Golang common.AppTreeStoreIDPath函数代码示例

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本文整理汇总了Golang中github.com/coreos/rkt/common.AppTreeStoreIDPath函数的典型用法代码示例。如果您正苦于以下问题：Golang AppTreeStoreIDPath函数的具体用法？Golang AppTreeStoreIDPath怎么用？Golang AppTreeStoreIDPath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AppTreeStoreIDPath函数的11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: prepareAppImage

// prepareAppImage renders and verifies the tree cache of the app image that
// corresponds to the given app name.
// When useOverlay is false, it attempts to render and expand the app image
func prepareAppImage(cfg PrepareConfig, appName types.ACName, img types.Hash, cdir string, useOverlay bool) error {
	log.Println("Loading image", img.String())

	am, err := cfg.Store.GetImageManifest(img.String())
	if err != nil {
		return fmt.Errorf("error getting the manifest: %v", err)
	}

	if _, hasOS := am.Labels.Get("os"); !hasOS {
		return fmt.Errorf("missing os label in the image manifest")
	}
	if _, hasArch := am.Labels.Get("arch"); !hasArch {
		return fmt.Errorf("missing arch label in the image manifest")
	}

	if err := types.IsValidOSArch(am.Labels.ToMap(), ValidOSArch); err != nil {
		return err
	}

	appInfoDir := common.AppInfoPath(cdir, appName)
	if err := os.MkdirAll(appInfoDir, 0755); err != nil {
		return fmt.Errorf("error creating apps info directory: %v", err)
	}

	if useOverlay {
		if cfg.PrivateUsers.Shift > 0 {
			return fmt.Errorf("cannot use both overlay and user namespace: not implemented yet. (Try --no-overlay)")
		}
		treeStoreID, err := cfg.Store.RenderTreeStore(img.String(), false)
		if err != nil {
			return fmt.Errorf("error rendering tree image: %v", err)
		}
		if err := cfg.Store.CheckTreeStore(treeStoreID); err != nil {
			log.Printf("Warning: tree cache is in a bad state: %v. Rebuilding...", err)
			var err error
			if treeStoreID, err = cfg.Store.RenderTreeStore(img.String(), true); err != nil {
				return fmt.Errorf("error rendering tree image: %v", err)
			}
		}

		if err := ioutil.WriteFile(common.AppTreeStoreIDPath(cdir, appName), []byte(treeStoreID), 0700); err != nil {
			return fmt.Errorf("error writing app treeStoreID: %v", err)
		}
	} else {
		ad := common.AppPath(cdir, appName)
		err := os.MkdirAll(ad, 0755)
		if err != nil {
			return fmt.Errorf("error creating image directory: %v", err)
		}

		if err := aci.RenderACIWithImageID(img, ad, cfg.Store, cfg.PrivateUsers); err != nil {
			return fmt.Errorf("error rendering ACI: %v", err)
		}
	}
	if err := writeManifest(cfg.CommonConfig, img, appInfoDir); err != nil {
		return err
	}
	return nil
}

开发者ID:NeilW，项目名称:rkt，代码行数:62，代码来源:run.go

示例2: upperTreeStoreId

func (b *Builder) upperTreeStoreId() (string, error) {
	if b.upperId == "" {
		treeStoreIDFilePath := rktcommon.AppTreeStoreIDPath(b.pod.Root, manifestApp(b.pod).Name)
		treeStoreID, err := ioutil.ReadFile(treeStoreIDFilePath)
		if err != nil {
			return "", errs.WithEF(err, b.fields.WithField("path", treeStoreIDFilePath), "Failed to read treeStoreID from file")
		}
		b.upperId = string(treeStoreID)
	}
	return b.upperId, nil
}

开发者ID:blablacar，项目名称:dgr，代码行数:11，代码来源:builder.go

示例3: getAppTreeStoreID

// getAppTreeStoreID returns the treeStoreID of the provided app.
func (p *pod) getAppTreeStoreID(app types.ACName) (string, error) {
	path, err := filepath.Rel("/", common.AppTreeStoreIDPath("", app))
	if err != nil {
		return "", err
	}
	treeStoreID, err := p.readFile(path)
	if err != nil {
		// When not using overlayfs, apps don't have a treeStoreID file. In
		// other cases we've got a problem.
		if !(os.IsNotExist(err) && !p.usesOverlay()) {
			return "", errwrap.Wrap(fmt.Errorf("no treeStoreID found for app %s", app), err)
		}
	}
	return string(treeStoreID), nil
}

