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refactoring

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This commit is contained in:
Chris Lu 2018-05-25 00:57:25 -07:00
parent f8776ad5cd
commit 0a223838bd
4 changed files with 44 additions and 62 deletions
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10
weed/filer2/filer_structure.go
View file

@ -67,16 +67,6 @@ func (entry Entry) Timestamp() time.Time {
} }
} }
type AbstractFiler interface {
CreateEntry(*Entry) (error)
AppendFileChunk(FullPath, []*filer_pb.FileChunk) (err error)
FindEntry(FullPath) (found bool, fileEntry *Entry, err error)
DeleteEntry(FullPath) (fileEntry *Entry, err error)
ListDirectoryEntries(dirPath FullPath) ([]*Entry, error)
UpdateEntry(*Entry) (error)
}
var ErrNotFound = errors.New("filer: no entry is found in filer store") var ErrNotFound = errors.New("filer: no entry is found in filer store")
type FilerStore interface { type FilerStore interface {

18
weed/filesys/dir.go
View file

@ -23,7 +23,11 @@ type Dir struct {
} }
var _ = fs.Node(&Dir{}) var _ = fs.Node(&Dir{})
var _ = fs.NodeCreater(&Dir{})
var _ = fs.NodeMkdirer(&Dir{})
var _ = fs.NodeStringLookuper(&Dir{})
var _ = fs.HandleReadDirAller(&Dir{}) var _ = fs.HandleReadDirAller(&Dir{})
var _ = fs.NodeRemover(&Dir{})
func (dir *Dir) Attr(context context.Context, attr *fuse.Attr) error { func (dir *Dir) Attr(context context.Context, attr *fuse.Attr) error {
@ -117,15 +121,11 @@ func (dir *Dir) Create(ctx context.Context, req *fuse.CreateRequest,
file := dir.newFile(req.Name, nil) file := dir.newFile(req.Name, nil)
dir.NodeMap[req.Name] = file dir.NodeMap[req.Name] = file
return file, &FileHandle{ return file, &FileHandle{
wfs: file.wfs, f: file,
dirPath: file.dir.Path, RequestId: req.Header.ID,
name: file.Name, NodeId: req.Header.Node,
RequestId: req.Header.ID, Uid: req.Uid,
NodeId: req.Header.Node, Gid: req.Gid,
Uid: req.Uid,
Gid: req.Gid,
attributes: file.attributes,
Chunks: file.Chunks,
}, nil }, nil
} }

14
weed/filesys/file.go
View file

@ -78,15 +78,11 @@ func (file *File) Open(ctx context.Context, req *fuse.OpenRequest, resp *fuse.Op
glog.V(3).Infof("%v file open %+v", fullPath, req) glog.V(3).Infof("%v file open %+v", fullPath, req)
return &FileHandle{ return &FileHandle{
wfs: file.wfs, f: file,
dirPath: file.dir.Path, RequestId: req.Header.ID,
name: file.Name, NodeId: req.Header.Node,
RequestId: req.Header.ID, Uid: req.Uid,
NodeId: req.Header.Node, Gid: req.Gid,
Uid: req.Uid,
Gid: req.Gid,
attributes: file.attributes,
Chunks: file.Chunks,
}, nil }, nil
} }

