advanced_test.sh

#!/bin/bash

if [ -z "$1" ]; then 
  echo "Not given the file to send"
  exit 1
fi 

FILENAME=$1
BASENAME=$(basename $FILENAME)
TEST_OUTPUT_FILES='unwanted_logs/advanced_tests'
BSN_PRE="${BASENAME%.*}"
BSN_EXT="${BASENAME##*.}"
GREEN='\033[0;32m'
NC='\033[0m'

# Create the logs directory 
mkdir ${TEST_OUTPUT_FILES}/ 2>/dev/null  

# cleanup d'un test précédent
rm -f ${TEST_OUTPUT_FILES}/adv_${BSN_PRE}_received_file.${BSN_EXT} \
      ${TEST_OUTPUT_FILES}/adv_valgrind_${BSN_PRE}_receiver.log \
      ${TEST_OUTPUT_FILES}/adv_valgrind_${BSN_PRE}_sender.log
touch ${TEST_OUTPUT_FILES}/adv_${BSN_PRE}_received_file.${BSN_EXT} \
      ${TEST_OUTPUT_FILES}/adv_valgrind_${BSN_PRE}_receiver.log \
      ${TEST_OUTPUT_FILES}/adv_valgrind_${BSN_PRE}_sender.log


# We first launch the link simulator 
./linksimulator/link_sim -p 65027 -P 65139 -l 70 -d 1500 -e 20 -c 10 -R &>${TEST_OUTPUT_FILES}/adv_${BSN_PRE}_link.log &
link_pid=$!

# On lance le receiver et capture sa sortie standard
valgrind --leak-check=full --log-file=${TEST_OUTPUT_FILES}/adv_${BSN_PRE}_valgrind_receiver.log \
              ./receiver ::1 65139 1> ${TEST_OUTPUT_FILES}/adv_${BSN_PRE}_received_file.${BSN_EXT} \
              2> ${TEST_OUTPUT_FILES}/adv_${BSN_PRE}_receiver.log & receiver_pid=$!

cleanup()
{
    kill -9 $receiver_pid
    kill -9 $link_pid
    exit 0
}
trap cleanup SIGINT  # Kill les process en arrière plan en cas de ^-C

# On démarre le transfert
if ! valgrind --leak-check=full --log-file=${TEST_OUTPUT_FILES}/adv_valgrind_${BSN_PRE}_receiver.log \
    ./sender -f ${FILENAME} ::1 65027 2> ${TEST_OUTPUT_FILES}/adv_${BSN_PRE}_sender.log ; then
  echo "Crash du sender!"
  cat ${TEST_OUTPUT_FILES}/adv_${BSN_PRE}_sender.log
  err=1  # On enregistre l'erreur
fi

sleep 5 # On attend 5 seconde que le receiver finisse

if kill -0 $receiver_pid &> /dev/null ; then
  echo "Le receiver ne s'est pas arreté à la fin du transfert!"
  kill -9 $receiver_pid
  err=1
else  # On teste la valeur de retour du receiver
  if ! wait $receiver_pid ; then
    echo "Crash du receiver!"
    cat ${TEST_OUTPUT_FILES}/adv_${BSN_PRE}_receiver.log
    err=1
  fi
fi

# Stop the link simulator
kill -9 $link_pid
wait $link_pid 2>/dev/null

# On vérifie que le transfert s'est bien déroulé
if [[ "$(md5sum ${FILENAME} | awk '{print $1}')" != "$(md5sum ${TEST_OUTPUT_FILES}/adv_${BSN_PRE}_received_file.${BSN_EXT} | awk '{print $1}')" ]]; then
  echo "Le transfert a corrompu le fichier!"
  echo "Diff binaire des deux fichiers: (attendu vs produit)"
  diff -C 9 <(od -Ax -t x1z ${FILENAME}) <(od -Ax -t x1z ${TEST_OUTPUT_FILES}/adv_${BSN_PRE}_received_file.${BSN_EXT})
  exit 1
else
  echo -e "${GREEN}The transfer has succeeded!${NC}"
  exit ${err:-0}  # En cas d'erreurs avant, on renvoie le code d'erreur
fi