public BackendManager(string backendurl, Options options, IBackendWriter statwriter, LocalDatabase database)
{
m_options = options;
m_backendurl = backendurl;
m_statwriter = statwriter;
m_taskControl = statwriter as BasicResults;
m_db = new DatabaseCollector(database, statwriter);
m_backend = DynamicLoader.BackendLoader.GetBackend(m_backendurl, m_options.RawOptions);
if (m_backend == null)
throw new Exception(string.Format("Backend not supported: {0}", m_backendurl));
if (!m_options.NoEncryption)
{
m_encryption = DynamicLoader.EncryptionLoader.GetModule(m_options.EncryptionModule, m_options.Passphrase, m_options.RawOptions);
if (m_encryption == null)
throw new Exception(string.Format("Encryption method not supported: ", m_options.EncryptionModule));
}
if (m_taskControl != null)
m_taskControl.StateChangedEvent += (state) => {
if (state == TaskControlState.Abort)
m_thread.Abort();
};
m_queue = new BlockingQueue<FileEntryItem>(options.SynchronousUpload ? 1 : (options.AsynchronousUploadLimit == 0 ? int.MaxValue : options.AsynchronousUploadLimit));
m_thread = new System.Threading.Thread(this.ThreadRun);
m_thread.Name = "Backend Async Worker";
m_thread.IsBackground = true;
m_thread.Start();
}
public RawContainer(IWizardControl nextpage, Library.Interface.IBackend backend, IDictionary <string, string> settings)
: base(nextpage, backend.SupportedCommands, settings, "backend:" + backend.ProtocolKey, backend.DisplayName, backend.Description)
{
InitializeComponent();
m_backend = backend;
ProtocolKey.Text = m_backend.ProtocolKey + "://";
}
public RawContainer(IWizardControl nextpage, Library.Interface.IBackend backend, IDictionary<string, string> settings)
: base(nextpage, backend.SupportedCommands, settings, "backend:" + backend.ProtocolKey, backend.DisplayName, backend.Description)
{
InitializeComponent();
m_backend = backend;
ProtocolKey.Text = m_backend.ProtocolKey + "://";
}
private void Item_CheckChanged(object sender, EventArgs e)
{
Library.Interface.IBackend selectedBackend = null;
foreach (RadioButton button in BackendList.Controls)
{
if (button.Checked && button.Tag is Library.Interface.IBackend)
{
selectedBackend = button.Tag as Library.Interface.IBackend;
}
}
m_owner.NextButton.Enabled = selectedBackend != null;
}
protected virtual string SetupBackend(Dictionary <string, string> environment, Dictionary <string, string> options)
{
Library.Interface.IBackend selectedBackend = null;
foreach (Library.Interface.IBackend b in Library.DynamicLoader.BackendLoader.Backends)
{
if (b.ProtocolKey == this.Task.Service)
{
selectedBackend = b;
break;
}
}
if (selectedBackend == null)
{
throw new Exception("Missing backend");
}
string destination;
if (selectedBackend is Library.Interface.IBackendGUI)
{
//Simply invoke the backends setup function
destination = ((Library.Interface.IBackendGUI)selectedBackend).GetConfiguration(environment, this.Task.BackendSettingsLookup, options);
}
else
{
//We store destination with the key "Destination" and other options with the -- prefix
if (!options.ContainsKey(Duplicati.GUI.Wizard_pages.GridContainer.DESTINATION_EXTENSION_KEY))
{
throw new Exception("Invalid configuration");
}
destination = options[Duplicati.GUI.Wizard_pages.GridContainer.DESTINATION_EXTENSION_KEY];
foreach (KeyValuePair <string, string> k in this.Task.BackendSettingsLookup)
{
if (k.Key.StartsWith("--")) //All options are prefixed with this
{
options[k.Key.Substring(2)] = k.Value;
}
}
}
return(destination);
}
static bool Run(List <string> args, Dictionary <string, string> options, bool first)
{
Library.Interface.IBackend backend = Library.DynamicLoader.BackendLoader.GetBackend(args[0], options);
