Пример #1
0
        private void CopyFiles(NtfsFileSystem sourceNtfs, NtfsFileSystem destNtfs, string path, bool subs)
        {
            if (subs)
            {
                foreach (var dir in sourceNtfs.GetDirectories(path))
                {
                    if (!IsExcluded(dir))
                    {
                        int hardLinksRemaining = sourceNtfs.GetHardLinkCount(dir) - 1;
                        bool newDir = false;

                        long sourceFileId = sourceNtfs.GetFileId(dir);
                        string refPath;
                        if (_uniqueFiles.TryGetValue(sourceFileId, out refPath))
                        {
                            // If this is another name for a known dir, recreate the hard link
                            destNtfs.CreateHardLink(refPath, dir);
                        }
                        else
                        {
                            destNtfs.CreateDirectory(dir);
                            newDir = true;

                            FileAttributes fileAttrs = sourceNtfs.GetAttributes(dir);
                            if ((fileAttrs & FileAttributes.ReparsePoint) != 0)
                            {
                                destNtfs.SetReparsePoint(dir, sourceNtfs.GetReparsePoint(dir));
                            }

                            destNtfs.SetAttributes(dir, fileAttrs);

                            destNtfs.SetSecurity(dir, sourceNtfs.GetSecurity(dir));
                        }

                        // File may have a short name
                        string shortName = sourceNtfs.GetShortName(dir);
                        if (!string.IsNullOrEmpty(shortName) && shortName != dir)
                        {
                            destNtfs.SetShortName(dir, shortName);
                            --hardLinksRemaining;
                        }

                        if (newDir)
                        {
                            if (hardLinksRemaining > 0)
                            {
                                _uniqueFiles[sourceFileId] = dir;
                            }
                            CopyFiles(sourceNtfs, destNtfs, dir, subs);
                        }

                        // Set standard information last (includes modification timestamps)
                        destNtfs.SetFileStandardInformation(dir, sourceNtfs.GetFileStandardInformation(dir));
                    }
                }
            }

            foreach (var file in sourceNtfs.GetFiles(path))
            {
                Console.WriteLine(file);

                int hardLinksRemaining = sourceNtfs.GetHardLinkCount(file) - 1;

                long sourceFileId = sourceNtfs.GetFileId(file);

                string refPath;
                if (_uniqueFiles.TryGetValue(sourceFileId, out refPath))
                {
                    // If this is another name for a known file, recreate the hard link
                    destNtfs.CreateHardLink(refPath, file);
                }
                else
                {
                    CopyFile(sourceNtfs, destNtfs, file);

                    if (hardLinksRemaining > 0)
                    {
                        _uniqueFiles[sourceFileId] = file;
                    }
                }

                // File may have a short name
                string shortName = sourceNtfs.GetShortName(file);
                if (!string.IsNullOrEmpty(shortName) && shortName != file)
                {
                    destNtfs.SetShortName(file, shortName);
                }
            }
        }
Пример #2
0
        private void CopyFile(NtfsFileSystem sourceNtfs, NtfsFileSystem destNtfs, string path)
        {
            if (IsExcluded(path))
            {
                return;
            }

            using (Stream s = sourceNtfs.OpenFile(path, FileMode.Open, FileAccess.Read))
            using (Stream d = destNtfs.OpenFile(path, FileMode.Create, FileAccess.ReadWrite))
            {
                d.SetLength(s.Length);
                int numRead = s.Read(s_copyBuffer, 0, s_copyBuffer.Length);
                while (numRead > 0)
                {
                    d.Write(s_copyBuffer, 0, numRead);
                    numRead = s.Read(s_copyBuffer, 0, s_copyBuffer.Length);
                }
            }

            destNtfs.SetSecurity(path, sourceNtfs.GetSecurity(path));
            destNtfs.SetFileStandardInformation(path, sourceNtfs.GetFileStandardInformation(path));
        }