private void btnOK_Click(object sender, EventArgs e)
{
if (grdRestorePoints.DataSource == null)
{
return;
}
if (grdRestorePoints.RowSel < grdRestorePoints.Rows.Fixed)
{
return;
}
if (!Materia.IsNullOrNothing(grdRestorePoints.Rows[grdRestorePoints.RowSel]["Info"]))
{
_selectedrestorepoint = (RestorePointInfo)grdRestorePoints.Rows[grdRestorePoints.RowSel]["Info"];
DialogResult = System.Windows.Forms.DialogResult.OK; Close();
}
}
private void InitializeRestorePoints()
{
if (grdRestorePoints.Redraw)
{
grdRestorePoints.BeginUpdate();
}
if (grdRestorePoints.DataSource != null)
{
try { grdRestorePoints.DataSource = null; }
catch { }
finally { Materia.RefreshAndManageCurrentProcess(); }
}
string _path = Application.StartupPath + "\\Xml\\restorepoints.xml";
DataTable _table = SCMS.XmlToTable(_path);
if (_table != null)
{
DataTable _datasource = new DataTable();
DataColumn _pkcol = _datasource.Columns.Add("Id", typeof(int));
_pkcol.AutoIncrement = true; _pkcol.AutoIncrementSeed = 1;
_pkcol.AutoIncrementStep = 1;
_datasource.Columns.Add("Select", typeof(bool));
_datasource.Columns.Add("As Of", typeof(DateTime));
_datasource.Columns.Add("Info", typeof(RestorePointInfo));
DataRow[] _rows = _table.Select("[Company] LIKE '" + SCMS.CurrentCompany.Company.ToSqlValidString(true) + "' AND\n" +
"[Server] LIKE '" + SCMS.ServerConnection.Server.ToSqlValidString(true) + "' AND\n" +
"[Database] LIKE '" + SCMS.ServerConnection.Database.ToSqlValidString(true) + "'");
for (int i = 0; i <= (_rows.Length - 1); i++)
{
DataRow _row = _rows[i];
RestorePointInfo _restorepoint = new RestorePointInfo(VisualBasic.CLng(_row["DetailId"]));
if (!String.IsNullOrEmpty(_restorepoint.Filename.RLTrim()))
{
if (File.Exists(_restorepoint.Filename))
{
DataColumnCollection _cols = _datasource.Columns;
object[] _values = new object[_cols.Count];
_values[_cols["Select"].Ordinal] = VisualBasic.CBool(i == 0);
_values[_cols["As Of"].Ordinal] = _row["DateAndTime"];
_values[_cols["Info"].Ordinal] = _restorepoint;
_datasource.Rows.Add(_values);
}
}
}
grdRestorePoints.DataSource = _datasource;
grdRestorePoints.Rows[grdRestorePoints.Rows.Fixed - 1].Visible = false;
grdRestorePoints.Cols["Id"].Visible = false;
grdRestorePoints.Cols["Select"].Caption = "";
grdRestorePoints.Cols["As Of"].Format = "dd-MMM-yyyy hh:mm:ss tt";
grdRestorePoints.Cols["Info"].Visible = false;
grdRestorePoints.AutoNumber();
grdRestorePoints.AutoSizeCols();
grdRestorePoints.ExtendLastCol = true;
}
else
{
grdRestorePoints.InitializeAppearance();
}
while (!grdRestorePoints.Redraw)
{
grdRestorePoints.EndUpdate();
}
}
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 RestorePointInfo MakeRestorePoint()
{
RestorePointInfo _restorepoint = null;
AddEvent(BackupEvent.Information, "Creating database restore point...");
string _rpdir = Application.StartupPath + "\\Restore Points";
if (!Directory.Exists(_rpdir))
{
try { Directory.CreateDirectory(_rpdir); }
catch (Exception ex)
{
SCMS.LogError(this.GetType().Name, ex);
AddEvent(BackupEvent.Error, "Can't create database restore point directory.");
}
}
if (Directory.Exists(_rpdir))
{
Func <IDbConnection, DateTime> _serverdatedelegate = new Func <IDbConnection, DateTime>(MySql.GetServerDateAndTime);
IAsyncResult _serverdateresult = _serverdatedelegate.BeginInvoke(SCMS.Connection, null, _serverdatedelegate);
_serverdateresult.WaitToFinish();
DateTime _serverdatetime = _serverdatedelegate.EndInvoke(_serverdateresult);
