You dont like the -batch option to tc? ;->
cheers,
jamal
On Mon, 2005-01-17 at 10:23, Thomas Graf wrote:
> While collecting performance numbers for the ematch changes
> I realized that the throughput of changes per second is
> almost only limited by the cost of starting the tc binary
> over and over. In order to improve this, batching of commands
> is required. My plan to do so is quite simple, introduce
> a new flag -f which puts tc into batched mode and makes
> it read commands from stdin. A bison based parser splits
> things into tokens, the grammer would be quite easy:
>
> INPUT ::= { /* empty */ | CMDS }
> CMDS ::= { CMD | CMD ';' CMDS }
> CMD ::= ARGS
> ARGS ::= { STRING | STRING ARGS }
>
> The lexical part can be made to ignore c-syle and
> shell-style comments, i.e.
>
> ---
> #!/sbin/tc -f
>
> /* some comments here */
> qdisc add ..
> class ...
>
> # shell like comments also possible
> filter add ... basic match ...
> ---
>
> Of course this loses ability to use shell features like
> variables and loops and it's probably not worth trying
> to emulate things. One can always generate these tc scripts
> with the help of other tools like m4, you name it.
>
> This could also be applied to ip of course.
>
> Thoughts?
>
>
|