Exemplo n.º 1
0
        public static RvFile FromAZipFile(RvFile dbDir, EScanLevel eScanLevel, ThreadWorker thWrk)
        {
            RvFile    fileDir           = new RvFile(dbDir.FileType);
            DatStatus chechingDatStatus = dbDir.IsInToSort ? DatStatus.InToSort : DatStatus.NotInDat;

            string    filename = dbDir.FullNameCase;
            ICompress checkZ   = dbDir.FileType == FileType.Zip ? new Zip() : (ICompress) new SevenZ();
            ZipReturn zr       = checkZ.ZipFileOpen(filename, dbDir.FileModTimeStamp);

            if (zr == ZipReturn.ZipGood)
            {
                dbDir.ZipStatus = checkZ.ZipStatus;

                // to be Scanning a ZIP file means it is either new or has changed.
                // as the code below only calls back here if that is true.
                //
                // Level1: Only use header CRC's
                // Just get the CRC for the ZIP headers.
                //
                // Level2: Fully checksum changed only files
                // We know this file has been changed to do a full checksum scan.
                //
                // Level3: Fully checksum everything
                // So do a full checksum scan.
                if (_fs == null)
                {
                    _fs = new FileScan();
                }
                List <FileScan.FileResults> fr = _fs.Scan(checkZ, false, eScanLevel == EScanLevel.Level2 || eScanLevel == EScanLevel.Level3);

                // add all of the file information from the zip file into scanDir
                for (int i = 0; i < checkZ.LocalFilesCount(); i++)
                {
                    RvFile tFile = new RvFile(DBTypeGet.FileFromDir(dbDir.FileType))
                    {
                        Name                  = checkZ.Filename(i),
                        ZipFileIndex          = i,
                        ZipFileHeaderPosition = checkZ.LocalHeader(i),
                        Size                  = checkZ.UncompressedSize(i),
                        CRC = checkZ.CRC32(i),
                        FileModTimeStamp = checkZ.LastModified(i)
                    };
                    // all levels read the CRC from the ZIP header
                    tFile.SetStatus(chechingDatStatus, GotStatus.Got);
                    tFile.FileStatusSet(FileStatus.SizeFromHeader | FileStatus.CRCFromHeader);

                    if (fr[i].FileStatus != ZipReturn.ZipGood)
                    {
                        thWrk.Report(new bgwShowCorrupt(fr[i].FileStatus, filename + " : " + checkZ.Filename(i)));
                        tFile.GotStatus = GotStatus.Corrupt;
                    }
                    else
                    {
                        tFile.HeaderFileType = fr[i].HeaderFileType;
                        tFile.SHA1           = fr[i].SHA1;
                        tFile.MD5            = fr[i].MD5;
                        tFile.AltSize        = fr[i].AltSize;
                        tFile.AltCRC         = fr[i].AltCRC;
                        tFile.AltSHA1        = fr[i].AltSHA1;
                        tFile.AltMD5         = fr[i].AltMD5;

                        tFile.FileStatusSet(
                            FileStatus.SizeVerified |
                            (fr[i].HeaderFileType != HeaderFileType.Nothing ? FileStatus.HeaderFileTypeFromHeader : 0) |
                            (fr[i].CRC != null ? FileStatus.CRCVerified : 0) |
                            (fr[i].SHA1 != null ? FileStatus.SHA1Verified : 0) |
                            (fr[i].MD5 != null ? FileStatus.MD5Verified : 0) |
                            (fr[i].AltSize != null ? FileStatus.AltSizeVerified : 0) |
                            (fr[i].AltCRC != null ? FileStatus.AltCRCVerified : 0) |
                            (fr[i].AltSHA1 != null ? FileStatus.AltSHA1Verified : 0) |
                            (fr[i].AltMD5 != null ? FileStatus.AltMD5Verified : 0)
                            );
                    }

                    fileDir.ChildAdd(tFile);
                }
            }
            else if (zr == ZipReturn.ZipFileLocked)
            {
                thWrk.Report(new bgwShowError(filename, "Zip File Locked"));
                dbDir.FileModTimeStamp = 0;
                dbDir.GotStatus        = GotStatus.FileLocked;
            }
            else
            {
                thWrk.Report(new bgwShowCorrupt(zr, filename));
                dbDir.GotStatus = GotStatus.Corrupt;
            }
            checkZ.ZipFileClose();

            return(fileDir);
        }
Exemplo n.º 2
0
        public static ReturnCode FixZip(RvFile fixZip, List <RvFile> fileProcessQueue, ref int totalFixed, out string errorMessage)
        {
            errorMessage = "";

