/// <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));
}
/// <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 <ResponseItemList, string> ParseResponseStream(
InputByteArray InputArray, ResponseHeader ResponseHeader = null)
{
var responseItemList = new ResponseItemList();
string errmsg = null;
var writeStream = new ByteArrayBuilder();
DataStreamHeader dsHeader = null;
ResponseHeader responseHeader = ResponseHeader;
// stream starts with data stream header.
if (responseHeader == null)
{
var rv = DataStreamHeader.Factory(InputArray);
dsHeader = rv.Item1;
responseItemList.Add(dsHeader);
errmsg = dsHeader.Errmsg;
// next is the response header.
if (errmsg == null)
{
responseHeader = new ResponseHeader(InputArray);
responseItemList.Add(responseHeader);
errmsg = responseHeader.Errmsg;
}
}
// look for 5250 query reply.
if ((errmsg == null) && (responseHeader.AidKey != null) &&
(responseHeader.AidKey.Value == AidKey.Query5250Reply))
{
var queryResp = new Query5250Response(InputArray);
if (queryResp.Errmsg == null)
{
responseItemList.Add(queryResp);
}
}
// repeating instances of sbaOrder, textDataOrder pairs.
while (true)
{
var telCmd = TelnetCommand.Factory(InputArray);
if (telCmd != null)
{
continue;
}
// 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;
}
responseItemList.Add(orderPair);
}
return(new Tuple <ResponseItemList, string>(responseItemList, errmsg));
}
/// <summary>
/// build a byte stream containing the WTD workstation command orders from all
/// of the visual items on the canvas. The visual item list is the equivalent of
/// the 5250 format table.
/// </summary>
/// <param name="VisualItems"></param>
/// <returns></returns>
public byte[] BuildOrderStream(CanvasPositionCursor Caret)
{
ByteArrayBuilder ba = new ByteArrayBuilder();
// start header order.
{
byte[] cmdKeySwitches = new byte[] { 0x00, 0x00, 0x00 };
var buf = StartHeaderOrder.Build(0x00, 0x00, 24, cmdKeySwitches);
ba.Append(buf);
}
// insert cursor order.
{
var zeroRowCol = Caret.RowCol as ZeroRowCol;
var rowCol = zeroRowCol.ToOneRowCol() as OneRowCol;
var buf = InsertCursorOrder.Build(rowCol);
ba.Append(buf);
}
// build sets of SBA, StartField and TextData orders for each visual item. The
// visual item represents something on the screen. Whether output literal or
// and input field.
// VisualItem visualItem = null;
IVisualItem iVisual = null;
var cursor = this.FirstVisualItem();
while (cursor != null)
{
var pvVisualItem = iVisual;
iVisual = cursor.GetVisualItem();
if (iVisual is VisualSpanner)
{
}
else
{
{
var buf = SetBufferAddressOrder.Build(
iVisual.ItemRowCol.ToOneRowCol() as OneRowCol);
ba.Append(buf);
}
var visualItem = iVisual as VisualItem;
if (iVisual.IsField == true)
{
var vtb = iVisual as VisualTextBlock;
var ffw = vtb.FFW_Bytes;
byte attrByte = iVisual.AttrByte.Value;
int lgth = iVisual.ShowText.Length;
var buf = StartFieldOrder.Build(ffw[0], ffw[1], attrByte, lgth);
ba.Append(buf);
}
// create a text data order from either the text of the literal item. Or the
// text value of the entry field.
{
byte[] buf = null;
var s1 = iVisual.ShowText;
if (iVisual.IsField == true)
{
buf = TextDataOrder.Build(s1, null, iVisual.TailAttrByte);
}
else if (visualItem.CreateFromItem != null)
{
var litItem = visualItem.CreateFromItem as ShowLiteralItem;
if (litItem.rao_RepeatTextByte != null)
{
var toRowCol = (iVisual.ItemEndRowCol() as ZeroRowCol).ToOneRowCol();
buf = RepeatToAddressOrder.Build(
litItem.rao_RepeatTextByte.Value, toRowCol as OneRowCol);
}
else
{
var attrByte = litItem.AttrByte;
if (s1.Length < litItem.tdo_Length)
{
s1 = s1.PadRight(litItem.tdo_Length);
}
buf = TextDataOrder.Build(s1, attrByte, iVisual.TailAttrByte);
}
}
else
{
buf = TextDataOrder.Build(s1, iVisual.AttrByte, iVisual.TailAttrByte);
}
ba.Append(buf);
}
}
cursor = cursor.NextItem(true);
}
return(ba.ToByteArray());;
}
private byte[] BuildResponseByteStream(
ScreenContent ScreenContent,
AidKey AidKey, OneRowCol CaretRowCol, HowReadScreen?HowRead = null)
{
var ba = new ByteArrayBuilder();
// what to read from the screen.
