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Diffstat (limited to 'weed/filesys/file.go')
-rw-r--r--weed/filesys/file.go195
1 files changed, 133 insertions, 62 deletions
diff --git a/weed/filesys/file.go b/weed/filesys/file.go
index 1b359ebbe..69d440a73 100644
--- a/weed/filesys/file.go
+++ b/weed/filesys/file.go
@@ -3,7 +3,6 @@ package filesys
import (
"context"
"os"
- "path/filepath"
"sort"
"time"
@@ -20,6 +19,11 @@ var _ = fs.Node(&File{})
var _ = fs.NodeOpener(&File{})
var _ = fs.NodeFsyncer(&File{})
var _ = fs.NodeSetattrer(&File{})
+var _ = fs.NodeGetxattrer(&File{})
+var _ = fs.NodeSetxattrer(&File{})
+var _ = fs.NodeRemovexattrer(&File{})
+var _ = fs.NodeListxattrer(&File{})
+var _ = fs.NodeForgetter(&File{})
type File struct {
Name string
@@ -27,21 +31,32 @@ type File struct {
wfs *WFS
entry *filer_pb.Entry
entryViewCache []filer2.VisibleInterval
- isOpen bool
+ isOpen int
}
-func (file *File) fullpath() string {
- return filepath.Join(file.dir.Path, file.Name)
+func (file *File) fullpath() filer2.FullPath {
+ return filer2.NewFullPath(file.dir.Path, file.Name)
}
func (file *File) Attr(ctx context.Context, attr *fuse.Attr) error {
- if err := file.maybeLoadAttributes(ctx); err != nil {
- return err
+ glog.V(4).Infof("file Attr %s, open:%v, existing attr: %+v", file.fullpath(), file.isOpen, attr)
+
+ if file.isOpen <= 0 {
+ if err := file.maybeLoadEntry(ctx); err != nil {
+ return err
+ }
}
+ attr.Inode = file.fullpath().AsInode()
+ attr.Valid = time.Second
attr.Mode = os.FileMode(file.entry.Attributes.FileMode)
attr.Size = filer2.TotalSize(file.entry.Chunks)
+ if file.isOpen > 0 {
+ attr.Size = file.entry.Attributes.FileSize
+ glog.V(4).Infof("file Attr %s, open:%v, size: %d", file.fullpath(), file.isOpen, attr.Size)
+ }
+ attr.Crtime = time.Unix(file.entry.Attributes.Crtime, 0)
attr.Mtime = time.Unix(file.entry.Attributes.Mtime, 0)
attr.Gid = file.entry.Attributes.Gid
attr.Uid = file.entry.Attributes.Uid
@@ -52,11 +67,22 @@ func (file *File) Attr(ctx context.Context, attr *fuse.Attr) error {
}
+func (file *File) Getxattr(ctx context.Context, req *fuse.GetxattrRequest, resp *fuse.GetxattrResponse) error {
+
+ // glog.V(4).Infof("file Getxattr %s", file.fullpath())
+
+ if err := file.maybeLoadEntry(ctx); err != nil {
+ return err
+ }
+
+ return getxattr(file.entry, req, resp)
+}
+
func (file *File) Open(ctx context.Context, req *fuse.OpenRequest, resp *fuse.OpenResponse) (fs.Handle, error) {
- glog.V(3).Infof("%v file open %+v", file.fullpath(), req)
+ glog.V(4).Infof("file %v open %+v", file.fullpath(), req)
- file.isOpen = true
+ file.isOpen++
handle := file.wfs.AcquireHandle(file, req.Uid, req.Gid)
@@ -70,17 +96,28 @@ func (file *File) Open(ctx context.Context, req *fuse.OpenRequest, resp *fuse.Op
func (file *File) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *fuse.SetattrResponse) error {
- if err := file.maybeLoadAttributes(ctx); err != nil {
+ glog.V(3).Infof("%v file setattr %+v, old:%+v", file.fullpath(), req, file.entry.Attributes)
+
+ if err := file.maybeLoadEntry(ctx); err != nil {
return err
}
- glog.V(3).Infof("%v file setattr %+v, old:%+v", file.fullpath(), req, file.entry.Attributes)
if req.Valid.Size() {
glog.V(3).Infof("%v file setattr set size=%v", file.fullpath(), req.Size)
- if req.Size == 0 {
+ if req.Size < filer2.TotalSize(file.entry.Chunks) {
// fmt.Printf("truncate %v \n", fullPath)
- file.entry.Chunks = nil
+ var chunks []*filer_pb.FileChunk
+ for _, chunk := range file.entry.Chunks {
+ int64Size := int64(chunk.Size)
+ if chunk.Offset+int64Size > int64(req.Size) {
+ int64Size = int64(req.Size) - chunk.Offset
+ }
+ if int64Size > 0 {
+ chunks = append(chunks, chunk)
+ }
+ }
+ file.entry.Chunks = chunks
file.entryViewCache = nil
}
file.entry.Attributes.FileSize = req.Size
@@ -105,79 +142,94 @@ func (file *File) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *f
file.entry.Attributes.Mtime = req.Mtime.Unix()
}
- if file.isOpen {
+ if file.isOpen > 0 {
return nil
}
- return file.wfs.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
+ file.wfs.cacheDelete(file.fullpath())
- request := &filer_pb.UpdateEntryRequest{