if (backend == null)
{
Console.WriteLine("Unsupported backend");
Console.WriteLine();
Console.WriteLine("Supported backends: " + string.Join(",", Duplicati.Library.DynamicLoader.BackendLoader.Keys));
return(false);
}
string allowedChars = ValidFilenameChars;
if (options.ContainsKey("extended-chars"))
{
allowedChars += String.IsNullOrEmpty(options["extended-chars"]) ? ExtendedChars : options["extended-chars"];
}
bool autoCreateFolders = Library.Utility.Utility.ParseBoolOption(options, "auto-create-folder");
string disabledModulesValue;
string enabledModulesValue;
options.TryGetValue("enable-module", out enabledModulesValue);
options.TryGetValue("disable-module", out disabledModulesValue);
string[] enabledModules = enabledModulesValue == null ? new string[0] : enabledModulesValue.Trim().ToLower(CultureInfo.InvariantCulture).Split(',');
string[] disabledModules = disabledModulesValue == null ? new string[0] : disabledModulesValue.Trim().ToLower(CultureInfo.InvariantCulture).Split(',');
List <Library.Interface.IGenericModule> loadedModules = new List <IGenericModule>();
foreach (Library.Interface.IGenericModule m in Library.DynamicLoader.GenericLoader.Modules)
{
if (!disabledModules.Contains(m.Key, StringComparer.OrdinalIgnoreCase) && (m.LoadAsDefault || enabledModules.Contains(m.Key, StringComparer.OrdinalIgnoreCase)))
{
m.Configure(options);
loadedModules.Add(m);
}
}
try
{
IEnumerable <Library.Interface.IFileEntry> curlist = null;
try
{
backend.Test();
curlist = backend.List();
}
catch (FolderMissingException)
{
if (autoCreateFolders)
{
try
{
backend.CreateFolder();
curlist = backend.List();
}
catch (Exception ex)
{
Console.WriteLine("Autocreate folder failed with message: " + ex.Message);
}
}
if (curlist == null)
{
throw;
}
}
foreach (Library.Interface.IFileEntry fe in curlist)
{
if (!fe.IsFolder)
{
if (Library.Utility.Utility.ParseBoolOption(options, "auto-clean") && first)
{
if (Library.Utility.Utility.ParseBoolOption(options, "force"))
{
Console.WriteLine("Auto clean, removing file: {0}", fe.Name);
backend.Delete(fe.Name);
continue;
}
else
{
Console.WriteLine("Specify the --force flag to actually delete files");
}
}
Console.WriteLine("*** Remote folder is not empty, aborting");
return(false);
}
}
int number_of_files = 10;
int min_file_size = 1024;
int max_file_size = 1024 * 1024 * 50;
int min_filename_size = 5;
int max_filename_size = 80;
bool disableStreaming = Library.Utility.Utility.ParseBoolOption(options, "disable-streaming-transfers");
bool skipOverwriteTest = Library.Utility.Utility.ParseBoolOption(options, "skip-overwrite-test");
bool trimFilenameSpaces = Library.Utility.Utility.ParseBoolOption(options, "trim-filename-spaces");
if (options.ContainsKey("number-of-files"))
{
number_of_files = int.Parse(options["number-of-files"]);
}
if (options.ContainsKey("min-file-size"))
{
min_file_size = (int)Duplicati.Library.Utility.Sizeparser.ParseSize(options["min-file-size"], "mb");
}
if (options.ContainsKey("max-file-size"))
{
max_file_size = (int)Duplicati.Library.Utility.Sizeparser.ParseSize(options["max-file-size"], "mb");
}
if (options.ContainsKey("min-filename-length"))
{
min_filename_size = int.Parse(options["min-filename-length"]);
}
if (options.ContainsKey("max-filename-length"))
{
max_filename_size = int.Parse(options["max-filename-length"]);
}
Random rnd = new Random();
System.Security.Cryptography.SHA256 sha = System.Security.Cryptography.SHA256.Create();
//Create random files
using (Library.Utility.TempFolder tf = new Duplicati.Library.Utility.TempFolder())
{
List <TempFile> files = new List <TempFile>();
