|
public BeginDownloadFile ( string path, Stream output, AsyncCallback asyncCallback, object state, Action |
||
| path | string | The path. |
| output | Stream | The output. |
| asyncCallback | AsyncCallback | The method to be called when the asynchronous write operation is completed. |
| state | object | A user-provided object that distinguishes this particular asynchronous write request from other requests. |
| downloadCallback | Action |
The download callback. |
| return | IAsyncResult | |
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);
ThreadAbstraction.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;
}
| SftpClient::BeginDownloadFile ( string path, Stream output ) : IAsyncResult | |
| SftpClient::BeginDownloadFile ( string path, Stream output, AsyncCallback asyncCallback ) : IAsyncResult |
private void DownloadFilesFromServer()
{
try
{
var filelist = new Dictionary<SftpFile, string>();
var remfold = txtRemoteFolderPath.Text.EndsWith("/") ? txtRemoteFolderPath.Text : txtRemoteFolderPath.Text += "/";
var ssh = new SftpClient(txtHost.Text, int.Parse(txtPort.Text), txtUser.Text, txtPassword.Text);
ssh.Connect();
foreach (var i in lvSSHFileBrowser.SelectedItems.Cast<EXImageListViewItem>().Select(item => item.Tag as SftpFile))
{
if (i.IsRegularFile)
{
filelist.Add(i, Path.Combine(txtLocalBrowserPath.Text, i.Name));
}
if (i.IsDirectory)
{
foreach (var file in GetFilesRecur(ssh, i))
{
var i1 = file.FullName.Replace(remfold, "");
var i2 = i1.Replace('/', '\\');
var i3 = Path.Combine(txtLocalBrowserPath.Text, i2);
filelist.Add(file, i3);
}
}
}
long totalsize = filelist.Sum(pair => pair.Key.Length);
var result = MessageBox.Show(string.Format(Language.SSHTransfer_DownloadFilesFromServer_Download__0__in__1__files_ + "\r\n" + Language.SSHTransfer_DownloadFilesFromServer_Destination_directory__2_, Tools.Misc.LengthToHumanReadable(totalsize), filelist.Count, txtLocalBrowserPath.Text), "Downloading", MessageBoxButtons.YesNoCancel);
if (result!=DialogResult.Yes)
{
EnableButtons();
return;
}
long totaluploaded = 0;
ThreadPool.QueueUserWorkItem(state =>
{
foreach (var file in filelist)
{
if (!Directory.Exists(Path.GetDirectoryName(file.Value)))
{
Tools.Misc.ebfFolderCreate(Path.GetDirectoryName(file.Value));
}
var asynch = ssh.BeginDownloadFile(file.Key.FullName,
new FileStream(file.Value, FileMode.Create));
var sftpAsynch = asynch as SftpDownloadAsyncResult;
while (!sftpAsynch.IsCompleted)
{
SetProgressStatus(totaluploaded + (long)sftpAsynch.DownloadedBytes, totalsize);
}
totaluploaded += file.Key.Length;
ssh.EndDownloadFile(asynch);
}
EnableButtons();
ssh.Disconnect();
MessageBox.Show(Language.SSHTransfer_DownloadFilesFromServer_Download_finished);
});
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