64
weed/filesys/filehandle.go
View file

@ -24,15 +24,11 @@ type FileHandle struct {
handle uint64 handle uint64
wfs *WFS f *File
dirPath string RequestId fuse.RequestID // unique ID for request
name string NodeId fuse.NodeID // file or directory the request is about
RequestId fuse.RequestID // unique ID for request Uid uint32 // user ID of process making request
NodeId fuse.NodeID // file or directory the request is about Gid uint32 // group ID of process making request
Uid uint32 // user ID of process making request
Gid uint32 // group ID of process making request
attributes *filer_pb.FuseAttributes
Chunks []*filer_pb.FileChunk
} }
var _ = fs.Handle(&FileHandle{}) var _ = fs.Handle(&FileHandle{})
@ -44,16 +40,16 @@ var _ = fs.HandleReleaser(&FileHandle{})
func (fh *FileHandle) Read(ctx context.Context, req *fuse.ReadRequest, resp *fuse.ReadResponse) error { func (fh *FileHandle) Read(ctx context.Context, req *fuse.ReadRequest, resp *fuse.ReadResponse) error {
glog.V(3).Infof("%v/%v read fh: [%d,%d)", fh.dirPath, fh.name, req.Offset, req.Offset+int64(req.Size)) glog.V(3).Infof("%v/%v read fh: [%d,%d)", fh.f.dir.Path, fh.f.Name, req.Offset, req.Offset+int64(req.Size))
if len(fh.Chunks) == 0 { if len(fh.f.Chunks) == 0 {
glog.V(0).Infof("empty fh %v/%v", fh.dirPath, fh.name) glog.V(0).Infof("empty fh %v/%v", fh.f.dir.Path, fh.f.Name)
return fmt.Errorf("empty file %v/%v", fh.dirPath, fh.name) return fmt.Errorf("empty file %v/%v", fh.f.dir.Path, fh.f.Name)
} }
buff := make([]byte, req.Size) buff := make([]byte, req.Size)
chunkViews := filer2.ReadFromChunks(fh.Chunks, req.Offset, req.Size) chunkViews := filer2.ReadFromChunks(fh.f.Chunks, req.Offset, req.Size)
var vids []string var vids []string
for _, chunkView := range chunkViews { for _, chunkView := range chunkViews {
@ -62,7 +58,7 @@ func (fh *FileHandle) Read(ctx context.Context, req *fuse.ReadRequest, resp *fus
vid2Locations := make(map[string]*filer_pb.Locations) vid2Locations := make(map[string]*filer_pb.Locations)
err := fh.wfs.withFilerClient(func(client filer_pb.SeaweedFilerClient) error { err := fh.f.wfs.withFilerClient(func(client filer_pb.SeaweedFilerClient) error {
glog.V(4).Infof("read fh lookup volume id locations: %v", vids) glog.V(4).Infof("read fh lookup volume id locations: %v", vids)
resp, err := client.LookupVolume(ctx, &filer_pb.LookupVolumeRequest{ resp, err := client.LookupVolume(ctx, &filer_pb.LookupVolumeRequest{
@ -78,7 +74,7 @@ func (fh *FileHandle) Read(ctx context.Context, req *fuse.ReadRequest, resp *fus
}) })
if err != nil { if err != nil {
glog.V(3).Infof("%v/%v read fh lookup volume ids: %v", fh.dirPath, fh.name, err) glog.V(3).Infof("%v/%v read fh lookup volume ids: %v", fh.f.dir.Path, fh.f.Name, err)
return fmt.Errorf("failed to lookup volume ids %v: %v", vids, err) return fmt.Errorf("failed to lookup volume ids %v: %v", vids, err)
} }
@ -107,7 +103,7 @@ func (fh *FileHandle) Read(ctx context.Context, req *fuse.ReadRequest, resp *fus
if err != nil { if err != nil {
glog.V(0).Infof("%v/%v read http://%s/%v %v bytes: %v", fh.dirPath, fh.name, locations.Locations[0].Url, chunkView.FileId, n, err) glog.V(0).Infof("%v/%v read http://%s/%v %v bytes: %v", fh.f.dir.Path, fh.f.Name, locations.Locations[0].Url, chunkView.FileId, n, err)
err = fmt.Errorf("failed to read http://%s/%s: %v", err = fmt.Errorf("failed to read http://%s/%s: %v",
locations.Locations[0].Url, chunkView.FileId, err) locations.Locations[0].Url, chunkView.FileId, err)
@ -131,11 +127,11 @@ func (fh *FileHandle) Write(ctx context.Context, req *fuse.WriteRequest, resp *f
// write the request to volume servers // write the request to volume servers
glog.V(3).Infof("%+v/%v write fh: %+v", fh.dirPath, fh.name, req) glog.V(3).Infof("%+v/%v write fh: %+v", fh.f.dir.Path, fh.f.Name, req)
var fileId, host string var fileId, host string
if err := fh.wfs.withFilerClient(func(client filer_pb.SeaweedFilerClient) error { if err := fh.f.wfs.withFilerClient(func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.AssignVolumeRequest{ request := &filer_pb.AssignVolumeRequest{
