Method onMessage

example/echoServer.cc:44–51

可读写事件回调

    // 可读写事件回调
    void onMessage(const TcpConnectionPtr &conn, Buffer *buf, Timestamp time)
    {
        std::string msg = buf->retrieveAllAsString();
        LOG_INFO << conn->name() << " echo " << msg.size() << " bytes, "
                 << "data received at " << time.toFormattedString();
        conn->send(msg);
        // conn->shutdown();   // 关闭写端 底层响应EPOLLHUP => 执行closeCallback_
    }

    EventLoop *loop_;
    TcpServer server_;