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root/public/ibx/trunk/fbintf/client/2.5/FB25ClientAPI.pas
Revision: 263
Committed: Thu Dec 6 15:55:01 2018 UTC (5 years, 11 months ago) by tony
Content type: text/x-pascal
File size: 25974 byte(s)
Log Message: 
Release 2.3.2 committed

File Contents

# User Rev Content
1 tony 45 (*
2     * Firebird Interface (fbintf). The fbintf components provide a set of
3     * Pascal language bindings for the Firebird API. Although predominantly
4     * a new development they include source code taken from IBX and may be
5     * considered a derived product. This software thus also includes the copyright
6     * notice and license conditions from IBX.
7     *
8     * Except for those parts dervied from IBX, contents of this file are subject
9     * to the Initial Developer's Public License Version 1.0 (the "License"); you
10     * may not use this file except in compliance with the License. You may obtain a
11     * copy of the License here:
12     *
13     * http://www.firebirdsql.org/index.php?op=doc&id=idpl
14     *
15     * Software distributed under the License is distributed on an "AS
16     * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
17     * implied. See the License for the specific language governing rights
18     * and limitations under the License.
19     *
20     * The Initial Developer of the Original Code is Tony Whyman.
21     *
22     * The Original Code is (C) 2016 Tony Whyman, MWA Software
23     * (http://www.mwasoftware.co.uk).
24     *
25     * All Rights Reserved.
26     *
27     * Contributor(s): ______________________________________.
28     *
29     *)
30     {************************************************************************}
31     { }
32     { Borland Delphi Visual Component Library }
33     { InterBase Express core components }
34     { }
35     { Copyright (c) 1998-2000 Inprise Corporation }
36     { }
37     { InterBase Express is based in part on the product }
38     { Free IB Components, written by Gregory H. Deatz for }
39     { Hoagland, Longo, Moran, Dunst & Doukas Company. }
40     { Free IB Components is used under license. }
41     { }
42     { The contents of this file are subject to the InterBase }
43     { Public License Version 1.0 (the "License"); you may not }
44     { use this file except in compliance with the License. You }
45     { may obtain a copy of the License at http://www.Inprise.com/IPL.html }
46     { Software distributed under the License is distributed on }
47     { an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either }
48     { express or implied. See the License for the specific language }
49     { governing rights and limitations under the License. }
50     { The Original Code was created by InterBase Software Corporation }
51     { and its successors. }
52     { Portions created by Inprise Corporation are Copyright (C) Inprise }
53     { Corporation. All Rights Reserved. }
54     { Contributor(s): Jeff Overcash }
55     { }
56     { IBX For Lazarus (Firebird Express) }
57     { Contributor: Tony Whyman, MWA Software http://www.mwasoftware.co.uk }
58     { Portions created by MWA Software are copyright McCallum Whyman }
59     { Associates Ltd 2011 - 2015 }
60     { }
61     {************************************************************************}
62     unit FB25ClientAPI;
63 tony 56 {$IFDEF MSWINDOWS}
64     {$DEFINE WINDOWS}
65     {$ENDIF}
66 tony 45
67     {$IFDEF FPC}
68     {$mode delphi}
69     {$interfaces COM}
70     {$ENDIF}
