public override async Task DownloadAsync(TransferSpec spec) {
spec.Progress.Tries++;
ConfirmSchemeSupported(spec.Uri.Scheme);
using (var webClient = _webClientFactory.CreateExport())
using (SetupTransferProgress(webClient.Value, spec.Progress))
await TryDownloadAsync(spec, webClient.Value, GetTmpFile(spec)).ConfigureAwait(false);
}
public override void Download(TransferSpec spec) {
spec.Progress.Tries++;
ConfirmSchemeSupported(spec.Uri.Scheme);
spec.Progress.ResetZsyncLoopInfo();
ProcessExitResult(_zsyncLauncher.RunAndProcess(spec.Progress,
new Uri(FixUrl(spec.Uri)), spec.LocalFile.ToString(), spec.CancellationToken), spec);
VerifyIfNeeded(spec, spec.LocalFile);
}
public override async Task UploadAsync(TransferSpec spec) {
spec.Progress.Tries++;
ConfirmSchemeSupported(spec.Uri.Scheme);
ProcessExitResult(
await
_rsyncLauncher.RunAndProcessAsync(spec.Progress, spec.LocalFile.ToString(), spec.Uri.ToString())
.ConfigureAwait(false), spec);
}
static void ProcessExitResult(ProcessExitResultWithOutput result, TransferSpec spec) {
if (result.ExitCode == 0)
return;
throw new RsyncException(
String.Format("Did not exit gracefully (PID: {0}, Status: {1}). {2}", result.Id, result.ExitCode,
CreateTransferExceptionMessage(spec)),
result.StandardOutput + result.StandardError, result.StartInfo.Arguments);
}
static void ProcessExitResult(ProcessExitResultWithOutput result, TransferSpec spec) {
switch (result.ExitCode) {
case 0:
break;
case -1:
throw new RsyncSoftException(
String.Format("Aborted/Killed (PID: {0}, Status: {1}). {2}", result.Id, result.ExitCode,
CreateTransferExceptionMessage(spec)),
result.StandardOutput + result.StandardError, result.StartInfo.Arguments);
case 5:
throw new RsyncSoftException(
String.Format("Server full (PID: {0}, Status: {1}). {2}", result.Id, result.ExitCode,
CreateTransferExceptionMessage(spec)),
result.StandardOutput + result.StandardError, result.StartInfo.Arguments);
case 10:
throw new RsyncSoftException(
String.Format("Connection refused (PID: {0}, Status: {1}). {2}", result.Id, result.ExitCode,
CreateTransferExceptionMessage(spec)),
result.StandardOutput + result.StandardError,
result.StartInfo.Arguments);
case 12:
throw new RsyncSoftException(
String.Format("Could not retrieve file (PID: {0}, Status: {1}). {2}", result.Id, result.ExitCode,
CreateTransferExceptionMessage(spec)),
result.StandardOutput + result.StandardError, result.StartInfo.Arguments);
case 14:
throw new RsyncSoftException(
String.Format("Could not retrieve file due to IPC error (PID: {0}, Status: {1}). {2}", result.Id,
result.ExitCode, CreateTransferExceptionMessage(spec)),
result.StandardOutput + result.StandardError, result.StartInfo.Arguments);
case 23:
throw new RsyncSoftException(
String.Format("Could not retrieve file (PID: {0}, Status: {1}). {2}", result.Id, result.ExitCode,
CreateTransferExceptionMessage(spec)),
result.StandardOutput + result.StandardError, result.StartInfo.Arguments);
case 24:
throw new RsyncSoftException(
String.Format("Could not retrieve file (PID: {0}, Status: {1}). {2}", result.Id, result.ExitCode,
CreateTransferExceptionMessage(spec)),
result.StandardOutput + result.StandardError, result.StartInfo.Arguments);
case 30:
throw new RsyncSoftException(
String.Format("Could not retrieve file due to Timeout (PID: {0}, Status: {1}). {2}", result.Id,
result.ExitCode, CreateTransferExceptionMessage(spec)),
result.StandardOutput + result.StandardError, result.StartInfo.Arguments);
case 35:
throw new RsyncSoftException(
String.Format("Could not retrieve file due to Timeout (PID: {0}, Status: {1}). {2}", result.Id,
result.ExitCode, CreateTransferExceptionMessage(spec)),
