/// <summary>
///
/// </summary>
/// <param name="source"></param>
/// <param name="destination"></param>
/// <param name="userToken"></param>
public void DownloadFileAsync(string source, FileStream destination, object userToken)
{
if (destination.CanWrite)
{
var _resource = new Uri(string.Format("{0}/{1}", Host, source));
var _length = GetContentLength(_resource);
var _request = CreateRequest(_resource, WebRequestMethods.Ftp.DownloadFile);
var _context = new ExternalActionContext(_request, true, BUFFER_SIZE, destination, userToken, _length);
_context.BeginGetResponse(x => AsyncGetResponseCallback(x));
}
}
/// <summary>
///
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
long GetContentLength(Uri source)
{
var _request = CreateRequest(source, WebRequestMethods.Ftp.GetFileSize);
using (var _context = new ExternalActionContext(_request, false, BUFFER_SIZE, false))
{
_context.BeginGetResponse(x => AsyncGetResponseCallback(x));
_waitHandle.WaitOne();
_waitHandle.Reset();
return(_context.ContentLength);
}
}
/// <summary>
///
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public bool ExistDirectory(string path)
{
var _resource = new Uri(string.Format("{0}/{1}", Host, path));
var _request = CreateRequest(_resource, WebRequestMethods.Ftp.ListDirectory);
using (var _context = new ExternalActionContext(_request, false, BUFFER_SIZE, false))
{
_context.BeginGetResponse(x => AsyncGetResponseCallback(x));
_waitHandle.WaitOne();
_waitHandle.Reset();
return(!(_context.Result as FtpResult).ErrorCode.Equals(FtpStatusCode.ActionNotTakenFileUnavailable));
}
}
/// <summary>
///
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public IExternalResult CreateDirectory(string path)
{
var _resource = new Uri(string.Format("{0}/{1}", Host, path));
var _request = CreateRequest(_resource, WebRequestMethods.Ftp.MakeDirectory);
using (var _context = new ExternalActionContext(_request, false, BUFFER_SIZE, false))
{
_context.BeginGetResponse(x => AsyncGetResponseCallback(x));
_waitHandle.WaitOne();
_waitHandle.Reset();
return(_context.Result);
}
}
/// <summary>
///
/// </summary>
/// <param name="source"></param>
/// <param name="destination"></param>
/// <returns></returns>
public IExternalResult DownloadFile(string source, FileStream destination)
{
if (destination.CanWrite)
{
var _resource = new Uri(string.Format("{0}/{1}", Host, source));
var _length = GetContentLength(_resource);
var _request = CreateRequest(_resource, WebRequestMethods.Ftp.DownloadFile);
using (var _context = new ExternalActionContext(_request, false, BUFFER_SIZE, destination, null, _length))
{
_context.BeginGetResponse(x => AsyncGetResponseCallback(x));
_waitHandle.WaitOne();
_waitHandle.Reset();
return(_context.Result);
}
}
return(new FtpResult());
}