开发者ID:yanghongkjxy，项目名称:rkt，代码行数:16，代码来源:pods.go

示例4: setupAppImage

// setupAppImage mounts the overlay filesystem for the app image that
// corresponds to the given hash if useOverlay is true.
// It also creates an mtab file in the application's rootfs if one is not
// present.
func setupAppImage(cfg RunConfig, appName types.ACName, img types.Hash, cdir string, useOverlay bool) error {
	ad := common.AppPath(cdir, appName)
	if useOverlay {
		err := os.MkdirAll(ad, common.DefaultRegularDirPerm)
		if err != nil {
			return errwrap.Wrap(errors.New("error creating image directory"), err)
		}
		treeStoreID, err := ioutil.ReadFile(common.AppTreeStoreIDPath(cdir, appName))
		if err != nil {
			return err
		}
		if err := copyAppManifest(cdir, appName, ad); err != nil {
			return err
		}
		if err := overlayRender(cfg, string(treeStoreID), cdir, ad, appName.String()); err != nil {
			return errwrap.Wrap(errors.New("error rendering overlay filesystem"), err)
		}
	}
	return ensureMtabExists(filepath.Join(ad, "rootfs"))
}

开发者ID:intelsdi-x，项目名称:rkt，代码行数:24，代码来源:run.go

示例5: setupAppImage

// setupAppImage mounts the overlay filesystem for the app image that
// corresponds to the given hash. Then, it creates the tmp directory.
// When useOverlay is false it just creates the tmp directory for this app.
func setupAppImage(cfg RunConfig, appName types.ACName, img types.Hash, cdir string, useOverlay bool) error {
	ad := common.AppPath(cdir, appName)
	if useOverlay {
		err := os.MkdirAll(ad, defaultRegularDirPerm)
		if err != nil {
			return fmt.Errorf("error creating image directory: %v", err)
		}
		treeStoreID, err := ioutil.ReadFile(common.AppTreeStoreIDPath(cdir, appName))
		if err != nil {
			return err
		}
		if err := copyAppManifest(cdir, appName, ad); err != nil {
			return err
		}
		if err := overlayRender(cfg, string(treeStoreID), cdir, ad, appName.String()); err != nil {
			return fmt.Errorf("error rendering overlay filesystem: %v", err)
		}
	}

	return nil
}

开发者ID:matomesc，项目名称:rkt，代码行数:24，代码来源:run.go

示例6: getAppsTreeStoreIDs

// getAppTreeStoreIDs returns the treeStoreIDs of the apps images used in
// this pod
func (p *pod) getAppsTreeStoreIDs() ([]string, error) {
	var treeStoreIDs []string
	apps, err := p.getApps()
	if err != nil {
		return nil, err
	}
	for _, a := range apps {
		path, err := filepath.Rel("/", common.AppTreeStoreIDPath("", a.Name))
		if err != nil {
			return nil, err
		}
		treeStoreID, err := p.readFile(path)
		if err != nil {
			// When not using overlayfs, apps don't have a treeStoreID file
			if os.IsNotExist(err) {
				continue
			}
			return nil, err
		}
		treeStoreIDs = append(treeStoreIDs, string(treeStoreID))
	}
	return treeStoreIDs, nil
}

开发者ID:sinfomicien，项目名称:rkt，代码行数:25，代码来源:pods.go

示例7: prepareAppImage

// prepareAppImage renders and verifies the tree cache of the app image that
// corresponds to the given app name.
// When useOverlay is false, it attempts to render and expand the app image
func prepareAppImage(cfg PrepareConfig, appName types.ACName, img types.Hash, cdir string, useOverlay bool) error {
	debug("Loading image %s", img.String())

	am, err := cfg.Store.GetImageManifest(img.String())
	if err != nil {
		return fmt.Errorf("error getting the manifest: %v", err)
	}

	if _, hasOS := am.Labels.Get("os"); !hasOS {
		return fmt.Errorf("missing os label in the image manifest")
	}
	if _, hasArch := am.Labels.Get("arch"); !hasArch {
		return fmt.Errorf("missing arch label in the image manifest")
	}

