void SendCmdEx_End(IAsyncResult ar)
{
Quit_SO stateObj = (Quit_SO)ar.AsyncState;
try
{
stateObj.UpdateContext();
//----------------------------------------
//finish sending command
FtpResponse response = _cc.EndSendCommandEx(ar);
//----------------------------------------
//Check response
FtpClient.CheckCompletionResponse(response);
}
catch (Exception e)
{
stateObj.Exception = e;
}
finally
{
//----------------------------------------
//Unlock control connection
_cc.Unlock();
stateObj.SetCompleted();
}
}
void SendCmd_End(IAsyncResult ar)
{
Quit_SO stateObj = (Quit_SO)ar.AsyncState;
try
{
stateObj.UpdateContext();
//----------------------------------------
//finish sending command
_cc.EndSendCommand(ar);
//----------------------------------------
//Notify DTP that it should handle quit
//issue
_client.CurrentDTP.Quit();
}
catch (Exception e)
{
stateObj.Exception = e;
}
finally
{
//----------------------------------------
//Unlock control connection
_cc.Unlock();
stateObj.SetCompleted();
}
}
internal IAsyncResult BeginExecute(int timeout, AsyncCallback cb, object state)
{
Quit_SO stateObj = new Quit_SO(timeout, cb, state);
//----------------------------------------
//Lock Control connection.
//
_cc.BeginLock(Timeout.Infinite,
new WaitOrTimerCallback(Lock_End),
stateObj);
return(stateObj);
}
void Lock_End(object state, bool timedout)
{
Quit_SO stateObj = (Quit_SO)state;
try
{
stateObj.UpdateContext();
//----------------------------------------
//Indicate that we lock CC
stateObj.CCLocked = true;
if (null != _client.CurrentDTP)
{
//----------------------------------------
//In case when we have active DTP we delegate
//handling responses to it and here only send
//quit command
_cc.BeginSendCommand(stateObj.Timeout,
"QUIT",
new AsyncCallback(SendCmd_End),
stateObj);
}
else
{
//----------------------------------------
//In case there is no DTP, we should
//dealing with responses here ...
_cc.BeginSendCommandEx(stateObj.Timeout,
"QUIT",
new AsyncCallback(SendCmdEx_End),
stateObj);
}
}
catch (Exception e)
{
stateObj.Exception = e;
stateObj.SetCompleted();
}
}
