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);
}
internal FtpFileTransferer(FtpDirectory transferStarter, string localFile, string remoteFile, long totalBytes, TransferDirection dir)
{
m_transferStarter = transferStarter;
m_transferDirection = dir;
m_session = transferStarter.FtpSession;
m_localFile = localFile;
m_remoteFile = remoteFile;
m_totalBytes = totalBytes;
if (dir == TransferDirection.Upload)
{
m_beginEvent = new FileEventDelegate(m_session.Host.RaiseBeginPutFileEvent);
m_endEvent = new FileEventDelegate(m_session.Host.RaiseEndPutFile);
m_streamCopyRoutine = new StreamCopyDelegate(LocalToRemote);
m_ftpFileCommandRoutine = new FtpDelegate(m_session.ControlChannel.STOR);
m_localFileOpenMode = FileMode.Open;
}
else
{
m_beginEvent = new FileEventDelegate(m_session.Host.RaiseBeginGetFileEvent);
m_endEvent = new FileEventDelegate(m_session.Host.RaiseEndGetFile);
m_streamCopyRoutine = new StreamCopyDelegate(RemoteToLocal);
m_ftpFileCommandRoutine = new FtpDelegate(m_session.ControlChannel.RETR);
m_localFileOpenMode = FileMode.Create;
}
}
internal FtpDataStream(ControlChannel ctrl, TcpClient client)
{
m_session = ctrl.Session;
m_ctrl = ctrl;
m_tcpClient = client;
m_stream = client.GetStream();
m_session.BeginDataTransfer(this);
}
internal FtpDirectory(SessionConnected s, string parentPath, string name)
{
m_session = s;
if (name != "")
{
m_name = name;
m_fullPath = parentPath + m_name + "/";
}
else
{
m_name = m_fullPath = "/";
}
}
internal FtpDirectory(SessionConnected s)
{
m_session = s;
m_fullPath = s.ControlChannel.PWD();
if (m_fullPath == "/")
{
m_name = m_fullPath;
return;
}
string[] directories = m_fullPath.Split('/');
m_name = directories[directories.Length - 1];
m_fullPath += "/";
}