	if err := types.IsValidOSArch(am.Labels.ToMap(), ValidOSArch); err != nil {
		return err
	}

	appInfoDir := common.AppInfoPath(cdir, appName)
	if err := os.MkdirAll(appInfoDir, defaultRegularDirPerm); err != nil {
		return fmt.Errorf("error creating apps info directory: %v", err)
	}

	if useOverlay {
		if cfg.PrivateUsers.Shift > 0 {
			return fmt.Errorf("cannot use both overlay and user namespace: not implemented yet. (Try --no-overlay)")
		}
		treeStoreID, _, err := cfg.Store.RenderTreeStore(img.String(), false)
		if err != nil {
			return fmt.Errorf("error rendering tree image: %v", err)
		}

		if !cfg.SkipTreeStoreCheck {
			hash, err := cfg.Store.CheckTreeStore(treeStoreID)
			if err != nil {
				log.Printf("Warning: tree cache is in a bad state: %v. Rebuilding...", err)
				var err error
				treeStoreID, hash, err = cfg.Store.RenderTreeStore(img.String(), true)
				if err != nil {
					return fmt.Errorf("error rendering tree image: %v", err)
				}
			}
			cfg.CommonConfig.RootHash = hash
		}

		if err := ioutil.WriteFile(common.AppTreeStoreIDPath(cdir, appName), []byte(treeStoreID), defaultRegularFilePerm); err != nil {
			return fmt.Errorf("error writing app treeStoreID: %v", err)
		}
	} else {
		ad := common.AppPath(cdir, appName)
		err := os.MkdirAll(ad, defaultRegularDirPerm)
		if err != nil {
			return fmt.Errorf("error creating image directory: %v", err)
		}

		shiftedUid, shiftedGid, err := cfg.PrivateUsers.ShiftRange(uint32(os.Getuid()), uint32(os.Getgid()))
		if err != nil {
			return fmt.Errorf("error getting uid, gid: %v", err)
		}

		if err := os.Chown(ad, int(shiftedUid), int(shiftedGid)); err != nil {
			return fmt.Errorf("error shifting app %q's stage2 dir: %v", appName, err)
		}

		if err := aci.RenderACIWithImageID(img, ad, cfg.Store, cfg.PrivateUsers); err != nil {
			return fmt.Errorf("error rendering ACI: %v", err)
		}
	}
	if err := writeManifest(*cfg.CommonConfig, img, appInfoDir); err != nil {
		return err
	}
	return nil
}

开发者ID:matomesc，项目名称:rkt，代码行数:77，代码来源:run.go

示例8: AddApp

// TODO(iaguis): add override options for Exec, Environment (à la patch-manifest)
func AddApp(cfg RunConfig, dir string, img *types.Hash) error {
	im, err := cfg.Store.GetImageManifest(img.String())
	if err != nil {
		return err
	}
	appName, err := imageNameToAppName(im.Name)
	if err != nil {
		return err
	}

	p, err := stage1types.LoadPod(dir, cfg.UUID)
	if err != nil {
		return errwrap.Wrap(errors.New("error loading pod manifest"), err)
	}

	pm := p.Manifest

	var mutable bool
	ms, ok := pm.Annotations.Get("coreos.com/rkt/stage1/mutable")
	if ok {
		mutable, err = strconv.ParseBool(ms)
		if err != nil {
			return errwrap.Wrap(errors.New("error parsing mutable annotation"), err)
		}
	}

	if !mutable {
		return errors.New("immutable pod: cannot add application")
	}

	if pm.Apps.Get(*appName) != nil {
		return fmt.Errorf("error: multiple apps with name %s", *appName)
	}
	if im.App == nil {
		return fmt.Errorf("error: image %s has no app section)", img)
	}

	appInfoDir := common.AppInfoPath(dir, *appName)
	if err := os.MkdirAll(appInfoDir, common.DefaultRegularDirPerm); err != nil {
		return errwrap.Wrap(errors.New("error creating apps info directory"), err)
	}

