public static Tuple <List <ShowItemBase>, TelnetLogList> NextServerRequest(
NetworkStreamBackedInputByteArray InputArray,
NegotiateSettings NegotiateSettings,
bool ForceRead = false)
{
TelnetLogList logList = new TelnetLogList();
var showItemList = new ShowItemList();
while (true)
{
// read available bytes from input stream.
if (InputArray.IsEof())
{
var log = InputArray.ReadFromNetworkStream(5, 5, ForceRead);
logList.AddItems(log);
}
// no input data to process.
if (InputArray.IsEof())
{
break;
}
var buf = InputArray.PeekDataStreamHeader();
if (buf != null)
{
var dsh = new DataStreamHeader(InputArray);
logList.AddItems(Direction.Read, dsh.ToReportLines( ), true);
var rv = ParseAndProcessWorkstationCommand(InputArray, dsh);
var workstationCommand = rv.Item1;
showItemList = rv.Item2;
logList.AddItems(rv.Item4);
}
// check for IAC EOR
{
var telCode = InputArray.PeekTelnetCommandCode(CommandCode.EOR);
if (telCode != null)
{
var telCmd = InputArray.NextTelnetCommand();
logList.AddItems(Direction.Read, telCmd.ToReportLines(), true);
}
}
// peek and process input bytes as a telnet stmt. ( starts with IAC )
{
var telCmd = InputArray.NextTelnetCommand();
if (telCmd != null)
{
var rv = TelnetConnection.ProcessTelnetCommand(telCmd, NegotiateSettings);
var cx = rv.Item1;
var writeBytes = rv.Item2;
logList.AddItems(rv.Item3);
WriteToHost(logList, writeBytes, InputArray.NetStream);
}
}
}
return(new Tuple <List <ShowItemBase>, TelnetLogList>(showItemList, logList));
}
public static Tuple <WorkstationCommandList, TelnetLogList> GetAndParseWorkstationCommandList(
NetworkStreamBackedInputByteArray InputArray,
SessionSettings SessionSettings)
{
TelnetLogList logList = new TelnetLogList();
var wrkstnCmdList = new WorkstationCommandList();
var dsh = new DataStreamHeader(InputArray);
if (dsh != null)
{
logList.AddItems(Direction.Read, dsh.ToReportLines( ), true);
}
if ((dsh != null) && (dsh.Errmsg == null))
{
bool lastCmdWasTelnet_EOR = false;
while (dsh != null)
{
// read available bytes from input stream.
if (InputArray.IsEof() && (lastCmdWasTelnet_EOR == false))
{
var log = InputArray.ReadFromNetworkStream(5, 5);
logList.AddItems(log);
}
// no input data to process.
if (InputArray.IsEof())
{
break;
}
lastCmdWasTelnet_EOR = false;
// check for IAC EOR
var telCode = InputArray.PeekTelnetCommandCode(CommandCode.EOR);
if (telCode != null)
{
var telCmd = InputArray.NextTelnetCommand();
logList.AddItems(Direction.Read, telCmd.ToReportLines(), true);
lastCmdWasTelnet_EOR = true;
}
// process the input as workstation data stream commands.
else
{
var rv = ParseAndProcessWorkstationCommand(InputArray, dsh);
var workstationCommand = rv.Item1;
dsh = rv.Item3;
logList.AddItems(rv.Item4);
if (workstationCommand != null)
{
wrkstnCmdList.Add(workstationCommand);
}
}
}
}
return(new Tuple <WorkstationCommandList, TelnetLogList>(wrkstnCmdList, logList));
}
public ConnectedSocketPack(
TcpClient Client, NetworkStream Stream,
NetworkStreamBackedInputByteArray InputArray)
{
this.TcpClient = Client;
this.TcpStream = Stream;
this.InputArray = InputArray;
}
public TelnetLogList ParseByteArray(byte[] ByteArray)
{
var inputArray = new NetworkStreamBackedInputByteArray(ByteArray, ByteArray.Length);
var sessionSettings = new SessionSettings();
var logList = ParseDataStream(inputArray, sessionSettings);
return(logList);
}
/// <summary>
/// parse the 5250 data stream that is sent from the client to the server.
