private void Download()
{
Debug.WriteLineIf(DccUtil.DccTrace.TraceInfo, "[" + Thread.CurrentThread.Name + "] DccFileSession::Download()" + (turboMode ? " Turbo" : " Legacy") + " mode");
try
{
socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socket.Connect(dccUser.RemoteEndPoint);
int bytesRead = 0;
while (!dccFileInfo.AllBytesTransfered())
{
bytesRead = socket.Receive(buffer);
//Remote server closed the connection before all bytes were sent
if (bytesRead == 0)
{
Interrupted();
return;
}
ResetActivityTimer();
AddBytesProcessed(bytesRead);
dccFileInfo.TransferStream.Write(buffer, 0, bytesRead);
//Send ack if in legacy mode
if (!turboMode)
{
socket.Send(DccUtil.DccBytesReceivedFormat(dccFileInfo.CurrentFilePosition()));
}
}
dccFileInfo.TransferStream.Flush();
Finished();
}
catch (Exception ex)
{
Debug.WriteLineIf(Rfc2812Util.IrcTrace.TraceWarning, "[" + Thread.CurrentThread.Name + "] DccFileSession::Download() exception=" + ex);
if (ex.Message.IndexOf("refused") > 0)
{
dccUser.Connection.Listener.Error(ReplyCode.DccConnectionRefused, "Connection refused by remote user.");
}
else
{
dccUser.Connection.Listener.Error(ReplyCode.ConnectionFailed, "Unknown socket error:" + ex.Message);
}
Interrupted();
}
}
