public Lfx.Types.OperationResult Backup(BackupInfo backupInfo)
{
string WorkFolder = backupInfo.Name + System.IO.Path.DirectorySeparatorChar;
Lfx.Environment.Folders.EnsurePathExists(this.BackupPath);
if (!System.IO.Directory.Exists(Lfx.Environment.Folders.TemporaryFolder + WorkFolder))
{
System.IO.Directory.CreateDirectory(Lfx.Environment.Folders.TemporaryFolder + WorkFolder);
}
Lfx.Types.OperationProgress Progreso = new Lfx.Types.OperationProgress("Creando copia de seguridad", "Se está creando un volcado completo del almacén de datos en una carpeta, para resguardar.");
Progreso.Modal = true;
Progreso.Advertise = true;
Progreso.Begin();
Progreso.Max = Lfx.Workspace.Master.Structure.Tables.Count + 1;
Progreso.ChangeStatus("Exportando estructura");
Progreso.ChangeStatus(Progreso.Value + 1);
System.Xml.XmlDocument doc = new System.Xml.XmlDocument();
doc.AppendChild(Lfx.Workspace.Master.Structure.ToXml(doc));
doc.Save(Lfx.Environment.Folders.TemporaryFolder + WorkFolder + "dbstruct.xml");
BackupWriter Writer = new BackupWriter(Lfx.Environment.Folders.TemporaryFolder + WorkFolder + "dbdata.lbd");
Writer.Write(":BKP");
IList <string> TableList = Lfx.Data.DatabaseCache.DefaultCache.GetTableNames();
foreach (string Tabla in TableList)
{
string NombreTabla = Tabla;
if (Lfx.Workspace.Master.Structure.Tables.ContainsKey(Tabla))
{
NombreTabla = Lfx.Workspace.Master.Structure.Tables[Tabla].Label;
}
Progreso.ChangeStatus("Volcando " + NombreTabla);
Progreso.ChangeStatus(Progreso.Value + 1);
ExportTableBin(Tabla, Writer);
}
Writer.Close();
System.IO.FileStream Archivo = new System.IO.FileStream(Lfx.Environment.Folders.TemporaryFolder + WorkFolder + "info.txt", System.IO.FileMode.Append, System.IO.FileAccess.Write);
using (System.IO.StreamWriter Escribidor = new System.IO.StreamWriter(Archivo, System.Text.Encoding.Default)) {
Escribidor.WriteLine("Copia de seguridad de Lázaro");
Escribidor.WriteLine("");
Escribidor.WriteLine("Empresa=" + backupInfo.CompanyName);
Escribidor.WriteLine("EspacioTrabajo=" + Lfx.Workspace.Master.Name);
Escribidor.WriteLine("FechaYHora=" + System.DateTime.Now.ToString("dd-MM-yyyy") + " a las " + System.DateTime.Now.ToString("HH:mm:ss"));
Escribidor.WriteLine("Usuario=" + backupInfo.UserName);
Escribidor.WriteLine("Estación=" + Lfx.Environment.SystemInformation.MachineName);
Escribidor.WriteLine("VersiónLazaro=" + backupInfo.ProgramVersion);
Escribidor.WriteLine("");
Escribidor.WriteLine("Por favor no modifique ni elimine este archivo.");
Escribidor.Close();
Archivo.Close();
}
if (Lfx.Workspace.Master.CurrentConfig.ReadGlobalSetting <int>("Sistema.ComprimirCopiasDeSeguridad", 0) != 0)
{
Progreso.ChangeStatus("Comprimiendo los datos");
Lfx.FileFormats.Compression.Archive ArchivoComprimido = new Lfx.FileFormats.Compression.Archive(Lfx.Environment.Folders.TemporaryFolder + WorkFolder + "backup.7z");
ArchivoComprimido.Add(Lfx.Environment.Folders.TemporaryFolder + WorkFolder + "*");
if (System.IO.File.Exists(Lfx.Environment.Folders.TemporaryFolder + WorkFolder + "backup.7z"))
{
Progreso.ChangeStatus("Eliminando archivos temporales");
// Borrar los archivos que acabo de comprimir
System.IO.DirectoryInfo Dir = new System.IO.DirectoryInfo(Lfx.Environment.Folders.TemporaryFolder + WorkFolder);
foreach (System.IO.FileInfo DirItem in Dir.GetFiles())
{
if (DirItem.Name != "backup.7z" && DirItem.Name != "info.txt")
