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

Subject: Re: [boost] [asio] Received 3 times RST, ACK before the boost TCP returns connection failure
From: Gregory Dai (gregory.dai_at_[hidden])
Date: 2009-02-19 23:10:02

That might be the nature of TCP, itself?

On Wed, Feb 18, 2009 at 5:26 AM, allen han <allenhan2_at_[hidden]> wrote:

> 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?
>
>
>
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