mirror of
https://github.com/duplicati/duplicati.git
synced 2026-05-07 23:59:36 -04:00
Kenneth Skovhede
414 lines
23 KiB
C#
414 lines
23 KiB
C#
// Copyright (C) 2024, 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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namespace Duplicati.Library.Main.Database
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{
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internal class LocalTestDatabase : LocalDatabase
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{
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public LocalTestDatabase(string path)
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: base(path, "Test", true)
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{
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}
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public LocalTestDatabase(LocalDatabase parent)
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: base(parent)
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{
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}
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public void UpdateVerificationCount(string name)
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{
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using(var cmd = m_connection.CreateCommand())
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cmd.ExecuteNonQuery(@"UPDATE ""RemoteVolume"" SET ""VerificationCount"" = MAX(1, CASE WHEN ""VerificationCount"" <= 0 THEN (SELECT MAX(""VerificationCount"") FROM ""RemoteVolume"") ELSE ""VerificationCount"" + 1 END) WHERE ""Name"" = ?", name);
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}
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private class RemoteVolume : IRemoteVolume
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{
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public long ID { get; private set; }
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public string Name { get; private set; }
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public long Size { get; private set; }
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public string Hash { get; private set; }
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public long VerificationCount { get; private set; }
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public RemoteVolume(System.Data.IDataReader rd)
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{
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this.ID = rd.GetInt64(0);
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this.Name = rd.GetString(1);
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this.Size = rd.ConvertValueToInt64(2);
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this.Hash = rd.ConvertValueToString(3);
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this.VerificationCount = rd.ConvertValueToInt64(4);
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}
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}
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private IEnumerable<RemoteVolume> FilterByVerificationCount(IEnumerable<RemoteVolume> volumes, long samples, long maxverification)
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{
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var rnd = new Random();
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// First round is the new items
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var res = (from n in volumes where n.VerificationCount == 0 select n).ToList();
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while (res.Count > samples)
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res.RemoveAt(rnd.Next(0, res.Count));
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// Quick exit if we are done
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if (res.Count == samples)
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return res;
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// Next is the volumes that are not
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// verified as much, with preference for low verification count
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var starved = (from n in volumes where n.VerificationCount != 0 && n.VerificationCount < maxverification orderby n.VerificationCount select n);
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if (starved.Any())
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{
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var max = starved.Select(x => x.VerificationCount).Max();
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var min = starved.Select(x => x.VerificationCount).Min();
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for(var i = min; i <= max; i++)
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{
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var p = starved.Where(x => x.VerificationCount == i).ToList();
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while (res.Count < samples && p.Count > 0)
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{
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var n = rnd.Next(0, p.Count);
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res.Add(p[n]);
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p.RemoveAt(n);
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}
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}
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// Quick exit if we are done
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if (res.Count == samples)
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return res;
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}
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if (maxverification > 0)
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{
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// Last is the items that are verified mostly
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var remainder = (from n in volumes where n.VerificationCount >= maxverification select n).ToList();
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while (res.Count < samples && remainder.Count > 0)
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{
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var n = rnd.Next(0, remainder.Count);
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res.Add(remainder[n]);
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remainder.RemoveAt(n);
