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(*
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* IBX For Lazarus (Firebird Express)
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*
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* The contents of this file are subject to the Initial Developer's
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* Public License Version 1.0 (the "License"); you may not use this
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* file except in compliance with the License. You may obtain a copy
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* of the License here:
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*
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* http://www.firebirdsql.org/index.php?op=doc&id=idpl
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing rights
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* and limitations under the License.
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*
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* The Initial Developer of the Original Code is Tony Whyman.
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*
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* The Original Code is (C) 2015 Tony Whyman, MWA Software
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* (http://www.mwasoftware.co.uk).
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*
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* All Rights Reserved.
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*
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* Contributor(s): ______________________________________.
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*
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*)
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unit MainFormUnit;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, StdCtrls,
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ActnList, Menus, IBServices, IB;
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type
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TRunServiceProc = procedure of object;
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{ TMainForm }
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TMainForm = class(TForm)
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IBConfigService1: TIBConfigService;
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MenuItem6: TMenuItem;
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Shutdown: TAction;
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BringOnline: TAction;
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MenuItem1: TMenuItem;
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MenuItem5: TMenuItem;
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Sweep: TAction;
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LimboTransactions: TAction;
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MenuItem2: TMenuItem;
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MenuItem3: TMenuItem;
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MenuItem4: TMenuItem;
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PopupMenu1: TPopupMenu;
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Validate: TAction;
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Statistics: TAction;
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ActionList1: TActionList;
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CLoseBtn: TButton;
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BackupBtn: TButton;
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RestoreBtn: TButton;
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ServerLOgBtn: TButton;
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DatabaseBtn: TButton;
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UsersBtn: TButton;
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IBLogService1: TIBLogService;
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IBOnlineValidationService1: TIBOnlineValidationService;
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IBServerProperties1: TIBServerProperties;
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IBStatisticalService1: TIBStatisticalService;
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IBValidationService1: TIBValidationService;
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Memo1: TMemo;
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procedure BringOnlineExecute(Sender: TObject);
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procedure BringOnlineUpdate(Sender: TObject);
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procedure CLoseBtnClick(Sender: TObject);
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procedure BackupBtnClick(Sender: TObject);
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procedure RestoreBtnClick(Sender: TObject);
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procedure ServerLOgBtnClick(Sender: TObject);
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procedure DatabaseBtnClick(Sender: TObject);
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procedure ShutdownExecute(Sender: TObject);
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procedure SweepExecute(Sender: TObject);
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procedure UsersBtnClick(Sender: TObject);
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procedure FormShow(Sender: TObject);
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procedure IBServerProperties1Login(Service: TIBCustomService;
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LoginParams: TStrings);
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procedure AltSecDBLogin(Service: TIBCustomService;
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LoginParams: TStrings);
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procedure LimboTransactionsExecute(Sender: TObject);
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procedure StatisticsExecute(Sender: TObject);
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procedure ValidateExecute(Sender: TObject);
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private
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{ private declarations }
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FValidationService: TIBControlAndQueryService;
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FDBName: string;
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FServerUserName: string;
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FServerPassword: string;
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FShutDownMode: TShutdownMode;
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FDelay: integer;
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procedure SetDBName(AValue: string);
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procedure UseServerLogin;
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function RunService(aService: TIBCustomService; RunProc: TRunServiceProc
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): boolean;
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procedure RunShowStatistics;
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procedure RunValidation;
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procedure RunLimboTransactions;
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procedure RunSweep;
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procedure RunBringOnline;
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procedure RunShutdown;
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property DBName: string read FDBName write SetDBName;
