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// Copyright (C) 2011, Kenneth Skovhede
// http://www.hexad.dk, opensource@hexad.dk
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
using System;
using System.Linq;
using System.Collections.Generic;
namespace Duplicati.Library.Main.Operation
{
internal class ListControlFilesHandler
{
private Options m_options;
private string m_backendurl;
private ListResults m_result;
public ListControlFilesHandler(string backendurl, Options options, ListResults result)
{
m_options = options;
m_backendurl = backendurl;
m_result = result;
}
public void Run(IEnumerable<string> filterstrings = null, Library.Utility.IFilter compositefilter = null)
{
using (var tmpdb = new Library.Utility.TempFile())
using (var db = new Database.LocalDatabase(System.IO.File.Exists(m_options.Dbpath) ? m_options.Dbpath : (string)tmpdb, "ListControlFiles"))
using (var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, db))
{
m_result.SetDatabase(db);
var filter = Library.Utility.JoinedFilterExpression.Join(new Library.Utility.FilterExpression(filterstrings), compositefilter);
try
{
var filteredList = ListFilesHandler.ParseAndFilterFilesets(backend.List(), m_options);
if (filteredList.Count == 0)
throw new Exception("No filesets found on remote target");
Exception lastEx = new Exception("No suitable files found on remote target");
foreach(var fileversion in filteredList)
try
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
return;
var file = fileversion.Value.File;
long size;
string hash;
RemoteVolumeType type;
RemoteVolumeState state;
if (!db.GetRemoteVolume(file.Name, out hash, out size, out type, out state))
size = file.Size;
var files = new List<Library.Interface.IListResultFile>();
using (var tmpfile = backend.Get(file.Name, size, hash))
using (var tmp = new Volumes.FilesetVolumeReader(RestoreHandler.GetCompressionModule(file.Name), tmpfile, m_options))
foreach (var cf in tmp.ControlFiles)
if (Library.Utility.FilterExpression.Matches(filter, cf.Key))
files.Add(new ListResultFile(cf.Key, null));
m_result.SetResult(new Library.Interface.IListResultFileset[] { new ListResultFileset(fileversion.Key, fileversion.Value.Time, -1, -1) }, files);
lastEx = null;
break;
}
catch(Exception ex)
{
lastEx = ex;
if (ex is System.Threading.ThreadAbortException)
throw;
}
if (lastEx != null)
throw lastEx;
}
finally
{
backend.WaitForComplete(db, null);
}
}
} }
}
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