for (int i = 0; i < number_of_files; i++)
{
string filename = CreateRandomRemoteFileName(min_filename_size, max_filename_size, allowedChars, trimFilenameSpaces, rnd);
string localfilename = CreateRandomFile(tf, i, min_file_size, max_file_size, rnd);
//Calculate local hash and length
using (System.IO.FileStream fs = new System.IO.FileStream(localfilename, System.IO.FileMode.Open, System.IO.FileAccess.Read))
files.Add(new TempFile(filename, localfilename, sha.ComputeHash(fs), fs.Length));
}
byte[] dummyFileHash = null;
if (!skipOverwriteTest)
{
Console.WriteLine("Uploading wrong files ...");
using (Library.Utility.TempFile dummy = Library.Utility.TempFile.WrapExistingFile(CreateRandomFile(tf, files.Count, 1024, 2048, rnd)))
{
using (System.IO.FileStream fs = new System.IO.FileStream(dummy, System.IO.FileMode.Open, System.IO.FileAccess.Read))
dummyFileHash = sha.ComputeHash(fs);
//Upload a dummy file for entry 0 and the last one, they will be replaced by the real files afterwards
//We upload entry 0 twice just to try to freak any internal cache list
Uploadfile(dummy, 0, files[0].remotefilename, backend, disableStreaming);
Uploadfile(dummy, 0, files[0].remotefilename, backend, disableStreaming);
Uploadfile(dummy, files.Count - 1, files[files.Count - 1].remotefilename, backend, disableStreaming);
}
}
Console.WriteLine("Uploading files ...");
for (int i = 0; i < files.Count; i++)
{
Uploadfile(files[i].localfilename, i, files[i].remotefilename, backend, disableStreaming);
}
TempFile originalRenamedFile = null;
string renamedFileNewName = null;
IRenameEnabledBackend renameEnabledBackend = backend as IRenameEnabledBackend;
if (renameEnabledBackend != null)
{
// Rename the second file in the list, if there are more than one. If not, just do the first one.
int renameIndex = files.Count > 1 ? 1 : 0;
originalRenamedFile = files[renameIndex];
renamedFileNewName = CreateRandomRemoteFileName(min_filename_size, max_filename_size, allowedChars, trimFilenameSpaces, rnd);
Console.WriteLine("Renaming file {0} from {1} to {2}", renameIndex, originalRenamedFile.remotefilename, renamedFileNewName);
renameEnabledBackend.Rename(originalRenamedFile.remotefilename, renamedFileNewName);
files[renameIndex] = new TempFile(renamedFileNewName, originalRenamedFile.localfilename, originalRenamedFile.hash, originalRenamedFile.length);
}
Console.WriteLine("Verifying file list ...");
curlist = backend.List();
foreach (Library.Interface.IFileEntry fe in curlist)
{
if (!fe.IsFolder)
{
bool found = false;
foreach (TempFile tx in files)
{
if (tx.remotefilename == fe.Name)
{
if (tx.found)
{
Console.WriteLine("*** File with name {0} was found more than once", tx.remotefilename);
}
found = true;
tx.found = true;
if (fe.Size > 0 && tx.length != fe.Size)
{
Console.WriteLine("*** File with name {0} has size {1} but the size was reported as {2}", tx.remotefilename, tx.length, fe.Size);
}
break;
}
}
if (!found)
{
if (originalRenamedFile != null && renamedFileNewName != null && originalRenamedFile.remotefilename == fe.Name)
{
Console.WriteLine("*** File with name {0} was found on server but was supposed to have been renamed to {1}!", fe.Name, renamedFileNewName);
}
else
{
Console.WriteLine("*** File with name {0} was found on server but not uploaded!", fe.Name);
}
}
}
}
foreach (TempFile tx in files)
{
if (!tx.found)
{
Console.WriteLine("*** File with name {0} was uploaded but not found afterwards", tx.remotefilename);
}
}
Console.WriteLine("Downloading files");
for (int i = 0; i < files.Count; i++)
{
using (Duplicati.Library.Utility.TempFile cf = new Duplicati.Library.Utility.TempFile())
{
