TelnetConnectAndNegotiate(
string Host, NegotiateSettings NegotiateSettings,
ConcurrentMessageQueue TelnetQueue, ToThread ToThread)
{
var sessionSettings = new SessionSettings();
TelnetLogList logList = null;
bool breakLoop = false;
// loop reading from NetworkStream and processing the telnet command.
// loop until break flag is set.
while (breakLoop == false)
{
var item = TelnetQueue.WaitAndPeek();
if ((item is TelnetCommand) == false)
{
break;
}
var telCmd = TelnetQueue.WaitAndDequeue() as TelnetCommand;
byte[] responseBytes = null;
{
var rv = ProcessTelnetCommand(telCmd, NegotiateSettings);
var cx = rv.Item1;
responseBytes = rv.Item2;
}
if ((responseBytes != null) && (responseBytes.Length > 0))
{
var dataMessage = new SendDataMessage(responseBytes);
ToThread.PostInputMessage(dataMessage);
}
}
return(new Tuple <SessionSettings, TelnetLogList>(
sessionSettings, logList));
}
private void MenuItem_Click(object sender, RoutedEventArgs e)
{
string itemText = null;
string tagText = null;
var senderItem = sender as MenuItem;
if (sender is MenuItem)
{
itemText = (sender as MenuItem).Header as string;
}
tagText = senderItem.Tag as string;
if (itemText == "Telnet")
{
var devName = "STEVE26";
var termType = "IBM-3477-FC"; // IBM-3477-FC, IBM-3179-2
TelnetInitialConnect(
this.Model.SystemName, this.Model.AutoConnect, this.Model.DeviceName, this.Model.TerminalType);
}
else if (itemText == "Printer")
{
TelnetPrinterConnect(this.Model.SystemName);
}
else if (itemText == "Exit")
{
this.canAutoClose = true;
this.Close();
}
else if (itemText == "Test")
{
var s2 = this.Model.ScreenDefnPath;
Debug.Print("ScreenDefnPath:" + s2);
}
else if (itemText == "Read xml")
{
string xmlPath = "c:\\skydrive\\c#\\TextCanvasLib\\xmlfile1.xml";
var items = ScreenDocReader.ReadDoc(xmlPath);
OneRowCol caret = null;
this.Model.TelnetCanvas.PaintScreen(items, caret);
}
else if (itemText == "Print log")
{
LinePrinter.PrintLines(this.Model.RunLog);
}
else if (itemText == "Clear log")
{
MainWindow.LogFile.ClearFile();
this.Model.RunLog.Clear();
this.PaintThread.PostInputMessage(ThreadMessageCode.ClearLog);
this.MasterThread.PostInputMessage(ThreadMessageCode.ClearLog);
this.ToThread.PostInputMessage(ThreadMessageCode.ClearLog);
this.FromThread.PostInputMessage(ThreadMessageCode.ClearLog);
}
else if (itemText == "view special")
{
var specialPath = "c:\\downloads\\specialLog.txt";
string exePath =
Environment.ExpandEnvironmentVariables(@"%windir%\system32\notepad.exe");
Process.Start(exePath, specialPath);
}
else if (itemText == "Report canvas items")
{
MasterThread.PostInputMessage(ThreadMessageCode.ReportVisualItems);
var visualItems = this.Model.TelnetCanvas.VisualItems;
var report = wtdReportExt.PrintVisualItems(visualItems);
this.Model.RunLog.AddRange(report);
}
else if (itemText == "Send data")
{
var dataBytes = new byte[] { 0x00, 0x0a, 0x12, 0xa0, 0x01, 0x02,
0x04, 0x00, 0x00, 0x01, 0xff, 0xef };
dataBytes = new byte[] { 0x00, 0x0A, 0x12, 0xA0, 0x01, 0x02,
0x04, 0x00, 0x00, 0x01, 0xFF, 0xEF };
var dataMessage = new SendDataMessage(dataBytes);
this.ToThread.PostInputMessage(dataMessage);
}
// capture the currently matched screen.
else if (tagText == "Capture")
{
if (this.Model.MatchScreenDefn == null)
{
MessageBox.Show("no matched screen to capture");
}
else
{
// send message to master thread to get the current screen content.
var msg = new ExchangeMessage(ThreadMessageCode.GetScreenContent);
this.MasterThread.PostInputMessage(msg);
msg.WaitReplyEvent();
var content = msg.ReplyMessage as ScreenContent;
// send message to capture thread telling it to capture the current
// screen.
