void SendCmd_End(IAsyncResult ar)
{
Abort_SO stateObj = (Abort_SO)ar.AsyncState;
try
{
stateObj.UpdateContext();
//----------------------------------------
//finish sending command
_cc.EndSendCommand(ar);
//----------------------------------------
//Notify DTP that it should abort data
//connection and handle abort command
//
_client.CurrentDTP.Abort();
}
catch (Exception e)
{
stateObj.Exception = e;
}
finally
{
//----------------------------------------
//Unlock control connection
_cc.Unlock();
stateObj.SetCompleted();
}
}
void SendCmdEx_End(IAsyncResult ar)
{
Abort_SO stateObj = (Abort_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 Lock_End(object state, bool timedout)
{
Abort_SO stateObj = (Abort_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
//abort command
_cc.BeginSendCommand(stateObj.Timeout,
"ABOR",
new AsyncCallback(SendCmd_End),
stateObj);
}
else
{
//----------------------------------------
//In case there is no DTP, but user wants
//issue abort command we should dealing with
//responses here ...
_cc.BeginSendCommandEx(stateObj.Timeout,
"ABOR",
new AsyncCallback(SendCmdEx_End),
stateObj);
}
}
catch (Exception e)
{
stateObj.Exception = e;
stateObj.SetCompleted();
}
}