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}
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}
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return res;
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}
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public IEnumerable<IRemoteVolume> SelectTestTargets(long samples, Options options)
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{
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var tp = GetFilelistWhereClause(options.Time, options.Version);
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samples = Math.Max(1, samples);
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using(var cmd = m_connection.CreateCommand())
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{
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// Select any broken items
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using (var rd = cmd.ExecuteReader(@"SELECT ""ID"", ""Name"", ""Size"", ""Hash"", ""VerificationCount"" FROM ""Remotevolume"" WHERE (""State"" = ? OR ""State"" = ?) AND (""Hash"" = '' OR ""Hash"" IS NULL OR ""Size"" <= 0) ", RemoteVolumeState.Verified.ToString(), RemoteVolumeState.Uploaded.ToString()))
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while (rd.Read())
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yield return new RemoteVolume(rd);
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//Grab the max value
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var max = cmd.ExecuteScalarInt64(@"SELECT MAX(""VerificationCount"") FROM ""RemoteVolume""", 0);
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//First we select some filesets
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var files = new List<RemoteVolume>();
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var whereClause = string.IsNullOrEmpty(tp.Item1) ? " WHERE " : (" " + tp.Item1 + " AND ");
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using(var rd = cmd.ExecuteReader(@"SELECT ""A"".""VolumeID"", ""A"".""Name"", ""A"".""Size"", ""A"".""Hash"", ""A"".""VerificationCount"" FROM (SELECT ""ID"" AS ""VolumeID"", ""Name"", ""Size"", ""Hash"", ""VerificationCount"" FROM ""Remotevolume"" WHERE ""State"" IN (?, ?)) A, ""Fileset"" " + whereClause + @" ""A"".""VolumeID"" = ""Fileset"".""VolumeID"" ORDER BY ""Fileset"".""Timestamp"" ", RemoteVolumeState.Uploaded.ToString(), RemoteVolumeState.Verified.ToString(), tp.Item2))
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while (rd.Read())
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files.Add(new RemoteVolume(rd));
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if (files.Count == 0)
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yield break;
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if (string.IsNullOrEmpty(tp.Item1))
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files = FilterByVerificationCount(files, samples, max).ToList();
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foreach(var f in files)
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yield return f;
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//Then we select some index files
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files.Clear();
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using(var rd = cmd.ExecuteReader(@"SELECT ""ID"", ""Name"", ""Size"", ""Hash"", ""VerificationCount"" FROM ""Remotevolume"" WHERE ""Type"" = ? AND ""State"" IN (?, ?)", RemoteVolumeType.Index.ToString(), RemoteVolumeState.Uploaded.ToString(), RemoteVolumeState.Verified.ToString()))
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while (rd.Read())
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files.Add(new RemoteVolume(rd));
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foreach(var f in FilterByVerificationCount(files, samples, max))
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yield return f;
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if (options.FullRemoteVerification == Options.RemoteTestStrategy.ListAndIndexes)
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yield break;
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//And finally some block files
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files.Clear();
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using(var rd = cmd.ExecuteReader(@"SELECT ""ID"", ""Name"", ""Size"", ""Hash"", ""VerificationCount"" FROM ""Remotevolume"" WHERE ""Type"" = ? AND ""State"" IN (?, ?)", RemoteVolumeType.Blocks.ToString(), RemoteVolumeState.Uploaded.ToString(), RemoteVolumeState.Verified.ToString()))
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while (rd.Read())
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files.Add(new RemoteVolume(rd));
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foreach(var f in FilterByVerificationCount(files, samples, max))
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yield return f;
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}
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}
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private abstract class Basiclist : IDisposable
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{
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protected readonly System.Data.IDbConnection m_connection;
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protected readonly string m_volumename;
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protected string m_tablename;
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protected System.Data.IDbTransaction m_transaction;
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protected System.Data.IDbCommand m_insertCommand;
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protected Basiclist(System.Data.IDbConnection connection, string volumename, string tablePrefix, string tableFormat, string insertCommand, int insertArguments)
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{
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m_connection = connection;
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m_volumename = volumename;
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m_transaction = m_connection.BeginTransaction();
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var tablename = tablePrefix + "-" + 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;
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cmd.ExecuteNonQuery(string.Format(@"CREATE TEMPORARY TABLE ""{0}"" {1}", tablename, tableFormat));
