public string Cleanup()
{
CommunicationStatistics stats = new CommunicationStatistics(XervBackupOperationMode.CleanUp);
SetupCommonOptions(stats);
bool anyRemoved = false;
StringBuilder sb = new StringBuilder();
using (BackendWrapper backend = new BackendWrapper(stats, m_backend, m_options))
{
List<ManifestEntry> sorted = backend.GetBackupSets();
List<ManifestEntry> entries = new List<ManifestEntry>();
entries.AddRange(sorted);
foreach (ManifestEntry be in sorted)
entries.AddRange(be.Incrementals);
string cleanup = backend.DeleteOrphans(false);
if (!string.IsNullOrEmpty(cleanup))
sb.AppendLine(cleanup);
if (m_options.SkipFileHashChecks)
throw new Exception(Strings.Interface.CannotCleanWithoutHashesError);
if (m_options.DontReadManifests)
throw new Exception(Strings.Interface.CannotCleanWithoutHashesError);
//We need the manifests anyway, so we verify the chain
if (entries.Count > 0)
VerifyManifestChain(backend, entries[0]);
//Now compare the actual filelist with the manifest
foreach (ManifestEntry be in entries)
{
Manifestfile manifest = GetManifest(backend, be);
int count = manifest.ContentHashes.Count;
for (int i = count - 1; i < be.Volumes.Count; i++)
{
anyRemoved = true;
string sigmsg = string.Format(Strings.Interface.RemovingPartialFilesMessage, be.Volumes[i].Key.Filename);
string cntmsg = string.Format(Strings.Interface.RemovingPartialFilesMessage, be.Volumes[i].Value.Filename);
Logging.Log.WriteMessage(sigmsg, XervBackup.Library.Logging.LogMessageType.Information);
Logging.Log.WriteMessage(cntmsg, XervBackup.Library.Logging.LogMessageType.Information);
sb.AppendLine(sigmsg);
sb.AppendLine(cntmsg);
if (m_options.Force)
{
backend.Delete(be.Volumes[i].Key);
backend.Delete(be.Volumes[i].Value);
}
}
}
}
if (!m_options.Force && anyRemoved)
{
Logging.Log.WriteMessage(Strings.Interface.FilesAreNotForceDeletedMessage, XervBackup.Library.Logging.LogMessageType.Information);
sb.AppendLine(Strings.Interface.FilesAreNotForceDeletedMessage);
}
return sb.ToString(); //TODO: Write a message here?
}
private string RemoveBackupSets(BackendWrapper backend, List<ManifestEntry> entries)
{
StringBuilder sb = new StringBuilder();
sb.Append(backend.FinishDeleteTransaction(false));
if (entries.Count > 0)
{
System.Xml.XmlDocument doc = new System.Xml.XmlDocument();
System.Xml.XmlNode root = doc.AppendChild(doc.CreateElement("files"));
root.Attributes.Append(doc.CreateAttribute("version")).Value = "1";
foreach (ManifestEntry me in entries)
{
if (me.Alternate != null)
root.AppendChild(doc.CreateElement("file")).InnerText = me.Alternate.Filename;
root.AppendChild(doc.CreateElement("file")).InnerText = me.Filename;
if (me.Verification != null)
root.AppendChild(doc.CreateElement("file")).InnerText = me.Verification.Filename;
foreach (KeyValuePair<SignatureEntry, ContentEntry> kx in me.Volumes)
{
root.AppendChild(doc.CreateElement("file")).InnerText = kx.Key.Filename;
root.AppendChild(doc.CreateElement("file")).InnerText = kx.Value.Filename;
}
}
if (m_options.Force)
{
using (TempFile tf = new TempFile())
{
doc.Save(tf);
tf.Protected = true;
backend.WriteDeleteTransactionFile(tf);
}
}
foreach (ManifestEntry me in entries)
{
sb.AppendLine(string.Format(Strings.Interface.DeletingBackupSetMessage, me.Time.ToString(System.Globalization.CultureInfo.InvariantCulture)));
if (m_options.Force)
{
//Delete manifest
if (me.Alternate != null)
backend.Delete(me.Alternate);
backend.Delete(me);
if (me.Verification != null)
backend.Delete(me.Verification);
foreach (KeyValuePair<SignatureEntry, ContentEntry> kx in me.Volumes)
{
backend.Delete(kx.Key);
backend.Delete(kx.Value);
}
}
}
if (m_options.Force)
backend.RemoveDeleteTransactionFile();
if (!m_options.Force && entries.Count > 0)
sb.AppendLine(Strings.Interface.FilesAreNotForceDeletedMessage);
}
return sb.ToString();
}
