run.sh

#!/bin/bash

set -e

# We are using eth0 and eth1 as EmuFdNetDevices in ns3.
# Use promiscuous mode to allow ns3 to capture all packets.
ifconfig eth0 promisc
ifconfig eth1 promisc

# A packet arriving at eth0 destined to 10.100.0.0/16 could be routed directly to eth1,
# and a packet arriving at eth1 destined to 10.0.0.0/16 directly to eth0.
# This would allow packets to skip the ns3 simulator altogether.
# Drop those to make sure they actually take the path through ns3.
iptables -A FORWARD -i eth0 -o eth1 -j DROP
iptables -A FORWARD -i eth1 -o eth0 -j DROP
ip6tables -A FORWARD -i eth0 -o eth1 -j DROP
ip6tables -A FORWARD -i eth1 -o eth0 -j DROP

if [[ -n "$WAITFORSERVER" ]]; then
  wait-for-it-quic -t 10s $WAITFORSERVER
fi

echo "Using scenario:" $SCENARIO

# client
tcpdump -U -i eth0 port 443 or port 5001 or port 5002 or port 5003 -w /logs/trace_node_left.pcap &
# server
tcpdump -U -i eth1 port 443 or port 5001 or port 5002 or port 5003 -w /logs/trace_node_right.pcap &

eval ./scratch/"$SCENARIO &"

PID=`jobs -p`
trap "kill -SIGINT $PID" INT
trap "kill -SIGTERM $PID" TERM
trap "kill -SIGKILL $PID" KILL
wait