public void ReceiveFile(Session Session, string Filename)
{
string fn = Filename;
int fc = 0;
while (System.IO.File.Exists(fn))
{
fc += 1;
fn = filename + "." + fc.ToString("d3");
if (fc >= 1000)
{
throw new Exception("Could not save file \"" + filename + "\".");
}
}
stream = new FileStream(fn, FileMode.Create);
this.filename = fn;
CurrentBlock = 1;
FilePosition = 0;
Open(Session);
Display.PrintSeparater();
Display.PrintLine("Receiving file: " + filename + "\r\n");
Mode = TransferModes.Receiving;
Stage = TransferStages.Waiting;
ResetNAKTimer();
StartTimer();
SendNAK();
}
private void CompleteReceive()
{
int fc = 0;
string fn = filename;
FilePosition += DATA_LENGTH;
Stage = TransferStages.Complete;
stream.Close();
Close(true);
}
protected virtual void AppendData()
{
Display.Print(spinner[spinnerIndex]);
spinnerIndex = (spinnerIndex + 1) % spinner.Length;
Display.MoveLeft();
byte b = dataBuffer.Peek();
if (dataBuffer.Count >= BLOCK_LENGTH)
{
// SOH begins an XMODEM block
// read until we get a valid SOH and then
// enter the block.
if (b == SOH)
{
Stage = TransferStages.Data;
ProcessBuffer();
}
else
{
dataBuffer.Read();
}
}
if (b == ETX) // cancel
{
dataBuffer.Read();
Display.PrintSeparater();
Display.PrintAtStart("Canceled by remote host.");
Cancel();
}
else if (b == EOT)
{
dataBuffer.Read();
SendACK();
CompleteReceive();
}
}
public void Cancel()
{
//Display.PrintAtStart("Transfer canceled.");
Stage = TransferStages.Fail;
Close(false);
}