public virtual long SizeOverhead(long filesize)
{
using (Utility.TempFile t1 = new XervBackup.Library.Utility.TempFile())
using (Utility.TempFile t2 = new XervBackup.Library.Utility.TempFile())
{
using (System.IO.Stream s1 = System.IO.File.Create(t1))
{
long bytesleft = filesize;
byte[] buf = new byte[1024];
Random rnd = new Random();
while (bytesleft > 0)
{
rnd.NextBytes(buf);
s1.Write(buf, 0, (int)Math.Min(buf.Length, bytesleft));
bytesleft -= buf.Length;
}
}
Encrypt(t1, t2);
return Math.Max(0, new System.IO.FileInfo(t2).Length - filesize);
}
}
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(",", XervBackup.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)XervBackup.Library.Utility.Sizeparser.ParseSize(options["min-file-size"], "mb");
if (options.ContainsKey("max-file-size"))
max_file_size = (int)XervBackup.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 XervBackup.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 (XervBackup.Library.Utility.TempFile cf = new XervBackup.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;
}
private void Put(BackupEntryBase remote, string filename, bool forcesync)
{
if (!remote.IsEncrypted && !m_options.NoEncryption && remote as VerificationEntry == null)
{
if (m_encryption == null)
m_encryption = DynamicLoader.EncryptionLoader.GetModule(m_options.EncryptionModule, m_options.Passphrase, m_options.RawOptions);
using (Utility.TempFile raw = new XervBackup.Library.Utility.TempFile(filename))
using (Utility.TempFile enc = new XervBackup.Library.Utility.TempFile())
{
m_encryption.Encrypt(raw, enc);
filename = enc;
enc.Protected = true;
raw.Protected = false;
}
remote.IsEncrypted = true;
}
remote.RemoteHash = Utility.Utility.CalculateHash(filename);
remote.Filename = GenerateFilename(remote);
remote.Filesize = new System.IO.FileInfo(filename).Length;
if (!m_async)
PutInternal(remote, filename);
else
{
if (forcesync)
{
int count;
lock (m_queuelock)
count = m_pendingOperations.Count;
while (count > 0)
{
m_asyncItemProcessed.WaitOne(1000 * 5, false);
lock (m_queuelock)
count = m_pendingOperations.Count;
}
PutInternal(remote, filename);
}
else
{
bool waitForCompletion;
//There are 3 files in a volume (signature, content and manifest) + a verification file
int uploads_in_set = m_options.CreateVerificationFile ? 4 : 3;
lock (m_queuelock)
{
if (m_workerException != null)
throw m_workerException;
m_pendingOperations.Enqueue(new KeyValuePair<BackupEntryBase, string>(remote, filename));
m_asyncItemReady.Set();
waitForCompletion = m_options.AsynchronousUploadLimit > 0 && m_pendingOperations.Count > (m_options.AsynchronousUploadLimit * uploads_in_set);
}
while (waitForCompletion)
{
m_asyncItemProcessed.WaitOne(1000 * 5, false);
lock (m_queuelock)
{
if (m_workerException != null)
throw m_workerException;
waitForCompletion = m_options.AsynchronousUploadLimit > 0 && m_pendingOperations.Count > (m_options.AsynchronousUploadLimit * uploads_in_set);
}
}
}
}
}
public static void CompileResxFiles(string folder, List<string> excludeFolders, string @namespace, string assemblyname, string versionAssembly, string keyfile, string culture, string productname)
{
string resgenexe;
string alexe;
if (XervBackup.Library.Utility.Utility.IsClientLinux)
{
resgenexe = ExecuteAndRead("which", "resgen");
alexe = ExecuteAndRead("which", "al");
}
else //Windows
{
//Order of these paths is also the search order
string[] known_sdk_paths =
{
Environment.ExpandEnvironmentVariables("%WINDIR%\\Microsoft.Net\\Framework\\v4.0\\"),
Environment.ExpandEnvironmentVariables("%WINDIR%\\Microsoft.Net\\Framework\\v4.0.30319\\"),
Environment.ExpandEnvironmentVariables("%WINDIR%\\Microsoft.Net\\Framework\\v3.5\\"),
Environment.ExpandEnvironmentVariables("%WINDIR%\\Microsoft.Net\\Framework\\v3.0\\"),
Environment.ExpandEnvironmentVariables("%WINDIR%\\Microsoft.Net\\Framework\\v2.0.50727\\"),
