void GetDC_EndCmd(IAsyncResult ar)
{
GetDC_SO stateObj = (GetDC_SO)ar.AsyncState;
try
{
stateObj.UpdateContext();
FtpResponse response = _cc.EndSendCommandEx(ar);
if (_passiveMode)
{
if (false == response.IsCompletionReply)
{
NSTrace.WriteLineError("PASV: " + response.ToString());
stateObj.Exception = new FtpErrorException("Error while configuring data connection.", response);
}
else
{
IPEndPoint ep = GetPasvEndPoint(response);
stateObj.DC = new FtpDataConnectionOutbound(_client, ep);
}
}
else
{
if (false == response.IsCompletionReply)
{
stateObj.DC.Dispose();
stateObj.DC = null;
NSTrace.WriteLineError(stateObj.Cmd + ": " + response.ToString());
stateObj.Exception = new FtpErrorException("Error while configure data connection.", response);
}
}
}
catch (Exception e)
{
stateObj.Exception = e;
}
stateObj.SetCompleted();
}
internal FtpDataConnection Execute(int timeout)
{
if (_passiveMode)
{
FtpResponse response = _cc.SendCommandEx(timeout, "PASV");
if (false == response.IsCompletionReply)
{
NSTrace.WriteLineError("PASV: " + response.ToString());
throw new FtpErrorException("Error while configuring data connection.", response);
}
IPEndPoint ep = GetPasvEndPoint(response);
return(new FtpDataConnectionOutbound(_client, ep));
}
else
{
IPEndPoint ep = GetLocalEndPoint();
FtpDataConnectionInbound dconn = new FtpDataConnectionInbound(_client, ep);
//prepare data connection
dconn.Prepare(timeout, _cc.UsedSocket);
//get the inbound data connection attributes
string cmd = GetPortCmd(dconn.LocalEndPoint);
//send tranfser parameters to the server
FtpResponse response = _cc.SendCommandEx(timeout, cmd);
if (false == response.IsCompletionReply)
{
dconn.Dispose();
NSTrace.WriteLineError(cmd + ": " + response.ToString());
throw new FtpErrorException("Error while configuring data connection.", response);
}
return(dconn);
}
}