public override void Write(BinaryWriter bw)
{
base.Write(bw);
if (Tree == null)
{
bw.Write(false);
}
else
{
bw.Write(true);
Tree.Write(bw);
}
if (Game == null)
{
bw.Write(false);
}
else
{
bw.Write(true);
Game.Write(bw);
}
int count = _dirDats.Count;
bw.Write(count);
for (int i = 0; i < count; i++)
{
_dirDats[i].Write(bw);
}
count = _children.Count;
bw.Write(count);
for (int i = 0; i < count; i++)
{
FileType type = _children[i].FileType;
bw.Write((byte)type);
_children[i].Write(bw);
}
if (DBTypeGet.isCompressedDir(FileType))
{
bw.Write((byte)ZipStatus);
}
}
private static void Compare(RvFile dbDir, RvFile fileDir, bool report, bool enableCancel)
{
string fullDir = dbDir.FullName;
FileType ft = dbDir.FileType;
// now we scan down the dbDir and the scanDir, comparing them.
// if we find a match we mark dbDir as found.
// if we are missing a file in fileDir we mark that file in dbDir as missing.
// if we find extra files in fileDir we add it to dbDir and mark it as unknown.
// we also recurse into any sub directories.
int dbIndex = 0;
int fileIndex = 0;
while (dbIndex < dbDir.ChildCount || fileIndex < fileDir.ChildCount)
{
RvFile dbChild = null;
RvFile fileChild = null;
int res = 0;
if (dbIndex < dbDir.ChildCount && fileIndex < fileDir.ChildCount)
{
dbChild = dbDir.Child(dbIndex);
fileChild = fileDir.Child(fileIndex);
//Debug.WriteLine($@"{dbChild.Name} , {fileChild.Name}");
res = DBHelper.CompareName(dbChild, fileChild);
}
else if (fileIndex < fileDir.ChildCount)
{
//Get any remaining filedir's
fileChild = fileDir.Child(fileIndex);
res = 1;
}
else if (dbIndex < dbDir.ChildCount)
{
//Get any remaining dbDir's
dbChild = dbDir.Child(dbIndex);
res = -1;
}
if (report)
{
if (fileChild != null)
{
long timenow = DateTime.Now.Ticks;
if (timenow - _lastUpdateTime > TimeSpan.TicksPerSecond / 10)
{
_lastUpdateTime = timenow;
_thWrk.Report(new bgwValue2(fileIndex + 1));
_thWrk.Report(new bgwText2(Path.Combine(fullDir, fileChild.Name)));
}
}
}
// if this file was found in the DB
switch (res)
{
case 0:
if (dbChild == null || fileChild == null)
{
ReportError.SendAndShow("Error in File Scanning Code.");
break;
}
//Complete MultiName Compare
List <RvFile> dbs = new List <RvFile>();
List <RvFile> files = new List <RvFile>();
int dbsCount = 1;
int filesCount = 1;
dbs.Add(dbChild);
files.Add(fileChild);
while (dbIndex + dbsCount < dbDir.ChildCount && DBHelper.CompareName(dbChild, dbDir.Child(dbIndex + dbsCount)) == 0)
{
dbs.Add(dbDir.Child(dbIndex + dbsCount));
dbsCount += 1;
}
while (fileIndex + filesCount < fileDir.ChildCount && DBHelper.CompareName(fileChild, fileDir.Child(fileIndex + filesCount)) == 0)
{
files.Add(fileDir.Child(fileIndex + filesCount));
filesCount += 1;
}
bool caseTest = files.Count > 1;
// if we only have one file, we don't need to test twice.
