#!/bin/bash
set -e

RATE=400
BURST=$(($RATE / 8 * 10))

FIRST=1500

cat <<'EOF'
#!/bin/bash
set -e

sudo /sbin/tc qdisc del dev eth0 root || true
sudo /sbin/tc qdisc del dev eth1 root || true

sudo /sbin/tc qdisc add dev eth0 root handle 1: htb
sudo /sbin/tc qdisc add dev eth1 root handle 1: htb

EOF


for i in {1..20}; do
    host="LNMSGKF"$(($FIRST + $i))
    ip=$(nslookup $host.nhnjp.ism | grep Address: | tail -1 | cut -f 2 -d' ')
    cat <<EOF
# $host
sudo /sbin/tc class add dev eth0 parent 1: classid 1:$i htb rate ${RATE}Mbit ceil ${RATE}Mbit burst ${BURST}M
sudo /sbin/tc class add dev eth1 parent 1: classid 1:$i htb rate ${RATE}Mbit ceil ${RATE}Mbit burst ${BURST}M
sudo /sbin/tc filter add dev eth0 protocol ip parent 1:0 u32 match ip dst $ip flowid 1:$i
sudo /sbin/tc filter add dev eth1 protocol ip parent 1:0 u32 match ip dst $ip flowid 1:$i
EOF
done

cat <<'EOF'

sudo /sbin/tc -s -d qdisc show dev eth0
sudo /sbin/tc -s -d qdisc show dev eth1
EOF