	uidRange := user.NewBlankUidRange()
	// TODO(iaguis): DRY: refactor this
	var treeStoreID string
	if cfg.UseOverlay {
		treeStoreID, _, err := cfg.TreeStore.Render(img.String(), false)
		if err != nil {
			return errwrap.Wrap(errors.New("error rendering tree image"), err)
		}

		hash, err := cfg.TreeStore.Check(treeStoreID)
		if err != nil {
			log.PrintE("warning: tree cache is in a bad state.  Rebuilding...", err)
			var err error
			treeStoreID, hash, err = cfg.TreeStore.Render(img.String(), true)
			if err != nil {
				return errwrap.Wrap(errors.New("error rendering tree image"), err)
			}
		}
		cfg.RootHash = hash

		if err := ioutil.WriteFile(common.AppTreeStoreIDPath(dir, *appName), []byte(treeStoreID), common.DefaultRegularFilePerm); err != nil {
			return errwrap.Wrap(errors.New("error writing app treeStoreID"), err)
		}
	} else {
		ad := common.AppPath(dir, *appName)

		err := os.MkdirAll(ad, common.DefaultRegularDirPerm)
		if err != nil {
			return errwrap.Wrap(errors.New("error creating image directory"), err)
		}

		privateUsers, err := preparedWithPrivateUsers(dir)
		if err != nil {
			log.FatalE("error reading user namespace information", err)
		}

		if err := uidRange.Deserialize([]byte(privateUsers)); err != nil {
			return err
		}

		shiftedUid, shiftedGid, err := uidRange.ShiftRange(uint32(os.Getuid()), uint32(os.Getgid()))
		if err != nil {
			return errwrap.Wrap(errors.New("error getting uid, gid"), err)
		}

		if err := os.Chown(ad, int(shiftedUid), int(shiftedGid)); err != nil {
			return errwrap.Wrap(fmt.Errorf("error shifting app %q's stage2 dir", *appName), err)
		}

		if err := aci.RenderACIWithImageID(*img, ad, cfg.Store, uidRange); err != nil {
			return errwrap.Wrap(errors.New("error rendering ACI"), err)
		}
	}

	if err := writeManifest(*cfg.CommonConfig, *img, appInfoDir); err != nil {
		return errwrap.Wrap(errors.New("error writing manifest"), err)
	}
//.........这里部分代码省略.........

开发者ID:nhlfr，项目名称:rkt，代码行数:101，代码来源:app.go

示例9: RmApp

// TODO(iaguis): RmConfig?
func RmApp(dir string, uuid *types.UUID, usesOverlay bool, appName *types.ACName, podPID int) error {
	p, err := stage1types.LoadPod(dir, uuid)
	if err != nil {
		return errwrap.Wrap(errors.New("error loading pod manifest"), err)
	}

	pm := p.Manifest

	var mutable bool
	ms, ok := pm.Annotations.Get("coreos.com/rkt/stage1/mutable")
	if ok {
		mutable, err = strconv.ParseBool(ms)
		if err != nil {
			return errwrap.Wrap(errors.New("error parsing mutable annotation"), err)
		}
	}

	if !mutable {
		return errors.New("immutable pod: cannot remove application")
	}

	app := pm.Apps.Get(*appName)
	if app == nil {
		return fmt.Errorf("error: nonexistent app %q", *appName)
	}

	treeStoreID, err := ioutil.ReadFile(common.AppTreeStoreIDPath(dir, *appName))
	if err != nil {
		return err
	}

	eep, err := getStage1Entrypoint(dir, enterEntrypoint)
	if err != nil {
		return errwrap.Wrap(errors.New("error determining 'enter' entrypoint"), err)
	}

	args := []string{
		uuid.String(),
		appName.String(),
		filepath.Join(common.Stage1RootfsPath(dir), eep),
		strconv.Itoa(podPID),
	}

	if err := callEntrypoint(dir, appStopEntrypoint, args); err != nil {
		return err
	}

	if err := callEntrypoint(dir, appRmEntrypoint, args); err != nil {
		return err
	}

	appInfoDir := common.AppInfoPath(dir, *appName)
	if err := os.RemoveAll(appInfoDir); err != nil {
		return errwrap.Wrap(errors.New("error removing app info directory"), err)
	}

	if usesOverlay {
		appRootfs := common.AppRootfsPath(dir, *appName)
		if err := syscall.Unmount(appRootfs, 0); err != nil {
			return err
		}

