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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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|
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unit MainFormUnit; |
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|
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{$mode objfpc}{$H+} |
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|
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interface |
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|
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uses |
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Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, StdCtrls, |
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ActnList, Menus, IBXServices, IB; |
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|
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const |
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sDefaultDatabaseName = 'employee'; |
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|
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type |
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|
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TRunServiceProc = procedure of object; |
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|
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{ TMainForm } |
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|
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TMainForm = class(TForm) |
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IBConfigService1: TIBXConfigService; |
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IBXServicesConnection1: TIBXServicesConnection; |
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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: TIBXLogService; |
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IBOnlineValidationService1: TIBXOnlineValidationService; |
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IBServerProperties1: TIBXServerProperties; |
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IBStatisticalService1: TIBXStatisticalService; |
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IBValidationService1: TIBXValidationService; |
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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 IBXServicesConnection1Login(Service: TIBXServicesConnection; |
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var aServerName: string; LoginParams: TStrings); |
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procedure IBXServicesConnection1SecurityContextException( |
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Service: TIBXServicesConnection; var aAction: TSecContextAction); |
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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 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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FDBName: string; |
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FServerUserName: string; |
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FServerPassword: string; |
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FShutDownMode: TDBShutdownMode; |
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FDelay: integer; |
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procedure SetDBName(AValue: string); |
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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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|
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var |
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MainForm: TMainForm; |
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|
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implementation |
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|
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{$R *.lfm} |
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|
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uses IBMessages, ServicesLoginDlgUnit, SelectValidationDlgUnit, SelectDBDlgUnit, |
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BackupDlgUnit, RestoreDlgUnit, ListUsersUnit, LimboTransactionsUnit, |
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ShutdownDatabaseDlgUnit, ShutdownRegDlgUnit; |
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|
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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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sSecContext = 'This database appears to use an alternative security database. '+ |
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'You must now log into the alternative security database using login '+ |
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'credentials for the alternative security database.'; |
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|
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|
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{ TMainForm } |
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|
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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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IBXServicesConnection1.FirebirdAPI.GetStatus.SetIBDataBaseErrorMessages([ShowIBMessage]); |
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Application.ExceptionDialog := aedOkMessageBox; |
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FDBName := sDefaultDatabaseName; |
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|
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{Open the Services API connection } |
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with IBXServicesConnection1 do |
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begin |
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while not Connected do |
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begin |
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try |
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Connected := 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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end; |
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|
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{Now display the server properties} |
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with IBServerProperties1, ServicesConnection do |
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begin |
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Memo1.Lines.Add('Firebird Library PathName = ' + IBXServicesConnection1.FirebirdAPI.GetFBLibrary.GetLibraryFilePath); |
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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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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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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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Memo1.Lines.Add(ConfigParams.ConfigFileParams[i]); |
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for i := Low(ConfigParams.ConfigFileData.ConfigFileKey) to High(ConfigParams.ConfigFileData.ConfigFileKey) do |
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Memo1.Lines.Add(Format('%d=%s',[ConfigParams.ConfigFileData.ConfigFileKey[i],ConfigParams.ConfigFileData.ConfigFileValue[i]])); |
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end; |
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end; |
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|
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|
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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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IBXLimboTransactionResolutionService1.DatabaseName := DBName; |
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ShowModal; |
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end; |
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end; |
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end; |
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|
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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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IBStatisticalService1.DatabaseName := DBName; |
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Memo1.Lines.Add('Database Statistics for ' + IBStatisticalService1.DatabaseName); |
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IBStatisticalService1.Execute(Memo1.Lines); |
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end; |
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end; |
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|
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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(IBXServicesConnection1.ServerName,aDBName,UseOnlineValidation) = mrOK then |
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begin |
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DBName := aDBName; |
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Memo1.Lines.Add('Running...'); |
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if UseOnlineValidation then |
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begin |
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IBOnlineValidationService1.DatabaseName := DBName; |
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IBOnlineValidationService1.Execute(Memo1.Lines); |
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end |
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else |
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begin |
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IBValidationService1.Options := [ValidateFull]; |
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IBValidationService1.DatabaseName := DBName; |