71    
72     interface
73    
74     uses
75     Classes, SysUtils, FBClientAPI, IBHeader, IBExternals, IB;
76    
77     const
78     FBClientInterfaceVersion = '2.5';
79    
80     type
81    
82     { TFB25Status }
83    
84     TFB25Status = class(TFBStatus,IStatus)
85     public
86     function StatusVector: PStatusVector; override;
87     end;
88    
89     { TFB25ClientAPI }
90    
91     TFB25ClientAPI = class(TFBClientAPI,IFirebirdAPI)
92     private
93     FIBServiceAPIPresent: boolean;
94     FStatus: TFB25Status;
95     FStatusIntf: IStatus; {Keep a reference to the interface - automatic destroy
96     when this class is freed and last reference to IStatus
97     goes out of scope.}
98 tony 263 public
99     constructor Create(aFBLibrary: TFBLibrary);
100     destructor Destroy; override;
101     function StatusVector: PISC_STATUS;
102     function LoadInterface: boolean; override;
103     function GetAPI: IFirebirdAPI; override;
104 tony 45 {$IFDEF UNIX}
105     function GetFirebirdLibList: string; override;
106     {$ENDIF}
107     property IBServiceAPIPresent: boolean read FIBServiceAPIPresent;
108     property Status: TFB25Status read FStatus;
109    
110     public
111    
112     {fbclient API}
113     BLOB_get: TBLOB_get;
114     BLOB_put: TBLOB_put;
115     isc_wait_for_event: Tisc_wait_for_event;
116     isc_vax_integer: Tisc_vax_integer;
117     isc_portable_integer: Tisc_portable_integer;
118     isc_blob_info: Tisc_blob_info;
119     isc_blob_lookup_desc: Tisc_blob_lookup_desc;
120     isc_open_blob2: Tisc_open_blob2;
121     isc_close_blob: Tisc_close_blob;
122     isc_get_segment: Tisc_get_segment;
123     isc_put_segment: Tisc_put_segment;
124     isc_create_blob2: Tisc_create_blob2;
125     isc_cancel_blob: Tisc_cancel_blob;
126     isc_service_attach: Tisc_service_attach;
127     isc_service_detach: Tisc_service_detach;
128     isc_service_query: Tisc_service_query;
129     isc_service_start: Tisc_service_start;
130     isc_decode_date: Tisc_decode_date;
131     isc_decode_sql_date: Tisc_decode_sql_date;
132     isc_decode_sql_time: Tisc_decode_sql_time;
133     isc_decode_timestamp: Tisc_decode_timestamp;
134     isc_encode_date: Tisc_encode_date;
135     isc_encode_sql_date: Tisc_encode_sql_date;
136     isc_encode_sql_time: Tisc_encode_sql_time;
137     isc_encode_timestamp: Tisc_encode_timestamp;
138     isc_dsql_free_statement: Tisc_dsql_free_statement;
139     isc_dsql_execute2: Tisc_dsql_execute2;
140     isc_dsql_execute: Tisc_dsql_execute;
141     isc_dsql_set_cursor_name: Tisc_dsql_set_cursor_name;
142     isc_dsql_fetch: Tisc_dsql_fetch;
143     isc_dsql_sql_info: Tisc_dsql_sql_info;
144     isc_dsql_alloc_statement2: Tisc_dsql_alloc_statement2;
145     isc_dsql_prepare: Tisc_dsql_prepare;
146     isc_dsql_describe_bind: Tisc_dsql_describe_bind;
147     isc_dsql_describe: Tisc_dsql_describe;
148     isc_dsql_execute_immediate: Tisc_dsql_execute_immediate;
149     isc_drop_database: Tisc_drop_database;
150     isc_detach_database: Tisc_detach_database;
151     isc_attach_database: Tisc_attach_database;
152     isc_database_info: Tisc_database_info;
153     isc_start_transaction: Tisc_start_transaction;
154     isc_start_multiple: Tisc_start_multiple;
155     isc_commit_transaction: Tisc_commit_transaction;
156     isc_commit_retaining: Tisc_commit_retaining;
157     isc_rollback_transaction: Tisc_rollback_transaction;
158     isc_rollback_retaining: Tisc_rollback_retaining;
159     isc_cancel_events: Tisc_cancel_events;
