Example #1
0
func (shd *shard) decodeSpan(sid common.SpanId, buf []byte) (*common.Span, error) {
	r := bytes.NewBuffer(buf)
	decoder := gob.NewDecoder(r)
	data := common.SpanData{}
	err := decoder.Decode(&data)
	if err != nil {
		return nil, err
	}
	// Gob encoding translates empty slices to nil.  Reverse this so that we're always dealing with
	// non-nil slices.
	if data.Parents == nil {
		data.Parents = []common.SpanId{}
	}
	return &common.Span{Id: common.SpanId(sid), SpanData: data}, nil
}
func (shd *shard) decodeSpan(sid common.SpanId, buf []byte) (*common.Span, error) {
	r := bytes.NewBuffer(buf)
	mh := new(codec.MsgpackHandle)
	mh.WriteExt = true
	decoder := codec.NewDecoder(r, mh)
	data := common.SpanData{}
	err := decoder.Decode(&data)
	if err != nil {
		return nil, err
	}
	if data.Parents == nil {
		data.Parents = []common.SpanId{}
	}
	return &common.Span{Id: common.SpanId(sid), SpanData: data}, nil
}