package filer import ( "bytes" "fmt" "os" "time" "github.com/golang/protobuf/proto" "github.com/chrislusf/seaweedfs/weed/pb/filer_pb" ) func (entry *Entry) EncodeAttributesAndChunks() ([]byte, error) { message := &filer_pb.Entry{ Attributes: EntryAttributeToPb(entry), Chunks: entry.Chunks, Extended: entry.Extended, } return proto.Marshal(message) } func (entry *Entry) DecodeAttributesAndChunks(blob []byte) error { message := &filer_pb.Entry{} if err := proto.UnmarshalMerge(blob, message); err != nil { return fmt.Errorf("decoding value blob for %s: %v", entry.FullPath, err) } entry.Attr = PbToEntryAttribute(message.Attributes) entry.Extended = message.Extended entry.Chunks = message.Chunks return nil } func EntryAttributeToPb(entry *Entry) *filer_pb.FuseAttributes { return &filer_pb.FuseAttributes{ Crtime: entry.Attr.Crtime.Unix(), Mtime: entry.Attr.Mtime.Unix(), FileMode: uint32(entry.Attr.Mode), Uid: entry.Uid, Gid: entry.Gid, Mime: entry.Mime, Collection: entry.Attr.Collection, Replication: entry.Attr.Replication, TtlSec: entry.Attr.TtlSec, UserName: entry.Attr.UserName, GroupName: entry.Attr.GroupNames, SymlinkTarget: entry.Attr.SymlinkTarget, Md5: entry.Attr.Md5, FileSize: entry.Attr.FileSize, } } func PbToEntryAttribute(attr *filer_pb.FuseAttributes) Attr { t := Attr{} t.Crtime = time.Unix(attr.Crtime, 0) t.Mtime = time.Unix(attr.Mtime, 0) t.Mode = os.FileMode(attr.FileMode) t.Uid = attr.Uid t.Gid = attr.Gid t.Mime = attr.Mime t.Collection = attr.Collection t.Replication = attr.Replication t.TtlSec = attr.TtlSec t.UserName = attr.UserName t.GroupNames = attr.GroupName t.SymlinkTarget = attr.SymlinkTarget t.Md5 = attr.Md5 t.FileSize = attr.FileSize return t } func EqualEntry(a, b *Entry) bool { if a == b { return true } if a == nil && b != nil || a != nil && b == nil { return false } if !proto.Equal(EntryAttributeToPb(a), EntryAttributeToPb(b)) { return false } if len(a.Chunks) != len(b.Chunks) { return false } if !eq(a.Extended, b.Extended) { return false } if !bytes.Equal(a.Md5, b.Md5) { return false } for i := 0; i < len(a.Chunks); i++ { if !proto.Equal(a.Chunks[i], b.Chunks[i]) { return false } } return true } func eq(a, b map[string][]byte) bool { if len(a) != len(b) { return false } for k, v := range a { if w, ok := b[k]; !ok || !bytes.Equal(v, w) { return false } } return true }