Count: 1, Count: 1,
@ -158,7 +154,7 @@ func (fh *FileHandle) Write(ctx context.Context, req *fuse.WriteRequest, resp *f
fileUrl := fmt.Sprintf("http://%s/%s", host, fileId) fileUrl := fmt.Sprintf("http://%s/%s", host, fileId)
bufReader := bytes.NewReader(req.Data) bufReader := bytes.NewReader(req.Data)
uploadResult, err := operation.Upload(fileUrl, fh.name, bufReader, false, "application/octet-stream", nil, "") uploadResult, err := operation.Upload(fileUrl, fh.f.Name, bufReader, false, "application/octet-stream", nil, "")
if err != nil { if err != nil {
glog.V(0).Infof("upload data %v to %s: %v", req, fileUrl, err) glog.V(0).Infof("upload data %v to %s: %v", req, fileUrl, err)
return fmt.Errorf("upload data: %v", err) return fmt.Errorf("upload data: %v", err)
@ -170,14 +166,14 @@ func (fh *FileHandle) Write(ctx context.Context, req *fuse.WriteRequest, resp *f
resp.Size = int(uploadResult.Size) resp.Size = int(uploadResult.Size)
fh.Chunks = append(fh.Chunks, &filer_pb.FileChunk{ fh.f.Chunks = append(fh.f.Chunks, &filer_pb.FileChunk{
FileId: fileId, FileId: fileId,
Offset: req.Offset, Offset: req.Offset,
Size: uint64(uploadResult.Size), Size: uint64(uploadResult.Size),
Mtime: time.Now().UnixNano(), Mtime: time.Now().UnixNano(),
}) })
glog.V(1).Infof("uploaded %s/%s to: %v, [%d,%d)", fh.dirPath, fh.name, fileUrl, req.Offset, req.Offset+int64(resp.Size)) glog.V(1).Infof("uploaded %s/%s to: %v, [%d,%d)", fh.f.dir.Path, fh.f.Name, fileUrl, req.Offset, req.Offset+int64(resp.Size))
fh.dirty = true fh.dirty = true
@ -186,7 +182,7 @@ func (fh *FileHandle) Write(ctx context.Context, req *fuse.WriteRequest, resp *f
func (fh *FileHandle) Release(ctx context.Context, req *fuse.ReleaseRequest) error { func (fh *FileHandle) Release(ctx context.Context, req *fuse.ReleaseRequest) error {
glog.V(3).Infof("%+v/%v release fh", fh.dirPath, fh.name) glog.V(3).Infof("%+v/%v release fh", fh.f.dir.Path, fh.f.Name)
return nil return nil
} }
@ -196,31 +192,31 @@ func (fh *FileHandle) Release(ctx context.Context, req *fuse.ReleaseRequest) err
func (fh *FileHandle) Flush(ctx context.Context, req *fuse.FlushRequest) error { func (fh *FileHandle) Flush(ctx context.Context, req *fuse.FlushRequest) error {
// fflush works at fh level // fflush works at fh level
// send the data to the OS // send the data to the OS
glog.V(3).Infof("%s/%s fh flush %v", fh.dirPath, fh.name, req) glog.V(3).Infof("%s/%s fh flush %v", fh.f.dir.Path, fh.f.Name, req)
if !fh.dirty { if !fh.dirty {
return nil return nil
} }
if len(fh.Chunks) == 0 { if len(fh.f.Chunks) == 0 {
glog.V(2).Infof("fh %s/%s flush skipping empty: %v", fh.dirPath, fh.name, req) glog.V(2).Infof("fh %s/%s flush skipping empty: %v", fh.f.dir.Path, fh.f.Name, req)
return nil return nil
} }
err := fh.wfs.withFilerClient(func(client filer_pb.SeaweedFilerClient) error { err := fh.f.wfs.withFilerClient(func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.UpdateEntryRequest{ request := &filer_pb.UpdateEntryRequest{
Directory: fh.dirPath, Directory: fh.f.dir.Path,
Entry: &filer_pb.Entry{ Entry: &filer_pb.Entry{
Name: fh.name, Name: fh.f.Name,
Attributes: fh.attributes, Attributes: fh.f.attributes,
Chunks: fh.Chunks, Chunks: fh.f.Chunks,
}, },
} }
glog.V(1).Infof("%s/%s set chunks: %v", fh.dirPath, fh.name, len(fh.Chunks)) glog.V(1).Infof("%s/%s set chunks: %v", fh.f.dir.Path, fh.f.Name, len(fh.f.Chunks))
for i, chunk := range fh.Chunks { for i, chunk := range fh.f.Chunks {
glog.V(1).Infof("%s/%s chunks %d: %v [%d,%d)", fh.dirPath, fh.name, i, chunk.FileId, chunk.Offset, chunk.Offset+int64(chunk.Size)) glog.V(1).Infof("%s/%s chunks %d: %v [%d,%d)", fh.f.dir.Path, fh.f.Name, i, chunk.FileId, chunk.Offset, chunk.Offset+int64(chunk.Size))
} }
if _, err := client.UpdateEntry(ctx, request); err != nil { if _, err := client.UpdateEntry(ctx, request); err != nil {
return fmt.Errorf("update fh: %v", err) return fmt.Errorf("update fh: %v", err)