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Golang nodefs.MountFileSystem函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Golang中github.com/hanwen/go-fuse/fuse/nodefs.MountFileSystem函数的典型用法代码示例。如果您正苦于以下问题：Golang MountFileSystem函数的具体用法？Golang MountFileSystem怎么用？Golang MountFileSystem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MountFileSystem函数的19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: setupCacheTest

func setupCacheTest(t *testing.T) (string, *pathfs.PathNodeFs, func()) {
	dir, err := ioutil.TempDir("", "go-fuse-cachetest")
	if err != nil {
		t.Fatalf("TempDir failed: %v", err)
	}
	os.Mkdir(dir+"/mnt", 0755)
	os.Mkdir(dir+"/orig", 0755)

	fs := &cacheFs{
		pathfs.NewLoopbackFileSystem(dir + "/orig"),
	}
	pfs := pathfs.NewPathNodeFs(fs, nil)
	state, conn, err := nodefs.MountFileSystem(dir+"/mnt", pfs, nil)
	if err != nil {
		t.Fatalf("MountNodeFileSystem failed: %v", err)
	}
	state.SetDebug(VerboseTest())
	conn.SetDebug(VerboseTest())
	pfs.SetDebug(VerboseTest())
	go state.Serve()

	return dir, pfs, func() {
		err := state.Unmount()
		if err == nil {
			os.RemoveAll(dir)
		}
	}
}
开发者ID:newblue，项目名称:go-fuse，代码行数:28，代码来源:cache_test.go


示例2: setupFAttrTest

func setupFAttrTest(t *testing.T, fs pathfs.FileSystem) (dir string, clean func()) {
	dir, err := ioutil.TempDir("", "go-fuse-fsetattr_test")
	if err != nil {
		t.Fatalf("TempDir failed: %v", err)
	}
	nfs := pathfs.NewPathNodeFs(fs, nil)
	state, _, err := nodefs.MountFileSystem(dir, nfs, nil)
	if err != nil {
		t.Fatalf("MountNodeFileSystem failed: %v", err)
	}
	state.SetDebug(VerboseTest())

	go state.Serve()

	// Trigger INIT.
	os.Lstat(dir)
	if state.KernelSettings().Flags&fuse.CAP_FILE_OPS == 0 {
		t.Log("Mount does not support file operations")
	}

	return dir, func() {
		if state.Unmount() == nil {
			os.RemoveAll(dir)
		}
	}
}
开发者ID:newblue，项目名称:go-fuse，代码行数:26，代码来源:fsetattr_test.go


示例3: setup

func setup(t *testing.T) (workdir string, cleanup func()) {
	wd, _ := ioutil.TempDir("", "")
	err := os.Mkdir(wd+"/mnt", 0700)
	if err != nil {
		t.Fatalf("Mkdir failed: %v", err)
	}

	err = os.Mkdir(wd+"/store", 0700)
	if err != nil {
		t.Fatalf("Mkdir failed: %v", err)
	}

	os.Mkdir(wd+"/ro", 0700)
	if err != nil {
		t.Fatalf("Mkdir failed: %v", err)
	}
	WriteFile(t, wd+"/ro/file1", "file1")
	WriteFile(t, wd+"/ro/file2", "file2")

	fs := NewAutoUnionFs(wd+"/store", testAOpts)

	nfs := pathfs.NewPathNodeFs(fs, nil)
	state, _, err := nodefs.MountFileSystem(wd+"/mnt", nfs, &testAOpts.Options)
	if err != nil {
		t.Fatalf("MountNodeFileSystem failed: %v", err)
	}
	fs.SetDebug(VerboseTest())
	go state.Serve()

	return wd, func() {
		state.Unmount()
		os.RemoveAll(wd)
	}
}
开发者ID:newblue，项目名称:go-fuse，代码行数:34，代码来源:autounion_test.go