Exception e = null;
Console.Write("Downloading file {0} ... ", i);
try
{
if (backend is IStreamingBackend streamingBackend && !disableStreaming)
{
using (System.IO.FileStream fs = new System.IO.FileStream(cf, System.IO.FileMode.Create, System.IO.FileAccess.Write, System.IO.FileShare.None))
using (NonSeekableStream nss = new NonSeekableStream(fs))
streamingBackend.Get(files[i].remotefilename, nss);
}
else
{
backend.Get(files[i].remotefilename, cf);
}
e = null;
}
catch (Exception ex)
{
e = ex;
}
if (e != null)
{
Console.WriteLine("failed\n*** Error: {0}", e);
}
else
{
Console.WriteLine("done");
}
Console.Write("Checking hash ... ");
using (System.IO.FileStream fs = new System.IO.FileStream(cf, System.IO.FileMode.Open, System.IO.FileAccess.Read))
if (Convert.ToBase64String(sha.ComputeHash(fs)) != Convert.ToBase64String(files[i].hash))
{
if (dummyFileHash != null && Convert.ToBase64String(sha.ComputeHash(fs)) == Convert.ToBase64String(dummyFileHash))
{
Console.WriteLine("failed\n*** Downloaded file was the dummy file");
}
else
{
Console.WriteLine("failed\n*** Downloaded file was corrupt");
}
}
else
{
Console.WriteLine("done");
}
}
static bool Run(List <string> args, Dictionary <string, string> options, bool first)
{
string allowedChars = ValidFilenameChars;
if (options.ContainsKey("extended-chars"))
{
allowedChars += options["extended-chars"];
}
else
{
allowedChars += ExtendedChars;
}
bool autoCreateFolders = Library.Utility.Utility.ParseBoolOption(options, "auto-create-folder");
Library.Interface.IBackend backend = Library.DynamicLoader.BackendLoader.GetBackend(args[0], options);
if (backend == null)
{
Console.WriteLine("Unsupported backend");
Console.WriteLine();
Console.WriteLine("Supported backends: " + string.Join(",", Duplicati.Library.DynamicLoader.BackendLoader.Keys));
return(false);
}
string disabledModulesValue;
string enabledModulesValue;
options.TryGetValue("enable-module", out enabledModulesValue);
options.TryGetValue("disable-module", out disabledModulesValue);
string[] enabledModules = enabledModulesValue == null ? new string[0] : enabledModulesValue.Trim().ToLower().Split(',');
string[] disabledModules = disabledModulesValue == null ? new string[0] : disabledModulesValue.Trim().ToLower().Split(',');
List <Library.Interface.IGenericModule> loadedModules = new List <IGenericModule>();
foreach (Library.Interface.IGenericModule m in Library.DynamicLoader.GenericLoader.Modules)
{
if (Array.IndexOf <string>(disabledModules, m.Key.ToLower()) < 0 && (m.LoadAsDefault || Array.IndexOf <string>(enabledModules, m.Key.ToLower()) >= 0))
{
m.Configure(options);
loadedModules.Add(m);
}
}
try
{
List <Library.Interface.IFileEntry> curlist = null;
try
{
curlist = backend.List();
}
catch (FolderMissingException fex)
{
if (autoCreateFolders)
{
try
{
if (backend is IBackend_v2)
{
((IBackend_v2)backend).CreateFolder();
}
curlist = backend.List();
}
catch (Exception ex)
{
Console.WriteLine("Autocreate folder failed with message: " + ex.Message);
}
}
if (curlist == null)
{
throw fex;
}
}
foreach (Library.Interface.IFileEntry fe in curlist)
{
if (!fe.IsFolder)
{
if (Library.Utility.Utility.ParseBoolOption(options, "auto-clean") && first)
{
if (Library.Utility.Utility.ParseBoolOption(options, "force"))
{
Console.WriteLine("Auto clean, removing file: {0}", fe.Name);
backend.Delete(fe.Name);
continue;
}
else
{
Console.WriteLine("Specify the --force flag to actually delete files");
}
}
Console.WriteLine("*** Remote folder is not empty, aborting");
return(false);
}
}
int number_of_files = 10;
int min_file_size = 1024;
int max_file_size = 1024 * 1024 * 50;
int min_filename_size = 5;
