chrislu
3 years ago
5 changed files with 218 additions and 5 deletions
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61weed/mount/inode_to_path.go
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37weed/mount/weedfs.go
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98weed/mount/weedfs_attr.go
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8weed/mount/weedfs_attr_darwin.go
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9weed/mount/weedfs_attr_linux.go
@ -0,0 +1,61 @@ |
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package mount |
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import ( |
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"github.com/chrislusf/seaweedfs/weed/glog" |
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"github.com/chrislusf/seaweedfs/weed/util" |
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"sync" |
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) |
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type InodeToPath struct { |
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sync.RWMutex |
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nextInodeId uint64 |
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inode2path map[uint64]util.FullPath |
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path2inode map[util.FullPath]uint64 |
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} |
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func NewInodeToPath() *InodeToPath { |
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return &InodeToPath{ |
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inode2path: make(map[uint64]util.FullPath), |
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path2inode: make(map[util.FullPath]uint64), |
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nextInodeId: 2, // the root inode id is 1
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} |
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} |
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func (i *InodeToPath) GetInode(path util.FullPath) uint64 { |
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if path == "/" { |
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return 1 |
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} |
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i.Lock() |
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defer i.Unlock() |
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inode, found := i.path2inode[path] |
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if !found { |
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inode = i.nextInodeId |
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i.nextInodeId++ |
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i.path2inode[path] = inode |
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i.inode2path[inode] = path |
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} |
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return inode |
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} |
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func (i *InodeToPath) GetPath(inode uint64) util.FullPath { |
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if inode == 1 { |
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return "/" |
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} |
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i.RLock() |
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defer i.RUnlock() |
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path, found := i.inode2path[inode] |
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if !found { |
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glog.Fatal("not found inode %d", inode) |
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} |
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return path |
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} |
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func (i *InodeToPath) HasPath(path util.FullPath) bool { |
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if path == "/" { |
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return true |
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} |
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i.RLock() |
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defer i.RUnlock() |
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_, found := i.path2inode[path] |
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return found |
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} |
@ -0,0 +1,98 @@ |
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package mount |
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import ( |
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"github.com/chrislusf/seaweedfs/weed/filer" |
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb" |
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"github.com/hanwen/go-fuse/v2/fuse" |
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"os" |
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"syscall" |
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"time" |
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) |
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func (wfs *WFS) GetAttr(cancel <-chan struct{}, input *fuse.GetAttrIn, out *fuse.AttrOut) (code fuse.Status) { |
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println("input node id", input.NodeId) |
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if input.NodeId == 1 { |
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wfs.setRootAttr(out) |
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return fuse.OK |
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} |
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entry, status := wfs.maybeReadEntry(input.NodeId) |
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if status != fuse.OK { |
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return status |
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} |
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if entry.IsDirectory { |
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} |
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return fuse.ENOSYS |
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} |
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func (wfs *WFS) SetAttr(cancel <-chan struct{}, input *fuse.SetAttrIn, out *fuse.AttrOut) (code fuse.Status) { |
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return fuse.ENOSYS |
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} |
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func (wfs *WFS) GetXAttr(cancel <-chan struct{}, header *fuse.InHeader, attr string, dest []byte) (size uint32, code fuse.Status) { |
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return 0, fuse.ENOSYS |
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} |
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func (wfs *WFS) SetXAttr(cancel <-chan struct{}, input *fuse.SetXAttrIn, attr string, data []byte) fuse.Status { |
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return fuse.ENOSYS |
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} |
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func (wfs *WFS) ListXAttr(cancel <-chan struct{}, header *fuse.InHeader, dest []byte) (n uint32, code fuse.Status) { |
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return 0, fuse.ENOSYS |
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} |
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func (wfs *WFS) RemoveXAttr(cancel <-chan struct{}, header *fuse.InHeader, attr string) fuse.Status { |
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return fuse.ENOSYS |
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} |
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func (wfs *WFS) setRootAttr(out *fuse.AttrOut) { |
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now := uint64(time.Now().Second()) |
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out.AttrValid = 119 |
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out.Ino = 1 |
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setBlksize(&out.Attr, blockSize) |
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out.Uid = wfs.option.MountUid |
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out.Gid = wfs.option.MountGid |
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out.Mtime = now |
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out.Ctime = now |
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out.Atime = now |
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out.Mode = uint32(syscall.S_IFDIR | wfs.option.MountMode) |
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out.Nlink = 1 |
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} |
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func (wfs *WFS) setOutAttr(out *fuse.AttrOut, inode uint64, entry *filer_pb.Entry) { |
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out.AttrValid = 1 |
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out.Ino = inode |
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out.Uid = entry.Attributes.Uid |
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out.Gid = entry.Attributes.Gid |
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out.Mode = entry.Attributes.FileMode |
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out.Mtime = uint64(entry.Attributes.Mtime) |
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out.Ctime = uint64(entry.Attributes.Mtime) |
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out.Atime = uint64(entry.Attributes.Mtime) |
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if entry.HardLinkCounter > 0 { |
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out.Nlink = uint32(entry.HardLinkCounter) |
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} |
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out.Size = filer.FileSize(entry) |
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out.Blocks = out.Size/blockSize + 1 |
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setBlksize(&out.Attr, blockSize) |
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out.Nlink = 1 |
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} |
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func osToSystemMode(mode os.FileMode) uint32 { |
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switch mode & 0x7F { |
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case os.ModeDir: |
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return syscall.S_IFDIR |
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case os.ModeSymlink: |
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return syscall.S_IFLNK |
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case os.ModeNamedPipe: |
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return syscall.S_IFIFO |
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case os.ModeSocket: |
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return syscall.S_IFSOCK |
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case os.ModeDevice: |
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return syscall.S_IFBLK |
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case os.ModeCharDevice: |
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return syscall.S_IFCHR |
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default: |
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return syscall.S_IFREG |
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} |
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} |
@ -0,0 +1,8 @@ |
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package mount |
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import ( |
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"github.com/hanwen/go-fuse/v2/fuse" |
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) |
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func setBlksize(out *fuse.Attr, size uint32) { |
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} |
@ -0,0 +1,9 @@ |
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package mount |
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import ( |
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"github.com/hanwen/go-fuse/v2/fuse" |
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) |
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func setBlksize(out *fuse.Attr, size uint32) { |
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out.Blksize = size |
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} |
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