// so we need to do a case sensitive match first and then a case insensitive match
// indexCase=0 means do full case filename test
// indexCase=1 means do case insensitive test
for (int indexCase = (caseTest ? 0 : 1); indexCase < 2; indexCase += 1)
{
for (int indexfile = 0; indexfile < filesCount; indexfile++)
{
if (files[indexfile].SearchFound)
{
continue;
}
for (int indexdb = 0; indexdb < dbsCount; indexdb++)
{
if (dbs[indexdb].SearchFound)
{
continue;
}
bool matched = Scanner.Compare.Phase1Test(dbs[indexdb], files[indexfile], EScanLevel, indexCase, out bool matchedAlt);
if (!matched)
{
continue;
}
MatchFound(dbs[indexdb], files[indexfile], matchedAlt);
dbs[indexdb].SearchFound = true;
files[indexfile].SearchFound = true;
}
if (files[indexfile].SearchFound)
{
continue;
}
for (int indexdb = 0; indexdb < dbsCount; indexdb++)
{
if (dbs[indexdb].SearchFound)
{
continue;
}
bool matched = Scanner.Compare.Phase2Test(dbs[indexdb], files[indexfile], EScanLevel, indexCase, fullDir, _thWrk, ref _fileErrorAbort, out bool matchedAlt);
if (!matched)
{
continue;
}
MatchFound(dbs[indexdb], files[indexfile], matchedAlt);
dbs[indexdb].SearchFound = true;
files[indexfile].SearchFound = true;
}
}
}
for (int indexdb = 0; indexdb < dbsCount; indexdb++)
{
if (dbs[indexdb].SearchFound)
{
dbIndex++;
continue;
}
DBFileNotFound(dbs[indexdb], dbDir, ref dbIndex);
}
for (int indexfile = 0; indexfile < filesCount; indexfile++)
{
if (files[indexfile].SearchFound)
{
continue;
}
if (NewFileFound(files[indexfile], dbDir, dbIndex))
{
dbIndex++;
}
}
fileIndex += filesCount;
break;
case 1:
if (NewFileFound(fileChild, dbDir, dbIndex))
{
dbIndex++;
}
fileIndex++;
break;
case -1:
DBFileNotFound(dbChild, dbDir, ref dbIndex);
break;
}
if (_fileErrorAbort)
{
return;
}
if (enableCancel && !DBTypeGet.isCompressedDir(ft) && _thWrk.CancellationPending)
{
return;
}
}
}
/// <summary>
/// Called from 5 places:
/// 1: ScanFiles: main top level loop.
/// 2: MatchFound: called after a ZIP/SevenZip is matched to an item in the DB, where the zip has either changed or never been scanned or level 3 scanning
/// 3: MatchFound: called when an directory is matched to an item in the DB that is not from a DAT. (This is a directory not found in the main tree, as main tree dir's are processes in top level loop
/// 4: NewFileFound: called after a new unmatched ZIP/SevenZip is found.
/// 5: NewFileFound: called after a new unmatched DIR is found.
/// </summary>
/// <param name="dbDir"></param>
/// <param name="report"></param>
private static void CheckADir(RvFile dbDir, bool report)
{
if (_cacheSaveTimer.Elapsed.TotalMinutes > Settings.rvSettings.CacheSaveTimePeriod)
{
_thWrk.Report("Saving Cache");
DB.Write();
_thWrk.Report("Saving Cache Complete");
_cacheSaveTimer.Reset();
_cacheSaveTimer.Start();
}
string fullDir = dbDir.FullName;
if (report)
{
_thWrk.Report(new bgwText2(fullDir));
}
// 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.
RvFile 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 = Populate.FromAZipFile(dbDir, EScanLevel, _thWrk);
break;
case FileType.Dir:
fileDir = Populate.FromADir(dbDir, EScanLevel, _thWrk, ref _fileErrorAbort);
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)
{
_thWrk.Report(new bgwSetRange2(fileDir.ChildCount));
_thWrk.Report(new bgwRange2Visible(true));
}
if (!DBTypeGet.isCompressedDir(ft) && _thWrk.CancellationPending)
{
return;
}
Compare(dbDir, fileDir, report, true);
}
public static void Compare(RvDir dbDir, RvDir fileDir, bool report, bool enableCancel)
{
string fullDir = dbDir.FullName;
FileType ft = dbDir.FileType;
// now we scan down the dbDir and the scanDir, comparing them.
// if we find a match we mark dbDir as found.
// if we are missing a file in scanDir we mark that file in dbDir as missing.
// if we find extra files in scanDir we add it to dbDir and mark it as unknown.
// we also recurse into any sub directories.