示例4: setupFs

func setupFs(fs pathfs.FileSystem) (string, func()) {
	opts := &nodefs.Options{
		EntryTimeout:    0.0,
		AttrTimeout:     0.0,
		NegativeTimeout: 0.0,
	}
	mountPoint, _ := ioutil.TempDir("", "stat_test")
	nfs := pathfs.NewPathNodeFs(fs, nil)
	state, _, err := nodefs.MountFileSystem(mountPoint, nfs, opts)
	if err != nil {
		panic(fmt.Sprintf("cannot mount %v", err)) // ugh - benchmark has no error methods.
	}
	lmap := NewLatencyMap()

	state.RecordLatencies(lmap)
	// state.SetDebug(true)
	go state.Serve()

	return mountPoint, func() {
		lc, lns := lmap.Get("LOOKUP")
		gc, gns := lmap.Get("GETATTR")
		fmt.Printf("GETATTR %v/call n=%d, LOOKUP %v/call n=%d\n",
			gns/time.Duration(gc), gc,
			lns/time.Duration(lc), lc)

		err := state.Unmount()
		if err != nil {
			log.Println("error during unmount", err)
		} else {
			os.RemoveAll(mountPoint)
		}
	}
}
开发者ID:newblue，项目名称:go-fuse，代码行数:33，代码来源:stat_test.go


示例5: NewNotifyTest

func NewNotifyTest(t *testing.T) *NotifyTest {
	me := &NotifyTest{}
	me.fs = newNotifyFs()
	var err error
	me.dir, err = ioutil.TempDir("", "go-fuse-notify_test")
	if err != nil {
		t.Fatalf("TempDir failed: %v", err)
	}
	entryTtl := 100 * time.Millisecond
	opts := &nodefs.Options{
		EntryTimeout:    entryTtl,
		AttrTimeout:     entryTtl,
		NegativeTimeout: entryTtl,
	}

	me.pathfs = pathfs.NewPathNodeFs(me.fs, nil)
	me.state, me.connector, err = nodefs.MountFileSystem(me.dir, me.pathfs, opts)
	if err != nil {
		t.Fatalf("MountNodeFileSystem failed: %v", err)
	}
	me.state.SetDebug(VerboseTest())
	go me.state.Serve()

	return me
}
开发者ID:newblue，项目名称:go-fuse，代码行数:25，代码来源:notify_test.go


示例6: TestNonseekable

func TestNonseekable(t *testing.T) {
	fs := &nonseekFs{FileSystem: pathfs.NewDefaultFileSystem()}
	fs.Length = 200 * 1024

	dir, err := ioutil.TempDir("", "go-fuse-cache_test")
	if err != nil {
		t.Fatalf("failed: %v", err)
	}
	defer os.RemoveAll(dir)
	nfs := pathfs.NewPathNodeFs(fs, nil)
	state, _, err := nodefs.MountFileSystem(dir, nfs, nil)
	if err != nil {
		t.Fatalf("failed: %v", err)
	}
	state.SetDebug(VerboseTest())
	defer state.Unmount()

	go state.Serve()

	f, err := os.Open(dir + "/file")
	if err != nil {
		t.Fatalf("failed: %v", err)
	}
	defer f.Close()

	b := make([]byte, 200)
	n, err := f.ReadAt(b, 20)
	if err == nil || n > 0 {
		t.Errorf("file was opened nonseekable, but seek successful")
	}
}
开发者ID:newblue，项目名称:go-fuse，代码行数:31，代码来源:cache_test.go


示例7: setupUfs

// Creates 3 directories on a temporary dir: /mnt with the overlayed
// (unionfs) mount, rw with modifiable data, and ro on the bottom.
func setupUfs(t *testing.T) (workdir string, cleanup func()) {
	// Make sure system setting does not affect test.
	syscall.Umask(0)

	wd, _ := ioutil.TempDir("", "unionfs")
	err := os.Mkdir(wd+"/mnt", 0700)
	if err != nil {
		t.Fatalf("Mkdir failed: %v", err)
	}

	err = os.Mkdir(wd+"/rw", 0700)
	if err != nil {
		t.Fatalf("Mkdir failed: %v", err)
	}