            //Check for error status
            if (fixZip.DirStatus.HasUnknown())
            {
                return(ReturnCode.FindFixes); // Error
            }
            bool needsTrrntzipped = fixZip.ZipStatus != ZipStatus.TrrntZip && fixZip.GotStatus == GotStatus.Got && fixZip.DatStatus == DatStatus.InDatCollect && Settings.rvSettings.ConvertToTrrntzip;

            // file corrupt and not in tosort
            //      if file cannot be fully fixed copy to corrupt
            //      process zipfile

            if (fixZip.GotStatus == GotStatus.Corrupt && fixZip.DatStatus != DatStatus.InToSort && !fixZip.DirStatus.HasFixable())
            {
                ReturnCode moveReturnCode = FixAZipFunctions.MoveZipToCorrupt(fixZip, out errorMessage);
                if (moveReturnCode != ReturnCode.Good)
                {
                    return(moveReturnCode);
                }
            }

            // has fixable
            //      process zipfile

            else if (fixZip.DirStatus.HasFixable())
            {
                // do nothing here but continue on to process zip.
            }

            // need trrntzipped
            //      process zipfile

            else if (needsTrrntzipped)
            {
                // rv7Zip format is not finalized yet so do not use
                if (!Settings.rvSettings.ConvertToRV7Z && (fixZip.FileType == FileType.SevenZip))
                //if (fixZip.FileType == FileType.SevenZip)
                {
                    needsTrrntzipped = false;
                }
                // do nothing here but continue on to process zip.
            }


            // got empty zip that should be deleted
            //      process zipfile
            else if (fixZip.GotStatus == GotStatus.Got && fixZip.GotStatus != GotStatus.Corrupt && !fixZip.DirStatus.HasAnyFiles())
            {
                // do nothing here but continue on to process zip.
            }

            // else
            //      skip this zipfile
            else
            {
                // nothing can be done to return
                return(ReturnCode.Good);
            }

            if (!fixZip.DirStatus.HasFixable() && !needsTrrntzipped)
            {
                return(ReturnCode.Good);
            }

            string fixZipFullName = fixZip.TreeFullName;

            if (!fixZip.DirStatus.HasFixable() && needsTrrntzipped)
            {
                Report.ReportProgress(new bgwShowFix(Path.GetDirectoryName(fixZipFullName), Path.GetFileName(fixZipFullName), "", 0, "TrrntZipping", "", "", ""));
            }


            FixFileUtils.CheckCreateDirectories(fixZip.Parent);

            string filename = fixZip.FullName;

            if (fixZip.GotStatus == GotStatus.NotGot)
            {
                if (File.Exists(filename))
                {
                    errorMessage = "Unexpected file found in directory. Rescan needed.\n" + filename;
                    return(ReturnCode.RescanNeeded);
                }
            }

            if (Settings.rvSettings.DebugLogsEnabled)
            {
                ReportError.LogOut("");
                ReportError.LogOut(fixZipFullName + " : " + fixZip.RepStatus);
                ReportError.LogOut("------------------------------------------------------------");
                Debug.WriteLine(fixZipFullName + " : " + fixZip.RepStatus);
                ReportError.LogOut("Zip File Status Before Fix:");

                int deleteCount     = 0;
                int moveToSortCount = 0;
                int notThereCount   = 0;
                for (int intLoop = 0; intLoop < fixZip.ChildCount; intLoop++)
                {
                    var fixZipFile = fixZip.Child(intLoop);
                    ReportError.LogOut(fixZipFile);
                    if (fixZipFile.RepStatus == RepStatus.MoveToSort || fixZipFile.RepStatus == RepStatus.MoveToCorrupt)
                    {
                        moveToSortCount++;
                    }
                    if (fixZipFile.RepStatus == RepStatus.Delete)
                    {
                        deleteCount++;
                    }
                    if (fixZipFile.RepStatus == RepStatus.Missing || fixZip.RepStatus == RepStatus.NotCollected)
                    {
                        notThereCount++;
                    }
                }
                ReportError.LogOut($"MoveToSortCount {moveToSortCount} , DeleteCount {deleteCount} , NotThereCount {notThereCount}");
                ReportError.LogOut("");
            }