Environment.ExpandEnvironmentVariables("%PROGRAMFILES%\\Microsoft SDKs\\Windows\\v8.0A\\bin\\"),
Environment.ExpandEnvironmentVariables("%PROGRAMFILES%\\Microsoft SDKs\\Windows\\v7.1\\Bin\\NETFX 4.0 Tools\\"),
Environment.ExpandEnvironmentVariables("%PROGRAMFILES%\\Microsoft SDKs\\Windows\\v7.0A\\bin\\"),
Environment.ExpandEnvironmentVariables("%PROGRAMFILES%\\Microsoft SDKs\\Windows\\v6.0A\\bin\\"),
Environment.ExpandEnvironmentVariables("%PROGRAMFILES%\\Microsoft.NET\\SDK\\v2.0\\bin\\"),
Environment.ExpandEnvironmentVariables("%PROGRAMFILES(X86)%\\Microsoft SDKs\\Windows\\v8.0A\\bin\\"),
Environment.ExpandEnvironmentVariables("%PROGRAMFILES(X86)%\\Microsoft SDKs\\Windows\\v7.1\\Bin\\NETFX 4.0 Tools\\"),
Environment.ExpandEnvironmentVariables("%PROGRAMFILES(X86)%\\Microsoft SDKs\\Windows\\v7.0A\\bin\\"),
Environment.ExpandEnvironmentVariables("%PROGRAMFILES(X86)%\\Microsoft SDKs\\Windows\\v6.0A\\bin\\"),
Environment.ExpandEnvironmentVariables("%PROGRAMFILES(X86)%\\Microsoft.NET\\SDK\\v2.0\\bin\\"),
};
resgenexe = "resgen.exe";
alexe = "al.exe";
foreach(var p in known_sdk_paths)
if (System.IO.File.Exists(System.IO.Path.Combine(p, resgenexe)))
{
resgenexe = System.IO.Path.Combine(p, resgenexe);
break;
}
foreach (var p in known_sdk_paths)
if (System.IO.File.Exists(System.IO.Path.Combine(p, alexe)))
{
alexe = System.IO.Path.Combine(p, alexe);
break;
}
}
if (!System.IO.File.Exists(resgenexe))
{
Console.WriteLine("Unable to locate file: {0}", resgenexe);
Console.WriteLine("This can be fixed by installing a microsoft platform SDK, or visual studio (express is fine)");
return;
}
if (!System.IO.File.Exists(alexe))
{
Console.WriteLine("Unable to locate file: {0}", alexe);
Console.WriteLine("This can be fixed by installing the .Net framework version 2.0");
return;
}
if (!string.IsNullOrEmpty(keyfile) && XervBackup.Library.Utility.Utility.IsClientLinux)
keyfile = keyfile.Replace("\\", System.IO.Path.DirectorySeparatorChar.ToString());
List<string> resources = new List<string>();
folder = XervBackup.Library.Utility.Utility.AppendDirSeparator(folder);
foreach (string s in XervBackup.Library.Utility.Utility.EnumerateFiles(folder))
{
if (s.ToLower().EndsWith("." + culture.ToLower() + ".resx"))
{
if (excludeFolders.Any(xf => s.ToLower().StartsWith(XervBackup.Library.Utility.Utility.AppendDirSeparator(xf).ToLower())))
continue;
string resname = System.IO.Path.ChangeExtension(s, ".resources");
if (!System.IO.File.Exists(resname) || System.IO.File.GetLastWriteTime(resname) < System.IO.File.GetLastWriteTime(s))
{
Console.WriteLine("Compiling: " + s);
System.Diagnostics.ProcessStartInfo pi = new System.Diagnostics.ProcessStartInfo(resgenexe, "\"" + s + "\"");
pi.CreateNoWindow = true;
pi.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
pi.RedirectStandardOutput = true;
pi.RedirectStandardError = true;
pi.UseShellExecute = false;
pi.WorkingDirectory = System.IO.Path.GetDirectoryName(s);
System.Diagnostics.Process pr = System.Diagnostics.Process.Start(pi);
pr.WaitForExit();
if (pr.ExitCode != 0)
{
Console.WriteLine("Error");
Console.WriteLine(pr.StandardOutput.ReadToEnd());
Console.WriteLine(pr.StandardError.ReadToEnd());
throw new Exception("Resgen failure: " + s);
}
}
else
Console.WriteLine("Not modified: " + s);
resources.Add(resname);
}
}
if (resources.Count == 0)
return;
if (!System.IO.File.Exists(versionAssembly) && XervBackup.Library.Utility.Utility.IsClientLinux)
versionAssembly = versionAssembly.Replace("\\", System.IO.Path.DirectorySeparatorChar.ToString());
if (!System.IO.File.Exists(versionAssembly))
{
Console.WriteLine("Unable to locate file: {0}", versionAssembly);
Console.WriteLine("This can be fixed by compiling the application or modifying the file configuration.xml");
return;
}
using (XervBackup.Library.Utility.TempFile tf = new XervBackup.Library.Utility.TempFile())
{
using (System.IO.StreamWriter sw = new System.IO.StreamWriter(tf))
{
