ViewVC Help
View File | Revision Log | Show Annotations | Download File | View Changeset | Root Listing
root/public/ibx/branches/udr/client/FBOutputBlock.pas
(Generate patch)

Comparing:
ibx/trunk/fbintf/client/FBOutputBlock.pas (file contents), Revision 143 by tony, Fri Feb 23 12:11:21 2018 UTC vs.
ibx/branches/udr/client/FBOutputBlock.pas (file contents), Revision 379 by tony, Mon Jan 10 10:08:03 2022 UTC

# Line 49 | Line 49 | const
49    DBInfoDefaultBufferSize = DefaultBufferSize; {allow for database page}
50  
51   type
52 <  TItemDataType = (dtString, dtString2, dtByte, dtBytes, dtInteger, dtIntegerFixed, dtnone,
53 <    dtList,dtSpecial, dtDateTime, dtOctetString);
52 >  TItemDataType = (dtString, dtString2, dtByte, dtBytes, dtInteger, dtIntegerFixed,
53 >    dtTinyInteger, dtShortIntFixed, dtnone, dtList, dtSpecial, dtDateTime, dtOctetString);
54  
55    POutputBlockItemData = ^TOutputBlockItemData;
56    TOutputBlockItemData = record
# Line 73 | Line 73 | type
73      FBuffer: PByte;
74      FBufSize: integer;
75      FBufferParsed: boolean;
76 +    FFirebirdClientAPI: TFBClientAPI;
77      procedure ParseBuffer;
78      {$IFDEF DEBUGOUTPUTBLOCK}
79      procedure FormattedPrint(const aItems: array of POutputBlockItemData;
80        Indent: AnsiString);
81      {$ENDIF}
81    procedure PrintBuf;
82    protected
83      FIntegerType: TItemDataType;
84      FError: boolean;
# Line 86 | Line 86 | type
86      FItems: array of POutputBlockItemData;
87      procedure DoParseBuffer; virtual; abstract;
88      function AddItem(BufPtr: PByte): POutputBlockItemData;
89 <    function AddIntegerItem(BufPtr: PByte): POutputBlockItemData;
89 >    function AddIntegerItem(BufPtr: PByte; IntType: TItemDataType): POutputBlockItemData; overload;
90 >    function AddIntegerItem(BufPtr: PByte): POutputBlockItemData; overload;
91      function AddStringItem(BufPtr: PByte): POutputBlockItemData;
92      function AddShortStringItem(BufPtr: PByte): POutputBlockItemData;
93      function AddByteItem(BufPtr: PByte): POutputBlockItemData;
# Line 96 | Line 97 | type
97      function AddDateTimeItem(BufPtr: PByte): POutputBlockItemData;
98      function AddOctetString(BufPtr: PByte): POutputBlockItemData;
99    public
100 <    constructor Create(aSize: integer = DefaultBufferSize);
100 >    constructor Create(api: TFBClientAPI; aSize: integer = DefaultBufferSize);
101      destructor Destroy; override;
102      function Buffer: PByte;
103      function getBufSize: integer;
# Line 105 | Line 106 | type
106      function GetCount: integer;
107      function GetItem(index: integer): POutputBlockItemData;
108      function Find(ItemType: byte): POutputBlockItemData;
109 +    procedure PrintBuf;
110      property Count: integer read GetCount;
111      property Items[index: integer]: POutputBlockItemData read getItem; default;
112    end;
# Line 117 | Line 119 | type
119      FOwnerIntf: IUnknown;
120      FItemData: POutputBlockItemData;
121    protected
122 +    FFirebirdClientAPI: TFBClientAPI;
123      function GetItem(index: integer): POutputBlockItemData;
124      function Find(ItemType: byte): POutputBlockItemData;
125      procedure SetString(out S: AnsiString; Buf: PByte; Len: integer;
