104 lines
3.0 KiB
Bash
104 lines
3.0 KiB
Bash
|
#!/bin/bash
|
||
|
|
|
||
|
|
show_ip(){
|
||
|
|
local output=$1
|
||
|
|
ips=()
|
||
|
|
interfaces=()
|
||
|
|
echo $output
|
||
|
|
while read -r line; do
|
||
|
|
ip=$(echo "$line" | awk '{print $2}' | cut -d'/' -f1)
|
||
|
|
interface=$(echo "$line" | awk '{print $5}')
|
||
|
|
ips+=("$ip")
|
||
|
|
interfaces+=("$interface")
|
||
|
|
done <<< "$output"
|
||
|
|
for i in "${!ips[@]}"; do
|
||
|
|
echo "${ips[i]} ${interfaces[i]}"
|
||
|
|
done
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
ip_cmd='ip address show | grep 10.5'
|
||
|
|
sender_ip='10.5.1.1/24'
|
||
|
|
rec_ip='10.5.1.2/24'
|
||
|
|
rec_ip_no_code='10.5.1.2'
|
||
|
|
senders=()
|
||
|
|
recs=()
|
||
|
|
sender_eths=()
|
||
|
|
rec_eths=()
|
||
|
|
losses=()
|
||
|
|
|
||
|
|
sender_type="${1:-router}"
|
||
|
|
receiver_type="${2:-router}"
|
||
|
|
if [ "$sender_type" = "router" ]; then
|
||
|
|
sender_ub=4
|
||
|
|
else
|
||
|
|
sender_ub=3
|
||
|
|
fi
|
||
|
|
if [ "$receiver_type" = "router" ]; then
|
||
|
|
rec_ub=4
|
||
|
|
else
|
||
|
|
rec_ub=3
|
||
|
|
fi
|
||
|
|
for sender in $(seq 1 $sender_ub);
|
||
|
|
do
|
||
|
|
sender_eth_nums=$(ssh $sender_type$sender "ip address show" | grep -c '^.*eth[0-9]:')
|
||
|
|
sender_eth_nums=$(($sender_eth_nums-1))
|
||
|
|
echo "$sender_type$sender has $sender_eth_nums eths"
|
||
|
|
for sender_eth_num in $(seq 1 $sender_eth_nums);
|
||
|
|
do
|
||
|
|
# turn on the device
|
||
|
|
ssh $sender_type$sender "ip link set dev eth$sender_eth_num up"
|
||
|
|
ssh $sender_type$sender "ip address add $sender_ip dev eth$sender_eth_num"
|
||
|
|
# for receiver in {1..4}
|
||
|
|
for receiver in $(seq 1 $rec_ub);
|
||
|
|
do
|
||
|
|
receiver_eth_nums=$(ssh $receiver_type$receiver "ip address show" | grep -c '^.*eth[0-9]:')
|
||
|
|
receiver_eth_nums=$(($receiver_eth_nums-1))
|
||
|
|
echo "$receiver_type$receiver has $receiver_eth_nums eths"
|
||
|
|
if [ "$sender_type" = "$receiver_type" ]; then
|
||
|
|
if [ "$sender" -eq "$receiver" ]; then
|
||
|
|
continue
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
for receiver_eth_num in $(seq 1 $receiver_eth_nums);
|
||
|
|
do
|
||
|
|
ssh $receiver_type$receiver "ip link set dev eth$receiver_eth_num up"
|
||
|
|
ssh $receiver_type$receiver "ip address add $rec_ip dev eth$receiver_eth_num"
|
||
|
|
echo "sen $sender_type$sender eth$sender_eth_num ip $sender_ip"
|
||
|
|
echo "rec $receiver_type$receiver eth$receiver_eth_num ip $rec_ip"
|
||
|
|
ip_output=$(ssh $sender_type$sender $ip_cmd)
|
||
|
|
result=$(show_ip "$ip_output")
|
||
|
|
echo $result
|
||
|
|
|
||
|
|
# test loss
|
||
|
|
loss=$(ssh $sender_type$sender "ping -c 5 -W 2 -I eth$sender_eth_num $rec_ip_no_code | awk -F', ' '/packet loss/ {print \$3}' | awk '{print int(\$1)}'")
|
||
|
|
echo $loss
|
||
|
|
if [ "$loss" -ne 100 ]; then
|
||
|
|
senders+=("$sender")
|
||
|
|
recs+=("$receiver")
|
||
|
|
sender_eths+=("$sender_eth_num")
|
||
|
|
rec_eths+=("$receiver_eth_num")
|
||
|
|
losses+=("$loss")
|
||
|
|
fi
|
||
|
|
|
||
|
|
|
||
|
|
ssh $receiver_type$receiver "ip address del 10.5.1.2/24 dev eth$receiver_eth_num"
|
||
|
|
done
|
||
|
|
done
|
||
|
|
ssh $sender_type$sender "ip address del 10.5.1.1/24 dev eth$sender_eth_num"
|
||
|
|
done
|
||
|
|
done
|
||
|
|
|
||
|
|
echo "results"
|
||
|
|
|
||
|
|
printf "%-10s %-15s %-12s %-15s %-10s\n" "sender #" "sender eth #" "receiver #" "receiver eth #" "losses #"
|
||
|
|
for i in "${!senders[@]}"; do
|
||
|
|
printf "%-10s %-15s %-12s %-15s %-10s\n" "${senders[i]}" "${sender_eths[i]}" "${recs[i]}" "${rec_eths[i]}" "${losses[i]}"
|
||
|
|
done
|
||
|
|
|
||
|
|
# printf "sender #\t sender eth #\t receiver # \t receiver eth # \t losses # \t\n"
|
||
|
|
# for i in "${!senders[@]}"; do
|
||
|
|
# printf "%s\t%s\t%s\t%s\t%s\n" "${senders[i]}" "${sender_eths[i]}" "${recs[i]}" "${rec_eths[i]}" "${losses[i]}"
|
||
|
|
# done
|
||
|
|
|