- Directory: file.dir.Path,
- Entry: file.entry,
- }
+ return file.saveEntry()
- glog.V(1).Infof("set attr file entry: %v", request)
- _, err := client.UpdateEntry(ctx, request)
- if err != nil {
- glog.V(0).Infof("UpdateEntry file %s/%s: %v", file.dir.Path, file.Name, err)
- return fuse.EIO
- }
+}
- return nil
- })
+func (file *File) Setxattr(ctx context.Context, req *fuse.SetxattrRequest) error {
-}
+ glog.V(4).Infof("file Setxattr %s: %s", file.fullpath(), req.Name)
-func (file *File) Fsync(ctx context.Context, req *fuse.FsyncRequest) error {
- // fsync works at OS level
- // write the file chunks to the filerGrpcAddress
- glog.V(3).Infof("%s/%s fsync file %+v", file.dir.Path, file.Name, req)
+ if err := file.maybeLoadEntry(ctx); err != nil {
+ return err
+ }
+
+ if err := setxattr(file.entry, req); err != nil {
+ return err
+ }
+
+ file.wfs.cacheDelete(file.fullpath())
+
+ return file.saveEntry()
- return nil
}
-func (file *File) maybeLoadAttributes(ctx context.Context) error {
- if file.entry == nil || !file.isOpen {
- item := file.wfs.listDirectoryEntriesCache.Get(file.fullpath())
- if item != nil && !item.Expired() {
- entry := item.Value().(*filer_pb.Entry)
- file.setEntry(entry)
- // glog.V(1).Infof("file attr read cached %v attributes", file.Name)
- } else {
- err := file.wfs.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
+func (file *File) Removexattr(ctx context.Context, req *fuse.RemovexattrRequest) error {
- request := &filer_pb.LookupDirectoryEntryRequest{
- Name: file.Name,
- Directory: file.dir.Path,
- }
+ glog.V(4).Infof("file Removexattr %s: %s", file.fullpath(), req.Name)
- resp, err := client.LookupDirectoryEntry(ctx, request)
- if err != nil {
- glog.V(3).Infof("file attr read file %v: %v", request, err)
- return fuse.ENOENT
- }
+ if err := file.maybeLoadEntry(ctx); err != nil {
+ return err
+ }
- file.setEntry(resp.Entry)
+ if err := removexattr(file.entry, req); err != nil {
+ return err
+ }
+
+ file.wfs.cacheDelete(file.fullpath())
- glog.V(3).Infof("file attr %v %+v: %d", file.fullpath(), file.entry.Attributes, filer2.TotalSize(file.entry.Chunks))
+ return file.saveEntry()
- // file.wfs.listDirectoryEntriesCache.Set(file.fullpath(), file.entry, file.wfs.option.EntryCacheTtl)
+}
- return nil
- })
+func (file *File) Listxattr(ctx context.Context, req *fuse.ListxattrRequest, resp *fuse.ListxattrResponse) error {
- if err != nil {
- return err
- }
- }
+ glog.V(4).Infof("file Listxattr %s", file.fullpath())
+
+ if err := file.maybeLoadEntry(ctx); err != nil {
+ return err
+ }
+
+ if err := listxattr(file.entry, req, resp); err != nil {
+ return err
}
+
return nil
+
}
-func (file *File) addChunk(chunk *filer_pb.FileChunk) {
- if chunk != nil {
- file.addChunks([]*filer_pb.FileChunk{chunk})
+func (file *File) Fsync(ctx context.Context, req *fuse.FsyncRequest) error {
+ // fsync works at OS level
+ // write the file chunks to the filerGrpcAddress
+ glog.V(3).Infof("%s/%s fsync file %+v", file.dir.Path, file.Name, req)
+
+ return nil
+}
+
+func (file *File) Forget() {
+ glog.V(3).Infof("Forget file %s/%s", file.dir.Path, file.Name)
+
+ file.wfs.forgetNode(filer2.NewFullPath(file.dir.Path, file.Name))
+
+}
+
+func (file *File) maybeLoadEntry(ctx context.Context) error {
+ if file.entry == nil || file.isOpen <= 0 {
+ entry, err := file.wfs.maybeLoadEntry(file.dir.Path, file.Name)
+ if err != nil {
+ return err
+ }
+ if entry != nil {
+ file.setEntry(entry)
+ }
}
+ return nil
}
func (file *File) addChunks(chunks []*filer_pb.FileChunk) {
@@ -203,3 +255,22 @@ func (file *File) setEntry(entry *filer_pb.Entry) {
file.entry = entry
file.entryViewCache = filer2.NonOverlappingVisibleIntervals(file.entry.Chunks)
}
+
+func (file *File) saveEntry() error {
+ return file.wfs.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
+
+ request := &filer_pb.UpdateEntryRequest{
+ Directory: file.dir.Path,
+ Entry: file.entry,
+ }
+
+ glog.V(1).Infof("save file entry: %v", request)
+ _, err := client.UpdateEntry(context.Background(), request)
+ if err != nil {
+ glog.V(0).Infof("UpdateEntry file %s/%s: %v", file.dir.Path, file.Name, err)
+ return fuse.EIO
+ }
+
+ return nil
+ })
+}