            ReturnCode returnCode    = ReturnCode.Good;
            RepStatus  fileRepStatus = RepStatus.UnSet;

            ICompress tempFixZip       = null;
            ICompress toSortCorruptOut = null;
            ICompress toSortZipOut     = null;

            try
            {
                RvFile toSortGame        = null;
                RvFile toSortCorruptGame = null;

                Dictionary <string, RvFile> filesUsedForFix = new Dictionary <string, RvFile>();
                List <RvFile> fixZipTemp = new List <RvFile>();

                FileType fixFileType = fixZip.FileType;

                for (int iRom = 0; iRom < fixZip.ChildCount; iRom++)
                {
                    RvFile fixZippedFile = new RvFile(DBTypeGet.FileFromDir(fixFileType));
                    fixZip.Child(iRom).CopyTo(fixZippedFile);

                    fixZipTemp.Add(fixZippedFile);

                    ReportError.LogOut(fixZippedFile.RepStatus + " : " + fixZip.Child(iRom).FullName);

                    fileRepStatus = fixZippedFile.RepStatus;
                    switch (fixZippedFile.RepStatus)
                    {
                        #region Nothing to copy

                    // any file we do not have or do not want in the destination zip
                    case RepStatus.Missing:
                    case RepStatus.NotCollected:
                    case RepStatus.Rename:
                    case RepStatus.Delete:
                        if (!
                            (
                                // got the file in the original zip but will be deleting it
                                fixZippedFile.DatStatus == DatStatus.NotInDat && fixZippedFile.GotStatus == GotStatus.Got ||
                                fixZippedFile.DatStatus == DatStatus.NotInDat && fixZippedFile.GotStatus == GotStatus.Corrupt ||
                                fixZippedFile.DatStatus == DatStatus.InDatMerged && fixZippedFile.GotStatus == GotStatus.Got ||
                                fixZippedFile.DatStatus == DatStatus.InToSort && fixZippedFile.GotStatus == GotStatus.Got ||
                                fixZippedFile.DatStatus == DatStatus.InToSort && fixZippedFile.GotStatus == GotStatus.Corrupt ||

                                // do not have this file and cannot fix it here
                                fixZippedFile.DatStatus == DatStatus.InDatCollect && fixZippedFile.GotStatus == GotStatus.NotGot ||
                                fixZippedFile.DatStatus == DatStatus.InDatBad && fixZippedFile.GotStatus == GotStatus.NotGot ||
                                fixZippedFile.DatStatus == DatStatus.InDatMerged && fixZippedFile.GotStatus == GotStatus.NotGot
                            )
                            )
                        {
                            ReportError.SendAndShow($"Error in Fix Rom Status {fixZippedFile.RepStatus} : {fixZippedFile.DatStatus} : {fixZippedFile.GotStatus}");
                        }

                        if (fixZippedFile.RepStatus == RepStatus.Delete)
                        {
                            if (Settings.rvSettings.DetailedFixReporting)
                            {
                                Report.ReportProgress(new bgwShowFix(Path.GetDirectoryName(fixZipFullName), Path.GetFileName(fixZipFullName), fixZippedFile.Name, fixZippedFile.Size, "Delete", "", "", ""));
                            }

                            returnCode = FixFileUtils.DoubleCheckDelete(fixZip.Child(iRom), out errorMessage);
                            if (returnCode != ReturnCode.Good)
                            {
                                CloseZipFile(ref tempFixZip);
                                CloseToSortGame(toSortGame, ref toSortZipOut);
                                CloseToSortCorruptGame(toSortGame, ref toSortZipOut);
                                return(returnCode);
                            }
                        }

                        fixZippedFile.GotStatus = GotStatus.NotGot;
                        break;