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public
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{ public declarations }
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function IsDatabaseOnline: boolean;
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end;
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var
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MainForm: TMainForm;
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implementation
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{$R *.lfm}
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uses IBErrorCodes, FBMessages, ServicesLoginDlgUnit, SelectValidationDlgUnit, SelectDBDlgUnit,
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BackupDlgUnit, RestoreDlgUnit, ListUsersUnit, LimboTransactionsUnit, AltDBSvcLoginDlgUnit,
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ShutdownDatabaseDlgUnit, ShutdownRegDlgUnit;
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resourcestring
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sDBSweep = 'Database sweep started';
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sSweepOK = 'Sweep successfully completed';
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{ TMainForm }
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procedure TMainForm.FormShow(Sender: TObject);
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var i: integer;
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begin
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{Set IB Exceptions to only show text message - omit SQLCode and Engine Code}
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FirebirdAPI.GetStatus.SetIBDataBaseErrorMessages([ShowIBMessage]);
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RestoreDlg.IBRestoreService1.DatabaseName.Clear;
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RestoreDlg.IBRestoreService1.DatabaseName.Add(GetTempDir + 'mytest.fdb');
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FDBName := IBStatisticalService1.DatabaseName;
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with IBServerProperties1 do
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begin
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while not Active do
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begin
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try
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Active := true;
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except
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on E:EIBClientError do
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begin
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Close;
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Exit
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end;
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On E:Exception do
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MessageDlg(E.Message,mtError,[mbOK],0);
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end;
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end; {Loop until logged in or user cancels}
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{Display the server properties}
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FetchVersionInfo;
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Memo1.Lines.Add('Server Version = ' + VersionInfo.ServerVersion);
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Memo1.Lines.Add('Server Implementation = ' + VersionInfo.ServerImplementation);
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Memo1.Lines.Add('Service Version = ' + IntToStr(VersionInfo.ServiceVersion));
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Memo1.Lines.Add(Format('Firebird Release = %d.%d.%d (Build no. %d)',[ServerVersionNo[1],
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ServerVersionNo[2],
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ServerVersionNo[3],
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ServerVersionNo[4]]));
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FetchDatabaseInfo;
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Memo1.Lines.Add('No. of attachments = ' + IntToStr(DatabaseInfo.NoOfAttachments));
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Memo1.Lines.Add('No. of databases = ' + IntToStr(DatabaseInfo.NoOfDatabases));
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for i := 0 to DatabaseInfo.NoOfDatabases - 1 do
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Memo1.Lines.Add('DB Name = ' + DatabaseInfo.DbName[i]);
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FetchConfigParams;
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Memo1.Lines.Add('Base Location = ' + ConfigParams.BaseLocation);
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Memo1.Lines.Add('Lock File Location = ' + ConfigParams.LockFileLocation);
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Memo1.Lines.Add('Security Database Location = ' + ConfigParams.SecurityDatabaseLocation);
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Memo1.Lines.Add('Message File Location = ' + ConfigParams.MessageFileLocation);
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for i := Low(ConfigParams.ConfigFileParams) to High(ConfigParams.ConfigFileParams) do
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writeln(ConfigParams.ConfigFileParams[i]);
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for i := Low(ConfigParams.ConfigFileData.ConfigFileKey) to High(ConfigParams.ConfigFileData.ConfigFileKey) do
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writeln(ConfigParams.ConfigFileData.ConfigFileKey[i],' = ',ConfigParams.ConfigFileData.ConfigFileValue[i]);
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end;
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IBServerProperties1.OnLogin := @AltSecDBLogin;
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{Leave IBServerProperties1 as active and use this as the common service interface}
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end;
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{This is the initial logon to the default security database on the server}
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procedure TMainForm.IBServerProperties1Login(Service: TIBCustomService;
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LoginParams: TStrings);
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var aServiceName: string;
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aUserName: string;
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aPassword: string;
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begin
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aServiceName := Service.ServerName;
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aUserName := LoginParams.Values['user_name'];
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aPassword := '';
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if SvcLoginDlg.ShowModal(aServiceName, aUserName, aPassword) = mrOK then
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begin
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Service.ServerName := aServiceName;
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LoginParams.Values['user_name'] := aUserName;
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LoginParams.Values['password'] := aPassword;
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FServerUserName := aUserName;
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FServerPassword := aPassword;
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end