	os.Mkdir(wd+"/ro", 0700)
	if err != nil {
		t.Fatalf("Mkdir failed: %v", err)
	}

	var fses []pathfs.FileSystem
	fses = append(fses, pathfs.NewLoopbackFileSystem(wd+"/rw"))
	fses = append(fses,
		NewCachingFileSystem(pathfs.NewLoopbackFileSystem(wd+"/ro"), 0))
	ufs, err := NewUnionFs(fses, testOpts)
	if err != nil {
		t.Fatalf("NewUnionFs: %v", err)
	}
	// We configure timeouts are smaller, so we can check for
	// UnionFs's cache consistency.
	opts := &nodefs.Options{
		EntryTimeout:    entryTtl / 2,
		AttrTimeout:     entryTtl / 2,
		NegativeTimeout: entryTtl / 2,
		PortableInodes:  true,
	}

	pathfs := pathfs.NewPathNodeFs(ufs,
		&pathfs.PathNodeFsOptions{ClientInodes: true})
	state, conn, err := nodefs.MountFileSystem(wd+"/mnt", pathfs, opts)
	if err != nil {
		t.Fatalf("MountNodeFileSystem failed: %v", err)
	}
	conn.SetDebug(VerboseTest())
	state.SetDebug(VerboseTest())
	pathfs.SetDebug(VerboseTest())
	go state.Serve()

	return wd, func() {
		err := state.Unmount()
		if err != nil {
			return
		}
		setRecursiveWritable(t, wd, true)
		os.RemoveAll(wd)
	}
}
开发者ID:newblue，项目名称:go-fuse，代码行数:59，代码来源:unionfs_test.go


示例8: main

func main() {
	debug := flag.Bool("debug", false, "debug on")
	hardlinks := flag.Bool("hardlinks", false, "support hardlinks")
	delcache_ttl := flag.Float64("deletion_cache_ttl", 5.0, "Deletion cache TTL in seconds.")
	branchcache_ttl := flag.Float64("branchcache_ttl", 5.0, "Branch cache TTL in seconds.")
	deldirname := flag.String(
		"deletion_dirname", "GOUNIONFS_DELETIONS", "Directory name to use for deletions.")
	hide_readonly_link := flag.Bool("hide_readonly_link", true,
		"Hides READONLY link from the top mountpoints. "+
			"Enabled by default.")
	portableInodes := flag.Bool("portable-inodes", false,
		"Use sequential 32-bit inode numbers.")

	flag.Parse()

	if len(flag.Args()) < 2 {
		fmt.Println("Usage:\n  main MOUNTPOINT BASEDIR")
		os.Exit(2)
	}
	ufsOptions := unionfs.UnionFsOptions{
		DeletionCacheTTL: time.Duration(*delcache_ttl * float64(time.Second)),
		BranchCacheTTL:   time.Duration(*branchcache_ttl * float64(time.Second)),
		DeletionDirName:  *deldirname,
	}
	options := unionfs.AutoUnionFsOptions{
		UnionFsOptions: ufsOptions,
		Options: nodefs.Options{
			EntryTimeout:    time.Second,
			AttrTimeout:     time.Second,
			NegativeTimeout: time.Second,
			Owner:           fuse.CurrentOwner(),
		},
		UpdateOnMount: true,
		PathNodeFsOptions: pathfs.PathNodeFsOptions{
			ClientInodes: *hardlinks,
		},
		HideReadonly: *hide_readonly_link,
	}
	fsOpts := nodefs.Options{
		PortableInodes: *portableInodes,
	}
	gofs := unionfs.NewAutoUnionFs(flag.Arg(1), options)
	pathfs := pathfs.NewPathNodeFs(gofs, nil)
	state, conn, err := nodefs.MountFileSystem(flag.Arg(0), pathfs, &fsOpts)
	if err != nil {
		fmt.Printf("Mount fail: %v\n", err)
		os.Exit(1)
	}

	pathfs.SetDebug(*debug)
	conn.SetDebug(*debug)
	state.SetDebug(*debug)

	state.Serve()
	time.Sleep(1 * time.Second)
}
开发者ID:newblue，项目名称:go-fuse，代码行数:56，代码来源:main.go