                        #endregion


                    // any files we are just moving from the original zip to the destination zip
                    case RepStatus.Correct:
                    case RepStatus.InToSort:
                    case RepStatus.NeededForFix:
                    case RepStatus.Corrupt:
                    {
                        returnCode = FixAZipCorrectZipFile.CorrectZipFile(fixZip, fixZippedFile, ref tempFixZip, iRom, filesUsedForFix, out errorMessage);
                        if (returnCode != ReturnCode.Good)
                        {
                            CloseZipFile(ref tempFixZip);
                            CloseToSortGame(toSortGame, ref toSortZipOut);
                            CloseToSortCorruptGame(toSortGame, ref toSortZipOut);
                            return(returnCode);
                        }
                        break;
                    }

                    case RepStatus.CanBeFixed:
                    case RepStatus.CorruptCanBeFixed:
                    {
                        returnCode = FixAZipCanBeFixed.CanBeFixed(fixZip, fixZippedFile, ref tempFixZip, filesUsedForFix, ref totalFixed, out errorMessage);
                        if (returnCode != ReturnCode.Good)
                        {
                            CloseZipFile(ref tempFixZip);
                            CloseToSortGame(toSortGame, ref toSortZipOut);
                            CloseToSortCorruptGame(toSortGame, ref toSortZipOut);
                            return(returnCode);
                        }
                        break;
                    }

                    case RepStatus.MoveToSort:
                    {
                        returnCode = FixAZipMoveToSort.MovetoSort(fixZip, fixZippedFile, ref toSortGame, ref toSortZipOut, iRom, filesUsedForFix);
                        if (returnCode != ReturnCode.Good)
                        {
                            CloseZipFile(ref tempFixZip);
                            CloseToSortGame(toSortGame, ref toSortZipOut);
                            CloseToSortCorruptGame(toSortGame, ref toSortZipOut);
                            return(returnCode);
                        }
                        break;
                    }

                    case RepStatus.MoveToCorrupt:
                        returnCode = FixAZipFunctions.MoveToCorrupt(fixZip, fixZippedFile, ref toSortCorruptGame, ref toSortCorruptOut, iRom);
                        if (returnCode != ReturnCode.Good)
                        {
                            CloseZipFile(ref tempFixZip);
                            CloseToSortGame(toSortGame, ref toSortZipOut);
                            CloseToSortCorruptGame(toSortGame, ref toSortZipOut);
                            return(returnCode);
                        }
                        break;

                    default:
                        ReportError.UnhandledExceptionHandler($"Unknown file status found {fixZippedFile.RepStatus} while fixing file {fixZip.Name} Dat Status = {fixZippedFile.DatStatus} GotStatus {fixZippedFile.GotStatus}");
                        break;
                    }

                    if (Report.CancellationPending())
                    {
                        tempFixZip?.ZipFileCloseFailed();
                        toSortZipOut?.ZipFileCloseFailed();
                        toSortCorruptOut?.ZipFileCloseFailed();
                        tempFixZip       = null;
                        toSortZipOut     = null;
                        toSortCorruptOut = null;

                        errorMessage = "Cancel";
                        return(ReturnCode.Cancel);
                    }
                }

                //if ToSort Zip Made then close the zip and add this new zip to the Database
                CloseToSortGame(toSortGame, ref toSortZipOut);

                //if Corrupt Zip Made then close the zip and add this new zip to the Database
                CloseToSortCorruptGame(toSortCorruptGame, ref toSortCorruptOut);

                #region Process original Zip

                if (File.Exists(filename))
                {
                    if (!File.SetAttributes(filename, FileAttributes.Normal))
                    {
                        int error = Error.GetLastError();
                        Report.ReportProgress(new bgwShowError(filename, $"Error Setting File Attributes to Normal. Deleting Original Fix File. Code {error}"));
                    }

                    try
                    {
                        File.Delete(filename);
                    }
                    catch (Exception e)
                    {
                        errorMessage = $"Error While trying to delete file {filename}. {e.Message}";

                        if (tempFixZip != null && tempFixZip.ZipOpen != ZipOpenType.Closed)
                        {
                            tempFixZip.ZipFileClose();
                            tempFixZip = null;
                        }

                        return(ReturnCode.RescanNeeded);
                    }
                }

                #endregion

                bool checkDelete = false;

                #region process the temp Zip rename it to the original Zip

                if (tempFixZip != null && tempFixZip.ZipOpen != ZipOpenType.Closed)
                {
                    string tempFilename = tempFixZip.ZipFilename;
                    tempFixZip.ZipFileClose();

                    if (tempFixZip.LocalFilesCount() > 0)
                    {
                        // now rename the temp fix file to the correct filename
                        File.Move(tempFilename, filename);
                        FileInfo nFile  = new FileInfo(filename);
                        RvFile   tmpZip = new RvFile(FileType.Zip)
                        {
                            Name             = Path.GetFileName(filename),
                            FileModTimeStamp = nFile.LastWriteTime
                        };
                        tmpZip.SetStatus(fixZip.DatStatus, GotStatus.Got);