string _rpfilename = _rpdir + "\\" + SCMS.ServerConnection.Database.ToUpper() + "_" + SCMS.CurrentCompany.Company + "_RESTORE_POINT_" + VisualBasic.Format(_serverdatetime, "dd_MM_yyyy_HH_mm_ss") + ".sql";
int _trycounter = 0;
MySqlDumpParameterCollection _parameters = new MySqlDumpParameterCollection();
_parameters.Add(MySqlDumpParameters.CompleteInsert);
_parameters.Add(MySqlDumpParameters.HexBlob);
_parameters.Add(MySqlDumpParameters.Routines);
_parameters.Add("--skip-extended-insert");
_parameters.Add(MySqlDumpParameters.Triggers);
_parameters.Add(MySqlDumpParameters.Quick);
Func <string, string, MySqlDumpParameterCollection, MySqlResult> _dumpdelegate = new Func <string, string, MySqlDumpParameterCollection, MySqlResult>(MySql.Dump);
IAsyncResult _dumpresult = _dumpdelegate.BeginInvoke(SCMS.ServerConnection.ToString(), _rpfilename, _parameters, null, _dumpdelegate);
AddEvent(BackupEvent.Information, "Restore point creation started.");
while (!_dumpresult.IsCompleted &&
!_cancelled)
{
Thread.Sleep(1); Application.DoEvents();
}
if (_cancelled)
{
AddEvent(BackupEvent.Warning, "Cancelling restore point creation...");
_trycounter = 0;
while (File.Exists(_rpfilename) &&
_trycounter <= 30)
{
try { File.Delete(_rpfilename); }
catch { }
_trycounter += 1;
Thread.Sleep(100); Application.DoEvents();
}
Materia.RefreshAndManageCurrentProcess();
AddEvent(BackupEvent.Information, "Restore point creation cancelled.");
}
else
{
MySqlResult _result = _dumpdelegate.EndInvoke(_dumpresult);
if (_result.Succeeded)
{
string _path = Application.StartupPath + "\\Xml\\restorepoints.xml";
DataTable _table = SCMS.XmlToTable(_path);
if (_table != null)
{
bool _created = false; DataRow _newrow = null;
object[] _values = new object[_table.Columns.Count];
DataColumnCollection _cols = _table.Columns;
_values[_cols["DateAndTime"].Ordinal] = _serverdatetime;
_values[_cols["Filename"].Ordinal] = _rpfilename;
_values[_cols["Company"].Ordinal] = SCMS.CurrentCompany.Company;
_values[_cols["Server"].Ordinal] = SCMS.ServerConnection.Server;
_values[_cols["Database"].Ordinal] = SCMS.ServerConnection.Database;
try
{
_newrow = _table.Rows.Add(_values);
_table.AcceptChanges();
_table.WriteXml(_path, XmlWriteMode.WriteSchema);
_created = true;
}
catch (Exception ex)
{
SCMS.LogError(this.GetType().Name, ex);
AddEvent(BackupEvent.Error, "Failed to create and / or complete database restore point.");
_trycounter = 0;
while (File.Exists(_rpfilename) &&
_trycounter <= 30)
{
try { File.Delete(_rpfilename); }
catch { }
_trycounter += 1;
Thread.Sleep(100); Application.DoEvents();
}
}
if (_created)
{
_restorepoint = new RestorePointInfo(VisualBasic.CLng(_newrow["DetailId"]));
}
_table.Dispose(); _table = null;
Materia.RefreshAndManageCurrentProcess();
}
else
{
AddEvent(BackupEvent.Error, "Failed to create and / or complete database restore point.");
_trycounter = 0;
while (File.Exists(_rpfilename) &&
_trycounter <= 30)
{
try { File.Delete(_rpfilename); }
catch { }
_trycounter += 1;
Thread.Sleep(100); Application.DoEvents();
}
Materia.RefreshAndManageCurrentProcess();
}
}
else
{
SCMS.LogError(this.GetType().Name, new Exception(_result.Error));
AddEvent(BackupEvent.Error, "Failed to create and / or complete database restore point.");
_trycounter = 0;
while (File.Exists(_rpfilename) &&
_trycounter <= 30)
{
try { File.Delete(_rpfilename); }
catch { }
_trycounter += 1;
Thread.Sleep(100); Application.DoEvents();
}
Materia.RefreshAndManageCurrentProcess();
}
}
}
return(_restorepoint);
}