HowReadScreen howRead = HowReadScreen.ReadAllInput;
if (HowRead != null)
{
howRead = HowRead.Value;
}
{
var buf = DataStreamHeader.Build(99, TerminalOpcode.PutGet);
ba.Append(buf);
}
// location of caret on the canvas.
{
var rowCol = CaretRowCol.ToParentRelative(ScreenContent);
var buf = ResponseHeader.Build(rowCol as OneRowCol, AidKey);
ba.Append(buf);
}
foreach (var dictItem in ScreenContent.FieldDict)
{
ContentField responseField = null;
var contentItem = dictItem.Value;
// process only ContentField.
if (contentItem is ContentField)
{
var contentField = contentItem as ContentField;
responseField = contentField;
}
// only process the first of a continued entry field.
if ((responseField != null) && (responseField is ContinuedContentField))
{
var contContentField = responseField as ContinuedContentField;
if (contContentField.ContinuedFieldSegmentCode != ContinuedFieldSegmentCode.First)
{
responseField = null;
}
}
if ((howRead == HowReadScreen.ReadMdt) &&
(responseField != null) && (responseField.GetModifiedFlag(ScreenContent) == false))
{
responseField = null;
}
if (responseField != null)
{
IRowCol rowCol = responseField.RowCol.ToOneRowCol().AdvanceRight();
{
rowCol = rowCol.ToParentRelative(ScreenContent);
var buf = SetBufferAddressOrder.Build(rowCol as OneRowCol);
ba.Append(buf);
}
{
var buf = TextDataOrder.Build(responseField.GetFieldShowText(ScreenContent));
ba.Append(buf);
}
}
}
// update length of response data stream.
var ra = ba.ToByteArray();
{
var wk = new ByteArrayBuilder();
wk.AppendBigEndianShort((short)ra.Length);
Array.Copy(wk.ToByteArray(), ra, 2);
}
return(ra);
}
public PrintItem(SetBufferAddressOrder sba)
: this(new OneRowCol(sba.RowNum, sba.ColNum))
{
this.StartedBySetBufferAddressOrder = true;
}
/// <summary>
/// build a byte stream containing the WTD workstation command orders from all
/// of the visual items on the canvas. The visual item list is the equivalent of
/// the 5250 format table.
/// </summary>
/// <returns></returns>
public byte[] BuildOrderStream()
{
var ba = new ByteArrayBuilder();
// start header order.
{
byte[] cmdKeySwitches = new byte[] { 0x00, 0x00, 0x00 };
var buf = StartHeaderOrder.Build(0x00, 0x00, 24, cmdKeySwitches);
ba.Append(buf);
}
// insert cursor order.
{
var rowCol = this.CaretRowCol;
if (rowCol == null)
{
rowCol = new OneRowCol(1, 1, this);
}
var buf = InsertCursorOrder.Build(rowCol);
ba.Append(buf);
}
// build sets of SBA, StartField and TextData orders for each visual item. The
// visual item represents something on the screen. Whether output literal or
// and input field.
// VisualItem visualItem = null;
foreach (var dictItem in this.FieldDict)
{
var contentItem = dictItem.Value;
{
var buf = SetBufferAddressOrder.Build(
contentItem.RowCol.ToOneRowCol() as OneRowCol);
ba.Append(buf);
}
if (contentItem is ContentField)
{
var contentField = contentItem as ContentField;
var ffw = contentField.FFW_Bytes;
byte attrByte = contentField.GetAttrByte(this).Value;
int lgth = contentField.LL_Length;
var buf = StartFieldOrder.Build(ffw[0], ffw[1], attrByte, lgth);
ba.Append(buf);
}
// create a text data order from either the text of the literal item. Or the
// text value of the entry field.
{
byte[] buf = null;
var s1 = contentItem.GetShowText(this);
if (contentItem is ContentField)
{
buf = TextDataOrder.Build(s1, null, null);
}
else
{
buf = TextDataOrder.Build(s1, contentItem.GetAttrByte(this), null);
}
ba.Append(buf);
}
}
return(ba.ToByteArray());;
}
