private void btnClearCache_Click(object sender, EventArgs e)
 {
     if (!btnClearCache.Enabled)
     {
         return;
     }
     Cache.Clear(); MsgBoxEx.Inform("Cached application data has been cleared.", "Clear Cache");
 }
Beispiel #2
0
        private void RunRestoration()
        {
            if (!File.Exists(_backupfilename))
            {
                MsgBoxEx.Shout("Could not locate the specified database backup file / restore point.", "Database Restoration"); return;
            }

            btnBrowseDrive.Enabled        = false; btnBrowseRestorePoint.Enabled = false;
            btnRestore.Enabled            = false; btnCancel.BringToFront(); InitializeEventGrid();
            chkCreateRestorePoint.Enabled = false; pctLoad.Show(); pctLoad.BringToFront();
            _isrunning = true; _cancelled = false;

            AddEvent(BackupEvent.Information, "Starting database restoration routines...");
            RestorePointInfo _restorepoint = null;

            if (chkCreateRestorePoint.Checked)
            {
                _restorepoint = MakeRestorePoint();
                if (_restorepoint == null)
                {
                    btnBrowseDrive.Enabled        = true; btnBrowseRestorePoint.Enabled = true;
                    btnRestore.Enabled            = true; btnCancel.SendToBack();
                    chkCreateRestorePoint.Enabled = true; pctLoad.Hide();
                    _isrunning = false; Materia.RefreshAndManageCurrentProcess(); return;
                }
            }

            string _filename = _backupfilename; int _trycounter = 0;

            if (Path.GetExtension(_filename).ToLower().Replace(".", "").RLTrim() == "scmsiv")
            {
                AddEvent(BackupEvent.Information, "Extracting database backup...");
                _filename = "";

                string _dbtempdir = Application.StartupPath + "\\dbtemp";
                if (!Directory.Exists(_dbtempdir))
                {
                    try { Directory.CreateDirectory(_dbtempdir); }
                    catch (Exception ex)
                    {
                        SCMS.LogError(this.GetType().Name, ex);
                        AddEvent(BackupEvent.Error, "Could not create temporary backup file extraction directory.");

                        btnBrowseDrive.Enabled        = true; btnBrowseRestorePoint.Enabled = true;
                        btnRestore.Enabled            = true; btnCancel.SendToBack();
                        chkCreateRestorePoint.Enabled = true; pctLoad.Hide();
                        _isrunning = false; Materia.RefreshAndManageCurrentProcess(); return;
                    }
                }

                string _archivedir = _dbtempdir + "\\" + Path.GetFileNameWithoutExtension(_backupfilename);

                Func <string, string, bool> _extractordelegate = new Func <string, string, bool>(Archiver.Decompress);
                IAsyncResult _extractorresult = _extractordelegate.BeginInvoke(_backupfilename, _archivedir, null, _extractordelegate);

                while (!_extractorresult.IsCompleted &&
                       !_cancelled)
                {
                    Thread.Sleep(1); Application.DoEvents();
                }

                if (_cancelled)
                {
                    AddEvent(BackupEvent.Warning, "Cancelling database restoration...");

                    _trycounter = 0;

                    while (Directory.Exists(_archivedir) &&
                           _trycounter <= 30)
                    {
                        try { Directory.Delete(_archivedir, true); }
                        catch { }

                        _trycounter += 1;
                        Thread.Sleep(100); Application.DoEvents();
                    }

                    btnBrowseDrive.Enabled        = true; btnBrowseRestorePoint.Enabled = true;
                    btnRestore.Enabled            = true; btnCancel.SendToBack();
                    chkCreateRestorePoint.Enabled = true; pctLoad.Hide();
                    _isrunning = false; Materia.RefreshAndManageCurrentProcess();

                    AddEvent(BackupEvent.Information, "Cancelled database restoration.");

