/// <summary>
/// Enumerates all files and directories from a given directory (PathTooLong safe, volume guid safe).
/// </summary>
public static WIN32_FILE[] GetEntries(string path, string searchPattern, SearchOption searchOption)
{
IEnumerable <WIN32_FILE> IEn = EnumerateEntries(FixPath(path), searchPattern, searchOption);
List <WIN32_FILE> lTmp = new List <WIN32_FILE>(IEn);
WIN32_FILE[] lEntries = new WIN32_FILE[lTmp.Count];
lTmp.CopyTo(lEntries);
return(lEntries);
}
// find all differences
internal static bool Find(string sSourceRoot, string sDestRoot)
{
long lTotalSize = 0; // total size of all processed files in bytes
List <string> lErrorList = new List <string>(); // list of all errors which occured during process
List <string> lFilesSource = new List <string>(); // all relative file pathes from source drive (without drive)
List <string> lDirsSource = new List <string>(); // all relative folder pathes from source drive (without drive)
// get all entries on drive root (TopDirectoryOnly)
// we have to skip volume specific folders here ($RECYCLE.BIN / System Volume Information)
List <string> lRootDirs = Directory.GetDirectories(sSourceRoot).Where(s => !s.EndsWith("$RECYCLE.BIN") && !s.EndsWith("System Volume Information")).ToList();
List <WIN32_FILE> lEntries = DLLS.GetEntriesList(sSourceRoot, "*", SearchOption.TopDirectoryOnly).Where(s => !s.Name.EndsWith("$RECYCLE.BIN") && !s.Name.EndsWith("System Volume Information")).ToList();
// get all entries from root directories and append to entries list
foreach (var sDir in lRootDirs)
{
lEntries.AddRange(DLLS.GetEntriesList(sDir, "*", SearchOption.AllDirectories));
}
// remove any duplicates?
//var xEntries = new HashSet<WIN32_FILE>(lEntries); // HashSet is a lot faster than Distinct().ToList() when > 1*10^6 entries
// copy entry list to WIN32_FILE array
WIN32_FILE[] aSoureFiles = new WIN32_FILE[lEntries.Count];
lEntries.CopyTo(aSoureFiles);
lRootDirs.Clear();
lEntries.Clear(); // IMPORTANT: we will reuse lEntries as a temporary list
Print("Found " + aSoureFiles.Length + " entries on source drive.");
int iDirs = 0; // count all directories
int iFiles = 0; // count all files
foreach (var SourceFile in aSoureFiles)
{
// handle directories
if (SourceFile.isDirectory)
{
iDirs++;
if (!lDirsSource.Contains(DLLS.GetPathDirs(SourceFile.FullPath)))
{
lDirsSource.Add(DLLS.GetPathDirs(SourceFile.FullPath));
}
continue;
}
iFiles++;
lTotalSize += SourceFile.Size; // add filesize to total size
lFilesSource.Add(DLLS.GetPathDirs(SourceFile.FullPath)); // add full relative path from file
string sDestPath = sDestRoot + DLLS.GetPathDirs(SourceFile.FullPath); // create a hypothetically destination path for current file
bool bAdd = false; // should the file be synchronized?