/// </summary>
/// <param name="LogFile"></param>
/// <param name="ToServerStream"></param>
/// <returns></returns>
public static Tuple <object[], string> ParseResponseStream(
TelnetLogList LogList, byte[] ResponseStream)
{
List <object> listItems = new List <object>();
string errmsg = null;
var inputArray =
new NetworkStreamBackedInputByteArray(ResponseStream, ResponseStream.Length);
var writeStream = new ByteArrayBuilder();
DataStreamHeader dsHeader = null;
ResponseHeader responseHeader = null;
// stream starts with data stream header.
dsHeader = new DataStreamHeader(inputArray);
listItems.Add(dsHeader);
errmsg = dsHeader.Errmsg;
LogList.AddItems(Direction.Write, dsHeader.ToReportLines(), true);
// next is the response header.
if (errmsg == null)
{
responseHeader = new ResponseHeader(inputArray);
listItems.Add(responseHeader);
errmsg = responseHeader.Errmsg;
LogList.AddItems(Direction.Write, responseHeader.ToReportLines(), true);
}
// repeating instances of sbaOrder, textDataOrder pairs.
while (true)
{
// check that an SBA order is starting. Leave loop when it is not.
if (SetBufferAddressOrder.CheckOrder(inputArray) != null)
{
break;
}
var orderPair = new LocatedTextDataOrderPair(inputArray);
if (orderPair.Errmsg != null)
{
break;
}
listItems.Add(orderPair);
LogList.AddItems(Direction.Write, orderPair.ToReportLines(), true);
}
return(new Tuple <object[], string>(listItems.ToArray(), errmsg));
}
void NewParse()
{
var logList = new TelnetLogList();
var text = TextBox1.Text;
var lines = text.Split(
new string[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries);
var ba = ParseHexLines(lines);
var inputArray = new NetworkStreamBackedInputByteArray(ba, ba.Length);
var sessionSettings = new SessionSettings();
Process5250.ParseResponseStream(logList, ba);
foreach (var item in logList)
{
if (item.NewGroup == true)
{
this.Model.RunLog.Add("");
}
this.Model.RunLog.Add(item.Text);
}
// peek at the input stream from server. Classify the data that is next
// to receive.
var typeData = ServerDataStream.PeekServerCommand(inputArray);
// input data not recogizied. Not a 5250 data strem header.
if (typeData == null)
{
logList.AddItem(Direction.Read, "Unknown data stream data");
logList.AddItems(
Direction.Read, inputArray.PeekBytes().ToHexReport(16));
}
else if (typeData.Value == TypeServerData.workstationHeader)
{
{
var rv = Process5250.GetAndParseWorkstationCommandList(
inputArray, sessionSettings);
var workstationCmdList = rv.Item1;
logList.AddItems(rv.Item2);
}
}
}
public TelnetLogList ParseDataStream(
NetworkStreamBackedInputByteArray inputArray, SessionSettings sessionSettings)
{
var logList = new TelnetLogList();
bool didParse = true;
while ((didParse == true) && (inputArray.RemainingLength > 0))
{
didParse = false;
if (didParse == false)
{
var telCmd = inputArray.NextTelnetCommand();
if (telCmd != null)
{
var s1 = telCmd.ToString();
logList.AddItem(Direction.Read, s1);
didParse = true;
}
}
if (didParse == false)
{
var rv = Process5250.GetAndParseWorkstationCommandList(
inputArray, sessionSettings);
logList.AddItems(rv.Item2);
var wrkstnCmdList = rv.Item1;
// draw the fields and literals on the canvas.
if (wrkstnCmdList?.Count > 0)
{
didParse = true;
foreach (var workstationCmd in wrkstnCmdList)
{
}
}
}
}
return(logList);
}
private void MenuItem_Click(object sender, RoutedEventArgs e)
{
string itemText = null;
if (sender is MenuItem)
{
itemText = (sender as MenuItem).Header as string;
}
if (itemText == "Test")
{
var logList = new TelnetLogList();
var negSettings = NegotiateSettings.Build5250Settings("SRICHTER", "Steve25");
var lines = System.IO.File.ReadAllLines("c:\\downloads\\hextext.txt");
var ba = ParseHexLines(lines);
// print the bytes of the response stream as lines of hex text.