{
System.IO.File.Delete(Lfx.Environment.Folders.TemporaryFolder + WorkFolder + DirItem.Name);
}
}
}
}
Progreso.ChangeStatus("Almacenando");
Progreso.ChangeStatus(Progreso.Value + 1);
Lfx.Environment.Folders.MoveDirectory(Lfx.Environment.Folders.TemporaryFolder + WorkFolder, this.BackupPath + WorkFolder);
int GuardarBackups = Lfx.Workspace.Master.CurrentConfig.ReadGlobalSetting <int>("Sisteam.Backup.CantMax", 14);
if (GuardarBackups > 0)
{
List <BackupInfo> ListaDeBackups = this.GetBackups();
if (ListaDeBackups.Count > GuardarBackups)
{
Progreso.ChangeStatus("Eliminando copias de seguridad antiguas");
int BorrarBackups = ListaDeBackups.Count - GuardarBackups;
if (BorrarBackups < ListaDeBackups.Count)
{
for (int i = 1; i <= BorrarBackups; i++)
{
this.Delete(this.GetOldestBackupName());
}
}
}
}
Progreso.End();
return(new Lfx.Types.SuccessOperationResult());
}
public Lfx.Types.OperationResult Backup(BackupInfo backupInfo)
{
string WorkFolder = backupInfo.Name + System.IO.Path.DirectorySeparatorChar;
Lfx.Environment.Folders.EnsurePathExists(this.BackupPath);
if (!System.IO.Directory.Exists(Lfx.Environment.Folders.TemporaryFolder + WorkFolder))
System.IO.Directory.CreateDirectory(Lfx.Environment.Folders.TemporaryFolder + WorkFolder);
Lfx.Types.OperationProgress Progreso = new Lfx.Types.OperationProgress("Creando copia de seguridad", "Se está creando un volcado completo del almacén de datos en una carpeta, para resguardar.");
Progreso.Modal = true;
Progreso.Advertise = true;
Progreso.Begin();
Progreso.Max = Lfx.Workspace.Master.Structure.Tables.Count + 1;
Progreso.ChangeStatus("Exportando estructura");
Progreso.ChangeStatus(Progreso.Value + 1);
System.Xml.XmlDocument doc = new System.Xml.XmlDocument();
doc.AppendChild(Lfx.Workspace.Master.Structure.ToXml(doc));
doc.Save(Lfx.Environment.Folders.TemporaryFolder + WorkFolder + "dbstruct.xml");
BackupWriter Writer = new BackupWriter(Lfx.Environment.Folders.TemporaryFolder + WorkFolder + "dbdata.lbd");
Writer.Write(":BKP");
IList<string> TableList = Lfx.Data.DataBaseCache.DefaultCache.GetTableNames();
foreach (string Tabla in TableList) {
string NombreTabla = Tabla;
if (Lfx.Workspace.Master.Structure.Tables.ContainsKey(Tabla))
NombreTabla = Lfx.Workspace.Master.Structure.Tables[Tabla].Label;
Progreso.ChangeStatus("Volcando " + NombreTabla);
Progreso.ChangeStatus(Progreso.Value + 1);
ExportTableBin(Tabla, Writer);
}
Writer.Close();
System.IO.FileStream Archivo = new System.IO.FileStream(Lfx.Environment.Folders.TemporaryFolder + WorkFolder + "info.txt", System.IO.FileMode.Append, System.IO.FileAccess.Write);
using (System.IO.StreamWriter Escribidor = new System.IO.StreamWriter(Archivo, System.Text.Encoding.Default)) {
Escribidor.WriteLine("Copia de seguridad de Lázaro");
Escribidor.WriteLine("");
Escribidor.WriteLine("Empresa=" + backupInfo.CompanyName);
Escribidor.WriteLine("EspacioTrabajo=" + Lfx.Workspace.Master.Name);
Escribidor.WriteLine("FechaYHora=" + System.DateTime.Now.ToString("dd-MM-yyyy") + " a las " + System.DateTime.Now.ToString("HH:mm:ss"));
Escribidor.WriteLine("Usuario=" + backupInfo.UserName);
Escribidor.WriteLine("Estación=" + Lfx.Environment.SystemInformation.MachineName);
Escribidor.WriteLine("VersiónLazaro=" + backupInfo.ProgramVersion);
Escribidor.WriteLine("");
Escribidor.WriteLine("Por favor no modifique ni elimine este archivo.");