160     isc_que_events: Tisc_que_events;
161     isc_add_user : Tisc_add_user;
162     isc_delete_user: Tisc_delete_user;
163     isc_modify_user: Tisc_modify_user;
164     isc_array_lookup_bounds: Tisc_array_lookup_bounds;
165     isc_array_get_slice: Tisc_array_get_slice;
166     isc_array_put_slice: Tisc_array_put_slice;
167     isc_prepare_transaction: Tisc_prepare_transaction;
168    
169     public
170     {Helper Functions}
171 tony 56 function DecodeInteger(bufptr: PByte; len: short): integer; override;
172     procedure SQLEncodeDate(aDate: TDateTime; bufptr: PByte); override;
173     function SQLDecodeDate(bufptr: PByte): TDateTime; override;
174     procedure SQLEncodeTime(aTime: TDateTime; bufptr: PByte); override;
175     function SQLDecodeTime(bufptr: PByte): TDateTime; override;
176     procedure SQLEncodeDateTime(aDateTime: TDateTime; bufptr: PByte); override;
177     function SQLDecodeDateTime(bufptr: PByte): TDateTime; override;
178 tony 45
179     public
180     {IFirebirdAPI}
181    
182     {Database connections}
183     function AllocateDPB: IDPB;
184 tony 56 function OpenDatabase(DatabaseName: AnsiString; DPB: IDPB; RaiseExceptionOnConnectError: boolean=true): IAttachment;
185     function CreateDatabase(DatabaseName: AnsiString; DPB: IDPB; RaiseExceptionOnError: boolean=true): IAttachment; overload;
186     function CreateDatabase(sql: AnsiString; aSQLDialect: integer; RaiseExceptionOnError: boolean=true): IAttachment; overload;
187 tony 45
188     {Start Transaction against multiple databases}
189     function AllocateTPB: ITPB;
190     function StartTransaction(Attachments: array of IAttachment;
191     TPB: array of byte; DefaultCompletion: TTransactionCompletion): ITransaction; overload;
192     function StartTransaction(Attachments: array of IAttachment;
193     TPB: ITPB; DefaultCompletion: TTransactionCompletion): ITransaction; overload;
194    
195     {Service Manager}
196     function AllocateSPB: ISPB;
197     function HasServiceAPI: boolean;
198 tony 143 function GetServiceManager(ServerName: AnsiString; Protocol: TProtocol; SPB: ISPB): IServiceManager; overload;
199     function GetServiceManager(ServerName: AnsiString; Port: AnsiString; Protocol: TProtocol; SPB: ISPB): IServiceManager; overload;
200 tony 45
201     {Information}
202     function GetStatus: IStatus; override;
203     function HasRollbackRetaining: boolean;
204     function IsEmbeddedServer: boolean; override;
205 tony 56 function GetImplementationVersion: AnsiString;
206 tony 45
207     {Firebird 3 API}
208     function HasMasterIntf: boolean;
209     function GetIMaster: TObject;
210    
211     end;
212    
213     implementation
214    
215 tony 56 uses FBMessages,
216     {$IFDEF WINDOWS}Windows, {$ENDIF}
217     {$IFDEF FPC} Dynlibs, {$ENDIF}
218     FB25Attachment, FB25Transaction, FB25Services, FBParamBlock,
219 tony 45 IBUtils;
220    
221     { Stubs for 6.0 only functions }
222     function isc_rollback_retaining_stub(status_vector : PISC_STATUS;
223     tran_handle : PISC_TR_HANDLE):
224     ISC_STATUS; {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
225     begin
226     Result := 0;
227     IBError(ibxeIB60feature, ['isc_rollback_retaining']); {do not localize}
228     end;
229    
230     function isc_service_attach_stub(status_vector : PISC_STATUS;
231     isc_arg2 : UShort;
232 tony 56 isc_arg3 : PAnsiChar;
233 tony 45 service_handle : PISC_SVC_HANDLE;
234     isc_arg5 : UShort;
235 tony 56 isc_arg6 : PAnsiChar):