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else
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IBError(ibxeOperationCancelled, [nil]);
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end;
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{This is the login dialog for a alt. security database}
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procedure TMainForm.AltSecDBLogin(Service: TIBCustomService;
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LoginParams: TStrings);
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var aServiceName: string;
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aUserName: string;
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aPassword: string;
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begin
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aServiceName := Service.ServerName;
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aUserName := LoginParams.Values['user_name'];
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aPassword := '';
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if AltDBSvcLoginDlg.ShowModal(aServiceName, aUserName, aPassword) = mrOK then
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begin
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Service.ServerName := aServiceName;
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LoginParams.Values['user_name'] := aUserName;
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LoginParams.Values['password'] := aPassword;
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end
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else
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IBError(ibxeOperationCancelled, [nil]);
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end;
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procedure TMainForm.LimboTransactionsExecute(Sender: TObject);
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var aDBName: string;
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begin
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aDBName := DBName;
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with LimboTransactionsForm do
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begin
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if SelectDBDlg.ShowModal(aDBName) = mrOK then
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begin
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DBName := aDBName;
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RunService(LimboTransactionValidation,@RunLimboTransactions);
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end;
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end;
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end;
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procedure TMainForm.StatisticsExecute(Sender: TObject);
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var aDBName: string;
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begin
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aDBName := DBName;
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if SelectDBDlg.ShowModal(aDBName) = mrOK then
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begin
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DBName := aDBName;
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IBStatisticalService1.Options := [DataPages];
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RunService(IBStatisticalService1,@RunShowStatistics);
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end;
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end;
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procedure TMainForm.ValidateExecute(Sender: TObject);
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var UseOnlineValidation: boolean;
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aDBName: string;
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begin
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UseOnlineValidation := false;
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aDBName := DBName;
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if SelectValidationDlg.ShowModal(IBServerProperties1.ServerName,aDBName,UseOnlineValidation) = mrOK then
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begin
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DBName := aDBName;
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if UseOnlineValidation then
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FValidationService := IBOnlineValidationService1
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else
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begin
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FValidationService := IBValidationService1;
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IBValidationService1.Options := [ValidateFull];
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end;
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RunService(FValidationService,@RunValidation);
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end;
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end;
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procedure TMainForm.SetDBName(AValue: string);
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begin
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if FDBName = AValue then Exit;
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UseServerLogin;
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FDBName := AValue;
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end;
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procedure TMainForm.UseServerLogin;
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var index: integer;
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begin
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index := IBServerProperties1.Params.IndexOfName('expected_db');
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if index <> -1 then
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begin
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{Log back in at Server Level}
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IBServerProperties1.Active := false;
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IBServerProperties1.LoginPrompt := false;
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IBServerProperties1.Params.Values['user_name'] := FServerUserName;
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IBServerProperties1.Params.Values['password'] := FServerPassword;
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IBServerProperties1.Params.Delete(index);
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IBServerProperties1.Active := true;
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end;
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end;
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{Common code for launching a service that might need to use and alt. security database}
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function TMainForm.RunService(aService: TIBCustomService; RunProc: TRunServiceProc
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): boolean;
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procedure AltDBLogin;
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var index: integer;
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begin
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with IBServerProperties1 do
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begin
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Active := false;
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LoginPrompt := true;