int max_filename_size = 80;
bool disableStreaming = Library.Utility.Utility.ParseBoolOption(options, "disable-streaming-transfers");
bool skipOverwriteTest = Library.Utility.Utility.ParseBoolOption(options, "skip-overwrite-test");
if (options.ContainsKey("number-of-files"))
{
number_of_files = int.Parse(options["number-of-files"]);
}
if (options.ContainsKey("min-file-size"))
{
min_file_size = (int)Duplicati.Library.Utility.Sizeparser.ParseSize(options["min-file-size"], "mb");
}
if (options.ContainsKey("max-file-size"))
{
max_file_size = (int)Duplicati.Library.Utility.Sizeparser.ParseSize(options["max-file-size"]);
}
if (options.ContainsKey("min-filename-length"))
{
min_filename_size = int.Parse(options["min-filename-length"]);
}
if (options.ContainsKey("max-filename-length"))
{
max_filename_size = int.Parse(options["max-filename-length"]);
}
Random rnd = new Random();
System.Security.Cryptography.SHA256 sha = System.Security.Cryptography.SHA256.Create();
//Create random files
using (Library.Utility.TempFolder tf = new Duplicati.Library.Utility.TempFolder())
{
List <TempFile> files = new List <TempFile>();
for (int i = 0; i < number_of_files; i++)
{
StringBuilder filename = new StringBuilder();
int filenamelen = rnd.Next(min_filename_size, max_filename_size);
for (int j = 0; j < filenamelen; j++)
{
filename.Append(allowedChars[rnd.Next(0, allowedChars.Length)]);
}
string localfilename = CreateRandomFile(tf, i, min_file_size, max_file_size, rnd);
//Calculate local hash and length
using (System.IO.FileStream fs = new System.IO.FileStream(localfilename, System.IO.FileMode.Open, System.IO.FileAccess.Read))
files.Add(new TempFile(filename.ToString(), localfilename, sha.ComputeHash(fs), fs.Length));
}
byte[] dummyFileHash = null;
if (!skipOverwriteTest)
{
Console.WriteLine("Uploading wrong files ...");
using (Library.Utility.TempFile dummy = new Library.Utility.TempFile(CreateRandomFile(tf, files.Count, 1024, 2048, rnd)))
{
using (System.IO.FileStream fs = new System.IO.FileStream(dummy, System.IO.FileMode.Open, System.IO.FileAccess.Read))
dummyFileHash = sha.ComputeHash(fs);
//Upload a dummy file for entry 0 and the last one, they will be replaced by the real files afterwards
//We upload entry 0 twice just to try to freak any internal cache list
Uploadfile(dummy, 0, files[0].remotefilename, backend, disableStreaming);
Uploadfile(dummy, 0, files[0].remotefilename, backend, disableStreaming);
Uploadfile(dummy, files.Count - 1, files[files.Count - 1].remotefilename, backend, disableStreaming);
}
}
Console.WriteLine("Uploading files ...");
for (int i = 0; i < files.Count; i++)
{
Uploadfile(files[i].localfilename, i, files[i].remotefilename, backend, disableStreaming);
}
Console.WriteLine("Verifying file list ...");
curlist = backend.List();
foreach (Library.Interface.IFileEntry fe in curlist)
{
if (!fe.IsFolder)
{
bool found = false;
foreach (TempFile tx in files)
{
if (tx.remotefilename == fe.Name)
{
if (tx.found)
{
Console.WriteLine("*** File with name {0} was found more than once", tx.remotefilename);
}
found = true;
tx.found = true;
if (fe.Size > 0 && tx.length != fe.Size)
{
Console.WriteLine("*** File with name {0} has size {1} but the size was reported as {2}", tx.remotefilename, tx.length, fe.Size);
}
break;
}
}
if (!found)
{
Console.WriteLine("*** File with name {0} was found on server but not uploaded!", fe.Name);
}
}
}
foreach (TempFile tx in files)
{
if (!tx.found)
{
Console.WriteLine("*** File with name {0} was uploaded but not found afterwards", tx.remotefilename);
}
}
Console.WriteLine("Downloading files");
for (int i = 0; i < files.Count; i++)
