Method onConnection

examples/netty/echo/client.cc:37–52

 private:
  void onConnection(const TcpConnectionPtr& conn)
  {
    LOG_TRACE << conn->localAddress().toIpPort() << " -> "
        << conn->peerAddress().toIpPort() << " is "
        << (conn->connected() ? "UP" : "DOWN");

    if (conn->connected())
    {
      conn->setTcpNoDelay(true);
      conn->send(message_);
    }
    else
    {
      loop_->quit();
    }
  }

  void onMessage(const TcpConnectionPtr& conn, Buffer* buf, Timestamp time)
  {