System.Reflection.Assembly asm = System.Reflection.Assembly.ReflectionOnlyLoadFrom(versionAssembly);
sw.WriteLine("/t:lib");
sw.WriteLine("/out:\"" + assemblyname + "\"");
sw.WriteLine("/product:\"" + productname + "\"");
sw.WriteLine("/title:\"" + productname + "\"");
sw.WriteLine("/version:" + asm.GetName().Version.ToString());
if (!string.IsNullOrEmpty(keyfile))
sw.WriteLine("/keyfile:\"" + keyfile + "\"");
sw.WriteLine("/culture:" + culture);
foreach (string s in resources)
{
string resname = s.Substring(folder.Length);
resname = resname.Replace("\\", ".");
resname = resname.Replace(" ", "_");
resname = @namespace + "." + resname;
sw.WriteLine("/embed:\"" + s + "\"," + resname);
}
}
Console.WriteLine("Linking ...");
System.Diagnostics.ProcessStartInfo pi = new System.Diagnostics.ProcessStartInfo(alexe, "@\"" + tf + "\"");
pi.CreateNoWindow = true;
pi.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
System.Diagnostics.Process pr = System.Diagnostics.Process.Start(pi);
pr.WaitForExit();
if (pr.ExitCode != 0)
throw new Exception("Linker failure");
}
}
private void GetInternal(BackupEntryBase remote, Manifestfile manifest, string filename, Manifestfile.HashEntry hash)
{
int retries = m_options.NumberOfRetries;
Exception lastEx = null;
m_statusmessage = string.Format(Strings.BackendWrapper.StatusMessageDownloading, remote.Filename);
do
{
try
{
if (manifest != null && !string.IsNullOrEmpty(m_options.SignatureCachePath) && hash != null && remote is SignatureEntry)
{
string cachefilename = FindCacheEntry(remote as SignatureEntry);
if (cachefilename != null && System.IO.File.Exists(cachefilename))
{
if ((hash.Size < 0 || new System.IO.FileInfo(cachefilename).Length == hash.Size) && Utility.Utility.CalculateHash(cachefilename) == hash.Hash)
{
if (manifest.Version > 2 && !string.IsNullOrEmpty(remote.EncryptionMode))
{
try
{
using (Library.Interface.IEncryption enc = DynamicLoader.EncryptionLoader.GetModule(remote.EncryptionMode, m_options.Passphrase, m_options.RawOptions))
enc.Decrypt(cachefilename, filename);
return;
}
catch (Exception ex)
{
m_statistics.LogWarning(string.Format(Strings.BackendWrapper.CachedSignatureDecryptWarning, cachefilename, ex.Message), null);
try { System.IO.File.Delete(cachefilename); }
catch { }
}
}
else
{
//TODO: Don't copy, but just return it as write protected
System.IO.File.Copy(cachefilename, filename, true);
return;
}
}
else
{
m_statistics.LogWarning(string.Format(Strings.BackendWrapper.CachedSignatureHashMismatchWarning, cachefilename), null);
try { System.IO.File.Delete(cachefilename); }
catch { }
}
}
}
Utility.TempFile tempfile = null;
try
{
if (!string.IsNullOrEmpty(remote.EncryptionMode))
tempfile = new XervBackup.Library.Utility.TempFile();
else
tempfile = new XervBackup.Library.Utility.TempFile(filename);
ResetBackend();
m_statistics.AddNumberOfRemoteCalls(1);
if (m_backend is XervBackup.Library.Interface.IStreamingBackend && !m_options.DisableStreamingTransfers)
{
using (System.IO.FileStream fs = System.IO.File.Open(tempfile, System.IO.FileMode.Create, System.IO.FileAccess.Write, System.IO.FileShare.None))
using (Utility.ProgressReportingStream pgs = new XervBackup.Library.Utility.ProgressReportingStream(fs, remote.Fileentry.Size))
using (Utility.ThrottledStream ts = new XervBackup.Library.Utility.ThrottledStream(pgs, m_options.MaxUploadPrSecond, m_options.MaxDownloadPrSecond))
{
pgs.Progress += new XervBackup.Library.Utility.ProgressReportingStream.ProgressDelegate(pgs_Progress);
ts.Callback += new XervBackup.Library.Utility.ThrottledStream.ThrottledStreamCallback(ThrottledStream_Callback);
((XervBackup.Library.Interface.IStreamingBackend)m_backend).Get(remote.Filename, ts);
}
}
else
{
if (!m_async && ProgressEvent != null)
ProgressEvent(50, m_statusmessage);
m_backend.Get(remote.Filename, tempfile);
if (!m_async && ProgressEvent != null)
ProgressEvent(100, m_statusmessage);