                    _trycounter = 0;

                    while (_trycounter < 10)
                    {
                        Thread.Sleep(100); Application.DoEvents();
                        _trycounter += 1;
                    }
                }
                else
                {
                    bool _extracted = _extractordelegate.EndInvoke(_extractorresult);

                    if (_extracted)
                    {
                        if (Directory.Exists(_archivedir))
                        {
                            string[] _files = Directory.GetFiles(_archivedir);
                            foreach (string _file in _files)
                            {
                                if (Path.GetExtension(_file).ToLower().Replace(".", "").RLTrim() == "sql")
                                {
                                    _filename = _file; break;
                                }
                            }

                            if (String.IsNullOrEmpty(_filename.RLTrim()))
                            {
                                AddEvent(BackupEvent.Error, "Could not find any supported database backup file.");

                                _trycounter = 0;

                                while (Directory.Exists(_archivedir) &&
                                       _trycounter <= 30)
                                {
                                    try { Directory.Delete(_archivedir, true); }
                                    catch { }

                                    _trycounter += 1;
                                    Thread.Sleep(100); Application.DoEvents();
                                }

                                btnBrowseDrive.Enabled        = true; btnBrowseRestorePoint.Enabled = true;
                                btnRestore.Enabled            = true; btnCancel.SendToBack();
                                chkCreateRestorePoint.Enabled = true; pctLoad.Hide();
                                _isrunning = false; Materia.RefreshAndManageCurrentProcess(); return;
                            }
                        }
                        else
                        {
                            AddEvent(BackupEvent.Error, "Could not extract data from database backup.");

                            _trycounter = 0;

                            while (Directory.Exists(_archivedir) &&
                                   _trycounter <= 30)
                            {
                                try { Directory.Delete(_archivedir, true); }
                                catch { }

                                _trycounter += 1;
                                Thread.Sleep(100); Application.DoEvents();
                            }

                            btnBrowseDrive.Enabled        = true; btnBrowseRestorePoint.Enabled = true;
                            btnRestore.Enabled            = true; btnCancel.SendToBack();
                            chkCreateRestorePoint.Enabled = true; pctLoad.Hide();
                            _isrunning = false; Materia.RefreshAndManageCurrentProcess(); return;
                        }
                    }
                    else
                    {
                        AddEvent(BackupEvent.Error, "Could not extract data from database backup.");

                        _trycounter = 0;

                        while (Directory.Exists(_archivedir) &&
                               _trycounter <= 30)
                        {
                            try { Directory.Delete(_archivedir, true); }
                            catch { }

                            _trycounter += 1;
                            Thread.Sleep(100); Application.DoEvents();
                        }

                        btnBrowseDrive.Enabled        = true; btnBrowseRestorePoint.Enabled = true;
                        btnRestore.Enabled            = true; btnCancel.SendToBack();
                        chkCreateRestorePoint.Enabled = true; pctLoad.Hide();
                        _isrunning = false; Materia.RefreshAndManageCurrentProcess(); return;
                    }
                }
            }

            if (!String.IsNullOrEmpty(_filename.RLTrim()))
            {
                FileInfo _backupfile = new FileInfo(_filename);
                Func <string, FileInfo, MySqlResult> _restoredelegate = new Func <string, FileInfo, MySqlResult>(MySql.Execute);
                IAsyncResult _restoreresult = _restoredelegate.BeginInvoke(SCMS.ServerConnection.ToString(), _backupfile, null, _restoredelegate);

                while (!_restoreresult.IsCompleted &&
                       !_cancelled)
                {
                    Thread.Sleep(1); Application.DoEvents();
                }

                if (_cancelled)
                {
                    AddEvent(BackupEvent.Warning, "Cancelling database restoration...");

                    if (_restorepoint != null)
                    {
                        if (File.Exists(_restorepoint.Filename))
                        {
                            AddEvent(BackupEvent.Information, "Performing roll back from recorded restore point.");
                            FileInfo _restorepointfile = new FileInfo(_restorepoint.Filename);

