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