Golang key.String函数代码示例

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本文整理汇总了Golang中github.com/ipfs/go-ipfs/blocks/key.String函数的典型用法代码示例。如果您正苦于以下问题：Golang String函数的具体用法？Golang String怎么用？Golang String使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了String函数的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: TestRecurivePathResolution

func TestRecurivePathResolution(t *testing.T) {
	ctx := context.Background()
	dstore := sync.MutexWrap(datastore.NewMapDatastore())
	bstore := blockstore.NewBlockstore(dstore)
	bserv, err := blockservice.New(bstore, offline.Exchange(bstore))
	if err != nil {
		t.Fatal(err)
	}

	dagService := merkledag.NewDAGService(bserv)

	a, _ := randNode()
	b, _ := randNode()
	c, cKey := randNode()

	err = b.AddNodeLink("grandchild", c)
	if err != nil {
		t.Fatal(err)
	}

	err = a.AddNodeLink("child", b)
	if err != nil {
		t.Fatal(err)
	}

	err = dagService.AddRecursive(a)
	if err != nil {
		t.Fatal(err)
	}

	aKey, err := a.Key()
	if err != nil {
		t.Fatal(err)
	}

	segments := []string{aKey.String(), "child", "grandchild"}
	p, err := path.FromSegments("/ipfs/", segments...)
	if err != nil {
		t.Fatal(err)
	}

	resolver := &path.Resolver{DAG: dagService}
	node, err := resolver.ResolvePath(ctx, p)
	if err != nil {
		t.Fatal(err)
	}

	key, err := node.Key()
	if err != nil {
		t.Fatal(err)
	}
	if key.String() != cKey.String() {
		t.Fatal(fmt.Errorf(
			"recursive path resolution failed for %s: %s != %s",
			p.String(), key.String(), cKey.String()))
	}
}

开发者ID:avbalu，项目名称:go-ipfs，代码行数:57，代码来源:resolver_test.go

示例2: putEmptyDirHandler

func (i *gatewayHandler) putEmptyDirHandler(w http.ResponseWriter, r *http.Request) {
	newnode := uio.NewEmptyDirectory()

	key, err := i.node.DAG.Add(newnode)
	if err != nil {
		webError(w, "Could not recursively add new node", err, http.StatusInternalServerError)
		return
	}

	w.Header().Set("IPFS-Hash", key.String())
	http.Redirect(w, r, ipfsPathPrefix+key.String()+"/", http.StatusCreated)
}

开发者ID:heems，项目名称:go-ipfs，代码行数:12，代码来源:gateway_handler.go

示例3: TestRecurivePathResolution

func TestRecurivePathResolution(t *testing.T) {
	ctx := context.Background()
	dagService := dagmock.Mock()

	a, _ := randNode()
	b, _ := randNode()
	c, cKey := randNode()

	err := b.AddNodeLink("grandchild", c)
	if err != nil {
		t.Fatal(err)
	}

	err = a.AddNodeLink("child", b)
	if err != nil {
		t.Fatal(err)
	}

	for _, n := range []*merkledag.Node{a, b, c} {
		_, err = dagService.Add(n)
		if err != nil {
			t.Fatal(err)
		}
	}

	aKey, err := a.Key()
	if err != nil {
		t.Fatal(err)
	}

	segments := []string{aKey.String(), "child", "grandchild"}
	p, err := path.FromSegments("/ipfs/", segments...)
	if err != nil {
		t.Fatal(err)
	}

	resolver := &path.Resolver{DAG: dagService}
	node, err := resolver.ResolvePath(ctx, p)
	if err != nil {
		t.Fatal(err)
	}

	key, err := node.Key()
	if err != nil {
		t.Fatal(err)
	}
	if key.String() != cKey.String() {
		t.Fatal(fmt.Errorf(
			"recursive path resolution failed for %s: %s != %s",
			p.String(), key.String(), cKey.String()))
	}
}

开发者ID:ccsblueboy，项目名称:go-ipfs，代码行数:52，代码来源:resolver_test.go

示例4: deleteHandler

func (i *gatewayHandler) deleteHandler(w http.ResponseWriter, r *http.Request) {
	urlPath := r.URL.Path
	ctx, cancel := context.WithCancel(i.node.Context())
	defer cancel()

	ipfsNode, err := core.Resolve(ctx, i.node, path.Path(urlPath))
	if err != nil {
		// FIXME HTTP error code
		webError(w, "Could not resolve name", err, http.StatusInternalServerError)
		return
	}

	k, err := ipfsNode.Key()
	if err != nil {
		webError(w, "Could not get key from resolved node", err, http.StatusInternalServerError)
		return
	}

	h, components, err := path.SplitAbsPath(path.FromKey(k))
	if err != nil {
		webError(w, "Could not split path", err, http.StatusInternalServerError)
		return
	}

	tctx, cancel := context.WithTimeout(ctx, time.Minute)
	defer cancel()
	rootnd, err := i.node.Resolver.DAG.Get(tctx, key.Key(h))
	if err != nil {
		webError(w, "Could not resolve root object", err, http.StatusBadRequest)
		return
	}

	pathNodes, err := i.node.Resolver.ResolveLinks(tctx, rootnd, components[:len(components)-1])
	if err != nil {
		webError(w, "Could not resolve parent object", err, http.StatusBadRequest)
		return
	}

