#! /bin/sh -e

# ------------------------------------------------------------------------------
# Copyright (c) 2021, Arm Limited, All Rights Reserved
# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#          http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ------------------------------------------------------------------------------

# Parsec Service SysV init script

test -x /usr/libexec/parsec/parsec || exit 0

case "$1" in
  start)
    echo -n "Starting Parsec daemon: "
    if [ ! -f /etc/parsec/config.toml ]; then
        echo "There is no Parsec service configuration file."
    else
        if [ ! -d /run/parsec ]; then
            mkdir /run/parsec
            chown parsec:parsec /run/parsec
            chmod 755 /run/parsec
        fi
        # start-stop-daemon used in poky busybox doesn't support
        # '--chdir' parameter. So, let's do it manually
        cd /var/lib/parsec
        RUST_LOG=info start-stop-daemon --oknodo --start --background \
                --chuid parsec:parsec --exec /usr/libexec/parsec/parsec \
                -- --config /etc/parsec/config.toml
        echo "parsec."
    fi
    ;;
  stop)
    echo -n "Stopping Parsec daemon: "
    start-stop-daemon --oknodo --stop --exec /usr/libexec/parsec/parsec
    echo "parsec."
    ;;
  reload)
    echo -n "Reloading Parsec daemon: "
    start-stop-daemon --stop --signal SIGHUP --exec /usr/libexec/parsec/parsec
    echo "parsec."
    ;;
  restart|force-reload)
    $0 stop
    $0 start
    ;;
  *)
    echo "Usage: /etc/init.d/parsec {start|stop|restart|reload|force-reload}"
    exit 1
esac

exit 0