示例9: main

func main() {
	flag.Parse()

	fs, err := cloudfs.New(*data, *raddr)
	if err != nil {
		log.Fatal("Cloudfs initialization error: ", err)
	}

	nfs := pathfs.NewPathNodeFs(fs, nil)
	server, _, err := nodefs.MountFileSystem(*mnt, nfs, nil)
	if err != nil {
		log.Fatal("Mount fail: ", err)
	}
	server.Serve()
}
开发者ID:shaladdle，项目名称:goaaw，代码行数:15，代码来源:cloudfs.go


示例10: setupOwnerTest

func setupOwnerTest(t *testing.T, opts *nodefs.Options) (workdir string, cleanup func()) {
	wd, err := ioutil.TempDir("", "go-fuse-owner_test")

	fs := &ownerFs{NewDefaultFileSystem()}
	nfs := NewPathNodeFs(fs, nil)
	state, _, err := nodefs.MountFileSystem(wd, nfs, opts)
	if err != nil {
		t.Fatalf("MountNodeFileSystem failed: %v", err)
	}
	go state.Serve()
	return wd, func() {
		state.Unmount()
		os.RemoveAll(wd)
	}
}
开发者ID:newblue，项目名称:go-fuse，代码行数:15，代码来源:owner_test.go


示例11: TestGetAttrRace

func TestGetAttrRace(t *testing.T) {
	dir, err := ioutil.TempDir("", "go-fuse-cache_test")
	if err != nil {
		t.Fatalf("failed: %v", err)
	}
	defer os.RemoveAll(dir)
	os.Mkdir(dir+"/mnt", 0755)
	os.Mkdir(dir+"/orig", 0755)

	fs := pathfs.NewLoopbackFileSystem(dir + "/orig")
	pfs := pathfs.NewPathNodeFs(fs, nil)
	state, conn, err := nodefs.MountFileSystem(dir+"/mnt", pfs,
		&nodefs.Options{})
	if err != nil {
		t.Fatalf("MountNodeFileSystem failed: %v", err)
	}
	state.SetDebug(VerboseTest())
	conn.SetDebug(VerboseTest())
	pfs.SetDebug(VerboseTest())
	go state.Serve()

	defer state.Unmount()

	var wg sync.WaitGroup

	n := 100
	wg.Add(n)
	var statErr error
	for i := 0; i < n; i++ {
		go func() {
			defer wg.Done()
			fn := dir + "/mnt/file"
			err := ioutil.WriteFile(fn, []byte{42}, 0644)
			if err != nil {
				statErr = err
				return
			}
			_, err = os.Lstat(fn)
			if err != nil {
				statErr = err
			}
		}()
	}
	wg.Wait()
	if statErr != nil {
		t.Error(statErr)
	}
}
开发者ID:newblue，项目名称:go-fuse，代码行数:48，代码来源:cache_test.go


示例12: setupZipfs

func setupZipfs(t *testing.T) (mountPoint string, cleanup func()) {
	zfs, err := NewArchiveFileSystem(testZipFile())
	if err != nil {
		t.Fatalf("NewArchiveFileSystem failed: %v", err)
	}

	mountPoint, _ = ioutil.TempDir("", "")
	state, _, err := nodefs.MountFileSystem(mountPoint, zfs, nil)

	state.SetDebug(VerboseTest())
	go state.Serve()

	return mountPoint, func() {
		state.Unmount()
		os.RemoveAll(mountPoint)
	}
}
开发者ID:newblue，项目名称:go-fuse，代码行数:17，代码来源:zipfs_test.go


