
|
|
using var cmd = m_connection.CreateCommand(m_rtr)
|
|
.SetCommandAndParameters(@"SELECT ""Name"" FROM ""RemoteVolume"" WHERE ""Type"" = @Type AND NOT ""ID"" IN (SELECT ""BlockVolumeID"" FROM ""IndexBlockLink"") AND ""State"" IN (@States)")
|
|
.SetParameterValue("@Type", RemoteVolumeType.Blocks.ToString())
|
|
.ExpandInClauseParameter("@States", [RemoteVolumeState.Uploaded.ToString(), RemoteVolumeState.Verified.ToString()]);
|
|
|
|
using (var rd = cmd.ExecuteReader())
|
|
while (rd.Read())
|
|
yield return rd.ConvertValueToString(0) ?? throw new Exception("Unexpected null value for volume name");
|
|
}
|
|
|
|
public void MoveBlockToVolume(string blockkey, long size, long sourcevolumeid, long targetvolumeid)
|
|
{
|
|
using (var cmd = m_connection.CreateCommand())
|
|
{
|
|
var c = cmd.SetCommandAndParameters(@"UPDATE ""Block"" SET ""VolumeID"" = @NewVolumeId WHERE ""Hash"" = @Hash AND ""Size"" = @Size AND ""VolumeID"" = @PreviousVolumeId ")
|
|
.SetTransaction(m_rtr)
|
|
.SetParameterValue("@NewVolumeId", targetvolumeid)
|
|
.SetParameterValue("@Hash", blockkey)
|
|
.SetParameterValue("@Size", size)
|
|
.SetParameterValue("@PreviousVolumeId", sourcevolumeid)
|
|
.ExecuteNonQuery();
|
|
if (c != 1)
|
|
throw new Exception($"Failed to move block {blockkey}:{size} from volume {sourcevolumeid}, count: {c}");
|
|
}
|
|
}
|
|
|
|
public void SafeDeleteRemoteVolume(string name)
|
|
{
|
|
var volumeid = GetRemoteVolumeID(name);
|
|
|
|
using (var cmd = m_connection.CreateCommand(m_rtr))
|
|
{
|
|
var c = cmd.SetCommandAndParameters(@"SELECT COUNT(*) FROM ""Block"" WHERE ""VolumeID"" = @VolumeId ")
|
|
.SetParameterValue("@VolumeId", volumeid)
|
|
.ExecuteScalarInt64(-1);
|
|
if (c != 0)
|
|
throw new Exception($"Failed to safe-delete volume {name}, blocks: {c}");
|
|
|
|
RemoveRemoteVolume(name);
|
|
}
|
|
}
|
|
|
|
public string[] GetBlocklistHashes(string name)
|
|
{
|
|
var volumeid = GetRemoteVolumeID(name);
|
|
using (var cmd = m_connection.CreateCommand(m_rtr))
|
|
{
|
|
// Grab the strings and return as array to avoid concurrent access to the IEnumerable
|
|
cmd.SetCommandAndParameters(@"SELECT DISTINCT ""Block"".""Hash"" FROM ""Block"" WHERE ""Block"".""VolumeID"" = @VolumeId AND ""Block"".""Hash"" IN (SELECT ""Hash"" FROM ""BlocklistHash"")")
|
|
.SetParameterValue("@VolumeId", volumeid);
|
|
return cmd.ExecuteReaderEnumerable()
|
|
.Select(x => x.ConvertValueToString(0) ?? throw new Exception("Unexpected null value for blocklist hash"))
|
|
.ToArray();
|
|
}
|
|
}
|
|
|
|
public string? GetFirstPath()
|
|
{
|
|
using (var cmd = m_connection.CreateCommand(@"SELECT ""Path"" FROM ""File"" ORDER BY LENGTH(""Path"") DESC LIMIT 1"))
|
|
{
|
|
var v0 = cmd.ExecuteScalar();
|
|
if (v0 == null || v0 == DBNull.Value)
|
|
return null;
|
|
|
|
return v0.ToString();
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Retrieves change journal data for file set
|
|
/// </summary>
|
|
/// <param name="fileSetId">Fileset-ID</param>
|
|
public IEnumerable<Interface.USNJournalDataEntry> GetChangeJournalData(long fileSetId)
|
|
{
|
|
var data = new List<Interface.USNJournalDataEntry>();
|
|
|
|
