/// <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());; }