示例13: main

func main() {

	var commandLine = flag.NewFlagSet(os.Args[0], flag.ExitOnError)
	var kafkaAddrs = commandLine.String("kafkaAddrs", "localhost:9092",
		"Kafka server addresses host1:port1[;host2:port2...]")
	var metadataRetries = commandLine.Int("metadataRetries", 10,
		"Max times to attempt metadata refresh from Kafka before failing")
	var waitForElectionMs = commandLine.Int("waitForElectionMs", 250,
		"Max milliseconds to wait for Kafka leader election before failing")
	var maxMsgBytes = commandLine.Int("maxMsgBytes", 1024*1024*10,
		"Max bytes to pull for a single message")

	commandLine.Parse(os.Args[1:])

	commandLine.Usage = func() {
		fmt.Fprintf(os.Stderr, "usage: kafkafs [options] mountpoint\n")
		commandLine.PrintDefaults()
		os.Exit(2)
	}

	if commandLine.NArg() != 1 {
		commandLine.Usage()
	}

	mountpoint := commandLine.Arg(0)

	addrs := strings.Split(*kafkaAddrs, ";")
	client, err := sarama.NewClient("kafkafs", addrs,
		&sarama.ClientConfig{MetadataRetries: *metadataRetries,
			WaitForElection: time.Duration(*waitForElectionMs) * time.Millisecond})
	if err != nil {
		log.Fatalf("Error from client %s", err)
	}

	kClient := kafkafs.NewKafkaClient(client, int32(*maxMsgBytes))

	nfs := pathfs.NewPathNodeFs(kafkafs.NewKafkaRoFs(kClient), nil)

	server, _, err := nodefs.MountFileSystem(mountpoint, nfs, nil)

	c := make(chan os.Signal, 1)
	signal.Notify(c, os.Interrupt)

	go unmountOnInt(c, server, client)
	server.Serve()
}
开发者ID:carriercomm，项目名称:kafkafs，代码行数:46，代码来源:kafkafsmount.go


示例14: setupMzfs

func setupMzfs(t *testing.T) (mountPoint string, cleanup func()) {
	fs := NewMultiZipFs()
	mountPoint, _ = ioutil.TempDir("", "")
	nfs := pathfs.NewPathNodeFs(fs, nil)
	state, _, err := nodefs.MountFileSystem(mountPoint, nfs, &nodefs.Options{
		EntryTimeout:    testTtl,
		AttrTimeout:     testTtl,
		NegativeTimeout: 0.0,
	})
	if err != nil {
		t.Fatalf("MountNodeFileSystem failed: %v", err)
	}
	state.SetDebug(VerboseTest())
	go state.Serve()

	return mountPoint, func() {
		state.Unmount()
		os.RemoveAll(mountPoint)
	}
}
开发者ID:newblue，项目名称:go-fuse，代码行数:20，代码来源:multizip_test.go


示例15: xattrTestCase

func xattrTestCase(t *testing.T, nm string) (mountPoint string, cleanup func()) {
	xfs := NewXAttrFs(nm, xattrGolden)
	xfs.tester = t
	mountPoint, err := ioutil.TempDir("", "go-fuse-xattr_test")
	if err != nil {
		t.Fatalf("TempDir failed: %v", err)
	}

	nfs := NewPathNodeFs(xfs, nil)
	state, _, err := nodefs.MountFileSystem(mountPoint, nfs, nil)
	if err != nil {
		t.Fatalf("TempDir failed: %v", err)
	}
	state.SetDebug(VerboseTest())

	go state.Serve()
	return mountPoint, func() {
		state.Unmount()
		os.RemoveAll(mountPoint)
	}
}
开发者ID:newblue，项目名称:go-fuse，代码行数:21，代码来源:xattr_test.go


