change resend ack work

[Olen]

editing  to "TFTPServerProcess.cs"

finished.

    private int ImTimeCount = 0; //if send data successfully & this is add to line 864
        /// <summary>
        /// Check the state of the current TFTP session
        /// </summary>
        public void CheckStates()
        {
            //System.Diagnostics.StackTrace st = new System.Diagnostics.StackTrace(2, true);
            //System.Diagnostics.StackFrame sf = st.GetFrame(0);
            //AddMsg(Level.Debug, ident.ToString() + ": Process CheckStates" + sf.ToString());

            AddMsg(Level.Debug, ident.ToString() + ": " + DateTime.Now.ToString() + "Process CheckStates timer callback started.");
            lock (CurrStatesLock)
            {
                if (State != null)
                {
                    if (State.TransferState.Closed)
                    {
                        AddMsg(Level.Verbose, ident.ToString() + ": " + DateTime.Now.ToString() + " CheckStates timer calling stoplistener because the state is closed.");
                        StopListener();
                    }
                    else
                    {
if ((DateTime.Now.Ticks - State.Timestamp) > 0 && (((DateTime.Now.Ticks - State.Timestamp) / 10000000) > State.TimeoutSeconds))
                        {
                            switch (State.OriginalOpcode)
{
case 1: //RRQ
ImTimeCount++;
break;
    case 2://WRQ
ImTimeCount++;
//If we didn't get another DATA packet since our last ACK resend
AddMsg(Level.Info, "Resending ACK to " + State.RemoteIPAddress.ToString() + ":" + State.RemotePortNumber.ToString());
IPEndPoint RemoteEndPoint = new IPEndPoint(IPAddress.Parse(State.RemoteIPAddress), State.RemotePortNumber);
Send(RemoteEndPoint, new byte { 0, 4, State.BlockIDByte1, State.BlockIDByte2 });
break;
//case 3: //DATA
// ImTimeCount++;
// break;
//case 4: //ACK
// ImTimeCount++;
// break;
//case 5: //ERROR
// ImTimeCount++;
// break;
//case 6: //OACK
// ImTimeCount++;
// break;
default:
ImTimeCount++;
//If a state has had no activity for the specified interval remove it
AddMsg(Level.Info, "Timeout for " + State.TransferType + " request of file " + State.Filename + " connection " + State.RemoteIPAddress.ToString() + ":" + State.RemotePortNumber.ToString());
AddMsg(Level.Verbose, "Timeout was " + ((DateTime.Now.Ticks - State.Timestamp) / 10000000).ToString() + " seconds");
State.ErrorOccurred = true;
State.ErrorMsg = "Timeout occured for " + State.TransferType + " request of file " + State.Filename + " from " + State.RemoteIPAddress.ToString();
State.Close();
}
if (ImTimeCount > Timeout)
{
ImTimeCount++;
//If a state has had no activity for the specified interval remove it
AddMsg(Level.Info, "Timeout for " + State.TransferType + " request of file " + State.Filename + " connection " + State.RemoteIPAddress.ToString() + ":" + State.RemotePortNumber.ToString());
AddMsg(Level.Verbose, "Timeout was " + ((DateTime.Now.Ticks - State.Timestamp) / 10000000).ToString() + " seconds");
State.ErrorOccurred = true;
State.ErrorMsg = "Timeout occured for " + State.TransferType + " request of file " + State.Filename + " from " + State.RemoteIPAddress.ToString();
State.Close();
}
/*
if (((DateTime.Now.Ticks - State.Timestamp) / 10000000) > State.TimeoutSeconds)
                            {
                                //If a state has had no activity for the specified interval remove it
                                AddMsg(Level.Info, "Timeout for " + State.TransferType + " request of file " + State.Filename + " connection " + State.RemoteIPAddress.ToString() + ":" + State.RemotePortNumber.ToString());
                                AddMsg(Level.Verbose, "Timeout was " + ((DateTime.Now.Ticks - State.Timestamp) / 10000000).ToString() + " seconds");
                                State.ErrorOccurred = true;
                                State.ErrorMsg = "Timeout occured for " + State.TransferType + " request of file " + State.Filename + " from " + State.RemoteIPAddress.ToString();
                                State.Close();
                            }
                            else if ((((DateTime.Now.Ticks - State.Timestamp) / 10000000) > State.TimeoutSeconds) && (State.OriginalOpcode == 2))
                            {
                                //If we didn't get another DATA packet since our last ACK resend
                                AddMsg(Level.Info, "Resending ACK to " + State.RemoteIPAddress.ToString() + ":" + State.RemotePortNumber.ToString());
                                IPEndPoint RemoteEndPoint = new IPEndPoint(IPAddress.Parse(State.RemoteIPAddress), State.RemotePortNumber);
                                Send(RemoteEndPoint, new byte { 0, 4, State.BlockIDByte1, State.BlockIDByte2 });
                            }
*/
                        }
                    }
                }
                else if (TimeoutCounter > Timeout)
                {
                    AddMsg(Level.Verbose, ident.ToString() + ": Stopping listener because no active sessions for timeout peroid.");
                    this.StopListener();
                }
                else
                {
                    //The listener should not be running if there is not an active session
                    ++TimeoutCounter;
                }
            }
            AddMsg(Level.Debug, ident.ToString() + ": " + "Process CheckStates timer callback finished " + DateTime.Now.ToString());
        }

and edit … private void SendNextDataDatagram(…)

    private void SendNextDataDatagram(byte ReceivedBytes, IPEndPoint RemoteEndPoint, string EndPointString)
        {
            try
            {
                ImTimeCount = 0; //if send data successfully
byte ………
            }…………..

[Tom Kuhn]

Are any of these changes in the trunk or branches? Are they in the latest binaries?