# Line 130 | Line 133 | type
133      function getItemType: byte;
134      function getSize: integer;
135      procedure getRawBytes(var Buffer);
136 <    function getAsInteger: integer;
136 >    function getAsInteger: int64;
137      function getParamType: byte;
138      function getAsString: AnsiString;
139      function getAsByte: byte;
# Line 191 | Line 194 | type
194      function AddSpecialItem(BufPtr: PByte): POutputBlockItemData; override;
195      procedure DoParseBuffer; override;
196    public
197 <    constructor Create(aSize: integer=DBInfoDefaultBufferSize);
197 >    constructor Create(api: TFBClientAPI; aSize: integer = DefaultBufferSize);
198    {$IFNDEF FPC}
199      function Find(ItemType: byte): IDBInfoItem;
200    {$ENDIF}
# Line 223 | Line 226 | type
226      function getItemType: byte;
227      function getSize: integer;
228      function getAsString: AnsiString;
229 <    function getAsInteger: integer;
229 >    function getAsInteger: int64;
230    end;
231  
232    ISQLInfoItem = interface(ISQLInfoSubItem)
# Line 259 | Line 262 | type
262      function AddListItem(BufPtr: PByte): POutputBlockItemData; override;
263      procedure DoParseBuffer; override;
264    public
265 <    constructor Create(aSize: integer = 1024);
265 >    constructor Create(api: TFBClientAPI; aSize: integer= DefaultBufferSize);
266    end;
267  
268    IBlobInfoItem = interface
# Line 267 | Line 270 | type
270       function getItemType: byte;
271       function getSize: integer;
272       function getAsString: AnsiString;
273 <     function getAsInteger: integer;
273 >     function getAsInteger: int64;
274     end;
275  
276    IBlobInfo = interface
# Line 295 | Line 298 | type
298    protected
299      procedure DoParseBuffer; override;
300    public
301 <    constructor Create(aSize: integer=DBInfoDefaultBufferSize);
301 >    constructor Create(api: TFBClientAPI; aSize: integer = DefaultBufferSize);
302    end;
303  
304   implementation
305  
306   uses FBMessages {$IFNDEF FPC}, TypInfo {$ENDIF};
307  
308 + function BufToStr(P: PByte; Len: integer):AnsiString;
309 + begin
310 +  SetLength(Result,Len);
311 +  Move(P^,Result[1],Len);
312 + end;
313 +
314   {$IFDEF FPC}
315   { TOutputBlockItemGroup }
316  
# Line 403 | Line 412 | begin
412    if (index >= 0) and (index < Length(FItemData^.FSubItems)) then
413      Result := FItemData^.FSubItems[index]
414    else
415 <  with FirebirdClientAPI do
415 >  with FFirebirdClientAPI do
416      IBError(ibxeOutputBlockIndexError,[index]);
417   end;
418  
# Line 424 | Line 433 | end;
433   procedure TOutputBlockItem.SetString(out S: AnsiString; Buf: PByte;
434    Len: integer; CodePage: TSystemCodePage);
435   var rs: RawByteString;
436 +    i: integer;
437   begin
438 <  system.SetString(rs,PAnsiChar(Buf),len);
438 >  {There seems to be a memory manager problem with SetString that can cause
439 >   an unhandled exception at the end of a program if it is used to set the
440 >   string. Safer to copy characters one by one. Note that Setlength does
441 >   not work around the bug either.}
442 >  rs := '';
443 >  for i := 0 to len-1 do
444 >    rs := rs + PAnsiChar(buf+i)^;
445 > //  system.SetString(rs,PAnsiChar(Buf),len);
