/// <summary>
///
/// </summary>
/// <param name="asyncResult"></param>
void AsyncReadResponseStreamCallback(IAsyncResult asyncResult)
{
var _context = asyncResult.AsyncState as ExternalActionContext;
try
{
int _read = _context.EndReadResponseStream(asyncResult);
if (0 < _read)
{
if (null != _context.DestinationStream)
{
_context.BeginWriteDestinationSteam(0, _read, x => AsyncWriteDestinationStreamCallback(x));
return;
}
_context.BeginReadResponseStream(0, BUFFER_SIZE, x => AsyncReadResponseStreamCallback(x));
return;
}
_context.Result = FtpResult.Parse(_context.Response as FtpWebResponse);
_context.Dispose();
RaiseActionCompletedEvent(_context);
_waitHandle.Set();
}
catch (Exception ex)
{
HandleThrownException(_context, ex);
}
}
/// <summary>
///
/// </summary>
/// <param name="asyncResult"></param>
void AsyncGetResponseCallback(IAsyncResult asyncResult)
{
var _context = asyncResult.AsyncState as ExternalActionContext;
try
{
var _response = _context.EndGetResponse(asyncResult) as FtpWebResponse;
if (_context.ReadToEnd)
{
_context.BeginReadResponseStream(0, BUFFER_SIZE, x => AsyncReadResponseStreamCallback(x));
return;
}
_context.Result = FtpResult.Parse(_response);
_context.Dispose();
RaiseActionCompletedEvent(_context);
_waitHandle.Set();
}
catch (Exception ex)
{
HandleThrownException(_context, ex);
}
}
/// <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);
}