                            _trycounter = 0;
                            while (_trycounter < 30)
                            {
                                _trycounter += 1;
                                Thread.Sleep(100); Application.DoEvents();
                            }

                            Func <string, FileInfo, MySqlResult> _restorepointdelegate = new Func <string, FileInfo, MySqlResult>(MySql.Execute);
                            IAsyncResult _restorepointresult = _restorepointdelegate.BeginInvoke(SCMS.ServerConnection.ToString(), _restorepointfile, null, _restorepointdelegate);
                            _restorepointresult.WaitToFinish();

                            MySqlResult _rpresult = _restorepointdelegate.EndInvoke(_restorepointresult);

                            if (_rpresult.Succeeded)
                            {
                                AddEvent(BackupEvent.Success, "Roll back from recorded restore point has been completed.");
                            }
                            else
                            {
                                SCMS.LogError(this.GetType().Name, new Exception(_rpresult.Error));
                                AddEvent(BackupEvent.Error, "Failed to roll back from restore point.");
                            }
                        }
                    }

                    SCMS.CleanUp();
                    btnBrowseDrive.Enabled        = true; btnBrowseRestorePoint.Enabled = true;
                    btnRestore.Enabled            = true; btnCancel.SendToBack();
                    chkCreateRestorePoint.Enabled = true; pctLoad.Hide();
                    _isrunning = false; Materia.RefreshAndManageCurrentProcess();

                    AddEvent(BackupEvent.Information, "Cancelled database restoration.");

                    _trycounter = 0;

                    while (_trycounter < 30)
                    {
                        Thread.Sleep(100); Application.DoEvents();
                        _trycounter += 1;
                    }
                }
                else
                {
                    MySqlResult _execresult = _restoredelegate.EndInvoke(_restoreresult);

                    if (_execresult.Succeeded)
                    {
                        AddEvent(BackupEvent.Information, "Finalizing database restoration...");
                        IAsyncResult _logresult   = SCMS.CurrentSystemUser.LogActionAsync(UserAction.RestoreDatabase, "Restored database from file : " + lblPath.Text.ToSqlValidString().Replace("\\\\", "\\") + ".");
                        IAsyncResult _queexresult = Que.BeginExecution(SCMS.ServerConnection.ToString(), "UPDATE `settings` SET `LastRestored` = NOW();");

                        while (!_logresult.IsCompleted &&
                               !_queexresult.IsCompleted)
                        {
                            Thread.Sleep(1); Application.DoEvents();
                        }

                        QueResult _queresult = Que.EndExecution(_queexresult);
                        _queresult.Dispose(QueResultDisposition.WithAssociatedQue);

                        SCMS.CleanUp(); _isrunning = false;

                        AddEvent(BackupEvent.Success, "Database backup restoration has been completed.");

                        _trycounter = 0;

                        while (_trycounter <= 10)
                        {
                            Thread.Sleep(100); Application.DoEvents();
                            _trycounter += 1;
                        }

                        MsgBoxEx.Inform("Application will restart for the restored values to fully take effect.", "Database Backup Restoration");
                        DialogResult = System.Windows.Forms.DialogResult.OK; Close();
                    }
                    else
                    {
                        SCMS.LogError(this.GetType().Name, new Exception(_execresult.Error));
                        AddEvent(BackupEvent.Error, "Failed to complete database restoration from the specified database backup / restore point.");

                        if (_restorepoint != null)
                        {
                            if (File.Exists(_restorepoint.Filename))
                            {
                                AddEvent(BackupEvent.Information, "Performing roll back from recorded restore point.");
                                FileInfo _restorepointfile = new FileInfo(_restorepoint.Filename);

                                _trycounter = 0;
                                while (_trycounter < 15)
                                {
                                    _trycounter += 1;
                                    Thread.Sleep(100); Application.DoEvents();
                                }

