#!/bin/bash
#
# Copyright (C) 2020 Nikos Mavrogiannopoulos
#
# This file is part of ocserv.
#
# ocserv is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at
# your option) any later version.
#
# ocserv is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

SERV="${SERV:-../src/ocserv}"
OCCTL="${OCCTL:-../src/occtl/occtl}"
srcdir=${srcdir:-.}
#we cannot use NO_NEED_ROOT here as occtl commands can only be issued by root
NEED_SOCKET_WRAPPER=1
PIDFILE=ocserv-pid.$$.tmp
OCCTL_SOCKET=./occtl-drain-$$.socket

. `dirname $0`/common.sh

eval "${GETPORT}"

echo "Testing server-drain-ms when sec-mod abruptively fails..."

function finish {
  set +e
  echo " * Cleaning up..."
  test -n "${CONFIG}" && rm -f "${CONFIG}" >/dev/null 2>&1
  test -n "${PID}" && kill "${PID}" >/dev/null 2>&1
}
trap finish EXIT

update_config test1.config
echo server-drain-ms=15000 >> ${CONFIG}
echo "occtl-socket-file = $OCCTL_SOCKET" >> ${CONFIG}
echo "use-occtl = true" >> ${CONFIG}

launch_simple_sr_server -d 3 -p ${PIDFILE} -f -c ${CONFIG} & PID=$!
wait_server $PID

echo "Connecting to obtain cookie... "
( echo "test" | LD_PRELOAD=libsocket_wrapper.so $OPENCONNECT -q $ADDRESS:$PORT -u test --servercert=d66b507ae074d03b02eafca40d35f87dd81049d3 --cookieonly ) ||
	fail $PID "Could not receive cookie from server"

if ! test -f ${PIDFILE};then
	fail $PID "Could not find pid file ${PIDFILE}"
fi


SPID=$(${OCCTL} -s ${OCCTL_SOCKET} show status|grep -i "Sec-mod PID"|cut -d ':' -f 2)
if test -z "${SPID}";then
	echo "Could not detect sec-mod PID"
	${OCCTL} -s ${OCCTL_SOCKET} show status
	exit 1
fi

echo "Killing sec-mod"
kill -15 ${SPID}

function wait_ocserv {
  local max_time=$1
  local time=0

  while [ ${time} -lt ${max_time} ]
  do
    sleep 5
    test -e ${OCCTL_SOCKET}
    if ! test $? = 0;then
      echo "ocserv is down"
      return 0
    fi
    let time+=5
  done

  #timeout
  echo "ocserv did not get offline after ${time} secs"
  kill -9 $(cat $PIDFILE)
  exit 1
}

wait_ocserv 30

exit 0