[LARTC] Plz comment on my ezshaper script

[LARTC] Plz comment on my ezshaper script

[sufcrusher]

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Hi

I finally had some time to clean up (read: completely re-write) the shaper
script I've been using for over a year now. I was hoping it would be useful
to others, but before I "release" it, I would like some comments from you
guys. Please let me know about any bugs, annoyances or ideas.

The script (ezshaper) is a "simple" bash script (although pretty large) with
very few extra dependencies (I'm planning on running it on a IPCop box
soon). Basically all it really needs are iptables and tc (htb version).

At the moment ezshaper is intended for simple situations like this:
LAN   <-----> Linux Firewall/router   <------>    Internet
But I believe it could be used in (or adapted to) other situations as well.

Ezshaper reads a simple config file (ezshaper.cfg) that contains the
definitions for the tc classes (with prio, rates and ceils) and the rules to
mark packets for each class. Ezshaper generates iptables and tc commands
from that. I believe I have made the syntax in the cfg file as easy as
possible, but you can also include more complex iptables options (matches
etc) for more advanced rules. There are some resctrictions I might fix some
day.

The ezshaper script itself can be run with several options (e.g.: -h for
help; -d for debugmode) and then a command (start, stop, status, ...). In
the "status" command I added a nice easy-to-read table showing all classes
and the most important statistics.

Any comments are welcome!

Thanks,
Jannes Faber

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