                                Func <string, FileInfo, MySqlResult> _restorepointdelegate = new Func <string, FileInfo, MySqlResult>(MySql.Execute);
                                IAsyncResult _restorepointresult = _restorepointdelegate.BeginInvoke(SCMS.ServerConnection.ToString(), _restorepointfile, null, _restorepointdelegate);
                                _restorepointresult.WaitToFinish();

                                MySqlResult _rpresult = _restorepointdelegate.EndInvoke(_restorepointresult);

                                if (_rpresult.Succeeded)
                                {
                                    AddEvent(BackupEvent.Success, "Roll back from recorded restore point has been completed.");
                                }
                                else
                                {
                                    SCMS.LogError(this.GetType().Name, new Exception(_rpresult.Error));
                                    AddEvent(BackupEvent.Error, "Failed to roll back from restore point.");
                                }
                            }
                        }

                        SCMS.CleanUp();
                        btnBrowseDrive.Enabled        = true; btnBrowseRestorePoint.Enabled = true;
                        btnRestore.Enabled            = true; btnCancel.SendToBack();
                        chkCreateRestorePoint.Enabled = true; pctLoad.Hide();
                        _isrunning = false; Materia.RefreshAndManageCurrentProcess();
                    }
                }
            }
        }
        private void btnTestConnection_Click(object sender, EventArgs e)
        {
            if (!btnTestConnection.Enabled)
            {
                return;
            }

            Validator _validator = SCMS.Validators[this];

            if (!Materia.Valid(_validator, txtUserId, !String.IsNullOrEmpty(txtUserId.Text.RLTrim()), "Please specify database server's log on account id."))
            {
                return;
            }

            if (!Materia.Valid(_validator, txtPassword1, !String.IsNullOrEmpty(txtPassword1.Text.RLTrim()), "Please specify database server's log on account password."))
            {
                return;
            }

            if (!Materia.Valid(_validator, txtPassword2, string.Compare(txtPassword1.Text, txtPassword2.Text) == 0 &&
                               txtPassword1.Text == txtPassword2.Text, "Passwords doesn't match each other."))
            {
                return;
            }

            btnTestConnection.Enabled = false; btnOk.Enabled = false;
            txtUserId.ReadOnly        = true; txtPassword1.ReadOnly = true; txtPassword2.ReadOnly = true;

            string        _connectionstring = "SERVER=" + txtServer.Text + ";DATABASE=" + txtDatabase.Text + ";UID=" + txtUserId.Text + ";PWD=" + txtPassword1.Text + ";";
            IDbConnection _connection       = Development.Materia.Database.Database.CreateConnection(_connectionstring);

            Func <IDbConnection, bool> _delegate = new Func <IDbConnection, bool>(Materia.CanConnect);
            IAsyncResult _result = _delegate.BeginInvoke(_connection, null, _delegate);

            while (!_result.IsCompleted &&
                   !_cancelled)
            {
                Thread.Sleep(1); Application.DoEvents();
            }

            Materia.RefreshAndManageCurrentProcess();

            if (_cancelled)
            {
                if (!_result.IsCompleted)
                {
                    try { _result = null; }
                    catch { }
                    finally { Materia.RefreshAndManageCurrentProcess(); }
                }
            }
            else
            {
                bool _connected = _delegate.EndInvoke(_result);

                if (_connected)
                {
                    MsgBoxEx.Inform("Connection has been successfully established.", "Test Database Connection");
                }
                else
                {
                    MsgBoxEx.Alert("Failed to establish a connection using the specified configurations.", "Connection Failed");
                }
            }

            if (_connection != null)
            {
                if (_connection.State == ConnectionState.Open)
                {
                    try { _connection.Close(); }
                    catch { }
                }

                try { _connection.Dispose(); }
                catch { }
                finally
                { _connection = null; Materia.RefreshAndManageCurrentProcess(); }
            }

            btnTestConnection.Enabled = true; btnOk.Enabled = true;
            txtUserId.ReadOnly        = false; txtPassword1.ReadOnly = false; txtPassword2.ReadOnly = false;
        }