236 tony 45 ISC_STATUS; {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
237     begin
238     Result := 0;
239     IBError(ibxeIB60feature, ['isc_service_attach']); {do not localize}
240     end;
241    
242     function isc_service_detach_stub(status_vector : PISC_STATUS;
243     service_handle : PISC_SVC_HANDLE):
244     ISC_STATUS; {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
245     begin
246     Result := 0;
247     IBError(ibxeIB60feature, ['isc_service_detach']); {do not localize}
248     end;
249    
250     function isc_service_query_stub(status_vector : PISC_STATUS;
251     service_handle : PISC_SVC_HANDLE;
252     recv_handle : PISC_SVC_HANDLE;
253     isc_arg4 : UShort;
254 tony 56 isc_arg5 : PAnsiChar;
255 tony 45 isc_arg6 : UShort;
256 tony 56 isc_arg7 : PAnsiChar;
257 tony 45 isc_arg8 : UShort;
258 tony 56 isc_arg9 : PAnsiChar):
259 tony 45 ISC_STATUS; {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
260     begin
261     Result := 0;
262     IBError(ibxeIB60feature, ['isc_service_query']); {do not localize}
263     end;
264    
265     function isc_service_start_stub(status_vector : PISC_STATUS;
266     service_handle : PISC_SVC_HANDLE;
267     recv_handle : PISC_SVC_HANDLE;
268     isc_arg4 : UShort;
269 tony 56 isc_arg5 : PAnsiChar):
270 tony 45 ISC_STATUS; {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
271     begin
272     Result := 0;
273     IBError(ibxeIB60feature, ['isc_service_start']); {do not localize}
274     end;
275    
276     procedure isc_encode_sql_date_stub(tm_date : PCTimeStructure;
277     ib_date : PISC_DATE);
278     {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
279     begin
280     IBError(ibxeIB60feature, ['isc_encode_sql_date']); {do not localize}
281     end;
282    
283     procedure isc_encode_sql_time_stub(tm_date : PCTimeStructure;
284     ib_time : PISC_TIME);
285     {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
286     begin
287     IBError(ibxeIB60feature, ['isc_encode_sql_time']); {do not localize}
288     end;
289    
290     procedure isc_encode_timestamp_stub(tm_date : PCTimeStructure;
291     ib_timestamp : PISC_TIMESTAMP);
292     {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
293     begin
294     IBError(ibxeIB60feature, ['isc_encode_sql_timestamp']); {do not localize}
295     end;
296    
297     procedure isc_decode_sql_date_stub(ib_date : PISC_DATE;
298     tm_date : PCTimeStructure);
299     {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
300     begin
301     IBError(ibxeIB60feature, ['isc_decode_sql_date']); {do not localize}
302     end;
303    
304     procedure isc_decode_sql_time_stub(ib_time : PISC_TIME;
305     tm_date : PCTimeStructure);
306     {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
307     begin
308     IBError(ibxeIB60feature, ['isc_decode_sql_time']); {do not localize}
309     end;
310    
311     procedure isc_decode_timestamp_stub(ib_timestamp : PISC_TIMESTAMP;
312     tm_date : PCTimeStructure);
313     {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
314     begin
315     IBError(ibxeIB60feature, ['isc_decode_timestamp']); {do not localize}
316     end;
317    
318     { TFB25Status }
319    
320     threadvar
321     FStatusVector: TStatusVector;
322    
323 tony 263 { TFB25ActivityReporter }
324    
325 tony 45 function TFB25Status.StatusVector: PStatusVector;
326     begin
327     Result := @FStatusVector;
328     end;
329    
330    
331     { TFB25ClientAPI }
332    
333     {$IFDEF UNIX}