446    SetCodePage(rs,CodePage,false);
447    S := rs;
448   end;
# Line 436 | Line 453 | begin
453    inherited Create;
454    FOwner := AOwner;
455    FOwnerIntf := AOwner;
456 +  FFirebirdClientAPI := AOwner.FFirebirdClientAPI;
457    FItemData := Data;
458   end;
459  
# Line 458 | Line 476 | begin
476      Move(FBufPtr^,Buffer,FDatalength);
477   end;
478  
479 < function TOutputBlockItem.getAsInteger: integer;
479 > function TOutputBlockItem.getAsInteger: int64;
480   var len: integer;
481   begin
482    with FItemData^ do
483    case FDataType of
484    dtIntegerFixed:
485 <    with FirebirdClientAPI do
485 >    with FFirebirdClientAPI do
486        Result := DecodeInteger(FBufPtr+1,4);
487  
488 +  dtShortIntFixed:
489 +    with FFirebirdClientAPI do
490 +      Result := DecodeInteger(FBufPtr+1,2);
491 +
492 +  dtTinyInteger:
493 +    with FFirebirdClientAPI do
494 +    begin
495 +      len := DecodeInteger(FBufPtr+1,1);
496 +      Result := DecodeInteger(FBufPtr+2,len);
497 +    end;
498 +
499    dtByte,
500    dtInteger:
501 <    with FirebirdClientAPI do
501 >    with FFirebirdClientAPI do
502      begin
503        len := DecodeInteger(FBufPtr+1,2);
504        Result := DecodeInteger(FBufPtr+3,len);
# Line 490 | Line 519 | begin
519    Result := '';
520    with FItemData^ do
521    case FDataType of
522 +  dtIntegerFixed,
523    dtInteger:
524      Result := IntToStr(getAsInteger);
525    dtByte:
# Line 501 | Line 531 | begin
531      end;
532    dtString2:
533      begin
534 <      with FirebirdClientAPI do
534 >      with FFirebirdClientAPI do
535          len := DecodeInteger(FBufPtr+1,2);
536        SetString(Result,FBufPtr+3,len,CP_ACP);
537      end;
538    dtOctetString:
539      begin
540 <      with FirebirdClientAPI do
540 >      with FFirebirdClientAPI do
541          len := DecodeInteger(FBufPtr+1,2);
542        SetString(Result,FBufPtr+3,len,CP_NONE);
543      end;
# Line 548 | Line 578 | function TOutputBlockItem.getAsDateTime:
578   var aDate: integer;
579      aTime: integer;
580   begin
581 <  with FItemData^, FirebirdClientAPI do
581 >  with FItemData^, FFirebirdClientAPI do
582    if FDataType = dtDateTime then
583    begin
584      aDate := DecodeInteger(FBufPtr+3,4);
# Line 575 | Line 605 | begin
605        end;
606      dtString2:
607        begin
608 <        with FirebirdClientAPI do
608 >        with FFirebirdClientAPI do
609            len := DecodeInteger(FBufPtr+1,2);
610          if (count > 0) and (count < len) then len := count;
611          Result := stream.Write((FBufPtr+3)^,len);
# Line 618 | Line 648 | begin
648    end;
649   end;
650  
651 < function TOutputBlock.AddIntegerItem(BufPtr: PByte): POutputBlockItemData;
651 > function TOutputBlock.AddIntegerItem(BufPtr: PByte; IntType: TItemDataType
652 >  ): POutputBlockItemData;
653   begin
654    new(Result);
655    with Result^ do
656    begin
657 <    FDataType := FIntegerType;
657 >    FDataType := IntType;
658      FBufPtr := BufPtr;
659 <    if FDataType = dtIntegerFixed then
660 <    begin
661 <      FDataLength := 4;
662 <      FSize := 5;
663 <    end
664 <    else
665 <    begin
666 <      with FirebirdClientAPI do
