public void EndInvoke_CompletedWithException()
{
object state = "STATE";
Exception exception = new IOException();
var target = new SftpDownloadAsyncResult(null, state);
target.SetAsCompleted(exception, true);
try
{
target.EndInvoke();
Assert.Fail();
}
catch (IOException ex)
{
Assert.AreSame(exception, ex);
}
}
public void SetAsCompleted_Exception_CompletedSynchronously()
{
var downloadCompleted = new ManualResetEvent(false);
object state = "STATE";
Exception exception = new IOException();
IAsyncResult callbackResult = null;
var target = new SftpDownloadAsyncResult(asyncResult =>
{
downloadCompleted.Set();
callbackResult = asyncResult;
}, state);
target.SetAsCompleted(exception, true);
Assert.AreSame(target, callbackResult);
Assert.IsFalse(target.IsDownloadCanceled);
Assert.IsTrue(target.IsCompleted);
Assert.IsTrue(target.CompletedSynchronously);
Assert.IsTrue(downloadCompleted.WaitOne(TimeSpan.Zero));
}
/// <summary>
/// Begins an asynchronous file downloading into the stream.
/// </summary>
/// <param name="path">The path.</param>
/// <param name="output">The output.</param>
/// <param name="asyncCallback">The method to be called when the asynchronous write operation is completed.</param>
/// <param name="state">A user-provided object that distinguishes this particular asynchronous write request from other requests.</param>
/// <param name="downloadCallback">The download callback.</param>
/// <returns>
/// An <see cref="IAsyncResult" /> that references the asynchronous operation.
/// </returns>
/// <exception cref="ArgumentNullException"><paramref name="output" /> is <b>null</b>.</exception>
/// <exception cref="ArgumentException"><paramref name="path" /> is <b>null</b> or contains whitespace characters.</exception>
/// <exception cref="SshConnectionException">Client is not connected.</exception>
/// <exception cref="SftpPermissionDeniedException">Permission to perform the operation was denied by the remote host. <para>-or-</para> A SSH command was denied by the server.</exception>
/// <exception cref="SshException">A SSH error where <see cref="P:System.Exception.Message" /> is the message from the remote host.</exception>
/// <exception cref="ObjectDisposedException">The method was called after the client was disposed.</exception>
/// <remarks>
/// Method calls made by this method to <paramref name="output" />, may under certain conditions result in exceptions thrown by the stream.
/// </remarks>
public IAsyncResult BeginDownloadFile(string path, Stream output, AsyncCallback asyncCallback, object state, Action<ulong> downloadCallback = null)
{
CheckDisposed();
if (path.IsNullOrWhiteSpace())
throw new ArgumentException("path");
if (output == null)
throw new ArgumentNullException("output");
var asyncResult = new SftpDownloadAsyncResult(asyncCallback, state);
ExecuteThread(() =>
{
try
{
InternalDownloadFile(path, output, asyncResult, offset =>
{
asyncResult.Update(offset);
if (downloadCallback != null)
{
downloadCallback(offset);
}
});
asyncResult.SetAsCompleted(null, false);
}
catch (Exception exp)
{
asyncResult.SetAsCompleted(exp, false);
}
});
return asyncResult;
}
/// <summary>
/// Begins an asynchronous file downloading into the stream.
/// </summary>
/// <param name="path">The path.</param>
/// <param name="output">The output.</param>
/// <param name="handler">The object that handles callbacks for transferred data.</param>
/// <param name="state">A user-provided object that distinguishes this particular asynchronous write request from other requests.</param>
/// <returns>An <see cref="IAsyncResult"/> that references the asynchronous operation.</returns>
/// <exception cref="ArgumentNullException"><paramref name="output"/> is <b>null</b>.</exception>
/// <exception cref="ArgumentException"><paramref name="path"/> is <b>null</b> or contains whitespace characters.</exception>
/// <exception cref="SshConnectionException">Client is not connected.</exception>
/// <exception cref="Renci.SshNet.Common.SftpPermissionDeniedException">Permission to perform the operation was denied by the remote host. <para>-or-</para> A SSH command was denied by the server.</exception>
/// <exception cref="Renci.SshNet.Common.SshException">A SSH error where <see cref="P:SshException.Message"/> is the message from the remote host.</exception>
/// <remarks>Method calls made by this method to <paramref name="output"/>, may under certain conditions result in exceptions thrown by the stream.</remarks>
public IAsyncResult BeginDownloadFile(string path, Stream output, IFileTransferHandler handler, object state)
{
if (path.IsNullOrWhiteSpace())
throw new ArgumentException("path");
if (output == null)
throw new ArgumentNullException("output");
// Ensure that connection is established.
this.EnsureConnection();
AsyncCallback callback;
if (handler != null)
{
callback = (r) => handler.TransferCompleted();
}
else
{
callback = (r) => { };
}
var asyncResult = new SftpDownloadAsyncResult(callback, state);
this.ExecuteThread(() =>
{
try
{
this.InternalDownloadFile(path, output, handler);
asyncResult.SetAsCompleted(null, false);
}
catch (Exception exp)
{
asyncResult.SetAsCompleted(exp, false);
}
});
return asyncResult;
}
/// <summary>
/// Begins an asynchronous file downloading into the stream.
/// </summary>
/// <param name="path">The path.</param>
/// <param name="output">The output.</param>
/// <param name="asyncCallback">The method to be called when the asynchronous write operation is completed.</param>
/// <param name="state">A user-provided object that distinguishes this particular asynchronous write request from other requests.</param>
/// <returns>An <see cref="IAsyncResult"/> that references the asynchronous operation.</returns>
/// <exception cref="ArgumentNullException"><paramref name="output"/> is null.</exception>
/// <exception cref="ArgumentException"><paramref name="path"/> is null or contains whitespace characters.</exception>
/// <exception cref="SshConnectionException">Client is not connected.</exception>
/// <exception cref="Renci.SshNet.Common.SftpPermissionDeniedException">Permission to perform the operation was denied by the remote host -or- a SSH command was denied by the server.</exception>
/// <exception cref="Renci.SshNet.Common.SshException">A SSH error where <see cref="P:SshException.Message"/> is the message from the remote host.</exception>
/// <remarks>Method calls made by this method to <paramref name="output"/>, may under certain conditions result in exceptions thrown by the stream.</remarks>
public IAsyncResult BeginDownloadFile(string path, Stream output, AsyncCallback asyncCallback, object state)
{
if (path.IsNullOrWhiteSpace())
throw new ArgumentException("path");
if (output == null)
throw new ArgumentNullException("output");
// Ensure that connection is established.
this.EnsureConnection();
var asyncResult = new SftpDownloadAsyncResult(asyncCallback, state);
this.ExecuteThread(() =>
{
try
{
this.InternalDownloadFile(path, output, asyncResult);
asyncResult.SetAsCompleted(null, false);
}
catch (Exception exp)
{
asyncResult.SetAsCompleted(exp, false);
}
});
return asyncResult;
}