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m_tablename = tablename;
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}
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m_insertCommand = m_connection.CreateCommand();
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m_insertCommand.Transaction = m_transaction;
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m_insertCommand.CommandText = string.Format(@"INSERT INTO ""{0}"" {1}", m_tablename, insertCommand);
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m_insertCommand.AddParameters(insertArguments);
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}
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public virtual void Dispose()
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{
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if (m_tablename != null)
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try
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{
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using(var cmd = m_connection.CreateCommand())
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{
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cmd.Transaction = m_transaction;
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cmd.ExecuteNonQuery(string.Format(@"DROP TABLE IF EXISTS ""{0}""", m_tablename));
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}
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}
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catch {}
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finally { m_tablename = null; }
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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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if (m_transaction != null)
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try { m_transaction.Rollback(); }
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catch {}
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finally { m_transaction = null; }
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}
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}
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public interface IFilelist : IDisposable
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{
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void Add(string path, long size, string hash, long metasize, string metahash, IEnumerable<string> blocklistHashes, FilelistEntryType type, DateTime time);
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IEnumerable<KeyValuePair<Library.Interface.TestEntryStatus, string>> Compare();
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}
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private class Filelist : Basiclist, IFilelist
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{
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private const string TABLE_PREFIX = "Filelist";
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private const string TABLE_FORMAT = @"(""Path"" TEXT NOT NULL, ""Size"" INTEGER NOT NULL, ""Hash"" TEXT NULL, ""Metasize"" INTEGER NOT NULL, ""Metahash"" TEXT NOT NULL)";
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private const string INSERT_COMMAND = @"(""Path"", ""Size"", ""Hash"", ""Metasize"", ""Metahash"") VALUES (?,?,?,?,?)";
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private const int INSERT_ARGUMENTS = 5;
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public Filelist(System.Data.IDbConnection connection, string volumename)
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: base(connection, volumename, Filelist.TABLE_PREFIX, Filelist.TABLE_FORMAT, Filelist.INSERT_COMMAND, Filelist.INSERT_ARGUMENTS)
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{
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}
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public void Add(string path, long size, string hash, long metasize, string metahash, IEnumerable<string> blocklistHashes, FilelistEntryType type, DateTime time)
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{
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m_insertCommand.SetParameterValue(0, path);
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m_insertCommand.SetParameterValue(1, hash == null ? - 1: size);
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m_insertCommand.SetParameterValue(2, hash);
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m_insertCommand.SetParameterValue(3, metasize);
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m_insertCommand.SetParameterValue(4, metahash);
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m_insertCommand.ExecuteNonQuery();
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}
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public IEnumerable<KeyValuePair<Duplicati.Library.Interface.TestEntryStatus, string>> Compare()
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{
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var cmpName = "CmpTable-" + Library.Utility.Utility.ByteArrayAsHexString(Guid.NewGuid().ToByteArray());
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var create = @"CREATE TEMPORARY TABLE ""{1}"" AS SELECT ""A"".""Path"" AS ""Path"", CASE WHEN ""B"".""Fullhash"" IS NULL THEN -1 ELSE ""B"".""Length"" END AS ""Size"", ""B"".""Fullhash"" AS ""Hash"", ""C"".""Length"" AS ""Metasize"", ""C"".""Fullhash"" AS ""Metahash"" FROM (SELECT ""File"".""Path"", ""File"".""BlocksetID"" AS ""FileBlocksetID"", ""Metadataset"".""BlocksetID"" AS ""MetadataBlocksetID"" from ""Remotevolume"", ""Fileset"", ""FilesetEntry"", ""File"", ""Metadataset"" WHERE ""Remotevolume"".""Name"" = ? AND ""Fileset"".""VolumeID"" = ""Remotevolume"".""ID"" AND ""Fileset"".""ID"" = ""FilesetEntry"".""FilesetID"" AND ""File"".""ID"" = ""FilesetEntry"".""FileID"" AND ""File"".""MetadataID"" = ""Metadataset"".""ID"") A LEFT OUTER JOIN ""Blockset"" B ON ""B"".""ID"" = ""A"".""FileBlocksetID"" LEFT OUTER JOIN ""Blockset"" C ON ""C"".""ID""=""A"".""MetadataBlocksetID"" ";
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var extra = @"SELECT ? AS ""Type"", ""{0}"".""Path"" AS ""Path"" FROM ""{0}"" WHERE ""{0}"".""Path"" NOT IN ( SELECT ""Path"" FROM ""{1}"" )";
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var missing = @"SELECT ? AS ""Type"", ""Path"" AS ""Path"" FROM ""{1}"" WHERE ""Path"" NOT IN (SELECT ""Path"" FROM ""{0}"")";
