Example #1
0
	wiresnap "bazil.org/bazil/fs/snap/wire"
	"bazil.org/bazil/fs/wire"
	"bazil.org/bazil/tokens"
	"bazil.org/bazil/util/env"
	"bazil.org/fuse"
	"bazil.org/fuse/fs"
)

type listSnaps struct {
	fs      *Volume
	rootDir *dir
}

var _ = fs.Node(&listSnaps{})
var _ = fs.NodeMkdirer(&listSnaps{})
var _ = fs.NodeStringLookuper(&listSnaps{})
var _ = fs.Handle(&listSnaps{})
var _ = fs.HandleReadDirer(&listSnaps{})

func (d *listSnaps) Attr() fuse.Attr {
	return fuse.Attr{
		Inode: tokens.InodeSnap,
		Mode:  os.ModeDir | 0755,
		Nlink: 1,
		Uid:   env.MyUID,
		Gid:   env.MyGID,
	}
}

var _ = fs.NodeStringLookuper(&listSnaps{})
Example #2
0
	"github.com/restic/restic/backend"
	"github.com/restic/restic/repository"

	"golang.org/x/net/context"
)

type SnapshotWithId struct {
	*restic.Snapshot
	backend.ID
}

// These lines statically ensure that a *SnapshotsDir implement the given
// interfaces; a misplaced refactoring of the implementation that breaks
// the interface will be catched by the compiler
var _ = fs.HandleReadDirAller(&SnapshotsDir{})
var _ = fs.NodeStringLookuper(&SnapshotsDir{})

type SnapshotsDir struct {
	repo        *repository.Repository
	ownerIsRoot bool

	// knownSnapshots maps snapshot timestamp to the snapshot
	sync.RWMutex
	knownSnapshots map[string]SnapshotWithId
}

func NewSnapshotsDir(repo *repository.Repository, ownerIsRoot bool) *SnapshotsDir {
	return &SnapshotsDir{
		repo:           repo,
		knownSnapshots: make(map[string]SnapshotWithId),
		ownerIsRoot:    ownerIsRoot,
Example #3
0
package fuse

import (
	"os"

	"bazil.org/fuse"
	"bazil.org/fuse/fs"
	"golang.org/x/net/context"

	"github.com/restic/restic"
	"github.com/restic/restic/repository"
)

// Statically ensure that *dir implement those interface
var _ = fs.HandleReadDirAller(&dir{})
var _ = fs.NodeStringLookuper(&dir{})

type dir struct {
	repo  *repository.Repository
	items map[string]*restic.Node
	inode uint64
}

func newDir(repo *repository.Repository, node *restic.Node) (*dir, error) {
	tree, err := restic.LoadTree(repo, node.Subtree)
	if err != nil {
		return nil, err
	}
	items := make(map[string]*restic.Node)
	for _, node := range tree.Nodes {
		items[node.Name] = node
Example #4
0
	a.Mode = 0666
	return nil
}

// Dir can be embedded in a struct to make it look like a directory.
type Dir struct{}

func (f Dir) Attr(ctx context.Context, a *fuse.Attr) error {
	a.Mode = os.ModeDir | 0777
	return nil
}

// ChildMap is a directory with child nodes looked up from a map.
type ChildMap map[string]fs.Node

var _ = fs.Node(ChildMap{})
var _ = fs.NodeStringLookuper(ChildMap{})

func (f ChildMap) Attr(ctx context.Context, a *fuse.Attr) error {
	a.Mode = os.ModeDir | 0777
	return nil
}

func (f ChildMap) Lookup(ctx context.Context, name string) (fs.Node, error) {
	child, ok := f[name]
	if !ok {
		return nil, fuse.ENOENT
	}
	return child, nil
}
Example #5
0
			reader:     r,
		}
		return child, nil

	default:
		return nil, fmt.Errorf("unknown entry in tree, %v", de)
	}
}

type fuseDir struct {
	chunkStore chunks.Store
	reader     *Reader
}

var _ = fusefs.Node(fuseDir{})
var _ = fusefs.NodeStringLookuper(fuseDir{})
var _ = fusefs.NodeCreater(fuseDir{})
var _ = fusefs.Handle(fuseDir{})
var _ = fusefs.HandleReadDirAller(fuseDir{})

func (d fuseDir) Attr(ctx context.Context, a *fuse.Attr) error {
	a.Mode = os.ModeDir | 0555
	a.Uid = env.MyUID
	a.Gid = env.MyGID
	return nil
}

const _MAX_INT64 = 9223372036854775807

func (d fuseDir) Lookup(ctx context.Context, name string) (fusefs.Node, error) {
	de, err := d.reader.Lookup(name)
Example #6
0
func (benchFS) Init(req *fuse.InitRequest, resp *fuse.InitResponse, intr fs.Intr) fuse.Error {
	resp.MaxReadahead = 64 * 1024 * 1024
	resp.Flags |= fuse.InitAsyncRead
	return nil
}

func (f benchFS) Root() (fs.Node, fuse.Error) {
	return benchDir{conf: f.conf}, nil
}

type benchDir struct {
	conf *benchConfig
}

var _ = fs.Node(benchDir{})
var _ = fs.NodeStringLookuper(benchDir{})
var _ = fs.Handle(benchDir{})
var _ = fs.HandleReadDirer(benchDir{})

func (benchDir) Attr() fuse.Attr {
	return fuse.Attr{Inode: 1, Mode: os.ModeDir | 0555}
}

func (d benchDir) Lookup(name string, intr fs.Intr) (fs.Node, fuse.Error) {
	if name == "bench" {
		return benchFile{conf: d.conf}, nil
	}
	return nil, fuse.ENOENT
}

func (benchDir) ReadDir(intr fs.Intr) ([]fuse.Dirent, fuse.Error) {
Example #7
0
	if err != nil {
		return nil, err
	}
	testName = regexp.QuoteMeta(testName)
	cmd := exec.Command(executable, "-test.run=^"+testName+"$", "-fuse.internal.childmode")
	cmd.Stdout = os.Stdout
	cmd.Stderr = os.Stderr
	return cmd, nil
}

// childMapFS is an FS with one fixed child named "child".
type childMapFS map[string]fs.Node

var _ = fs.FS(childMapFS{})
var _ = fs.Node(childMapFS{})
var _ = fs.NodeStringLookuper(childMapFS{})

func (f childMapFS) Attr() fuse.Attr {
	return fuse.Attr{Inode: 1, Mode: os.ModeDir | 0777}
}

func (f childMapFS) Root() (fs.Node, fuse.Error) {
	return f, nil
}

func (f childMapFS) Lookup(name string, intr fs.Intr) (fs.Node, fuse.Error) {
	child, ok := f[name]
	if !ok {
		return nil, fuse.ENOENT
	}
	return child, nil