Пример #1
0
func NewStorage() *Storage {
	var stor storage.Storage
	var closeFn func() error
	if storageUseFS {
		for {
			storageMu.Lock()
			num := storageNum
			storageNum++
			storageMu.Unlock()
			path := filepath.Join(os.TempDir(), fmt.Sprintf("goleveldb-test%d0%d0%d", os.Getuid(), os.Getpid(), num))
			if _, err := os.Stat(path); os.IsNotExist(err) {
				stor, err = storage.OpenFile(path)
				ExpectWithOffset(1, err).NotTo(HaveOccurred(), "creating storage at %s", path)
				closeFn = func() error {
					if storageKeepFS {
						return nil
					}
					return os.RemoveAll(path)
				}
				break
			}
		}
	} else {
		stor = storage.NewMemStorage()
	}
	s := &Storage{
		Storage: stor,
		closeFn: closeFn,
		opens:   make(map[uint64]bool),
	}
	s.stallCond.L = &s.mu
	return s
}
Пример #2
0
// newMemoryNodeDB creates a new in-memory node database without a persistent
// backend.
func newMemoryNodeDB(self NodeID) (*nodeDB, error) {
	db, err := leveldb.Open(storage.NewMemStorage(), nil)
	if err != nil {
		return nil, err
	}
	return &nodeDB{
		lvl:  db,
		self: self,
		quit: make(chan struct{}),
	}, nil
}