mirror of
https://github.com/chrislusf/seaweedfs
synced 2024-09-06 00:50:37 +02:00
fixed file handle by file full path
This commit is contained in:
parent
299312c805
commit
6816661b0f
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@ -122,14 +122,7 @@ func (dir *Dir) Create(ctx context.Context, req *fuse.CreateRequest,
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file := dir.newFile(req.Name, nil)
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file := dir.newFile(req.Name, nil)
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dir.NodeMap[req.Name] = file
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dir.NodeMap[req.Name] = file
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file.isOpen = true
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file.isOpen = true
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return file, &FileHandle{
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return file, dir.wfs.AcquireHandle(file, req.Uid, req.Gid), nil
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f: file,
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dirtyPages: newDirtyPages(file),
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RequestId: req.Header.ID,
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NodeId: req.Header.Node,
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Uid: req.Uid,
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Gid: req.Gid,
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}, nil
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}
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}
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return nil, nil, err
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return nil, nil, err
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@ -26,12 +26,14 @@ type File struct {
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isOpen bool
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isOpen bool
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}
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}
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func (file *File) fullpath() string {
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return filepath.Join(file.dir.Path, file.Name)
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}
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func (file *File) Attr(ctx context.Context, attr *fuse.Attr) error {
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func (file *File) Attr(ctx context.Context, attr *fuse.Attr) error {
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fullPath := filepath.Join(file.dir.Path, file.Name)
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if file.attributes == nil || !file.isOpen {
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if file.attributes == nil || !file.isOpen {
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item := file.wfs.listDirectoryEntriesCache.Get(fullPath)
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item := file.wfs.listDirectoryEntriesCache.Get(file.fullpath())
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if item != nil {
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if item != nil {
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entry := item.Value().(*filer_pb.Entry)
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entry := item.Value().(*filer_pb.Entry)
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file.Chunks = entry.Chunks
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file.Chunks = entry.Chunks
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@ -54,7 +56,7 @@ func (file *File) Attr(ctx context.Context, attr *fuse.Attr) error {
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file.attributes = resp.Attributes
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file.attributes = resp.Attributes
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file.Chunks = resp.Chunks
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file.Chunks = resp.Chunks
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glog.V(1).Infof("file attr %v %+v: %d", fullPath, file.attributes, filer2.TotalSize(file.Chunks))
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glog.V(1).Infof("file attr %v %+v: %d", file.fullpath(), file.attributes, filer2.TotalSize(file.Chunks))
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return nil
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return nil
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})
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})
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@ -77,30 +79,26 @@ func (file *File) Attr(ctx context.Context, attr *fuse.Attr) error {
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func (file *File) Open(ctx context.Context, req *fuse.OpenRequest, resp *fuse.OpenResponse) (fs.Handle, error) {
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func (file *File) Open(ctx context.Context, req *fuse.OpenRequest, resp *fuse.OpenResponse) (fs.Handle, error) {
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fullPath := filepath.Join(file.dir.Path, file.Name)
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glog.V(3).Infof("%v file open %+v", file.fullpath(), req)
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glog.V(3).Infof("%v file open %+v", fullPath, req)
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file.isOpen = true
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file.isOpen = true
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return &FileHandle{
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handle := file.wfs.AcquireHandle(file, req.Uid, req.Gid)
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f: file,
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dirtyPages: newDirtyPages(file),
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resp.Handle = fuse.HandleID(handle.handle)
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RequestId: req.Header.ID,
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NodeId: req.Header.Node,
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glog.V(3).Infof("%v file open handle id = %d", file.fullpath(), handle.handle)
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Uid: req.Uid,
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Gid: req.Gid,
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return handle, nil
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}, nil
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}
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}
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func (file *File) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *fuse.SetattrResponse) error {
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func (file *File) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *fuse.SetattrResponse) error {
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fullPath := filepath.Join(file.dir.Path, file.Name)
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glog.V(3).Infof("%v file setattr %+v", fullPath, req)
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glog.V(3).Infof("%v file setattr %+v, fh=%d", file.fullpath(), req, req.Handle)
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if req.Valid.Size() {
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if req.Valid.Size() {
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glog.V(3).Infof("%v file setattr set size=%v", fullPath, req.Size)