示例16: defaultReadTest

func defaultReadTest(t *testing.T) (root string, cleanup func()) {
	fs := &DefaultReadFS{
		FileSystem: pathfs.NewDefaultFileSystem(),
	}

	var err error
	dir, err := ioutil.TempDir("", "go-fuse")
	if err != nil {
		t.Fatalf("TempDir failed: %v", err)
	}
	pathfs := pathfs.NewPathNodeFs(fs, nil)
	state, _, err := nodefs.MountFileSystem(dir, pathfs, nil)
	if err != nil {
		t.Fatalf("MountNodeFileSystem failed: %v", err)
	}
	state.SetDebug(VerboseTest())
	go state.Serve()

	return dir, func() {
		state.Unmount()
		os.Remove(dir)
	}
}
开发者ID:newblue，项目名称:go-fuse，代码行数:23，代码来源:defaultread_test.go


示例17: TestOriginalIsSymlink

func TestOriginalIsSymlink(t *testing.T) {
	tmpDir, err := ioutil.TempDir("", "go-fuse-loopback_test")
	if err != nil {
		t.Fatalf("TempDir failed: %v", err)
	}
	defer os.RemoveAll(tmpDir)
	orig := tmpDir + "/orig"
	err = os.Mkdir(orig, 0755)
	if err != nil {
		t.Fatalf("Mkdir failed: %v", err)
	}
	link := tmpDir + "/link"
	mnt := tmpDir + "/mnt"
	err = os.Mkdir(mnt, 0755)
	if err != nil {
		t.Fatalf("Mkdir failed: %v", err)
	}
	err = os.Symlink("orig", link)
	if err != nil {
		t.Fatalf("Symlink failed: %v", err)
	}

	fs := pathfs.NewLoopbackFileSystem(link)
	nfs := pathfs.NewPathNodeFs(fs, nil)
	state, _, err := nodefs.MountFileSystem(mnt, nfs, nil)
	if err != nil {
		t.Fatalf("MountNodeFileSystem failed: %v", err)
	}
	defer state.Unmount()

	go state.Serve()

	_, err = os.Lstat(mnt)
	if err != nil {
		t.Fatalf("Lstat failed: %v", err)
	}
}
开发者ID:Tarnas，项目名称:go-fuse，代码行数:37，代码来源:loopback_test.go


示例18: TestXAttrCaching

func TestXAttrCaching(t *testing.T) {
	wd, _ := ioutil.TempDir("", "unionfs")
	defer os.RemoveAll(wd)
	os.Mkdir(wd+"/mnt", 0700)
	err := os.Mkdir(wd+"/rw", 0700)
	if err != nil {
		t.Fatalf("Mkdir failed: %v", err)
	}

	rwFS := pathfs.NewLoopbackFileSystem(wd + "/rw")
	roFS := &TestFS{
		FileSystem: pathfs.NewDefaultFileSystem(),
	}

	ufs, err := NewUnionFs([]pathfs.FileSystem{rwFS,
		NewCachingFileSystem(roFS, entryTtl)}, testOpts)
	if err != nil {
		t.Fatalf("NewUnionFs: %v", err)
	}

	opts := &nodefs.Options{
		EntryTimeout:    entryTtl / 2,
		AttrTimeout:     entryTtl / 2,
		NegativeTimeout: entryTtl / 2,
	}

	pathfs := pathfs.NewPathNodeFs(ufs,
		&pathfs.PathNodeFsOptions{ClientInodes: true})

	server, conn, err := nodefs.MountFileSystem(wd+"/mnt", pathfs, opts)
	if err != nil {
		t.Fatalf("MountNodeFileSystem failed: %v", err)
	}
	server.SetDebug(VerboseTest())
	conn.SetDebug(VerboseTest())
	pathfs.SetDebug(VerboseTest())
	defer server.Unmount()
	go server.Serve()

	if fi, err := os.Lstat(wd + "/mnt"); err != nil || !fi.IsDir() {
		t.Fatalf("root not readable: %v, %v", err, fi)
	}