result.StandardOutput + result.StandardError, result.StartInfo.Arguments);
default:
throw new RsyncException(
String.Format("Did not exit gracefully (PID: {0}, Status: {1}). {2}", result.Id, result.ExitCode,
CreateTransferExceptionMessage(spec)),
result.StandardOutput + result.StandardError, result.StartInfo.Arguments);
}
}
public override async Task DownloadAsync(TransferSpec spec, Action<int, double, int> progressReporting) {
spec.Progress.Tries++;
ConfirmSchemeSupported(spec.Uri.Scheme);
var obs = new Subject<ITransferStatus2>();
var act =
new Action<int, double, int>(
(bytesReceived, progress, speed) => obs.OnNext(new TransferStatus2(progress, bytesReceived, speed)));
//DoDownload(spec).ToObservable().Catch((ex, e2) => obs.OnError(ex));
}
protected void Wrap(Action action, TransferSpec spec) {
OnStart(spec);
try {
action();
} catch (Exception e) {
OnError(spec, e);
throw;
}
OnFinished(spec);
}
protected async Task Wrap(Func<Task> task, TransferSpec spec) {
OnStart(spec);
try {
await task().ConfigureAwait(false);
} catch (Exception e) {
OnError(spec, e);
throw;
}
OnFinished(spec);
}
public override async Task DownloadAsync(TransferSpec spec) {
spec.Progress.Tries++;
ConfirmSchemeSupported(spec.Uri.Scheme);
ProcessExitResult(
await
_rsyncLauncher.RunAndProcessAsync(spec.Progress, spec.Uri.ToString(), spec.LocalFile.ToString(),
spec.CancellationToken)
.ConfigureAwait(false), spec);
VerifyIfNeeded(spec, spec.LocalFile);
}
static void ProcessExitResult(ProcessExitResultWithOutput result, TransferSpec spec) {
if (spec.Progress.ZsyncIncompatible) {
throw new ZsyncIncompatibleException(
String.Format("Zsync Incompatible (PID: {0}, Status: {1}). {2}", result.Id, result.ExitCode,
CreateTransferExceptionMessage(spec)),
result.StandardOutput + result.StandardError,
result.StartInfo.Arguments);
}
switch (result.ExitCode) {
case 0:
break;
case -1: {
if (spec.Progress.ZsyncLoopCount >= 2) {
throw new ZsyncLoopDetectedException(
String.Format("Loop detected, aborted transfer (PID: {0}, Status: {1}). {2}", result.Id,
result.ExitCode, CreateTransferExceptionMessage(spec)),
result.StandardOutput + result.StandardError,
result.StartInfo.Arguments);
}
throw new ZsyncSoftException(
String.Format("Aborted/Killed (PID: {0}, Status: {1}). {2}", result.Id, result.ExitCode,
CreateTransferExceptionMessage(spec)),
result.StandardOutput + result.StandardError,
result.StartInfo.Arguments);
}
case 1:
throw new ZsyncSoftException(
String.Format(
"Could not retrieve file due to protocol error (not a zsync file?) (PID: {0}, Status: {1}). {2}",
result.Id, result.ExitCode, CreateTransferExceptionMessage(spec)),
result.StandardOutput + result.StandardError, result.StartInfo.Arguments);
case 2:
throw new ZsyncSoftException(
String.Format("Connection reset (PID: {0}, Status: {1}). {2}", result.Id, result.ExitCode,
CreateTransferExceptionMessage(spec)),
result.StandardOutput + result.StandardError, result.StartInfo.Arguments);
case 3:
throw new ZsyncSoftException(
String.Format("Could not retrieve file (PID: {0}, Status: {1}). {2}", result.Id, result.ExitCode,
CreateTransferExceptionMessage(spec)),
result.StandardOutput + result.StandardError, result.StartInfo.Arguments);
default:
throw new ZsyncException(
String.Format("Did not exit gracefully (PID: {0}, Status: {1}). {2}", result.Id, result.ExitCode,
CreateTransferExceptionMessage(spec)),
result.StandardOutput + result.StandardError, result.StartInfo.Arguments);
}
}
static void GenerateDownloadException(TransferSpec spec, WebException e) {
// TODO: Or should we rather abstract this away into the downloader exceptions instead?