667 <        FDataLength := DecodeInteger(FBufPtr+1, 2);
668 <      FSize := FDataLength + 3;
659 >    case FDataType of
660 >      dtIntegerFixed:
661 >      begin
662 >        FDataLength := 4;
663 >        FSize := 5;
664 >      end;
665 >
666 >      dtShortIntFixed:
667 >      begin
668 >        FDataLength := 2;
669 >        FSize := 3;
670 >      end;
671 >
672 >      dtTinyInteger:
673 >      begin
674 >        with FFirebirdClientAPI do
675 >          FDataLength := DecodeInteger(FBufPtr+1, 1);
676 >        FSize := FDataLength + 2;
677 >      end;
678 >
679 >      else
680 >      begin
681 >        with FFirebirdClientAPI do
682 >          FDataLength := DecodeInteger(FBufPtr+1, 2);
683 >        FSize := FDataLength + 3;
684 >      end;
685      end;
686      SetLength(FSubItems,0);
687    end;
688   end;
689  
690 + function TOutputBlock.AddIntegerItem(BufPtr: PByte): POutputBlockItemData;
691 + begin
692 +  Result := AddIntegerItem(BufPtr,FIntegerType);
693 + end;
694 +
695   function TOutputBlock.AddStringItem(BufPtr: PByte): POutputBlockItemData;
696   begin
697    new(Result);
# Line 647 | Line 699 | begin
699    begin
700      FDataType := dtString2;
701      FBufPtr := BufPtr;
702 <    with FirebirdClientAPI do
702 >    with FFirebirdClientAPI do
703        FDataLength := DecodeInteger(FBufPtr+1, 2);
704      FSize := FDataLength + 3;
705      SetLength(FSubItems,0);
# Line 687 | Line 739 | begin
739    begin
740      FDataType := dtBytes;
741      FBufPtr := BufPtr;
742 <    with FirebirdClientAPI do
742 >    with FFirebirdClientAPI do
743        FDataLength := DecodeInteger(FBufPtr+1, 2);
744      FSize := FDataLength + 3;
745      SetLength(FSubItems,0);
# Line 727 | Line 779 | begin
779    begin
780      FDataType := dtDateTime;
781      FBufPtr := BufPtr;
782 <    with FirebirdClientAPI do
782 >    with FFirebirdClientAPI do
783        FDataLength := DecodeInteger(FBufPtr+1, 2);
784      FSize := FDataLength + 3;
785      SetLength(FSubItems,0);
# Line 741 | Line 793 | begin
793    begin
794      FDataType := dtOctetString;
795      FBufPtr := BufPtr;
796 <    with FirebirdClientAPI do
796 >    with FFirebirdClientAPI do
797        FDataLength := DecodeInteger(FBufPtr+1, 2);
798      FSize := FDataLength + 3;
799      SetLength(FSubItems,0);
800    end;
801   end;
802  
803 < constructor TOutputBlock.Create(aSize: integer);
803 > constructor TOutputBlock.Create(api: TFBClientAPI; aSize: integer);
804   begin
805    inherited Create;
806 +  FFirebirdClientAPI := api;
807    FBufSize := aSize;
808    GetMem(FBuffer,aSize);
809    if FBuffer = nil then
# Line 765 | Line 818 | var i, j: integer;
818   begin
819    for i := 0 to length(FItems) - 1 do
820    begin
821 <    for j := 0 to Length(FItems[i]^.FSubItems) -1 do
822 <      dispose(FItems[i]^.FSubItems[j]);
823 <    dispose(FItems[i]);
821 >    if FItems[i] <> nil then
822 >    begin
823 >      for j := 0 to Length(FItems[i]^.FSubItems) -1 do
824 >        if FItems[i]^.FSubItems[j] <> nil then
825 >          dispose(FItems[i]^.FSubItems[j]);
826 >      dispose(FItems[i]);
827 >    end;
828    end;
829    FreeMem(FBuffer);
830    inherited Destroy;
# Line 843 | Line 900 | begin
900      else
901        begin
