Method onConnection

examples/netty/echo/server.cc:42–48

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

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