Golang offline.NewOfflineRouter函数代码示例

func setupIpnsTest(t *testing.T, node *core.IpfsNode) (*core.IpfsNode, *fstest.Mount) {
	maybeSkipFuseTests(t)

	var err error
	if node == nil {
		node, err = core.NewNode(context.Background(), nil)
		if err != nil {
			t.Fatal(err)
		}

		err = node.LoadPrivateKey()
		if err != nil {
			t.Fatal(err)
		}

		node.Routing = offroute.NewOfflineRouter(node.Repo.Datastore(), node.PrivateKey)
		node.Namesys = namesys.NewNameSystem(node.Routing, node.Repo.Datastore(), 0)

		err = InitializeKeyspace(node, node.PrivateKey)
		if err != nil {
			t.Fatal(err)
		}
	}

	fs, err := NewFileSystem(node, node.PrivateKey, "", "")
	if err != nil {
		t.Fatal(err)
	}
	mnt, err := fstest.MountedT(t, fs)
	if err != nil {
		t.Fatal(err)
	}

	return node, mnt
}

// NewMockNode constructs an IpfsNode for use in tests.
func NewMockNode() (*core.IpfsNode, error) {
	ctx := context.Background()

	// Generate Identity
	ident, err := testutil.RandIdentity()
	if err != nil {
		return nil, err
	}
	p := ident.ID()

	c := config.Config{
		Identity: config.Identity{
			PeerID: p.String(),
		},
	}

	nd, err := core.Offline(&repo.Mock{
		C: c,
		D: ds2.CloserWrap(syncds.MutexWrap(datastore.NewMapDatastore())),
	})(ctx)
	if err != nil {
		return nil, err
	}

	nd.PrivateKey = ident.PrivateKey()
	nd.Peerstore = peer.NewPeerstore()
	nd.Peerstore.AddPrivKey(p, ident.PrivateKey())
	nd.Peerstore.AddPubKey(p, ident.PublicKey())
	nd.Identity = p

	nd.PeerHost, err = mocknet.New(nd.Context()).AddPeer(ident.PrivateKey(), ident.Address()) // effectively offline
	if err != nil {
		return nil, err
	}

	// Routing
	nd.Routing = offrt.NewOfflineRouter(nd.Repo.Datastore(), nd.PrivateKey)

	// Bitswap
	bstore := blockstore.NewBlockstore(nd.Repo.Datastore())
	bserv, err := blockservice.New(bstore, offline.Exchange(bstore))
	if err != nil {
		return nil, err
	}

	nd.DAG = mdag.NewDAGService(bserv)

	nd.Pinning = pin.NewPinner(nd.Repo.Datastore(), nd.DAG)

	// Namespace resolver
	nd.Namesys = nsys.NewNameSystem(nd.Routing)

	// Path resolver
	nd.Resolver = &path.Resolver{DAG: nd.DAG}

	return nd, nil
}

// SetupOfflineRouting loads the local nodes private key and
// uses it to instantiate a routing system in offline mode.
// This is primarily used for offline ipns modifications.
func (n *IpfsNode) SetupOfflineRouting() error {
	err := n.LoadPrivateKey()
	if err != nil {
		return err
	}

	n.Routing = offroute.NewOfflineRouter(n.Repo.Datastore(), n.PrivateKey)

	n.Namesys = namesys.NewNameSystem(n.Routing)

	return nil
}

func TestPublishWithCache0(t *testing.T) {
	dst := ds.NewMapDatastore()
	priv, _, err := ci.GenerateKeyPair(ci.RSA, 1024)
	if err != nil {
		t.Fatal(err)
	}
	routing := offroute.NewOfflineRouter(dst, priv)

	nsys := NewNameSystem(routing, dst, 0)
	p, err := path.ParsePath(unixfs.EmptyDirNode().Cid().String())
	if err != nil {
		t.Fatal(err)
	}
	nsys.Publish(context.Background(), priv, p)
}

// SetupOfflineRouting loads the local nodes private key and
// uses it to instantiate a routing system in offline mode.
// This is primarily used for offline ipns modifications.
func (n *IpfsNode) SetupOfflineRouting() error {
	if n.Routing != nil {
		// Routing was already set up
		return nil
	}
	err := n.LoadPrivateKey()
	if err != nil {
		return err
	}

	n.Routing = offroute.NewOfflineRouter(n.Repo.Datastore(), n.PrivateKey)

	size, err := n.getCacheSize()
	if err != nil {
		return err
	}

	n.Namesys = namesys.NewNameSystem(n.Routing, n.Repo.Datastore(), size)

	return nil
}

			}
		}

		nocache, _, _ := req.Option("nocache").Bool()
		local, _, _ := req.Option("local").Bool()

		// default to nodes namesys resolver
		var resolver namesys.Resolver = n.Namesys

		if local && nocache {
			res.SetError(errors.New("cannot specify both local and nocache"), cmds.ErrNormal)
			return
		}

		if local {
			offroute := offline.NewOfflineRouter(n.Repo.Datastore(), n.PrivateKey)
			resolver = namesys.NewRoutingResolver(offroute, 0)
		}

		if nocache {
			resolver = namesys.NewNameSystem(n.Routing, n.Repo.Datastore(), 0)
		}

		var name string
		if len(req.Arguments()) == 0 {
			if n.Identity == "" {
				res.SetError(errors.New("Identity not loaded!"), cmds.ErrNormal)
				return
			}
			name = n.Identity.Pretty()

// Test externally unmounting, then trying to unmount in code
func TestExternalUnmount(t *testing.T) {
	if testing.Short() {
		t.SkipNow()
	}

	// TODO: needed?
	maybeSkipFuseTests(t)

	node, err := core.NewNode(context.Background(), nil)
	if err != nil {
		t.Fatal(err)
	}

	err = node.LoadPrivateKey()
	if err != nil {
		t.Fatal(err)
	}

	node.Routing = offroute.NewOfflineRouter(node.Repo.Datastore(), node.PrivateKey)
	node.Namesys = namesys.NewNameSystem(node.Routing, node.Repo.Datastore(), 0)

	err = ipns.InitializeKeyspace(node, node.PrivateKey)
	if err != nil {
		t.Fatal(err)
	}

	// get the test dir paths (/tmp/fusetestXXXX)
	dir, err := ioutil.TempDir("", "fusetest")
	if err != nil {
		t.Fatal(err)
	}

	ipfsDir := dir + "/ipfs"
	ipnsDir := dir + "/ipns"
	mkdir(t, ipfsDir)
	mkdir(t, ipnsDir)

	err = Mount(node, ipfsDir, ipnsDir)
	if err != nil {
		t.Fatal(err)
	}

	// Run shell command to externally unmount the directory
	cmd := "fusermount"
	args := []string{"-u", ipnsDir}
	if err := exec.Command(cmd, args...).Run(); err != nil {
		t.Fatal(err)
	}

	// TODO(noffle): it takes a moment for the goroutine that's running fs.Serve to be notified and do its cleanup.
	time.Sleep(time.Millisecond * 100)

	// Attempt to unmount IPNS; check that it was already unmounted.
	err = node.Mounts.Ipns.Unmount()
	if err != mount.ErrNotMounted {
		t.Fatal("Unmount should have failed")
	}

	// Attempt to unmount IPFS; it should unmount successfully.
	err = node.Mounts.Ipfs.Unmount()
	if err != nil {
		t.Fatal(err)
	}
}