/// <summary>
///
/// </summary>
/// <param name="source"></param>
/// <param name="destination"></param>
/// <returns></returns>
public IExternalResult UploadFile(FileInfo source, string destination)
{
using (var _source = source.OpenRead())
{
if (_source.CanRead)
{
var _resource = new Uri(string.Format("{0}/{1}", Host, destination));
var _request = CreateRequest(_resource, WebRequestMethods.Ftp.UploadFile);
using (var _context = new ExternalActionContext(_request, false, BUFFER_SIZE, false, _source))
{
_context.BeginGetRequestStream(x => AsyncGetRequestStreamCallback(x));
_waitHandle.WaitOne();
_waitHandle.Reset();
return(_context.Result);
}
}
_source.Dispose();
}
return(new FtpResult());
}
/// <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>
/// <param name="destination"></param>
/// <param name="userToken"></param>
public void UploadFileAsync(FileInfo source, string destination, object userToken)
{
var _fileStream = source.OpenRead();
if (_fileStream.CanRead)
{
var _resource = new Uri(string.Format("{0}/{1}", Host, destination));
var _request = CreateRequest(_resource, WebRequestMethods.Ftp.UploadFile);
var _context = new ExternalActionContext(_request, true, BUFFER_SIZE, false, _fileStream, userToken);
_context.BeginGetRequestStream(x => AsyncGetRequestStreamCallback(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="context"></param>
/// <param name="ex"></param>
void HandleThrownException(ExternalActionContext context, Exception ex)
{
context.Result = FtpResult.Parse(ex);
if (null != context)
{
context.Dispose();
}
if (null != _waitHandle)
{
_waitHandle.Set();
}
RaiseActionFailedEvent(context);
}
/// <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());
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
void RaiseActionProgressChangedEvent(ExternalActionContext context)
{
if (context.IsAsync)
{
if (WebRequestMethods.Ftp.UploadFile.Equals(context.Method))
{
if (null != UploadProgressChanged)
{
var _args = new ExternalUploadProgressChangedEventArgs(context);
UploadProgressChanged(this, _args);
}
}
else if (WebRequestMethods.Ftp.DownloadFile.Equals(context.Method))
{
if (null != DownloadProgressChanged)
{
var _args = new ExternalDownloadProgressChangedEventArgs(context);
DownloadProgressChanged(this, _args);
}
}
}
}