902          item := TOutputBlockItem.Create(self,(aItems[i]));
903 <        writeln(Indent,'ItemType = ',byte(FBufPtr^),' Value = ',(item as TOutputBlockItem).GetAsString);
903 >        try
904 >          writeln(Indent,'ItemType = ',byte(FBufPtr^),' Value = ',(item as TOutputBlockItem).GetAsString);
905 >        except
906 >          writeln(Indent,'Unknown ItemType = ',byte(FBufPtr^));
907 >        end;
908        end;
909      end;
910    end;
# Line 856 | Line 917 | begin
917    write(classname,': ');
918    for i := 0 to getBufSize - 1 do
919    begin
920 +    if byte(FBuffer[i]) = $FF then break;
921      write(Format('%x ',[byte(Buffer[i])]));
922 <    if byte(FBuffer[i]) = isc_info_end then break;
922 > //    if byte(FBuffer[i]) = isc_info_end then break;
923 >  end;
924 >  writeln;
925 >  for i := 0 to getBufSize - 1 do
926 >  begin
927 >    if byte(FBuffer[i]) = $FF then break;
928 >    if chr(FBuffer[i]) in [' '..'~'] then
929 >      write(chr(Buffer[i]))
930 >    else
931 >      write('.');
932 > //    if byte(FBuffer[i]) = isc_info_end then break;
933    end;
934    writeln;
935   end;
# Line 933 | Line 1005 | begin
1005      SetLength(Result,TableCounts);
1006      P := FBufPtr + 3;
1007      for i := 0 to TableCounts -1 do
1008 <    with FirebirdClientAPI do
1008 >    with FFirebirdClientAPI do
1009      begin
1010        Result[i].TableID := DecodeInteger(P,2);
1011        Inc(P,2);
# Line 952 | Line 1024 | begin
1024    Result := inherited AddSpecialItem(BufPtr);
1025    with Result^ do
1026    begin
1027 <    with FirebirdClientAPI do
1027 >    with FFirebirdClientAPI do
1028        FDataLength := DecodeInteger(FBufPtr+1,2);
1029      FSize := FDataLength + 3;
1030    end;
# Line 986 | Line 1058 | begin
1058      isc_info_reads,
1059      isc_info_writes,
1060      isc_info_active_tran_count,
1061 +    isc_info_attachment_id,
1062      fb_info_pages_used,
1063      fb_info_pages_free,
1064      fb_info_conn_flags:
# Line 1034 | Line 1107 | begin
1107   end;
1108   {$ENDIF}
1109  
1110 < constructor TDBInformation.Create(aSize: integer);
1110 > constructor TDBInformation.Create(api: TFBClientAPI; aSize: integer);
1111   begin
1112 <  inherited Create(aSize);
1112 >  inherited Create(api,aSize);
1113    FIntegerType := dtInteger;
1114   end;
1115  
# Line 1053 | Line 1126 | begin
1126    group := byte(BufPtr^);
1127    if group in [isc_info_svc_get_users,isc_info_svc_limbo_trans] then
1128    begin
1129 <    with FirebirdClientAPI do
1129 >    with FFirebirdClientAPI do
1130         Result^.FSize := DecodeInteger(P,2) + 3;
1131      Inc(P,2);
1132    end;
# Line 1062 | Line 1135 | begin
1135      while (P < FBufPtr + FSize) and (P^ <> isc_info_flag_end) do
1136      begin
1137        SetLength(FSubItems,i+1);
1138 +      FSubItems[i] := nil;
1139        case group of
1140        isc_info_svc_svr_db_info:
1141          case integer(P^) of
# Line 1073 | Line 1147 | begin
1147              FSubItems[i] := AddStringItem(P);
1148  
1149            else
1150 <            IBError(ibxeOutputParsingError, [integer(P^)]);
1150 >            IBError(ibxeOutputParsingError, [integer(P^),BufToStr(P,FSize - (P-FBufPtr))]);
1151            end;
1152  