	buf := make([]byte, 1024)
	n, err := syscall.Getxattr(wd+"/mnt/file", "user.attr", buf)
	if err != nil {
		t.Fatalf("Getxattr: %v", err)
	}
	want := "\x2a"
	got := string(buf[:n])
	if got != want {
		t.Fatalf("Got %q want %q", got, err)
	}
	time.Sleep(entryTtl / 2)
	n, err = syscall.Getxattr(wd+"/mnt/file", "user.attr", buf)
	if err != nil {
		t.Fatalf("Getxattr: %v", err)
	}
	got = string(buf[:n])
	if got != want {
		t.Fatalf("Got %q want %q", got, err)
	}
	server.Unmount()
	if roFS.xattrRead != 1 {
		t.Errorf("got xattrRead=%d, want 1", roFS.xattrRead)
	}
}
开发者ID:newblue，项目名称:go-fuse，代码行数:67，代码来源:unionfs_xattr_test.go


示例19: TestUnionFsDisappearing

func TestUnionFsDisappearing(t *testing.T) {
	// This init is like setupUfs, but we want access to the
	// writable Fs.
	wd, _ := ioutil.TempDir("", "")
	defer os.RemoveAll(wd)
	err := os.Mkdir(wd+"/mnt", 0700)
	if err != nil {
		t.Fatalf("Mkdir failed: %v", err)
	}

	err = os.Mkdir(wd+"/rw", 0700)
	if err != nil {
		t.Fatalf("Mkdir failed: %v", err)
	}

	os.Mkdir(wd+"/ro", 0700)
	if err != nil {
		t.Fatalf("Mkdir failed: %v", err)
	}

	wrFs := newDisappearingFS(pathfs.NewLoopbackFileSystem(wd+"/rw"),
		pathfs.NewLoopbackFileSystem("/dev/null"))
	var fses []pathfs.FileSystem
	fses = append(fses, pathfs.NewLockingFileSystem(wrFs))
	fses = append(fses, pathfs.NewLoopbackFileSystem(wd+"/ro"))
	ufs, err := NewUnionFs(fses, testOpts)
	if err != nil {
		t.Fatalf("NewUnionFs: %v", err)
	}

	opts := &nodefs.Options{
		EntryTimeout:    entryTtl,
		AttrTimeout:     entryTtl,
		NegativeTimeout: entryTtl,
	}

	nfs := pathfs.NewPathNodeFs(ufs, nil)
	state, _, err := nodefs.MountFileSystem(wd+"/mnt", nfs, opts)
	if err != nil {
		t.Fatalf("MountNodeFileSystem failed: %v", err)
	}
	defer state.Unmount()
	state.SetDebug(VerboseTest())
	go state.Serve()

	log.Println("TestUnionFsDisappearing2")

	err = ioutil.WriteFile(wd+"/ro/file", []byte("blabla"), 0644)
	if err != nil {
		t.Fatalf("WriteFile failed: %v", err)
	}
	setRecursiveWritable(t, wd+"/ro", false)

	err = os.Remove(wd + "/mnt/file")
	if err != nil {
		t.Fatalf("Remove failed: %v", err)
	}

	wrFs.visibleChan <- false
	time.Sleep((3 * entryTtl) / 2)

	_, err = ioutil.ReadDir(wd + "/mnt")
	if err == nil {
		t.Fatal("Readdir should have failed")
	}
	log.Println("expected readdir failure:", err)

	err = ioutil.WriteFile(wd+"/mnt/file2", []byte("blabla"), 0644)
	if err == nil {
		t.Fatal("write should have failed")
	}
	log.Println("expected write failure:", err)

	// Restore, and wait for caches to catch up.
	wrFs.visibleChan <- true
	time.Sleep((3 * entryTtl) / 2)

	_, err = ioutil.ReadDir(wd + "/mnt")
	if err != nil {
		t.Fatal("Readdir should succeed", err)
	}
	err = ioutil.WriteFile(wd+"/mnt/file2", []byte("blabla"), 0644)
	if err != nil {
		t.Fatal("write should succeed", err)
	}
}
开发者ID:newblue，项目名称:go-fuse，代码行数:86，代码来源:unionfs_test.go



注：本文中的github.com/hanwen/go-fuse/fuse/nodefs.MountFileSystem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。

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