122 lines
4.9 KiB
C#
122 lines
4.9 KiB
C#
// Copyright (C) 2013, The Duplicati Team
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// http://www.duplicati.com, opensource@duplicati.com
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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using System;
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using System.Linq;
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using System.Text;
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using System.Collections.Generic;
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namespace Duplicati.Library.Main.Operation
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{
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internal class DeleteHandler
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{
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private DeleteResults m_result;
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protected string m_backendurl;
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protected Options m_options;
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public DeleteHandler(string backend, Options options, DeleteResults result)
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{
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m_backendurl = backend;
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m_options = options;
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m_result = result;
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}
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public void Run()
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{
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if (!System.IO.File.Exists(m_options.Dbpath))
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throw new Exception(string.Format("Database file does not exist: {0}", m_options.Dbpath));
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using(var db = new Database.LocalDeleteDatabase(m_options.Dbpath, false))
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using(var tr = db.BeginTransaction())
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{
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m_result.SetDatabase(db);
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Utility.VerifyParameters(db, m_options);
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DoRun(db, tr, false, false);
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if (!m_options.Dryrun)
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{
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using(new Logging.Timer("CommitDelete"))
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tr.Commit();
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}
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else
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tr.Rollback();
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}
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}
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public void DoRun(Database.LocalDeleteDatabase db, System.Data.IDbTransaction transaction, bool hasVerifiedBacked, bool forceCompact)
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{
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using(var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, db))
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{
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if (!hasVerifiedBacked && !m_options.NoBackendverification)
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FilelistProcessor.VerifyRemoteList(backend, m_options, db, m_result.BackendWriter);
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var filesetNumbers = db.FilesetTimes.Zip(Enumerable.Range(0, db.FilesetTimes.Count()), (a, b) => new Tuple<long, DateTime>(b, a.Value));
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var toDelete = m_options.GetFilesetsToDelete(db.FilesetTimes.Select(x => x.Value).ToArray());
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if (toDelete != null && toDelete.Length > 0)
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m_result.AddMessage(string.Format("Deleting {0} remote fileset(s) ...", toDelete.Length));
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var count = 0L;
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foreach(var f in db.DropFilesetsFromTable(toDelete, transaction))
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{
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count++;
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if (!m_options.Dryrun)
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backend.Delete(f.Key, f.Value);
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else
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m_result.AddDryrunMessage(string.Format("Would delete remote fileset: {0}", f.Key));
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}
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backend.WaitForComplete(db, transaction);
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if (!m_options.Dryrun)
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{
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if (count == 0)
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m_result.AddMessage("No remote filesets were deleted");
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else
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m_result.AddMessage(string.Format("Deleted {0} remote fileset(s)", count));
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}
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else
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{
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if (count == 0)
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m_result.AddDryrunMessage("No remote filesets would be deleted");
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else
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m_result.AddDryrunMessage(string.Format("{0} remote fileset(s) would be deleted", count));
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if (count > 0 && m_options.Dryrun)
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m_result.AddDryrunMessage("Remove --dry-run to actually delete files");
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}
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if (!m_options.NoAutoCompact && (forceCompact || (toDelete != null && toDelete.Length > 0)))
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{
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m_result.CompactResults = new CompactResults(m_result);
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new CompactHandler(m_backendurl, m_options, (CompactResults)m_result.CompactResults).DoCompact(db, true, transaction);
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}
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m_result.SetResults(
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from n in filesetNumbers
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where toDelete.Contains(n.Item2)
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select n,
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m_options.Dryrun);
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}
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}
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}
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}
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