コード例 #1
0
ファイル: pin.go プロジェクト: carriercomm/interplanetary
// NewPinner creates a new pinner using the given datastore as a backend
func NewPinner(dstore ds.Datastore, serv mdag.DAGService) Pinner {

	// Load set from given datastore...
	rcds := nsds.Wrap(dstore, recursePinDatastoreKey)
	rcset := set.NewDBWrapperSet(rcds, set.NewSimpleBlockSet())

	dirds := nsds.Wrap(dstore, directPinDatastoreKey)
	dirset := set.NewDBWrapperSet(dirds, set.NewSimpleBlockSet())

	nsdstore := nsds.Wrap(dstore, indirectPinDatastoreKey)
	return &pinner{
		recursePin: rcset,
		directPin:  dirset,
		indirPin:   NewIndirectPin(nsdstore),
		dserv:      serv,
		dstore:     dstore,
	}
}
コード例 #2
0
func (ks *DSSuite) TestBasic(c *C) {

	mpds := ds.NewMapDatastore()
	nsds := ns.Wrap(mpds, ds.NewKey("abc"))

	keys := strsToKeys([]string{
		"foo",
		"foo/bar",
		"foo/bar/baz",
		"foo/barb",
		"foo/bar/bazb",
		"foo/bar/baz/barb",
	})

	for _, k := range keys {
		err := nsds.Put(k, []byte(k.String()))
		c.Check(err, Equals, nil)
	}

	for _, k := range keys {
		v1, err := nsds.Get(k)
		c.Check(err, Equals, nil)
		c.Check(bytes.Equal(v1.([]byte), []byte(k.String())), Equals, true)

		v2, err := mpds.Get(ds.NewKey("abc").Child(k))
		c.Check(err, Equals, nil)
		c.Check(bytes.Equal(v2.([]byte), []byte(k.String())), Equals, true)
	}

	listA, errA := mpds.KeyList()
	listB, errB := nsds.KeyList()
	c.Check(errA, Equals, nil)
	c.Check(errB, Equals, nil)
	c.Check(len(listA), Equals, len(listB))

	// sort them cause yeah.
	sort.Sort(ds.KeySlice(listA))
	sort.Sort(ds.KeySlice(listB))

	for i, kA := range listA {
		kB := listB[i]
		c.Check(nsds.InvertKey(kA), Equals, kB)
		c.Check(kA, Equals, nsds.ConvertKey(kB))
	}
}
コード例 #3
0
func Example() {
	mp := ds.NewMapDatastore()
	ns := nsds.Wrap(mp, ds.NewKey("/foo/bar"))

	k := ds.NewKey("/beep")
	v := "boop"

	ns.Put(k, v)
	fmt.Printf("ns.Put %s %s\n", k, v)

	v2, _ := ns.Get(k)
	fmt.Printf("ns.Get %s -> %s\n", k, v2)

	k3 := ds.NewKey("/foo/bar/beep")
	v3, _ := mp.Get(k3)
	fmt.Printf("mp.Get %s -> %s\n", k3, v3)
	// Output:
	// ns.Put /beep boop
	// ns.Get /beep -> boop
	// mp.Get /foo/bar/beep -> boop
}