Re: [lwip-users] change port for web server

[vincent cui]

Thank you very much ... I know how to go on .

Vincent  

-----Original Message-----
From: address@hidden [mailto:address@hidden On Behalf Of Kieran Mansley
Sent: 2012年8月8日 16:53
To: Mailing list for lwIP users
Subject: Re: [lwip-users] change port for web server


On 8 Aug 2012, at 01:11, vincent cui wrote:

> How to know the socket is in TCP time-wait state ?

You can't.  Any socket that you have a file descriptor for is not in the time 
wait state.  If you find that you want to re-use a port on a new socket and 
can't because there is another socket in the time wait state you could consider 
using the SO_REUSEADDR socket option to allow you to re-use it immediately.

Kieran
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