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Params.Add('expected_db='+DBName);
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index := Params.IndexOfName('password');
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if index <> -1 then
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Params.Delete(index);
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{Now make sure we are logged in}
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while not Active do
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begin
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try
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Active := true;
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except
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on E:EIBClientError do
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raise;
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On E:Exception do
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begin
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MessageDlg(E.Message,mtError,[mbOK],0);
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Active := false;
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end;
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end;
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end; {Loop until logged in or user cancels}
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end;
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end;
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begin
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Result := false;
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if aService is TIBValidationService then
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TIBValidationService(aService).DatabaseName := DBName
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else
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if aService is TIBOnlineValidationService then
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TIBOnlineValidationService(aService).DatabaseName := DBName
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else
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if aService is TIBStatisticalService then
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TIBStatisticalService(aService).DatabaseName := DBName
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else
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if aService is TIBConfigService then
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TIBConfigService(aService).DatabaseName := DBName;
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try
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repeat
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with aService do
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begin
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Active := false;
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Assign(IBServerProperties1);
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end;
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try
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RunProc;
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Result := true;
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except
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on E:EIBClientError do {Typically Login cancelled}
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begin
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MessageDlg(E.Message,mtError,[mbOK],0);
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Exit;
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end;
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on E: EIBInterBaseError do
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if E.IBErrorCode = isc_sec_context then {Need expected_db}
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AltDBLogin
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else
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raise;
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end;
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aService.Active := false;
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until Result;
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except on E:Exception do
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MessageDlg(E.Message,mtError,[mbOK],0);
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end;
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end;
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procedure TMainForm.RunShowStatistics;
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begin
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with IBStatisticalService1 do
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begin
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ServiceStart;
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Memo1.Lines.Add('Database Statistics for ' + IBStatisticalService1.DatabaseName);
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while not Eof do
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begin
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Memo1.Lines.Add(GetNextLine);
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Application.ProcessMessages;
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end;
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end;
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end;
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procedure TMainForm.RunValidation;
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begin
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with FValidationService do
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begin
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ServiceStart;
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Memo1.Lines.Add('Running...');
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while not Eof do
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begin
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Memo1.Lines.Add(GetNextLine);
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Application.ProcessMessages;
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end;
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Memo1.Lines.Add('Validation Completed');
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MessageDlg('Validation Completed',mtInformation,[mbOK],0);
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end;
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end;
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405 |
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procedure TMainForm.RunLimboTransactions;
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begin
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with LimboTransactionsForm do
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begin
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{test access credentials}
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LimboTransactionValidation.ServiceStart;
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LimboTransactionValidation.FetchLimboTransactionInfo;
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ShowModal;
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end;
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end;
|
416 |
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procedure TMainForm.RunSweep;
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var ReportCount: integer;
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begin