334     function TFB25ClientAPI.GetFirebirdLibList: string;
335     begin
336     Result := 'libfbembed.so:libfbembed.so.2.5:libfbembed.so.2.1:libfbclient.so:libfbclient.so.2';
337     end;
338     {$ENDIF}
339    
340 tony 263 function TFB25ClientAPI.LoadInterface: boolean;
341 tony 45 begin
342 tony 263 Result := inherited LoadInterface;
343 tony 45 BLOB_get := GetProcAddr('BLOB_get'); {do not localize}
344     BLOB_put := GetProcAddr('BLOB_put'); {do not localize}
345     isc_wait_for_event := GetProcAddr('isc_wait_for_event'); {do not localize}
346     isc_vax_integer := GetProcAddr('isc_vax_integer'); {do not localize}
347     isc_portable_integer := GetProcAddr('isc_portable_integer'); {do not localize}
348     isc_blob_info := GetProcAddr('isc_blob_info'); {do not localize}
349     isc_blob_lookup_desc := GetProcAddr('isc_blob_lookup_desc'); {do not localize}
350     isc_open_blob2 := GetProcAddr('isc_open_blob2'); {do not localize}
351     isc_close_blob := GetProcAddr('isc_close_blob'); {do not localize}
352     isc_get_segment := GetProcAddr('isc_get_segment'); {do not localize}
353     isc_put_segment := GetProcAddr('isc_put_segment'); {do not localize}
354     isc_create_blob2 := GetProcAddr('isc_create_blob2'); {do not localize}
355     isc_cancel_blob := GetProcAddr('isc_cancel_blob'); {do not localize}
356     isc_decode_date := GetProcAddr('isc_decode_date'); {do not localize}
357     isc_encode_date := GetProcAddr('isc_encode_date'); {do not localize}
358     isc_dsql_free_statement := GetProcAddr('isc_dsql_free_statement'); {do not localize}
359     isc_dsql_execute2 := GetProcAddr('isc_dsql_execute2'); {do not localize}
360     isc_dsql_execute := GetProcAddr('isc_dsql_execute'); {do not localize}
361     isc_dsql_set_cursor_name := GetProcAddr('isc_dsql_set_cursor_name'); {do not localize}
362     isc_dsql_fetch := GetProcAddr('isc_dsql_fetch'); {do not localize}
363     isc_dsql_sql_info := GetProcAddr('isc_dsql_sql_info'); {do not localize}
364     isc_dsql_alloc_statement2 := GetProcAddr('isc_dsql_alloc_statement2'); {do not localize}
365     isc_dsql_prepare := GetProcAddr('isc_dsql_prepare'); {do not localize}
366     isc_dsql_describe_bind := GetProcAddr('isc_dsql_describe_bind'); {do not localize}
367     isc_dsql_describe := GetProcAddr('isc_dsql_describe'); {do not localize}
368     isc_dsql_execute_immediate := GetProcAddr('isc_dsql_execute_immediate'); {do not localize}
369     isc_drop_database := GetProcAddr('isc_drop_database'); {do not localize}
370     isc_detach_database := GetProcAddr('isc_detach_database'); {do not localize}
371     isc_attach_database := GetProcAddr('isc_attach_database'); {do not localize}
372     isc_database_info := GetProcAddr('isc_database_info'); {do not localize}
373     isc_start_transaction := GetProcAddr('isc_start_transaction'); {do not localize}
374     isc_start_multiple := GetProcAddr('isc_start_multiple'); {do not localize}
375     isc_commit_transaction := GetProcAddr('isc_commit_transaction'); {do not localize}
376     isc_commit_retaining := GetProcAddr('isc_commit_retaining'); {do not localize}
377     isc_rollback_transaction := GetProcAddr('isc_rollback_transaction'); {do not localize}
378     isc_cancel_events := GetProcAddr('isc_cancel_events'); {do not localize}
379     isc_que_events := GetProcAddr('isc_que_events'); {do not localize}
380     isc_add_user := GetProcAddr('isc_add_user'); {do not localize}
381     isc_delete_user := GetProcAddr('isc_delete_user'); {do not localize}
