package weed_server import ( "context" "fmt" "os" "path/filepath" "time" "github.com/chrislusf/seaweedfs/weed/filer2" "github.com/chrislusf/seaweedfs/weed/glog" "github.com/chrislusf/seaweedfs/weed/operation" "github.com/chrislusf/seaweedfs/weed/pb/filer_pb" ) func (fs *FilerServer) LookupDirectoryEntry(ctx context.Context, req *filer_pb.LookupDirectoryEntryRequest) (*filer_pb.LookupDirectoryEntryResponse, error) { entry, err := fs.filer.FindEntry(filer2.FullPath(filepath.Join(req.Directory, req.Name))) if err != nil { return nil, fmt.Errorf("%s not found under %s: %v", req.Name, req.Directory, err) } return &filer_pb.LookupDirectoryEntryResponse{ Entry: &filer_pb.Entry{ Name: req.Name, IsDirectory: entry.IsDirectory(), Chunks: entry.Chunks, }, }, nil } func (fs *FilerServer) ListEntries(ctx context.Context, req *filer_pb.ListEntriesRequest) (*filer_pb.ListEntriesResponse, error) { entries, err := fs.filer.ListDirectoryEntries(filer2.FullPath(req.Directory), "", false, 1000) if err != nil { return nil, err } resp := &filer_pb.ListEntriesResponse{} for _, entry := range entries { resp.Entries = append(resp.Entries, &filer_pb.Entry{ Name: entry.Name(), IsDirectory: entry.IsDirectory(), Chunks: entry.Chunks, Attributes: &filer_pb.FuseAttributes{ FileSize: entry.Size(), Mtime: entry.Mtime.Unix(), Crtime: entry.Crtime.Unix(), Gid: entry.Gid, Uid: entry.Uid, FileMode: uint32(entry.Mode), }, }) } return resp, nil } func (fs *FilerServer) GetEntryAttributes(ctx context.Context, req *filer_pb.GetEntryAttributesRequest) (*filer_pb.GetEntryAttributesResponse, error) { attributes := &filer_pb.FuseAttributes{} fullpath := filer2.NewFullPath(req.ParentDir, req.Name) entry, err := fs.filer.FindEntry(fullpath) if err != nil { attributes.FileSize = 0 return nil, fmt.Errorf("FindEntry %s: %v", fullpath, err) } attributes.FileSize = entry.Size() attributes.FileMode = uint32(entry.Mode) attributes.Uid = entry.Uid attributes.Gid = entry.Gid attributes.Mtime = entry.Mtime.Unix() attributes.Crtime = entry.Crtime.Unix() glog.V(3).Infof("GetEntryAttributes %v size %d chunks %d: %+v", fullpath, attributes.FileSize, len(entry.Chunks), attributes) return &filer_pb.GetEntryAttributesResponse{ Attributes: attributes, Chunks: entry.Chunks, }, nil } func (fs *FilerServer) LookupVolume(ctx context.Context, req *filer_pb.LookupVolumeRequest) (*filer_pb.LookupVolumeResponse, error) { lookupResult, err := operation.LookupVolumeIds(fs.getMasterNode(), req.VolumeIds) if err != nil { return nil, err } resp := &filer_pb.LookupVolumeResponse{ LocationsMap: make(map[string]*filer_pb.Locations), } for vid, locations := range lookupResult { var locs []*filer_pb.Location for _, loc := range locations.Locations { locs = append(locs, &filer_pb.Location{ Url: loc.Url, PublicUrl: loc.PublicUrl, }) } resp.LocationsMap[vid] = &filer_pb.Locations{ Locations: locs, } } return resp, nil } func (fs *FilerServer) CreateEntry(ctx context.Context, req *filer_pb.CreateEntryRequest) (resp *filer_pb.CreateEntryResponse, err error) { err = fs.filer.CreateEntry(&filer2.Entry{ FullPath: filer2.FullPath(filepath.Join(req.Directory, req.Entry.Name)), Attr: filer2.Attr{ Mtime: time.Unix(req.Entry.Attributes.Mtime, 