{
using (Duplicati.Library.Utility.TempFile cf = new Duplicati.Library.Utility.TempFile())
{
Exception e = null;
Console.Write("Downloading file {0} ... ", i);
try
{
if (backend is Library.Interface.IStreamingBackend && !disableStreaming)
{
using (System.IO.FileStream fs = new System.IO.FileStream(cf, System.IO.FileMode.Create, System.IO.FileAccess.Write, System.IO.FileShare.None))
using (NonSeekableStream nss = new NonSeekableStream(fs))
(backend as Library.Interface.IStreamingBackend).Get(files[i].remotefilename, nss);
}
else
{
backend.Get(files[i].remotefilename, cf);
}
e = null;
}
catch (Exception ex)
{
e = ex;
}
if (e != null)
{
Console.WriteLine("failed\n*** Error: {0}", e.ToString());
}
else
{
Console.WriteLine("done");
}
Console.Write("Checking hash ... ");
using (System.IO.FileStream fs = new System.IO.FileStream(cf, System.IO.FileMode.Open, System.IO.FileAccess.Read))
if (Convert.ToBase64String(sha.ComputeHash(fs)) != Convert.ToBase64String(files[i].hash))
{
if (dummyFileHash != null && Convert.ToBase64String(sha.ComputeHash(fs)) == Convert.ToBase64String(dummyFileHash))
{
Console.WriteLine("failed\n*** Downloaded file was the dummy file");
}
else
{
Console.WriteLine("failed\n*** Downloaded file was corrupt");
}
}
else
{
Console.WriteLine("done");
}
}
}
Console.WriteLine("Deleting files...");
foreach (TempFile tx in files)
{
try { backend.Delete(tx.remotefilename); }
catch (Exception ex)
{
Console.WriteLine("*** Failed to delete file {0}, message: {1}", tx.remotefilename, ex.ToString());
}
}
curlist = backend.List();
foreach (Library.Interface.IFileEntry fe in curlist)
{
if (!fe.IsFolder)
{
Console.WriteLine("*** Remote folder contains {0} after cleanup", fe.Name);
}
}
}
}
finally
{
foreach (Library.Interface.IGenericModule m in loadedModules)
{
if (m is IDisposable)
{
((IDisposable)m).Dispose();
}
}
}
return(true);
}
void SelectBackend_PageLeave(object sender, PageChangedArgs args)
{
if (args.Direction == PageChangedDirection.Back)
{
return;
}
Library.Interface.IBackend selectedBackend = null;
foreach (RadioButton button in BackendList.Controls)
{
if (button.Checked && button.Tag is Library.Interface.IBackend)
{
selectedBackend = button.Tag as Library.Interface.IBackend;
}
}
if (selectedBackend == null)
{
MessageBox.Show(this, Strings.SelectBackend.NoActionSelected, Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Information);
args.Cancel = true;
return;
}
//If the user chooses another backend, we need to clear the settings,
// so items like the tested flag are not set
if (m_wrapper.Backend != selectedBackend.ProtocolKey)
{
m_wrapper.BackendSettings.Clear();
}
m_wrapper.Backend = selectedBackend.ProtocolKey;
if (m_wrapper.PrimayAction == WizardSettingsWrapper.MainAction.Restore)
{
if (m_wrapper.ShowAdvancedRestoreOptions)
{
args.NextPage = new Add_backup.SettingOverrides();
}
else
{
args.NextPage = new Restore.SelectBackupVersion();
}
}
else if (m_wrapper.PrimayAction == WizardSettingsWrapper.MainAction.RestoreSetup)
{
if (m_wrapper.ShowAdvancedRestoreOptions)
{
args.NextPage = new Add_backup.SettingOverrides();
}
else
{
args.NextPage = new RestoreSetup.FinishedRestoreSetup();
}
}
else
{
args.NextPage = new Add_backup.AdvancedOptions();
}
//Create the appropriate GUI for the backend settings
if (selectedBackend is Library.Interface.IBackendGUI)
{
args.NextPage = new GUIContainer(args.NextPage, selectedBackend as Library.Interface.IGUIControl);
}
else
{
args.NextPage = new Backends.RawContainer(args.NextPage, selectedBackend, m_wrapper.BackendSettings);
}
}
private void ThreadRun()
{
var uploadSuccess = false;
while (!m_queue.Completed)