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var modified = @"SELECT ? AS ""Type"", ""E"".""Path"" AS ""Path"" FROM ""{0}"" E, ""{1}"" D WHERE ""D"".""Path"" = ""E"".""Path"" AND (""D"".""Size"" != ""E"".""Size"" OR ""D"".""Hash"" != ""E"".""Hash"" OR ""D"".""Metasize"" != ""E"".""Metasize"" OR ""D"".""Metahash"" != ""E"".""Metahash"") ";
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var drop = @"DROP TABLE IF EXISTS ""{1}"" ";
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using(var cmd = m_connection.CreateCommand())
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{
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cmd.Transaction = m_transaction;
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try
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{
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cmd.ExecuteNonQuery(string.Format(create, m_tablename, cmpName), m_volumename);
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using(var rd = cmd.ExecuteReader(string.Format(extra + " UNION " + missing + " UNION " + modified, m_tablename, cmpName), (int)Library.Interface.TestEntryStatus.Extra, (int)Library.Interface.TestEntryStatus.Missing, (int)Library.Interface.TestEntryStatus.Modified))
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while(rd.Read())
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yield return new KeyValuePair<Duplicati.Library.Interface.TestEntryStatus, string>((Duplicati.Library.Interface.TestEntryStatus)rd.GetInt64(0), rd.GetString(1));
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}
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finally
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{
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try { cmd.ExecuteNonQuery(string.Format(drop, m_tablename, cmpName)); }
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catch {}
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}
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}
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}
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}
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public interface IIndexlist: IDisposable
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{
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void AddBlockLink(string filename, string hash, long length);
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IEnumerable<KeyValuePair<Library.Interface.TestEntryStatus, string>> Compare();
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}
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private class Indexlist : Basiclist, IIndexlist
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{
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private const string TABLE_PREFIX = "Indexlist";
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private const string TABLE_FORMAT = @"(""Name"" TEXT NOT NULL, ""Hash"" TEXT NOT NULL, ""Size"" INTEGER NOT NULL)";
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private const string INSERT_COMMAND = @"(""Name"", ""Hash"", ""Size"") VALUES (?,?,?)";
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private const int INSERT_ARGUMENTS = 3;
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public Indexlist(System.Data.IDbConnection connection, string volumename)
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: base(connection, volumename, Indexlist.TABLE_PREFIX, Indexlist.TABLE_FORMAT, Indexlist.INSERT_COMMAND, Indexlist.INSERT_ARGUMENTS)
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{
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}
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public void AddBlockLink(string filename, string hash, long length)
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{
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m_insertCommand.SetParameterValue(0, filename);
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m_insertCommand.SetParameterValue(1, hash);
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m_insertCommand.SetParameterValue(2, length);
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m_insertCommand.ExecuteNonQuery();
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}
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public IEnumerable<KeyValuePair<Duplicati.Library.Interface.TestEntryStatus, string>> Compare()
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{
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var cmpName = "CmpTable-" + Library.Utility.Utility.ByteArrayAsHexString(Guid.NewGuid().ToByteArray());
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var create = @"CREATE TEMPORARY TABLE ""{1}"" AS SELECT ""A"".""Name"", ""A"".""Hash"", ""A"".""Size"" FROM ""Remotevolume"" A, ""Remotevolume"" B, ""IndexBlockLink"" WHERE ""B"".""Name"" = ? AND ""A"".""ID"" = ""IndexBlockLink"".""BlockVolumeID"" AND ""B"".""ID"" = ""IndexBlockLink"".""IndexVolumeID"" ";
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var extra = @"SELECT ? AS ""Type"", ""{0}"".""Name"" AS ""Name"" FROM ""{0}"" WHERE ""{0}"".""Name"" NOT IN ( SELECT ""Name"" FROM ""{1}"" )";
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var missing = @"SELECT ? AS ""Type"", ""Name"" AS ""Name"" FROM ""{1}"" WHERE ""Name"" NOT IN (SELECT ""Name"" FROM ""{0}"")";
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var modified = @"SELECT ? AS ""Type"", ""E"".""Name"" AS ""Name"" FROM ""{0}"" E, ""{1}"" D WHERE ""D"".""Name"" = ""E"".""Name"" AND (""D"".""Hash"" != ""E"".""Hash"" OR ""D"".""Size"" != ""E"".""Size"") ";
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var drop = @"DROP TABLE IF EXISTS ""{1}"" ";
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using(var cmd = m_connection.CreateCommand())
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{
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cmd.Transaction = m_transaction;
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try
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{
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cmd.ExecuteNonQuery(string.Format(create, m_tablename, cmpName), m_volumename);
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using(var rd = cmd.ExecuteReader(string.Format(extra + " UNION " + missing + " UNION " + modified, m_tablename, cmpName), (int)Library.Interface.TestEntryStatus.Extra, (int)Library.Interface.TestEntryStatus.Missing, (int)Library.Interface.TestEntryStatus.Modified))
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while(rd.Read())
