-----Messaggio originale-----
Da: Sam Duncan [mailto:sduncan / wetafx.co.nz] 
Inviato: gioved10 novembre 2011 20:19
A: ruby-talk ML
Oggetto: Re: How to kill an exist tcpserver or tcpsocket?

On 11/11/11 07:57, Duan, Jingjing wrote:
> Have you tried the 'at_exit' hook? You should be able to close existing
sockets in at_exit.
>
> -Jingjing
>
>
> -----Original Message-----
> From: Fengfeng Li [mailto:lifengfeng / huawei.com]
> Sent: Thursday, November 10, 2011 1:51 AM
> To: ruby-talk ML
> Subject: How to kill an exist tcpserver or tcpsocket?
>
> Hi everyone,
>
> IÃÎ using the following codes to create and close a tcpsocket on
> WindowsXP:
>
> def open
>    @tcp_server = TCPServer.new(@para[:host], @para[:port])
>    @ch = @tcp_server.accept
> end
> ...
> def close
>    @tcp_server.close
>    @ch.close
> end
>
> They are very simple. My problem is, if I don't close()(sometimes my 
> users terminate my programe anyway before close() is called), the 
> TcpServer will be LISTENING and the tcpSocket will be CLOSE_WAIT. If I all open() at this moment, ruby will raise Errno::EADDRINUSE.
> So, I want to rescue this Exception and handle it, is there a way to 
> kill existed tcpServer/tcpSocket?
> I searched for a long time, and only found apps like 
> killtcp.exe/aoi.exe, but they would be the last choice to me. Is there ome other way? Such as command line or ready-made methods?
>
> Thanks a lot.
>
>
> Regards,
> LiFengfeng
>
I'm not too familiar with the TCPServer class, but do you have access to the
underlying socket options? You probably want to set SO_REUSEADDR on it so it
can be recycled immediately.

Sam


 
 
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