2015-10-12 366 views
0

Boost的官方网站插座:: close()函数,见descriptionBoost.Asio的插座::关闭不扔的boost ::支持ASIO ::错误:: operation_aborted错误

“此功能会导致所有未完成的异步连接,发送和接收操作立即完成,并且取消操作的处理程序将传递boost :: asio :: error :: operation_aborted错误。“


但奇怪的是,当我打电话chat_session :: close()方法,插座:: close()方法传递ERROR_CONNECTION_ABORTED(1236)错误而不是升压:: ASIO ::错误:: operation_aborted(995)。

为什么会发生这种情况? 这是我的chat_session类。

class chat_session 
    : public boost::enable_shared_from_this<chat_session> 
{ 
public: 
    chat_session(boost::asio::io_service& io, chat_server* room) 
     : m_sock(io), m_room(room) 
    { 
    } 

    ~chat_session() 
    { 
    } 

    void start() 
    { 
     m_room.join(shared_from_this()); 

     m_sock.async_read_some(
      boost::asio::buffer(m_recv_data), 
      boost::bind(&chat_session::handle_read, shared_from_this(), 
      boost::asio::placeholders::error)); 
    } 

    void close() 
    { 
     // closing socket. chat_session::handle_read will receive 
     // boost::asio::error::operation_aborted error. 
     m_sock.close(); 
    } 

    boost::asio::ip::tcp::socket& socket() 
    { 
     return m_sock; 
    } 

    private: 
    void handle_read(const boost::system::error_code& error) 
    { 
     if (!error) 
     { 
      printf("RECV -> %s.\n", m_recv_data); 

      m_sock.async_read_some(
       boost::asio::buffer(m_recv_data), 
       boost::bind(&chat_session::handle_read, shared_from_this(), 
       boost::asio::placeholders::error)); 
     } 
     else 
     { 
      // when i call chat_session::close(), 
      // ERROR_CONNECTION_ABORTED (1236) error occurred 
      // instead of boost::asio::error::operation_aborted error over here 
      ... 
      m_room.leave(shared_from_this()); 
     } 
    } 

    boost::asio::ip::tcp::socket m_sock; 
    chat_room& m_room; 
    char m_recv_data[50]; 
}; 
+0

您是否关闭发送套接字或接收套接字?哪个套接字接收到connection_aborted代码?请分享一个SSCCE – sehe

回答

3

尝试调用插槽上关闭第一关闭它之前,随着增压basic_stream_socket ::关闭文档指定在备注here

Remarks

For portable behaviour with respect to graceful closure of a connected socket, call shutdown() before closing the socket.

试着像您贴心的功能如下:

m_sock.shutdown(boost::asio::ip::tcp::socket::shutdown_receive); 
m_sock.close(); 

如果要关闭发送和接收,请使用“shutdown_both”而不是“shutdown_receive”。

有趣的是,我已经看到这个错误发生在Windows上,但不是在使用没有关闭调用的实现时发生的Linux。