From: "Yugui (Yuki Sonoda)" <yugui@...>
Date: 2009-02-06T10:22:17+09:00
Subject: [ruby-core:21873] [FEATURE:trunk] Fw:adding support for linux SO_ATTACH_FILTER socket option

The following issue was reported to the redmine4ruby-lang project but it
seems to be about Ruby 1.9.

On 2/6/09 12:52 AM, Jean-Michel Esnault wrote:
> Bug #1114: adding support for linux SO_ATTACH_FILTER socket option
> http://redmine.ruby-lang.org/issues/show/1114
> 
> Reporter: Jean-Michel Esnault
> Status: Open, Priority: Normal
> 
> The actual Socket#setsockopt implementation cannot deal with the SO_ATTACH_FILTER socket option.
> The propose fix would allow one to use ruby to attach a linux filter to a datalink socket
> by passing the optval argument using an Array as followed:
> 
>     SO_ATTACH_FILTER = 26
>     filters = IO.popen("/usr/sbin/tcpdump -dd "tcp and net 10.0.0.0/16") do |pipe|
>       pipe.read.split("\n").collect { |ln| ln.scanf('{ %x, %d, %d, %x').pack('sCCL') }
>     end    
>    socket.setsockopt(Socket::SOL_SOCKET, SO_ATTACH_FILTER, [filters.join, filters.size])
> 
> 
> ----------------------------------------
> http://redmine.ruby-lang.org
> 


-- 
Yugui <yugui@yugui.jp>
http://yugui.jp