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glog.V(3).Infof("%v file setattr set size=%v", file.fullpath(), req.Size)
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if req.Size == 0 {
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if req.Size == 0 {
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// fmt.Printf("truncate %v \n", fullPath)
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// fmt.Printf("truncate %v \n", fullPath)
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file.Chunks = nil
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file.Chunks = nil
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@ -19,6 +19,8 @@ type FileHandle struct {
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dirtyPages *ContinuousDirtyPages
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dirtyPages *ContinuousDirtyPages
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dirtyMetadata bool
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dirtyMetadata bool
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handle uint64
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f *File
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f *File
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RequestId fuse.RequestID // unique ID for request
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RequestId fuse.RequestID // unique ID for request
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NodeId fuse.NodeID // file or directory the request is about
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NodeId fuse.NodeID // file or directory the request is about
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@ -26,6 +28,15 @@ type FileHandle struct {
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Gid uint32 // group ID of process making request
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Gid uint32 // group ID of process making request
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}
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}
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func newFileHandle(file *File, uid, gid uint32) *FileHandle {
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return &FileHandle{
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f: file,
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dirtyPages: newDirtyPages(file),
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Uid: uid,
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Gid: gid,
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}
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}
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var _ = fs.Handle(&FileHandle{})
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var _ = fs.Handle(&FileHandle{})
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// var _ = fs.HandleReadAller(&FileHandle{})
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// var _ = fs.HandleReadAller(&FileHandle{})
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@ -36,8 +47,9 @@ var _ = fs.HandleReleaser(&FileHandle{})
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func (fh *FileHandle) Read(ctx context.Context, req *fuse.ReadRequest, resp *fuse.ReadResponse) error {
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func (fh *FileHandle) Read(ctx context.Context, req *fuse.ReadRequest, resp *fuse.ReadResponse) error {
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glog.V(4).Infof("%v/%v read fh: [%d,%d)", fh.f.dir.Path, fh.f.Name, req.Offset, req.Offset+int64(req.Size))
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glog.V(4).Infof("%s read fh %d: [%d,%d)", fh.f.fullpath(), fh.handle, req.Offset, req.Offset+int64(req.Size))
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// this value should come from the filer instead of the old f
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if len(fh.f.Chunks) == 0 {
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if len(fh.f.Chunks) == 0 {
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glog.V(0).Infof("empty fh %v/%v", fh.f.dir.Path, fh.f.Name)
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glog.V(0).Infof("empty fh %v/%v", fh.f.dir.Path, fh.f.Name)
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return fmt.Errorf("empty file %v/%v", fh.f.dir.Path, fh.f.Name)
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return fmt.Errorf("empty file %v/%v", fh.f.dir.Path, fh.f.Name)
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@ -123,7 +135,7 @@ func (fh *FileHandle) Write(ctx context.Context, req *fuse.WriteRequest, resp *f
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// write the request to volume servers
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// write the request to volume servers
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glog.V(4).Infof("%+v/%v write fh: [%d,%d)", fh.f.dir.Path, fh.f.Name, req.Offset, req.Offset+int64(len(req.Data)))
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glog.V(4).Infof("%+v/%v write fh %d: [%d,%d)", fh.f.dir.Path, fh.f.Name, fh.handle, req.Offset, req.Offset+int64(len(req.Data)))
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chunks, err := fh.dirtyPages.AddPage(ctx, req.Offset, req.Data)
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chunks, err := fh.dirtyPages.AddPage(ctx, req.Offset, req.Data)
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if err != nil {
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if err != nil {
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@ -148,7 +160,9 @@ func (fh *FileHandle) Write(ctx context.Context, req *fuse.WriteRequest, resp *f
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func (fh *FileHandle) Release(ctx context.Context, req *fuse.ReleaseRequest) error {
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func (fh *FileHandle) Release(ctx context.Context, req *fuse.ReleaseRequest) error {
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glog.V(4).Infof("%+v/%v release fh", fh.f.dir.Path, fh.f.Name)
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glog.V(4).Infof("%v release fh %d", fh.f.fullpath(), fh.handle)
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fh.f.wfs.ReleaseHandle(fuse.HandleID(fh.handle))
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fh.f.isOpen = false
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fh.f.isOpen = false
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@ -160,7 +174,7 @@ func (fh *FileHandle) Release(ctx context.Context, req *fuse.ReleaseRequest) err
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func (fh *FileHandle) Flush(ctx context.Context, req *fuse.FlushRequest) error {
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func (fh *FileHandle) Flush(ctx context.Context, req *fuse.FlushRequest) error {
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// fflush works at fh level
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// fflush works at fh level
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// send the data to the OS
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// send the data to the OS
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glog.V(4).Infof("%s/%s fh flush %v", fh.f.dir.Path, fh.f.Name, req)
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glog.V(4).Infof("%s fh %d flush %v", fh.f.fullpath(), fh.handle, req)
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chunk, err := fh.dirtyPages.FlushToStorage(ctx)
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chunk, err := fh.dirtyPages.FlushToStorage(ctx)