int dbIndex = 0;
int fileIndex = 0;
while (dbIndex < dbDir.ChildCount || fileIndex < fileDir.ChildCount)
{
RvBase dbChild = null;
RvBase fileChild = null;
int res = 0;
if (dbIndex < dbDir.ChildCount && fileIndex < fileDir.ChildCount)
{
dbChild = dbDir.Child(dbIndex);
fileChild = fileDir.Child(fileIndex);
res = DBHelper.CompareName(dbChild, fileChild);
}
else if (fileIndex < fileDir.ChildCount)
{
//Get any remaining filedir's
fileChild = fileDir.Child(fileIndex);
res = 1;
}
else if (dbIndex < dbDir.ChildCount)
{
//Get any remaining dbDir's
dbChild = dbDir.Child(dbIndex);
res = -1;
}
if (report)
{
if (fileChild != null)
{
long timenow = DateTime.Now.Ticks;
if ((timenow - _lastUpdateTime) > (TimeSpan.TicksPerSecond / 10))
{
_lastUpdateTime = timenow;
_bgw.ReportProgress(0, new bgwValue2(fileIndex));
_bgw.ReportProgress(0, new bgwText2(Path.Combine(fullDir, fileChild.Name)));
}
}
}
// if this file was found in the DB
switch (res)
{
case 0:
if (dbChild == null || fileChild == null)
{
ReportError.SendAndShow(Resources.FileScanning_CheckADir_Error_in_File_Scanning_Code);
break;
}
//Complete MultiName Compare
List <RvBase> dbs = new List <RvBase>();
List <RvBase> files = new List <RvBase>();
int dbsCount = 1;
int filesCount = 1;
dbs.Add(dbChild);
files.Add(fileChild);
while (dbIndex + dbsCount < dbDir.ChildCount && DBHelper.CompareName(dbChild, dbDir.Child(dbIndex + dbsCount)) == 0)
{
dbs.Add(dbDir.Child(dbIndex + dbsCount));
dbsCount += 1;
}
while (fileIndex + filesCount < fileDir.ChildCount && DBHelper.CompareName(fileChild, fileDir.Child(fileIndex + filesCount)) == 0)
{
files.Add(fileDir.Child(fileIndex + filesCount));
filesCount += 1;
}
for (int indexfile = 0; indexfile < filesCount; indexfile++)
{
if (files[indexfile].SearchFound)
{
continue;
}
for (int indexdb = 0; indexdb < dbsCount; indexdb++)
{
if (dbs[indexdb].SearchFound)
{
continue;
}
bool matched = FullCompare(dbs[indexdb], files[indexfile], false, fullDir, EScanLevel);
if (!matched)
{
continue;
}
MatchFound(dbs[indexdb], files[indexfile]);
dbs[indexdb].SearchFound = true;
files[indexfile].SearchFound = true;
}
if (files[indexfile].SearchFound)
{
continue;
}
for (int indexdb = 0; indexdb < dbsCount; indexdb++)
{
if (dbs[indexdb].SearchFound)
{
continue;
}
bool matched = FullCompare(dbs[indexdb], files[indexfile], true, fullDir, EScanLevel);
if (!matched)
{
continue;
}
MatchFound(dbs[indexdb], files[indexfile]);
dbs[indexdb].SearchFound = true;
files[indexfile].SearchFound = true;
}
}
for (int indexdb = 0; indexdb < dbsCount; indexdb++)
{
if (dbs[indexdb].SearchFound)
{
dbIndex++;
continue;
}
DBFileNotFound(dbs[indexdb], dbDir, ref dbIndex);
}
for (int indexfile = 0; indexfile < filesCount; indexfile++)
{
if (files[indexfile].SearchFound)
{
continue;
}
NewFileFound(files[indexfile], dbDir, dbIndex);
dbIndex++;
}
fileIndex += filesCount;
break;
case 1:
NewFileFound(fileChild, dbDir, dbIndex);
dbIndex++;
fileIndex++;
break;
case -1:
DBFileNotFound(dbChild, dbDir, ref dbIndex);
break;
}
if (_fileErrorAbort)
{
return;
}
if (enableCancel && !DBTypeGet.isCompressedDir(ft) && _bgw.CancellationPending)
{
return;
}
}
}
private static void CheckADir(RvDir dbDir, bool report)
{
if (_cacheSaveTimer.Elapsed.TotalMinutes > Settings.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:
{
fileDir = new RvDir(ft);
// open the zip file
ZipFile checkZ = new ZipFile();
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 ".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);
}
public override void Read(BinaryReader br, List <RvDat> parentDirDats)
{
base.Read(br, parentDirDats);
bool foundTree = br.ReadBoolean();
if (foundTree)
{
Tree = new RvTreeRow();
Tree.Read(br);
}
else
{
Tree = null;
}
bool foundGame = br.ReadBoolean();
if (foundGame)
{
Game = new RvGame();
Game.Read(br);
}
else
{
Game = null;
}
int count = br.ReadInt32();
_dirDats.Clear();
for (int i = 0; i < count; i++)
{
RvDat dat = new RvDat {
DatIndex = i
};
dat.Read(br);
_dirDats.Add(dat);
string datname = TreeFullName + @"\" + dat.GetData(RvDat.DatData.DatName);
if ((datname.Length >= 9) && (datname.Substring(0, 9) == @"RomVault\"))
{
datname = datname.Substring(9);
}
DB.Bgw.ReportProgress(0, new bgwText("Loading: " + datname));
DB.Bgw.ReportProgress((int)br.BaseStream.Position);
}
if (_dirDats.Count > 0)
{
parentDirDats = _dirDats;
}
count = br.ReadInt32();
_children.Clear();
for (int i = 0; i < count; i++)
{
RvBase tChild = DBTypeGet.GetRvType((FileType)br.ReadByte());
tChild.Parent = this;
tChild.Read(br, parentDirDats);
_children.Add(tChild);
}
if (DBTypeGet.isCompressedDir(FileType))
{
ZipStatus = (ZipStatus)br.ReadByte();
}
}
