private FtpDataStream GetStream(long offset, TransferDirection dir)
{
m_parent.CheckSessionCurrentDirectory();
SessionConnected session = m_parent.FtpSession;
if (offset != 0)
{
session.ControlChannel.REST(offset);
}
FtpDataStream stream = session.ControlChannel.GetPassiveDataStream(dir);
try
{
if (dir == TransferDirection.Download)
{
session.ControlChannel.RETR(m_name);
}
else
{
session.ControlChannel.STOR(m_name);
}
}
catch (Exception)
{
stream.Dispose();
throw;
}
return(stream);
}
public FtpOutputDataStream CreateFileStream(string newFileName)
{
InitHashtable();
FtpDataStream stream = m_session.ControlChannel.GetPassiveDataStream(TransferDirection.Upload);
try
{
m_session.ControlChannel.STOR(newFileName);
FtpFile newFile = new FtpFile(this, newFileName);
m_files[newFileName] = newFile;
return((FtpOutputDataStream)stream);
}
catch (Exception)
{
stream.Dispose();
throw;
}
}
internal void StartTransfer()
{
FileStream localStream = null;
FtpDataStream remoteStream = null;
try
{
m_beginEvent(this);
localStream = new FileStream(m_localFile, m_localFileOpenMode);
remoteStream = m_session.ControlChannel.GetPassiveDataStream(m_transferDirection);
m_ftpFileCommandRoutine(m_remoteFile);
m_streamCopyRoutine(remoteStream, localStream);
remoteStream.Close();
TestTransferResult();
m_endEvent(this);
}
catch (FtpUserAbortException)
{
remoteStream.Close();
throw;
}
catch (Exception)
{
m_endEvent(this);
throw;
}
finally
{
if (remoteStream != null)
{
remoteStream.Dispose();
}
if (localStream != null)
{
localStream.Close();
}
}
}