Пример #1
0
func (cf *Config) GetChainstore() (chainstore.Store, error) {
	// First, reset cache storage path
	err := filepath.Walk(
		cf.Chainstore.Path,
		func(path string, info os.FileInfo, err error) error {
			if cf.Chainstore.Path == path {
				return nil // skip the root
			}
			if err = os.RemoveAll(path); err != nil {
				return fmt.Errorf("Failed to remove or clean the directory: %s, because: %s", path, err)
			}
			return nil
		},
	)
	if err != nil {
		return nil, err
	}

	// TODO: impl another kind of lrumgr (or option) to be based on number of keys, not filesize
	// at which point, we can add a method called .Keys() that will return the keys
	// matching some query from a Store, and we can seed the LRU this way, and keep
	// the bolt data..

	// Build the stores and setup the chain
	memStore := memstore.New(cf.Chainstore.MemCacheSize * 1024 * 1024)

	diskStore := lrumgr.New(cf.Chainstore.DiskCacheSize*1024*1024,
		metricsmgr.New("fn.store.bolt", nil,
			levelstore.New(cf.Chainstore.Path),
		),
	)

	var store chainstore.Store

	if cf.Chainstore.S3AccessKey != "" && cf.Chainstore.S3SecretKey != "" {
		s3Store := metricsmgr.New("fn.store.s3", nil,
			s3store.New(cf.Chainstore.S3Bucket, cf.Chainstore.S3AccessKey, cf.Chainstore.S3SecretKey),
		)

		store = chainstore.New(memStore, chainstore.Async(diskStore, s3Store))
	} else {
		store = chainstore.New(memStore, chainstore.Async(diskStore))
	}

	if err := store.Open(); err != nil {
		return nil, err
	}
	return store, nil
}
Пример #2
0
func TestLevelStore(t *testing.T) {
	var store chainstore.Store
	var err error

	store = levelstore.New(chainstore.TempDir())
	err = store.Open()
	if err != nil {
		t.Error(err)
	}
	defer store.Close()

	Convey("Leveldb Open", t, func() {

		Convey("Put a bunch of objects", func() {
			e1 := store.Put("hi", []byte{1, 2, 3})
			e2 := store.Put("bye", []byte{4, 5, 6})
			So(e1, ShouldEqual, nil)
			So(e2, ShouldEqual, nil)
		})

		Convey("Get those objects", func() {
			v1, _ := store.Get("hi")
			v2, _ := store.Get("bye")
			So(v1, ShouldResemble, []byte{1, 2, 3})
			So(v2, ShouldResemble, []byte{4, 5, 6})
		})

		Convey("Delete those objects", func() {
			e1 := store.Del("hi")
			e2 := store.Del("bye")
			So(e1, ShouldEqual, nil)
			So(e2, ShouldEqual, nil)
		})

	})
}