Re: [lwip-users] Stack Cleaning

[Steven Woody]

On 21 April 2011 22:06, Kieran Mansley <address@hidden> wrote:
> On Thu, 2011-04-21 at 22:01 +0800, Steven Woody wrote:
>> By far, I've not seen that 'errf' callback will save the case where
>> the peer crashed and try to SYN again.
>
> In that case two things will happen:
>
> 1) Your application (if it's listening for new connections) will get the
> tcp_listen callback.

No, my app had became CONNECTED.  so, it will not get tcp_listen callback.

>
> 2) Your other connection, if you're using it to send data, or you're
> using TCP keep alives, or you have some application-level keep alive,
> will eventually time out.

Yes, but what the peer can do is resent a SYN again, and fail again.


>
> Kieran
>
>
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