#!/bin/bash
source ../multi-host.conf

clean_up() {
  r=$(sudo killall ndnpingserver 2>&1)
  r=$(sudo killall ndnping 2>&1)
  r=$(sudo killall nfd 2>&1)
}

# A: Start NFD
workdir=$(pwd)
echo "Starting nfd on A..."
mkdir -p $workdir/logs; sudo nfd &> $workdir/logs/nfd.log &
sleep 1

# A: Start ndnpingserver
echo "Starting ndnpingserver on A..."
ndnpingserver -p5 /test/ndnping &> $workdir/logs/ndnpingserver.log &
serverpid=$!
sleep 1

# A: Run ndnping
echo "Running ndnping on A..."
ndnping -c5 /test/ndnping
exitcode=$?
sleep 1

# An exit code of zero indicates the number of received Data packets equals the number of sent Interests
if [[ $exitcode -ne 0 ]]; then
  echo "Received non-zero exit code from ndnping - actual: $exitcode"
  clean_up
  exit 1
fi

# Verify that ndnpingserver has exited
# ps -p returns 1 if no matching process is found
ps -p $serverpid > /dev/null
if [[ $? -ne 1 ]]; then
  echo "ndnpingserver did not exit"
  clean_up
  exit 2
fi

clean_up

nReceivedInterests=$(grep -c "interest received" $workdir/logs/ndnpingserver.log)
if [[ $nReceivedInterests -ne 5 ]]; then
  echo "ndnpingserver did not receive 5 Interests - actual: $nReceivedInterests"
  clean_up
  exit 3
fi