Escribidor.Close();
Archivo.Close();
}
if (Lfx.Workspace.Master.CurrentConfig.ReadGlobalSetting<int>("Sistema.ComprimirCopiasDeSeguridad", 0) != 0) {
Progreso.ChangeStatus("Comprimiendo los datos");
Lfx.FileFormats.Compression.Archive ArchivoComprimido = new Lfx.FileFormats.Compression.Archive(Lfx.Environment.Folders.TemporaryFolder + WorkFolder + "backup.7z");
ArchivoComprimido.Add(Lfx.Environment.Folders.TemporaryFolder + WorkFolder + "*");
if (System.IO.File.Exists(Lfx.Environment.Folders.TemporaryFolder + WorkFolder + "backup.7z")) {
Progreso.ChangeStatus("Eliminando archivos temporales");
// Borrar los archivos que acabo de comprimir
System.IO.DirectoryInfo Dir = new System.IO.DirectoryInfo(Lfx.Environment.Folders.TemporaryFolder + WorkFolder);
foreach (System.IO.FileInfo DirItem in Dir.GetFiles()) {
if (DirItem.Name != "backup.7z" && DirItem.Name != "info.txt") {
System.IO.File.Delete(Lfx.Environment.Folders.TemporaryFolder + WorkFolder + DirItem.Name);
}
}
}
}
Progreso.ChangeStatus("Almacenando");
Progreso.ChangeStatus(Progreso.Value + 1);
Lfx.Environment.Folders.MoveDirectory(Lfx.Environment.Folders.TemporaryFolder + WorkFolder, this.BackupPath + WorkFolder);
int GuardarBackups = Lfx.Workspace.Master.CurrentConfig.ReadGlobalSetting<int>("Sisteam.Backup.CantMax", 14);
if (GuardarBackups > 0) {
List<BackupInfo> ListaDeBackups = this.GetBackups();
if (ListaDeBackups.Count > GuardarBackups) {
Progreso.ChangeStatus("Eliminando copias de seguridad antiguas");
int BorrarBackups = ListaDeBackups.Count - GuardarBackups;
if (BorrarBackups < ListaDeBackups.Count) {
for (int i = 1; i <= BorrarBackups; i++) {
this.Delete(this.GetOldestBackupName());
}
}
}
}
Progreso.End();
return new Lfx.Types.SuccessOperationResult();
}
/// <summary>
/// Exporta una tabla en un formato binario propietario, incluyendo BLOBs.
/// </summary>
public void ExportTableBin(string nombreTabla, BackupWriter writer)
{
qGen.Select Comando = new qGen.Select(nombreTabla);
System.Data.DataTable TablaBackup = Lfx.Workspace.Master.MasterConnection.Select(Comando);
bool EmitiTabla = false;
string[] Fields = null;
foreach (System.Data.DataRow RegistroBackup in TablaBackup.Rows)
{
if (EmitiTabla == false)
{
Fields = new string[TablaBackup.Columns.Count];
for (int i = 0; i < TablaBackup.Columns.Count; i++)
{
Fields[i] = TablaBackup.Columns[i].ColumnName;
}
string FieldList = string.Join(",", Fields);
writer.Write(":TBL" + Comando.Tables[0].Name.Length.ToString("0000") + Comando.Tables[0].Name);
writer.Write(":FDL" + FieldList.Length.ToString("0000") + FieldList);
EmitiTabla = true;
}
writer.Write(":ROW");
for (int i = 0; i < TablaBackup.Columns.Count; i++)
{
object ValorOrigen = RegistroBackup[Fields[i]];
string TipoCampoOrigen = ValorOrigen.GetType().ToString().Replace("System.", "");
string TipoCampoDestino;
switch (TipoCampoOrigen)
{
case "Byte[]":
TipoCampoDestino = "B";
break;
case "SByte":
case "Byte":
case "Int16":
case "Int32":
case "Int64":
ValorOrigen = ValorOrigen.ToString();
TipoCampoDestino = "I";
break;
case "Single":
case "Double":
double ValDouble = System.Convert.ToDouble(ValorOrigen);
ValorOrigen = ValDouble.ToString(System.Globalization.CultureInfo.InvariantCulture);
TipoCampoDestino = "N";
break;
case "Decimal":
decimal ValDecimal = System.Convert.ToDecimal(ValorOrigen);
ValorOrigen = ValDecimal.ToString(System.Globalization.CultureInfo.InvariantCulture);
