  CloseNotifyConnector(EventBase* evb, const SocketAddress& addr) {
    evb_ = evb;
    ssl_ = AsyncSSLSocket::newSocket(std::make_shared<SSLContext>(), evb_);
    ssl_->connect(this, addr);
  }
  CloseNotifyConnector(EventBase* evb, const SocketAddress& addr) {
    evb_ = evb;
    ssl_ = AsyncSSLSocket::newSocket(std::make_shared<SSLContext>(), evb_);
    ssl_->connect(this, addr);
  }