{
var item = m_queue.Dequeue();
if (item != null)
{
int retries = 0;
Exception lastException = null;
do
{
try
{
if (m_taskControl != null)
m_taskControl.TaskControlRendevouz();
if (m_options.NoConnectionReuse && m_backend != null)
{
m_backend.Dispose();
m_backend = null;
}
if (m_backend == null)
m_backend = DynamicLoader.BackendLoader.GetBackend(m_backendurl, m_options.RawOptions);
if (m_backend == null)
throw new Exception("Backend failed to re-load");
using(new Logging.Timer(string.Format("RemoteOperation{0}", item.Operation)))
switch (item.Operation)
{
case OperationType.Put:
DoPut(item);
// We do not auto create folders,
// because we know the folder exists
uploadSuccess = true;
break;
case OperationType.Get:
DoGet(item);
break;
case OperationType.List:
DoList(item);
break;
case OperationType.Delete:
DoDelete(item);
break;
case OperationType.CreateFolder:
DoCreateFolder(item);
break;
case OperationType.Terminate:
m_queue.SetCompleted();
break;
}
lastException = null;
retries = m_options.NumberOfRetries;
}
catch (Exception ex)
{
retries++;
lastException = ex;
m_statwriter.AddRetryAttempt(string.Format("Operation {0} with file {1} attempt {2} of {3} failed with message: {4}", item.Operation, item.RemoteFilename, retries, m_options.NumberOfRetries, ex.Message), ex);
// If the thread is aborted, we exit here
if (ex is System.Threading.ThreadAbortException)
{
m_queue.SetCompleted();
item.Exception = ex;
item.SignalComplete();
throw;
}
m_statwriter.SendEvent(item.BackendActionType, retries < m_options.NumberOfRetries ? BackendEventType.Retrying : BackendEventType.Failed, item.RemoteFilename, item.Size);
bool recovered = false;
if (!uploadSuccess && ex is Duplicati.Library.Interface.FolderMissingException && m_options.AutocreateFolders)
{
try
{
// If we successfully create the folder, we can re-use the connection
m_backend.CreateFolder();
recovered = true;
}
catch(Exception dex)
{
m_statwriter.AddWarning(string.Format("Failed to create folder: {0}", ex.Message), dex);
}
}
// To work around the Apache WEBDAV issue, we rename the file here
if (item.Operation == OperationType.Put && retries < m_options.NumberOfRetries && !item.NotTrackedInDb)
RenameFileAfterError(item);
if (!recovered)
{
try { m_backend.Dispose(); }
catch(Exception dex) { m_statwriter.AddWarning(string.Format("Failed to dispose backend instance: {0}", ex.Message), dex); }
m_backend = null;
if (retries < m_options.NumberOfRetries && m_options.RetryDelay.Ticks != 0)
System.Threading.Thread.Sleep(m_options.RetryDelay);
}
}
} while (retries < m_options.NumberOfRetries);
if (lastException != null)
{
item.Exception = lastException;
if (item.Operation == OperationType.Put)
item.DeleteLocalFile(m_statwriter);
if (item.ExceptionKillsHandler)
{
m_lastException = lastException;
//TODO: If there are temp files in the queue, we must delete them
m_queue.SetCompleted();
}
}
item.SignalComplete();
}
}
//Make sure everything in the queue is signalled
FileEntryItem i;
while ((i = m_queue.Dequeue()) != null)
i.SignalComplete();
}
public void Dispose()
{
if (m_queue != null && !m_queue.Completed)
m_queue.SetCompleted();
if (m_thread != null)
{
if (!m_thread.Join(TimeSpan.FromSeconds(10)))
{
m_thread.Abort();
m_thread.Join(TimeSpan.FromSeconds(10));
}
m_thread = null;
}
//TODO: We cannot null this, because it will be recreated
//Should we wait for queue completion or abort immediately?
if (m_backend != null)
{
m_backend.Dispose();
m_backend = null;
}
try { m_db.FlushDbMessages(true); }
catch (Exception ex) { m_statwriter.AddError(string.Format("Backend Shutdown error: {0}", ex.Message), ex); }
}