382     isc_modify_user := GetProcAddr('isc_modify_user'); {do not localize}
383     isc_array_lookup_bounds := GetProcAddr('isc_array_lookup_bounds'); {do not localize}
384     isc_array_get_slice := GetProcAddr('isc_array_get_slice'); {do not localize}
385     isc_array_put_slice := GetProcAddr('isc_array_put_slice'); {do not localize}
386     isc_prepare_transaction := GetProcAddr('isc_prepare_transaction'); {do not localize}
387    
388     FIBServiceAPIPresent := true;
389 tony 263 isc_rollback_retaining := GetProcAddress(FFBLibrary.IBLibrary, 'isc_rollback_retaining'); {do not localize}
390 tony 45 if Assigned(isc_rollback_retaining) then
391     begin
392     isc_service_attach := GetProcAddr('isc_service_attach'); {do not localize}
393     isc_service_detach := GetProcAddr('isc_service_detach'); {do not localize}
394     isc_service_query := GetProcAddr('isc_service_query'); {do not localize}
395     isc_service_start := GetProcAddr('isc_service_start'); {do not localize}
396     isc_decode_sql_date := GetProcAddr('isc_decode_sql_date'); {do not localize}
397     isc_decode_sql_time := GetProcAddr('isc_decode_sql_time'); {do not localize}
398     isc_decode_timestamp := GetProcAddr('isc_decode_timestamp'); {do not localize}
399     isc_encode_sql_date := GetProcAddr('isc_encode_sql_date'); {do not localize}
400     isc_encode_sql_time := GetProcAddr('isc_encode_sql_time'); {do not localize}
401     isc_encode_timestamp := GetProcAddr('isc_encode_timestamp'); {do not localize}
402     end else
403     begin
404     FIBServiceAPIPresent := false;
405     isc_rollback_retaining := @isc_rollback_retaining_stub;
406     isc_service_attach := @isc_service_attach_stub;
407     isc_service_detach := @isc_service_detach_stub;
408     isc_service_query := @isc_service_query_stub;
409     isc_service_start := @isc_service_start_stub;
410     isc_decode_sql_date := @isc_decode_sql_date_stub;
411     isc_decode_sql_time := @isc_decode_sql_time_stub;
412     isc_decode_timestamp := @isc_decode_timestamp_stub;
413     isc_encode_sql_date := @isc_encode_sql_date_stub;
414     isc_encode_sql_time := @isc_encode_sql_time_stub;
415     isc_encode_timestamp := @isc_encode_timestamp_stub;
416     end;
417 tony 263 Result := Result and assigned(isc_attach_database);
418 tony 45 end;
419    
420 tony 263 function TFB25ClientAPI.GetAPI: IFirebirdAPI;
421 tony 45 begin
422 tony 263 Result := self;
423     end;
424    
425     constructor TFB25ClientAPI.Create(aFBLibrary: TFBLibrary);
426     begin
427     inherited Create(aFBLibrary);
428 tony 45 FStatus := TFB25Status.Create(self);
429     FStatusIntf := FStatus;
430     end;
431    
432     destructor TFB25ClientAPI.Destroy;
433     begin
434     FStatusIntf := nil;
435     inherited Destroy;
436     end;
437    
438    
439     function TFB25ClientAPI.StatusVector: PISC_STATUS;
440     begin
441     Result := PISC_STATUS(FStatus.StatusVector);
442     end;
443    
444     function TFB25ClientAPI.GetStatus: IStatus;
445     begin
446     Result := FStatus;
447     end;
448    
449     function TFB25ClientAPI.AllocateDPB: IDPB;
450     begin
451 tony 263 Result := TDPB.Create(self);
452 tony 45 end;
453    
454 tony 56 function TFB25ClientAPI.OpenDatabase(DatabaseName: AnsiString; DPB: IDPB;
455 tony 45 RaiseExceptionOnConnectError: boolean): IAttachment;
456     begin
457 tony 263 Result := TFB25Attachment.Create(self,DatabaseName,DPB,RaiseExceptionOnConnectError);
458 tony 45 if not Result.IsConnected then
459     Result := nil;
460     end;
