#!/bin/bash
# daelstorm's tc script for dsl limiting
# props to Xero, who figured all this out and wrote the original script

DEV="ppp0" # "eth0" "eth1"
#dsl


case $1 in
start)
tc qdisc add dev $DEV root handle 1: htb
tc class add dev $DEV parent 1: classid 1:1 htb rate 80Kbit  # unlimited
tc class add dev $DEV parent 1:1 classid 1:10 htb rate 100Kbit
tc qdisc add dev $DEV parent 1:10 handle 10: sfq perturb 10

tc class add dev $DEV parent 1:1 classid 1:17 htb rate 10Kbit ceil 70Kbit # limited 1
tc qdisc add dev $DEV parent 1:17 handle 17: sfq perturb 10

tc class add dev $DEV parent 1:1 classid 1:555 htb rate 90Kbit # limited 2
tc qdisc add dev $DEV parent 1:555 handle 555: sfq perturb 10

tc class add dev $DEV parent 1:1 classid 1:666 htb rate 95Kbit # limited 3
tc qdisc add dev $DEV parent 1:666 handle 666: sfq perturb 10

# Soulseek
iptables -t mangle -A POSTROUTING -p tcp  --sport 2234:2259 -j CLASSIFY --set-class 1:17 
iptables -t mangle -A POSTROUTING -p tcp  --dport 2234:2259 -j CLASSIFY --set-class 1:17 


# Bittorrent
iptables -t mangle -A POSTROUTING -p tcp --sport 6885:6900 -j CLASSIFY --set-class 1:17

# FTP
iptables -t mangle -A POSTROUTING -p tcp --dport 20:21 -j CLASSIFY --set-class 1:666

;;
stop)
tc qdisc del dev $DEV root    2> /dev/null > /dev/null
iptables -F -t mangle
iptables -X -t mangle
;;
restart)
$0 stop
$0 start
;;
status)
echo "[iptables - $DEV]"
iptables -t mangle -L
echo "[qdisc - $DEV]"
tc -s qdisc show dev $DEV
echo "------------------------"
echo
echo "[class - $DEV]"
tc -s class show dev $DEV
;;
esac