1153        isc_info_svc_get_license:
# Line 1082 | Line 1156 | begin
1156          isc_spb_lic_key:
1157            FSubItems[i] := AddIntegerItem(P);
1158          else
1159 <          IBError(ibxeOutputParsingError, [integer(P^)]);
1159 >          IBError(ibxeOutputParsingError, [integer(P^),BufToStr(P,FSize - (P-FBufPtr))]);
1160          end;
1161  
1162        isc_info_svc_limbo_trans:
# Line 1101 | Line 1175 | begin
1175         isc_spb_tra_state:
1176           FSubItems[i] := AddByteItem(P);
1177         else
1178 <         IBError(ibxeOutputParsingError, [integer(P^)]);
1178 >         IBError(ibxeOutputParsingError, [integer(P^),BufToStr(P,FSize - (P-FBufPtr))]);
1179         end;
1180  
1181        isc_info_svc_get_users:
# Line 1119 | Line 1193 | begin
1193            FSubItems[i] := AddStringItem(P);
1194  
1195          else
1196 <          IBError(ibxeOutputParsingError, [integer(P^)]);
1196 >          IBError(ibxeOutputParsingError, [integer(P^),BufToStr(P,FSize - (P-FBufPtr))]);
1197          end;
1198  
1199        end;
# Line 1147 | Line 1221 | begin
1221    Result := inherited AddSpecialItem(BufPtr);
1222    with Result^ do
1223    begin
1224 <    with FirebirdClientAPI do
1224 >    with FFirebirdClientAPI do
1225        FDataLength := DecodeInteger(FBufPtr+1, 2);
1226  
1227      P := FBufPtr + 3; {skip length bytes}
# Line 1170 | Line 1244 | begin
1244    while  (P < Buffer + getBufSize) and (P^ <> isc_info_end) do
1245    begin
1246      SetLength(FItems,i+1);
1247 +    FItems[i] := nil;
1248      case integer(P^) of
1249      isc_info_svc_line,
1250      isc_info_svc_get_env,
# Line 1204 | Line 1279 | begin
1279  
1280  
1281      else
1282 <       IBError(ibxeOutputParsingError, [integer(P^)]);
1282 >       IBError(ibxeOutputParsingError, [integer(P^),BufToStr(P,getBufSize - (P-Buffer))]);
1283      end;
1284      P := P + FItems[i]^.FSize;
1285      Inc(i);
# Line 1232 | Line 1307 | begin
1307  
1308    if byte(BufPtr^) = isc_info_sql_records then
1309    begin
1310 <    with FirebirdClientAPI do
1310 >    with FFirebirdClientAPI do
1311        Result^.FSize := DecodeInteger(P,2) + 3;
1312      Inc(P,2);
1313      with Result^ do
# Line 1308 | Line 1383 | begin
1383    end;
1384   end;
1385  
1386 < constructor TSQLInfoResultsBuffer.Create(aSize: integer);
1386 > constructor TSQLInfoResultsBuffer.Create(api: TFBClientAPI; aSize: integer);
1387   begin
1388 <  inherited Create(aSize);
1388 >  inherited Create(api,aSize);
1389    FIntegerType := dtInteger;
1390   end;
1391  
# Line 1340 | Line 1415 | begin
1415    end;
1416   end;
1417  
1418 < constructor TBlobInfo.Create(aSize: integer);
1418 > constructor TBlobInfo.Create(api: TFBClientAPI; aSize: integer);
1419   begin
1420 <  inherited Create(aSize);
1420 >  inherited Create(api,aSize);
1421    FIntegerType := dtInteger;
1422   end;
1423  

Comparing:
ibx/trunk/fbintf/client/FBOutputBlock.pas (property svn:eol-style), Revision 143 by tony, Fri Feb 23 12:11:21 2018 UTC vs.
ibx/branches/udr/client/FBOutputBlock.pas (property svn:eol-style), Revision 379 by tony, Mon Jan 10 10:08:03 2022 UTC

# Line 0 | Line 1
1 + native

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines