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Re: [PATCH] Many interfaces


From: Mark Burgess
Subject: Re: [PATCH] Many interfaces
Date: Fri, 4 Jul 2003 12:23:04 +0200 (MEST)

On  4 Jul, Armin Wolfermann wrote:
> Hi,
> 
> this is a rough patch to get cfengine 2.0.7p3 to run on a host with
> ~256 (virtual) network interfaces. This is common with webservers or
> vlan firewalls in an ISP environment.
> 
> Perhaps a --max-interfaces= option would be more appropiate.
> 
> diff -ur cfengine-2.0.7p3/src/cf.defs.h
> cfengine-2.0.7p3-virtif/src/cf.defs.h
> --- cfengine-2.0.7p3/src/cf.defs.h    Wed May  7 09:36:35 2003
> +++ cfengine-2.0.7p3-virtif/src/cf.defs.h     Fri Jun 20 17:05:22 2003
> @@ -237,7 +237,7 @@
>  
>  #define true  1
>  #define false 0
> -#define bufsize 4096
> +#define bufsize 32768

  What is the purpose of this? This is not a good thing to do for all
  buffers. It would be better to increase the size of a specific buffer
  that needs to be larger.



>  #define buffer_margin 32
>  #define maxvarsize 1024
>  #define maxlinksize 256
> diff -ur cfengine-2.0.7p3/src/nameinfo.c
> cfengine-2.0.7p3-virtif/src/nameinfo.c
> --- cfengine-2.0.7p3/src/nameinfo.c   Wed Apr 23 22:47:50 2003
> +++ cfengine-2.0.7p3-virtif/src/nameinfo.c    Fri Jun 20 15:50:04 2003
> @@ -268,7 +268,7 @@
>  void GetInterfaceInfo(void)
>  
>  { int fd,len,i,j;
> -  struct ifreq ifbuf[64],ifr, *ifp;
> +  struct ifreq ifbuf[300],ifr, *ifp;
>    struct ifconf list;
>    struct sockaddr_in *sin;
>    struct hostent *hp;
> 
> Regards,
> Armin Wolfermann
> 
> 
> _______________________________________________
> Help-cfengine mailing list
> address@hidden
> http://mail.gnu.org/mailman/listinfo/help-cfengine

-- 


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