		ts := filepath.Join(dir, "overlay", string(treeStoreID))
		if err := os.RemoveAll(ts); err != nil {
			return errwrap.Wrap(errors.New("error removing app info directory"), err)
		}
	}

	if err := os.RemoveAll(common.AppPath(dir, *appName)); err != nil {
		return err
	}

	appStatusPath := filepath.Join(common.Stage1RootfsPath(dir), "rkt", "status", appName.String())
	if err := os.Remove(appStatusPath); err != nil && !os.IsNotExist(err) {
		return err
	}

	envPath := filepath.Join(common.Stage1RootfsPath(dir), "rkt", "env", appName.String())
	if err := os.Remove(envPath); err != nil && !os.IsNotExist(err) {
		return err
	}

	removeAppFromPodManifest(pm, appName)

	if err := updatePodManifest(dir, pm); err != nil {
		return err
	}

	return nil
}

开发者ID:nhlfr，项目名称:rkt，代码行数:91，代码来源:app.go

示例10: RmApp

func RmApp(cfg RmConfig) error {
	pod, err := pkgPod.PodFromUUIDString(cfg.DataDir, cfg.UUID.String())
	if err != nil {
		return errwrap.Wrap(errors.New("error loading pod"), err)
	}
	defer pod.Close()

	debug("locking sandbox manifest")
	if err := pod.ExclusiveLockManifest(); err != nil {
		return errwrap.Wrap(errors.New("failed to lock sandbox manifest"), err)
	}
	defer pod.UnlockManifest()

	pm, err := pod.SandboxManifest()
	if err != nil {
		return errwrap.Wrap(errors.New("cannot remove application, sandbox validation failed"), err)
	}

	app := pm.Apps.Get(*cfg.AppName)
	if app == nil {
		return fmt.Errorf("error: nonexistent app %q", *cfg.AppName)
	}

	if cfg.PodPID > 0 {
		// Call app-stop and app-rm entrypoint only if the pod is still running.
		// Otherwise, there's not much we can do about it except unmounting/removing
		// the file system.
		args := []string{
			fmt.Sprintf("--debug=%t", cfg.Debug),
			fmt.Sprintf("--app=%s", cfg.AppName),
		}

		ce := CrossingEntrypoint{
			PodPath:        cfg.PodPath,
			PodPID:         cfg.PodPID,
			AppName:        cfg.AppName.String(),
			EntrypointName: appStopEntrypoint,
			EntrypointArgs: args,
			Interactive:    false,
		}
		if err := ce.Run(); err != nil {
			status, err := common.GetExitStatus(err)
			// ignore nonexistent units failing to stop. Exit status 5
			// comes from systemctl and means the unit doesn't exist
			if err != nil {
				return err
			} else if status != 5 {
				return fmt.Errorf("exit status %d", status)
			}
		}

		ce.EntrypointName = appRmEntrypoint
		if err := ce.Run(); err != nil {
			return err
		}
	}

	if cfg.UsesOverlay {
		treeStoreID, err := ioutil.ReadFile(common.AppTreeStoreIDPath(cfg.PodPath, *cfg.AppName))
		if err != nil {
			return err
		}

		appRootfs := common.AppRootfsPath(cfg.PodPath, *cfg.AppName)
		if err := syscall.Unmount(appRootfs, 0); err != nil {
			return err
		}

		ts := filepath.Join(cfg.PodPath, "overlay", string(treeStoreID))
		if err := os.RemoveAll(ts); err != nil {
			return errwrap.Wrap(errors.New("error removing app info directory"), err)
		}
	}

	appInfoDir := common.AppInfoPath(cfg.PodPath, *cfg.AppName)
	if err := os.RemoveAll(appInfoDir); err != nil {
		return errwrap.Wrap(errors.New("error removing app info directory"), err)
	}

	if err := os.RemoveAll(common.AppPath(cfg.PodPath, *cfg.AppName)); err != nil {
		return err
	}

	appStatusPath := filepath.Join(common.Stage1RootfsPath(cfg.PodPath), "rkt", "status", cfg.AppName.String())
	if err := os.Remove(appStatusPath); err != nil && !os.IsNotExist(err) {
		return err
	}

	envPath := filepath.Join(common.Stage1RootfsPath(cfg.PodPath), "rkt", "env", cfg.AppName.String())
	if err := os.Remove(envPath); err != nil && !os.IsNotExist(err) {
		return err
	}

	for i, app := range pm.Apps {
		if app.Name == *cfg.AppName {
			pm.Apps = append(pm.Apps[:i], pm.Apps[i+1:]...)
			break
		}
	}

//.........这里部分代码省略.........