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ReportCount := 0;
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with IBValidationService1 do
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begin
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Memo1.Lines.Add(Format(sDBSweep,[DatabaseName]));
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try
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ServiceStart;
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While not Eof do
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427 |
begin
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Inc(ReportCount);
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Memo1.Lines.Add(GetNextLine);
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Application.ProcessMessages;
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end
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finally
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while IsServiceRunning do;
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end
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end;
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Memo1.Lines.Add(sSweepOK);
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end;
|
438 |
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function TMainForm.IsDatabaseOnline: boolean;
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var Line: string;
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begin
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{Scan header page to see if database is online - assumes that service is already set up}
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Result := true;
|
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with IBStatisticalService1 do
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begin
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Assign(IBServerProperties1);
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Options := [HeaderPages];
|
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Active := True;
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449 |
try
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450 |
ServiceStart;
|
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while not Eof do
|
452 |
begin
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453 |
Line := GetNextLine;
|
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if (Pos('Attributes',Line) <> 0) and ((Pos('database shutdown',Line) <> 0)
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or (Pos('multi-user maintenance',Line) <> 0)) then
|
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Result := false;
|
457 |
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end;
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459 |
while IsServiceRunning do;
|
460 |
finally
|
461 |
Active := False;
|
462 |
end
|
463 |
end;
|
464 |
end;
|
465 |
|
466 |
procedure TMainForm.RunBringOnline;
|
467 |
begin
|
468 |
if IsDatabaseOnline then
|
469 |
MessageDlg('Database is already online!',mtInformation,[mbOK],0)
|
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else
|
471 |
begin
|
472 |
IBConfigService1.Assign(IBServerProperties1);
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IBConfigService1.DatabaseName := DBName;
|
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IBConfigService1.BringDatabaseOnline;
|
475 |
while IBConfigService1.IsServiceRunning do;
|
476 |
if IsDatabaseOnline then
|
477 |
MessageDlg('Database is back online',mtInformation,[mbOK],0)
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else
|
479 |
MessageDlg('Database is still shutdown!',mtError,[mbOK],0);
|
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end;
|
481 |
end;
|
482 |
|
483 |
procedure TMainForm.RunShutdown;
|
484 |
begin
|
485 |
if not IsDatabaseOnline then
|
486 |
MessageDlg('Database is already shutdown!',mtInformation,[mbOK],0)
|
487 |
else
|
488 |
begin
|
489 |
ShutdownDatabaseDlg.IBConfigService.DatabaseName := DBName;
|
490 |
ShutdownDatabaseDlg.Shutdown(FShutDownMode,FDelay);
|
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end;
|
492 |
end;
|
493 |
|
494 |
procedure TMainForm.CLoseBtnClick(Sender: TObject);
|
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begin
|
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Close
|
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end;
|
498 |
|
499 |
procedure TMainForm.BringOnlineExecute(Sender: TObject);
|
500 |
var aDBName: string;
|
501 |
begin
|
502 |
aDBName := DBName;
|
503 |
if SelectDBDlg.ShowModal(aDBName) = mrOK then
|
504 |
begin
|
505 |
DBName := aDBName;
|
506 |
RunService(IBStatisticalService1,@RunBringOnline);
|
507 |
end;
|
508 |
end;
|
509 |
|
510 |
procedure TMainForm.BringOnlineUpdate(Sender: TObject);
|
511 |
begin
|
512 |
(Sender as TAction).Enabled := not ShutdownDatabaseDlg.Aborting;
|
513 |
end;
|
514 |
|
515 |
procedure TMainForm.BackupBtnClick(Sender: TObject);
|
516 |
begin
|
517 |
BackupDlg.IBBackupService1.ServerName := IBServerProperties1.ServerName;
|
518 |
BackupDlg.IBBackupService1.DatabaseName := DBName;
|
519 |
if BackupDlg.ShowModal = mrOK then
|
520 |
begin
|
521 |
DBName := BackupDlg.IBBackupService1.DatabaseName;
|
522 |
Runservice(BackupDlg.IBBackupService1,@BackupDlg.RunBackup);
|
523 |
end;
|
524 |
end;
|
525 |
|
526 |
procedure TMainForm.RestoreBtnClick(Sender: TObject);
|
527 |
begin
|
528 |
RestoreDlg.IBRestoreService1.ServerName := IBServerProperties1.ServerName;
|
529 |
RestoreDlg.IBRestoreService1.DatabaseName[0] := DBName;
|
530 |
if RestoreDlg.ShowModal = mrOK then
|
531 |
begin
|
532 |
DBName := RestoreDlg.IBRestoreService1.DatabaseName[0];
|
533 |
UseServerLogin; {Avoid server hanging if we use an alt. sec. database wrongly}
|
534 |
RunService(RestoreDlg.IBRestoreService1,@RestoreDlg.RunRestore);
|
535 |
end;
|
536 |
end;
|
537 |
|
538 |
procedure TMainForm.ServerLOgBtnClick(Sender: TObject);
|
539 |
begin
|
540 |
Memo1.Lines.Add('Server Log');
|
541 |
{No chance that we will need an alt. security database - so just assign it the
|
542 |
server connection}
|
543 |
IBLogService1.Assign(IBServerProperties1);
|
544 |
with IBLogService1 do
|
545 |
begin
|
546 |
ServiceStart;
|
547 |
while not Eof do
|
548 |
begin
|
549 |
Memo1.Lines.Add(GetNextLine);
|
550 |
Application.ProcessMessages;
|
551 |
end;
|
552 |
end;
|
553 |
end;
|
554 |
|
555 |
procedure TMainForm.DatabaseBtnClick(Sender: TObject);
|
556 |
begin
|
557 |
PopupMenu1.PopUp(Mouse.CursorPos.X,Mouse.CursorPos.Y);
|
558 |
end;
|
559 |
|
560 |
procedure TMainForm.ShutdownExecute(Sender: TObject);
|
561 |
var aDBName: string;
|
562 |
begin
|
563 |
aDBName := DBName;
|
564 |
FShutDownMode := DenyTransaction;
|
565 |
if ShutdownReqDlg.ShowModal(aDBName,FShutDownMode,FDelay) = mrOK then
|
566 |
begin
|
567 |
DBName := aDBName;
|
568 |
RunService(ShutdownDatabaseDlg.IBConfigService,@RunShutdown);
|
569 |
end;
|
570 |
end;
|
571 |
|
572 |
procedure TMainForm.SweepExecute(Sender: TObject);
|
573 |
var aDBName: string;
|
574 |
begin
|
575 |
aDBName := DBName;
|
576 |
if SelectDBDlg.ShowModal(aDBName) = mrOK then
|
577 |
begin
|
578 |
DBName := aDBName;
|
579 |
IBValidationService1.Options := [SweepDB];
|
580 |
RunService(IBValidationService1,@RunSweep);
|
581 |
end;
|
582 |
end;
|
583 |
|
584 |
procedure TMainForm.UsersBtnClick(Sender: TObject);
|
585 |
begin
|
586 |
UseServerLogin;
|
587 |
with ListUsersForm do
|
588 |
begin
|
589 |
{No chance that we will need an alt. security database - so just assign it the
|
590 |
server connection}
|
591 |
IBSecurityService1.Assign(IBServerProperties1);
|
592 |
ShowModal;
|
593 |
end;
|
594 |
end;
|
595 |
|
596 |
end.
|
597 |
|