                        fixZip.FileAdd(tmpZip, false);
                        fixZip.ZipStatus = tempFixZip.ZipStatus;
                    }
                    else
                    {
                        File.Delete(tempFilename);
                        checkDelete = true;
                    }

                    tempFixZip = null;
                }
                else
                {
                    checkDelete = true;
                }

                #endregion

                #region Now put the New Game Status information into the Database.

                int intLoopFix = 0;
                foreach (RvFile tmpZip in fixZipTemp)
                {
                    tmpZip.CopyTo(fixZip.Child(intLoopFix));

                    if (fixZip.Child(intLoopFix).RepStatus == RepStatus.Deleted)
                    {
                        if (fixZip.Child(intLoopFix).FileRemove() == EFile.Delete)
                        {
                            fixZip.ChildRemove(intLoopFix);
                            continue;
                        }
                    }

                    intLoopFix++;
                }

                #endregion

                List <RvFile> usedFiles = filesUsedForFix.Values.ToList();

                FixFileUtils.CheckFilesUsedForFix(usedFiles, fileProcessQueue, false);

                if (checkDelete)
                {
                    FixFileUtils.CheckDeleteFile(fixZip);
                }

                ReportError.LogOut("");
                ReportError.LogOut("Zip File Status After Fix:");
                for (int intLoop = 0; intLoop < fixZip.ChildCount; intLoop++)
                {
                    ReportError.LogOut(fixZip.Child(intLoop));
                }

                ReportError.LogOut("");

                return(ReturnCode.Good);
            }
            catch (ZipFileException ex)
            {
                tempFixZip?.ZipFileCloseFailed();
                toSortZipOut?.ZipFileCloseFailed();
                toSortCorruptOut?.ZipFileCloseFailed();
                tempFixZip       = null;
                toSortZipOut     = null;
                toSortCorruptOut = null;

                errorMessage = ex.Message;
                return(ex.returnCode);
            }
            catch (Exception ex)
            {
                tempFixZip?.ZipFileCloseFailed();
                toSortZipOut?.ZipFileCloseFailed();
                toSortCorruptOut?.ZipFileCloseFailed();
                tempFixZip       = null;
                toSortZipOut     = null;
                toSortCorruptOut = null;

                errorMessage = ex.Message;
                return(ReturnCode.LogicError);
            }
            finally
            {
                if (tempFixZip != null)
                {
                    ReportError.UnhandledExceptionHandler($"{tempFixZip.ZipFilename} tempZipOut was left open, ZipFile= {fixZipFullName} , fileRepStatus= {fileRepStatus} , returnCode= {returnCode}");
                }
                if (toSortZipOut != null)
                {
                    ReportError.UnhandledExceptionHandler($"{toSortZipOut.ZipFilename} toSortZipOut was left open");
                }
                if (toSortCorruptOut != null)
                {
                    ReportError.UnhandledExceptionHandler($"{toSortCorruptOut.ZipFilename} toSortCorruptOut was left open");
                }
            }
        }
Exemplo n.º 3
0
        private static void CheckADir(RvDir dbDir, bool report)
        {
            if (_cacheSaveTimer.Elapsed.TotalMinutes > Program.rvSettings.CacheSaveTimePeriod)
            {
                _bgw.ReportProgress(0, "Saving Cache");
                DB.Write();
                _bgw.ReportProgress(0, "Saving Cache Complete");
                _cacheSaveTimer.Reset();
                _cacheSaveTimer.Start();
            }

            string fullDir = dbDir.FullName;

            if (report)
            {
                _bgw.ReportProgress(0, new bgwText2(fullDir));
            }

            DatStatus chechingDatStatus = dbDir.IsInToSort ? DatStatus.InToSort : DatStatus.NotInDat;

            // this is a temporary rvDir structure to store the data about the actual directory/files we are scanning
            // we will first populate this variable with the real file data from the directory, and then compare it
            // with the data in dbDir.
            RvDir fileDir = null;


