func convertToMBuf(logger *logger.Logger, m *C.rmr_mbuf_t) *MBuf {
payloadArr := C.GoBytes(unsafe.Pointer(m.payload),C.int(m.len))
func convertToMBuf(logger *logger.Logger, m *C.rmr_mbuf_t) *MBuf {
payloadArr := C.GoBytes(unsafe.Pointer(m.payload),C.int(m.len))