Esempio n. 1
0
func (s *server) AddDisk(name, root string) error {
	s.disks[name] = &disk.Disk{Name: name, Root: root}
	err := os.MkdirAll(root, 0700)
	if err != nil {
		return err
	}

	pwd, err := os.Getwd()
	if err != nil {
		log.Panicf("server: cannot get current working directory (%v)", err)
	}

	log.Infof("server: created disk[%s] at root path[%s]", name, path.Join(pwd, root))
	return nil
}
Esempio n. 2
0
File: disk.go Progetto: missmayo/cfs
// fillBlock fills the partial block starting from the given offset with the
// given data. It first reads out the block, fills in the given data, and
// writes the block back.
// The given index and offset should locate an existing point in the file.
// The given bsize indicates the size of each block.
// The given data should all be in the target block, and not exceed the
// block boundary.
func fillBlock(f *os.File, index, offset, bsize int64, data []byte) error {
	buf := make([]byte, bsize-crc32Len)
	n, err := readBlock(f, buf, index, bsize)
	if err != nil && err != io.EOF {
		return err
	}
	switch {
	case n < offset:
		log.Panicf("offset should be not bigger than file size")
	case n < offset+int64(len(data)):
		buf = append(buf[:offset], data...)
	default:
		copy(buf[offset:offset+int64(len(data))], data)
		buf = buf[:n]
	}
	return writeBlock(f, index, bsize, buf)
}
Esempio n. 3
0
File: sync.go Progetto: dckit/dccli
// NewSyncer construct a syncer with the given sender and conf
// If conf.Path is not exist it will return err
func NewSyncer(sender Sender, conf SyncConfig) (*Syncer, error) {
	if conf.BatchSize == 0 {
		conf.BatchSize = DefaultBatchSize
	} else if conf.BatchSize > MaxBatchSize {
		log.Panicf("BatchSize %d > %d", conf.BatchSize, MaxBatchSize)
	}
	if conf.IntervalSecond == 0 {
		conf.IntervalSecond = DefaultIntervalSecond
	} else if conf.IntervalSecond < 0 {
		conf.IntervalSecond = 0
	}
	if conf.Separator == 0 {
		conf.Separator = DefaultSeparator
	}

	isdir, err := isDir(conf.Path)
	if err != nil {
		return nil, err
	}

	var (
		dir = conf.Path
		mp  = "*"
	)

	if !isdir {
		dir = filepath.Dir(conf.Path)
		mp = filepath.Base(conf.Path) + "*"
	}

	if dir, err = filepath.Abs(dir); err != nil {
		return nil, err
	}

	syncer := &Syncer{
		SyncConfig:   &conf,
		dir:          dir,
		matchPattern: mp,
		sender:       sender,
		endch:        make(chan struct{}),
	}

	return syncer, nil
}