            Debug.WriteLine(fullDir);

            FileType ft = dbDir.FileType;

            #region "Populate fileDir"

            // if we are scanning a ZIP file then populate scanDir from the ZIP file
            switch (ft)
            {
            case FileType.Zip:
            case FileType.SevenZip:
            {
                fileDir = new RvDir(ft);

                // open the zip file
                ICompress checkZ;
                if (ft == FileType.Zip)
                {
                    checkZ = new ZipFile();
                }
                else
                {
                    checkZ = new SevenZ();
                }

                ZipReturn zr = checkZ.ZipFileOpen(fullDir, dbDir.TimeStamp, true);

                if (zr == ZipReturn.ZipGood)
                {
                    dbDir.ZipStatus = checkZ.ZipStatus;

                    // to be Scanning a ZIP file means it is either new or has changed.
                    // as the code below only calls back here if that is true.
                    //
                    // Level1: Only use header CRC's
                    // Just get the CRC for the ZIP headers.
                    //
                    // Level2: Fully checksum changed only files
                    // We know this file has been changed to do a full checksum scan.
                    //
                    // Level3: Fully checksum everything
                    // So do a full checksum scan.
                    if ((EScanLevel == eScanLevel.Level2) || (EScanLevel == eScanLevel.Level3))
                    {
                        checkZ.DeepScan();
                    }

                    // add all of the file information from the zip file into scanDir
                    for (int i = 0; i < checkZ.LocalFilesCount(); i++)
                    {
                        RvFile tFile = new RvFile(DBTypeGet.FileFromDir(ft))
                        {
                            Name                  = checkZ.Filename(i),
                            ZipFileIndex          = i,
                            ZipFileHeaderPosition = checkZ.LocalHeader(i),
                            Size                  = checkZ.UncompressedSize(i),
                            CRC = checkZ.CRC32(i)
                        };
                        // all 3 levels read the CRC from the ZIP header
                        tFile.SetStatus(chechingDatStatus, GotStatus.Got);
                        tFile.FileStatusSet(FileStatus.SizeFromHeader | FileStatus.CRCFromHeader);

                        // if we are in level 2 or level 3 then do a full CheckSum Scan.
                        if ((EScanLevel == eScanLevel.Level2) || (EScanLevel == eScanLevel.Level3))
                        {
                            // DeepScan will return ZipReturn.ZipCRCDecodeError if the headers CRC and
                            // the actual CRC do not match.
                            // So we just need to set the MD5 and SHA1 from the ZIP file.
                            zr = checkZ.FileStatus(i);
                            if (zr == ZipReturn.ZipUntested)
                            {
                                _bgw.ReportProgress(0, new bgwShowCorrupt(zr, fullDir + " : " + checkZ.Filename(i)));
                            }
                            else if (zr != ZipReturn.ZipGood)
                            {
                                _bgw.ReportProgress(0, new bgwShowCorrupt(zr, fullDir + " : " + checkZ.Filename(i)));
                                tFile.GotStatus = GotStatus.Corrupt;
                            }
                            else
                            {
                                tFile.MD5  = checkZ.MD5(i);
                                tFile.SHA1 = checkZ.SHA1(i);
                                tFile.FileStatusSet(FileStatus.SizeVerified | FileStatus.CRCVerified | FileStatus.SHA1Verified | FileStatus.MD5Verified);
                            }
                        }

                        fileDir.ChildAdd(tFile);
                    }
                }
                else if (zr == ZipReturn.ZipFileLocked)
                {
                    _bgw.ReportProgress(0, new bgwShowError(fullDir, "Zip File Locked"));
                    dbDir.TimeStamp = 0;
                    dbDir.GotStatus = GotStatus.FileLocked;
                }
                else
                {
                    _bgw.ReportProgress(0, new bgwShowCorrupt(zr, fullDir));
                    dbDir.GotStatus = GotStatus.Corrupt;
                }
                checkZ.ZipFileClose();
            }
            break;

            case FileType.Dir:
            {
                fileDir = new RvDir(FileType.Dir);


                DirectoryInfo   oDir   = new DirectoryInfo(fullDir);
                DirectoryInfo[] oDirs  = oDir.GetDirectories();
                FileInfo[]      oFiles = oDir.GetFiles();

