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| author | Chris Lu <chris.lu@gmail.com> | 2018-05-23 03:08:46 -0700 |
|---|---|---|
| committer | Chris Lu <chris.lu@gmail.com> | 2018-05-23 03:08:46 -0700 |
| commit | 536559f62dd937da7780e743cd7056e9682e2fb6 (patch) | |
| tree | 3df89147a278880dafc597144919070430d18b14 /weed/filesys/file.go | |
| parent | 1675243f29c5f37ca698b36b8bd4e74d5f1671f4 (diff) | |
| download | seaweedfs-536559f62dd937da7780e743cd7056e9682e2fb6.tar.xz seaweedfs-536559f62dd937da7780e743cd7056e9682e2fb6.zip | |
copy works, edit somehow still fails
Diffstat (limited to 'weed/filesys/file.go')
| -rw-r--r-- | weed/filesys/file.go | 206 |
1 files changed, 41 insertions, 165 deletions
diff --git a/weed/filesys/file.go b/weed/filesys/file.go index 9604d6fb0..55edaf515 100644 --- a/weed/filesys/file.go +++ b/weed/filesys/file.go @@ -11,20 +11,12 @@ import ( "path/filepath" "os" "time" - "bytes" - "github.com/chrislusf/seaweedfs/weed/operation" "github.com/chrislusf/seaweedfs/weed/filer2" ) var _ = fs.Node(&File{}) var _ = fs.NodeOpener(&File{}) var _ = fs.NodeFsyncer(&File{}) -var _ = fs.Handle(&File{}) -var _ = fs.HandleReadAller(&File{}) -// var _ = fs.HandleReader(&File{}) -var _ = fs.HandleFlusher(&File{}) -var _ = fs.HandleWriter(&File{}) -var _ = fs.HandleReleaser(&File{}) var _ = fs.NodeSetattrer(&File{}) type File struct { @@ -32,44 +24,42 @@ type File struct { Name string dir *Dir wfs *WFS - isOpened bool attributes *filer_pb.FuseAttributes } func (file *File) Attr(context context.Context, attr *fuse.Attr) error { - if !file.isOpened { - fullPath := filepath.Join(file.dir.Path, file.Name) - item := file.wfs.listDirectoryEntriesCache.Get(fullPath) - if item != nil { - entry := item.Value().(*filer_pb.Entry) - file.Chunks = entry.Chunks - file.attributes = entry.Attributes - glog.V(1).Infof("read cached file %v attributes", file.Name) - } else { - err := file.wfs.withFilerClient(func(client filer_pb.SeaweedFilerClient) error { + fullPath := filepath.Join(file.dir.Path, file.Name) + item := file.wfs.listDirectoryEntriesCache.Get(fullPath) + if item != nil { + entry := item.Value().(*filer_pb.Entry) + file.Chunks = entry.Chunks + file.attributes = entry.Attributes + glog.V(1).Infof("file attr read cached %v attributes", file.Name) + } else { + err := file.wfs.withFilerClient(func(client filer_pb.SeaweedFilerClient) error { + + request := &filer_pb.GetEntryAttributesRequest{ + Name: file.Name, + ParentDir: file.dir.Path, + } - request := &filer_pb.GetEntryAttributesRequest{ - Name: file.Name, - ParentDir: file.dir.Path, - } + resp, err := client.GetEntryAttributes(context, request) + if err != nil { + glog.V(0).Infof("file attr read file %v: %v", request, err) + return err + } - glog.V(1).Infof("read file: %v", request) - resp, err := client.GetEntryAttributes(context, request) - if err != nil { - glog.V(0).Infof("read file %v: %v", request, err) - return err - } + file.attributes = resp.Attributes + file.Chunks = resp.Chunks - file.attributes = resp.Attributes - file.Chunks = resp.Chunks + glog.V(1).Infof("file attr %v %+v: %d", fullPath, file.attributes, filer2.TotalSize(file.Chunks)) - return nil - }) + return nil + }) - if err != nil { - return err - } + if err != nil { + return err } } @@ -84,19 +74,29 @@ func (file *File) Attr(context context.Context, attr *fuse.Attr) error { } func (file *File) Open(ctx context.Context, req *fuse.OpenRequest, resp *fuse.OpenResponse) (fs.Handle, error) { + fullPath := filepath.Join(file.dir.Path, file.Name) - fmt.Printf("Open %v %+v\n", fullPath, req) - file.isOpened = true + glog.V(3).Infof("file open %v %+v", fullPath, req) - return file, nil + return &FileHandle{ + wfs: file.wfs, + dirPath: file.dir.Path, + name: file.Name, + RequestId: req.Header.ID, + NodeId: req.Header.Node, + Uid: req.Uid, + Gid: req.Gid, + attributes: file.attributes, + Chunks: file.Chunks, + }, nil } func (file *File) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *fuse.SetattrResponse) error { fullPath := filepath.Join(file.dir.Path, file.Name) - fmt.Printf("Setattr %v %+v\n", fullPath, req) + glog.V(3).Infof("file setattr %v %+v", fullPath, req) if req.Valid.Size() { if req.Size == 0 { @@ -125,134 +125,10 @@ func (file *File) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *f } -func (file *File) ReadAll(ctx context.Context) (content []byte, err error) { - - fmt.Printf("read all file %+v/%v\n", file.dir.Path, file.Name) - - if len(file.Chunks) == 0 { - glog.V(0).Infof("empty file %v/%v", file.dir.Path, file.Name) - return - } - - err = file.wfs.withFilerClient(func(client filer_pb.SeaweedFilerClient) error { - - // FIXME: need to either use Read() or implement differently - chunks, _ := filer2.CompactFileChunks(file.Chunks) - glog.V(1).Infof("read file %v/%v %d/%d chunks", file.dir.Path, file.Name, len(chunks), len(file.Chunks)) - request := &filer_pb.GetFileContentRequest{ - FileId: chunks[0].FileId, - } - - glog.V(1).Infof("read file content %d chunk %s [%d,%d): %v", len(chunks), - chunks[0].FileId, chunks[0].Offset, chunks[0].Offset+int64(chunks[0].Size), request) - resp, err := client.GetFileContent(ctx, request) - if err != nil { - return err - } - - content = resp.Content - - return nil - }) - - return content, err -} - func (file *File) Fsync(ctx context.Context, req *fuse.FsyncRequest) error { // fsync works at OS level // write the file chunks to the filer - fmt.Printf("flush file %+v\n", req) - - return nil -} - -func (file *File) Flush(ctx context.Context, req *fuse.FlushRequest) error { - // fflush works at file level - // send the data to the OS - glog.V(3).Infof("file flush %v", req) - - if len(file.Chunks) == 0 { - glog.V(2).Infof("%x file %s/%s flush skipping empty: %v", file, file.dir.Path, file.Name, req) - return nil - } - - err := file.wfs.withFilerClient(func(client filer_pb.SeaweedFilerClient) error { - - request := &filer_pb.UpdateEntryRequest{ - Directory: file.dir.Path, - Entry: &filer_pb.Entry{ - Name: file.Name, - Attributes: file.attributes, - Chunks: file.Chunks, - }, - } - - glog.V(1).Infof("%s/%s set chunks: %v", file.dir.Path, file.Name, len(file.Chunks)) - if _, err := client.UpdateEntry(ctx, request); err != nil { - return fmt.Errorf("update file: %v", err) - } - - return nil - }) - - return err -} - -func (file *File) Write(ctx context.Context, req *fuse.WriteRequest, resp *fuse.WriteResponse) error { - // write the request to volume servers - // fmt.Printf("write file %+v\n", req) - - var fileId, host string - - if err := file.wfs.withFilerClient(func(client filer_pb.SeaweedFilerClient) error { - - request := &filer_pb.AssignVolumeRequest{ - Count: 1, - Replication: "000", - Collection: "", - } - - glog.V(1).Infof("assign volume: %v", request) - resp, err := client.AssignVolume(ctx, request) - if err != nil { - return err - } - - fileId, host = resp.FileId, resp.Url - - return nil - }); err != nil { - return fmt.Errorf("filer assign volume: %v", err) - } - - fileUrl := fmt.Sprintf("http://%s/%s", host, fileId) - bufReader := bytes.NewReader(req.Data) - uploadResult, err := operation.Upload(fileUrl, file.Name, bufReader, false, "application/octet-stream", nil, "") - if err != nil { - return fmt.Errorf("upload data: %v", err) - } - if uploadResult.Error != "" { - return fmt.Errorf("upload result: %v", uploadResult.Error) - } - - resp.Size = int(uploadResult.Size) - - file.Chunks = append(file.Chunks, &filer_pb.FileChunk{ - FileId: fileId, - Offset: req.Offset, - Size: uint64(uploadResult.Size), - Mtime: time.Now().UnixNano(), - }) - - glog.V(1).Infof("uploaded %s/%s to: %v, [%d,%d)", file.dir.Path, file.Name, fileUrl, req.Offset, req.Offset+int64(resp.Size)) - - return nil -} - -func (file *File) Release(ctx context.Context, req *fuse.ReleaseRequest) error { - - fmt.Printf("release file %+v\n", req) - file.isOpened = false + glog.V(3).Infof("fsync file %+v\n", req) return nil } |
