New subject: [asio] Received 3 times RST, ACK before the boost TCP returns connection failure

18 Feb 2009

      Hi:
   Pretty new to use the boost library for networking and experienced a problem to use the TCP socket on client side.

1. using the call below to connect server:
    mSocket.async_connect(endpoint,boost::bind(&handleConnect, this, boost::asio::placeholders::error, ++aEndPointIterator));

2. found connection is failed, then close the socket
    void handleConnect(const boost::system::error_code &aErr, boost::asio::ip::tcp::resolver::iterator aEndPointIter)
    {
        if (!aErr)
        {
            ...   
        }
        else if (aEndPointIter != boost::asio::ip::tcp::resolver::iterator())
        {
            doClose();
            ...
        }
        else
        {
        ...
            doClose();
        }
    }

3. From Ethereal, found that SYN, RST/ACK have been sent 3 times before the connection is closed,
   Client sent Server SYN,
   Server sent Clinet RST, ACK
   Client sent Server SYN,
   Server sent Clinet RST, ACK   
   Client sent Server SYN,
   Server sent Clinet RST, ACK

Question:
Any flag to inform the boost TCP stack to return error if it receives the first RST,ACK?

[asio] Received 3 times RST, ACK before the boost TCP returns connection failure

allen han

Gregory Dai

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