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yield return new KeyValuePair<Duplicati.Library.Interface.TestEntryStatus, string>((Duplicati.Library.Interface.TestEntryStatus)rd.GetInt64(0), rd.GetString(1) );
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}
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finally
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{
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try { cmd.ExecuteNonQuery(string.Format(drop, m_tablename, cmpName)); }
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catch {}
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}
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}
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}
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}
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public interface IBlocklist: IDisposable
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{
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void AddBlock(string key, long value);
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IEnumerable<KeyValuePair<Library.Interface.TestEntryStatus, string>> Compare();
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}
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private class Blocklist : Basiclist, IBlocklist
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{
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private const string TABLE_PREFIX = "Blocklist";
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private const string TABLE_FORMAT = @"(""Hash"" TEXT NOT NULL, ""Size"" INTEGER NOT NULL)";
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private const string INSERT_COMMAND = @"(""Hash"", ""Size"") VALUES (?,?)";
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private const int INSERT_ARGUMENTS = 2;
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public Blocklist(System.Data.IDbConnection connection, string volumename)
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: base(connection, volumename, Blocklist.TABLE_PREFIX, Blocklist.TABLE_FORMAT, Blocklist.INSERT_COMMAND, Blocklist.INSERT_ARGUMENTS)
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{ }
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public void AddBlock(string hash, long size)
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{
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m_insertCommand.SetParameterValue(0, hash);
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m_insertCommand.SetParameterValue(1, size);
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m_insertCommand.ExecuteNonQuery();
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}
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public IEnumerable<KeyValuePair<Duplicati.Library.Interface.TestEntryStatus, string>> Compare()
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{
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var cmpName = "CmpTable-" + Library.Utility.Utility.ByteArrayAsHexString(Guid.NewGuid().ToByteArray());
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var curBlocks = @"SELECT ""Block"".""Hash"" AS ""Hash"", ""Block"".""Size"" AS ""Size"" FROM ""Remotevolume"", ""Block"" WHERE ""Remotevolume"".""Name"" = ? AND ""Remotevolume"".""ID"" = ""Block"".""VolumeID""";
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var delBlocks = @"SELECT ""DeletedBlock"".""Hash"" AS ""Hash"", ""DeletedBlock"".""Size"" AS ""Size"" FROM ""DeletedBlock"", ""RemoteVolume"" WHERE ""RemoteVolume"".""Name"" = ? AND ""RemoteVolume"".""ID"" = ""DeletedBlock"".""VolumeID""";
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var create = @"CREATE TEMPORARY TABLE ""{0}"" AS SELECT DISTINCT ""Hash"" AS ""Hash"", ""Size"" AS ""Size"" FROM ({1} UNION {2})";
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var extra = @"SELECT ? AS ""Type"", ""{0}"".""Hash"" AS ""Hash"" FROM ""{0}"" WHERE ""{0}"".""Hash"" NOT IN ( SELECT ""Hash"" FROM ""{1}"" )";
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var missing = @"SELECT ? AS ""Type"", ""Hash"" AS ""Hash"" FROM ""{1}"" WHERE ""Hash"" NOT IN (SELECT ""Hash"" FROM ""{0}"")";
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var modified = @"SELECT ? AS ""Type"", ""E"".""Hash"" AS ""Hash"" FROM ""{0}"" E, ""{1}"" D WHERE ""D"".""Hash"" = ""E"".""Hash"" AND ""D"".""Size"" != ""E"".""Size"" ";
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var drop = @"DROP TABLE IF EXISTS ""{1}"" ";
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using(var cmd = m_connection.CreateCommand())
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{
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cmd.Transaction = m_transaction;
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try
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{
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cmd.ExecuteNonQuery(string.Format(create, cmpName, curBlocks, delBlocks), m_volumename, m_volumename);
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using(var rd = cmd.ExecuteReader(string.Format(extra + " UNION " + missing + " UNION " + modified, m_tablename, cmpName), (int)Library.Interface.TestEntryStatus.Extra, (int)Library.Interface.TestEntryStatus.Missing, (int)Library.Interface.TestEntryStatus.Modified))
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while(rd.Read())
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yield return new KeyValuePair<Duplicati.Library.Interface.TestEntryStatus, string>((Duplicati.Library.Interface.TestEntryStatus)rd.GetInt64(0), rd.GetString(1) );
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}
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finally
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{
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try { cmd.ExecuteNonQuery(string.Format(drop, m_tablename, cmpName)); }
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catch {}
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}
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}
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}
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}
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public IFilelist CreateFilelist(string name)
|
|
{
|
|
return new Filelist(m_connection, name);
|
|
}
|
|
|
|
public IIndexlist CreateIndexlist(string name)
|
|
{
|
|
return new Indexlist(m_connection, name);
|
|
}
|
|
|
|
public IBlocklist CreateBlocklist(string name)
|
|
{
|
|
return new Blocklist(m_connection, name);
|
|
}
|
|
}
|
|
}
|
|
|