var captureMessage = new CaptureContentMessage(
this.Model.CaptureFolderPath, this.Model.CaptureAuto,
this.Model.MatchScreenDefn, content);
this.CaptureThread.PostInputMessage(captureMessage);
}
}
else if (tagText == "CaptureViewer")
{
var window = new CaptureViewerWindow();
window.CaptureFolderPath = this.Model.CaptureFolderPath;
window.Show();
}
}
public void EntryPoint()
{
this.ThreadEndedEvent.Reset();
try
{
// loop receiving from the server until:
// - the foreground thread wants to shutdown the connection. It has set
// the ShutdownFlag event.
while ((ShutdownFlag.State == false) &&
(this.ConnectionFailedEvent.State == false))
{
var message = InputQueue.WaitAndDequeue(
this.ShutdownFlag.EventObject, this.ConnectionFailedEvent.EventObject);
if (message != null)
{
if (message is DataStreamHeaderMessage)
{
var dshMessage = message as DataStreamHeaderMessage;
var dataBytes = new byte[] {
0x00, 0x0A, 0x12, 0xA0, 0x01, 0x02,
0x04, 0x00, 0x00, 0x01, 0xFF, 0xEF
};
var dataMessage = new SendDataMessage(dataBytes);
this.ToThread.PostInputMessage(dataMessage);
}
else if (message is DataStreamHeader)
{
var dsh = message as DataStreamHeader;
var dataBytes = new byte[] {
0x00, 0x0A, 0x12, 0xA0, 0x01, 0x02,
0x04, 0x00, 0x00, 0x01, 0xFF, 0xEF
};
var dataMessage = new SendDataMessage(dataBytes);
this.ToThread.PostInputMessage(dataMessage);
}
else if (message is PrinterDataBytesMessage)
{
var dataMessage = message as PrinterDataBytesMessage;
var dataBytes = dataMessage.DataBytes;
var dataBytesLength = dataBytes.Length;
// remove the IAC EOR from the end of the stream.
// ( the data stream may end with a partial control function which
// is continued in the next data stream. Do not want to
// confuse the FF EF EOR bytes as data bytes of the possible
// incomplete control function. )
{
var endBytes = dataBytes.Tail(2);
var cmdCode = endBytes.ParseTelnetCommandCode();
if ((cmdCode != null) && (cmdCode.Value == CommandCode.EOR))
{
dataBytesLength -= 2;
// dataBytes = dataBytes.SubArray(0, dataBytesLength);
}
}
// there are remaining bytes from the previous dataBytes message.
// insert these remaining bytes after the dataStreamHeader.
if (this.RemainingBytes != null)
{
dataBytes = dataBytes.SubArray(0, dataBytesLength);
var headerLength = dataBytes.GetDataStreamHeaderLength();
if (headerLength != null)
{
dataBytes =
dataBytes.Insert(headerLength.Value, this.RemainingBytes);
dataBytesLength += this.RemainingBytes.Length;
}
}
// parse the bytes.
var rv = ServerDataStream.ParseByteArray(dataBytes, dataBytesLength);
var wrkstnCmdList = rv.Item1;
var responseList = rv.Item2;
var dsh = rv.Item3;
var telList = rv.Item4;
var funcList = rv.Item5;
// bytes at the end of the data stream that were not recognized as
// complete SCS function codes. Save now and add to the front of the
// next data stream that arrives. ( add to front after the data
// stream header. )
this.RemainingBytes = rv.Item6;
if (1 == 1)
{
this.OpenDoc = PrintToPdf(dsh, funcList, this.OpenDoc);
}
var respBytes = new byte[] {
0x00, 0x0A, 0x12, 0xA0, 0x01, 0x02,
0x04, 0x00, 0x00, 0x01, 0xFF, 0xEF
};
var respMessage = new SendDataMessage(respBytes);
this.ToThread.PostInputMessage(respMessage);
}
else if (message is GeneralThreadMessage)
{
var generalMessage = message as GeneralThreadMessage;
switch (generalMessage.MessageCode)
{
case ThreadMessageCode.ClearLog:
{
break;
}
}
}
else if (message is ExchangeMessage)
{
var exchangeMessage = message as ExchangeMessage;
if (exchangeMessage.MessageCode == ThreadMessageCode.GetScreenContent)
{
}
}
}
}
}
finally
{
// in case anyone waiting for this thread to end. Signal the ended event.
ThreadEndedEvent.Set();
}
}