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if err != nil {
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if err != nil {
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@ -6,6 +6,9 @@ import (
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
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"github.com/karlseguin/ccache"
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"github.com/karlseguin/ccache"
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"google.golang.org/grpc"
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"google.golang.org/grpc"
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"sync"
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"bazil.org/fuse"
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"github.com/chrislusf/seaweedfs/weed/glog"
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)
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)
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type WFS struct {
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type WFS struct {
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@ -14,6 +17,11 @@ type WFS struct {
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collection string
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collection string
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replication string
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replication string
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chunkSizeLimit int64
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chunkSizeLimit int64
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// contains all open handles
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handles []*FileHandle
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pathToHandleIndex map[string]int
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pathToHandleLock sync.Mutex
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}
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}
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func NewSeaweedFileSystem(filerGrpcAddress string, collection string, replication string, chunkSizeLimitMB int) *WFS {
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func NewSeaweedFileSystem(filerGrpcAddress string, collection string, replication string, chunkSizeLimitMB int) *WFS {
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@ -23,6 +31,7 @@ func NewSeaweedFileSystem(filerGrpcAddress string, collection string, replicatio
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collection: collection,
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collection: collection,
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replication: replication,
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replication: replication,
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chunkSizeLimit: int64(chunkSizeLimitMB) * 1024 * 1024,
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chunkSizeLimit: int64(chunkSizeLimitMB) * 1024 * 1024,
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pathToHandleIndex: make(map[string]int),
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}
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}
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}
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}
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@ -42,3 +51,60 @@ func (wfs *WFS) withFilerClient(fn func(filer_pb.SeaweedFilerClient) error) erro
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return fn(client)
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return fn(client)
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}
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}
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func (wfs *WFS) AcquireHandle(file *File, uid, gid uint32) (handle *FileHandle) {
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wfs.pathToHandleLock.Lock()
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defer wfs.pathToHandleLock.Unlock()
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fullpath := file.fullpath()
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index, found := wfs.pathToHandleIndex[fullpath]
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if found && wfs.handles[index] != nil {
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glog.V(4).Infoln(fullpath, "found handle id", index)
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return wfs.handles[index]
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}
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// create a new handler
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handle = &FileHandle{
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f: file,
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dirtyPages: newDirtyPages(file),
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Uid: uid,
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Gid: gid,
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}
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if found && wfs.handles[index] != nil {
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glog.V(4).Infoln(fullpath, "reuse previous handle id", index)
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wfs.handles[index] = handle
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handle.handle = uint64(index)
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return
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}
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for i, h := range wfs.handles {
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if h == nil {
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wfs.handles[i] = handle
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handle.handle = uint64(i)
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wfs.pathToHandleIndex[fullpath] = i
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glog.V(4).Infoln(fullpath, "reuse handle id", handle.handle)
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return
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}
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}
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wfs.handles = append(wfs.handles, handle)
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handle.handle = uint64(len(wfs.handles) - 1)
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println(fullpath, "new handle id", handle.handle)
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wfs.pathToHandleIndex[fullpath] = int(handle.handle)
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return
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}
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func (wfs *WFS) ReleaseHandle(handleId fuse.HandleID) {
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wfs.pathToHandleLock.Lock()
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defer wfs.pathToHandleLock.Unlock()
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glog.V(4).Infoln("releasing handle id", handleId, "current handles lengh", len(wfs.handles))
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if int(handleId) < len(wfs.handles) {
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wfs.handles[int(handleId)] = nil
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}
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return
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}
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