#! /bin/bash
if [ "$(id -u)" != 0 ]; then
  echo 'Error: Please run as root (sudo etc.)'
  exit -1
fi

INPUT_ARGS=${@//[–—]/-} # replace bizarre minuses with normal one
EXTRA_INPUT_ARGS=""

./trex-cfg $INPUT_ARGS
RESULT=$?
if [ $RESULT -eq 255 ]; then
  echo "ERROR encountered while configuring trex system"
  exit $RESULT
fi

if [ $RESULT -eq 32 ]; then
  EXTRA_INPUT_ARGS="--mlx5-so"
fi


pci_desc_re='^(\S+) - (.+)$'
source find_python.sh
while read line
do
    if [[ "$line" =~ $pci_desc_re ]]; then
        pci_name="pci$(echo ${BASH_REMATCH[1]} | tr ':' '_' | tr '.' '_')" # make alphanumeric name
        export $pci_name="${BASH_REMATCH[2]}"
    fi
done <<< "$($PYTHON dpdk_setup_ports.py --dump-pci-description)"

cd $(dirname $0)
export LD_LIBRARY_PATH=$PWD


function restore_tty {
    stty $saveterm
}

if [ -t 0 ] && [ -t 1 ]; then
    saveterm="$(stty -g)"
    trap restore_tty EXIT
fi

# if we have a new core run optimized trex 
if  grep -q avx /proc/cpuinfo ; then
    ./_$(basename $0) $INPUT_ARGS $EXTRA_INPUT_ARGS
    RESULT=$?
    if [ $RESULT -eq 132 ]; then
        echo " WARNING this program is optimized for the new Intel processors.  "
        echo " try the ./t-rex-64-o application that should work for any Intel processor but might be slower. "
        echo " try to run t-rex-64-o .. "
        ./_t-rex-64-o $INPUT_ARGS  $EXTRA_INPUT_ARGS
        RESULT=$?
    fi
else
        ./_t-rex-64-o $INPUT_ARGS $EXTRA_INPUT_ARGS
        RESULT=$?
fi

exit $RESULT