Method onUnknownMessage

examples/protobuf/codec/server.cc:51–57

  }

  void onUnknownMessage(const TcpConnectionPtr& conn,
                        const MessagePtr& message,
                        Timestamp)
  {
    LOG_INFO << "onUnknownMessage: " << message->GetTypeName();
    conn->shutdown();
  }

  void onQuery(const muduo::net::TcpConnectionPtr& conn,
               const QueryPtr& message,