package filer_pb import ( "context" "errors" "fmt" "strings" "github.com/chrislusf/seaweedfs/weed/glog" "github.com/chrislusf/seaweedfs/weed/storage/needle" ) func ToFileIdObject(fileIdStr string) (*FileId, error) { t, err := needle.ParseFileIdFromString(fileIdStr) if err != nil { return nil, err } return &FileId{ VolumeId: uint32(t.VolumeId), Cookie: uint32(t.Cookie), FileKey: uint64(t.Key), }, nil } func (fid *FileId) toFileIdString() string { return needle.NewFileId(needle.VolumeId(fid.VolumeId), fid.FileKey, fid.Cookie).String() } func (c *FileChunk) GetFileIdString() string { if c.FileId != "" { return c.FileId } if c.Fid != nil { c.FileId = c.Fid.toFileIdString() return c.FileId } return "" } func BeforeEntrySerialization(chunks []*FileChunk) { for _, chunk := range chunks { if chunk.FileId != "" { if fid, err := ToFileIdObject(chunk.FileId); err == nil { chunk.Fid = fid chunk.FileId = "" } } if chunk.SourceFileId != "" { if fid, err := ToFileIdObject(chunk.SourceFileId); err == nil { chunk.SourceFid = fid chunk.SourceFileId = "" } } } } func EnsureFid(chunk *FileChunk) { if chunk.Fid != nil { return } if fid, err := ToFileIdObject(chunk.FileId); err == nil { chunk.Fid = fid } } func AfterEntryDeserialization(chunks []*FileChunk) { for _, chunk := range chunks { if chunk.Fid != nil && chunk.FileId == "" { chunk.FileId = chunk.Fid.toFileIdString() } if chunk.SourceFid != nil && chunk.SourceFileId == "" { chunk.SourceFileId = chunk.SourceFid.toFileIdString() } } } func CreateEntry(client SeaweedFilerClient, request *CreateEntryRequest) error { resp, err := client.CreateEntry(context.Background(), request) if err != nil { glog.V(1).Infof("create entry %s/%s %v: %v", request.Directory, request.Entry.Name, request.OExcl, err) return fmt.Errorf("CreateEntry: %v", err) } if resp.Error != "" { glog.V(1).Infof("create entry %s/%s %v: %v", request.Directory, request.Entry.Name, request.OExcl, resp.Error) return fmt.Errorf("CreateEntry : %v", resp.Error) } return nil } func LookupEntry(client SeaweedFilerClient, request *LookupDirectoryEntryRequest) (*LookupDirectoryEntryResponse, error) { resp, err := client.LookupDirectoryEntry(context.Background(), request) if err != nil { if err == ErrNotFound || strings.Contains(err.Error(), ErrNotFound.Error()) { return nil, ErrNotFound } glog.V(3).Infof("read %s/%v: %v", request.Directory, request.Name, err) return nil, fmt.Errorf("LookupEntry1: %v", err) } if resp.Entry == nil { return nil, ErrNotFound } return resp, nil } var ErrNotFound = errors.New("filer: no entry is found in filer store")