461    
462 tony 56 function TFB25ClientAPI.CreateDatabase(DatabaseName: AnsiString; DPB: IDPB;
463 tony 45 RaiseExceptionOnError: boolean): IAttachment;
464     begin
465 tony 263 Result := TFB25Attachment.CreateDatabase(self,DatabaseName, DPB, RaiseExceptionOnError );
466 tony 45 if (Result <> nil) and not Result.IsConnected then
467     Result := nil;
468     end;
469    
470 tony 56 function TFB25ClientAPI.CreateDatabase(sql: AnsiString; aSQLDialect: integer;
471 tony 47 RaiseExceptionOnError: boolean): IAttachment;
472     begin
473 tony 263 Result := TFB25Attachment.CreateDatabase(self,sql,aSQLDialect, RaiseExceptionOnError );
474 tony 47 if (Result <> nil) and not Result.IsConnected then
475     Result := nil;
476     end;
477    
478 tony 45 function TFB25ClientAPI.AllocateSPB: ISPB;
479     begin
480 tony 263 Result := TSPB.Create(self);
481 tony 45 end;
482    
483     function TFB25ClientAPI.AllocateTPB: ITPB;
484     begin
485 tony 263 Result := TTPB.Create(self);
486 tony 45 end;
487    
488 tony 56 function TFB25ClientAPI.GetServiceManager(ServerName: AnsiString;
489 tony 45 Protocol: TProtocol; SPB: ISPB): IServiceManager;
490     begin
491     if HasServiceAPI then
492 tony 263 Result := TFB25ServiceManager.Create(self,ServerName,Protocol,SPB)
493 tony 45 else
494     Result := nil;
495     end;
496    
497 tony 143 function TFB25ClientAPI.GetServiceManager(ServerName: AnsiString;
498     Port: AnsiString; Protocol: TProtocol; SPB: ISPB): IServiceManager;
499     begin
500     if HasServiceAPI then
501 tony 263 Result := TFB25ServiceManager.Create(self,ServerName,Protocol,SPB,Port)
502 tony 143 else
503     Result := nil;
504     end;
505    
506 tony 45 function TFB25ClientAPI.StartTransaction(Attachments: array of IAttachment;
507     TPB: array of byte; DefaultCompletion: TTransactionCompletion): ITransaction;
508     begin
509 tony 263 Result := TFB25Transaction.Create(self,Attachments,TPB,DefaultCompletion);
510 tony 45 end;
511    
512     function TFB25ClientAPI.StartTransaction(Attachments: array of IAttachment;
513     TPB: ITPB; DefaultCompletion: TTransactionCompletion): ITransaction;
514     begin
515 tony 263 Result := TFB25Transaction.Create(self,Attachments,TPB,DefaultCompletion);
516 tony 45 end;
517    
518     function TFB25ClientAPI.HasServiceAPI: boolean;
519     begin
520     Result := IBServiceAPIPresent;
521     end;
522    
523     function TFB25ClientAPI.HasRollbackRetaining: boolean;
524     begin
525     Result := assigned(isc_rollback_retaining);
526     end;
527    
528     function TFB25ClientAPI.IsEmbeddedServer: boolean;
529     begin
530     Result := false;
531     {$IFDEF UNIX}
532 tony 263 Result := Pos('libfbembed',FFBLibrary.GetLibraryName) = 1;
533 tony 45 {$ENDIF}
534     {$IFDEF WINDOWS}
535 tony 263 Result := CompareText(FFBLibrary.GetLibraryName,FIREBIRD_EMBEDDED) = 0;
536 tony 45 {$ENDIF}
537     end;
538    
539     function TFB25ClientAPI.HasMasterIntf: boolean;
540     begin
541     Result := false;
542     end;
543    
544     function TFB25ClientAPI.GetIMaster: TObject;
545     begin
546     Result := nil;
547     end;
548    
549 tony 56 function TFB25ClientAPI.GetImplementationVersion: AnsiString;
550 tony 45 begin
551     Result := FBClientInterfaceVersion;
552     end;
553    
554 tony 56 function TFB25ClientAPI.DecodeInteger(bufptr: PByte; len: short): integer;
555 tony 45 begin
556     Result := isc_portable_integer(bufptr,len);
557     end;
558    
559 tony 56 procedure TFB25ClientAPI.SQLEncodeDate(aDate: TDateTime; bufptr: PByte);