{
var rep = ba.ToHexReport(16);
logList.AddItem(Direction.Read, "Length:" + ba.Length + " Byte stream bytes:");
logList.AddItems(Direction.Read, rep);
}
var inputArray = new NetworkStreamBackedInputByteArray(ba, ba.Length);
var sessionSettings = new SessionSettings();
var rv = Process5250.GetAndParseWorkstationCommandList(
inputArray, sessionSettings);
logList.AddItems(rv.Item2);
var wrkstnCmdList = rv.Item1;
// draw the fields and literals on the canvas.
if (wrkstnCmdList != null)
{
foreach (var workstationCmd in wrkstnCmdList)
{
}
}
foreach (var item in logList)
{
this.Model.RunLog.Add(item.Text);
}
return;
}
else if (itemText == "Parse server stream")
{
var text = TextBox1.Text;
var lines = text.Split(new string[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries);
var ba = ParseHexLines(lines);
// print the bytes of the response stream as lines of hex text.
{
TelnetLogList logList = new TelnetLogList();
var rep = ba.ToHexReport(16);
logList.AddItem(Direction.Read, "Length:" + ba.Length + " Byte stream bytes:");
logList.AddItems(Direction.Read, rep);
}
}
else if (itemText == "Parse response stream")
{
var logList = new TelnetLogList();
var negSettings = NegotiateSettings.Build5250Settings("SRICHTER", "Steve25");
var lines = System.IO.File.ReadAllLines("c:\\downloads\\hextext.txt");
var ba = ParseHexLines(lines);
// print the bytes of the response stream as lines of hex text.
{
var rep = ba.ToHexReport(16);
logList.AddItem(Direction.Read, "Length:" + ba.Length + " Byte stream bytes:");
logList.AddItems(Direction.Read, rep);
}
Process5250.ParseResponseStream(logList, ba);
foreach (var item in logList)
{
if (item.NewGroup == true)
{
this.Model.RunLog.Add("");
}
this.Model.RunLog.Add(item.Text);
}
return;
}
else if (itemText == "Exit")
{
this.Close();
}
else if (itemText == "Settings")
{
}
else if (itemText == "Print")
{
LinePrinter.PrintLines(this.Model.RunLog);
}
else if (itemText == "Clear log")
{
Model.RunLog.Clear();
}
}
public static Tuple <int, int, List <ShowItemBase>, TelnetLogList> GetAndProcessStream(
TcpClient Client, NetworkStream NetStream,
NetworkStreamBackedInputByteArray InputArray,
NegotiateSettings NegotiateSettings,
bool ForceRead = false)
{
int sendStmtCx = 0;
int getStmtCx = 0;
var logList = new TelnetLogList();
var showItemList = new ShowItemList();
bool exitLoop = false;
while (exitLoop == false)
{
// read available bytes from input stream.
if (InputArray.IsEof())
{
var log = InputArray.ReadFromNetworkStream(5, 5, ForceRead);
logList.AddItems(log);
}
// no input data to process.
if (InputArray.IsEof())
{
break;
}
DataStreamHeader currentDataStreamHeader = null;
while (true)
{
if (InputArray.IsEof() == true)
{
break;
}
// process the input as 5250 data stream commands.
if (currentDataStreamHeader != null)
{
var rv = ParseAndProcessWorkstationCommand(InputArray, currentDataStreamHeader);
var workstationCommand = rv.Item1;
showItemList = rv.Item2;
currentDataStreamHeader = rv.Item3;
logList.AddItems(rv.Item4);
continue;
}
// peek and process input bytes as a telnet stmt. ( starts with IAC )
var telCmd = InputArray.NextTelnetCommand();
if (telCmd != null)
{
getStmtCx += 1;
var rv = TelnetConnection.ProcessTelnetCommand(telCmd, NegotiateSettings);
var cx = rv.Item1;
var writeBytes = rv.Item2;
logList.AddItems(rv.Item3);
sendStmtCx += cx;
WriteToHost(logList, writeBytes, NetStream);
continue;
}
var dsh = new DataStreamHeader(InputArray);
if ((dsh != null) && (dsh.Errmsg == null))
{
logList.AddItem(Direction.Read, dsh.ToString());
currentDataStreamHeader = dsh;
continue;
}
exitLoop = true;
break;
}
}
return(new Tuple <int, int, List <ShowItemBase>, TelnetLogList>(
getStmtCx, sendStmtCx, showItemList, logList));
}
public ConnectedSocketPack(NetworkStreamBackedInputByteArray InputArray)
{
this.InputArray = InputArray;
this.TcpClient = InputArray.Client;
this.TcpStream = InputArray.NetStream;
}