                // add all the subdirectories into scanDir
                foreach (DirectoryInfo dir in oDirs)
                {
                    RvBase tDir = new RvDir(FileType.Dir)
                    {
                        Name      = dir.Name,
                        TimeStamp = dir.LastWriteTime
                    };
                    tDir.SetStatus(chechingDatStatus, GotStatus.Got);
                    fileDir.ChildAdd(tDir);
                }

                // add all the files into scanDir
                foreach (FileInfo oFile in oFiles)
                {
                    // if we find any zip files add them as zip files.
                    string fExt = Path.GetExtension(oFile.Name);
                    switch (fExt.ToLower())
                    {
                    case ".7z":
                    {
                        RvDir tGame = new RvDir(FileType.SevenZip)
                        {
                            Name      = Path.GetFileNameWithoutExtension(oFile.Name),
                            TimeStamp = oFile.LastWriteTime
                        };
                        tGame.SetStatus(chechingDatStatus, GotStatus.Got);
                        fileDir.ChildAdd(tGame);
                    }
                    break;

                    case ".zip":
                    {
                        RvDir tGame = new RvDir(FileType.Zip)
                        {
                            Name      = Path.GetFileNameWithoutExtension(oFile.Name),
                            TimeStamp = oFile.LastWriteTime
                        };
                        tGame.SetStatus(chechingDatStatus, GotStatus.Got);
                        fileDir.ChildAdd(tGame);
                    }
                    break;

                    default:
                    {
                        string fName = oFile.Name;
                        if (fName == "__RomVault.tmp")
                        {
                            File.Delete(oFile.FullName);
                            continue;
                        }

                        // Scanning a file
                        //
                        // Level1 & 2 : (are the same for files) Fully checksum changed only files
                        // Here we are just getting the TimeStamp of the File, and later
                        // if the TimeStamp was not matched we will have to read the files CRC, MD5 & SHA1
                        //
                        // Level3: Fully checksum everything
                        // Get everything about the file right here so
                        // read CRC, MD5 & SHA1


                        // add all the files in the sub-directory to scanDir
                        RvFile tFile = new RvFile(FileType.File)
                        {
                            Name      = fName,
                            Size      = (ulong)oFile.Length,
                            TimeStamp = oFile.LastWriteTime
                        };

                        tFile.FileStatusSet(FileStatus.SizeVerified);

                        int errorCode = CHD.CheckFile(oFile, out tFile.SHA1CHD, out tFile.MD5CHD, out tFile.CHDVersion);

                        if (errorCode == 0)
                        {
                            if (tFile.SHA1CHD != null)
                            {
                                tFile.FileStatusSet(FileStatus.SHA1CHDFromHeader);
                            }
                            if (tFile.MD5CHD != null)
                            {
                                tFile.FileStatusSet(FileStatus.MD5CHDFromHeader);
                            }

                            tFile.SetStatus(chechingDatStatus, GotStatus.Got);

                            // if we are scanning at Level3 then we get all the info here
                            if (EScanLevel == eScanLevel.Level3)
                            {
                                DeepScanFile(fullDir, tFile);
                                ChdManCheck(fullDir, tFile);
                            }
                        }
                        else if (errorCode == 32)
                        {
                            tFile.GotStatus = GotStatus.FileLocked;
                            _bgw.ReportProgress(0, new bgwShowError(fullDir, "File Locked"));
                        }
                        else
                        {
                            string filename = Path.Combine(fullDir, tFile.Name);
                            ReportError.Show("File: " + filename + " Error: " + new Win32Exception(errorCode).Message + ". Scan Aborted.");
                            _fileErrorAbort = true;
                            return;
                        }
                        fileDir.ChildAdd(tFile);
                    }
                    break;
                    }
                }
            }
            break;

            default:
                ReportError.SendAndShow("Un supported file type in CheckADir " + ft);
                break;
            }

            #endregion

            if (fileDir == null)
            {
                ReportError.SendAndShow("Unknown Reading File Type in Dir Scanner");
                return;
            }

            if (report)
            {
                _bgw.ReportProgress(0, new bgwSetRange2(fileDir.ChildCount - 1));

                _bgw.ReportProgress(0, new bgwRange2Visible(true));
            }

            if (!DBTypeGet.isCompressedDir(ft) && _bgw.CancellationPending)
            {
                return;
            }

            Compare(dbDir, fileDir, report, true);
        }