560 tony 45 var
561     tm_date: TCTimeStructure;
562     Yr, Mn, Dy: Word;
563     begin
564     DecodeDate(aDate, Yr, Mn, Dy);
565     with tm_date do begin
566     tm_sec := 0;
567     tm_min := 0;
568     tm_hour := 0;
569     tm_mday := Dy;
570     tm_mon := Mn - 1;
571     tm_year := Yr - 1900;
572     end;
573     isc_encode_sql_date(@tm_date, PISC_DATE(bufptr));
574     end;
575    
576 tony 56 function TFB25ClientAPI.SQLDecodeDate(bufptr: PByte): TDateTime;
577 tony 45 var
578     tm_date: TCTimeStructure;
579     begin
580     isc_decode_sql_date(PISC_DATE(bufptr), @tm_date);
581     try
582     result := EncodeDate(Word(tm_date.tm_year + 1900), Word(tm_date.tm_mon + 1),
583     Word(tm_date.tm_mday));
584     except
585     on E: EConvertError do begin
586     IBError(ibxeInvalidDataConversion, [nil]);
587     end;
588     end;
589     end;
590    
591 tony 56 procedure TFB25ClientAPI.SQLEncodeTime(aTime: TDateTime; bufptr: PByte);
592 tony 45 var
593     tm_date: TCTimeStructure;
594     Hr, Mt, S, Ms: Word;
595     begin
596     DecodeTime(aTime, Hr, Mt, S, Ms);
597     with tm_date do begin
598     tm_sec := S;
599     tm_min := Mt;
600     tm_hour := Hr;
601     tm_mday := 0;
602     tm_mon := 0;
603     tm_year := 0;
604     end;
605 tony 263 isc_encode_sql_time(@tm_date, PISC_TIME(bufptr));
606 tony 45 if Ms > 0 then
607     Inc(PISC_TIME(bufptr)^,Ms*10);
608     end;
609    
610 tony 56 function TFB25ClientAPI.SQLDecodeTime(bufptr: PByte): TDateTime;
611 tony 45 var
612     tm_date: TCTimeStructure;
613     msecs: Word;
614     begin
615     isc_decode_sql_time(PISC_TIME(bufptr), @tm_date);
616     try
617     msecs := (PISC_TIME(bufptr)^ mod 10000) div 10;
618     result := EncodeTime(Word(tm_date.tm_hour), Word(tm_date.tm_min),
619     Word(tm_date.tm_sec), msecs)
620     except
621     on E: EConvertError do begin
622     IBError(ibxeInvalidDataConversion, [nil]);
623     end;
624     end;
625     end;
626    
627 tony 56 procedure TFB25ClientAPI.SQLEncodeDateTime(aDateTime: TDateTime; bufptr: PByte);
628 tony 45 var
629     tm_date: TCTimeStructure;
630     Yr, Mn, Dy, Hr, Mt, S, Ms: Word;
631     begin
632     DecodeDate(aDateTime, Yr, Mn, Dy);
633     DecodeTime(aDateTime, Hr, Mt, S, Ms);
634     with tm_date do begin
635     tm_sec := S;
636     tm_min := Mt;
637     tm_hour := Hr;
638     tm_mday := Dy;
639     tm_mon := Mn - 1;
640     tm_year := Yr - 1900;
641     end;
642     isc_encode_date(@tm_date, PISC_QUAD(bufptr));
643     if Ms > 0 then
644     Inc(PISC_TIMESTAMP(bufptr)^.timestamp_time,Ms*10);
645     end;
646    
647 tony 56 function TFB25ClientAPI.SQLDecodeDateTime(bufptr: PByte): TDateTime;
648 tony 45 var
649     tm_date: TCTimeStructure;
650     msecs: Word;
651     begin
652     isc_decode_date(PISC_QUAD(bufptr), @tm_date);
653     try
654     result := EncodeDate(Word(tm_date.tm_year + 1900), Word(tm_date.tm_mon + 1),
655     Word(tm_date.tm_mday));
656     msecs := (PISC_TIMESTAMP(bufptr)^.timestamp_time mod 10000) div 10;
657     if result >= 0 then
658     result := result + EncodeTime(Word(tm_date.tm_hour), Word(tm_date.tm_min),
659     Word(tm_date.tm_sec), msecs)
660     else
661     result := result - EncodeTime(Word(tm_date.tm_hour), Word(tm_date.tm_min),
662     Word(tm_date.tm_sec), msecs)
663     except
664     on E: EConvertError do begin
665     IBError(ibxeInvalidDataConversion, [nil]);
666     end;
667     end;
668     end;
669    
670     end.
671    
672 tony 56