Golang DirectoryEntry.SetInode方法代码示例

func addSymlink(dirent *filesystem.DirectoryEntry,
	fileSystem, oldFS *FileSystem,
	directoryPathName string, stat *syscall.Stat_t) error {
	if inode, ok := fileSystem.InodeTable[stat.Ino]; ok {
		if inode, ok := inode.(*filesystem.SymlinkInode); ok {
			dirent.SetInode(inode)
			return nil
		}
		return errors.New("Inode changed type: " + dirent.Name)
	}
	inode := makeSymlinkInode(stat)
	err := scanSymlinkInode(inode, fileSystem,
		path.Join(directoryPathName, dirent.Name))
	if err != nil {
		return err
	}
	if oldFS != nil && oldFS.InodeTable != nil {
		if oldInode, found := oldFS.InodeTable[stat.Ino]; found {
			if oldInode, ok := oldInode.(*filesystem.SymlinkInode); ok {
				if filesystem.CompareSymlinkInodes(inode, oldInode, nil) {
					inode = oldInode
				}
			}
		}
	}
	dirent.SetInode(inode)
	fileSystem.InodeTable[stat.Ino] = inode
	return nil
}

func addDirectory(dirent, oldDirent *filesystem.DirectoryEntry,
	fileSystem, oldFS *FileSystem,
	directoryPathName string, stat *syscall.Stat_t) error {
	myPathName := path.Join(directoryPathName, dirent.Name)
	if stat.Ino == fileSystem.inodeNumber {
		return errors.New("Recursive directory: " + myPathName)
	}
	if _, ok := fileSystem.InodeTable[stat.Ino]; ok {
		return errors.New("Hardlinked directory: " + myPathName)
	}
	inode := new(filesystem.DirectoryInode)
	dirent.SetInode(inode)
	fileSystem.InodeTable[stat.Ino] = inode
	inode.Mode = filesystem.FileMode(stat.Mode)
	inode.Uid = stat.Uid
	inode.Gid = stat.Gid
	var oldInode *filesystem.DirectoryInode
	if oldDirent != nil {
		if oi, ok := oldDirent.Inode().(*filesystem.DirectoryInode); ok {
			oldInode = oi
		}
	}
	err, copied := scanDirectory(inode, oldInode, fileSystem, oldFS, myPathName)
	if err != nil {
		return err
	}
	if copied && filesystem.CompareDirectoriesMetadata(inode, oldInode, nil) {
		dirent.SetInode(oldInode)
		fileSystem.InodeTable[stat.Ino] = oldInode
	}
	fileSystem.DirectoryCount++
	return nil
}

func (decoderData *decoderData) addEntry(parent *filesystem.DirectoryInode,
	fullName, name string, inode filesystem.GenericInode) {
	var newEntry filesystem.DirectoryEntry
	newEntry.Name = name
	newEntry.InodeNumber = decoderData.nextInodeNumber
	newEntry.SetInode(inode)
	parent.EntryList = append(parent.EntryList, &newEntry)
	decoderData.addInode(fullName, inode)
}

func addSpecialFile(dirent *filesystem.DirectoryEntry,
	fileSystem, oldFS *FileSystem, stat *syscall.Stat_t) error {
	if inode, ok := fileSystem.InodeTable[stat.Ino]; ok {
		if inode, ok := inode.(*filesystem.SpecialInode); ok {
			dirent.SetInode(inode)
			return nil
		}
		return errors.New("Inode changed type: " + dirent.Name)
	}
	inode := makeSpecialInode(stat)
	if oldFS != nil && oldFS.InodeTable != nil {
		if oldInode, found := oldFS.InodeTable[stat.Ino]; found {
			if oldInode, ok := oldInode.(*filesystem.SpecialInode); ok {
				if filesystem.CompareSpecialInodes(inode, oldInode, nil) {
					inode = oldInode
				}
			}
		}
	}
	dirent.SetInode(inode)
	fileSystem.InodeTable[stat.Ino] = inode
	return nil
}

// Returns true if there is a failure due to missing computed files.
func (sub *Sub) compareDirectories(request *subproto.UpdateRequest,
	subDirectory, requiredDirectory *filesystem.DirectoryInode,
	myPathName string, deleteMissingComputedFiles bool,
	logger *log.Logger) bool {
	// First look for entries that should be deleted.
	if sub.filter != nil && subDirectory != nil {
		for name := range subDirectory.EntriesByName {
			pathname := path.Join(myPathName, name)
			if sub.filter.Match(pathname) {
				continue
			}
			if _, ok := requiredDirectory.EntriesByName[name]; !ok {
				request.PathsToDelete = append(request.PathsToDelete, pathname)
			}
		}
	}
	for name, requiredEntry := range requiredDirectory.EntriesByName {
		pathname := path.Join(myPathName, name)
		if sub.filter != nil && sub.filter.Match(pathname) {
			continue
		}
		var subEntry *filesystem.DirectoryEntry
		if subDirectory != nil {
			if se, ok := subDirectory.EntriesByName[name]; ok {
				subEntry = se
			}
		}
		requiredInode := requiredEntry.Inode()
		if _, ok := requiredInode.(*filesystem.ComputedRegularInode); ok {
			// Replace with computed file.
			inode, ok := sub.ComputedInodes[pathname]
			if !ok {
				if deleteMissingComputedFiles {
					if subEntry != nil {
						request.PathsToDelete = append(request.PathsToDelete,
							pathname)
					}
					continue
				}
				logger.Printf(
					"compareDirectories(%s): missing computed file: %s\n",
					sub, pathname)
				return true
			}
			setComputedFileMtime(inode, subEntry)
			newEntry := new(filesystem.DirectoryEntry)
			newEntry.Name = name
			newEntry.InodeNumber = requiredEntry.InodeNumber
			newEntry.SetInode(inode)
			requiredEntry = newEntry
		}
		if subEntry == nil {
			sub.addEntry(request, requiredEntry, pathname)
		} else {
			sub.compareEntries(request, subEntry, requiredEntry, pathname)
		}
		// If a directory: descend (possibly with the directory for the sub).
		if requiredInode, ok := requiredInode.(*filesystem.DirectoryInode); ok {
			var subInode *filesystem.DirectoryInode
			if subEntry != nil {
				if si, ok := subEntry.Inode().(*filesystem.DirectoryInode); ok {
					subInode = si
				}
			}
			sub.compareDirectories(request, subInode, requiredInode, pathname,
				deleteMissingComputedFiles, logger)
		}
	}
	return false
}