0), Crtime: time.Unix(req.Entry.Attributes.Mtime, 0), Mode: os.FileMode(req.Entry.Attributes.FileMode), Uid: req.Entry.Attributes.Uid, Gid: req.Entry.Attributes.Gid, }, Chunks: req.Entry.Chunks, }) if err == nil { } return &filer_pb.CreateEntryResponse{}, err } func (fs *FilerServer) UpdateEntry(ctx context.Context, req *filer_pb.UpdateEntryRequest) (*filer_pb.UpdateEntryResponse, error) { fullpath := filepath.Join(req.Directory, req.Entry.Name) entry, err := fs.filer.FindEntry(filer2.FullPath(fullpath)) if err != nil { return &filer_pb.UpdateEntryResponse{}, fmt.Errorf("not found %s: %v", fullpath, err) } // remove old chunks if not included in the new ones unusedChunks := filer2.FindUnusedFileChunks(entry.Chunks, req.Entry.Chunks) chunks, garbages := filer2.CompactFileChunks(req.Entry.Chunks) newEntry := &filer2.Entry{ FullPath: filer2.FullPath(filepath.Join(req.Directory, req.Entry.Name)), Attr: entry.Attr, Chunks: chunks, } glog.V(3).Infof("updating %s: %+v, chunks %d: %v => %+v, chunks %d: %v", fullpath, entry.Attr, len(entry.Chunks), entry.Chunks, req.Entry.Attributes, len(req.Entry.Chunks), req.Entry.Chunks) if req.Entry.Attributes != nil { if req.Entry.Attributes.Mtime != 0 { newEntry.Attr.Mtime = time.Unix(req.Entry.Attributes.Mtime, 0) } if req.Entry.Attributes.FileMode != 0 { newEntry.Attr.Mode = os.FileMode(req.Entry.Attributes.FileMode) } newEntry.Attr.Uid = req.Entry.Attributes.Uid newEntry.Attr.Gid = req.Entry.Attributes.Gid } if err = fs.filer.UpdateEntry(newEntry); err == nil { for _, garbage := range unusedChunks { glog.V(0).Infof("deleting %s old chunk: %v, [%d, %d)", fullpath, garbage.FileId, garbage.Offset, garbage.Offset+int64(garbage.Size)) operation.DeleteFile(fs.master, garbage.FileId, fs.jwt(garbage.FileId)) } for _, garbage := range garbages { glog.V(0).Infof("deleting %s garbage chunk: %v, [%d, %d)", fullpath, garbage.FileId, garbage.Offset, garbage.Offset+int64(garbage.Size)) operation.DeleteFile(fs.master, garbage.FileId, fs.jwt(garbage.FileId)) } } return &filer_pb.UpdateEntryResponse{}, err } func (fs *FilerServer) DeleteEntry(ctx context.Context, req *filer_pb.DeleteEntryRequest) (resp *filer_pb.DeleteEntryResponse, err error) { entry, err := fs.filer.DeleteEntry(filer2.FullPath(filepath.Join(req.Directory, req.Name))) if err == nil { for _, chunk := range entry.Chunks { if err = operation.DeleteFile(fs.getMasterNode(), chunk.FileId, fs.jwt(chunk.FileId)); err != nil { glog.V(0).Infof("deleting file %s: %v", chunk.FileId, err) } } } return &filer_pb.DeleteEntryResponse{}, err } func (fs *FilerServer) AssignVolume(ctx context.Context, req *filer_pb.AssignVolumeRequest) (resp *filer_pb.AssignVolumeResponse, err error) { assignResult, err := operation.Assign(fs.master, &operation.VolumeAssignRequest{ Count: uint64(req.Count), Replication: req.Replication, Collection: req.Collection, }) if err != nil { return nil, fmt.Errorf("assign volume: %v", err) } if assignResult.Error != "" { return nil, fmt.Errorf("assign volume result: %v", assignResult.Error) } return &filer_pb.AssignVolumeResponse{ FileId: assignResult.Fid, Count: int32(assignResult.Count), Url: assignResult.Url, PublicUrl: assignResult.PublicUrl, }, err }