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IBValidationService1.Execute(Memo1.Lines); |
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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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|
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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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FDBName := AValue; |
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end; |
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|
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function TMainForm.IsDatabaseOnline: boolean; |
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var Lines: TStringList; |
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i: integer; |
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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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Options := [HeaderPages]; |
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DatabaseName := DBName; |
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Lines := TStringList.Create; |
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try |
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Execute(Lines); |
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for i := 0 to Lines.Count - 1 do |
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begin |
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line := Lines[i]; |
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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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begin |
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Result := false; |
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break; |
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end; |
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|
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end; |
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finally |
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Lines.Free; |
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end |
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end; |
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end; |
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|
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procedure TMainForm.CLoseBtnClick(Sender: TObject); |
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begin |
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Close |
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end; |
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|
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procedure TMainForm.BringOnlineExecute(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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if IsDatabaseOnline then |
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MessageDlg('Database is already online!',mtInformation,[mbOK],0) |
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else |
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begin |
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IBConfigService1.DatabaseName := DBName; |
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IBConfigService1.BringDatabaseOnline; |
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if IsDatabaseOnline then |
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MessageDlg('Database is back online',mtInformation,[mbOK],0) |
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else |
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MessageDlg('Database is still shutdown!',mtError,[mbOK],0); |
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end; |
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end; |
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end; |
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|
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procedure TMainForm.BringOnlineUpdate(Sender: TObject); |
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begin |
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(Sender as TAction).Enabled := not ShutdownDatabaseDlg.Aborting; |
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end; |
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|
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procedure TMainForm.BackupBtnClick(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 BackupDlg.ShowModal(aDBName,Memo1.Lines) = mrOK then |
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DBName := aDBName; |
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end; |
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|
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{Logon to the current security database on the server} |
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|
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procedure TMainForm.IBXServicesConnection1Login( |
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Service: TIBXServicesConnection; var aServerName: string; 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 := aServerName; |
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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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aServerName := aServiceName; |
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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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|
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procedure TMainForm.IBXServicesConnection1SecurityContextException( |
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Service: TIBXServicesConnection; var aAction: TSecContextAction); |
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begin |
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if MessageDlg(sSecContext,mtInformation,[mbYes,mbNo],0) = mrYes then |
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aAction := scReconnect; |
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end; |
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|
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procedure TMainForm.RestoreBtnClick(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 RestoreDlg.ShowModal(aDBName,Memo1.Lines) = mrOK then |
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DBName := aDBName; |
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end; |
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|
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procedure TMainForm.ServerLOgBtnClick(Sender: TObject); |
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begin |
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Memo1.Lines.Add('Server Log'); |
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IBLogService1.Execute(Memo1.Lines); |
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end; |
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|
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procedure TMainForm.DatabaseBtnClick(Sender: TObject); |
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begin |
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PopupMenu1.PopUp(Mouse.CursorPos.X,Mouse.CursorPos.Y); |
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end; |
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|
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procedure TMainForm.ShutdownExecute(Sender: TObject); |
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var aDBName: string; |
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begin |
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aDBName := DBName; |
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FShutDownMode := DenyTransaction; |
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if ShutdownReqDlg.ShowModal(aDBName,FShutDownMode,FDelay) = mrOK then |
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begin |
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DBName := aDBName; |
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if not IsDatabaseOnline then |
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MessageDlg('Database is already shutdown!',mtInformation,[mbOK],0) |
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else |
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ShutdownDatabaseDlg.Shutdown(DBName,FShutDownMode,FDelay); |
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end; |
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end; |
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|
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procedure TMainForm.SweepExecute(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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with IBValidationService1 do |
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begin |
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DBName := aDBName; |
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DatabaseName := DBName; |
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Options := [SweepDB]; |
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Memo1.Lines.Add(Format(sDBSweep,[DatabaseName])); |
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Execute(Memo1.Lines); |
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Memo1.Lines.Add(sSweepOK); |
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end; |
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end; |
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|
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procedure TMainForm.UsersBtnClick(Sender: TObject); |
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begin |
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ListUsersForm.ShowModal; |
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end; |
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|
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end. |
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|