Re: [Netnice-kernels] Re: Netnice internals

[Takashi O. <ta...@cs...>]

doesn't your strategy on ksh (overriding of parsing output) work, here?
if we cannot easily modify ksh and bash, is it hard to port
FreeBSD/sh onto OpenBSD and Linux?

i personally prefer the "@xxxMbps" specification...


-- taka

Sho Fujita wrote:
> 
> >>>p.p.s. can you suggest/specify a shell program we need to modify for linux?
> >>>     bash? bsh? ksh?
> >>>
> >>Most Linux systems use bash as the shell.
> >
> >okay. fujita-kun, is bash an easy case? what do we need to do first?
> >any suggestion?
> >
> I have no idea about bash. But to implement @<bandwidth> expression, we
> have to modify the parser of bash. And It will be a difficult task.
> Then, I have a suggestion about the design of bandwidth configuration.
> How about using environment variables? A sample expression follows.
> > BW=10Mbps ftp example.com
> In this approach, we don't have to modify the parser. Moreover, if a
> shell which executes a netnice-enabled script doesn't indeed support
> netnice, It simply excutes the command without bandwidth limitation. We
> can reduce adverse effects of passing @<bandwidth> as a argument to the
> command.