开发者ID:kinvolk，项目名称:rkt，代码行数:101，代码来源:app.go

示例11: RmApp

func RmApp(cfg RmConfig) error {
	pod, err := pkgPod.PodFromUUIDString(cfg.DataDir, cfg.UUID.String())
	if err != nil {
		return errwrap.Wrap(errors.New("error loading pod"), err)
	}
	defer pod.Close()

	debug("locking pod manifest")
	if err := pod.ExclusiveManifestLock(); err != nil {
		return errwrap.Wrap(errors.New("failed to lock pod manifest"), err)
	}
	defer pod.ManifestUnlock()

	_, pm, err := pod.PodManifest()
	if err != nil {
		return errwrap.Wrap(errors.New("error loading pod manifest"), err)
	}

	var mutable bool
	ms, ok := pm.Annotations.Get("coreos.com/rkt/stage1/mutable")
	if ok {
		mutable, err = strconv.ParseBool(ms)
		if err != nil {
			return errwrap.Wrap(errors.New("error parsing mutable annotation"), err)
		}
	}

	if !mutable {
		return errors.New("immutable pod: cannot remove application")
	}

	app := pm.Apps.Get(*cfg.AppName)
	if app == nil {
		return fmt.Errorf("error: nonexistent app %q", *cfg.AppName)
	}

	if cfg.PodPID > 0 {
		// Call app-stop and app-rm entrypoint only if the pod is still running.
		// Otherwise, there's not much we can do about it except unmounting/removing
		// the file system.
		args := []string{
			fmt.Sprintf("--app=%s", cfg.AppName),
		}

		ce := CrossingEntrypoint{
			PodPath:        cfg.PodPath,
			PodPID:         cfg.PodPID,
			AppName:        cfg.AppName.String(),
			EntrypointName: appStopEntrypoint,
			EntrypointArgs: args,
			Interactive:    false,
		}
		if err := ce.Run(); err != nil {
			status, err := common.GetExitStatus(err)
			// ignore nonexistent units failing to stop. Exit status 5
			// comes from systemctl and means the unit doesn't exist
			if err != nil {
				return err
			} else if status != 5 {
				return fmt.Errorf("exit status %d", status)
			}
		}

		ce.EntrypointName = appRmEntrypoint
		if err := ce.Run(); err != nil {
			return err
		}
	}

	if cfg.UsesOverlay {
		treeStoreID, err := ioutil.ReadFile(common.AppTreeStoreIDPath(cfg.PodPath, *cfg.AppName))
		if err != nil {
			return err
		}

		appRootfs := common.AppRootfsPath(cfg.PodPath, *cfg.AppName)
		if err := syscall.Unmount(appRootfs, 0); err != nil {
			return err
		}

		ts := filepath.Join(cfg.PodPath, "overlay", string(treeStoreID))
		if err := os.RemoveAll(ts); err != nil {
			return errwrap.Wrap(errors.New("error removing app info directory"), err)
		}
	}

	appInfoDir := common.AppInfoPath(cfg.PodPath, *cfg.AppName)
	if err := os.RemoveAll(appInfoDir); err != nil {
		return errwrap.Wrap(errors.New("error removing app info directory"), err)
	}

	if err := os.RemoveAll(common.AppPath(cfg.PodPath, *cfg.AppName)); err != nil {
		return err
	}

	appStatusPath := filepath.Join(common.Stage1RootfsPath(cfg.PodPath), "rkt", "status", cfg.AppName.String())
	if err := os.Remove(appStatusPath); err != nil && !os.IsNotExist(err) {
		return err
	}

//.........这里部分代码省略.........

开发者ID:joshix，项目名称:rkt，代码行数:101，代码来源:app.go

注：本文中的github.com/coreos/rkt/common.AppTreeStoreIDPath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。