TipoCampoDestino = "N";
break;
case "DateTime":
ValorOrigen = ((DateTime)ValorOrigen).ToString(Lfx.Types.Formatting.DateTime.SqlDateTimeFormat);
TipoCampoDestino = "D";
break;
case "String":
TipoCampoDestino = "S";
break;
case "DBNull":
TipoCampoDestino = "U";
ValorOrigen = "";
break;
default:
TipoCampoDestino = "S";
ValorOrigen = ValorOrigen.ToString();
break;
}
byte[] ValorDestino;
if (ValorOrigen is byte[])
{
ValorDestino = (byte[])ValorOrigen;
}
else if (ValorOrigen is string)
{
ValorDestino = System.Text.Encoding.UTF8.GetBytes((string)ValorOrigen);
}
else
{
throw new NotImplementedException();
}
writer.Write(":FLD" + TipoCampoDestino + ValorDestino.Length.ToString("00000000"));
if (ValorDestino.Length > 0)
{
writer.Write(ValorDestino);
}
}
writer.Write(".ROW");
//writer.Write(":REM0002" + Lfx.Types.ControlChars.CrLf);
}
writer.Write(".TBL");
}
/// <summary>
/// Exporta una tabla en un formato binario propietario, incluyendo BLOBs.
/// </summary>
public void ExportTableBin(string nombreTabla, BackupWriter writer)
{
qGen.Select Comando = new qGen.Select(nombreTabla);
System.Data.DataTable TablaBackup = Lfx.Workspace.Master.MasterConnection.Select(Comando);
bool EmitiTabla = false;
string[] Fields = null;
foreach (System.Data.DataRow RegistroBackup in TablaBackup.Rows) {
if (EmitiTabla == false) {
Fields = new string[TablaBackup.Columns.Count];
for (int i = 0; i < TablaBackup.Columns.Count; i++) {
Fields[i] = TablaBackup.Columns[i].ColumnName;
}
string FieldList = string.Join(",", Fields);
writer.Write(":TBL" + Comando.Tables.Length.ToString("0000") + Comando.Tables);
writer.Write(":FDL" + FieldList.Length.ToString("0000") + FieldList);
EmitiTabla = true;
}
writer.Write(":ROW");
for (int i = 0; i < TablaBackup.Columns.Count; i++) {
object ValorOrigen = RegistroBackup[Fields[i]];
string TipoCampoOrigen = ValorOrigen.GetType().ToString().Replace("System.", "");
string TipoCampoDestino;
switch (TipoCampoOrigen) {
case "Byte[]":
TipoCampoDestino = "B";
break;
case "SByte":
case "Byte":
case "Int16":
case "Int32":
case "Int64":
ValorOrigen = ValorOrigen.ToString();
TipoCampoDestino = "I";
break;
case "Single":
case "Double":
double ValDouble = System.Convert.ToDouble(ValorOrigen);
ValorOrigen = ValDouble.ToString(System.Globalization.CultureInfo.InvariantCulture);
TipoCampoDestino = "N";
break;
case "Decimal":
decimal ValDecimal = System.Convert.ToDecimal(ValorOrigen);
ValorOrigen = ValDecimal.ToString(System.Globalization.CultureInfo.InvariantCulture);
TipoCampoDestino = "N";
break;
case "DateTime":
ValorOrigen = ((DateTime)ValorOrigen).ToString(Lfx.Types.Formatting.DateTime.SqlDateTimeFormat);
TipoCampoDestino = "D";
break;
case "String":
TipoCampoDestino = "S";
break;
case "DBNull":
TipoCampoDestino = "U";
ValorOrigen = "";
break;
default:
TipoCampoDestino = "S";
ValorOrigen = ValorOrigen.ToString();
break;
}
byte[] ValorDestino;
if (ValorOrigen is byte[])
ValorDestino = (byte[])ValorOrigen;
else if (ValorOrigen is string)
ValorDestino = System.Text.Encoding.UTF8.GetBytes((string)ValorOrigen);
else
throw new NotImplementedException();
writer.Write(":FLD" + TipoCampoDestino + ValorDestino.Length.ToString("00000000"));
if (ValorDestino.Length > 0)
writer.Write(ValorDestino);
}
writer.Write(".ROW");
//writer.Write(":REM0002" + Lfx.Types.ControlChars.CrLf);
}
writer.Write(".TBL");
}