var r = e.Response as HttpWebResponse;
if (r != null) {
throw new HttpDownloadException(e.Message + ". " + CreateTransferExceptionMessage(spec), e) {
StatusCode = r.StatusCode
};
}
var r2 = e.Response as FtpWebResponse;
if (r2 != null) {
throw new FtpDownloadException(e.Message + ". " + CreateTransferExceptionMessage(spec), e) {
StatusCode = r2.StatusCode
};
}
throw new DownloadException(e.Message + ". " + CreateTransferExceptionMessage(spec), e);
}
static async Task TryUploadAsync(TransferSpec spec, IWebClient webClient) {
try {
if (!string.IsNullOrWhiteSpace(spec.Uri.UserInfo))
webClient.SetAuthInfo(spec.Uri);
using (webClient.HandleCancellationToken(spec))
await webClient.UploadFileTaskAsync(spec.Uri, spec.LocalFile.ToString()).ConfigureAwait(false);
} catch (OperationCanceledException e) {
throw CreateTimeoutException(spec, e);
} catch (WebException e) {
var cancelledEx = e.InnerException as OperationCanceledException;
if (cancelledEx != null)
throw CreateTimeoutException(spec, cancelledEx);
if (e.Status == WebExceptionStatus.RequestCanceled)
throw CreateTimeoutException(spec, e);
GenerateUploadException(spec, e);
}
}
async Task TryDownloadAsync(TransferSpec spec, IWebClient webClient, IAbsoluteFilePath tmpFile) {
try {
tmpFile.RemoveReadonlyWhenExists();
if (!string.IsNullOrWhiteSpace(spec.Uri.UserInfo))
webClient.SetAuthInfo(spec.Uri);
using (webClient.HandleCancellationToken(spec))
await webClient.DownloadFileTaskAsync(spec.Uri, tmpFile.ToString()).ConfigureAwait(false);
VerifyIfNeeded(spec, tmpFile);
_fileOps.Move(tmpFile, spec.LocalFile);
} catch (OperationCanceledException e) {
_fileOps.DeleteIfExists(tmpFile.ToString());
throw CreateTimeoutException(spec, e);
} catch (WebException e) {
_fileOps.DeleteIfExists(tmpFile.ToString());
var cancelledEx = e.InnerException as OperationCanceledException;
if (cancelledEx != null)
throw CreateTimeoutException(spec, cancelledEx);
if (e.Status == WebExceptionStatus.RequestCanceled)
throw CreateTimeoutException(spec, e);
GenerateDownloadException(spec, e);
}
}
protected abstract void OnFinished(TransferSpec spec);
static IAbsoluteFilePath GetPathFromUri(TransferSpec spec) {
return spec.Uri.LocalPath.ToAbsoluteFilePath();
// spec.Uri.IsAbsoluteUri ? spec.Uri.AbsolutePath : spec.Uri.ToString();
}
public override Task UploadAsync(TransferSpec spec) {
spec.Progress.Tries++;
ConfirmSchemeSupported(spec.Uri.Scheme);
return
_fileCopy.CopyFileAsync(spec.LocalFile, GetPathFromUri(spec));
}
public override void Upload(TransferSpec spec) {
spec.Progress.Tries++;
ConfirmSchemeSupported(spec.Uri.Scheme);
_fileCopy.CopyFile(spec.LocalFile, GetPathFromUri(spec));
}
protected override void OnError(TransferSpec spec, Exception e) {
this.Logger().Error("Failed upload of {0} to {1} ({2})", spec.LocalFile, spec.Uri, e.Message);
}
protected override void OnFinished(TransferSpec spec) {
this.Logger().Info("Finished upload of {0} to {1}", spec.LocalFile, spec.Uri);
}
public override async Task DownloadAsync(TransferSpec spec) {
spec.Progress.Tries++;
ConfirmSchemeSupported(spec.Uri.Scheme);
await _fileCopy.CopyFileAsync(GetPathFromUri(spec), spec.LocalFile).ConfigureAwait(false);
VerifyIfNeeded(spec, spec.LocalFile);
}
static DownloadException CreateTimeoutException(TransferSpec spec, Exception e) {
return new DownloadSoftException("", null, null, new TimeoutException(
String.Format("The operation timedout in {0}. {1}", timeout, CreateTransferExceptionMessage(spec)), e));
}
protected abstract void OnStart(TransferSpec spec);
static IAbsoluteFilePath GetTmpFile(TransferSpec spec) {
return (spec.LocalFile + ".sixtmp").ToAbsoluteFilePath();
}
public override void Download(TransferSpec spec) {
spec.Progress.Tries++;
// Wrapping in Task.Run could solve deadlock issues
Task.Run(() => DownloadAsync(spec)).WaitAndUnwrapException();
}
protected static string CreateTransferExceptionMessage(TransferSpec spec) {
return String.Format("After {0}% ({1}B) for {2}", spec.Progress.Progress,
spec.Progress.FileSizeTransfered, spec.Uri.AuthlessUri());
}
public abstract void Upload(TransferSpec spec);
public override void Upload(TransferSpec spec) {
spec.Progress.Tries++;
ConfirmSchemeSupported(spec.Uri.Scheme);
ProcessExitResult(
_rsyncLauncher.RunAndProcess(spec.Progress, spec.LocalFile.ToString(), spec.Uri.ToString()), spec);
}
protected abstract void OnError(TransferSpec spec, Exception exception);
public abstract Task UploadAsync(TransferSpec spec);
public override void Download(TransferSpec spec) {
spec.Progress.Tries++;
ConfirmSchemeSupported(spec.Uri.Scheme);
_fileCopy.CopyFile(GetPathFromUri(spec), spec.LocalFile);
VerifyIfNeeded(spec, spec.LocalFile);
}
