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This commit is contained in:
chrislu 2022-02-16 07:57:08 -08:00
parent 65bfeafb5a
commit 22739c653a
3 changed files with 0 additions and 138 deletions

View file

@ -1,42 +0,0 @@
package mount
import (
"bytes"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/hanwen/go-fuse/v2/fs"
"strings"
)
type Directory struct {
fs.Inode
name string
wfs *WFS
entry *filer_pb.Entry
parent *Directory
id uint64
}
func (dir *Directory) FullPath() string {
var parts []string
for p := dir; p != nil; p = p.parent {
if strings.HasPrefix(p.name, "/") {
if len(p.name) > 1 {
parts = append(parts, p.name[1:])
}
} else {
parts = append(parts, p.name)
}
}
if len(parts) == 0 {
return "/"
}
var buf bytes.Buffer
for i := len(parts) - 1; i >= 0; i-- {
buf.WriteString("/")
buf.WriteString(parts[i])
}
return buf.String()
}

View file

@ -1,84 +0,0 @@
package mount
import (
"context"
"github.com/chrislusf/seaweedfs/weed/filer"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/mount/meta_cache"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/hanwen/go-fuse/v2/fs"
"github.com/hanwen/go-fuse/v2/fuse"
"math"
"os"
"syscall"
)
var _ = fs.NodeReaddirer(&Directory{})
var _ = fs.NodeGetattrer(&Directory{})
func (dir *Directory) Getattr(ctx context.Context, fh fs.FileHandle, out *fuse.AttrOut) syscall.Errno {
out.Mode = 0755
return 0
}
func (dir *Directory) Readdir(ctx context.Context) (fs.DirStream, syscall.Errno) {
dirPath := util.FullPath(dir.FullPath())
glog.V(4).Infof("Readdir %s", dirPath)
sourceChan := make(chan fuse.DirEntry, 64)
stream := newDirectoryListStream(sourceChan)
processEachEntryFn := func(entry *filer.Entry, isLast bool) {
sourceChan <- fuse.DirEntry{
Mode: uint32(entry.Mode),
Name: entry.Name(),
Ino: dirPath.Child(entry.Name()).AsInode(os.ModeDir),
}
}
if err := meta_cache.EnsureVisited(dir.wfs.metaCache, dir.wfs, dirPath); err != nil {
glog.Errorf("dir ReadDirAll %s: %v", dirPath, err)
return nil, fs.ToErrno(os.ErrInvalid)
}
go func() {
dir.wfs.metaCache.ListDirectoryEntries(context.Background(), dirPath, "", false, int64(math.MaxInt32), func(entry *filer.Entry) bool {
processEachEntryFn(entry, false)
return true
})
close(sourceChan)
}()
return stream, fs.OK
}
var _ = fs.DirStream(&DirectoryListStream{})
type DirectoryListStream struct {
next fuse.DirEntry
sourceChan chan fuse.DirEntry
isStarted bool
hasNext bool
}
func newDirectoryListStream(ch chan fuse.DirEntry) *DirectoryListStream {
return &DirectoryListStream{
sourceChan: ch,
}
}
func (i *DirectoryListStream) HasNext() bool {
if !i.isStarted {
i.next, i.hasNext = <-i.sourceChan
i.isStarted = true
}
return i.hasNext
}
func (i *DirectoryListStream) Next() (fuse.DirEntry, syscall.Errno) {
t := i.next
i.next, i.hasNext = <-i.sourceChan
return t, fs.OK
}
func (i *DirectoryListStream) Close() {
}

View file

@ -59,7 +59,6 @@ type WFS struct {
option *Option
metaCache *meta_cache.MetaCache
stats statsCache
root Directory
chunkCache *chunk_cache.TieredChunkCache
signature int32
concurrentWriters *util.LimitedConcurrentExecutor
@ -78,13 +77,6 @@ func NewSeaweedFileSystem(option *Option) *WFS {
dhmap: NewDirectoryHandleToInode(),
}
wfs.root = Directory{
name: "/",
wfs: wfs,
entry: nil,
parent: nil,
}
wfs.option.filerIndex = rand.Intn(len(option.FilerAddresses))
wfs.option.setupUniqueCacheDirectory()
if option.CacheSizeMB > 0 {
@ -113,10 +105,6 @@ func (wfs *WFS) StartBackgroundTasks() {
go meta_cache.SubscribeMetaEvents(wfs.metaCache, wfs.signature, wfs, wfs.option.FilerMountRootPath, startTime.UnixNano())
}
func (wfs *WFS) Root() *Directory {
return &wfs.root
}
func (wfs *WFS) String() string {
return "seaweedfs"
}