using var cmd = m_connection.CreateCommand(@"SELECT ""VolumeName"", ""JournalID"", ""NextUSN"", ""ConfigHash"" FROM ""ChangeJournalData"" WHERE ""FilesetID"" = @FilesetId")
|
|
.SetParameterValue("@FilesetId", fileSetId);
|
|
using (var rd = cmd.ExecuteReader())
|
|
{
|
|
while (rd.Read())
|
|
{
|
|
data.Add(new Interface.USNJournalDataEntry
|
|
{
|
|
Volume = rd.ConvertValueToString(0),
|
|
JournalId = rd.ConvertValueToInt64(1),
|
|
NextUsn = rd.ConvertValueToInt64(2),
|
|
ConfigHash = rd.ConvertValueToString(3)
|
|
});
|
|
}
|
|
|
|
}
|
|
|
|
return data;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Adds NTFS change journal data for file set and volume
|
|
/// </summary>
|
|
/// <param name="data">Data to add</param>
|
|
/// <param name="transaction">An optional external transaction</param>
|
|
public void CreateChangeJournalData(IEnumerable<Interface.USNJournalDataEntry> data)
|
|
{
|
|
foreach (var entry in data)
|
|
{
|
|
using (var cmd = m_connection.CreateCommand(m_rtr))
|
|
{
|
|
var c = cmd.SetCommandAndParameters(
|
|
@"INSERT INTO ""ChangeJournalData"" (""FilesetID"", ""VolumeName"", ""JournalID"", ""NextUSN"", ""ConfigHash"") VALUES (@FilesetId, @VolumeName, @JournalId, @NextUsn, @ConfigHash);")
|
|
.SetParameterValue("@FilesetId", m_filesetId)
|
|
.SetParameterValue("@VolumeName", entry.Volume)
|
|
.SetParameterValue("@JournalId", entry.JournalId)
|
|
.SetParameterValue("@NextUsn", entry.NextUsn)
|
|
.SetParameterValue("@ConfigHash", entry.ConfigHash)
|
|
.ExecuteNonQuery();
|
|
|
|
if (c != 1)
|
|
throw new Exception("Unable to add change journal entry");
|
|
}
|
|
}
|
|
|
|
m_rtr.Commit();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Adds NTFS change journal data for file set and volume
|
|
/// </summary>
|
|
/// <param name="data">Data to add</param>
|
|
/// <param name="fileSetId">Existing file set to update</param>
|
|
/// <param name="transaction">An optional external transaction</param>
|
|
public void UpdateChangeJournalData(IEnumerable<Interface.USNJournalDataEntry> data, long fileSetId)
|
|
{
|
|
foreach (var entry in data)
|
|
{
|
|
using (var cmd = m_connection.CreateCommand())
|
|
{
|
|
cmd.SetCommandAndParameters(
|
|
@"UPDATE ""ChangeJournalData"" SET ""NextUSN"" = @NextUsn WHERE ""FilesetID"" = @FilesetId AND ""VolumeName"" = @VolumeName AND ""JournalID"" = @JournalId;")
|
|
.SetTransaction(m_rtr)
|
|
.SetParameterValue("@NextUsn", entry.NextUsn)
|
|
.SetParameterValue("@FilesetId", fileSetId)
|
|
.SetParameterValue("@VolumeName", entry.Volume)
|
|
.SetParameterValue("@JournalId", entry.JournalId)
|
|
.ExecuteNonQuery();
|
|
}
|
|
}
|
|
|
|
m_rtr.Commit();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Checks if a blocklist hash is known
|
|
/// </summary>
|
|
/// <param name="hash">The hash to check</param>
|
|
/// <param name="transaction">An optional external transaction</param>
|
|
/// <returns>True if the hash is known, false otherwise</returns>
|
|
public bool IsBlocklistHashKnown(string hash)
|
|
{
|
|
var res = m_getfirstfilesetwithblockinblockset.SetTransaction(m_rtr)
|
|
.SetParameterValue("@Hash", hash)
|
|
.ExecuteScalarInt64();
|
|
if (res != -1 && res != m_filesetId)
|
|
return true;
|
|
else
|
|
return !m_blocklistHashes.Add(hash);
|
|
}
|
|
}
|
|
}
|