try
{
// if file does not exist on destination drive (new file)
if (!DLLS.FileExists(sDestPath))
{
bAdd = true;
}
else if (!bOnlyNew)
{
WIN32_FILE DestFile = DLLS.GetFile(sDestPath); // get file infos
if (!bIgnoreSize) // compare filesizes
{
if (SourceFile.Size != DestFile.Size)
{
bAdd = true;
}
}
if (!bIgnoreTime && !bAdd) // compare last modification time
{
if (SourceFile.LastWriteTime != DestFile.LastWriteTime)
{
bAdd = true;
}
}
if (bCheckHash && !bAdd) // calculate and compare checksums
{
string sSourceHash = DLLS.GetHashFromFile(SourceFile.FullPath, haChecksumAlgorithm);
string sDestHash = DLLS.GetHashFromFile(DestFile.FullPath, haChecksumAlgorithm);
if (sSourceHash != sDestHash)
{
bAdd = true;
}
}
}
}
catch (Exception ex)
{
lErrorList.Add(ex.Message); // add any error to error list for now
}
// add file which will be synchronized to entries list (temporary)
if (bAdd)
{
lEntries.Add(SourceFile);
lSyncSize += SourceFile.Size;
}
UpdateProgress(iFiles + iDirs, aSoureFiles.Length); // show progress
}
Print("");
Print("");
// copy all file information which shall be synchronized to array
FilesToSync = new WIN32_FILE[lEntries.Count];
lEntries.CopyTo(FilesToSync);
lEntries.Clear();
// get all entries from destination drive
lRootDirs = Directory.GetDirectories(sDestRoot).Where(s => !s.EndsWith("$RECYCLE.BIN") && !s.EndsWith("System Volume Information")).ToList();
lEntries = DLLS.GetEntriesList(sDestRoot, "*", SearchOption.TopDirectoryOnly).Where(s => !s.Name.EndsWith("$RECYCLE.BIN") && !s.Name.EndsWith("System Volume Information")).ToList();
foreach (var sDir in lRootDirs)
{
lEntries.AddRange(DLLS.GetEntriesList(sDir, "*", SearchOption.AllDirectories));
}
WIN32_FILE[] aDestFiles = new WIN32_FILE[lEntries.Count];
lEntries.CopyTo(aDestFiles);
lEntries.Clear();
lRootDirs.Clear();
Print("Found " + aDestFiles.Length + " entries on destination drive.");
foreach (var DestFile in aDestFiles)
{
// handle directories
if (DestFile.isDirectory)
{
// mark folder for deletation if relative path of destination dir is not present on source drive
if (!lDirsSource.Contains(DLLS.GetPathDirs(DestFile.FullPath)))
{
if (!lDirsToDelete.Contains(DestFile.FullPath))
{
lDirsToDelete.Add(DestFile.FullPath); // fill list with full path from destination drive
}
}
else
{
lDirsSource.Remove(DLLS.GetPathDirs(DestFile.FullPath)); // remove entry from source dir list so we can speed up future look up
}
continue;
}
// handle files
if (!lFilesSource.Contains(DLLS.GetPathDirs(DestFile.FullPath)))
{
lFilesToDelete.Add(DestFile.FullPath); // fill list with full path from destination drive
}
else
{
lFilesSource.Remove(DLLS.GetPathDirs(DestFile.FullPath)); // remove entry from source file list so we can speed up future look up
}
}
// print all errors
if (lErrorList.Count > 0)
{
PrintError("ERROR: ");
Logger("ERROR: ");
foreach (var sErrorMsg in lErrorList)
{
Print(sErrorMsg);
Logger(sErrorMsg);
}
Print("");
Print("");
Logger("");
}
Print("Processed " + iFiles + " files on source drive (" + String.Format("{0:0.00}", lTotalSize / 1073741824f) + " GiB)");
Logger("Processed " + iFiles + " files on source drive (" + String.Format("{0:0.00}", lTotalSize / 1073741824f) + " GiB)");
Print(FilesToSync.Length + " files to sync (" + String.Format("{0:0.00}", lSyncSize / 1073741824f) + " GiB)");
Logger(FilesToSync.Length + " files to sync (" + String.Format("{0:0.00}", lSyncSize / 1073741824f) + " GiB)");
Print(lFilesToDelete.Count + " files to delete on destination drive");
Logger(lFilesToDelete.Count + " files to delete on destination drive");
Print(lDirsToDelete.Count + " folders to delete on destination drive");
Logger(lDirsToDelete.Count + " folders to delete on destination drive");
// return result
return(lErrorList.Count < 1);
}