Example #1
0
        /// <summary>
        /// Method to open an existing storage file
        /// </summary>
        /// <param name="_filename">Full path of Zip file to open</param>
        /// <param name="_access">File access mode as used in FileStream constructor</param>
        /// <returns>A valid ZipStorer object</returns>
        public static cFuncionesZip Open(string _filename, FileAccess _access)
        {
            Stream stream = (Stream) new FileStream(_filename, FileMode.Open, _access == FileAccess.Read ? FileAccess.Read : FileAccess.ReadWrite);

            cFuncionesZip zip = Open(stream, _access);

            zip.FileName = _filename;

            return(zip);
        }
Example #2
0
        /// <summary>
        /// Method to create a new zip storage in a stream
        /// </summary>
        /// <param name="_stream"></param>
        /// <param name="_comment"></param>
        /// <returns>A valid ZipStorer object</returns>
        public static cFuncionesZip Create(Stream _stream, string _comment)
        {
            cFuncionesZip zip = new cFuncionesZip();

            zip.Comment       = _comment;
            zip.ZipFileStream = _stream;
            zip.Access        = FileAccess.Write;

            return(zip);
        }
Example #3
0
        /// <summary>
        /// Removes one of many files in storage. It creates a new Zip file.
        /// </summary>
        /// <param name="_zip">Reference to the current Zip object</param>
        /// <param name="_zfes">List of Entries to remove from storage</param>
        /// <returns>True if success, false if not</returns>
        /// <remarks>This method only works for storage of type FileStream</remarks>
        public static bool RemoveEntries(ref cFuncionesZip _zip, List <ZipFileEntry> _zfes)
        {
            if (!(_zip.ZipFileStream is FileStream))
            {
                throw new InvalidOperationException("RemoveEntries is allowed just over streams of type FileStream");
            }


            //Get full list of entries
            List <ZipFileEntry> fullList = _zip.ReadCentralDir();

            //In order to delete we need to create a copy of the zip file excluding the selected items
            string tempZipName   = Path.GetTempFileName();
            string tempEntryName = Path.GetTempFileName();

            try
            {
                cFuncionesZip tempZip = cFuncionesZip.Create(tempZipName, string.Empty);

                foreach (ZipFileEntry zfe in fullList)
                {
                    if (!_zfes.Contains(zfe))
                    {
                        if (_zip.ExtractFile(zfe, tempEntryName))
                        {
                            tempZip.AddFile(zfe.Method, tempEntryName, zfe.FilenameInZip, zfe.Comment);
                        }
                    }
                }
                _zip.Close();
                tempZip.Close();

                File.Delete(_zip.FileName);
                File.Move(tempZipName, _zip.FileName);

                _zip = cFuncionesZip.Open(_zip.FileName, _zip.Access);
            }
            catch
            {
                return(false);
            }
            finally
            {
                if (File.Exists(tempZipName))
                {
                    File.Delete(tempZipName);
                }
                if (File.Exists(tempEntryName))
                {
                    File.Delete(tempEntryName);
                }
            }
            return(true);
        }
Example #4
0
        /// <summary>
        /// Method to create a new storage file
        /// </summary>
        /// <param name="_filename">Full path of Zip file to create</param>
        /// <param name="_comment">General comment for Zip file</param>
        /// <returns>A valid ZipStorer object</returns>
        public static cFuncionesZip Create(string _filename, string _comment)
        {
            Stream stream = new FileStream(_filename, FileMode.Create, FileAccess.ReadWrite);

            cFuncionesZip zip = Create(stream, _comment);

            zip.Comment  = _comment;
            zip.FileName = _filename;

            return(zip);
        }
Example #5
0
        /// <summary>
        /// Method to open an existing storage from stream
        /// </summary>
        /// <param name="_stream">Already opened stream with zip contents</param>
        /// <param name="_access">File access mode for stream operations</param>
        /// <returns>A valid ZipStorer object</returns>
        public static cFuncionesZip Open(Stream _stream, FileAccess _access)
        {
            if (!_stream.CanSeek && _access != FileAccess.Read)
            {
                throw new InvalidOperationException("Stream cannot seek");
            }

            cFuncionesZip zip = new cFuncionesZip();

            //zip.FileName = _filename;
            zip.ZipFileStream = _stream;
            zip.Access        = _access;

            if (zip.ReadFileInfo())
            {
                return(zip);
            }

            throw new System.IO.InvalidDataException();
        }
        public static bool crearBackupBD(string strServer, string strUser, string strPass, string strNameBD)
        {
            bool bProcede = false;

            try
            {
                if (!Directory.Exists(Application.StartupPath + "\\backups"))
                {
                    Directory.CreateDirectory(Application.StartupPath + "\\backups");
                }

                //primero creamos el archivo .Bat
                string strBatFile = "@echo off\r\n" +
                                    "for /f \"tokens=1-4 delims=/ \" %%i in (\"%date%\") do (\r\n" +
                                    " set day=%%i\r\n" +
                                    " set month=%%j\r\n" +
                                    " set year=%%k\r\n" +
                                    ")\r\n" +
                                    "set datestr=%day%_%month%_%year%\r\n" +
                                    "echo datestr is %datestr%\r\n" +
                                    "set BACKUP_FILE=backups\\" + strNameBD + "_%datestr%.dmp\r\n" +
                                    "echo backup file name is %BACKUP_FILE%\r\n" +
                                    "SET PGPASSWORD="******"\r\n" +
                                    "echo off\r\n" +
                                    "pg\\pg_dump -h " + strServer + " -U " + strUser + " -f %BACKUP_FILE% " + strNameBD +
                                    "\r\necho PROCESANDO.....";

                cFuncionesFicheros.guardarArchivo(Application.StartupPath + "\\backup.bat", strBatFile);

                ProcessStartInfo info = new ProcessStartInfo();
                info.FileName        = Application.StartupPath + "\\backup.bat";
                info.CreateNoWindow  = true;
                info.UseShellExecute = true;
                Process proc = new Process();
                proc.StartInfo = info;
                proc.Start();
                proc.WaitForExit();

                File.Delete(Application.StartupPath + "\\backup.bat");


                //Comprimimos el archivo
                cFuncionesZip zip = new cFuncionesZip();
                string        mes = (DateTime.Now.Month < 10) ? "0" + DateTime.Now.Month : DateTime.Now.Month.ToString();
                string        dia = (DateTime.Now.Day < 10) ? "0" + DateTime.Now.Day : DateTime.Now.Day.ToString();

                string path = Application.StartupPath + "\\backups\\" + strNameBD + "_" + dia + "_" + mes + "_" + DateTime.Now.Year + ".dmp";
                zip = cFuncionesZip.Create(path + ".zip", "Generado por ZipStorer para NeuroDiagnostico");

                zip.AddFile(cFuncionesZip.Compression.Deflate, path, Path.GetFileName(path), "");
                zip.Close();


                //Si se ha creado el ZIP... se borra el backup
                if (File.Exists(path + ".zip"))
                {
                    File.Delete(path);
                }

                bProcede = true;
            }
            catch (Exception exp)
            {
                throw exp;
            }

            return(bProcede);
        }