pass file attributes from filer to mount

weed/filesys/dir.go

@@ -12,6 +12,7 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/filer"
 	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"time"
 )
 
 type Dir struct {
@@ -74,7 +75,7 @@ func (dir *Dir) Lookup(ctx context.Context, name string) (node fs.Node, err erro
 		if entry.IsDirectory {
 			node = &Dir{Path: path.Join(dir.Path, name), wfs: dir.wfs}
 		} else {
-			node = &File{FileId: filer.FileId(entry.FileId), Name: name, wfs: dir.wfs}
+			node = &File{FileId: filer.FileId(entry.FileId), Name: name, dir: dir, wfs: dir.wfs}
 		}
 		dir.NodeMap[name] = node
 		return node, nil
@@ -104,6 +105,7 @@ func (dir *Dir) ReadDirAll(ctx context.Context) (ret []fuse.Dirent, err error) {
 			} else {
 				dirent := fuse.Dirent{Name: entry.Name, Type: fuse.DT_File}
 				ret = append(ret, dirent)
+				dir.wfs.listDirectoryEntriesCache.Set(dir.Path+"/"+entry.Name, entry.Attributes, 3*time.Second)
 			}
 		}
 

weed/filesys/file.go

@@ -9,6 +9,9 @@ import (
 	"bazil.org/fuse/fs"
 	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"path/filepath"
+	"os"
+	"time"
 )
 
 var _ = fs.Node(&File{})
@@ -22,29 +25,48 @@ var _ = fs.HandleWriter(&File{})
 type File struct {
 	FileId filer.FileId
 	Name   string
+	dir    *Dir
 	wfs    *WFS
 }
 
 func (file *File) Attr(context context.Context, attr *fuse.Attr) error {
-	attr.Mode = 0444
-	return file.wfs.withFilerClient(func(client filer_pb.SeaweedFilerClient) error {
+	fullPath := filepath.Join(file.dir.Path, file.Name)
+	item := file.wfs.listDirectoryEntriesCache.Get(fullPath)
+	var attributes *filer_pb.FuseAttributes
+	if item != nil {
+		attributes = item.Value().(*filer_pb.FuseAttributes)
+		glog.V(1).Infof("read cached file %v attributes", file.Name)
+	} else {
+		err := file.wfs.withFilerClient(func(client filer_pb.SeaweedFilerClient) error {
 
-		request := &filer_pb.GetFileAttributesRequest{
-			Name:      file.Name,
-			ParentDir: "", //TODO add parent folder
-			FileId:    string(file.FileId),
-		}
+			request := &filer_pb.GetFileAttributesRequest{
+				Name:      file.Name,
+				ParentDir: file.dir.Path,
+			}
+
+			glog.V(1).Infof("read file size: %v", request)
+			resp, err := client.GetFileAttributes(context, request)
+			if err != nil {
+				return err
+			}
+
+			attributes = resp.Attributes
+
+			return nil
+		})
 
-		glog.V(1).Infof("read file size: %v", request)
-		resp, err := client.GetFileAttributes(context, request)
 		if err != nil {
 			return err
 		}
+	}
 
-		attr.Size = resp.Attributes.FileSize
+	attr.Mode = os.FileMode(attributes.FileMode)
+	attr.Size = attributes.FileSize
+	attr.Mtime = time.Unix(attributes.Mtime, 0)
+	attr.Gid = attributes.Gid
+	attr.Uid = attributes.Uid
+	return nil
 
-		return nil
-	})
 }
 
 func (file *File) ReadAll(ctx context.Context) (content []byte, err error) {

weed/filesys/wfs.go

@@ -5,15 +5,18 @@ import (
 	"fmt"
 	"google.golang.org/grpc"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/karlseguin/ccache"
 )
 
 type WFS struct {
-	filer string
+	filer                     string
+	listDirectoryEntriesCache *ccache.Cache
 }
 
 func NewSeaweedFileSystem(filer string) *WFS {
 	return &WFS{
-		filer: filer,
+		filer:                     filer,
+		listDirectoryEntriesCache: ccache.New(ccache.Configure().MaxSize(6000).ItemsToPrune(100)),
 	}
 }