	// TODO(cyrptix): assumes len(pathNodes) > 1 - not found is an error above?
	err = pathNodes[len(pathNodes)-1].RemoveNodeLink(components[len(components)-1])
	if err != nil {
		webError(w, "Could not delete link", err, http.StatusBadRequest)
		return
	}

	newnode := pathNodes[len(pathNodes)-1]
	for i := len(pathNodes) - 2; i >= 0; i-- {
		newnode, err = pathNodes[i].UpdateNodeLink(components[i], newnode)
		if err != nil {
			webError(w, "Could not update node links", err, http.StatusInternalServerError)
			return
		}
	}

	if err := i.node.DAG.AddRecursive(newnode); err != nil {
		webError(w, "Could not add recursively new node", err, http.StatusInternalServerError)
		return
	}

	// Redirect to new path
	key, err := newnode.Key()
	if err != nil {
		webError(w, "Could not get key of new node", err, http.StatusInternalServerError)
		return
	}

	i.addUserHeaders(w) // ok, _now_ write user's headers.
	w.Header().Set("IPFS-Hash", key.String())
	http.Redirect(w, r, gopath.Join(ipfsPathPrefix+key.String(), path.Join(components[:len(components)-1])), http.StatusCreated)
}

开发者ID:palkeo，项目名称:go-ipfs，代码行数:70，代码来源:gateway_handler.go

示例5: putHandler

func (i *gatewayHandler) putHandler(w http.ResponseWriter, r *http.Request) {
	// TODO(cryptix): either ask mildred about the flow of this or rewrite it
	webErrorWithCode(w, "Sorry, PUT is bugged right now, closing request", errors.New("handler disabled"), http.StatusInternalServerError)
	return
	urlPath := r.URL.Path
	pathext := urlPath[5:]
	var err error
	if urlPath == ipfsPathPrefix+"QmUNLLsPACCz1vLxQVkXqqLX5R1X345qqfHbsf67hvA3Nn/" {
		i.putEmptyDirHandler(w, r)
		return
	}

	var newnode *dag.Node
	if pathext[len(pathext)-1] == '/' {
		newnode = uio.NewEmptyDirectory()
	} else {
		newnode, err = i.newDagFromReader(r.Body)
		if err != nil {
			webError(w, "Could not create DAG from request", err, http.StatusInternalServerError)
			return
		}
	}

	ctx, cancel := context.WithCancel(i.node.Context())
	defer cancel()

	ipfsNode, err := core.Resolve(ctx, i.node, path.Path(urlPath))
	if err != nil {
		// FIXME HTTP error code
		webError(w, "Could not resolve name", err, http.StatusInternalServerError)
		return
	}

	k, err := ipfsNode.Key()
	if err != nil {
		webError(w, "Could not get key from resolved node", err, http.StatusInternalServerError)
		return
	}

	h, components, err := path.SplitAbsPath(path.FromKey(k))
	if err != nil {
		webError(w, "Could not split path", err, http.StatusInternalServerError)
		return
	}

	if len(components) < 1 {
		err = fmt.Errorf("Cannot override existing object")
		webError(w, "http gateway", err, http.StatusBadRequest)
		return
	}

	tctx, cancel := context.WithTimeout(ctx, time.Minute)
	defer cancel()
	// TODO(cryptix): could this be core.Resolve() too?
	rootnd, err := i.node.Resolver.DAG.Get(tctx, key.Key(h))
	if err != nil {
		webError(w, "Could not resolve root object", err, http.StatusBadRequest)
		return
	}

	// resolving path components into merkledag nodes. if a component does not
	// resolve, create empty directories (which will be linked and populated below.)
	pathNodes, err := i.node.Resolver.ResolveLinks(tctx, rootnd, components[:len(components)-1])
	if _, ok := err.(path.ErrNoLink); ok {
		// Create empty directories, links will be made further down the code
		for len(pathNodes) < len(components) {
			pathNodes = append(pathNodes, uio.NewDirectory(i.node.DAG).GetNode())
		}
	} else if err != nil {
		webError(w, "Could not resolve parent object", err, http.StatusBadRequest)
		return
	}

	for i := len(pathNodes) - 1; i >= 0; i-- {
		newnode, err = pathNodes[i].UpdateNodeLink(components[i], newnode)
		if err != nil {
			webError(w, "Could not update node links", err, http.StatusInternalServerError)
			return
		}
	}

	err = i.node.DAG.AddRecursive(newnode)
	if err != nil {
		webError(w, "Could not add recursively new node", err, http.StatusInternalServerError)
		return
	}

	// Redirect to new path
	key, err := newnode.Key()
	if err != nil {
		webError(w, "Could not get key of new node", err, http.StatusInternalServerError)
		return
	}

	i.addUserHeaders(w) // ok, _now_ write user's headers.
	w.Header().Set("IPFS-Hash", key.String())
	http.Redirect(w, r, ipfsPathPrefix+key.String()+"/"+strings.Join(components, "/"), http.StatusCreated)
}

开发者ID:hebelken，项目名称:go-ipfs，代码行数:98，代码来源:gateway_handler.go

注：本文中的github.com/ipfs/go-ipfs/blocks/key.String函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。