| private Update ( ulong uploadedBytes ) : void | ||
| uploadedBytes | ulong | Number of uploaded bytes. |
| return | void | |
private void InternalUploadFile(Stream input, string path, SftpUploadAsyncResult asynchResult, Flags flags)
{
if (input == null)
throw new ArgumentNullException("input");
if (path.IsNullOrWhiteSpace())
throw new ArgumentException("path");
// Ensure that connection is established.
this.EnsureConnection();
var fullPath = this._sftpSession.GetCanonicalPath(path);
var handle = this._sftpSession.RequestOpen(fullPath, flags);
ulong offset = 0;
var buffer = new byte[this.BufferSize];
var uploadCompleted = false;
do
{
var bytesRead = input.Read(buffer, 0, buffer.Length);
if (bytesRead < this.BufferSize)
{
var data = new byte[bytesRead];
Buffer.BlockCopy(buffer, 0, data, 0, bytesRead);
using (var wait = new AutoResetEvent(false))
{
this._sftpSession.RequestWrite(handle, offset, data, wait);
}
uploadCompleted = true;
}
else
{
this._sftpSession.RequestWrite(handle, offset, buffer, null);
}
offset += (uint)bytesRead;
// Call callback to report number of bytes read
if (asynchResult != null)
{
asynchResult.Update(offset);
}
} while (!uploadCompleted);
this._sftpSession.RequestClose(handle);
}
/// <summary>
/// Begins an asynchronous uploading the steam into remote file.
/// </summary>
/// <param name="input">Data input stream.</param>
/// <param name="path">Remote file path.</param>
/// <param name="canOverride">if set to <c>true</c> then existing file will be overwritten.</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="uploadCallback">The upload callback.</param>
/// <returns>
/// An <see cref="IAsyncResult" /> that references the asynchronous operation.
/// </returns>
/// <exception cref="ArgumentNullException"><paramref name="input" /> 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 list the contents of the directory 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="input" />, may under certain conditions result in exceptions thrown by the stream.
/// </remarks>
public IAsyncResult BeginUploadFile(Stream input, string path, bool canOverride, AsyncCallback asyncCallback, object state, Action<ulong> uploadCallback = null)
{
CheckDisposed();
if (input == null)
throw new ArgumentNullException("input");
if (path.IsNullOrWhiteSpace())
throw new ArgumentException("path");
var flags = Flags.Write | Flags.Truncate;
if (canOverride)
flags |= Flags.CreateNewOrOpen;
else
flags |= Flags.CreateNew;
var asyncResult = new SftpUploadAsyncResult(asyncCallback, state);
ExecuteThread(() =>
{
try
{
InternalUploadFile(input, path, flags, asyncResult, offset =>
{
asyncResult.Update(offset);
if (uploadCallback != null)
{
uploadCallback(offset);
}
});
asyncResult.SetAsCompleted(null, false);
}
catch (Exception exp)
{
asyncResult.SetAsCompleted(exp, false);
}
});
return asyncResult;
}