}
//This is required so we are sure that the file was downloaded completely and not partially,
// as any exception here will cause a retry, but using a partial file may cause random errors
if (remote.Fileentry.Size > 0 && remote.Fileentry.Size != new System.IO.FileInfo(tempfile).Length)
throw new Exception(string.Format(Strings.BackendWrapper.DownloadedFileSizeError, remote.Filename, remote.Fileentry.Size, new System.IO.FileInfo(tempfile).Length));
remote.RemoteHash = Utility.Utility.CalculateHash(tempfile);
//Manifest version 3 has hashes WITH encryption
if (manifest != null && manifest.Version > 2)
{
if (hash != null && remote.RemoteHash != hash.Hash)
throw new HashMismathcException(string.Format(Strings.BackendWrapper.HashMismatchError, remote.Filename, hash.Hash, Utility.Utility.CalculateHash(tempfile)));
if (!string.IsNullOrEmpty(m_options.SignatureCachePath) && remote is SignatureEntry)
{
string cachefilename = System.IO.Path.Combine(m_options.SignatureCachePath, m_cachefilenamestrategy.GenerateFilename(remote));
try { System.IO.File.Copy(tempfile, cachefilename, true); }
catch (Exception ex) { m_statistics.LogWarning(string.Format(Strings.BackendWrapper.SaveCacheFileError, cachefilename), ex); }
}
}
if (!string.IsNullOrEmpty(remote.EncryptionMode))
{
try
{
using (Library.Interface.IEncryption enc = DynamicLoader.EncryptionLoader.GetModule(remote.EncryptionMode, m_options.Passphrase, m_options.RawOptions))
enc.Decrypt(tempfile, filename);
}
catch (Exception ex)
{
//If we fail here, make sure that we throw a crypto exception
if (ex is System.Security.Cryptography.CryptographicException)
throw;
else
throw new System.Security.Cryptography.CryptographicException(ex.Message, ex);
}
tempfile.Dispose(); //Remove the encrypted file
//Wrap the new file as a temp file
tempfile = new XervBackup.Library.Utility.TempFile(filename);
}
//Manifest version 1+2 has hashes WITHOUT encryption
if (manifest != null && manifest.Version <= 2)
{
if (hash != null && Utility.Utility.CalculateHash(tempfile) != hash.Hash)
throw new HashMismathcException(string.Format(Strings.BackendWrapper.HashMismatchError, remote.Filename, hash.Hash, Utility.Utility.CalculateHash(tempfile)));
if (!string.IsNullOrEmpty(m_options.SignatureCachePath) && remote is SignatureEntry)
{
string cachefilename = System.IO.Path.Combine(m_options.SignatureCachePath, m_cachefilenamestrategy.GenerateFilename(remote));
try { System.IO.File.Copy(tempfile, cachefilename, true); }
catch (Exception ex) { m_statistics.LogWarning(string.Format(Strings.BackendWrapper.SaveCacheFileError, cachefilename), ex); }
}
}
lastEx = null;
tempfile.Protected = true; //Don't delete it
if (m_backendInterfaceLogger != null)
{
if (remote is ManifestEntry)
m_backendInterfaceLogger.RegisterGet(remote.Fileentry, true, System.IO.File.ReadAllText(tempfile));
else
m_backendInterfaceLogger.RegisterGet(remote.Fileentry, true, null);
}
}
finally
{
try
{
if (tempfile != null)
tempfile.Dispose();
}
catch
{
}
}
}
catch (System.Threading.ThreadAbortException tex)
{
if (m_backendInterfaceLogger != null)
m_backendInterfaceLogger.RegisterGet(remote.Fileentry, false, tex.ToString());
throw;
}
catch (Exception ex)
{
lastEx = ex;
m_statistics.LogRetryAttempt(ex.Message, ex);
if (m_backendInterfaceLogger != null)
m_backendInterfaceLogger.RegisterGet(remote.Fileentry, false, ex.ToString());
DisposeBackend();
retries--;
if (retries > 0 && m_options.RetryDelay.Ticks > 0)
System.Threading.Thread.Sleep(m_options.RetryDelay);
}
} while (lastEx != null && retries > 0);
if (lastEx != null)
if (lastEx is HashMismathcException)
throw lastEx;
else if (lastEx is System.Security.Cryptography.CryptographicException)
throw lastEx;
else
throw new Exception(string.Format(Strings.BackendWrapper.FileDownloadError2, filename, lastEx.Message), lastEx);
m_statistics.AddBytesDownloaded(new System.IO.FileInfo(filename).Length);
}
