#! /bin/sh

ECHO_N="/bin/echo -n"
use_coverage_binary=false

until [ -z "$1" ]
do
  case "$1" in
    --chutney-path)
      export CHUTNEY_PATH="$2"
      shift
    ;;
    --tor-path)
      export TOR_DIR="$2"
      shift
    ;;
    --flavor|--flavour|--network-flavor|--network-flavour)
      export NETWORK_FLAVOUR="$2"
      shift
    ;;
    --delay|--sleep|--bootstrap-time|--time)
      export BOOTSTRAP_TIME="$2"
      shift
    ;;
    # Environmental variables used by chutney verify performance tests
    # Send this many bytes per client connection (10 KBytes)
    --data|--data-bytes|--data-byte|--bytes|--byte)
      export CHUTNEY_DATA_BYTES="$2"
      shift
    ;;
    # Make this many connections per client (1)
    # Note: If you create 7 or more connections to a hidden service from
    # a single client, you'll likely get a verification failure due to
    # https://trac.torproject.org/projects/tor/ticket/15937
    --connections|--connection|--connection-count|--count)
      export CHUTNEY_CONNECTIONS="$2"
      shift
    ;;
    # Make each client connect to each HS (0)
    # 0 means a single client connects to each HS
    # 1 means every client connects to every HS
    --hs-multi-client|--hs-multi-clients|--hs-client|--hs-clients)
      export CHUTNEY_HS_MULTI_CLIENT="$2"
      shift
      ;;
    --coverage)
      use_coverage_binary=true
      ;;
    *)
      echo "Sorry, I don't know what to do with '$1'."
      exit 2
    ;;
  esac
  shift
done

TOR_DIR="${TOR_DIR:-$PWD}"
NETWORK_FLAVOUR=${NETWORK_FLAVOUR:-"bridges+hs"}
CHUTNEY_NETWORK=networks/$NETWORK_FLAVOUR
myname=$(basename $0)

[ -n "$CHUTNEY_PATH" ] || {
    echo "$myname: \$CHUTNEY_PATH not set, trying $TOR_DIR/../chutney"
    CHUTNEY_PATH="$TOR_DIR/../chutney"
}

[ -d "$CHUTNEY_PATH" ] && [ -x "$CHUTNEY_PATH/chutney" ] || {
    echo "$myname: missing 'chutney' in CHUTNEY_PATH ($CHUTNEY_PATH)"
    echo "$myname: Get chutney: git clone https://git.torproject.org/\
chutney.git"
    echo "$myname: Set \$CHUTNEY_PATH to a non-standard location: export CHUTNEY_PATH=\`pwd\`/chutney"
    exit 1
}

cd "$CHUTNEY_PATH"
# For picking up the right tor binaries.
tor_name=tor
tor_gencert_name=tor-gencert
if test "$use_coverage_binary" = true; then
  tor_name=tor-cov
fi
export CHUTNEY_TOR="${TOR_DIR}/src/or/${tor_name}"
export CHUTNEY_TOR_GENCERT="${TOR_DIR}/src/tools/${tor_gencert_name}"

./tools/bootstrap-network.sh $NETWORK_FLAVOUR || exit 2

# Sleep some, waiting for the network to bootstrap.
# TODO: Add chutney command 'bootstrap-status' and use that instead.
BOOTSTRAP_TIME=${BOOTSTRAP_TIME:-25}
$ECHO_N "$myname: sleeping for $BOOTSTRAP_TIME seconds"
n=$BOOTSTRAP_TIME; while [ $n -gt 0 ]; do
    sleep 1; n=$(expr $n - 1); $ECHO_N .
done; echo ""
./chutney verify $CHUTNEY_NETWORK
VERIFY_EXIT_STATUS=$?
# work around a bug/feature in make -j2 (or more)
# where make hangs if any child processes are still alive
./chutney stop $CHUTNEY_NETWORK
exit $VERIFY_EXIT_STATUS
